Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1 | /*********************************************************** |
Guido van Rossum | 6d023c9 | 1995-01-04 19:12:13 +0000 | [diff] [blame] | 2 | Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, |
| 3 | The Netherlands. |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 4 | |
| 5 | All Rights Reserved |
| 6 | |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 7 | Permission to use, copy, modify, and distribute this software and its |
| 8 | documentation for any purpose and without fee is hereby granted, |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 9 | provided that the above copyright notice appear in all copies and that |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 10 | both that copyright notice and this permission notice appear in |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 11 | supporting documentation, and that the names of Stichting Mathematisch |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 12 | Centrum or CWI or Corporation for National Research Initiatives or |
| 13 | CNRI not be used in advertising or publicity pertaining to |
| 14 | distribution of the software without specific, written prior |
| 15 | permission. |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 16 | |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 17 | While CWI is the initial source for this software, a modified version |
| 18 | is made available by the Corporation for National Research Initiatives |
| 19 | (CNRI) at the Internet address ftp://ftp.python.org. |
| 20 | |
| 21 | STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH |
| 22 | REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF |
| 23 | MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH |
| 24 | CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL |
| 25 | DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 26 | PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 27 | TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 28 | PERFORMANCE OF THIS SOFTWARE. |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 29 | |
| 30 | ******************************************************************/ |
| 31 | |
| 32 | /* Python interpreter top-level routines, including init/exit */ |
| 33 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 34 | #include "Python.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 35 | |
| 36 | #include "grammar.h" |
| 37 | #include "node.h" |
| 38 | #include "parsetok.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 39 | #include "errcode.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 40 | #include "compile.h" |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 41 | #include "eval.h" |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 42 | #include "marshal.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 43 | |
Guido van Rossum | 80bb965 | 1996-12-05 23:27:02 +0000 | [diff] [blame] | 44 | #ifdef HAVE_UNISTD_H |
| 45 | #include <unistd.h> |
| 46 | #endif |
| 47 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 48 | #ifdef HAVE_SIGNAL_H |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 49 | #include <signal.h> |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 50 | #endif |
| 51 | |
Guido van Rossum | 9b38a14 | 1996-09-11 23:12:24 +0000 | [diff] [blame] | 52 | #ifdef MS_WIN32 |
Guido van Rossum | a44823b | 1995-03-14 15:01:17 +0000 | [diff] [blame] | 53 | #undef BYTE |
| 54 | #include "windows.h" |
| 55 | #endif |
| 56 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 57 | extern char *Py_GetPath(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 58 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 59 | extern grammar _PyParser_Grammar; /* From graminit.c */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 60 | |
Guido van Rossum | b73cc04 | 1993-11-01 16:28:59 +0000 | [diff] [blame] | 61 | /* Forward */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 62 | static void initmain Py_PROTO((void)); |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 63 | static void initsite Py_PROTO((void)); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 64 | static PyObject *run_err_node Py_PROTO((node *n, char *filename, |
| 65 | PyObject *globals, PyObject *locals)); |
| 66 | static PyObject *run_node Py_PROTO((node *n, char *filename, |
| 67 | PyObject *globals, PyObject *locals)); |
| 68 | static PyObject *run_pyc_file Py_PROTO((FILE *fp, char *filename, |
| 69 | PyObject *globals, PyObject *locals)); |
| 70 | static void err_input Py_PROTO((perrdetail *)); |
| 71 | static void initsigs Py_PROTO((void)); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 72 | static void call_sys_exitfunc Py_PROTO((void)); |
| 73 | static void call_ll_exitfuncs Py_PROTO((void)); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 74 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 75 | int Py_DebugFlag; /* Needed by parser.c */ |
| 76 | int Py_VerboseFlag; /* Needed by import.c */ |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 77 | int Py_InteractiveFlag; /* Needed by Py_FdIsInteractive() below */ |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 78 | int Py_NoSiteFlag; /* Suppress 'import site' */ |
Guido van Rossum | 999e5e9 | 1997-10-03 19:46:02 +0000 | [diff] [blame] | 79 | int Py_UseClassExceptionsFlag = 1; /* Needed by bltinmodule.c */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 80 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 81 | static int initialized = 0; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 82 | |
Guido van Rossum | e3c0d5e | 1997-08-22 04:20:13 +0000 | [diff] [blame] | 83 | /* API to access the initialized flag -- useful for eroteric use */ |
| 84 | |
| 85 | int |
| 86 | Py_IsInitialized() |
| 87 | { |
| 88 | return initialized; |
| 89 | } |
| 90 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 91 | /* Global initializations. Can be undone by Py_Finalize(). Don't |
| 92 | call this twice without an intervening Py_Finalize() call. When |
| 93 | initializations fail, a fatal error is issued and the function does |
| 94 | not return. On return, the first thread and interpreter state have |
| 95 | been created. |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 96 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 97 | Locking: you must hold the interpreter lock while calling this. |
| 98 | (If the lock has not yet been initialized, that's equivalent to |
| 99 | having the lock, but you cannot use multiple threads.) |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 100 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 101 | */ |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 102 | |
| 103 | void |
| 104 | Py_Initialize() |
| 105 | { |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 106 | PyInterpreterState *interp; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 107 | PyThreadState *tstate; |
