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 | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 72 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 73 | int Py_DebugFlag; /* Needed by parser.c */ |
| 74 | int Py_VerboseFlag; /* Needed by import.c */ |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 75 | int Py_InteractiveFlag; /* Needed by Py_FdIsInteractive() below */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 76 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame^] | 77 | static int initialized = 0; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 78 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame^] | 79 | /* Global initializations. Can be undone by Py_Finalize(). Don't |
| 80 | call this twice without an intervening Py_Finalize() call. When |
| 81 | initializations fail, a fatal error is issued and the function does |
| 82 | not return. On return, the first thread and interpreter state have |
| 83 | been created. |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 84 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame^] | 85 | Locking: you must hold the interpreter lock while calling this. |
| 86 | (If the lock has not yet been initialized, that's equivalent to |
| 87 | having the lock, but you cannot use multiple threads.) |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 88 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame^] | 89 | */ |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 90 | |
| 91 | void |
| 92 | Py_Initialize() |
| 93 | { |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 94 | PyInterpreterState *interp; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame^] | 95 | PyThreadState *tstate; |
| 96 | PyObject *bimod, *sysmod; |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 97 | char *p; |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 98 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame^] | 99 | if (initialized) |
| 100 | Py_FatalError("Py_Initialize: already initialized"); |
| 101 | initialized = 1; |
| 102 | |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 103 | if ((p = getenv("PYTHONDEBUG")) && *p != '\0') |
| 104 | Py_DebugFlag = 1; |
| 105 | if ((p = getenv("PYTHONVERBOSE")) && *p != '\0') |
| 106 | Py_VerboseFlag = 1; |
| 107 | |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 108 | interp = PyInterpreterState_New(); |
| 109 | if (interp == NULL) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame^] | 110 | Py_FatalError("Py_Initialize: can't make first interpreter"); |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 111 | |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 112 | tstate = PyThreadState_New(interp); |
| 113 | if (tstate == NULL) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame^] | 114 | Py_FatalError("Py_Initialize: can't make first thread"); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 115 | (void) PyThreadState_Swap(tstate); |
| 116 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame^] | 117 | interp->modules = PyDict_New(); |
| 118 | if (interp->modules == NULL) |
| 119 | Py_FatalError("Py_Initialize: can't make modules dictionary"); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 120 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame^] | 121 | bimod = _PyBuiltin_Init(); |
| 122 | if (bimod == NULL) |
| 123 | Py_FatalError("Py_Initialize: can't initialize __builtin__"); |
| 124 | interp->builtins = PyModule_GetDict(bimod); |
| 125 | Py_INCREF(interp->builtins); |
| 126 | _PyImport_FixupExtension("__builtin__", "__builtin__"); |
| 127 | |
| 128 | sysmod = _PySys_Init(); |
| 129 | if (sysmod == NULL) |
| 130 | Py_FatalError("Py_Initialize: can't initialize sys"); |
| 131 | interp->sysdict = PyModule_GetDict(sysmod); |
| 132 | Py_INCREF(interp->sysdict); |
| 133 | _PyImport_FixupExtension("sys", "sys"); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 134 | PySys_SetPath(Py_GetPath()); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame^] | 135 | PyDict_SetItemString(interp->sysdict, "modules", |
| 136 | interp->modules); |
| 137 | |
| 138 | _PyImport_Init(); |
| 139 | |
| 140 | initsigs(); /* Signal handling stuff, including initintr() */ |
| 141 | |
| 142 | initmain(); /* Module __main__ */ |
| 143 | } |
| 144 | |
| 145 | /* Undo the effect of Py_Initialize(). |
| 146 | |
| 147 | Beware: if multiple interpreter and/or thread states exist, these |
| 148 | are not wiped out; only the current thread and interpreter state |
| 149 | are deleted. But since everything else is deleted, those other |
| 150 | interpreter and thread states should no longer be used. |
| 151 | |
| 152 | (XXX We should do better, e.g. wipe out all interpreters and |
| 153 | threads.) |
| 154 | |
| 155 | Locking: as above. |
| 156 | |
| 157 | */ |
| 158 | |
| 159 | void |
| 160 | Py_Finalize() |
| 161 | { |
| 162 | PyInterpreterState *interp; |
| 163 | PyThreadState *tstate; |
| 164 | |
| 165 | if (!initialized) |
| 166 | Py_FatalError("Py_Finalize: not initialized"); |
| 167 | initialized = 0; |
| 168 | |
| 169 | tstate = PyThreadState_Get(); |
| 170 | interp = tstate->interp; |
| 171 | |
| 172 | PyImport_Cleanup(); |
| 173 | PyInterpreterState_Clear(interp); |
| 174 | PyThreadState_Swap(NULL); |
| 175 | PyInterpreterState_Delete(interp); |
| 176 | |
| 177 | finisigs(); |
| 178 | _PyImport_Fini(); |
| 179 | _PyBuiltin_Fini(); |
| 180 | PyString_Fini(); |
| 181 | |
| 182 | PyGrammar_RemoveAccelerators(&_PyParser_Grammar); |
| 183 | } |
| 184 | |
