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" |
| 39 | #include "graminit.h" |
Guido van Rossum | befa14f | 1995-09-18 21:42:42 +0000 | [diff] [blame] | 40 | #undef argument /* Avoid conflict on Mac */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 41 | #include "errcode.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 42 | #include "compile.h" |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 43 | #include "eval.h" |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 44 | #include "marshal.h" |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 45 | |
Guido van Rossum | 80bb965 | 1996-12-05 23:27:02 +0000 | [diff] [blame] | 46 | #ifdef HAVE_UNISTD_H |
| 47 | #include <unistd.h> |
| 48 | #endif |
| 49 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 50 | #ifdef HAVE_SIGNAL_H |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 51 | #include <signal.h> |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 52 | #endif |
| 53 | |
Guido van Rossum | 9b38a14 | 1996-09-11 23:12:24 +0000 | [diff] [blame] | 54 | #ifdef MS_WIN32 |
Guido van Rossum | a44823b | 1995-03-14 15:01:17 +0000 | [diff] [blame] | 55 | #undef BYTE |
Guido van Rossum | 4f1c59b | 1996-04-09 02:37:03 +0000 | [diff] [blame] | 56 | #undef arglist |
Guido van Rossum | a44823b | 1995-03-14 15:01:17 +0000 | [diff] [blame] | 57 | #include "windows.h" |
| 58 | #endif |
| 59 | |
Guido van Rossum | 478e718 | 1997-05-06 15:24:59 +0000 | [diff] [blame] | 60 | #ifdef HAVE_GETPID |
| 61 | #ifndef MS_WINDOWS |
| 62 | #define HAVE_KILL |
| 63 | #endif |
| 64 | #endif |
| 65 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 66 | extern char *Py_GetPath(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 67 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 68 | extern grammar _PyParser_Grammar; /* From graminit.c */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 69 | |
Guido van Rossum | b73cc04 | 1993-11-01 16:28:59 +0000 | [diff] [blame] | 70 | /* Forward */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 71 | static void initmain Py_PROTO((void)); |
| 72 | static PyObject *run_err_node Py_PROTO((node *n, char *filename, |
| 73 | PyObject *globals, PyObject *locals)); |
| 74 | static PyObject *run_node Py_PROTO((node *n, char *filename, |
| 75 | PyObject *globals, PyObject *locals)); |
| 76 | static PyObject *run_pyc_file Py_PROTO((FILE *fp, char *filename, |
| 77 | PyObject *globals, PyObject *locals)); |
| 78 | static void err_input Py_PROTO((perrdetail *)); |
| 79 | static void initsigs Py_PROTO((void)); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 80 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 81 | int Py_DebugFlag; /* Needed by parser.c */ |
| 82 | int Py_VerboseFlag; /* Needed by import.c */ |
| 83 | int Py_SuppressPrintingFlag; /* Needed by ceval.c */ |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 84 | int Py_InteractiveFlag; /* Needed by Py_FdIsInteractive() below */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 85 | |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 86 | /* Initialize the current interpreter; pass in the Python path. */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 87 | |
| 88 | void |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 89 | Py_Setup() |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 90 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 91 | PyImport_Init(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 92 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 93 | /* Modules '__builtin__' and 'sys' are initialized here, |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 94 | they are needed by random bits of the interpreter. |
| 95 | All other modules are optional and are initialized |
| 96 | when they are first imported. */ |
| 97 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 98 | PyBuiltin_Init(); /* Also initializes builtin exceptions */ |
| 99 | PySys_Init(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 100 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 101 | PySys_SetPath(Py_GetPath()); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 102 | |
| 103 | initsigs(); /* Signal handling stuff, including initintr() */ |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 104 | |
| 105 | initmain(); |
| 106 | } |
| 107 | |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 108 | /* Create and interpreter and thread state and initialize them; |
| 109 | if we already have an interpreter and thread, do nothing. |
| 110 | Fatal error if the creation fails. */ |
| 111 | |
| 112 | void |
| 113 | Py_Initialize() |
| 114 | { |
| 115 | PyThreadState *tstate; |
| 116 | PyInterpreterState *interp; |
| 117 | if (PyThreadState_Get()) |
| 118 | return; |
| 119 | interp = PyInterpreterState_New(); |
| 120 | if (interp == NULL) |
| 121 | Py_FatalError("PyInterpreterState_New() failed"); |
| 122 | tstate = PyThreadState_New(interp); |
| 123 | if (tstate == NULL) |
| 124 | Py_FatalError("PyThreadState_New() failed"); |
| 125 | (void) PyThreadState_Swap(tstate); |
| 126 | |
| 127 | Py_Setup(); |
| 128 | |
| 129 | PySys_SetPath(Py_GetPath()); |
| 130 | } |
| 131 | |
| 132 | /* |
| 133 | Py_Initialize() |
| 134 | -- do everything, no-op on second call, call fatal on failure, set path |
| 135 | |
| 136 | #2 |
| 137 | -- create new interp+tstate & make it current, return NULL on failure, |
| 138 | make it current, do all setup, set path |
| 139 | |
| 140 | #3 |
| 141 | -- #2 without set path |
| 142 | |
| 143 | #4 |
