Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1 | /*********************************************************** |
Guido van Rossum | 6d023c9 | 1995-01-04 19:12:13 +0000 | [diff] [blame] | 2 | Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, |
| 3 | The Netherlands. |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 4 | |
| 5 | All Rights Reserved |
| 6 | |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 7 | Permission to use, copy, modify, and distribute this software and its |
| 8 | documentation for any purpose and without fee is hereby granted, |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 9 | provided that the above copyright notice appear in all copies and that |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 10 | both that copyright notice and this permission notice appear in |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 11 | supporting documentation, and that the names of Stichting Mathematisch |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 12 | Centrum or CWI or Corporation for National Research Initiatives or |
| 13 | CNRI not be used in advertising or publicity pertaining to |
| 14 | distribution of the software without specific, written prior |
| 15 | permission. |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 16 | |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 17 | While CWI is the initial source for this software, a modified version |
| 18 | is made available by the Corporation for National Research Initiatives |
| 19 | (CNRI) at the Internet address ftp://ftp.python.org. |
| 20 | |
| 21 | STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH |
| 22 | REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF |
| 23 | MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH |
| 24 | CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL |
| 25 | DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 26 | PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 27 | TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 28 | PERFORMANCE OF THIS SOFTWARE. |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 29 | |
| 30 | ******************************************************************/ |
| 31 | |
| 32 | /* Python interpreter top-level routines, including init/exit */ |
| 33 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 34 | #include "Python.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 35 | |
| 36 | #include "grammar.h" |
| 37 | #include "node.h" |
| 38 | #include "parsetok.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 39 | #include "errcode.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 40 | #include "compile.h" |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 41 | #include "eval.h" |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 42 | #include "marshal.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 43 | |
Guido van Rossum | 80bb965 | 1996-12-05 23:27:02 +0000 | [diff] [blame] | 44 | #ifdef HAVE_UNISTD_H |
| 45 | #include <unistd.h> |
| 46 | #endif |
| 47 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 48 | #ifdef HAVE_SIGNAL_H |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 49 | #include <signal.h> |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 50 | #endif |
| 51 | |
Guido van Rossum | 9b38a14 | 1996-09-11 23:12:24 +0000 | [diff] [blame] | 52 | #ifdef MS_WIN32 |
Guido van Rossum | a44823b | 1995-03-14 15:01:17 +0000 | [diff] [blame] | 53 | #undef BYTE |
| 54 | #include "windows.h" |
| 55 | #endif |
| 56 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 57 | extern char *Py_GetPath(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 58 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 59 | extern grammar _PyParser_Grammar; /* From graminit.c */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 60 | |
Guido van Rossum | b73cc04 | 1993-11-01 16:28:59 +0000 | [diff] [blame] | 61 | /* Forward */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 62 | static void initmain Py_PROTO((void)); |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 63 | static void initsite Py_PROTO((void)); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 64 | static PyObject *run_err_node Py_PROTO((node *n, char *filename, |
| 65 | PyObject *globals, PyObject *locals)); |
| 66 | static PyObject *run_node Py_PROTO((node *n, char *filename, |
| 67 | PyObject *globals, PyObject *locals)); |
| 68 | static PyObject *run_pyc_file Py_PROTO((FILE *fp, char *filename, |
| 69 | PyObject *globals, PyObject *locals)); |
| 70 | static void err_input Py_PROTO((perrdetail *)); |
| 71 | static void initsigs Py_PROTO((void)); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 72 | static void call_sys_exitfunc Py_PROTO((void)); |
| 73 | static void call_ll_exitfuncs Py_PROTO((void)); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 74 | |
Guido van Rossum | bffd683 | 2000-01-20 22:32:56 +0000 | [diff] [blame] | 75 | #ifdef Py_TRACE_REFS |
| 76 | int _Py_AskYesNo(char *prompt); |
| 77 | #endif |
| 78 | |
Guido van Rossum | c94044c | 2000-03-10 23:03:54 +0000 | [diff] [blame] | 79 | extern void _PyUnicode_Init(); |
| 80 | extern void _PyUnicode_Fini(); |
| 81 | extern void _PyCodecRegistry_Init(); |
| 82 | extern void _PyCodecRegistry_Fini(); |
| 83 | |
| 84 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 85 | int Py_DebugFlag; /* Needed by parser.c */ |
| 86 | int Py_VerboseFlag; /* Needed by import.c */ |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 87 | int Py_InteractiveFlag; /* Needed by Py_FdIsInteractive() below */ |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 88 | int Py_NoSiteFlag; /* Suppress 'import site' */ |
Guido van Rossum | 999e5e9 | 1997-10-03 19:46:02 +0000 | [diff] [blame] | 89 | int Py_UseClassExceptionsFlag = 1; /* Needed by bltinmodule.c */ |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 90 | int Py_FrozenFlag; /* Needed by getpath.c */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 91 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 92 | static int initialized = 0; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 93 | |
Guido van Rossum | e3c0d5e | 1997-08-22 04:20:13 +0000 | [diff] [blame] | 94 | /* API to access the initialized flag -- useful for eroteric use */ |
| 95 | |
| 96 | int |
| 97 | Py_IsInitialized() |
| 98 | { |
| 99 | return initialized; |
| 100 | } |
| 101 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 102 | /* Global initializations. Can be undone by Py_Finalize(). Don't |
| 103 | call this twice without an intervening Py_Finalize() call. When |
| 104 | initializations fail, a fatal error is issued and the function does |
| 105 | not return. On return, the first thread and interpreter state have |
| 106 | been created. |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 107 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 108 | Locking: you must hold the interpreter lock while calling this. |
| 109 | (If the lock has not yet been initialized, that's equivalent to |
| 110 | having the lock, but you cannot use multiple threads.) |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 111 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 112 | */ |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 113 | |
| 114 | void |
| 115 | Py_Initialize() |
| 116 | { |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 117 | PyInterpreterState *interp; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 118 | PyThreadState *tstate; |
