Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1 | /*********************************************************** |
Guido van Rossum | fd71b9e | 2000-06-30 23:50:40 +0000 | [diff] [blame] | 2 | Copyright (c) 2000, BeOpen.com. |
| 3 | Copyright (c) 1995-2000, Corporation for National Research Initiatives. |
| 4 | Copyright (c) 1990-1995, Stichting Mathematisch Centrum. |
| 5 | All rights reserved. |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 6 | |
Guido van Rossum | fd71b9e | 2000-06-30 23:50:40 +0000 | [diff] [blame] | 7 | See the file "Misc/COPYRIGHT" for information on usage and |
| 8 | redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 9 | ******************************************************************/ |
| 10 | |
| 11 | /* Python interpreter top-level routines, including init/exit */ |
| 12 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 13 | #include "Python.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 14 | |
| 15 | #include "grammar.h" |
| 16 | #include "node.h" |
Fred Drake | 85f3639 | 2000-07-11 17:53:00 +0000 | [diff] [blame^] | 17 | #include "token.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 18 | #include "parsetok.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 19 | #include "errcode.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 20 | #include "compile.h" |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 21 | #include "eval.h" |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 22 | #include "marshal.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 23 | |
Guido van Rossum | 80bb965 | 1996-12-05 23:27:02 +0000 | [diff] [blame] | 24 | #ifdef HAVE_UNISTD_H |
| 25 | #include <unistd.h> |
| 26 | #endif |
| 27 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 28 | #ifdef HAVE_SIGNAL_H |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 29 | #include <signal.h> |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 30 | #endif |
| 31 | |
Guido van Rossum | 9b38a14 | 1996-09-11 23:12:24 +0000 | [diff] [blame] | 32 | #ifdef MS_WIN32 |
Guido van Rossum | a44823b | 1995-03-14 15:01:17 +0000 | [diff] [blame] | 33 | #undef BYTE |
| 34 | #include "windows.h" |
| 35 | #endif |
| 36 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 37 | extern char *Py_GetPath(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 38 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 39 | extern grammar _PyParser_Grammar; /* From graminit.c */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 40 | |
Guido van Rossum | b73cc04 | 1993-11-01 16:28:59 +0000 | [diff] [blame] | 41 | /* Forward */ |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 42 | static void initmain(void); |
| 43 | static void initsite(void); |
| 44 | static PyObject *run_err_node(node *n, char *filename, |
| 45 | PyObject *globals, PyObject *locals); |
| 46 | static PyObject *run_node(node *n, char *filename, |
| 47 | PyObject *globals, PyObject *locals); |
| 48 | static PyObject *run_pyc_file(FILE *fp, char *filename, |
| 49 | PyObject *globals, PyObject *locals); |
| 50 | static void err_input(perrdetail *); |
| 51 | static void initsigs(void); |
| 52 | static void call_sys_exitfunc(void); |
| 53 | static void call_ll_exitfuncs(void); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 54 | |
Guido van Rossum | bffd683 | 2000-01-20 22:32:56 +0000 | [diff] [blame] | 55 | #ifdef Py_TRACE_REFS |
| 56 | int _Py_AskYesNo(char *prompt); |
| 57 | #endif |
| 58 | |
Guido van Rossum | c94044c | 2000-03-10 23:03:54 +0000 | [diff] [blame] | 59 | extern void _PyUnicode_Init(); |
| 60 | extern void _PyUnicode_Fini(); |
| 61 | extern void _PyCodecRegistry_Init(); |
| 62 | extern void _PyCodecRegistry_Fini(); |
| 63 | |
| 64 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 65 | int Py_DebugFlag; /* Needed by parser.c */ |
| 66 | int Py_VerboseFlag; /* Needed by import.c */ |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 67 | int Py_InteractiveFlag; /* Needed by Py_FdIsInteractive() below */ |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 68 | int Py_NoSiteFlag; /* Suppress 'import site' */ |
Barry Warsaw | 3ce0964 | 2000-05-02 19:18:59 +0000 | [diff] [blame] | 69 | int Py_UseClassExceptionsFlag = 1; /* Needed by bltinmodule.c: deprecated */ |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 70 | int Py_FrozenFlag; /* Needed by getpath.c */ |
Guido van Rossum | b16d197 | 2000-05-01 17:55:15 +0000 | [diff] [blame] | 71 | int Py_UnicodeFlag = 0; /* Needed by compile.c */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 72 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 73 | static int initialized = 0; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 74 | |
Guido van Rossum | e3c0d5e | 1997-08-22 04:20:13 +0000 | [diff] [blame] | 75 | /* API to access the initialized flag -- useful for eroteric use */ |
| 76 | |
| 77 | int |
| 78 | Py_IsInitialized() |
| 79 | { |
| 80 | return initialized; |
| 81 | } |
| 82 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 83 | /* Global initializations. Can be undone by Py_Finalize(). Don't |
| 84 | call this twice without an intervening Py_Finalize() call. When |
| 85 | initializations fail, a fatal error is issued and the function does |
| 86 | not return. On return, the first thread and interpreter state have |
| 87 | been created. |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 88 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 89 | Locking: you must hold the interpreter lock while calling this. |
| 90 | (If the lock has not yet been initialized, that's equivalent to |
| 91 | having the lock, but you cannot use multiple threads.) |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 92 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 93 | */ |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 94 | |
| 95 | void |
| 96 | Py_Initialize() |
| 97 | { |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 98 | PyInterpreterState *interp; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 99 | PyThreadState *tstate; |
| 100 | PyObject *bimod, *sysmod; |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 101 | char *p; |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 102 | |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 103 | if (initialized) |
Guido van Rossum | aa61505 | 1997-08-20 22:40:18 +0000 | [diff] [blame] | 104 | return; |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 105 | initialized = 1; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 106 | |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 107 | if ((p = getenv("PYTHONDEBUG")) && *p != '\0') |
| 108 | Py_DebugFlag = 1; |
| 109 | if ((p = getenv("PYTHONVERBOSE")) && *p != '\0') |
| 110 | Py_VerboseFlag = 1; |
Guido van Rossum | 562f5b1 | 1998-10-07 14:50:42 +0000 | [diff] [blame] | 111 | if ((p = getenv("PYTHONOPTIMIZE")) && *p != '\0') |
| 112 | Py_OptimizeFlag = 1; |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 113 | |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 114 | interp = PyInterpreterState_New(); |
| 115 | if (interp == NULL) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 116 | Py_FatalError("Py_Initialize: can't make first interpreter"); |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 117 | |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 118 | tstate = PyThreadState_New(interp); |