| 144 | -- is there any point to #3 for caller-provided current interp+tstate? |
| 145 | |
| 146 | */ |
| 147 | |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 148 | /* Create __main__ module */ |
| 149 | |
| 150 | static void |
| 151 | initmain() |
| 152 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 153 | PyObject *m, *d; |
| 154 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 155 | if (m == NULL) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 156 | Py_FatalError("can't create __main__ module"); |
| 157 | d = PyModule_GetDict(m); |
| 158 | if (PyDict_GetItemString(d, "__builtins__") == NULL) { |
| 159 | if (PyDict_SetItemString(d, "__builtins__", |
| 160 | PyEval_GetBuiltins())) |
| 161 | Py_FatalError("can't add __builtins__ to __main__"); |
Guido van Rossum | 6135a87 | 1995-01-09 17:53:26 +0000 | [diff] [blame] | 162 | } |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 163 | } |
| 164 | |
| 165 | /* Parse input from a file and execute it */ |
| 166 | |
| 167 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 168 | PyRun_AnyFile(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 169 | FILE *fp; |
| 170 | char *filename; |
| 171 | { |
| 172 | if (filename == NULL) |
| 173 | filename = "???"; |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 174 | if (Py_FdIsInteractive(fp, filename)) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 175 | return PyRun_InteractiveLoop(fp, filename); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 176 | else |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 177 | return PyRun_SimpleFile(fp, filename); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 178 | } |
| 179 | |
| 180 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 181 | PyRun_InteractiveLoop(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 182 | FILE *fp; |
| 183 | char *filename; |
| 184 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 185 | PyObject *v; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 186 | int ret; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 187 | v = PySys_GetObject("ps1"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 188 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 189 | PySys_SetObject("ps1", v = PyString_FromString(">>> ")); |
| 190 | Py_XDECREF(v); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 191 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 192 | v = PySys_GetObject("ps2"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 193 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 194 | PySys_SetObject("ps2", v = PyString_FromString("... ")); |
| 195 | Py_XDECREF(v); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 196 | } |
| 197 | for (;;) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 198 | ret = PyRun_InteractiveOne(fp, filename); |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 199 | #ifdef Py_REF_DEBUG |
Guido van Rossum | 6f9e433 | 1995-03-29 16:57:48 +0000 | [diff] [blame] | 200 | fprintf(stderr, "[%ld refs]\n", _Py_RefTotal); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 201 | #endif |
| 202 | if (ret == E_EOF) |
| 203 | return 0; |
| 204 | /* |
| 205 | if (ret == E_NOMEM) |
| 206 | return -1; |
| 207 | */ |
| 208 | } |
| 209 | } |
| 210 | |
| 211 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 212 | PyRun_InteractiveOne(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 213 | FILE *fp; |
| 214 | char *filename; |
| 215 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 216 | PyObject *m, *d, *v, *w; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 217 | node *n; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 218 | perrdetail err; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 219 | char *ps1, *ps2; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 220 | v = PySys_GetObject("ps1"); |
| 221 | w = PySys_GetObject("ps2"); |
| 222 | if (v != NULL && PyString_Check(v)) { |
| 223 | Py_INCREF(v); |
| 224 | ps1 = PyString_AsString(v); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 225 | } |
| 226 | else { |
| 227 | v = NULL; |
| 228 | ps1 = ""; |
| 229 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 230 | if (w != NULL && PyString_Check(w)) { |
| 231 | Py_INCREF(w); |
| 232 | ps2 = PyString_AsString(w); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 233 | } |
| 234 | else { |
| 235 | w = NULL; |
| 236 | ps2 = ""; |
| 237 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 238 | Py_BEGIN_ALLOW_THREADS |
| 239 | n = PyParser_ParseFile(fp, filename, &_PyParser_Grammar, |
| 240 | single_input, ps1, ps2, &err); |
| 241 | Py_END_ALLOW_THREADS |
| 242 | Py_XDECREF(v); |
| 243 | Py_XDECREF(w); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 244 | if (n == NULL) { |
| 245 | if (err.error == E_EOF) { |
| 246 | if (err.text) |
| 247 | free(err.text); |
| 248 | return E_EOF; |
| 249 | } |
| 250 | err_input(&err); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 251 | PyErr_Print(); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 252 | return err.error; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 253 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 254 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 255 | if (m == NULL) |
| 256 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 257 | d = PyModule_GetDict(m); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 258 | v = run_node(n, filename, d, d); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 259 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 260 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 261 | return -1; |
