Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1 | |
Eric Snow | c7ec998 | 2017-05-23 23:00:52 -0700 | [diff] [blame] | 2 | /* Top level execution of Python code (including in __main__) */ |
| 3 | |
| 4 | /* To help control the interfaces between the startup, execution and |
| 5 | * shutdown code, the phases are split across separate modules (boostrap, |
| 6 | * pythonrun, shutdown) |
| 7 | */ |
| 8 | |
| 9 | /* TODO: Cull includes following phase split */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 10 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 11 | #include "Python.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 12 | |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 13 | #include "Python-ast.h" |
Victor Stinner | 621cebe | 2018-11-12 16:53:38 +0100 | [diff] [blame^] | 14 | #include "pycore_pystate.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 15 | #include "grammar.h" |
| 16 | #include "node.h" |
Fred Drake | 85f3639 | 2000-07-11 17:53:00 +0000 | [diff] [blame] | 17 | #include "token.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 18 | #include "parsetok.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 19 | #include "errcode.h" |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 20 | #include "code.h" |
Jeremy Hylton | 4b38da6 | 2001-02-02 18:19:15 +0000 | [diff] [blame] | 21 | #include "symtable.h" |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 22 | #include "ast.h" |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 23 | #include "marshal.h" |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 24 | #include "osdefs.h" |
Victor Stinner | 518e610 | 2014-03-18 02:06:38 +0100 | [diff] [blame] | 25 | #include <locale.h> |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 26 | |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 27 | #ifdef HAVE_SIGNAL_H |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 28 | #include <signal.h> |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 29 | #endif |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 30 | |
Benjamin Peterson | 80a50ac | 2009-01-02 21:24:04 +0000 | [diff] [blame] | 31 | #ifdef MS_WINDOWS |
Martin v. Löwis | 5c88d81 | 2009-01-02 20:47:48 +0000 | [diff] [blame] | 32 | #include "malloc.h" /* for alloca */ |
Benjamin Peterson | 80a50ac | 2009-01-02 21:24:04 +0000 | [diff] [blame] | 33 | #endif |
Martin v. Löwis | 5c88d81 | 2009-01-02 20:47:48 +0000 | [diff] [blame] | 34 | |
Martin v. Löwis | 6238d2b | 2002-06-30 15:26:10 +0000 | [diff] [blame] | 35 | #ifdef MS_WINDOWS |
Guido van Rossum | a44823b | 1995-03-14 15:01:17 +0000 | [diff] [blame] | 36 | #undef BYTE |
| 37 | #include "windows.h" |
| 38 | #endif |
| 39 | |
Victor Stinner | bd303c1 | 2013-11-07 23:07:29 +0100 | [diff] [blame] | 40 | _Py_IDENTIFIER(builtins); |
Victor Stinner | 0905437 | 2013-11-06 22:41:44 +0100 | [diff] [blame] | 41 | _Py_IDENTIFIER(excepthook); |
Victor Stinner | 3f36a57 | 2013-11-12 21:39:02 +0100 | [diff] [blame] | 42 | _Py_IDENTIFIER(flush); |
Victor Stinner | bd303c1 | 2013-11-07 23:07:29 +0100 | [diff] [blame] | 43 | _Py_IDENTIFIER(last_traceback); |
Victor Stinner | 0905437 | 2013-11-06 22:41:44 +0100 | [diff] [blame] | 44 | _Py_IDENTIFIER(last_type); |
| 45 | _Py_IDENTIFIER(last_value); |
Victor Stinner | bd303c1 | 2013-11-07 23:07:29 +0100 | [diff] [blame] | 46 | _Py_IDENTIFIER(ps1); |
| 47 | _Py_IDENTIFIER(ps2); |
| 48 | _Py_IDENTIFIER(stdin); |
| 49 | _Py_IDENTIFIER(stdout); |
| 50 | _Py_IDENTIFIER(stderr); |
Victor Stinner | efa7a0e | 2013-11-07 12:37:56 +0100 | [diff] [blame] | 51 | _Py_static_string(PyId_string, "<string>"); |
Victor Stinner | 0905437 | 2013-11-06 22:41:44 +0100 | [diff] [blame] | 52 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 53 | #ifdef __cplusplus |
| 54 | extern "C" { |
Neal Norwitz | 4281cef | 2006-03-04 19:58:13 +0000 | [diff] [blame] | 55 | #endif |
| 56 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 57 | extern grammar _PyParser_Grammar; /* From graminit.c */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 58 | |
Guido van Rossum | b73cc04 | 1993-11-01 16:28:59 +0000 | [diff] [blame] | 59 | /* Forward */ |
Amaury Forgeot d'Arc | 7fedbe5 | 2008-04-10 21:03:09 +0000 | [diff] [blame] | 60 | static void flush_io(void); |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 61 | static PyObject *run_mod(mod_ty, PyObject *, PyObject *, PyObject *, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 62 | PyCompilerFlags *, PyArena *); |
Martin v. Löwis | 95292d6 | 2002-12-11 14:04:59 +0000 | [diff] [blame] | 63 | static PyObject *run_pyc_file(FILE *, const char *, PyObject *, PyObject *, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 64 | PyCompilerFlags *); |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 65 | static void err_input(perrdetail *); |
Victor Stinner | 7f2fee3 | 2011-04-05 00:39:01 +0200 | [diff] [blame] | 66 | static void err_free(perrdetail *); |
xdegaye | e0582a3 | 2017-11-12 16:50:48 +0100 | [diff] [blame] | 67 | static int PyRun_InteractiveOneObjectEx(FILE *, PyObject *, PyCompilerFlags *); |
Guido van Rossum | ce3a72a | 2007-10-19 23:16:50 +0000 | [diff] [blame] | 68 | |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 69 | /* Parse input from a file and execute it */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 70 | int |
Thomas Wouters | 4d70c3d | 2006-06-08 14:42:34 +0000 | [diff] [blame] | 71 | PyRun_AnyFileExFlags(FILE *fp, const char *filename, int closeit, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 72 | PyCompilerFlags *flags) |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 73 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 74 | if (filename == NULL) |
| 75 | filename = "???"; |
| 76 | if (Py_FdIsInteractive(fp, filename)) { |
| 77 | int err = PyRun_InteractiveLoopFlags(fp, filename, flags); |
| 78 | if (closeit) |
| 79 | fclose(fp); |
| 80 | return err; |
| 81 | } |
| 82 | else |
| 83 | return PyRun_SimpleFileExFlags(fp, filename, closeit, flags); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 84 | } |
| 85 | |
| 86 | int |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 87 | PyRun_InteractiveLoopFlags(FILE *fp, const char *filename_str, PyCompilerFlags *flags) |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 88 | { |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 89 | PyObject *filename, *v; |
| 90 | int ret, err; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 91 | PyCompilerFlags local_flags; |
xdegaye | e0582a3 | 2017-11-12 16:50:48 +0100 | [diff] [blame] | 92 | int nomem_count = 0; |
Victor Stinner | 25420fe | 2017-11-20 18:12:22 -0800 | [diff] [blame] | 93 | #ifdef Py_REF_DEBUG |
Victor Stinner | caba55b | 2018-08-03 15:33:52 +0200 | [diff] [blame] | 94 | int show_ref_count = _PyInterpreterState_Get()->core_config.show_ref_count; |
Victor Stinner | 25420fe | 2017-11-20 18:12:22 -0800 | [diff] [blame] | 95 | #endif |
Jeremy Hylton | 9f324e9 | 2001-03-01 22:59:14 +0000 | [diff] [blame] | 96 | |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 97 | filename = PyUnicode_DecodeFSDefault(filename_str); |
| 98 | if (filename == NULL) { |
| 99 | PyErr_Print(); |
| 100 | return -1; |
| 101 | } |
| 102 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 103 | if (flags == NULL) { |
| 104 | flags = &local_flags; |
| 105 | local_flags.cf_flags = 0; |
| 106 | } |
Victor Stinner | 0905437 | 2013-11-06 22:41:44 +0100 | [diff] [blame] | 107 | v = _PySys_GetObjectId(&PyId_ps1); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 108 | if (v == NULL) { |
Victor Stinner | 0905437 | 2013-11-06 22:41:44 +0100 | [diff] [blame] | 109 | _PySys_SetObjectId(&PyId_ps1, v = PyUnicode_FromString(">>> ")); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 110 | Py_XDECREF(v); |
| 111 | } |
Victor Stinner | 0905437 | 2013-11-06 22:41:44 +0100 | [diff] [blame] | 112 | v = _PySys_GetObjectId(&PyId_ps2); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 113 | if (v == NULL) { |
Victor Stinner | 0905437 | 2013-11-06 22:41:44 +0100 | [diff] [blame] | 114 | _PySys_SetObjectId(&PyId_ps2, v = PyUnicode_FromString("... ")); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 115 | Py_XDECREF(v); |
| 116 | } |
xdegaye | e0582a3 | 2017-11-12 16:50:48 +0100 | [diff] [blame] | 117 | err = 0; |
| 118 | do { |
| 119 | ret = PyRun_InteractiveOneObjectEx(fp, filename, flags); |
| 120 | if (ret == -1 && PyErr_Occurred()) { |
| 121 | /* Prevent an endless loop after multiple consecutive MemoryErrors |
| 122 | * while still allowing an interactive command to fail with a |
| 123 | * MemoryError. */ |
| 124 | if (PyErr_ExceptionMatches(PyExc_MemoryError)) { |
| 125 | if (++nomem_count > 16) { |
| 126 | PyErr_Clear(); |
| 127 | err = -1; |
| 128 | break; |
| 129 | } |
| 130 | } else { |
| 131 | nomem_count = 0; |
| 132 | } |
| 133 | PyErr_Print(); |
| 134 | flush_io(); |
| 135 | } else { |
| 136 | nomem_count = 0; |
| 137 | } |
Eric Snow | dae0276 | 2017-09-14 00:35:58 -0700 | [diff] [blame] | 138 | #ifdef Py_REF_DEBUG |
Victor Stinner | 25420fe | 2017-11-20 18:12:22 -0800 | [diff] [blame] | 139 | if (show_ref_count) { |
Eric Snow | dae0276 | 2017-09-14 00:35:58 -0700 | [diff] [blame] | 140 | _PyDebug_PrintTotalRefs(); |
Victor Stinner | 25420fe | 2017-11-20 18:12:22 -0800 | [diff] [blame] | 141 | } |
Eric Snow | dae0276 | 2017-09-14 00:35:58 -0700 | [diff] [blame] | 142 | #endif |
xdegaye | e0582a3 | 2017-11-12 16:50:48 +0100 | [diff] [blame] | 143 | } while (ret != E_EOF); |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 144 | Py_DECREF(filename); |
| 145 | return err; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 146 | } |
| 147 | |
Neil Schemenauer | c24ea08 | 2002-03-22 23:53:36 +0000 | [diff] [blame] | 148 | /* compute parser flags based on compiler flags */ |
Benjamin Peterson | f5b5224 | 2009-03-02 23:31:26 +0000 | [diff] [blame] | 149 | static int PARSER_FLAGS(PyCompilerFlags *flags) |
| 150 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 151 | int parser_flags = 0; |
| 152 | if (!flags) |
| 153 | return 0; |
| 154 | if (flags->cf_flags & PyCF_DONT_IMPLY_DEDENT) |
| 155 | parser_flags |= PyPARSE_DONT_IMPLY_DEDENT; |
| 156 | if (flags->cf_flags & PyCF_IGNORE_COOKIE) |
| 157 | parser_flags |= PyPARSE_IGNORE_COOKIE; |
| 158 | if (flags->cf_flags & CO_FUTURE_BARRY_AS_BDFL) |
| 159 | parser_flags |= PyPARSE_BARRY_AS_BDFL; |
| 160 | return parser_flags; |
Benjamin Peterson | f5b5224 | 2009-03-02 23:31:26 +0000 | [diff] [blame] | 161 | } |
Neil Schemenauer | c24ea08 | 2002-03-22 23:53:36 +0000 | [diff] [blame] | 162 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 163 | #if 0 |
| 164 | /* Keep an example of flags with future keyword support. */ |
| 165 | #define PARSER_FLAGS(flags) \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 166 | ((flags) ? ((((flags)->cf_flags & PyCF_DONT_IMPLY_DEDENT) ? \ |
| 167 | PyPARSE_DONT_IMPLY_DEDENT : 0) \ |
| 168 | | ((flags)->cf_flags & CO_FUTURE_WITH_STATEMENT ? \ |
| 169 | PyPARSE_WITH_IS_KEYWORD : 0)) : 0) |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 170 | #endif |
| 171 | |
