Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1 | /*********************************************************** |
Guido van Rossum | 6d023c9 | 1995-01-04 19:12:13 +0000 | [diff] [blame] | 2 | Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, |
| 3 | The Netherlands. |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 4 | |
| 5 | All Rights Reserved |
| 6 | |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 7 | Permission to use, copy, modify, and distribute this software and its |
| 8 | documentation for any purpose and without fee is hereby granted, |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 9 | provided that the above copyright notice appear in all copies and that |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 10 | both that copyright notice and this permission notice appear in |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 11 | supporting documentation, and that the names of Stichting Mathematisch |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 12 | Centrum or CWI or Corporation for National Research Initiatives or |
| 13 | CNRI not be used in advertising or publicity pertaining to |
| 14 | distribution of the software without specific, written prior |
| 15 | permission. |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 16 | |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 17 | While CWI is the initial source for this software, a modified version |
| 18 | is made available by the Corporation for National Research Initiatives |
| 19 | (CNRI) at the Internet address ftp://ftp.python.org. |
| 20 | |
| 21 | STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH |
| 22 | REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF |
| 23 | MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH |
| 24 | CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL |
| 25 | DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 26 | PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 27 | TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 28 | PERFORMANCE OF THIS SOFTWARE. |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 29 | |
| 30 | ******************************************************************/ |
| 31 | |
| 32 | /* Python interpreter top-level routines, including init/exit */ |
| 33 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 34 | #include "Python.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 35 | |
| 36 | #include "grammar.h" |
| 37 | #include "node.h" |
| 38 | #include "parsetok.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 39 | #include "errcode.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 40 | #include "compile.h" |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 41 | #include "eval.h" |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 42 | #include "marshal.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 43 | |
Guido van Rossum | 80bb965 | 1996-12-05 23:27:02 +0000 | [diff] [blame] | 44 | #ifdef HAVE_UNISTD_H |
| 45 | #include <unistd.h> |
| 46 | #endif |
| 47 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 48 | #ifdef HAVE_SIGNAL_H |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 49 | #include <signal.h> |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 50 | #endif |
| 51 | |
Guido van Rossum | 9b38a14 | 1996-09-11 23:12:24 +0000 | [diff] [blame] | 52 | #ifdef MS_WIN32 |
Guido van Rossum | a44823b | 1995-03-14 15:01:17 +0000 | [diff] [blame] | 53 | #undef BYTE |
| 54 | #include "windows.h" |
| 55 | #endif |
| 56 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 57 | extern char *Py_GetPath(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 58 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 59 | extern grammar _PyParser_Grammar; /* From graminit.c */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 60 | |
Guido van Rossum | b73cc04 | 1993-11-01 16:28:59 +0000 | [diff] [blame] | 61 | /* Forward */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 62 | static void initmain Py_PROTO((void)); |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 63 | static void initsite Py_PROTO((void)); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 64 | static PyObject *run_err_node Py_PROTO((node *n, char *filename, |
| 65 | PyObject *globals, PyObject *locals)); |
| 66 | static PyObject *run_node Py_PROTO((node *n, char *filename, |
| 67 | PyObject *globals, PyObject *locals)); |
| 68 | static PyObject *run_pyc_file Py_PROTO((FILE *fp, char *filename, |
| 69 | PyObject *globals, PyObject *locals)); |
| 70 | static void err_input Py_PROTO((perrdetail *)); |
| 71 | static void initsigs Py_PROTO((void)); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 72 | static void call_sys_exitfunc Py_PROTO((void)); |
| 73 | static void call_ll_exitfuncs Py_PROTO((void)); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 74 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 75 | int Py_DebugFlag; /* Needed by parser.c */ |
| 76 | int Py_VerboseFlag; /* Needed by import.c */ |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 77 | int Py_InteractiveFlag; /* Needed by Py_FdIsInteractive() below */ |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 78 | int Py_NoSiteFlag; /* Suppress 'import site' */ |
Guido van Rossum | 999e5e9 | 1997-10-03 19:46:02 +0000 | [diff] [blame] | 79 | int Py_UseClassExceptionsFlag = 1; /* Needed by bltinmodule.c */ |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 80 | int Py_FrozenFlag; /* Needed by getpath.c */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 81 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 82 | static int initialized = 0; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 83 | |
Guido van Rossum | e3c0d5e | 1997-08-22 04:20:13 +0000 | [diff] [blame] | 84 | /* API to access the initialized flag -- useful for eroteric use */ |
| 85 | |
| 86 | int |
| 87 | Py_IsInitialized() |
| 88 | { |
| 89 | return initialized; |
| 90 | } |
| 91 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 92 | /* Global initializations. Can be undone by Py_Finalize(). Don't |
| 93 | call this twice without an intervening Py_Finalize() call. When |
| 94 | initializations fail, a fatal error is issued and the function does |
| 95 | not return. On return, the first thread and interpreter state have |
| 96 | been created. |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 97 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 98 | Locking: you must hold the interpreter lock while calling this. |
| 99 | (If the lock has not yet been initialized, that's equivalent to |
| 100 | having the lock, but you cannot use multiple threads.) |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 101 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 102 | */ |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 103 | |
Guido van Rossum | 2c1f6be | 1999-01-08 15:56:28 +0000 | [diff] [blame] | 104 | extern void win_pre_init(), win_pre_exit(); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 105 | void |
| 106 | Py_Initialize() |
| 107 | { |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 108 | PyInterpreterState *interp; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 109 | PyThreadState *tstate; |
| 110 | PyObject *bimod, *sysmod; |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 111 | char *p; |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 112 | |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 113 | if (initialized) |
