Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1 | |
| 2 | /* Python interpreter top-level routines, including init/exit */ |
| 3 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 4 | #include "Python.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 5 | |
| 6 | #include "grammar.h" |
| 7 | #include "node.h" |
Fred Drake | 85f3639 | 2000-07-11 17:53:00 +0000 | [diff] [blame] | 8 | #include "token.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 9 | #include "parsetok.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 10 | #include "errcode.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 11 | #include "compile.h" |
Jeremy Hylton | 4b38da6 | 2001-02-02 18:19:15 +0000 | [diff] [blame] | 12 | #include "symtable.h" |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 13 | #include "eval.h" |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 14 | #include "marshal.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 15 | |
Guido van Rossum | 80bb965 | 1996-12-05 23:27:02 +0000 | [diff] [blame] | 16 | #ifdef HAVE_UNISTD_H |
| 17 | #include <unistd.h> |
| 18 | #endif |
| 19 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 20 | #ifdef HAVE_SIGNAL_H |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 21 | #include <signal.h> |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 22 | #endif |
| 23 | |
Guido van Rossum | 9b38a14 | 1996-09-11 23:12:24 +0000 | [diff] [blame] | 24 | #ifdef MS_WIN32 |
Guido van Rossum | a44823b | 1995-03-14 15:01:17 +0000 | [diff] [blame] | 25 | #undef BYTE |
| 26 | #include "windows.h" |
| 27 | #endif |
| 28 | |
Jack Jansen | cbf630f | 2000-07-11 21:59:16 +0000 | [diff] [blame] | 29 | #ifdef macintosh |
| 30 | #include "macglue.h" |
| 31 | #endif |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 32 | extern char *Py_GetPath(void); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 33 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 34 | extern grammar _PyParser_Grammar; /* From graminit.c */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 35 | |
Guido van Rossum | b73cc04 | 1993-11-01 16:28:59 +0000 | [diff] [blame] | 36 | /* Forward */ |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 37 | static void initmain(void); |
| 38 | static void initsite(void); |
Jeremy Hylton | 9f324e9 | 2001-03-01 22:59:14 +0000 | [diff] [blame] | 39 | static PyObject *run_err_node(node *, char *, PyObject *, PyObject *, |
| 40 | PyCompilerFlags *); |
| 41 | static PyObject *run_node(node *, char *, PyObject *, PyObject *, |
| 42 | PyCompilerFlags *); |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 43 | static PyObject *run_pyc_file(FILE *, char *, PyObject *, PyObject *, |
| 44 | PyCompilerFlags *); |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 45 | static void err_input(perrdetail *); |
| 46 | static void initsigs(void); |
| 47 | static void call_sys_exitfunc(void); |
| 48 | static void call_ll_exitfuncs(void); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 49 | |
Guido van Rossum | bffd683 | 2000-01-20 22:32:56 +0000 | [diff] [blame] | 50 | #ifdef Py_TRACE_REFS |
| 51 | int _Py_AskYesNo(char *prompt); |
| 52 | #endif |
| 53 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 54 | extern void _PyUnicode_Init(void); |
| 55 | extern void _PyUnicode_Fini(void); |
| 56 | extern void _PyCodecRegistry_Init(void); |
| 57 | extern void _PyCodecRegistry_Fini(void); |
Guido van Rossum | c94044c | 2000-03-10 23:03:54 +0000 | [diff] [blame] | 58 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 59 | int Py_DebugFlag; /* Needed by parser.c */ |
| 60 | int Py_VerboseFlag; /* Needed by import.c */ |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 61 | int Py_InteractiveFlag; /* Needed by Py_FdIsInteractive() below */ |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 62 | int Py_NoSiteFlag; /* Suppress 'import site' */ |
Barry Warsaw | 3ce0964 | 2000-05-02 19:18:59 +0000 | [diff] [blame] | 63 | int Py_UseClassExceptionsFlag = 1; /* Needed by bltinmodule.c: deprecated */ |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 64 | int Py_FrozenFlag; /* Needed by getpath.c */ |
Guido van Rossum | b16d197 | 2000-05-01 17:55:15 +0000 | [diff] [blame] | 65 | int Py_UnicodeFlag = 0; /* Needed by compile.c */ |
Neil Schemenauer | 7d4bb9f | 2001-07-23 16:30:27 +0000 | [diff] [blame] | 66 | int Py_IgnoreEnvironmentFlag; /* e.g. PYTHONPATH, PYTHONHOME */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 67 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 68 | static int initialized = 0; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 69 | |
Thomas Wouters | 7e47402 | 2000-07-16 12:04:32 +0000 | [diff] [blame] | 70 | /* API to access the initialized flag -- useful for esoteric use */ |
Guido van Rossum | e3c0d5e | 1997-08-22 04:20:13 +0000 | [diff] [blame] | 71 | |
| 72 | int |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 73 | Py_IsInitialized(void) |
Guido van Rossum | e3c0d5e | 1997-08-22 04:20:13 +0000 | [diff] [blame] | 74 | { |
| 75 | return initialized; |
| 76 | } |
| 77 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 78 | /* Global initializations. Can be undone by Py_Finalize(). Don't |
| 79 | call this twice without an intervening Py_Finalize() call. When |
| 80 | initializations fail, a fatal error is issued and the function does |
| 81 | not return. On return, the first thread and interpreter state have |
| 82 | been created. |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 83 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 84 | Locking: you must hold the interpreter lock while calling this. |
| 85 | (If the lock has not yet been initialized, that's equivalent to |
| 86 | having the lock, but you cannot use multiple threads.) |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 87 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 88 | */ |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 89 | |
| 90 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 91 | Py_Initialize(void) |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 92 | { |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 93 | PyInterpreterState *interp; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 94 | PyThreadState *tstate; |
| 95 | PyObject *bimod, *sysmod; |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 96 | char *p; |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 97 | |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 98 | if (initialized) |
Guido van Rossum | aa61505 | 1997-08-20 22:40:18 +0000 | [diff] [blame] | 99 | return; |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 100 | initialized = 1; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 101 | |
Neil Schemenauer | 7d4bb9f | 2001-07-23 16:30:27 +0000 | [diff] [blame] | 102 | if ((p = Py_GETENV("PYTHONDEBUG")) && *p != '\0') |
Marc-André Lemburg | dc3d606 | 2000-08-25 21:00:46 +0000 | [diff] [blame] | 103 | Py_DebugFlag = Py_DebugFlag ? Py_DebugFlag : 1; |
Neil Schemenauer | 7d4bb9f | 2001-07-23 16:30:27 +0000 | [diff] [blame] | 104 | if ((p = Py_GETENV("PYTHONVERBOSE")) && *p != '\0') |
Marc-André Lemburg | dc3d606 | 2000-08-25 21:00:46 +0000 | [diff] [blame] | 105 | Py_VerboseFlag = Py_VerboseFlag ? Py_VerboseFlag : 1; |
Neil Schemenauer | 7d4bb9f | 2001-07-23 16:30:27 +0000 | [diff] [blame] | 106 | if ((p = Py_GETENV("PYTHONOPTIMIZE")) && *p != '\0') |
Marc-André Lemburg | dc3d606 | 2000-08-25 21:00:46 +0000 | [diff] [blame] | 107 | Py_OptimizeFlag = Py_OptimizeFlag ? Py_OptimizeFlag : 1; |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 108 | |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 109 | interp = PyInterpreterState_New(); |
| 110 | if (interp == NULL) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 111 | Py_FatalError("Py_Initialize: can't make first interpreter"); |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 112 | |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 113 | tstate = PyThreadState_New(interp); |
| 114 | if (tstate == NULL) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 115 | Py_FatalError("Py_Initialize: can't make first thread"); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 116 | (void) PyThreadState_Swap(tstate); |
| 117 | |
Guido van Rossum | 528b7eb | 2001-08-07 17:24:28 +0000 | [diff] [blame] | 118 | if (PyType_Ready(&PyType_Type) < 0) |
Tim Peters | 6d6c1a3 | 2001-08-02 04:15:00 +0000 | [diff] [blame] | 119 | Py_FatalError("Py_Initialize: can't initialize 'type'"); |
| 120 | |
Guido van Rossum | 528b7eb | 2001-08-07 17:24:28 +0000 | [diff] [blame] | 121 | if (PyType_Ready(&PyList_Type) < 0) |
| 122 | Py_FatalError("Py_Initialize: can't initialize 'list'"); |
| 123 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 124 | interp->modules = PyDict_New(); |
| 125 | if (interp->modules == NULL) |
| 126 | Py_FatalError("Py_Initialize: can't make modules dictionary"); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 127 | |
Guido van Rossum | c94044c | 2000-03-10 23:03:54 +0000 | [diff] [blame] | 128 | /* Init codec registry */ |
| 129 | _PyCodecRegistry_Init(); |
| 130 | |
| 131 | /* Init Unicode implementation; relies on the codec registry */ |
| 132 | _PyUnicode_Init(); |
| 133 | |
Barry Warsaw | f242aa0 | 2000-05-25 23:09:49 +0000 | [diff] [blame] | 134 | bimod = _PyBuiltin_Init(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 135 | if (bimod == NULL) |
| 136 | Py_FatalError("Py_Initialize: can't initialize __builtin__"); |