| 119 | if (tstate == NULL) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 120 | Py_FatalError("Py_Initialize: can't make first thread"); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 121 | (void) PyThreadState_Swap(tstate); |
| 122 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 123 | interp->modules = PyDict_New(); |
| 124 | if (interp->modules == NULL) |
| 125 | Py_FatalError("Py_Initialize: can't make modules dictionary"); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 126 | |
Guido van Rossum | c94044c | 2000-03-10 23:03:54 +0000 | [diff] [blame] | 127 | /* Init codec registry */ |
| 128 | _PyCodecRegistry_Init(); |
| 129 | |
| 130 | /* Init Unicode implementation; relies on the codec registry */ |
| 131 | _PyUnicode_Init(); |
| 132 | |
Jeremy Hylton | 4a3dd2d | 2000-04-14 19:13:24 +0000 | [diff] [blame] | 133 | _PyCompareState_Key = PyString_InternFromString("cmp_state"); |
| 134 | |
Barry Warsaw | f242aa0 | 2000-05-25 23:09:49 +0000 | [diff] [blame] | 135 | bimod = _PyBuiltin_Init(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 136 | if (bimod == NULL) |
| 137 | Py_FatalError("Py_Initialize: can't initialize __builtin__"); |
Guido van Rossum | 4a1f39a | 1997-11-04 19:36:18 +0000 | [diff] [blame] | 138 | interp->builtins = PyModule_GetDict(bimod); |
| 139 | Py_INCREF(interp->builtins); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 140 | |
| 141 | sysmod = _PySys_Init(); |
| 142 | if (sysmod == NULL) |
| 143 | Py_FatalError("Py_Initialize: can't initialize sys"); |
| 144 | interp->sysdict = PyModule_GetDict(sysmod); |
| 145 | Py_INCREF(interp->sysdict); |
| 146 | _PyImport_FixupExtension("sys", "sys"); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 147 | PySys_SetPath(Py_GetPath()); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 148 | PyDict_SetItemString(interp->sysdict, "modules", |
| 149 | interp->modules); |
| 150 | |
Guido van Rossum | 7c85ab8 | 1999-07-08 17:26:56 +0000 | [diff] [blame] | 151 | _PyImport_Init(); |
| 152 | |
Barry Warsaw | f242aa0 | 2000-05-25 23:09:49 +0000 | [diff] [blame] | 153 | /* initialize builtin exceptions */ |
| 154 | init_exceptions(); |
| 155 | |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 156 | /* phase 2 of builtins */ |
Barry Warsaw | 963b871 | 1997-09-18 16:42:02 +0000 | [diff] [blame] | 157 | _PyImport_FixupExtension("__builtin__", "__builtin__"); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 158 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 159 | initsigs(); /* Signal handling stuff, including initintr() */ |
| 160 | |
| 161 | initmain(); /* Module __main__ */ |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 162 | if (!Py_NoSiteFlag) |
| 163 | initsite(); /* Module site */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 164 | } |
| 165 | |
Guido van Rossum | 2edcf0d | 1998-12-15 16:12:00 +0000 | [diff] [blame] | 166 | #ifdef COUNT_ALLOCS |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 167 | extern void dump_counts(void); |
Guido van Rossum | 2edcf0d | 1998-12-15 16:12:00 +0000 | [diff] [blame] | 168 | #endif |
| 169 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 170 | /* Undo the effect of Py_Initialize(). |
| 171 | |
| 172 | Beware: if multiple interpreter and/or thread states exist, these |
| 173 | are not wiped out; only the current thread and interpreter state |
| 174 | are deleted. But since everything else is deleted, those other |
| 175 | interpreter and thread states should no longer be used. |
| 176 | |
| 177 | (XXX We should do better, e.g. wipe out all interpreters and |
| 178 | threads.) |
| 179 | |
| 180 | Locking: as above. |
| 181 | |
| 182 | */ |
| 183 | |
| 184 | void |
| 185 | Py_Finalize() |
| 186 | { |
| 187 | PyInterpreterState *interp; |
| 188 | PyThreadState *tstate; |
| 189 | |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 190 | if (!initialized) |
Guido van Rossum | aa61505 | 1997-08-20 22:40:18 +0000 | [diff] [blame] | 191 | return; |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 192 | initialized = 0; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 193 | |
Guido van Rossum | 4cc462e | 1998-01-19 22:00:38 +0000 | [diff] [blame] | 194 | call_sys_exitfunc(); |
| 195 | |
Guido van Rossum | 3a44e1b | 1997-11-03 21:58:47 +0000 | [diff] [blame] | 196 | /* Get current thread state and interpreter pointer */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 197 | tstate = PyThreadState_Get(); |
| 198 | interp = tstate->interp; |
| 199 | |
Guido van Rossum | 3a44e1b | 1997-11-03 21:58:47 +0000 | [diff] [blame] | 200 | /* Disable signal handling */ |
| 201 | PyOS_FiniInterrupts(); |
| 202 | |
Guido van Rossum | c94044c | 2000-03-10 23:03:54 +0000 | [diff] [blame] | 203 | /* Cleanup Unicode implementation */ |
| 204 | _PyUnicode_Fini(); |
| 205 | |
| 206 | /* Cleanup Codec registry */ |
| 207 | _PyCodecRegistry_Fini(); |
| 208 | |
Guido van Rossum | 3a44e1b | 1997-11-03 21:58:47 +0000 | [diff] [blame] | 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 |
Guido van Rossum | eca4784 | 2000-04-27 23:44:15 +0000 | [diff] [blame] | 225 | if ( |
| 226 | #ifdef MS_WINDOWS /* Only ask on Windows if env var set */ |
| 227 | getenv("PYTHONDUMPREFS") && |
| 228 | #endif /* MS_WINDOWS */ |
| 229 | _Py_AskYesNo("Print left references?")) { |
Guido van Rossum | 1707aad | 1997-12-08 23:43:45 +0000 | [diff] [blame] | 230 | _Py_PrintReferences(stderr); |
| 231 | } |
| 232 | #endif /* Py_TRACE_REFS */ |
| 233 | |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 234 | /* Now we decref the exception classes. After this point nothing |
| 235 | can raise an exception. That's okay, because each Fini() method |
| 236 | below has been checked to make sure no exceptions are ever |
| 237 | raised. |
| 238 | */ |
Barry Warsaw | f242aa0 | 2000-05-25 23:09:49 +0000 | [diff] [blame] | 239 | fini_exceptions(); |
| 240 | |
| 241 | /* Delete current thread */ |
| 242 | PyInterpreterState_Clear(interp); |
| 243 | PyThreadState_Swap(NULL); |
| 244 | PyInterpreterState_Delete(interp); |
| 245 | |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 246 | PyMethod_Fini(); |
| 247 | PyFrame_Fini(); |
| 248 | PyCFunction_Fini(); |
| 249 | PyTuple_Fini(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 250 | PyString_Fini(); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 251 | PyInt_Fini(); |
| 252 | PyFloat_Fini(); |
| 253 | |
| 254 | /* XXX Still allocated: |
| 255 | - various static ad-hoc pointers to interned strings |
| 256 | - int and float free list blocks |
| 257 | - whatever various modules and libraries allocate |
| 258 | */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 259 | |
| 260 | PyGrammar_RemoveAccelerators(&_PyParser_Grammar); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 261 | |
| 262 | call_ll_exitfuncs(); |
| 263 | |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 264 | #ifdef Py_TRACE_REFS |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 265 | _Py_ResetReferences(); |
| 266 | #endif /* Py_TRACE_REFS */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 267 | } |
| 268 | |
| 269 | /* Create and initialize a new interpreter and thread, and return the |
| 270 | new thread. This requires that Py_Initialize() has been called |
| 271 | first. |
| 272 | |
| 273 | Unsuccessful initialization yields a NULL pointer. Note that *no* |
| 274 | exception information is available even in this case -- the |