Guido van Rossum | aa61505 | 1997-08-20 22:40:18 +0000 | [diff] [blame] | 114 | return; |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 115 | initialized = 1; |
Guido van Rossum | 2c1f6be | 1999-01-08 15:56:28 +0000 | [diff] [blame] | 116 | #ifdef MS_WINDOWS |
| 117 | win_pre_init(); |
| 118 | #endif |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 119 | |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 120 | if ((p = getenv("PYTHONDEBUG")) && *p != '\0') |
| 121 | Py_DebugFlag = 1; |
| 122 | if ((p = getenv("PYTHONVERBOSE")) && *p != '\0') |
| 123 | Py_VerboseFlag = 1; |
Guido van Rossum | 562f5b1 | 1998-10-07 14:50:42 +0000 | [diff] [blame] | 124 | if ((p = getenv("PYTHONOPTIMIZE")) && *p != '\0') |
| 125 | Py_OptimizeFlag = 1; |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 126 | |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 127 | interp = PyInterpreterState_New(); |
| 128 | if (interp == NULL) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 129 | Py_FatalError("Py_Initialize: can't make first interpreter"); |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 130 | |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 131 | tstate = PyThreadState_New(interp); |
| 132 | if (tstate == NULL) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 133 | Py_FatalError("Py_Initialize: can't make first thread"); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 134 | (void) PyThreadState_Swap(tstate); |
| 135 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 136 | interp->modules = PyDict_New(); |
| 137 | if (interp->modules == NULL) |
| 138 | Py_FatalError("Py_Initialize: can't make modules dictionary"); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 139 | |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 140 | bimod = _PyBuiltin_Init_1(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 141 | if (bimod == NULL) |
| 142 | Py_FatalError("Py_Initialize: can't initialize __builtin__"); |
Guido van Rossum | 4a1f39a | 1997-11-04 19:36:18 +0000 | [diff] [blame] | 143 | interp->builtins = PyModule_GetDict(bimod); |
| 144 | Py_INCREF(interp->builtins); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 145 | |
| 146 | sysmod = _PySys_Init(); |
| 147 | if (sysmod == NULL) |
| 148 | Py_FatalError("Py_Initialize: can't initialize sys"); |
| 149 | interp->sysdict = PyModule_GetDict(sysmod); |
| 150 | Py_INCREF(interp->sysdict); |
| 151 | _PyImport_FixupExtension("sys", "sys"); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 152 | PySys_SetPath(Py_GetPath()); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 153 | PyDict_SetItemString(interp->sysdict, "modules", |
| 154 | interp->modules); |
| 155 | |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 156 | /* phase 2 of builtins */ |
Guido van Rossum | 4a1f39a | 1997-11-04 19:36:18 +0000 | [diff] [blame] | 157 | _PyBuiltin_Init_2(interp->builtins); |
Barry Warsaw | 963b871 | 1997-09-18 16:42:02 +0000 | [diff] [blame] | 158 | _PyImport_FixupExtension("__builtin__", "__builtin__"); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 159 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 160 | _PyImport_Init(); |
| 161 | |
| 162 | initsigs(); /* Signal handling stuff, including initintr() */ |
| 163 | |
| 164 | initmain(); /* Module __main__ */ |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 165 | if (!Py_NoSiteFlag) |
| 166 | initsite(); /* Module site */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 167 | } |
| 168 | |
Guido van Rossum | 2edcf0d | 1998-12-15 16:12:00 +0000 | [diff] [blame] | 169 | #ifdef COUNT_ALLOCS |
| 170 | extern void dump_counts Py_PROTO((void)); |
| 171 | #endif |
| 172 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 173 | /* Undo the effect of Py_Initialize(). |
| 174 | |
| 175 | Beware: if multiple interpreter and/or thread states exist, these |
| 176 | are not wiped out; only the current thread and interpreter state |
| 177 | are deleted. But since everything else is deleted, those other |
| 178 | interpreter and thread states should no longer be used. |
| 179 | |
| 180 | (XXX We should do better, e.g. wipe out all interpreters and |
| 181 | threads.) |
| 182 | |
| 183 | Locking: as above. |
| 184 | |
| 185 | */ |
| 186 | |
| 187 | void |
| 188 | Py_Finalize() |
| 189 | { |
| 190 | PyInterpreterState *interp; |
| 191 | PyThreadState *tstate; |
| 192 | |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 193 | if (!initialized) |
Guido van Rossum | aa61505 | 1997-08-20 22:40:18 +0000 | [diff] [blame] | 194 | return; |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 195 | initialized = 0; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 196 | |
Guido van Rossum | 4cc462e | 1998-01-19 22:00:38 +0000 | [diff] [blame] | 197 | call_sys_exitfunc(); |
| 198 | |
Guido van Rossum | 3a44e1b | 1997-11-03 21:58:47 +0000 | [diff] [blame] | 199 | /* Get current thread state and interpreter pointer */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 200 | tstate = PyThreadState_Get(); |
| 201 | interp = tstate->interp; |
| 202 | |
Guido van Rossum | 3a44e1b | 1997-11-03 21:58:47 +0000 | [diff] [blame] | 203 | /* Disable signal handling */ |
| 204 | PyOS_FiniInterrupts(); |
| 205 | |
| 206 | /* Destroy PyExc_MemoryErrorInst */ |
| 207 | _PyBuiltin_Fini_1(); |
| 208 | |
| 209 | /* Destroy all modules */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 210 | PyImport_Cleanup(); |
Guido van Rossum | 3a44e1b | 1997-11-03 21:58:47 +0000 | [diff] [blame] | 211 | |
Guido van Rossum | 1707aad | 1997-12-08 23:43:45 +0000 | [diff] [blame] | 212 | /* Destroy the database used by _PyImport_{Fixup,Find}Extension */ |
| 213 | _PyImport_Fini(); |
| 214 | |
| 215 | /* Debugging stuff */ |
| 216 | #ifdef COUNT_ALLOCS |
| 217 | dump_counts(); |
| 218 | #endif |
| 219 | |
| 220 | #ifdef Py_REF_DEBUG |
| 221 | fprintf(stderr, "[%ld refs]\n", _Py_RefTotal); |
| 222 | #endif |
| 223 | |
| 224 | #ifdef Py_TRACE_REFS |
| 225 | if (_Py_AskYesNo("Print left references?")) { |
| 226 | _Py_PrintReferences(stderr); |
| 227 | } |
| 228 | #endif /* Py_TRACE_REFS */ |
| 229 | |
Guido van Rossum | 4a1f39a | 1997-11-04 19:36:18 +0000 | [diff] [blame] | 230 | /* Delete current thread */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 231 | PyInterpreterState_Clear(interp); |
| 232 | PyThreadState_Swap(NULL); |
| 233 | PyInterpreterState_Delete(interp); |
| 234 | |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 235 | /* Now we decref the exception classes. After this point nothing |
| 236 | can raise an exception. That's okay, because each Fini() method |
| 237 | below has been checked to make sure no exceptions are ever |
| 238 | raised. |
| 239 | */ |
| 240 | _PyBuiltin_Fini_2(); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 241 | PyMethod_Fini(); |
| 242 | PyFrame_Fini(); |
| 243 | PyCFunction_Fini(); |
| 244 | PyTuple_Fini(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 245 | PyString_Fini(); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 246 | PyInt_Fini(); |
| 247 | PyFloat_Fini(); |
| 248 | |
| 249 | /* XXX Still allocated: |
| 250 | - various static ad-hoc pointers to interned strings |
| 251 | - int and float free list blocks |
| 252 | - whatever various modules and libraries allocate |
| 253 | */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 254 | |
| 255 | PyGrammar_RemoveAccelerators(&_PyParser_Grammar); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 256 | |