Guido van Rossum | 4a1f39a | 1997-11-04 19:36:18 +0000 | [diff] [blame] | 137 | interp->builtins = PyModule_GetDict(bimod); |
| 138 | Py_INCREF(interp->builtins); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 139 | |
| 140 | sysmod = _PySys_Init(); |
| 141 | if (sysmod == NULL) |
| 142 | Py_FatalError("Py_Initialize: can't initialize sys"); |
| 143 | interp->sysdict = PyModule_GetDict(sysmod); |
| 144 | Py_INCREF(interp->sysdict); |
| 145 | _PyImport_FixupExtension("sys", "sys"); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 146 | PySys_SetPath(Py_GetPath()); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 147 | PyDict_SetItemString(interp->sysdict, "modules", |
| 148 | interp->modules); |
| 149 | |
Guido van Rossum | 7c85ab8 | 1999-07-08 17:26:56 +0000 | [diff] [blame] | 150 | _PyImport_Init(); |
| 151 | |
Barry Warsaw | f242aa0 | 2000-05-25 23:09:49 +0000 | [diff] [blame] | 152 | /* initialize builtin exceptions */ |
Tim Peters | 6d6c1a3 | 2001-08-02 04:15:00 +0000 | [diff] [blame] | 153 | _PyExc_Init(); |
Barry Warsaw | f242aa0 | 2000-05-25 23:09:49 +0000 | [diff] [blame] | 154 | |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 155 | /* phase 2 of builtins */ |
Barry Warsaw | 963b871 | 1997-09-18 16:42:02 +0000 | [diff] [blame] | 156 | _PyImport_FixupExtension("__builtin__", "__builtin__"); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 157 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 158 | initsigs(); /* Signal handling stuff, including initintr() */ |
| 159 | |
| 160 | initmain(); /* Module __main__ */ |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 161 | if (!Py_NoSiteFlag) |
| 162 | initsite(); /* Module site */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 163 | } |
| 164 | |
Guido van Rossum | 2edcf0d | 1998-12-15 16:12:00 +0000 | [diff] [blame] | 165 | #ifdef COUNT_ALLOCS |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 166 | extern void dump_counts(void); |
Guido van Rossum | 2edcf0d | 1998-12-15 16:12:00 +0000 | [diff] [blame] | 167 | #endif |
| 168 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 169 | /* Undo the effect of Py_Initialize(). |
| 170 | |
| 171 | Beware: if multiple interpreter and/or thread states exist, these |
| 172 | are not wiped out; only the current thread and interpreter state |
| 173 | are deleted. But since everything else is deleted, those other |
| 174 | interpreter and thread states should no longer be used. |
| 175 | |
| 176 | (XXX We should do better, e.g. wipe out all interpreters and |
| 177 | threads.) |
| 178 | |
| 179 | Locking: as above. |
| 180 | |
| 181 | */ |
| 182 | |
| 183 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 184 | Py_Finalize(void) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 185 | { |
| 186 | PyInterpreterState *interp; |
| 187 | PyThreadState *tstate; |
| 188 | |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 189 | if (!initialized) |
Guido van Rossum | aa61505 | 1997-08-20 22:40:18 +0000 | [diff] [blame] | 190 | return; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 191 | |
Tim Peters | 384fd10 | 2001-01-21 03:40:37 +0000 | [diff] [blame] | 192 | /* The interpreter is still entirely intact at this point, and the |
| 193 | * exit funcs may be relying on that. In particular, if some thread |
| 194 | * or exit func is still waiting to do an import, the import machinery |
| 195 | * expects Py_IsInitialized() to return true. So don't say the |
| 196 | * interpreter is uninitialized until after the exit funcs have run. |
| 197 | * Note that Threading.py uses an exit func to do a join on all the |
| 198 | * threads created thru it, so this also protects pending imports in |
| 199 | * the threads created via Threading. |
| 200 | */ |
Guido van Rossum | 4cc462e | 1998-01-19 22:00:38 +0000 | [diff] [blame] | 201 | call_sys_exitfunc(); |
Tim Peters | 384fd10 | 2001-01-21 03:40:37 +0000 | [diff] [blame] | 202 | initialized = 0; |
Guido van Rossum | 4cc462e | 1998-01-19 22:00:38 +0000 | [diff] [blame] | 203 | |
Guido van Rossum | 3a44e1b | 1997-11-03 21:58:47 +0000 | [diff] [blame] | 204 | /* Get current thread state and interpreter pointer */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 205 | tstate = PyThreadState_Get(); |
| 206 | interp = tstate->interp; |
| 207 | |
Guido van Rossum | 3a44e1b | 1997-11-03 21:58:47 +0000 | [diff] [blame] | 208 | /* Disable signal handling */ |
| 209 | PyOS_FiniInterrupts(); |
| 210 | |
Guido van Rossum | c94044c | 2000-03-10 23:03:54 +0000 | [diff] [blame] | 211 | /* Cleanup Unicode implementation */ |
| 212 | _PyUnicode_Fini(); |
| 213 | |
| 214 | /* Cleanup Codec registry */ |
| 215 | _PyCodecRegistry_Fini(); |
| 216 | |
Guido van Rossum | 3a44e1b | 1997-11-03 21:58:47 +0000 | [diff] [blame] | 217 | /* Destroy all modules */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 218 | PyImport_Cleanup(); |
Guido van Rossum | 3a44e1b | 1997-11-03 21:58:47 +0000 | [diff] [blame] | 219 | |
Guido van Rossum | 1707aad | 1997-12-08 23:43:45 +0000 | [diff] [blame] | 220 | /* Destroy the database used by _PyImport_{Fixup,Find}Extension */ |
| 221 | _PyImport_Fini(); |
| 222 | |
| 223 | /* Debugging stuff */ |
| 224 | #ifdef COUNT_ALLOCS |
| 225 | dump_counts(); |
| 226 | #endif |
| 227 | |
| 228 | #ifdef Py_REF_DEBUG |
| 229 | fprintf(stderr, "[%ld refs]\n", _Py_RefTotal); |
| 230 | #endif |
| 231 | |
| 232 | #ifdef Py_TRACE_REFS |
Guido van Rossum | eca4784 | 2000-04-27 23:44:15 +0000 | [diff] [blame] | 233 | if ( |
| 234 | #ifdef MS_WINDOWS /* Only ask on Windows if env var set */ |
Neil Schemenauer | 7d4bb9f | 2001-07-23 16:30:27 +0000 | [diff] [blame] | 235 | Py_GETENV("PYTHONDUMPREFS") && |
Guido van Rossum | eca4784 | 2000-04-27 23:44:15 +0000 | [diff] [blame] | 236 | #endif /* MS_WINDOWS */ |
| 237 | _Py_AskYesNo("Print left references?")) { |
Guido van Rossum | 1707aad | 1997-12-08 23:43:45 +0000 | [diff] [blame] | 238 | _Py_PrintReferences(stderr); |
| 239 | } |
| 240 | #endif /* Py_TRACE_REFS */ |
| 241 | |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 242 | /* Now we decref the exception classes. After this point nothing |
| 243 | can raise an exception. That's okay, because each Fini() method |
| 244 | below has been checked to make sure no exceptions are ever |
| 245 | raised. |
| 246 | */ |
Tim Peters | 6d6c1a3 | 2001-08-02 04:15:00 +0000 | [diff] [blame] | 247 | _PyExc_Fini(); |
Barry Warsaw | f242aa0 | 2000-05-25 23:09:49 +0000 | [diff] [blame] | 248 | |
| 249 | /* Delete current thread */ |
| 250 | PyInterpreterState_Clear(interp); |
| 251 | PyThreadState_Swap(NULL); |
| 252 | PyInterpreterState_Delete(interp); |
| 253 | |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 254 | PyMethod_Fini(); |
| 255 | PyFrame_Fini(); |
| 256 | PyCFunction_Fini(); |
| 257 | PyTuple_Fini(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 258 | PyString_Fini(); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 259 | PyInt_Fini(); |
| 260 | PyFloat_Fini(); |
| 261 | |
| 262 | /* XXX Still allocated: |
| 263 | - various static ad-hoc pointers to interned strings |
| 264 | - int and float free list blocks |
| 265 | - whatever various modules and libraries allocate |
| 266 | */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 267 | |
| 268 | PyGrammar_RemoveAccelerators(&_PyParser_Grammar); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 269 | |
| 270 | call_ll_exitfuncs(); |
| 271 | |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 272 | #ifdef Py_TRACE_REFS |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 273 | _Py_ResetReferences(); |
| 274 | #endif /* Py_TRACE_REFS */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 275 | } |
| 276 | |
| 277 | /* Create and initialize a new interpreter and thread, and return the |
| 278 | new thread. This requires that Py_Initialize() has been called |
| 279 | first. |
| 280 | |
| 281 | Unsuccessful initialization yields a NULL pointer. Note that *no* |
| 282 | exception information is available even in this case -- the |
| 283 | exception information is held in the thread, and there is no |
| 284 | thread. |
| 285 | |
| 286 | Locking: as above. |
| 287 | |
| 288 | */ |
| 289 | |
| 290 | PyThreadState * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 291 | Py_NewInterpreter(void) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 292 | { |
| 293 | PyInterpreterState *interp; |
| 294 | PyThreadState *tstate, *save_tstate; |
| 295 | PyObject *bimod, *sysmod; |
| 296 | |
| 297 | if (!initialized) |
| 298 | Py_FatalError("Py_NewInterpreter: call Py_Initialize first"); |
| 299 | |
| 300 | interp = PyInterpreterState_New(); |
| 301 | if (interp == NULL) |
| 302 | return NULL; |
| 303 | |
| 304 | tstate = PyThreadState_New(interp); |
| 305 | if (tstate == NULL) { |
| 306 | PyInterpreterState_Delete(interp); |
| 307 | return NULL; |
| 308 | } |
| 309 | |
| 310 | save_tstate = PyThreadState_Swap(tstate); |
| 311 | |
| 312 | /* XXX The following is lax in error checking */ |
| 313 | |
| 314 | interp->modules = PyDict_New(); |
| 315 | |
| 316 | bimod = _PyImport_FindExtension("__builtin__", "__builtin__"); |
| 317 | if (bimod != NULL) { |
Guido van Rossum | 4a1f39a | 1997-11-04 19:36:18 +0000 | [diff] [blame] | 318 | interp->builtins = PyModule_GetDict(bimod); |
| 319 | Py_INCREF(interp->builtins); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 320 | } |
| 321 | sysmod = _PyImport_FindExtension("sys", "sys"); |
| 322 | if (bimod != NULL && sysmod != NULL) { |
| 323 | interp->sysdict = PyModule_GetDict(sysmod); |