| 275 | exception information is held in the thread, and there is no |
| 276 | thread. |
| 277 | |
| 278 | Locking: as above. |
| 279 | |
| 280 | */ |
| 281 | |
| 282 | PyThreadState * |
| 283 | Py_NewInterpreter() |
| 284 | { |
| 285 | PyInterpreterState *interp; |
| 286 | PyThreadState *tstate, *save_tstate; |
| 287 | PyObject *bimod, *sysmod; |
| 288 | |
| 289 | if (!initialized) |
| 290 | Py_FatalError("Py_NewInterpreter: call Py_Initialize first"); |
| 291 | |
| 292 | interp = PyInterpreterState_New(); |
| 293 | if (interp == NULL) |
| 294 | return NULL; |
| 295 | |
| 296 | tstate = PyThreadState_New(interp); |
| 297 | if (tstate == NULL) { |
| 298 | PyInterpreterState_Delete(interp); |
| 299 | return NULL; |
| 300 | } |
| 301 | |
| 302 | save_tstate = PyThreadState_Swap(tstate); |
| 303 | |
| 304 | /* XXX The following is lax in error checking */ |
| 305 | |
| 306 | interp->modules = PyDict_New(); |
| 307 | |
| 308 | bimod = _PyImport_FindExtension("__builtin__", "__builtin__"); |
| 309 | if (bimod != NULL) { |
Guido van Rossum | 4a1f39a | 1997-11-04 19:36:18 +0000 | [diff] [blame] | 310 | interp->builtins = PyModule_GetDict(bimod); |
| 311 | Py_INCREF(interp->builtins); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 312 | } |
| 313 | sysmod = _PyImport_FindExtension("sys", "sys"); |
| 314 | if (bimod != NULL && sysmod != NULL) { |
| 315 | interp->sysdict = PyModule_GetDict(sysmod); |
| 316 | Py_INCREF(interp->sysdict); |
| 317 | PySys_SetPath(Py_GetPath()); |
| 318 | PyDict_SetItemString(interp->sysdict, "modules", |
| 319 | interp->modules); |
| 320 | initmain(); |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 321 | if (!Py_NoSiteFlag) |
| 322 | initsite(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 323 | } |
| 324 | |
| 325 | if (!PyErr_Occurred()) |
| 326 | return tstate; |
| 327 | |
| 328 | /* Oops, it didn't work. Undo it all. */ |
| 329 | |
| 330 | PyErr_Print(); |
| 331 | PyThreadState_Clear(tstate); |
| 332 | PyThreadState_Swap(save_tstate); |
| 333 | PyThreadState_Delete(tstate); |
| 334 | PyInterpreterState_Delete(interp); |
| 335 | |
| 336 | return NULL; |
| 337 | } |
| 338 | |
| 339 | /* Delete an interpreter and its last thread. This requires that the |
| 340 | given thread state is current, that the thread has no remaining |
| 341 | frames, and that it is its interpreter's only remaining thread. |
| 342 | It is a fatal error to violate these constraints. |
| 343 | |
| 344 | (Py_Finalize() doesn't have these constraints -- it zaps |
| 345 | everything, regardless.) |
| 346 | |
| 347 | Locking: as above. |
| 348 | |
| 349 | */ |
| 350 | |
| 351 | void |
| 352 | Py_EndInterpreter(tstate) |
| 353 | PyThreadState *tstate; |
| 354 | { |
| 355 | PyInterpreterState *interp = tstate->interp; |
| 356 | |
| 357 | if (tstate != PyThreadState_Get()) |
| 358 | Py_FatalError("Py_EndInterpreter: thread is not current"); |
| 359 | if (tstate->frame != NULL) |
| 360 | Py_FatalError("Py_EndInterpreter: thread still has a frame"); |
| 361 | if (tstate != interp->tstate_head || tstate->next != NULL) |
| 362 | Py_FatalError("Py_EndInterpreter: not the last thread"); |
| 363 | |
| 364 | PyImport_Cleanup(); |
| 365 | PyInterpreterState_Clear(interp); |
| 366 | PyThreadState_Swap(NULL); |
| 367 | PyInterpreterState_Delete(interp); |
Guido van Rossum | ad6dfda | 1997-07-19 19:17:22 +0000 | [diff] [blame] | 368 | } |
| 369 | |
| 370 | static char *progname = "python"; |
| 371 | |
| 372 | void |
| 373 | Py_SetProgramName(pn) |
| 374 | char *pn; |
| 375 | { |
| 376 | if (pn && *pn) |
| 377 | progname = pn; |
| 378 | } |
| 379 | |
| 380 | char * |
| 381 | Py_GetProgramName() |
| 382 | { |
| 383 | return progname; |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 384 | } |
| 385 | |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 386 | static char *default_home = NULL; |
| 387 | |
| 388 | void |
| 389 | Py_SetPythonHome(home) |
| 390 | char *home; |
| 391 | { |
| 392 | default_home = home; |
| 393 | } |
| 394 | |
| 395 | char * |
| 396 | Py_GetPythonHome() |
| 397 | { |
| 398 | char *home = default_home; |
| 399 | if (home == NULL) |
| 400 | home = getenv("PYTHONHOME"); |
| 401 | return home; |
| 402 | } |
| 403 | |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 404 | /* Create __main__ module */ |
| 405 | |
| 406 | static void |
| 407 | initmain() |
| 408 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 409 | PyObject *m, *d; |
| 410 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 411 | if (m == NULL) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 412 | Py_FatalError("can't create __main__ module"); |
| 413 | d = PyModule_GetDict(m); |
| 414 | if (PyDict_GetItemString(d, "__builtins__") == NULL) { |
Guido van Rossum | 858cb73 | 1997-11-19 16:15:37 +0000 | [diff] [blame] | 415 | PyObject *bimod = PyImport_ImportModule("__builtin__"); |
| 416 | if (bimod == NULL || |
| 417 | PyDict_SetItemString(d, "__builtins__", bimod) != 0) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 418 | Py_FatalError("can't add __builtins__ to __main__"); |
Barry Warsaw | 3d05b1a | 1999-01-29 21:30:22 +0000 | [diff] [blame] | 419 | Py_DECREF(bimod); |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 420 | } |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 421 | } |
| 422 | |
Guido van Rossum | dcc0c13 | 1997-08-29 22:32:42 +0000 | [diff] [blame] | 423 | /* Import the site module (not into __main__ though) */ |
| 424 | |
| 425 | static void |
| 426 | initsite() |
| 427 | { |
| 428 | PyObject *m, *f; |
| 429 | m = PyImport_ImportModule("site"); |
| 430 | if (m == NULL) { |
| 431 | f = PySys_GetObject("stderr"); |
| 432 | if (Py_VerboseFlag) { |
| 433 | PyFile_WriteString( |
| 434 | "'import site' failed; traceback:\n", f); |
| 435 | PyErr_Print(); |
| 436 | } |
| 437 | else { |
| 438 | PyFile_WriteString( |
| 439 | "'import site' failed; use -v for traceback\n", f); |
| 440 | PyErr_Clear(); |
| 441 | } |
| 442 | } |
| 443 | else { |
| 444 | Py_DECREF(m); |
| 445 | } |
| 446 | } |
| 447 | |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 448 | /* Parse input from a file and execute it */ |
| 449 | |
| 450 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 451 | PyRun_AnyFile(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 452 | FILE *fp; |
| 453 | char *filename; |
| 454 | { |
| 455 | if (filename == NULL) |
| 456 | filename = "???"; |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 457 | if (Py_FdIsInteractive(fp, filename)) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 458 | return PyRun_InteractiveLoop(fp, filename); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 459 | else |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 460 | return PyRun_SimpleFile(fp, filename); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 461 | } |
| 462 | |
| 463 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 464 | PyRun_InteractiveLoop(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 465 | FILE *fp; |
| 466 | char *filename; |
| 467 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 468 | PyObject *v; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 469 | int ret; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 470 | v = PySys_GetObject("ps1"); |
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("ps1", v = PyString_FromString(">>> ")); |