xdegaye | e0582a3 | 2017-11-12 16:50:48 +0100 | [diff] [blame] | 172 | /* A PyRun_InteractiveOneObject() auxiliary function that does not print the |
| 173 | * error on failure. */ |
| 174 | static int |
| 175 | PyRun_InteractiveOneObjectEx(FILE *fp, PyObject *filename, |
| 176 | PyCompilerFlags *flags) |
Jeremy Hylton | 9f324e9 | 2001-03-01 22:59:14 +0000 | [diff] [blame] | 177 | { |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 178 | PyObject *m, *d, *v, *w, *oenc = NULL, *mod_name; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 179 | mod_ty mod; |
| 180 | PyArena *arena; |
Serhiy Storchaka | 85b0f5b | 2016-11-20 10:16:47 +0200 | [diff] [blame] | 181 | const char *ps1 = "", *ps2 = "", *enc = NULL; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 182 | int errcode = 0; |
Martin v. Löwis | bd928fe | 2011-10-14 10:20:37 +0200 | [diff] [blame] | 183 | _Py_IDENTIFIER(encoding); |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 184 | _Py_IDENTIFIER(__main__); |
| 185 | |
| 186 | mod_name = _PyUnicode_FromId(&PyId___main__); /* borrowed */ |
| 187 | if (mod_name == NULL) { |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 188 | return -1; |
| 189 | } |
Tim Peters | fe2127d | 2001-07-16 05:37:24 +0000 | [diff] [blame] | 190 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 191 | if (fp == stdin) { |
Benjamin Peterson | fe1b22a | 2013-04-29 10:23:08 -0400 | [diff] [blame] | 192 | /* Fetch encoding from sys.stdin if possible. */ |
Victor Stinner | bd303c1 | 2013-11-07 23:07:29 +0100 | [diff] [blame] | 193 | v = _PySys_GetObjectId(&PyId_stdin); |
Benjamin Peterson | fe1b22a | 2013-04-29 10:23:08 -0400 | [diff] [blame] | 194 | if (v && v != Py_None) { |
| 195 | oenc = _PyObject_GetAttrId(v, &PyId_encoding); |
| 196 | if (oenc) |
Serhiy Storchaka | 0651583 | 2016-11-20 09:13:07 +0200 | [diff] [blame] | 197 | enc = PyUnicode_AsUTF8(oenc); |
Benjamin Peterson | fe1b22a | 2013-04-29 10:23:08 -0400 | [diff] [blame] | 198 | if (!enc) |
| 199 | PyErr_Clear(); |
| 200 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 201 | } |
Victor Stinner | 0905437 | 2013-11-06 22:41:44 +0100 | [diff] [blame] | 202 | v = _PySys_GetObjectId(&PyId_ps1); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 203 | if (v != NULL) { |
| 204 | v = PyObject_Str(v); |
| 205 | if (v == NULL) |
| 206 | PyErr_Clear(); |
Victor Stinner | 386fe71 | 2010-05-19 00:34:15 +0000 | [diff] [blame] | 207 | else if (PyUnicode_Check(v)) { |
Serhiy Storchaka | 0651583 | 2016-11-20 09:13:07 +0200 | [diff] [blame] | 208 | ps1 = PyUnicode_AsUTF8(v); |
Victor Stinner | 386fe71 | 2010-05-19 00:34:15 +0000 | [diff] [blame] | 209 | if (ps1 == NULL) { |
| 210 | PyErr_Clear(); |
| 211 | ps1 = ""; |
| 212 | } |
| 213 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 214 | } |
Victor Stinner | 0905437 | 2013-11-06 22:41:44 +0100 | [diff] [blame] | 215 | w = _PySys_GetObjectId(&PyId_ps2); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 216 | if (w != NULL) { |
| 217 | w = PyObject_Str(w); |
| 218 | if (w == NULL) |
| 219 | PyErr_Clear(); |
Victor Stinner | 386fe71 | 2010-05-19 00:34:15 +0000 | [diff] [blame] | 220 | else if (PyUnicode_Check(w)) { |
Serhiy Storchaka | 0651583 | 2016-11-20 09:13:07 +0200 | [diff] [blame] | 221 | ps2 = PyUnicode_AsUTF8(w); |
Victor Stinner | 386fe71 | 2010-05-19 00:34:15 +0000 | [diff] [blame] | 222 | if (ps2 == NULL) { |
| 223 | PyErr_Clear(); |
| 224 | ps2 = ""; |
| 225 | } |
| 226 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 227 | } |
| 228 | arena = PyArena_New(); |
| 229 | if (arena == NULL) { |
| 230 | Py_XDECREF(v); |
| 231 | Py_XDECREF(w); |
| 232 | Py_XDECREF(oenc); |
| 233 | return -1; |
| 234 | } |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 235 | mod = PyParser_ASTFromFileObject(fp, filename, enc, |
| 236 | Py_single_input, ps1, ps2, |
| 237 | flags, &errcode, arena); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 238 | Py_XDECREF(v); |
| 239 | Py_XDECREF(w); |
| 240 | Py_XDECREF(oenc); |
| 241 | if (mod == NULL) { |
| 242 | PyArena_Free(arena); |
| 243 | if (errcode == E_EOF) { |
| 244 | PyErr_Clear(); |
| 245 | return E_EOF; |
| 246 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 247 | return -1; |
| 248 | } |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 249 | m = PyImport_AddModuleObject(mod_name); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 250 | if (m == NULL) { |
| 251 | PyArena_Free(arena); |
| 252 | return -1; |
| 253 | } |
| 254 | d = PyModule_GetDict(m); |
| 255 | v = run_mod(mod, filename, d, d, flags, arena); |
| 256 | PyArena_Free(arena); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 257 | if (v == NULL) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 258 | return -1; |
| 259 | } |
| 260 | Py_DECREF(v); |
Antoine Pitrou | 9845c7e | 2014-05-11 13:42:17 +0200 | [diff] [blame] | 261 | flush_io(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 262 | return 0; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 263 | } |
| 264 | |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 265 | int |
xdegaye | e0582a3 | 2017-11-12 16:50:48 +0100 | [diff] [blame] | 266 | PyRun_InteractiveOneObject(FILE *fp, PyObject *filename, PyCompilerFlags *flags) |
| 267 | { |
| 268 | int res; |
| 269 | |
| 270 | res = PyRun_InteractiveOneObjectEx(fp, filename, flags); |
| 271 | if (res == -1) { |
| 272 | PyErr_Print(); |
| 273 | flush_io(); |
| 274 | } |
| 275 | return res; |
| 276 | } |
| 277 | |
| 278 | int |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 279 | PyRun_InteractiveOneFlags(FILE *fp, const char *filename_str, PyCompilerFlags *flags) |
| 280 | { |
| 281 | PyObject *filename; |
| 282 | int res; |
| 283 | |
| 284 | filename = PyUnicode_DecodeFSDefault(filename_str); |
| 285 | if (filename == NULL) { |
| 286 | PyErr_Print(); |
| 287 | return -1; |
| 288 | } |
| 289 | res = PyRun_InteractiveOneObject(fp, filename, flags); |
| 290 | Py_DECREF(filename); |
| 291 | return res; |
| 292 | } |
| 293 | |
| 294 | |
Martin v. Löwis | be4c0f5 | 2001-01-04 20:30:56 +0000 | [diff] [blame] | 295 | /* Check whether a file maybe a pyc file: Look at the extension, |
| 296 | the file type, and, if we may close it, at the first few bytes. */ |
| 297 | |
| 298 | static int |
Martin v. Löwis | 95292d6 | 2002-12-11 14:04:59 +0000 | [diff] [blame] | 299 | maybe_pyc_file(FILE *fp, const char* filename, const char* ext, int closeit) |
Martin v. Löwis | be4c0f5 | 2001-01-04 20:30:56 +0000 | [diff] [blame] | 300 | { |
Brett Cannon | f299abd | 2015-04-13 14:21:02 -0400 | [diff] [blame] | 301 | if (strcmp(ext, ".pyc") == 0) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 302 | return 1; |
Martin v. Löwis | be4c0f5 | 2001-01-04 20:30:56 +0000 | [diff] [blame] | 303 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 304 | /* Only look into the file if we are allowed to close it, since |
| 305 | it then should also be seekable. */ |
| 306 | if (closeit) { |
| 307 | /* Read only two bytes of the magic. If the file was opened in |
| 308 | text mode, the bytes 3 and 4 of the magic (\r\n) might not |
| 309 | be read as they are on disk. */ |
| 310 | unsigned int halfmagic = PyImport_GetMagicNumber() & 0xFFFF; |
| 311 | unsigned char buf[2]; |
| 312 | /* Mess: In case of -x, the stream is NOT at its start now, |
| 313 | and ungetc() was used to push back the first newline, |
| 314 | which makes the current stream position formally undefined, |
| 315 | and a x-platform nightmare. |
| 316 | Unfortunately, we have no direct way to know whether -x |
| 317 | was specified. So we use a terrible hack: if the current |
| 318 | stream position is not 0, we assume -x was specified, and |
| 319 | give up. Bug 132850 on SourceForge spells out the |
| 320 | hopelessness of trying anything else (fseek and ftell |
| 321 | don't work predictably x-platform for text-mode files). |
| 322 | */ |
| 323 | int ispyc = 0; |
| 324 | if (ftell(fp) == 0) { |
| 325 | if (fread(buf, 1, 2, fp) == 2 && |
| 326 | ((unsigned int)buf[1]<<8 | buf[0]) == halfmagic) |
| 327 | ispyc = 1; |
| 328 | rewind(fp); |
| 329 | } |
| 330 | return ispyc; |
| 331 | } |
| 332 | return 0; |
Tim Peters | d08e382 | 2003-04-17 15:24:21 +0000 | [diff] [blame] | 333 | } |
Martin v. Löwis | be4c0f5 | 2001-01-04 20:30:56 +0000 | [diff] [blame] | 334 | |
Antoine Pitrou | 32d483c | 2013-07-30 21:01:23 +0200 | [diff] [blame] | 335 | static int |
| 336 | set_main_loader(PyObject *d, const char *filename, const char *loader_name) |
Nick Coghlan | 85e729e | 2012-07-15 18:09:52 +1000 | [diff] [blame] | 337 | { |
Eric Snow | 32439d6 | 2015-05-02 19:15:18 -0600 | [diff] [blame] | 338 | PyObject *filename_obj, *bootstrap, *loader_type = NULL, *loader; |
Nick Coghlan | b7a5894 | 2012-07-15 23:21:08 +1000 | [diff] [blame] | 339 | int result = 0; |
Andrew Svetlov | 90c0eb2 | 2012-11-01 14:51:14 +0200 | [diff] [blame] | 340 | |
| 341 | filename_obj = PyUnicode_DecodeFSDefault(filename); |
| 342 | if (filename_obj == NULL) |
| 343 | return -1; |
Victor Stinner | caba55b | 2018-08-03 15:33:52 +0200 | [diff] [blame] | 344 | PyInterpreterState *interp = _PyInterpreterState_Get(); |
Eric Snow | 32439d6 | 2015-05-02 19:15:18 -0600 | [diff] [blame] | 345 | bootstrap = PyObject_GetAttrString(interp->importlib, |
| 346 | "_bootstrap_external"); |
| 347 | if (bootstrap != NULL) { |
| 348 | loader_type = PyObject_GetAttrString(bootstrap, loader_name); |
| 349 | Py_DECREF(bootstrap); |
| 350 | } |
Nick Coghlan | 3f94cbf | 2012-07-15 19:10:39 +1000 | [diff] [blame] | 351 | if (loader_type == NULL) { |
Andrew Svetlov | 90c0eb2 | 2012-11-01 14:51:14 +0200 | [diff] [blame] | 352 | Py_DECREF(filename_obj); |
Nick Coghlan | 3f94cbf | 2012-07-15 19:10:39 +1000 | [diff] [blame] | 353 | return -1; |
| 354 | } |
Andrew Svetlov | 90c0eb2 | 2012-11-01 14:51:14 +0200 | [diff] [blame] | 355 | loader = PyObject_CallFunction(loader_type, "sN", "__main__", filename_obj); |
Nick Coghlan | b7a5894 | 2012-07-15 23:21:08 +1000 | [diff] [blame] | 356 | Py_DECREF(loader_type); |
| 357 | if (loader == NULL) { |
Nick Coghlan | 85e729e | 2012-07-15 18:09:52 +1000 | [diff] [blame] | 358 | return -1; |
| 359 | } |
Nick Coghlan | b7a5894 | 2012-07-15 23:21:08 +1000 | [diff] [blame] | 360 | if (PyDict_SetItemString(d, "__loader__", loader) < 0) { |
| 361 | result = -1; |
| 362 | } |
Nick Coghlan | 85e729e | 2012-07-15 18:09:52 +1000 | [diff] [blame] | 363 | Py_DECREF(loader); |
Nick Coghlan | b7a5894 | 2012-07-15 23:21:08 +1000 | [diff] [blame] | 364 | return result; |
Nick Coghlan | 85e729e | 2012-07-15 18:09:52 +1000 | [diff] [blame] | 365 | } |
| 366 | |
| 367 | int |
Martin v. Löwis | 95292d6 | 2002-12-11 14:04:59 +0000 | [diff] [blame] | 368 | PyRun_SimpleFileExFlags(FILE *fp, const char *filename, int closeit, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 369 | PyCompilerFlags *flags) |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 370 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 371 | PyObject *m, *d, *v; |
| 372 | const char *ext; |
Hynek Schlawack | 5c6b3e2 | 2012-11-07 09:02:24 +0100 | [diff] [blame] | 373 | int set_file_name = 0, ret = -1; |