| 119 | PyObject *bimod, *sysmod; |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 120 | char *p; |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 121 | |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 122 | if (initialized) |
Guido van Rossum | aa61505 | 1997-08-20 22:40:18 +0000 | [diff] [blame] | 123 | return; |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 124 | initialized = 1; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 125 | |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 126 | if ((p = getenv("PYTHONDEBUG")) && *p != '\0') |
| 127 | Py_DebugFlag = 1; |
| 128 | if ((p = getenv("PYTHONVERBOSE")) && *p != '\0') |
| 129 | Py_VerboseFlag = 1; |
Guido van Rossum | 562f5b1 | 1998-10-07 14:50:42 +0000 | [diff] [blame] | 130 | if ((p = getenv("PYTHONOPTIMIZE")) && *p != '\0') |
| 131 | Py_OptimizeFlag = 1; |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 132 | |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 133 | interp = PyInterpreterState_New(); |
| 134 | if (interp == NULL) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 135 | Py_FatalError("Py_Initialize: can't make first interpreter"); |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 136 | |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 137 | tstate = PyThreadState_New(interp); |
| 138 | if (tstate == NULL) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 139 | Py_FatalError("Py_Initialize: can't make first thread"); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 140 | (void) PyThreadState_Swap(tstate); |
| 141 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 142 | interp->modules = PyDict_New(); |
| 143 | if (interp->modules == NULL) |
| 144 | Py_FatalError("Py_Initialize: can't make modules dictionary"); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 145 | |
Guido van Rossum | c94044c | 2000-03-10 23:03:54 +0000 | [diff] [blame] | 146 | /* Init codec registry */ |
| 147 | _PyCodecRegistry_Init(); |
| 148 | |
| 149 | /* Init Unicode implementation; relies on the codec registry */ |
| 150 | _PyUnicode_Init(); |
| 151 | |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 152 | bimod = _PyBuiltin_Init_1(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 153 | if (bimod == NULL) |
| 154 | Py_FatalError("Py_Initialize: can't initialize __builtin__"); |
Guido van Rossum | 4a1f39a | 1997-11-04 19:36:18 +0000 | [diff] [blame] | 155 | interp->builtins = PyModule_GetDict(bimod); |
| 156 | Py_INCREF(interp->builtins); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 157 | |
| 158 | sysmod = _PySys_Init(); |
| 159 | if (sysmod == NULL) |
| 160 | Py_FatalError("Py_Initialize: can't initialize sys"); |
| 161 | interp->sysdict = PyModule_GetDict(sysmod); |
| 162 | Py_INCREF(interp->sysdict); |
| 163 | _PyImport_FixupExtension("sys", "sys"); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 164 | PySys_SetPath(Py_GetPath()); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 165 | PyDict_SetItemString(interp->sysdict, "modules", |
| 166 | interp->modules); |
| 167 | |
Guido van Rossum | 7c85ab8 | 1999-07-08 17:26:56 +0000 | [diff] [blame] | 168 | _PyImport_Init(); |
| 169 | |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 170 | /* phase 2 of builtins */ |
Guido van Rossum | 4a1f39a | 1997-11-04 19:36:18 +0000 | [diff] [blame] | 171 | _PyBuiltin_Init_2(interp->builtins); |
Barry Warsaw | 963b871 | 1997-09-18 16:42:02 +0000 | [diff] [blame] | 172 | _PyImport_FixupExtension("__builtin__", "__builtin__"); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 173 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 174 | initsigs(); /* Signal handling stuff, including initintr() */ |
| 175 | |
| 176 | initmain(); /* Module __main__ */ |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 177 | if (!Py_NoSiteFlag) |
| 178 | initsite(); /* Module site */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 179 | } |
| 180 | |
Guido van Rossum | 2edcf0d | 1998-12-15 16:12:00 +0000 | [diff] [blame] | 181 | #ifdef COUNT_ALLOCS |
| 182 | extern void dump_counts Py_PROTO((void)); |
| 183 | #endif |
| 184 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 185 | /* Undo the effect of Py_Initialize(). |
| 186 | |
| 187 | Beware: if multiple interpreter and/or thread states exist, these |
| 188 | are not wiped out; only the current thread and interpreter state |
| 189 | are deleted. But since everything else is deleted, those other |
| 190 | interpreter and thread states should no longer be used. |
| 191 | |
| 192 | (XXX We should do better, e.g. wipe out all interpreters and |
| 193 | threads.) |
| 194 | |
| 195 | Locking: as above. |
| 196 | |
| 197 | */ |
| 198 | |
| 199 | void |
| 200 | Py_Finalize() |
| 201 | { |
| 202 | PyInterpreterState *interp; |
| 203 | PyThreadState *tstate; |
| 204 | |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 205 | if (!initialized) |
Guido van Rossum | aa61505 | 1997-08-20 22:40:18 +0000 | [diff] [blame] | 206 | return; |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 207 | initialized = 0; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 208 | |
Guido van Rossum | 4cc462e | 1998-01-19 22:00:38 +0000 | [diff] [blame] | 209 | call_sys_exitfunc(); |
| 210 | |
Guido van Rossum | 3a44e1b | 1997-11-03 21:58:47 +0000 | [diff] [blame] | 211 | /* Get current thread state and interpreter pointer */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 212 | tstate = PyThreadState_Get(); |
| 213 | interp = tstate->interp; |
| 214 | |
Guido van Rossum | 3a44e1b | 1997-11-03 21:58:47 +0000 | [diff] [blame] | 215 | /* Disable signal handling */ |
| 216 | PyOS_FiniInterrupts(); |
| 217 | |
| 218 | /* Destroy PyExc_MemoryErrorInst */ |
| 219 | _PyBuiltin_Fini_1(); |
| 220 | |
Guido van Rossum | c94044c | 2000-03-10 23:03:54 +0000 | [diff] [blame] | 221 | /* Cleanup Unicode implementation */ |
| 222 | _PyUnicode_Fini(); |
| 223 | |
| 224 | /* Cleanup Codec registry */ |
| 225 | _PyCodecRegistry_Fini(); |
| 226 | |
Guido van Rossum | 3a44e1b | 1997-11-03 21:58:47 +0000 | [diff] [blame] | 227 | /* Destroy all modules */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 228 | PyImport_Cleanup(); |
Guido van Rossum | 3a44e1b | 1997-11-03 21:58:47 +0000 | [diff] [blame] | 229 | |
Guido van Rossum | 1707aad | 1997-12-08 23:43:45 +0000 | [diff] [blame] | 230 | /* Destroy the database used by _PyImport_{Fixup,Find}Extension */ |
| 231 | _PyImport_Fini(); |
| 232 | |
| 233 | /* Debugging stuff */ |
| 234 | #ifdef COUNT_ALLOCS |
| 235 | dump_counts(); |
| 236 | #endif |
| 237 | |
| 238 | #ifdef Py_REF_DEBUG |
| 239 | fprintf(stderr, "[%ld refs]\n", _Py_RefTotal); |
| 240 | #endif |
| 241 | |
| 242 | #ifdef Py_TRACE_REFS |
| 243 | if (_Py_AskYesNo("Print left references?")) { |
| 244 | _Py_PrintReferences(stderr); |
| 245 | } |
| 246 | #endif /* Py_TRACE_REFS */ |
| 247 | |
Guido van Rossum | 4a1f39a | 1997-11-04 19:36:18 +0000 | [diff] [blame] | 248 | /* Delete current thread */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 249 | PyInterpreterState_Clear(interp); |
| 250 | PyThreadState_Swap(NULL); |
| 251 | PyInterpreterState_Delete(interp); |
| 252 | |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 253 | /* Now we decref the exception classes. After this point nothing |
| 254 | can raise an exception. That's okay, because each Fini() method |