| 185 | /* Create and initialize a new interpreter and thread, and return the |
| 186 | new thread. This requires that Py_Initialize() has been called |
| 187 | first. |
| 188 | |
| 189 | Unsuccessful initialization yields a NULL pointer. Note that *no* |
| 190 | exception information is available even in this case -- the |
| 191 | exception information is held in the thread, and there is no |
| 192 | thread. |
| 193 | |
| 194 | Locking: as above. |
| 195 | |
| 196 | */ |
| 197 | |
| 198 | PyThreadState * |
| 199 | Py_NewInterpreter() |
| 200 | { |
| 201 | PyInterpreterState *interp; |
| 202 | PyThreadState *tstate, *save_tstate; |
| 203 | PyObject *bimod, *sysmod; |
| 204 | |
| 205 | if (!initialized) |
| 206 | Py_FatalError("Py_NewInterpreter: call Py_Initialize first"); |
| 207 | |
| 208 | interp = PyInterpreterState_New(); |
| 209 | if (interp == NULL) |
| 210 | return NULL; |
| 211 | |
| 212 | tstate = PyThreadState_New(interp); |
| 213 | if (tstate == NULL) { |
| 214 | PyInterpreterState_Delete(interp); |
| 215 | return NULL; |
| 216 | } |
| 217 | |
| 218 | save_tstate = PyThreadState_Swap(tstate); |
| 219 | |
| 220 | /* XXX The following is lax in error checking */ |
| 221 | |
| 222 | interp->modules = PyDict_New(); |
| 223 | |
| 224 | bimod = _PyImport_FindExtension("__builtin__", "__builtin__"); |
| 225 | if (bimod != NULL) { |
| 226 | interp->builtins = PyModule_GetDict(bimod); |
| 227 | Py_INCREF(interp->builtins); |
| 228 | } |
| 229 | sysmod = _PyImport_FindExtension("sys", "sys"); |
| 230 | if (bimod != NULL && sysmod != NULL) { |
| 231 | interp->sysdict = PyModule_GetDict(sysmod); |
| 232 | Py_INCREF(interp->sysdict); |
| 233 | PySys_SetPath(Py_GetPath()); |
| 234 | PyDict_SetItemString(interp->sysdict, "modules", |
| 235 | interp->modules); |
| 236 | initmain(); |
| 237 | } |
| 238 | |
| 239 | if (!PyErr_Occurred()) |
| 240 | return tstate; |
| 241 | |
| 242 | /* Oops, it didn't work. Undo it all. */ |
| 243 | |
| 244 | PyErr_Print(); |
| 245 | PyThreadState_Clear(tstate); |
| 246 | PyThreadState_Swap(save_tstate); |
| 247 | PyThreadState_Delete(tstate); |
| 248 | PyInterpreterState_Delete(interp); |
| 249 | |
| 250 | return NULL; |
| 251 | } |
| 252 | |
| 253 | /* Delete an interpreter and its last thread. This requires that the |
| 254 | given thread state is current, that the thread has no remaining |
| 255 | frames, and that it is its interpreter's only remaining thread. |
| 256 | It is a fatal error to violate these constraints. |
| 257 | |
| 258 | (Py_Finalize() doesn't have these constraints -- it zaps |
| 259 | everything, regardless.) |
| 260 | |
| 261 | Locking: as above. |
| 262 | |
| 263 | */ |
| 264 | |
| 265 | void |
| 266 | Py_EndInterpreter(tstate) |
| 267 | PyThreadState *tstate; |
| 268 | { |
| 269 | PyInterpreterState *interp = tstate->interp; |
| 270 | |
| 271 | if (tstate != PyThreadState_Get()) |
| 272 | Py_FatalError("Py_EndInterpreter: thread is not current"); |
| 273 | if (tstate->frame != NULL) |
| 274 | Py_FatalError("Py_EndInterpreter: thread still has a frame"); |
| 275 | if (tstate != interp->tstate_head || tstate->next != NULL) |
| 276 | Py_FatalError("Py_EndInterpreter: not the last thread"); |
| 277 | |
| 278 | PyImport_Cleanup(); |
| 279 | PyInterpreterState_Clear(interp); |
| 280 | PyThreadState_Swap(NULL); |
| 281 | PyInterpreterState_Delete(interp); |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 282 | } |
| 283 | |
| 284 | static char *progname = "python"; |
| 285 | |
| 286 | void |
| 287 | Py_SetProgramName(pn) |
| 288 | char *pn; |
| 289 | { |
| 290 | if (pn && *pn) |
| 291 | progname = pn; |
| 292 | } |
| 293 | |
| 294 | char * |
| 295 | Py_GetProgramName() |
| 296 | { |
| 297 | return progname; |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 298 | } |
| 299 | |
| 300 | /* |
| 301 | Py_Initialize() |
| 302 | -- do everything, no-op on second call, call fatal on failure, set path |
| 303 | |
| 304 | #2 |
| 305 | -- create new interp+tstate & make it current, return NULL on failure, |
| 306 | make it current, do all setup, set path |
| 307 | |
| 308 | #3 |
| 309 | -- #2 without set path |
| 310 | |
| 311 | #4 |
| 312 | -- is there any point to #3 for caller-provided current interp+tstate? |
| 313 | |
| 314 | */ |
| 315 | |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 316 | /* Create __main__ module */ |
| 317 | |
| 318 | static void |
| 319 | initmain() |
| 320 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 321 | PyObject *m, *d; |
| 322 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 323 | if (m == NULL) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 324 | Py_FatalError("can't create __main__ module"); |
| 325 | d = PyModule_GetDict(m); |
| 326 | if (PyDict_GetItemString(d, "__builtins__") == NULL) { |
| 327 | if (PyDict_SetItemString(d, "__builtins__", |
| 328 | PyEval_GetBuiltins())) |
| 329 | Py_FatalError("can't add __builtins__ to __main__"); |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 330 | } |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 331 | } |
| 332 | |
| 333 | /* Parse input from a file and execute it */ |
| 334 | |
| 335 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 336 | PyRun_AnyFile(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 337 | FILE *fp; |
| 338 | char *filename; |
| 339 | { |
| 340 | if (filename == NULL) |