Victor Stinner | 0fcab4a | 2011-01-04 12:59:15 +0000 | [diff] [blame] | 374 | size_t len; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 375 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 376 | m = PyImport_AddModule("__main__"); |
| 377 | if (m == NULL) |
| 378 | return -1; |
Hynek Schlawack | 5c6b3e2 | 2012-11-07 09:02:24 +0100 | [diff] [blame] | 379 | Py_INCREF(m); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 380 | d = PyModule_GetDict(m); |
| 381 | if (PyDict_GetItemString(d, "__file__") == NULL) { |
| 382 | PyObject *f; |
Victor Stinner | 4c7c8c3 | 2010-10-16 13:14:10 +0000 | [diff] [blame] | 383 | f = PyUnicode_DecodeFSDefault(filename); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 384 | if (f == NULL) |
Hynek Schlawack | 5c6b3e2 | 2012-11-07 09:02:24 +0100 | [diff] [blame] | 385 | goto done; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 386 | if (PyDict_SetItemString(d, "__file__", f) < 0) { |
| 387 | Py_DECREF(f); |
Hynek Schlawack | 5c6b3e2 | 2012-11-07 09:02:24 +0100 | [diff] [blame] | 388 | goto done; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 389 | } |
Barry Warsaw | 916048d | 2011-09-20 14:45:44 -0400 | [diff] [blame] | 390 | if (PyDict_SetItemString(d, "__cached__", Py_None) < 0) { |
| 391 | Py_DECREF(f); |
Hynek Schlawack | 5c6b3e2 | 2012-11-07 09:02:24 +0100 | [diff] [blame] | 392 | goto done; |
Barry Warsaw | 916048d | 2011-09-20 14:45:44 -0400 | [diff] [blame] | 393 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 394 | set_file_name = 1; |
| 395 | Py_DECREF(f); |
| 396 | } |
| 397 | len = strlen(filename); |
| 398 | ext = filename + len - (len > 4 ? 4 : 0); |
| 399 | if (maybe_pyc_file(fp, filename, ext, closeit)) { |
Christian Heimes | 04ac4c1 | 2012-09-11 15:47:28 +0200 | [diff] [blame] | 400 | FILE *pyc_fp; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 401 | /* Try to run a pyc file. First, re-open in binary */ |
| 402 | if (closeit) |
| 403 | fclose(fp); |
Victor Stinner | daf4555 | 2013-08-28 00:53:59 +0200 | [diff] [blame] | 404 | if ((pyc_fp = _Py_fopen(filename, "rb")) == NULL) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 405 | fprintf(stderr, "python: Can't reopen .pyc file\n"); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 406 | goto done; |
| 407 | } |
Nick Coghlan | 85e729e | 2012-07-15 18:09:52 +1000 | [diff] [blame] | 408 | |
| 409 | if (set_main_loader(d, filename, "SourcelessFileLoader") < 0) { |
| 410 | fprintf(stderr, "python: failed to set __main__.__loader__\n"); |
| 411 | ret = -1; |
Christian Heimes | 04ac4c1 | 2012-09-11 15:47:28 +0200 | [diff] [blame] | 412 | fclose(pyc_fp); |
Nick Coghlan | 85e729e | 2012-07-15 18:09:52 +1000 | [diff] [blame] | 413 | goto done; |
| 414 | } |
Christian Heimes | 04ac4c1 | 2012-09-11 15:47:28 +0200 | [diff] [blame] | 415 | v = run_pyc_file(pyc_fp, filename, d, d, flags); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 416 | } else { |
Nick Coghlan | 85e729e | 2012-07-15 18:09:52 +1000 | [diff] [blame] | 417 | /* When running from stdin, leave __main__.__loader__ alone */ |
| 418 | if (strcmp(filename, "<stdin>") != 0 && |
| 419 | set_main_loader(d, filename, "SourceFileLoader") < 0) { |
| 420 | fprintf(stderr, "python: failed to set __main__.__loader__\n"); |
| 421 | ret = -1; |
| 422 | goto done; |
| 423 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 424 | v = PyRun_FileExFlags(fp, filename, Py_file_input, d, d, |
| 425 | closeit, flags); |
| 426 | } |
| 427 | flush_io(); |
| 428 | if (v == NULL) { |
Zackery Spytz | d8cba5d | 2018-07-03 13:47:22 -0600 | [diff] [blame] | 429 | Py_CLEAR(m); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 430 | PyErr_Print(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 431 | goto done; |
| 432 | } |
| 433 | Py_DECREF(v); |
| 434 | ret = 0; |
Guido van Rossum | d8faa36 | 2007-04-27 19:54:29 +0000 | [diff] [blame] | 435 | done: |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 436 | if (set_file_name && PyDict_DelItemString(d, "__file__")) |
| 437 | PyErr_Clear(); |
Zackery Spytz | d8cba5d | 2018-07-03 13:47:22 -0600 | [diff] [blame] | 438 | Py_XDECREF(m); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 439 | return ret; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 440 | } |
| 441 | |
| 442 | int |
Martin v. Löwis | 95292d6 | 2002-12-11 14:04:59 +0000 | [diff] [blame] | 443 | PyRun_SimpleStringFlags(const char *command, PyCompilerFlags *flags) |
Guido van Rossum | 393661d | 2001-08-31 17:40:15 +0000 | [diff] [blame] | 444 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 445 | PyObject *m, *d, *v; |
| 446 | m = PyImport_AddModule("__main__"); |
| 447 | if (m == NULL) |
| 448 | return -1; |
| 449 | d = PyModule_GetDict(m); |
| 450 | v = PyRun_StringFlags(command, Py_file_input, d, d, flags); |
| 451 | if (v == NULL) { |
| 452 | PyErr_Print(); |
| 453 | return -1; |
| 454 | } |
| 455 | Py_DECREF(v); |
| 456 | return 0; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 457 | } |
| 458 | |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 459 | static int |
Victor Stinner | efa7a0e | 2013-11-07 12:37:56 +0100 | [diff] [blame] | 460 | parse_syntax_error(PyObject *err, PyObject **message, PyObject **filename, |
| 461 | int *lineno, int *offset, PyObject **text) |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 462 | { |
Serhiy Storchaka | 56f6e76 | 2015-09-06 21:25:30 +0300 | [diff] [blame] | 463 | int hold; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 464 | PyObject *v; |
Martin v. Löwis | bd928fe | 2011-10-14 10:20:37 +0200 | [diff] [blame] | 465 | _Py_IDENTIFIER(msg); |
| 466 | _Py_IDENTIFIER(filename); |
| 467 | _Py_IDENTIFIER(lineno); |
| 468 | _Py_IDENTIFIER(offset); |
| 469 | _Py_IDENTIFIER(text); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 470 | |
Benjamin Peterson | 80d5042 | 2012-04-03 00:30:38 -0400 | [diff] [blame] | 471 | *message = NULL; |
Victor Stinner | efa7a0e | 2013-11-07 12:37:56 +0100 | [diff] [blame] | 472 | *filename = NULL; |
Benjamin Peterson | 80d5042 | 2012-04-03 00:30:38 -0400 | [diff] [blame] | 473 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 474 | /* new style errors. `err' is an instance */ |
Benjamin Peterson | 0a9a636 | 2012-04-03 00:35:36 -0400 | [diff] [blame] | 475 | *message = _PyObject_GetAttrId(err, &PyId_msg); |
Benjamin Peterson | 80d5042 | 2012-04-03 00:30:38 -0400 | [diff] [blame] | 476 | if (!*message) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 477 | goto finally; |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 478 | |
Benjamin Peterson | 0a9a636 | 2012-04-03 00:35:36 -0400 | [diff] [blame] | 479 | v = _PyObject_GetAttrId(err, &PyId_filename); |
Benjamin Peterson | 80d5042 | 2012-04-03 00:30:38 -0400 | [diff] [blame] | 480 | if (!v) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 481 | goto finally; |
Benjamin Peterson | 80d5042 | 2012-04-03 00:30:38 -0400 | [diff] [blame] | 482 | if (v == Py_None) { |
| 483 | Py_DECREF(v); |
Victor Stinner | efa7a0e | 2013-11-07 12:37:56 +0100 | [diff] [blame] | 484 | *filename = _PyUnicode_FromId(&PyId_string); |
| 485 | if (*filename == NULL) |
| 486 | goto finally; |
| 487 | Py_INCREF(*filename); |
Benjamin Peterson | 80d5042 | 2012-04-03 00:30:38 -0400 | [diff] [blame] | 488 | } |
| 489 | else { |
Victor Stinner | efa7a0e | 2013-11-07 12:37:56 +0100 | [diff] [blame] | 490 | *filename = v; |
Benjamin Peterson | 80d5042 | 2012-04-03 00:30:38 -0400 | [diff] [blame] | 491 | } |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 492 | |
Benjamin Peterson | 0a9a636 | 2012-04-03 00:35:36 -0400 | [diff] [blame] | 493 | v = _PyObject_GetAttrId(err, &PyId_lineno); |
Benjamin Peterson | 80d5042 | 2012-04-03 00:30:38 -0400 | [diff] [blame] | 494 | if (!v) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 495 | goto finally; |
Serhiy Storchaka | 56f6e76 | 2015-09-06 21:25:30 +0300 | [diff] [blame] | 496 | hold = _PyLong_AsInt(v); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 497 | Py_DECREF(v); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 498 | if (hold < 0 && PyErr_Occurred()) |
| 499 | goto finally; |
Serhiy Storchaka | 56f6e76 | 2015-09-06 21:25:30 +0300 | [diff] [blame] | 500 | *lineno = hold; |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 501 | |
Benjamin Peterson | 0a9a636 | 2012-04-03 00:35:36 -0400 | [diff] [blame] | 502 | v = _PyObject_GetAttrId(err, &PyId_offset); |
Benjamin Peterson | 80d5042 | 2012-04-03 00:30:38 -0400 | [diff] [blame] | 503 | if (!v) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 504 | goto finally; |
| 505 | if (v == Py_None) { |
| 506 | *offset = -1; |
| 507 | Py_DECREF(v); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 508 | } else { |
Serhiy Storchaka | 56f6e76 | 2015-09-06 21:25:30 +0300 | [diff] [blame] | 509 | hold = _PyLong_AsInt(v); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 510 | Py_DECREF(v); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 511 | if (hold < 0 && PyErr_Occurred()) |
| 512 | goto finally; |
Serhiy Storchaka | 56f6e76 | 2015-09-06 21:25:30 +0300 | [diff] [blame] | 513 | *offset = hold; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 514 | } |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 515 | |
Benjamin Peterson | 0a9a636 | 2012-04-03 00:35:36 -0400 | [diff] [blame] | 516 | v = _PyObject_GetAttrId(err, &PyId_text); |
Benjamin Peterson | 80d5042 | 2012-04-03 00:30:38 -0400 | [diff] [blame] | 517 | if (!v) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 518 | goto finally; |
Benjamin Peterson | 80d5042 | 2012-04-03 00:30:38 -0400 | [diff] [blame] | 519 | if (v == Py_None) { |
| 520 | Py_DECREF(v); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 521 | *text = NULL; |
Benjamin Peterson | 80d5042 | 2012-04-03 00:30:38 -0400 | [diff] [blame] | 522 | } |
| 523 | else { |
Victor Stinner | efa7a0e | 2013-11-07 12:37:56 +0100 | [diff] [blame] | 524 | *text = v; |
Benjamin Peterson | 80d5042 | 2012-04-03 00:30:38 -0400 | [diff] [blame] | 525 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 526 | return 1; |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 527 | |
| 528 | finally: |
Benjamin Peterson | 80d5042 | 2012-04-03 00:30:38 -0400 | [diff] [blame] | 529 | Py_XDECREF(*message); |
Victor Stinner | efa7a0e | 2013-11-07 12:37:56 +0100 | [diff] [blame] | 530 | Py_XDECREF(*filename); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 531 | return 0; |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 532 | } |
| 533 | |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 534 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 535 | PyErr_Print(void) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 536 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 537 | PyErr_PrintEx(1); |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 538 | } |
| 539 | |
Jeremy Hylton | 9f1b993 | 2001-02-28 07:07:43 +0000 | [diff] [blame] | 540 | static void |
Victor Stinner | efa7a0e | 2013-11-07 12:37:56 +0100 | [diff] [blame] | 541 | print_error_text(PyObject *f, int offset, PyObject *text_obj) |
Jeremy Hylton | 9f1b993 | 2001-02-28 07:07:43 +0000 | [diff] [blame] | 542 | { |