| 324 | Py_INCREF(interp->sysdict); |
| 325 | PySys_SetPath(Py_GetPath()); |
| 326 | PyDict_SetItemString(interp->sysdict, "modules", |
| 327 | interp->modules); |
| 328 | initmain(); |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 329 | if (!Py_NoSiteFlag) |
| 330 | initsite(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 331 | } |
| 332 | |
| 333 | if (!PyErr_Occurred()) |
| 334 | return tstate; |
| 335 | |
| 336 | /* Oops, it didn't work. Undo it all. */ |
| 337 | |
| 338 | PyErr_Print(); |
| 339 | PyThreadState_Clear(tstate); |
| 340 | PyThreadState_Swap(save_tstate); |
| 341 | PyThreadState_Delete(tstate); |
| 342 | PyInterpreterState_Delete(interp); |
| 343 | |
| 344 | return NULL; |
| 345 | } |
| 346 | |
| 347 | /* Delete an interpreter and its last thread. This requires that the |
| 348 | given thread state is current, that the thread has no remaining |
| 349 | frames, and that it is its interpreter's only remaining thread. |
| 350 | It is a fatal error to violate these constraints. |
| 351 | |
| 352 | (Py_Finalize() doesn't have these constraints -- it zaps |
| 353 | everything, regardless.) |
| 354 | |
| 355 | Locking: as above. |
| 356 | |
| 357 | */ |
| 358 | |
| 359 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 360 | Py_EndInterpreter(PyThreadState *tstate) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 361 | { |
| 362 | PyInterpreterState *interp = tstate->interp; |
| 363 | |
| 364 | if (tstate != PyThreadState_Get()) |
| 365 | Py_FatalError("Py_EndInterpreter: thread is not current"); |
| 366 | if (tstate->frame != NULL) |
| 367 | Py_FatalError("Py_EndInterpreter: thread still has a frame"); |
| 368 | if (tstate != interp->tstate_head || tstate->next != NULL) |
| 369 | Py_FatalError("Py_EndInterpreter: not the last thread"); |
| 370 | |
| 371 | PyImport_Cleanup(); |
| 372 | PyInterpreterState_Clear(interp); |
| 373 | PyThreadState_Swap(NULL); |
| 374 | PyInterpreterState_Delete(interp); |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 375 | } |
| 376 | |
| 377 | static char *progname = "python"; |
| 378 | |
| 379 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 380 | Py_SetProgramName(char *pn) |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 381 | { |
| 382 | if (pn && *pn) |
| 383 | progname = pn; |
| 384 | } |
| 385 | |
| 386 | char * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 387 | Py_GetProgramName(void) |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 388 | { |
| 389 | return progname; |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 390 | } |
| 391 | |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 392 | static char *default_home = NULL; |
| 393 | |
| 394 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 395 | Py_SetPythonHome(char *home) |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 396 | { |
| 397 | default_home = home; |
| 398 | } |
| 399 | |
| 400 | char * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 401 | Py_GetPythonHome(void) |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 402 | { |
| 403 | char *home = default_home; |
Neil Schemenauer | 7d4bb9f | 2001-07-23 16:30:27 +0000 | [diff] [blame] | 404 | if (home == NULL && !Py_IgnoreEnvironmentFlag) |
| 405 | home = Py_GETENV("PYTHONHOME"); |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 406 | return home; |
| 407 | } |
| 408 | |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 409 | /* Create __main__ module */ |
| 410 | |
| 411 | static void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 412 | initmain(void) |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 413 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 414 | PyObject *m, *d; |
| 415 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 416 | if (m == NULL) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 417 | Py_FatalError("can't create __main__ module"); |
| 418 | d = PyModule_GetDict(m); |
| 419 | if (PyDict_GetItemString(d, "__builtins__") == NULL) { |
Guido van Rossum | 858cb73 | 1997-11-19 16:15:37 +0000 | [diff] [blame] | 420 | PyObject *bimod = PyImport_ImportModule("__builtin__"); |
| 421 | if (bimod == NULL || |
| 422 | PyDict_SetItemString(d, "__builtins__", bimod) != 0) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 423 | Py_FatalError("can't add __builtins__ to __main__"); |
Barry Warsaw | 3d05b1a | 1999-01-29 21:30:22 +0000 | [diff] [blame] | 424 | Py_DECREF(bimod); |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 425 | } |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 426 | } |
| 427 | |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 428 | /* Import the site module (not into __main__ though) */ |
| 429 | |
| 430 | static void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 431 | initsite(void) |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 432 | { |
| 433 | PyObject *m, *f; |
| 434 | m = PyImport_ImportModule("site"); |
| 435 | if (m == NULL) { |
| 436 | f = PySys_GetObject("stderr"); |
| 437 | if (Py_VerboseFlag) { |
| 438 | PyFile_WriteString( |
| 439 | "'import site' failed; traceback:\n", f); |
| 440 | PyErr_Print(); |
| 441 | } |
| 442 | else { |
| 443 | PyFile_WriteString( |
| 444 | "'import site' failed; use -v for traceback\n", f); |
| 445 | PyErr_Clear(); |
| 446 | } |
| 447 | } |
| 448 | else { |
| 449 | Py_DECREF(m); |
| 450 | } |
| 451 | } |
| 452 | |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 453 | /* Parse input from a file and execute it */ |
| 454 | |
| 455 | int |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 456 | PyRun_AnyFile(FILE *fp, char *filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 457 | { |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 458 | return PyRun_AnyFileExFlags(fp, filename, 0, NULL); |
| 459 | } |
| 460 | |
| 461 | int |
| 462 | PyRun_AnyFileFlags(FILE *fp, char *filename, PyCompilerFlags *flags) |
| 463 | { |
| 464 | return PyRun_AnyFileExFlags(fp, filename, 0, flags); |
Guido van Rossum | 0df002c | 2000-08-27 19:21:52 +0000 | [diff] [blame] | 465 | } |
| 466 | |
| 467 | int |
| 468 | PyRun_AnyFileEx(FILE *fp, char *filename, int closeit) |
| 469 | { |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 470 | return PyRun_AnyFileExFlags(fp, filename, closeit, NULL); |
| 471 | } |
| 472 | |
| 473 | int |
| 474 | PyRun_AnyFileExFlags(FILE *fp, char *filename, int closeit, |
| 475 | PyCompilerFlags *flags) |
| 476 | { |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 477 | if (filename == NULL) |
| 478 | filename = "???"; |
Guido van Rossum | 0df002c | 2000-08-27 19:21:52 +0000 | [diff] [blame] | 479 | if (Py_FdIsInteractive(fp, filename)) { |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 480 | int err = PyRun_InteractiveLoopFlags(fp, filename, flags); |
Guido van Rossum | 0df002c | 2000-08-27 19:21:52 +0000 | [diff] [blame] | 481 | if (closeit) |
| 482 | fclose(fp); |
| 483 | return err; |
| 484 | } |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 485 | else |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 486 | return PyRun_SimpleFileExFlags(fp, filename, closeit, flags); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 487 | } |
| 488 | |
| 489 | int |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 490 | PyRun_InteractiveLoop(FILE *fp, char *filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 491 | { |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 492 | return PyRun_InteractiveLoopFlags(fp, filename, NULL); |
| 493 | } |
| 494 | |
| 495 | int |
| 496 | PyRun_InteractiveLoopFlags(FILE *fp, char *filename, PyCompilerFlags *flags) |
| 497 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 498 | PyObject *v; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 499 | int ret; |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 500 | PyCompilerFlags local_flags; |
Jeremy Hylton | 9f324e9 | 2001-03-01 22:59:14 +0000 | [diff] [blame] | 501 | |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 502 | if (flags == NULL) { |
| 503 | flags = &local_flags; |
Tim Peters | 5ba5866 | 2001-07-16 02:29:45 +0000 | [diff] [blame] | 504 | local_flags.cf_flags = 0; |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 505 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 506 | v = PySys_GetObject("ps1"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 507 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 508 | PySys_SetObject("ps1", v = PyString_FromString(">>> ")); |
| 509 | Py_XDECREF(v); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 510 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 511 | v = PySys_GetObject("ps2"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 512 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 513 | PySys_SetObject("ps2", v = PyString_FromString("... ")); |
| 514 | Py_XDECREF(v); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 515 | } |
| 516 | for (;;) { |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 517 | ret = PyRun_InteractiveOneFlags(fp, filename, flags); |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 518 | #ifdef Py_REF_DEBUG |
Guido van Rossum | 6f9e433 | 1995-03-29 16:57:48 +0000 | [diff] [blame] | 519 | fprintf(stderr, "[%ld refs]\n", _Py_RefTotal); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 520 | #endif |
| 521 | if (ret == E_EOF) |
| 522 | return 0; |
| 523 | /* |
| 524 | if (ret == E_NOMEM) |
| 525 | return -1; |
| 526 | */ |
| 527 | } |
| 528 | } |
| 529 | |
| 530 | int |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 531 | PyRun_InteractiveOne(FILE *fp, char *filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 532 | { |