| 255 | below has been checked to make sure no exceptions are ever |
| 256 | raised. |
| 257 | */ |
| 258 | _PyBuiltin_Fini_2(); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 259 | PyMethod_Fini(); |
| 260 | PyFrame_Fini(); |
| 261 | PyCFunction_Fini(); |
| 262 | PyTuple_Fini(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 263 | PyString_Fini(); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 264 | PyInt_Fini(); |
| 265 | PyFloat_Fini(); |
| 266 | |
| 267 | /* XXX Still allocated: |
| 268 | - various static ad-hoc pointers to interned strings |
| 269 | - int and float free list blocks |
| 270 | - whatever various modules and libraries allocate |
| 271 | */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 272 | |
| 273 | PyGrammar_RemoveAccelerators(&_PyParser_Grammar); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 274 | |
| 275 | call_ll_exitfuncs(); |
| 276 | |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 277 | #ifdef Py_TRACE_REFS |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 278 | _Py_ResetReferences(); |
| 279 | #endif /* Py_TRACE_REFS */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 280 | } |
| 281 | |
| 282 | /* Create and initialize a new interpreter and thread, and return the |
| 283 | new thread. This requires that Py_Initialize() has been called |
| 284 | first. |
| 285 | |
| 286 | Unsuccessful initialization yields a NULL pointer. Note that *no* |
| 287 | exception information is available even in this case -- the |
| 288 | exception information is held in the thread, and there is no |
| 289 | thread. |
| 290 | |
| 291 | Locking: as above. |
| 292 | |
| 293 | */ |
| 294 | |
| 295 | PyThreadState * |
| 296 | Py_NewInterpreter() |
| 297 | { |
| 298 | PyInterpreterState *interp; |
| 299 | PyThreadState *tstate, *save_tstate; |
| 300 | PyObject *bimod, *sysmod; |
| 301 | |
| 302 | if (!initialized) |
| 303 | Py_FatalError("Py_NewInterpreter: call Py_Initialize first"); |
| 304 | |
| 305 | interp = PyInterpreterState_New(); |
| 306 | if (interp == NULL) |
| 307 | return NULL; |
| 308 | |
| 309 | tstate = PyThreadState_New(interp); |
| 310 | if (tstate == NULL) { |
| 311 | PyInterpreterState_Delete(interp); |
| 312 | return NULL; |
| 313 | } |
| 314 | |
| 315 | save_tstate = PyThreadState_Swap(tstate); |
| 316 | |
| 317 | /* XXX The following is lax in error checking */ |
| 318 | |
| 319 | interp->modules = PyDict_New(); |
| 320 | |
| 321 | bimod = _PyImport_FindExtension("__builtin__", "__builtin__"); |
| 322 | if (bimod != NULL) { |
Guido van Rossum | 4a1f39a | 1997-11-04 19:36:18 +0000 | [diff] [blame] | 323 | interp->builtins = PyModule_GetDict(bimod); |
| 324 | Py_INCREF(interp->builtins); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 325 | } |
| 326 | sysmod = _PyImport_FindExtension("sys", "sys"); |
| 327 | if (bimod != NULL && sysmod != NULL) { |
| 328 | interp->sysdict = PyModule_GetDict(sysmod); |
| 329 | Py_INCREF(interp->sysdict); |
| 330 | PySys_SetPath(Py_GetPath()); |
| 331 | PyDict_SetItemString(interp->sysdict, "modules", |
| 332 | interp->modules); |
| 333 | initmain(); |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 334 | if (!Py_NoSiteFlag) |
| 335 | initsite(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 336 | } |
| 337 | |
| 338 | if (!PyErr_Occurred()) |
| 339 | return tstate; |
| 340 | |
| 341 | /* Oops, it didn't work. Undo it all. */ |
| 342 | |
| 343 | PyErr_Print(); |
| 344 | PyThreadState_Clear(tstate); |
| 345 | PyThreadState_Swap(save_tstate); |
| 346 | PyThreadState_Delete(tstate); |
| 347 | PyInterpreterState_Delete(interp); |
| 348 | |
| 349 | return NULL; |
| 350 | } |
| 351 | |
| 352 | /* Delete an interpreter and its last thread. This requires that the |
| 353 | given thread state is current, that the thread has no remaining |
| 354 | frames, and that it is its interpreter's only remaining thread. |
| 355 | It is a fatal error to violate these constraints. |
| 356 | |
| 357 | (Py_Finalize() doesn't have these constraints -- it zaps |
| 358 | everything, regardless.) |
| 359 | |
| 360 | Locking: as above. |
| 361 | |
| 362 | */ |
| 363 | |
| 364 | void |
| 365 | Py_EndInterpreter(tstate) |
| 366 | PyThreadState *tstate; |
| 367 | { |
| 368 | PyInterpreterState *interp = tstate->interp; |
| 369 | |
| 370 | if (tstate != PyThreadState_Get()) |
| 371 | Py_FatalError("Py_EndInterpreter: thread is not current"); |
| 372 | if (tstate->frame != NULL) |
| 373 | Py_FatalError("Py_EndInterpreter: thread still has a frame"); |
| 374 | if (tstate != interp->tstate_head || tstate->next != NULL) |
| 375 | Py_FatalError("Py_EndInterpreter: not the last thread"); |
| 376 | |
| 377 | PyImport_Cleanup(); |
| 378 | PyInterpreterState_Clear(interp); |
| 379 | PyThreadState_Swap(NULL); |
| 380 | PyInterpreterState_Delete(interp); |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 381 | } |
| 382 | |
| 383 | static char *progname = "python"; |
| 384 | |
| 385 | void |
| 386 | Py_SetProgramName(pn) |
| 387 | char *pn; |
| 388 | { |
| 389 | if (pn && *pn) |
| 390 | progname = pn; |
| 391 | } |
| 392 | |
| 393 | char * |
| 394 | Py_GetProgramName() |
| 395 | { |
| 396 | return progname; |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 397 | } |
| 398 | |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 399 | static char *default_home = NULL; |
| 400 | |
| 401 | void |
| 402 | Py_SetPythonHome(home) |
| 403 | char *home; |
| 404 | { |
| 405 | default_home = home; |
| 406 | } |
| 407 | |
| 408 | char * |
| 409 | Py_GetPythonHome() |
| 410 | { |
| 411 | char *home = default_home; |
| 412 | if (home == NULL) |
| 413 | home = getenv("PYTHONHOME"); |
| 414 | return home; |
| 415 | } |
| 416 | |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 417 | /* Create __main__ module */ |
| 418 | |
| 419 | static void |
| 420 | initmain() |
| 421 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 422 | PyObject *m, *d; |
| 423 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 424 | if (m == NULL) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 425 | Py_FatalError("can't create __main__ module"); |
| 426 | d = PyModule_GetDict(m); |
| 427 | if (PyDict_GetItemString(d, "__builtins__") == NULL) { |
Guido van Rossum | 858cb73 | 1997-11-19 16:15:37 +0000 | [diff] [blame] | 428 | PyObject *bimod = PyImport_ImportModule("__builtin__"); |
| 429 | if (bimod == NULL || |
| 430 | PyDict_SetItemString(d, "__builtins__", bimod) != 0) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 431 | Py_FatalError("can't add __builtins__ to __main__"); |
Barry Warsaw | 3d05b1a | 1999-01-29 21:30:22 +0000 | [diff] [blame] | 432 | Py_DECREF(bimod); |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 433 | } |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 434 | } |
| 435 | |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 436 | /* Import the site module (not into __main__ though) */ |
| 437 | |
| 438 | static void |
| 439 | initsite() |
| 440 | { |
| 441 | PyObject *m, *f; |
| 442 | m = PyImport_ImportModule("site"); |
| 443 | if (m == NULL) { |
| 444 | f = PySys_GetObject("stderr"); |
| 445 | if (Py_VerboseFlag) { |
| 446 | PyFile_WriteString( |
| 447 | "'import site' failed; traceback:\n", f); |
| 448 | PyErr_Print(); |
| 449 | } |
| 450 | else { |
| 451 | PyFile_WriteString( |
| 452 | "'import site' failed; use -v for traceback\n", f); |
| 453 | PyErr_Clear(); |