Serhiy Storchaka | 85b0f5b | 2016-11-20 10:16:47 +0200 | [diff] [blame] | 543 | const char *text; |
| 544 | const char *nl; |
Victor Stinner | efa7a0e | 2013-11-07 12:37:56 +0100 | [diff] [blame] | 545 | |
Serhiy Storchaka | 0651583 | 2016-11-20 09:13:07 +0200 | [diff] [blame] | 546 | text = PyUnicode_AsUTF8(text_obj); |
Victor Stinner | efa7a0e | 2013-11-07 12:37:56 +0100 | [diff] [blame] | 547 | if (text == NULL) |
| 548 | return; |
| 549 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 550 | if (offset >= 0) { |
Victor Stinner | 98ea54c | 2014-08-15 23:30:40 +0200 | [diff] [blame] | 551 | if (offset > 0 && (size_t)offset == strlen(text) && text[offset - 1] == '\n') |
Benjamin Peterson | a95e977 | 2010-10-29 03:28:14 +0000 | [diff] [blame] | 552 | offset--; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 553 | for (;;) { |
| 554 | nl = strchr(text, '\n'); |
| 555 | if (nl == NULL || nl-text >= offset) |
| 556 | break; |
| 557 | offset -= (int)(nl+1-text); |
| 558 | text = nl+1; |
| 559 | } |
Martin Panter | ca3263c | 2016-12-11 00:18:36 +0000 | [diff] [blame] | 560 | while (*text == ' ' || *text == '\t' || *text == '\f') { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 561 | text++; |
| 562 | offset--; |
| 563 | } |
| 564 | } |
| 565 | PyFile_WriteString(" ", f); |
| 566 | PyFile_WriteString(text, f); |
| 567 | if (*text == '\0' || text[strlen(text)-1] != '\n') |
| 568 | PyFile_WriteString("\n", f); |
| 569 | if (offset == -1) |
| 570 | return; |
| 571 | PyFile_WriteString(" ", f); |
Benjamin Peterson | a95e977 | 2010-10-29 03:28:14 +0000 | [diff] [blame] | 572 | while (--offset > 0) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 573 | PyFile_WriteString(" ", f); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 574 | PyFile_WriteString("^\n", f); |
Jeremy Hylton | 9f1b993 | 2001-02-28 07:07:43 +0000 | [diff] [blame] | 575 | } |
| 576 | |
Guido van Rossum | 66e8e86 | 2001-03-23 17:54:43 +0000 | [diff] [blame] | 577 | static void |
| 578 | handle_system_exit(void) |
Ka-Ping Yee | 26fabb0 | 2001-03-23 15:36:41 +0000 | [diff] [blame] | 579 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 580 | PyObject *exception, *value, *tb; |
| 581 | int exitcode = 0; |
Tim Peters | cf615b5 | 2003-04-19 18:47:02 +0000 | [diff] [blame] | 582 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 583 | if (Py_InspectFlag) |
| 584 | /* Don't exit if -i flag was given. This flag is set to 0 |
| 585 | * when entering interactive mode for inspecting. */ |
| 586 | return; |
Guido van Rossum | d8faa36 | 2007-04-27 19:54:29 +0000 | [diff] [blame] | 587 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 588 | PyErr_Fetch(&exception, &value, &tb); |
| 589 | fflush(stdout); |
| 590 | if (value == NULL || value == Py_None) |
| 591 | goto done; |
| 592 | if (PyExceptionInstance_Check(value)) { |
| 593 | /* The error code should be in the `code' attribute. */ |
Martin v. Löwis | bd928fe | 2011-10-14 10:20:37 +0200 | [diff] [blame] | 594 | _Py_IDENTIFIER(code); |
Martin v. Löwis | 1ee1b6f | 2011-10-10 18:11:30 +0200 | [diff] [blame] | 595 | PyObject *code = _PyObject_GetAttrId(value, &PyId_code); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 596 | if (code) { |
| 597 | Py_DECREF(value); |
| 598 | value = code; |
| 599 | if (value == Py_None) |
| 600 | goto done; |
| 601 | } |
| 602 | /* If we failed to dig out the 'code' attribute, |
| 603 | just let the else clause below print the error. */ |
| 604 | } |
| 605 | if (PyLong_Check(value)) |
| 606 | exitcode = (int)PyLong_AsLong(value); |
| 607 | else { |
Victor Stinner | bd303c1 | 2013-11-07 23:07:29 +0100 | [diff] [blame] | 608 | PyObject *sys_stderr = _PySys_GetObjectId(&PyId_stderr); |
Nick Coghlan | d979e43 | 2014-02-09 10:43:21 +1000 | [diff] [blame] | 609 | /* We clear the exception here to avoid triggering the assertion |
| 610 | * in PyObject_Str that ensures it won't silently lose exception |
| 611 | * details. |
| 612 | */ |
| 613 | PyErr_Clear(); |
Victor Stinner | 7126dbc | 2010-05-21 23:45:42 +0000 | [diff] [blame] | 614 | if (sys_stderr != NULL && sys_stderr != Py_None) { |
| 615 | PyFile_WriteObject(value, sys_stderr, Py_PRINT_RAW); |
| 616 | } else { |
| 617 | PyObject_Print(value, stderr, Py_PRINT_RAW); |
| 618 | fflush(stderr); |
| 619 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 620 | PySys_WriteStderr("\n"); |
| 621 | exitcode = 1; |
| 622 | } |
Tim Peters | cf615b5 | 2003-04-19 18:47:02 +0000 | [diff] [blame] | 623 | done: |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 624 | /* Restore and clear the exception info, in order to properly decref |
| 625 | * the exception, value, and traceback. If we just exit instead, |
| 626 | * these leak, which confuses PYTHONDUMPREFS output, and may prevent |
| 627 | * some finalizers from running. |
| 628 | */ |
| 629 | PyErr_Restore(exception, value, tb); |
| 630 | PyErr_Clear(); |
| 631 | Py_Exit(exitcode); |
| 632 | /* NOTREACHED */ |
Ka-Ping Yee | 26fabb0 | 2001-03-23 15:36:41 +0000 | [diff] [blame] | 633 | } |
| 634 | |
| 635 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 636 | PyErr_PrintEx(int set_sys_last_vars) |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 637 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 638 | PyObject *exception, *v, *tb, *hook; |
Guido van Rossum | 66e8e86 | 2001-03-23 17:54:43 +0000 | [diff] [blame] | 639 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 640 | if (PyErr_ExceptionMatches(PyExc_SystemExit)) { |
| 641 | handle_system_exit(); |
| 642 | } |
| 643 | PyErr_Fetch(&exception, &v, &tb); |
| 644 | if (exception == NULL) |
| 645 | return; |
| 646 | PyErr_NormalizeException(&exception, &v, &tb); |
| 647 | if (tb == NULL) { |
| 648 | tb = Py_None; |
| 649 | Py_INCREF(tb); |
| 650 | } |
| 651 | PyException_SetTraceback(v, tb); |
| 652 | if (exception == NULL) |
| 653 | return; |
| 654 | /* Now we know v != NULL too */ |
| 655 | if (set_sys_last_vars) { |
xdegaye | 66caacf | 2017-10-23 18:08:41 +0200 | [diff] [blame] | 656 | if (_PySys_SetObjectId(&PyId_last_type, exception) < 0) { |
| 657 | PyErr_Clear(); |
| 658 | } |
| 659 | if (_PySys_SetObjectId(&PyId_last_value, v) < 0) { |
| 660 | PyErr_Clear(); |
| 661 | } |
| 662 | if (_PySys_SetObjectId(&PyId_last_traceback, tb) < 0) { |
| 663 | PyErr_Clear(); |
| 664 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 665 | } |
Victor Stinner | 0905437 | 2013-11-06 22:41:44 +0100 | [diff] [blame] | 666 | hook = _PySys_GetObjectId(&PyId_excepthook); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 667 | if (hook) { |
Victor Stinner | 71cb64a | 2016-08-20 00:57:43 +0200 | [diff] [blame] | 668 | PyObject* stack[3]; |
| 669 | PyObject *result; |
| 670 | |
| 671 | stack[0] = exception; |
| 672 | stack[1] = v; |
| 673 | stack[2] = tb; |
Victor Stinner | 559bb6a | 2016-08-22 22:48:54 +0200 | [diff] [blame] | 674 | result = _PyObject_FastCall(hook, stack, 3); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 675 | if (result == NULL) { |
| 676 | PyObject *exception2, *v2, *tb2; |
| 677 | if (PyErr_ExceptionMatches(PyExc_SystemExit)) { |
| 678 | handle_system_exit(); |
| 679 | } |
| 680 | PyErr_Fetch(&exception2, &v2, &tb2); |
| 681 | PyErr_NormalizeException(&exception2, &v2, &tb2); |
| 682 | /* It should not be possible for exception2 or v2 |
| 683 | to be NULL. However PyErr_Display() can't |
| 684 | tolerate NULLs, so just be safe. */ |
| 685 | if (exception2 == NULL) { |
| 686 | exception2 = Py_None; |
| 687 | Py_INCREF(exception2); |
| 688 | } |
| 689 | if (v2 == NULL) { |
| 690 | v2 = Py_None; |
| 691 | Py_INCREF(v2); |
| 692 | } |
| 693 | fflush(stdout); |
| 694 | PySys_WriteStderr("Error in sys.excepthook:\n"); |
| 695 | PyErr_Display(exception2, v2, tb2); |
| 696 | PySys_WriteStderr("\nOriginal exception was:\n"); |
| 697 | PyErr_Display(exception, v, tb); |
| 698 | Py_DECREF(exception2); |
| 699 | Py_DECREF(v2); |
| 700 | Py_XDECREF(tb2); |
| 701 | } |
| 702 | Py_XDECREF(result); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 703 | } else { |
| 704 | PySys_WriteStderr("sys.excepthook is missing\n"); |
| 705 | PyErr_Display(exception, v, tb); |
| 706 | } |
| 707 | Py_XDECREF(exception); |
| 708 | Py_XDECREF(v); |
| 709 | Py_XDECREF(tb); |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 710 | } |
| 711 | |
Benjamin Peterson | e652821 | 2008-07-15 15:32:09 +0000 | [diff] [blame] | 712 | static void |
| 713 | print_exception(PyObject *f, PyObject *value) |
| 714 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 715 | int err = 0; |
| 716 | PyObject *type, *tb; |
Martin v. Löwis | 1c67dd9 | 2011-10-14 15:16:45 +0200 | [diff] [blame] | 717 | _Py_IDENTIFIER(print_file_and_line); |
Benjamin Peterson | e652821 | 2008-07-15 15:32:09 +0000 | [diff] [blame] | 718 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 719 | if (!PyExceptionInstance_Check(value)) { |
Victor Stinner | 52ce3b0 | 2013-12-09 02:10:08 +0100 | [diff] [blame] | 720 | err = PyFile_WriteString("TypeError: print_exception(): Exception expected for value, ", f); |
| 721 | err += PyFile_WriteString(Py_TYPE(value)->tp_name, f); |
| 722 | err += PyFile_WriteString(" found\n", f); |
| 723 | if (err) |
| 724 | PyErr_Clear(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 725 | return; |
| 726 | } |
Benjamin Peterson | 2658260 | 2008-08-23 20:08:07 +0000 | [diff] [blame] | 727 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 728 | Py_INCREF(value); |
| 729 | fflush(stdout); |
| 730 | type = (PyObject *) Py_TYPE(value); |
| 731 | tb = PyException_GetTraceback(value); |
| 732 | if (tb && tb != Py_None) |
| 733 | err = PyTraceBack_Print(tb, f); |
| 734 | if (err == 0 && |
Martin v. Löwis | 1c67dd9 | 2011-10-14 15:16:45 +0200 | [diff] [blame] | 735 | _PyObject_HasAttrId(value, &PyId_print_file_and_line)) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 736 | { |
Victor Stinner | efa7a0e | 2013-11-07 12:37:56 +0100 | [diff] [blame] | 737 | PyObject *message, *filename, *text; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 738 | int lineno, offset; |
| 739 | if (!parse_syntax_error(value, &message, &filename, |
| 740 | &lineno, &offset, &text)) |
| 741 | PyErr_Clear(); |
| 742 | else { |
Victor Stinner | efa7a0e | 2013-11-07 12:37:56 +0100 | [diff] [blame] | 743 | PyObject *line; |
| 744 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 745 | Py_DECREF(value); |
| 746 | value = message; |
Victor Stinner | efa7a0e | 2013-11-07 12:37:56 +0100 | [diff] [blame] | 747 | |
| 748 | line = PyUnicode_FromFormat(" File \"%U\", line %d\n", |
| 749 | filename, lineno); |
| 750 | Py_DECREF(filename); |
| 751 | if (line != NULL) { |
| 752 | PyFile_WriteObject(line, f, Py_PRINT_RAW); |
| 753 | Py_DECREF(line); |
| 754 | } |
| 755 | |
| 756 | if (text != NULL) { |
| 757 | print_error_text(f, offset, text); |
| 758 | Py_DECREF(text); |
| 759 | } |
| 760 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 761 | /* Can't be bothered to check all those |
| 762 | PyFile_WriteString() calls */ |
| 763 | if (PyErr_Occurred()) |
| 764 | err = -1; |
| 765 | } |
| 766 | } |
| 767 | if (err) { |
| 768 | /* Don't do anything else */ |
| 769 | } |
| 770 | else { |