| 341 | filename = "???"; |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 342 | if (Py_FdIsInteractive(fp, filename)) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 343 | return PyRun_InteractiveLoop(fp, filename); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 344 | else |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 345 | return PyRun_SimpleFile(fp, filename); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 346 | } |
| 347 | |
| 348 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 349 | PyRun_InteractiveLoop(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 350 | FILE *fp; |
| 351 | char *filename; |
| 352 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 353 | PyObject *v; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 354 | int ret; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 355 | v = PySys_GetObject("ps1"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 356 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 357 | PySys_SetObject("ps1", v = PyString_FromString(">>> ")); |
| 358 | Py_XDECREF(v); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 359 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 360 | v = PySys_GetObject("ps2"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 361 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 362 | PySys_SetObject("ps2", v = PyString_FromString("... ")); |
| 363 | Py_XDECREF(v); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 364 | } |
| 365 | for (;;) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 366 | ret = PyRun_InteractiveOne(fp, filename); |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 367 | #ifdef Py_REF_DEBUG |
Guido van Rossum | 6f9e433 | 1995-03-29 16:57:48 +0000 | [diff] [blame] | 368 | fprintf(stderr, "[%ld refs]\n", _Py_RefTotal); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 369 | #endif |
| 370 | if (ret == E_EOF) |
| 371 | return 0; |
| 372 | /* |
| 373 | if (ret == E_NOMEM) |
| 374 | return -1; |
| 375 | */ |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 380 | PyRun_InteractiveOne(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 381 | FILE *fp; |
| 382 | char *filename; |
| 383 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 384 | PyObject *m, *d, *v, *w; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 385 | node *n; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 386 | perrdetail err; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 387 | char *ps1, *ps2; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 388 | v = PySys_GetObject("ps1"); |
| 389 | w = PySys_GetObject("ps2"); |
| 390 | if (v != NULL && PyString_Check(v)) { |
| 391 | Py_INCREF(v); |
| 392 | ps1 = PyString_AsString(v); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 393 | } |
| 394 | else { |
| 395 | v = NULL; |
| 396 | ps1 = ""; |
| 397 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 398 | if (w != NULL && PyString_Check(w)) { |
| 399 | Py_INCREF(w); |
| 400 | ps2 = PyString_AsString(w); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 401 | } |
| 402 | else { |
| 403 | w = NULL; |
| 404 | ps2 = ""; |
| 405 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 406 | Py_BEGIN_ALLOW_THREADS |
| 407 | n = PyParser_ParseFile(fp, filename, &_PyParser_Grammar, |
Guido van Rossum | b05a5c7 | 1997-05-07 17:46:13 +0000 | [diff] [blame] | 408 | Py_single_input, ps1, ps2, &err); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 409 | Py_END_ALLOW_THREADS |
| 410 | Py_XDECREF(v); |
| 411 | Py_XDECREF(w); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 412 | if (n == NULL) { |
| 413 | if (err.error == E_EOF) { |
| 414 | if (err.text) |
| 415 | free(err.text); |
| 416 | return E_EOF; |
| 417 | } |
| 418 | err_input(&err); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 419 | PyErr_Print(); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 420 | return err.error; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 421 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 422 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 423 | if (m == NULL) |
| 424 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 425 | d = PyModule_GetDict(m); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 426 | v = run_node(n, filename, d, d); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 427 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 428 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 429 | return -1; |
| 430 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 431 | Py_DECREF(v); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 432 | if (Py_FlushLine()) |
| 433 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 434 | return 0; |
| 435 | } |
| 436 | |
| 437 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 438 | PyRun_SimpleFile(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 439 | FILE *fp; |
| 440 | char *filename; |
| 441 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 442 | PyObject *m, *d, *v; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 443 | char *ext; |
| 444 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 445 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 446 | if (m == NULL) |
| 447 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 448 | d = PyModule_GetDict(m); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 449 | ext = filename + strlen(filename) - 4; |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 450 | if (strcmp(ext, ".pyc") == 0 || strcmp(ext, ".pyo") == 0 |
Jack Jansen | bd06e96 | 1995-02-13 11:44:56 +0000 | [diff] [blame] | 451 | #ifdef macintosh |
| 452 | /* 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] | 453 | || getfiletype(filename) == 'PYC ' |