| 257 | call_ll_exitfuncs(); |
| 258 | |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 259 | #ifdef Py_TRACE_REFS |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 260 | _Py_ResetReferences(); |
| 261 | #endif /* Py_TRACE_REFS */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 262 | } |
| 263 | |
| 264 | /* Create and initialize a new interpreter and thread, and return the |
| 265 | new thread. This requires that Py_Initialize() has been called |
| 266 | first. |
| 267 | |
| 268 | Unsuccessful initialization yields a NULL pointer. Note that *no* |
| 269 | exception information is available even in this case -- the |
| 270 | exception information is held in the thread, and there is no |
| 271 | thread. |
| 272 | |
| 273 | Locking: as above. |
| 274 | |
| 275 | */ |
| 276 | |
| 277 | PyThreadState * |
| 278 | Py_NewInterpreter() |
| 279 | { |
| 280 | PyInterpreterState *interp; |
| 281 | PyThreadState *tstate, *save_tstate; |
| 282 | PyObject *bimod, *sysmod; |
| 283 | |
| 284 | if (!initialized) |
| 285 | Py_FatalError("Py_NewInterpreter: call Py_Initialize first"); |
| 286 | |
| 287 | interp = PyInterpreterState_New(); |
| 288 | if (interp == NULL) |
| 289 | return NULL; |
| 290 | |
| 291 | tstate = PyThreadState_New(interp); |
| 292 | if (tstate == NULL) { |
| 293 | PyInterpreterState_Delete(interp); |
| 294 | return NULL; |
| 295 | } |
| 296 | |
| 297 | save_tstate = PyThreadState_Swap(tstate); |
| 298 | |
| 299 | /* XXX The following is lax in error checking */ |
| 300 | |
| 301 | interp->modules = PyDict_New(); |
| 302 | |
| 303 | bimod = _PyImport_FindExtension("__builtin__", "__builtin__"); |
| 304 | if (bimod != NULL) { |
Guido van Rossum | 4a1f39a | 1997-11-04 19:36:18 +0000 | [diff] [blame] | 305 | interp->builtins = PyModule_GetDict(bimod); |
| 306 | Py_INCREF(interp->builtins); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 307 | } |
| 308 | sysmod = _PyImport_FindExtension("sys", "sys"); |
| 309 | if (bimod != NULL && sysmod != NULL) { |
| 310 | interp->sysdict = PyModule_GetDict(sysmod); |
| 311 | Py_INCREF(interp->sysdict); |
| 312 | PySys_SetPath(Py_GetPath()); |
| 313 | PyDict_SetItemString(interp->sysdict, "modules", |
| 314 | interp->modules); |
| 315 | initmain(); |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 316 | if (!Py_NoSiteFlag) |
| 317 | initsite(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 318 | } |
| 319 | |
| 320 | if (!PyErr_Occurred()) |
| 321 | return tstate; |
| 322 | |
| 323 | /* Oops, it didn't work. Undo it all. */ |
| 324 | |
| 325 | PyErr_Print(); |
| 326 | PyThreadState_Clear(tstate); |
| 327 | PyThreadState_Swap(save_tstate); |
| 328 | PyThreadState_Delete(tstate); |
| 329 | PyInterpreterState_Delete(interp); |
| 330 | |
| 331 | return NULL; |
| 332 | } |
| 333 | |
| 334 | /* Delete an interpreter and its last thread. This requires that the |
| 335 | given thread state is current, that the thread has no remaining |
| 336 | frames, and that it is its interpreter's only remaining thread. |
| 337 | It is a fatal error to violate these constraints. |
| 338 | |
| 339 | (Py_Finalize() doesn't have these constraints -- it zaps |
| 340 | everything, regardless.) |
| 341 | |
| 342 | Locking: as above. |
| 343 | |
| 344 | */ |
| 345 | |
| 346 | void |
| 347 | Py_EndInterpreter(tstate) |
| 348 | PyThreadState *tstate; |
| 349 | { |
| 350 | PyInterpreterState *interp = tstate->interp; |
| 351 | |
| 352 | if (tstate != PyThreadState_Get()) |
| 353 | Py_FatalError("Py_EndInterpreter: thread is not current"); |
| 354 | if (tstate->frame != NULL) |
| 355 | Py_FatalError("Py_EndInterpreter: thread still has a frame"); |
| 356 | if (tstate != interp->tstate_head || tstate->next != NULL) |
| 357 | Py_FatalError("Py_EndInterpreter: not the last thread"); |
| 358 | |
| 359 | PyImport_Cleanup(); |
| 360 | PyInterpreterState_Clear(interp); |
| 361 | PyThreadState_Swap(NULL); |
| 362 | PyInterpreterState_Delete(interp); |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 363 | } |
| 364 | |
| 365 | static char *progname = "python"; |
| 366 | |
| 367 | void |
| 368 | Py_SetProgramName(pn) |
| 369 | char *pn; |
| 370 | { |
| 371 | if (pn && *pn) |
| 372 | progname = pn; |
| 373 | } |
| 374 | |
| 375 | char * |
| 376 | Py_GetProgramName() |
| 377 | { |
| 378 | return progname; |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 379 | } |
| 380 | |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 381 | static char *default_home = NULL; |
| 382 | |
| 383 | void |
| 384 | Py_SetPythonHome(home) |
| 385 | char *home; |
| 386 | { |
| 387 | default_home = home; |
| 388 | } |
| 389 | |
| 390 | char * |
| 391 | Py_GetPythonHome() |
| 392 | { |
| 393 | char *home = default_home; |
| 394 | if (home == NULL) |
| 395 | home = getenv("PYTHONHOME"); |
| 396 | return home; |
| 397 | } |
| 398 | |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 399 | /* Create __main__ module */ |
| 400 | |
| 401 | static void |
| 402 | initmain() |
| 403 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 404 | PyObject *m, *d; |
| 405 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 406 | if (m == NULL) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 407 | Py_FatalError("can't create __main__ module"); |
| 408 | d = PyModule_GetDict(m); |
| 409 | if (PyDict_GetItemString(d, "__builtins__") == NULL) { |
Guido van Rossum | 858cb73 | 1997-11-19 16:15:37 +0000 | [diff] [blame] | 410 | PyObject *bimod = PyImport_ImportModule("__builtin__"); |
| 411 | if (bimod == NULL || |
| 412 | PyDict_SetItemString(d, "__builtins__", bimod) != 0) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 413 | Py_FatalError("can't add __builtins__ to __main__"); |
Barry Warsaw | 3d05b1a | 1999-01-29 21:30:22 +0000 | [diff] [blame] | 414 | Py_DECREF(bimod); |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 415 | } |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 416 | } |
| 417 | |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 418 | /* Import the site module (not into __main__ though) */ |
| 419 | |
| 420 | static void |
| 421 | initsite() |
| 422 | { |
| 423 | PyObject *m, *f; |
| 424 | m = PyImport_ImportModule("site"); |
| 425 | if (m == NULL) { |
| 426 | f = PySys_GetObject("stderr"); |
| 427 | if (Py_VerboseFlag) { |
| 428 | PyFile_WriteString( |
| 429 | "'import site' failed; traceback:\n", f); |
| 430 | PyErr_Print(); |
| 431 | } |
| 432 | else { |
| 433 | PyFile_WriteString( |
| 434 | "'import site' failed; use -v for traceback\n", f); |
| 435 | PyErr_Clear(); |
| 436 | } |
| 437 | } |
| 438 | else { |
| 439 | Py_DECREF(m); |
| 440 | } |
| 441 | } |
| 442 | |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 443 | /* Parse input from a file and execute it */ |
| 444 | |
| 445 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 446 | PyRun_AnyFile(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 447 | FILE *fp; |
| 448 | char *filename; |
| 449 | { |
| 450 | if (filename == NULL) |
| 451 | filename = "???"; |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 452 | if (Py_FdIsInteractive(fp, filename)) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 453 | return PyRun_InteractiveLoop(fp, filename); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 454 | else |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 455 | return PyRun_SimpleFile(fp, filename); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 456 | } |
| 457 | |