| 771 | PyObject* moduleName; |
Serhiy Storchaka | ceeef10 | 2018-06-15 11:09:43 +0300 | [diff] [blame] | 772 | const char *className; |
Martin v. Löwis | bd928fe | 2011-10-14 10:20:37 +0200 | [diff] [blame] | 773 | _Py_IDENTIFIER(__module__); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 774 | assert(PyExceptionClass_Check(type)); |
| 775 | className = PyExceptionClass_Name(type); |
| 776 | if (className != NULL) { |
Serhiy Storchaka | ceeef10 | 2018-06-15 11:09:43 +0300 | [diff] [blame] | 777 | const char *dot = strrchr(className, '.'); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 778 | if (dot != NULL) |
| 779 | className = dot+1; |
| 780 | } |
Benjamin Peterson | e652821 | 2008-07-15 15:32:09 +0000 | [diff] [blame] | 781 | |
Martin v. Löwis | 1ee1b6f | 2011-10-10 18:11:30 +0200 | [diff] [blame] | 782 | moduleName = _PyObject_GetAttrId(type, &PyId___module__); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 783 | if (moduleName == NULL || !PyUnicode_Check(moduleName)) |
| 784 | { |
Victor Stinner | 13b21bd | 2011-05-26 14:25:13 +0200 | [diff] [blame] | 785 | Py_XDECREF(moduleName); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 786 | err = PyFile_WriteString("<unknown>", f); |
| 787 | } |
| 788 | else { |
Serhiy Storchaka | f5894dd | 2016-11-16 15:40:39 +0200 | [diff] [blame] | 789 | if (!_PyUnicode_EqualToASCIIId(moduleName, &PyId_builtins)) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 790 | { |
Victor Stinner | 937114f | 2013-11-07 00:12:30 +0100 | [diff] [blame] | 791 | err = PyFile_WriteObject(moduleName, f, Py_PRINT_RAW); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 792 | err += PyFile_WriteString(".", f); |
| 793 | } |
| 794 | Py_DECREF(moduleName); |
| 795 | } |
| 796 | if (err == 0) { |
| 797 | if (className == NULL) |
| 798 | err = PyFile_WriteString("<unknown>", f); |
| 799 | else |
| 800 | err = PyFile_WriteString(className, f); |
| 801 | } |
| 802 | } |
| 803 | if (err == 0 && (value != Py_None)) { |
| 804 | PyObject *s = PyObject_Str(value); |
| 805 | /* only print colon if the str() of the |
| 806 | object is not the empty string |
| 807 | */ |
Martin Panter | 3263f68 | 2016-02-28 03:16:11 +0000 | [diff] [blame] | 808 | if (s == NULL) { |
| 809 | PyErr_Clear(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 810 | err = -1; |
Martin Panter | 3263f68 | 2016-02-28 03:16:11 +0000 | [diff] [blame] | 811 | PyFile_WriteString(": <exception str() failed>", f); |
| 812 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 813 | else if (!PyUnicode_Check(s) || |
Victor Stinner | e251d6d | 2011-11-20 19:20:00 +0100 | [diff] [blame] | 814 | PyUnicode_GetLength(s) != 0) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 815 | err = PyFile_WriteString(": ", f); |
| 816 | if (err == 0) |
| 817 | err = PyFile_WriteObject(s, f, Py_PRINT_RAW); |
| 818 | Py_XDECREF(s); |
| 819 | } |
| 820 | /* try to write a newline in any case */ |
Martin Panter | 3263f68 | 2016-02-28 03:16:11 +0000 | [diff] [blame] | 821 | if (err < 0) { |
| 822 | PyErr_Clear(); |
| 823 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 824 | err += PyFile_WriteString("\n", f); |
| 825 | Py_XDECREF(tb); |
| 826 | Py_DECREF(value); |
| 827 | /* If an error happened here, don't show it. |
| 828 | XXX This is wrong, but too many callers rely on this behavior. */ |
| 829 | if (err != 0) |
| 830 | PyErr_Clear(); |
Benjamin Peterson | e652821 | 2008-07-15 15:32:09 +0000 | [diff] [blame] | 831 | } |
| 832 | |
Serhiy Storchaka | 2d06e84 | 2015-12-25 19:53:18 +0200 | [diff] [blame] | 833 | static const char cause_message[] = |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 834 | "\nThe above exception was the direct cause " |
| 835 | "of the following exception:\n\n"; |
Benjamin Peterson | e652821 | 2008-07-15 15:32:09 +0000 | [diff] [blame] | 836 | |
Serhiy Storchaka | 2d06e84 | 2015-12-25 19:53:18 +0200 | [diff] [blame] | 837 | static const char context_message[] = |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 838 | "\nDuring handling of the above exception, " |
| 839 | "another exception occurred:\n\n"; |
Benjamin Peterson | e652821 | 2008-07-15 15:32:09 +0000 | [diff] [blame] | 840 | |
| 841 | static void |
| 842 | print_exception_recursive(PyObject *f, PyObject *value, PyObject *seen) |
| 843 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 844 | int err = 0, res; |
| 845 | PyObject *cause, *context; |
Benjamin Peterson | e652821 | 2008-07-15 15:32:09 +0000 | [diff] [blame] | 846 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 847 | if (seen != NULL) { |
| 848 | /* Exception chaining */ |
Zane Bitter | de86073 | 2017-10-17 17:29:39 -0400 | [diff] [blame] | 849 | PyObject *value_id = PyLong_FromVoidPtr(value); |
| 850 | if (value_id == NULL || PySet_Add(seen, value_id) == -1) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 851 | PyErr_Clear(); |
| 852 | else if (PyExceptionInstance_Check(value)) { |
Zane Bitter | de86073 | 2017-10-17 17:29:39 -0400 | [diff] [blame] | 853 | PyObject *check_id = NULL; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 854 | cause = PyException_GetCause(value); |
| 855 | context = PyException_GetContext(value); |
Benjamin Peterson | d5a1c44 | 2012-05-14 22:09:31 -0700 | [diff] [blame] | 856 | if (cause) { |
Zane Bitter | de86073 | 2017-10-17 17:29:39 -0400 | [diff] [blame] | 857 | check_id = PyLong_FromVoidPtr(cause); |
| 858 | if (check_id == NULL) { |
| 859 | res = -1; |
| 860 | } else { |
| 861 | res = PySet_Contains(seen, check_id); |
| 862 | Py_DECREF(check_id); |
| 863 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 864 | if (res == -1) |
| 865 | PyErr_Clear(); |
| 866 | if (res == 0) { |
| 867 | print_exception_recursive( |
| 868 | f, cause, seen); |
| 869 | err |= PyFile_WriteString( |
| 870 | cause_message, f); |
| 871 | } |
| 872 | } |
Benjamin Peterson | d5a1c44 | 2012-05-14 22:09:31 -0700 | [diff] [blame] | 873 | else if (context && |
| 874 | !((PyBaseExceptionObject *)value)->suppress_context) { |
Zane Bitter | de86073 | 2017-10-17 17:29:39 -0400 | [diff] [blame] | 875 | check_id = PyLong_FromVoidPtr(context); |
| 876 | if (check_id == NULL) { |
| 877 | res = -1; |
| 878 | } else { |
| 879 | res = PySet_Contains(seen, check_id); |
| 880 | Py_DECREF(check_id); |
| 881 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 882 | if (res == -1) |
| 883 | PyErr_Clear(); |
| 884 | if (res == 0) { |
| 885 | print_exception_recursive( |
| 886 | f, context, seen); |
| 887 | err |= PyFile_WriteString( |
| 888 | context_message, f); |
| 889 | } |
| 890 | } |
| 891 | Py_XDECREF(context); |
| 892 | Py_XDECREF(cause); |
| 893 | } |
Zane Bitter | de86073 | 2017-10-17 17:29:39 -0400 | [diff] [blame] | 894 | Py_XDECREF(value_id); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 895 | } |
| 896 | print_exception(f, value); |
| 897 | if (err != 0) |
| 898 | PyErr_Clear(); |
Benjamin Peterson | e652821 | 2008-07-15 15:32:09 +0000 | [diff] [blame] | 899 | } |
| 900 | |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 901 | void |
| 902 | PyErr_Display(PyObject *exception, PyObject *value, PyObject *tb) |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 903 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 904 | PyObject *seen; |
Victor Stinner | bd303c1 | 2013-11-07 23:07:29 +0100 | [diff] [blame] | 905 | PyObject *f = _PySys_GetObjectId(&PyId_stderr); |
Antoine Pitrou | 24201d4 | 2013-10-13 21:53:13 +0200 | [diff] [blame] | 906 | if (PyExceptionInstance_Check(value) |
| 907 | && tb != NULL && PyTraceBack_Check(tb)) { |
| 908 | /* Put the traceback on the exception, otherwise it won't get |
| 909 | displayed. See issue #18776. */ |
| 910 | PyObject *cur_tb = PyException_GetTraceback(value); |
| 911 | if (cur_tb == NULL) |
| 912 | PyException_SetTraceback(value, tb); |
| 913 | else |
| 914 | Py_DECREF(cur_tb); |
| 915 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 916 | if (f == Py_None) { |
| 917 | /* pass */ |
| 918 | } |
| 919 | else if (f == NULL) { |
| 920 | _PyObject_Dump(value); |
| 921 | fprintf(stderr, "lost sys.stderr\n"); |
| 922 | } |
| 923 | else { |
| 924 | /* We choose to ignore seen being possibly NULL, and report |
| 925 | at least the main exception (it could be a MemoryError). |
| 926 | */ |
| 927 | seen = PySet_New(NULL); |
| 928 | if (seen == NULL) |
| 929 | PyErr_Clear(); |
| 930 | print_exception_recursive(f, value, seen); |
| 931 | Py_XDECREF(seen); |
| 932 | } |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 933 | } |
| 934 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 935 | PyObject * |
Thomas Wouters | 4d70c3d | 2006-06-08 14:42:34 +0000 | [diff] [blame] | 936 | PyRun_StringFlags(const char *str, int start, PyObject *globals, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 937 | PyObject *locals, PyCompilerFlags *flags) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 938 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 939 | PyObject *ret = NULL; |
| 940 | mod_ty mod; |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 941 | PyArena *arena; |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 942 | PyObject *filename; |
| 943 | |
| 944 | filename = _PyUnicode_FromId(&PyId_string); /* borrowed */ |
| 945 | if (filename == NULL) |
| 946 | return NULL; |
| 947 | |
| 948 | arena = PyArena_New(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 949 | if (arena == NULL) |
| 950 | return NULL; |
Guido van Rossum | 98297ee | 2007-11-06 21:34:58 +0000 | [diff] [blame] | 951 | |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 952 | mod = PyParser_ASTFromStringObject(str, filename, start, flags, arena); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 953 | if (mod != NULL) |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 954 | ret = run_mod(mod, filename, globals, locals, flags, arena); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 955 | PyArena_Free(arena); |
| 956 | return ret; |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 957 | } |
| 958 | |
| 959 | PyObject * |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 960 | PyRun_FileExFlags(FILE *fp, const char *filename_str, int start, PyObject *globals, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 961 | PyObject *locals, int closeit, PyCompilerFlags *flags) |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 962 | { |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 963 | PyObject *ret = NULL; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 964 | mod_ty mod; |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 965 | PyArena *arena = NULL; |
| 966 | PyObject *filename; |
Guido van Rossum | 98297ee | 2007-11-06 21:34:58 +0000 | [diff] [blame] | 967 | |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 968 | filename = PyUnicode_DecodeFSDefault(filename_str); |
| 969 | if (filename == NULL) |
| 970 | goto exit; |
| 971 | |
| 972 | arena = PyArena_New(); |
| 973 | if (arena == NULL) |
| 974 | goto exit; |
| 975 | |
| 976 | mod = PyParser_ASTFromFileObject(fp, filename, NULL, start, 0, 0, |
| 977 | flags, NULL, arena); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 978 | if (closeit) |