| 454 | } |
| 455 | } |
| 456 | else { |
| 457 | Py_DECREF(m); |
| 458 | } |
| 459 | } |
| 460 | |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 461 | /* Parse input from a file and execute it */ |
| 462 | |
| 463 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 464 | PyRun_AnyFile(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 465 | FILE *fp; |
| 466 | char *filename; |
| 467 | { |
| 468 | if (filename == NULL) |
| 469 | filename = "???"; |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 470 | if (Py_FdIsInteractive(fp, filename)) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 471 | return PyRun_InteractiveLoop(fp, filename); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 472 | else |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 473 | return PyRun_SimpleFile(fp, filename); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 474 | } |
| 475 | |
| 476 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 477 | PyRun_InteractiveLoop(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 478 | FILE *fp; |
| 479 | char *filename; |
| 480 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 481 | PyObject *v; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 482 | int ret; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 483 | v = PySys_GetObject("ps1"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 484 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 485 | PySys_SetObject("ps1", v = PyString_FromString(">>> ")); |
| 486 | Py_XDECREF(v); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 487 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 488 | v = PySys_GetObject("ps2"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 489 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 490 | PySys_SetObject("ps2", v = PyString_FromString("... ")); |
| 491 | Py_XDECREF(v); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 492 | } |
| 493 | for (;;) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 494 | ret = PyRun_InteractiveOne(fp, filename); |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 495 | #ifdef Py_REF_DEBUG |
Guido van Rossum | 6f9e433 | 1995-03-29 16:57:48 +0000 | [diff] [blame] | 496 | fprintf(stderr, "[%ld refs]\n", _Py_RefTotal); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 497 | #endif |
| 498 | if (ret == E_EOF) |
| 499 | return 0; |
| 500 | /* |
| 501 | if (ret == E_NOMEM) |
| 502 | return -1; |
| 503 | */ |
| 504 | } |
| 505 | } |
| 506 | |
| 507 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 508 | PyRun_InteractiveOne(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 509 | FILE *fp; |
| 510 | char *filename; |
| 511 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 512 | PyObject *m, *d, *v, *w; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 513 | node *n; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 514 | perrdetail err; |
Guido van Rossum | ddc3fb5 | 1997-11-25 20:58:13 +0000 | [diff] [blame] | 515 | char *ps1 = "", *ps2 = ""; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 516 | v = PySys_GetObject("ps1"); |
Guido van Rossum | ddc3fb5 | 1997-11-25 20:58:13 +0000 | [diff] [blame] | 517 | if (v != NULL) { |
| 518 | v = PyObject_Str(v); |
| 519 | if (v == NULL) |
| 520 | PyErr_Clear(); |
| 521 | else if (PyString_Check(v)) |
| 522 | ps1 = PyString_AsString(v); |
| 523 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 524 | w = PySys_GetObject("ps2"); |
Guido van Rossum | ddc3fb5 | 1997-11-25 20:58:13 +0000 | [diff] [blame] | 525 | if (w != NULL) { |
| 526 | w = PyObject_Str(w); |
| 527 | if (w == NULL) |
| 528 | PyErr_Clear(); |
| 529 | else if (PyString_Check(w)) |
| 530 | ps2 = PyString_AsString(w); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 531 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 532 | n = PyParser_ParseFile(fp, filename, &_PyParser_Grammar, |
Guido van Rossum | b05a5c7 | 1997-05-07 17:46:13 +0000 | [diff] [blame] | 533 | Py_single_input, ps1, ps2, &err); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 534 | Py_XDECREF(v); |
| 535 | Py_XDECREF(w); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 536 | if (n == NULL) { |
| 537 | if (err.error == E_EOF) { |
| 538 | if (err.text) |
| 539 | free(err.text); |
| 540 | return E_EOF; |
| 541 | } |
| 542 | err_input(&err); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 543 | PyErr_Print(); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 544 | return err.error; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 545 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 546 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 547 | if (m == NULL) |
| 548 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 549 | d = PyModule_GetDict(m); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 550 | v = run_node(n, filename, d, d); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 551 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 552 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 553 | return -1; |
| 554 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 555 | Py_DECREF(v); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 556 | if (Py_FlushLine()) |
| 557 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 558 | return 0; |
| 559 | } |
| 560 | |
| 561 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 562 | PyRun_SimpleFile(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 563 | FILE *fp; |
| 564 | char *filename; |
| 565 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 566 | PyObject *m, *d, *v; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 567 | char *ext; |
| 568 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 569 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 570 | if (m == NULL) |
| 571 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 572 | d = PyModule_GetDict(m); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 573 | ext = filename + strlen(filename) - 4; |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 574 | if (strcmp(ext, ".pyc") == 0 || strcmp(ext, ".pyo") == 0 |
Jack Jansen | bd06e96 | 1995-02-13 11:44:56 +0000 | [diff] [blame] | 575 | #ifdef macintosh |
| 576 | /* 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] | 577 | || getfiletype(filename) == 'PYC ' |
| 578 | || getfiletype(filename) == 'APPL' |
Jack Jansen | bd06e96 | 1995-02-13 11:44:56 +0000 | [diff] [blame] | 579 | #endif /* macintosh */ |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 580 | ) { |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 581 | /* Try to run a pyc file. First, re-open in binary */ |
Jack Jansen | e00637b | 1994-12-14 12:58:37 +0000 | [diff] [blame] | 582 | /* Don't close, done in main: fclose(fp); */ |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 583 | if( (fp = fopen(filename, "rb")) == NULL ) { |
| 584 | fprintf(stderr, "python: Can't reopen .pyc file\n"); |
| 585 | return -1; |
| 586 | } |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 587 | /* Turn on optimization if a .pyo file is given */ |
| 588 | if (strcmp(ext, ".pyo") == 0) |
| 589 | Py_OptimizeFlag = 1; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 590 | v = run_pyc_file(fp, filename, d, d); |
| 591 | } else { |
