Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 1 | |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 2 | /* Execute compiled code */ |
Guido van Rossum | 10dc2e8 | 1990-11-18 17:27:39 +0000 | [diff] [blame] | 3 | |
Guido van Rossum | 681d79a | 1995-07-18 14:51:37 +0000 | [diff] [blame] | 4 | /* XXX TO DO: |
Guido van Rossum | 681d79a | 1995-07-18 14:51:37 +0000 | [diff] [blame] | 5 | XXX speed up searching for keywords by using a dictionary |
Guido van Rossum | 681d79a | 1995-07-18 14:51:37 +0000 | [diff] [blame] | 6 | XXX document it! |
| 7 | */ |
| 8 | |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 9 | /* enable more aggressive intra-module optimizations, where available */ |
| 10 | #define PY_LOCAL_AGGRESSIVE |
| 11 | |
Guido van Rossum | b209a11 | 1997-04-29 18:18:01 +0000 | [diff] [blame] | 12 | #include "Python.h" |
Victor Stinner | e560f90 | 2020-04-14 18:30:41 +0200 | [diff] [blame] | 13 | #include "pycore_abstract.h" // _PyIndex_Check() |
Victor Stinner | 384621c | 2020-06-22 17:27:35 +0200 | [diff] [blame] | 14 | #include "pycore_call.h" // _PyObject_FastCallDictTstate() |
| 15 | #include "pycore_ceval.h" // _PyEval_SignalAsyncExc() |
| 16 | #include "pycore_code.h" // _PyCode_InitOpcache() |
| 17 | #include "pycore_initconfig.h" // _PyStatus_OK() |
| 18 | #include "pycore_object.h" // _PyObject_GC_TRACK() |
| 19 | #include "pycore_pyerrors.h" // _PyErr_Fetch() |
| 20 | #include "pycore_pylifecycle.h" // _PyErr_Print() |
Victor Stinner | e560f90 | 2020-04-14 18:30:41 +0200 | [diff] [blame] | 21 | #include "pycore_pymem.h" // _PyMem_IsPtrFreed() |
| 22 | #include "pycore_pystate.h" // _PyInterpreterState_GET() |
Victor Stinner | 384621c | 2020-06-22 17:27:35 +0200 | [diff] [blame] | 23 | #include "pycore_sysmodule.h" // _PySys_Audit() |
| 24 | #include "pycore_tuple.h" // _PyTuple_ITEMS() |
Guido van Rossum | 10dc2e8 | 1990-11-18 17:27:39 +0000 | [diff] [blame] | 25 | |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 26 | #include "code.h" |
Benjamin Peterson | 025e9eb | 2015-05-05 20:16:41 -0400 | [diff] [blame] | 27 | #include "dictobject.h" |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 28 | #include "frameobject.h" |
Guido van Rossum | 10dc2e8 | 1990-11-18 17:27:39 +0000 | [diff] [blame] | 29 | #include "opcode.h" |
Łukasz Langa | a785c87 | 2016-09-09 17:37:37 -0700 | [diff] [blame] | 30 | #include "pydtrace.h" |
Benjamin Peterson | 025e9eb | 2015-05-05 20:16:41 -0400 | [diff] [blame] | 31 | #include "setobject.h" |
Guido van Rossum | 5c5a938 | 2021-01-29 18:02:29 -0800 | [diff] [blame] | 32 | #include "structmember.h" // struct PyMemberDef, T_OFFSET_EX |
Guido van Rossum | 10dc2e8 | 1990-11-18 17:27:39 +0000 | [diff] [blame] | 33 | |
Guido van Rossum | c600411 | 1993-11-05 10:22:19 +0000 | [diff] [blame] | 34 | #include <ctype.h> |
| 35 | |
Guido van Rossum | 408027e | 1996-12-30 16:17:54 +0000 | [diff] [blame] | 36 | #ifdef Py_DEBUG |
Guido van Rossum | 96a42c8 | 1992-01-12 02:29:51 +0000 | [diff] [blame] | 37 | /* For debugging the interpreter: */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 38 | #define LLTRACE 1 /* Low-level trace feature */ |
| 39 | #define CHECKEXC 1 /* Double-check exception checking */ |
Guido van Rossum | 10dc2e8 | 1990-11-18 17:27:39 +0000 | [diff] [blame] | 40 | #endif |
| 41 | |
Victor Stinner | 5c75f37 | 2019-04-17 23:02:26 +0200 | [diff] [blame] | 42 | #if !defined(Py_BUILD_CORE) |
| 43 | # error "ceval.c must be build with Py_BUILD_CORE define for best performance" |
| 44 | #endif |
| 45 | |
Hai Shi | 46874c2 | 2020-01-30 17:20:25 -0600 | [diff] [blame] | 46 | _Py_IDENTIFIER(__name__); |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 47 | |
Guido van Rossum | 374a922 | 1991-04-04 10:40:29 +0000 | [diff] [blame] | 48 | /* Forward declarations */ |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 49 | Py_LOCAL_INLINE(PyObject *) call_function( |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 50 | PyThreadState *tstate, PyCodeAddressRange *, PyObject ***pp_stack, |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 51 | Py_ssize_t oparg, PyObject *kwnames); |
| 52 | static PyObject * do_call_core( |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 53 | PyThreadState *tstate, PyCodeAddressRange *, PyObject *func, |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 54 | PyObject *callargs, PyObject *kwdict); |
Jeremy Hylton | 5282044 | 2001-01-03 23:52:36 +0000 | [diff] [blame] | 55 | |
Guido van Rossum | 0a066c0 | 1992-03-27 17:29:15 +0000 | [diff] [blame] | 56 | #ifdef LLTRACE |
Guido van Rossum | c2e2074 | 2006-02-27 22:32:47 +0000 | [diff] [blame] | 57 | static int lltrace; |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 58 | static int prtrace(PyThreadState *, PyObject *, const char *); |
Guido van Rossum | 0a066c0 | 1992-03-27 17:29:15 +0000 | [diff] [blame] | 59 | #endif |
Victor Stinner | fdeb6ec | 2013-12-13 02:01:38 +0100 | [diff] [blame] | 60 | static int call_trace(Py_tracefunc, PyObject *, |
| 61 | PyThreadState *, PyFrameObject *, |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 62 | PyCodeAddressRange *, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 63 | int, PyObject *); |
Amaury Forgeot d'Arc | f05149a | 2007-11-13 01:05:30 +0000 | [diff] [blame] | 64 | static int call_trace_protected(Py_tracefunc, PyObject *, |
Victor Stinner | fdeb6ec | 2013-12-13 02:01:38 +0100 | [diff] [blame] | 65 | PyThreadState *, PyFrameObject *, |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 66 | PyCodeAddressRange *, |
Victor Stinner | fdeb6ec | 2013-12-13 02:01:38 +0100 | [diff] [blame] | 67 | int, PyObject *); |
| 68 | static void call_exc_trace(Py_tracefunc, PyObject *, |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 69 | PyThreadState *, PyFrameObject *, |
| 70 | PyCodeAddressRange *); |
Tim Peters | 8a5c3c7 | 2004-04-05 19:36:21 +0000 | [diff] [blame] | 71 | static int maybe_call_line_trace(Py_tracefunc, PyObject *, |
Eric Snow | 2ebc5ce | 2017-09-07 23:51:28 -0600 | [diff] [blame] | 72 | PyThreadState *, PyFrameObject *, |
Mark Shannon | 877df85 | 2020-11-12 09:43:29 +0000 | [diff] [blame] | 73 | PyCodeAddressRange *, int *); |
| 74 | static void maybe_dtrace_line(PyFrameObject *, PyCodeAddressRange *, int *); |
Łukasz Langa | a785c87 | 2016-09-09 17:37:37 -0700 | [diff] [blame] | 75 | static void dtrace_function_entry(PyFrameObject *); |
| 76 | static void dtrace_function_return(PyFrameObject *); |
Michael W. Hudson | dd32a91 | 2002-08-15 14:59:02 +0000 | [diff] [blame] | 77 | |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 78 | static PyObject * import_name(PyThreadState *, PyFrameObject *, |
| 79 | PyObject *, PyObject *, PyObject *); |
| 80 | static PyObject * import_from(PyThreadState *, PyObject *, PyObject *); |
| 81 | static int import_all_from(PyThreadState *, PyObject *, PyObject *); |
| 82 | static void format_exc_check_arg(PyThreadState *, PyObject *, const char *, PyObject *); |
| 83 | static void format_exc_unbound(PyThreadState *tstate, PyCodeObject *co, int oparg); |
| 84 | static PyObject * unicode_concatenate(PyThreadState *, PyObject *, PyObject *, |
Serhiy Storchaka | ab87400 | 2016-09-11 13:48:15 +0300 | [diff] [blame] | 85 | PyFrameObject *, const _Py_CODEUNIT *); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 86 | static PyObject * special_lookup(PyThreadState *, PyObject *, _Py_Identifier *); |
| 87 | static int check_args_iterable(PyThreadState *, PyObject *func, PyObject *vararg); |
| 88 | static void format_kwargs_error(PyThreadState *, PyObject *func, PyObject *kwargs); |
Mark Shannon | fee5526 | 2019-11-21 09:11:43 +0000 | [diff] [blame] | 89 | static void format_awaitable_error(PyThreadState *, PyTypeObject *, int, int); |
Guido van Rossum | 374a922 | 1991-04-04 10:40:29 +0000 | [diff] [blame] | 90 | |
Paul Prescod | e68140d | 2000-08-30 20:25:01 +0000 | [diff] [blame] | 91 | #define NAME_ERROR_MSG \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 92 | "name '%.200s' is not defined" |
Paul Prescod | e68140d | 2000-08-30 20:25:01 +0000 | [diff] [blame] | 93 | #define UNBOUNDLOCAL_ERROR_MSG \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 94 | "local variable '%.200s' referenced before assignment" |
Jeremy Hylton | c76770c | 2001-04-13 16:51:46 +0000 | [diff] [blame] | 95 | #define UNBOUNDFREE_ERROR_MSG \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 96 | "free variable '%.200s' referenced before assignment" \ |
| 97 | " in enclosing scope" |
Guido van Rossum | 374a922 | 1991-04-04 10:40:29 +0000 | [diff] [blame] | 98 | |
Guido van Rossum | 950361c | 1997-01-24 13:49:28 +0000 | [diff] [blame] | 99 | /* Dynamic execution profile */ |
| 100 | #ifdef DYNAMIC_EXECUTION_PROFILE |
| 101 | #ifdef DXPAIRS |
| 102 | static long dxpairs[257][256]; |
| 103 | #define dxp dxpairs[256] |
| 104 | #else |
| 105 | static long dxp[256]; |
| 106 | #endif |
| 107 | #endif |
| 108 | |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 109 | /* per opcode cache */ |
Inada Naoki | eddef86 | 2019-06-04 07:38:10 +0900 | [diff] [blame] | 110 | #ifdef Py_DEBUG |
| 111 | // --with-pydebug is used to find memory leak. opcache makes it harder. |
| 112 | // So we disable opcache when Py_DEBUG is defined. |
| 113 | // See bpo-37146 |
| 114 | #define OPCACHE_MIN_RUNS 0 /* disable opcache */ |
| 115 | #else |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 116 | #define OPCACHE_MIN_RUNS 1024 /* create opcache when code executed this time */ |
Inada Naoki | eddef86 | 2019-06-04 07:38:10 +0900 | [diff] [blame] | 117 | #endif |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 118 | #define OPCODE_CACHE_MAX_TRIES 20 |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 119 | #define OPCACHE_STATS 0 /* Enable stats */ |
| 120 | |
| 121 | #if OPCACHE_STATS |
| 122 | static size_t opcache_code_objects = 0; |
| 123 | static size_t opcache_code_objects_extra_mem = 0; |
| 124 | |
| 125 | static size_t opcache_global_opts = 0; |
| 126 | static size_t opcache_global_hits = 0; |
| 127 | static size_t opcache_global_misses = 0; |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 128 | |
| 129 | static size_t opcache_attr_opts = 0; |
| 130 | static size_t opcache_attr_hits = 0; |
| 131 | static size_t opcache_attr_misses = 0; |
| 132 | static size_t opcache_attr_deopts = 0; |
| 133 | static size_t opcache_attr_total = 0; |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 134 | #endif |
| 135 | |
Victor Stinner | 5a3a71d | 2020-03-19 17:40:12 +0100 | [diff] [blame] | 136 | |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 137 | #ifndef NDEBUG |
| 138 | /* Ensure that tstate is valid: sanity check for PyEval_AcquireThread() and |
| 139 | PyEval_RestoreThread(). Detect if tstate memory was freed. It can happen |
| 140 | when a thread continues to run after Python finalization, especially |
| 141 | daemon threads. */ |
| 142 | static int |
| 143 | is_tstate_valid(PyThreadState *tstate) |
| 144 | { |
| 145 | assert(!_PyMem_IsPtrFreed(tstate)); |
| 146 | assert(!_PyMem_IsPtrFreed(tstate->interp)); |
| 147 | return 1; |
| 148 | } |
| 149 | #endif |
| 150 | |
| 151 | |
Jeffrey Yasskin | 3937083 | 2010-05-03 19:29:34 +0000 | [diff] [blame] | 152 | /* This can set eval_breaker to 0 even though gil_drop_request became |
| 153 | 1. We believe this is all right because the eval loop will release |
| 154 | the GIL eventually anyway. */ |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 155 | static inline void |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 156 | COMPUTE_EVAL_BREAKER(PyInterpreterState *interp, |
Victor Stinner | 299b8c6 | 2020-05-05 17:40:18 +0200 | [diff] [blame] | 157 | struct _ceval_runtime_state *ceval, |
| 158 | struct _ceval_state *ceval2) |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 159 | { |
Victor Stinner | 299b8c6 | 2020-05-05 17:40:18 +0200 | [diff] [blame] | 160 | _Py_atomic_store_relaxed(&ceval2->eval_breaker, |
| 161 | _Py_atomic_load_relaxed(&ceval2->gil_drop_request) |
Victor Stinner | 0b1e330 | 2020-05-05 16:14:31 +0200 | [diff] [blame] | 162 | | (_Py_atomic_load_relaxed(&ceval->signals_pending) |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 163 | && _Py_ThreadCanHandleSignals(interp)) |
Victor Stinner | 299b8c6 | 2020-05-05 17:40:18 +0200 | [diff] [blame] | 164 | | (_Py_atomic_load_relaxed(&ceval2->pending.calls_to_do) |
Victor Stinner | d831688 | 2020-03-20 14:50:35 +0100 | [diff] [blame] | 165 | && _Py_ThreadCanHandlePendingCalls()) |
Victor Stinner | 299b8c6 | 2020-05-05 17:40:18 +0200 | [diff] [blame] | 166 | | ceval2->pending.async_exc); |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 167 | } |
Antoine Pitrou | 074e5ed | 2009-11-10 19:50:40 +0000 | [diff] [blame] | 168 | |
Antoine Pitrou | 074e5ed | 2009-11-10 19:50:40 +0000 | [diff] [blame] | 169 | |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 170 | static inline void |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 171 | SET_GIL_DROP_REQUEST(PyInterpreterState *interp) |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 172 | { |
Victor Stinner | 299b8c6 | 2020-05-05 17:40:18 +0200 | [diff] [blame] | 173 | struct _ceval_state *ceval2 = &interp->ceval; |
| 174 | _Py_atomic_store_relaxed(&ceval2->gil_drop_request, 1); |
| 175 | _Py_atomic_store_relaxed(&ceval2->eval_breaker, 1); |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 176 | } |
Antoine Pitrou | 074e5ed | 2009-11-10 19:50:40 +0000 | [diff] [blame] | 177 | |
Antoine Pitrou | 074e5ed | 2009-11-10 19:50:40 +0000 | [diff] [blame] | 178 | |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 179 | static inline void |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 180 | RESET_GIL_DROP_REQUEST(PyInterpreterState *interp) |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 181 | { |
Victor Stinner | 299b8c6 | 2020-05-05 17:40:18 +0200 | [diff] [blame] | 182 | struct _ceval_runtime_state *ceval = &interp->runtime->ceval; |
| 183 | struct _ceval_state *ceval2 = &interp->ceval; |
| 184 | _Py_atomic_store_relaxed(&ceval2->gil_drop_request, 0); |
| 185 | COMPUTE_EVAL_BREAKER(interp, ceval, ceval2); |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 186 | } |
Antoine Pitrou | 074e5ed | 2009-11-10 19:50:40 +0000 | [diff] [blame] | 187 | |
Eric Snow | fdf282d | 2019-01-11 14:26:55 -0700 | [diff] [blame] | 188 | |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 189 | static inline void |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 190 | SIGNAL_PENDING_CALLS(PyInterpreterState *interp) |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 191 | { |
Victor Stinner | 299b8c6 | 2020-05-05 17:40:18 +0200 | [diff] [blame] | 192 | struct _ceval_runtime_state *ceval = &interp->runtime->ceval; |
| 193 | struct _ceval_state *ceval2 = &interp->ceval; |
| 194 | _Py_atomic_store_relaxed(&ceval2->pending.calls_to_do, 1); |
| 195 | COMPUTE_EVAL_BREAKER(interp, ceval, ceval2); |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 196 | } |
Eric Snow | fdf282d | 2019-01-11 14:26:55 -0700 | [diff] [blame] | 197 | |
Antoine Pitrou | 074e5ed | 2009-11-10 19:50:40 +0000 | [diff] [blame] | 198 | |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 199 | static inline void |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 200 | UNSIGNAL_PENDING_CALLS(PyInterpreterState *interp) |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 201 | { |
Victor Stinner | 299b8c6 | 2020-05-05 17:40:18 +0200 | [diff] [blame] | 202 | struct _ceval_runtime_state *ceval = &interp->runtime->ceval; |
| 203 | struct _ceval_state *ceval2 = &interp->ceval; |
| 204 | _Py_atomic_store_relaxed(&ceval2->pending.calls_to_do, 0); |
| 205 | COMPUTE_EVAL_BREAKER(interp, ceval, ceval2); |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 206 | } |
| 207 | |
| 208 | |
| 209 | static inline void |
Victor Stinner | d96a7a8 | 2020-11-13 14:44:42 +0100 | [diff] [blame] | 210 | SIGNAL_PENDING_SIGNALS(PyInterpreterState *interp, int force) |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 211 | { |
Victor Stinner | 299b8c6 | 2020-05-05 17:40:18 +0200 | [diff] [blame] | 212 | struct _ceval_runtime_state *ceval = &interp->runtime->ceval; |
| 213 | struct _ceval_state *ceval2 = &interp->ceval; |
Victor Stinner | 0b1e330 | 2020-05-05 16:14:31 +0200 | [diff] [blame] | 214 | _Py_atomic_store_relaxed(&ceval->signals_pending, 1); |
Victor Stinner | d96a7a8 | 2020-11-13 14:44:42 +0100 | [diff] [blame] | 215 | if (force) { |
| 216 | _Py_atomic_store_relaxed(&ceval2->eval_breaker, 1); |
| 217 | } |
| 218 | else { |
| 219 | /* eval_breaker is not set to 1 if thread_can_handle_signals() is false */ |
| 220 | COMPUTE_EVAL_BREAKER(interp, ceval, ceval2); |
| 221 | } |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 222 | } |
| 223 | |
| 224 | |
| 225 | static inline void |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 226 | UNSIGNAL_PENDING_SIGNALS(PyInterpreterState *interp) |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 227 | { |
Victor Stinner | 299b8c6 | 2020-05-05 17:40:18 +0200 | [diff] [blame] | 228 | struct _ceval_runtime_state *ceval = &interp->runtime->ceval; |
| 229 | struct _ceval_state *ceval2 = &interp->ceval; |
Victor Stinner | 0b1e330 | 2020-05-05 16:14:31 +0200 | [diff] [blame] | 230 | _Py_atomic_store_relaxed(&ceval->signals_pending, 0); |
Victor Stinner | 299b8c6 | 2020-05-05 17:40:18 +0200 | [diff] [blame] | 231 | COMPUTE_EVAL_BREAKER(interp, ceval, ceval2); |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 232 | } |
| 233 | |
| 234 | |
| 235 | static inline void |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 236 | SIGNAL_ASYNC_EXC(PyInterpreterState *interp) |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 237 | { |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 238 | struct _ceval_state *ceval2 = &interp->ceval; |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 239 | ceval2->pending.async_exc = 1; |
| 240 | _Py_atomic_store_relaxed(&ceval2->eval_breaker, 1); |
| 241 | } |
| 242 | |
| 243 | |
| 244 | static inline void |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 245 | UNSIGNAL_ASYNC_EXC(PyInterpreterState *interp) |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 246 | { |
Victor Stinner | 299b8c6 | 2020-05-05 17:40:18 +0200 | [diff] [blame] | 247 | struct _ceval_runtime_state *ceval = &interp->runtime->ceval; |
| 248 | struct _ceval_state *ceval2 = &interp->ceval; |
| 249 | ceval2->pending.async_exc = 0; |
| 250 | COMPUTE_EVAL_BREAKER(interp, ceval, ceval2); |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 251 | } |
Antoine Pitrou | 074e5ed | 2009-11-10 19:50:40 +0000 | [diff] [blame] | 252 | |
| 253 | |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 254 | #ifdef HAVE_ERRNO_H |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 255 | #include <errno.h> |
Guido van Rossum | 2571cc8 | 1999-04-07 16:07:23 +0000 | [diff] [blame] | 256 | #endif |
Antoine Pitrou | 074e5ed | 2009-11-10 19:50:40 +0000 | [diff] [blame] | 257 | #include "ceval_gil.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 258 | |
Victor Stinner | 3026cad | 2020-06-01 16:02:40 +0200 | [diff] [blame] | 259 | void _Py_NO_RETURN |
| 260 | _Py_FatalError_TstateNULL(const char *func) |
Victor Stinner | eb4e2ae | 2020-03-08 11:57:45 +0100 | [diff] [blame] | 261 | { |
Victor Stinner | 3026cad | 2020-06-01 16:02:40 +0200 | [diff] [blame] | 262 | _Py_FatalErrorFunc(func, |
| 263 | "the function must be called with the GIL held, " |
| 264 | "but the GIL is released " |
| 265 | "(the current Python thread state is NULL)"); |
Victor Stinner | eb4e2ae | 2020-03-08 11:57:45 +0100 | [diff] [blame] | 266 | } |
| 267 | |
Victor Stinner | 7be4e35 | 2020-05-05 20:27:47 +0200 | [diff] [blame] | 268 | #ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS |
| 269 | int |
| 270 | _PyEval_ThreadsInitialized(PyInterpreterState *interp) |
| 271 | { |
| 272 | return gil_created(&interp->ceval.gil); |
| 273 | } |
| 274 | |
| 275 | int |
| 276 | PyEval_ThreadsInitialized(void) |
| 277 | { |
| 278 | // Fatal error if there is no current interpreter |
| 279 | PyInterpreterState *interp = PyInterpreterState_Get(); |
| 280 | return _PyEval_ThreadsInitialized(interp); |
| 281 | } |
| 282 | #else |
Tim Peters | 7f468f2 | 2004-10-11 02:40:51 +0000 | [diff] [blame] | 283 | int |
Victor Stinner | 175a704 | 2020-03-10 00:37:48 +0100 | [diff] [blame] | 284 | _PyEval_ThreadsInitialized(_PyRuntimeState *runtime) |
| 285 | { |
| 286 | return gil_created(&runtime->ceval.gil); |
| 287 | } |
| 288 | |
| 289 | int |
Tim Peters | 7f468f2 | 2004-10-11 02:40:51 +0000 | [diff] [blame] | 290 | PyEval_ThreadsInitialized(void) |
| 291 | { |
Victor Stinner | 01b1cc1 | 2019-11-20 02:27:56 +0100 | [diff] [blame] | 292 | _PyRuntimeState *runtime = &_PyRuntime; |
Victor Stinner | 175a704 | 2020-03-10 00:37:48 +0100 | [diff] [blame] | 293 | return _PyEval_ThreadsInitialized(runtime); |
Tim Peters | 7f468f2 | 2004-10-11 02:40:51 +0000 | [diff] [blame] | 294 | } |
Victor Stinner | 7be4e35 | 2020-05-05 20:27:47 +0200 | [diff] [blame] | 295 | #endif |
Tim Peters | 7f468f2 | 2004-10-11 02:40:51 +0000 | [diff] [blame] | 296 | |
Victor Stinner | 111e4ee | 2020-03-09 21:24:14 +0100 | [diff] [blame] | 297 | PyStatus |
Victor Stinner | dda5d6e | 2020-04-08 17:54:59 +0200 | [diff] [blame] | 298 | _PyEval_InitGIL(PyThreadState *tstate) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 299 | { |
Victor Stinner | 7be4e35 | 2020-05-05 20:27:47 +0200 | [diff] [blame] | 300 | #ifndef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS |
Victor Stinner | dda5d6e | 2020-04-08 17:54:59 +0200 | [diff] [blame] | 301 | if (!_Py_IsMainInterpreter(tstate)) { |
| 302 | /* Currently, the GIL is shared by all interpreters, |
| 303 | and only the main interpreter is responsible to create |
| 304 | and destroy it. */ |
| 305 | return _PyStatus_OK(); |
Victor Stinner | 111e4ee | 2020-03-09 21:24:14 +0100 | [diff] [blame] | 306 | } |
Victor Stinner | 7be4e35 | 2020-05-05 20:27:47 +0200 | [diff] [blame] | 307 | #endif |
Victor Stinner | 111e4ee | 2020-03-09 21:24:14 +0100 | [diff] [blame] | 308 | |
Victor Stinner | 7be4e35 | 2020-05-05 20:27:47 +0200 | [diff] [blame] | 309 | #ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS |
| 310 | struct _gil_runtime_state *gil = &tstate->interp->ceval.gil; |
| 311 | #else |
Victor Stinner | dda5d6e | 2020-04-08 17:54:59 +0200 | [diff] [blame] | 312 | struct _gil_runtime_state *gil = &tstate->interp->runtime->ceval.gil; |
Victor Stinner | 7be4e35 | 2020-05-05 20:27:47 +0200 | [diff] [blame] | 313 | #endif |
Victor Stinner | dda5d6e | 2020-04-08 17:54:59 +0200 | [diff] [blame] | 314 | assert(!gil_created(gil)); |
Victor Stinner | 85f5a69 | 2020-03-09 22:12:04 +0100 | [diff] [blame] | 315 | |
Victor Stinner | dda5d6e | 2020-04-08 17:54:59 +0200 | [diff] [blame] | 316 | PyThread_init_thread(); |
| 317 | create_gil(gil); |
| 318 | |
| 319 | take_gil(tstate); |
| 320 | |
| 321 | assert(gil_created(gil)); |
Victor Stinner | 111e4ee | 2020-03-09 21:24:14 +0100 | [diff] [blame] | 322 | return _PyStatus_OK(); |
| 323 | } |
| 324 | |
| 325 | void |
Victor Stinner | dda5d6e | 2020-04-08 17:54:59 +0200 | [diff] [blame] | 326 | _PyEval_FiniGIL(PyThreadState *tstate) |
| 327 | { |
Victor Stinner | 7be4e35 | 2020-05-05 20:27:47 +0200 | [diff] [blame] | 328 | #ifndef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS |
Victor Stinner | dda5d6e | 2020-04-08 17:54:59 +0200 | [diff] [blame] | 329 | if (!_Py_IsMainInterpreter(tstate)) { |
| 330 | /* Currently, the GIL is shared by all interpreters, |
| 331 | and only the main interpreter is responsible to create |
| 332 | and destroy it. */ |
| 333 | return; |
| 334 | } |
Victor Stinner | 7be4e35 | 2020-05-05 20:27:47 +0200 | [diff] [blame] | 335 | #endif |
Victor Stinner | dda5d6e | 2020-04-08 17:54:59 +0200 | [diff] [blame] | 336 | |
Victor Stinner | 7be4e35 | 2020-05-05 20:27:47 +0200 | [diff] [blame] | 337 | #ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS |
| 338 | struct _gil_runtime_state *gil = &tstate->interp->ceval.gil; |
| 339 | #else |
Victor Stinner | dda5d6e | 2020-04-08 17:54:59 +0200 | [diff] [blame] | 340 | struct _gil_runtime_state *gil = &tstate->interp->runtime->ceval.gil; |
Victor Stinner | 7be4e35 | 2020-05-05 20:27:47 +0200 | [diff] [blame] | 341 | #endif |
Victor Stinner | dda5d6e | 2020-04-08 17:54:59 +0200 | [diff] [blame] | 342 | if (!gil_created(gil)) { |
| 343 | /* First Py_InitializeFromConfig() call: the GIL doesn't exist |
| 344 | yet: do nothing. */ |
| 345 | return; |
| 346 | } |
| 347 | |
| 348 | destroy_gil(gil); |
| 349 | assert(!gil_created(gil)); |
| 350 | } |
| 351 | |
| 352 | void |
Victor Stinner | 111e4ee | 2020-03-09 21:24:14 +0100 | [diff] [blame] | 353 | PyEval_InitThreads(void) |
| 354 | { |
Victor Stinner | b4698ec | 2020-03-10 01:28:54 +0100 | [diff] [blame] | 355 | /* Do nothing: kept for backward compatibility */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 356 | } |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 357 | |
Guido van Rossum | 9cc8a20 | 1997-07-19 19:55:50 +0000 | [diff] [blame] | 358 | void |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 359 | _PyEval_Fini(void) |
| 360 | { |
| 361 | #if OPCACHE_STATS |
| 362 | fprintf(stderr, "-- Opcode cache number of objects = %zd\n", |
| 363 | opcache_code_objects); |
| 364 | |
| 365 | fprintf(stderr, "-- Opcode cache total extra mem = %zd\n", |
| 366 | opcache_code_objects_extra_mem); |
| 367 | |
| 368 | fprintf(stderr, "\n"); |
| 369 | |
| 370 | fprintf(stderr, "-- Opcode cache LOAD_GLOBAL hits = %zd (%d%%)\n", |
| 371 | opcache_global_hits, |
| 372 | (int) (100.0 * opcache_global_hits / |
| 373 | (opcache_global_hits + opcache_global_misses))); |
| 374 | |
| 375 | fprintf(stderr, "-- Opcode cache LOAD_GLOBAL misses = %zd (%d%%)\n", |
| 376 | opcache_global_misses, |
| 377 | (int) (100.0 * opcache_global_misses / |
| 378 | (opcache_global_hits + opcache_global_misses))); |
| 379 | |
| 380 | fprintf(stderr, "-- Opcode cache LOAD_GLOBAL opts = %zd\n", |
| 381 | opcache_global_opts); |
| 382 | |
| 383 | fprintf(stderr, "\n"); |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 384 | |
| 385 | fprintf(stderr, "-- Opcode cache LOAD_ATTR hits = %zd (%d%%)\n", |
| 386 | opcache_attr_hits, |
| 387 | (int) (100.0 * opcache_attr_hits / |
| 388 | opcache_attr_total)); |
| 389 | |
| 390 | fprintf(stderr, "-- Opcode cache LOAD_ATTR misses = %zd (%d%%)\n", |
| 391 | opcache_attr_misses, |
| 392 | (int) (100.0 * opcache_attr_misses / |
| 393 | opcache_attr_total)); |
| 394 | |
| 395 | fprintf(stderr, "-- Opcode cache LOAD_ATTR opts = %zd\n", |
| 396 | opcache_attr_opts); |
| 397 | |
| 398 | fprintf(stderr, "-- Opcode cache LOAD_ATTR deopts = %zd\n", |
| 399 | opcache_attr_deopts); |
| 400 | |
| 401 | fprintf(stderr, "-- Opcode cache LOAD_ATTR total = %zd\n", |
| 402 | opcache_attr_total); |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 403 | #endif |
| 404 | } |
| 405 | |
| 406 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 407 | PyEval_AcquireLock(void) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 408 | { |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 409 | _PyRuntimeState *runtime = &_PyRuntime; |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 410 | PyThreadState *tstate = _PyRuntimeState_GetThreadState(runtime); |
Victor Stinner | 3026cad | 2020-06-01 16:02:40 +0200 | [diff] [blame] | 411 | _Py_EnsureTstateNotNULL(tstate); |
Victor Stinner | eb4e2ae | 2020-03-08 11:57:45 +0100 | [diff] [blame] | 412 | |
Victor Stinner | 85f5a69 | 2020-03-09 22:12:04 +0100 | [diff] [blame] | 413 | take_gil(tstate); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 414 | } |
| 415 | |
| 416 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 417 | PyEval_ReleaseLock(void) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 418 | { |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 419 | _PyRuntimeState *runtime = &_PyRuntime; |
Victor Stinner | e225beb | 2019-06-03 18:14:24 +0200 | [diff] [blame] | 420 | PyThreadState *tstate = _PyRuntimeState_GetThreadState(runtime); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 421 | /* This function must succeed when the current thread state is NULL. |
Victor Stinner | 50b4857 | 2018-11-01 01:51:40 +0100 | [diff] [blame] | 422 | We therefore avoid PyThreadState_Get() which dumps a fatal error |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 423 | in debug mode. */ |
Victor Stinner | 299b8c6 | 2020-05-05 17:40:18 +0200 | [diff] [blame] | 424 | struct _ceval_runtime_state *ceval = &runtime->ceval; |
| 425 | struct _ceval_state *ceval2 = &tstate->interp->ceval; |
| 426 | drop_gil(ceval, ceval2, tstate); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 427 | } |
| 428 | |
| 429 | void |
Victor Stinner | 23ef89d | 2020-03-18 02:26:04 +0100 | [diff] [blame] | 430 | _PyEval_ReleaseLock(PyThreadState *tstate) |
| 431 | { |
| 432 | struct _ceval_runtime_state *ceval = &tstate->interp->runtime->ceval; |
Victor Stinner | 0b1e330 | 2020-05-05 16:14:31 +0200 | [diff] [blame] | 433 | struct _ceval_state *ceval2 = &tstate->interp->ceval; |
| 434 | drop_gil(ceval, ceval2, tstate); |
Victor Stinner | 23ef89d | 2020-03-18 02:26:04 +0100 | [diff] [blame] | 435 | } |
| 436 | |
| 437 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 438 | PyEval_AcquireThread(PyThreadState *tstate) |
Guido van Rossum | 9cc8a20 | 1997-07-19 19:55:50 +0000 | [diff] [blame] | 439 | { |
Victor Stinner | 3026cad | 2020-06-01 16:02:40 +0200 | [diff] [blame] | 440 | _Py_EnsureTstateNotNULL(tstate); |
Victor Stinner | eb4e2ae | 2020-03-08 11:57:45 +0100 | [diff] [blame] | 441 | |
Victor Stinner | 85f5a69 | 2020-03-09 22:12:04 +0100 | [diff] [blame] | 442 | take_gil(tstate); |
Victor Stinner | e225beb | 2019-06-03 18:14:24 +0200 | [diff] [blame] | 443 | |
Victor Stinner | 85f5a69 | 2020-03-09 22:12:04 +0100 | [diff] [blame] | 444 | struct _gilstate_runtime_state *gilstate = &tstate->interp->runtime->gilstate; |
Victor Stinner | e838a93 | 2020-05-05 19:56:48 +0200 | [diff] [blame] | 445 | #ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS |
| 446 | (void)_PyThreadState_Swap(gilstate, tstate); |
| 447 | #else |
Victor Stinner | 85f5a69 | 2020-03-09 22:12:04 +0100 | [diff] [blame] | 448 | if (_PyThreadState_Swap(gilstate, tstate) != NULL) { |
Victor Stinner | 9e5d30c | 2020-03-07 00:54:20 +0100 | [diff] [blame] | 449 | Py_FatalError("non-NULL old thread state"); |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 450 | } |
Victor Stinner | e838a93 | 2020-05-05 19:56:48 +0200 | [diff] [blame] | 451 | #endif |
Guido van Rossum | 9cc8a20 | 1997-07-19 19:55:50 +0000 | [diff] [blame] | 452 | } |
| 453 | |
| 454 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 455 | PyEval_ReleaseThread(PyThreadState *tstate) |
Guido van Rossum | 9cc8a20 | 1997-07-19 19:55:50 +0000 | [diff] [blame] | 456 | { |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 457 | assert(is_tstate_valid(tstate)); |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 458 | |
Victor Stinner | 01b1cc1 | 2019-11-20 02:27:56 +0100 | [diff] [blame] | 459 | _PyRuntimeState *runtime = tstate->interp->runtime; |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 460 | PyThreadState *new_tstate = _PyThreadState_Swap(&runtime->gilstate, NULL); |
| 461 | if (new_tstate != tstate) { |
Victor Stinner | 9e5d30c | 2020-03-07 00:54:20 +0100 | [diff] [blame] | 462 | Py_FatalError("wrong thread state"); |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 463 | } |
Victor Stinner | 0b1e330 | 2020-05-05 16:14:31 +0200 | [diff] [blame] | 464 | struct _ceval_runtime_state *ceval = &runtime->ceval; |
| 465 | struct _ceval_state *ceval2 = &tstate->interp->ceval; |
| 466 | drop_gil(ceval, ceval2, tstate); |
Guido van Rossum | 9cc8a20 | 1997-07-19 19:55:50 +0000 | [diff] [blame] | 467 | } |
Guido van Rossum | fee3a2d | 2000-08-27 17:34:07 +0000 | [diff] [blame] | 468 | |
Dong-hee Na | 62f75fe | 2020-04-15 01:16:24 +0900 | [diff] [blame] | 469 | #ifdef HAVE_FORK |
Antoine Pitrou | f7ecfac | 2017-05-28 11:35:14 +0200 | [diff] [blame] | 470 | /* This function is called from PyOS_AfterFork_Child to destroy all threads |
Victor Stinner | 26881c8 | 2020-06-02 15:51:37 +0200 | [diff] [blame] | 471 | which are not running in the child process, and clear internal locks |
| 472 | which might be held by those threads. */ |
| 473 | PyStatus |
Victor Stinner | 317bab0 | 2020-06-02 18:44:54 +0200 | [diff] [blame] | 474 | _PyEval_ReInitThreads(PyThreadState *tstate) |
Guido van Rossum | fee3a2d | 2000-08-27 17:34:07 +0000 | [diff] [blame] | 475 | { |
Victor Stinner | 317bab0 | 2020-06-02 18:44:54 +0200 | [diff] [blame] | 476 | _PyRuntimeState *runtime = tstate->interp->runtime; |
Victor Stinner | 7be4e35 | 2020-05-05 20:27:47 +0200 | [diff] [blame] | 477 | |
| 478 | #ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS |
| 479 | struct _gil_runtime_state *gil = &tstate->interp->ceval.gil; |
| 480 | #else |
Victor Stinner | 56bfdeb | 2020-03-18 09:26:25 +0100 | [diff] [blame] | 481 | struct _gil_runtime_state *gil = &runtime->ceval.gil; |
Victor Stinner | 7be4e35 | 2020-05-05 20:27:47 +0200 | [diff] [blame] | 482 | #endif |
Victor Stinner | 56bfdeb | 2020-03-18 09:26:25 +0100 | [diff] [blame] | 483 | if (!gil_created(gil)) { |
Victor Stinner | 26881c8 | 2020-06-02 15:51:37 +0200 | [diff] [blame] | 484 | return _PyStatus_OK(); |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 485 | } |
Victor Stinner | 56bfdeb | 2020-03-18 09:26:25 +0100 | [diff] [blame] | 486 | recreate_gil(gil); |
Victor Stinner | 85f5a69 | 2020-03-09 22:12:04 +0100 | [diff] [blame] | 487 | |
| 488 | take_gil(tstate); |
Eric Snow | 8479a34 | 2019-03-08 23:44:33 -0700 | [diff] [blame] | 489 | |
Victor Stinner | 50e6e99 | 2020-03-19 02:41:21 +0100 | [diff] [blame] | 490 | struct _pending_calls *pending = &tstate->interp->ceval.pending; |
Dong-hee Na | 62f75fe | 2020-04-15 01:16:24 +0900 | [diff] [blame] | 491 | if (_PyThread_at_fork_reinit(&pending->lock) < 0) { |
Victor Stinner | 26881c8 | 2020-06-02 15:51:37 +0200 | [diff] [blame] | 492 | return _PyStatus_ERR("Can't reinitialize pending calls lock"); |
Eric Snow | 8479a34 | 2019-03-08 23:44:33 -0700 | [diff] [blame] | 493 | } |
Jesse Noller | a851397 | 2008-07-17 16:49:17 +0000 | [diff] [blame] | 494 | |
Antoine Pitrou | 8408cea | 2013-05-05 23:47:09 +0200 | [diff] [blame] | 495 | /* Destroy all threads except the current one */ |
Victor Stinner | eb4e2ae | 2020-03-08 11:57:45 +0100 | [diff] [blame] | 496 | _PyThreadState_DeleteExcept(runtime, tstate); |
Victor Stinner | 26881c8 | 2020-06-02 15:51:37 +0200 | [diff] [blame] | 497 | return _PyStatus_OK(); |
Guido van Rossum | fee3a2d | 2000-08-27 17:34:07 +0000 | [diff] [blame] | 498 | } |
Dong-hee Na | 62f75fe | 2020-04-15 01:16:24 +0900 | [diff] [blame] | 499 | #endif |
Antoine Pitrou | 074e5ed | 2009-11-10 19:50:40 +0000 | [diff] [blame] | 500 | |
Antoine Pitrou | 074e5ed | 2009-11-10 19:50:40 +0000 | [diff] [blame] | 501 | /* This function is used to signal that async exceptions are waiting to be |
Zackery Spytz | eef0596 | 2018-09-29 10:07:11 -0600 | [diff] [blame] | 502 | raised. */ |
Antoine Pitrou | 074e5ed | 2009-11-10 19:50:40 +0000 | [diff] [blame] | 503 | |
| 504 | void |
Victor Stinner | 56bfdeb | 2020-03-18 09:26:25 +0100 | [diff] [blame] | 505 | _PyEval_SignalAsyncExc(PyThreadState *tstate) |
Antoine Pitrou | 074e5ed | 2009-11-10 19:50:40 +0000 | [diff] [blame] | 506 | { |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 507 | assert(is_tstate_valid(tstate)); |
| 508 | SIGNAL_ASYNC_EXC(tstate->interp); |
Antoine Pitrou | 074e5ed | 2009-11-10 19:50:40 +0000 | [diff] [blame] | 509 | } |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 510 | |
Guido van Rossum | 2fca21f7 | 1997-07-18 23:56:58 +0000 | [diff] [blame] | 511 | PyThreadState * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 512 | PyEval_SaveThread(void) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 513 | { |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 514 | _PyRuntimeState *runtime = &_PyRuntime; |
Victor Stinner | e838a93 | 2020-05-05 19:56:48 +0200 | [diff] [blame] | 515 | #ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS |
| 516 | PyThreadState *old_tstate = _PyThreadState_GET(); |
| 517 | PyThreadState *tstate = _PyThreadState_Swap(&runtime->gilstate, old_tstate); |
| 518 | #else |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 519 | PyThreadState *tstate = _PyThreadState_Swap(&runtime->gilstate, NULL); |
Victor Stinner | e838a93 | 2020-05-05 19:56:48 +0200 | [diff] [blame] | 520 | #endif |
Victor Stinner | 3026cad | 2020-06-01 16:02:40 +0200 | [diff] [blame] | 521 | _Py_EnsureTstateNotNULL(tstate); |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 522 | |
Victor Stinner | 0b1e330 | 2020-05-05 16:14:31 +0200 | [diff] [blame] | 523 | struct _ceval_runtime_state *ceval = &runtime->ceval; |
| 524 | struct _ceval_state *ceval2 = &tstate->interp->ceval; |
Victor Stinner | 7be4e35 | 2020-05-05 20:27:47 +0200 | [diff] [blame] | 525 | #ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS |
| 526 | assert(gil_created(&ceval2->gil)); |
| 527 | #else |
Victor Stinner | e225beb | 2019-06-03 18:14:24 +0200 | [diff] [blame] | 528 | assert(gil_created(&ceval->gil)); |
Victor Stinner | 7be4e35 | 2020-05-05 20:27:47 +0200 | [diff] [blame] | 529 | #endif |
Victor Stinner | 0b1e330 | 2020-05-05 16:14:31 +0200 | [diff] [blame] | 530 | drop_gil(ceval, ceval2, tstate); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 531 | return tstate; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 532 | } |
| 533 | |
| 534 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 535 | PyEval_RestoreThread(PyThreadState *tstate) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 536 | { |
Victor Stinner | 3026cad | 2020-06-01 16:02:40 +0200 | [diff] [blame] | 537 | _Py_EnsureTstateNotNULL(tstate); |
Victor Stinner | eb4e2ae | 2020-03-08 11:57:45 +0100 | [diff] [blame] | 538 | |
Victor Stinner | 85f5a69 | 2020-03-09 22:12:04 +0100 | [diff] [blame] | 539 | take_gil(tstate); |
Victor Stinner | 17c68b8 | 2020-01-30 12:20:48 +0100 | [diff] [blame] | 540 | |
Victor Stinner | 85f5a69 | 2020-03-09 22:12:04 +0100 | [diff] [blame] | 541 | struct _gilstate_runtime_state *gilstate = &tstate->interp->runtime->gilstate; |
| 542 | _PyThreadState_Swap(gilstate, tstate); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 543 | } |
| 544 | |
| 545 | |
Guido van Rossum | a967209 | 1994-09-14 13:31:22 +0000 | [diff] [blame] | 546 | /* Mechanism whereby asynchronously executing callbacks (e.g. UNIX |
| 547 | signal handlers or Mac I/O completion routines) can schedule calls |
| 548 | to a function to be called synchronously. |
| 549 | The synchronous function is called with one void* argument. |
| 550 | It should return 0 for success or -1 for failure -- failure should |
| 551 | be accompanied by an exception. |
| 552 | |
| 553 | If registry succeeds, the registry function returns 0; if it fails |
| 554 | (e.g. due to too many pending calls) it returns -1 (without setting |
| 555 | an exception condition). |
| 556 | |
| 557 | Note that because registry may occur from within signal handlers, |
| 558 | or other asynchronous events, calling malloc() is unsafe! |
| 559 | |
Guido van Rossum | a967209 | 1994-09-14 13:31:22 +0000 | [diff] [blame] | 560 | Any thread can schedule pending calls, but only the main thread |
| 561 | will execute them. |
Benjamin Peterson | e5bf383 | 2009-01-17 23:43:58 +0000 | [diff] [blame] | 562 | There is no facility to schedule calls to a particular thread, but |
| 563 | that should be easy to change, should that ever be required. In |
| 564 | that case, the static variables here should go into the python |
| 565 | threadstate. |
Benjamin Peterson | e5bf383 | 2009-01-17 23:43:58 +0000 | [diff] [blame] | 566 | */ |
Guido van Rossum | a967209 | 1994-09-14 13:31:22 +0000 | [diff] [blame] | 567 | |
Antoine Pitrou | c08177a | 2017-06-28 23:29:29 +0200 | [diff] [blame] | 568 | void |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 569 | _PyEval_SignalReceived(PyInterpreterState *interp) |
Antoine Pitrou | c08177a | 2017-06-28 23:29:29 +0200 | [diff] [blame] | 570 | { |
Victor Stinner | d96a7a8 | 2020-11-13 14:44:42 +0100 | [diff] [blame] | 571 | #ifdef MS_WINDOWS |
| 572 | // bpo-42296: On Windows, _PyEval_SignalReceived() is called from a signal |
| 573 | // handler which can run in a thread different than the Python thread, in |
| 574 | // which case _Py_ThreadCanHandleSignals() is wrong. Ignore |
| 575 | // _Py_ThreadCanHandleSignals() and always set eval_breaker to 1. |
| 576 | // |
| 577 | // The next eval_frame_handle_pending() call will call |
| 578 | // _Py_ThreadCanHandleSignals() to recompute eval_breaker. |
| 579 | int force = 1; |
| 580 | #else |
| 581 | int force = 0; |
| 582 | #endif |
Antoine Pitrou | c08177a | 2017-06-28 23:29:29 +0200 | [diff] [blame] | 583 | /* bpo-30703: Function called when the C signal handler of Python gets a |
Victor Stinner | 50e6e99 | 2020-03-19 02:41:21 +0100 | [diff] [blame] | 584 | signal. We cannot queue a callback using _PyEval_AddPendingCall() since |
Antoine Pitrou | c08177a | 2017-06-28 23:29:29 +0200 | [diff] [blame] | 585 | that function is not async-signal-safe. */ |
Victor Stinner | d96a7a8 | 2020-11-13 14:44:42 +0100 | [diff] [blame] | 586 | SIGNAL_PENDING_SIGNALS(interp, force); |
Antoine Pitrou | c08177a | 2017-06-28 23:29:29 +0200 | [diff] [blame] | 587 | } |
| 588 | |
Eric Snow | 5be45a6 | 2019-03-08 22:47:07 -0700 | [diff] [blame] | 589 | /* Push one item onto the queue while holding the lock. */ |
| 590 | static int |
Victor Stinner | e225beb | 2019-06-03 18:14:24 +0200 | [diff] [blame] | 591 | _push_pending_call(struct _pending_calls *pending, |
Eric Snow | 842a2f0 | 2019-03-15 15:47:51 -0600 | [diff] [blame] | 592 | int (*func)(void *), void *arg) |
Eric Snow | 5be45a6 | 2019-03-08 22:47:07 -0700 | [diff] [blame] | 593 | { |
Eric Snow | 842a2f0 | 2019-03-15 15:47:51 -0600 | [diff] [blame] | 594 | int i = pending->last; |
Eric Snow | 5be45a6 | 2019-03-08 22:47:07 -0700 | [diff] [blame] | 595 | int j = (i + 1) % NPENDINGCALLS; |
Eric Snow | 842a2f0 | 2019-03-15 15:47:51 -0600 | [diff] [blame] | 596 | if (j == pending->first) { |
Eric Snow | 5be45a6 | 2019-03-08 22:47:07 -0700 | [diff] [blame] | 597 | return -1; /* Queue full */ |
| 598 | } |
Eric Snow | 842a2f0 | 2019-03-15 15:47:51 -0600 | [diff] [blame] | 599 | pending->calls[i].func = func; |
| 600 | pending->calls[i].arg = arg; |
| 601 | pending->last = j; |
Eric Snow | 5be45a6 | 2019-03-08 22:47:07 -0700 | [diff] [blame] | 602 | return 0; |
| 603 | } |
| 604 | |
| 605 | /* Pop one item off the queue while holding the lock. */ |
| 606 | static void |
Victor Stinner | e225beb | 2019-06-03 18:14:24 +0200 | [diff] [blame] | 607 | _pop_pending_call(struct _pending_calls *pending, |
Eric Snow | 842a2f0 | 2019-03-15 15:47:51 -0600 | [diff] [blame] | 608 | int (**func)(void *), void **arg) |
Eric Snow | 5be45a6 | 2019-03-08 22:47:07 -0700 | [diff] [blame] | 609 | { |
Eric Snow | 842a2f0 | 2019-03-15 15:47:51 -0600 | [diff] [blame] | 610 | int i = pending->first; |
| 611 | if (i == pending->last) { |
Eric Snow | 5be45a6 | 2019-03-08 22:47:07 -0700 | [diff] [blame] | 612 | return; /* Queue empty */ |
| 613 | } |
| 614 | |
Eric Snow | 842a2f0 | 2019-03-15 15:47:51 -0600 | [diff] [blame] | 615 | *func = pending->calls[i].func; |
| 616 | *arg = pending->calls[i].arg; |
| 617 | pending->first = (i + 1) % NPENDINGCALLS; |
Eric Snow | 5be45a6 | 2019-03-08 22:47:07 -0700 | [diff] [blame] | 618 | } |
| 619 | |
Antoine Pitrou | a6a4dc8 | 2017-09-07 18:56:24 +0200 | [diff] [blame] | 620 | /* This implementation is thread-safe. It allows |
Benjamin Peterson | e5bf383 | 2009-01-17 23:43:58 +0000 | [diff] [blame] | 621 | scheduling to be made from any thread, and even from an executing |
| 622 | callback. |
| 623 | */ |
| 624 | |
Benjamin Peterson | e5bf383 | 2009-01-17 23:43:58 +0000 | [diff] [blame] | 625 | int |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 626 | _PyEval_AddPendingCall(PyInterpreterState *interp, |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 627 | int (*func)(void *), void *arg) |
Benjamin Peterson | e5bf383 | 2009-01-17 23:43:58 +0000 | [diff] [blame] | 628 | { |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 629 | struct _pending_calls *pending = &interp->ceval.pending; |
Eric Snow | 842a2f0 | 2019-03-15 15:47:51 -0600 | [diff] [blame] | 630 | |
Victor Stinner | dda5d6e | 2020-04-08 17:54:59 +0200 | [diff] [blame] | 631 | /* Ensure that _PyEval_InitPendingCalls() was called |
| 632 | and that _PyEval_FiniPendingCalls() is not called yet. */ |
| 633 | assert(pending->lock != NULL); |
| 634 | |
Eric Snow | 842a2f0 | 2019-03-15 15:47:51 -0600 | [diff] [blame] | 635 | PyThread_acquire_lock(pending->lock, WAIT_LOCK); |
Victor Stinner | e225beb | 2019-06-03 18:14:24 +0200 | [diff] [blame] | 636 | int result = _push_pending_call(pending, func, arg); |
Eric Snow | 842a2f0 | 2019-03-15 15:47:51 -0600 | [diff] [blame] | 637 | PyThread_release_lock(pending->lock); |
Eric Snow | 5be45a6 | 2019-03-08 22:47:07 -0700 | [diff] [blame] | 638 | |
Victor Stinner | e225beb | 2019-06-03 18:14:24 +0200 | [diff] [blame] | 639 | /* signal main loop */ |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 640 | SIGNAL_PENDING_CALLS(interp); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 641 | return result; |
Benjamin Peterson | e5bf383 | 2009-01-17 23:43:58 +0000 | [diff] [blame] | 642 | } |
| 643 | |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 644 | int |
| 645 | Py_AddPendingCall(int (*func)(void *), void *arg) |
| 646 | { |
Victor Stinner | 50e6e99 | 2020-03-19 02:41:21 +0100 | [diff] [blame] | 647 | /* Best-effort to support subinterpreters and calls with the GIL released. |
| 648 | |
| 649 | First attempt _PyThreadState_GET() since it supports subinterpreters. |
| 650 | |
| 651 | If the GIL is released, _PyThreadState_GET() returns NULL . In this |