| 979 | fclose(fp); |
| 980 | if (mod == NULL) { |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 981 | goto exit; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 982 | } |
| 983 | ret = run_mod(mod, filename, globals, locals, flags, arena); |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 984 | |
| 985 | exit: |
| 986 | Py_XDECREF(filename); |
| 987 | if (arena != NULL) |
| 988 | PyArena_Free(arena); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 989 | return ret; |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 990 | } |
| 991 | |
Guido van Rossum | 6c193fa | 2007-12-05 05:14:58 +0000 | [diff] [blame] | 992 | static void |
| 993 | flush_io(void) |
| 994 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 995 | PyObject *f, *r; |
| 996 | PyObject *type, *value, *traceback; |
Amaury Forgeot d'Arc | 9ed7735 | 2008-04-04 23:25:27 +0000 | [diff] [blame] | 997 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 998 | /* Save the current exception */ |
| 999 | PyErr_Fetch(&type, &value, &traceback); |
Amaury Forgeot d'Arc | 9ed7735 | 2008-04-04 23:25:27 +0000 | [diff] [blame] | 1000 | |
Victor Stinner | bd303c1 | 2013-11-07 23:07:29 +0100 | [diff] [blame] | 1001 | f = _PySys_GetObjectId(&PyId_stderr); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1002 | if (f != NULL) { |
Victor Stinner | 3466bde | 2016-09-05 18:16:01 -0700 | [diff] [blame] | 1003 | r = _PyObject_CallMethodId(f, &PyId_flush, NULL); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1004 | if (r) |
| 1005 | Py_DECREF(r); |
| 1006 | else |
| 1007 | PyErr_Clear(); |
| 1008 | } |
Victor Stinner | bd303c1 | 2013-11-07 23:07:29 +0100 | [diff] [blame] | 1009 | f = _PySys_GetObjectId(&PyId_stdout); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1010 | if (f != NULL) { |
Victor Stinner | 3466bde | 2016-09-05 18:16:01 -0700 | [diff] [blame] | 1011 | r = _PyObject_CallMethodId(f, &PyId_flush, NULL); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1012 | if (r) |
| 1013 | Py_DECREF(r); |
| 1014 | else |
| 1015 | PyErr_Clear(); |
| 1016 | } |
Amaury Forgeot d'Arc | 9ed7735 | 2008-04-04 23:25:27 +0000 | [diff] [blame] | 1017 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1018 | PyErr_Restore(type, value, traceback); |
Guido van Rossum | 6c193fa | 2007-12-05 05:14:58 +0000 | [diff] [blame] | 1019 | } |
| 1020 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1021 | static PyObject * |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 1022 | run_mod(mod_ty mod, PyObject *filename, PyObject *globals, PyObject *locals, |
| 1023 | PyCompilerFlags *flags, PyArena *arena) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1024 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1025 | PyCodeObject *co; |
| 1026 | PyObject *v; |
Victor Stinner | 95701bd | 2013-11-06 18:41:07 +0100 | [diff] [blame] | 1027 | co = PyAST_CompileObject(mod, filename, flags, -1, arena); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1028 | if (co == NULL) |
| 1029 | return NULL; |
Martin v. Löwis | 4d0d471 | 2010-12-03 20:14:31 +0000 | [diff] [blame] | 1030 | v = PyEval_EvalCode((PyObject*)co, globals, locals); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1031 | Py_DECREF(co); |
| 1032 | return v; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1033 | } |
| 1034 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1035 | static PyObject * |
Thomas Wouters | 4d70c3d | 2006-06-08 14:42:34 +0000 | [diff] [blame] | 1036 | run_pyc_file(FILE *fp, const char *filename, PyObject *globals, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1037 | PyObject *locals, PyCompilerFlags *flags) |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 1038 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1039 | PyCodeObject *co; |
| 1040 | PyObject *v; |
| 1041 | long magic; |
| 1042 | long PyImport_GetMagicNumber(void); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 1043 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1044 | magic = PyMarshal_ReadLongFromFile(fp); |
| 1045 | if (magic != PyImport_GetMagicNumber()) { |
Victor Stinner | 5200f55 | 2015-03-18 13:56:25 +0100 | [diff] [blame] | 1046 | if (!PyErr_Occurred()) |
| 1047 | PyErr_SetString(PyExc_RuntimeError, |
| 1048 | "Bad magic number in .pyc file"); |
Zackery Spytz | ea73775 | 2018-06-23 21:15:24 -0600 | [diff] [blame] | 1049 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1050 | } |
Benjamin Peterson | 42aa93b | 2017-12-09 10:26:52 -0800 | [diff] [blame] | 1051 | /* Skip the rest of the header. */ |
| 1052 | (void) PyMarshal_ReadLongFromFile(fp); |
Antoine Pitrou | 5136ac0 | 2012-01-13 18:52:16 +0100 | [diff] [blame] | 1053 | (void) PyMarshal_ReadLongFromFile(fp); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1054 | (void) PyMarshal_ReadLongFromFile(fp); |
Zackery Spytz | ea73775 | 2018-06-23 21:15:24 -0600 | [diff] [blame] | 1055 | if (PyErr_Occurred()) { |
| 1056 | goto error; |
| 1057 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1058 | v = PyMarshal_ReadLastObjectFromFile(fp); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1059 | if (v == NULL || !PyCode_Check(v)) { |
| 1060 | Py_XDECREF(v); |
| 1061 | PyErr_SetString(PyExc_RuntimeError, |
| 1062 | "Bad code object in .pyc file"); |
Zackery Spytz | ea73775 | 2018-06-23 21:15:24 -0600 | [diff] [blame] | 1063 | goto error; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1064 | } |
Zackery Spytz | ea73775 | 2018-06-23 21:15:24 -0600 | [diff] [blame] | 1065 | fclose(fp); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1066 | co = (PyCodeObject *)v; |
Martin v. Löwis | 4d0d471 | 2010-12-03 20:14:31 +0000 | [diff] [blame] | 1067 | v = PyEval_EvalCode((PyObject*)co, globals, locals); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1068 | if (v && flags) |
| 1069 | flags->cf_flags |= (co->co_flags & PyCF_MASK); |
| 1070 | Py_DECREF(co); |
| 1071 | return v; |
Zackery Spytz | ea73775 | 2018-06-23 21:15:24 -0600 | [diff] [blame] | 1072 | error: |
| 1073 | fclose(fp); |
| 1074 | return NULL; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 1075 | } |
| 1076 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1077 | PyObject * |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1078 | Py_CompileStringObject(const char *str, PyObject *filename, int start, |
| 1079 | PyCompilerFlags *flags, int optimize) |
Jeremy Hylton | bc32024 | 2001-03-22 02:47:58 +0000 | [diff] [blame] | 1080 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1081 | PyCodeObject *co; |
| 1082 | mod_ty mod; |
| 1083 | PyArena *arena = PyArena_New(); |
| 1084 | if (arena == NULL) |
| 1085 | return NULL; |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 1086 | |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1087 | mod = PyParser_ASTFromStringObject(str, filename, start, flags, arena); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1088 | if (mod == NULL) { |
| 1089 | PyArena_Free(arena); |
| 1090 | return NULL; |
| 1091 | } |
| 1092 | if (flags && (flags->cf_flags & PyCF_ONLY_AST)) { |
| 1093 | PyObject *result = PyAST_mod2obj(mod); |
| 1094 | PyArena_Free(arena); |
| 1095 | return result; |
| 1096 | } |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1097 | co = PyAST_CompileObject(mod, filename, flags, optimize, arena); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1098 | PyArena_Free(arena); |
| 1099 | return (PyObject *)co; |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 1100 | } |
| 1101 | |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1102 | PyObject * |
| 1103 | Py_CompileStringExFlags(const char *str, const char *filename_str, int start, |
| 1104 | PyCompilerFlags *flags, int optimize) |
| 1105 | { |
| 1106 | PyObject *filename, *co; |
| 1107 | filename = PyUnicode_DecodeFSDefault(filename_str); |
| 1108 | if (filename == NULL) |
| 1109 | return NULL; |
| 1110 | co = Py_CompileStringObject(str, filename, start, flags, optimize); |
| 1111 | Py_DECREF(filename); |
| 1112 | return co; |
| 1113 | } |
| 1114 | |
Martin v. Löwis | 4d0d471 | 2010-12-03 20:14:31 +0000 | [diff] [blame] | 1115 | /* For use in Py_LIMITED_API */ |
| 1116 | #undef Py_CompileString |
| 1117 | PyObject * |
| 1118 | PyCompileString(const char *str, const char *filename, int start) |
| 1119 | { |
| 1120 | return Py_CompileStringFlags(str, filename, start, NULL); |
| 1121 | } |
| 1122 | |
Jeremy Hylton | 4b38da6 | 2001-02-02 18:19:15 +0000 | [diff] [blame] | 1123 | struct symtable * |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1124 | Py_SymtableStringObject(const char *str, PyObject *filename, int start) |
Jeremy Hylton | 4b38da6 | 2001-02-02 18:19:15 +0000 | [diff] [blame] | 1125 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1126 | struct symtable *st; |
| 1127 | mod_ty mod; |
| 1128 | PyCompilerFlags flags; |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1129 | PyArena *arena; |
| 1130 | |
| 1131 | arena = PyArena_New(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1132 | if (arena == NULL) |
| 1133 | return NULL; |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 1134 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1135 | flags.cf_flags = 0; |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1136 | mod = PyParser_ASTFromStringObject(str, filename, start, &flags, arena); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1137 | if (mod == NULL) { |
| 1138 | PyArena_Free(arena); |
| 1139 | return NULL; |
| 1140 | } |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1141 | st = PySymtable_BuildObject(mod, filename, 0); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1142 | PyArena_Free(arena); |
| 1143 | return st; |
Jeremy Hylton | 4b38da6 | 2001-02-02 18:19:15 +0000 | [diff] [blame] | 1144 | } |
| 1145 | |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1146 | struct symtable * |
| 1147 | Py_SymtableString(const char *str, const char *filename_str, int start) |
| 1148 | { |
| 1149 | PyObject *filename; |
| 1150 | struct symtable *st; |
| 1151 | |
| 1152 | filename = PyUnicode_DecodeFSDefault(filename_str); |
| 1153 | if (filename == NULL) |
| 1154 | return NULL; |
| 1155 | st = Py_SymtableStringObject(str, filename, start); |
| 1156 | Py_DECREF(filename); |
| 1157 | return st; |
| 1158 | } |
| 1159 | |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 1160 | /* Preferred access to parser is through AST. */ |
| 1161 | mod_ty |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1162 | PyParser_ASTFromStringObject(const char *s, PyObject *filename, int start, |
| 1163 | PyCompilerFlags *flags, PyArena *arena) |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 1164 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1165 | mod_ty mod; |
| 1166 | PyCompilerFlags localflags; |
| 1167 | perrdetail err; |
| 1168 | int iflags = PARSER_FLAGS(flags); |
Christian Heimes | 4d6ec85 | 2008-03-26 22:34:47 +0000 | [diff] [blame] | 1169 | |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1170 | node *n = PyParser_ParseStringObject(s, filename, |
| 1171 | &_PyParser_Grammar, start, &err, |
| 1172 | &iflags); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1173 | if (flags == NULL) { |