Jeremy Hylton | 9f324e9 | 2001-03-01 22:59:14 +0000 | [diff] [blame] | 533 | return PyRun_InteractiveOneFlags(fp, filename, NULL); |
| 534 | } |
| 535 | |
| 536 | int |
| 537 | PyRun_InteractiveOneFlags(FILE *fp, char *filename, PyCompilerFlags *flags) |
| 538 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 539 | PyObject *m, *d, *v, *w; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 540 | node *n; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 541 | perrdetail err; |
Guido van Rossum | ddc3fb5 | 1997-11-25 20:58:13 +0000 | [diff] [blame] | 542 | char *ps1 = "", *ps2 = ""; |
Tim Peters | fe2127d | 2001-07-16 05:37:24 +0000 | [diff] [blame] | 543 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 544 | v = PySys_GetObject("ps1"); |
Guido van Rossum | ddc3fb5 | 1997-11-25 20:58:13 +0000 | [diff] [blame] | 545 | if (v != NULL) { |
| 546 | v = PyObject_Str(v); |
| 547 | if (v == NULL) |
| 548 | PyErr_Clear(); |
| 549 | else if (PyString_Check(v)) |
| 550 | ps1 = PyString_AsString(v); |
| 551 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 552 | w = PySys_GetObject("ps2"); |
Guido van Rossum | ddc3fb5 | 1997-11-25 20:58:13 +0000 | [diff] [blame] | 553 | if (w != NULL) { |
| 554 | w = PyObject_Str(w); |
| 555 | if (w == NULL) |
| 556 | PyErr_Clear(); |
| 557 | else if (PyString_Check(w)) |
| 558 | ps2 = PyString_AsString(w); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 559 | } |
Tim Peters | fe2127d | 2001-07-16 05:37:24 +0000 | [diff] [blame] | 560 | n = PyParser_ParseFileFlags(fp, filename, &_PyParser_Grammar, |
| 561 | Py_single_input, ps1, ps2, &err, |
| 562 | (flags && |
| 563 | flags->cf_flags & PyCF_GENERATORS) ? |
| 564 | PyPARSE_YIELD_IS_KEYWORD : 0); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 565 | Py_XDECREF(v); |
| 566 | Py_XDECREF(w); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 567 | if (n == NULL) { |
| 568 | if (err.error == E_EOF) { |
| 569 | if (err.text) |
Guido van Rossum | b18618d | 2000-05-03 23:44:39 +0000 | [diff] [blame] | 570 | PyMem_DEL(err.text); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 571 | return E_EOF; |
| 572 | } |
| 573 | err_input(&err); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 574 | PyErr_Print(); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 575 | return err.error; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 576 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 577 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 578 | if (m == NULL) |
| 579 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 580 | d = PyModule_GetDict(m); |
Jeremy Hylton | 9f324e9 | 2001-03-01 22:59:14 +0000 | [diff] [blame] | 581 | v = run_node(n, filename, d, d, flags); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 582 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 583 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 584 | return -1; |
| 585 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 586 | Py_DECREF(v); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 587 | if (Py_FlushLine()) |
| 588 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 589 | return 0; |
| 590 | } |
| 591 | |
| 592 | int |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 593 | PyRun_SimpleFile(FILE *fp, char *filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 594 | { |
Guido van Rossum | 0df002c | 2000-08-27 19:21:52 +0000 | [diff] [blame] | 595 | return PyRun_SimpleFileEx(fp, filename, 0); |
| 596 | } |
| 597 | |
Martin v. Löwis | be4c0f5 | 2001-01-04 20:30:56 +0000 | [diff] [blame] | 598 | /* Check whether a file maybe a pyc file: Look at the extension, |
| 599 | the file type, and, if we may close it, at the first few bytes. */ |
| 600 | |
| 601 | static int |
| 602 | maybe_pyc_file(FILE *fp, char* filename, char* ext, int closeit) |
| 603 | { |
| 604 | if (strcmp(ext, ".pyc") == 0 || strcmp(ext, ".pyo") == 0) |
| 605 | return 1; |
| 606 | |
| 607 | #ifdef macintosh |
| 608 | /* On a mac, we also assume a pyc file for types 'PYC ' and 'APPL' */ |
| 609 | if (PyMac_getfiletype(filename) == 'PYC ' |
| 610 | || PyMac_getfiletype(filename) == 'APPL') |
| 611 | return 1; |
| 612 | #endif /* macintosh */ |
| 613 | |
| 614 | /* Only look into the file if we are allowed to close it, since |
| 615 | it then should also be seekable. */ |
| 616 | if (closeit) { |
| 617 | /* Read only two bytes of the magic. If the file was opened in |
| 618 | text mode, the bytes 3 and 4 of the magic (\r\n) might not |
| 619 | be read as they are on disk. */ |
| 620 | unsigned int halfmagic = PyImport_GetMagicNumber() & 0xFFFF; |
| 621 | unsigned char buf[2]; |
Tim Peters | 3e87656 | 2001-02-11 04:35:39 +0000 | [diff] [blame] | 622 | /* Mess: In case of -x, the stream is NOT at its start now, |
| 623 | and ungetc() was used to push back the first newline, |
Tim Peters | 6f5a4ef | 2001-02-17 22:02:34 +0000 | [diff] [blame] | 624 | which makes the current stream position formally undefined, |
| 625 | and a x-platform nightmare. |
| 626 | Unfortunately, we have no direct way to know whether -x |
| 627 | was specified. So we use a terrible hack: if the current |
| 628 | stream position is not 0, we assume -x was specified, and |
| 629 | give up. Bug 132850 on SourceForge spells out the |
| 630 | hopelessness of trying anything else (fseek and ftell |
| 631 | don't work predictably x-platform for text-mode files). |
Tim Peters | 3e87656 | 2001-02-11 04:35:39 +0000 | [diff] [blame] | 632 | */ |
Tim Peters | 3e87656 | 2001-02-11 04:35:39 +0000 | [diff] [blame] | 633 | int ispyc = 0; |
Tim Peters | 6f5a4ef | 2001-02-17 22:02:34 +0000 | [diff] [blame] | 634 | if (ftell(fp) == 0) { |
| 635 | if (fread(buf, 1, 2, fp) == 2 && |
| 636 | ((unsigned int)buf[1]<<8 | buf[0]) == halfmagic) |
| 637 | ispyc = 1; |
| 638 | rewind(fp); |
| 639 | } |
Tim Peters | 3e87656 | 2001-02-11 04:35:39 +0000 | [diff] [blame] | 640 | return ispyc; |
Martin v. Löwis | be4c0f5 | 2001-01-04 20:30:56 +0000 | [diff] [blame] | 641 | } |
| 642 | return 0; |
| 643 | } |
| 644 | |
Guido van Rossum | 0df002c | 2000-08-27 19:21:52 +0000 | [diff] [blame] | 645 | int |
| 646 | PyRun_SimpleFileEx(FILE *fp, char *filename, int closeit) |
| 647 | { |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 648 | return PyRun_SimpleFileExFlags(fp, filename, closeit, NULL); |
| 649 | } |
| 650 | |
| 651 | int |
| 652 | PyRun_SimpleFileExFlags(FILE *fp, char *filename, int closeit, |
| 653 | PyCompilerFlags *flags) |
| 654 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 655 | PyObject *m, *d, *v; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 656 | char *ext; |
| 657 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 658 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 659 | if (m == NULL) |
| 660 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 661 | d = PyModule_GetDict(m); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 662 | ext = filename + strlen(filename) - 4; |
Martin v. Löwis | be4c0f5 | 2001-01-04 20:30:56 +0000 | [diff] [blame] | 663 | if (maybe_pyc_file(fp, filename, ext, closeit)) { |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 664 | /* Try to run a pyc file. First, re-open in binary */ |
Guido van Rossum | 0df002c | 2000-08-27 19:21:52 +0000 | [diff] [blame] | 665 | if (closeit) |
| 666 | fclose(fp); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 667 | if( (fp = fopen(filename, "rb")) == NULL ) { |
| 668 | fprintf(stderr, "python: Can't reopen .pyc file\n"); |
| 669 | return -1; |
| 670 | } |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 671 | /* Turn on optimization if a .pyo file is given */ |
| 672 | if (strcmp(ext, ".pyo") == 0) |
| 673 | Py_OptimizeFlag = 1; |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 674 | v = run_pyc_file(fp, filename, d, d, flags); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 675 | } else { |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 676 | v = PyRun_FileExFlags(fp, filename, Py_file_input, d, d, |
| 677 | closeit, flags); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 678 | } |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 679 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 680 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 681 | return -1; |
| 682 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 683 | Py_DECREF(v); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 684 | if (Py_FlushLine()) |
| 685 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 686 | return 0; |
| 687 | } |
| 688 | |
| 689 | int |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 690 | PyRun_SimpleString(char *command) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 691 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 692 | PyObject *m, *d, *v; |
| 693 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 694 | if (m == NULL) |
| 695 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 696 | d = PyModule_GetDict(m); |
Guido van Rossum | b05a5c7 | 1997-05-07 17:46:13 +0000 | [diff] [blame] | 697 | v = PyRun_String(command, Py_file_input, d, d); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 698 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 699 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 700 | return -1; |
| 701 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 702 | Py_DECREF(v); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 703 | if (Py_FlushLine()) |