| 652 | case, use PyGILState_GetThisThreadState() which works even if the GIL |
| 653 | is released. |
| 654 | |
| 655 | Sadly, PyGILState_GetThisThreadState() doesn't support subinterpreters: |
| 656 | see bpo-10915 and bpo-15751. |
| 657 | |
Victor Stinner | 8849e59 | 2020-03-18 19:28:53 +0100 | [diff] [blame] | 658 | Py_AddPendingCall() doesn't require the caller to hold the GIL. */ |
Victor Stinner | 50e6e99 | 2020-03-19 02:41:21 +0100 | [diff] [blame] | 659 | PyThreadState *tstate = _PyThreadState_GET(); |
| 660 | if (tstate == NULL) { |
| 661 | tstate = PyGILState_GetThisThreadState(); |
| 662 | } |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 663 | |
| 664 | PyInterpreterState *interp; |
| 665 | if (tstate != NULL) { |
| 666 | interp = tstate->interp; |
| 667 | } |
| 668 | else { |
| 669 | /* Last resort: use the main interpreter */ |
| 670 | interp = _PyRuntime.interpreters.main; |
| 671 | } |
| 672 | return _PyEval_AddPendingCall(interp, func, arg); |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 673 | } |
| 674 | |
Eric Snow | fdf282d | 2019-01-11 14:26:55 -0700 | [diff] [blame] | 675 | static int |
Victor Stinner | d7fabc1 | 2020-03-18 01:56:21 +0100 | [diff] [blame] | 676 | handle_signals(PyThreadState *tstate) |
Eric Snow | fdf282d | 2019-01-11 14:26:55 -0700 | [diff] [blame] | 677 | { |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 678 | assert(is_tstate_valid(tstate)); |
| 679 | if (!_Py_ThreadCanHandleSignals(tstate->interp)) { |
Eric Snow | 64d6cc8 | 2019-02-23 15:40:43 -0700 | [diff] [blame] | 680 | return 0; |
| 681 | } |
Eric Snow | fdf282d | 2019-01-11 14:26:55 -0700 | [diff] [blame] | 682 | |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 683 | UNSIGNAL_PENDING_SIGNALS(tstate->interp); |
Victor Stinner | 7281898 | 2020-03-26 22:28:11 +0100 | [diff] [blame] | 684 | if (_PyErr_CheckSignalsTstate(tstate) < 0) { |
| 685 | /* On failure, re-schedule a call to handle_signals(). */ |
Victor Stinner | d96a7a8 | 2020-11-13 14:44:42 +0100 | [diff] [blame] | 686 | SIGNAL_PENDING_SIGNALS(tstate->interp, 0); |
Eric Snow | fdf282d | 2019-01-11 14:26:55 -0700 | [diff] [blame] | 687 | return -1; |
| 688 | } |
| 689 | return 0; |
| 690 | } |
| 691 | |
| 692 | static int |
Victor Stinner | d7fabc1 | 2020-03-18 01:56:21 +0100 | [diff] [blame] | 693 | make_pending_calls(PyThreadState *tstate) |
Benjamin Peterson | e5bf383 | 2009-01-17 23:43:58 +0000 | [diff] [blame] | 694 | { |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 695 | assert(is_tstate_valid(tstate)); |
| 696 | |
Victor Stinner | d831688 | 2020-03-20 14:50:35 +0100 | [diff] [blame] | 697 | /* only execute pending calls on main thread */ |
| 698 | if (!_Py_ThreadCanHandlePendingCalls()) { |
Victor Stinner | e225beb | 2019-06-03 18:14:24 +0200 | [diff] [blame] | 699 | return 0; |
| 700 | } |
| 701 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 702 | /* don't perform recursive pending calls */ |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 703 | static int busy = 0; |
Eric Snow | fdf282d | 2019-01-11 14:26:55 -0700 | [diff] [blame] | 704 | if (busy) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 705 | return 0; |
Eric Snow | fdf282d | 2019-01-11 14:26:55 -0700 | [diff] [blame] | 706 | } |
Charles-François Natali | f23339a | 2011-07-23 18:15:43 +0200 | [diff] [blame] | 707 | busy = 1; |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 708 | |
Antoine Pitrou | c08177a | 2017-06-28 23:29:29 +0200 | [diff] [blame] | 709 | /* unsignal before starting to call callbacks, so that any callback |
| 710 | added in-between re-signals */ |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 711 | UNSIGNAL_PENDING_CALLS(tstate->interp); |
Eric Snow | fdf282d | 2019-01-11 14:26:55 -0700 | [diff] [blame] | 712 | int res = 0; |
Antoine Pitrou | c08177a | 2017-06-28 23:29:29 +0200 | [diff] [blame] | 713 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 714 | /* perform a bounded number of calls, in case of recursion */ |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 715 | struct _pending_calls *pending = &tstate->interp->ceval.pending; |
Eric Snow | fdf282d | 2019-01-11 14:26:55 -0700 | [diff] [blame] | 716 | for (int i=0; i<NPENDINGCALLS; i++) { |
Eric Snow | 5be45a6 | 2019-03-08 22:47:07 -0700 | [diff] [blame] | 717 | int (*func)(void *) = NULL; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 718 | void *arg = NULL; |
| 719 | |
| 720 | /* pop one item off the queue while holding the lock */ |
Eric Snow | 842a2f0 | 2019-03-15 15:47:51 -0600 | [diff] [blame] | 721 | PyThread_acquire_lock(pending->lock, WAIT_LOCK); |
Victor Stinner | e225beb | 2019-06-03 18:14:24 +0200 | [diff] [blame] | 722 | _pop_pending_call(pending, &func, &arg); |
Eric Snow | 842a2f0 | 2019-03-15 15:47:51 -0600 | [diff] [blame] | 723 | PyThread_release_lock(pending->lock); |
Eric Snow | 5be45a6 | 2019-03-08 22:47:07 -0700 | [diff] [blame] | 724 | |
Victor Stinner | 4d61e6e | 2019-03-04 14:21:28 +0100 | [diff] [blame] | 725 | /* having released the lock, perform the callback */ |
Eric Snow | 5be45a6 | 2019-03-08 22:47:07 -0700 | [diff] [blame] | 726 | if (func == NULL) { |
Victor Stinner | 4d61e6e | 2019-03-04 14:21:28 +0100 | [diff] [blame] | 727 | break; |
Eric Snow | 5be45a6 | 2019-03-08 22:47:07 -0700 | [diff] [blame] | 728 | } |
Eric Snow | fdf282d | 2019-01-11 14:26:55 -0700 | [diff] [blame] | 729 | res = func(arg); |
| 730 | if (res) { |
Antoine Pitrou | c08177a | 2017-06-28 23:29:29 +0200 | [diff] [blame] | 731 | goto error; |
| 732 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 733 | } |
Antoine Pitrou | c08177a | 2017-06-28 23:29:29 +0200 | [diff] [blame] | 734 | |
Charles-François Natali | f23339a | 2011-07-23 18:15:43 +0200 | [diff] [blame] | 735 | busy = 0; |
Eric Snow | fdf282d | 2019-01-11 14:26:55 -0700 | [diff] [blame] | 736 | return res; |
Antoine Pitrou | c08177a | 2017-06-28 23:29:29 +0200 | [diff] [blame] | 737 | |
| 738 | error: |
| 739 | busy = 0; |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 740 | SIGNAL_PENDING_CALLS(tstate->interp); |
Eric Snow | fdf282d | 2019-01-11 14:26:55 -0700 | [diff] [blame] | 741 | return res; |
| 742 | } |
| 743 | |
Eric Snow | 842a2f0 | 2019-03-15 15:47:51 -0600 | [diff] [blame] | 744 | void |
Victor Stinner | 2b1df45 | 2020-01-13 18:46:59 +0100 | [diff] [blame] | 745 | _Py_FinishPendingCalls(PyThreadState *tstate) |
Eric Snow | 842a2f0 | 2019-03-15 15:47:51 -0600 | [diff] [blame] | 746 | { |
Eric Snow | 842a2f0 | 2019-03-15 15:47:51 -0600 | [diff] [blame] | 747 | assert(PyGILState_Check()); |
| 748 | |
Victor Stinner | 50e6e99 | 2020-03-19 02:41:21 +0100 | [diff] [blame] | 749 | struct _pending_calls *pending = &tstate->interp->ceval.pending; |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 750 | |
Eric Snow | 842a2f0 | 2019-03-15 15:47:51 -0600 | [diff] [blame] | 751 | if (!_Py_atomic_load_relaxed(&(pending->calls_to_do))) { |
| 752 | return; |
| 753 | } |
| 754 | |
Victor Stinner | d7fabc1 | 2020-03-18 01:56:21 +0100 | [diff] [blame] | 755 | if (make_pending_calls(tstate) < 0) { |
Victor Stinner | e225beb | 2019-06-03 18:14:24 +0200 | [diff] [blame] | 756 | PyObject *exc, *val, *tb; |
| 757 | _PyErr_Fetch(tstate, &exc, &val, &tb); |
| 758 | PyErr_BadInternalCall(); |
| 759 | _PyErr_ChainExceptions(exc, val, tb); |
| 760 | _PyErr_Print(tstate); |
Eric Snow | 842a2f0 | 2019-03-15 15:47:51 -0600 | [diff] [blame] | 761 | } |
| 762 | } |
| 763 | |
Eric Snow | fdf282d | 2019-01-11 14:26:55 -0700 | [diff] [blame] | 764 | /* Py_MakePendingCalls() is a simple wrapper for the sake |
| 765 | of backward-compatibility. */ |
| 766 | int |
| 767 | Py_MakePendingCalls(void) |
| 768 | { |
| 769 | assert(PyGILState_Check()); |
| 770 | |
Victor Stinner | d7fabc1 | 2020-03-18 01:56:21 +0100 | [diff] [blame] | 771 | PyThreadState *tstate = _PyThreadState_GET(); |
| 772 | |
Eric Snow | fdf282d | 2019-01-11 14:26:55 -0700 | [diff] [blame] | 773 | /* Python signal handler doesn't really queue a callback: it only signals |
| 774 | that a signal was received, see _PyEval_SignalReceived(). */ |
Victor Stinner | d7fabc1 | 2020-03-18 01:56:21 +0100 | [diff] [blame] | 775 | int res = handle_signals(tstate); |
Eric Snow | fdf282d | 2019-01-11 14:26:55 -0700 | [diff] [blame] | 776 | if (res != 0) { |
| 777 | return res; |
| 778 | } |
| 779 | |
Victor Stinner | d7fabc1 | 2020-03-18 01:56:21 +0100 | [diff] [blame] | 780 | res = make_pending_calls(tstate); |
Eric Snow | b75b1a35 | 2019-04-12 10:20:10 -0600 | [diff] [blame] | 781 | if (res != 0) { |
| 782 | return res; |
| 783 | } |
| 784 | |
| 785 | return 0; |
Benjamin Peterson | e5bf383 | 2009-01-17 23:43:58 +0000 | [diff] [blame] | 786 | } |
| 787 | |
Jeremy Hylton | ee5adfb | 2000-08-31 19:23:01 +0000 | [diff] [blame] | 788 | /* The interpreter's recursion limit */ |
| 789 | |
Hye-Shik Chang | b6fa281 | 2005-04-04 15:49:02 +0000 | [diff] [blame] | 790 | #ifndef Py_DEFAULT_RECURSION_LIMIT |
Victor Stinner | 19c3ac9 | 2020-09-23 14:04:57 +0200 | [diff] [blame] | 791 | # define Py_DEFAULT_RECURSION_LIMIT 1000 |
Hye-Shik Chang | b6fa281 | 2005-04-04 15:49:02 +0000 | [diff] [blame] | 792 | #endif |
Eric Snow | 2ebc5ce | 2017-09-07 23:51:28 -0600 | [diff] [blame] | 793 | |
Eric Snow | 2ebc5ce | 2017-09-07 23:51:28 -0600 | [diff] [blame] | 794 | void |
Victor Stinner | dab8423 | 2020-03-17 18:56:44 +0100 | [diff] [blame] | 795 | _PyEval_InitRuntimeState(struct _ceval_runtime_state *ceval) |
Eric Snow | 2ebc5ce | 2017-09-07 23:51:28 -0600 | [diff] [blame] | 796 | { |
Victor Stinner | 7be4e35 | 2020-05-05 20:27:47 +0200 | [diff] [blame] | 797 | #ifndef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS |
Victor Stinner | dab8423 | 2020-03-17 18:56:44 +0100 | [diff] [blame] | 798 | _gil_initialize(&ceval->gil); |
Victor Stinner | 7be4e35 | 2020-05-05 20:27:47 +0200 | [diff] [blame] | 799 | #endif |
Victor Stinner | dab8423 | 2020-03-17 18:56:44 +0100 | [diff] [blame] | 800 | } |
| 801 | |
Victor Stinner | dda5d6e | 2020-04-08 17:54:59 +0200 | [diff] [blame] | 802 | int |
Victor Stinner | dab8423 | 2020-03-17 18:56:44 +0100 | [diff] [blame] | 803 | _PyEval_InitState(struct _ceval_state *ceval) |
| 804 | { |
Victor Stinner | 4e30ed3 | 2020-05-05 16:52:52 +0200 | [diff] [blame] | 805 | ceval->recursion_limit = Py_DEFAULT_RECURSION_LIMIT; |
| 806 | |
Victor Stinner | dda5d6e | 2020-04-08 17:54:59 +0200 | [diff] [blame] | 807 | struct _pending_calls *pending = &ceval->pending; |
| 808 | assert(pending->lock == NULL); |
| 809 | |
| 810 | pending->lock = PyThread_allocate_lock(); |
| 811 | if (pending->lock == NULL) { |
| 812 | return -1; |
| 813 | } |
Victor Stinner | 7be4e35 | 2020-05-05 20:27:47 +0200 | [diff] [blame] | 814 | |
| 815 | #ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS |
| 816 | _gil_initialize(&ceval->gil); |
| 817 | #endif |
| 818 | |
Victor Stinner | dda5d6e | 2020-04-08 17:54:59 +0200 | [diff] [blame] | 819 | return 0; |
| 820 | } |
| 821 | |
| 822 | void |
| 823 | _PyEval_FiniState(struct _ceval_state *ceval) |
| 824 | { |
| 825 | struct _pending_calls *pending = &ceval->pending; |
| 826 | if (pending->lock != NULL) { |
| 827 | PyThread_free_lock(pending->lock); |
| 828 | pending->lock = NULL; |
| 829 | } |
Eric Snow | 2ebc5ce | 2017-09-07 23:51:28 -0600 | [diff] [blame] | 830 | } |
| 831 | |
Vladimir Marangozov | 7bd25be | 2000-09-01 11:07:19 +0000 | [diff] [blame] | 832 | int |
| 833 | Py_GetRecursionLimit(void) |
Jeremy Hylton | ee5adfb | 2000-08-31 19:23:01 +0000 | [diff] [blame] | 834 | { |
Victor Stinner | 1bcc32f | 2020-06-10 20:08:26 +0200 | [diff] [blame] | 835 | PyInterpreterState *interp = _PyInterpreterState_GET(); |
| 836 | return interp->ceval.recursion_limit; |
Jeremy Hylton | ee5adfb | 2000-08-31 19:23:01 +0000 | [diff] [blame] | 837 | } |
| 838 | |
Vladimir Marangozov | 7bd25be | 2000-09-01 11:07:19 +0000 | [diff] [blame] | 839 | void |
| 840 | Py_SetRecursionLimit(int new_limit) |
Jeremy Hylton | ee5adfb | 2000-08-31 19:23:01 +0000 | [diff] [blame] | 841 | { |
Victor Stinner | 4e30ed3 | 2020-05-05 16:52:52 +0200 | [diff] [blame] | 842 | PyThreadState *tstate = _PyThreadState_GET(); |
| 843 | tstate->interp->ceval.recursion_limit = new_limit; |
Jeremy Hylton | ee5adfb | 2000-08-31 19:23:01 +0000 | [diff] [blame] | 844 | } |
| 845 | |
Victor Stinner | be434dc | 2019-11-05 00:51:22 +0100 | [diff] [blame] | 846 | /* The function _Py_EnterRecursiveCall() only calls _Py_CheckRecursiveCall() |
Victor Stinner | 19c3ac9 | 2020-09-23 14:04:57 +0200 | [diff] [blame] | 847 | if the recursion_depth reaches recursion_limit. |
| 848 | If USE_STACKCHECK, the macro decrements recursion_limit |
Armin Rigo | 2b3eb40 | 2003-10-28 12:05:48 +0000 | [diff] [blame] | 849 | to guarantee that _Py_CheckRecursiveCall() is regularly called. |
| 850 | Without USE_STACKCHECK, there is no need for this. */ |
| 851 | int |
Victor Stinner | be434dc | 2019-11-05 00:51:22 +0100 | [diff] [blame] | 852 | _Py_CheckRecursiveCall(PyThreadState *tstate, const char *where) |
Armin Rigo | 2b3eb40 | 2003-10-28 12:05:48 +0000 | [diff] [blame] | 853 | { |
Victor Stinner | 4e30ed3 | 2020-05-05 16:52:52 +0200 | [diff] [blame] | 854 | int recursion_limit = tstate->interp->ceval.recursion_limit; |
Armin Rigo | 2b3eb40 | 2003-10-28 12:05:48 +0000 | [diff] [blame] | 855 | |
| 856 | #ifdef USE_STACKCHECK |
pdox | 1896793 | 2017-10-25 23:03:01 -0700 | [diff] [blame] | 857 | tstate->stackcheck_counter = 0; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 858 | if (PyOS_CheckStack()) { |
| 859 | --tstate->recursion_depth; |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 860 | _PyErr_SetString(tstate, PyExc_MemoryError, "Stack overflow"); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 861 | return -1; |
| 862 | } |
pdox | 1896793 | 2017-10-25 23:03:01 -0700 | [diff] [blame] | 863 | #endif |
Mark Shannon | 4e7a69b | 2020-12-02 13:30:55 +0000 | [diff] [blame] | 864 | if (tstate->recursion_headroom) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 865 | if (tstate->recursion_depth > recursion_limit + 50) { |
| 866 | /* Overflowing while handling an overflow. Give up. */ |
| 867 | Py_FatalError("Cannot recover from stack overflow."); |
| 868 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 869 | } |
Mark Shannon | 4e7a69b | 2020-12-02 13:30:55 +0000 | [diff] [blame] | 870 | else { |
| 871 | if (tstate->recursion_depth > recursion_limit) { |
| 872 | tstate->recursion_headroom++; |
| 873 | _PyErr_Format(tstate, PyExc_RecursionError, |
| 874 | "maximum recursion depth exceeded%s", |
| 875 | where); |
| 876 | tstate->recursion_headroom--; |
| 877 | --tstate->recursion_depth; |
| 878 | return -1; |
| 879 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 880 | } |
| 881 | return 0; |
Armin Rigo | 2b3eb40 | 2003-10-28 12:05:48 +0000 | [diff] [blame] | 882 | } |
| 883 | |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 884 | static int do_raise(PyThreadState *tstate, PyObject *exc, PyObject *cause); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 885 | static int unpack_iterable(PyThreadState *, PyObject *, int, int, PyObject **); |
Guido van Rossum | 1aa1483 | 1997-01-21 05:34:20 +0000 | [diff] [blame] | 886 | |
Victor Stinner | e225beb | 2019-06-03 18:14:24 +0200 | [diff] [blame] | 887 | #define _Py_TracingPossible(ceval) ((ceval)->tracing_possible) |
Antoine Pitrou | 074e5ed | 2009-11-10 19:50:40 +0000 | [diff] [blame] | 888 | |
Guido van Rossum | 374a922 | 1991-04-04 10:40:29 +0000 | [diff] [blame] | 889 | |
Guido van Rossum | b209a11 | 1997-04-29 18:18:01 +0000 | [diff] [blame] | 890 | PyObject * |
Martin v. Löwis | 4d0d471 | 2010-12-03 20:14:31 +0000 | [diff] [blame] | 891 | PyEval_EvalCode(PyObject *co, PyObject *globals, PyObject *locals) |
Guido van Rossum | 681d79a | 1995-07-18 14:51:37 +0000 | [diff] [blame] | 892 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 893 | return PyEval_EvalCodeEx(co, |
| 894 | globals, locals, |
| 895 | (PyObject **)NULL, 0, |
| 896 | (PyObject **)NULL, 0, |
| 897 | (PyObject **)NULL, 0, |
| 898 | NULL, NULL); |
Guido van Rossum | 681d79a | 1995-07-18 14:51:37 +0000 | [diff] [blame] | 899 | } |
| 900 | |
| 901 | |
| 902 | /* Interpreter main loop */ |
| 903 | |
Martin v. Löwis | 8d97e33 | 2004-06-27 15:43:12 +0000 | [diff] [blame] | 904 | PyObject * |
Victor Stinner | b9e6812 | 2019-11-14 12:20:46 +0100 | [diff] [blame] | 905 | PyEval_EvalFrame(PyFrameObject *f) |
| 906 | { |
Victor Stinner | 0b72b23 | 2020-03-12 23:18:39 +0100 | [diff] [blame] | 907 | /* Function kept for backward compatibility */ |
Victor Stinner | b9e6812 | 2019-11-14 12:20:46 +0100 | [diff] [blame] | 908 | PyThreadState *tstate = _PyThreadState_GET(); |
| 909 | return _PyEval_EvalFrame(tstate, f, 0); |
Phillip J. Eby | 0d6615f | 2005-08-02 00:46:46 +0000 | [diff] [blame] | 910 | } |
| 911 | |
| 912 | PyObject * |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 913 | PyEval_EvalFrameEx(PyFrameObject *f, int throwflag) |
Guido van Rossum | 374a922 | 1991-04-04 10:40:29 +0000 | [diff] [blame] | 914 | { |
Victor Stinner | b9e6812 | 2019-11-14 12:20:46 +0100 | [diff] [blame] | 915 | PyThreadState *tstate = _PyThreadState_GET(); |
| 916 | return _PyEval_EvalFrame(tstate, f, throwflag); |
Brett Cannon | 3cebf93 | 2016-09-05 15:33:46 -0700 | [diff] [blame] | 917 | } |
| 918 | |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 919 | |
| 920 | /* Handle signals, pending calls, GIL drop request |
| 921 | and asynchronous exception */ |
| 922 | static int |
| 923 | eval_frame_handle_pending(PyThreadState *tstate) |
| 924 | { |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 925 | _PyRuntimeState * const runtime = &_PyRuntime; |
| 926 | struct _ceval_runtime_state *ceval = &runtime->ceval; |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 927 | |
| 928 | /* Pending signals */ |
Victor Stinner | 299b8c6 | 2020-05-05 17:40:18 +0200 | [diff] [blame] | 929 | if (_Py_atomic_load_relaxed(&ceval->signals_pending)) { |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 930 | if (handle_signals(tstate) != 0) { |
| 931 | return -1; |
| 932 | } |
| 933 | } |
| 934 | |
| 935 | /* Pending calls */ |
Victor Stinner | 299b8c6 | 2020-05-05 17:40:18 +0200 | [diff] [blame] | 936 | struct _ceval_state *ceval2 = &tstate->interp->ceval; |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 937 | if (_Py_atomic_load_relaxed(&ceval2->pending.calls_to_do)) { |
| 938 | if (make_pending_calls(tstate) != 0) { |
| 939 | return -1; |
| 940 | } |
| 941 | } |
| 942 | |
| 943 | /* GIL drop request */ |
Victor Stinner | 0b1e330 | 2020-05-05 16:14:31 +0200 | [diff] [blame] | 944 | if (_Py_atomic_load_relaxed(&ceval2->gil_drop_request)) { |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 945 | /* Give another thread a chance */ |
| 946 | if (_PyThreadState_Swap(&runtime->gilstate, NULL) != tstate) { |
| 947 | Py_FatalError("tstate mix-up"); |
| 948 | } |
Victor Stinner | 0b1e330 | 2020-05-05 16:14:31 +0200 | [diff] [blame] | 949 | drop_gil(ceval, ceval2, tstate); |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 950 | |
| 951 | /* Other threads may run now */ |
| 952 | |
| 953 | take_gil(tstate); |
| 954 | |
Victor Stinner | e838a93 | 2020-05-05 19:56:48 +0200 | [diff] [blame] | 955 | #ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS |
| 956 | (void)_PyThreadState_Swap(&runtime->gilstate, tstate); |
| 957 | #else |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 958 | if (_PyThreadState_Swap(&runtime->gilstate, tstate) != NULL) { |
| 959 | Py_FatalError("orphan tstate"); |
| 960 | } |
Victor Stinner | e838a93 | 2020-05-05 19:56:48 +0200 | [diff] [blame] | 961 | #endif |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 962 | } |
| 963 | |
| 964 | /* Check for asynchronous exception. */ |
| 965 | if (tstate->async_exc != NULL) { |
| 966 | PyObject *exc = tstate->async_exc; |
| 967 | tstate->async_exc = NULL; |
Victor Stinner | b54a99d | 2020-04-08 23:35:05 +0200 | [diff] [blame] | 968 | UNSIGNAL_ASYNC_EXC(tstate->interp); |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 969 | _PyErr_SetNone(tstate, exc); |
| 970 | Py_DECREF(exc); |
| 971 | return -1; |
| 972 | } |
| 973 | |
Victor Stinner | d96a7a8 | 2020-11-13 14:44:42 +0100 | [diff] [blame] | 974 | #ifdef MS_WINDOWS |
| 975 | // bpo-42296: On Windows, _PyEval_SignalReceived() can be called in a |
| 976 | // different thread than the Python thread, in which case |
| 977 | // _Py_ThreadCanHandleSignals() is wrong. Recompute eval_breaker in the |
| 978 | // current Python thread with the correct _Py_ThreadCanHandleSignals() |
| 979 | // value. It prevents to interrupt the eval loop at every instruction if |
| 980 | // the current Python thread cannot handle signals (if |
| 981 | // _Py_ThreadCanHandleSignals() is false). |
| 982 | COMPUTE_EVAL_BREAKER(tstate->interp, ceval, ceval2); |
| 983 | #endif |
| 984 | |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 985 | return 0; |
| 986 | } |
| 987 | |
Victor Stinner | c6944e7 | 2016-11-11 02:13:35 +0100 | [diff] [blame] | 988 | PyObject* _Py_HOT_FUNCTION |
Victor Stinner | 0b72b23 | 2020-03-12 23:18:39 +0100 | [diff] [blame] | 989 | _PyEval_EvalFrameDefault(PyThreadState *tstate, PyFrameObject *f, int throwflag) |
Brett Cannon | 3cebf93 | 2016-09-05 15:33:46 -0700 | [diff] [blame] | 990 | { |
Victor Stinner | 3026cad | 2020-06-01 16:02:40 +0200 | [diff] [blame] | 991 | _Py_EnsureTstateNotNULL(tstate); |
Victor Stinner | 0b72b23 | 2020-03-12 23:18:39 +0100 | [diff] [blame] | 992 | |
Guido van Rossum | 950361c | 1997-01-24 13:49:28 +0000 | [diff] [blame] | 993 | #ifdef DXPAIRS |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 994 | int lastopcode = 0; |
Guido van Rossum | 950361c | 1997-01-24 13:49:28 +0000 | [diff] [blame] | 995 | #endif |
Antoine Pitrou | 9ed5f27 | 2013-08-13 20:18:52 +0200 | [diff] [blame] | 996 | PyObject **stack_pointer; /* Next free slot in value stack */ |
Serhiy Storchaka | ab87400 | 2016-09-11 13:48:15 +0300 | [diff] [blame] | 997 | const _Py_CODEUNIT *next_instr; |
Antoine Pitrou | 9ed5f27 | 2013-08-13 20:18:52 +0200 | [diff] [blame] | 998 | int opcode; /* Current opcode */ |
| 999 | int oparg; /* Current opcode argument, if any */ |
Antoine Pitrou | 9ed5f27 | 2013-08-13 20:18:52 +0200 | [diff] [blame] | 1000 | PyObject **fastlocals, **freevars; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1001 | PyObject *retval = NULL; /* Return value */ |
Victor Stinner | dab8423 | 2020-03-17 18:56:44 +0100 | [diff] [blame] | 1002 | struct _ceval_state * const ceval2 = &tstate->interp->ceval; |
Victor Stinner | 50e6e99 | 2020-03-19 02:41:21 +0100 | [diff] [blame] | 1003 | _Py_atomic_int * const eval_breaker = &ceval2->eval_breaker; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1004 | PyCodeObject *co; |
Michael W. Hudson | dd32a91 | 2002-08-15 14:59:02 +0000 | [diff] [blame] | 1005 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1006 | /* when tracing we set things up so that |
Michael W. Hudson | dd32a91 | 2002-08-15 14:59:02 +0000 | [diff] [blame] | 1007 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1008 | not (instr_lb <= current_bytecode_offset < instr_ub) |
Michael W. Hudson | dd32a91 | 2002-08-15 14:59:02 +0000 | [diff] [blame] | 1009 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1010 | is true when the line being executed has changed. The |
| 1011 | initial values are such as to make this false the first |
| 1012 | time it is tested. */ |
Michael W. Hudson | dd32a91 | 2002-08-15 14:59:02 +0000 | [diff] [blame] | 1013 | |
Serhiy Storchaka | ab87400 | 2016-09-11 13:48:15 +0300 | [diff] [blame] | 1014 | const _Py_CODEUNIT *first_instr; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1015 | PyObject *names; |
| 1016 | PyObject *consts; |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 1017 | _PyOpcache *co_opcache; |
Guido van Rossum | 374a922 | 1991-04-04 10:40:29 +0000 | [diff] [blame] | 1018 | |
Brett Cannon | 368b4b7 | 2012-04-02 12:17:59 -0400 | [diff] [blame] | 1019 | #ifdef LLTRACE |
Victor Stinner | 3c1e481 | 2012-03-26 22:10:51 +0200 | [diff] [blame] | 1020 | _Py_IDENTIFIER(__ltrace__); |
Brett Cannon | 368b4b7 | 2012-04-02 12:17:59 -0400 | [diff] [blame] | 1021 | #endif |
Victor Stinner | 3c1e481 | 2012-03-26 22:10:51 +0200 | [diff] [blame] | 1022 | |
Antoine Pitrou | b52ec78 | 2009-01-25 16:34:23 +0000 | [diff] [blame] | 1023 | /* Computed GOTOs, or |
| 1024 | the-optimization-commonly-but-improperly-known-as-"threaded code" |
| 1025 | using gcc's labels-as-values extension |
| 1026 | (http://gcc.gnu.org/onlinedocs/gcc/Labels-as-Values.html). |
| 1027 | |
| 1028 | The traditional bytecode evaluation loop uses a "switch" statement, which |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1029 | decent compilers will optimize as a single indirect branch instruction |
Antoine Pitrou | b52ec78 | 2009-01-25 16:34:23 +0000 | [diff] [blame] | 1030 | combined with a lookup table of jump addresses. However, since the |
| 1031 | indirect jump instruction is shared by all opcodes, the CPU will have a |
| 1032 | hard time making the right prediction for where to jump next (actually, |
| 1033 | it will be always wrong except in the uncommon case of a sequence of |
| 1034 | several identical opcodes). |
| 1035 | |
| 1036 | "Threaded code" in contrast, uses an explicit jump table and an explicit |
| 1037 | indirect jump instruction at the end of each opcode. Since the jump |
| 1038 | instruction is at a different address for each opcode, the CPU will make a |
| 1039 | separate prediction for each of these instructions, which is equivalent to |
| 1040 | predicting the second opcode of each opcode pair. These predictions have |
| 1041 | a much better chance to turn out valid, especially in small bytecode loops. |
| 1042 | |
| 1043 | A mispredicted branch on a modern CPU flushes the whole pipeline and |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1044 | can cost several CPU cycles (depending on the pipeline depth), |
Antoine Pitrou | b52ec78 | 2009-01-25 16:34:23 +0000 | [diff] [blame] | 1045 | and potentially many more instructions (depending on the pipeline width). |
| 1046 | A correctly predicted branch, however, is nearly free. |
| 1047 | |
| 1048 | At the time of this writing, the "threaded code" version is up to 15-20% |
| 1049 | faster than the normal "switch" version, depending on the compiler and the |
| 1050 | CPU architecture. |
| 1051 | |
| 1052 | We disable the optimization if DYNAMIC_EXECUTION_PROFILE is defined, |
| 1053 | because it would render the measurements invalid. |
| 1054 | |
| 1055 | |
| 1056 | NOTE: care must be taken that the compiler doesn't try to "optimize" the |
| 1057 | indirect jumps by sharing them between all opcodes. Such optimizations |
| 1058 | can be disabled on gcc by using the -fno-gcse flag (or possibly |
| 1059 | -fno-crossjumping). |
| 1060 | */ |
| 1061 | |
Antoine Pitrou | 042b128 | 2010-08-13 21:15:58 +0000 | [diff] [blame] | 1062 | #ifdef DYNAMIC_EXECUTION_PROFILE |
Antoine Pitrou | b52ec78 | 2009-01-25 16:34:23 +0000 | [diff] [blame] | 1063 | #undef USE_COMPUTED_GOTOS |
Antoine Pitrou | 042b128 | 2010-08-13 21:15:58 +0000 | [diff] [blame] | 1064 | #define USE_COMPUTED_GOTOS 0 |
Antoine Pitrou | b52ec78 | 2009-01-25 16:34:23 +0000 | [diff] [blame] | 1065 | #endif |
| 1066 | |
Antoine Pitrou | 042b128 | 2010-08-13 21:15:58 +0000 | [diff] [blame] | 1067 | #ifdef HAVE_COMPUTED_GOTOS |
| 1068 | #ifndef USE_COMPUTED_GOTOS |
| 1069 | #define USE_COMPUTED_GOTOS 1 |
| 1070 | #endif |
| 1071 | #else |
| 1072 | #if defined(USE_COMPUTED_GOTOS) && USE_COMPUTED_GOTOS |
| 1073 | #error "Computed gotos are not supported on this compiler." |
| 1074 | #endif |
| 1075 | #undef USE_COMPUTED_GOTOS |
| 1076 | #define USE_COMPUTED_GOTOS 0 |
| 1077 | #endif |
| 1078 | |
| 1079 | #if USE_COMPUTED_GOTOS |
Antoine Pitrou | b52ec78 | 2009-01-25 16:34:23 +0000 | [diff] [blame] | 1080 | /* Import the static jump table */ |
| 1081 | #include "opcode_targets.h" |
| 1082 | |
Antoine Pitrou | b52ec78 | 2009-01-25 16:34:23 +0000 | [diff] [blame] | 1083 | #define TARGET(op) \ |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1084 | op: \ |
| 1085 | TARGET_##op |
Antoine Pitrou | b52ec78 | 2009-01-25 16:34:23 +0000 | [diff] [blame] | 1086 | |
Antoine Pitrou | b52ec78 | 2009-01-25 16:34:23 +0000 | [diff] [blame] | 1087 | #ifdef LLTRACE |
| 1088 | #define FAST_DISPATCH() \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1089 | { \ |
Victor Stinner | dab8423 | 2020-03-17 18:56:44 +0100 | [diff] [blame] | 1090 | if (!lltrace && !_Py_TracingPossible(ceval2) && !PyDTrace_LINE_ENABLED()) { \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1091 | f->f_lasti = INSTR_OFFSET(); \ |
Serhiy Storchaka | f60bf5f | 2016-05-25 20:02:01 +0300 | [diff] [blame] | 1092 | NEXTOPARG(); \ |
Serhiy Storchaka | b0f80b0 | 2016-05-24 09:15:14 +0300 | [diff] [blame] | 1093 | goto *opcode_targets[opcode]; \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1094 | } \ |
| 1095 | goto fast_next_opcode; \ |
| 1096 | } |
Antoine Pitrou | b52ec78 | 2009-01-25 16:34:23 +0000 | [diff] [blame] | 1097 | #else |
| 1098 | #define FAST_DISPATCH() \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1099 | { \ |
Victor Stinner | dab8423 | 2020-03-17 18:56:44 +0100 | [diff] [blame] | 1100 | if (!_Py_TracingPossible(ceval2) && !PyDTrace_LINE_ENABLED()) { \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1101 | f->f_lasti = INSTR_OFFSET(); \ |
Serhiy Storchaka | f60bf5f | 2016-05-25 20:02:01 +0300 | [diff] [blame] | 1102 | NEXTOPARG(); \ |
Serhiy Storchaka | b0f80b0 | 2016-05-24 09:15:14 +0300 | [diff] [blame] | 1103 | goto *opcode_targets[opcode]; \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1104 | } \ |
| 1105 | goto fast_next_opcode; \ |
| 1106 | } |
Antoine Pitrou | b52ec78 | 2009-01-25 16:34:23 +0000 | [diff] [blame] | 1107 | #endif |
| 1108 | |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 1109 | #define DISPATCH() \ |
| 1110 | { \ |
| 1111 | if (!_Py_atomic_load_relaxed(eval_breaker)) { \ |
| 1112 | FAST_DISPATCH(); \ |
| 1113 | } \ |
| 1114 | continue; \ |
| 1115 | } |
| 1116 | |
Antoine Pitrou | b52ec78 | 2009-01-25 16:34:23 +0000 | [diff] [blame] | 1117 | #else |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1118 | #define TARGET(op) op |
Antoine Pitrou | b52ec78 | 2009-01-25 16:34:23 +0000 | [diff] [blame] | 1119 | #define FAST_DISPATCH() goto fast_next_opcode |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 1120 | #define DISPATCH() continue |
Antoine Pitrou | b52ec78 | 2009-01-25 16:34:23 +0000 | [diff] [blame] | 1121 | #endif |
| 1122 | |
| 1123 | |
Neal Norwitz | a81d220 | 2002-07-14 00:27:26 +0000 | [diff] [blame] | 1124 | /* Tuple access macros */ |
| 1125 | |
| 1126 | #ifndef Py_DEBUG |
| 1127 | #define GETITEM(v, i) PyTuple_GET_ITEM((PyTupleObject *)(v), (i)) |
| 1128 | #else |
| 1129 | #define GETITEM(v, i) PyTuple_GetItem((v), (i)) |
| 1130 | #endif |
| 1131 | |
Guido van Rossum | 374a922 | 1991-04-04 10:40:29 +0000 | [diff] [blame] | 1132 | /* Code access macros */ |
| 1133 | |
Serhiy Storchaka | f60bf5f | 2016-05-25 20:02:01 +0300 | [diff] [blame] | 1134 | /* The integer overflow is checked by an assertion below. */ |
Eric Snow | 2ebc5ce | 2017-09-07 23:51:28 -0600 | [diff] [blame] | 1135 | #define INSTR_OFFSET() \ |
| 1136 | (sizeof(_Py_CODEUNIT) * (int)(next_instr - first_instr)) |
Serhiy Storchaka | f60bf5f | 2016-05-25 20:02:01 +0300 | [diff] [blame] | 1137 | #define NEXTOPARG() do { \ |
Serhiy Storchaka | ab87400 | 2016-09-11 13:48:15 +0300 | [diff] [blame] | 1138 | _Py_CODEUNIT word = *next_instr; \ |
| 1139 | opcode = _Py_OPCODE(word); \ |
| 1140 | oparg = _Py_OPARG(word); \ |
Serhiy Storchaka | f60bf5f | 2016-05-25 20:02:01 +0300 | [diff] [blame] | 1141 | next_instr++; \ |
| 1142 | } while (0) |
Serhiy Storchaka | ab87400 | 2016-09-11 13:48:15 +0300 | [diff] [blame] | 1143 | #define JUMPTO(x) (next_instr = first_instr + (x) / sizeof(_Py_CODEUNIT)) |
| 1144 | #define JUMPBY(x) (next_instr += (x) / sizeof(_Py_CODEUNIT)) |
Guido van Rossum | 374a922 | 1991-04-04 10:40:29 +0000 | [diff] [blame] | 1145 | |
Raymond Hettinger | f606f87 | 2003-03-16 03:11:04 +0000 | [diff] [blame] | 1146 | /* OpCode prediction macros |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1147 | Some opcodes tend to come in pairs thus making it possible to |
| 1148 | predict the second code when the first is run. For example, |
Serhiy Storchaka | da9c513 | 2016-06-27 18:58:57 +0300 | [diff] [blame] | 1149 | COMPARE_OP is often followed by POP_JUMP_IF_FALSE or POP_JUMP_IF_TRUE. |
Raymond Hettinger | f606f87 | 2003-03-16 03:11:04 +0000 | [diff] [blame] | 1150 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1151 | Verifying the prediction costs a single high-speed test of a register |
| 1152 | variable against a constant. If the pairing was good, then the |
| 1153 | processor's own internal branch predication has a high likelihood of |
| 1154 | success, resulting in a nearly zero-overhead transition to the |
| 1155 | next opcode. A successful prediction saves a trip through the eval-loop |
Serhiy Storchaka | b0f80b0 | 2016-05-24 09:15:14 +0300 | [diff] [blame] | 1156 | including its unpredictable switch-case branch. Combined with the |
| 1157 | processor's internal branch prediction, a successful PREDICT has the |
| 1158 | effect of making the two opcodes run as if they were a single new opcode |
| 1159 | with the bodies combined. |
Raymond Hettinger | f606f87 | 2003-03-16 03:11:04 +0000 | [diff] [blame] | 1160 | |
Georg Brandl | 86b2fb9 | 2008-07-16 03:43:04 +0000 | [diff] [blame] | 1161 | If collecting opcode statistics, your choices are to either keep the |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1162 | predictions turned-on and interpret the results as if some opcodes |
| 1163 | had been combined or turn-off predictions so that the opcode frequency |
| 1164 | counter updates for both opcodes. |
Antoine Pitrou | b52ec78 | 2009-01-25 16:34:23 +0000 | [diff] [blame] | 1165 | |
| 1166 | Opcode prediction is disabled with threaded code, since the latter allows |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1167 | the CPU to record separate branch prediction information for each |
| 1168 | opcode. |
Antoine Pitrou | b52ec78 | 2009-01-25 16:34:23 +0000 | [diff] [blame] | 1169 | |
Raymond Hettinger | f606f87 | 2003-03-16 03:11:04 +0000 | [diff] [blame] | 1170 | */ |
| 1171 | |
Denis Chernikov | baf29b2 | 2020-02-21 12:17:50 +0300 | [diff] [blame] | 1172 | #define PREDICT_ID(op) PRED_##op |
| 1173 | |
Antoine Pitrou | 042b128 | 2010-08-13 21:15:58 +0000 | [diff] [blame] | 1174 | #if defined(DYNAMIC_EXECUTION_PROFILE) || USE_COMPUTED_GOTOS |
Denis Chernikov | baf29b2 | 2020-02-21 12:17:50 +0300 | [diff] [blame] | 1175 | #define PREDICT(op) if (0) goto PREDICT_ID(op) |
Raymond Hettinger | a721698 | 2004-02-08 19:59:27 +0000 | [diff] [blame] | 1176 | #else |
Serhiy Storchaka | b0f80b0 | 2016-05-24 09:15:14 +0300 | [diff] [blame] | 1177 | #define PREDICT(op) \ |
Denis Chernikov | baf29b2 | 2020-02-21 12:17:50 +0300 | [diff] [blame] | 1178 | do { \ |
Serhiy Storchaka | ab87400 | 2016-09-11 13:48:15 +0300 | [diff] [blame] | 1179 | _Py_CODEUNIT word = *next_instr; \ |
| 1180 | opcode = _Py_OPCODE(word); \ |
Denis Chernikov | baf29b2 | 2020-02-21 12:17:50 +0300 | [diff] [blame] | 1181 | if (opcode == op) { \ |
Serhiy Storchaka | ab87400 | 2016-09-11 13:48:15 +0300 | [diff] [blame] | 1182 | oparg = _Py_OPARG(word); \ |
Serhiy Storchaka | f60bf5f | 2016-05-25 20:02:01 +0300 | [diff] [blame] | 1183 | next_instr++; \ |
Denis Chernikov | baf29b2 | 2020-02-21 12:17:50 +0300 | [diff] [blame] | 1184 | goto PREDICT_ID(op); \ |
Serhiy Storchaka | b0f80b0 | 2016-05-24 09:15:14 +0300 | [diff] [blame] | 1185 | } \ |
| 1186 | } while(0) |
Antoine Pitrou | b52ec78 | 2009-01-25 16:34:23 +0000 | [diff] [blame] | 1187 | #endif |
Denis Chernikov | baf29b2 | 2020-02-21 12:17:50 +0300 | [diff] [blame] | 1188 | #define PREDICTED(op) PREDICT_ID(op): |
Antoine Pitrou | b52ec78 | 2009-01-25 16:34:23 +0000 | [diff] [blame] | 1189 | |
Raymond Hettinger | f606f87 | 2003-03-16 03:11:04 +0000 | [diff] [blame] | 1190 | |
Guido van Rossum | 374a922 | 1991-04-04 10:40:29 +0000 | [diff] [blame] | 1191 | /* Stack manipulation macros */ |
| 1192 | |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 1193 | /* The stack can grow at most MAXINT deep, as co_nlocals and |
| 1194 | co_stacksize are ints. */ |
Stefan Krah | b7e1010 | 2010-06-23 18:42:39 +0000 | [diff] [blame] | 1195 | #define STACK_LEVEL() ((int)(stack_pointer - f->f_valuestack)) |
| 1196 | #define EMPTY() (STACK_LEVEL() == 0) |
| 1197 | #define TOP() (stack_pointer[-1]) |
| 1198 | #define SECOND() (stack_pointer[-2]) |
| 1199 | #define THIRD() (stack_pointer[-3]) |
| 1200 | #define FOURTH() (stack_pointer[-4]) |
| 1201 | #define PEEK(n) (stack_pointer[-(n)]) |
| 1202 | #define SET_TOP(v) (stack_pointer[-1] = (v)) |
| 1203 | #define SET_SECOND(v) (stack_pointer[-2] = (v)) |
| 1204 | #define SET_THIRD(v) (stack_pointer[-3] = (v)) |
| 1205 | #define SET_FOURTH(v) (stack_pointer[-4] = (v)) |
Stefan Krah | b7e1010 | 2010-06-23 18:42:39 +0000 | [diff] [blame] | 1206 | #define BASIC_STACKADJ(n) (stack_pointer += n) |
| 1207 | #define BASIC_PUSH(v) (*stack_pointer++ = (v)) |
| 1208 | #define BASIC_POP() (*--stack_pointer) |
Guido van Rossum | 374a922 | 1991-04-04 10:40:29 +0000 | [diff] [blame] | 1209 | |
Guido van Rossum | 96a42c8 | 1992-01-12 02:29:51 +0000 | [diff] [blame] | 1210 | #ifdef LLTRACE |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1211 | #define PUSH(v) { (void)(BASIC_PUSH(v), \ |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 1212 | lltrace && prtrace(tstate, TOP(), "push")); \ |
Stefan Krah | b7e1010 | 2010-06-23 18:42:39 +0000 | [diff] [blame] | 1213 | assert(STACK_LEVEL() <= co->co_stacksize); } |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 1214 | #define POP() ((void)(lltrace && prtrace(tstate, TOP(), "pop")), \ |
Stefan Krah | b7e1010 | 2010-06-23 18:42:39 +0000 | [diff] [blame] | 1215 | BASIC_POP()) |
costypetrisor | 8ed317f | 2018-07-31 20:55:14 +0000 | [diff] [blame] | 1216 | #define STACK_GROW(n) do { \ |
| 1217 | assert(n >= 0); \ |
| 1218 | (void)(BASIC_STACKADJ(n), \ |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 1219 | lltrace && prtrace(tstate, TOP(), "stackadj")); \ |
costypetrisor | 8ed317f | 2018-07-31 20:55:14 +0000 | [diff] [blame] | 1220 | assert(STACK_LEVEL() <= co->co_stacksize); \ |
| 1221 | } while (0) |
| 1222 | #define STACK_SHRINK(n) do { \ |
| 1223 | assert(n >= 0); \ |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 1224 | (void)(lltrace && prtrace(tstate, TOP(), "stackadj")); \ |
costypetrisor | 8ed317f | 2018-07-31 20:55:14 +0000 | [diff] [blame] | 1225 | (void)(BASIC_STACKADJ(-n)); \ |
| 1226 | assert(STACK_LEVEL() <= co->co_stacksize); \ |
| 1227 | } while (0) |
Christian Heimes | 0449f63 | 2007-12-15 01:27:15 +0000 | [diff] [blame] | 1228 | #define EXT_POP(STACK_POINTER) ((void)(lltrace && \ |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 1229 | prtrace(tstate, (STACK_POINTER)[-1], "ext_pop")), \ |
Stefan Krah | b7e1010 | 2010-06-23 18:42:39 +0000 | [diff] [blame] | 1230 | *--(STACK_POINTER)) |
Guido van Rossum | 374a922 | 1991-04-04 10:40:29 +0000 | [diff] [blame] | 1231 | #else |
Stefan Krah | b7e1010 | 2010-06-23 18:42:39 +0000 | [diff] [blame] | 1232 | #define PUSH(v) BASIC_PUSH(v) |
| 1233 | #define POP() BASIC_POP() |
costypetrisor | 8ed317f | 2018-07-31 20:55:14 +0000 | [diff] [blame] | 1234 | #define STACK_GROW(n) BASIC_STACKADJ(n) |
| 1235 | #define STACK_SHRINK(n) BASIC_STACKADJ(-n) |
Guido van Rossum | c2e2074 | 2006-02-27 22:32:47 +0000 | [diff] [blame] | 1236 | #define EXT_POP(STACK_POINTER) (*--(STACK_POINTER)) |
Guido van Rossum | 374a922 | 1991-04-04 10:40:29 +0000 | [diff] [blame] | 1237 | #endif |
| 1238 | |
Guido van Rossum | 681d79a | 1995-07-18 14:51:37 +0000 | [diff] [blame] | 1239 | /* Local variable macros */ |
| 1240 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1241 | #define GETLOCAL(i) (fastlocals[i]) |
Guido van Rossum | cfbf1a3 | 2002-03-28 20:17:52 +0000 | [diff] [blame] | 1242 | |
| 1243 | /* The SETLOCAL() macro must not DECREF the local variable in-place and |
| 1244 | then store the new value; it must copy the old value to a temporary |
| 1245 | value, then store the new value, and then DECREF the temporary value. |
| 1246 | This is because it is possible that during the DECREF the frame is |
| 1247 | accessed by other code (e.g. a __del__ method or gc.collect()) and the |
| 1248 | variable would be pointing to already-freed memory. */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1249 | #define SETLOCAL(i, value) do { PyObject *tmp = GETLOCAL(i); \ |
Stefan Krah | b7e1010 | 2010-06-23 18:42:39 +0000 | [diff] [blame] | 1250 | GETLOCAL(i) = value; \ |
| 1251 | Py_XDECREF(tmp); } while (0) |
Guido van Rossum | 681d79a | 1995-07-18 14:51:37 +0000 | [diff] [blame] | 1252 | |
Benjamin Peterson | eec3d71 | 2008-06-11 15:59:43 +0000 | [diff] [blame] | 1253 | |
| 1254 | #define UNWIND_BLOCK(b) \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1255 | while (STACK_LEVEL() > (b)->b_level) { \ |
| 1256 | PyObject *v = POP(); \ |
| 1257 | Py_XDECREF(v); \ |
| 1258 | } |
Benjamin Peterson | eec3d71 | 2008-06-11 15:59:43 +0000 | [diff] [blame] | 1259 | |
| 1260 | #define UNWIND_EXCEPT_HANDLER(b) \ |
Serhiy Storchaka | b0f80b0 | 2016-05-24 09:15:14 +0300 | [diff] [blame] | 1261 | do { \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1262 | PyObject *type, *value, *traceback; \ |
Mark Shannon | ae3087c | 2017-10-22 22:41:51 +0100 | [diff] [blame] | 1263 | _PyErr_StackItem *exc_info; \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1264 | assert(STACK_LEVEL() >= (b)->b_level + 3); \ |
| 1265 | while (STACK_LEVEL() > (b)->b_level + 3) { \ |
| 1266 | value = POP(); \ |
| 1267 | Py_XDECREF(value); \ |
| 1268 | } \ |
Mark Shannon | ae3087c | 2017-10-22 22:41:51 +0100 | [diff] [blame] | 1269 | exc_info = tstate->exc_info; \ |
| 1270 | type = exc_info->exc_type; \ |
| 1271 | value = exc_info->exc_value; \ |
| 1272 | traceback = exc_info->exc_traceback; \ |
| 1273 | exc_info->exc_type = POP(); \ |
| 1274 | exc_info->exc_value = POP(); \ |
| 1275 | exc_info->exc_traceback = POP(); \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1276 | Py_XDECREF(type); \ |
| 1277 | Py_XDECREF(value); \ |
| 1278 | Py_XDECREF(traceback); \ |
Serhiy Storchaka | b0f80b0 | 2016-05-24 09:15:14 +0300 | [diff] [blame] | 1279 | } while(0) |
Benjamin Peterson | eec3d71 | 2008-06-11 15:59:43 +0000 | [diff] [blame] | 1280 | |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 1281 | /* macros for opcode cache */ |
| 1282 | #define OPCACHE_CHECK() \ |
| 1283 | do { \ |
| 1284 | co_opcache = NULL; \ |
| 1285 | if (co->co_opcache != NULL) { \ |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 1286 | unsigned char co_opcache_offset = \ |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 1287 | co->co_opcache_map[next_instr - first_instr]; \ |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 1288 | if (co_opcache_offset > 0) { \ |
| 1289 | assert(co_opcache_offset <= co->co_opcache_size); \ |
| 1290 | co_opcache = &co->co_opcache[co_opcache_offset - 1]; \ |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 1291 | assert(co_opcache != NULL); \ |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 1292 | } \ |
| 1293 | } \ |
| 1294 | } while (0) |
| 1295 | |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 1296 | #define OPCACHE_DEOPT() \ |
| 1297 | do { \ |
| 1298 | if (co_opcache != NULL) { \ |
| 1299 | co_opcache->optimized = -1; \ |
| 1300 | unsigned char co_opcache_offset = \ |
| 1301 | co->co_opcache_map[next_instr - first_instr]; \ |
| 1302 | assert(co_opcache_offset <= co->co_opcache_size); \ |
| 1303 | co->co_opcache_map[co_opcache_offset] = 0; \ |
| 1304 | co_opcache = NULL; \ |
| 1305 | } \ |
| 1306 | } while (0) |
| 1307 | |
| 1308 | #define OPCACHE_DEOPT_LOAD_ATTR() \ |
| 1309 | do { \ |
| 1310 | if (co_opcache != NULL) { \ |
| 1311 | OPCACHE_STAT_ATTR_DEOPT(); \ |
| 1312 | OPCACHE_DEOPT(); \ |
| 1313 | } \ |
| 1314 | } while (0) |
| 1315 | |
| 1316 | #define OPCACHE_MAYBE_DEOPT_LOAD_ATTR() \ |
| 1317 | do { \ |
| 1318 | if (co_opcache != NULL && --co_opcache->optimized <= 0) { \ |
| 1319 | OPCACHE_DEOPT_LOAD_ATTR(); \ |
| 1320 | } \ |
| 1321 | } while (0) |
| 1322 | |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 1323 | #if OPCACHE_STATS |
| 1324 | |
| 1325 | #define OPCACHE_STAT_GLOBAL_HIT() \ |
| 1326 | do { \ |
| 1327 | if (co->co_opcache != NULL) opcache_global_hits++; \ |
| 1328 | } while (0) |
| 1329 | |
| 1330 | #define OPCACHE_STAT_GLOBAL_MISS() \ |
| 1331 | do { \ |
| 1332 | if (co->co_opcache != NULL) opcache_global_misses++; \ |
| 1333 | } while (0) |
| 1334 | |
| 1335 | #define OPCACHE_STAT_GLOBAL_OPT() \ |
| 1336 | do { \ |
| 1337 | if (co->co_opcache != NULL) opcache_global_opts++; \ |
| 1338 | } while (0) |
| 1339 | |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 1340 | #define OPCACHE_STAT_ATTR_HIT() \ |
| 1341 | do { \ |
| 1342 | if (co->co_opcache != NULL) opcache_attr_hits++; \ |
| 1343 | } while (0) |
| 1344 | |
| 1345 | #define OPCACHE_STAT_ATTR_MISS() \ |
| 1346 | do { \ |
| 1347 | if (co->co_opcache != NULL) opcache_attr_misses++; \ |
| 1348 | } while (0) |
| 1349 | |
| 1350 | #define OPCACHE_STAT_ATTR_OPT() \ |
| 1351 | do { \ |
| 1352 | if (co->co_opcache!= NULL) opcache_attr_opts++; \ |
| 1353 | } while (0) |
| 1354 | |
| 1355 | #define OPCACHE_STAT_ATTR_DEOPT() \ |
| 1356 | do { \ |
| 1357 | if (co->co_opcache != NULL) opcache_attr_deopts++; \ |
| 1358 | } while (0) |
| 1359 | |
| 1360 | #define OPCACHE_STAT_ATTR_TOTAL() \ |
| 1361 | do { \ |
| 1362 | if (co->co_opcache != NULL) opcache_attr_total++; \ |
| 1363 | } while (0) |
| 1364 | |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 1365 | #else /* OPCACHE_STATS */ |
| 1366 | |
| 1367 | #define OPCACHE_STAT_GLOBAL_HIT() |
| 1368 | #define OPCACHE_STAT_GLOBAL_MISS() |