| 262 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 263 | Py_DECREF(v); |
| 264 | Py_FlushLine(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 265 | return 0; |
| 266 | } |
| 267 | |
| 268 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 269 | PyRun_SimpleFile(fp, filename) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 270 | FILE *fp; |
| 271 | char *filename; |
| 272 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 273 | PyObject *m, *d, *v; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 274 | char *ext; |
| 275 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 276 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 277 | if (m == NULL) |
| 278 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 279 | d = PyModule_GetDict(m); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 280 | ext = filename + strlen(filename) - 4; |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 281 | if (strcmp(ext, ".pyc") == 0 || strcmp(ext, ".pyo") == 0 |
Jack Jansen | bd06e96 | 1995-02-13 11:44:56 +0000 | [diff] [blame] | 282 | #ifdef macintosh |
| 283 | /* 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] | 284 | || getfiletype(filename) == 'PYC ' |
| 285 | || getfiletype(filename) == 'APPL' |
Jack Jansen | bd06e96 | 1995-02-13 11:44:56 +0000 | [diff] [blame] | 286 | #endif /* macintosh */ |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 287 | ) { |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 288 | /* Try to run a pyc file. First, re-open in binary */ |
Jack Jansen | e00637b | 1994-12-14 12:58:37 +0000 | [diff] [blame] | 289 | /* Don't close, done in main: fclose(fp); */ |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 290 | if( (fp = fopen(filename, "rb")) == NULL ) { |
| 291 | fprintf(stderr, "python: Can't reopen .pyc file\n"); |
| 292 | return -1; |
| 293 | } |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 294 | /* Turn on optimization if a .pyo file is given */ |
| 295 | if (strcmp(ext, ".pyo") == 0) |
| 296 | Py_OptimizeFlag = 1; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 297 | v = run_pyc_file(fp, filename, d, d); |
| 298 | } else { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 299 | v = PyRun_File(fp, filename, file_input, d, d); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 300 | } |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 301 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 302 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 303 | return -1; |
| 304 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 305 | Py_DECREF(v); |
| 306 | Py_FlushLine(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 307 | return 0; |
| 308 | } |
| 309 | |
| 310 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 311 | PyRun_SimpleString(command) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 312 | char *command; |
| 313 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 314 | PyObject *m, *d, *v; |
| 315 | m = PyImport_AddModule("__main__"); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 316 | if (m == NULL) |
| 317 | return -1; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 318 | d = PyModule_GetDict(m); |
| 319 | v = PyRun_String(command, file_input, d, d); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 320 | if (v == NULL) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 321 | PyErr_Print(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 322 | return -1; |
| 323 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 324 | Py_DECREF(v); |
| 325 | Py_FlushLine(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 326 | return 0; |
| 327 | } |
| 328 | |
| 329 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 330 | PyErr_Print() |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 331 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 332 | PyObject *exception, *v, *tb, *f; |
| 333 | PyErr_Fetch(&exception, &v, &tb); |
| 334 | Py_FlushLine(); |
Guido van Rossum | 527c264 | 1995-03-30 11:01:44 +0000 | [diff] [blame] | 335 | fflush(stdout); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 336 | if (exception == NULL) |
Guido van Rossum | 2a7f58d | 1997-04-02 05:28:38 +0000 | [diff] [blame] | 337 | Py_FatalError("PyErr_Print called but no exception"); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 338 | if (exception == PyExc_SystemExit) { |
| 339 | if (v == NULL || v == Py_None) |
| 340 | Py_Exit(0); |
| 341 | if (PyInt_Check(v)) |
| 342 | Py_Exit((int)PyInt_AsLong(v)); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 343 | else { |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 344 | /* OK to use real stderr here */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 345 | PyObject_Print(v, stderr, Py_PRINT_RAW); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 346 | fprintf(stderr, "\n"); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 347 | Py_Exit(1); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 348 | } |
| 349 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 350 | PySys_SetObject("last_type", exception); |
| 351 | PySys_SetObject("last_value", v); |
| 352 | PySys_SetObject("last_traceback", tb); |
| 353 | f = PySys_GetObject("stderr"); |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 354 | if (f == NULL) |
| 355 | fprintf(stderr, "lost sys.stderr\n"); |
| 356 | else { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 357 | PyTraceBack_Print(tb, f); |
| 358 | if (exception == PyExc_SyntaxError) { |