| 458 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 459 | PyRun_InteractiveLoop(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 460 | FILE *fp; |
| 461 | char *filename; |
| 462 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 463 | PyObject *v; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 464 | int ret; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 465 | v = PySys_GetObject("ps1"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 466 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 467 | PySys_SetObject("ps1", v = PyString_FromString(">>> ")); |
| 468 | Py_XDECREF(v); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 469 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 470 | v = PySys_GetObject("ps2"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 471 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 472 | PySys_SetObject("ps2", v = PyString_FromString("... ")); |
| 473 | Py_XDECREF(v); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 474 | } |
| 475 | for (;;) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 476 | ret = PyRun_InteractiveOne(fp, filename); |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 477 | #ifdef Py_REF_DEBUG |
Guido van Rossum | 6f9e433 | 1995-03-29 16:57:48 +0000 | [diff] [blame] | 478 | fprintf(stderr, "[%ld refs]\n", _Py_RefTotal); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 479 | #endif |
| 480 | if (ret == E_EOF) |
| 481 | return 0; |
| 482 | /* |
| 483 | if (ret == E_NOMEM) |
| 484 | return -1; |
| 485 | */ |
| 486 | } |
| 487 | } |
| 488 | |
| 489 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 490 | PyRun_InteractiveOne(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 491 | FILE *fp; |
| 492 | char *filename; |
| 493 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 494 | PyObject *m, *d, *v, *w; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 495 | node *n; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 496 | perrdetail err; |
Guido van Rossum | ddc3fb5 | 1997-11-25 20:58:13 +0000 | [diff] [blame] | 497 | char *ps1 = "", *ps2 = ""; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 498 | v = PySys_GetObject("ps1"); |
Guido van Rossum | ddc3fb5 | 1997-11-25 20:58:13 +0000 | [diff] [blame] | 499 | if (v != NULL) { |
| 500 | v = PyObject_Str(v); |
| 501 | if (v == NULL) |
| 502 | PyErr_Clear(); |
| 503 | else if (PyString_Check(v)) |
| 504 | ps1 = PyString_AsString(v); |
| 505 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 506 | w = PySys_GetObject("ps2"); |
Guido van Rossum | ddc3fb5 | 1997-11-25 20:58:13 +0000 | [diff] [blame] | 507 | if (w != NULL) { |
| 508 | w = PyObject_Str(w); |
| 509 | if (w == NULL) |
| 510 | PyErr_Clear(); |
| 511 | else if (PyString_Check(w)) |
| 512 | ps2 = PyString_AsString(w); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 513 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 514 | n = PyParser_ParseFile(fp, filename, &_PyParser_Grammar, |
Guido van Rossum | b05a5c7 | 1997-05-07 17:46:13 +0000 | [diff] [blame] | 515 | Py_single_input, ps1, ps2, &err); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 516 | Py_XDECREF(v); |
| 517 | Py_XDECREF(w); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 518 | if (n == NULL) { |
| 519 | if (err.error == E_EOF) { |
| 520 | if (err.text) |
| 521 | free(err.text); |
| 522 | return E_EOF; |
| 523 | } |
| 524 | err_input(&err); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 525 | PyErr_Print(); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 526 | return err.error; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 527 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 528 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 529 | if (m == NULL) |
| 530 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 531 | d = PyModule_GetDict(m); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 532 | v = run_node(n, filename, d, d); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 533 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 534 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 535 | return -1; |
| 536 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 537 | Py_DECREF(v); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 538 | if (Py_FlushLine()) |
| 539 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 540 | return 0; |
| 541 | } |
| 542 | |
| 543 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 544 | PyRun_SimpleFile(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 545 | FILE *fp; |
| 546 | char *filename; |
| 547 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 548 | PyObject *m, *d, *v; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 549 | char *ext; |
| 550 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 551 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 552 | if (m == NULL) |
| 553 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 554 | d = PyModule_GetDict(m); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 555 | ext = filename + strlen(filename) - 4; |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 556 | if (strcmp(ext, ".pyc") == 0 || strcmp(ext, ".pyo") == 0 |
Jack Jansen | bd06e96 | 1995-02-13 11:44:56 +0000 | [diff] [blame] | 557 | #ifdef macintosh |
| 558 | /* 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] | 559 | || getfiletype(filename) == 'PYC ' |
| 560 | || getfiletype(filename) == 'APPL' |
Jack Jansen | bd06e96 | 1995-02-13 11:44:56 +0000 | [diff] [blame] | 561 | #endif /* macintosh */ |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 562 | ) { |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 563 | /* Try to run a pyc file. First, re-open in binary */ |
Jack Jansen | e00637b | 1994-12-14 12:58:37 +0000 | [diff] [blame] | 564 | /* Don't close, done in main: fclose(fp); */ |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 565 | if( (fp = fopen(filename, "rb")) == NULL ) { |
| 566 | fprintf(stderr, "python: Can't reopen .pyc file\n"); |
| 567 | return -1; |
| 568 | } |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 569 | /* Turn on optimization if a .pyo file is given */ |
| 570 | if (strcmp(ext, ".pyo") == 0) |
| 571 | Py_OptimizeFlag = 1; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 572 | v = run_pyc_file(fp, filename, d, d); |
| 573 | } else { |
Guido van Rossum | b05a5c7 | 1997-05-07 17:46:13 +0000 | [diff] [blame] | 574 | v = PyRun_File(fp, filename, Py_file_input, d, d); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 575 | } |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 576 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 577 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 578 | return -1; |
| 579 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 580 | Py_DECREF(v); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 581 | if (Py_FlushLine()) |
| 582 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 583 | return 0; |
| 584 | } |
| 585 | |
| 586 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 587 | PyRun_SimpleString(command) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 588 | char *command; |
| 589 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 590 | PyObject *m, *d, *v; |
| 591 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 592 | if (m == NULL) |
| 593 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 594 | d = PyModule_GetDict(m); |