| 454 | || getfiletype(filename) == 'APPL' |
Jack Jansen | bd06e96 | 1995-02-13 11:44:56 +0000 | [diff] [blame] | 455 | #endif /* macintosh */ |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 456 | ) { |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 457 | /* Try to run a pyc file. First, re-open in binary */ |
Jack Jansen | e00637b | 1994-12-14 12:58:37 +0000 | [diff] [blame] | 458 | /* Don't close, done in main: fclose(fp); */ |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 459 | if( (fp = fopen(filename, "rb")) == NULL ) { |
| 460 | fprintf(stderr, "python: Can't reopen .pyc file\n"); |
| 461 | return -1; |
| 462 | } |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 463 | /* Turn on optimization if a .pyo file is given */ |
| 464 | if (strcmp(ext, ".pyo") == 0) |
| 465 | Py_OptimizeFlag = 1; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 466 | v = run_pyc_file(fp, filename, d, d); |
| 467 | } else { |
Guido van Rossum | b05a5c7 | 1997-05-07 17:46:13 +0000 | [diff] [blame] | 468 | v = PyRun_File(fp, filename, Py_file_input, d, d); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 469 | } |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 470 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 471 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 472 | return -1; |
| 473 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 474 | Py_DECREF(v); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 475 | if (Py_FlushLine()) |
| 476 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 477 | return 0; |
| 478 | } |
| 479 | |
| 480 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 481 | PyRun_SimpleString(command) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 482 | char *command; |
| 483 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 484 | PyObject *m, *d, *v; |
| 485 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 486 | if (m == NULL) |
| 487 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 488 | d = PyModule_GetDict(m); |
Guido van Rossum | b05a5c7 | 1997-05-07 17:46:13 +0000 | [diff] [blame] | 489 | v = PyRun_String(command, Py_file_input, d, d); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 490 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 491 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 492 | return -1; |
| 493 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 494 | Py_DECREF(v); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 495 | if (Py_FlushLine()) |
| 496 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 497 | return 0; |
| 498 | } |
| 499 | |
| 500 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 501 | PyErr_Print() |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 502 | { |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 503 | int err = 0; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 504 | PyObject *exception, *v, *tb, *f; |
| 505 | PyErr_Fetch(&exception, &v, &tb); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 506 | if (exception == NULL) |
Guido van Rossum | 296b475 | 1997-05-23 00:19:20 +0000 | [diff] [blame] | 507 | return; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 508 | if (exception == PyExc_SystemExit) { |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 509 | err = Py_FlushLine(); |
| 510 | fflush(stdout); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 511 | if (v == NULL || v == Py_None) |
| 512 | Py_Exit(0); |
| 513 | if (PyInt_Check(v)) |
| 514 | Py_Exit((int)PyInt_AsLong(v)); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 515 | else { |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 516 | /* OK to use real stderr here */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 517 | PyObject_Print(v, stderr, Py_PRINT_RAW); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 518 | fprintf(stderr, "\n"); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 519 | Py_Exit(1); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 520 | } |
| 521 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 522 | PySys_SetObject("last_type", exception); |
| 523 | PySys_SetObject("last_value", v); |
| 524 | PySys_SetObject("last_traceback", tb); |
| 525 | f = PySys_GetObject("stderr"); |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 526 | if (f == NULL) |
| 527 | fprintf(stderr, "lost sys.stderr\n"); |
| 528 | else { |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 529 | err = Py_FlushLine(); |
| 530 | fflush(stdout); |
| 531 | if (err == 0) |
| 532 | err = PyTraceBack_Print(tb, f); |
| 533 | if (err == 0 && exception == PyExc_SyntaxError) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 534 | PyObject *message; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 535 | char *filename, *text; |
| 536 | int lineno, offset; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 537 | if (!PyArg_Parse(v, "(O(ziiz))", &message, |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 538 | &filename, &lineno, &offset, &text)) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 539 | PyErr_Clear(); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 540 | else { |
| 541 | char buf[10]; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 542 | PyFile_WriteString(" File \"", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 543 | if (filename == NULL) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 544 | PyFile_WriteString("<string>", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 545 | else |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 546 | PyFile_WriteString(filename, f); |