| 1369 | #define OPCACHE_STAT_GLOBAL_OPT() |
| 1370 | |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 1371 | #define OPCACHE_STAT_ATTR_HIT() |
| 1372 | #define OPCACHE_STAT_ATTR_MISS() |
| 1373 | #define OPCACHE_STAT_ATTR_OPT() |
| 1374 | #define OPCACHE_STAT_ATTR_DEOPT() |
| 1375 | #define OPCACHE_STAT_ATTR_TOTAL() |
| 1376 | |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 1377 | #endif |
| 1378 | |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 1379 | /* Start of code */ |
| 1380 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1381 | /* push frame */ |
Victor Stinner | be434dc | 2019-11-05 00:51:22 +0100 | [diff] [blame] | 1382 | if (_Py_EnterRecursiveCall(tstate, "")) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1383 | return NULL; |
Victor Stinner | be434dc | 2019-11-05 00:51:22 +0100 | [diff] [blame] | 1384 | } |
Guido van Rossum | 8861b74 | 1996-07-30 16:49:37 +0000 | [diff] [blame] | 1385 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1386 | tstate->frame = f; |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 1387 | co = f->f_code; |
| 1388 | PyCodeAddressRange bounds; |
| 1389 | _PyCode_InitAddressRange(co, &bounds); |
Tim Peters | 5ca576e | 2001-06-18 22:08:13 +0000 | [diff] [blame] | 1390 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1391 | if (tstate->use_tracing) { |
| 1392 | if (tstate->c_tracefunc != NULL) { |
| 1393 | /* tstate->c_tracefunc, if defined, is a |
| 1394 | function that will be called on *every* entry |
| 1395 | to a code block. Its return value, if not |
| 1396 | None, is a function that will be called at |
| 1397 | the start of each executed line of code. |
| 1398 | (Actually, the function must return itself |
| 1399 | in order to continue tracing.) The trace |
| 1400 | functions are called with three arguments: |
| 1401 | a pointer to the current frame, a string |
| 1402 | indicating why the function is called, and |
| 1403 | an argument which depends on the situation. |
| 1404 | The global trace function is also called |
| 1405 | whenever an exception is detected. */ |
| 1406 | if (call_trace_protected(tstate->c_tracefunc, |
| 1407 | tstate->c_traceobj, |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 1408 | tstate, f, &bounds, |
| 1409 | PyTrace_CALL, Py_None)) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1410 | /* Trace function raised an error */ |
| 1411 | goto exit_eval_frame; |
| 1412 | } |
| 1413 | } |
| 1414 | if (tstate->c_profilefunc != NULL) { |
| 1415 | /* Similar for c_profilefunc, except it needn't |
| 1416 | return itself and isn't called for "line" events */ |
| 1417 | if (call_trace_protected(tstate->c_profilefunc, |
| 1418 | tstate->c_profileobj, |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 1419 | tstate, f, &bounds, |
| 1420 | PyTrace_CALL, Py_None)) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1421 | /* Profile function raised an error */ |
| 1422 | goto exit_eval_frame; |
| 1423 | } |
| 1424 | } |
| 1425 | } |
Neil Schemenauer | 6c0f200 | 2001-09-04 19:03:35 +0000 | [diff] [blame] | 1426 | |
Łukasz Langa | a785c87 | 2016-09-09 17:37:37 -0700 | [diff] [blame] | 1427 | if (PyDTrace_FUNCTION_ENTRY_ENABLED()) |
| 1428 | dtrace_function_entry(f); |
| 1429 | |
Mark Shannon | 877df85 | 2020-11-12 09:43:29 +0000 | [diff] [blame] | 1430 | int instr_prev = -1; |
| 1431 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1432 | names = co->co_names; |
| 1433 | consts = co->co_consts; |
| 1434 | fastlocals = f->f_localsplus; |
| 1435 | freevars = f->f_localsplus + co->co_nlocals; |
Serhiy Storchaka | f60bf5f | 2016-05-25 20:02:01 +0300 | [diff] [blame] | 1436 | assert(PyBytes_Check(co->co_code)); |
| 1437 | assert(PyBytes_GET_SIZE(co->co_code) <= INT_MAX); |
Serhiy Storchaka | ab87400 | 2016-09-11 13:48:15 +0300 | [diff] [blame] | 1438 | assert(PyBytes_GET_SIZE(co->co_code) % sizeof(_Py_CODEUNIT) == 0); |
| 1439 | assert(_Py_IS_ALIGNED(PyBytes_AS_STRING(co->co_code), sizeof(_Py_CODEUNIT))); |
| 1440 | first_instr = (_Py_CODEUNIT *) PyBytes_AS_STRING(co->co_code); |
Serhiy Storchaka | b0f80b0 | 2016-05-24 09:15:14 +0300 | [diff] [blame] | 1441 | /* |
| 1442 | f->f_lasti refers to the index of the last instruction, |
| 1443 | unless it's -1 in which case next_instr should be first_instr. |
Michael W. Hudson | 019a78e | 2002-11-08 12:53:11 +0000 | [diff] [blame] | 1444 | |
Serhiy Storchaka | b0f80b0 | 2016-05-24 09:15:14 +0300 | [diff] [blame] | 1445 | YIELD_FROM sets f_lasti to itself, in order to repeatedly yield |
Benjamin Peterson | 2afe6ae | 2012-03-15 15:37:39 -0500 | [diff] [blame] | 1446 | multiple values. |
Thomas Wouters | 902d6eb | 2007-01-09 23:18:33 +0000 | [diff] [blame] | 1447 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1448 | When the PREDICT() macros are enabled, some opcode pairs follow in |
| 1449 | direct succession without updating f->f_lasti. A successful |
| 1450 | prediction effectively links the two codes together as if they |
| 1451 | were a single new opcode; accordingly,f->f_lasti will point to |
| 1452 | the first code in the pair (for instance, GET_ITER followed by |
| 1453 | FOR_ITER is effectively a single opcode and f->f_lasti will point |
Serhiy Storchaka | b0f80b0 | 2016-05-24 09:15:14 +0300 | [diff] [blame] | 1454 | to the beginning of the combined pair.) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1455 | */ |
Serhiy Storchaka | ab87400 | 2016-09-11 13:48:15 +0300 | [diff] [blame] | 1456 | assert(f->f_lasti >= -1); |
Serhiy Storchaka | b0f80b0 | 2016-05-24 09:15:14 +0300 | [diff] [blame] | 1457 | next_instr = first_instr; |
| 1458 | if (f->f_lasti >= 0) { |
Serhiy Storchaka | ab87400 | 2016-09-11 13:48:15 +0300 | [diff] [blame] | 1459 | assert(f->f_lasti % sizeof(_Py_CODEUNIT) == 0); |
| 1460 | next_instr += f->f_lasti / sizeof(_Py_CODEUNIT) + 1; |
Serhiy Storchaka | b0f80b0 | 2016-05-24 09:15:14 +0300 | [diff] [blame] | 1461 | } |
Mark Shannon | cb9879b | 2020-07-17 11:44:23 +0100 | [diff] [blame] | 1462 | stack_pointer = f->f_valuestack + f->f_stackdepth; |
| 1463 | /* Set f->f_stackdepth to -1. |
| 1464 | * Update when returning or calling trace function. |
| 1465 | Having f_stackdepth <= 0 ensures that invalid |
| 1466 | values are not visible to the cycle GC. |
| 1467 | We choose -1 rather than 0 to assist debugging. |
| 1468 | */ |
| 1469 | f->f_stackdepth = -1; |
| 1470 | f->f_state = FRAME_EXECUTING; |
Michael W. Hudson | 019a78e | 2002-11-08 12:53:11 +0000 | [diff] [blame] | 1471 | |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 1472 | if (co->co_opcache_flag < OPCACHE_MIN_RUNS) { |
| 1473 | co->co_opcache_flag++; |
| 1474 | if (co->co_opcache_flag == OPCACHE_MIN_RUNS) { |
| 1475 | if (_PyCode_InitOpcache(co) < 0) { |
Victor Stinner | 2510494 | 2020-04-24 02:43:18 +0200 | [diff] [blame] | 1476 | goto exit_eval_frame; |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 1477 | } |
| 1478 | #if OPCACHE_STATS |
| 1479 | opcache_code_objects_extra_mem += |
| 1480 | PyBytes_Size(co->co_code) / sizeof(_Py_CODEUNIT) + |
| 1481 | sizeof(_PyOpcache) * co->co_opcache_size; |
| 1482 | opcache_code_objects++; |
| 1483 | #endif |
| 1484 | } |
| 1485 | } |
Benjamin Peterson | eec3d71 | 2008-06-11 15:59:43 +0000 | [diff] [blame] | 1486 | |
Tim Peters | 5ca576e | 2001-06-18 22:08:13 +0000 | [diff] [blame] | 1487 | #ifdef LLTRACE |
Serhiy Storchaka | fb5db7e | 2020-10-26 08:43:39 +0200 | [diff] [blame] | 1488 | { |
| 1489 | int r = _PyDict_ContainsId(f->f_globals, &PyId___ltrace__); |
| 1490 | if (r < 0) { |
| 1491 | goto exit_eval_frame; |
| 1492 | } |
| 1493 | lltrace = r; |
| 1494 | } |
Tim Peters | 5ca576e | 2001-06-18 22:08:13 +0000 | [diff] [blame] | 1495 | #endif |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1496 | |
Serhiy Storchaka | fb5db7e | 2020-10-26 08:43:39 +0200 | [diff] [blame] | 1497 | if (throwflag) { /* support for generator.throw() */ |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1498 | goto error; |
Serhiy Storchaka | fb5db7e | 2020-10-26 08:43:39 +0200 | [diff] [blame] | 1499 | } |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 1500 | |
Victor Stinner | ace47d7 | 2013-07-18 01:41:08 +0200 | [diff] [blame] | 1501 | #ifdef Py_DEBUG |
Victor Stinner | 0b72b23 | 2020-03-12 23:18:39 +0100 | [diff] [blame] | 1502 | /* _PyEval_EvalFrameDefault() must not be called with an exception set, |
Victor Stinner | a8cb515 | 2017-01-18 14:12:51 +0100 | [diff] [blame] | 1503 | because it can clear it (directly or indirectly) and so the |
Martin Panter | 9955a37 | 2015-10-07 10:26:23 +0000 | [diff] [blame] | 1504 | caller loses its exception */ |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 1505 | assert(!_PyErr_Occurred(tstate)); |
Victor Stinner | ace47d7 | 2013-07-18 01:41:08 +0200 | [diff] [blame] | 1506 | #endif |
| 1507 | |
Serhiy Storchaka | 520b7ae | 2018-02-22 23:33:30 +0200 | [diff] [blame] | 1508 | main_loop: |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1509 | for (;;) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1510 | assert(stack_pointer >= f->f_valuestack); /* else underflow */ |
| 1511 | assert(STACK_LEVEL() <= co->co_stacksize); /* else overflow */ |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 1512 | assert(!_PyErr_Occurred(tstate)); |
Michael W. Hudson | dd32a91 | 2002-08-15 14:59:02 +0000 | [diff] [blame] | 1513 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1514 | /* Do periodic things. Doing this every time through |
| 1515 | the loop would add too much overhead, so we do it |
| 1516 | only every Nth instruction. We also do it if |
Chris Jerdonek | 4a12d12 | 2020-05-14 19:25:45 -0700 | [diff] [blame] | 1517 | ``pending.calls_to_do'' is set, i.e. when an asynchronous |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1518 | event needs attention (e.g. a signal handler or |
| 1519 | async I/O handler); see Py_AddPendingCall() and |
| 1520 | Py_MakePendingCalls() above. */ |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1521 | |
Eric Snow | 7bda9de | 2019-03-08 17:25:54 -0700 | [diff] [blame] | 1522 | if (_Py_atomic_load_relaxed(eval_breaker)) { |
Serhiy Storchaka | 3f4d90d | 2018-07-09 15:40:14 +0300 | [diff] [blame] | 1523 | opcode = _Py_OPCODE(*next_instr); |
| 1524 | if (opcode == SETUP_FINALLY || |
| 1525 | opcode == SETUP_WITH || |
| 1526 | opcode == BEFORE_ASYNC_WITH || |
| 1527 | opcode == YIELD_FROM) { |
| 1528 | /* Few cases where we skip running signal handlers and other |
Nathaniel J. Smith | ab4413a | 2017-05-17 13:33:23 -0700 | [diff] [blame] | 1529 | pending calls: |
Serhiy Storchaka | 3f4d90d | 2018-07-09 15:40:14 +0300 | [diff] [blame] | 1530 | - If we're about to enter the 'with:'. It will prevent |
| 1531 | emitting a resource warning in the common idiom |
| 1532 | 'with open(path) as file:'. |
| 1533 | - If we're about to enter the 'async with:'. |
| 1534 | - If we're about to enter the 'try:' of a try/finally (not |
Nathaniel J. Smith | ab4413a | 2017-05-17 13:33:23 -0700 | [diff] [blame] | 1535 | *very* useful, but might help in some cases and it's |
| 1536 | traditional) |
| 1537 | - If we're resuming a chain of nested 'yield from' or |
| 1538 | 'await' calls, then each frame is parked with YIELD_FROM |
| 1539 | as its next opcode. If the user hit control-C we want to |
| 1540 | wait until we've reached the innermost frame before |
| 1541 | running the signal handler and raising KeyboardInterrupt |
| 1542 | (see bpo-30039). |
| 1543 | */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1544 | goto fast_next_opcode; |
| 1545 | } |
Eric Snow | fdf282d | 2019-01-11 14:26:55 -0700 | [diff] [blame] | 1546 | |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 1547 | if (eval_frame_handle_pending(tstate) != 0) { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1548 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1549 | } |
| 1550 | } |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1551 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1552 | fast_next_opcode: |
| 1553 | f->f_lasti = INSTR_OFFSET(); |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1554 | |
Łukasz Langa | a785c87 | 2016-09-09 17:37:37 -0700 | [diff] [blame] | 1555 | if (PyDTrace_LINE_ENABLED()) |
Mark Shannon | 877df85 | 2020-11-12 09:43:29 +0000 | [diff] [blame] | 1556 | maybe_dtrace_line(f, &bounds, &instr_prev); |
Łukasz Langa | a785c87 | 2016-09-09 17:37:37 -0700 | [diff] [blame] | 1557 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1558 | /* line-by-line tracing support */ |
Michael W. Hudson | 019a78e | 2002-11-08 12:53:11 +0000 | [diff] [blame] | 1559 | |
Victor Stinner | dab8423 | 2020-03-17 18:56:44 +0100 | [diff] [blame] | 1560 | if (_Py_TracingPossible(ceval2) && |
Benjamin Peterson | 51f4616 | 2013-01-23 08:38:47 -0500 | [diff] [blame] | 1561 | tstate->c_tracefunc != NULL && !tstate->tracing) { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1562 | int err; |
Victor Stinner | b7d8d8d | 2020-09-23 14:07:16 +0200 | [diff] [blame] | 1563 | /* see maybe_call_line_trace() |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1564 | for expository comments */ |
Victor Stinner | b7d8d8d | 2020-09-23 14:07:16 +0200 | [diff] [blame] | 1565 | f->f_stackdepth = (int)(stack_pointer - f->f_valuestack); |
Tim Peters | 8a5c3c7 | 2004-04-05 19:36:21 +0000 | [diff] [blame] | 1566 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1567 | err = maybe_call_line_trace(tstate->c_tracefunc, |
| 1568 | tstate->c_traceobj, |
Victor Stinner | fdeb6ec | 2013-12-13 02:01:38 +0100 | [diff] [blame] | 1569 | tstate, f, |
Mark Shannon | 877df85 | 2020-11-12 09:43:29 +0000 | [diff] [blame] | 1570 | &bounds, &instr_prev); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1571 | /* Reload possibly changed frame fields */ |
| 1572 | JUMPTO(f->f_lasti); |
Mark Shannon | cb9879b | 2020-07-17 11:44:23 +0100 | [diff] [blame] | 1573 | stack_pointer = f->f_valuestack+f->f_stackdepth; |
| 1574 | f->f_stackdepth = -1; |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1575 | if (err) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1576 | /* trace function raised an exception */ |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1577 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1578 | } |
Michael W. Hudson | 019a78e | 2002-11-08 12:53:11 +0000 | [diff] [blame] | 1579 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1580 | /* Extract opcode and argument */ |
Michael W. Hudson | 019a78e | 2002-11-08 12:53:11 +0000 | [diff] [blame] | 1581 | |
Serhiy Storchaka | f60bf5f | 2016-05-25 20:02:01 +0300 | [diff] [blame] | 1582 | NEXTOPARG(); |
Stefan Krah | b7e1010 | 2010-06-23 18:42:39 +0000 | [diff] [blame] | 1583 | dispatch_opcode: |
Guido van Rossum | 950361c | 1997-01-24 13:49:28 +0000 | [diff] [blame] | 1584 | #ifdef DYNAMIC_EXECUTION_PROFILE |
| 1585 | #ifdef DXPAIRS |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1586 | dxpairs[lastopcode][opcode]++; |
| 1587 | lastopcode = opcode; |
Guido van Rossum | 950361c | 1997-01-24 13:49:28 +0000 | [diff] [blame] | 1588 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1589 | dxp[opcode]++; |
Guido van Rossum | 950361c | 1997-01-24 13:49:28 +0000 | [diff] [blame] | 1590 | #endif |
Guido van Rossum | 374a922 | 1991-04-04 10:40:29 +0000 | [diff] [blame] | 1591 | |
Guido van Rossum | 96a42c8 | 1992-01-12 02:29:51 +0000 | [diff] [blame] | 1592 | #ifdef LLTRACE |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1593 | /* Instruction tracing */ |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1594 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1595 | if (lltrace) { |
| 1596 | if (HAS_ARG(opcode)) { |
| 1597 | printf("%d: %d, %d\n", |
| 1598 | f->f_lasti, opcode, oparg); |
| 1599 | } |
| 1600 | else { |
| 1601 | printf("%d: %d\n", |
| 1602 | f->f_lasti, opcode); |
| 1603 | } |
| 1604 | } |
Guido van Rossum | 374a922 | 1991-04-04 10:40:29 +0000 | [diff] [blame] | 1605 | #endif |
Michael W. Hudson | dd32a91 | 2002-08-15 14:59:02 +0000 | [diff] [blame] | 1606 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1607 | switch (opcode) { |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1608 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1609 | /* BEWARE! |
Serhiy Storchaka | 520b7ae | 2018-02-22 23:33:30 +0200 | [diff] [blame] | 1610 | It is essential that any operation that fails must goto error |
| 1611 | and that all operation that succeed call [FAST_]DISPATCH() ! */ |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1612 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1613 | case TARGET(NOP): { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1614 | FAST_DISPATCH(); |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1615 | } |
Raymond Hettinger | 9c18e81 | 2004-06-21 16:31:15 +0000 | [diff] [blame] | 1616 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1617 | case TARGET(LOAD_FAST): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1618 | PyObject *value = GETLOCAL(oparg); |
| 1619 | if (value == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 1620 | format_exc_check_arg(tstate, PyExc_UnboundLocalError, |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1621 | UNBOUNDLOCAL_ERROR_MSG, |
| 1622 | PyTuple_GetItem(co->co_varnames, oparg)); |
| 1623 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1624 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1625 | Py_INCREF(value); |
| 1626 | PUSH(value); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1627 | FAST_DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1628 | } |
| 1629 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1630 | case TARGET(LOAD_CONST): { |
| 1631 | PREDICTED(LOAD_CONST); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1632 | PyObject *value = GETITEM(consts, oparg); |
| 1633 | Py_INCREF(value); |
| 1634 | PUSH(value); |
| 1635 | FAST_DISPATCH(); |
| 1636 | } |
Neil Schemenauer | 6354386 | 2002-02-17 19:10:14 +0000 | [diff] [blame] | 1637 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1638 | case TARGET(STORE_FAST): { |
| 1639 | PREDICTED(STORE_FAST); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1640 | PyObject *value = POP(); |
| 1641 | SETLOCAL(oparg, value); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1642 | FAST_DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1643 | } |
Neil Schemenauer | 6354386 | 2002-02-17 19:10:14 +0000 | [diff] [blame] | 1644 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1645 | case TARGET(POP_TOP): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1646 | PyObject *value = POP(); |
| 1647 | Py_DECREF(value); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1648 | FAST_DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1649 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1650 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1651 | case TARGET(ROT_TWO): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1652 | PyObject *top = TOP(); |
| 1653 | PyObject *second = SECOND(); |
| 1654 | SET_TOP(second); |
| 1655 | SET_SECOND(top); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1656 | FAST_DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1657 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1658 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1659 | case TARGET(ROT_THREE): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1660 | PyObject *top = TOP(); |
| 1661 | PyObject *second = SECOND(); |
| 1662 | PyObject *third = THIRD(); |
| 1663 | SET_TOP(second); |
| 1664 | SET_SECOND(third); |
| 1665 | SET_THIRD(top); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1666 | FAST_DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1667 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1668 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1669 | case TARGET(ROT_FOUR): { |
Serhiy Storchaka | 520b7ae | 2018-02-22 23:33:30 +0200 | [diff] [blame] | 1670 | PyObject *top = TOP(); |
| 1671 | PyObject *second = SECOND(); |
| 1672 | PyObject *third = THIRD(); |
| 1673 | PyObject *fourth = FOURTH(); |
| 1674 | SET_TOP(second); |
| 1675 | SET_SECOND(third); |
| 1676 | SET_THIRD(fourth); |
| 1677 | SET_FOURTH(top); |
| 1678 | FAST_DISPATCH(); |
| 1679 | } |
| 1680 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1681 | case TARGET(DUP_TOP): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1682 | PyObject *top = TOP(); |
| 1683 | Py_INCREF(top); |
| 1684 | PUSH(top); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1685 | FAST_DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1686 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1687 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1688 | case TARGET(DUP_TOP_TWO): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1689 | PyObject *top = TOP(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1690 | PyObject *second = SECOND(); |
Benjamin Peterson | f208df3 | 2012-10-12 11:37:56 -0400 | [diff] [blame] | 1691 | Py_INCREF(top); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1692 | Py_INCREF(second); |
costypetrisor | 8ed317f | 2018-07-31 20:55:14 +0000 | [diff] [blame] | 1693 | STACK_GROW(2); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1694 | SET_TOP(top); |
| 1695 | SET_SECOND(second); |
Antoine Pitrou | 74a69fa | 2010-09-04 18:43:52 +0000 | [diff] [blame] | 1696 | FAST_DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1697 | } |
Thomas Wouters | 434d082 | 2000-08-24 20:11:32 +0000 | [diff] [blame] | 1698 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1699 | case TARGET(UNARY_POSITIVE): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1700 | PyObject *value = TOP(); |
| 1701 | PyObject *res = PyNumber_Positive(value); |
| 1702 | Py_DECREF(value); |
| 1703 | SET_TOP(res); |
| 1704 | if (res == NULL) |
| 1705 | goto error; |
| 1706 | DISPATCH(); |
| 1707 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1708 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1709 | case TARGET(UNARY_NEGATIVE): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1710 | PyObject *value = TOP(); |
| 1711 | PyObject *res = PyNumber_Negative(value); |
| 1712 | Py_DECREF(value); |
| 1713 | SET_TOP(res); |
| 1714 | if (res == NULL) |
| 1715 | goto error; |
| 1716 | DISPATCH(); |
| 1717 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1718 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1719 | case TARGET(UNARY_NOT): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1720 | PyObject *value = TOP(); |
| 1721 | int err = PyObject_IsTrue(value); |
| 1722 | Py_DECREF(value); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1723 | if (err == 0) { |
| 1724 | Py_INCREF(Py_True); |
| 1725 | SET_TOP(Py_True); |
| 1726 | DISPATCH(); |
| 1727 | } |
| 1728 | else if (err > 0) { |
| 1729 | Py_INCREF(Py_False); |
| 1730 | SET_TOP(Py_False); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1731 | DISPATCH(); |
| 1732 | } |
costypetrisor | 8ed317f | 2018-07-31 20:55:14 +0000 | [diff] [blame] | 1733 | STACK_SHRINK(1); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1734 | goto error; |
| 1735 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1736 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1737 | case TARGET(UNARY_INVERT): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1738 | PyObject *value = TOP(); |
| 1739 | PyObject *res = PyNumber_Invert(value); |
| 1740 | Py_DECREF(value); |
| 1741 | SET_TOP(res); |
| 1742 | if (res == NULL) |
| 1743 | goto error; |
| 1744 | DISPATCH(); |
| 1745 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1746 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1747 | case TARGET(BINARY_POWER): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1748 | PyObject *exp = POP(); |
| 1749 | PyObject *base = TOP(); |
| 1750 | PyObject *res = PyNumber_Power(base, exp, Py_None); |
| 1751 | Py_DECREF(base); |
| 1752 | Py_DECREF(exp); |
| 1753 | SET_TOP(res); |
| 1754 | if (res == NULL) |
| 1755 | goto error; |
| 1756 | DISPATCH(); |
| 1757 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1758 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1759 | case TARGET(BINARY_MULTIPLY): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1760 | PyObject *right = POP(); |
| 1761 | PyObject *left = TOP(); |
| 1762 | PyObject *res = PyNumber_Multiply(left, right); |
| 1763 | Py_DECREF(left); |
| 1764 | Py_DECREF(right); |
| 1765 | SET_TOP(res); |
| 1766 | if (res == NULL) |
| 1767 | goto error; |
| 1768 | DISPATCH(); |
| 1769 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1770 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1771 | case TARGET(BINARY_MATRIX_MULTIPLY): { |
Benjamin Peterson | d51374e | 2014-04-09 23:55:56 -0400 | [diff] [blame] | 1772 | PyObject *right = POP(); |
| 1773 | PyObject *left = TOP(); |
| 1774 | PyObject *res = PyNumber_MatrixMultiply(left, right); |
| 1775 | Py_DECREF(left); |
| 1776 | Py_DECREF(right); |
| 1777 | SET_TOP(res); |
| 1778 | if (res == NULL) |
| 1779 | goto error; |
| 1780 | DISPATCH(); |
| 1781 | } |
| 1782 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1783 | case TARGET(BINARY_TRUE_DIVIDE): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1784 | PyObject *divisor = POP(); |
| 1785 | PyObject *dividend = TOP(); |
| 1786 | PyObject *quotient = PyNumber_TrueDivide(dividend, divisor); |
| 1787 | Py_DECREF(dividend); |
| 1788 | Py_DECREF(divisor); |
| 1789 | SET_TOP(quotient); |
| 1790 | if (quotient == NULL) |
| 1791 | goto error; |
| 1792 | DISPATCH(); |
| 1793 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1794 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1795 | case TARGET(BINARY_FLOOR_DIVIDE): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1796 | PyObject *divisor = POP(); |
| 1797 | PyObject *dividend = TOP(); |
| 1798 | PyObject *quotient = PyNumber_FloorDivide(dividend, divisor); |
| 1799 | Py_DECREF(dividend); |
| 1800 | Py_DECREF(divisor); |
| 1801 | SET_TOP(quotient); |
| 1802 | if (quotient == NULL) |
| 1803 | goto error; |
| 1804 | DISPATCH(); |
| 1805 | } |
Guido van Rossum | 4668b00 | 2001-08-08 05:00:18 +0000 | [diff] [blame] | 1806 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1807 | case TARGET(BINARY_MODULO): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1808 | PyObject *divisor = POP(); |
| 1809 | PyObject *dividend = TOP(); |
Martijn Pieters | d7e6433 | 2017-02-23 13:38:04 +0000 | [diff] [blame] | 1810 | PyObject *res; |
| 1811 | if (PyUnicode_CheckExact(dividend) && ( |
| 1812 | !PyUnicode_Check(divisor) || PyUnicode_CheckExact(divisor))) { |
| 1813 | // fast path; string formatting, but not if the RHS is a str subclass |
| 1814 | // (see issue28598) |
| 1815 | res = PyUnicode_Format(dividend, divisor); |
| 1816 | } else { |
| 1817 | res = PyNumber_Remainder(dividend, divisor); |
| 1818 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1819 | Py_DECREF(divisor); |
| 1820 | Py_DECREF(dividend); |
| 1821 | SET_TOP(res); |
| 1822 | if (res == NULL) |
| 1823 | goto error; |
| 1824 | DISPATCH(); |
| 1825 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1826 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1827 | case TARGET(BINARY_ADD): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1828 | PyObject *right = POP(); |
| 1829 | PyObject *left = TOP(); |
| 1830 | PyObject *sum; |
Victor Stinner | bd0a08e | 2020-10-01 18:57:37 +0200 | [diff] [blame] | 1831 | /* NOTE(vstinner): Please don't try to micro-optimize int+int on |
Victor Stinner | d65f42a | 2016-10-20 12:18:10 +0200 | [diff] [blame] | 1832 | CPython using bytecode, it is simply worthless. |
| 1833 | See http://bugs.python.org/issue21955 and |
| 1834 | http://bugs.python.org/issue10044 for the discussion. In short, |
| 1835 | no patch shown any impact on a realistic benchmark, only a minor |
| 1836 | speedup on microbenchmarks. */ |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1837 | if (PyUnicode_CheckExact(left) && |
| 1838 | PyUnicode_CheckExact(right)) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 1839 | sum = unicode_concatenate(tstate, left, right, f, next_instr); |
Martin Panter | 95f53c1 | 2016-07-18 08:23:26 +0000 | [diff] [blame] | 1840 | /* unicode_concatenate consumed the ref to left */ |
Victor Stinner | d2a915d | 2011-10-02 20:34:20 +0200 | [diff] [blame] | 1841 | } |
| 1842 | else { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1843 | sum = PyNumber_Add(left, right); |
| 1844 | Py_DECREF(left); |
Victor Stinner | d2a915d | 2011-10-02 20:34:20 +0200 | [diff] [blame] | 1845 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1846 | Py_DECREF(right); |
| 1847 | SET_TOP(sum); |
| 1848 | if (sum == NULL) |
| 1849 | goto error; |
| 1850 | DISPATCH(); |
| 1851 | } |
| 1852 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1853 | case TARGET(BINARY_SUBTRACT): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1854 | PyObject *right = POP(); |
| 1855 | PyObject *left = TOP(); |
| 1856 | PyObject *diff = PyNumber_Subtract(left, right); |
| 1857 | Py_DECREF(right); |
| 1858 | Py_DECREF(left); |
| 1859 | SET_TOP(diff); |
| 1860 | if (diff == NULL) |
| 1861 | goto error; |
| 1862 | DISPATCH(); |
| 1863 | } |
| 1864 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1865 | case TARGET(BINARY_SUBSCR): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1866 | PyObject *sub = POP(); |
| 1867 | PyObject *container = TOP(); |
| 1868 | PyObject *res = PyObject_GetItem(container, sub); |
| 1869 | Py_DECREF(container); |
| 1870 | Py_DECREF(sub); |
| 1871 | SET_TOP(res); |
| 1872 | if (res == NULL) |
| 1873 | goto error; |
| 1874 | DISPATCH(); |
| 1875 | } |
| 1876 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1877 | case TARGET(BINARY_LSHIFT): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1878 | PyObject *right = POP(); |
| 1879 | PyObject *left = TOP(); |
| 1880 | PyObject *res = PyNumber_Lshift(left, right); |
| 1881 | Py_DECREF(left); |
| 1882 | Py_DECREF(right); |
| 1883 | SET_TOP(res); |
| 1884 | if (res == NULL) |
| 1885 | goto error; |
| 1886 | DISPATCH(); |
| 1887 | } |
| 1888 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1889 | case TARGET(BINARY_RSHIFT): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1890 | PyObject *right = POP(); |
| 1891 | PyObject *left = TOP(); |
| 1892 | PyObject *res = PyNumber_Rshift(left, right); |
| 1893 | Py_DECREF(left); |
| 1894 | Py_DECREF(right); |
| 1895 | SET_TOP(res); |
| 1896 | if (res == NULL) |
| 1897 | goto error; |
| 1898 | DISPATCH(); |
| 1899 | } |
| 1900 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1901 | case TARGET(BINARY_AND): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1902 | PyObject *right = POP(); |
| 1903 | PyObject *left = TOP(); |
| 1904 | PyObject *res = PyNumber_And(left, right); |
| 1905 | Py_DECREF(left); |
| 1906 | Py_DECREF(right); |
| 1907 | SET_TOP(res); |
| 1908 | if (res == NULL) |
| 1909 | goto error; |
| 1910 | DISPATCH(); |
| 1911 | } |
| 1912 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1913 | case TARGET(BINARY_XOR): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1914 | PyObject *right = POP(); |
| 1915 | PyObject *left = TOP(); |
| 1916 | PyObject *res = PyNumber_Xor(left, right); |
| 1917 | Py_DECREF(left); |
| 1918 | Py_DECREF(right); |
| 1919 | SET_TOP(res); |
| 1920 | if (res == NULL) |
| 1921 | goto error; |
| 1922 | DISPATCH(); |
| 1923 | } |
| 1924 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1925 | case TARGET(BINARY_OR): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1926 | PyObject *right = POP(); |
| 1927 | PyObject *left = TOP(); |
| 1928 | PyObject *res = PyNumber_Or(left, right); |
| 1929 | Py_DECREF(left); |
| 1930 | Py_DECREF(right); |
| 1931 | SET_TOP(res); |
| 1932 | if (res == NULL) |
| 1933 | goto error; |
| 1934 | DISPATCH(); |
| 1935 | } |
| 1936 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1937 | case TARGET(LIST_APPEND): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1938 | PyObject *v = POP(); |
| 1939 | PyObject *list = PEEK(oparg); |
| 1940 | int err; |
| 1941 | err = PyList_Append(list, v); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1942 | Py_DECREF(v); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1943 | if (err != 0) |
| 1944 | goto error; |
| 1945 | PREDICT(JUMP_ABSOLUTE); |
| 1946 | DISPATCH(); |
| 1947 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1948 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1949 | case TARGET(SET_ADD): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1950 | PyObject *v = POP(); |
Raymond Hettinger | 4186222 | 2016-10-15 19:03:06 -0700 | [diff] [blame] | 1951 | PyObject *set = PEEK(oparg); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1952 | int err; |
| 1953 | err = PySet_Add(set, v); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1954 | Py_DECREF(v); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1955 | if (err != 0) |
| 1956 | goto error; |
| 1957 | PREDICT(JUMP_ABSOLUTE); |
| 1958 | DISPATCH(); |
| 1959 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1960 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1961 | case TARGET(INPLACE_POWER): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1962 | PyObject *exp = POP(); |
| 1963 | PyObject *base = TOP(); |
| 1964 | PyObject *res = PyNumber_InPlacePower(base, exp, Py_None); |
| 1965 | Py_DECREF(base); |
| 1966 | Py_DECREF(exp); |
| 1967 | SET_TOP(res); |
| 1968 | if (res == NULL) |
| 1969 | goto error; |
| 1970 | DISPATCH(); |
| 1971 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1972 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1973 | case TARGET(INPLACE_MULTIPLY): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1974 | PyObject *right = POP(); |
| 1975 | PyObject *left = TOP(); |
| 1976 | PyObject *res = PyNumber_InPlaceMultiply(left, right); |
| 1977 | Py_DECREF(left); |
| 1978 | Py_DECREF(right); |
| 1979 | SET_TOP(res); |
| 1980 | if (res == NULL) |
| 1981 | goto error; |
| 1982 | DISPATCH(); |
| 1983 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 1984 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1985 | case TARGET(INPLACE_MATRIX_MULTIPLY): { |
Benjamin Peterson | d51374e | 2014-04-09 23:55:56 -0400 | [diff] [blame] | 1986 | PyObject *right = POP(); |
| 1987 | PyObject *left = TOP(); |
| 1988 | PyObject *res = PyNumber_InPlaceMatrixMultiply(left, right); |
| 1989 | Py_DECREF(left); |
| 1990 | Py_DECREF(right); |
| 1991 | SET_TOP(res); |
| 1992 | if (res == NULL) |
| 1993 | goto error; |
| 1994 | DISPATCH(); |
| 1995 | } |
| 1996 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 1997 | case TARGET(INPLACE_TRUE_DIVIDE): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 1998 | PyObject *divisor = POP(); |
| 1999 | PyObject *dividend = TOP(); |
| 2000 | PyObject *quotient = PyNumber_InPlaceTrueDivide(dividend, divisor); |
| 2001 | Py_DECREF(dividend); |
| 2002 | Py_DECREF(divisor); |
| 2003 | SET_TOP(quotient); |
| 2004 | if (quotient == NULL) |
| 2005 | goto error; |
| 2006 | DISPATCH(); |
| 2007 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2008 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2009 | case TARGET(INPLACE_FLOOR_DIVIDE): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2010 | PyObject *divisor = POP(); |
| 2011 | PyObject *dividend = TOP(); |
| 2012 | PyObject *quotient = PyNumber_InPlaceFloorDivide(dividend, divisor); |
| 2013 | Py_DECREF(dividend); |
| 2014 | Py_DECREF(divisor); |
| 2015 | SET_TOP(quotient); |
| 2016 | if (quotient == NULL) |
| 2017 | goto error; |
| 2018 | DISPATCH(); |
| 2019 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2020 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2021 | case TARGET(INPLACE_MODULO): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2022 | PyObject *right = POP(); |
| 2023 | PyObject *left = TOP(); |
| 2024 | PyObject *mod = PyNumber_InPlaceRemainder(left, right); |
| 2025 | Py_DECREF(left); |
| 2026 | Py_DECREF(right); |
| 2027 | SET_TOP(mod); |
| 2028 | if (mod == NULL) |
| 2029 | goto error; |
| 2030 | DISPATCH(); |
| 2031 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2032 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2033 | case TARGET(INPLACE_ADD): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2034 | PyObject *right = POP(); |
| 2035 | PyObject *left = TOP(); |
| 2036 | PyObject *sum; |
| 2037 | if (PyUnicode_CheckExact(left) && PyUnicode_CheckExact(right)) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2038 | sum = unicode_concatenate(tstate, left, right, f, next_instr); |
Martin Panter | 95f53c1 | 2016-07-18 08:23:26 +0000 | [diff] [blame] | 2039 | /* unicode_concatenate consumed the ref to left */ |
Victor Stinner | d2a915d | 2011-10-02 20:34:20 +0200 | [diff] [blame] | 2040 | } |
| 2041 | else { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2042 | sum = PyNumber_InPlaceAdd(left, right); |
| 2043 | Py_DECREF(left); |
Victor Stinner | d2a915d | 2011-10-02 20:34:20 +0200 | [diff] [blame] | 2044 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2045 | Py_DECREF(right); |
| 2046 | SET_TOP(sum); |
| 2047 | if (sum == NULL) |
| 2048 | goto error; |
| 2049 | DISPATCH(); |
| 2050 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2051 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2052 | case TARGET(INPLACE_SUBTRACT): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2053 | PyObject *right = POP(); |
| 2054 | PyObject *left = TOP(); |
| 2055 | PyObject *diff = PyNumber_InPlaceSubtract(left, right); |
| 2056 | Py_DECREF(left); |
| 2057 | Py_DECREF(right); |
| 2058 | SET_TOP(diff); |
| 2059 | if (diff == NULL) |
| 2060 | goto error; |
| 2061 | DISPATCH(); |
| 2062 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2063 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2064 | case TARGET(INPLACE_LSHIFT): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2065 | PyObject *right = POP(); |
| 2066 | PyObject *left = TOP(); |
| 2067 | PyObject *res = PyNumber_InPlaceLshift(left, right); |
| 2068 | Py_DECREF(left); |
| 2069 | Py_DECREF(right); |
| 2070 | SET_TOP(res); |
| 2071 | if (res == NULL) |
| 2072 | goto error; |
| 2073 | DISPATCH(); |
| 2074 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2075 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2076 | case TARGET(INPLACE_RSHIFT): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2077 | PyObject *right = POP(); |
| 2078 | PyObject *left = TOP(); |
| 2079 | PyObject *res = PyNumber_InPlaceRshift(left, right); |
| 2080 | Py_DECREF(left); |
| 2081 | Py_DECREF(right); |
| 2082 | SET_TOP(res); |
| 2083 | if (res == NULL) |
| 2084 | goto error; |
| 2085 | DISPATCH(); |
| 2086 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2087 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2088 | case TARGET(INPLACE_AND): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2089 | PyObject *right = POP(); |
| 2090 | PyObject *left = TOP(); |
| 2091 | PyObject *res = PyNumber_InPlaceAnd(left, right); |
| 2092 | Py_DECREF(left); |
| 2093 | Py_DECREF(right); |
| 2094 | SET_TOP(res); |
| 2095 | if (res == NULL) |
| 2096 | goto error; |
| 2097 | DISPATCH(); |
| 2098 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2099 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2100 | case TARGET(INPLACE_XOR): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2101 | PyObject *right = POP(); |
| 2102 | PyObject *left = TOP(); |
| 2103 | PyObject *res = PyNumber_InPlaceXor(left, right); |
| 2104 | Py_DECREF(left); |
| 2105 | Py_DECREF(right); |
| 2106 | SET_TOP(res); |
| 2107 | if (res == NULL) |
| 2108 | goto error; |
| 2109 | DISPATCH(); |
| 2110 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2111 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2112 | case TARGET(INPLACE_OR): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2113 | PyObject *right = POP(); |
| 2114 | PyObject *left = TOP(); |
| 2115 | PyObject *res = PyNumber_InPlaceOr(left, right); |
| 2116 | Py_DECREF(left); |
| 2117 | Py_DECREF(right); |
| 2118 | SET_TOP(res); |
| 2119 | if (res == NULL) |
| 2120 | goto error; |
| 2121 | DISPATCH(); |
| 2122 | } |
Thomas Wouters | 434d082 | 2000-08-24 20:11:32 +0000 | [diff] [blame] | 2123 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2124 | case TARGET(STORE_SUBSCR): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2125 | PyObject *sub = TOP(); |
| 2126 | PyObject *container = SECOND(); |
| 2127 | PyObject *v = THIRD(); |
| 2128 | int err; |
costypetrisor | 8ed317f | 2018-07-31 20:55:14 +0000 | [diff] [blame] | 2129 | STACK_SHRINK(3); |
Martin Panter | 95f53c1 | 2016-07-18 08:23:26 +0000 | [diff] [blame] | 2130 | /* container[sub] = v */ |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2131 | err = PyObject_SetItem(container, sub, v); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2132 | Py_DECREF(v); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2133 | Py_DECREF(container); |
| 2134 | Py_DECREF(sub); |
| 2135 | if (err != 0) |
| 2136 | goto error; |
| 2137 | DISPATCH(); |
| 2138 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2139 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2140 | case TARGET(DELETE_SUBSCR): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2141 | PyObject *sub = TOP(); |
| 2142 | PyObject *container = SECOND(); |
| 2143 | int err; |
costypetrisor | 8ed317f | 2018-07-31 20:55:14 +0000 | [diff] [blame] | 2144 | STACK_SHRINK(2); |
Martin Panter | 95f53c1 | 2016-07-18 08:23:26 +0000 | [diff] [blame] | 2145 | /* del container[sub] */ |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2146 | err = PyObject_DelItem(container, sub); |
| 2147 | Py_DECREF(container); |
| 2148 | Py_DECREF(sub); |
| 2149 | if (err != 0) |
| 2150 | goto error; |
| 2151 | DISPATCH(); |
| 2152 | } |
Barry Warsaw | 23c9ec8 | 2000-08-21 15:44:01 +0000 | [diff] [blame] | 2153 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2154 | case TARGET(PRINT_EXPR): { |
Victor Stinner | cab75e3 | 2013-11-06 22:38:37 +0100 | [diff] [blame] | 2155 | _Py_IDENTIFIER(displayhook); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2156 | PyObject *value = POP(); |
Victor Stinner | cab75e3 | 2013-11-06 22:38:37 +0100 | [diff] [blame] | 2157 | PyObject *hook = _PySys_GetObjectId(&PyId_displayhook); |
Benjamin Peterson | fe1bcb6 | 2012-10-12 11:40:01 -0400 | [diff] [blame] | 2158 | PyObject *res; |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2159 | if (hook == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2160 | _PyErr_SetString(tstate, PyExc_RuntimeError, |
| 2161 | "lost sys.displayhook"); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2162 | Py_DECREF(value); |
| 2163 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2164 | } |
Petr Viktorin | ffd9753 | 2020-02-11 17:46:57 +0100 | [diff] [blame] | 2165 | res = PyObject_CallOneArg(hook, value); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2166 | Py_DECREF(value); |
| 2167 | if (res == NULL) |
| 2168 | goto error; |
| 2169 | Py_DECREF(res); |
| 2170 | DISPATCH(); |
| 2171 | } |
Moshe Zadka | f68f2fe | 2001-01-11 05:41:27 +0000 | [diff] [blame] | 2172 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2173 | case TARGET(RAISE_VARARGS): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2174 | PyObject *cause = NULL, *exc = NULL; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2175 | switch (oparg) { |
| 2176 | case 2: |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2177 | cause = POP(); /* cause */ |
Stefan Krah | f432a32 | 2017-08-21 13:09:59 +0200 | [diff] [blame] | 2178 | /* fall through */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2179 | case 1: |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2180 | exc = POP(); /* exc */ |
Stefan Krah | f432a32 | 2017-08-21 13:09:59 +0200 | [diff] [blame] | 2181 | /* fall through */ |
| 2182 | case 0: |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 2183 | if (do_raise(tstate, exc, cause)) { |
Serhiy Storchaka | 520b7ae | 2018-02-22 23:33:30 +0200 | [diff] [blame] | 2184 | goto exception_unwind; |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2185 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2186 | break; |
| 2187 | default: |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2188 | _PyErr_SetString(tstate, PyExc_SystemError, |
| 2189 | "bad RAISE_VARARGS oparg"); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2190 | break; |
| 2191 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2192 | goto error; |
| 2193 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2194 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2195 | case TARGET(RETURN_VALUE): { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2196 | retval = POP(); |
Serhiy Storchaka | 520b7ae | 2018-02-22 23:33:30 +0200 | [diff] [blame] | 2197 | assert(f->f_iblock == 0); |
Mark Shannon | e7c9f4a | 2020-01-13 12:51:26 +0000 | [diff] [blame] | 2198 | assert(EMPTY()); |
Mark Shannon | cb9879b | 2020-07-17 11:44:23 +0100 | [diff] [blame] | 2199 | f->f_state = FRAME_RETURNED; |
| 2200 | f->f_stackdepth = 0; |
Mark Shannon | e7c9f4a | 2020-01-13 12:51:26 +0000 | [diff] [blame] | 2201 | goto exiting; |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2202 | } |
Guido van Rossum | db3165e | 1993-10-18 17:06:59 +0000 | [diff] [blame] | 2203 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2204 | case TARGET(GET_AITER): { |
Yury Selivanov | 6ef0590 | 2015-05-28 11:21:31 -0400 | [diff] [blame] | 2205 | unaryfunc getter = NULL; |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 2206 | PyObject *iter = NULL; |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 2207 | PyObject *obj = TOP(); |
| 2208 | PyTypeObject *type = Py_TYPE(obj); |
| 2209 | |
Yury Selivanov | a6f6edb | 2016-06-09 15:08:31 -0400 | [diff] [blame] | 2210 | if (type->tp_as_async != NULL) { |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 2211 | getter = type->tp_as_async->am_aiter; |
Yury Selivanov | a6f6edb | 2016-06-09 15:08:31 -0400 | [diff] [blame] | 2212 | } |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 2213 | |
| 2214 | if (getter != NULL) { |
| 2215 | iter = (*getter)(obj); |
| 2216 | Py_DECREF(obj); |