Guido van Rossum | b05a5c7 | 1997-05-07 17:46:13 +0000 | [diff] [blame] | 592 | v = PyRun_File(fp, filename, Py_file_input, d, d); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 593 | } |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 594 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 595 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 596 | return -1; |
| 597 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 598 | Py_DECREF(v); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 599 | if (Py_FlushLine()) |
| 600 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 601 | return 0; |
| 602 | } |
| 603 | |
| 604 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 605 | PyRun_SimpleString(command) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 606 | char *command; |
| 607 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 608 | PyObject *m, *d, *v; |
| 609 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 610 | if (m == NULL) |
| 611 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 612 | d = PyModule_GetDict(m); |
Guido van Rossum | b05a5c7 | 1997-05-07 17:46:13 +0000 | [diff] [blame] | 613 | v = PyRun_String(command, Py_file_input, d, d); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 614 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 615 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 616 | return -1; |
| 617 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 618 | Py_DECREF(v); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 619 | if (Py_FlushLine()) |
| 620 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 621 | return 0; |
| 622 | } |
| 623 | |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 624 | static int |
| 625 | parse_syntax_error(err, message, filename, lineno, offset, text) |
| 626 | PyObject* err; |
| 627 | PyObject** message; |
| 628 | char** filename; |
| 629 | int* lineno; |
| 630 | int* offset; |
| 631 | char** text; |
| 632 | { |
| 633 | long hold; |
| 634 | PyObject *v; |
| 635 | |
| 636 | /* old style errors */ |
| 637 | if (PyTuple_Check(err)) |
| 638 | return PyArg_Parse(err, "(O(ziiz))", message, filename, |
| 639 | lineno, offset, text); |
| 640 | |
| 641 | /* new style errors. `err' is an instance */ |
| 642 | |
| 643 | if (! (v = PyObject_GetAttrString(err, "msg"))) |
| 644 | goto finally; |
| 645 | *message = v; |
| 646 | |
| 647 | if (!(v = PyObject_GetAttrString(err, "filename"))) |
| 648 | goto finally; |
| 649 | if (v == Py_None) |
| 650 | *filename = NULL; |
| 651 | else if (! (*filename = PyString_AsString(v))) |
| 652 | goto finally; |
| 653 | |
| 654 | Py_DECREF(v); |
| 655 | if (!(v = PyObject_GetAttrString(err, "lineno"))) |
| 656 | goto finally; |
| 657 | hold = PyInt_AsLong(v); |
| 658 | Py_DECREF(v); |
| 659 | v = NULL; |
| 660 | if (hold < 0 && PyErr_Occurred()) |
| 661 | goto finally; |
| 662 | *lineno = (int)hold; |
| 663 | |
| 664 | if (!(v = PyObject_GetAttrString(err, "offset"))) |
| 665 | goto finally; |
| 666 | hold = PyInt_AsLong(v); |
| 667 | Py_DECREF(v); |
| 668 | v = NULL; |
| 669 | if (hold < 0 && PyErr_Occurred()) |
| 670 | goto finally; |
| 671 | *offset = (int)hold; |
| 672 | |
| 673 | if (!(v = PyObject_GetAttrString(err, "text"))) |
| 674 | goto finally; |
| 675 | if (v == Py_None) |
| 676 | *text = NULL; |
| 677 | else if (! (*text = PyString_AsString(v))) |
| 678 | goto finally; |
| 679 | Py_DECREF(v); |
| 680 | return 1; |
| 681 | |
| 682 | finally: |
| 683 | Py_XDECREF(v); |
| 684 | return 0; |
| 685 | } |
| 686 | |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 687 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 688 | PyErr_Print() |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 689 | { |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 690 | PyErr_PrintEx(1); |
| 691 | } |
| 692 | |
| 693 | void |
| 694 | PyErr_PrintEx(set_sys_last_vars) |
| 695 | int set_sys_last_vars; |
| 696 | { |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 697 | int err = 0; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 698 | PyObject *exception, *v, *tb, *f; |
| 699 | PyErr_Fetch(&exception, &v, &tb); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 700 | PyErr_NormalizeException(&exception, &v, &tb); |
| 701 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 702 | if (exception == NULL) |
Guido van Rossum | 296b475 | 1997-05-23 00:19:20 +0000 | [diff] [blame] | 703 | return; |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 704 | |
Barry Warsaw | 36b8f94 | 1997-08-26 18:09:48 +0000 | [diff] [blame] | 705 | if (PyErr_GivenExceptionMatches(exception, PyExc_SystemExit)) { |
Guido van Rossum | 0829c75 | 1998-02-28 04:31:39 +0000 | [diff] [blame] | 706 | if (Py_FlushLine()) |
| 707 | PyErr_Clear(); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 708 | fflush(stdout); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 709 | if (v == NULL || v == Py_None) |
| 710 | Py_Exit(0); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 711 | if (PyInstance_Check(v)) { |
| 712 | /* we expect the error code to be store in the |
| 713 | `code' attribute |
| 714 | */ |
| 715 | PyObject *code = PyObject_GetAttrString(v, "code"); |
| 716 | if (code) { |
| 717 | Py_DECREF(v); |
| 718 | v = code; |
Guido van Rossum | aa9606f | 1997-10-03 13:53:28 +0000 | [diff] [blame] | 719 | if (v == Py_None) |
| 720 | Py_Exit(0); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 721 | } |
| 722 | /* if we failed to dig out the "code" attribute, |
| 723 | then just let the else clause below print the |
| 724 | error |
| 725 | */ |
| 726 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 727 | if (PyInt_Check(v)) |
| 728 | Py_Exit((int)PyInt_AsLong(v)); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 729 | else { |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 730 | /* OK to use real stderr here */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 731 | PyObject_Print(v, stderr, Py_PRINT_RAW); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 732 | fprintf(stderr, "\n"); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 733 | Py_Exit(1); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 734 | } |
| 735 | } |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 736 | if (set_sys_last_vars) { |
| 737 | PySys_SetObject("last_type", exception); |
| 738 | PySys_SetObject("last_value", v); |
| 739 | PySys_SetObject("last_traceback", tb); |
| 740 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 741 | f = PySys_GetObject("stderr"); |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 742 | if (f == NULL) |
| 743 | fprintf(stderr, "lost sys.stderr\n"); |
| 744 | else { |
Guido van Rossum | 0829c75 | 1998-02-28 04:31:39 +0000 | [diff] [blame] | 745 | if (Py_FlushLine()) |
| 746 | PyErr_Clear(); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 747 | fflush(stdout); |
Guido van Rossum | 0829c75 | 1998-02-28 04:31:39 +0000 | [diff] [blame] | 748 | err = PyTraceBack_Print(tb, f); |
Barry Warsaw | 36b8f94 | 1997-08-26 18:09:48 +0000 | [diff] [blame] | 749 | if (err == 0 && |
| 750 | PyErr_GivenExceptionMatches(exception, PyExc_SyntaxError)) |
| 751 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 752 | PyObject *message; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 753 | char *filename, *text; |
| 754 | int lineno, offset; |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 755 | if (!parse_syntax_error(v, &message, &filename, |
| 756 | &lineno, &offset, &text)) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 757 | PyErr_Clear(); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 758 | else { |