| 359 | PyObject *message; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 360 | char *filename, *text; |
| 361 | int lineno, offset; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 362 | if (!PyArg_Parse(v, "(O(ziiz))", &message, |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 363 | &filename, &lineno, &offset, &text)) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 364 | PyErr_Clear(); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 365 | else { |
| 366 | char buf[10]; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 367 | PyFile_WriteString(" File \"", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 368 | if (filename == NULL) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 369 | PyFile_WriteString("<string>", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 370 | else |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 371 | PyFile_WriteString(filename, f); |
| 372 | PyFile_WriteString("\", line ", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 373 | sprintf(buf, "%d", lineno); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 374 | PyFile_WriteString(buf, f); |
| 375 | PyFile_WriteString("\n", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 376 | if (text != NULL) { |
Guido van Rossum | 798199d | 1994-09-19 08:08:50 +0000 | [diff] [blame] | 377 | char *nl; |
| 378 | if (offset > 0 && |
Guido van Rossum | 478e718 | 1997-05-06 15:24:59 +0000 | [diff] [blame] | 379 | offset == (int)strlen(text)) |
Guido van Rossum | 798199d | 1994-09-19 08:08:50 +0000 | [diff] [blame] | 380 | offset--; |
| 381 | for (;;) { |
| 382 | nl = strchr(text, '\n'); |
| 383 | if (nl == NULL || |
| 384 | nl-text >= offset) |
| 385 | break; |
| 386 | offset -= (nl+1-text); |
| 387 | text = nl+1; |
| 388 | } |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 389 | while (*text == ' ' || *text == '\t') { |
| 390 | text++; |
| 391 | offset--; |
| 392 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 393 | PyFile_WriteString(" ", f); |
| 394 | PyFile_WriteString(text, f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 395 | if (*text == '\0' || |
| 396 | text[strlen(text)-1] != '\n') |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 397 | PyFile_WriteString("\n", f); |
| 398 | PyFile_WriteString(" ", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 399 | offset--; |
| 400 | while (offset > 0) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 401 | PyFile_WriteString(" ", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 402 | offset--; |
| 403 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 404 | PyFile_WriteString("^\n", f); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 405 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 406 | Py_INCREF(message); |
| 407 | Py_DECREF(v); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 408 | v = message; |
| 409 | } |
| 410 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 411 | if (PyClass_Check(exception)) { |
| 412 | PyObject* className = |
| 413 | ((PyClassObject*)exception)->cl_name; |
Guido van Rossum | 262e124 | 1995-02-07 15:30:45 +0000 | [diff] [blame] | 414 | if (className == NULL) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 415 | PyFile_WriteString("<unknown>", f); |
Guido van Rossum | 262e124 | 1995-02-07 15:30:45 +0000 | [diff] [blame] | 416 | else { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 417 | if (PyFile_WriteObject(className, f, |
| 418 | Py_PRINT_RAW) != 0) |
| 419 | PyErr_Clear(); |
Guido van Rossum | 262e124 | 1995-02-07 15:30:45 +0000 | [diff] [blame] | 420 | } |
| 421 | } else { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 422 | if (PyFile_WriteObject(exception, f, |
| 423 | Py_PRINT_RAW) != 0) |
| 424 | PyErr_Clear(); |
Guido van Rossum | 262e124 | 1995-02-07 15:30:45 +0000 | [diff] [blame] | 425 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 426 | if (v != NULL && v != Py_None) { |
| 427 | PyFile_WriteString(": ", f); |
| 428 | if (PyFile_WriteObject(v, f, Py_PRINT_RAW) != 0) |
| 429 | PyErr_Clear(); |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 430 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 431 | PyFile_WriteString("\n", f); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 432 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 433 | Py_XDECREF(exception); |
| 434 | Py_XDECREF(v); |
| 435 | Py_XDECREF(tb); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 436 | } |
| 437 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 438 | PyObject * |
| 439 | PyRun_String(str, start, globals, locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 440 | char *str; |
| 441 | int start; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 442 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 443 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 444 | return run_err_node(PyParser_SimpleParseString(str, start), |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 445 | "<string>", globals, locals); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 446 | } |
| 447 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 448 | PyObject * |
| 449 | PyRun_File(fp, filename, start, globals, locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 450 | FILE *fp; |
| 451 | char *filename; |
| 452 | int start; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 453 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 454 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 455 | return run_err_node(PyParser_SimpleParseFile(fp, filename, start), |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 456 | filename, globals, locals); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 457 | } |