| 108 | PyObject *bimod, *sysmod; |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 109 | char *p; |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 110 | |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 111 | if (initialized) |
Guido van Rossum | aa61505 | 1997-08-20 22:40:18 +0000 | [diff] [blame] | 112 | return; |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 113 | initialized = 1; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 114 | |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 115 | if ((p = getenv("PYTHONDEBUG")) && *p != '\0') |
| 116 | Py_DebugFlag = 1; |
| 117 | if ((p = getenv("PYTHONVERBOSE")) && *p != '\0') |
| 118 | Py_VerboseFlag = 1; |
| 119 | |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 120 | interp = PyInterpreterState_New(); |
| 121 | if (interp == NULL) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 122 | Py_FatalError("Py_Initialize: can't make first interpreter"); |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 123 | |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 124 | tstate = PyThreadState_New(interp); |
| 125 | if (tstate == NULL) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 126 | Py_FatalError("Py_Initialize: can't make first thread"); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 127 | (void) PyThreadState_Swap(tstate); |
| 128 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 129 | interp->modules = PyDict_New(); |
| 130 | if (interp->modules == NULL) |
| 131 | Py_FatalError("Py_Initialize: can't make modules dictionary"); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 132 | |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 133 | bimod = _PyBuiltin_Init_1(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 134 | if (bimod == NULL) |
| 135 | Py_FatalError("Py_Initialize: can't initialize __builtin__"); |
Guido van Rossum | 4a1f39a | 1997-11-04 19:36:18 +0000 | [diff] [blame] | 136 | interp->builtins = PyModule_GetDict(bimod); |
| 137 | Py_INCREF(interp->builtins); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 138 | |
| 139 | sysmod = _PySys_Init(); |
| 140 | if (sysmod == NULL) |
| 141 | Py_FatalError("Py_Initialize: can't initialize sys"); |
| 142 | interp->sysdict = PyModule_GetDict(sysmod); |
| 143 | Py_INCREF(interp->sysdict); |
| 144 | _PyImport_FixupExtension("sys", "sys"); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 145 | PySys_SetPath(Py_GetPath()); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 146 | PyDict_SetItemString(interp->sysdict, "modules", |
| 147 | interp->modules); |
| 148 | |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 149 | /* phase 2 of builtins */ |
Guido van Rossum | 4a1f39a | 1997-11-04 19:36:18 +0000 | [diff] [blame] | 150 | _PyBuiltin_Init_2(interp->builtins); |
Barry Warsaw | 963b871 | 1997-09-18 16:42:02 +0000 | [diff] [blame] | 151 | _PyImport_FixupExtension("__builtin__", "__builtin__"); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 152 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 153 | _PyImport_Init(); |
| 154 | |
| 155 | initsigs(); /* Signal handling stuff, including initintr() */ |
| 156 | |
| 157 | initmain(); /* Module __main__ */ |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 158 | if (!Py_NoSiteFlag) |
| 159 | initsite(); /* Module site */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | /* Undo the effect of Py_Initialize(). |
| 163 | |
| 164 | Beware: if multiple interpreter and/or thread states exist, these |
| 165 | are not wiped out; only the current thread and interpreter state |
| 166 | are deleted. But since everything else is deleted, those other |
| 167 | interpreter and thread states should no longer be used. |
| 168 | |
| 169 | (XXX We should do better, e.g. wipe out all interpreters and |
| 170 | threads.) |
| 171 | |
| 172 | Locking: as above. |
| 173 | |
| 174 | */ |
| 175 | |
| 176 | void |
| 177 | Py_Finalize() |
| 178 | { |
| 179 | PyInterpreterState *interp; |
| 180 | PyThreadState *tstate; |
| 181 | |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 182 | call_sys_exitfunc(); |
| 183 | |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 184 | if (!initialized) |
Guido van Rossum | aa61505 | 1997-08-20 22:40:18 +0000 | [diff] [blame] | 185 | return; |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 186 | initialized = 0; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 187 | |
Guido van Rossum | 3a44e1b | 1997-11-03 21:58:47 +0000 | [diff] [blame] | 188 | /* Get current thread state and interpreter pointer */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 189 | tstate = PyThreadState_Get(); |
| 190 | interp = tstate->interp; |
| 191 | |
Guido van Rossum | 3a44e1b | 1997-11-03 21:58:47 +0000 | [diff] [blame] | 192 | /* Disable signal handling */ |
| 193 | PyOS_FiniInterrupts(); |
| 194 | |
| 195 | /* Destroy PyExc_MemoryErrorInst */ |
| 196 | _PyBuiltin_Fini_1(); |
| 197 | |
| 198 | /* Destroy all modules */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 199 | PyImport_Cleanup(); |
Guido van Rossum | 3a44e1b | 1997-11-03 21:58:47 +0000 | [diff] [blame] | 200 | |
Guido van Rossum | 4a1f39a | 1997-11-04 19:36:18 +0000 | [diff] [blame] | 201 | /* Delete current thread */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 202 | PyInterpreterState_Clear(interp); |
| 203 | PyThreadState_Swap(NULL); |
| 204 | PyInterpreterState_Delete(interp); |
| 205 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 206 | _PyImport_Fini(); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 207 | |
| 208 | /* Now we decref the exception classes. After this point nothing |
| 209 | can raise an exception. That's okay, because each Fini() method |
| 210 | below has been checked to make sure no exceptions are ever |
| 211 | raised. |
| 212 | */ |
| 213 | _PyBuiltin_Fini_2(); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 214 | PyMethod_Fini(); |
| 215 | PyFrame_Fini(); |
| 216 | PyCFunction_Fini(); |
| 217 | PyTuple_Fini(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 218 | PyString_Fini(); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 219 | PyInt_Fini(); |
| 220 | PyFloat_Fini(); |
| 221 | |
| 222 | /* XXX Still allocated: |
| 223 | - various static ad-hoc pointers to interned strings |
| 224 | - int and float free list blocks |
| 225 | - whatever various modules and libraries allocate |
| 226 | */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 227 | |
| 228 | PyGrammar_RemoveAccelerators(&_PyParser_Grammar); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 229 | |
| 230 | call_ll_exitfuncs(); |
| 231 | |
| 232 | #ifdef COUNT_ALLOCS |
| 233 | dump_counts(); |
| 234 | #endif |
| 235 | |
| 236 | #ifdef Py_REF_DEBUG |
| 237 | fprintf(stderr, "[%ld refs]\n", _Py_RefTotal); |
| 238 | #endif |
| 239 | |
| 240 | #ifdef Py_TRACE_REFS |
| 241 | if (_Py_AskYesNo("Print left references?")) { |