| 547 | PyFile_WriteString("\", line ", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 548 | sprintf(buf, "%d", lineno); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 549 | PyFile_WriteString(buf, f); |
| 550 | PyFile_WriteString("\n", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 551 | if (text != NULL) { |
Guido van Rossum | 798199d | 1994-09-19 08:08:50 +0000 | [diff] [blame] | 552 | char *nl; |
| 553 | if (offset > 0 && |
Guido van Rossum | 478e718 | 1997-05-06 15:24:59 +0000 | [diff] [blame] | 554 | offset == (int)strlen(text)) |
Guido van Rossum | 798199d | 1994-09-19 08:08:50 +0000 | [diff] [blame] | 555 | offset--; |
| 556 | for (;;) { |
| 557 | nl = strchr(text, '\n'); |
| 558 | if (nl == NULL || |
| 559 | nl-text >= offset) |
| 560 | break; |
| 561 | offset -= (nl+1-text); |
| 562 | text = nl+1; |
| 563 | } |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 564 | while (*text == ' ' || *text == '\t') { |
| 565 | text++; |
| 566 | offset--; |
| 567 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 568 | PyFile_WriteString(" ", f); |
| 569 | PyFile_WriteString(text, f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 570 | if (*text == '\0' || |
| 571 | text[strlen(text)-1] != '\n') |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 572 | PyFile_WriteString("\n", f); |
| 573 | PyFile_WriteString(" ", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 574 | offset--; |
| 575 | while (offset > 0) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 576 | PyFile_WriteString(" ", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 577 | offset--; |
| 578 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 579 | PyFile_WriteString("^\n", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 580 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 581 | Py_INCREF(message); |
| 582 | Py_DECREF(v); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 583 | v = message; |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 584 | /* Can't be bothered to check all those |
| 585 | PyFile_WriteString() calls */ |
| 586 | if (PyErr_Occurred()) |
| 587 | err = -1; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 588 | } |
| 589 | } |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 590 | if (err) { |
| 591 | /* Don't do anything else */ |
| 592 | } |
| 593 | else if (PyClass_Check(exception)) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 594 | PyObject* className = |
| 595 | ((PyClassObject*)exception)->cl_name; |
Guido van Rossum | 262e124 | 1995-02-07 15:30:45 +0000 | [diff] [blame] | 596 | if (className == NULL) |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 597 | err = PyFile_WriteString("<unknown>", f); |
| 598 | else |
| 599 | err = PyFile_WriteObject(className, f, |
| 600 | Py_PRINT_RAW); |
| 601 | } |
| 602 | else |
| 603 | err = PyFile_WriteObject(exception, f, Py_PRINT_RAW); |
| 604 | if (err == 0) { |
| 605 | if (v != NULL && v != Py_None) { |
| 606 | err = PyFile_WriteString(": ", f); |
| 607 | if (err == 0) |
| 608 | err = PyFile_WriteObject(v, f, Py_PRINT_RAW); |
Guido van Rossum | 262e124 | 1995-02-07 15:30:45 +0000 | [diff] [blame] | 609 | } |
Guido van Rossum | 262e124 | 1995-02-07 15:30:45 +0000 | [diff] [blame] | 610 | } |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 611 | if (err == 0) |
| 612 | err = PyFile_WriteString("\n", f); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 613 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 614 | Py_XDECREF(exception); |
| 615 | Py_XDECREF(v); |
| 616 | Py_XDECREF(tb); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 617 | /* If an error happened here, don't show it. |
| 618 | XXX This is wrong, but too many callers rely on this behavior. */ |
| 619 | if (err != 0) |
| 620 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 621 | } |
| 622 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 623 | PyObject * |
| 624 | PyRun_String(str, start, globals, locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 625 | char *str; |
| 626 | int start; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 627 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 628 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 629 | return run_err_node(PyParser_SimpleParseString(str, start), |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 630 | "<string>", globals, locals); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 631 | } |
| 632 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 633 | PyObject * |
| 634 | PyRun_File(fp, filename, start, globals, locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 635 | FILE *fp; |
| 636 | char *filename; |
| 637 | int start; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 638 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 639 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 640 | return run_err_node(PyParser_SimpleParseFile(fp, filename, start), |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 641 | filename, globals, locals); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 642 | } |
| 643 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 644 | static PyObject * |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 645 | run_err_node(n, filename, globals, locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 646 | node *n; |