| 473 | Py_XDECREF(v); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 474 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 475 | v = PySys_GetObject("ps2"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 476 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 477 | PySys_SetObject("ps2", v = PyString_FromString("... ")); |
| 478 | Py_XDECREF(v); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 479 | } |
| 480 | for (;;) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 481 | ret = PyRun_InteractiveOne(fp, filename); |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 482 | #ifdef Py_REF_DEBUG |
Guido van Rossum | 6f9e433 | 1995-03-29 16:57:48 +0000 | [diff] [blame] | 483 | fprintf(stderr, "[%ld refs]\n", _Py_RefTotal); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 484 | #endif |
| 485 | if (ret == E_EOF) |
| 486 | return 0; |
| 487 | /* |
| 488 | if (ret == E_NOMEM) |
| 489 | return -1; |
| 490 | */ |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 495 | PyRun_InteractiveOne(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 496 | FILE *fp; |
| 497 | char *filename; |
| 498 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 499 | PyObject *m, *d, *v, *w; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 500 | node *n; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 501 | perrdetail err; |
Guido van Rossum | ddc3fb5 | 1997-11-25 20:58:13 +0000 | [diff] [blame] | 502 | char *ps1 = "", *ps2 = ""; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 503 | v = PySys_GetObject("ps1"); |
Guido van Rossum | ddc3fb5 | 1997-11-25 20:58:13 +0000 | [diff] [blame] | 504 | if (v != NULL) { |
| 505 | v = PyObject_Str(v); |
| 506 | if (v == NULL) |
| 507 | PyErr_Clear(); |
| 508 | else if (PyString_Check(v)) |
| 509 | ps1 = PyString_AsString(v); |
| 510 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 511 | w = PySys_GetObject("ps2"); |
Guido van Rossum | ddc3fb5 | 1997-11-25 20:58:13 +0000 | [diff] [blame] | 512 | if (w != NULL) { |
| 513 | w = PyObject_Str(w); |
| 514 | if (w == NULL) |
| 515 | PyErr_Clear(); |
| 516 | else if (PyString_Check(w)) |
| 517 | ps2 = PyString_AsString(w); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 518 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 519 | n = PyParser_ParseFile(fp, filename, &_PyParser_Grammar, |
Guido van Rossum | b05a5c7 | 1997-05-07 17:46:13 +0000 | [diff] [blame] | 520 | Py_single_input, ps1, ps2, &err); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 521 | Py_XDECREF(v); |
| 522 | Py_XDECREF(w); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 523 | if (n == NULL) { |
| 524 | if (err.error == E_EOF) { |
| 525 | if (err.text) |
Guido van Rossum | b18618d | 2000-05-03 23:44:39 +0000 | [diff] [blame] | 526 | PyMem_DEL(err.text); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 527 | return E_EOF; |
| 528 | } |
| 529 | err_input(&err); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 530 | PyErr_Print(); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 531 | return err.error; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 532 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 533 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 534 | if (m == NULL) |
| 535 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 536 | d = PyModule_GetDict(m); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 537 | v = run_node(n, filename, d, d); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 538 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 539 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 540 | return -1; |
| 541 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 542 | Py_DECREF(v); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 543 | if (Py_FlushLine()) |
| 544 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 545 | return 0; |
| 546 | } |
| 547 | |
| 548 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 549 | PyRun_SimpleFile(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 550 | FILE *fp; |
| 551 | char *filename; |
| 552 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 553 | PyObject *m, *d, *v; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 554 | char *ext; |
| 555 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 556 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 557 | if (m == NULL) |
| 558 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 559 | d = PyModule_GetDict(m); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 560 | ext = filename + strlen(filename) - 4; |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 561 | if (strcmp(ext, ".pyc") == 0 || strcmp(ext, ".pyo") == 0 |
Jack Jansen | bd06e96 | 1995-02-13 11:44:56 +0000 | [diff] [blame] | 562 | #ifdef macintosh |
| 563 | /* 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] | 564 | || getfiletype(filename) == 'PYC ' |
| 565 | || getfiletype(filename) == 'APPL' |
Jack Jansen | bd06e96 | 1995-02-13 11:44:56 +0000 | [diff] [blame] | 566 | #endif /* macintosh */ |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 567 | ) { |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 568 | /* Try to run a pyc file. First, re-open in binary */ |
Jack Jansen | e00637b | 1994-12-14 12:58:37 +0000 | [diff] [blame] | 569 | /* Don't close, done in main: fclose(fp); */ |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 570 | if( (fp = fopen(filename, "rb")) == NULL ) { |
| 571 | fprintf(stderr, "python: Can't reopen .pyc file\n"); |
| 572 | return -1; |
| 573 | } |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 574 | /* Turn on optimization if a .pyo file is given */ |
| 575 | if (strcmp(ext, ".pyo") == 0) |
| 576 | Py_OptimizeFlag = 1; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 577 | v = run_pyc_file(fp, filename, d, d); |
| 578 | } else { |
Guido van Rossum | b05a5c7 | 1997-05-07 17:46:13 +0000 | [diff] [blame] | 579 | v = PyRun_File(fp, filename, Py_file_input, d, d); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 580 | } |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 581 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 582 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 583 | return -1; |
| 584 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 585 | Py_DECREF(v); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 586 | if (Py_FlushLine()) |
| 587 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 588 | return 0; |
| 589 | } |
| 590 | |
| 591 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 592 | PyRun_SimpleString(command) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 593 | char *command; |
| 594 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 595 | PyObject *m, *d, *v; |
| 596 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 597 | if (m == NULL) |
| 598 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 599 | d = PyModule_GetDict(m); |
Guido van Rossum | b05a5c7 | 1997-05-07 17:46:13 +0000 | [diff] [blame] | 600 | v = PyRun_String(command, Py_file_input, d, d); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 601 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 602 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 603 | return -1; |
| 604 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 605 | Py_DECREF(v); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 606 | if (Py_FlushLine()) |
| 607 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 608 | return 0; |
| 609 | } |