| 759 | char buf[10]; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 760 | PyFile_WriteString(" File \"", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 761 | if (filename == NULL) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 762 | PyFile_WriteString("<string>", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 763 | else |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 764 | PyFile_WriteString(filename, f); |
| 765 | PyFile_WriteString("\", line ", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 766 | sprintf(buf, "%d", lineno); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 767 | PyFile_WriteString(buf, f); |
| 768 | PyFile_WriteString("\n", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 769 | if (text != NULL) { |
Guido van Rossum | 798199d | 1994-09-19 08:08:50 +0000 | [diff] [blame] | 770 | char *nl; |
| 771 | if (offset > 0 && |
Guido van Rossum | 478e718 | 1997-05-06 15:24:59 +0000 | [diff] [blame] | 772 | offset == (int)strlen(text)) |
Guido van Rossum | 798199d | 1994-09-19 08:08:50 +0000 | [diff] [blame] | 773 | offset--; |
| 774 | for (;;) { |
| 775 | nl = strchr(text, '\n'); |
| 776 | if (nl == NULL || |
| 777 | nl-text >= offset) |
| 778 | break; |
| 779 | offset -= (nl+1-text); |
| 780 | text = nl+1; |
| 781 | } |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 782 | while (*text == ' ' || *text == '\t') { |
| 783 | text++; |
| 784 | offset--; |
| 785 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 786 | PyFile_WriteString(" ", f); |
| 787 | PyFile_WriteString(text, f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 788 | if (*text == '\0' || |
| 789 | text[strlen(text)-1] != '\n') |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 790 | PyFile_WriteString("\n", f); |
| 791 | PyFile_WriteString(" ", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 792 | offset--; |
| 793 | while (offset > 0) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 794 | PyFile_WriteString(" ", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 795 | offset--; |
| 796 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 797 | PyFile_WriteString("^\n", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 798 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 799 | Py_INCREF(message); |
| 800 | Py_DECREF(v); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 801 | v = message; |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 802 | /* Can't be bothered to check all those |
| 803 | PyFile_WriteString() calls */ |
| 804 | if (PyErr_Occurred()) |
| 805 | err = -1; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 806 | } |
| 807 | } |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 808 | if (err) { |
| 809 | /* Don't do anything else */ |
| 810 | } |
| 811 | else if (PyClass_Check(exception)) { |
Barry Warsaw | 2f5f6a2 | 1997-09-16 21:42:03 +0000 | [diff] [blame] | 812 | PyClassObject* exc = (PyClassObject*)exception; |
| 813 | PyObject* className = exc->cl_name; |
| 814 | PyObject* moduleName = |
| 815 | PyDict_GetItemString(exc->cl_dict, "__module__"); |
| 816 | |
| 817 | if (moduleName == NULL) |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 818 | err = PyFile_WriteString("<unknown>", f); |
Barry Warsaw | 2f5f6a2 | 1997-09-16 21:42:03 +0000 | [diff] [blame] | 819 | else { |
| 820 | char* modstr = PyString_AsString(moduleName); |
| 821 | if (modstr && strcmp(modstr, "exceptions")) |
| 822 | { |
| 823 | err = PyFile_WriteString(modstr, f); |
| 824 | err += PyFile_WriteString(".", f); |
| 825 | } |
| 826 | } |
| 827 | if (err == 0) { |
| 828 | if (className == NULL) |
| 829 | err = PyFile_WriteString("<unknown>", f); |
| 830 | else |
| 831 | err = PyFile_WriteObject(className, f, |
| 832 | Py_PRINT_RAW); |
| 833 | } |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 834 | } |
| 835 | else |
| 836 | err = PyFile_WriteObject(exception, f, Py_PRINT_RAW); |
| 837 | if (err == 0) { |
| 838 | if (v != NULL && v != Py_None) { |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 839 | PyObject *s = PyObject_Str(v); |
| 840 | /* only print colon if the str() of the |
| 841 | object is not the empty string |
| 842 | */ |
Guido van Rossum | d6bf45b | 1997-09-05 19:11:53 +0000 | [diff] [blame] | 843 | if (s == NULL) |
| 844 | err = -1; |
| 845 | else if (!PyString_Check(s) || |
| 846 | PyString_GET_SIZE(s) != 0) |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 847 | err = PyFile_WriteString(": ", f); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 848 | if (err == 0) |
Guido van Rossum | d6bf45b | 1997-09-05 19:11:53 +0000 | [diff] [blame] | 849 | err = PyFile_WriteObject(s, f, Py_PRINT_RAW); |
| 850 | Py_XDECREF(s); |
Guido van Rossum | 262e124 | 1995-02-07 15:30:45 +0000 | [diff] [blame] | 851 | } |
Guido van Rossum | 262e124 | 1995-02-07 15:30:45 +0000 | [diff] [blame] | 852 | } |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 853 | if (err == 0) |
| 854 | err = PyFile_WriteString("\n", f); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 855 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 856 | Py_XDECREF(exception); |
| 857 | Py_XDECREF(v); |
| 858 | Py_XDECREF(tb); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 859 | /* If an error happened here, don't show it. |
| 860 | XXX This is wrong, but too many callers rely on this behavior. */ |
| 861 | if (err != 0) |
| 862 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 863 | } |
| 864 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 865 | PyObject * |
| 866 | PyRun_String(str, start, globals, locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 867 | char *str; |
| 868 | int start; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 869 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 870 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 871 | return run_err_node(PyParser_SimpleParseString(str, start), |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 872 | "<string>", globals, locals); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 873 | } |
| 874 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 875 | PyObject * |
| 876 | PyRun_File(fp, filename, start, globals, locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 877 | FILE *fp; |
| 878 | char *filename; |
| 879 | int start; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 880 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 881 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 882 | return run_err_node(PyParser_SimpleParseFile(fp, filename, start), |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 883 | filename, globals, locals); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 884 | } |
| 885 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 886 | static PyObject * |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 887 | run_err_node(n, filename, globals, locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 888 | node *n; |
| 889 | char *filename; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 890 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 891 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 892 | if (n == NULL) |
| 893 | return NULL; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 894 | return run_node(n, filename, globals, locals); |
| 895 | } |
| 896 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 897 | static PyObject * |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 898 | run_node(n, filename, globals, locals) |