| 1174 | localflags.cf_flags = 0; |
| 1175 | flags = &localflags; |
| 1176 | } |
| 1177 | if (n) { |
| 1178 | flags->cf_flags |= iflags & PyCF_MASK; |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1179 | mod = PyAST_FromNodeObject(n, flags, filename, arena); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1180 | PyNode_Free(n); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1181 | } |
| 1182 | else { |
| 1183 | err_input(&err); |
Victor Stinner | 7f2fee3 | 2011-04-05 00:39:01 +0200 | [diff] [blame] | 1184 | mod = NULL; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1185 | } |
Victor Stinner | 7f2fee3 | 2011-04-05 00:39:01 +0200 | [diff] [blame] | 1186 | err_free(&err); |
| 1187 | return mod; |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 1188 | } |
| 1189 | |
| 1190 | mod_ty |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1191 | PyParser_ASTFromString(const char *s, const char *filename_str, int start, |
| 1192 | PyCompilerFlags *flags, PyArena *arena) |
| 1193 | { |
| 1194 | PyObject *filename; |
| 1195 | mod_ty mod; |
| 1196 | filename = PyUnicode_DecodeFSDefault(filename_str); |
| 1197 | if (filename == NULL) |
| 1198 | return NULL; |
| 1199 | mod = PyParser_ASTFromStringObject(s, filename, start, flags, arena); |
| 1200 | Py_DECREF(filename); |
| 1201 | return mod; |
| 1202 | } |
| 1203 | |
| 1204 | mod_ty |
| 1205 | PyParser_ASTFromFileObject(FILE *fp, PyObject *filename, const char* enc, |
Serhiy Storchaka | ef1585e | 2015-12-25 20:01:53 +0200 | [diff] [blame] | 1206 | int start, const char *ps1, |
| 1207 | const char *ps2, PyCompilerFlags *flags, int *errcode, |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1208 | PyArena *arena) |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 1209 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1210 | mod_ty mod; |
| 1211 | PyCompilerFlags localflags; |
| 1212 | perrdetail err; |
| 1213 | int iflags = PARSER_FLAGS(flags); |
Christian Heimes | 4d6ec85 | 2008-03-26 22:34:47 +0000 | [diff] [blame] | 1214 | |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1215 | node *n = PyParser_ParseFileObject(fp, filename, enc, |
| 1216 | &_PyParser_Grammar, |
| 1217 | start, ps1, ps2, &err, &iflags); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1218 | if (flags == NULL) { |
| 1219 | localflags.cf_flags = 0; |
| 1220 | flags = &localflags; |
| 1221 | } |
| 1222 | if (n) { |
| 1223 | flags->cf_flags |= iflags & PyCF_MASK; |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1224 | mod = PyAST_FromNodeObject(n, flags, filename, arena); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1225 | PyNode_Free(n); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1226 | } |
| 1227 | else { |
| 1228 | err_input(&err); |
| 1229 | if (errcode) |
| 1230 | *errcode = err.error; |
Victor Stinner | 7f2fee3 | 2011-04-05 00:39:01 +0200 | [diff] [blame] | 1231 | mod = NULL; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1232 | } |
Victor Stinner | 7f2fee3 | 2011-04-05 00:39:01 +0200 | [diff] [blame] | 1233 | err_free(&err); |
| 1234 | return mod; |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 1235 | } |
| 1236 | |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1237 | mod_ty |
| 1238 | PyParser_ASTFromFile(FILE *fp, const char *filename_str, const char* enc, |
Serhiy Storchaka | ef1585e | 2015-12-25 20:01:53 +0200 | [diff] [blame] | 1239 | int start, const char *ps1, |
| 1240 | const char *ps2, PyCompilerFlags *flags, int *errcode, |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 1241 | PyArena *arena) |
| 1242 | { |
| 1243 | mod_ty mod; |
| 1244 | PyObject *filename; |
| 1245 | filename = PyUnicode_DecodeFSDefault(filename_str); |
| 1246 | if (filename == NULL) |
| 1247 | return NULL; |
| 1248 | mod = PyParser_ASTFromFileObject(fp, filename, enc, start, ps1, ps2, |
| 1249 | flags, errcode, arena); |
| 1250 | Py_DECREF(filename); |
| 1251 | return mod; |
| 1252 | } |
| 1253 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1254 | /* Simplified interface to parsefile -- return node or set exception */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1255 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1256 | node * |
Martin v. Löwis | 95292d6 | 2002-12-11 14:04:59 +0000 | [diff] [blame] | 1257 | PyParser_SimpleParseFileFlags(FILE *fp, const char *filename, int start, int flags) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1258 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1259 | perrdetail err; |
| 1260 | node *n = PyParser_ParseFileFlags(fp, filename, NULL, |
| 1261 | &_PyParser_Grammar, |
| 1262 | start, NULL, NULL, &err, flags); |
| 1263 | if (n == NULL) |
| 1264 | err_input(&err); |
Victor Stinner | 7f2fee3 | 2011-04-05 00:39:01 +0200 | [diff] [blame] | 1265 | err_free(&err); |
Thomas Wouters | 4d70c3d | 2006-06-08 14:42:34 +0000 | [diff] [blame] | 1266 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1267 | return n; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1268 | } |
| 1269 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1270 | /* Simplified interface to parsestring -- return node or set exception */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1271 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1272 | node * |
Martin v. Löwis | 95292d6 | 2002-12-11 14:04:59 +0000 | [diff] [blame] | 1273 | PyParser_SimpleParseStringFlags(const char *str, int start, int flags) |
Tim Peters | fe2127d | 2001-07-16 05:37:24 +0000 | [diff] [blame] | 1274 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1275 | perrdetail err; |
| 1276 | node *n = PyParser_ParseStringFlags(str, &_PyParser_Grammar, |
| 1277 | start, &err, flags); |
| 1278 | if (n == NULL) |
| 1279 | err_input(&err); |
Victor Stinner | 7f2fee3 | 2011-04-05 00:39:01 +0200 | [diff] [blame] | 1280 | err_free(&err); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1281 | return n; |
Tim Peters | fe2127d | 2001-07-16 05:37:24 +0000 | [diff] [blame] | 1282 | } |
| 1283 | |
| 1284 | node * |
Martin v. Löwis | 95292d6 | 2002-12-11 14:04:59 +0000 | [diff] [blame] | 1285 | PyParser_SimpleParseStringFlagsFilename(const char *str, const char *filename, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1286 | int start, int flags) |
Thomas Heller | 6b17abf | 2002-07-09 09:23:27 +0000 | [diff] [blame] | 1287 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1288 | perrdetail err; |
| 1289 | node *n = PyParser_ParseStringFlagsFilename(str, filename, |
| 1290 | &_PyParser_Grammar, start, &err, flags); |
| 1291 | if (n == NULL) |
| 1292 | err_input(&err); |
Victor Stinner | 7f2fee3 | 2011-04-05 00:39:01 +0200 | [diff] [blame] | 1293 | err_free(&err); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1294 | return n; |
Thomas Heller | 6b17abf | 2002-07-09 09:23:27 +0000 | [diff] [blame] | 1295 | } |
| 1296 | |
Guido van Rossum | 66ebd91 | 2003-04-17 16:02:26 +0000 | [diff] [blame] | 1297 | /* May want to move a more generalized form of this to parsetok.c or |
| 1298 | even parser modules. */ |
| 1299 | |
| 1300 | void |
Victor Stinner | 7f2fee3 | 2011-04-05 00:39:01 +0200 | [diff] [blame] | 1301 | PyParser_ClearError(perrdetail *err) |
| 1302 | { |
| 1303 | err_free(err); |
| 1304 | } |
| 1305 | |
| 1306 | void |
Guido van Rossum | 66ebd91 | 2003-04-17 16:02:26 +0000 | [diff] [blame] | 1307 | PyParser_SetError(perrdetail *err) |
| 1308 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1309 | err_input(err); |
Guido van Rossum | 66ebd91 | 2003-04-17 16:02:26 +0000 | [diff] [blame] | 1310 | } |
| 1311 | |
Victor Stinner | 7f2fee3 | 2011-04-05 00:39:01 +0200 | [diff] [blame] | 1312 | static void |
| 1313 | err_free(perrdetail *err) |
| 1314 | { |
| 1315 | Py_CLEAR(err->filename); |
| 1316 | } |
| 1317 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1318 | /* Set the error appropriate to the given input error code (see errcode.h) */ |
| 1319 | |
| 1320 | static void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 1321 | err_input(perrdetail *err) |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1322 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1323 | PyObject *v, *w, *errtype, *errtext; |
| 1324 | PyObject *msg_obj = NULL; |
Serhiy Storchaka | e2f92de | 2017-11-11 13:06:26 +0200 | [diff] [blame] | 1325 | const char *msg = NULL; |
Serhiy Storchaka | 65fd059 | 2014-01-21 22:26:52 +0200 | [diff] [blame] | 1326 | int offset = err->offset; |
Victor Stinner | 4c7c8c3 | 2010-10-16 13:14:10 +0000 | [diff] [blame] | 1327 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1328 | errtype = PyExc_SyntaxError; |
| 1329 | switch (err->error) { |
| 1330 | case E_ERROR: |
Serhiy Storchaka | 993030a | 2018-07-12 00:17:53 +0300 | [diff] [blame] | 1331 | goto cleanup; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1332 | case E_SYNTAX: |
| 1333 | errtype = PyExc_IndentationError; |
| 1334 | if (err->expected == INDENT) |
| 1335 | msg = "expected an indented block"; |
| 1336 | else if (err->token == INDENT) |
| 1337 | msg = "unexpected indent"; |
| 1338 | else if (err->token == DEDENT) |
| 1339 | msg = "unexpected unindent"; |
Serhiy Storchaka | aba24ff | 2018-07-23 23:41:11 +0300 | [diff] [blame] | 1340 | else if (err->expected == NOTEQUAL) { |
| 1341 | errtype = PyExc_SyntaxError; |
| 1342 | msg = "with Barry as BDFL, use '<>' instead of '!='"; |
| 1343 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1344 | else { |
| 1345 | errtype = PyExc_SyntaxError; |
| 1346 | msg = "invalid syntax"; |
| 1347 | } |
| 1348 | break; |
| 1349 | case E_TOKEN: |
| 1350 | msg = "invalid token"; |
| 1351 | break; |
| 1352 | case E_EOFS: |
| 1353 | msg = "EOF while scanning triple-quoted string literal"; |
| 1354 | break; |
| 1355 | case E_EOLS: |
| 1356 | msg = "EOL while scanning string literal"; |
| 1357 | break; |
| 1358 | case E_INTR: |
| 1359 | if (!PyErr_Occurred()) |
| 1360 | PyErr_SetNone(PyExc_KeyboardInterrupt); |
| 1361 | goto cleanup; |
| 1362 | case E_NOMEM: |
| 1363 | PyErr_NoMemory(); |
| 1364 | goto cleanup; |
| 1365 | case E_EOF: |
| 1366 | msg = "unexpected EOF while parsing"; |
| 1367 | break; |
| 1368 | case E_TABSPACE: |
| 1369 | errtype = PyExc_TabError; |
| 1370 | msg = "inconsistent use of tabs and spaces in indentation"; |
| 1371 | break; |
| 1372 | case E_OVERFLOW: |
| 1373 | msg = "expression too long"; |
| 1374 | break; |
| 1375 | case E_DEDENT: |
| 1376 | errtype = PyExc_IndentationError; |
| 1377 | msg = "unindent does not match any outer indentation level"; |
| 1378 | break; |
| 1379 | case E_TOODEEP: |
| 1380 | errtype = PyExc_IndentationError; |
| 1381 | msg = "too many levels of indentation"; |
| 1382 | break; |
| 1383 | case E_DECODE: { |
| 1384 | PyObject *type, *value, *tb; |
| 1385 | PyErr_Fetch(&type, &value, &tb); |
| 1386 | msg = "unknown decode error"; |
| 1387 | if (value != NULL) |
| 1388 | msg_obj = PyObject_Str(value); |
| 1389 | Py_XDECREF(type); |
| 1390 | Py_XDECREF(value); |
| 1391 | Py_XDECREF(tb); |
| 1392 | break; |
| 1393 | } |
| 1394 | case E_LINECONT: |
| 1395 | msg = "unexpected character after line continuation character"; |
| 1396 | break; |