| 647 | char *filename; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 648 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 649 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 650 | if (n == NULL) |
| 651 | return NULL; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 652 | return run_node(n, filename, globals, locals); |
| 653 | } |
| 654 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 655 | static PyObject * |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 656 | run_node(n, filename, globals, locals) |
| 657 | node *n; |
| 658 | char *filename; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 659 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 660 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 661 | PyCodeObject *co; |
| 662 | PyObject *v; |
| 663 | co = PyNode_Compile(n, filename); |
| 664 | PyNode_Free(n); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 665 | if (co == NULL) |
| 666 | return NULL; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 667 | v = PyEval_EvalCode(co, globals, locals); |
| 668 | Py_DECREF(co); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 669 | return v; |
| 670 | } |
| 671 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 672 | static PyObject * |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 673 | run_pyc_file(fp, filename, globals, locals) |
| 674 | FILE *fp; |
| 675 | char *filename; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 676 | PyObject *globals, *locals; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 677 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 678 | PyCodeObject *co; |
| 679 | PyObject *v; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 680 | long magic; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 681 | long PyImport_GetMagicNumber(); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 682 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 683 | magic = PyMarshal_ReadLongFromFile(fp); |
| 684 | if (magic != PyImport_GetMagicNumber()) { |
| 685 | PyErr_SetString(PyExc_RuntimeError, |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 686 | "Bad magic number in .pyc file"); |
| 687 | return NULL; |
| 688 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 689 | (void) PyMarshal_ReadLongFromFile(fp); |
| 690 | v = PyMarshal_ReadObjectFromFile(fp); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 691 | fclose(fp); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 692 | if (v == NULL || !PyCode_Check(v)) { |
| 693 | Py_XDECREF(v); |
| 694 | PyErr_SetString(PyExc_RuntimeError, |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 695 | "Bad code object in .pyc file"); |
| 696 | return NULL; |
| 697 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 698 | co = (PyCodeObject *)v; |
| 699 | v = PyEval_EvalCode(co, globals, locals); |
| 700 | Py_DECREF(co); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 701 | return v; |
| 702 | } |
| 703 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 704 | PyObject * |
| 705 | Py_CompileString(str, filename, start) |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 706 | char *str; |
| 707 | char *filename; |
| 708 | int start; |
| 709 | { |
| 710 | node *n; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 711 | PyCodeObject *co; |
| 712 | n = PyParser_SimpleParseString(str, start); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 713 | if (n == NULL) |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 714 | return NULL; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 715 | co = PyNode_Compile(n, filename); |
| 716 | PyNode_Free(n); |
| 717 | return (PyObject *)co; |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 718 | } |
| 719 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 720 | /* Simplified interface to parsefile -- return node or set exception */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 721 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 722 | node * |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 723 | PyParser_SimpleParseFile(fp, filename, start) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 724 | FILE *fp; |
| 725 | char *filename; |
| 726 | int start; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 727 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 728 | node *n; |
| 729 | perrdetail err; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 730 | Py_BEGIN_ALLOW_THREADS |
| 731 | n = PyParser_ParseFile(fp, filename, &_PyParser_Grammar, start, |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 732 | (char *)0, (char *)0, &err); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 733 | Py_END_ALLOW_THREADS |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 734 | if (n == NULL) |
| 735 | err_input(&err); |
| 736 | return n; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 737 | } |
| 738 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 739 | /* Simplified interface to parsestring -- return node or set exception */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 740 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 741 | node * |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 742 | PyParser_SimpleParseString(str, start) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 743 | char *str; |
| 744 | int start; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 745 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 746 | node *n; |
| 747 | perrdetail err; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 748 | n = PyParser_ParseString(str, &_PyParser_Grammar, start, &err); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 749 | if (n == NULL) |