| 704 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 705 | return 0; |
| 706 | } |
| 707 | |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 708 | static int |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 709 | parse_syntax_error(PyObject *err, PyObject **message, char **filename, |
| 710 | int *lineno, int *offset, char **text) |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 711 | { |
| 712 | long hold; |
| 713 | PyObject *v; |
| 714 | |
| 715 | /* old style errors */ |
| 716 | if (PyTuple_Check(err)) |
| 717 | return PyArg_Parse(err, "(O(ziiz))", message, filename, |
| 718 | lineno, offset, text); |
| 719 | |
| 720 | /* new style errors. `err' is an instance */ |
| 721 | |
| 722 | if (! (v = PyObject_GetAttrString(err, "msg"))) |
| 723 | goto finally; |
| 724 | *message = v; |
| 725 | |
| 726 | if (!(v = PyObject_GetAttrString(err, "filename"))) |
| 727 | goto finally; |
| 728 | if (v == Py_None) |
| 729 | *filename = NULL; |
| 730 | else if (! (*filename = PyString_AsString(v))) |
| 731 | goto finally; |
| 732 | |
| 733 | Py_DECREF(v); |
| 734 | if (!(v = PyObject_GetAttrString(err, "lineno"))) |
| 735 | goto finally; |
| 736 | hold = PyInt_AsLong(v); |
| 737 | Py_DECREF(v); |
| 738 | v = NULL; |
| 739 | if (hold < 0 && PyErr_Occurred()) |
| 740 | goto finally; |
| 741 | *lineno = (int)hold; |
| 742 | |
| 743 | if (!(v = PyObject_GetAttrString(err, "offset"))) |
| 744 | goto finally; |
Jeremy Hylton | 9f1b993 | 2001-02-28 07:07:43 +0000 | [diff] [blame] | 745 | if (v == Py_None) { |
| 746 | *offset = -1; |
| 747 | Py_DECREF(v); |
| 748 | v = NULL; |
| 749 | } else { |
| 750 | hold = PyInt_AsLong(v); |
| 751 | Py_DECREF(v); |
| 752 | v = NULL; |
| 753 | if (hold < 0 && PyErr_Occurred()) |
| 754 | goto finally; |
| 755 | *offset = (int)hold; |
| 756 | } |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 757 | |
| 758 | if (!(v = PyObject_GetAttrString(err, "text"))) |
| 759 | goto finally; |
| 760 | if (v == Py_None) |
| 761 | *text = NULL; |
| 762 | else if (! (*text = PyString_AsString(v))) |
| 763 | goto finally; |
| 764 | Py_DECREF(v); |
| 765 | return 1; |
| 766 | |
| 767 | finally: |
| 768 | Py_XDECREF(v); |
| 769 | return 0; |
| 770 | } |
| 771 | |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 772 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 773 | PyErr_Print(void) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 774 | { |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 775 | PyErr_PrintEx(1); |
| 776 | } |
| 777 | |
Jeremy Hylton | 9f1b993 | 2001-02-28 07:07:43 +0000 | [diff] [blame] | 778 | static void |
| 779 | print_error_text(PyObject *f, int offset, char *text) |
| 780 | { |
| 781 | char *nl; |
| 782 | if (offset >= 0) { |
| 783 | if (offset > 0 && offset == (int)strlen(text)) |
| 784 | offset--; |
| 785 | for (;;) { |
| 786 | nl = strchr(text, '\n'); |
| 787 | if (nl == NULL || nl-text >= offset) |
| 788 | break; |
| 789 | offset -= (nl+1-text); |
| 790 | text = nl+1; |
| 791 | } |
| 792 | while (*text == ' ' || *text == '\t') { |
| 793 | text++; |
| 794 | offset--; |
| 795 | } |
| 796 | } |
| 797 | PyFile_WriteString(" ", f); |
| 798 | PyFile_WriteString(text, f); |
| 799 | if (*text == '\0' || text[strlen(text)-1] != '\n') |
| 800 | PyFile_WriteString("\n", f); |
| 801 | if (offset == -1) |
| 802 | return; |
| 803 | PyFile_WriteString(" ", f); |
| 804 | offset--; |
| 805 | while (offset > 0) { |
| 806 | PyFile_WriteString(" ", f); |
| 807 | offset--; |
| 808 | } |
| 809 | PyFile_WriteString("^\n", f); |
| 810 | } |
| 811 | |
Guido van Rossum | 66e8e86 | 2001-03-23 17:54:43 +0000 | [diff] [blame] | 812 | static void |
| 813 | handle_system_exit(void) |
Ka-Ping Yee | 26fabb0 | 2001-03-23 15:36:41 +0000 | [diff] [blame] | 814 | { |
Guido van Rossum | 66e8e86 | 2001-03-23 17:54:43 +0000 | [diff] [blame] | 815 | PyObject *exception, *value, *tb; |
| 816 | PyErr_Fetch(&exception, &value, &tb); |
Ka-Ping Yee | 26fabb0 | 2001-03-23 15:36:41 +0000 | [diff] [blame] | 817 | if (Py_FlushLine()) |
| 818 | PyErr_Clear(); |
| 819 | fflush(stdout); |
| 820 | if (value == NULL || value == Py_None) |
| 821 | Py_Exit(0); |
| 822 | if (PyInstance_Check(value)) { |
| 823 | /* The error code should be in the `code' attribute. */ |
| 824 | PyObject *code = PyObject_GetAttrString(value, "code"); |
| 825 | if (code) { |
| 826 | Py_DECREF(value); |
| 827 | value = code; |
| 828 | if (value == Py_None) |
| 829 | Py_Exit(0); |
| 830 | } |
| 831 | /* If we failed to dig out the 'code' attribute, |
| 832 | just let the else clause below print the error. */ |
| 833 | } |
| 834 | if (PyInt_Check(value)) |
| 835 | Py_Exit((int)PyInt_AsLong(value)); |
| 836 | else { |
| 837 | PyObject_Print(value, stderr, Py_PRINT_RAW); |
| 838 | PySys_WriteStderr("\n"); |
| 839 | Py_Exit(1); |
| 840 | } |
| 841 | } |
| 842 | |
| 843 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 844 | PyErr_PrintEx(int set_sys_last_vars) |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 845 | { |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 846 | PyObject *exception, *v, *tb, *hook; |
Guido van Rossum | 66e8e86 | 2001-03-23 17:54:43 +0000 | [diff] [blame] | 847 | |
| 848 | if (PyErr_ExceptionMatches(PyExc_SystemExit)) { |
| 849 | handle_system_exit(); |
| 850 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 851 | PyErr_Fetch(&exception, &v, &tb); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 852 | PyErr_NormalizeException(&exception, &v, &tb); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 853 | if (exception == NULL) |
Guido van Rossum | 296b475 | 1997-05-23 00:19:20 +0000 | [diff] [blame] | 854 | return; |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 855 | if (set_sys_last_vars) { |
| 856 | PySys_SetObject("last_type", exception); |
| 857 | PySys_SetObject("last_value", v); |
| 858 | PySys_SetObject("last_traceback", tb); |
| 859 | } |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 860 | hook = PySys_GetObject("excepthook"); |
| 861 | if (hook) { |
| 862 | PyObject *args = Py_BuildValue("(OOO)", |
| 863 | exception, v ? v : Py_None, tb ? tb : Py_None); |
| 864 | PyObject *result = PyEval_CallObject(hook, args); |
| 865 | if (result == NULL) { |
| 866 | PyObject *exception2, *v2, *tb2; |
Guido van Rossum | 66e8e86 | 2001-03-23 17:54:43 +0000 | [diff] [blame] | 867 | if (PyErr_ExceptionMatches(PyExc_SystemExit)) { |
| 868 | handle_system_exit(); |
| 869 | } |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 870 | PyErr_Fetch(&exception2, &v2, &tb2); |
| 871 | PyErr_NormalizeException(&exception2, &v2, &tb2); |
| 872 | if (Py_FlushLine()) |
| 873 | PyErr_Clear(); |
| 874 | fflush(stdout); |
| 875 | PySys_WriteStderr("Error in sys.excepthook:\n"); |
| 876 | PyErr_Display(exception2, v2, tb2); |
| 877 | PySys_WriteStderr("\nOriginal exception was:\n"); |
| 878 | PyErr_Display(exception, v, tb); |
| 879 | } |
| 880 | Py_XDECREF(result); |
| 881 | Py_XDECREF(args); |
| 882 | } else { |
| 883 | PySys_WriteStderr("sys.excepthook is missing\n"); |
| 884 | PyErr_Display(exception, v, tb); |
| 885 | } |
| 886 | Py_XDECREF(exception); |
| 887 | Py_XDECREF(v); |
| 888 | Py_XDECREF(tb); |
| 889 | } |
| 890 | |
| 891 | void PyErr_Display(PyObject *exception, PyObject *value, PyObject *tb) |
| 892 | { |
| 893 | int err = 0; |
| 894 | PyObject *v = value; |
| 895 | PyObject *f = PySys_GetObject("stderr"); |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 896 | if (f == NULL) |
| 897 | fprintf(stderr, "lost sys.stderr\n"); |
| 898 | else { |
Guido van Rossum | 0829c75 | 1998-02-28 04:31:39 +0000 | [diff] [blame] | 899 | if (Py_FlushLine()) |
| 900 | PyErr_Clear(); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 901 | fflush(stdout); |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 902 | if (tb && tb != Py_None) |
| 903 | err = PyTraceBack_Print(tb, f); |
Barry Warsaw | 36b8f94 | 1997-08-26 18:09:48 +0000 | [diff] [blame] | 904 | if (err == 0 && |
| 905 | PyErr_GivenExceptionMatches(exception, PyExc_SyntaxError)) |
| 906 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 907 | PyObject *message; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 908 | char *filename, *text; |
| 909 | int lineno, offset; |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 910 | if (!parse_syntax_error(v, &message, &filename, |
| 911 | &lineno, &offset, &text)) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 912 | PyErr_Clear(); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 913 | else { |
| 914 | char buf[10]; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 915 | PyFile_WriteString(" File \"", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 916 | if (filename == NULL) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 917 | PyFile_WriteString("<string>", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 918 | else |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 919 | PyFile_WriteString(filename, f); |
| 920 | PyFile_WriteString("\", line ", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 921 | sprintf(buf, "%d", lineno); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 922 | PyFile_WriteString(buf, f); |
| 923 | PyFile_WriteString("\n", f); |
Jeremy Hylton | 9f1b993 | 2001-02-28 07:07:43 +0000 | [diff] [blame] | 924 | if (text != NULL) |
| 925 | print_error_text(f, offset, text); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 926 | v = message; |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 927 | /* Can't be bothered to check all those |