Guido van Rossum | b05a5c7 | 1997-05-07 17:46:13 +0000 | [diff] [blame] | 595 | v = PyRun_String(command, Py_file_input, d, d); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 596 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 597 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 598 | return -1; |
| 599 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 600 | Py_DECREF(v); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 601 | if (Py_FlushLine()) |
| 602 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 603 | return 0; |
| 604 | } |
| 605 | |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 606 | static int |
| 607 | parse_syntax_error(err, message, filename, lineno, offset, text) |
| 608 | PyObject* err; |
| 609 | PyObject** message; |
| 610 | char** filename; |
| 611 | int* lineno; |
| 612 | int* offset; |
| 613 | char** text; |
| 614 | { |
| 615 | long hold; |
| 616 | PyObject *v; |
| 617 | |
| 618 | /* old style errors */ |
| 619 | if (PyTuple_Check(err)) |
| 620 | return PyArg_Parse(err, "(O(ziiz))", message, filename, |
| 621 | lineno, offset, text); |
| 622 | |
| 623 | /* new style errors. `err' is an instance */ |
| 624 | |
| 625 | if (! (v = PyObject_GetAttrString(err, "msg"))) |
| 626 | goto finally; |
| 627 | *message = v; |
| 628 | |
| 629 | if (!(v = PyObject_GetAttrString(err, "filename"))) |
| 630 | goto finally; |
| 631 | if (v == Py_None) |
| 632 | *filename = NULL; |
| 633 | else if (! (*filename = PyString_AsString(v))) |
| 634 | goto finally; |
| 635 | |
| 636 | Py_DECREF(v); |
| 637 | if (!(v = PyObject_GetAttrString(err, "lineno"))) |
| 638 | goto finally; |
| 639 | hold = PyInt_AsLong(v); |
| 640 | Py_DECREF(v); |
| 641 | v = NULL; |
| 642 | if (hold < 0 && PyErr_Occurred()) |
| 643 | goto finally; |
| 644 | *lineno = (int)hold; |
| 645 | |
| 646 | if (!(v = PyObject_GetAttrString(err, "offset"))) |
| 647 | goto finally; |
| 648 | hold = PyInt_AsLong(v); |
| 649 | Py_DECREF(v); |
| 650 | v = NULL; |
| 651 | if (hold < 0 && PyErr_Occurred()) |
| 652 | goto finally; |
| 653 | *offset = (int)hold; |
| 654 | |
| 655 | if (!(v = PyObject_GetAttrString(err, "text"))) |
| 656 | goto finally; |
| 657 | if (v == Py_None) |
| 658 | *text = NULL; |
| 659 | else if (! (*text = PyString_AsString(v))) |
| 660 | goto finally; |
| 661 | Py_DECREF(v); |
| 662 | return 1; |
| 663 | |
| 664 | finally: |
| 665 | Py_XDECREF(v); |
| 666 | return 0; |
| 667 | } |
| 668 | |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 669 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 670 | PyErr_Print() |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 671 | { |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 672 | PyErr_PrintEx(1); |
| 673 | } |
| 674 | |
| 675 | void |
| 676 | PyErr_PrintEx(set_sys_last_vars) |
| 677 | int set_sys_last_vars; |
| 678 | { |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 679 | int err = 0; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 680 | PyObject *exception, *v, *tb, *f; |
| 681 | PyErr_Fetch(&exception, &v, &tb); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 682 | PyErr_NormalizeException(&exception, &v, &tb); |
| 683 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 684 | if (exception == NULL) |
Guido van Rossum | 296b475 | 1997-05-23 00:19:20 +0000 | [diff] [blame] | 685 | return; |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 686 | |
Barry Warsaw | 36b8f94 | 1997-08-26 18:09:48 +0000 | [diff] [blame] | 687 | if (PyErr_GivenExceptionMatches(exception, PyExc_SystemExit)) { |
Guido van Rossum | 0829c75 | 1998-02-28 04:31:39 +0000 | [diff] [blame] | 688 | if (Py_FlushLine()) |
| 689 | PyErr_Clear(); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 690 | fflush(stdout); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 691 | if (v == NULL || v == Py_None) |
| 692 | Py_Exit(0); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 693 | if (PyInstance_Check(v)) { |
| 694 | /* we expect the error code to be store in the |
| 695 | `code' attribute |
| 696 | */ |
| 697 | PyObject *code = PyObject_GetAttrString(v, "code"); |
| 698 | if (code) { |
| 699 | Py_DECREF(v); |
| 700 | v = code; |
Guido van Rossum | aa9606f | 1997-10-03 13:53:28 +0000 | [diff] [blame] | 701 | if (v == Py_None) |
| 702 | Py_Exit(0); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 703 | } |
| 704 | /* if we failed to dig out the "code" attribute, |
| 705 | then just let the else clause below print the |
| 706 | error |
| 707 | */ |
| 708 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 709 | if (PyInt_Check(v)) |
| 710 | Py_Exit((int)PyInt_AsLong(v)); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 711 | else { |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 712 | /* OK to use real stderr here */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 713 | PyObject_Print(v, stderr, Py_PRINT_RAW); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 714 | fprintf(stderr, "\n"); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 715 | Py_Exit(1); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 716 | } |
| 717 | } |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 718 | if (set_sys_last_vars) { |
| 719 | PySys_SetObject("last_type", exception); |
| 720 | PySys_SetObject("last_value", v); |
| 721 | PySys_SetObject("last_traceback", tb); |
| 722 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 723 | f = PySys_GetObject("stderr"); |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 724 | if (f == NULL) |
| 725 | fprintf(stderr, "lost sys.stderr\n"); |
| 726 | else { |
Guido van Rossum | 0829c75 | 1998-02-28 04:31:39 +0000 | [diff] [blame] | 727 | if (Py_FlushLine()) |
| 728 | PyErr_Clear(); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 729 | fflush(stdout); |
Guido van Rossum | 0829c75 | 1998-02-28 04:31:39 +0000 | [diff] [blame] | 730 | err = PyTraceBack_Print(tb, f); |
Barry Warsaw | 36b8f94 | 1997-08-26 18:09:48 +0000 | [diff] [blame] | 731 | if (err == 0 && |
| 732 | PyErr_GivenExceptionMatches(exception, PyExc_SyntaxError)) |
| 733 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 734 | PyObject *message; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 735 | char *filename, *text; |
| 736 | int lineno, offset; |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 737 | if (!parse_syntax_error(v, &message, &filename, |
| 738 | &lineno, &offset, &text)) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 739 | PyErr_Clear(); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 740 | else { |
| 741 | char buf[10]; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 742 | PyFile_WriteString(" File \"", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 743 | if (filename == NULL) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 744 | PyFile_WriteString("<string>", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 745 | else |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 746 | PyFile_WriteString(filename, f); |
| 747 | PyFile_WriteString("\", line ", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 748 | sprintf(buf, "%d", lineno); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 749 | PyFile_WriteString(buf, f); |
| 750 | PyFile_WriteString("\n", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 751 | if (text != NULL) { |
Guido van Rossum | 798199d | 1994-09-19 08:08:50 +0000 | [diff] [blame] | 752 | char *nl; |
| 753 | if (offset > 0 && |
Guido van Rossum | 478e718 | 1997-05-06 15:24:59 +0000 | [diff] [blame] | 754 | offset == (int)strlen(text)) |