| 610 | |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 611 | static int |
| 612 | parse_syntax_error(err, message, filename, lineno, offset, text) |
| 613 | PyObject* err; |
| 614 | PyObject** message; |
| 615 | char** filename; |
| 616 | int* lineno; |
| 617 | int* offset; |
| 618 | char** text; |
| 619 | { |
| 620 | long hold; |
| 621 | PyObject *v; |
| 622 | |
| 623 | /* old style errors */ |
| 624 | if (PyTuple_Check(err)) |
| 625 | return PyArg_Parse(err, "(O(ziiz))", message, filename, |
| 626 | lineno, offset, text); |
| 627 | |
| 628 | /* new style errors. `err' is an instance */ |
| 629 | |
| 630 | if (! (v = PyObject_GetAttrString(err, "msg"))) |
| 631 | goto finally; |
| 632 | *message = v; |
| 633 | |
| 634 | if (!(v = PyObject_GetAttrString(err, "filename"))) |
| 635 | goto finally; |
| 636 | if (v == Py_None) |
| 637 | *filename = NULL; |
| 638 | else if (! (*filename = PyString_AsString(v))) |
| 639 | goto finally; |
| 640 | |
| 641 | Py_DECREF(v); |
| 642 | if (!(v = PyObject_GetAttrString(err, "lineno"))) |
| 643 | goto finally; |
| 644 | hold = PyInt_AsLong(v); |
| 645 | Py_DECREF(v); |
| 646 | v = NULL; |
| 647 | if (hold < 0 && PyErr_Occurred()) |
| 648 | goto finally; |
| 649 | *lineno = (int)hold; |
| 650 | |
| 651 | if (!(v = PyObject_GetAttrString(err, "offset"))) |
| 652 | goto finally; |
| 653 | hold = PyInt_AsLong(v); |
| 654 | Py_DECREF(v); |
| 655 | v = NULL; |
| 656 | if (hold < 0 && PyErr_Occurred()) |
| 657 | goto finally; |
| 658 | *offset = (int)hold; |
| 659 | |
| 660 | if (!(v = PyObject_GetAttrString(err, "text"))) |
| 661 | goto finally; |
| 662 | if (v == Py_None) |
| 663 | *text = NULL; |
| 664 | else if (! (*text = PyString_AsString(v))) |
| 665 | goto finally; |
| 666 | Py_DECREF(v); |
| 667 | return 1; |
| 668 | |
| 669 | finally: |
| 670 | Py_XDECREF(v); |
| 671 | return 0; |
| 672 | } |
| 673 | |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 674 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 675 | PyErr_Print() |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 676 | { |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 677 | PyErr_PrintEx(1); |
| 678 | } |
| 679 | |
| 680 | void |
| 681 | PyErr_PrintEx(set_sys_last_vars) |
| 682 | int set_sys_last_vars; |
| 683 | { |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 684 | int err = 0; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 685 | PyObject *exception, *v, *tb, *f; |
| 686 | PyErr_Fetch(&exception, &v, &tb); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 687 | PyErr_NormalizeException(&exception, &v, &tb); |
| 688 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 689 | if (exception == NULL) |
Guido van Rossum | 296b475 | 1997-05-23 00:19:20 +0000 | [diff] [blame] | 690 | return; |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 691 | |
Barry Warsaw | 36b8f94 | 1997-08-26 18:09:48 +0000 | [diff] [blame] | 692 | if (PyErr_GivenExceptionMatches(exception, PyExc_SystemExit)) { |
Guido van Rossum | 0829c75 | 1998-02-28 04:31:39 +0000 | [diff] [blame] | 693 | if (Py_FlushLine()) |
| 694 | PyErr_Clear(); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 695 | fflush(stdout); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 696 | if (v == NULL || v == Py_None) |
| 697 | Py_Exit(0); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 698 | if (PyInstance_Check(v)) { |
| 699 | /* we expect the error code to be store in the |
| 700 | `code' attribute |
| 701 | */ |
| 702 | PyObject *code = PyObject_GetAttrString(v, "code"); |
| 703 | if (code) { |
| 704 | Py_DECREF(v); |
| 705 | v = code; |
Guido van Rossum | aa9606f | 1997-10-03 13:53:28 +0000 | [diff] [blame] | 706 | if (v == Py_None) |
| 707 | Py_Exit(0); |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 708 | } |
| 709 | /* if we failed to dig out the "code" attribute, |
| 710 | then just let the else clause below print the |
| 711 | error |
| 712 | */ |
| 713 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 714 | if (PyInt_Check(v)) |
| 715 | Py_Exit((int)PyInt_AsLong(v)); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 716 | else { |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 717 | /* OK to use real stderr here */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 718 | PyObject_Print(v, stderr, Py_PRINT_RAW); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 719 | fprintf(stderr, "\n"); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 720 | Py_Exit(1); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 721 | } |
| 722 | } |
Guido van Rossum | a61691e | 1998-02-06 22:27:24 +0000 | [diff] [blame] | 723 | if (set_sys_last_vars) { |
| 724 | PySys_SetObject("last_type", exception); |
| 725 | PySys_SetObject("last_value", v); |
| 726 | PySys_SetObject("last_traceback", tb); |
| 727 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 728 | f = PySys_GetObject("stderr"); |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 729 | if (f == NULL) |
| 730 | fprintf(stderr, "lost sys.stderr\n"); |
| 731 | else { |
Guido van Rossum | 0829c75 | 1998-02-28 04:31:39 +0000 | [diff] [blame] | 732 | if (Py_FlushLine()) |
| 733 | PyErr_Clear(); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 734 | fflush(stdout); |
Guido van Rossum | 0829c75 | 1998-02-28 04:31:39 +0000 | [diff] [blame] | 735 | err = PyTraceBack_Print(tb, f); |
Barry Warsaw | 36b8f94 | 1997-08-26 18:09:48 +0000 | [diff] [blame] | 736 | if (err == 0 && |
| 737 | PyErr_GivenExceptionMatches(exception, PyExc_SyntaxError)) |
| 738 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 739 | PyObject *message; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 740 | char *filename, *text; |
| 741 | int lineno, offset; |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 742 | if (!parse_syntax_error(v, &message, &filename, |
| 743 | &lineno, &offset, &text)) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 744 | PyErr_Clear(); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 745 | else { |
| 746 | char buf[10]; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 747 | PyFile_WriteString(" File \"", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 748 | if (filename == NULL) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 749 | PyFile_WriteString("<string>", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 750 | else |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 751 | PyFile_WriteString(filename, f); |
| 752 | PyFile_WriteString("\", line ", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 753 | sprintf(buf, "%d", lineno); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 754 | PyFile_WriteString(buf, f); |
| 755 | PyFile_WriteString("\n", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 756 | if (text != NULL) { |
Guido van Rossum | 798199d | 1994-09-19 08:08:50 +0000 | [diff] [blame] | 757 | char *nl; |
| 758 | if (offset > 0 && |
Guido van Rossum | 478e718 | 1997-05-06 15:24:59 +0000 | [diff] [blame] | 759 | offset == (int)strlen(text)) |
Guido van Rossum | 798199d | 1994-09-19 08:08:50 +0000 | [diff] [blame] | 760 | offset--; |
| 761 | for (;;) { |
| 762 | nl = strchr(text, '\n'); |
| 763 | if (nl == NULL || |
| 764 | nl-text >= offset) |
| 765 | break; |
| 766 | offset -= (nl+1-text); |
| 767 | text = nl+1; |
| 768 | } |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 769 | while (*text == ' ' || *text == '\t') { |
| 770 | text++; |