| 899 | node *n; |
| 900 | char *filename; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 901 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 902 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 903 | PyCodeObject *co; |
| 904 | PyObject *v; |
| 905 | co = PyNode_Compile(n, filename); |
| 906 | PyNode_Free(n); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 907 | if (co == NULL) |
| 908 | return NULL; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 909 | v = PyEval_EvalCode(co, globals, locals); |
| 910 | Py_DECREF(co); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 911 | return v; |
| 912 | } |
| 913 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 914 | static PyObject * |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 915 | run_pyc_file(fp, filename, globals, locals) |
| 916 | FILE *fp; |
| 917 | char *filename; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 918 | PyObject *globals, *locals; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 919 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 920 | PyCodeObject *co; |
| 921 | PyObject *v; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 922 | long magic; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 923 | long PyImport_GetMagicNumber(); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 924 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 925 | magic = PyMarshal_ReadLongFromFile(fp); |
| 926 | if (magic != PyImport_GetMagicNumber()) { |
| 927 | PyErr_SetString(PyExc_RuntimeError, |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 928 | "Bad magic number in .pyc file"); |
| 929 | return NULL; |
| 930 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 931 | (void) PyMarshal_ReadLongFromFile(fp); |
| 932 | v = PyMarshal_ReadObjectFromFile(fp); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 933 | fclose(fp); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 934 | if (v == NULL || !PyCode_Check(v)) { |
| 935 | Py_XDECREF(v); |
| 936 | PyErr_SetString(PyExc_RuntimeError, |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 937 | "Bad code object in .pyc file"); |
| 938 | return NULL; |
| 939 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 940 | co = (PyCodeObject *)v; |
| 941 | v = PyEval_EvalCode(co, globals, locals); |
| 942 | Py_DECREF(co); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 943 | return v; |
| 944 | } |
| 945 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 946 | PyObject * |
| 947 | Py_CompileString(str, filename, start) |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 948 | char *str; |
| 949 | char *filename; |
| 950 | int start; |
| 951 | { |
| 952 | node *n; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 953 | PyCodeObject *co; |
| 954 | n = PyParser_SimpleParseString(str, start); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 955 | if (n == NULL) |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 956 | return NULL; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 957 | co = PyNode_Compile(n, filename); |
| 958 | PyNode_Free(n); |
| 959 | return (PyObject *)co; |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 960 | } |
| 961 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 962 | /* Simplified interface to parsefile -- return node or set exception */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 963 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 964 | node * |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 965 | PyParser_SimpleParseFile(fp, filename, start) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 966 | FILE *fp; |
| 967 | char *filename; |
| 968 | int start; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 969 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 970 | node *n; |
| 971 | perrdetail err; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 972 | n = PyParser_ParseFile(fp, filename, &_PyParser_Grammar, start, |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 973 | (char *)0, (char *)0, &err); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 974 | if (n == NULL) |
| 975 | err_input(&err); |
| 976 | return n; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 977 | } |
| 978 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 979 | /* Simplified interface to parsestring -- return node or set exception */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 980 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 981 | node * |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 982 | PyParser_SimpleParseString(str, start) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 983 | char *str; |
| 984 | int start; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 985 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 986 | node *n; |
| 987 | perrdetail err; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 988 | n = PyParser_ParseString(str, &_PyParser_Grammar, start, &err); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 989 | if (n == NULL) |
| 990 | err_input(&err); |
| 991 | return n; |
| 992 | } |
| 993 | |
| 994 | /* Set the error appropriate to the given input error code (see errcode.h) */ |
| 995 | |
| 996 | static void |
| 997 | err_input(err) |
| 998 | perrdetail *err; |
| 999 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1000 | PyObject *v, *w; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1001 | char *msg = NULL; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1002 | v = Py_BuildValue("(ziiz)", err->filename, |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1003 | err->lineno, err->offset, err->text); |
| 1004 | if (err->text != NULL) { |
| 1005 | free(err->text); |
| 1006 | err->text = NULL; |
| 1007 | } |
| 1008 | switch (err->error) { |
| 1009 | case E_SYNTAX: |
| 1010 | msg = "invalid syntax"; |
| 1011 | break; |
| 1012 | case E_TOKEN: |
| 1013 | msg = "invalid token"; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1014 | break; |
| 1015 | case E_INTR: |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1016 | PyErr_SetNone(PyExc_KeyboardInterrupt); |
Barry Warsaw | c80baa3 | 1999-01-27 16:39:40 +0000 | [diff] [blame] | 1017 | Py_XDECREF(v); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1018 | return; |
| 1019 | case E_NOMEM: |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1020 | PyErr_NoMemory(); |
Barry Warsaw | c80baa3 | 1999-01-27 16:39:40 +0000 | [diff] [blame] | 1021 | Py_XDECREF(v); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1022 | return; |
| 1023 | case E_EOF: |
| 1024 | msg = "unexpected EOF while parsing"; |
| 1025 | break; |
Guido van Rossum | 560e8ad | 1998-04-10 19:43:42 +0000 | [diff] [blame] | 1026 | case E_INDENT: |
| 1027 | msg = "inconsistent use of tabs and spaces in indentation"; |
| 1028 | break; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1029 | default: |
| 1030 | fprintf(stderr, "error=%d\n", err->error); |
| 1031 | msg = "unknown parsing error"; |
| 1032 | break; |
| 1033 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1034 | w = Py_BuildValue("(sO)", msg, v); |
| 1035 | Py_XDECREF(v); |
| 1036 | PyErr_SetObject(PyExc_SyntaxError, w); |
| 1037 | Py_XDECREF(w); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1038 | } |
| 1039 | |
| 1040 | /* Print fatal error message and abort */ |
| 1041 | |