Guido van Rossum | 798199d | 1994-09-19 08:08:50 +0000 | [diff] [blame] | 755 | offset--; |
| 756 | for (;;) { |
| 757 | nl = strchr(text, '\n'); |
| 758 | if (nl == NULL || |
| 759 | nl-text >= offset) |
| 760 | break; |
| 761 | offset -= (nl+1-text); |
| 762 | text = nl+1; |
| 763 | } |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 764 | while (*text == ' ' || *text == '\t') { |
| 765 | text++; |
| 766 | offset--; |
| 767 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 768 | PyFile_WriteString(" ", f); |
| 769 | PyFile_WriteString(text, f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 770 | if (*text == '\0' || |
| 771 | text[strlen(text)-1] != '\n') |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 772 | PyFile_WriteString("\n", f); |
| 773 | PyFile_WriteString(" ", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 774 | offset--; |
| 775 | while (offset > 0) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 776 | PyFile_WriteString(" ", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 777 | offset--; |
| 778 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 779 | PyFile_WriteString("^\n", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 780 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 781 | Py_INCREF(message); |
| 782 | Py_DECREF(v); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 783 | v = message; |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 784 | /* Can't be bothered to check all those |
| 785 | PyFile_WriteString() calls */ |
| 786 | if (PyErr_Occurred()) |
| 787 | err = -1; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 788 | } |
| 789 | } |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 790 | if (err) { |
| 791 | /* Don't do anything else */ |
| 792 | } |
| 793 | else if (PyClass_Check(exception)) { |
Barry Warsaw | 2f5f6a2 | 1997-09-16 21:42:03 +0000 | [diff] [blame] | 794 | PyClassObject* exc = (PyClassObject*)exception; |
| 795 | PyObject* className = exc->cl_name; |
| 796 | PyObject* moduleName = |
| 797 | PyDict_GetItemString(exc->cl_dict, "__module__"); |
| 798 | |
| 799 | if (moduleName == NULL) |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 800 | err = PyFile_WriteString("<unknown>", f); |
Barry Warsaw | 2f5f6a2 | 1997-09-16 21:42:03 +0000 | [diff] [blame] | 801 | else { |
| 802 | char* modstr = PyString_AsString(moduleName); |
| 803 | if (modstr && strcmp(modstr, "exceptions")) |
| 804 | { |
| 805 | err = PyFile_WriteString(modstr, f); |
| 806 | err += PyFile_WriteString(".", f); |
| 807 | } |
| 808 | } |
| 809 | if (err == 0) { |
| 810 | if (className == NULL) |
| 811 | err = PyFile_WriteString("<unknown>", f); |
| 812 | else |
| 813 | err = PyFile_WriteObject(className, f, |
| 814 | Py_PRINT_RAW); |
| 815 | } |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 816 | } |
| 817 | else |
| 818 | err = PyFile_WriteObject(exception, f, Py_PRINT_RAW); |
| 819 | if (err == 0) { |
| 820 | if (v != NULL && v != Py_None) { |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 821 | PyObject *s = PyObject_Str(v); |
| 822 | /* only print colon if the str() of the |
| 823 | object is not the empty string |
| 824 | */ |
Guido van Rossum | d6bf45b | 1997-09-05 19:11:53 +0000 | [diff] [blame] | 825 | if (s == NULL) |
| 826 | err = -1; |
| 827 | else if (!PyString_Check(s) || |
| 828 | PyString_GET_SIZE(s) != 0) |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 829 | err = PyFile_WriteString(": ", f); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 830 | if (err == 0) |
Guido van Rossum | d6bf45b | 1997-09-05 19:11:53 +0000 | [diff] [blame] | 831 | err = PyFile_WriteObject(s, f, Py_PRINT_RAW); |
| 832 | Py_XDECREF(s); |
Guido van Rossum | 262e124 | 1995-02-07 15:30:45 +0000 | [diff] [blame] | 833 | } |
Guido van Rossum | 262e124 | 1995-02-07 15:30:45 +0000 | [diff] [blame] | 834 | } |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 835 | if (err == 0) |
| 836 | err = PyFile_WriteString("\n", f); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 837 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 838 | Py_XDECREF(exception); |
| 839 | Py_XDECREF(v); |
| 840 | Py_XDECREF(tb); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 841 | /* If an error happened here, don't show it. |
| 842 | XXX This is wrong, but too many callers rely on this behavior. */ |
| 843 | if (err != 0) |
| 844 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 845 | } |
| 846 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 847 | PyObject * |
| 848 | PyRun_String(str, start, globals, locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 849 | char *str; |
| 850 | int start; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 851 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 852 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 853 | return run_err_node(PyParser_SimpleParseString(str, start), |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 854 | "<string>", globals, locals); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 855 | } |
| 856 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 857 | PyObject * |
| 858 | PyRun_File(fp, filename, start, globals, locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 859 | FILE *fp; |
| 860 | char *filename; |
| 861 | int start; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 862 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 863 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 864 | return run_err_node(PyParser_SimpleParseFile(fp, filename, start), |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 865 | filename, globals, locals); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 866 | } |
| 867 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 868 | static PyObject * |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 869 | run_err_node(n, filename, globals, locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 870 | node *n; |
| 871 | char *filename; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 872 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 873 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 874 | if (n == NULL) |
| 875 | return NULL; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 876 | return run_node(n, filename, globals, locals); |
| 877 | } |
| 878 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 879 | static PyObject * |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 880 | run_node(n, filename, globals, locals) |
| 881 | node *n; |
| 882 | char *filename; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 883 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 884 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 885 | PyCodeObject *co; |
| 886 | PyObject *v; |
| 887 | co = PyNode_Compile(n, filename); |
| 888 | PyNode_Free(n); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 889 | if (co == NULL) |
| 890 | return NULL; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 891 | v = PyEval_EvalCode(co, globals, locals); |
| 892 | Py_DECREF(co); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 893 | return v; |
| 894 | } |
| 895 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 896 | static PyObject * |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 897 | run_pyc_file(fp, filename, globals, locals) |
| 898 | FILE *fp; |
| 899 | char *filename; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 900 | PyObject *globals, *locals; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 901 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 902 | PyCodeObject *co; |