| 771 | offset--; |
| 772 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 773 | PyFile_WriteString(" ", f); |
| 774 | PyFile_WriteString(text, f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 775 | if (*text == '\0' || |
| 776 | text[strlen(text)-1] != '\n') |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 777 | PyFile_WriteString("\n", f); |
| 778 | PyFile_WriteString(" ", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 779 | offset--; |
| 780 | while (offset > 0) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 781 | PyFile_WriteString(" ", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 782 | offset--; |
| 783 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 784 | PyFile_WriteString("^\n", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 785 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 786 | Py_INCREF(message); |
| 787 | Py_DECREF(v); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 788 | v = message; |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 789 | /* Can't be bothered to check all those |
| 790 | PyFile_WriteString() calls */ |
| 791 | if (PyErr_Occurred()) |
| 792 | err = -1; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 793 | } |
| 794 | } |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 795 | if (err) { |
| 796 | /* Don't do anything else */ |
| 797 | } |
| 798 | else if (PyClass_Check(exception)) { |
Barry Warsaw | 2f5f6a2 | 1997-09-16 21:42:03 +0000 | [diff] [blame] | 799 | PyClassObject* exc = (PyClassObject*)exception; |
| 800 | PyObject* className = exc->cl_name; |
| 801 | PyObject* moduleName = |
| 802 | PyDict_GetItemString(exc->cl_dict, "__module__"); |
| 803 | |
| 804 | if (moduleName == NULL) |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 805 | err = PyFile_WriteString("<unknown>", f); |
Barry Warsaw | 2f5f6a2 | 1997-09-16 21:42:03 +0000 | [diff] [blame] | 806 | else { |
| 807 | char* modstr = PyString_AsString(moduleName); |
| 808 | if (modstr && strcmp(modstr, "exceptions")) |
| 809 | { |
| 810 | err = PyFile_WriteString(modstr, f); |
| 811 | err += PyFile_WriteString(".", f); |
| 812 | } |
| 813 | } |
| 814 | if (err == 0) { |
| 815 | if (className == NULL) |
| 816 | err = PyFile_WriteString("<unknown>", f); |
| 817 | else |
| 818 | err = PyFile_WriteObject(className, f, |
| 819 | Py_PRINT_RAW); |
| 820 | } |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 821 | } |
| 822 | else |
| 823 | err = PyFile_WriteObject(exception, f, Py_PRINT_RAW); |
| 824 | if (err == 0) { |
| 825 | if (v != NULL && v != Py_None) { |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 826 | PyObject *s = PyObject_Str(v); |
| 827 | /* only print colon if the str() of the |
| 828 | object is not the empty string |
| 829 | */ |
Guido van Rossum | d6bf45b | 1997-09-05 19:11:53 +0000 | [diff] [blame] | 830 | if (s == NULL) |
| 831 | err = -1; |
| 832 | else if (!PyString_Check(s) || |
| 833 | PyString_GET_SIZE(s) != 0) |
Barry Warsaw | 035574d | 1997-08-29 22:07:17 +0000 | [diff] [blame] | 834 | err = PyFile_WriteString(": ", f); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 835 | if (err == 0) |
Guido van Rossum | d6bf45b | 1997-09-05 19:11:53 +0000 | [diff] [blame] | 836 | err = PyFile_WriteObject(s, f, Py_PRINT_RAW); |
| 837 | Py_XDECREF(s); |
Guido van Rossum | 262e124 | 1995-02-07 15:30:45 +0000 | [diff] [blame] | 838 | } |
Guido van Rossum | 262e124 | 1995-02-07 15:30:45 +0000 | [diff] [blame] | 839 | } |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 840 | if (err == 0) |
| 841 | err = PyFile_WriteString("\n", f); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 842 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 843 | Py_XDECREF(exception); |
| 844 | Py_XDECREF(v); |
| 845 | Py_XDECREF(tb); |
Guido van Rossum | 78a1ed3 | 1997-05-22 22:35:04 +0000 | [diff] [blame] | 846 | /* If an error happened here, don't show it. |
| 847 | XXX This is wrong, but too many callers rely on this behavior. */ |
| 848 | if (err != 0) |
| 849 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 850 | } |
| 851 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 852 | PyObject * |
| 853 | PyRun_String(str, start, globals, locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 854 | char *str; |
| 855 | int start; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 856 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 857 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 858 | return run_err_node(PyParser_SimpleParseString(str, start), |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 859 | "<string>", globals, locals); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 860 | } |
| 861 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 862 | PyObject * |
| 863 | PyRun_File(fp, filename, start, globals, locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 864 | FILE *fp; |
| 865 | char *filename; |
| 866 | int start; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 867 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 868 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 869 | return run_err_node(PyParser_SimpleParseFile(fp, filename, start), |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 870 | filename, globals, locals); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 871 | } |
| 872 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 873 | static PyObject * |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 874 | run_err_node(n, filename, globals, locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 875 | node *n; |
| 876 | char *filename; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 877 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 878 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 879 | if (n == NULL) |
| 880 | return NULL; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 881 | return run_node(n, filename, globals, locals); |
| 882 | } |
| 883 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 884 | static PyObject * |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 885 | run_node(n, filename, globals, locals) |
| 886 | node *n; |
| 887 | char *filename; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 888 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 889 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 890 | PyCodeObject *co; |
| 891 | PyObject *v; |
| 892 | co = PyNode_Compile(n, filename); |
| 893 | PyNode_Free(n); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 894 | if (co == NULL) |
| 895 | return NULL; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 896 | v = PyEval_EvalCode(co, globals, locals); |
| 897 | Py_DECREF(co); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 898 | return v; |
| 899 | } |
| 900 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 901 | static PyObject * |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 902 | run_pyc_file(fp, filename, globals, locals) |
| 903 | FILE *fp; |
| 904 | char *filename; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 905 | PyObject *globals, *locals; |
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 | PyCodeObject *co; |
| 908 | PyObject *v; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 909 | long magic; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 910 | long PyImport_GetMagicNumber(); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 911 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 912 | magic = PyMarshal_ReadLongFromFile(fp); |