| 242 | _Py_PrintReferences(stderr); |
| 243 | } |
| 244 | _Py_ResetReferences(); |
| 245 | #endif /* Py_TRACE_REFS */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 246 | } |
| 247 | |
| 248 | /* Create and initialize a new interpreter and thread, and return the |
| 249 | new thread. This requires that Py_Initialize() has been called |
| 250 | first. |
| 251 | |
| 252 | Unsuccessful initialization yields a NULL pointer. Note that *no* |
| 253 | exception information is available even in this case -- the |
| 254 | exception information is held in the thread, and there is no |
| 255 | thread. |
| 256 | |
| 257 | Locking: as above. |
| 258 | |
| 259 | */ |
| 260 | |
| 261 | PyThreadState * |
| 262 | Py_NewInterpreter() |
| 263 | { |
| 264 | PyInterpreterState *interp; |
| 265 | PyThreadState *tstate, *save_tstate; |
| 266 | PyObject *bimod, *sysmod; |
| 267 | |
| 268 | if (!initialized) |
| 269 | Py_FatalError("Py_NewInterpreter: call Py_Initialize first"); |
| 270 | |
| 271 | interp = PyInterpreterState_New(); |
| 272 | if (interp == NULL) |
| 273 | return NULL; |
| 274 | |
| 275 | tstate = PyThreadState_New(interp); |
| 276 | if (tstate == NULL) { |
| 277 | PyInterpreterState_Delete(interp); |
| 278 | return NULL; |
| 279 | } |
| 280 | |
| 281 | save_tstate = PyThreadState_Swap(tstate); |
| 282 | |
| 283 | /* XXX The following is lax in error checking */ |
| 284 | |
| 285 | interp->modules = PyDict_New(); |
| 286 | |
| 287 | bimod = _PyImport_FindExtension("__builtin__", "__builtin__"); |
| 288 | if (bimod != NULL) { |
Guido van Rossum | 4a1f39a | 1997-11-04 19:36:18 +0000 | [diff] [blame] | 289 | interp->builtins = PyModule_GetDict(bimod); |
| 290 | Py_INCREF(interp->builtins); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 291 | } |
| 292 | sysmod = _PyImport_FindExtension("sys", "sys"); |
| 293 | if (bimod != NULL && sysmod != NULL) { |
| 294 | interp->sysdict = PyModule_GetDict(sysmod); |
| 295 | Py_INCREF(interp->sysdict); |
| 296 | PySys_SetPath(Py_GetPath()); |
| 297 | PyDict_SetItemString(interp->sysdict, "modules", |
| 298 | interp->modules); |
| 299 | initmain(); |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 300 | if (!Py_NoSiteFlag) |
| 301 | initsite(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 302 | } |
| 303 | |
| 304 | if (!PyErr_Occurred()) |
| 305 | return tstate; |
| 306 | |
| 307 | /* Oops, it didn't work. Undo it all. */ |
| 308 | |
| 309 | PyErr_Print(); |
| 310 | PyThreadState_Clear(tstate); |
| 311 | PyThreadState_Swap(save_tstate); |
| 312 | PyThreadState_Delete(tstate); |
| 313 | PyInterpreterState_Delete(interp); |
| 314 | |
| 315 | return NULL; |
| 316 | } |
| 317 | |
| 318 | /* Delete an interpreter and its last thread. This requires that the |
| 319 | given thread state is current, that the thread has no remaining |
| 320 | frames, and that it is its interpreter's only remaining thread. |
| 321 | It is a fatal error to violate these constraints. |
| 322 | |
| 323 | (Py_Finalize() doesn't have these constraints -- it zaps |
| 324 | everything, regardless.) |
| 325 | |
| 326 | Locking: as above. |
| 327 | |
| 328 | */ |
| 329 | |
| 330 | void |
| 331 | Py_EndInterpreter(tstate) |
| 332 | PyThreadState *tstate; |
| 333 | { |
| 334 | PyInterpreterState *interp = tstate->interp; |
| 335 | |
| 336 | if (tstate != PyThreadState_Get()) |
| 337 | Py_FatalError("Py_EndInterpreter: thread is not current"); |
| 338 | if (tstate->frame != NULL) |
| 339 | Py_FatalError("Py_EndInterpreter: thread still has a frame"); |
| 340 | if (tstate != interp->tstate_head || tstate->next != NULL) |
| 341 | Py_FatalError("Py_EndInterpreter: not the last thread"); |
| 342 | |
| 343 | PyImport_Cleanup(); |
| 344 | PyInterpreterState_Clear(interp); |
| 345 | PyThreadState_Swap(NULL); |
| 346 | PyInterpreterState_Delete(interp); |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 347 | } |
| 348 | |
| 349 | static char *progname = "python"; |
| 350 | |
| 351 | void |
| 352 | Py_SetProgramName(pn) |
| 353 | char *pn; |
| 354 | { |
| 355 | if (pn && *pn) |
| 356 | progname = pn; |
| 357 | } |
| 358 | |
| 359 | char * |
| 360 | Py_GetProgramName() |
| 361 | { |
| 362 | return progname; |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 363 | } |
| 364 | |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 365 | /* Create __main__ module */ |
| 366 | |
| 367 | static void |
| 368 | initmain() |
| 369 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 370 | PyObject *m, *d; |
| 371 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 372 | if (m == NULL) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 373 | Py_FatalError("can't create __main__ module"); |
| 374 | d = PyModule_GetDict(m); |
| 375 | if (PyDict_GetItemString(d, "__builtins__") == NULL) { |
Guido van Rossum | 858cb73 | 1997-11-19 16:15:37 +0000 | [diff] [blame^] | 376 | PyObject *bimod = PyImport_ImportModule("__builtin__"); |
| 377 | if (bimod == NULL || |
| 378 | PyDict_SetItemString(d, "__builtins__", bimod) != 0) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 379 | Py_FatalError("can't add __builtins__ to __main__"); |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 380 | } |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 381 | } |
| 382 | |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 383 | /* Import the site module (not into __main__ though) */ |
| 384 | |
| 385 | static void |
| 386 | initsite() |
| 387 | { |
| 388 | PyObject *m, *f; |
| 389 | m = PyImport_ImportModule("site"); |
| 390 | if (m == NULL) { |
| 391 | f = PySys_GetObject("stderr"); |
| 392 | if (Py_VerboseFlag) { |
| 393 | PyFile_WriteString( |
| 394 | "'import site' failed; traceback:\n", f); |
| 395 | PyErr_Print(); |
| 396 | } |
| 397 | else { |
| 398 | PyFile_WriteString( |
| 399 | "'import site' failed; use -v for traceback\n", f); |
| 400 | PyErr_Clear(); |
| 401 | } |
| 402 | } |
| 403 | else { |
| 404 | Py_DECREF(m); |
| 405 | } |
| 406 | } |
| 407 | |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 408 | /* Parse input from a file and execute it */ |
| 409 | |
| 410 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 411 | PyRun_AnyFile(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 412 | FILE *fp; |
| 413 | char *filename; |
| 414 | { |
| 415 | if (filename == NULL) |
| 416 | filename = "???"; |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 417 | if (Py_FdIsInteractive(fp, filename)) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 418 | return PyRun_InteractiveLoop(fp, filename); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 419 | else |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 420 | return PyRun_SimpleFile(fp, filename); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 421 | } |
| 422 | |
| 423 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 424 | PyRun_InteractiveLoop(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 425 | FILE *fp; |
