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