| 750 | err_input(&err); |
| 751 | return n; |
| 752 | } |
| 753 | |
| 754 | /* Set the error appropriate to the given input error code (see errcode.h) */ |
| 755 | |
| 756 | static void |
| 757 | err_input(err) |
| 758 | perrdetail *err; |
| 759 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 760 | PyObject *v, *w; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 761 | char *msg = NULL; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 762 | v = Py_BuildValue("(ziiz)", err->filename, |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 763 | err->lineno, err->offset, err->text); |
| 764 | if (err->text != NULL) { |
| 765 | free(err->text); |
| 766 | err->text = NULL; |
| 767 | } |
| 768 | switch (err->error) { |
| 769 | case E_SYNTAX: |
| 770 | msg = "invalid syntax"; |
| 771 | break; |
| 772 | case E_TOKEN: |
| 773 | msg = "invalid token"; |
| 774 | |
| 775 | break; |
| 776 | case E_INTR: |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 777 | PyErr_SetNone(PyExc_KeyboardInterrupt); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 778 | return; |
| 779 | case E_NOMEM: |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 780 | PyErr_NoMemory(); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 781 | return; |
| 782 | case E_EOF: |
| 783 | msg = "unexpected EOF while parsing"; |
| 784 | break; |
| 785 | default: |
| 786 | fprintf(stderr, "error=%d\n", err->error); |
| 787 | msg = "unknown parsing error"; |
| 788 | break; |
| 789 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 790 | w = Py_BuildValue("(sO)", msg, v); |
| 791 | Py_XDECREF(v); |
| 792 | PyErr_SetObject(PyExc_SyntaxError, w); |
| 793 | Py_XDECREF(w); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 794 | } |
| 795 | |
| 796 | /* Print fatal error message and abort */ |
| 797 | |
| 798 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 799 | Py_FatalError(msg) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 800 | char *msg; |
| 801 | { |
Guido van Rossum | 83dd6c3 | 1994-09-29 09:38:33 +0000 | [diff] [blame] | 802 | fprintf(stderr, "Fatal Python error: %s\n", msg); |
Guido van Rossum | 8ae87c0 | 1995-01-26 00:40:38 +0000 | [diff] [blame] | 803 | #ifdef macintosh |
| 804 | for (;;); |
| 805 | #endif |
Guido van Rossum | 9b38a14 | 1996-09-11 23:12:24 +0000 | [diff] [blame] | 806 | #ifdef MS_WIN32 |
Guido van Rossum | 23c9446 | 1997-05-22 20:21:30 +0000 | [diff] [blame] | 807 | OutputDebugString("Fatal Python error: "); |
Guido van Rossum | a44823b | 1995-03-14 15:01:17 +0000 | [diff] [blame] | 808 | OutputDebugString(msg); |
| 809 | OutputDebugString("\n"); |
| 810 | #endif |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 811 | abort(); |
| 812 | } |
| 813 | |
| 814 | /* Clean up and exit */ |
| 815 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 816 | #ifdef WITH_THREAD |
| 817 | #include "thread.h" |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 818 | int _PyThread_Started = 0; /* Set by threadmodule.c and maybe others */ |
Guido van Rossum | f9f2e82 | 1992-08-17 08:59:08 +0000 | [diff] [blame] | 819 | #endif |
| 820 | |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 821 | #define NEXITFUNCS 32 |
| 822 | static void (*exitfuncs[NEXITFUNCS])(); |
| 823 | static int nexitfuncs = 0; |
| 824 | |
| 825 | int Py_AtExit(func) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 826 | void (*func) Py_PROTO((void)); |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 827 | { |
| 828 | if (nexitfuncs >= NEXITFUNCS) |
| 829 | return -1; |
| 830 | exitfuncs[nexitfuncs++] = func; |
| 831 | return 0; |
| 832 | } |
| 833 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 834 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 835 | Py_Cleanup() |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 836 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 837 | PyObject *exitfunc = PySys_GetObject("exitfunc"); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 838 | |
| 839 | if (exitfunc) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 840 | PyObject *res; |
| 841 | Py_INCREF(exitfunc); |
| 842 | PySys_SetObject("exitfunc", (PyObject *)NULL); |
| 843 | res = PyEval_CallObject(exitfunc, (PyObject *)NULL); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 844 | if (res == NULL) { |
| 845 | fprintf(stderr, "Error in sys.exitfunc:\n"); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 846 | PyErr_Print(); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 847 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 848 | Py_DECREF(exitfunc); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 849 | } |
| 850 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 851 | Py_FlushLine(); |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 852 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame^] | 853 | Py_Finalize(); |
| 854 | |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 855 | while (nexitfuncs > 0) |
| 856 | (*exitfuncs[--nexitfuncs])(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame^] | 857 | |
| 858 | fflush(stdout); |
| 859 | fflush(stderr); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 860 | } |
| 861 | |
Sjoerd Mullender | a9c3c22 | 1993-10-11 12:54:31 +0000 | [diff] [blame] | 862 | #ifdef COUNT_ALLOCS |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 863 | extern void dump_counts Py_PROTO((void)); |
Sjoerd Mullender | a9c3c22 | 1993-10-11 12:54:31 +0000 | [diff] [blame] | 864 | #endif |