| 2217 | if (iter == NULL) { |
| 2218 | SET_TOP(NULL); |
| 2219 | goto error; |
| 2220 | } |
| 2221 | } |
| 2222 | else { |
| 2223 | SET_TOP(NULL); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2224 | _PyErr_Format(tstate, PyExc_TypeError, |
| 2225 | "'async for' requires an object with " |
| 2226 | "__aiter__ method, got %.100s", |
| 2227 | type->tp_name); |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 2228 | Py_DECREF(obj); |
| 2229 | goto error; |
| 2230 | } |
| 2231 | |
Yury Selivanov | faa135a | 2017-10-06 02:08:57 -0400 | [diff] [blame] | 2232 | if (Py_TYPE(iter)->tp_as_async == NULL || |
| 2233 | Py_TYPE(iter)->tp_as_async->am_anext == NULL) { |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 2234 | |
Yury Selivanov | 398ff91 | 2017-03-02 22:20:00 -0500 | [diff] [blame] | 2235 | SET_TOP(NULL); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2236 | _PyErr_Format(tstate, PyExc_TypeError, |
| 2237 | "'async for' received an object from __aiter__ " |
| 2238 | "that does not implement __anext__: %.100s", |
| 2239 | Py_TYPE(iter)->tp_name); |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 2240 | Py_DECREF(iter); |
| 2241 | goto error; |
Yury Selivanov | a6f6edb | 2016-06-09 15:08:31 -0400 | [diff] [blame] | 2242 | } |
| 2243 | |
Yury Selivanov | faa135a | 2017-10-06 02:08:57 -0400 | [diff] [blame] | 2244 | SET_TOP(iter); |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 2245 | DISPATCH(); |
| 2246 | } |
| 2247 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2248 | case TARGET(GET_ANEXT): { |
Yury Selivanov | 6ef0590 | 2015-05-28 11:21:31 -0400 | [diff] [blame] | 2249 | unaryfunc getter = NULL; |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 2250 | PyObject *next_iter = NULL; |
| 2251 | PyObject *awaitable = NULL; |
| 2252 | PyObject *aiter = TOP(); |
| 2253 | PyTypeObject *type = Py_TYPE(aiter); |
| 2254 | |
Yury Selivanov | eb63645 | 2016-09-08 22:01:51 -0700 | [diff] [blame] | 2255 | if (PyAsyncGen_CheckExact(aiter)) { |
| 2256 | awaitable = type->tp_as_async->am_anext(aiter); |
| 2257 | if (awaitable == NULL) { |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 2258 | goto error; |
| 2259 | } |
Yury Selivanov | eb63645 | 2016-09-08 22:01:51 -0700 | [diff] [blame] | 2260 | } else { |
| 2261 | if (type->tp_as_async != NULL){ |
| 2262 | getter = type->tp_as_async->am_anext; |
| 2263 | } |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 2264 | |
Yury Selivanov | eb63645 | 2016-09-08 22:01:51 -0700 | [diff] [blame] | 2265 | if (getter != NULL) { |
| 2266 | next_iter = (*getter)(aiter); |
| 2267 | if (next_iter == NULL) { |
| 2268 | goto error; |
| 2269 | } |
| 2270 | } |
| 2271 | else { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2272 | _PyErr_Format(tstate, PyExc_TypeError, |
| 2273 | "'async for' requires an iterator with " |
| 2274 | "__anext__ method, got %.100s", |
| 2275 | type->tp_name); |
Yury Selivanov | eb63645 | 2016-09-08 22:01:51 -0700 | [diff] [blame] | 2276 | goto error; |
| 2277 | } |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 2278 | |
Yury Selivanov | eb63645 | 2016-09-08 22:01:51 -0700 | [diff] [blame] | 2279 | awaitable = _PyCoro_GetAwaitableIter(next_iter); |
| 2280 | if (awaitable == NULL) { |
Yury Selivanov | 398ff91 | 2017-03-02 22:20:00 -0500 | [diff] [blame] | 2281 | _PyErr_FormatFromCause( |
Yury Selivanov | eb63645 | 2016-09-08 22:01:51 -0700 | [diff] [blame] | 2282 | PyExc_TypeError, |
| 2283 | "'async for' received an invalid object " |
| 2284 | "from __anext__: %.100s", |
| 2285 | Py_TYPE(next_iter)->tp_name); |
| 2286 | |
| 2287 | Py_DECREF(next_iter); |
| 2288 | goto error; |
| 2289 | } else { |
| 2290 | Py_DECREF(next_iter); |
| 2291 | } |
| 2292 | } |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 2293 | |
| 2294 | PUSH(awaitable); |
Serhiy Storchaka | da9c513 | 2016-06-27 18:58:57 +0300 | [diff] [blame] | 2295 | PREDICT(LOAD_CONST); |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 2296 | DISPATCH(); |
| 2297 | } |
| 2298 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2299 | case TARGET(GET_AWAITABLE): { |
| 2300 | PREDICTED(GET_AWAITABLE); |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 2301 | PyObject *iterable = TOP(); |
Yury Selivanov | 5376ba9 | 2015-06-22 12:19:30 -0400 | [diff] [blame] | 2302 | PyObject *iter = _PyCoro_GetAwaitableIter(iterable); |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 2303 | |
Serhiy Storchaka | a68f2f0 | 2018-04-03 01:41:38 +0300 | [diff] [blame] | 2304 | if (iter == NULL) { |
Mark Shannon | fee5526 | 2019-11-21 09:11:43 +0000 | [diff] [blame] | 2305 | int opcode_at_minus_3 = 0; |
| 2306 | if ((next_instr - first_instr) > 2) { |
| 2307 | opcode_at_minus_3 = _Py_OPCODE(next_instr[-3]); |
| 2308 | } |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2309 | format_awaitable_error(tstate, Py_TYPE(iterable), |
Mark Shannon | fee5526 | 2019-11-21 09:11:43 +0000 | [diff] [blame] | 2310 | opcode_at_minus_3, |
Serhiy Storchaka | a68f2f0 | 2018-04-03 01:41:38 +0300 | [diff] [blame] | 2311 | _Py_OPCODE(next_instr[-2])); |
| 2312 | } |
| 2313 | |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 2314 | Py_DECREF(iterable); |
| 2315 | |
Yury Selivanov | c724bae | 2016-03-02 11:30:46 -0500 | [diff] [blame] | 2316 | if (iter != NULL && PyCoro_CheckExact(iter)) { |
| 2317 | PyObject *yf = _PyGen_yf((PyGenObject*)iter); |
| 2318 | if (yf != NULL) { |
| 2319 | /* `iter` is a coroutine object that is being |
| 2320 | awaited, `yf` is a pointer to the current awaitable |
| 2321 | being awaited on. */ |
| 2322 | Py_DECREF(yf); |
| 2323 | Py_CLEAR(iter); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2324 | _PyErr_SetString(tstate, PyExc_RuntimeError, |
| 2325 | "coroutine is being awaited already"); |
Yury Selivanov | c724bae | 2016-03-02 11:30:46 -0500 | [diff] [blame] | 2326 | /* The code below jumps to `error` if `iter` is NULL. */ |
| 2327 | } |
| 2328 | } |
| 2329 | |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 2330 | SET_TOP(iter); /* Even if it's NULL */ |
| 2331 | |
| 2332 | if (iter == NULL) { |
| 2333 | goto error; |
| 2334 | } |
| 2335 | |
Serhiy Storchaka | da9c513 | 2016-06-27 18:58:57 +0300 | [diff] [blame] | 2336 | PREDICT(LOAD_CONST); |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 2337 | DISPATCH(); |
| 2338 | } |
| 2339 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2340 | case TARGET(YIELD_FROM): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2341 | PyObject *v = POP(); |
Raymond Hettinger | 15f44ab | 2016-08-30 10:47:49 -0700 | [diff] [blame] | 2342 | PyObject *receiver = TOP(); |
Vladimir Matveev | 037245c | 2020-10-09 17:15:15 -0700 | [diff] [blame] | 2343 | PySendResult gen_status; |
| 2344 | if (tstate->c_tracefunc == NULL) { |
| 2345 | gen_status = PyIter_Send(receiver, v, &retval); |
Benjamin Peterson | 2afe6ae | 2012-03-15 15:37:39 -0500 | [diff] [blame] | 2346 | } else { |
Vladimir Matveev | 037245c | 2020-10-09 17:15:15 -0700 | [diff] [blame] | 2347 | _Py_IDENTIFIER(send); |
| 2348 | if (v == Py_None && PyIter_Check(receiver)) { |
| 2349 | retval = Py_TYPE(receiver)->tp_iternext(receiver); |
Vladimir Matveev | 2b05361 | 2020-09-18 18:38:38 -0700 | [diff] [blame] | 2350 | } |
| 2351 | else { |
Vladimir Matveev | 037245c | 2020-10-09 17:15:15 -0700 | [diff] [blame] | 2352 | retval = _PyObject_CallMethodIdOneArg(receiver, &PyId_send, v); |
Vladimir Matveev | 2b05361 | 2020-09-18 18:38:38 -0700 | [diff] [blame] | 2353 | } |
Vladimir Matveev | 2b05361 | 2020-09-18 18:38:38 -0700 | [diff] [blame] | 2354 | if (retval == NULL) { |
| 2355 | if (tstate->c_tracefunc != NULL |
| 2356 | && _PyErr_ExceptionMatches(tstate, PyExc_StopIteration)) |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 2357 | call_exc_trace(tstate->c_tracefunc, tstate->c_traceobj, tstate, f, &bounds); |
Vladimir Matveev | 2b05361 | 2020-09-18 18:38:38 -0700 | [diff] [blame] | 2358 | if (_PyGen_FetchStopIterationValue(&retval) == 0) { |
| 2359 | gen_status = PYGEN_RETURN; |
| 2360 | } |
| 2361 | else { |
| 2362 | gen_status = PYGEN_ERROR; |
| 2363 | } |
| 2364 | } |
| 2365 | else { |
| 2366 | gen_status = PYGEN_NEXT; |
| 2367 | } |
Benjamin Peterson | 2afe6ae | 2012-03-15 15:37:39 -0500 | [diff] [blame] | 2368 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2369 | Py_DECREF(v); |
Vladimir Matveev | 2b05361 | 2020-09-18 18:38:38 -0700 | [diff] [blame] | 2370 | if (gen_status == PYGEN_ERROR) { |
| 2371 | assert (retval == NULL); |
| 2372 | goto error; |
| 2373 | } |
| 2374 | if (gen_status == PYGEN_RETURN) { |
| 2375 | assert (retval != NULL); |
| 2376 | |
Raymond Hettinger | 15f44ab | 2016-08-30 10:47:49 -0700 | [diff] [blame] | 2377 | Py_DECREF(receiver); |
Vladimir Matveev | 2b05361 | 2020-09-18 18:38:38 -0700 | [diff] [blame] | 2378 | SET_TOP(retval); |
| 2379 | retval = NULL; |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2380 | DISPATCH(); |
Nick Coghlan | 1f7ce62 | 2012-01-13 21:43:40 +1000 | [diff] [blame] | 2381 | } |
Vladimir Matveev | 2b05361 | 2020-09-18 18:38:38 -0700 | [diff] [blame] | 2382 | assert (gen_status == PYGEN_NEXT); |
Martin Panter | 95f53c1 | 2016-07-18 08:23:26 +0000 | [diff] [blame] | 2383 | /* receiver remains on stack, retval is value to be yielded */ |
Benjamin Peterson | 2afe6ae | 2012-03-15 15:37:39 -0500 | [diff] [blame] | 2384 | /* and repeat... */ |
Victor Stinner | f7d199f | 2016-11-24 22:33:01 +0100 | [diff] [blame] | 2385 | assert(f->f_lasti >= (int)sizeof(_Py_CODEUNIT)); |
Serhiy Storchaka | ab87400 | 2016-09-11 13:48:15 +0300 | [diff] [blame] | 2386 | f->f_lasti -= sizeof(_Py_CODEUNIT); |
Mark Shannon | cb9879b | 2020-07-17 11:44:23 +0100 | [diff] [blame] | 2387 | f->f_state = FRAME_SUSPENDED; |
Victor Stinner | b7d8d8d | 2020-09-23 14:07:16 +0200 | [diff] [blame] | 2388 | f->f_stackdepth = (int)(stack_pointer - f->f_valuestack); |
Mark Shannon | e7c9f4a | 2020-01-13 12:51:26 +0000 | [diff] [blame] | 2389 | goto exiting; |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2390 | } |
Nick Coghlan | 1f7ce62 | 2012-01-13 21:43:40 +1000 | [diff] [blame] | 2391 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2392 | case TARGET(YIELD_VALUE): { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2393 | retval = POP(); |
Yury Selivanov | eb63645 | 2016-09-08 22:01:51 -0700 | [diff] [blame] | 2394 | |
| 2395 | if (co->co_flags & CO_ASYNC_GENERATOR) { |
| 2396 | PyObject *w = _PyAsyncGenValueWrapperNew(retval); |
| 2397 | Py_DECREF(retval); |
| 2398 | if (w == NULL) { |
| 2399 | retval = NULL; |
| 2400 | goto error; |
| 2401 | } |
| 2402 | retval = w; |
| 2403 | } |
Mark Shannon | cb9879b | 2020-07-17 11:44:23 +0100 | [diff] [blame] | 2404 | f->f_state = FRAME_SUSPENDED; |
Victor Stinner | b7d8d8d | 2020-09-23 14:07:16 +0200 | [diff] [blame] | 2405 | f->f_stackdepth = (int)(stack_pointer - f->f_valuestack); |
Mark Shannon | e7c9f4a | 2020-01-13 12:51:26 +0000 | [diff] [blame] | 2406 | goto exiting; |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2407 | } |
Tim Peters | 5ca576e | 2001-06-18 22:08:13 +0000 | [diff] [blame] | 2408 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2409 | case TARGET(POP_EXCEPT): { |
Serhiy Storchaka | 520b7ae | 2018-02-22 23:33:30 +0200 | [diff] [blame] | 2410 | PyObject *type, *value, *traceback; |
| 2411 | _PyErr_StackItem *exc_info; |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2412 | PyTryBlock *b = PyFrame_BlockPop(f); |
| 2413 | if (b->b_type != EXCEPT_HANDLER) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2414 | _PyErr_SetString(tstate, PyExc_SystemError, |
| 2415 | "popped block is not an except handler"); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2416 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2417 | } |
Serhiy Storchaka | 520b7ae | 2018-02-22 23:33:30 +0200 | [diff] [blame] | 2418 | assert(STACK_LEVEL() >= (b)->b_level + 3 && |
| 2419 | STACK_LEVEL() <= (b)->b_level + 4); |
| 2420 | exc_info = tstate->exc_info; |
| 2421 | type = exc_info->exc_type; |
| 2422 | value = exc_info->exc_value; |
| 2423 | traceback = exc_info->exc_traceback; |
| 2424 | exc_info->exc_type = POP(); |
| 2425 | exc_info->exc_value = POP(); |
| 2426 | exc_info->exc_traceback = POP(); |
| 2427 | Py_XDECREF(type); |
| 2428 | Py_XDECREF(value); |
| 2429 | Py_XDECREF(traceback); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2430 | DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2431 | } |
Benjamin Peterson | eec3d71 | 2008-06-11 15:59:43 +0000 | [diff] [blame] | 2432 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2433 | case TARGET(POP_BLOCK): { |
Serhiy Storchaka | 520b7ae | 2018-02-22 23:33:30 +0200 | [diff] [blame] | 2434 | PyFrame_BlockPop(f); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2435 | DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2436 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2437 | |
Mark Shannon | fee5526 | 2019-11-21 09:11:43 +0000 | [diff] [blame] | 2438 | case TARGET(RERAISE): { |
Mark Shannon | bf353f3 | 2020-12-17 13:55:28 +0000 | [diff] [blame] | 2439 | assert(f->f_iblock > 0); |
| 2440 | if (oparg) { |
| 2441 | f->f_lasti = f->f_blockstack[f->f_iblock-1].b_handler; |
| 2442 | } |
Serhiy Storchaka | 520b7ae | 2018-02-22 23:33:30 +0200 | [diff] [blame] | 2443 | PyObject *exc = POP(); |
Mark Shannon | fee5526 | 2019-11-21 09:11:43 +0000 | [diff] [blame] | 2444 | PyObject *val = POP(); |
| 2445 | PyObject *tb = POP(); |
| 2446 | assert(PyExceptionClass_Check(exc)); |
Victor Stinner | 61f4db8 | 2020-01-28 03:37:45 +0100 | [diff] [blame] | 2447 | _PyErr_Restore(tstate, exc, val, tb); |
Mark Shannon | fee5526 | 2019-11-21 09:11:43 +0000 | [diff] [blame] | 2448 | goto exception_unwind; |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2449 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2450 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2451 | case TARGET(END_ASYNC_FOR): { |
Serhiy Storchaka | 702f8f3 | 2018-03-23 14:34:35 +0200 | [diff] [blame] | 2452 | PyObject *exc = POP(); |
| 2453 | assert(PyExceptionClass_Check(exc)); |
| 2454 | if (PyErr_GivenExceptionMatches(exc, PyExc_StopAsyncIteration)) { |
| 2455 | PyTryBlock *b = PyFrame_BlockPop(f); |
| 2456 | assert(b->b_type == EXCEPT_HANDLER); |
| 2457 | Py_DECREF(exc); |
| 2458 | UNWIND_EXCEPT_HANDLER(b); |
| 2459 | Py_DECREF(POP()); |
| 2460 | JUMPBY(oparg); |
| 2461 | FAST_DISPATCH(); |
| 2462 | } |
| 2463 | else { |
| 2464 | PyObject *val = POP(); |
| 2465 | PyObject *tb = POP(); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2466 | _PyErr_Restore(tstate, exc, val, tb); |
Serhiy Storchaka | 702f8f3 | 2018-03-23 14:34:35 +0200 | [diff] [blame] | 2467 | goto exception_unwind; |
| 2468 | } |
| 2469 | } |
| 2470 | |
Zackery Spytz | ce6a070 | 2019-08-25 03:44:09 -0600 | [diff] [blame] | 2471 | case TARGET(LOAD_ASSERTION_ERROR): { |
| 2472 | PyObject *value = PyExc_AssertionError; |
| 2473 | Py_INCREF(value); |
| 2474 | PUSH(value); |
| 2475 | FAST_DISPATCH(); |
| 2476 | } |
| 2477 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2478 | case TARGET(LOAD_BUILD_CLASS): { |
Victor Stinner | 3c1e481 | 2012-03-26 22:10:51 +0200 | [diff] [blame] | 2479 | _Py_IDENTIFIER(__build_class__); |
Victor Stinner | b0b2242 | 2012-04-19 00:57:45 +0200 | [diff] [blame] | 2480 | |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2481 | PyObject *bc; |
Victor Stinner | b0b2242 | 2012-04-19 00:57:45 +0200 | [diff] [blame] | 2482 | if (PyDict_CheckExact(f->f_builtins)) { |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 2483 | bc = _PyDict_GetItemIdWithError(f->f_builtins, &PyId___build_class__); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2484 | if (bc == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2485 | if (!_PyErr_Occurred(tstate)) { |
| 2486 | _PyErr_SetString(tstate, PyExc_NameError, |
| 2487 | "__build_class__ not found"); |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 2488 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2489 | goto error; |
Victor Stinner | b0b2242 | 2012-04-19 00:57:45 +0200 | [diff] [blame] | 2490 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2491 | Py_INCREF(bc); |
Victor Stinner | b0b2242 | 2012-04-19 00:57:45 +0200 | [diff] [blame] | 2492 | } |
| 2493 | else { |
| 2494 | PyObject *build_class_str = _PyUnicode_FromId(&PyId___build_class__); |
| 2495 | if (build_class_str == NULL) |
Serhiy Storchaka | 70b72f0 | 2016-11-08 23:12:46 +0200 | [diff] [blame] | 2496 | goto error; |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2497 | bc = PyObject_GetItem(f->f_builtins, build_class_str); |
| 2498 | if (bc == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2499 | if (_PyErr_ExceptionMatches(tstate, PyExc_KeyError)) |
| 2500 | _PyErr_SetString(tstate, PyExc_NameError, |
| 2501 | "__build_class__ not found"); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2502 | goto error; |
Victor Stinner | b0b2242 | 2012-04-19 00:57:45 +0200 | [diff] [blame] | 2503 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2504 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2505 | PUSH(bc); |
Benjamin Peterson | 00f86f2 | 2012-10-10 14:10:33 -0400 | [diff] [blame] | 2506 | DISPATCH(); |
Victor Stinner | 3c1e481 | 2012-03-26 22:10:51 +0200 | [diff] [blame] | 2507 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2508 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2509 | case TARGET(STORE_NAME): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2510 | PyObject *name = GETITEM(names, oparg); |
| 2511 | PyObject *v = POP(); |
| 2512 | PyObject *ns = f->f_locals; |
| 2513 | int err; |
| 2514 | if (ns == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2515 | _PyErr_Format(tstate, PyExc_SystemError, |
| 2516 | "no locals found when storing %R", name); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2517 | Py_DECREF(v); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2518 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2519 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2520 | if (PyDict_CheckExact(ns)) |
| 2521 | err = PyDict_SetItem(ns, name, v); |
| 2522 | else |
| 2523 | err = PyObject_SetItem(ns, name, v); |
| 2524 | Py_DECREF(v); |
| 2525 | if (err != 0) |
| 2526 | goto error; |
| 2527 | DISPATCH(); |
| 2528 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2529 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2530 | case TARGET(DELETE_NAME): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2531 | PyObject *name = GETITEM(names, oparg); |
| 2532 | PyObject *ns = f->f_locals; |
| 2533 | int err; |
| 2534 | if (ns == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2535 | _PyErr_Format(tstate, PyExc_SystemError, |
| 2536 | "no locals when deleting %R", name); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2537 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2538 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2539 | err = PyObject_DelItem(ns, name); |
| 2540 | if (err != 0) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2541 | format_exc_check_arg(tstate, PyExc_NameError, |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2542 | NAME_ERROR_MSG, |
| 2543 | name); |
| 2544 | goto error; |
| 2545 | } |
| 2546 | DISPATCH(); |
| 2547 | } |
Guido van Rossum | 04691fc | 1992-08-12 15:35:34 +0000 | [diff] [blame] | 2548 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2549 | case TARGET(UNPACK_SEQUENCE): { |
| 2550 | PREDICTED(UNPACK_SEQUENCE); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2551 | PyObject *seq = POP(), *item, **items; |
| 2552 | if (PyTuple_CheckExact(seq) && |
| 2553 | PyTuple_GET_SIZE(seq) == oparg) { |
| 2554 | items = ((PyTupleObject *)seq)->ob_item; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2555 | while (oparg--) { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2556 | item = items[oparg]; |
| 2557 | Py_INCREF(item); |
| 2558 | PUSH(item); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2559 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2560 | } else if (PyList_CheckExact(seq) && |
| 2561 | PyList_GET_SIZE(seq) == oparg) { |
| 2562 | items = ((PyListObject *)seq)->ob_item; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2563 | while (oparg--) { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2564 | item = items[oparg]; |
| 2565 | Py_INCREF(item); |
| 2566 | PUSH(item); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2567 | } |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2568 | } else if (unpack_iterable(tstate, seq, oparg, -1, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2569 | stack_pointer + oparg)) { |
costypetrisor | 8ed317f | 2018-07-31 20:55:14 +0000 | [diff] [blame] | 2570 | STACK_GROW(oparg); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2571 | } else { |
| 2572 | /* unpack_iterable() raised an exception */ |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2573 | Py_DECREF(seq); |
| 2574 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2575 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2576 | Py_DECREF(seq); |
Benjamin Peterson | 00f86f2 | 2012-10-10 14:10:33 -0400 | [diff] [blame] | 2577 | DISPATCH(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2578 | } |
Guido van Rossum | 0368b72 | 2007-05-11 16:50:42 +0000 | [diff] [blame] | 2579 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2580 | case TARGET(UNPACK_EX): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2581 | int totalargs = 1 + (oparg & 0xFF) + (oparg >> 8); |
| 2582 | PyObject *seq = POP(); |
| 2583 | |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2584 | if (unpack_iterable(tstate, seq, oparg & 0xFF, oparg >> 8, |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2585 | stack_pointer + totalargs)) { |
| 2586 | stack_pointer += totalargs; |
| 2587 | } else { |
| 2588 | Py_DECREF(seq); |
| 2589 | goto error; |
| 2590 | } |
| 2591 | Py_DECREF(seq); |
| 2592 | DISPATCH(); |
| 2593 | } |
| 2594 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2595 | case TARGET(STORE_ATTR): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2596 | PyObject *name = GETITEM(names, oparg); |
| 2597 | PyObject *owner = TOP(); |
| 2598 | PyObject *v = SECOND(); |
| 2599 | int err; |
costypetrisor | 8ed317f | 2018-07-31 20:55:14 +0000 | [diff] [blame] | 2600 | STACK_SHRINK(2); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2601 | err = PyObject_SetAttr(owner, name, v); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2602 | Py_DECREF(v); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2603 | Py_DECREF(owner); |
| 2604 | if (err != 0) |
| 2605 | goto error; |
| 2606 | DISPATCH(); |
| 2607 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2608 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2609 | case TARGET(DELETE_ATTR): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2610 | PyObject *name = GETITEM(names, oparg); |
| 2611 | PyObject *owner = POP(); |
| 2612 | int err; |
| 2613 | err = PyObject_SetAttr(owner, name, (PyObject *)NULL); |
| 2614 | Py_DECREF(owner); |
| 2615 | if (err != 0) |
| 2616 | goto error; |
| 2617 | DISPATCH(); |
| 2618 | } |
| 2619 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2620 | case TARGET(STORE_GLOBAL): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2621 | PyObject *name = GETITEM(names, oparg); |
| 2622 | PyObject *v = POP(); |
| 2623 | int err; |
| 2624 | err = PyDict_SetItem(f->f_globals, name, v); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2625 | Py_DECREF(v); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2626 | if (err != 0) |
| 2627 | goto error; |
| 2628 | DISPATCH(); |
| 2629 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2630 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2631 | case TARGET(DELETE_GLOBAL): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2632 | PyObject *name = GETITEM(names, oparg); |
| 2633 | int err; |
| 2634 | err = PyDict_DelItem(f->f_globals, name); |
| 2635 | if (err != 0) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2636 | if (_PyErr_ExceptionMatches(tstate, PyExc_KeyError)) { |
| 2637 | format_exc_check_arg(tstate, PyExc_NameError, |
| 2638 | NAME_ERROR_MSG, name); |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 2639 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2640 | goto error; |
Benjamin Peterson | 00f86f2 | 2012-10-10 14:10:33 -0400 | [diff] [blame] | 2641 | } |
| 2642 | DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2643 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2644 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2645 | case TARGET(LOAD_NAME): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2646 | PyObject *name = GETITEM(names, oparg); |
| 2647 | PyObject *locals = f->f_locals; |
| 2648 | PyObject *v; |
| 2649 | if (locals == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2650 | _PyErr_Format(tstate, PyExc_SystemError, |
| 2651 | "no locals when loading %R", name); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2652 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2653 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2654 | if (PyDict_CheckExact(locals)) { |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 2655 | v = PyDict_GetItemWithError(locals, name); |
| 2656 | if (v != NULL) { |
| 2657 | Py_INCREF(v); |
| 2658 | } |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2659 | else if (_PyErr_Occurred(tstate)) { |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 2660 | goto error; |
| 2661 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2662 | } |
| 2663 | else { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2664 | v = PyObject_GetItem(locals, name); |
Victor Stinner | e20310f | 2015-11-05 13:56:58 +0100 | [diff] [blame] | 2665 | if (v == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2666 | if (!_PyErr_ExceptionMatches(tstate, PyExc_KeyError)) |
Benjamin Peterson | 9272279 | 2012-12-15 12:51:05 -0500 | [diff] [blame] | 2667 | goto error; |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2668 | _PyErr_Clear(tstate); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2669 | } |
| 2670 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2671 | if (v == NULL) { |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 2672 | v = PyDict_GetItemWithError(f->f_globals, name); |
| 2673 | if (v != NULL) { |
| 2674 | Py_INCREF(v); |
| 2675 | } |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2676 | else if (_PyErr_Occurred(tstate)) { |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 2677 | goto error; |
| 2678 | } |
| 2679 | else { |
Victor Stinner | b0b2242 | 2012-04-19 00:57:45 +0200 | [diff] [blame] | 2680 | if (PyDict_CheckExact(f->f_builtins)) { |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 2681 | v = PyDict_GetItemWithError(f->f_builtins, name); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2682 | if (v == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2683 | if (!_PyErr_Occurred(tstate)) { |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 2684 | format_exc_check_arg( |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2685 | tstate, PyExc_NameError, |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2686 | NAME_ERROR_MSG, name); |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 2687 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2688 | goto error; |
Victor Stinner | b0b2242 | 2012-04-19 00:57:45 +0200 | [diff] [blame] | 2689 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2690 | Py_INCREF(v); |
Victor Stinner | b0b2242 | 2012-04-19 00:57:45 +0200 | [diff] [blame] | 2691 | } |
| 2692 | else { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2693 | v = PyObject_GetItem(f->f_builtins, name); |
| 2694 | if (v == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2695 | if (_PyErr_ExceptionMatches(tstate, PyExc_KeyError)) { |
Victor Stinner | b0b2242 | 2012-04-19 00:57:45 +0200 | [diff] [blame] | 2696 | format_exc_check_arg( |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2697 | tstate, PyExc_NameError, |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2698 | NAME_ERROR_MSG, name); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2699 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2700 | goto error; |
Victor Stinner | b0b2242 | 2012-04-19 00:57:45 +0200 | [diff] [blame] | 2701 | } |
Benjamin Peterson | 20f9c3c | 2010-07-20 22:39:34 +0000 | [diff] [blame] | 2702 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2703 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2704 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2705 | PUSH(v); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2706 | DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2707 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2708 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2709 | case TARGET(LOAD_GLOBAL): { |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 2710 | PyObject *name; |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2711 | PyObject *v; |
Victor Stinner | b0b2242 | 2012-04-19 00:57:45 +0200 | [diff] [blame] | 2712 | if (PyDict_CheckExact(f->f_globals) |
Victor Stinner | b4efc96 | 2015-11-20 09:24:02 +0100 | [diff] [blame] | 2713 | && PyDict_CheckExact(f->f_builtins)) |
| 2714 | { |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 2715 | OPCACHE_CHECK(); |
| 2716 | if (co_opcache != NULL && co_opcache->optimized > 0) { |
| 2717 | _PyOpcache_LoadGlobal *lg = &co_opcache->u.lg; |
| 2718 | |
| 2719 | if (lg->globals_ver == |
| 2720 | ((PyDictObject *)f->f_globals)->ma_version_tag |
| 2721 | && lg->builtins_ver == |
| 2722 | ((PyDictObject *)f->f_builtins)->ma_version_tag) |
| 2723 | { |
| 2724 | PyObject *ptr = lg->ptr; |
| 2725 | OPCACHE_STAT_GLOBAL_HIT(); |
| 2726 | assert(ptr != NULL); |
| 2727 | Py_INCREF(ptr); |
| 2728 | PUSH(ptr); |
| 2729 | DISPATCH(); |
| 2730 | } |
| 2731 | } |
| 2732 | |
| 2733 | name = GETITEM(names, oparg); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2734 | v = _PyDict_LoadGlobal((PyDictObject *)f->f_globals, |
Benjamin Peterson | 7d95e40 | 2012-04-23 11:24:50 -0400 | [diff] [blame] | 2735 | (PyDictObject *)f->f_builtins, |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2736 | name); |
| 2737 | if (v == NULL) { |
Victor Stinner | b4efc96 | 2015-11-20 09:24:02 +0100 | [diff] [blame] | 2738 | if (!_PyErr_OCCURRED()) { |
| 2739 | /* _PyDict_LoadGlobal() returns NULL without raising |
| 2740 | * an exception if the key doesn't exist */ |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2741 | format_exc_check_arg(tstate, PyExc_NameError, |
Ezio Melotti | 04a2955 | 2013-03-03 15:12:44 +0200 | [diff] [blame] | 2742 | NAME_ERROR_MSG, name); |
Victor Stinner | b4efc96 | 2015-11-20 09:24:02 +0100 | [diff] [blame] | 2743 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2744 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2745 | } |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 2746 | |
| 2747 | if (co_opcache != NULL) { |
| 2748 | _PyOpcache_LoadGlobal *lg = &co_opcache->u.lg; |
| 2749 | |
| 2750 | if (co_opcache->optimized == 0) { |
| 2751 | /* Wasn't optimized before. */ |
| 2752 | OPCACHE_STAT_GLOBAL_OPT(); |
| 2753 | } else { |
| 2754 | OPCACHE_STAT_GLOBAL_MISS(); |
| 2755 | } |
| 2756 | |
| 2757 | co_opcache->optimized = 1; |
| 2758 | lg->globals_ver = |
| 2759 | ((PyDictObject *)f->f_globals)->ma_version_tag; |
| 2760 | lg->builtins_ver = |
| 2761 | ((PyDictObject *)f->f_builtins)->ma_version_tag; |
| 2762 | lg->ptr = v; /* borrowed */ |
| 2763 | } |
| 2764 | |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2765 | Py_INCREF(v); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2766 | } |
Benjamin Peterson | 7d95e40 | 2012-04-23 11:24:50 -0400 | [diff] [blame] | 2767 | else { |
| 2768 | /* Slow-path if globals or builtins is not a dict */ |
Victor Stinner | b4efc96 | 2015-11-20 09:24:02 +0100 | [diff] [blame] | 2769 | |
| 2770 | /* namespace 1: globals */ |
Inada Naoki | 91234a1 | 2019-06-03 21:30:58 +0900 | [diff] [blame] | 2771 | name = GETITEM(names, oparg); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2772 | v = PyObject_GetItem(f->f_globals, name); |
| 2773 | if (v == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2774 | if (!_PyErr_ExceptionMatches(tstate, PyExc_KeyError)) { |
Victor Stinner | 60a1d3c | 2015-11-05 13:55:20 +0100 | [diff] [blame] | 2775 | goto error; |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2776 | } |
| 2777 | _PyErr_Clear(tstate); |
Victor Stinner | 60a1d3c | 2015-11-05 13:55:20 +0100 | [diff] [blame] | 2778 | |
Victor Stinner | b4efc96 | 2015-11-20 09:24:02 +0100 | [diff] [blame] | 2779 | /* namespace 2: builtins */ |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2780 | v = PyObject_GetItem(f->f_builtins, name); |
| 2781 | if (v == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2782 | if (_PyErr_ExceptionMatches(tstate, PyExc_KeyError)) { |
Benjamin Peterson | 7d95e40 | 2012-04-23 11:24:50 -0400 | [diff] [blame] | 2783 | format_exc_check_arg( |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2784 | tstate, PyExc_NameError, |
Ezio Melotti | 04a2955 | 2013-03-03 15:12:44 +0200 | [diff] [blame] | 2785 | NAME_ERROR_MSG, name); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2786 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2787 | goto error; |
Benjamin Peterson | 7d95e40 | 2012-04-23 11:24:50 -0400 | [diff] [blame] | 2788 | } |
| 2789 | } |
| 2790 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2791 | PUSH(v); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2792 | DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2793 | } |
Guido van Rossum | 681d79a | 1995-07-18 14:51:37 +0000 | [diff] [blame] | 2794 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2795 | case TARGET(DELETE_FAST): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2796 | PyObject *v = GETLOCAL(oparg); |
| 2797 | if (v != NULL) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2798 | SETLOCAL(oparg, NULL); |
| 2799 | DISPATCH(); |
| 2800 | } |
| 2801 | format_exc_check_arg( |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2802 | tstate, PyExc_UnboundLocalError, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2803 | UNBOUNDLOCAL_ERROR_MSG, |
| 2804 | PyTuple_GetItem(co->co_varnames, oparg) |
| 2805 | ); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2806 | goto error; |
| 2807 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2808 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2809 | case TARGET(DELETE_DEREF): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2810 | PyObject *cell = freevars[oparg]; |
Raymond Hettinger | c32f9db | 2016-11-12 04:10:35 -0500 | [diff] [blame] | 2811 | PyObject *oldobj = PyCell_GET(cell); |
| 2812 | if (oldobj != NULL) { |
| 2813 | PyCell_SET(cell, NULL); |
| 2814 | Py_DECREF(oldobj); |
Benjamin Peterson | 00ebe2c | 2010-09-10 22:02:31 +0000 | [diff] [blame] | 2815 | DISPATCH(); |
Amaury Forgeot d'Arc | ba117ef | 2010-09-10 21:39:53 +0000 | [diff] [blame] | 2816 | } |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2817 | format_exc_unbound(tstate, co, oparg); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2818 | goto error; |
| 2819 | } |
Amaury Forgeot d'Arc | ba117ef | 2010-09-10 21:39:53 +0000 | [diff] [blame] | 2820 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2821 | case TARGET(LOAD_CLOSURE): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2822 | PyObject *cell = freevars[oparg]; |
| 2823 | Py_INCREF(cell); |
| 2824 | PUSH(cell); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2825 | DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2826 | } |
Jeremy Hylton | 64949cb | 2001-01-25 20:06:59 +0000 | [diff] [blame] | 2827 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2828 | case TARGET(LOAD_CLASSDEREF): { |
Benjamin Peterson | 3b0431d | 2013-04-30 09:41:40 -0400 | [diff] [blame] | 2829 | PyObject *name, *value, *locals = f->f_locals; |
Victor Stinner | d3dfd0e | 2013-05-16 23:48:01 +0200 | [diff] [blame] | 2830 | Py_ssize_t idx; |
Benjamin Peterson | 3b0431d | 2013-04-30 09:41:40 -0400 | [diff] [blame] | 2831 | assert(locals); |
| 2832 | assert(oparg >= PyTuple_GET_SIZE(co->co_cellvars)); |
| 2833 | idx = oparg - PyTuple_GET_SIZE(co->co_cellvars); |
| 2834 | assert(idx >= 0 && idx < PyTuple_GET_SIZE(co->co_freevars)); |
| 2835 | name = PyTuple_GET_ITEM(co->co_freevars, idx); |
| 2836 | if (PyDict_CheckExact(locals)) { |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 2837 | value = PyDict_GetItemWithError(locals, name); |
| 2838 | if (value != NULL) { |
| 2839 | Py_INCREF(value); |
| 2840 | } |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2841 | else if (_PyErr_Occurred(tstate)) { |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 2842 | goto error; |
| 2843 | } |
Benjamin Peterson | 3b0431d | 2013-04-30 09:41:40 -0400 | [diff] [blame] | 2844 | } |
| 2845 | else { |
| 2846 | value = PyObject_GetItem(locals, name); |
Victor Stinner | e20310f | 2015-11-05 13:56:58 +0100 | [diff] [blame] | 2847 | if (value == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2848 | if (!_PyErr_ExceptionMatches(tstate, PyExc_KeyError)) { |
Benjamin Peterson | 3b0431d | 2013-04-30 09:41:40 -0400 | [diff] [blame] | 2849 | goto error; |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2850 | } |
| 2851 | _PyErr_Clear(tstate); |
Benjamin Peterson | 3b0431d | 2013-04-30 09:41:40 -0400 | [diff] [blame] | 2852 | } |
| 2853 | } |
| 2854 | if (!value) { |
| 2855 | PyObject *cell = freevars[oparg]; |
| 2856 | value = PyCell_GET(cell); |
| 2857 | if (value == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2858 | format_exc_unbound(tstate, co, oparg); |
Benjamin Peterson | 3b0431d | 2013-04-30 09:41:40 -0400 | [diff] [blame] | 2859 | goto error; |
| 2860 | } |
| 2861 | Py_INCREF(value); |
| 2862 | } |
| 2863 | PUSH(value); |
| 2864 | DISPATCH(); |
| 2865 | } |
| 2866 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2867 | case TARGET(LOAD_DEREF): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2868 | PyObject *cell = freevars[oparg]; |
| 2869 | PyObject *value = PyCell_GET(cell); |
| 2870 | if (value == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 2871 | format_exc_unbound(tstate, co, oparg); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2872 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2873 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2874 | Py_INCREF(value); |
| 2875 | PUSH(value); |
| 2876 | DISPATCH(); |
| 2877 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2878 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2879 | case TARGET(STORE_DEREF): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2880 | PyObject *v = POP(); |
| 2881 | PyObject *cell = freevars[oparg]; |
Raymond Hettinger | b2b1543 | 2016-11-11 04:32:11 -0800 | [diff] [blame] | 2882 | PyObject *oldobj = PyCell_GET(cell); |
| 2883 | PyCell_SET(cell, v); |
| 2884 | Py_XDECREF(oldobj); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2885 | DISPATCH(); |
| 2886 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 2887 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2888 | case TARGET(BUILD_STRING): { |
Serhiy Storchaka | ea525a2 | 2016-09-06 22:07:53 +0300 | [diff] [blame] | 2889 | PyObject *str; |
| 2890 | PyObject *empty = PyUnicode_New(0, 0); |
| 2891 | if (empty == NULL) { |
| 2892 | goto error; |
| 2893 | } |
| 2894 | str = _PyUnicode_JoinArray(empty, stack_pointer - oparg, oparg); |
| 2895 | Py_DECREF(empty); |
| 2896 | if (str == NULL) |
| 2897 | goto error; |
| 2898 | while (--oparg >= 0) { |
| 2899 | PyObject *item = POP(); |
| 2900 | Py_DECREF(item); |
| 2901 | } |
| 2902 | PUSH(str); |
| 2903 | DISPATCH(); |
| 2904 | } |
| 2905 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2906 | case TARGET(BUILD_TUPLE): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2907 | PyObject *tup = PyTuple_New(oparg); |
| 2908 | if (tup == NULL) |
| 2909 | goto error; |
| 2910 | while (--oparg >= 0) { |
| 2911 | PyObject *item = POP(); |
| 2912 | PyTuple_SET_ITEM(tup, oparg, item); |
| 2913 | } |
| 2914 | PUSH(tup); |
| 2915 | DISPATCH(); |
| 2916 | } |
| 2917 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2918 | case TARGET(BUILD_LIST): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2919 | PyObject *list = PyList_New(oparg); |
| 2920 | if (list == NULL) |
| 2921 | goto error; |
| 2922 | while (--oparg >= 0) { |
| 2923 | PyObject *item = POP(); |
| 2924 | PyList_SET_ITEM(list, oparg, item); |
| 2925 | } |
| 2926 | PUSH(list); |
| 2927 | DISPATCH(); |
| 2928 | } |
| 2929 | |
Mark Shannon | 13bc139 | 2020-01-23 09:25:17 +0000 | [diff] [blame] | 2930 | case TARGET(LIST_TO_TUPLE): { |
| 2931 | PyObject *list = POP(); |
| 2932 | PyObject *tuple = PyList_AsTuple(list); |
| 2933 | Py_DECREF(list); |
| 2934 | if (tuple == NULL) { |
Benjamin Peterson | 025e9eb | 2015-05-05 20:16:41 -0400 | [diff] [blame] | 2935 | goto error; |
Mark Shannon | 13bc139 | 2020-01-23 09:25:17 +0000 | [diff] [blame] | 2936 | } |
| 2937 | PUSH(tuple); |
| 2938 | DISPATCH(); |
| 2939 | } |
Benjamin Peterson | 025e9eb | 2015-05-05 20:16:41 -0400 | [diff] [blame] | 2940 | |
Mark Shannon | 13bc139 | 2020-01-23 09:25:17 +0000 | [diff] [blame] | 2941 | case TARGET(LIST_EXTEND): { |
| 2942 | PyObject *iterable = POP(); |
| 2943 | PyObject *list = PEEK(oparg); |
| 2944 | PyObject *none_val = _PyList_Extend((PyListObject *)list, iterable); |
| 2945 | if (none_val == NULL) { |
| 2946 | if (_PyErr_ExceptionMatches(tstate, PyExc_TypeError) && |
Victor Stinner | a102ed7 | 2020-02-07 02:24:48 +0100 | [diff] [blame] | 2947 | (Py_TYPE(iterable)->tp_iter == NULL && !PySequence_Check(iterable))) |
Mark Shannon | 13bc139 | 2020-01-23 09:25:17 +0000 | [diff] [blame] | 2948 | { |
Victor Stinner | 61f4db8 | 2020-01-28 03:37:45 +0100 | [diff] [blame] | 2949 | _PyErr_Clear(tstate); |
Mark Shannon | 13bc139 | 2020-01-23 09:25:17 +0000 | [diff] [blame] | 2950 | _PyErr_Format(tstate, PyExc_TypeError, |
| 2951 | "Value after * must be an iterable, not %.200s", |
| 2952 | Py_TYPE(iterable)->tp_name); |
Benjamin Peterson | 025e9eb | 2015-05-05 20:16:41 -0400 | [diff] [blame] | 2953 | } |
Mark Shannon | 13bc139 | 2020-01-23 09:25:17 +0000 | [diff] [blame] | 2954 | Py_DECREF(iterable); |
| 2955 | goto error; |
Benjamin Peterson | 025e9eb | 2015-05-05 20:16:41 -0400 | [diff] [blame] | 2956 | } |
Mark Shannon | 13bc139 | 2020-01-23 09:25:17 +0000 | [diff] [blame] | 2957 | Py_DECREF(none_val); |
| 2958 | Py_DECREF(iterable); |
| 2959 | DISPATCH(); |
| 2960 | } |
Benjamin Peterson | 025e9eb | 2015-05-05 20:16:41 -0400 | [diff] [blame] | 2961 | |
Mark Shannon | 13bc139 | 2020-01-23 09:25:17 +0000 | [diff] [blame] | 2962 | case TARGET(SET_UPDATE): { |
| 2963 | PyObject *iterable = POP(); |
| 2964 | PyObject *set = PEEK(oparg); |
| 2965 | int err = _PySet_Update(set, iterable); |
| 2966 | Py_DECREF(iterable); |
| 2967 | if (err < 0) { |
| 2968 | goto error; |
Benjamin Peterson | 025e9eb | 2015-05-05 20:16:41 -0400 | [diff] [blame] | 2969 | } |
Benjamin Peterson | 025e9eb | 2015-05-05 20:16:41 -0400 | [diff] [blame] | 2970 | DISPATCH(); |
| 2971 | } |
| 2972 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2973 | case TARGET(BUILD_SET): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2974 | PyObject *set = PySet_New(NULL); |
| 2975 | int err = 0; |
Raymond Hettinger | 4c483ad | 2016-09-08 14:45:40 -0700 | [diff] [blame] | 2976 | int i; |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2977 | if (set == NULL) |
| 2978 | goto error; |
Raymond Hettinger | 4c483ad | 2016-09-08 14:45:40 -0700 | [diff] [blame] | 2979 | for (i = oparg; i > 0; i--) { |
| 2980 | PyObject *item = PEEK(i); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2981 | if (err == 0) |
| 2982 | err = PySet_Add(set, item); |
| 2983 | Py_DECREF(item); |
| 2984 | } |
costypetrisor | 8ed317f | 2018-07-31 20:55:14 +0000 | [diff] [blame] | 2985 | STACK_SHRINK(oparg); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2986 | if (err != 0) { |
| 2987 | Py_DECREF(set); |
| 2988 | goto error; |
| 2989 | } |
| 2990 | PUSH(set); |
| 2991 | DISPATCH(); |
| 2992 | } |
| 2993 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 2994 | case TARGET(BUILD_MAP): { |
Victor Stinner | 74319ae | 2016-08-25 00:04:09 +0200 | [diff] [blame] | 2995 | Py_ssize_t i; |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 2996 | PyObject *map = _PyDict_NewPresized((Py_ssize_t)oparg); |
| 2997 | if (map == NULL) |
| 2998 | goto error; |
Benjamin Peterson | d5d77aa | 2015-07-05 10:37:25 -0500 | [diff] [blame] | 2999 | for (i = oparg; i > 0; i--) { |
Benjamin Peterson | 025e9eb | 2015-05-05 20:16:41 -0400 | [diff] [blame] | 3000 | int err; |
Benjamin Peterson | d5d77aa | 2015-07-05 10:37:25 -0500 | [diff] [blame] | 3001 | PyObject *key = PEEK(2*i); |
| 3002 | PyObject *value = PEEK(2*i - 1); |
Benjamin Peterson | 025e9eb | 2015-05-05 20:16:41 -0400 | [diff] [blame] | 3003 | err = PyDict_SetItem(map, key, value); |
Benjamin Peterson | 025e9eb | 2015-05-05 20:16:41 -0400 | [diff] [blame] | 3004 | if (err != 0) { |
| 3005 | Py_DECREF(map); |
| 3006 | goto error; |
| 3007 | } |
| 3008 | } |
Benjamin Peterson | d5d77aa | 2015-07-05 10:37:25 -0500 | [diff] [blame] | 3009 | |
| 3010 | while (oparg--) { |
| 3011 | Py_DECREF(POP()); |
| 3012 | Py_DECREF(POP()); |
| 3013 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3014 | PUSH(map); |
| 3015 | DISPATCH(); |
| 3016 | } |
| 3017 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3018 | case TARGET(SETUP_ANNOTATIONS): { |
Yury Selivanov | f8cb8a1 | 2016-09-08 20:50:03 -0700 | [diff] [blame] | 3019 | _Py_IDENTIFIER(__annotations__); |
| 3020 | int err; |
| 3021 | PyObject *ann_dict; |
| 3022 | if (f->f_locals == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 3023 | _PyErr_Format(tstate, PyExc_SystemError, |
| 3024 | "no locals found when setting up annotations"); |
Yury Selivanov | f8cb8a1 | 2016-09-08 20:50:03 -0700 | [diff] [blame] | 3025 | goto error; |
| 3026 | } |
| 3027 | /* check if __annotations__ in locals()... */ |