| 426 | char *filename; |
| 427 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 428 | PyObject *v; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 429 | int ret; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 430 | v = PySys_GetObject("ps1"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 431 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 432 | PySys_SetObject("ps1", v = PyString_FromString(">>> ")); |
| 433 | Py_XDECREF(v); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 434 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 435 | v = PySys_GetObject("ps2"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 436 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 437 | PySys_SetObject("ps2", v = PyString_FromString("... ")); |
| 438 | Py_XDECREF(v); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 439 | } |
| 440 | for (;;) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 441 | ret = PyRun_InteractiveOne(fp, filename); |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 442 | #ifdef Py_REF_DEBUG |
Guido van Rossum | 6f9e433 | 1995-03-29 16:57:48 +0000 | [diff] [blame] | 443 | fprintf(stderr, "[%ld refs]\n", _Py_RefTotal); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 444 | #endif |
| 445 | if (ret == E_EOF) |
| 446 | return 0; |
| 447 | /* |
| 448 | if (ret == E_NOMEM) |
| 449 | return -1; |
| 450 | */ |
| 451 | } |
| 452 | } |
| 453 | |
| 454 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 455 | PyRun_InteractiveOne(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 456 | FILE *fp; |
| 457 | char *filename; |
| 458 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 459 | PyObject *m, *d, *v, *w; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 460 | node *n; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 461 | perrdetail err; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 462 | char *ps1, *ps2; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 463 | v = PySys_GetObject("ps1"); |
| 464 | w = PySys_GetObject("ps2"); |
| 465 | if (v != NULL && PyString_Check(v)) { |
| 466 | Py_INCREF(v); |
| 467 | ps1 = PyString_AsString(v); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 468 | } |
| 469 | else { |
| 470 | v = NULL; |
| 471 | ps1 = ""; |
| 472 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 473 | if (w != NULL && PyString_Check(w)) { |
| 474 | Py_INCREF(w); |
| 475 | ps2 = PyString_AsString(w); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 476 | } |
| 477 | else { |
| 478 | w = NULL; |
| 479 | ps2 = ""; |
| 480 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 481 | Py_BEGIN_ALLOW_THREADS |
| 482 | n = PyParser_ParseFile(fp, filename, &_PyParser_Grammar, |
Guido van Rossum | b05a5c7 | 1997-05-07 17:46:13 +0000 | [diff] [blame] | 483 | Py_single_input, ps1, ps2, &err); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 484 | Py_END_ALLOW_THREADS |
| 485 | Py_XDECREF(v); |
| 486 | Py_XDECREF(w); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 487 | if (n == NULL) { |
| 488 | if (err.error == E_EOF) { |
| 489 | if (err.text) |
| 490 | free(err.text); |
| 491 | return E_EOF; |
| 492 | } |
| 493 | err_input(&err); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 494 | PyErr_Print(); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 495 | return err.error; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 496 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 497 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 498 | if (m == NULL) |
| 499 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 500 | d = PyModule_GetDict(m); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 501 | v = run_node(n, filename, d, d); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 502 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 503 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 504 | return -1; |
| 505 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 506 | Py_DECREF(v); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 507 | if (Py_FlushLine()) |
| 508 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 509 | return 0; |
| 510 | } |
| 511 | |
| 512 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 513 | PyRun_SimpleFile(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 514 | FILE *fp; |
| 515 | char *filename; |
| 516 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 517 | PyObject *m, *d, *v; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 518 | char *ext; |
| 519 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 520 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 521 | if (m == NULL) |
| 522 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 523 | d = PyModule_GetDict(m); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 524 | ext = filename + strlen(filename) - 4; |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 525 | if (strcmp(ext, ".pyc") == 0 || strcmp(ext, ".pyo") == 0 |
Jack Jansen | bd06e96 | 1995-02-13 11:44:56 +0000 | [diff] [blame] | 526 | #ifdef macintosh |
| 527 | /* On a mac, we also assume a pyc file for types 'PYC ' and 'APPL' */ |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 528 | || getfiletype(filename) == 'PYC ' |
| 529 | || getfiletype(filename) == 'APPL' |
Jack Jansen | bd06e96 | 1995-02-13 11:44:56 +0000 | [diff] [blame] | 530 | #endif /* macintosh */ |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 531 | ) { |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 532 | /* Try to run a pyc file. First, re-open in binary */ |
Jack Jansen | e00637b | 1994-12-14 12:58:37 +0000 | [diff] [blame] | 533 | /* Don't close, done in main: fclose(fp); */ |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 534 | if( (fp = fopen(filename, "rb")) == NULL ) { |
| 535 | fprintf(stderr, "python: Can't reopen .pyc file\n"); |
| 536 | return -1; |
| 537 | } |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 538 | /* Turn on optimization if a .pyo file is given */ |
| 539 | if (strcmp(ext, ".pyo") == 0) |
| 540 | Py_OptimizeFlag = 1; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 541 | v = run_pyc_file(fp, filename, d, d); |
| 542 | } else { |
Guido van Rossum | b05a5c7 | 1997-05-07 17:46:13 +0000 | [diff] [blame] | 543 | v = PyRun_File(fp, filename, Py_file_input, d, d); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 544 | } |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 545 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 546 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 547 | return -1; |
| 548 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 549 | Py_DECREF(v); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 550 | if (Py_FlushLine()) |
| 551 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 552 | return 0; |
| 553 | } |
| 554 | |
| 555 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 556 | PyRun_SimpleString(command) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 557 | char *command; |