| 865 | |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 866 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 867 | Py_Exit(sts) |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 868 | int sts; |
| 869 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 870 | Py_Cleanup(); |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 871 | |
Sjoerd Mullender | a9c3c22 | 1993-10-11 12:54:31 +0000 | [diff] [blame] | 872 | #ifdef COUNT_ALLOCS |
| 873 | dump_counts(); |
| 874 | #endif |
| 875 | |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 876 | #ifdef Py_REF_DEBUG |
Guido van Rossum | 6f9e433 | 1995-03-29 16:57:48 +0000 | [diff] [blame] | 877 | fprintf(stderr, "[%ld refs]\n", _Py_RefTotal); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 878 | #endif |
| 879 | |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 880 | #ifdef Py_TRACE_REFS |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 881 | if (_Py_AskYesNo("Print left references?")) { |
Guido van Rossum | ded690f | 1996-05-24 20:48:31 +0000 | [diff] [blame] | 882 | _Py_PrintReferences(stderr); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 883 | } |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 884 | #endif /* Py_TRACE_REFS */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 885 | |
Jack Jansen | 66a8977 | 1995-10-27 13:22:14 +0000 | [diff] [blame] | 886 | #ifdef macintosh |
| 887 | PyMac_Exit(sts); |
| 888 | #else |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 889 | exit(sts); |
Jack Jansen | 66a8977 | 1995-10-27 13:22:14 +0000 | [diff] [blame] | 890 | #endif |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 891 | } |
| 892 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 893 | #ifdef HAVE_SIGNAL_H |
| 894 | static RETSIGTYPE |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 895 | sighandler(sig) |
| 896 | int sig; |
| 897 | { |
| 898 | signal(sig, SIG_DFL); /* Don't catch recursive signals */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 899 | Py_Cleanup(); /* Do essential clean-up */ |
Guido van Rossum | 478e718 | 1997-05-06 15:24:59 +0000 | [diff] [blame] | 900 | #ifdef HAVE_KILL |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 901 | kill(getpid(), sig); /* Pretend the signal killed us */ |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 902 | #else |
| 903 | exit(1); |
| 904 | #endif |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 905 | /*NOTREACHED*/ |
| 906 | } |
| 907 | #endif |
| 908 | |
Guido van Rossum | f1dc566 | 1993-07-05 10:31:29 +0000 | [diff] [blame] | 909 | static void |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 910 | initsigs() |
| 911 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 912 | RETSIGTYPE (*t)(); |
| 913 | #ifdef HAVE_SIGNAL_H |
| 914 | #ifdef SIGPIPE |
| 915 | signal(SIGPIPE, SIG_IGN); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 916 | #endif |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 917 | #ifdef SIGHUP |
| 918 | t = signal(SIGHUP, SIG_IGN); |
| 919 | if (t == SIG_DFL) |
| 920 | signal(SIGHUP, sighandler); |
| 921 | else |
| 922 | signal(SIGHUP, t); |
| 923 | #endif |
| 924 | #ifdef SIGTERM |
| 925 | t = signal(SIGTERM, SIG_IGN); |
| 926 | if (t == SIG_DFL) |
| 927 | signal(SIGTERM, sighandler); |
| 928 | else |
| 929 | signal(SIGTERM, t); |
| 930 | #endif |
| 931 | #endif /* HAVE_SIGNAL_H */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 932 | PyOS_InitInterrupts(); /* May imply initsignal() */ |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 933 | } |
| 934 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame^] | 935 | static void |
| 936 | finisigs() |
| 937 | { |
| 938 | PyOS_FiniInterrupts(); /* May imply finisignal() */ |
| 939 | } |
| 940 | |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 941 | #ifdef Py_TRACE_REFS |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 942 | /* Ask a yes/no question */ |
| 943 | |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 944 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 945 | _Py_AskYesNo(prompt) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 946 | char *prompt; |
| 947 | { |
| 948 | char buf[256]; |
| 949 | |
| 950 | printf("%s [ny] ", prompt); |
| 951 | if (fgets(buf, sizeof buf, stdin) == NULL) |
| 952 | return 0; |
| 953 | return buf[0] == 'y' || buf[0] == 'Y'; |
| 954 | } |
| 955 | #endif |
| 956 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 957 | #ifdef MPW |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 958 | |
| 959 | /* Check for file descriptor connected to interactive device. |
| 960 | Pretend that stdin is always interactive, other files never. */ |
| 961 | |
| 962 | int |
| 963 | isatty(fd) |
| 964 | int fd; |
| 965 | { |
| 966 | return fd == fileno(stdin); |
| 967 | } |
| 968 | |
| 969 | #endif |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 970 | |
| 971 | /* |
| 972 | * The file descriptor fd is considered ``interactive'' if either |
| 973 | * a) isatty(fd) is TRUE, or |
| 974 | * b) the -i flag was given, and the filename associated with |
| 975 | * the descriptor is NULL or "<stdin>" or "???". |
| 976 | */ |
| 977 | int |
| 978 | Py_FdIsInteractive(fp, filename) |
| 979 | FILE *fp; |
| 980 | char *filename; |
| 981 | { |
| 982 | if (isatty((int)fileno(fp))) |
| 983 | return 1; |
| 984 | if (!Py_InteractiveFlag) |
| 985 | return 0; |
| 986 | return (filename == NULL) || |
| 987 | (strcmp(filename, "<stdin>") == 0) || |
| 988 | (strcmp(filename, "???") == 0); |
| 989 | } |