| 3028 | if (PyDict_CheckExact(f->f_locals)) { |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 3029 | ann_dict = _PyDict_GetItemIdWithError(f->f_locals, |
Yury Selivanov | f8cb8a1 | 2016-09-08 20:50:03 -0700 | [diff] [blame] | 3030 | &PyId___annotations__); |
| 3031 | if (ann_dict == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 3032 | if (_PyErr_Occurred(tstate)) { |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 3033 | goto error; |
| 3034 | } |
Yury Selivanov | f8cb8a1 | 2016-09-08 20:50:03 -0700 | [diff] [blame] | 3035 | /* ...if not, create a new one */ |
| 3036 | ann_dict = PyDict_New(); |
| 3037 | if (ann_dict == NULL) { |
| 3038 | goto error; |
| 3039 | } |
| 3040 | err = _PyDict_SetItemId(f->f_locals, |
| 3041 | &PyId___annotations__, ann_dict); |
| 3042 | Py_DECREF(ann_dict); |
| 3043 | if (err != 0) { |
| 3044 | goto error; |
| 3045 | } |
| 3046 | } |
| 3047 | } |
| 3048 | else { |
| 3049 | /* do the same if locals() is not a dict */ |
| 3050 | PyObject *ann_str = _PyUnicode_FromId(&PyId___annotations__); |
| 3051 | if (ann_str == NULL) { |
Serhiy Storchaka | 4678b2f | 2016-11-08 23:13:36 +0200 | [diff] [blame] | 3052 | goto error; |
Yury Selivanov | f8cb8a1 | 2016-09-08 20:50:03 -0700 | [diff] [blame] | 3053 | } |
| 3054 | ann_dict = PyObject_GetItem(f->f_locals, ann_str); |
| 3055 | if (ann_dict == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 3056 | if (!_PyErr_ExceptionMatches(tstate, PyExc_KeyError)) { |
Yury Selivanov | f8cb8a1 | 2016-09-08 20:50:03 -0700 | [diff] [blame] | 3057 | goto error; |
| 3058 | } |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 3059 | _PyErr_Clear(tstate); |
Yury Selivanov | f8cb8a1 | 2016-09-08 20:50:03 -0700 | [diff] [blame] | 3060 | ann_dict = PyDict_New(); |
| 3061 | if (ann_dict == NULL) { |
| 3062 | goto error; |
| 3063 | } |
| 3064 | err = PyObject_SetItem(f->f_locals, ann_str, ann_dict); |
| 3065 | Py_DECREF(ann_dict); |
| 3066 | if (err != 0) { |
| 3067 | goto error; |
| 3068 | } |
| 3069 | } |
| 3070 | else { |
| 3071 | Py_DECREF(ann_dict); |
| 3072 | } |
| 3073 | } |
| 3074 | DISPATCH(); |
| 3075 | } |
| 3076 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3077 | case TARGET(BUILD_CONST_KEY_MAP): { |
Victor Stinner | 74319ae | 2016-08-25 00:04:09 +0200 | [diff] [blame] | 3078 | Py_ssize_t i; |
Serhiy Storchaka | 6a7506a | 2016-06-12 00:39:41 +0300 | [diff] [blame] | 3079 | PyObject *map; |
| 3080 | PyObject *keys = TOP(); |
| 3081 | if (!PyTuple_CheckExact(keys) || |
| 3082 | PyTuple_GET_SIZE(keys) != (Py_ssize_t)oparg) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 3083 | _PyErr_SetString(tstate, PyExc_SystemError, |
| 3084 | "bad BUILD_CONST_KEY_MAP keys argument"); |
Serhiy Storchaka | 6a7506a | 2016-06-12 00:39:41 +0300 | [diff] [blame] | 3085 | goto error; |
| 3086 | } |
| 3087 | map = _PyDict_NewPresized((Py_ssize_t)oparg); |
| 3088 | if (map == NULL) { |
| 3089 | goto error; |
| 3090 | } |
| 3091 | for (i = oparg; i > 0; i--) { |
| 3092 | int err; |
| 3093 | PyObject *key = PyTuple_GET_ITEM(keys, oparg - i); |
| 3094 | PyObject *value = PEEK(i + 1); |
| 3095 | err = PyDict_SetItem(map, key, value); |
| 3096 | if (err != 0) { |
| 3097 | Py_DECREF(map); |
| 3098 | goto error; |
| 3099 | } |
| 3100 | } |
| 3101 | |
| 3102 | Py_DECREF(POP()); |
| 3103 | while (oparg--) { |
| 3104 | Py_DECREF(POP()); |
| 3105 | } |
| 3106 | PUSH(map); |
| 3107 | DISPATCH(); |
| 3108 | } |
| 3109 | |
Mark Shannon | 8a4cd70 | 2020-01-27 09:57:45 +0000 | [diff] [blame] | 3110 | case TARGET(DICT_UPDATE): { |
| 3111 | PyObject *update = POP(); |
| 3112 | PyObject *dict = PEEK(oparg); |
| 3113 | if (PyDict_Update(dict, update) < 0) { |
| 3114 | if (_PyErr_ExceptionMatches(tstate, PyExc_AttributeError)) { |
| 3115 | _PyErr_Format(tstate, PyExc_TypeError, |
| 3116 | "'%.200s' object is not a mapping", |
Victor Stinner | a102ed7 | 2020-02-07 02:24:48 +0100 | [diff] [blame] | 3117 | Py_TYPE(update)->tp_name); |
Benjamin Peterson | 025e9eb | 2015-05-05 20:16:41 -0400 | [diff] [blame] | 3118 | } |
Mark Shannon | 8a4cd70 | 2020-01-27 09:57:45 +0000 | [diff] [blame] | 3119 | Py_DECREF(update); |
| 3120 | goto error; |
Benjamin Peterson | 025e9eb | 2015-05-05 20:16:41 -0400 | [diff] [blame] | 3121 | } |
Mark Shannon | 8a4cd70 | 2020-01-27 09:57:45 +0000 | [diff] [blame] | 3122 | Py_DECREF(update); |
Benjamin Peterson | 025e9eb | 2015-05-05 20:16:41 -0400 | [diff] [blame] | 3123 | DISPATCH(); |
| 3124 | } |
| 3125 | |
Mark Shannon | 8a4cd70 | 2020-01-27 09:57:45 +0000 | [diff] [blame] | 3126 | case TARGET(DICT_MERGE): { |
| 3127 | PyObject *update = POP(); |
| 3128 | PyObject *dict = PEEK(oparg); |
| 3129 | |
| 3130 | if (_PyDict_MergeEx(dict, update, 2) < 0) { |
| 3131 | format_kwargs_error(tstate, PEEK(2 + oparg), update); |
| 3132 | Py_DECREF(update); |
Serhiy Storchaka | e036ef8 | 2016-10-02 11:06:43 +0300 | [diff] [blame] | 3133 | goto error; |
Serhiy Storchaka | e036ef8 | 2016-10-02 11:06:43 +0300 | [diff] [blame] | 3134 | } |
Mark Shannon | 8a4cd70 | 2020-01-27 09:57:45 +0000 | [diff] [blame] | 3135 | Py_DECREF(update); |
Brandt Bucher | f185a73 | 2019-09-28 17:12:49 -0700 | [diff] [blame] | 3136 | PREDICT(CALL_FUNCTION_EX); |
Serhiy Storchaka | e036ef8 | 2016-10-02 11:06:43 +0300 | [diff] [blame] | 3137 | DISPATCH(); |
| 3138 | } |
| 3139 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3140 | case TARGET(MAP_ADD): { |
Jörn Heissler | c8a3541 | 2019-06-22 16:40:55 +0200 | [diff] [blame] | 3141 | PyObject *value = TOP(); |
| 3142 | PyObject *key = SECOND(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3143 | PyObject *map; |
| 3144 | int err; |
costypetrisor | 8ed317f | 2018-07-31 20:55:14 +0000 | [diff] [blame] | 3145 | STACK_SHRINK(2); |
Raymond Hettinger | 4186222 | 2016-10-15 19:03:06 -0700 | [diff] [blame] | 3146 | map = PEEK(oparg); /* dict */ |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3147 | assert(PyDict_CheckExact(map)); |
Martin Panter | 95f53c1 | 2016-07-18 08:23:26 +0000 | [diff] [blame] | 3148 | err = PyDict_SetItem(map, key, value); /* map[key] = value */ |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3149 | Py_DECREF(value); |
| 3150 | Py_DECREF(key); |
| 3151 | if (err != 0) |
| 3152 | goto error; |
| 3153 | PREDICT(JUMP_ABSOLUTE); |
| 3154 | DISPATCH(); |
| 3155 | } |
| 3156 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3157 | case TARGET(LOAD_ATTR): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3158 | PyObject *name = GETITEM(names, oparg); |
| 3159 | PyObject *owner = TOP(); |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3160 | |
| 3161 | PyTypeObject *type = Py_TYPE(owner); |
| 3162 | PyObject *res; |
| 3163 | PyObject **dictptr; |
| 3164 | PyObject *dict; |
| 3165 | _PyOpCodeOpt_LoadAttr *la; |
| 3166 | |
| 3167 | OPCACHE_STAT_ATTR_TOTAL(); |
| 3168 | |
| 3169 | OPCACHE_CHECK(); |
| 3170 | if (co_opcache != NULL && PyType_HasFeature(type, Py_TPFLAGS_VALID_VERSION_TAG)) |
| 3171 | { |
| 3172 | if (co_opcache->optimized > 0) { |
Guido van Rossum | 5c5a938 | 2021-01-29 18:02:29 -0800 | [diff] [blame] | 3173 | // Fast path -- cache hit makes LOAD_ATTR ~30% faster. |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3174 | la = &co_opcache->u.la; |
| 3175 | if (la->type == type && la->tp_version_tag == type->tp_version_tag) |
| 3176 | { |
Guido van Rossum | 5c5a938 | 2021-01-29 18:02:29 -0800 | [diff] [blame] | 3177 | // Hint >= 0 is a dict index; hint == -1 is a dict miss. |
| 3178 | // Hint < -1 is an inverted slot offset: offset is strictly > 0, |
| 3179 | // so ~offset is strictly < -1 (assuming 2's complement). |
| 3180 | if (la->hint < -1) { |
| 3181 | // Even faster path -- slot hint. |
| 3182 | Py_ssize_t offset = ~la->hint; |
| 3183 | // fprintf(stderr, "Using hint for offset %zd\n", offset); |
| 3184 | char *addr = (char *)owner + offset; |
| 3185 | res = *(PyObject **)addr; |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3186 | if (res != NULL) { |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3187 | Py_INCREF(res); |
| 3188 | SET_TOP(res); |
| 3189 | Py_DECREF(owner); |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3190 | DISPATCH(); |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3191 | } |
Guido van Rossum | 5c5a938 | 2021-01-29 18:02:29 -0800 | [diff] [blame] | 3192 | // Else slot is NULL. Fall through to slow path to raise AttributeError(name). |
| 3193 | // Don't DEOPT, since the slot is still there. |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3194 | } else { |
Guido van Rossum | 5c5a938 | 2021-01-29 18:02:29 -0800 | [diff] [blame] | 3195 | // Fast path for dict. |
| 3196 | assert(type->tp_dict != NULL); |
| 3197 | assert(type->tp_dictoffset > 0); |
| 3198 | |
| 3199 | dictptr = (PyObject **) ((char *)owner + type->tp_dictoffset); |
| 3200 | dict = *dictptr; |
| 3201 | if (dict != NULL && PyDict_CheckExact(dict)) { |
| 3202 | Py_ssize_t hint = la->hint; |
| 3203 | Py_INCREF(dict); |
| 3204 | res = NULL; |
| 3205 | la->hint = _PyDict_GetItemHint((PyDictObject*)dict, name, hint, &res); |
| 3206 | |
| 3207 | if (res != NULL) { |
| 3208 | if (la->hint == hint && hint >= 0) { |
| 3209 | // Our hint has helped -- cache hit. |
| 3210 | OPCACHE_STAT_ATTR_HIT(); |
| 3211 | } else { |
| 3212 | // The hint we provided didn't work. |
| 3213 | // Maybe next time? |
| 3214 | OPCACHE_MAYBE_DEOPT_LOAD_ATTR(); |
| 3215 | } |
| 3216 | |
| 3217 | Py_INCREF(res); |
| 3218 | SET_TOP(res); |
| 3219 | Py_DECREF(owner); |
| 3220 | Py_DECREF(dict); |
| 3221 | DISPATCH(); |
| 3222 | } else { |
| 3223 | // This attribute can be missing sometimes; |
| 3224 | // we don't want to optimize this lookup. |
| 3225 | OPCACHE_DEOPT_LOAD_ATTR(); |
| 3226 | Py_DECREF(dict); |
| 3227 | } |
| 3228 | } else { |
| 3229 | // There is no dict, or __dict__ doesn't satisfy PyDict_CheckExact. |
| 3230 | OPCACHE_DEOPT_LOAD_ATTR(); |
| 3231 | } |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3232 | } |
| 3233 | } else { |
| 3234 | // The type of the object has either been updated, |
| 3235 | // or is different. Maybe it will stabilize? |
| 3236 | OPCACHE_MAYBE_DEOPT_LOAD_ATTR(); |
| 3237 | } |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3238 | OPCACHE_STAT_ATTR_MISS(); |
| 3239 | } |
| 3240 | |
Guido van Rossum | 5c5a938 | 2021-01-29 18:02:29 -0800 | [diff] [blame] | 3241 | if (co_opcache != NULL && // co_opcache can be NULL after a DEOPT() call. |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3242 | type->tp_getattro == PyObject_GenericGetAttr) |
| 3243 | { |
Guido van Rossum | 5c5a938 | 2021-01-29 18:02:29 -0800 | [diff] [blame] | 3244 | if (type->tp_dict == NULL) { |
| 3245 | if (PyType_Ready(type) < 0) { |
| 3246 | Py_DECREF(owner); |
| 3247 | SET_TOP(NULL); |
| 3248 | goto error; |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3249 | } |
Guido van Rossum | 5c5a938 | 2021-01-29 18:02:29 -0800 | [diff] [blame] | 3250 | } |
| 3251 | PyObject *descr = _PyType_Lookup(type, name); |
| 3252 | if (descr != NULL) { |
| 3253 | // We found an attribute with a data-like descriptor. |
| 3254 | PyTypeObject *dtype = Py_TYPE(descr); |
| 3255 | if (dtype == &PyMemberDescr_Type) { // It's a slot |
| 3256 | PyMemberDescrObject *member = (PyMemberDescrObject *)descr; |
| 3257 | struct PyMemberDef *dmem = member->d_member; |
| 3258 | if (dmem->type == T_OBJECT_EX) { |
| 3259 | Py_ssize_t offset = dmem->offset; |
| 3260 | assert(offset > 0); // 0 would be confused with dict hint == -1 (miss). |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3261 | |
Guido van Rossum | 5c5a938 | 2021-01-29 18:02:29 -0800 | [diff] [blame] | 3262 | if (co_opcache->optimized == 0) { |
| 3263 | // First time we optimize this opcode. |
| 3264 | OPCACHE_STAT_ATTR_OPT(); |
| 3265 | co_opcache->optimized = OPCODE_CACHE_MAX_TRIES; |
| 3266 | // fprintf(stderr, "Setting hint for %s, offset %zd\n", dmem->name, offset); |
| 3267 | } |
| 3268 | |
| 3269 | la = &co_opcache->u.la; |
| 3270 | la->type = type; |
| 3271 | la->tp_version_tag = type->tp_version_tag; |
| 3272 | la->hint = ~offset; |
| 3273 | |
| 3274 | char *addr = (char *)owner + offset; |
| 3275 | res = *(PyObject **)addr; |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3276 | if (res != NULL) { |
| 3277 | Py_INCREF(res); |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3278 | Py_DECREF(owner); |
| 3279 | SET_TOP(res); |
| 3280 | |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3281 | DISPATCH(); |
| 3282 | } |
Guido van Rossum | 5c5a938 | 2021-01-29 18:02:29 -0800 | [diff] [blame] | 3283 | // Else slot is NULL. Fall through to slow path to raise AttributeError(name). |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3284 | } |
Guido van Rossum | 5c5a938 | 2021-01-29 18:02:29 -0800 | [diff] [blame] | 3285 | // Else it's a slot of a different type. We don't handle those. |
| 3286 | } |
| 3287 | // Else it's some other kind of descriptor that we don't handle. |
| 3288 | OPCACHE_DEOPT_LOAD_ATTR(); |
| 3289 | } else if (type->tp_dictoffset > 0) { |
| 3290 | // We found an instance with a __dict__. |
| 3291 | dictptr = (PyObject **) ((char *)owner + type->tp_dictoffset); |
| 3292 | dict = *dictptr; |
| 3293 | |
| 3294 | if (dict != NULL && PyDict_CheckExact(dict)) { |
| 3295 | Py_INCREF(dict); |
| 3296 | res = NULL; |
| 3297 | Py_ssize_t hint = _PyDict_GetItemHint((PyDictObject*)dict, name, -1, &res); |
| 3298 | if (res != NULL) { |
| 3299 | Py_INCREF(res); |
| 3300 | Py_DECREF(dict); |
| 3301 | Py_DECREF(owner); |
| 3302 | SET_TOP(res); |
| 3303 | |
| 3304 | if (co_opcache->optimized == 0) { |
| 3305 | // First time we optimize this opcode. |
| 3306 | OPCACHE_STAT_ATTR_OPT(); |
| 3307 | co_opcache->optimized = OPCODE_CACHE_MAX_TRIES; |
| 3308 | } |
| 3309 | |
| 3310 | la = &co_opcache->u.la; |
| 3311 | la->type = type; |
| 3312 | la->tp_version_tag = type->tp_version_tag; |
| 3313 | la->hint = hint; |
| 3314 | |
| 3315 | DISPATCH(); |
| 3316 | } |
| 3317 | Py_DECREF(dict); |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3318 | } else { |
Guido van Rossum | 5c5a938 | 2021-01-29 18:02:29 -0800 | [diff] [blame] | 3319 | // There is no dict, or __dict__ doesn't satisfy PyDict_CheckExact. |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3320 | OPCACHE_DEOPT_LOAD_ATTR(); |
| 3321 | } |
| 3322 | } else { |
Guido van Rossum | 5c5a938 | 2021-01-29 18:02:29 -0800 | [diff] [blame] | 3323 | // The object's class does not have a tp_dictoffset we can use. |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3324 | OPCACHE_DEOPT_LOAD_ATTR(); |
| 3325 | } |
| 3326 | } else if (type->tp_getattro != PyObject_GenericGetAttr) { |
| 3327 | OPCACHE_DEOPT_LOAD_ATTR(); |
| 3328 | } |
| 3329 | } |
| 3330 | |
Guido van Rossum | 5c5a938 | 2021-01-29 18:02:29 -0800 | [diff] [blame] | 3331 | // Slow path. |
Pablo Galindo | 109826c | 2020-10-20 06:22:44 +0100 | [diff] [blame] | 3332 | res = PyObject_GetAttr(owner, name); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3333 | Py_DECREF(owner); |
| 3334 | SET_TOP(res); |
| 3335 | if (res == NULL) |
| 3336 | goto error; |
| 3337 | DISPATCH(); |
| 3338 | } |
| 3339 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3340 | case TARGET(COMPARE_OP): { |
Mark Shannon | 9af0e47 | 2020-01-14 10:12:45 +0000 | [diff] [blame] | 3341 | assert(oparg <= Py_GE); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3342 | PyObject *right = POP(); |
| 3343 | PyObject *left = TOP(); |
Mark Shannon | 9af0e47 | 2020-01-14 10:12:45 +0000 | [diff] [blame] | 3344 | PyObject *res = PyObject_RichCompare(left, right, oparg); |
| 3345 | SET_TOP(res); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3346 | Py_DECREF(left); |
| 3347 | Py_DECREF(right); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3348 | if (res == NULL) |
| 3349 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3350 | PREDICT(POP_JUMP_IF_FALSE); |
| 3351 | PREDICT(POP_JUMP_IF_TRUE); |
| 3352 | DISPATCH(); |
Victor Stinner | 3c1e481 | 2012-03-26 22:10:51 +0200 | [diff] [blame] | 3353 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 3354 | |
Mark Shannon | 9af0e47 | 2020-01-14 10:12:45 +0000 | [diff] [blame] | 3355 | case TARGET(IS_OP): { |
| 3356 | PyObject *right = POP(); |
| 3357 | PyObject *left = TOP(); |
| 3358 | int res = (left == right)^oparg; |
| 3359 | PyObject *b = res ? Py_True : Py_False; |
| 3360 | Py_INCREF(b); |
| 3361 | SET_TOP(b); |
| 3362 | Py_DECREF(left); |
| 3363 | Py_DECREF(right); |
| 3364 | PREDICT(POP_JUMP_IF_FALSE); |
| 3365 | PREDICT(POP_JUMP_IF_TRUE); |
| 3366 | FAST_DISPATCH(); |
| 3367 | } |
| 3368 | |
| 3369 | case TARGET(CONTAINS_OP): { |
| 3370 | PyObject *right = POP(); |
| 3371 | PyObject *left = POP(); |
| 3372 | int res = PySequence_Contains(right, left); |
| 3373 | Py_DECREF(left); |
| 3374 | Py_DECREF(right); |
| 3375 | if (res < 0) { |
| 3376 | goto error; |
| 3377 | } |
| 3378 | PyObject *b = (res^oparg) ? Py_True : Py_False; |
| 3379 | Py_INCREF(b); |
| 3380 | PUSH(b); |
| 3381 | PREDICT(POP_JUMP_IF_FALSE); |
| 3382 | PREDICT(POP_JUMP_IF_TRUE); |
| 3383 | FAST_DISPATCH(); |
| 3384 | } |
| 3385 | |
| 3386 | #define CANNOT_CATCH_MSG "catching classes that do not inherit from "\ |
| 3387 | "BaseException is not allowed" |
| 3388 | |
| 3389 | case TARGET(JUMP_IF_NOT_EXC_MATCH): { |
| 3390 | PyObject *right = POP(); |
| 3391 | PyObject *left = POP(); |
| 3392 | if (PyTuple_Check(right)) { |
| 3393 | Py_ssize_t i, length; |
| 3394 | length = PyTuple_GET_SIZE(right); |
| 3395 | for (i = 0; i < length; i++) { |
| 3396 | PyObject *exc = PyTuple_GET_ITEM(right, i); |
| 3397 | if (!PyExceptionClass_Check(exc)) { |
| 3398 | _PyErr_SetString(tstate, PyExc_TypeError, |
| 3399 | CANNOT_CATCH_MSG); |
| 3400 | Py_DECREF(left); |
| 3401 | Py_DECREF(right); |
| 3402 | goto error; |
| 3403 | } |
| 3404 | } |
| 3405 | } |
| 3406 | else { |
| 3407 | if (!PyExceptionClass_Check(right)) { |
| 3408 | _PyErr_SetString(tstate, PyExc_TypeError, |
| 3409 | CANNOT_CATCH_MSG); |
| 3410 | Py_DECREF(left); |
| 3411 | Py_DECREF(right); |
| 3412 | goto error; |
| 3413 | } |
| 3414 | } |
| 3415 | int res = PyErr_GivenExceptionMatches(left, right); |
| 3416 | Py_DECREF(left); |
| 3417 | Py_DECREF(right); |
| 3418 | if (res > 0) { |
| 3419 | /* Exception matches -- Do nothing */; |
| 3420 | } |
| 3421 | else if (res == 0) { |
| 3422 | JUMPTO(oparg); |
| 3423 | } |
| 3424 | else { |
| 3425 | goto error; |
| 3426 | } |
| 3427 | DISPATCH(); |
| 3428 | } |
| 3429 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3430 | case TARGET(IMPORT_NAME): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3431 | PyObject *name = GETITEM(names, oparg); |
Serhiy Storchaka | 133138a | 2016-08-02 22:51:21 +0300 | [diff] [blame] | 3432 | PyObject *fromlist = POP(); |
| 3433 | PyObject *level = TOP(); |
| 3434 | PyObject *res; |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 3435 | res = import_name(tstate, f, name, fromlist, level); |
Serhiy Storchaka | 133138a | 2016-08-02 22:51:21 +0300 | [diff] [blame] | 3436 | Py_DECREF(level); |
| 3437 | Py_DECREF(fromlist); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3438 | SET_TOP(res); |
| 3439 | if (res == NULL) |
| 3440 | goto error; |
| 3441 | DISPATCH(); |
| 3442 | } |
| 3443 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3444 | case TARGET(IMPORT_STAR): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3445 | PyObject *from = POP(), *locals; |
| 3446 | int err; |
Matthias Bussonnier | 160edb4 | 2017-02-25 21:58:05 -0800 | [diff] [blame] | 3447 | if (PyFrame_FastToLocalsWithError(f) < 0) { |
| 3448 | Py_DECREF(from); |
Victor Stinner | 41bb43a | 2013-10-29 01:19:37 +0100 | [diff] [blame] | 3449 | goto error; |
Matthias Bussonnier | 160edb4 | 2017-02-25 21:58:05 -0800 | [diff] [blame] | 3450 | } |
Victor Stinner | 41bb43a | 2013-10-29 01:19:37 +0100 | [diff] [blame] | 3451 | |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3452 | locals = f->f_locals; |
| 3453 | if (locals == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 3454 | _PyErr_SetString(tstate, PyExc_SystemError, |
| 3455 | "no locals found during 'import *'"); |
Matthias Bussonnier | 160edb4 | 2017-02-25 21:58:05 -0800 | [diff] [blame] | 3456 | Py_DECREF(from); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3457 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3458 | } |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 3459 | err = import_all_from(tstate, locals, from); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3460 | PyFrame_LocalsToFast(f, 0); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3461 | Py_DECREF(from); |
| 3462 | if (err != 0) |
| 3463 | goto error; |
| 3464 | DISPATCH(); |
| 3465 | } |
Guido van Rossum | 2583165 | 1993-05-19 14:50:45 +0000 | [diff] [blame] | 3466 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3467 | case TARGET(IMPORT_FROM): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3468 | PyObject *name = GETITEM(names, oparg); |
| 3469 | PyObject *from = TOP(); |
| 3470 | PyObject *res; |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 3471 | res = import_from(tstate, from, name); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3472 | PUSH(res); |
| 3473 | if (res == NULL) |
| 3474 | goto error; |
| 3475 | DISPATCH(); |
| 3476 | } |
Thomas Wouters | 5215225 | 2000-08-17 22:55:00 +0000 | [diff] [blame] | 3477 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3478 | case TARGET(JUMP_FORWARD): { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3479 | JUMPBY(oparg); |
| 3480 | FAST_DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3481 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 3482 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3483 | case TARGET(POP_JUMP_IF_FALSE): { |
| 3484 | PREDICTED(POP_JUMP_IF_FALSE); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3485 | PyObject *cond = POP(); |
| 3486 | int err; |
| 3487 | if (cond == Py_True) { |
| 3488 | Py_DECREF(cond); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3489 | FAST_DISPATCH(); |
| 3490 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3491 | if (cond == Py_False) { |
| 3492 | Py_DECREF(cond); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3493 | JUMPTO(oparg); |
| 3494 | FAST_DISPATCH(); |
| 3495 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3496 | err = PyObject_IsTrue(cond); |
| 3497 | Py_DECREF(cond); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3498 | if (err > 0) |
Adrian Wielgosik | 50c2850 | 2017-06-23 13:35:41 -0700 | [diff] [blame] | 3499 | ; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3500 | else if (err == 0) |
| 3501 | JUMPTO(oparg); |
| 3502 | else |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3503 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3504 | DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3505 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 3506 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3507 | case TARGET(POP_JUMP_IF_TRUE): { |
| 3508 | PREDICTED(POP_JUMP_IF_TRUE); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3509 | PyObject *cond = POP(); |
| 3510 | int err; |
| 3511 | if (cond == Py_False) { |
| 3512 | Py_DECREF(cond); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3513 | FAST_DISPATCH(); |
| 3514 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3515 | if (cond == Py_True) { |
| 3516 | Py_DECREF(cond); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3517 | JUMPTO(oparg); |
| 3518 | FAST_DISPATCH(); |
| 3519 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3520 | err = PyObject_IsTrue(cond); |
| 3521 | Py_DECREF(cond); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3522 | if (err > 0) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3523 | JUMPTO(oparg); |
| 3524 | } |
| 3525 | else if (err == 0) |
| 3526 | ; |
| 3527 | else |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3528 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3529 | DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3530 | } |
Jeffrey Yasskin | 9de7ec7 | 2009-02-25 02:25:04 +0000 | [diff] [blame] | 3531 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3532 | case TARGET(JUMP_IF_FALSE_OR_POP): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3533 | PyObject *cond = TOP(); |
| 3534 | int err; |
| 3535 | if (cond == Py_True) { |
costypetrisor | 8ed317f | 2018-07-31 20:55:14 +0000 | [diff] [blame] | 3536 | STACK_SHRINK(1); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3537 | Py_DECREF(cond); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3538 | FAST_DISPATCH(); |
| 3539 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3540 | if (cond == Py_False) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3541 | JUMPTO(oparg); |
| 3542 | FAST_DISPATCH(); |
| 3543 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3544 | err = PyObject_IsTrue(cond); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3545 | if (err > 0) { |
costypetrisor | 8ed317f | 2018-07-31 20:55:14 +0000 | [diff] [blame] | 3546 | STACK_SHRINK(1); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3547 | Py_DECREF(cond); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3548 | } |
| 3549 | else if (err == 0) |
| 3550 | JUMPTO(oparg); |
| 3551 | else |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3552 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3553 | DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3554 | } |
Jeffrey Yasskin | 9de7ec7 | 2009-02-25 02:25:04 +0000 | [diff] [blame] | 3555 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3556 | case TARGET(JUMP_IF_TRUE_OR_POP): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3557 | PyObject *cond = TOP(); |
| 3558 | int err; |
| 3559 | if (cond == Py_False) { |
costypetrisor | 8ed317f | 2018-07-31 20:55:14 +0000 | [diff] [blame] | 3560 | STACK_SHRINK(1); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3561 | Py_DECREF(cond); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3562 | FAST_DISPATCH(); |
| 3563 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3564 | if (cond == Py_True) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3565 | JUMPTO(oparg); |
| 3566 | FAST_DISPATCH(); |
| 3567 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3568 | err = PyObject_IsTrue(cond); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3569 | if (err > 0) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3570 | JUMPTO(oparg); |
| 3571 | } |
| 3572 | else if (err == 0) { |
costypetrisor | 8ed317f | 2018-07-31 20:55:14 +0000 | [diff] [blame] | 3573 | STACK_SHRINK(1); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3574 | Py_DECREF(cond); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3575 | } |
| 3576 | else |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3577 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3578 | DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3579 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 3580 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3581 | case TARGET(JUMP_ABSOLUTE): { |
| 3582 | PREDICTED(JUMP_ABSOLUTE); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3583 | JUMPTO(oparg); |
Guido van Rossum | 58da931 | 2007-11-10 23:39:45 +0000 | [diff] [blame] | 3584 | #if FAST_LOOPS |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3585 | /* Enabling this path speeds-up all while and for-loops by bypassing |
| 3586 | the per-loop checks for signals. By default, this should be turned-off |
| 3587 | because it prevents detection of a control-break in tight loops like |
| 3588 | "while 1: pass". Compile with this option turned-on when you need |
| 3589 | the speed-up and do not need break checking inside tight loops (ones |
| 3590 | that contain only instructions ending with FAST_DISPATCH). |
| 3591 | */ |
| 3592 | FAST_DISPATCH(); |
Guido van Rossum | 58da931 | 2007-11-10 23:39:45 +0000 | [diff] [blame] | 3593 | #else |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3594 | DISPATCH(); |
Guido van Rossum | 58da931 | 2007-11-10 23:39:45 +0000 | [diff] [blame] | 3595 | #endif |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3596 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 3597 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3598 | case TARGET(GET_ITER): { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3599 | /* before: [obj]; after [getiter(obj)] */ |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3600 | PyObject *iterable = TOP(); |
Yury Selivanov | 5376ba9 | 2015-06-22 12:19:30 -0400 | [diff] [blame] | 3601 | PyObject *iter = PyObject_GetIter(iterable); |
| 3602 | Py_DECREF(iterable); |
| 3603 | SET_TOP(iter); |
| 3604 | if (iter == NULL) |
| 3605 | goto error; |
| 3606 | PREDICT(FOR_ITER); |
Serhiy Storchaka | da9c513 | 2016-06-27 18:58:57 +0300 | [diff] [blame] | 3607 | PREDICT(CALL_FUNCTION); |
Yury Selivanov | 5376ba9 | 2015-06-22 12:19:30 -0400 | [diff] [blame] | 3608 | DISPATCH(); |
| 3609 | } |
| 3610 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3611 | case TARGET(GET_YIELD_FROM_ITER): { |
Yury Selivanov | 5376ba9 | 2015-06-22 12:19:30 -0400 | [diff] [blame] | 3612 | /* before: [obj]; after [getiter(obj)] */ |
| 3613 | PyObject *iterable = TOP(); |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 3614 | PyObject *iter; |
Yury Selivanov | 5376ba9 | 2015-06-22 12:19:30 -0400 | [diff] [blame] | 3615 | if (PyCoro_CheckExact(iterable)) { |
| 3616 | /* `iterable` is a coroutine */ |
| 3617 | if (!(co->co_flags & (CO_COROUTINE | CO_ITERABLE_COROUTINE))) { |
| 3618 | /* and it is used in a 'yield from' expression of a |
| 3619 | regular generator. */ |
| 3620 | Py_DECREF(iterable); |
| 3621 | SET_TOP(NULL); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 3622 | _PyErr_SetString(tstate, PyExc_TypeError, |
| 3623 | "cannot 'yield from' a coroutine object " |
| 3624 | "in a non-coroutine generator"); |
Yury Selivanov | 5376ba9 | 2015-06-22 12:19:30 -0400 | [diff] [blame] | 3625 | goto error; |
| 3626 | } |
| 3627 | } |
| 3628 | else if (!PyGen_CheckExact(iterable)) { |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 3629 | /* `iterable` is not a generator. */ |
| 3630 | iter = PyObject_GetIter(iterable); |
| 3631 | Py_DECREF(iterable); |
| 3632 | SET_TOP(iter); |
| 3633 | if (iter == NULL) |
| 3634 | goto error; |
| 3635 | } |
Serhiy Storchaka | da9c513 | 2016-06-27 18:58:57 +0300 | [diff] [blame] | 3636 | PREDICT(LOAD_CONST); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3637 | DISPATCH(); |
| 3638 | } |
Guido van Rossum | 59d1d2b | 2001-04-20 19:13:02 +0000 | [diff] [blame] | 3639 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3640 | case TARGET(FOR_ITER): { |
| 3641 | PREDICTED(FOR_ITER); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3642 | /* before: [iter]; after: [iter, iter()] *or* [] */ |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3643 | PyObject *iter = TOP(); |
Victor Stinner | a102ed7 | 2020-02-07 02:24:48 +0100 | [diff] [blame] | 3644 | PyObject *next = (*Py_TYPE(iter)->tp_iternext)(iter); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3645 | if (next != NULL) { |
| 3646 | PUSH(next); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3647 | PREDICT(STORE_FAST); |
| 3648 | PREDICT(UNPACK_SEQUENCE); |
| 3649 | DISPATCH(); |
| 3650 | } |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 3651 | if (_PyErr_Occurred(tstate)) { |
| 3652 | if (!_PyErr_ExceptionMatches(tstate, PyExc_StopIteration)) { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3653 | goto error; |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 3654 | } |
| 3655 | else if (tstate->c_tracefunc != NULL) { |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 3656 | call_exc_trace(tstate->c_tracefunc, tstate->c_traceobj, tstate, f, &bounds); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 3657 | } |
| 3658 | _PyErr_Clear(tstate); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3659 | } |
| 3660 | /* iterator ended normally */ |
costypetrisor | 8ed317f | 2018-07-31 20:55:14 +0000 | [diff] [blame] | 3661 | STACK_SHRINK(1); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3662 | Py_DECREF(iter); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3663 | JUMPBY(oparg); |
| 3664 | DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3665 | } |
Guido van Rossum | 59d1d2b | 2001-04-20 19:13:02 +0000 | [diff] [blame] | 3666 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3667 | case TARGET(SETUP_FINALLY): { |
Serhiy Storchaka | 520b7ae | 2018-02-22 23:33:30 +0200 | [diff] [blame] | 3668 | PyFrame_BlockSetup(f, SETUP_FINALLY, INSTR_OFFSET() + oparg, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3669 | STACK_LEVEL()); |
| 3670 | DISPATCH(); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3671 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 3672 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3673 | case TARGET(BEFORE_ASYNC_WITH): { |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 3674 | _Py_IDENTIFIER(__aenter__); |
Géry Ogam | 1d1b97a | 2020-01-14 12:58:29 +0100 | [diff] [blame] | 3675 | _Py_IDENTIFIER(__aexit__); |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 3676 | PyObject *mgr = TOP(); |
Géry Ogam | 1d1b97a | 2020-01-14 12:58:29 +0100 | [diff] [blame] | 3677 | PyObject *enter = special_lookup(tstate, mgr, &PyId___aenter__); |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 3678 | PyObject *res; |
Géry Ogam | 1d1b97a | 2020-01-14 12:58:29 +0100 | [diff] [blame] | 3679 | if (enter == NULL) { |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 3680 | goto error; |
Géry Ogam | 1d1b97a | 2020-01-14 12:58:29 +0100 | [diff] [blame] | 3681 | } |
| 3682 | PyObject *exit = special_lookup(tstate, mgr, &PyId___aexit__); |
| 3683 | if (exit == NULL) { |
| 3684 | Py_DECREF(enter); |
| 3685 | goto error; |
| 3686 | } |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 3687 | SET_TOP(exit); |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 3688 | Py_DECREF(mgr); |
Victor Stinner | f17c3de | 2016-12-06 18:46:19 +0100 | [diff] [blame] | 3689 | res = _PyObject_CallNoArg(enter); |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 3690 | Py_DECREF(enter); |
| 3691 | if (res == NULL) |
| 3692 | goto error; |
| 3693 | PUSH(res); |
Serhiy Storchaka | da9c513 | 2016-06-27 18:58:57 +0300 | [diff] [blame] | 3694 | PREDICT(GET_AWAITABLE); |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 3695 | DISPATCH(); |
| 3696 | } |
| 3697 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3698 | case TARGET(SETUP_ASYNC_WITH): { |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 3699 | PyObject *res = POP(); |
| 3700 | /* Setup the finally block before pushing the result |
| 3701 | of __aenter__ on the stack. */ |
| 3702 | PyFrame_BlockSetup(f, SETUP_FINALLY, INSTR_OFFSET() + oparg, |
| 3703 | STACK_LEVEL()); |
| 3704 | PUSH(res); |
| 3705 | DISPATCH(); |
| 3706 | } |
| 3707 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3708 | case TARGET(SETUP_WITH): { |
Benjamin Peterson | ce79852 | 2012-01-22 11:24:29 -0500 | [diff] [blame] | 3709 | _Py_IDENTIFIER(__enter__); |
Géry Ogam | 1d1b97a | 2020-01-14 12:58:29 +0100 | [diff] [blame] | 3710 | _Py_IDENTIFIER(__exit__); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3711 | PyObject *mgr = TOP(); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 3712 | PyObject *enter = special_lookup(tstate, mgr, &PyId___enter__); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3713 | PyObject *res; |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 3714 | if (enter == NULL) { |
Raymond Hettinger | a3fec15 | 2016-11-21 17:24:23 -0800 | [diff] [blame] | 3715 | goto error; |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 3716 | } |
| 3717 | PyObject *exit = special_lookup(tstate, mgr, &PyId___exit__); |
Raymond Hettinger | 64e2f9a | 2016-11-22 11:50:40 -0800 | [diff] [blame] | 3718 | if (exit == NULL) { |
| 3719 | Py_DECREF(enter); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3720 | goto error; |
Raymond Hettinger | 64e2f9a | 2016-11-22 11:50:40 -0800 | [diff] [blame] | 3721 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3722 | SET_TOP(exit); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3723 | Py_DECREF(mgr); |
Victor Stinner | f17c3de | 2016-12-06 18:46:19 +0100 | [diff] [blame] | 3724 | res = _PyObject_CallNoArg(enter); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3725 | Py_DECREF(enter); |
| 3726 | if (res == NULL) |
| 3727 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3728 | /* Setup the finally block before pushing the result |
| 3729 | of __enter__ on the stack. */ |
| 3730 | PyFrame_BlockSetup(f, SETUP_FINALLY, INSTR_OFFSET() + oparg, |
| 3731 | STACK_LEVEL()); |
Benjamin Peterson | 876b2f2 | 2009-06-28 03:18:59 +0000 | [diff] [blame] | 3732 | |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3733 | PUSH(res); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3734 | DISPATCH(); |
| 3735 | } |
Benjamin Peterson | 876b2f2 | 2009-06-28 03:18:59 +0000 | [diff] [blame] | 3736 | |
Mark Shannon | fee5526 | 2019-11-21 09:11:43 +0000 | [diff] [blame] | 3737 | case TARGET(WITH_EXCEPT_START): { |
| 3738 | /* At the top of the stack are 7 values: |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3739 | - (TOP, SECOND, THIRD) = exc_info() |
Mark Shannon | fee5526 | 2019-11-21 09:11:43 +0000 | [diff] [blame] | 3740 | - (FOURTH, FIFTH, SIXTH) = previous exception for EXCEPT_HANDLER |
| 3741 | - SEVENTH: the context.__exit__ bound method |
| 3742 | We call SEVENTH(TOP, SECOND, THIRD). |
| 3743 | Then we push again the TOP exception and the __exit__ |
| 3744 | return value. |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3745 | */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3746 | PyObject *exit_func; |
Victor Stinner | 842cfff | 2016-12-01 14:45:31 +0100 | [diff] [blame] | 3747 | PyObject *exc, *val, *tb, *res; |
| 3748 | |
Victor Stinner | 842cfff | 2016-12-01 14:45:31 +0100 | [diff] [blame] | 3749 | exc = TOP(); |
Mark Shannon | fee5526 | 2019-11-21 09:11:43 +0000 | [diff] [blame] | 3750 | val = SECOND(); |
| 3751 | tb = THIRD(); |
| 3752 | assert(exc != Py_None); |
| 3753 | assert(!PyLong_Check(exc)); |
| 3754 | exit_func = PEEK(7); |
Jeroen Demeyer | 469d1a7 | 2019-07-03 12:52:21 +0200 | [diff] [blame] | 3755 | PyObject *stack[4] = {NULL, exc, val, tb}; |
Petr Viktorin | ffd9753 | 2020-02-11 17:46:57 +0100 | [diff] [blame] | 3756 | res = PyObject_Vectorcall(exit_func, stack + 1, |
Jeroen Demeyer | 469d1a7 | 2019-07-03 12:52:21 +0200 | [diff] [blame] | 3757 | 3 | PY_VECTORCALL_ARGUMENTS_OFFSET, NULL); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3758 | if (res == NULL) |
| 3759 | goto error; |
Amaury Forgeot d'Arc | 10b24e8 | 2008-12-10 23:49:33 +0000 | [diff] [blame] | 3760 | |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 3761 | PUSH(res); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3762 | DISPATCH(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3763 | } |
Guido van Rossum | c2e2074 | 2006-02-27 22:32:47 +0000 | [diff] [blame] | 3764 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3765 | case TARGET(LOAD_METHOD): { |
Andrey | b021ba5 | 2019-04-29 14:33:26 +1000 | [diff] [blame] | 3766 | /* Designed to work in tandem with CALL_METHOD. */ |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3767 | PyObject *name = GETITEM(names, oparg); |
| 3768 | PyObject *obj = TOP(); |
| 3769 | PyObject *meth = NULL; |
| 3770 | |
| 3771 | int meth_found = _PyObject_GetMethod(obj, name, &meth); |
| 3772 | |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3773 | if (meth == NULL) { |
| 3774 | /* Most likely attribute wasn't found. */ |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3775 | goto error; |
| 3776 | } |
| 3777 | |
| 3778 | if (meth_found) { |
INADA Naoki | 015bce6 | 2017-01-16 17:23:30 +0900 | [diff] [blame] | 3779 | /* We can bypass temporary bound method object. |
| 3780 | meth is unbound method and obj is self. |
Victor Stinner | a8cb515 | 2017-01-18 14:12:51 +0100 | [diff] [blame] | 3781 | |
INADA Naoki | 015bce6 | 2017-01-16 17:23:30 +0900 | [diff] [blame] | 3782 | meth | self | arg1 | ... | argN |
| 3783 | */ |
| 3784 | SET_TOP(meth); |
| 3785 | PUSH(obj); // self |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3786 | } |
| 3787 | else { |
INADA Naoki | 015bce6 | 2017-01-16 17:23:30 +0900 | [diff] [blame] | 3788 | /* meth is not an unbound method (but a regular attr, or |
| 3789 | something was returned by a descriptor protocol). Set |
| 3790 | the second element of the stack to NULL, to signal |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3791 | CALL_METHOD that it's not a method call. |
INADA Naoki | 015bce6 | 2017-01-16 17:23:30 +0900 | [diff] [blame] | 3792 | |
| 3793 | NULL | meth | arg1 | ... | argN |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3794 | */ |
INADA Naoki | 015bce6 | 2017-01-16 17:23:30 +0900 | [diff] [blame] | 3795 | SET_TOP(NULL); |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3796 | Py_DECREF(obj); |
INADA Naoki | 015bce6 | 2017-01-16 17:23:30 +0900 | [diff] [blame] | 3797 | PUSH(meth); |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3798 | } |
| 3799 | DISPATCH(); |
| 3800 | } |
| 3801 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3802 | case TARGET(CALL_METHOD): { |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3803 | /* Designed to work in tamdem with LOAD_METHOD. */ |
INADA Naoki | 015bce6 | 2017-01-16 17:23:30 +0900 | [diff] [blame] | 3804 | PyObject **sp, *res, *meth; |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3805 | |
| 3806 | sp = stack_pointer; |
| 3807 | |
INADA Naoki | 015bce6 | 2017-01-16 17:23:30 +0900 | [diff] [blame] | 3808 | meth = PEEK(oparg + 2); |
| 3809 | if (meth == NULL) { |
| 3810 | /* `meth` is NULL when LOAD_METHOD thinks that it's not |
| 3811 | a method call. |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3812 | |
| 3813 | Stack layout: |
| 3814 | |
INADA Naoki | 015bce6 | 2017-01-16 17:23:30 +0900 | [diff] [blame] | 3815 | ... | NULL | callable | arg1 | ... | argN |
| 3816 | ^- TOP() |
| 3817 | ^- (-oparg) |
| 3818 | ^- (-oparg-1) |
| 3819 | ^- (-oparg-2) |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3820 | |
Ville Skyttä | 49b2734 | 2017-08-03 09:00:59 +0300 | [diff] [blame] | 3821 | `callable` will be POPed by call_function. |
INADA Naoki | 015bce6 | 2017-01-16 17:23:30 +0900 | [diff] [blame] | 3822 | NULL will will be POPed manually later. |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3823 | */ |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 3824 | res = call_function(tstate, &bounds, &sp, oparg, NULL); |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3825 | stack_pointer = sp; |
INADA Naoki | 015bce6 | 2017-01-16 17:23:30 +0900 | [diff] [blame] | 3826 | (void)POP(); /* POP the NULL. */ |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3827 | } |
| 3828 | else { |
| 3829 | /* This is a method call. Stack layout: |
| 3830 | |
INADA Naoki | 015bce6 | 2017-01-16 17:23:30 +0900 | [diff] [blame] | 3831 | ... | method | self | arg1 | ... | argN |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3832 | ^- TOP() |
| 3833 | ^- (-oparg) |
INADA Naoki | 015bce6 | 2017-01-16 17:23:30 +0900 | [diff] [blame] | 3834 | ^- (-oparg-1) |
| 3835 | ^- (-oparg-2) |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3836 | |
INADA Naoki | 015bce6 | 2017-01-16 17:23:30 +0900 | [diff] [blame] | 3837 | `self` and `method` will be POPed by call_function. |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3838 | We'll be passing `oparg + 1` to call_function, to |
INADA Naoki | 015bce6 | 2017-01-16 17:23:30 +0900 | [diff] [blame] | 3839 | make it accept the `self` as a first argument. |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3840 | */ |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 3841 | res = call_function(tstate, &bounds, &sp, oparg + 1, NULL); |
Yury Selivanov | f239213 | 2016-12-13 19:03:51 -0500 | [diff] [blame] | 3842 | stack_pointer = sp; |
| 3843 | } |
| 3844 | |
| 3845 | PUSH(res); |
| 3846 | if (res == NULL) |
| 3847 | goto error; |
| 3848 | DISPATCH(); |
| 3849 | } |
| 3850 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3851 | case TARGET(CALL_FUNCTION): { |
| 3852 | PREDICTED(CALL_FUNCTION); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3853 | PyObject **sp, *res; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3854 | sp = stack_pointer; |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 3855 | res = call_function(tstate, &bounds, &sp, oparg, NULL); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3856 | stack_pointer = sp; |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3857 | PUSH(res); |
Victor Stinner | f9b760f | 2016-09-09 10:17:08 -0700 | [diff] [blame] | 3858 | if (res == NULL) { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3859 | goto error; |
Victor Stinner | f9b760f | 2016-09-09 10:17:08 -0700 | [diff] [blame] | 3860 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3861 | DISPATCH(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3862 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 3863 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3864 | case TARGET(CALL_FUNCTION_KW): { |
Victor Stinner | f9b760f | 2016-09-09 10:17:08 -0700 | [diff] [blame] | 3865 | PyObject **sp, *res, *names; |
| 3866 | |
| 3867 | names = POP(); |
Jeroen Demeyer | 0567786 | 2019-08-16 12:41:27 +0200 | [diff] [blame] | 3868 | assert(PyTuple_Check(names)); |
| 3869 | assert(PyTuple_GET_SIZE(names) <= oparg); |
| 3870 | /* We assume without checking that names contains only strings */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3871 | sp = stack_pointer; |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 3872 | res = call_function(tstate, &bounds, &sp, oparg, names); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3873 | stack_pointer = sp; |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3874 | PUSH(res); |
Victor Stinner | f9b760f | 2016-09-09 10:17:08 -0700 | [diff] [blame] | 3875 | Py_DECREF(names); |
| 3876 | |
| 3877 | if (res == NULL) { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3878 | goto error; |