| 928 | PyFile_WriteString() calls */ |
| 929 | if (PyErr_Occurred()) |
| 930 | err = -1; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 931 | } |
| 932 | } |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 933 | if (err) { |
| 934 | /* Don't do anything else */ |
| 935 | } |
| 936 | else if (PyClass_Check(exception)) { |
Barry Warsaw | 2f5f6a2 | 1997-09-16 21:42:03 +0000 | [diff] [blame] | 937 | PyClassObject* exc = (PyClassObject*)exception; |
| 938 | PyObject* className = exc->cl_name; |
| 939 | PyObject* moduleName = |
| 940 | PyDict_GetItemString(exc->cl_dict, "__module__"); |
| 941 | |
| 942 | if (moduleName == NULL) |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 943 | err = PyFile_WriteString("<unknown>", f); |
Barry Warsaw | 2f5f6a2 | 1997-09-16 21:42:03 +0000 | [diff] [blame] | 944 | else { |
| 945 | char* modstr = PyString_AsString(moduleName); |
| 946 | if (modstr && strcmp(modstr, "exceptions")) |
| 947 | { |
| 948 | err = PyFile_WriteString(modstr, f); |
| 949 | err += PyFile_WriteString(".", f); |
| 950 | } |
| 951 | } |
| 952 | if (err == 0) { |
| 953 | if (className == NULL) |
| 954 | err = PyFile_WriteString("<unknown>", f); |
| 955 | else |
| 956 | err = PyFile_WriteObject(className, f, |
| 957 | Py_PRINT_RAW); |
| 958 | } |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 959 | } |
| 960 | else |
| 961 | err = PyFile_WriteObject(exception, f, Py_PRINT_RAW); |
| 962 | if (err == 0) { |
| 963 | if (v != NULL && v != Py_None) { |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 964 | PyObject *s = PyObject_Str(v); |
| 965 | /* only print colon if the str() of the |
| 966 | object is not the empty string |
| 967 | */ |
Guido van Rossum | d6bf45b | 1997-09-05 19:11:53 +0000 | [diff] [blame] | 968 | if (s == NULL) |
| 969 | err = -1; |
| 970 | else if (!PyString_Check(s) || |
| 971 | PyString_GET_SIZE(s) != 0) |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 972 | err = PyFile_WriteString(": ", f); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 973 | if (err == 0) |
Guido van Rossum | d6bf45b | 1997-09-05 19:11:53 +0000 | [diff] [blame] | 974 | err = PyFile_WriteObject(s, f, Py_PRINT_RAW); |
| 975 | Py_XDECREF(s); |
Guido van Rossum | 262e124 | 1995-02-07 15:30:45 +0000 | [diff] [blame] | 976 | } |
Guido van Rossum | 262e124 | 1995-02-07 15:30:45 +0000 | [diff] [blame] | 977 | } |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 978 | if (err == 0) |
| 979 | err = PyFile_WriteString("\n", f); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 980 | } |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 981 | /* If an error happened here, don't show it. |
| 982 | XXX This is wrong, but too many callers rely on this behavior. */ |
| 983 | if (err != 0) |
| 984 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 985 | } |
| 986 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 987 | PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 988 | PyRun_String(char *str, int start, PyObject *globals, PyObject *locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 989 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 990 | return run_err_node(PyParser_SimpleParseString(str, start), |
Jeremy Hylton | 9f324e9 | 2001-03-01 22:59:14 +0000 | [diff] [blame] | 991 | "<string>", globals, locals, NULL); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 992 | } |
| 993 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 994 | PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 995 | PyRun_File(FILE *fp, char *filename, int start, PyObject *globals, |
| 996 | PyObject *locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 997 | { |
Tim Peters | e868211 | 2000-08-27 20:18:17 +0000 | [diff] [blame] | 998 | return PyRun_FileEx(fp, filename, start, globals, locals, 0); |
Guido van Rossum | 0df002c | 2000-08-27 19:21:52 +0000 | [diff] [blame] | 999 | } |
| 1000 | |
| 1001 | PyObject * |
| 1002 | PyRun_FileEx(FILE *fp, char *filename, int start, PyObject *globals, |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 1003 | PyObject *locals, int closeit) |
Guido van Rossum | 0df002c | 2000-08-27 19:21:52 +0000 | [diff] [blame] | 1004 | { |
| 1005 | node *n = PyParser_SimpleParseFile(fp, filename, start); |
| 1006 | if (closeit) |
| 1007 | fclose(fp); |
Jeremy Hylton | 9f324e9 | 2001-03-01 22:59:14 +0000 | [diff] [blame] | 1008 | return run_err_node(n, filename, globals, locals, NULL); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1009 | } |
| 1010 | |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 1011 | PyObject * |
| 1012 | PyRun_StringFlags(char *str, int start, PyObject *globals, PyObject *locals, |
| 1013 | PyCompilerFlags *flags) |
| 1014 | { |
Guido van Rossum | a1b3a47 | 2001-07-16 16:51:33 +0000 | [diff] [blame] | 1015 | return run_err_node(PyParser_SimpleParseStringFlags( |
| 1016 | str, start, |
| 1017 | (flags && flags->cf_flags & PyCF_GENERATORS) ? |
| 1018 | PyPARSE_YIELD_IS_KEYWORD : 0), |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 1019 | "<string>", globals, locals, flags); |
| 1020 | } |
| 1021 | |
| 1022 | PyObject * |
| 1023 | PyRun_FileFlags(FILE *fp, char *filename, int start, PyObject *globals, |
| 1024 | PyObject *locals, PyCompilerFlags *flags) |
| 1025 | { |
| 1026 | return PyRun_FileExFlags(fp, filename, start, globals, locals, 0, |
| 1027 | flags); |
| 1028 | } |
| 1029 | |
| 1030 | PyObject * |
| 1031 | PyRun_FileExFlags(FILE *fp, char *filename, int start, PyObject *globals, |
| 1032 | PyObject *locals, int closeit, PyCompilerFlags *flags) |
| 1033 | { |
Tim Peters | fe2127d | 2001-07-16 05:37:24 +0000 | [diff] [blame] | 1034 | node *n = PyParser_SimpleParseFileFlags(fp, filename, start, |
| 1035 | (flags && flags->cf_flags & PyCF_GENERATORS) ? |
| 1036 | PyPARSE_YIELD_IS_KEYWORD : 0); |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 1037 | if (closeit) |
| 1038 | fclose(fp); |
| 1039 | return run_err_node(n, filename, globals, locals, flags); |
| 1040 | } |
| 1041 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1042 | static PyObject * |
Jeremy Hylton | 9f324e9 | 2001-03-01 22:59:14 +0000 | [diff] [blame] | 1043 | run_err_node(node *n, char *filename, PyObject *globals, PyObject *locals, |
| 1044 | PyCompilerFlags *flags) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1045 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1046 | if (n == NULL) |
| 1047 | return NULL; |
Jeremy Hylton | 9f324e9 | 2001-03-01 22:59:14 +0000 | [diff] [blame] | 1048 | return run_node(n, filename, globals, locals, flags); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1049 | } |
| 1050 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1051 | static PyObject * |
Jeremy Hylton | 9f324e9 | 2001-03-01 22:59:14 +0000 | [diff] [blame] | 1052 | run_node(node *n, char *filename, PyObject *globals, PyObject *locals, |
| 1053 | PyCompilerFlags *flags) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1054 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1055 | PyCodeObject *co; |
| 1056 | PyObject *v; |
Jeremy Hylton | 9f324e9 | 2001-03-01 22:59:14 +0000 | [diff] [blame] | 1057 | co = PyNode_CompileFlags(n, filename, flags); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1058 | PyNode_Free(n); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1059 | if (co == NULL) |
| 1060 | return NULL; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1061 | v = PyEval_EvalCode(co, globals, locals); |
| 1062 | Py_DECREF(co); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1063 | return v; |
| 1064 | } |
| 1065 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1066 | static PyObject * |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 1067 | run_pyc_file(FILE *fp, char *filename, PyObject *globals, PyObject *locals, |
| 1068 | PyCompilerFlags *flags) |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 1069 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1070 | PyCodeObject *co; |
| 1071 | PyObject *v; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 1072 | long magic; |
Fred Drake | e8de31c | 2000-08-31 05:38:39 +0000 | [diff] [blame] | 1073 | long PyImport_GetMagicNumber(void); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 1074 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1075 | magic = PyMarshal_ReadLongFromFile(fp); |
| 1076 | if (magic != PyImport_GetMagicNumber()) { |
| 1077 | PyErr_SetString(PyExc_RuntimeError, |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 1078 | "Bad magic number in .pyc file"); |
| 1079 | return NULL; |
| 1080 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1081 | (void) PyMarshal_ReadLongFromFile(fp); |
Tim Peters | d9b9ac8 | 2001-01-28 00:27:39 +0000 | [diff] [blame] | 1082 | v = PyMarshal_ReadLastObjectFromFile(fp); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 1083 | fclose(fp); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1084 | if (v == NULL || !PyCode_Check(v)) { |
| 1085 | Py_XDECREF(v); |
| 1086 | PyErr_SetString(PyExc_RuntimeError, |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 1087 | "Bad code object in .pyc file"); |
| 1088 | return NULL; |
| 1089 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1090 | co = (PyCodeObject *)v; |
| 1091 | v = PyEval_EvalCode(co, globals, locals); |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 1092 | if (v && flags) { |
| 1093 | if (co->co_flags & CO_NESTED) |
Tim Peters | 5ba5866 | 2001-07-16 02:29:45 +0000 | [diff] [blame] | 1094 | flags->cf_flags |= PyCF_NESTED_SCOPES; |