Martin v. Löwis | 4738340 | 2007-08-15 07:32:56 +0000 | [diff] [blame] | 1397 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1398 | case E_IDENTIFIER: |
| 1399 | msg = "invalid character in identifier"; |
| 1400 | break; |
Meador Inge | fa21bf0 | 2012-01-19 01:08:41 -0600 | [diff] [blame] | 1401 | case E_BADSINGLE: |
| 1402 | msg = "multiple statements found while compiling a single statement"; |
| 1403 | break; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1404 | default: |
| 1405 | fprintf(stderr, "error=%d\n", err->error); |
| 1406 | msg = "unknown parsing error"; |
| 1407 | break; |
| 1408 | } |
| 1409 | /* err->text may not be UTF-8 in case of decoding errors. |
| 1410 | Explicitly convert to an object. */ |
| 1411 | if (!err->text) { |
| 1412 | errtext = Py_None; |
| 1413 | Py_INCREF(Py_None); |
| 1414 | } else { |
Serhiy Storchaka | 65fd059 | 2014-01-21 22:26:52 +0200 | [diff] [blame] | 1415 | errtext = PyUnicode_DecodeUTF8(err->text, err->offset, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1416 | "replace"); |
Serhiy Storchaka | 65fd059 | 2014-01-21 22:26:52 +0200 | [diff] [blame] | 1417 | if (errtext != NULL) { |
| 1418 | Py_ssize_t len = strlen(err->text); |
| 1419 | offset = (int)PyUnicode_GET_LENGTH(errtext); |
| 1420 | if (len != err->offset) { |
| 1421 | Py_DECREF(errtext); |
| 1422 | errtext = PyUnicode_DecodeUTF8(err->text, len, |
| 1423 | "replace"); |
| 1424 | } |
| 1425 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1426 | } |
Victor Stinner | 7f2fee3 | 2011-04-05 00:39:01 +0200 | [diff] [blame] | 1427 | v = Py_BuildValue("(OiiN)", err->filename, |
Serhiy Storchaka | 65fd059 | 2014-01-21 22:26:52 +0200 | [diff] [blame] | 1428 | err->lineno, offset, errtext); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1429 | if (v != NULL) { |
| 1430 | if (msg_obj) |
| 1431 | w = Py_BuildValue("(OO)", msg_obj, v); |
| 1432 | else |
| 1433 | w = Py_BuildValue("(sO)", msg, v); |
| 1434 | } else |
| 1435 | w = NULL; |
| 1436 | Py_XDECREF(v); |
| 1437 | PyErr_SetObject(errtype, w); |
| 1438 | Py_XDECREF(w); |
Georg Brandl | 3dbca81 | 2008-07-23 16:10:53 +0000 | [diff] [blame] | 1439 | cleanup: |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1440 | Py_XDECREF(msg_obj); |
| 1441 | if (err->text != NULL) { |
| 1442 | PyObject_FREE(err->text); |
| 1443 | err->text = NULL; |
| 1444 | } |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1445 | } |
| 1446 | |
Fredrik Lundh | 2f15b25 | 2000-08-27 19:15:31 +0000 | [diff] [blame] | 1447 | |
Zachary Ware | c4821d6 | 2014-11-21 23:35:12 -0600 | [diff] [blame] | 1448 | #if defined(USE_STACKCHECK) |
| 1449 | #if defined(WIN32) && defined(_MSC_VER) |
| 1450 | |
| 1451 | /* Stack checking for Microsoft C */ |
| 1452 | |
| 1453 | #include <malloc.h> |
| 1454 | #include <excpt.h> |
| 1455 | |
| 1456 | /* |
| 1457 | * Return non-zero when we run out of memory on the stack; zero otherwise. |
| 1458 | */ |
| 1459 | int |
| 1460 | PyOS_CheckStack(void) |
| 1461 | { |
| 1462 | __try { |
| 1463 | /* alloca throws a stack overflow exception if there's |
| 1464 | not enough space left on the stack */ |
| 1465 | alloca(PYOS_STACK_MARGIN * sizeof(void*)); |
| 1466 | return 0; |
| 1467 | } __except (GetExceptionCode() == STATUS_STACK_OVERFLOW ? |
| 1468 | EXCEPTION_EXECUTE_HANDLER : |
| 1469 | EXCEPTION_CONTINUE_SEARCH) { |
| 1470 | int errcode = _resetstkoflw(); |
| 1471 | if (errcode == 0) |
| 1472 | { |
| 1473 | Py_FatalError("Could not reset the stack!"); |
| 1474 | } |
| 1475 | } |
| 1476 | return 1; |
| 1477 | } |
| 1478 | |
| 1479 | #endif /* WIN32 && _MSC_VER */ |
| 1480 | |
| 1481 | /* Alternate implementations can be added here... */ |
| 1482 | |
| 1483 | #endif /* USE_STACKCHECK */ |
| 1484 | |
Martin Panter | 46f5072 | 2016-05-26 05:35:26 +0000 | [diff] [blame] | 1485 | /* Deprecated C API functions still provided for binary compatibility */ |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 1486 | |
| 1487 | #undef PyParser_SimpleParseFile |
Benjamin Peterson | e502451 | 2018-09-12 12:06:42 -0700 | [diff] [blame] | 1488 | node * |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 1489 | PyParser_SimpleParseFile(FILE *fp, const char *filename, int start) |
| 1490 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1491 | return PyParser_SimpleParseFileFlags(fp, filename, start, 0); |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 1492 | } |
| 1493 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1494 | #undef PyParser_SimpleParseString |
Benjamin Peterson | e502451 | 2018-09-12 12:06:42 -0700 | [diff] [blame] | 1495 | node * |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 1496 | PyParser_SimpleParseString(const char *str, int start) |
| 1497 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1498 | return PyParser_SimpleParseStringFlags(str, start, 0); |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 1499 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1500 | |
| 1501 | #undef PyRun_AnyFile |
Benjamin Peterson | e502451 | 2018-09-12 12:06:42 -0700 | [diff] [blame] | 1502 | int |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1503 | PyRun_AnyFile(FILE *fp, const char *name) |
| 1504 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1505 | return PyRun_AnyFileExFlags(fp, name, 0, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1506 | } |
| 1507 | |
| 1508 | #undef PyRun_AnyFileEx |
Benjamin Peterson | e502451 | 2018-09-12 12:06:42 -0700 | [diff] [blame] | 1509 | int |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1510 | PyRun_AnyFileEx(FILE *fp, const char *name, int closeit) |
| 1511 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1512 | return PyRun_AnyFileExFlags(fp, name, closeit, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1513 | } |
| 1514 | |
| 1515 | #undef PyRun_AnyFileFlags |
Benjamin Peterson | e502451 | 2018-09-12 12:06:42 -0700 | [diff] [blame] | 1516 | int |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1517 | PyRun_AnyFileFlags(FILE *fp, const char *name, PyCompilerFlags *flags) |
| 1518 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1519 | return PyRun_AnyFileExFlags(fp, name, 0, flags); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1520 | } |
| 1521 | |
| 1522 | #undef PyRun_File |
Benjamin Peterson | e502451 | 2018-09-12 12:06:42 -0700 | [diff] [blame] | 1523 | PyObject * |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1524 | PyRun_File(FILE *fp, const char *p, int s, PyObject *g, PyObject *l) |
| 1525 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1526 | return PyRun_FileExFlags(fp, p, s, g, l, 0, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1527 | } |
| 1528 | |
| 1529 | #undef PyRun_FileEx |
Benjamin Peterson | e502451 | 2018-09-12 12:06:42 -0700 | [diff] [blame] | 1530 | PyObject * |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1531 | PyRun_FileEx(FILE *fp, const char *p, int s, PyObject *g, PyObject *l, int c) |
| 1532 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1533 | return PyRun_FileExFlags(fp, p, s, g, l, c, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1534 | } |
| 1535 | |
| 1536 | #undef PyRun_FileFlags |
Benjamin Peterson | e502451 | 2018-09-12 12:06:42 -0700 | [diff] [blame] | 1537 | PyObject * |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1538 | PyRun_FileFlags(FILE *fp, const char *p, int s, PyObject *g, PyObject *l, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1539 | PyCompilerFlags *flags) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1540 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1541 | return PyRun_FileExFlags(fp, p, s, g, l, 0, flags); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1542 | } |
| 1543 | |
| 1544 | #undef PyRun_SimpleFile |
Benjamin Peterson | e502451 | 2018-09-12 12:06:42 -0700 | [diff] [blame] | 1545 | int |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1546 | PyRun_SimpleFile(FILE *f, const char *p) |
| 1547 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1548 | return PyRun_SimpleFileExFlags(f, p, 0, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1549 | } |
| 1550 | |
| 1551 | #undef PyRun_SimpleFileEx |
Benjamin Peterson | e502451 | 2018-09-12 12:06:42 -0700 | [diff] [blame] | 1552 | int |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1553 | PyRun_SimpleFileEx(FILE *f, const char *p, int c) |
| 1554 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1555 | return PyRun_SimpleFileExFlags(f, p, c, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1556 | } |
| 1557 | |
| 1558 | |
| 1559 | #undef PyRun_String |
Benjamin Peterson | e502451 | 2018-09-12 12:06:42 -0700 | [diff] [blame] | 1560 | PyObject * |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1561 | PyRun_String(const char *str, int s, PyObject *g, PyObject *l) |
| 1562 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1563 | return PyRun_StringFlags(str, s, g, l, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1564 | } |
| 1565 | |
| 1566 | #undef PyRun_SimpleString |
Benjamin Peterson | e502451 | 2018-09-12 12:06:42 -0700 | [diff] [blame] | 1567 | int |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1568 | PyRun_SimpleString(const char *s) |
| 1569 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1570 | return PyRun_SimpleStringFlags(s, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1571 | } |
| 1572 | |
| 1573 | #undef Py_CompileString |
Benjamin Peterson | e502451 | 2018-09-12 12:06:42 -0700 | [diff] [blame] | 1574 | PyObject * |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1575 | Py_CompileString(const char *str, const char *p, int s) |
| 1576 | { |
Georg Brandl | 8334fd9 | 2010-12-04 10:26:46 +0000 | [diff] [blame] | 1577 | return Py_CompileStringExFlags(str, p, s, NULL, -1); |
| 1578 | } |
| 1579 | |
| 1580 | #undef Py_CompileStringFlags |
Benjamin Peterson | e502451 | 2018-09-12 12:06:42 -0700 | [diff] [blame] | 1581 | PyObject * |
Georg Brandl | 8334fd9 | 2010-12-04 10:26:46 +0000 | [diff] [blame] | 1582 | Py_CompileStringFlags(const char *str, const char *p, int s, |
| 1583 | PyCompilerFlags *flags) |
| 1584 | { |
| 1585 | return Py_CompileStringExFlags(str, p, s, flags, -1); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1586 | } |
| 1587 | |
| 1588 | #undef PyRun_InteractiveOne |
Benjamin Peterson | e502451 | 2018-09-12 12:06:42 -0700 | [diff] [blame] | 1589 | int |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1590 | PyRun_InteractiveOne(FILE *f, const char *p) |
| 1591 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1592 | return PyRun_InteractiveOneFlags(f, p, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1593 | } |
| 1594 | |
| 1595 | #undef PyRun_InteractiveLoop |
Benjamin Peterson | e502451 | 2018-09-12 12:06:42 -0700 | [diff] [blame] | 1596 | int |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1597 | PyRun_InteractiveLoop(FILE *f, const char *p) |
| 1598 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1599 | return PyRun_InteractiveLoopFlags(f, p, NULL); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 1600 | } |
| 1601 | |
| 1602 | #ifdef __cplusplus |
| 1603 | } |
| 1604 | #endif |