Victor Stinner | f9b760f | 2016-09-09 10:17:08 -0700 | [diff] [blame] | 3879 | } |
| 3880 | DISPATCH(); |
| 3881 | } |
| 3882 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3883 | case TARGET(CALL_FUNCTION_EX): { |
Brandt Bucher | f185a73 | 2019-09-28 17:12:49 -0700 | [diff] [blame] | 3884 | PREDICTED(CALL_FUNCTION_EX); |
Victor Stinner | f9b760f | 2016-09-09 10:17:08 -0700 | [diff] [blame] | 3885 | PyObject *func, *callargs, *kwargs = NULL, *result; |
Victor Stinner | f9b760f | 2016-09-09 10:17:08 -0700 | [diff] [blame] | 3886 | if (oparg & 0x01) { |
| 3887 | kwargs = POP(); |
Serhiy Storchaka | b728105 | 2016-09-12 00:52:40 +0300 | [diff] [blame] | 3888 | if (!PyDict_CheckExact(kwargs)) { |
| 3889 | PyObject *d = PyDict_New(); |
| 3890 | if (d == NULL) |
| 3891 | goto error; |
Serhiy Storchaka | f1ec3ce | 2019-01-12 10:12:24 +0200 | [diff] [blame] | 3892 | if (_PyDict_MergeEx(d, kwargs, 2) < 0) { |
Serhiy Storchaka | b728105 | 2016-09-12 00:52:40 +0300 | [diff] [blame] | 3893 | Py_DECREF(d); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 3894 | format_kwargs_error(tstate, SECOND(), kwargs); |
Victor Stinner | eece222 | 2016-09-12 11:16:37 +0200 | [diff] [blame] | 3895 | Py_DECREF(kwargs); |
Serhiy Storchaka | b728105 | 2016-09-12 00:52:40 +0300 | [diff] [blame] | 3896 | goto error; |
| 3897 | } |
| 3898 | Py_DECREF(kwargs); |
| 3899 | kwargs = d; |
| 3900 | } |
Victor Stinner | f9b760f | 2016-09-09 10:17:08 -0700 | [diff] [blame] | 3901 | assert(PyDict_CheckExact(kwargs)); |
| 3902 | } |
| 3903 | callargs = POP(); |
Victor Stinner | f9b760f | 2016-09-09 10:17:08 -0700 | [diff] [blame] | 3904 | func = TOP(); |
Serhiy Storchaka | 63dc548 | 2016-09-22 19:41:20 +0300 | [diff] [blame] | 3905 | if (!PyTuple_CheckExact(callargs)) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 3906 | if (check_args_iterable(tstate, func, callargs) < 0) { |
Victor Stinner | eece222 | 2016-09-12 11:16:37 +0200 | [diff] [blame] | 3907 | Py_DECREF(callargs); |
Serhiy Storchaka | b728105 | 2016-09-12 00:52:40 +0300 | [diff] [blame] | 3908 | goto error; |
| 3909 | } |
| 3910 | Py_SETREF(callargs, PySequence_Tuple(callargs)); |
| 3911 | if (callargs == NULL) { |
| 3912 | goto error; |
| 3913 | } |
| 3914 | } |
Serhiy Storchaka | 63dc548 | 2016-09-22 19:41:20 +0300 | [diff] [blame] | 3915 | assert(PyTuple_CheckExact(callargs)); |
Victor Stinner | f9b760f | 2016-09-09 10:17:08 -0700 | [diff] [blame] | 3916 | |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 3917 | result = do_call_core(tstate, &bounds, func, callargs, kwargs); |
Victor Stinner | f9b760f | 2016-09-09 10:17:08 -0700 | [diff] [blame] | 3918 | Py_DECREF(func); |
| 3919 | Py_DECREF(callargs); |
| 3920 | Py_XDECREF(kwargs); |
| 3921 | |
| 3922 | SET_TOP(result); |
| 3923 | if (result == NULL) { |
| 3924 | goto error; |
| 3925 | } |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3926 | DISPATCH(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3927 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 3928 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3929 | case TARGET(MAKE_FUNCTION): { |
Serhiy Storchaka | 64204de | 2016-06-12 17:36:24 +0300 | [diff] [blame] | 3930 | PyObject *qualname = POP(); |
| 3931 | PyObject *codeobj = POP(); |
| 3932 | PyFunctionObject *func = (PyFunctionObject *) |
| 3933 | PyFunction_NewWithQualName(codeobj, f->f_globals, qualname); |
Guido van Rossum | 4f72a78 | 2006-10-27 23:31:49 +0000 | [diff] [blame] | 3934 | |
Serhiy Storchaka | 64204de | 2016-06-12 17:36:24 +0300 | [diff] [blame] | 3935 | Py_DECREF(codeobj); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3936 | Py_DECREF(qualname); |
Serhiy Storchaka | 64204de | 2016-06-12 17:36:24 +0300 | [diff] [blame] | 3937 | if (func == NULL) { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3938 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3939 | } |
Neal Norwitz | c150536 | 2006-12-28 06:47:50 +0000 | [diff] [blame] | 3940 | |
Serhiy Storchaka | 64204de | 2016-06-12 17:36:24 +0300 | [diff] [blame] | 3941 | if (oparg & 0x08) { |
| 3942 | assert(PyTuple_CheckExact(TOP())); |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 3943 | func->func_closure = POP(); |
Serhiy Storchaka | 64204de | 2016-06-12 17:36:24 +0300 | [diff] [blame] | 3944 | } |
| 3945 | if (oparg & 0x04) { |
Yurii Karabas | 7301979 | 2020-11-25 12:43:18 +0200 | [diff] [blame] | 3946 | assert(PyTuple_CheckExact(TOP())); |
Serhiy Storchaka | 64204de | 2016-06-12 17:36:24 +0300 | [diff] [blame] | 3947 | func->func_annotations = POP(); |
| 3948 | } |
| 3949 | if (oparg & 0x02) { |
| 3950 | assert(PyDict_CheckExact(TOP())); |
| 3951 | func->func_kwdefaults = POP(); |
| 3952 | } |
| 3953 | if (oparg & 0x01) { |
| 3954 | assert(PyTuple_CheckExact(TOP())); |
| 3955 | func->func_defaults = POP(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3956 | } |
Neal Norwitz | c150536 | 2006-12-28 06:47:50 +0000 | [diff] [blame] | 3957 | |
Serhiy Storchaka | 64204de | 2016-06-12 17:36:24 +0300 | [diff] [blame] | 3958 | PUSH((PyObject *)func); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3959 | DISPATCH(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3960 | } |
Guido van Rossum | 8861b74 | 1996-07-30 16:49:37 +0000 | [diff] [blame] | 3961 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3962 | case TARGET(BUILD_SLICE): { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3963 | PyObject *start, *stop, *step, *slice; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3964 | if (oparg == 3) |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3965 | step = POP(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 3966 | else |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 3967 | step = NULL; |
| 3968 | stop = POP(); |
| 3969 | start = TOP(); |
| 3970 | slice = PySlice_New(start, stop, step); |
| 3971 | Py_DECREF(start); |
| 3972 | Py_DECREF(stop); |
| 3973 | Py_XDECREF(step); |
| 3974 | SET_TOP(slice); |
| 3975 | if (slice == NULL) |
| 3976 | goto error; |
| 3977 | DISPATCH(); |
| 3978 | } |
Guido van Rossum | 8861b74 | 1996-07-30 16:49:37 +0000 | [diff] [blame] | 3979 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 3980 | case TARGET(FORMAT_VALUE): { |
Eric V. Smith | a78c795 | 2015-11-03 12:45:05 -0500 | [diff] [blame] | 3981 | /* Handles f-string value formatting. */ |
| 3982 | PyObject *result; |
| 3983 | PyObject *fmt_spec; |
| 3984 | PyObject *value; |
| 3985 | PyObject *(*conv_fn)(PyObject *); |
| 3986 | int which_conversion = oparg & FVC_MASK; |
| 3987 | int have_fmt_spec = (oparg & FVS_MASK) == FVS_HAVE_SPEC; |
| 3988 | |
| 3989 | fmt_spec = have_fmt_spec ? POP() : NULL; |
Eric V. Smith | 135d5f4 | 2016-02-05 18:23:08 -0500 | [diff] [blame] | 3990 | value = POP(); |
Eric V. Smith | a78c795 | 2015-11-03 12:45:05 -0500 | [diff] [blame] | 3991 | |
| 3992 | /* See if any conversion is specified. */ |
| 3993 | switch (which_conversion) { |
Eric V. Smith | 9a4135e | 2019-05-08 16:28:48 -0400 | [diff] [blame] | 3994 | case FVC_NONE: conv_fn = NULL; break; |
Eric V. Smith | a78c795 | 2015-11-03 12:45:05 -0500 | [diff] [blame] | 3995 | case FVC_STR: conv_fn = PyObject_Str; break; |
| 3996 | case FVC_REPR: conv_fn = PyObject_Repr; break; |
| 3997 | case FVC_ASCII: conv_fn = PyObject_ASCII; break; |
Eric V. Smith | 9a4135e | 2019-05-08 16:28:48 -0400 | [diff] [blame] | 3998 | default: |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 3999 | _PyErr_Format(tstate, PyExc_SystemError, |
| 4000 | "unexpected conversion flag %d", |
| 4001 | which_conversion); |
Eric V. Smith | 9a4135e | 2019-05-08 16:28:48 -0400 | [diff] [blame] | 4002 | goto error; |
Eric V. Smith | a78c795 | 2015-11-03 12:45:05 -0500 | [diff] [blame] | 4003 | } |
| 4004 | |
| 4005 | /* If there's a conversion function, call it and replace |
| 4006 | value with that result. Otherwise, just use value, |
| 4007 | without conversion. */ |
Eric V. Smith | eb588a1 | 2016-02-05 18:26:20 -0500 | [diff] [blame] | 4008 | if (conv_fn != NULL) { |
Eric V. Smith | a78c795 | 2015-11-03 12:45:05 -0500 | [diff] [blame] | 4009 | result = conv_fn(value); |
| 4010 | Py_DECREF(value); |
Eric V. Smith | eb588a1 | 2016-02-05 18:26:20 -0500 | [diff] [blame] | 4011 | if (result == NULL) { |
Eric V. Smith | a78c795 | 2015-11-03 12:45:05 -0500 | [diff] [blame] | 4012 | Py_XDECREF(fmt_spec); |
| 4013 | goto error; |
| 4014 | } |
| 4015 | value = result; |
| 4016 | } |
| 4017 | |
| 4018 | /* If value is a unicode object, and there's no fmt_spec, |
| 4019 | then we know the result of format(value) is value |
| 4020 | itself. In that case, skip calling format(). I plan to |
| 4021 | move this optimization in to PyObject_Format() |
| 4022 | itself. */ |
| 4023 | if (PyUnicode_CheckExact(value) && fmt_spec == NULL) { |
| 4024 | /* Do nothing, just transfer ownership to result. */ |
| 4025 | result = value; |
| 4026 | } else { |
| 4027 | /* Actually call format(). */ |
| 4028 | result = PyObject_Format(value, fmt_spec); |
| 4029 | Py_DECREF(value); |
| 4030 | Py_XDECREF(fmt_spec); |
Eric V. Smith | eb588a1 | 2016-02-05 18:26:20 -0500 | [diff] [blame] | 4031 | if (result == NULL) { |
Eric V. Smith | a78c795 | 2015-11-03 12:45:05 -0500 | [diff] [blame] | 4032 | goto error; |
Eric V. Smith | eb588a1 | 2016-02-05 18:26:20 -0500 | [diff] [blame] | 4033 | } |
Eric V. Smith | a78c795 | 2015-11-03 12:45:05 -0500 | [diff] [blame] | 4034 | } |
| 4035 | |
Eric V. Smith | 135d5f4 | 2016-02-05 18:23:08 -0500 | [diff] [blame] | 4036 | PUSH(result); |
Eric V. Smith | a78c795 | 2015-11-03 12:45:05 -0500 | [diff] [blame] | 4037 | DISPATCH(); |
| 4038 | } |
| 4039 | |
Benjamin Peterson | ddd1949 | 2018-09-16 22:38:02 -0700 | [diff] [blame] | 4040 | case TARGET(EXTENDED_ARG): { |
Serhiy Storchaka | f60bf5f | 2016-05-25 20:02:01 +0300 | [diff] [blame] | 4041 | int oldoparg = oparg; |
| 4042 | NEXTOPARG(); |
| 4043 | oparg |= oldoparg << 8; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4044 | goto dispatch_opcode; |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 4045 | } |
Guido van Rossum | 8861b74 | 1996-07-30 16:49:37 +0000 | [diff] [blame] | 4046 | |
Benjamin Peterson | 025e9eb | 2015-05-05 20:16:41 -0400 | [diff] [blame] | 4047 | |
Antoine Pitrou | 042b128 | 2010-08-13 21:15:58 +0000 | [diff] [blame] | 4048 | #if USE_COMPUTED_GOTOS |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4049 | _unknown_opcode: |
Antoine Pitrou | b52ec78 | 2009-01-25 16:34:23 +0000 | [diff] [blame] | 4050 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4051 | default: |
| 4052 | fprintf(stderr, |
| 4053 | "XXX lineno: %d, opcode: %d\n", |
| 4054 | PyFrame_GetLineNumber(f), |
| 4055 | opcode); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4056 | _PyErr_SetString(tstate, PyExc_SystemError, "unknown opcode"); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 4057 | goto error; |
Guido van Rossum | 04691fc | 1992-08-12 15:35:34 +0000 | [diff] [blame] | 4058 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4059 | } /* switch */ |
Guido van Rossum | 374a922 | 1991-04-04 10:40:29 +0000 | [diff] [blame] | 4060 | |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 4061 | /* This should never be reached. Every opcode should end with DISPATCH() |
| 4062 | or goto error. */ |
Barry Warsaw | b2e5794 | 2017-09-14 18:13:16 -0700 | [diff] [blame] | 4063 | Py_UNREACHABLE(); |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 4064 | |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 4065 | error: |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 4066 | /* Double-check exception status. */ |
Victor Stinner | 365b693 | 2013-07-12 00:11:58 +0200 | [diff] [blame] | 4067 | #ifdef NDEBUG |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4068 | if (!_PyErr_Occurred(tstate)) { |
| 4069 | _PyErr_SetString(tstate, PyExc_SystemError, |
| 4070 | "error return without exception set"); |
| 4071 | } |
Victor Stinner | 365b693 | 2013-07-12 00:11:58 +0200 | [diff] [blame] | 4072 | #else |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4073 | assert(_PyErr_Occurred(tstate)); |
Victor Stinner | 365b693 | 2013-07-12 00:11:58 +0200 | [diff] [blame] | 4074 | #endif |
Guido van Rossum | 374a922 | 1991-04-04 10:40:29 +0000 | [diff] [blame] | 4075 | |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 4076 | /* Log traceback info. */ |
| 4077 | PyTraceBack_Here(f); |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 4078 | |
Mark Shannon | cb9879b | 2020-07-17 11:44:23 +0100 | [diff] [blame] | 4079 | if (tstate->c_tracefunc != NULL) { |
| 4080 | /* Make sure state is set to FRAME_EXECUTING for tracing */ |
| 4081 | assert(f->f_state == FRAME_EXECUTING); |
| 4082 | f->f_state = FRAME_UNWINDING; |
Victor Stinner | fdeb6ec | 2013-12-13 02:01:38 +0100 | [diff] [blame] | 4083 | call_exc_trace(tstate->c_tracefunc, tstate->c_traceobj, |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 4084 | tstate, f, &bounds); |
Mark Shannon | cb9879b | 2020-07-17 11:44:23 +0100 | [diff] [blame] | 4085 | } |
Serhiy Storchaka | 520b7ae | 2018-02-22 23:33:30 +0200 | [diff] [blame] | 4086 | exception_unwind: |
Mark Shannon | cb9879b | 2020-07-17 11:44:23 +0100 | [diff] [blame] | 4087 | f->f_state = FRAME_UNWINDING; |
Serhiy Storchaka | 520b7ae | 2018-02-22 23:33:30 +0200 | [diff] [blame] | 4088 | /* Unwind stacks if an exception occurred */ |
| 4089 | while (f->f_iblock > 0) { |
| 4090 | /* Pop the current block. */ |
| 4091 | PyTryBlock *b = &f->f_blockstack[--f->f_iblock]; |
Jeremy Hylton | 3faa52e | 2001-02-01 22:48:12 +0000 | [diff] [blame] | 4092 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4093 | if (b->b_type == EXCEPT_HANDLER) { |
| 4094 | UNWIND_EXCEPT_HANDLER(b); |
| 4095 | continue; |
| 4096 | } |
| 4097 | UNWIND_BLOCK(b); |
Serhiy Storchaka | 520b7ae | 2018-02-22 23:33:30 +0200 | [diff] [blame] | 4098 | if (b->b_type == SETUP_FINALLY) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4099 | PyObject *exc, *val, *tb; |
| 4100 | int handler = b->b_handler; |
Mark Shannon | ae3087c | 2017-10-22 22:41:51 +0100 | [diff] [blame] | 4101 | _PyErr_StackItem *exc_info = tstate->exc_info; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4102 | /* Beware, this invalidates all b->b_* fields */ |
Mark Shannon | bf353f3 | 2020-12-17 13:55:28 +0000 | [diff] [blame] | 4103 | PyFrame_BlockSetup(f, EXCEPT_HANDLER, f->f_lasti, STACK_LEVEL()); |
Mark Shannon | ae3087c | 2017-10-22 22:41:51 +0100 | [diff] [blame] | 4104 | PUSH(exc_info->exc_traceback); |
| 4105 | PUSH(exc_info->exc_value); |
| 4106 | if (exc_info->exc_type != NULL) { |
| 4107 | PUSH(exc_info->exc_type); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4108 | } |
| 4109 | else { |
| 4110 | Py_INCREF(Py_None); |
| 4111 | PUSH(Py_None); |
| 4112 | } |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4113 | _PyErr_Fetch(tstate, &exc, &val, &tb); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4114 | /* Make the raw exception data |
| 4115 | available to the handler, |
| 4116 | so a program can emulate the |
| 4117 | Python main loop. */ |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4118 | _PyErr_NormalizeException(tstate, &exc, &val, &tb); |
Victor Stinner | 7eab0d0 | 2013-07-15 21:16:27 +0200 | [diff] [blame] | 4119 | if (tb != NULL) |
| 4120 | PyException_SetTraceback(val, tb); |
| 4121 | else |
| 4122 | PyException_SetTraceback(val, Py_None); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4123 | Py_INCREF(exc); |
Mark Shannon | ae3087c | 2017-10-22 22:41:51 +0100 | [diff] [blame] | 4124 | exc_info->exc_type = exc; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4125 | Py_INCREF(val); |
Mark Shannon | ae3087c | 2017-10-22 22:41:51 +0100 | [diff] [blame] | 4126 | exc_info->exc_value = val; |
| 4127 | exc_info->exc_traceback = tb; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4128 | if (tb == NULL) |
| 4129 | tb = Py_None; |
| 4130 | Py_INCREF(tb); |
| 4131 | PUSH(tb); |
| 4132 | PUSH(val); |
| 4133 | PUSH(exc); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4134 | JUMPTO(handler); |
Victor Stinner | dab8423 | 2020-03-17 18:56:44 +0100 | [diff] [blame] | 4135 | if (_Py_TracingPossible(ceval2)) { |
Mark Shannon | 877df85 | 2020-11-12 09:43:29 +0000 | [diff] [blame] | 4136 | instr_prev = INT_MAX; |
Mark Shannon | fee5526 | 2019-11-21 09:11:43 +0000 | [diff] [blame] | 4137 | } |
Serhiy Storchaka | 520b7ae | 2018-02-22 23:33:30 +0200 | [diff] [blame] | 4138 | /* Resume normal execution */ |
Mark Shannon | cb9879b | 2020-07-17 11:44:23 +0100 | [diff] [blame] | 4139 | f->f_state = FRAME_EXECUTING; |
Serhiy Storchaka | 520b7ae | 2018-02-22 23:33:30 +0200 | [diff] [blame] | 4140 | goto main_loop; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4141 | } |
| 4142 | } /* unwind stack */ |
Guido van Rossum | 374a922 | 1991-04-04 10:40:29 +0000 | [diff] [blame] | 4143 | |
Serhiy Storchaka | 520b7ae | 2018-02-22 23:33:30 +0200 | [diff] [blame] | 4144 | /* End the loop as we still have an error */ |
| 4145 | break; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4146 | } /* main loop */ |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 4147 | |
Pablo Galindo | f00828a | 2019-05-09 16:52:02 +0100 | [diff] [blame] | 4148 | assert(retval == NULL); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4149 | assert(_PyErr_Occurred(tstate)); |
Pablo Galindo | f00828a | 2019-05-09 16:52:02 +0100 | [diff] [blame] | 4150 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4151 | /* Pop remaining stack entries. */ |
| 4152 | while (!EMPTY()) { |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 4153 | PyObject *o = POP(); |
| 4154 | Py_XDECREF(o); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4155 | } |
Mark Shannon | cb9879b | 2020-07-17 11:44:23 +0100 | [diff] [blame] | 4156 | f->f_stackdepth = 0; |
| 4157 | f->f_state = FRAME_RAISED; |
Mark Shannon | e7c9f4a | 2020-01-13 12:51:26 +0000 | [diff] [blame] | 4158 | exiting: |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4159 | if (tstate->use_tracing) { |
Benjamin Peterson | 51f4616 | 2013-01-23 08:38:47 -0500 | [diff] [blame] | 4160 | if (tstate->c_tracefunc) { |
Serhiy Storchaka | 520b7ae | 2018-02-22 23:33:30 +0200 | [diff] [blame] | 4161 | if (call_trace_protected(tstate->c_tracefunc, tstate->c_traceobj, |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 4162 | tstate, f, &bounds, PyTrace_RETURN, retval)) { |
Serhiy Storchaka | 520b7ae | 2018-02-22 23:33:30 +0200 | [diff] [blame] | 4163 | Py_CLEAR(retval); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4164 | } |
| 4165 | } |
| 4166 | if (tstate->c_profilefunc) { |
Serhiy Storchaka | 520b7ae | 2018-02-22 23:33:30 +0200 | [diff] [blame] | 4167 | if (call_trace_protected(tstate->c_profilefunc, tstate->c_profileobj, |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 4168 | tstate, f, &bounds, PyTrace_RETURN, retval)) { |
Serhiy Storchaka | 505ff75 | 2014-02-09 13:33:53 +0200 | [diff] [blame] | 4169 | Py_CLEAR(retval); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4170 | } |
| 4171 | } |
| 4172 | } |
Guido van Rossum | a424013 | 1997-01-21 21:18:36 +0000 | [diff] [blame] | 4173 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4174 | /* pop frame */ |
Thomas Wouters | ce272b6 | 2007-09-19 21:19:28 +0000 | [diff] [blame] | 4175 | exit_eval_frame: |
Łukasz Langa | a785c87 | 2016-09-09 17:37:37 -0700 | [diff] [blame] | 4176 | if (PyDTrace_FUNCTION_RETURN_ENABLED()) |
| 4177 | dtrace_function_return(f); |
Victor Stinner | be434dc | 2019-11-05 00:51:22 +0100 | [diff] [blame] | 4178 | _Py_LeaveRecursiveCall(tstate); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4179 | tstate->frame = f->f_back; |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 4180 | |
Victor Stinner | 0b72b23 | 2020-03-12 23:18:39 +0100 | [diff] [blame] | 4181 | return _Py_CheckFunctionResult(tstate, NULL, retval, __func__); |
Guido van Rossum | 374a922 | 1991-04-04 10:40:29 +0000 | [diff] [blame] | 4182 | } |
| 4183 | |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4184 | static void |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4185 | format_missing(PyThreadState *tstate, const char *kind, |
Dennis Sweeney | b5cc208 | 2020-05-22 16:40:17 -0400 | [diff] [blame] | 4186 | PyCodeObject *co, PyObject *names, PyObject *qualname) |
Benjamin Peterson | e109c70 | 2011-06-24 09:37:26 -0500 | [diff] [blame] | 4187 | { |
| 4188 | int err; |
| 4189 | Py_ssize_t len = PyList_GET_SIZE(names); |
| 4190 | PyObject *name_str, *comma, *tail, *tmp; |
| 4191 | |
| 4192 | assert(PyList_CheckExact(names)); |
| 4193 | assert(len >= 1); |
| 4194 | /* Deal with the joys of natural language. */ |
| 4195 | switch (len) { |
| 4196 | case 1: |
| 4197 | name_str = PyList_GET_ITEM(names, 0); |
| 4198 | Py_INCREF(name_str); |
| 4199 | break; |
| 4200 | case 2: |
| 4201 | name_str = PyUnicode_FromFormat("%U and %U", |
| 4202 | PyList_GET_ITEM(names, len - 2), |
| 4203 | PyList_GET_ITEM(names, len - 1)); |
| 4204 | break; |
| 4205 | default: |
| 4206 | tail = PyUnicode_FromFormat(", %U, and %U", |
| 4207 | PyList_GET_ITEM(names, len - 2), |
| 4208 | PyList_GET_ITEM(names, len - 1)); |
Benjamin Peterson | d1ab608 | 2012-06-01 11:18:22 -0700 | [diff] [blame] | 4209 | if (tail == NULL) |
| 4210 | return; |
Benjamin Peterson | e109c70 | 2011-06-24 09:37:26 -0500 | [diff] [blame] | 4211 | /* Chop off the last two objects in the list. This shouldn't actually |
| 4212 | fail, but we can't be too careful. */ |
| 4213 | err = PyList_SetSlice(names, len - 2, len, NULL); |
| 4214 | if (err == -1) { |
| 4215 | Py_DECREF(tail); |
| 4216 | return; |
| 4217 | } |
| 4218 | /* Stitch everything up into a nice comma-separated list. */ |
| 4219 | comma = PyUnicode_FromString(", "); |
| 4220 | if (comma == NULL) { |
| 4221 | Py_DECREF(tail); |
| 4222 | return; |
| 4223 | } |
| 4224 | tmp = PyUnicode_Join(comma, names); |
| 4225 | Py_DECREF(comma); |
| 4226 | if (tmp == NULL) { |
| 4227 | Py_DECREF(tail); |
| 4228 | return; |
| 4229 | } |
| 4230 | name_str = PyUnicode_Concat(tmp, tail); |
| 4231 | Py_DECREF(tmp); |
| 4232 | Py_DECREF(tail); |
| 4233 | break; |
| 4234 | } |
| 4235 | if (name_str == NULL) |
| 4236 | return; |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4237 | _PyErr_Format(tstate, PyExc_TypeError, |
| 4238 | "%U() missing %i required %s argument%s: %U", |
Dennis Sweeney | b5cc208 | 2020-05-22 16:40:17 -0400 | [diff] [blame] | 4239 | qualname, |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4240 | len, |
| 4241 | kind, |
| 4242 | len == 1 ? "" : "s", |
| 4243 | name_str); |
Benjamin Peterson | e109c70 | 2011-06-24 09:37:26 -0500 | [diff] [blame] | 4244 | Py_DECREF(name_str); |
| 4245 | } |
| 4246 | |
| 4247 | static void |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4248 | missing_arguments(PyThreadState *tstate, PyCodeObject *co, |
| 4249 | Py_ssize_t missing, Py_ssize_t defcount, |
Dennis Sweeney | b5cc208 | 2020-05-22 16:40:17 -0400 | [diff] [blame] | 4250 | PyObject **fastlocals, PyObject *qualname) |
Benjamin Peterson | e109c70 | 2011-06-24 09:37:26 -0500 | [diff] [blame] | 4251 | { |
Victor Stinner | 74319ae | 2016-08-25 00:04:09 +0200 | [diff] [blame] | 4252 | Py_ssize_t i, j = 0; |
| 4253 | Py_ssize_t start, end; |
| 4254 | int positional = (defcount != -1); |
Benjamin Peterson | e109c70 | 2011-06-24 09:37:26 -0500 | [diff] [blame] | 4255 | const char *kind = positional ? "positional" : "keyword-only"; |
| 4256 | PyObject *missing_names; |
| 4257 | |
| 4258 | /* Compute the names of the arguments that are missing. */ |
| 4259 | missing_names = PyList_New(missing); |
| 4260 | if (missing_names == NULL) |
| 4261 | return; |
| 4262 | if (positional) { |
| 4263 | start = 0; |
Pablo Galindo | cd74e66 | 2019-06-01 18:08:04 +0100 | [diff] [blame] | 4264 | end = co->co_argcount - defcount; |
Benjamin Peterson | e109c70 | 2011-06-24 09:37:26 -0500 | [diff] [blame] | 4265 | } |
| 4266 | else { |
Pablo Galindo | cd74e66 | 2019-06-01 18:08:04 +0100 | [diff] [blame] | 4267 | start = co->co_argcount; |
Benjamin Peterson | e109c70 | 2011-06-24 09:37:26 -0500 | [diff] [blame] | 4268 | end = start + co->co_kwonlyargcount; |
| 4269 | } |
| 4270 | for (i = start; i < end; i++) { |
| 4271 | if (GETLOCAL(i) == NULL) { |
| 4272 | PyObject *raw = PyTuple_GET_ITEM(co->co_varnames, i); |
| 4273 | PyObject *name = PyObject_Repr(raw); |
| 4274 | if (name == NULL) { |
| 4275 | Py_DECREF(missing_names); |
| 4276 | return; |
| 4277 | } |
| 4278 | PyList_SET_ITEM(missing_names, j++, name); |
| 4279 | } |
| 4280 | } |
| 4281 | assert(j == missing); |
Dennis Sweeney | b5cc208 | 2020-05-22 16:40:17 -0400 | [diff] [blame] | 4282 | format_missing(tstate, kind, co, missing_names, qualname); |
Benjamin Peterson | e109c70 | 2011-06-24 09:37:26 -0500 | [diff] [blame] | 4283 | Py_DECREF(missing_names); |
| 4284 | } |
| 4285 | |
| 4286 | static void |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4287 | too_many_positional(PyThreadState *tstate, PyCodeObject *co, |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4288 | Py_ssize_t given, PyObject *defaults, |
Dennis Sweeney | b5cc208 | 2020-05-22 16:40:17 -0400 | [diff] [blame] | 4289 | PyObject **fastlocals, PyObject *qualname) |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4290 | { |
| 4291 | int plural; |
Victor Stinner | 74319ae | 2016-08-25 00:04:09 +0200 | [diff] [blame] | 4292 | Py_ssize_t kwonly_given = 0; |
| 4293 | Py_ssize_t i; |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4294 | PyObject *sig, *kwonly_sig; |
Victor Stinner | 74319ae | 2016-08-25 00:04:09 +0200 | [diff] [blame] | 4295 | Py_ssize_t co_argcount = co->co_argcount; |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4296 | |
Benjamin Peterson | e109c70 | 2011-06-24 09:37:26 -0500 | [diff] [blame] | 4297 | assert((co->co_flags & CO_VARARGS) == 0); |
| 4298 | /* Count missing keyword-only args. */ |
Pablo Galindo | cd74e66 | 2019-06-01 18:08:04 +0100 | [diff] [blame] | 4299 | for (i = co_argcount; i < co_argcount + co->co_kwonlyargcount; i++) { |
Victor Stinner | 74319ae | 2016-08-25 00:04:09 +0200 | [diff] [blame] | 4300 | if (GETLOCAL(i) != NULL) { |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4301 | kwonly_given++; |
Victor Stinner | 74319ae | 2016-08-25 00:04:09 +0200 | [diff] [blame] | 4302 | } |
| 4303 | } |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4304 | Py_ssize_t defcount = defaults == NULL ? 0 : PyTuple_GET_SIZE(defaults); |
Benjamin Peterson | e109c70 | 2011-06-24 09:37:26 -0500 | [diff] [blame] | 4305 | if (defcount) { |
Pablo Galindo | cd74e66 | 2019-06-01 18:08:04 +0100 | [diff] [blame] | 4306 | Py_ssize_t atleast = co_argcount - defcount; |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4307 | plural = 1; |
Pablo Galindo | cd74e66 | 2019-06-01 18:08:04 +0100 | [diff] [blame] | 4308 | sig = PyUnicode_FromFormat("from %zd to %zd", atleast, co_argcount); |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4309 | } |
| 4310 | else { |
Pablo Galindo | cd74e66 | 2019-06-01 18:08:04 +0100 | [diff] [blame] | 4311 | plural = (co_argcount != 1); |
| 4312 | sig = PyUnicode_FromFormat("%zd", co_argcount); |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4313 | } |
| 4314 | if (sig == NULL) |
| 4315 | return; |
| 4316 | if (kwonly_given) { |
Victor Stinner | 74319ae | 2016-08-25 00:04:09 +0200 | [diff] [blame] | 4317 | const char *format = " positional argument%s (and %zd keyword-only argument%s)"; |
| 4318 | kwonly_sig = PyUnicode_FromFormat(format, |
| 4319 | given != 1 ? "s" : "", |
| 4320 | kwonly_given, |
| 4321 | kwonly_given != 1 ? "s" : ""); |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4322 | if (kwonly_sig == NULL) { |
| 4323 | Py_DECREF(sig); |
| 4324 | return; |
| 4325 | } |
| 4326 | } |
| 4327 | else { |
| 4328 | /* This will not fail. */ |
| 4329 | kwonly_sig = PyUnicode_FromString(""); |
Benjamin Peterson | e109c70 | 2011-06-24 09:37:26 -0500 | [diff] [blame] | 4330 | assert(kwonly_sig != NULL); |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4331 | } |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4332 | _PyErr_Format(tstate, PyExc_TypeError, |
| 4333 | "%U() takes %U positional argument%s but %zd%U %s given", |
Dennis Sweeney | b5cc208 | 2020-05-22 16:40:17 -0400 | [diff] [blame] | 4334 | qualname, |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4335 | sig, |
| 4336 | plural ? "s" : "", |
| 4337 | given, |
| 4338 | kwonly_sig, |
| 4339 | given == 1 && !kwonly_given ? "was" : "were"); |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4340 | Py_DECREF(sig); |
| 4341 | Py_DECREF(kwonly_sig); |
| 4342 | } |
| 4343 | |
Pablo Galindo | 8c77b8c | 2019-04-29 13:36:57 +0100 | [diff] [blame] | 4344 | static int |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4345 | positional_only_passed_as_keyword(PyThreadState *tstate, PyCodeObject *co, |
Dennis Sweeney | b5cc208 | 2020-05-22 16:40:17 -0400 | [diff] [blame] | 4346 | Py_ssize_t kwcount, PyObject* const* kwnames, |
| 4347 | PyObject *qualname) |
Pablo Galindo | 8c77b8c | 2019-04-29 13:36:57 +0100 | [diff] [blame] | 4348 | { |
| 4349 | int posonly_conflicts = 0; |
| 4350 | PyObject* posonly_names = PyList_New(0); |
| 4351 | |
| 4352 | for(int k=0; k < co->co_posonlyargcount; k++){ |
| 4353 | PyObject* posonly_name = PyTuple_GET_ITEM(co->co_varnames, k); |
| 4354 | |
| 4355 | for (int k2=0; k2<kwcount; k2++){ |
| 4356 | /* Compare the pointers first and fallback to PyObject_RichCompareBool*/ |
| 4357 | PyObject* kwname = kwnames[k2]; |
| 4358 | if (kwname == posonly_name){ |
| 4359 | if(PyList_Append(posonly_names, kwname) != 0) { |
| 4360 | goto fail; |
| 4361 | } |
| 4362 | posonly_conflicts++; |
| 4363 | continue; |
| 4364 | } |
| 4365 | |
| 4366 | int cmp = PyObject_RichCompareBool(posonly_name, kwname, Py_EQ); |
| 4367 | |
| 4368 | if ( cmp > 0) { |
| 4369 | if(PyList_Append(posonly_names, kwname) != 0) { |
| 4370 | goto fail; |
| 4371 | } |
| 4372 | posonly_conflicts++; |
| 4373 | } else if (cmp < 0) { |
| 4374 | goto fail; |
| 4375 | } |
| 4376 | |
| 4377 | } |
| 4378 | } |
| 4379 | if (posonly_conflicts) { |
| 4380 | PyObject* comma = PyUnicode_FromString(", "); |
| 4381 | if (comma == NULL) { |
| 4382 | goto fail; |
| 4383 | } |
| 4384 | PyObject* error_names = PyUnicode_Join(comma, posonly_names); |
| 4385 | Py_DECREF(comma); |
| 4386 | if (error_names == NULL) { |
| 4387 | goto fail; |
| 4388 | } |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4389 | _PyErr_Format(tstate, PyExc_TypeError, |
| 4390 | "%U() got some positional-only arguments passed" |
| 4391 | " as keyword arguments: '%U'", |
Dennis Sweeney | b5cc208 | 2020-05-22 16:40:17 -0400 | [diff] [blame] | 4392 | qualname, error_names); |
Pablo Galindo | 8c77b8c | 2019-04-29 13:36:57 +0100 | [diff] [blame] | 4393 | Py_DECREF(error_names); |
| 4394 | goto fail; |
| 4395 | } |
| 4396 | |
| 4397 | Py_DECREF(posonly_names); |
| 4398 | return 0; |
| 4399 | |
| 4400 | fail: |
| 4401 | Py_XDECREF(posonly_names); |
| 4402 | return 1; |
| 4403 | |
| 4404 | } |
| 4405 | |
Guido van Rossum | c2e2074 | 2006-02-27 22:32:47 +0000 | [diff] [blame] | 4406 | /* This is gonna seem *real weird*, but if you put some other code between |
Marcel Plch | 3a9ccee | 2018-04-06 23:22:04 +0200 | [diff] [blame] | 4407 | PyEval_EvalFrame() and _PyEval_EvalFrameDefault() you will need to adjust |
Guido van Rossum | c2e2074 | 2006-02-27 22:32:47 +0000 | [diff] [blame] | 4408 | the test in the if statements in Misc/gdbinit (pystack and pystackv). */ |
Skip Montanaro | 786ea6b | 2004-03-01 15:44:05 +0000 | [diff] [blame] | 4409 | |
Victor Stinner | c22bfaa | 2017-02-12 19:27:05 +0100 | [diff] [blame] | 4410 | PyObject * |
Victor Stinner | b5e170f | 2019-11-16 01:03:22 +0100 | [diff] [blame] | 4411 | _PyEval_EvalCode(PyThreadState *tstate, |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4412 | PyFrameConstructor *con, PyObject *locals, |
Serhiy Storchaka | a5552f0 | 2017-12-15 13:11:11 +0200 | [diff] [blame] | 4413 | PyObject *const *args, Py_ssize_t argcount, |
| 4414 | PyObject *const *kwnames, PyObject *const *kwargs, |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4415 | Py_ssize_t kwcount, int kwstep) |
Tim Peters | 5ca576e | 2001-06-18 22:08:13 +0000 | [diff] [blame] | 4416 | { |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 4417 | assert(is_tstate_valid(tstate)); |
Victor Stinner | b5e170f | 2019-11-16 01:03:22 +0100 | [diff] [blame] | 4418 | |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4419 | PyCodeObject *co = (PyCodeObject*)con->fc_code; |
| 4420 | assert(con->fc_defaults == NULL || PyTuple_CheckExact(con->fc_defaults)); |
Antoine Pitrou | 9ed5f27 | 2013-08-13 20:18:52 +0200 | [diff] [blame] | 4421 | PyObject *retval = NULL; |
Pablo Galindo | cd74e66 | 2019-06-01 18:08:04 +0100 | [diff] [blame] | 4422 | const Py_ssize_t total_args = co->co_argcount + co->co_kwonlyargcount; |
Tim Peters | 5ca576e | 2001-06-18 22:08:13 +0000 | [diff] [blame] | 4423 | |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4424 | /* Create the frame */ |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4425 | PyFrameObject *f = _PyFrame_New_NoTrack(tstate, co, con->fc_globals, con->fc_builtins, locals); |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4426 | if (f == NULL) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4427 | return NULL; |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4428 | } |
Victor Stinner | 232dda6 | 2020-06-04 15:19:02 +0200 | [diff] [blame] | 4429 | PyObject **fastlocals = f->f_localsplus; |
| 4430 | PyObject **freevars = f->f_localsplus + co->co_nlocals; |
Tim Peters | 5ca576e | 2001-06-18 22:08:13 +0000 | [diff] [blame] | 4431 | |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4432 | /* Create a dictionary for keyword parameters (**kwags) */ |
Victor Stinner | 232dda6 | 2020-06-04 15:19:02 +0200 | [diff] [blame] | 4433 | PyObject *kwdict; |
| 4434 | Py_ssize_t i; |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4435 | if (co->co_flags & CO_VARKEYWORDS) { |
| 4436 | kwdict = PyDict_New(); |
| 4437 | if (kwdict == NULL) |
| 4438 | goto fail; |
| 4439 | i = total_args; |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4440 | if (co->co_flags & CO_VARARGS) { |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4441 | i++; |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4442 | } |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4443 | SETLOCAL(i, kwdict); |
| 4444 | } |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4445 | else { |
| 4446 | kwdict = NULL; |
| 4447 | } |
| 4448 | |
Pablo Galindo | cd74e66 | 2019-06-01 18:08:04 +0100 | [diff] [blame] | 4449 | /* Copy all positional arguments into local variables */ |
Victor Stinner | 232dda6 | 2020-06-04 15:19:02 +0200 | [diff] [blame] | 4450 | Py_ssize_t j, n; |
Pablo Galindo | cd74e66 | 2019-06-01 18:08:04 +0100 | [diff] [blame] | 4451 | if (argcount > co->co_argcount) { |
| 4452 | n = co->co_argcount; |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4453 | } |
| 4454 | else { |
| 4455 | n = argcount; |
| 4456 | } |
Pablo Galindo | 8c77b8c | 2019-04-29 13:36:57 +0100 | [diff] [blame] | 4457 | for (j = 0; j < n; j++) { |
Victor Stinner | 232dda6 | 2020-06-04 15:19:02 +0200 | [diff] [blame] | 4458 | PyObject *x = args[j]; |
Pablo Galindo | 8c77b8c | 2019-04-29 13:36:57 +0100 | [diff] [blame] | 4459 | Py_INCREF(x); |
| 4460 | SETLOCAL(j, x); |
| 4461 | } |
| 4462 | |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4463 | /* Pack other positional arguments into the *args argument */ |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4464 | if (co->co_flags & CO_VARARGS) { |
Victor Stinner | 232dda6 | 2020-06-04 15:19:02 +0200 | [diff] [blame] | 4465 | PyObject *u = _PyTuple_FromArray(args + n, argcount - n); |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4466 | if (u == NULL) { |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4467 | goto fail; |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4468 | } |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4469 | SETLOCAL(total_args, u); |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4470 | } |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4471 | |
Serhiy Storchaka | b728105 | 2016-09-12 00:52:40 +0300 | [diff] [blame] | 4472 | /* Handle keyword arguments passed as two strided arrays */ |
| 4473 | kwcount *= kwstep; |
| 4474 | for (i = 0; i < kwcount; i += kwstep) { |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4475 | PyObject **co_varnames; |
Serhiy Storchaka | b728105 | 2016-09-12 00:52:40 +0300 | [diff] [blame] | 4476 | PyObject *keyword = kwnames[i]; |
| 4477 | PyObject *value = kwargs[i]; |
Victor Stinner | 17061a9 | 2016-08-16 23:39:42 +0200 | [diff] [blame] | 4478 | Py_ssize_t j; |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4479 | |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4480 | if (keyword == NULL || !PyUnicode_Check(keyword)) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4481 | _PyErr_Format(tstate, PyExc_TypeError, |
| 4482 | "%U() keywords must be strings", |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4483 | con->fc_qualname); |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4484 | goto fail; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4485 | } |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4486 | |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4487 | /* Speed hack: do raw pointer compares. As names are |
| 4488 | normally interned this should almost always hit. */ |
| 4489 | co_varnames = ((PyTupleObject *)(co->co_varnames))->ob_item; |
Pablo Galindo | 8c77b8c | 2019-04-29 13:36:57 +0100 | [diff] [blame] | 4490 | for (j = co->co_posonlyargcount; j < total_args; j++) { |
Victor Stinner | 232dda6 | 2020-06-04 15:19:02 +0200 | [diff] [blame] | 4491 | PyObject *varname = co_varnames[j]; |
| 4492 | if (varname == keyword) { |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4493 | goto kw_found; |
Victor Stinner | 6fea7f7 | 2016-08-22 23:17:30 +0200 | [diff] [blame] | 4494 | } |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4495 | } |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4496 | |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4497 | /* Slow fallback, just in case */ |
Pablo Galindo | 8c77b8c | 2019-04-29 13:36:57 +0100 | [diff] [blame] | 4498 | for (j = co->co_posonlyargcount; j < total_args; j++) { |
Victor Stinner | 232dda6 | 2020-06-04 15:19:02 +0200 | [diff] [blame] | 4499 | PyObject *varname = co_varnames[j]; |
| 4500 | int cmp = PyObject_RichCompareBool( keyword, varname, Py_EQ); |
Victor Stinner | 6fea7f7 | 2016-08-22 23:17:30 +0200 | [diff] [blame] | 4501 | if (cmp > 0) { |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4502 | goto kw_found; |
Victor Stinner | 6fea7f7 | 2016-08-22 23:17:30 +0200 | [diff] [blame] | 4503 | } |
| 4504 | else if (cmp < 0) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4505 | goto fail; |
Victor Stinner | 6fea7f7 | 2016-08-22 23:17:30 +0200 | [diff] [blame] | 4506 | } |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4507 | } |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4508 | |
Victor Stinner | 231d1f3 | 2017-01-11 02:12:06 +0100 | [diff] [blame] | 4509 | assert(j >= total_args); |
| 4510 | if (kwdict == NULL) { |
Pablo Galindo | 8c77b8c | 2019-04-29 13:36:57 +0100 | [diff] [blame] | 4511 | |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4512 | if (co->co_posonlyargcount |
| 4513 | && positional_only_passed_as_keyword(tstate, co, |
Victor Stinner | 232dda6 | 2020-06-04 15:19:02 +0200 | [diff] [blame] | 4514 | kwcount, kwnames, |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4515 | con->fc_qualname)) |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4516 | { |
Pablo Galindo | 8c77b8c | 2019-04-29 13:36:57 +0100 | [diff] [blame] | 4517 | goto fail; |
| 4518 | } |
| 4519 | |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4520 | _PyErr_Format(tstate, PyExc_TypeError, |
| 4521 | "%U() got an unexpected keyword argument '%S'", |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4522 | con->fc_qualname, keyword); |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4523 | goto fail; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4524 | } |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4525 | |
Christian Heimes | 0bd447f | 2013-07-20 14:48:10 +0200 | [diff] [blame] | 4526 | if (PyDict_SetItem(kwdict, keyword, value) == -1) { |
| 4527 | goto fail; |
| 4528 | } |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4529 | continue; |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4530 | |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4531 | kw_found: |
| 4532 | if (GETLOCAL(j) != NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4533 | _PyErr_Format(tstate, PyExc_TypeError, |
| 4534 | "%U() got multiple values for argument '%S'", |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4535 | con->fc_qualname, keyword); |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4536 | goto fail; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4537 | } |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4538 | Py_INCREF(value); |
| 4539 | SETLOCAL(j, value); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4540 | } |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4541 | |
| 4542 | /* Check the number of positional arguments */ |
Pablo Galindo | cd74e66 | 2019-06-01 18:08:04 +0100 | [diff] [blame] | 4543 | if ((argcount > co->co_argcount) && !(co->co_flags & CO_VARARGS)) { |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4544 | too_many_positional(tstate, co, argcount, con->fc_defaults, fastlocals, |
| 4545 | con->fc_qualname); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4546 | goto fail; |
| 4547 | } |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4548 | |
| 4549 | /* Add missing positional arguments (copy default values from defs) */ |
Pablo Galindo | cd74e66 | 2019-06-01 18:08:04 +0100 | [diff] [blame] | 4550 | if (argcount < co->co_argcount) { |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4551 | Py_ssize_t defcount = con->fc_defaults == NULL ? 0 : PyTuple_GET_SIZE(con->fc_defaults); |
Pablo Galindo | cd74e66 | 2019-06-01 18:08:04 +0100 | [diff] [blame] | 4552 | Py_ssize_t m = co->co_argcount - defcount; |
Victor Stinner | 17061a9 | 2016-08-16 23:39:42 +0200 | [diff] [blame] | 4553 | Py_ssize_t missing = 0; |
| 4554 | for (i = argcount; i < m; i++) { |
| 4555 | if (GETLOCAL(i) == NULL) { |
Benjamin Peterson | e109c70 | 2011-06-24 09:37:26 -0500 | [diff] [blame] | 4556 | missing++; |
Victor Stinner | 17061a9 | 2016-08-16 23:39:42 +0200 | [diff] [blame] | 4557 | } |
| 4558 | } |
Benjamin Peterson | e109c70 | 2011-06-24 09:37:26 -0500 | [diff] [blame] | 4559 | if (missing) { |
Victor Stinner | 232dda6 | 2020-06-04 15:19:02 +0200 | [diff] [blame] | 4560 | missing_arguments(tstate, co, missing, defcount, fastlocals, |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4561 | con->fc_qualname); |
Benjamin Peterson | e109c70 | 2011-06-24 09:37:26 -0500 | [diff] [blame] | 4562 | goto fail; |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4563 | } |
| 4564 | if (n > m) |
| 4565 | i = n - m; |
| 4566 | else |
| 4567 | i = 0; |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4568 | if (defcount) { |
| 4569 | PyObject **defs = &PyTuple_GET_ITEM(con->fc_defaults, 0); |
| 4570 | for (; i < defcount; i++) { |
| 4571 | if (GETLOCAL(m+i) == NULL) { |
| 4572 | PyObject *def = defs[i]; |
| 4573 | Py_INCREF(def); |
| 4574 | SETLOCAL(m+i, def); |
| 4575 | } |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4576 | } |
| 4577 | } |
| 4578 | } |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4579 | |
| 4580 | /* Add missing keyword arguments (copy default values from kwdefs) */ |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4581 | if (co->co_kwonlyargcount > 0) { |
Victor Stinner | 17061a9 | 2016-08-16 23:39:42 +0200 | [diff] [blame] | 4582 | Py_ssize_t missing = 0; |
Pablo Galindo | cd74e66 | 2019-06-01 18:08:04 +0100 | [diff] [blame] | 4583 | for (i = co->co_argcount; i < total_args; i++) { |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4584 | if (GETLOCAL(i) != NULL) |
| 4585 | continue; |
Victor Stinner | 232dda6 | 2020-06-04 15:19:02 +0200 | [diff] [blame] | 4586 | PyObject *varname = PyTuple_GET_ITEM(co->co_varnames, i); |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4587 | if (con->fc_kwdefaults != NULL) { |
| 4588 | PyObject *def = PyDict_GetItemWithError(con->fc_kwdefaults, varname); |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4589 | if (def) { |
| 4590 | Py_INCREF(def); |
| 4591 | SETLOCAL(i, def); |
| 4592 | continue; |
| 4593 | } |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4594 | else if (_PyErr_Occurred(tstate)) { |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 4595 | goto fail; |
| 4596 | } |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4597 | } |
Benjamin Peterson | e109c70 | 2011-06-24 09:37:26 -0500 | [diff] [blame] | 4598 | missing++; |
| 4599 | } |
| 4600 | if (missing) { |
Victor Stinner | 232dda6 | 2020-06-04 15:19:02 +0200 | [diff] [blame] | 4601 | missing_arguments(tstate, co, missing, -1, fastlocals, |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4602 | con->fc_qualname); |
Benjamin Peterson | b204a42 | 2011-06-05 22:04:07 -0500 | [diff] [blame] | 4603 | goto fail; |
| 4604 | } |
| 4605 | } |
| 4606 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4607 | /* Allocate and initialize storage for cell vars, and copy free |
Benjamin Peterson | 9003760 | 2011-06-25 22:54:45 -0500 | [diff] [blame] | 4608 | vars into frame. */ |
| 4609 | for (i = 0; i < PyTuple_GET_SIZE(co->co_cellvars); ++i) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4610 | PyObject *c; |
Serhiy Storchaka | 5bb8b91 | 2016-12-16 19:19:02 +0200 | [diff] [blame] | 4611 | Py_ssize_t arg; |
Benjamin Peterson | 9003760 | 2011-06-25 22:54:45 -0500 | [diff] [blame] | 4612 | /* Possibly account for the cell variable being an argument. */ |
| 4613 | if (co->co_cell2arg != NULL && |