| 903 | PyObject *v; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 904 | long magic; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 905 | long PyImport_GetMagicNumber(); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 906 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 907 | magic = PyMarshal_ReadLongFromFile(fp); |
| 908 | if (magic != PyImport_GetMagicNumber()) { |
| 909 | PyErr_SetString(PyExc_RuntimeError, |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 910 | "Bad magic number in .pyc file"); |
| 911 | return NULL; |
| 912 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 913 | (void) PyMarshal_ReadLongFromFile(fp); |
| 914 | v = PyMarshal_ReadObjectFromFile(fp); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 915 | fclose(fp); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 916 | if (v == NULL || !PyCode_Check(v)) { |
| 917 | Py_XDECREF(v); |
| 918 | PyErr_SetString(PyExc_RuntimeError, |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 919 | "Bad code object in .pyc file"); |
| 920 | return NULL; |
| 921 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 922 | co = (PyCodeObject *)v; |
| 923 | v = PyEval_EvalCode(co, globals, locals); |
| 924 | Py_DECREF(co); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 925 | return v; |
| 926 | } |
| 927 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 928 | PyObject * |
| 929 | Py_CompileString(str, filename, start) |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 930 | char *str; |
| 931 | char *filename; |
| 932 | int start; |
| 933 | { |
| 934 | node *n; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 935 | PyCodeObject *co; |
| 936 | n = PyParser_SimpleParseString(str, start); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 937 | if (n == NULL) |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 938 | return NULL; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 939 | co = PyNode_Compile(n, filename); |
| 940 | PyNode_Free(n); |
| 941 | return (PyObject *)co; |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 942 | } |
| 943 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 944 | /* Simplified interface to parsefile -- return node or set exception */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 945 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 946 | node * |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 947 | PyParser_SimpleParseFile(fp, filename, start) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 948 | FILE *fp; |
| 949 | char *filename; |
| 950 | int start; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 951 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 952 | node *n; |
| 953 | perrdetail err; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 954 | n = PyParser_ParseFile(fp, filename, &_PyParser_Grammar, start, |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 955 | (char *)0, (char *)0, &err); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 956 | if (n == NULL) |
| 957 | err_input(&err); |
| 958 | return n; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 959 | } |
| 960 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 961 | /* Simplified interface to parsestring -- return node or set exception */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 962 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 963 | node * |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 964 | PyParser_SimpleParseString(str, start) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 965 | char *str; |
| 966 | int start; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 967 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 968 | node *n; |
| 969 | perrdetail err; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 970 | n = PyParser_ParseString(str, &_PyParser_Grammar, start, &err); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 971 | if (n == NULL) |
| 972 | err_input(&err); |
| 973 | return n; |
| 974 | } |
| 975 | |
| 976 | /* Set the error appropriate to the given input error code (see errcode.h) */ |
| 977 | |
| 978 | static void |
| 979 | err_input(err) |
| 980 | perrdetail *err; |
| 981 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 982 | PyObject *v, *w; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 983 | char *msg = NULL; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 984 | v = Py_BuildValue("(ziiz)", err->filename, |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 985 | err->lineno, err->offset, err->text); |
| 986 | if (err->text != NULL) { |
| 987 | free(err->text); |
| 988 | err->text = NULL; |
| 989 | } |
| 990 | switch (err->error) { |
| 991 | case E_SYNTAX: |
| 992 | msg = "invalid syntax"; |
| 993 | break; |
| 994 | case E_TOKEN: |
| 995 | msg = "invalid token"; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 996 | break; |
| 997 | case E_INTR: |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 998 | PyErr_SetNone(PyExc_KeyboardInterrupt); |
Barry Warsaw | c80baa3 | 1999-01-27 16:39:40 +0000 | [diff] [blame] | 999 | Py_XDECREF(v); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1000 | return; |
| 1001 | case E_NOMEM: |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1002 | PyErr_NoMemory(); |
Barry Warsaw | c80baa3 | 1999-01-27 16:39:40 +0000 | [diff] [blame] | 1003 | Py_XDECREF(v); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1004 | return; |
| 1005 | case E_EOF: |
| 1006 | msg = "unexpected EOF while parsing"; |
| 1007 | break; |
Guido van Rossum | 560e8ad | 1998-04-10 19:43:42 +0000 | [diff] [blame] | 1008 | case E_INDENT: |
| 1009 | msg = "inconsistent use of tabs and spaces in indentation"; |
| 1010 | break; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1011 | default: |
| 1012 | fprintf(stderr, "error=%d\n", err->error); |
| 1013 | msg = "unknown parsing error"; |
| 1014 | break; |
| 1015 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1016 | w = Py_BuildValue("(sO)", msg, v); |
| 1017 | Py_XDECREF(v); |
| 1018 | PyErr_SetObject(PyExc_SyntaxError, w); |
| 1019 | Py_XDECREF(w); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1020 | } |
| 1021 | |
| 1022 | /* Print fatal error message and abort */ |
| 1023 | |
| 1024 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1025 | Py_FatalError(msg) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1026 | char *msg; |
| 1027 | { |
Guido van Rossum | 83dd6c3 | 1994-09-29 09:38:33 +0000 | [diff] [blame] | 1028 | fprintf(stderr, "Fatal Python error: %s\n", msg); |
Guido van Rossum | 8ae87c0 | 1995-01-26 00:40:38 +0000 | [diff] [blame] | 1029 | #ifdef macintosh |
| 1030 | for (;;); |
| 1031 | #endif |
Guido van Rossum | 9b38a14 | 1996-09-11 23:12:24 +0000 | [diff] [blame] | 1032 | #ifdef MS_WIN32 |
Guido van Rossum | 23c9446 | 1997-05-22 20:21:30 +0000 | [diff] [blame] | 1033 | OutputDebugString("Fatal Python error: "); |
Guido van Rossum | a44823b | 1995-03-14 15:01:17 +0000 | [diff] [blame] | 1034 | OutputDebugString(msg); |
| 1035 | OutputDebugString("\n"); |
Guido van Rossum | 0ba3536 | 1998-08-13 13:33:16 +0000 | [diff] [blame] | 1036 | #ifdef _DEBUG |
| 1037 | DebugBreak(); |
Guido van Rossum | a44823b | 1995-03-14 15:01:17 +0000 | [diff] [blame] | 1038 | #endif |
Guido van Rossum | 0ba3536 | 1998-08-13 13:33:16 +0000 | [diff] [blame] | 1039 | #endif /* MS_WIN32 */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1040 | abort(); |
| 1041 | } |