| 1042 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1043 | Py_FatalError(msg) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1044 | char *msg; |
| 1045 | { |
Guido van Rossum | 83dd6c3 | 1994-09-29 09:38:33 +0000 | [diff] [blame] | 1046 | fprintf(stderr, "Fatal Python error: %s\n", msg); |
Guido van Rossum | 8ae87c0 | 1995-01-26 00:40:38 +0000 | [diff] [blame] | 1047 | #ifdef macintosh |
| 1048 | for (;;); |
| 1049 | #endif |
Guido van Rossum | 9b38a14 | 1996-09-11 23:12:24 +0000 | [diff] [blame] | 1050 | #ifdef MS_WIN32 |
Guido van Rossum | 23c9446 | 1997-05-22 20:21:30 +0000 | [diff] [blame] | 1051 | OutputDebugString("Fatal Python error: "); |
Guido van Rossum | a44823b | 1995-03-14 15:01:17 +0000 | [diff] [blame] | 1052 | OutputDebugString(msg); |
| 1053 | OutputDebugString("\n"); |
Guido van Rossum | 0ba3536 | 1998-08-13 13:33:16 +0000 | [diff] [blame] | 1054 | #ifdef _DEBUG |
| 1055 | DebugBreak(); |
Guido van Rossum | a44823b | 1995-03-14 15:01:17 +0000 | [diff] [blame] | 1056 | #endif |
Guido van Rossum | 0ba3536 | 1998-08-13 13:33:16 +0000 | [diff] [blame] | 1057 | #endif /* MS_WIN32 */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1058 | abort(); |
| 1059 | } |
| 1060 | |
| 1061 | /* Clean up and exit */ |
| 1062 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1063 | #ifdef WITH_THREAD |
Guido van Rossum | 49b5606 | 1998-10-01 20:42:43 +0000 | [diff] [blame] | 1064 | #include "pythread.h" |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1065 | int _PyThread_Started = 0; /* Set by threadmodule.c and maybe others */ |
Guido van Rossum | f9f2e82 | 1992-08-17 08:59:08 +0000 | [diff] [blame] | 1066 | #endif |
| 1067 | |
Guido van Rossum | 2dcfc96 | 1998-10-01 16:01:57 +0000 | [diff] [blame] | 1068 | #define NEXITFUNCS 32 |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1069 | static void (*exitfuncs[NEXITFUNCS])(); |
| 1070 | static int nexitfuncs = 0; |
| 1071 | |
| 1072 | int Py_AtExit(func) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1073 | void (*func) Py_PROTO((void)); |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1074 | { |
| 1075 | if (nexitfuncs >= NEXITFUNCS) |
| 1076 | return -1; |
| 1077 | exitfuncs[nexitfuncs++] = func; |
| 1078 | return 0; |
| 1079 | } |
| 1080 | |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1081 | static void |
| 1082 | call_sys_exitfunc() |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1083 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1084 | PyObject *exitfunc = PySys_GetObject("exitfunc"); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1085 | |
| 1086 | if (exitfunc) { |
Guido van Rossum | bf02fb2 | 1998-04-03 21:12:12 +0000 | [diff] [blame] | 1087 | PyObject *res, *f; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1088 | Py_INCREF(exitfunc); |
| 1089 | PySys_SetObject("exitfunc", (PyObject *)NULL); |
Guido van Rossum | bf02fb2 | 1998-04-03 21:12:12 +0000 | [diff] [blame] | 1090 | f = PySys_GetObject("stderr"); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1091 | res = PyEval_CallObject(exitfunc, (PyObject *)NULL); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1092 | if (res == NULL) { |
Guido van Rossum | bf02fb2 | 1998-04-03 21:12:12 +0000 | [diff] [blame] | 1093 | if (f) |
| 1094 | PyFile_WriteString("Error in sys.exitfunc:\n", f); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1095 | PyErr_Print(); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1096 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1097 | Py_DECREF(exitfunc); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1098 | } |
| 1099 | |
Guido van Rossum | 0829c75 | 1998-02-28 04:31:39 +0000 | [diff] [blame] | 1100 | if (Py_FlushLine()) |
| 1101 | PyErr_Clear(); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1102 | } |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1103 | |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1104 | static void |
| 1105 | call_ll_exitfuncs() |
| 1106 | { |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1107 | while (nexitfuncs > 0) |
| 1108 | (*exitfuncs[--nexitfuncs])(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 1109 | |
| 1110 | fflush(stdout); |
| 1111 | fflush(stderr); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1112 | } |
| 1113 | |
| 1114 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1115 | Py_Exit(sts) |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1116 | int sts; |
| 1117 | { |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1118 | Py_Finalize(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1119 | |
Jack Jansen | 66a8977 | 1995-10-27 13:22:14 +0000 | [diff] [blame] | 1120 | #ifdef macintosh |
| 1121 | PyMac_Exit(sts); |
| 1122 | #else |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1123 | exit(sts); |
Jack Jansen | 66a8977 | 1995-10-27 13:22:14 +0000 | [diff] [blame] | 1124 | #endif |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1125 | } |
| 1126 | |
Guido van Rossum | f1dc566 | 1993-07-05 10:31:29 +0000 | [diff] [blame] | 1127 | static void |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1128 | initsigs() |
| 1129 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1130 | #ifdef HAVE_SIGNAL_H |
| 1131 | #ifdef SIGPIPE |
| 1132 | signal(SIGPIPE, SIG_IGN); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1133 | #endif |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1134 | #endif /* HAVE_SIGNAL_H */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1135 | PyOS_InitInterrupts(); /* May imply initsignal() */ |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1136 | } |
| 1137 | |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 1138 | #ifdef Py_TRACE_REFS |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1139 | /* Ask a yes/no question */ |
| 1140 | |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1141 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1142 | _Py_AskYesNo(prompt) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1143 | char *prompt; |
| 1144 | { |
| 1145 | char buf[256]; |
| 1146 | |
| 1147 | printf("%s [ny] ", prompt); |
| 1148 | if (fgets(buf, sizeof buf, stdin) == NULL) |
| 1149 | return 0; |
| 1150 | return buf[0] == 'y' || buf[0] == 'Y'; |
| 1151 | } |
| 1152 | #endif |
| 1153 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1154 | #ifdef MPW |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1155 | |
| 1156 | /* Check for file descriptor connected to interactive device. |
| 1157 | Pretend that stdin is always interactive, other files never. */ |
| 1158 | |
| 1159 | int |
| 1160 | isatty(fd) |
| 1161 | int fd; |
| 1162 | { |
| 1163 | return fd == fileno(stdin); |
| 1164 | } |
| 1165 | |
| 1166 | #endif |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 1167 | |
| 1168 | /* |
| 1169 | * The file descriptor fd is considered ``interactive'' if either |
| 1170 | * a) isatty(fd) is TRUE, or |
| 1171 | * b) the -i flag was given, and the filename associated with |
| 1172 | * the descriptor is NULL or "<stdin>" or "???". |
| 1173 | */ |
| 1174 | int |
| 1175 | Py_FdIsInteractive(fp, filename) |
| 1176 | FILE *fp; |
| 1177 | char *filename; |
| 1178 | { |
| 1179 | if (isatty((int)fileno(fp))) |
| 1180 | return 1; |
| 1181 | if (!Py_InteractiveFlag) |
| 1182 | return 0; |
| 1183 | return (filename == NULL) || |
| 1184 | (strcmp(filename, "<stdin>") == 0) || |
| 1185 | (strcmp(filename, "???") == 0); |
| 1186 | } |