Guido van Rossum | 6832c81 | 2013-05-10 08:47:42 -0700 | [diff] [blame] | 4614 | (arg = co->co_cell2arg[i]) != CO_CELL_NOT_AN_ARG) { |
Benjamin Peterson | 9003760 | 2011-06-25 22:54:45 -0500 | [diff] [blame] | 4615 | c = PyCell_New(GETLOCAL(arg)); |
Benjamin Peterson | 159ae41 | 2013-05-12 18:16:06 -0500 | [diff] [blame] | 4616 | /* Clear the local copy. */ |
| 4617 | SETLOCAL(arg, NULL); |
Guido van Rossum | 6832c81 | 2013-05-10 08:47:42 -0700 | [diff] [blame] | 4618 | } |
| 4619 | else { |
Benjamin Peterson | 9003760 | 2011-06-25 22:54:45 -0500 | [diff] [blame] | 4620 | c = PyCell_New(NULL); |
Guido van Rossum | 6832c81 | 2013-05-10 08:47:42 -0700 | [diff] [blame] | 4621 | } |
Benjamin Peterson | 159ae41 | 2013-05-12 18:16:06 -0500 | [diff] [blame] | 4622 | if (c == NULL) |
| 4623 | goto fail; |
Benjamin Peterson | 9003760 | 2011-06-25 22:54:45 -0500 | [diff] [blame] | 4624 | SETLOCAL(co->co_nlocals + i, c); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4625 | } |
Victor Stinner | c702001 | 2016-08-16 23:40:29 +0200 | [diff] [blame] | 4626 | |
| 4627 | /* Copy closure variables to free variables */ |
Benjamin Peterson | 9003760 | 2011-06-25 22:54:45 -0500 | [diff] [blame] | 4628 | for (i = 0; i < PyTuple_GET_SIZE(co->co_freevars); ++i) { |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4629 | PyObject *o = PyTuple_GET_ITEM(con->fc_closure, i); |
Benjamin Peterson | 9003760 | 2011-06-25 22:54:45 -0500 | [diff] [blame] | 4630 | Py_INCREF(o); |
| 4631 | freevars[PyTuple_GET_SIZE(co->co_cellvars) + i] = o; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4632 | } |
Tim Peters | 5ca576e | 2001-06-18 22:08:13 +0000 | [diff] [blame] | 4633 | |
Yury Selivanov | eb63645 | 2016-09-08 22:01:51 -0700 | [diff] [blame] | 4634 | /* Handle generator/coroutine/asynchronous generator */ |
| 4635 | if (co->co_flags & (CO_GENERATOR | CO_COROUTINE | CO_ASYNC_GENERATOR)) { |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 4636 | PyObject *gen; |
Yury Selivanov | 5376ba9 | 2015-06-22 12:19:30 -0400 | [diff] [blame] | 4637 | int is_coro = co->co_flags & CO_COROUTINE; |
Yury Selivanov | 94c2263 | 2015-06-04 10:16:51 -0400 | [diff] [blame] | 4638 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4639 | /* Don't need to keep the reference to f_back, it will be set |
| 4640 | * when the generator is resumed. */ |
Serhiy Storchaka | 505ff75 | 2014-02-09 13:33:53 +0200 | [diff] [blame] | 4641 | Py_CLEAR(f->f_back); |
Neil Schemenauer | 2b13ce8 | 2001-06-21 02:41:10 +0000 | [diff] [blame] | 4642 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4643 | /* Create a new generator that owns the ready to run frame |
| 4644 | * and return that as the value. */ |
Yury Selivanov | 5376ba9 | 2015-06-22 12:19:30 -0400 | [diff] [blame] | 4645 | if (is_coro) { |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4646 | gen = PyCoro_New(f, con->fc_name, con->fc_qualname); |
Yury Selivanov | eb63645 | 2016-09-08 22:01:51 -0700 | [diff] [blame] | 4647 | } else if (co->co_flags & CO_ASYNC_GENERATOR) { |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4648 | gen = PyAsyncGen_New(f, con->fc_name, con->fc_qualname); |
Yury Selivanov | 5376ba9 | 2015-06-22 12:19:30 -0400 | [diff] [blame] | 4649 | } else { |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4650 | gen = PyGen_NewWithQualName(f, con->fc_name, con->fc_qualname); |
Yury Selivanov | 5376ba9 | 2015-06-22 12:19:30 -0400 | [diff] [blame] | 4651 | } |
INADA Naoki | 6a3cedf | 2016-12-26 18:01:46 +0900 | [diff] [blame] | 4652 | if (gen == NULL) { |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 4653 | return NULL; |
INADA Naoki | 6a3cedf | 2016-12-26 18:01:46 +0900 | [diff] [blame] | 4654 | } |
INADA Naoki | 9c15776 | 2016-12-26 18:52:46 +0900 | [diff] [blame] | 4655 | |
INADA Naoki | 6a3cedf | 2016-12-26 18:01:46 +0900 | [diff] [blame] | 4656 | _PyObject_GC_TRACK(f); |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 4657 | |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 4658 | return gen; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4659 | } |
Tim Peters | 5ca576e | 2001-06-18 22:08:13 +0000 | [diff] [blame] | 4660 | |
Victor Stinner | b9e6812 | 2019-11-14 12:20:46 +0100 | [diff] [blame] | 4661 | retval = _PyEval_EvalFrame(tstate, f, 0); |
Tim Peters | 5ca576e | 2001-06-18 22:08:13 +0000 | [diff] [blame] | 4662 | |
Thomas Wouters | ce272b6 | 2007-09-19 21:19:28 +0000 | [diff] [blame] | 4663 | fail: /* Jump here from prelude on failure */ |
Tim Peters | 5ca576e | 2001-06-18 22:08:13 +0000 | [diff] [blame] | 4664 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4665 | /* decref'ing the frame can cause __del__ methods to get invoked, |
| 4666 | which can call back into Python. While we're done with the |
| 4667 | current Python frame (f), the associated C stack is still in use, |
| 4668 | so recursion_depth must be boosted for the duration. |
| 4669 | */ |
INADA Naoki | 5a625d0 | 2016-12-24 20:19:08 +0900 | [diff] [blame] | 4670 | if (Py_REFCNT(f) > 1) { |
| 4671 | Py_DECREF(f); |
| 4672 | _PyObject_GC_TRACK(f); |
| 4673 | } |
| 4674 | else { |
| 4675 | ++tstate->recursion_depth; |
| 4676 | Py_DECREF(f); |
| 4677 | --tstate->recursion_depth; |
| 4678 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4679 | return retval; |
Tim Peters | 5ca576e | 2001-06-18 22:08:13 +0000 | [diff] [blame] | 4680 | } |
| 4681 | |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4682 | /* Legacy API */ |
Victor Stinner | b5e170f | 2019-11-16 01:03:22 +0100 | [diff] [blame] | 4683 | PyObject * |
| 4684 | _PyEval_EvalCodeWithName(PyObject *_co, PyObject *globals, PyObject *locals, |
| 4685 | PyObject *const *args, Py_ssize_t argcount, |
| 4686 | PyObject *const *kwnames, PyObject *const *kwargs, |
| 4687 | Py_ssize_t kwcount, int kwstep, |
| 4688 | PyObject *const *defs, Py_ssize_t defcount, |
| 4689 | PyObject *kwdefs, PyObject *closure, |
| 4690 | PyObject *name, PyObject *qualname) |
| 4691 | { |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4692 | PyObject *defaults = _PyTuple_FromArray(defs, defcount); |
| 4693 | if (defaults == NULL) { |
| 4694 | return NULL; |
| 4695 | } |
| 4696 | PyObject *builtins = _PyEval_BuiltinsFromGlobals(globals); |
| 4697 | if (builtins == NULL) { |
| 4698 | Py_DECREF(defaults); |
| 4699 | return NULL; |
| 4700 | } |
| 4701 | PyFrameConstructor constr = { |
| 4702 | .fc_globals = globals, |
| 4703 | .fc_builtins = builtins, |
| 4704 | .fc_name = name, |
| 4705 | .fc_qualname = qualname, |
| 4706 | .fc_code = _co, |
| 4707 | .fc_defaults = defaults, |
| 4708 | .fc_kwdefaults = kwdefs, |
| 4709 | .fc_closure = closure |
| 4710 | }; |
Victor Stinner | b5e170f | 2019-11-16 01:03:22 +0100 | [diff] [blame] | 4711 | PyThreadState *tstate = _PyThreadState_GET(); |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4712 | PyObject *res = _PyEval_EvalCode(tstate, &constr, locals, |
| 4713 | args, argcount, |
| 4714 | kwnames, kwargs, |
| 4715 | kwcount, kwstep); |
| 4716 | Py_DECREF(defaults); |
| 4717 | Py_DECREF(builtins); |
| 4718 | return res; |
Victor Stinner | b5e170f | 2019-11-16 01:03:22 +0100 | [diff] [blame] | 4719 | } |
| 4720 | |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4721 | /* Legacy API */ |
Victor Stinner | 40ee301 | 2014-06-16 15:59:28 +0200 | [diff] [blame] | 4722 | PyObject * |
| 4723 | PyEval_EvalCodeEx(PyObject *_co, PyObject *globals, PyObject *locals, |
Serhiy Storchaka | a5552f0 | 2017-12-15 13:11:11 +0200 | [diff] [blame] | 4724 | PyObject *const *args, int argcount, |
| 4725 | PyObject *const *kws, int kwcount, |
| 4726 | PyObject *const *defs, int defcount, |
| 4727 | PyObject *kwdefs, PyObject *closure) |
Victor Stinner | 40ee301 | 2014-06-16 15:59:28 +0200 | [diff] [blame] | 4728 | { |
Mark Shannon | d6c33fb | 2021-01-29 13:24:55 +0000 | [diff] [blame] | 4729 | return _PyEval_EvalCodeWithName( |
| 4730 | _co, globals, locals, |
| 4731 | args, argcount, |
| 4732 | kws, kws != NULL ? kws + 1 : NULL, |
| 4733 | kwcount, 2, |
| 4734 | defs, defcount, |
| 4735 | kwdefs, closure, |
| 4736 | ((PyCodeObject *)_co)->co_name, |
| 4737 | ((PyCodeObject *)_co)->co_name); |
Victor Stinner | 40ee301 | 2014-06-16 15:59:28 +0200 | [diff] [blame] | 4738 | } |
Tim Peters | 5ca576e | 2001-06-18 22:08:13 +0000 | [diff] [blame] | 4739 | |
Benjamin Peterson | 876b2f2 | 2009-06-28 03:18:59 +0000 | [diff] [blame] | 4740 | static PyObject * |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4741 | special_lookup(PyThreadState *tstate, PyObject *o, _Py_Identifier *id) |
Benjamin Peterson | 876b2f2 | 2009-06-28 03:18:59 +0000 | [diff] [blame] | 4742 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4743 | PyObject *res; |
Benjamin Peterson | ce79852 | 2012-01-22 11:24:29 -0500 | [diff] [blame] | 4744 | res = _PyObject_LookupSpecial(o, id); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4745 | if (res == NULL && !_PyErr_Occurred(tstate)) { |
Victor Stinner | 4804b5b | 2020-05-12 01:43:38 +0200 | [diff] [blame] | 4746 | _PyErr_SetObject(tstate, PyExc_AttributeError, _PyUnicode_FromId(id)); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4747 | return NULL; |
| 4748 | } |
| 4749 | return res; |
Benjamin Peterson | 876b2f2 | 2009-06-28 03:18:59 +0000 | [diff] [blame] | 4750 | } |
| 4751 | |
| 4752 | |
Guido van Rossum | 0aa9ee6 | 1996-12-10 18:07:35 +0000 | [diff] [blame] | 4753 | /* Logic for the raise statement (too complicated for inlining). |
| 4754 | This *consumes* a reference count to each of its arguments. */ |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 4755 | static int |
Victor Stinner | 09532fe | 2019-05-10 23:39:09 +0200 | [diff] [blame] | 4756 | do_raise(PyThreadState *tstate, PyObject *exc, PyObject *cause) |
Guido van Rossum | 0aa9ee6 | 1996-12-10 18:07:35 +0000 | [diff] [blame] | 4757 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4758 | PyObject *type = NULL, *value = NULL; |
Collin Winter | 828f04a | 2007-08-31 00:04:24 +0000 | [diff] [blame] | 4759 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4760 | if (exc == NULL) { |
| 4761 | /* Reraise */ |
Mark Shannon | ae3087c | 2017-10-22 22:41:51 +0100 | [diff] [blame] | 4762 | _PyErr_StackItem *exc_info = _PyErr_GetTopmostException(tstate); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4763 | PyObject *tb; |
Mark Shannon | ae3087c | 2017-10-22 22:41:51 +0100 | [diff] [blame] | 4764 | type = exc_info->exc_type; |
| 4765 | value = exc_info->exc_value; |
| 4766 | tb = exc_info->exc_traceback; |
Victor Stinner | eec9331 | 2016-08-18 18:13:10 +0200 | [diff] [blame] | 4767 | if (type == Py_None || type == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4768 | _PyErr_SetString(tstate, PyExc_RuntimeError, |
| 4769 | "No active exception to reraise"); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 4770 | return 0; |
| 4771 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4772 | Py_XINCREF(type); |
| 4773 | Py_XINCREF(value); |
| 4774 | Py_XINCREF(tb); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4775 | _PyErr_Restore(tstate, type, value, tb); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 4776 | return 1; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4777 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 4778 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4779 | /* We support the following forms of raise: |
| 4780 | raise |
Collin Winter | 828f04a | 2007-08-31 00:04:24 +0000 | [diff] [blame] | 4781 | raise <instance> |
| 4782 | raise <type> */ |
Guido van Rossum | 0aa9ee6 | 1996-12-10 18:07:35 +0000 | [diff] [blame] | 4783 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4784 | if (PyExceptionClass_Check(exc)) { |
| 4785 | type = exc; |
Victor Stinner | a5ed5f0 | 2016-12-06 18:45:50 +0100 | [diff] [blame] | 4786 | value = _PyObject_CallNoArg(exc); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4787 | if (value == NULL) |
| 4788 | goto raise_error; |
Benjamin Peterson | 5afa03a | 2011-07-15 14:09:26 -0500 | [diff] [blame] | 4789 | if (!PyExceptionInstance_Check(value)) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4790 | _PyErr_Format(tstate, PyExc_TypeError, |
| 4791 | "calling %R should have returned an instance of " |
| 4792 | "BaseException, not %R", |
| 4793 | type, Py_TYPE(value)); |
| 4794 | goto raise_error; |
Benjamin Peterson | 5afa03a | 2011-07-15 14:09:26 -0500 | [diff] [blame] | 4795 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4796 | } |
| 4797 | else if (PyExceptionInstance_Check(exc)) { |
| 4798 | value = exc; |
| 4799 | type = PyExceptionInstance_Class(exc); |
| 4800 | Py_INCREF(type); |
| 4801 | } |
| 4802 | else { |
| 4803 | /* Not something you can raise. You get an exception |
| 4804 | anyway, just not what you specified :-) */ |
| 4805 | Py_DECREF(exc); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4806 | _PyErr_SetString(tstate, PyExc_TypeError, |
| 4807 | "exceptions must derive from BaseException"); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4808 | goto raise_error; |
| 4809 | } |
Collin Winter | 828f04a | 2007-08-31 00:04:24 +0000 | [diff] [blame] | 4810 | |
Serhiy Storchaka | c019158 | 2016-09-27 11:37:10 +0300 | [diff] [blame] | 4811 | assert(type != NULL); |
| 4812 | assert(value != NULL); |
| 4813 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4814 | if (cause) { |
| 4815 | PyObject *fixed_cause; |
| 4816 | if (PyExceptionClass_Check(cause)) { |
Victor Stinner | a5ed5f0 | 2016-12-06 18:45:50 +0100 | [diff] [blame] | 4817 | fixed_cause = _PyObject_CallNoArg(cause); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4818 | if (fixed_cause == NULL) |
| 4819 | goto raise_error; |
Benjamin Peterson | d5a1c44 | 2012-05-14 22:09:31 -0700 | [diff] [blame] | 4820 | Py_DECREF(cause); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4821 | } |
Benjamin Peterson | d5a1c44 | 2012-05-14 22:09:31 -0700 | [diff] [blame] | 4822 | else if (PyExceptionInstance_Check(cause)) { |
| 4823 | fixed_cause = cause; |
| 4824 | } |
| 4825 | else if (cause == Py_None) { |
| 4826 | Py_DECREF(cause); |
| 4827 | fixed_cause = NULL; |
| 4828 | } |
| 4829 | else { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4830 | _PyErr_SetString(tstate, PyExc_TypeError, |
| 4831 | "exception causes must derive from " |
| 4832 | "BaseException"); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4833 | goto raise_error; |
| 4834 | } |
Benjamin Peterson | d5a1c44 | 2012-05-14 22:09:31 -0700 | [diff] [blame] | 4835 | PyException_SetCause(value, fixed_cause); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4836 | } |
Collin Winter | 828f04a | 2007-08-31 00:04:24 +0000 | [diff] [blame] | 4837 | |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4838 | _PyErr_SetObject(tstate, type, value); |
Victor Stinner | 61f4db8 | 2020-01-28 03:37:45 +0100 | [diff] [blame] | 4839 | /* _PyErr_SetObject incref's its arguments */ |
Serhiy Storchaka | c019158 | 2016-09-27 11:37:10 +0300 | [diff] [blame] | 4840 | Py_DECREF(value); |
| 4841 | Py_DECREF(type); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 4842 | return 0; |
Collin Winter | 828f04a | 2007-08-31 00:04:24 +0000 | [diff] [blame] | 4843 | |
| 4844 | raise_error: |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4845 | Py_XDECREF(value); |
| 4846 | Py_XDECREF(type); |
| 4847 | Py_XDECREF(cause); |
Benjamin Peterson | 31a58ff | 2012-10-12 11:34:51 -0400 | [diff] [blame] | 4848 | return 0; |
Guido van Rossum | 0aa9ee6 | 1996-12-10 18:07:35 +0000 | [diff] [blame] | 4849 | } |
| 4850 | |
Tim Peters | d6d010b | 2001-06-21 02:49:55 +0000 | [diff] [blame] | 4851 | /* Iterate v argcnt times and store the results on the stack (via decreasing |
Guido van Rossum | 0368b72 | 2007-05-11 16:50:42 +0000 | [diff] [blame] | 4852 | sp). Return 1 for success, 0 if error. |
Antoine Pitrou | 9a2310d | 2008-07-25 22:39:39 +0000 | [diff] [blame] | 4853 | |
Guido van Rossum | 0368b72 | 2007-05-11 16:50:42 +0000 | [diff] [blame] | 4854 | If argcntafter == -1, do a simple unpack. If it is >= 0, do an unpack |
| 4855 | with a variable target. |
| 4856 | */ |
Tim Peters | d6d010b | 2001-06-21 02:49:55 +0000 | [diff] [blame] | 4857 | |
Barry Warsaw | e42b18f | 1997-08-25 22:13:04 +0000 | [diff] [blame] | 4858 | static int |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4859 | unpack_iterable(PyThreadState *tstate, PyObject *v, |
| 4860 | int argcnt, int argcntafter, PyObject **sp) |
Barry Warsaw | e42b18f | 1997-08-25 22:13:04 +0000 | [diff] [blame] | 4861 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4862 | int i = 0, j = 0; |
| 4863 | Py_ssize_t ll = 0; |
| 4864 | PyObject *it; /* iter(v) */ |
| 4865 | PyObject *w; |
| 4866 | PyObject *l = NULL; /* variable list */ |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 4867 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4868 | assert(v != NULL); |
Tim Peters | d6d010b | 2001-06-21 02:49:55 +0000 | [diff] [blame] | 4869 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4870 | it = PyObject_GetIter(v); |
Serhiy Storchaka | 13a6c09 | 2017-12-26 12:30:41 +0200 | [diff] [blame] | 4871 | if (it == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4872 | if (_PyErr_ExceptionMatches(tstate, PyExc_TypeError) && |
Victor Stinner | a102ed7 | 2020-02-07 02:24:48 +0100 | [diff] [blame] | 4873 | Py_TYPE(v)->tp_iter == NULL && !PySequence_Check(v)) |
Serhiy Storchaka | 13a6c09 | 2017-12-26 12:30:41 +0200 | [diff] [blame] | 4874 | { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4875 | _PyErr_Format(tstate, PyExc_TypeError, |
| 4876 | "cannot unpack non-iterable %.200s object", |
Victor Stinner | a102ed7 | 2020-02-07 02:24:48 +0100 | [diff] [blame] | 4877 | Py_TYPE(v)->tp_name); |
Serhiy Storchaka | 13a6c09 | 2017-12-26 12:30:41 +0200 | [diff] [blame] | 4878 | } |
| 4879 | return 0; |
| 4880 | } |
Tim Peters | d6d010b | 2001-06-21 02:49:55 +0000 | [diff] [blame] | 4881 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4882 | for (; i < argcnt; i++) { |
| 4883 | w = PyIter_Next(it); |
| 4884 | if (w == NULL) { |
| 4885 | /* Iterator done, via error or exhaustion. */ |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4886 | if (!_PyErr_Occurred(tstate)) { |
R David Murray | 4171bbe | 2015-04-15 17:08:45 -0400 | [diff] [blame] | 4887 | if (argcntafter == -1) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4888 | _PyErr_Format(tstate, PyExc_ValueError, |
| 4889 | "not enough values to unpack " |
| 4890 | "(expected %d, got %d)", |
| 4891 | argcnt, i); |
R David Murray | 4171bbe | 2015-04-15 17:08:45 -0400 | [diff] [blame] | 4892 | } |
| 4893 | else { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4894 | _PyErr_Format(tstate, PyExc_ValueError, |
| 4895 | "not enough values to unpack " |
| 4896 | "(expected at least %d, got %d)", |
| 4897 | argcnt + argcntafter, i); |
R David Murray | 4171bbe | 2015-04-15 17:08:45 -0400 | [diff] [blame] | 4898 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4899 | } |
| 4900 | goto Error; |
| 4901 | } |
| 4902 | *--sp = w; |
| 4903 | } |
Tim Peters | d6d010b | 2001-06-21 02:49:55 +0000 | [diff] [blame] | 4904 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4905 | if (argcntafter == -1) { |
| 4906 | /* We better have exhausted the iterator now. */ |
| 4907 | w = PyIter_Next(it); |
| 4908 | if (w == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4909 | if (_PyErr_Occurred(tstate)) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4910 | goto Error; |
| 4911 | Py_DECREF(it); |
| 4912 | return 1; |
| 4913 | } |
| 4914 | Py_DECREF(w); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4915 | _PyErr_Format(tstate, PyExc_ValueError, |
| 4916 | "too many values to unpack (expected %d)", |
| 4917 | argcnt); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4918 | goto Error; |
| 4919 | } |
Guido van Rossum | 0368b72 | 2007-05-11 16:50:42 +0000 | [diff] [blame] | 4920 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4921 | l = PySequence_List(it); |
| 4922 | if (l == NULL) |
| 4923 | goto Error; |
| 4924 | *--sp = l; |
| 4925 | i++; |
Guido van Rossum | 0368b72 | 2007-05-11 16:50:42 +0000 | [diff] [blame] | 4926 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4927 | ll = PyList_GET_SIZE(l); |
| 4928 | if (ll < argcntafter) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4929 | _PyErr_Format(tstate, PyExc_ValueError, |
R David Murray | 4171bbe | 2015-04-15 17:08:45 -0400 | [diff] [blame] | 4930 | "not enough values to unpack (expected at least %d, got %zd)", |
| 4931 | argcnt + argcntafter, argcnt + ll); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4932 | goto Error; |
| 4933 | } |
Guido van Rossum | 0368b72 | 2007-05-11 16:50:42 +0000 | [diff] [blame] | 4934 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4935 | /* Pop the "after-variable" args off the list. */ |
| 4936 | for (j = argcntafter; j > 0; j--, i++) { |
| 4937 | *--sp = PyList_GET_ITEM(l, ll - j); |
| 4938 | } |
| 4939 | /* Resize the list. */ |
Victor Stinner | 60ac6ed | 2020-02-07 23:18:08 +0100 | [diff] [blame] | 4940 | Py_SET_SIZE(l, ll - argcntafter); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4941 | Py_DECREF(it); |
| 4942 | return 1; |
Guido van Rossum | 0368b72 | 2007-05-11 16:50:42 +0000 | [diff] [blame] | 4943 | |
Tim Peters | d6d010b | 2001-06-21 02:49:55 +0000 | [diff] [blame] | 4944 | Error: |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4945 | for (; i > 0; i--, sp++) |
| 4946 | Py_DECREF(*sp); |
| 4947 | Py_XDECREF(it); |
| 4948 | return 0; |
Barry Warsaw | e42b18f | 1997-08-25 22:13:04 +0000 | [diff] [blame] | 4949 | } |
| 4950 | |
| 4951 | |
Guido van Rossum | 96a42c8 | 1992-01-12 02:29:51 +0000 | [diff] [blame] | 4952 | #ifdef LLTRACE |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 4953 | static int |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4954 | prtrace(PyThreadState *tstate, PyObject *v, const char *str) |
Guido van Rossum | 10dc2e8 | 1990-11-18 17:27:39 +0000 | [diff] [blame] | 4955 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4956 | printf("%s ", str); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4957 | if (PyObject_Print(v, stdout, 0) != 0) { |
| 4958 | /* Don't know what else to do */ |
| 4959 | _PyErr_Clear(tstate); |
| 4960 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4961 | printf("\n"); |
| 4962 | return 1; |
Guido van Rossum | 10dc2e8 | 1990-11-18 17:27:39 +0000 | [diff] [blame] | 4963 | } |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 4964 | #endif |
Guido van Rossum | 10dc2e8 | 1990-11-18 17:27:39 +0000 | [diff] [blame] | 4965 | |
Guido van Rossum | 9c8d70d | 1992-03-23 18:19:28 +0000 | [diff] [blame] | 4966 | static void |
Victor Stinner | fdeb6ec | 2013-12-13 02:01:38 +0100 | [diff] [blame] | 4967 | call_exc_trace(Py_tracefunc func, PyObject *self, |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 4968 | PyThreadState *tstate, |
| 4969 | PyFrameObject *f, |
| 4970 | PyCodeAddressRange *bounds) |
Guido van Rossum | 9c8d70d | 1992-03-23 18:19:28 +0000 | [diff] [blame] | 4971 | { |
Victor Stinner | aaa8ed8 | 2013-07-10 13:57:55 +0200 | [diff] [blame] | 4972 | PyObject *type, *value, *traceback, *orig_traceback, *arg; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4973 | int err; |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4974 | _PyErr_Fetch(tstate, &type, &value, &orig_traceback); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4975 | if (value == NULL) { |
| 4976 | value = Py_None; |
| 4977 | Py_INCREF(value); |
| 4978 | } |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4979 | _PyErr_NormalizeException(tstate, &type, &value, &orig_traceback); |
Antoine Pitrou | 8933521 | 2013-11-23 14:05:23 +0100 | [diff] [blame] | 4980 | traceback = (orig_traceback != NULL) ? orig_traceback : Py_None; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4981 | arg = PyTuple_Pack(3, type, value, traceback); |
| 4982 | if (arg == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4983 | _PyErr_Restore(tstate, type, value, orig_traceback); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4984 | return; |
| 4985 | } |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 4986 | err = call_trace(func, self, tstate, f, bounds, PyTrace_EXCEPTION, arg); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4987 | Py_DECREF(arg); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 4988 | if (err == 0) { |
| 4989 | _PyErr_Restore(tstate, type, value, orig_traceback); |
| 4990 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4991 | else { |
| 4992 | Py_XDECREF(type); |
| 4993 | Py_XDECREF(value); |
Victor Stinner | aaa8ed8 | 2013-07-10 13:57:55 +0200 | [diff] [blame] | 4994 | Py_XDECREF(orig_traceback); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 4995 | } |
Guido van Rossum | 9c8d70d | 1992-03-23 18:19:28 +0000 | [diff] [blame] | 4996 | } |
| 4997 | |
Amaury Forgeot d'Arc | f05149a | 2007-11-13 01:05:30 +0000 | [diff] [blame] | 4998 | static int |
Victor Stinner | fdeb6ec | 2013-12-13 02:01:38 +0100 | [diff] [blame] | 4999 | call_trace_protected(Py_tracefunc func, PyObject *obj, |
| 5000 | PyThreadState *tstate, PyFrameObject *frame, |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 5001 | PyCodeAddressRange *bounds, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5002 | int what, PyObject *arg) |
Fred Drake | 4ec5d56 | 2001-10-04 19:26:43 +0000 | [diff] [blame] | 5003 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5004 | PyObject *type, *value, *traceback; |
| 5005 | int err; |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5006 | _PyErr_Fetch(tstate, &type, &value, &traceback); |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 5007 | err = call_trace(func, obj, tstate, frame, bounds, what, arg); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5008 | if (err == 0) |
| 5009 | { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5010 | _PyErr_Restore(tstate, type, value, traceback); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5011 | return 0; |
| 5012 | } |
| 5013 | else { |
| 5014 | Py_XDECREF(type); |
| 5015 | Py_XDECREF(value); |
| 5016 | Py_XDECREF(traceback); |
| 5017 | return -1; |
| 5018 | } |
Fred Drake | 4ec5d56 | 2001-10-04 19:26:43 +0000 | [diff] [blame] | 5019 | } |
| 5020 | |
Guido van Rossum | 9c8d70d | 1992-03-23 18:19:28 +0000 | [diff] [blame] | 5021 | static int |
Victor Stinner | fdeb6ec | 2013-12-13 02:01:38 +0100 | [diff] [blame] | 5022 | call_trace(Py_tracefunc func, PyObject *obj, |
| 5023 | PyThreadState *tstate, PyFrameObject *frame, |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 5024 | PyCodeAddressRange *bounds, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5025 | int what, PyObject *arg) |
Guido van Rossum | 96a42c8 | 1992-01-12 02:29:51 +0000 | [diff] [blame] | 5026 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5027 | int result; |
| 5028 | if (tstate->tracing) |
| 5029 | return 0; |
| 5030 | tstate->tracing++; |
| 5031 | tstate->use_tracing = 0; |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 5032 | if (frame->f_lasti < 0) { |
| 5033 | frame->f_lineno = frame->f_code->co_firstlineno; |
| 5034 | } |
| 5035 | else { |
| 5036 | frame->f_lineno = _PyCode_CheckLineNumber(frame->f_lasti, bounds); |
| 5037 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5038 | result = func(obj, frame, what, arg); |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 5039 | frame->f_lineno = 0; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5040 | tstate->use_tracing = ((tstate->c_tracefunc != NULL) |
| 5041 | || (tstate->c_profilefunc != NULL)); |
| 5042 | tstate->tracing--; |
| 5043 | return result; |
Guido van Rossum | 96a42c8 | 1992-01-12 02:29:51 +0000 | [diff] [blame] | 5044 | } |
| 5045 | |
Guido van Rossum | a12fe4e | 2003-04-09 19:06:21 +0000 | [diff] [blame] | 5046 | PyObject * |
| 5047 | _PyEval_CallTracing(PyObject *func, PyObject *args) |
| 5048 | { |
Victor Stinner | 50b4857 | 2018-11-01 01:51:40 +0100 | [diff] [blame] | 5049 | PyThreadState *tstate = _PyThreadState_GET(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5050 | int save_tracing = tstate->tracing; |
| 5051 | int save_use_tracing = tstate->use_tracing; |
| 5052 | PyObject *result; |
Guido van Rossum | a12fe4e | 2003-04-09 19:06:21 +0000 | [diff] [blame] | 5053 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5054 | tstate->tracing = 0; |
| 5055 | tstate->use_tracing = ((tstate->c_tracefunc != NULL) |
| 5056 | || (tstate->c_profilefunc != NULL)); |
| 5057 | result = PyObject_Call(func, args, NULL); |
| 5058 | tstate->tracing = save_tracing; |
| 5059 | tstate->use_tracing = save_use_tracing; |
| 5060 | return result; |
Guido van Rossum | a12fe4e | 2003-04-09 19:06:21 +0000 | [diff] [blame] | 5061 | } |
| 5062 | |
Alexandre Vassalotti | 7b82b40 | 2009-07-21 04:30:03 +0000 | [diff] [blame] | 5063 | /* See Objects/lnotab_notes.txt for a description of how tracing works. */ |
Michael W. Hudson | 006c752 | 2002-11-08 13:08:46 +0000 | [diff] [blame] | 5064 | static int |
Tim Peters | 8a5c3c7 | 2004-04-05 19:36:21 +0000 | [diff] [blame] | 5065 | maybe_call_line_trace(Py_tracefunc func, PyObject *obj, |
Victor Stinner | fdeb6ec | 2013-12-13 02:01:38 +0100 | [diff] [blame] | 5066 | PyThreadState *tstate, PyFrameObject *frame, |
Mark Shannon | 877df85 | 2020-11-12 09:43:29 +0000 | [diff] [blame] | 5067 | PyCodeAddressRange *bounds, int *instr_prev) |
Michael W. Hudson | dd32a91 | 2002-08-15 14:59:02 +0000 | [diff] [blame] | 5068 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5069 | int result = 0; |
Michael W. Hudson | 006c752 | 2002-11-08 13:08:46 +0000 | [diff] [blame] | 5070 | |
Nick Coghlan | 5a85167 | 2017-09-08 10:14:16 +1000 | [diff] [blame] | 5071 | /* If the last instruction falls at the start of a line or if it |
| 5072 | represents a jump backwards, update the frame's line number and |
| 5073 | then call the trace function if we're tracing source lines. |
| 5074 | */ |
Mark Shannon | ee9f98d | 2021-01-05 12:04:10 +0000 | [diff] [blame] | 5075 | int lastline = bounds->ar_line; |
| 5076 | int line = _PyCode_CheckLineNumber(frame->f_lasti, bounds); |
| 5077 | if (line != -1 && frame->f_trace_lines) { |
| 5078 | /* Trace backward edges or first instruction of a new line */ |
| 5079 | if (frame->f_lasti < *instr_prev || |
| 5080 | (line != lastline && frame->f_lasti == bounds->ar_start)) |
| 5081 | { |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 5082 | result = call_trace(func, obj, tstate, frame, bounds, PyTrace_LINE, Py_None); |
Nick Coghlan | 5a85167 | 2017-09-08 10:14:16 +1000 | [diff] [blame] | 5083 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5084 | } |
George King | 20faa68 | 2017-10-18 17:44:22 -0700 | [diff] [blame] | 5085 | /* Always emit an opcode event if we're tracing all opcodes. */ |
| 5086 | if (frame->f_trace_opcodes) { |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 5087 | result = call_trace(func, obj, tstate, frame, bounds, PyTrace_OPCODE, Py_None); |
George King | 20faa68 | 2017-10-18 17:44:22 -0700 | [diff] [blame] | 5088 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5089 | *instr_prev = frame->f_lasti; |
| 5090 | return result; |
Michael W. Hudson | dd32a91 | 2002-08-15 14:59:02 +0000 | [diff] [blame] | 5091 | } |
| 5092 | |
Victor Stinner | 309d7cc | 2020-03-13 16:39:12 +0100 | [diff] [blame] | 5093 | int |
| 5094 | _PyEval_SetProfile(PyThreadState *tstate, Py_tracefunc func, PyObject *arg) |
| 5095 | { |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 5096 | assert(is_tstate_valid(tstate)); |
Victor Stinner | 309d7cc | 2020-03-13 16:39:12 +0100 | [diff] [blame] | 5097 | /* The caller must hold the GIL */ |
| 5098 | assert(PyGILState_Check()); |
| 5099 | |
Victor Stinner | 1c1e68c | 2020-03-27 15:11:45 +0100 | [diff] [blame] | 5100 | /* Call _PySys_Audit() in the context of the current thread state, |
Victor Stinner | 309d7cc | 2020-03-13 16:39:12 +0100 | [diff] [blame] | 5101 | even if tstate is not the current thread state. */ |
Victor Stinner | 1c1e68c | 2020-03-27 15:11:45 +0100 | [diff] [blame] | 5102 | PyThreadState *current_tstate = _PyThreadState_GET(); |
| 5103 | if (_PySys_Audit(current_tstate, "sys.setprofile", NULL) < 0) { |
Victor Stinner | 309d7cc | 2020-03-13 16:39:12 +0100 | [diff] [blame] | 5104 | return -1; |
| 5105 | } |
| 5106 | |
| 5107 | PyObject *profileobj = tstate->c_profileobj; |
| 5108 | |
| 5109 | tstate->c_profilefunc = NULL; |
| 5110 | tstate->c_profileobj = NULL; |
| 5111 | /* Must make sure that tracing is not ignored if 'profileobj' is freed */ |
| 5112 | tstate->use_tracing = tstate->c_tracefunc != NULL; |
| 5113 | Py_XDECREF(profileobj); |
| 5114 | |
| 5115 | Py_XINCREF(arg); |
| 5116 | tstate->c_profileobj = arg; |
| 5117 | tstate->c_profilefunc = func; |
| 5118 | |
| 5119 | /* Flag that tracing or profiling is turned on */ |
| 5120 | tstate->use_tracing = (func != NULL) || (tstate->c_tracefunc != NULL); |
| 5121 | return 0; |
| 5122 | } |
| 5123 | |
Fred Drake | 5755ce6 | 2001-06-27 19:19:46 +0000 | [diff] [blame] | 5124 | void |
| 5125 | PyEval_SetProfile(Py_tracefunc func, PyObject *arg) |
Fred Drake | d083839 | 2001-06-16 21:02:31 +0000 | [diff] [blame] | 5126 | { |
Victor Stinner | 309d7cc | 2020-03-13 16:39:12 +0100 | [diff] [blame] | 5127 | PyThreadState *tstate = _PyThreadState_GET(); |
Victor Stinner | f6a5850 | 2020-03-16 17:41:44 +0100 | [diff] [blame] | 5128 | if (_PyEval_SetProfile(tstate, func, arg) < 0) { |
Victor Stinner | 1c1e68c | 2020-03-27 15:11:45 +0100 | [diff] [blame] | 5129 | /* Log _PySys_Audit() error */ |
Victor Stinner | f6a5850 | 2020-03-16 17:41:44 +0100 | [diff] [blame] | 5130 | _PyErr_WriteUnraisableMsg("in PyEval_SetProfile", NULL); |
| 5131 | } |
Victor Stinner | 309d7cc | 2020-03-13 16:39:12 +0100 | [diff] [blame] | 5132 | } |
| 5133 | |
| 5134 | int |
| 5135 | _PyEval_SetTrace(PyThreadState *tstate, Py_tracefunc func, PyObject *arg) |
| 5136 | { |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 5137 | assert(is_tstate_valid(tstate)); |
Victor Stinner | 309d7cc | 2020-03-13 16:39:12 +0100 | [diff] [blame] | 5138 | /* The caller must hold the GIL */ |
| 5139 | assert(PyGILState_Check()); |
| 5140 | |
Victor Stinner | 1c1e68c | 2020-03-27 15:11:45 +0100 | [diff] [blame] | 5141 | /* Call _PySys_Audit() in the context of the current thread state, |
Victor Stinner | 309d7cc | 2020-03-13 16:39:12 +0100 | [diff] [blame] | 5142 | even if tstate is not the current thread state. */ |
Victor Stinner | 1c1e68c | 2020-03-27 15:11:45 +0100 | [diff] [blame] | 5143 | PyThreadState *current_tstate = _PyThreadState_GET(); |
| 5144 | if (_PySys_Audit(current_tstate, "sys.settrace", NULL) < 0) { |
Victor Stinner | 309d7cc | 2020-03-13 16:39:12 +0100 | [diff] [blame] | 5145 | return -1; |
Steve Dower | b82e17e | 2019-05-23 08:45:22 -0700 | [diff] [blame] | 5146 | } |
| 5147 | |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 5148 | struct _ceval_state *ceval2 = &tstate->interp->ceval; |
Victor Stinner | 309d7cc | 2020-03-13 16:39:12 +0100 | [diff] [blame] | 5149 | PyObject *traceobj = tstate->c_traceobj; |
Victor Stinner | da2914d | 2020-03-20 09:29:08 +0100 | [diff] [blame] | 5150 | ceval2->tracing_possible += (func != NULL) - (tstate->c_tracefunc != NULL); |
Victor Stinner | 309d7cc | 2020-03-13 16:39:12 +0100 | [diff] [blame] | 5151 | |
| 5152 | tstate->c_tracefunc = NULL; |
| 5153 | tstate->c_traceobj = NULL; |
| 5154 | /* Must make sure that profiling is not ignored if 'traceobj' is freed */ |
| 5155 | tstate->use_tracing = (tstate->c_profilefunc != NULL); |
| 5156 | Py_XDECREF(traceobj); |
| 5157 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5158 | Py_XINCREF(arg); |
Victor Stinner | 309d7cc | 2020-03-13 16:39:12 +0100 | [diff] [blame] | 5159 | tstate->c_traceobj = arg; |
| 5160 | tstate->c_tracefunc = func; |
| 5161 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5162 | /* Flag that tracing or profiling is turned on */ |
Victor Stinner | 309d7cc | 2020-03-13 16:39:12 +0100 | [diff] [blame] | 5163 | tstate->use_tracing = ((func != NULL) |
| 5164 | || (tstate->c_profilefunc != NULL)); |
| 5165 | |
| 5166 | return 0; |
Fred Drake | 5755ce6 | 2001-06-27 19:19:46 +0000 | [diff] [blame] | 5167 | } |
| 5168 | |
| 5169 | void |
| 5170 | PyEval_SetTrace(Py_tracefunc func, PyObject *arg) |
| 5171 | { |
Victor Stinner | 309d7cc | 2020-03-13 16:39:12 +0100 | [diff] [blame] | 5172 | PyThreadState *tstate = _PyThreadState_GET(); |
Victor Stinner | f6a5850 | 2020-03-16 17:41:44 +0100 | [diff] [blame] | 5173 | if (_PyEval_SetTrace(tstate, func, arg) < 0) { |
Victor Stinner | 1c1e68c | 2020-03-27 15:11:45 +0100 | [diff] [blame] | 5174 | /* Log _PySys_Audit() error */ |
Victor Stinner | f6a5850 | 2020-03-16 17:41:44 +0100 | [diff] [blame] | 5175 | _PyErr_WriteUnraisableMsg("in PyEval_SetTrace", NULL); |
| 5176 | } |
Fred Drake | d083839 | 2001-06-16 21:02:31 +0000 | [diff] [blame] | 5177 | } |
| 5178 | |
Victor Stinner | 309d7cc | 2020-03-13 16:39:12 +0100 | [diff] [blame] | 5179 | |
Yury Selivanov | 7544508 | 2015-05-11 22:57:16 -0400 | [diff] [blame] | 5180 | void |
Victor Stinner | 838f264 | 2019-06-13 22:41:23 +0200 | [diff] [blame] | 5181 | _PyEval_SetCoroutineOriginTrackingDepth(PyThreadState *tstate, int new_depth) |
Nathaniel J. Smith | fc2f407 | 2018-01-21 06:44:07 -0800 | [diff] [blame] | 5182 | { |
| 5183 | assert(new_depth >= 0); |
Nathaniel J. Smith | fc2f407 | 2018-01-21 06:44:07 -0800 | [diff] [blame] | 5184 | tstate->coroutine_origin_tracking_depth = new_depth; |
| 5185 | } |
| 5186 | |
| 5187 | int |
| 5188 | _PyEval_GetCoroutineOriginTrackingDepth(void) |
| 5189 | { |
Victor Stinner | 50b4857 | 2018-11-01 01:51:40 +0100 | [diff] [blame] | 5190 | PyThreadState *tstate = _PyThreadState_GET(); |
Nathaniel J. Smith | fc2f407 | 2018-01-21 06:44:07 -0800 | [diff] [blame] | 5191 | return tstate->coroutine_origin_tracking_depth; |
| 5192 | } |
| 5193 | |
Zackery Spytz | 79ceccd | 2020-03-26 06:11:13 -0600 | [diff] [blame] | 5194 | int |
Yury Selivanov | eb63645 | 2016-09-08 22:01:51 -0700 | [diff] [blame] | 5195 | _PyEval_SetAsyncGenFirstiter(PyObject *firstiter) |
| 5196 | { |
Victor Stinner | 50b4857 | 2018-11-01 01:51:40 +0100 | [diff] [blame] | 5197 | PyThreadState *tstate = _PyThreadState_GET(); |
Steve Dower | b82e17e | 2019-05-23 08:45:22 -0700 | [diff] [blame] | 5198 | |
Victor Stinner | 1c1e68c | 2020-03-27 15:11:45 +0100 | [diff] [blame] | 5199 | if (_PySys_Audit(tstate, "sys.set_asyncgen_hook_firstiter", NULL) < 0) { |
Zackery Spytz | 79ceccd | 2020-03-26 06:11:13 -0600 | [diff] [blame] | 5200 | return -1; |
Steve Dower | b82e17e | 2019-05-23 08:45:22 -0700 | [diff] [blame] | 5201 | } |
| 5202 | |
Yury Selivanov | eb63645 | 2016-09-08 22:01:51 -0700 | [diff] [blame] | 5203 | Py_XINCREF(firstiter); |
| 5204 | Py_XSETREF(tstate->async_gen_firstiter, firstiter); |
Zackery Spytz | 79ceccd | 2020-03-26 06:11:13 -0600 | [diff] [blame] | 5205 | return 0; |
Yury Selivanov | eb63645 | 2016-09-08 22:01:51 -0700 | [diff] [blame] | 5206 | } |
| 5207 | |
| 5208 | PyObject * |
| 5209 | _PyEval_GetAsyncGenFirstiter(void) |
| 5210 | { |
Victor Stinner | 50b4857 | 2018-11-01 01:51:40 +0100 | [diff] [blame] | 5211 | PyThreadState *tstate = _PyThreadState_GET(); |
Yury Selivanov | eb63645 | 2016-09-08 22:01:51 -0700 | [diff] [blame] | 5212 | return tstate->async_gen_firstiter; |
| 5213 | } |
| 5214 | |
Zackery Spytz | 79ceccd | 2020-03-26 06:11:13 -0600 | [diff] [blame] | 5215 | int |
Yury Selivanov | eb63645 | 2016-09-08 22:01:51 -0700 | [diff] [blame] | 5216 | _PyEval_SetAsyncGenFinalizer(PyObject *finalizer) |
| 5217 | { |
Victor Stinner | 50b4857 | 2018-11-01 01:51:40 +0100 | [diff] [blame] | 5218 | PyThreadState *tstate = _PyThreadState_GET(); |
Steve Dower | b82e17e | 2019-05-23 08:45:22 -0700 | [diff] [blame] | 5219 | |
Victor Stinner | 1c1e68c | 2020-03-27 15:11:45 +0100 | [diff] [blame] | 5220 | if (_PySys_Audit(tstate, "sys.set_asyncgen_hook_finalizer", NULL) < 0) { |
Zackery Spytz | 79ceccd | 2020-03-26 06:11:13 -0600 | [diff] [blame] | 5221 | return -1; |
Steve Dower | b82e17e | 2019-05-23 08:45:22 -0700 | [diff] [blame] | 5222 | } |
| 5223 | |
Yury Selivanov | eb63645 | 2016-09-08 22:01:51 -0700 | [diff] [blame] | 5224 | Py_XINCREF(finalizer); |
| 5225 | Py_XSETREF(tstate->async_gen_finalizer, finalizer); |
Zackery Spytz | 79ceccd | 2020-03-26 06:11:13 -0600 | [diff] [blame] | 5226 | return 0; |
Yury Selivanov | eb63645 | 2016-09-08 22:01:51 -0700 | [diff] [blame] | 5227 | } |
| 5228 | |
| 5229 | PyObject * |
| 5230 | _PyEval_GetAsyncGenFinalizer(void) |
| 5231 | { |
Victor Stinner | 50b4857 | 2018-11-01 01:51:40 +0100 | [diff] [blame] | 5232 | PyThreadState *tstate = _PyThreadState_GET(); |
Yury Selivanov | eb63645 | 2016-09-08 22:01:51 -0700 | [diff] [blame] | 5233 | return tstate->async_gen_finalizer; |
| 5234 | } |
| 5235 | |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5236 | PyFrameObject * |
| 5237 | PyEval_GetFrame(void) |
| 5238 | { |
| 5239 | PyThreadState *tstate = _PyThreadState_GET(); |
Victor Stinner | 6723e93 | 2020-03-20 17:46:56 +0100 | [diff] [blame] | 5240 | return tstate->frame; |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5241 | } |
| 5242 | |
Guido van Rossum | b209a11 | 1997-04-29 18:18:01 +0000 | [diff] [blame] | 5243 | PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 5244 | PyEval_GetBuiltins(void) |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 5245 | { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5246 | PyThreadState *tstate = _PyThreadState_GET(); |
Victor Stinner | 6723e93 | 2020-03-20 17:46:56 +0100 | [diff] [blame] | 5247 | PyFrameObject *current_frame = tstate->frame; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5248 | if (current_frame == NULL) |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5249 | return tstate->interp->builtins; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5250 | else |
| 5251 | return current_frame->f_builtins; |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 5252 | } |
| 5253 | |
Serhiy Storchaka | bb86bf4 | 2018-12-11 08:28:18 +0200 | [diff] [blame] | 5254 | /* Convenience function to get a builtin from its name */ |
| 5255 | PyObject * |
| 5256 | _PyEval_GetBuiltinId(_Py_Identifier *name) |
| 5257 | { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5258 | PyThreadState *tstate = _PyThreadState_GET(); |
Serhiy Storchaka | bb86bf4 | 2018-12-11 08:28:18 +0200 | [diff] [blame] | 5259 | PyObject *attr = _PyDict_GetItemIdWithError(PyEval_GetBuiltins(), name); |
| 5260 | if (attr) { |
| 5261 | Py_INCREF(attr); |
| 5262 | } |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5263 | else if (!_PyErr_Occurred(tstate)) { |
| 5264 | _PyErr_SetObject(tstate, PyExc_AttributeError, _PyUnicode_FromId(name)); |
Serhiy Storchaka | bb86bf4 | 2018-12-11 08:28:18 +0200 | [diff] [blame] | 5265 | } |
| 5266 | return attr; |
| 5267 | } |
| 5268 | |
Guido van Rossum | b209a11 | 1997-04-29 18:18:01 +0000 | [diff] [blame] | 5269 | PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 5270 | PyEval_GetLocals(void) |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 5271 | { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5272 | PyThreadState *tstate = _PyThreadState_GET(); |
Victor Stinner | 6723e93 | 2020-03-20 17:46:56 +0100 | [diff] [blame] | 5273 | PyFrameObject *current_frame = tstate->frame; |
Victor Stinner | 41bb43a | 2013-10-29 01:19:37 +0100 | [diff] [blame] | 5274 | if (current_frame == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5275 | _PyErr_SetString(tstate, PyExc_SystemError, "frame does not exist"); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5276 | return NULL; |
Victor Stinner | 41bb43a | 2013-10-29 01:19:37 +0100 | [diff] [blame] | 5277 | } |
| 5278 | |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5279 | if (PyFrame_FastToLocalsWithError(current_frame) < 0) { |
Victor Stinner | 41bb43a | 2013-10-29 01:19:37 +0100 | [diff] [blame] | 5280 | return NULL; |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5281 | } |
Victor Stinner | 41bb43a | 2013-10-29 01:19:37 +0100 | [diff] [blame] | 5282 | |
| 5283 | assert(current_frame->f_locals != NULL); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5284 | return current_frame->f_locals; |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 5285 | } |
| 5286 | |
Guido van Rossum | b209a11 | 1997-04-29 18:18:01 +0000 | [diff] [blame] | 5287 | PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 5288 | PyEval_GetGlobals(void) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 5289 | { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5290 | PyThreadState *tstate = _PyThreadState_GET(); |
Victor Stinner | 6723e93 | 2020-03-20 17:46:56 +0100 | [diff] [blame] | 5291 | PyFrameObject *current_frame = tstate->frame; |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5292 | if (current_frame == NULL) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5293 | return NULL; |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5294 | } |
Victor Stinner | 41bb43a | 2013-10-29 01:19:37 +0100 | [diff] [blame] | 5295 | |
| 5296 | assert(current_frame->f_globals != NULL); |
| 5297 | return current_frame->f_globals; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 5298 | } |
| 5299 | |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 5300 | int |
Tim Peters | 5ba5866 | 2001-07-16 02:29:45 +0000 | [diff] [blame] | 5301 | PyEval_MergeCompilerFlags(PyCompilerFlags *cf) |
Jeremy Hylton | 061d106 | 2001-03-22 02:32:48 +0000 | [diff] [blame] | 5302 | { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5303 | PyThreadState *tstate = _PyThreadState_GET(); |
Victor Stinner | 6723e93 | 2020-03-20 17:46:56 +0100 | [diff] [blame] | 5304 | PyFrameObject *current_frame = tstate->frame; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5305 | int result = cf->cf_flags != 0; |
Tim Peters | 5ba5866 | 2001-07-16 02:29:45 +0000 | [diff] [blame] | 5306 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5307 | if (current_frame != NULL) { |
| 5308 | const int codeflags = current_frame->f_code->co_flags; |
| 5309 | const int compilerflags = codeflags & PyCF_MASK; |
| 5310 | if (compilerflags) { |