Tim Peters | 51d76f1 | 2001-07-16 03:11:48 +0000 | [diff] [blame] | 1095 | if (co->co_flags & CO_GENERATOR_ALLOWED) |
Tim Peters | 5ba5866 | 2001-07-16 02:29:45 +0000 | [diff] [blame] | 1096 | flags->cf_flags |= PyCF_GENERATORS; |
Marc-André Lemburg | 464fe3a | 2001-06-13 17:18:06 +0000 | [diff] [blame] | 1097 | #if 0 |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 1098 | fprintf(stderr, "run_pyc_file: nested_scopes: %d\n", |
Tim Peters | 5ba5866 | 2001-07-16 02:29:45 +0000 | [diff] [blame] | 1099 | flags->cf_flags & PyCF_NESTED_SCOPES); |
| 1100 | fprintf(stderr, "run_pyc_file: generators: %d\n", |
| 1101 | flags->cf_flags & PyCF_GENERATORS); |
Marc-André Lemburg | 464fe3a | 2001-06-13 17:18:06 +0000 | [diff] [blame] | 1102 | #endif |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 1103 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1104 | Py_DECREF(co); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 1105 | return v; |
| 1106 | } |
| 1107 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1108 | PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 1109 | Py_CompileString(char *str, char *filename, int start) |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 1110 | { |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 1111 | return Py_CompileStringFlags(str, filename, start, NULL); |
| 1112 | } |
| 1113 | |
| 1114 | PyObject * |
| 1115 | Py_CompileStringFlags(char *str, char *filename, int start, |
| 1116 | PyCompilerFlags *flags) |
| 1117 | { |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 1118 | node *n; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1119 | PyCodeObject *co; |
Tim Peters | fe2127d | 2001-07-16 05:37:24 +0000 | [diff] [blame] | 1120 | n = PyParser_SimpleParseStringFlags(str, start, |
| 1121 | (flags && flags->cf_flags & PyCF_GENERATORS) ? |
| 1122 | PyPARSE_YIELD_IS_KEYWORD : 0); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1123 | if (n == NULL) |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 1124 | return NULL; |
Jeremy Hylton | 673a4fd | 2001-03-26 19:53:38 +0000 | [diff] [blame] | 1125 | co = PyNode_CompileFlags(n, filename, flags); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1126 | PyNode_Free(n); |
| 1127 | return (PyObject *)co; |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 1128 | } |
| 1129 | |
Jeremy Hylton | 4b38da6 | 2001-02-02 18:19:15 +0000 | [diff] [blame] | 1130 | struct symtable * |
| 1131 | Py_SymtableString(char *str, char *filename, int start) |
| 1132 | { |
| 1133 | node *n; |
| 1134 | struct symtable *st; |
| 1135 | n = PyParser_SimpleParseString(str, start); |
| 1136 | if (n == NULL) |
| 1137 | return NULL; |
| 1138 | st = PyNode_CompileSymtable(n, filename); |
| 1139 | PyNode_Free(n); |
| 1140 | return st; |
| 1141 | } |
| 1142 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1143 | /* Simplified interface to parsefile -- return node or set exception */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1144 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1145 | node * |
Tim Peters | fe2127d | 2001-07-16 05:37:24 +0000 | [diff] [blame] | 1146 | PyParser_SimpleParseFileFlags(FILE *fp, char *filename, int start, int flags) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1147 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1148 | node *n; |
| 1149 | perrdetail err; |
Tim Peters | fe2127d | 2001-07-16 05:37:24 +0000 | [diff] [blame] | 1150 | n = PyParser_ParseFileFlags(fp, filename, &_PyParser_Grammar, start, |
| 1151 | (char *)0, (char *)0, &err, flags); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1152 | if (n == NULL) |
| 1153 | err_input(&err); |
| 1154 | return n; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1155 | } |
| 1156 | |
Tim Peters | fe2127d | 2001-07-16 05:37:24 +0000 | [diff] [blame] | 1157 | node * |
| 1158 | PyParser_SimpleParseFile(FILE *fp, char *filename, int start) |
| 1159 | { |
| 1160 | return PyParser_SimpleParseFileFlags(fp, filename, start, 0); |
| 1161 | } |
| 1162 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1163 | /* Simplified interface to parsestring -- return node or set exception */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1164 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1165 | node * |
Tim Peters | fe2127d | 2001-07-16 05:37:24 +0000 | [diff] [blame] | 1166 | PyParser_SimpleParseStringFlags(char *str, int start, int flags) |
| 1167 | { |
| 1168 | node *n; |
| 1169 | perrdetail err; |
| 1170 | n = PyParser_ParseStringFlags(str, &_PyParser_Grammar, start, &err, |
| 1171 | flags); |
| 1172 | if (n == NULL) |
| 1173 | err_input(&err); |
| 1174 | return n; |
| 1175 | } |
| 1176 | |
| 1177 | node * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 1178 | PyParser_SimpleParseString(char *str, int start) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1179 | { |
Tim Peters | fe2127d | 2001-07-16 05:37:24 +0000 | [diff] [blame] | 1180 | return PyParser_SimpleParseStringFlags(str, start, 0); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1181 | } |
| 1182 | |
| 1183 | /* Set the error appropriate to the given input error code (see errcode.h) */ |
| 1184 | |
| 1185 | static void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 1186 | err_input(perrdetail *err) |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1187 | { |
Fred Drake | 85f3639 | 2000-07-11 17:53:00 +0000 | [diff] [blame] | 1188 | PyObject *v, *w, *errtype; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1189 | char *msg = NULL; |
Fred Drake | 85f3639 | 2000-07-11 17:53:00 +0000 | [diff] [blame] | 1190 | errtype = PyExc_SyntaxError; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1191 | v = Py_BuildValue("(ziiz)", err->filename, |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1192 | err->lineno, err->offset, err->text); |
| 1193 | if (err->text != NULL) { |
Guido van Rossum | b18618d | 2000-05-03 23:44:39 +0000 | [diff] [blame] | 1194 | PyMem_DEL(err->text); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1195 | err->text = NULL; |
| 1196 | } |
| 1197 | switch (err->error) { |
| 1198 | case E_SYNTAX: |
Fred Drake | 85f3639 | 2000-07-11 17:53:00 +0000 | [diff] [blame] | 1199 | errtype = PyExc_IndentationError; |
| 1200 | if (err->expected == INDENT) |
| 1201 | msg = "expected an indented block"; |
| 1202 | else if (err->token == INDENT) |
| 1203 | msg = "unexpected indent"; |
| 1204 | else if (err->token == DEDENT) |
| 1205 | msg = "unexpected unindent"; |
| 1206 | else { |
| 1207 | errtype = PyExc_SyntaxError; |
| 1208 | msg = "invalid syntax"; |
| 1209 | } |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1210 | break; |
| 1211 | case E_TOKEN: |
| 1212 | msg = "invalid token"; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1213 | break; |
| 1214 | case E_INTR: |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1215 | PyErr_SetNone(PyExc_KeyboardInterrupt); |
Barry Warsaw | c80baa3 | 1999-01-27 16:39:40 +0000 | [diff] [blame] | 1216 | Py_XDECREF(v); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1217 | return; |
| 1218 | case E_NOMEM: |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1219 | PyErr_NoMemory(); |
Barry Warsaw | c80baa3 | 1999-01-27 16:39:40 +0000 | [diff] [blame] | 1220 | Py_XDECREF(v); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1221 | return; |
| 1222 | case E_EOF: |
| 1223 | msg = "unexpected EOF while parsing"; |
| 1224 | break; |
Fred Drake | 85f3639 | 2000-07-11 17:53:00 +0000 | [diff] [blame] | 1225 | case E_TABSPACE: |
| 1226 | errtype = PyExc_TabError; |
Guido van Rossum | 560e8ad | 1998-04-10 19:43:42 +0000 | [diff] [blame] | 1227 | msg = "inconsistent use of tabs and spaces in indentation"; |
| 1228 | break; |
Jeremy Hylton | 9498806 | 2000-06-20 19:10:44 +0000 | [diff] [blame] | 1229 | case E_OVERFLOW: |
| 1230 | msg = "expression too long"; |
| 1231 | break; |
Fred Drake | 85f3639 | 2000-07-11 17:53:00 +0000 | [diff] [blame] | 1232 | case E_DEDENT: |
| 1233 | errtype = PyExc_IndentationError; |
| 1234 | msg = "unindent does not match any outer indentation level"; |
| 1235 | break; |
| 1236 | case E_TOODEEP: |
| 1237 | errtype = PyExc_IndentationError; |
| 1238 | msg = "too many levels of indentation"; |
| 1239 | break; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1240 | default: |
| 1241 | fprintf(stderr, "error=%d\n", err->error); |
| 1242 | msg = "unknown parsing error"; |
| 1243 | break; |
| 1244 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1245 | w = Py_BuildValue("(sO)", msg, v); |
Guido van Rossum | 4131830 | 2001-03-23 04:01:07 +0000 | [diff] [blame] | 1246 | Py_XDECREF(v); |
Fred Drake | 85f3639 | 2000-07-11 17:53:00 +0000 | [diff] [blame] | 1247 | PyErr_SetObject(errtype, w); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1248 | Py_XDECREF(w); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1249 | } |
| 1250 | |
| 1251 | /* Print fatal error message and abort */ |
| 1252 | |
| 1253 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 1254 | Py_FatalError(char *msg) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1255 | { |
Guido van Rossum | 83dd6c3 | 1994-09-29 09:38:33 +0000 | [diff] [blame] | 1256 | fprintf(stderr, "Fatal Python error: %s\n", msg); |
Guido van Rossum | 8ae87c0 | 1995-01-26 00:40:38 +0000 | [diff] [blame] | 1257 | #ifdef macintosh |
| 1258 | for (;;); |
| 1259 | #endif |
Guido van Rossum | 9b38a14 | 1996-09-11 23:12:24 +0000 | [diff] [blame] | 1260 | #ifdef MS_WIN32 |
Guido van Rossum | 23c9446 | 1997-05-22 20:21:30 +0000 | [diff] [blame] | 1261 | OutputDebugString("Fatal Python error: "); |