| 913 | if (magic != PyImport_GetMagicNumber()) { |
| 914 | PyErr_SetString(PyExc_RuntimeError, |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 915 | "Bad magic number in .pyc file"); |
| 916 | return NULL; |
| 917 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 918 | (void) PyMarshal_ReadLongFromFile(fp); |
| 919 | v = PyMarshal_ReadObjectFromFile(fp); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 920 | fclose(fp); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 921 | if (v == NULL || !PyCode_Check(v)) { |
| 922 | Py_XDECREF(v); |
| 923 | PyErr_SetString(PyExc_RuntimeError, |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 924 | "Bad code object in .pyc file"); |
| 925 | return NULL; |
| 926 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 927 | co = (PyCodeObject *)v; |
| 928 | v = PyEval_EvalCode(co, globals, locals); |
| 929 | Py_DECREF(co); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 930 | return v; |
| 931 | } |
| 932 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 933 | PyObject * |
| 934 | Py_CompileString(str, filename, start) |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 935 | char *str; |
| 936 | char *filename; |
| 937 | int start; |
| 938 | { |
| 939 | node *n; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 940 | PyCodeObject *co; |
| 941 | n = PyParser_SimpleParseString(str, start); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 942 | if (n == NULL) |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 943 | return NULL; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 944 | co = PyNode_Compile(n, filename); |
| 945 | PyNode_Free(n); |
| 946 | return (PyObject *)co; |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 947 | } |
| 948 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 949 | /* Simplified interface to parsefile -- return node or set exception */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 950 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 951 | node * |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 952 | PyParser_SimpleParseFile(fp, filename, start) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 953 | FILE *fp; |
| 954 | char *filename; |
| 955 | int start; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 956 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 957 | node *n; |
| 958 | perrdetail err; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 959 | n = PyParser_ParseFile(fp, filename, &_PyParser_Grammar, start, |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 960 | (char *)0, (char *)0, &err); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 961 | if (n == NULL) |
| 962 | err_input(&err); |
| 963 | return n; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 964 | } |
| 965 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 966 | /* Simplified interface to parsestring -- return node or set exception */ |
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 * |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 969 | PyParser_SimpleParseString(str, start) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 970 | char *str; |
| 971 | int start; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 972 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 973 | node *n; |
| 974 | perrdetail err; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 975 | n = PyParser_ParseString(str, &_PyParser_Grammar, start, &err); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 976 | if (n == NULL) |
| 977 | err_input(&err); |
| 978 | return n; |
| 979 | } |
| 980 | |
| 981 | /* Set the error appropriate to the given input error code (see errcode.h) */ |
| 982 | |
| 983 | static void |
| 984 | err_input(err) |
| 985 | perrdetail *err; |
| 986 | { |
Fred Drake | 85f3639 | 2000-07-11 17:53:00 +0000 | [diff] [blame^] | 987 | PyObject *v, *w, *errtype; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 988 | char *msg = NULL; |
Fred Drake | 85f3639 | 2000-07-11 17:53:00 +0000 | [diff] [blame^] | 989 | errtype = PyExc_SyntaxError; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 990 | v = Py_BuildValue("(ziiz)", err->filename, |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 991 | err->lineno, err->offset, err->text); |
| 992 | if (err->text != NULL) { |
Guido van Rossum | b18618d | 2000-05-03 23:44:39 +0000 | [diff] [blame] | 993 | PyMem_DEL(err->text); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 994 | err->text = NULL; |
| 995 | } |
| 996 | switch (err->error) { |
| 997 | case E_SYNTAX: |
Fred Drake | 85f3639 | 2000-07-11 17:53:00 +0000 | [diff] [blame^] | 998 | errtype = PyExc_IndentationError; |
| 999 | if (err->expected == INDENT) |
| 1000 | msg = "expected an indented block"; |
| 1001 | else if (err->token == INDENT) |
| 1002 | msg = "unexpected indent"; |
| 1003 | else if (err->token == DEDENT) |
| 1004 | msg = "unexpected unindent"; |
| 1005 | else { |
| 1006 | errtype = PyExc_SyntaxError; |
| 1007 | msg = "invalid syntax"; |
| 1008 | } |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1009 | break; |
| 1010 | case E_TOKEN: |
| 1011 | msg = "invalid token"; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1012 | break; |
| 1013 | case E_INTR: |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1014 | PyErr_SetNone(PyExc_KeyboardInterrupt); |
Barry Warsaw | c80baa3 | 1999-01-27 16:39:40 +0000 | [diff] [blame] | 1015 | Py_XDECREF(v); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1016 | return; |
| 1017 | case E_NOMEM: |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1018 | PyErr_NoMemory(); |
Barry Warsaw | c80baa3 | 1999-01-27 16:39:40 +0000 | [diff] [blame] | 1019 | Py_XDECREF(v); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1020 | return; |
| 1021 | case E_EOF: |
| 1022 | msg = "unexpected EOF while parsing"; |
| 1023 | break; |
Fred Drake | 85f3639 | 2000-07-11 17:53:00 +0000 | [diff] [blame^] | 1024 | case E_TABSPACE: |
| 1025 | errtype = PyExc_TabError; |
Guido van Rossum | 560e8ad | 1998-04-10 19:43:42 +0000 | [diff] [blame] | 1026 | msg = "inconsistent use of tabs and spaces in indentation"; |
| 1027 | break; |
Jeremy Hylton | 9498806 | 2000-06-20 19:10:44 +0000 | [diff] [blame] | 1028 | case E_OVERFLOW: |
| 1029 | msg = "expression too long"; |
| 1030 | break; |
Fred Drake | 85f3639 | 2000-07-11 17:53:00 +0000 | [diff] [blame^] | 1031 | case E_DEDENT: |
| 1032 | errtype = PyExc_IndentationError; |
| 1033 | msg = "unindent does not match any outer indentation level"; |
| 1034 | break; |
| 1035 | case E_TOODEEP: |
| 1036 | errtype = PyExc_IndentationError; |
| 1037 | msg = "too many levels of indentation"; |
| 1038 | break; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1039 | default: |
| 1040 | fprintf(stderr, "error=%d\n", err->error); |
| 1041 | msg = "unknown parsing error"; |
| 1042 | break; |
| 1043 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1044 | w = Py_BuildValue("(sO)", msg, v); |
| 1045 | Py_XDECREF(v); |
Fred Drake | 85f3639 | 2000-07-11 17:53:00 +0000 | [diff] [blame^] | 1046 | PyErr_SetObject(errtype, w); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1047 | Py_XDECREF(w); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1048 | } |
| 1049 | |
| 1050 | /* Print fatal error message and abort */ |
| 1051 | |