| 5311 | result = 1; |
| 5312 | cf->cf_flags |= compilerflags; |
| 5313 | } |
Neil Schemenauer | c24ea08 | 2002-03-22 23:53:36 +0000 | [diff] [blame] | 5314 | #if 0 /* future keyword */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5315 | if (codeflags & CO_GENERATOR_ALLOWED) { |
| 5316 | result = 1; |
| 5317 | cf->cf_flags |= CO_GENERATOR_ALLOWED; |
| 5318 | } |
Neil Schemenauer | c24ea08 | 2002-03-22 23:53:36 +0000 | [diff] [blame] | 5319 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5320 | } |
| 5321 | return result; |
Jeremy Hylton | 061d106 | 2001-03-22 02:32:48 +0000 | [diff] [blame] | 5322 | } |
| 5323 | |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 5324 | |
Jeremy Hylton | af68c87 | 2005-12-10 18:50:16 +0000 | [diff] [blame] | 5325 | const char * |
Tim Peters | 6d6c1a3 | 2001-08-02 04:15:00 +0000 | [diff] [blame] | 5326 | PyEval_GetFuncName(PyObject *func) |
Jeremy Hylton | 512a237 | 2001-04-11 13:52:29 +0000 | [diff] [blame] | 5327 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5328 | if (PyMethod_Check(func)) |
| 5329 | return PyEval_GetFuncName(PyMethod_GET_FUNCTION(func)); |
| 5330 | else if (PyFunction_Check(func)) |
Serhiy Storchaka | 0651583 | 2016-11-20 09:13:07 +0200 | [diff] [blame] | 5331 | return PyUnicode_AsUTF8(((PyFunctionObject*)func)->func_name); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5332 | else if (PyCFunction_Check(func)) |
| 5333 | return ((PyCFunctionObject*)func)->m_ml->ml_name; |
| 5334 | else |
Victor Stinner | a102ed7 | 2020-02-07 02:24:48 +0100 | [diff] [blame] | 5335 | return Py_TYPE(func)->tp_name; |
Jeremy Hylton | 512a237 | 2001-04-11 13:52:29 +0000 | [diff] [blame] | 5336 | } |
| 5337 | |
Jeremy Hylton | af68c87 | 2005-12-10 18:50:16 +0000 | [diff] [blame] | 5338 | const char * |
Tim Peters | 6d6c1a3 | 2001-08-02 04:15:00 +0000 | [diff] [blame] | 5339 | PyEval_GetFuncDesc(PyObject *func) |
Jeremy Hylton | 512a237 | 2001-04-11 13:52:29 +0000 | [diff] [blame] | 5340 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5341 | if (PyMethod_Check(func)) |
| 5342 | return "()"; |
| 5343 | else if (PyFunction_Check(func)) |
| 5344 | return "()"; |
| 5345 | else if (PyCFunction_Check(func)) |
| 5346 | return "()"; |
| 5347 | else |
| 5348 | return " object"; |
Jeremy Hylton | 512a237 | 2001-04-11 13:52:29 +0000 | [diff] [blame] | 5349 | } |
| 5350 | |
Armin Rigo | 1c2d7e5 | 2005-09-20 18:34:01 +0000 | [diff] [blame] | 5351 | #define C_TRACE(x, call) \ |
Nicholas Bastin | d858a77 | 2004-06-25 23:31:06 +0000 | [diff] [blame] | 5352 | if (tstate->use_tracing && tstate->c_profilefunc) { \ |
Victor Stinner | fdeb6ec | 2013-12-13 02:01:38 +0100 | [diff] [blame] | 5353 | if (call_trace(tstate->c_profilefunc, tstate->c_profileobj, \ |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 5354 | tstate, tstate->frame, bounds, \ |
Victor Stinner | fdeb6ec | 2013-12-13 02:01:38 +0100 | [diff] [blame] | 5355 | PyTrace_C_CALL, func)) { \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5356 | x = NULL; \ |
| 5357 | } \ |
| 5358 | else { \ |
| 5359 | x = call; \ |
| 5360 | if (tstate->c_profilefunc != NULL) { \ |
| 5361 | if (x == NULL) { \ |
| 5362 | call_trace_protected(tstate->c_profilefunc, \ |
| 5363 | tstate->c_profileobj, \ |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 5364 | tstate, tstate->frame, bounds, \ |
Victor Stinner | fdeb6ec | 2013-12-13 02:01:38 +0100 | [diff] [blame] | 5365 | PyTrace_C_EXCEPTION, func); \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5366 | /* XXX should pass (type, value, tb) */ \ |
| 5367 | } else { \ |
| 5368 | if (call_trace(tstate->c_profilefunc, \ |
| 5369 | tstate->c_profileobj, \ |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 5370 | tstate, tstate->frame, bounds, \ |
Victor Stinner | fdeb6ec | 2013-12-13 02:01:38 +0100 | [diff] [blame] | 5371 | PyTrace_C_RETURN, func)) { \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5372 | Py_DECREF(x); \ |
| 5373 | x = NULL; \ |
| 5374 | } \ |
| 5375 | } \ |
| 5376 | } \ |
| 5377 | } \ |
Nicholas Bastin | d858a77 | 2004-06-25 23:31:06 +0000 | [diff] [blame] | 5378 | } else { \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5379 | x = call; \ |
| 5380 | } |
Nicholas Bastin | c69ebe8 | 2004-03-24 21:57:10 +0000 | [diff] [blame] | 5381 | |
Jeroen Demeyer | aacc77f | 2019-05-29 20:31:52 +0200 | [diff] [blame] | 5382 | |
| 5383 | static PyObject * |
| 5384 | trace_call_function(PyThreadState *tstate, |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 5385 | PyCodeAddressRange *bounds, |
Jeroen Demeyer | aacc77f | 2019-05-29 20:31:52 +0200 | [diff] [blame] | 5386 | PyObject *func, |
| 5387 | PyObject **args, Py_ssize_t nargs, |
| 5388 | PyObject *kwnames) |
| 5389 | { |
| 5390 | PyObject *x; |
scoder | 4c9ea09 | 2020-05-12 16:12:41 +0200 | [diff] [blame] | 5391 | if (PyCFunction_CheckExact(func) || PyCMethod_CheckExact(func)) { |
Petr Viktorin | ffd9753 | 2020-02-11 17:46:57 +0100 | [diff] [blame] | 5392 | C_TRACE(x, PyObject_Vectorcall(func, args, nargs, kwnames)); |
Jeroen Demeyer | aacc77f | 2019-05-29 20:31:52 +0200 | [diff] [blame] | 5393 | return x; |
| 5394 | } |
Andy Lester | dffe4c0 | 2020-03-04 07:15:20 -0600 | [diff] [blame] | 5395 | else if (Py_IS_TYPE(func, &PyMethodDescr_Type) && nargs > 0) { |
Jeroen Demeyer | aacc77f | 2019-05-29 20:31:52 +0200 | [diff] [blame] | 5396 | /* We need to create a temporary bound method as argument |
| 5397 | for profiling. |
| 5398 | |
| 5399 | If nargs == 0, then this cannot work because we have no |
| 5400 | "self". In any case, the call itself would raise |
| 5401 | TypeError (foo needs an argument), so we just skip |
| 5402 | profiling. */ |
| 5403 | PyObject *self = args[0]; |
| 5404 | func = Py_TYPE(func)->tp_descr_get(func, self, (PyObject*)Py_TYPE(self)); |
| 5405 | if (func == NULL) { |
| 5406 | return NULL; |
| 5407 | } |
Petr Viktorin | ffd9753 | 2020-02-11 17:46:57 +0100 | [diff] [blame] | 5408 | C_TRACE(x, PyObject_Vectorcall(func, |
Jeroen Demeyer | 0d722f3 | 2019-07-05 14:48:24 +0200 | [diff] [blame] | 5409 | args+1, nargs-1, |
| 5410 | kwnames)); |
Jeroen Demeyer | aacc77f | 2019-05-29 20:31:52 +0200 | [diff] [blame] | 5411 | Py_DECREF(func); |
| 5412 | return x; |
| 5413 | } |
Petr Viktorin | ffd9753 | 2020-02-11 17:46:57 +0100 | [diff] [blame] | 5414 | return PyObject_Vectorcall(func, args, nargs | PY_VECTORCALL_ARGUMENTS_OFFSET, kwnames); |
Jeroen Demeyer | aacc77f | 2019-05-29 20:31:52 +0200 | [diff] [blame] | 5415 | } |
| 5416 | |
Victor Stinner | 415c510 | 2017-01-11 00:54:57 +0100 | [diff] [blame] | 5417 | /* Issue #29227: Inline call_function() into _PyEval_EvalFrameDefault() |
| 5418 | to reduce the stack consumption. */ |
| 5419 | Py_LOCAL_INLINE(PyObject *) _Py_HOT_FUNCTION |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 5420 | call_function(PyThreadState *tstate, |
| 5421 | PyCodeAddressRange *bounds, |
| 5422 | PyObject ***pp_stack, |
| 5423 | Py_ssize_t oparg, |
| 5424 | PyObject *kwnames) |
Jeremy Hylton | e8c0432 | 2002-08-16 17:47:26 +0000 | [diff] [blame] | 5425 | { |
Victor Stinner | f9b760f | 2016-09-09 10:17:08 -0700 | [diff] [blame] | 5426 | PyObject **pfunc = (*pp_stack) - oparg - 1; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5427 | PyObject *func = *pfunc; |
| 5428 | PyObject *x, *w; |
Victor Stinner | d873572 | 2016-09-09 12:36:44 -0700 | [diff] [blame] | 5429 | Py_ssize_t nkwargs = (kwnames == NULL) ? 0 : PyTuple_GET_SIZE(kwnames); |
| 5430 | Py_ssize_t nargs = oparg - nkwargs; |
INADA Naoki | 5566bbb | 2017-02-03 07:43:03 +0900 | [diff] [blame] | 5431 | PyObject **stack = (*pp_stack) - nargs - nkwargs; |
Jeremy Hylton | e8c0432 | 2002-08-16 17:47:26 +0000 | [diff] [blame] | 5432 | |
Jeroen Demeyer | aacc77f | 2019-05-29 20:31:52 +0200 | [diff] [blame] | 5433 | if (tstate->use_tracing) { |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 5434 | x = trace_call_function(tstate, bounds, func, stack, nargs, kwnames); |
INADA Naoki | 5566bbb | 2017-02-03 07:43:03 +0900 | [diff] [blame] | 5435 | } |
Victor Stinner | 4a7cc88 | 2015-03-06 23:35:27 +0100 | [diff] [blame] | 5436 | else { |
Petr Viktorin | ffd9753 | 2020-02-11 17:46:57 +0100 | [diff] [blame] | 5437 | x = PyObject_Vectorcall(func, stack, nargs | PY_VECTORCALL_ARGUMENTS_OFFSET, kwnames); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5438 | } |
Tim Peters | 8a5c3c7 | 2004-04-05 19:36:21 +0000 | [diff] [blame] | 5439 | |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5440 | assert((x != NULL) ^ (_PyErr_Occurred(tstate) != NULL)); |
Victor Stinner | f9b760f | 2016-09-09 10:17:08 -0700 | [diff] [blame] | 5441 | |
Victor Stinner | c22bfaa | 2017-02-12 19:27:05 +0100 | [diff] [blame] | 5442 | /* Clear the stack of the function object. */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5443 | while ((*pp_stack) > pfunc) { |
| 5444 | w = EXT_POP(*pp_stack); |
| 5445 | Py_DECREF(w); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5446 | } |
Victor Stinner | ace47d7 | 2013-07-18 01:41:08 +0200 | [diff] [blame] | 5447 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5448 | return x; |
Jeremy Hylton | e8c0432 | 2002-08-16 17:47:26 +0000 | [diff] [blame] | 5449 | } |
| 5450 | |
Jeremy Hylton | 5282044 | 2001-01-03 23:52:36 +0000 | [diff] [blame] | 5451 | static PyObject * |
Mark Shannon | 8643345 | 2021-01-07 16:49:02 +0000 | [diff] [blame] | 5452 | do_call_core(PyThreadState *tstate, |
| 5453 | PyCodeAddressRange *bounds, |
| 5454 | PyObject *func, |
| 5455 | PyObject *callargs, |
| 5456 | PyObject *kwdict) |
Jeremy Hylton | 5282044 | 2001-01-03 23:52:36 +0000 | [diff] [blame] | 5457 | { |
jdemeyer | e89de73 | 2018-09-19 12:06:20 +0200 | [diff] [blame] | 5458 | PyObject *result; |
| 5459 | |
scoder | 4c9ea09 | 2020-05-12 16:12:41 +0200 | [diff] [blame] | 5460 | if (PyCFunction_CheckExact(func) || PyCMethod_CheckExact(func)) { |
Jeroen Demeyer | 7a6873c | 2019-09-11 13:01:01 +0200 | [diff] [blame] | 5461 | C_TRACE(result, PyObject_Call(func, callargs, kwdict)); |
Victor Stinner | f9b760f | 2016-09-09 10:17:08 -0700 | [diff] [blame] | 5462 | return result; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5463 | } |
Andy Lester | dffe4c0 | 2020-03-04 07:15:20 -0600 | [diff] [blame] | 5464 | else if (Py_IS_TYPE(func, &PyMethodDescr_Type)) { |
jdemeyer | e89de73 | 2018-09-19 12:06:20 +0200 | [diff] [blame] | 5465 | Py_ssize_t nargs = PyTuple_GET_SIZE(callargs); |
| 5466 | if (nargs > 0 && tstate->use_tracing) { |
| 5467 | /* We need to create a temporary bound method as argument |
| 5468 | for profiling. |
| 5469 | |
| 5470 | If nargs == 0, then this cannot work because we have no |
| 5471 | "self". In any case, the call itself would raise |
| 5472 | TypeError (foo needs an argument), so we just skip |
| 5473 | profiling. */ |
| 5474 | PyObject *self = PyTuple_GET_ITEM(callargs, 0); |
| 5475 | func = Py_TYPE(func)->tp_descr_get(func, self, (PyObject*)Py_TYPE(self)); |
| 5476 | if (func == NULL) { |
| 5477 | return NULL; |
| 5478 | } |
| 5479 | |
Victor Stinner | 4d231bc | 2019-11-14 13:36:21 +0100 | [diff] [blame] | 5480 | C_TRACE(result, _PyObject_FastCallDictTstate( |
| 5481 | tstate, func, |
| 5482 | &_PyTuple_ITEMS(callargs)[1], |
| 5483 | nargs - 1, |
| 5484 | kwdict)); |
jdemeyer | e89de73 | 2018-09-19 12:06:20 +0200 | [diff] [blame] | 5485 | Py_DECREF(func); |
| 5486 | return result; |
| 5487 | } |
Victor Stinner | 74319ae | 2016-08-25 00:04:09 +0200 | [diff] [blame] | 5488 | } |
jdemeyer | e89de73 | 2018-09-19 12:06:20 +0200 | [diff] [blame] | 5489 | return PyObject_Call(func, callargs, kwdict); |
Jeremy Hylton | 5282044 | 2001-01-03 23:52:36 +0000 | [diff] [blame] | 5490 | } |
| 5491 | |
Serhiy Storchaka | 483405b | 2015-02-17 10:14:30 +0200 | [diff] [blame] | 5492 | /* Extract a slice index from a PyLong or an object with the |
Guido van Rossum | 38fff8c | 2006-03-07 18:50:55 +0000 | [diff] [blame] | 5493 | nb_index slot defined, and store in *pi. |
| 5494 | Silently reduce values larger than PY_SSIZE_T_MAX to PY_SSIZE_T_MAX, |
Xiang Zhang | 2ddf5a1 | 2017-05-10 18:19:41 +0800 | [diff] [blame] | 5495 | and silently boost values less than PY_SSIZE_T_MIN to PY_SSIZE_T_MIN. |
Martin v. Löwis | dde99d2 | 2006-02-17 15:57:41 +0000 | [diff] [blame] | 5496 | Return 0 on error, 1 on success. |
Tim Peters | cb479e7 | 2001-12-16 19:11:44 +0000 | [diff] [blame] | 5497 | */ |
Guido van Rossum | 20c6add | 2000-05-08 14:06:50 +0000 | [diff] [blame] | 5498 | int |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 5499 | _PyEval_SliceIndex(PyObject *v, Py_ssize_t *pi) |
Guido van Rossum | 10dc2e8 | 1990-11-18 17:27:39 +0000 | [diff] [blame] | 5500 | { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5501 | PyThreadState *tstate = _PyThreadState_GET(); |
Serhiy Storchaka | d4edfc9 | 2017-03-30 18:29:23 +0300 | [diff] [blame] | 5502 | if (v != Py_None) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5503 | Py_ssize_t x; |
Victor Stinner | a15e260 | 2020-04-08 02:01:56 +0200 | [diff] [blame] | 5504 | if (_PyIndex_Check(v)) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5505 | x = PyNumber_AsSsize_t(v, NULL); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5506 | if (x == -1 && _PyErr_Occurred(tstate)) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5507 | return 0; |
| 5508 | } |
| 5509 | else { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5510 | _PyErr_SetString(tstate, PyExc_TypeError, |
| 5511 | "slice indices must be integers or " |
| 5512 | "None or have an __index__ method"); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5513 | return 0; |
| 5514 | } |
| 5515 | *pi = x; |
| 5516 | } |
| 5517 | return 1; |
Guido van Rossum | 10dc2e8 | 1990-11-18 17:27:39 +0000 | [diff] [blame] | 5518 | } |
| 5519 | |
Serhiy Storchaka | 80ec836 | 2017-03-19 19:37:40 +0200 | [diff] [blame] | 5520 | int |
Serhiy Storchaka | d4edfc9 | 2017-03-30 18:29:23 +0300 | [diff] [blame] | 5521 | _PyEval_SliceIndexNotNone(PyObject *v, Py_ssize_t *pi) |
Serhiy Storchaka | 80ec836 | 2017-03-19 19:37:40 +0200 | [diff] [blame] | 5522 | { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5523 | PyThreadState *tstate = _PyThreadState_GET(); |
Serhiy Storchaka | d4edfc9 | 2017-03-30 18:29:23 +0300 | [diff] [blame] | 5524 | Py_ssize_t x; |
Victor Stinner | a15e260 | 2020-04-08 02:01:56 +0200 | [diff] [blame] | 5525 | if (_PyIndex_Check(v)) { |
Serhiy Storchaka | d4edfc9 | 2017-03-30 18:29:23 +0300 | [diff] [blame] | 5526 | x = PyNumber_AsSsize_t(v, NULL); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5527 | if (x == -1 && _PyErr_Occurred(tstate)) |
Serhiy Storchaka | d4edfc9 | 2017-03-30 18:29:23 +0300 | [diff] [blame] | 5528 | return 0; |
| 5529 | } |
| 5530 | else { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5531 | _PyErr_SetString(tstate, PyExc_TypeError, |
| 5532 | "slice indices must be integers or " |
| 5533 | "have an __index__ method"); |
Serhiy Storchaka | d4edfc9 | 2017-03-30 18:29:23 +0300 | [diff] [blame] | 5534 | return 0; |
| 5535 | } |
| 5536 | *pi = x; |
| 5537 | return 1; |
Serhiy Storchaka | 80ec836 | 2017-03-19 19:37:40 +0200 | [diff] [blame] | 5538 | } |
| 5539 | |
Thomas Wouters | 5215225 | 2000-08-17 22:55:00 +0000 | [diff] [blame] | 5540 | static PyObject * |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5541 | import_name(PyThreadState *tstate, PyFrameObject *f, |
| 5542 | PyObject *name, PyObject *fromlist, PyObject *level) |
Serhiy Storchaka | 133138a | 2016-08-02 22:51:21 +0300 | [diff] [blame] | 5543 | { |
| 5544 | _Py_IDENTIFIER(__import__); |
Victor Stinner | df142fd | 2016-08-20 00:44:42 +0200 | [diff] [blame] | 5545 | PyObject *import_func, *res; |
| 5546 | PyObject* stack[5]; |
Serhiy Storchaka | 133138a | 2016-08-02 22:51:21 +0300 | [diff] [blame] | 5547 | |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 5548 | import_func = _PyDict_GetItemIdWithError(f->f_builtins, &PyId___import__); |
Serhiy Storchaka | 133138a | 2016-08-02 22:51:21 +0300 | [diff] [blame] | 5549 | if (import_func == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5550 | if (!_PyErr_Occurred(tstate)) { |
| 5551 | _PyErr_SetString(tstate, PyExc_ImportError, "__import__ not found"); |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 5552 | } |
Serhiy Storchaka | 133138a | 2016-08-02 22:51:21 +0300 | [diff] [blame] | 5553 | return NULL; |
| 5554 | } |
| 5555 | |
| 5556 | /* Fast path for not overloaded __import__. */ |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5557 | if (import_func == tstate->interp->import_func) { |
Serhiy Storchaka | 133138a | 2016-08-02 22:51:21 +0300 | [diff] [blame] | 5558 | int ilevel = _PyLong_AsInt(level); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5559 | if (ilevel == -1 && _PyErr_Occurred(tstate)) { |
Serhiy Storchaka | 133138a | 2016-08-02 22:51:21 +0300 | [diff] [blame] | 5560 | return NULL; |
| 5561 | } |
| 5562 | res = PyImport_ImportModuleLevelObject( |
| 5563 | name, |
| 5564 | f->f_globals, |
| 5565 | f->f_locals == NULL ? Py_None : f->f_locals, |
| 5566 | fromlist, |
| 5567 | ilevel); |
| 5568 | return res; |
| 5569 | } |
| 5570 | |
| 5571 | Py_INCREF(import_func); |
Victor Stinner | df142fd | 2016-08-20 00:44:42 +0200 | [diff] [blame] | 5572 | |
| 5573 | stack[0] = name; |
| 5574 | stack[1] = f->f_globals; |
| 5575 | stack[2] = f->f_locals == NULL ? Py_None : f->f_locals; |
| 5576 | stack[3] = fromlist; |
| 5577 | stack[4] = level; |
Victor Stinner | 559bb6a | 2016-08-22 22:48:54 +0200 | [diff] [blame] | 5578 | res = _PyObject_FastCall(import_func, stack, 5); |
Serhiy Storchaka | 133138a | 2016-08-02 22:51:21 +0300 | [diff] [blame] | 5579 | Py_DECREF(import_func); |
| 5580 | return res; |
| 5581 | } |
| 5582 | |
| 5583 | static PyObject * |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5584 | import_from(PyThreadState *tstate, PyObject *v, PyObject *name) |
Guido van Rossum | e9736fc | 1990-11-18 17:33:06 +0000 | [diff] [blame] | 5585 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5586 | PyObject *x; |
Xiang Zhang | 4830f58 | 2017-03-21 11:13:42 +0800 | [diff] [blame] | 5587 | PyObject *fullmodname, *pkgname, *pkgpath, *pkgname_or_unknown, *errmsg; |
Guido van Rossum | 18d4d8f | 2001-01-12 16:24:03 +0000 | [diff] [blame] | 5588 | |
Serhiy Storchaka | f320be7 | 2018-01-25 10:49:40 +0200 | [diff] [blame] | 5589 | if (_PyObject_LookupAttr(v, name, &x) != 0) { |
Antoine Pitrou | 0373a10 | 2014-10-13 20:19:45 +0200 | [diff] [blame] | 5590 | return x; |
Serhiy Storchaka | f320be7 | 2018-01-25 10:49:40 +0200 | [diff] [blame] | 5591 | } |
Antoine Pitrou | 0373a10 | 2014-10-13 20:19:45 +0200 | [diff] [blame] | 5592 | /* Issue #17636: in case this failed because of a circular relative |
| 5593 | import, try to fallback on reading the module directly from |
| 5594 | sys.modules. */ |
Antoine Pitrou | 0373a10 | 2014-10-13 20:19:45 +0200 | [diff] [blame] | 5595 | pkgname = _PyObject_GetAttrId(v, &PyId___name__); |
Brett Cannon | 3008bc0 | 2015-08-11 18:01:31 -0700 | [diff] [blame] | 5596 | if (pkgname == NULL) { |
| 5597 | goto error; |
| 5598 | } |
Oren Milman | 6db7033 | 2017-09-19 14:23:01 +0300 | [diff] [blame] | 5599 | if (!PyUnicode_Check(pkgname)) { |
| 5600 | Py_CLEAR(pkgname); |
| 5601 | goto error; |
| 5602 | } |
Antoine Pitrou | 0373a10 | 2014-10-13 20:19:45 +0200 | [diff] [blame] | 5603 | fullmodname = PyUnicode_FromFormat("%U.%U", pkgname, name); |
Brett Cannon | 3008bc0 | 2015-08-11 18:01:31 -0700 | [diff] [blame] | 5604 | if (fullmodname == NULL) { |
Xiang Zhang | 4830f58 | 2017-03-21 11:13:42 +0800 | [diff] [blame] | 5605 | Py_DECREF(pkgname); |
Antoine Pitrou | 0373a10 | 2014-10-13 20:19:45 +0200 | [diff] [blame] | 5606 | return NULL; |
Brett Cannon | 3008bc0 | 2015-08-11 18:01:31 -0700 | [diff] [blame] | 5607 | } |
Eric Snow | 3f9eee6 | 2017-09-15 16:35:20 -0600 | [diff] [blame] | 5608 | x = PyImport_GetModule(fullmodname); |
Antoine Pitrou | 0373a10 | 2014-10-13 20:19:45 +0200 | [diff] [blame] | 5609 | Py_DECREF(fullmodname); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5610 | if (x == NULL && !_PyErr_Occurred(tstate)) { |
Brett Cannon | 3008bc0 | 2015-08-11 18:01:31 -0700 | [diff] [blame] | 5611 | goto error; |
| 5612 | } |
Matthias Bussonnier | 1bc1564 | 2017-02-22 07:06:50 -0800 | [diff] [blame] | 5613 | Py_DECREF(pkgname); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5614 | return x; |
Brett Cannon | 3008bc0 | 2015-08-11 18:01:31 -0700 | [diff] [blame] | 5615 | error: |
Matthias Bussonnier | bc4bed4 | 2017-02-14 16:05:25 -0800 | [diff] [blame] | 5616 | pkgpath = PyModule_GetFilenameObject(v); |
Matthias Bussonnier | 1bc1564 | 2017-02-22 07:06:50 -0800 | [diff] [blame] | 5617 | if (pkgname == NULL) { |
| 5618 | pkgname_or_unknown = PyUnicode_FromString("<unknown module name>"); |
| 5619 | if (pkgname_or_unknown == NULL) { |
| 5620 | Py_XDECREF(pkgpath); |
| 5621 | return NULL; |
| 5622 | } |
| 5623 | } else { |
| 5624 | pkgname_or_unknown = pkgname; |
| 5625 | } |
Matthias Bussonnier | bc4bed4 | 2017-02-14 16:05:25 -0800 | [diff] [blame] | 5626 | |
| 5627 | if (pkgpath == NULL || !PyUnicode_Check(pkgpath)) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5628 | _PyErr_Clear(tstate); |
Xiang Zhang | 4830f58 | 2017-03-21 11:13:42 +0800 | [diff] [blame] | 5629 | errmsg = PyUnicode_FromFormat( |
| 5630 | "cannot import name %R from %R (unknown location)", |
| 5631 | name, pkgname_or_unknown |
| 5632 | ); |
Stefan Krah | 027b09c | 2019-03-25 21:50:58 +0100 | [diff] [blame] | 5633 | /* NULL checks for errmsg and pkgname done by PyErr_SetImportError. */ |
Xiang Zhang | 4830f58 | 2017-03-21 11:13:42 +0800 | [diff] [blame] | 5634 | PyErr_SetImportError(errmsg, pkgname, NULL); |
| 5635 | } |
| 5636 | else { |
Anthony Sottile | 65366bc | 2019-09-09 08:17:50 -0700 | [diff] [blame] | 5637 | _Py_IDENTIFIER(__spec__); |
| 5638 | PyObject *spec = _PyObject_GetAttrId(v, &PyId___spec__); |
Anthony Sottile | 65366bc | 2019-09-09 08:17:50 -0700 | [diff] [blame] | 5639 | const char *fmt = |
| 5640 | _PyModuleSpec_IsInitializing(spec) ? |
| 5641 | "cannot import name %R from partially initialized module %R " |
| 5642 | "(most likely due to a circular import) (%S)" : |
| 5643 | "cannot import name %R from %R (%S)"; |
| 5644 | Py_XDECREF(spec); |
| 5645 | |
| 5646 | errmsg = PyUnicode_FromFormat(fmt, name, pkgname_or_unknown, pkgpath); |
Stefan Krah | 027b09c | 2019-03-25 21:50:58 +0100 | [diff] [blame] | 5647 | /* NULL checks for errmsg and pkgname done by PyErr_SetImportError. */ |
Xiang Zhang | 4830f58 | 2017-03-21 11:13:42 +0800 | [diff] [blame] | 5648 | PyErr_SetImportError(errmsg, pkgname, pkgpath); |
Matthias Bussonnier | bc4bed4 | 2017-02-14 16:05:25 -0800 | [diff] [blame] | 5649 | } |
| 5650 | |
Xiang Zhang | 4830f58 | 2017-03-21 11:13:42 +0800 | [diff] [blame] | 5651 | Py_XDECREF(errmsg); |
Matthias Bussonnier | 1bc1564 | 2017-02-22 07:06:50 -0800 | [diff] [blame] | 5652 | Py_XDECREF(pkgname_or_unknown); |
| 5653 | Py_XDECREF(pkgpath); |
Brett Cannon | 3008bc0 | 2015-08-11 18:01:31 -0700 | [diff] [blame] | 5654 | return NULL; |
Thomas Wouters | 5215225 | 2000-08-17 22:55:00 +0000 | [diff] [blame] | 5655 | } |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 5656 | |
Thomas Wouters | 5215225 | 2000-08-17 22:55:00 +0000 | [diff] [blame] | 5657 | static int |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5658 | import_all_from(PyThreadState *tstate, PyObject *locals, PyObject *v) |
Thomas Wouters | 5215225 | 2000-08-17 22:55:00 +0000 | [diff] [blame] | 5659 | { |
Martin v. Löwis | 1c67dd9 | 2011-10-14 15:16:45 +0200 | [diff] [blame] | 5660 | _Py_IDENTIFIER(__all__); |
| 5661 | _Py_IDENTIFIER(__dict__); |
Serhiy Storchaka | f320be7 | 2018-01-25 10:49:40 +0200 | [diff] [blame] | 5662 | PyObject *all, *dict, *name, *value; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5663 | int skip_leading_underscores = 0; |
| 5664 | int pos, err; |
Thomas Wouters | 5215225 | 2000-08-17 22:55:00 +0000 | [diff] [blame] | 5665 | |
Serhiy Storchaka | f320be7 | 2018-01-25 10:49:40 +0200 | [diff] [blame] | 5666 | if (_PyObject_LookupAttrId(v, &PyId___all__, &all) < 0) { |
| 5667 | return -1; /* Unexpected error */ |
| 5668 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5669 | if (all == NULL) { |
Serhiy Storchaka | f320be7 | 2018-01-25 10:49:40 +0200 | [diff] [blame] | 5670 | if (_PyObject_LookupAttrId(v, &PyId___dict__, &dict) < 0) { |
| 5671 | return -1; |
| 5672 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5673 | if (dict == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5674 | _PyErr_SetString(tstate, PyExc_ImportError, |
Serhiy Storchaka | f320be7 | 2018-01-25 10:49:40 +0200 | [diff] [blame] | 5675 | "from-import-* object has no __dict__ and no __all__"); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5676 | return -1; |
| 5677 | } |
| 5678 | all = PyMapping_Keys(dict); |
| 5679 | Py_DECREF(dict); |
| 5680 | if (all == NULL) |
| 5681 | return -1; |
| 5682 | skip_leading_underscores = 1; |
| 5683 | } |
Guido van Rossum | 18d4d8f | 2001-01-12 16:24:03 +0000 | [diff] [blame] | 5684 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5685 | for (pos = 0, err = 0; ; pos++) { |
| 5686 | name = PySequence_GetItem(all, pos); |
| 5687 | if (name == NULL) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5688 | if (!_PyErr_ExceptionMatches(tstate, PyExc_IndexError)) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5689 | err = -1; |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5690 | } |
| 5691 | else { |
| 5692 | _PyErr_Clear(tstate); |
| 5693 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5694 | break; |
| 5695 | } |
Xiang Zhang | d8b291a | 2018-03-24 18:39:36 +0800 | [diff] [blame] | 5696 | if (!PyUnicode_Check(name)) { |
| 5697 | PyObject *modname = _PyObject_GetAttrId(v, &PyId___name__); |
| 5698 | if (modname == NULL) { |
| 5699 | Py_DECREF(name); |
| 5700 | err = -1; |
| 5701 | break; |
| 5702 | } |
| 5703 | if (!PyUnicode_Check(modname)) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5704 | _PyErr_Format(tstate, PyExc_TypeError, |
| 5705 | "module __name__ must be a string, not %.100s", |
| 5706 | Py_TYPE(modname)->tp_name); |
Xiang Zhang | d8b291a | 2018-03-24 18:39:36 +0800 | [diff] [blame] | 5707 | } |
| 5708 | else { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5709 | _PyErr_Format(tstate, PyExc_TypeError, |
| 5710 | "%s in %U.%s must be str, not %.100s", |
| 5711 | skip_leading_underscores ? "Key" : "Item", |
| 5712 | modname, |
| 5713 | skip_leading_underscores ? "__dict__" : "__all__", |
| 5714 | Py_TYPE(name)->tp_name); |
Xiang Zhang | d8b291a | 2018-03-24 18:39:36 +0800 | [diff] [blame] | 5715 | } |
| 5716 | Py_DECREF(modname); |
| 5717 | Py_DECREF(name); |
| 5718 | err = -1; |
| 5719 | break; |
| 5720 | } |
| 5721 | if (skip_leading_underscores) { |
Serhiy Storchaka | e3b2b4b | 2017-09-08 09:58:51 +0300 | [diff] [blame] | 5722 | if (PyUnicode_READY(name) == -1) { |
| 5723 | Py_DECREF(name); |
| 5724 | err = -1; |
| 5725 | break; |
| 5726 | } |
| 5727 | if (PyUnicode_READ_CHAR(name, 0) == '_') { |
| 5728 | Py_DECREF(name); |
| 5729 | continue; |
| 5730 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5731 | } |
| 5732 | value = PyObject_GetAttr(v, name); |
| 5733 | if (value == NULL) |
| 5734 | err = -1; |
| 5735 | else if (PyDict_CheckExact(locals)) |
| 5736 | err = PyDict_SetItem(locals, name, value); |
| 5737 | else |
| 5738 | err = PyObject_SetItem(locals, name, value); |
| 5739 | Py_DECREF(name); |
| 5740 | Py_XDECREF(value); |
| 5741 | if (err != 0) |
| 5742 | break; |
| 5743 | } |
| 5744 | Py_DECREF(all); |
| 5745 | return err; |
Guido van Rossum | e9736fc | 1990-11-18 17:33:06 +0000 | [diff] [blame] | 5746 | } |
| 5747 | |
Serhiy Storchaka | 25e4f77 | 2017-08-03 11:37:15 +0300 | [diff] [blame] | 5748 | static int |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5749 | check_args_iterable(PyThreadState *tstate, PyObject *func, PyObject *args) |
Serhiy Storchaka | 25e4f77 | 2017-08-03 11:37:15 +0300 | [diff] [blame] | 5750 | { |
Victor Stinner | a102ed7 | 2020-02-07 02:24:48 +0100 | [diff] [blame] | 5751 | if (Py_TYPE(args)->tp_iter == NULL && !PySequence_Check(args)) { |
Jeroen Demeyer | bf17d41 | 2019-11-05 16:48:04 +0100 | [diff] [blame] | 5752 | /* check_args_iterable() may be called with a live exception: |
| 5753 | * clear it to prevent calling _PyObject_FunctionStr() with an |
| 5754 | * exception set. */ |
Victor Stinner | 61f4db8 | 2020-01-28 03:37:45 +0100 | [diff] [blame] | 5755 | _PyErr_Clear(tstate); |
Jeroen Demeyer | bf17d41 | 2019-11-05 16:48:04 +0100 | [diff] [blame] | 5756 | PyObject *funcstr = _PyObject_FunctionStr(func); |
| 5757 | if (funcstr != NULL) { |
| 5758 | _PyErr_Format(tstate, PyExc_TypeError, |
| 5759 | "%U argument after * must be an iterable, not %.200s", |
| 5760 | funcstr, Py_TYPE(args)->tp_name); |
| 5761 | Py_DECREF(funcstr); |
| 5762 | } |
Serhiy Storchaka | 25e4f77 | 2017-08-03 11:37:15 +0300 | [diff] [blame] | 5763 | return -1; |
| 5764 | } |
| 5765 | return 0; |
| 5766 | } |
| 5767 | |
| 5768 | static void |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5769 | format_kwargs_error(PyThreadState *tstate, PyObject *func, PyObject *kwargs) |
Serhiy Storchaka | 25e4f77 | 2017-08-03 11:37:15 +0300 | [diff] [blame] | 5770 | { |
Serhiy Storchaka | f1ec3ce | 2019-01-12 10:12:24 +0200 | [diff] [blame] | 5771 | /* _PyDict_MergeEx raises attribute |
| 5772 | * error (percolated from an attempt |
| 5773 | * to get 'keys' attribute) instead of |
| 5774 | * a type error if its second argument |
| 5775 | * is not a mapping. |
| 5776 | */ |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5777 | if (_PyErr_ExceptionMatches(tstate, PyExc_AttributeError)) { |
Victor Stinner | 61f4db8 | 2020-01-28 03:37:45 +0100 | [diff] [blame] | 5778 | _PyErr_Clear(tstate); |
Jeroen Demeyer | bf17d41 | 2019-11-05 16:48:04 +0100 | [diff] [blame] | 5779 | PyObject *funcstr = _PyObject_FunctionStr(func); |
| 5780 | if (funcstr != NULL) { |
| 5781 | _PyErr_Format( |
| 5782 | tstate, PyExc_TypeError, |
| 5783 | "%U argument after ** must be a mapping, not %.200s", |
| 5784 | funcstr, Py_TYPE(kwargs)->tp_name); |
| 5785 | Py_DECREF(funcstr); |
| 5786 | } |
Serhiy Storchaka | f1ec3ce | 2019-01-12 10:12:24 +0200 | [diff] [blame] | 5787 | } |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5788 | else if (_PyErr_ExceptionMatches(tstate, PyExc_KeyError)) { |
Serhiy Storchaka | f1ec3ce | 2019-01-12 10:12:24 +0200 | [diff] [blame] | 5789 | PyObject *exc, *val, *tb; |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5790 | _PyErr_Fetch(tstate, &exc, &val, &tb); |
Serhiy Storchaka | f1ec3ce | 2019-01-12 10:12:24 +0200 | [diff] [blame] | 5791 | if (val && PyTuple_Check(val) && PyTuple_GET_SIZE(val) == 1) { |
Victor Stinner | 61f4db8 | 2020-01-28 03:37:45 +0100 | [diff] [blame] | 5792 | _PyErr_Clear(tstate); |
Jeroen Demeyer | bf17d41 | 2019-11-05 16:48:04 +0100 | [diff] [blame] | 5793 | PyObject *funcstr = _PyObject_FunctionStr(func); |
| 5794 | if (funcstr != NULL) { |
| 5795 | PyObject *key = PyTuple_GET_ITEM(val, 0); |
| 5796 | _PyErr_Format( |
| 5797 | tstate, PyExc_TypeError, |
| 5798 | "%U got multiple values for keyword argument '%S'", |
| 5799 | funcstr, key); |
| 5800 | Py_DECREF(funcstr); |
| 5801 | } |
Serhiy Storchaka | f1ec3ce | 2019-01-12 10:12:24 +0200 | [diff] [blame] | 5802 | Py_XDECREF(exc); |
| 5803 | Py_XDECREF(val); |
| 5804 | Py_XDECREF(tb); |
| 5805 | } |
| 5806 | else { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5807 | _PyErr_Restore(tstate, exc, val, tb); |
Serhiy Storchaka | f1ec3ce | 2019-01-12 10:12:24 +0200 | [diff] [blame] | 5808 | } |
| 5809 | } |
Serhiy Storchaka | 25e4f77 | 2017-08-03 11:37:15 +0300 | [diff] [blame] | 5810 | } |
| 5811 | |
Guido van Rossum | ac7be68 | 2001-01-17 15:42:30 +0000 | [diff] [blame] | 5812 | static void |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5813 | format_exc_check_arg(PyThreadState *tstate, PyObject *exc, |
| 5814 | const char *format_str, PyObject *obj) |
Paul Prescod | e68140d | 2000-08-30 20:25:01 +0000 | [diff] [blame] | 5815 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5816 | const char *obj_str; |
Paul Prescod | e68140d | 2000-08-30 20:25:01 +0000 | [diff] [blame] | 5817 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5818 | if (!obj) |
| 5819 | return; |
Paul Prescod | e68140d | 2000-08-30 20:25:01 +0000 | [diff] [blame] | 5820 | |
Serhiy Storchaka | 0651583 | 2016-11-20 09:13:07 +0200 | [diff] [blame] | 5821 | obj_str = PyUnicode_AsUTF8(obj); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5822 | if (!obj_str) |
| 5823 | return; |
Paul Prescod | e68140d | 2000-08-30 20:25:01 +0000 | [diff] [blame] | 5824 | |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5825 | _PyErr_Format(tstate, exc, format_str, obj_str); |
Paul Prescod | e68140d | 2000-08-30 20:25:01 +0000 | [diff] [blame] | 5826 | } |
Guido van Rossum | 950361c | 1997-01-24 13:49:28 +0000 | [diff] [blame] | 5827 | |
Amaury Forgeot d'Arc | ba117ef | 2010-09-10 21:39:53 +0000 | [diff] [blame] | 5828 | static void |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5829 | format_exc_unbound(PyThreadState *tstate, PyCodeObject *co, int oparg) |
Amaury Forgeot d'Arc | ba117ef | 2010-09-10 21:39:53 +0000 | [diff] [blame] | 5830 | { |
| 5831 | PyObject *name; |
| 5832 | /* Don't stomp existing exception */ |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5833 | if (_PyErr_Occurred(tstate)) |
Amaury Forgeot d'Arc | ba117ef | 2010-09-10 21:39:53 +0000 | [diff] [blame] | 5834 | return; |
| 5835 | if (oparg < PyTuple_GET_SIZE(co->co_cellvars)) { |
| 5836 | name = PyTuple_GET_ITEM(co->co_cellvars, |
| 5837 | oparg); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5838 | format_exc_check_arg(tstate, |
Amaury Forgeot d'Arc | ba117ef | 2010-09-10 21:39:53 +0000 | [diff] [blame] | 5839 | PyExc_UnboundLocalError, |
| 5840 | UNBOUNDLOCAL_ERROR_MSG, |
| 5841 | name); |
| 5842 | } else { |
| 5843 | name = PyTuple_GET_ITEM(co->co_freevars, oparg - |
| 5844 | PyTuple_GET_SIZE(co->co_cellvars)); |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5845 | format_exc_check_arg(tstate, PyExc_NameError, |
Amaury Forgeot d'Arc | ba117ef | 2010-09-10 21:39:53 +0000 | [diff] [blame] | 5846 | UNBOUNDFREE_ERROR_MSG, name); |
| 5847 | } |
| 5848 | } |
| 5849 | |
Serhiy Storchaka | a68f2f0 | 2018-04-03 01:41:38 +0300 | [diff] [blame] | 5850 | static void |
Mark Shannon | fee5526 | 2019-11-21 09:11:43 +0000 | [diff] [blame] | 5851 | format_awaitable_error(PyThreadState *tstate, PyTypeObject *type, int prevprevopcode, int prevopcode) |
Serhiy Storchaka | a68f2f0 | 2018-04-03 01:41:38 +0300 | [diff] [blame] | 5852 | { |
| 5853 | if (type->tp_as_async == NULL || type->tp_as_async->am_await == NULL) { |
| 5854 | if (prevopcode == BEFORE_ASYNC_WITH) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5855 | _PyErr_Format(tstate, PyExc_TypeError, |
| 5856 | "'async with' received an object from __aenter__ " |
| 5857 | "that does not implement __await__: %.100s", |
| 5858 | type->tp_name); |
Serhiy Storchaka | a68f2f0 | 2018-04-03 01:41:38 +0300 | [diff] [blame] | 5859 | } |
Mark Shannon | fee5526 | 2019-11-21 09:11:43 +0000 | [diff] [blame] | 5860 | else if (prevopcode == WITH_EXCEPT_START || (prevopcode == CALL_FUNCTION && prevprevopcode == DUP_TOP)) { |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5861 | _PyErr_Format(tstate, PyExc_TypeError, |
| 5862 | "'async with' received an object from __aexit__ " |
| 5863 | "that does not implement __await__: %.100s", |
| 5864 | type->tp_name); |
Serhiy Storchaka | a68f2f0 | 2018-04-03 01:41:38 +0300 | [diff] [blame] | 5865 | } |
| 5866 | } |
| 5867 | } |
| 5868 | |
Victor Stinner | d2a915d | 2011-10-02 20:34:20 +0200 | [diff] [blame] | 5869 | static PyObject * |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5870 | unicode_concatenate(PyThreadState *tstate, PyObject *v, PyObject *w, |
Serhiy Storchaka | ab87400 | 2016-09-11 13:48:15 +0300 | [diff] [blame] | 5871 | PyFrameObject *f, const _Py_CODEUNIT *next_instr) |
Victor Stinner | d2a915d | 2011-10-02 20:34:20 +0200 | [diff] [blame] | 5872 | { |
| 5873 | PyObject *res; |
| 5874 | if (Py_REFCNT(v) == 2) { |
| 5875 | /* In the common case, there are 2 references to the value |
| 5876 | * stored in 'variable' when the += is performed: one on the |
| 5877 | * value stack (in 'v') and one still stored in the |
| 5878 | * 'variable'. We try to delete the variable now to reduce |
| 5879 | * the refcnt to 1. |
| 5880 | */ |
Serhiy Storchaka | f60bf5f | 2016-05-25 20:02:01 +0300 | [diff] [blame] | 5881 | int opcode, oparg; |
| 5882 | NEXTOPARG(); |
| 5883 | switch (opcode) { |
Victor Stinner | d2a915d | 2011-10-02 20:34:20 +0200 | [diff] [blame] | 5884 | case STORE_FAST: |
| 5885 | { |
Victor Stinner | d2a915d | 2011-10-02 20:34:20 +0200 | [diff] [blame] | 5886 | PyObject **fastlocals = f->f_localsplus; |
| 5887 | if (GETLOCAL(oparg) == v) |
| 5888 | SETLOCAL(oparg, NULL); |
| 5889 | break; |
| 5890 | } |
| 5891 | case STORE_DEREF: |
| 5892 | { |
| 5893 | PyObject **freevars = (f->f_localsplus + |
| 5894 | f->f_code->co_nlocals); |
Serhiy Storchaka | f60bf5f | 2016-05-25 20:02:01 +0300 | [diff] [blame] | 5895 | PyObject *c = freevars[oparg]; |
Raymond Hettinger | c32f9db | 2016-11-12 04:10:35 -0500 | [diff] [blame] | 5896 | if (PyCell_GET(c) == v) { |
| 5897 | PyCell_SET(c, NULL); |
| 5898 | Py_DECREF(v); |
| 5899 | } |
Victor Stinner | d2a915d | 2011-10-02 20:34:20 +0200 | [diff] [blame] | 5900 | break; |
| 5901 | } |
| 5902 | case STORE_NAME: |
| 5903 | { |
| 5904 | PyObject *names = f->f_code->co_names; |
Serhiy Storchaka | f60bf5f | 2016-05-25 20:02:01 +0300 | [diff] [blame] | 5905 | PyObject *name = GETITEM(names, oparg); |
Victor Stinner | d2a915d | 2011-10-02 20:34:20 +0200 | [diff] [blame] | 5906 | PyObject *locals = f->f_locals; |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 5907 | if (locals && PyDict_CheckExact(locals)) { |
| 5908 | PyObject *w = PyDict_GetItemWithError(locals, name); |
| 5909 | if ((w == v && PyDict_DelItem(locals, name) != 0) || |
Victor Stinner | 438a12d | 2019-05-24 17:01:38 +0200 | [diff] [blame] | 5910 | (w == NULL && _PyErr_Occurred(tstate))) |
Serhiy Storchaka | a24107b | 2019-02-25 17:59:46 +0200 | [diff] [blame] | 5911 | { |
| 5912 | Py_DECREF(v); |
| 5913 | return NULL; |
Victor Stinner | d2a915d | 2011-10-02 20:34:20 +0200 | [diff] [blame] | 5914 | } |
| 5915 | } |
| 5916 | break; |
| 5917 | } |
| 5918 | } |
| 5919 | } |
| 5920 | res = v; |
| 5921 | PyUnicode_Append(&res, w); |
| 5922 | return res; |
| 5923 | } |
| 5924 | |
Guido van Rossum | 950361c | 1997-01-24 13:49:28 +0000 | [diff] [blame] | 5925 | #ifdef DYNAMIC_EXECUTION_PROFILE |
| 5926 | |
Skip Montanaro | f118cb1 | 2001-10-15 20:51:38 +0000 | [diff] [blame] | 5927 | static PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 5928 | getarray(long a[256]) |
Guido van Rossum | 950361c | 1997-01-24 13:49:28 +0000 | [diff] [blame] | 5929 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5930 | int i; |
| 5931 | PyObject *l = PyList_New(256); |
| 5932 | if (l == NULL) return NULL; |
| 5933 | for (i = 0; i < 256; i++) { |
| 5934 | PyObject *x = PyLong_FromLong(a[i]); |
| 5935 | if (x == NULL) { |
| 5936 | Py_DECREF(l); |
| 5937 | return NULL; |
| 5938 | } |
Zackery Spytz | 99d56b5 | 2018-12-08 07:16:55 -0700 | [diff] [blame] | 5939 | PyList_SET_ITEM(l, i, x); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5940 | } |
| 5941 | for (i = 0; i < 256; i++) |
| 5942 | a[i] = 0; |
| 5943 | return l; |
Guido van Rossum | 950361c | 1997-01-24 13:49:28 +0000 | [diff] [blame] | 5944 | } |
| 5945 | |
| 5946 | PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 5947 | _Py_GetDXProfile(PyObject *self, PyObject *args) |
Guido van Rossum | 950361c | 1997-01-24 13:49:28 +0000 | [diff] [blame] | 5948 | { |
| 5949 | #ifndef DXPAIRS |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5950 | return getarray(dxp); |
Guido van Rossum | 950361c | 1997-01-24 13:49:28 +0000 | [diff] [blame] | 5951 | #else |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5952 | int i; |
| 5953 | PyObject *l = PyList_New(257); |
| 5954 | if (l == NULL) return NULL; |
| 5955 | for (i = 0; i < 257; i++) { |
| 5956 | PyObject *x = getarray(dxpairs[i]); |
| 5957 | if (x == NULL) { |
| 5958 | Py_DECREF(l); |
| 5959 | return NULL; |
| 5960 | } |
Zackery Spytz | 99d56b5 | 2018-12-08 07:16:55 -0700 | [diff] [blame] | 5961 | PyList_SET_ITEM(l, i, x); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 5962 | } |
| 5963 | return l; |
Guido van Rossum | 950361c | 1997-01-24 13:49:28 +0000 | [diff] [blame] | 5964 | #endif |
| 5965 | } |
| 5966 | |
| 5967 | #endif |
Brett Cannon | 5c4de28 | 2016-09-07 11:16:41 -0700 | [diff] [blame] | 5968 | |
| 5969 | Py_ssize_t |
| 5970 | _PyEval_RequestCodeExtraIndex(freefunc free) |
| 5971 | { |
Victor Stinner | 81a7be3 | 2020-04-14 15:14:01 +0200 | [diff] [blame] | 5972 | PyInterpreterState *interp = _PyInterpreterState_GET(); |
Brett Cannon | 5c4de28 | 2016-09-07 11:16:41 -0700 | [diff] [blame] | 5973 | Py_ssize_t new_index; |
| 5974 | |
Dino Viehland | f3cffd2 | 2017-06-21 14:44:36 -0700 | [diff] [blame] | 5975 | if (interp->co_extra_user_count == MAX_CO_EXTRA_USERS - 1) { |
Brett Cannon | 5c4de28 | 2016-09-07 11:16:41 -0700 | [diff] [blame] | 5976 | return -1; |
| 5977 | } |
Dino Viehland | f3cffd2 | 2017-06-21 14:44:36 -0700 | [diff] [blame] | 5978 | new_index = interp->co_extra_user_count++; |
| 5979 | interp->co_extra_freefuncs[new_index] = free; |
Brett Cannon | 5c4de28 | 2016-09-07 11:16:41 -0700 | [diff] [blame] | 5980 | return new_index; |
| 5981 | } |
Łukasz Langa | a785c87 | 2016-09-09 17:37:37 -0700 | [diff] [blame] | 5982 | |
| 5983 | static void |
| 5984 | dtrace_function_entry(PyFrameObject *f) |
| 5985 | { |
Serhiy Storchaka | 85b0f5b | 2016-11-20 10:16:47 +0200 | [diff] [blame] | 5986 | const char *filename; |
| 5987 | const char *funcname; |
Łukasz Langa | a785c87 | 2016-09-09 17:37:37 -0700 | [diff] [blame] | 5988 | int lineno; |
| 5989 | |
Victor Stinner | 6d86a23 | 2020-04-29 00:56:58 +0200 | [diff] [blame] | 5990 | PyCodeObject *code = f->f_code; |
| 5991 | filename = PyUnicode_AsUTF8(code->co_filename); |
| 5992 | funcname = PyUnicode_AsUTF8(code->co_name); |
| 5993 | lineno = PyCode_Addr2Line(code, f->f_lasti); |
Łukasz Langa | a785c87 | 2016-09-09 17:37:37 -0700 | [diff] [blame] | 5994 | |
Andy Lester | e6be9b5 | 2020-02-11 20:28:35 -0600 | [diff] [blame] | 5995 | PyDTrace_FUNCTION_ENTRY(filename, funcname, lineno); |
Łukasz Langa | a785c87 | 2016-09-09 17:37:37 -0700 | [diff] [blame] | 5996 | } |
| 5997 | |
| 5998 | static void |
| 5999 | dtrace_function_return(PyFrameObject *f) |
| 6000 | { |
Serhiy Storchaka | 85b0f5b | 2016-11-20 10:16:47 +0200 | [diff] [blame] | 6001 | const char *filename; |
| 6002 | const char *funcname; |
Łukasz Langa | a785c87 | 2016-09-09 17:37:37 -0700 | [diff] [blame] | 6003 | int lineno; |
| 6004 | |
Victor Stinner | 6d86a23 | 2020-04-29 00:56:58 +0200 | [diff] [blame] | 6005 | PyCodeObject *code = f->f_code; |
| 6006 | filename = PyUnicode_AsUTF8(code->co_filename); |
| 6007 | funcname = PyUnicode_AsUTF8(code->co_name); |
| 6008 | lineno = PyCode_Addr2Line(code, f->f_lasti); |
Łukasz Langa | a785c87 | 2016-09-09 17:37:37 -0700 | [diff] [blame] | 6009 | |
Andy Lester | e6be9b5 | 2020-02-11 20:28:35 -0600 | [diff] [blame] | 6010 | PyDTrace_FUNCTION_RETURN(filename, funcname, lineno); |
Łukasz Langa | a785c87 | 2016-09-09 17:37:37 -0700 | [diff] [blame] | 6011 | } |
| 6012 | |
| 6013 | /* DTrace equivalent of maybe_call_line_trace. */ |
| 6014 | static void |
| 6015 | maybe_dtrace_line(PyFrameObject *frame, |
Mark Shannon | 877df85 | 2020-11-12 09:43:29 +0000 | [diff] [blame] | 6016 | PyCodeAddressRange *bounds, int *instr_prev) |
Łukasz Langa | a785c87 | 2016-09-09 17:37:37 -0700 | [diff] [blame] | 6017 | { |
Serhiy Storchaka | 85b0f5b | 2016-11-20 10:16:47 +0200 | [diff] [blame] | 6018 | const char *co_filename, *co_name; |
Łukasz Langa | a785c87 | 2016-09-09 17:37:37 -0700 | [diff] [blame] | 6019 | |
| 6020 | /* If the last instruction executed isn't in the current |
| 6021 | instruction window, reset the window. |
| 6022 | */ |
Mark Shannon | 877df85 | 2020-11-12 09:43:29 +0000 | [diff] [blame] | 6023 | int line = _PyCode_CheckLineNumber(frame->f_lasti, bounds); |
Łukasz Langa | a785c87 | 2016-09-09 17:37:37 -0700 | [diff] [blame] | 6024 | /* If the last instruction falls at the start of a line or if |
| 6025 | it represents a jump backwards, update the frame's line |
| 6026 | number and call the trace function. */ |
Mark Shannon | 877df85 | 2020-11-12 09:43:29 +0000 | [diff] [blame] | 6027 | if (line != frame->f_lineno || frame->f_lasti < *instr_prev) { |
| 6028 | if (line != -1) { |
| 6029 | frame->f_lineno = line; |
| 6030 | co_filename = PyUnicode_AsUTF8(frame->f_code->co_filename); |
| 6031 | if (!co_filename) |
| 6032 | co_filename = "?"; |
| 6033 | co_name = PyUnicode_AsUTF8(frame->f_code->co_name); |
| 6034 | if (!co_name) |
| 6035 | co_name = "?"; |
| 6036 | PyDTrace_LINE(co_filename, co_name, line); |
| 6037 | } |
Łukasz Langa | a785c87 | 2016-09-09 17:37:37 -0700 | [diff] [blame] | 6038 | } |
| 6039 | *instr_prev = frame->f_lasti; |
| 6040 | } |
Victor Stinner | f4b1e3d | 2019-11-04 19:48:34 +0100 | [diff] [blame] | 6041 | |
| 6042 | |
| 6043 | /* Implement Py_EnterRecursiveCall() and Py_LeaveRecursiveCall() as functions |
| 6044 | for the limited API. */ |
| 6045 | |
| 6046 | #undef Py_EnterRecursiveCall |
| 6047 | |
| 6048 | int Py_EnterRecursiveCall(const char *where) |
| 6049 | { |
Victor Stinner | be434dc | 2019-11-05 00:51:22 +0100 | [diff] [blame] | 6050 | return _Py_EnterRecursiveCall_inline(where); |
Victor Stinner | f4b1e3d | 2019-11-04 19:48:34 +0100 | [diff] [blame] | 6051 | } |
| 6052 | |
| 6053 | #undef Py_LeaveRecursiveCall |
| 6054 | |
| 6055 | void Py_LeaveRecursiveCall(void) |
| 6056 | { |
Victor Stinner | be434dc | 2019-11-05 00:51:22 +0100 | [diff] [blame] | 6057 | _Py_LeaveRecursiveCall_inline(); |
Victor Stinner | f4b1e3d | 2019-11-04 19:48:34 +0100 | [diff] [blame] | 6058 | } |