| 558 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 559 | PyObject *m, *d, *v; |
| 560 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 561 | if (m == NULL) |
| 562 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 563 | d = PyModule_GetDict(m); |
Guido van Rossum | b05a5c7 | 1997-05-07 17:46:13 +0000 | [diff] [blame] | 564 | v = PyRun_String(command, Py_file_input, d, d); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 565 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 566 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 567 | return -1; |
| 568 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 569 | Py_DECREF(v); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 570 | if (Py_FlushLine()) |
| 571 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 572 | return 0; |
| 573 | } |
| 574 | |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 575 | static int |
| 576 | parse_syntax_error(err, message, filename, lineno, offset, text) |
| 577 | PyObject* err; |
| 578 | PyObject** message; |
| 579 | char** filename; |
| 580 | int* lineno; |
| 581 | int* offset; |
| 582 | char** text; |
| 583 | { |
| 584 | long hold; |
| 585 | PyObject *v; |
| 586 | |
| 587 | /* old style errors */ |
| 588 | if (PyTuple_Check(err)) |
| 589 | return PyArg_Parse(err, "(O(ziiz))", message, filename, |
| 590 | lineno, offset, text); |
| 591 | |
| 592 | /* new style errors. `err' is an instance */ |
| 593 | |
| 594 | if (! (v = PyObject_GetAttrString(err, "msg"))) |
| 595 | goto finally; |
| 596 | *message = v; |
| 597 | |
| 598 | if (!(v = PyObject_GetAttrString(err, "filename"))) |
| 599 | goto finally; |
| 600 | if (v == Py_None) |
| 601 | *filename = NULL; |
| 602 | else if (! (*filename = PyString_AsString(v))) |
| 603 | goto finally; |
| 604 | |
| 605 | Py_DECREF(v); |
| 606 | if (!(v = PyObject_GetAttrString(err, "lineno"))) |
| 607 | goto finally; |
| 608 | hold = PyInt_AsLong(v); |
| 609 | Py_DECREF(v); |
| 610 | v = NULL; |
| 611 | if (hold < 0 && PyErr_Occurred()) |
| 612 | goto finally; |
| 613 | *lineno = (int)hold; |
| 614 | |
| 615 | if (!(v = PyObject_GetAttrString(err, "offset"))) |
| 616 | goto finally; |
| 617 | hold = PyInt_AsLong(v); |
| 618 | Py_DECREF(v); |
| 619 | v = NULL; |
| 620 | if (hold < 0 && PyErr_Occurred()) |
| 621 | goto finally; |
| 622 | *offset = (int)hold; |
| 623 | |
| 624 | if (!(v = PyObject_GetAttrString(err, "text"))) |
| 625 | goto finally; |
| 626 | if (v == Py_None) |
| 627 | *text = NULL; |
| 628 | else if (! (*text = PyString_AsString(v))) |
| 629 | goto finally; |
| 630 | Py_DECREF(v); |
| 631 | return 1; |
| 632 | |
| 633 | finally: |
| 634 | Py_XDECREF(v); |
| 635 | return 0; |
| 636 | } |
| 637 | |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 638 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 639 | PyErr_Print() |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 640 | { |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 641 | int err = 0; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 642 | PyObject *exception, *v, *tb, *f; |
| 643 | PyErr_Fetch(&exception, &v, &tb); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 644 | PyErr_NormalizeException(&exception, &v, &tb); |
| 645 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 646 | if (exception == NULL) |
Guido van Rossum | 296b475 | 1997-05-23 00:19:20 +0000 | [diff] [blame] | 647 | return; |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 648 | |
Barry Warsaw | 36b8f94 | 1997-08-26 18:09:48 +0000 | [diff] [blame] | 649 | if (PyErr_GivenExceptionMatches(exception, PyExc_SystemExit)) { |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 650 | err = Py_FlushLine(); |
| 651 | fflush(stdout); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 652 | if (v == NULL || v == Py_None) |
| 653 | Py_Exit(0); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 654 | if (PyInstance_Check(v)) { |
| 655 | /* we expect the error code to be store in the |
| 656 | `code' attribute |
| 657 | */ |
| 658 | PyObject *code = PyObject_GetAttrString(v, "code"); |
| 659 | if (code) { |
| 660 | Py_DECREF(v); |
| 661 | v = code; |
Guido van Rossum | aa9606f | 1997-10-03 13:53:28 +0000 | [diff] [blame] | 662 | if (v == Py_None) |
| 663 | Py_Exit(0); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 664 | } |
| 665 | /* if we failed to dig out the "code" attribute, |
| 666 | then just let the else clause below print the |
| 667 | error |
| 668 | */ |
| 669 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 670 | if (PyInt_Check(v)) |
| 671 | Py_Exit((int)PyInt_AsLong(v)); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 672 | else { |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 673 | /* OK to use real stderr here */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 674 | PyObject_Print(v, stderr, Py_PRINT_RAW); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 675 | fprintf(stderr, "\n"); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 676 | Py_Exit(1); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 677 | } |
| 678 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 679 | PySys_SetObject("last_type", exception); |
| 680 | PySys_SetObject("last_value", v); |
| 681 | PySys_SetObject("last_traceback", tb); |
| 682 | f = PySys_GetObject("stderr"); |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 683 | if (f == NULL) |
| 684 | fprintf(stderr, "lost sys.stderr\n"); |
| 685 | else { |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 686 | err = Py_FlushLine(); |
| 687 | fflush(stdout); |
| 688 | if (err == 0) |
| 689 | err = PyTraceBack_Print(tb, f); |
Barry Warsaw | 36b8f94 | 1997-08-26 18:09:48 +0000 | [diff] [blame] | 690 | if (err == 0 && |
| 691 | PyErr_GivenExceptionMatches(exception, PyExc_SyntaxError)) |
| 692 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 693 | PyObject *message; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 694 | char *filename, *text; |
| 695 | int lineno, offset; |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 696 | if (!parse_syntax_error(v, &message, &filename, |
| 697 | &lineno, &offset, &text)) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 698 | PyErr_Clear(); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 699 | else { |
| 700 | char buf[10]; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 701 | PyFile_WriteString(" File \"", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 702 | if (filename == NULL) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 703 | PyFile_WriteString("<string>", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 704 | else |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 705 | PyFile_WriteString(filename, f); |
| 706 | PyFile_WriteString("\", line ", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 707 | sprintf(buf, "%d", lineno); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 708 | PyFile_WriteString(buf, f); |