Guido van Rossum | a44823b | 1995-03-14 15:01:17 +0000 | [diff] [blame] | 1262 | OutputDebugString(msg); |
| 1263 | OutputDebugString("\n"); |
Guido van Rossum | 0ba3536 | 1998-08-13 13:33:16 +0000 | [diff] [blame] | 1264 | #ifdef _DEBUG |
| 1265 | DebugBreak(); |
Guido van Rossum | a44823b | 1995-03-14 15:01:17 +0000 | [diff] [blame] | 1266 | #endif |
Guido van Rossum | 0ba3536 | 1998-08-13 13:33:16 +0000 | [diff] [blame] | 1267 | #endif /* MS_WIN32 */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1268 | abort(); |
| 1269 | } |
| 1270 | |
| 1271 | /* Clean up and exit */ |
| 1272 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1273 | #ifdef WITH_THREAD |
Guido van Rossum | 49b5606 | 1998-10-01 20:42:43 +0000 | [diff] [blame] | 1274 | #include "pythread.h" |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1275 | int _PyThread_Started = 0; /* Set by threadmodule.c and maybe others */ |
Guido van Rossum | f9f2e82 | 1992-08-17 08:59:08 +0000 | [diff] [blame] | 1276 | #endif |
| 1277 | |
Guido van Rossum | 2dcfc96 | 1998-10-01 16:01:57 +0000 | [diff] [blame] | 1278 | #define NEXITFUNCS 32 |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 1279 | static void (*exitfuncs[NEXITFUNCS])(void); |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1280 | static int nexitfuncs = 0; |
| 1281 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 1282 | int Py_AtExit(void (*func)(void)) |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1283 | { |
| 1284 | if (nexitfuncs >= NEXITFUNCS) |
| 1285 | return -1; |
| 1286 | exitfuncs[nexitfuncs++] = func; |
| 1287 | return 0; |
| 1288 | } |
| 1289 | |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1290 | static void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 1291 | call_sys_exitfunc(void) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1292 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1293 | PyObject *exitfunc = PySys_GetObject("exitfunc"); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1294 | |
| 1295 | if (exitfunc) { |
Fred Drake | 6a12d8d | 2001-03-23 17:34:02 +0000 | [diff] [blame] | 1296 | PyObject *res; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1297 | Py_INCREF(exitfunc); |
| 1298 | PySys_SetObject("exitfunc", (PyObject *)NULL); |
| 1299 | res = PyEval_CallObject(exitfunc, (PyObject *)NULL); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1300 | if (res == NULL) { |
Ka-Ping Yee | 26fabb0 | 2001-03-23 15:36:41 +0000 | [diff] [blame] | 1301 | if (!PyErr_ExceptionMatches(PyExc_SystemExit)) { |
| 1302 | PySys_WriteStderr("Error in sys.exitfunc:\n"); |
| 1303 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1304 | PyErr_Print(); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1305 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1306 | Py_DECREF(exitfunc); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1307 | } |
| 1308 | |
Guido van Rossum | 0829c75 | 1998-02-28 04:31:39 +0000 | [diff] [blame] | 1309 | if (Py_FlushLine()) |
| 1310 | PyErr_Clear(); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1311 | } |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1312 | |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1313 | static void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 1314 | call_ll_exitfuncs(void) |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1315 | { |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1316 | while (nexitfuncs > 0) |
| 1317 | (*exitfuncs[--nexitfuncs])(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 1318 | |
| 1319 | fflush(stdout); |
| 1320 | fflush(stderr); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1321 | } |
| 1322 | |
| 1323 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 1324 | Py_Exit(int sts) |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1325 | { |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1326 | Py_Finalize(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1327 | |
Jack Jansen | 66a8977 | 1995-10-27 13:22:14 +0000 | [diff] [blame] | 1328 | #ifdef macintosh |
| 1329 | PyMac_Exit(sts); |
| 1330 | #else |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1331 | exit(sts); |
Jack Jansen | 66a8977 | 1995-10-27 13:22:14 +0000 | [diff] [blame] | 1332 | #endif |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1333 | } |
| 1334 | |
Guido van Rossum | f1dc566 | 1993-07-05 10:31:29 +0000 | [diff] [blame] | 1335 | static void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 1336 | initsigs(void) |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1337 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1338 | #ifdef HAVE_SIGNAL_H |
| 1339 | #ifdef SIGPIPE |
| 1340 | signal(SIGPIPE, SIG_IGN); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1341 | #endif |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1342 | #endif /* HAVE_SIGNAL_H */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1343 | PyOS_InitInterrupts(); /* May imply initsignal() */ |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1344 | } |
| 1345 | |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 1346 | #ifdef Py_TRACE_REFS |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1347 | /* Ask a yes/no question */ |
| 1348 | |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1349 | int |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 1350 | _Py_AskYesNo(char *prompt) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1351 | { |
| 1352 | char buf[256]; |
| 1353 | |
Tim Peters | 6d6c1a3 | 2001-08-02 04:15:00 +0000 | [diff] [blame] | 1354 | fprintf(stderr, "%s [ny] ", prompt); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1355 | if (fgets(buf, sizeof buf, stdin) == NULL) |
| 1356 | return 0; |
| 1357 | return buf[0] == 'y' || buf[0] == 'Y'; |
| 1358 | } |
| 1359 | #endif |
| 1360 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1361 | #ifdef MPW |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1362 | |
| 1363 | /* Check for file descriptor connected to interactive device. |
| 1364 | Pretend that stdin is always interactive, other files never. */ |
| 1365 | |
| 1366 | int |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 1367 | isatty(int fd) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1368 | { |
| 1369 | return fd == fileno(stdin); |
| 1370 | } |
| 1371 | |
| 1372 | #endif |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 1373 | |
| 1374 | /* |
| 1375 | * The file descriptor fd is considered ``interactive'' if either |
| 1376 | * a) isatty(fd) is TRUE, or |
| 1377 | * b) the -i flag was given, and the filename associated with |
| 1378 | * the descriptor is NULL or "<stdin>" or "???". |
| 1379 | */ |
| 1380 | int |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 1381 | Py_FdIsInteractive(FILE *fp, char *filename) |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 1382 | { |
| 1383 | if (isatty((int)fileno(fp))) |
| 1384 | return 1; |
| 1385 | if (!Py_InteractiveFlag) |
| 1386 | return 0; |
| 1387 | return (filename == NULL) || |
| 1388 | (strcmp(filename, "<stdin>") == 0) || |
| 1389 | (strcmp(filename, "???") == 0); |
| 1390 | } |
Fredrik Lundh | 2f15b25 | 2000-08-27 19:15:31 +0000 | [diff] [blame] | 1391 | |
| 1392 | |
| 1393 | #if defined(USE_STACKCHECK) |
| 1394 | #if defined(WIN32) && defined(_MSC_VER) |
| 1395 | |
| 1396 | /* Stack checking for Microsoft C */ |
| 1397 | |
| 1398 | #include <malloc.h> |
| 1399 | #include <excpt.h> |
| 1400 | |
Fred Drake | e8de31c | 2000-08-31 05:38:39 +0000 | [diff] [blame] | 1401 | /* |
| 1402 | * Return non-zero when we run out of memory on the stack; zero otherwise. |
| 1403 | */ |
Fredrik Lundh | 2f15b25 | 2000-08-27 19:15:31 +0000 | [diff] [blame] | 1404 | int |
Fred Drake | 399739f | 2000-08-31 05:52:44 +0000 | [diff] [blame] | 1405 | PyOS_CheckStack(void) |
Fredrik Lundh | 2f15b25 | 2000-08-27 19:15:31 +0000 | [diff] [blame] | 1406 | { |
| 1407 | __try { |
| 1408 | /* _alloca throws a stack overflow exception if there's |
| 1409 | not enough space left on the stack */ |
| 1410 | _alloca(PYOS_STACK_MARGIN * sizeof(void*)); |
| 1411 | return 0; |
| 1412 | } __except (EXCEPTION_EXECUTE_HANDLER) { |
| 1413 | /* just ignore all errors */ |
| 1414 | } |
| 1415 | return 1; |
| 1416 | } |
| 1417 | |
| 1418 | #endif /* WIN32 && _MSC_VER */ |
| 1419 | |
| 1420 | /* Alternate implementations can be added here... */ |
| 1421 | |
| 1422 | #endif /* USE_STACKCHECK */ |
Guido van Rossum | 6f25618 | 2000-09-16 16:32:19 +0000 | [diff] [blame] | 1423 | |
| 1424 | |
| 1425 | /* Wrappers around sigaction() or signal(). */ |
| 1426 | |
| 1427 | PyOS_sighandler_t |
| 1428 | PyOS_getsig(int sig) |
| 1429 | { |
| 1430 | #ifdef HAVE_SIGACTION |
| 1431 | struct sigaction context; |
| 1432 | sigaction(sig, NULL, &context); |
| 1433 | return context.sa_handler; |
| 1434 | #else |
| 1435 | PyOS_sighandler_t handler; |
| 1436 | handler = signal(sig, SIG_IGN); |
| 1437 | signal(sig, handler); |
| 1438 | return handler; |
| 1439 | #endif |
| 1440 | } |
| 1441 | |
| 1442 | PyOS_sighandler_t |
| 1443 | PyOS_setsig(int sig, PyOS_sighandler_t handler) |
| 1444 | { |
| 1445 | #ifdef HAVE_SIGACTION |
| 1446 | struct sigaction context; |
| 1447 | PyOS_sighandler_t oldhandler; |
| 1448 | sigaction(sig, NULL, &context); |
| 1449 | oldhandler = context.sa_handler; |
| 1450 | context.sa_handler = handler; |
| 1451 | sigaction(sig, &context, NULL); |
| 1452 | return oldhandler; |
| 1453 | #else |
| 1454 | return signal(sig, handler); |
| 1455 | #endif |
| 1456 | } |