| 1042 | |
| 1043 | /* Clean up and exit */ |
| 1044 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1045 | #ifdef WITH_THREAD |
Guido van Rossum | 49b5606 | 1998-10-01 20:42:43 +0000 | [diff] [blame] | 1046 | #include "pythread.h" |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1047 | int _PyThread_Started = 0; /* Set by threadmodule.c and maybe others */ |
Guido van Rossum | f9f2e82 | 1992-08-17 08:59:08 +0000 | [diff] [blame] | 1048 | #endif |
| 1049 | |
Guido van Rossum | 2dcfc96 | 1998-10-01 16:01:57 +0000 | [diff] [blame] | 1050 | #define NEXITFUNCS 32 |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1051 | static void (*exitfuncs[NEXITFUNCS])(); |
| 1052 | static int nexitfuncs = 0; |
| 1053 | |
| 1054 | int Py_AtExit(func) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1055 | void (*func) Py_PROTO((void)); |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1056 | { |
| 1057 | if (nexitfuncs >= NEXITFUNCS) |
| 1058 | return -1; |
| 1059 | exitfuncs[nexitfuncs++] = func; |
| 1060 | return 0; |
| 1061 | } |
| 1062 | |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1063 | static void |
| 1064 | call_sys_exitfunc() |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1065 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1066 | PyObject *exitfunc = PySys_GetObject("exitfunc"); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1067 | |
| 1068 | if (exitfunc) { |
Guido van Rossum | bf02fb2 | 1998-04-03 21:12:12 +0000 | [diff] [blame] | 1069 | PyObject *res, *f; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1070 | Py_INCREF(exitfunc); |
| 1071 | PySys_SetObject("exitfunc", (PyObject *)NULL); |
Guido van Rossum | bf02fb2 | 1998-04-03 21:12:12 +0000 | [diff] [blame] | 1072 | f = PySys_GetObject("stderr"); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1073 | res = PyEval_CallObject(exitfunc, (PyObject *)NULL); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1074 | if (res == NULL) { |
Guido van Rossum | bf02fb2 | 1998-04-03 21:12:12 +0000 | [diff] [blame] | 1075 | if (f) |
| 1076 | PyFile_WriteString("Error in sys.exitfunc:\n", f); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1077 | PyErr_Print(); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1078 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1079 | Py_DECREF(exitfunc); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1080 | } |
| 1081 | |
Guido van Rossum | 0829c75 | 1998-02-28 04:31:39 +0000 | [diff] [blame] | 1082 | if (Py_FlushLine()) |
| 1083 | PyErr_Clear(); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1084 | } |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1085 | |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1086 | static void |
| 1087 | call_ll_exitfuncs() |
| 1088 | { |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1089 | while (nexitfuncs > 0) |
| 1090 | (*exitfuncs[--nexitfuncs])(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 1091 | |
| 1092 | fflush(stdout); |
| 1093 | fflush(stderr); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1094 | } |
| 1095 | |
| 1096 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1097 | Py_Exit(sts) |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1098 | int sts; |
| 1099 | { |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1100 | Py_Finalize(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1101 | |
Jack Jansen | 66a8977 | 1995-10-27 13:22:14 +0000 | [diff] [blame] | 1102 | #ifdef macintosh |
| 1103 | PyMac_Exit(sts); |
| 1104 | #else |
Guido van Rossum | 2c1f6be | 1999-01-08 15:56:28 +0000 | [diff] [blame] | 1105 | #ifdef MS_WINDOWS |
| 1106 | win_pre_exit(sts); |
| 1107 | #endif |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1108 | exit(sts); |
Jack Jansen | 66a8977 | 1995-10-27 13:22:14 +0000 | [diff] [blame] | 1109 | #endif |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1110 | } |
| 1111 | |
Guido van Rossum | f1dc566 | 1993-07-05 10:31:29 +0000 | [diff] [blame] | 1112 | static void |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1113 | initsigs() |
| 1114 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1115 | #ifdef HAVE_SIGNAL_H |
| 1116 | #ifdef SIGPIPE |
| 1117 | signal(SIGPIPE, SIG_IGN); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1118 | #endif |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1119 | #endif /* HAVE_SIGNAL_H */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1120 | PyOS_InitInterrupts(); /* May imply initsignal() */ |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1121 | } |
| 1122 | |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 1123 | #ifdef Py_TRACE_REFS |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1124 | /* Ask a yes/no question */ |
| 1125 | |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1126 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1127 | _Py_AskYesNo(prompt) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1128 | char *prompt; |
| 1129 | { |
| 1130 | char buf[256]; |
| 1131 | |
| 1132 | printf("%s [ny] ", prompt); |
| 1133 | if (fgets(buf, sizeof buf, stdin) == NULL) |
| 1134 | return 0; |
| 1135 | return buf[0] == 'y' || buf[0] == 'Y'; |
| 1136 | } |
| 1137 | #endif |
| 1138 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1139 | #ifdef MPW |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1140 | |
| 1141 | /* Check for file descriptor connected to interactive device. |
| 1142 | Pretend that stdin is always interactive, other files never. */ |
| 1143 | |
| 1144 | int |
| 1145 | isatty(fd) |
| 1146 | int fd; |
| 1147 | { |
| 1148 | return fd == fileno(stdin); |
| 1149 | } |
| 1150 | |
| 1151 | #endif |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 1152 | |
| 1153 | /* |
| 1154 | * The file descriptor fd is considered ``interactive'' if either |
| 1155 | * a) isatty(fd) is TRUE, or |
| 1156 | * b) the -i flag was given, and the filename associated with |
| 1157 | * the descriptor is NULL or "<stdin>" or "???". |
| 1158 | */ |
| 1159 | int |
| 1160 | Py_FdIsInteractive(fp, filename) |
| 1161 | FILE *fp; |
| 1162 | char *filename; |
| 1163 | { |
| 1164 | if (isatty((int)fileno(fp))) |
| 1165 | return 1; |
| 1166 | if (!Py_InteractiveFlag) |
| 1167 | return 0; |
| 1168 | return (filename == NULL) || |
| 1169 | (strcmp(filename, "<stdin>") == 0) || |
| 1170 | (strcmp(filename, "???") == 0); |
| 1171 | } |
Guido van Rossum | 2c1f6be | 1999-01-08 15:56:28 +0000 | [diff] [blame] | 1172 | |
| 1173 | #ifdef MS_WINDOWS |
| 1174 | |
| 1175 | #include <windows.h> |
| 1176 | #include <conio.h> |
| 1177 | |
| 1178 | static int its_my_console = -1; |
| 1179 | |
| 1180 | static void |
| 1181 | win_pre_init() |
| 1182 | { |
| 1183 | HANDLE console; |
| 1184 | CONSOLE_SCREEN_BUFFER_INFO info; |
| 1185 | if (its_my_console >= 0) |
| 1186 | return; |
| 1187 | its_my_console = 0; |
| 1188 | console = GetStdHandle(STD_OUTPUT_HANDLE); |
| 1189 | if (console == INVALID_HANDLE_VALUE) |
| 1190 | return; |
| 1191 | if (!GetConsoleScreenBufferInfo(console, &info)) { |
| 1192 | return; |
| 1193 | } |
| 1194 | if (info.dwCursorPosition.Y == 0) |
| 1195 | its_my_console = 1; |
| 1196 | } |
| 1197 | |
| 1198 | static void |
| 1199 | win_pre_exit(sts) |
| 1200 | int sts; |
| 1201 | { |
| 1202 | if (sts == 0) |
| 1203 | return; |
| 1204 | if (its_my_console <= 0) |
| 1205 | return; |
| 1206 | fprintf(stderr, "Hit any key to exit..."); |
| 1207 | fflush(stderr); |
| 1208 | _getch(); |
| 1209 | } |
| 1210 | |
| 1211 | #endif |