| 709 | PyFile_WriteString("\n", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 710 | if (text != NULL) { |
Guido van Rossum | 798199d | 1994-09-19 08:08:50 +0000 | [diff] [blame] | 711 | char *nl; |
| 712 | if (offset > 0 && |
Guido van Rossum | 478e718 | 1997-05-06 15:24:59 +0000 | [diff] [blame] | 713 | offset == (int)strlen(text)) |
Guido van Rossum | 798199d | 1994-09-19 08:08:50 +0000 | [diff] [blame] | 714 | offset--; |
| 715 | for (;;) { |
| 716 | nl = strchr(text, '\n'); |
| 717 | if (nl == NULL || |
| 718 | nl-text >= offset) |
| 719 | break; |
| 720 | offset -= (nl+1-text); |
| 721 | text = nl+1; |
| 722 | } |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 723 | while (*text == ' ' || *text == '\t') { |
| 724 | text++; |
| 725 | offset--; |
| 726 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 727 | PyFile_WriteString(" ", f); |
| 728 | PyFile_WriteString(text, f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 729 | if (*text == '\0' || |
| 730 | text[strlen(text)-1] != '\n') |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 731 | PyFile_WriteString("\n", f); |
| 732 | PyFile_WriteString(" ", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 733 | offset--; |
| 734 | while (offset > 0) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 735 | PyFile_WriteString(" ", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 736 | offset--; |
| 737 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 738 | PyFile_WriteString("^\n", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 739 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 740 | Py_INCREF(message); |
| 741 | Py_DECREF(v); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 742 | v = message; |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 743 | /* Can't be bothered to check all those |
| 744 | PyFile_WriteString() calls */ |
| 745 | if (PyErr_Occurred()) |
| 746 | err = -1; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 747 | } |
| 748 | } |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 749 | if (err) { |
| 750 | /* Don't do anything else */ |
| 751 | } |
| 752 | else if (PyClass_Check(exception)) { |
Barry Warsaw | 2f5f6a2 | 1997-09-16 21:42:03 +0000 | [diff] [blame] | 753 | PyClassObject* exc = (PyClassObject*)exception; |
| 754 | PyObject* className = exc->cl_name; |
| 755 | PyObject* moduleName = |
| 756 | PyDict_GetItemString(exc->cl_dict, "__module__"); |
| 757 | |
| 758 | if (moduleName == NULL) |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 759 | err = PyFile_WriteString("<unknown>", f); |
Barry Warsaw | 2f5f6a2 | 1997-09-16 21:42:03 +0000 | [diff] [blame] | 760 | else { |
| 761 | char* modstr = PyString_AsString(moduleName); |
| 762 | if (modstr && strcmp(modstr, "exceptions")) |
| 763 | { |
| 764 | err = PyFile_WriteString(modstr, f); |
| 765 | err += PyFile_WriteString(".", f); |
| 766 | } |
| 767 | } |
| 768 | if (err == 0) { |
| 769 | if (className == NULL) |
| 770 | err = PyFile_WriteString("<unknown>", f); |
| 771 | else |
| 772 | err = PyFile_WriteObject(className, f, |
| 773 | Py_PRINT_RAW); |
| 774 | } |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 775 | } |
| 776 | else |
| 777 | err = PyFile_WriteObject(exception, f, Py_PRINT_RAW); |
| 778 | if (err == 0) { |
| 779 | if (v != NULL && v != Py_None) { |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 780 | PyObject *s = PyObject_Str(v); |
| 781 | /* only print colon if the str() of the |
| 782 | object is not the empty string |
| 783 | */ |
Guido van Rossum | d6bf45b | 1997-09-05 19:11:53 +0000 | [diff] [blame] | 784 | if (s == NULL) |
| 785 | err = -1; |
| 786 | else if (!PyString_Check(s) || |
| 787 | PyString_GET_SIZE(s) != 0) |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 788 | err = PyFile_WriteString(": ", f); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 789 | if (err == 0) |
Guido van Rossum | d6bf45b | 1997-09-05 19:11:53 +0000 | [diff] [blame] | 790 | err = PyFile_WriteObject(s, f, Py_PRINT_RAW); |
| 791 | Py_XDECREF(s); |
Guido van Rossum | 262e124 | 1995-02-07 15:30:45 +0000 | [diff] [blame] | 792 | } |
Guido van Rossum | 262e124 | 1995-02-07 15:30:45 +0000 | [diff] [blame] | 793 | } |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 794 | if (err == 0) |
| 795 | err = PyFile_WriteString("\n", f); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 796 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 797 | Py_XDECREF(exception); |
| 798 | Py_XDECREF(v); |
| 799 | Py_XDECREF(tb); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 800 | /* If an error happened here, don't show it. |
| 801 | XXX This is wrong, but too many callers rely on this behavior. */ |
| 802 | if (err != 0) |
| 803 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 804 | } |
| 805 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 806 | PyObject * |
| 807 | PyRun_String(str, start, globals, locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 808 | char *str; |
| 809 | int start; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 810 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 811 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 812 | return run_err_node(PyParser_SimpleParseString(str, start), |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 813 | "<string>", globals, locals); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 814 | } |
| 815 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 816 | PyObject * |
| 817 | PyRun_File(fp, filename, start, globals, locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 818 | FILE *fp; |
| 819 | char *filename; |
| 820 | int start; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 821 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 822 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 823 | return run_err_node(PyParser_SimpleParseFile(fp, filename, start), |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 824 | filename, globals, locals); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 825 | } |
| 826 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 827 | static PyObject * |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 828 | run_err_node(n, filename, globals, locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 829 | node *n; |
| 830 | char *filename; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 831 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 832 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 833 | if (n == NULL) |
| 834 | return NULL; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 835 | return run_node(n, filename, globals, locals); |
| 836 | } |
| 837 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 838 | static PyObject * |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 839 | run_node(n, filename, globals, locals) |
| 840 | node *n; |