| 1052 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1053 | Py_FatalError(msg) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1054 | char *msg; |
| 1055 | { |
Guido van Rossum | 83dd6c3 | 1994-09-29 09:38:33 +0000 | [diff] [blame] | 1056 | fprintf(stderr, "Fatal Python error: %s\n", msg); |
Guido van Rossum | 8ae87c0 | 1995-01-26 00:40:38 +0000 | [diff] [blame] | 1057 | #ifdef macintosh |
| 1058 | for (;;); |
| 1059 | #endif |
Guido van Rossum | 9b38a14 | 1996-09-11 23:12:24 +0000 | [diff] [blame] | 1060 | #ifdef MS_WIN32 |
Guido van Rossum | 23c9446 | 1997-05-22 20:21:30 +0000 | [diff] [blame] | 1061 | OutputDebugString("Fatal Python error: "); |
Guido van Rossum | a44823b | 1995-03-14 15:01:17 +0000 | [diff] [blame] | 1062 | OutputDebugString(msg); |
| 1063 | OutputDebugString("\n"); |
Guido van Rossum | 0ba3536 | 1998-08-13 13:33:16 +0000 | [diff] [blame] | 1064 | #ifdef _DEBUG |
| 1065 | DebugBreak(); |
Guido van Rossum | a44823b | 1995-03-14 15:01:17 +0000 | [diff] [blame] | 1066 | #endif |
Guido van Rossum | 0ba3536 | 1998-08-13 13:33:16 +0000 | [diff] [blame] | 1067 | #endif /* MS_WIN32 */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1068 | abort(); |
| 1069 | } |
| 1070 | |
| 1071 | /* Clean up and exit */ |
| 1072 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1073 | #ifdef WITH_THREAD |
Guido van Rossum | 49b5606 | 1998-10-01 20:42:43 +0000 | [diff] [blame] | 1074 | #include "pythread.h" |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1075 | int _PyThread_Started = 0; /* Set by threadmodule.c and maybe others */ |
Guido van Rossum | f9f2e82 | 1992-08-17 08:59:08 +0000 | [diff] [blame] | 1076 | #endif |
| 1077 | |
Guido van Rossum | 2dcfc96 | 1998-10-01 16:01:57 +0000 | [diff] [blame] | 1078 | #define NEXITFUNCS 32 |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1079 | static void (*exitfuncs[NEXITFUNCS])(); |
| 1080 | static int nexitfuncs = 0; |
| 1081 | |
| 1082 | int Py_AtExit(func) |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 1083 | void (*func)(void); |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1084 | { |
| 1085 | if (nexitfuncs >= NEXITFUNCS) |
| 1086 | return -1; |
| 1087 | exitfuncs[nexitfuncs++] = func; |
| 1088 | return 0; |
| 1089 | } |
| 1090 | |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1091 | static void |
| 1092 | call_sys_exitfunc() |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1093 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1094 | PyObject *exitfunc = PySys_GetObject("exitfunc"); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1095 | |
| 1096 | if (exitfunc) { |
Guido van Rossum | bf02fb2 | 1998-04-03 21:12:12 +0000 | [diff] [blame] | 1097 | PyObject *res, *f; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1098 | Py_INCREF(exitfunc); |
| 1099 | PySys_SetObject("exitfunc", (PyObject *)NULL); |
Guido van Rossum | bf02fb2 | 1998-04-03 21:12:12 +0000 | [diff] [blame] | 1100 | f = PySys_GetObject("stderr"); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1101 | res = PyEval_CallObject(exitfunc, (PyObject *)NULL); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1102 | if (res == NULL) { |
Guido van Rossum | bf02fb2 | 1998-04-03 21:12:12 +0000 | [diff] [blame] | 1103 | if (f) |
| 1104 | PyFile_WriteString("Error in sys.exitfunc:\n", f); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1105 | PyErr_Print(); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1106 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1107 | Py_DECREF(exitfunc); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1108 | } |
| 1109 | |
Guido van Rossum | 0829c75 | 1998-02-28 04:31:39 +0000 | [diff] [blame] | 1110 | if (Py_FlushLine()) |
| 1111 | PyErr_Clear(); |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1112 | } |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1113 | |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1114 | static void |
| 1115 | call_ll_exitfuncs() |
| 1116 | { |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 1117 | while (nexitfuncs > 0) |
| 1118 | (*exitfuncs[--nexitfuncs])(); |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 1119 | |
| 1120 | fflush(stdout); |
| 1121 | fflush(stderr); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1122 | } |
| 1123 | |
| 1124 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1125 | Py_Exit(sts) |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1126 | int sts; |
| 1127 | { |
Guido van Rossum | cc283f5 | 1997-08-05 02:22:03 +0000 | [diff] [blame] | 1128 | Py_Finalize(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1129 | |
Jack Jansen | 66a8977 | 1995-10-27 13:22:14 +0000 | [diff] [blame] | 1130 | #ifdef macintosh |
| 1131 | PyMac_Exit(sts); |
| 1132 | #else |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1133 | exit(sts); |
Jack Jansen | 66a8977 | 1995-10-27 13:22:14 +0000 | [diff] [blame] | 1134 | #endif |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1135 | } |
| 1136 | |
Guido van Rossum | f1dc566 | 1993-07-05 10:31:29 +0000 | [diff] [blame] | 1137 | static void |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1138 | initsigs() |
| 1139 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1140 | #ifdef HAVE_SIGNAL_H |
| 1141 | #ifdef SIGPIPE |
| 1142 | signal(SIGPIPE, SIG_IGN); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1143 | #endif |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1144 | #endif /* HAVE_SIGNAL_H */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1145 | PyOS_InitInterrupts(); /* May imply initsignal() */ |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1146 | } |
| 1147 | |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 1148 | #ifdef Py_TRACE_REFS |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1149 | /* Ask a yes/no question */ |
| 1150 | |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 1151 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 1152 | _Py_AskYesNo(prompt) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1153 | char *prompt; |
| 1154 | { |
| 1155 | char buf[256]; |
| 1156 | |
| 1157 | printf("%s [ny] ", prompt); |
| 1158 | if (fgets(buf, sizeof buf, stdin) == NULL) |
| 1159 | return 0; |
| 1160 | return buf[0] == 'y' || buf[0] == 'Y'; |
| 1161 | } |
| 1162 | #endif |
| 1163 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 1164 | #ifdef MPW |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 1165 | |
| 1166 | /* Check for file descriptor connected to interactive device. |
| 1167 | Pretend that stdin is always interactive, other files never. */ |
| 1168 | |
| 1169 | int |
| 1170 | isatty(fd) |
| 1171 | int fd; |
| 1172 | { |
| 1173 | return fd == fileno(stdin); |
| 1174 | } |
| 1175 | |
| 1176 | #endif |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 1177 | |
| 1178 | /* |
| 1179 | * The file descriptor fd is considered ``interactive'' if either |
| 1180 | * a) isatty(fd) is TRUE, or |
| 1181 | * b) the -i flag was given, and the filename associated with |
| 1182 | * the descriptor is NULL or "<stdin>" or "???". |
| 1183 | */ |
| 1184 | int |
| 1185 | Py_FdIsInteractive(fp, filename) |
| 1186 | FILE *fp; |
| 1187 | char *filename; |
| 1188 | { |
| 1189 | if (isatty((int)fileno(fp))) |
| 1190 | return 1; |
| 1191 | if (!Py_InteractiveFlag) |
| 1192 | return 0; |
| 1193 | return (filename == NULL) || |
| 1194 | (strcmp(filename, "<stdin>") == 0) || |
| 1195 | (strcmp(filename, "???") == 0); |
| 1196 | } |