| 841 | char *filename; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 842 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 843 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 844 | PyCodeObject *co; |
| 845 | PyObject *v; |
| 846 | co = PyNode_Compile(n, filename); |
| 847 | PyNode_Free(n); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 848 | if (co == NULL) |
| 849 | return NULL; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 850 | v = PyEval_EvalCode(co, globals, locals); |
| 851 | Py_DECREF(co); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 852 | return v; |
| 853 | } |
| 854 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 855 | static PyObject * |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 856 | run_pyc_file(fp, filename, globals, locals) |
| 857 | FILE *fp; |
| 858 | char *filename; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 859 | PyObject *globals, *locals; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 860 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 861 | PyCodeObject *co; |
| 862 | PyObject *v; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 863 | long magic; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 864 | long PyImport_GetMagicNumber(); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 865 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 866 | magic = PyMarshal_ReadLongFromFile(fp); |
| 867 | if (magic != PyImport_GetMagicNumber()) { |
| 868 | PyErr_SetString(PyExc_RuntimeError, |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 869 | "Bad magic number in .pyc file"); |
| 870 | return NULL; |
| 871 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 872 | (void) PyMarshal_ReadLongFromFile(fp); |
| 873 | v = PyMarshal_ReadObjectFromFile(fp); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 874 | fclose(fp); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 875 | if (v == NULL || !PyCode_Check(v)) { |
| 876 | Py_XDECREF(v); |
| 877 | PyErr_SetString(PyExc_RuntimeError, |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 878 | "Bad code object in .pyc file"); |
| 879 | return NULL; |
| 880 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 881 | co = (PyCodeObject *)v; |
| 882 | v = PyEval_EvalCode(co, globals, locals); |
| 883 | Py_DECREF(co); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 884 | return v; |
| 885 | } |
| 886 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 887 | PyObject * |
| 888 | Py_CompileString(str, filename, start) |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 889 | char *str; |
| 890 | char *filename; |
| 891 | int start; |
| 892 | { |
| 893 | node *n; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 894 | PyCodeObject *co; |
| 895 | n = PyParser_SimpleParseString(str, start); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 896 | if (n == NULL) |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 897 | return NULL; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 898 | co = PyNode_Compile(n, filename); |
| 899 | PyNode_Free(n); |
| 900 | return (PyObject *)co; |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 901 | } |
| 902 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 903 | /* Simplified interface to parsefile -- return node or set exception */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 904 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 905 | node * |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 906 | PyParser_SimpleParseFile(fp, filename, start) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 907 | FILE *fp; |
| 908 | char *filename; |
| 909 | int start; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 910 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 911 | node *n; |
| 912 | perrdetail err; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 913 | Py_BEGIN_ALLOW_THREADS |
| 914 | n = PyParser_ParseFile(fp, filename, &_PyParser_Grammar, start, |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 915 | (char *)0, (char *)0, &err); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 916 | Py_END_ALLOW_THREADS |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 917 | if (n == NULL) |
| 918 | err_input(&err); |
| 919 | return n; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 920 | } |
| 921 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 922 | /* Simplified interface to parsestring -- return node or set exception */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 923 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 924 | node * |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 925 | PyParser_SimpleParseString(str, start) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 926 | char *str; |
| 927 | int start; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 928 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 929 | node *n; |
| 930 | perrdetail err; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 931 | n = PyParser_ParseString(str, &_PyParser_Grammar, start, &err); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 932 | if (n == NULL) |
| 933 | err_input(&err); |
| 934 | return n; |
| 935 | } |
| 936 | |
| 937 | /* Set the error appropriate to the given input error code (see errcode.h) */ |
| 938 | |
| 939 | static void |
| 940 | err_input(err) |
| 941 | perrdetail *err; |
| 942 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 943 | PyObject *v, *w; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 944 | char *msg = NULL; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 945 | v = Py_BuildValue("(ziiz)", err->filename, |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 946 | err->lineno, err->offset, err->text); |
| 947 | if (err->text != NULL) { |
| 948 | free(err->text); |
| 949 | err->text = NULL; |
| 950 | } |
| 951 | switch (err->error) { |
| 952 | case E_SYNTAX: |
| 953 | msg = "invalid syntax"; |
| 954 | break; |
| 955 | case E_TOKEN: |
| 956 | msg = "invalid token"; |
| 957 | |
| 958 | break; |
| 959 | case E_INTR: |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 960 | PyErr_SetNone(PyExc_KeyboardInterrupt); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 961 | return; |
| 962 | case E_NOMEM: |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 963 | PyErr_NoMemory(); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 964 | return; |
| 965 | case E_EOF: |
| 966 | msg = "unexpected EOF while parsing"; |
| 967 | break; |
| 968 | default: |
| 969 | fprintf(stderr, "error=%d\n", err->error); |
| 970 | msg = "unknown parsing error"; |
| 971 | break; |
| 972 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 973 | w = Py_BuildValue("(sO)", msg, v); |
| 974 | Py_XDECREF(v); |
| 975 | PyErr_SetObject(PyExc_SyntaxError, w); |
| 976 | Py_XDECREF(w); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 977 | } |
| 978 | |
| 979 | /* Print fatal error message and abort */ |
| 980 | |
| 981 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 982 | Py_FatalError(msg) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 983 | char *msg; |
| 984 | { |
Guido van Rossum | 83dd6c3 | 1994-09-29 09:38:33 +0000 | [diff] [blame] | 985 | fprintf(stderr, "Fatal Python error: %s\n", msg); |
Guido van Rossum | 8ae87c0 | 1995-01-26 00:40:38 +0000 | [diff] [blame] | 986 | #ifdef macintosh |
| 987 | for (;;); |
| 988 | #endif |
Guido van Rossum | 9b38a14 | 1996-09-11 23:12:24 +0000 | [diff] [blame] | 989 | #ifdef MS_WIN32 |
Guido van Rossum | 23c9446 | 1997-05-22 20:21:30 +0000 | [diff] [blame] | 990 | OutputDebugString("Fatal Python error: "); |
Guido van Rossum | a44823b | 1995-03-14 15:01:17 +0000 | [diff] [blame] | 991 | OutputDebugString(msg); |
| 992 | OutputDebugString("\n"); |
| 993 | #endif |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 994 | abort(); |
| 995 | } |
| 996 | |
| 997 | /* Clean up and exit */ |
| 998 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 999 | #ifdef WITH_THREAD |
| 1000 | #include "thread.h" |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1001 | int _PyThread_Started = 0; /* Set by threadmodule.c and maybe others */ |
Guido van Rossum | f9f2e82 | 1992-08-17 08:59:08 +0000 | [diff] [blame] | 1002 | #endif |
| 1003 | |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1004 | #define NEXITFUNCS 32 |
| 1005 | static void (*exitfuncs[NEXITFUNCS])(); |
| 1006 | static int nexitfuncs = 0; |
| 1007 | |
| 1008 | int Py_AtExit(func) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1009 | void (*func) Py_PROTO((void)); |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1010 | { |
| 1011 | if (nexitfuncs >= NEXITFUNCS) |
| 1012 | return -1; |
| 1013 | exitfuncs[nexitfuncs++] = func; |
| 1014 | return 0; |
| 1015 | } |
| 1016 | |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1017 | static void |
| 1018 | call_sys_exitfunc() |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1019 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1020 | PyObject *exitfunc = PySys_GetObject("exitfunc"); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1021 | |
| 1022 | if (exitfunc) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1023 | PyObject *res; |
| 1024 | Py_INCREF(exitfunc); |
| 1025 | PySys_SetObject("exitfunc", (PyObject *)NULL); |
| 1026 | res = PyEval_CallObject(exitfunc, (PyObject *)NULL); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1027 | if (res == NULL) { |
| 1028 | fprintf(stderr, "Error in sys.exitfunc:\n"); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1029 | PyErr_Print(); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1030 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1031 | Py_DECREF(exitfunc); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1032 | } |
| 1033 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1034 | Py_FlushLine(); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1035 | } |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1036 | |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1037 | static void |
| 1038 | call_ll_exitfuncs() |
| 1039 | { |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1040 | while (nexitfuncs > 0) |
| 1041 | (*exitfuncs[--nexitfuncs])(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 1042 | |
| 1043 | fflush(stdout); |
| 1044 | fflush(stderr); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1045 | } |
| 1046 | |
Sjoerd Mullender | a9c3c22 | 1993-10-11 12:54:31 +0000 | [diff] [blame] | 1047 | #ifdef COUNT_ALLOCS |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1048 | extern void dump_counts Py_PROTO((void)); |
Sjoerd Mullender | a9c3c22 | 1993-10-11 12:54:31 +0000 | [diff] [blame] | 1049 | #endif |
| 1050 | |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1051 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1052 | Py_Exit(sts) |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1053 | int sts; |
| 1054 | { |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1055 | Py_Finalize(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1056 | |
Jack Jansen | 66a8977 | 1995-10-27 13:22:14 +0000 | [diff] [blame] | 1057 | #ifdef macintosh |
| 1058 | PyMac_Exit(sts); |
| 1059 | #else |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1060 | exit(sts); |
Jack Jansen | 66a8977 | 1995-10-27 13:22:14 +0000 | [diff] [blame] | 1061 | #endif |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1062 | } |
| 1063 | |
Guido van Rossum | f1dc566 | 1993-07-05 10:31:29 +0000 | [diff] [blame] | 1064 | static void |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1065 | initsigs() |
| 1066 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1067 | #ifdef HAVE_SIGNAL_H |
| 1068 | #ifdef SIGPIPE |
| 1069 | signal(SIGPIPE, SIG_IGN); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1070 | #endif |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1071 | #endif /* HAVE_SIGNAL_H */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1072 | PyOS_InitInterrupts(); /* May imply initsignal() */ |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1073 | } |
| 1074 | |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 1075 | #ifdef Py_TRACE_REFS |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1076 | /* Ask a yes/no question */ |
| 1077 | |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1078 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1079 | _Py_AskYesNo(prompt) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1080 | char *prompt; |
| 1081 | { |
| 1082 | char buf[256]; |
| 1083 | |
| 1084 | printf("%s [ny] ", prompt); |
| 1085 | if (fgets(buf, sizeof buf, stdin) == NULL) |
| 1086 | return 0; |
| 1087 | return buf[0] == 'y' || buf[0] == 'Y'; |
| 1088 | } |
| 1089 | #endif |
| 1090 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1091 | #ifdef MPW |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1092 | |
| 1093 | /* Check for file descriptor connected to interactive device. |
| 1094 | Pretend that stdin is always interactive, other files never. */ |
| 1095 | |
| 1096 | int |
| 1097 | isatty(fd) |
| 1098 | int fd; |
| 1099 | { |
| 1100 | return fd == fileno(stdin); |
| 1101 | } |
| 1102 | |
| 1103 | #endif |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 1104 | |
| 1105 | /* |
| 1106 | * The file descriptor fd is considered ``interactive'' if either |
| 1107 | * a) isatty(fd) is TRUE, or |
| 1108 | * b) the -i flag was given, and the filename associated with |
| 1109 | * the descriptor is NULL or "<stdin>" or "???". |
| 1110 | */ |
| 1111 | int |
| 1112 | Py_FdIsInteractive(fp, filename) |
| 1113 | FILE *fp; |
| 1114 | char *filename; |
| 1115 | { |
| 1116 | if (isatty((int)fileno(fp))) |
| 1117 | return 1; |
| 1118 | if (!Py_InteractiveFlag) |
| 1119 | return 0; |
| 1120 | return (filename == NULL) || |
| 1121 | (strcmp(filename, "<stdin>") == 0) || |
| 1122 | (strcmp(filename, "???") == 0); |
| 1123 | } |