| 458 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 459 | static PyObject * |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 460 | run_err_node(n, filename, globals, locals) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 461 | node *n; |
| 462 | char *filename; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 463 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 464 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 465 | if (n == NULL) |
| 466 | return NULL; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 467 | return run_node(n, filename, globals, locals); |
| 468 | } |
| 469 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 470 | static PyObject * |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 471 | run_node(n, filename, globals, locals) |
| 472 | node *n; |
| 473 | char *filename; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 474 | PyObject *globals, *locals; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 475 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 476 | PyCodeObject *co; |
| 477 | PyObject *v; |
| 478 | co = PyNode_Compile(n, filename); |
| 479 | PyNode_Free(n); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 480 | if (co == NULL) |
| 481 | return NULL; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 482 | v = PyEval_EvalCode(co, globals, locals); |
| 483 | Py_DECREF(co); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 484 | return v; |
| 485 | } |
| 486 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 487 | static PyObject * |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 488 | run_pyc_file(fp, filename, globals, locals) |
| 489 | FILE *fp; |
| 490 | char *filename; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 491 | PyObject *globals, *locals; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 492 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 493 | PyCodeObject *co; |
| 494 | PyObject *v; |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 495 | long magic; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 496 | long PyImport_GetMagicNumber(); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 497 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 498 | magic = PyMarshal_ReadLongFromFile(fp); |
| 499 | if (magic != PyImport_GetMagicNumber()) { |
| 500 | PyErr_SetString(PyExc_RuntimeError, |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 501 | "Bad magic number in .pyc file"); |
| 502 | return NULL; |
| 503 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 504 | (void) PyMarshal_ReadLongFromFile(fp); |
| 505 | v = PyMarshal_ReadObjectFromFile(fp); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 506 | fclose(fp); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 507 | if (v == NULL || !PyCode_Check(v)) { |
| 508 | Py_XDECREF(v); |
| 509 | PyErr_SetString(PyExc_RuntimeError, |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 510 | "Bad code object in .pyc file"); |
| 511 | return NULL; |
| 512 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 513 | co = (PyCodeObject *)v; |
| 514 | v = PyEval_EvalCode(co, globals, locals); |
| 515 | Py_DECREF(co); |
Guido van Rossum | fdef271 | 1994-09-14 13:31:04 +0000 | [diff] [blame] | 516 | return v; |
| 517 | } |
| 518 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 519 | PyObject * |
| 520 | Py_CompileString(str, filename, start) |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 521 | char *str; |
| 522 | char *filename; |
| 523 | int start; |
| 524 | { |
| 525 | node *n; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 526 | PyCodeObject *co; |
| 527 | n = PyParser_SimpleParseString(str, start); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 528 | if (n == NULL) |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 529 | return NULL; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 530 | co = PyNode_Compile(n, filename); |
| 531 | PyNode_Free(n); |
| 532 | return (PyObject *)co; |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 533 | } |
| 534 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 535 | /* Simplified interface to parsefile -- return node or set exception */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 536 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 537 | node * |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 538 | PyParser_SimpleParseFile(fp, filename, start) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 539 | FILE *fp; |
| 540 | char *filename; |
| 541 | int start; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 542 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 543 | node *n; |
| 544 | perrdetail err; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 545 | Py_BEGIN_ALLOW_THREADS |
| 546 | n = PyParser_ParseFile(fp, filename, &_PyParser_Grammar, start, |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 547 | (char *)0, (char *)0, &err); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 548 | Py_END_ALLOW_THREADS |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 549 | if (n == NULL) |
| 550 | err_input(&err); |
| 551 | return n; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 552 | } |
| 553 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 554 | /* Simplified interface to parsestring -- return node or set exception */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 555 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 556 | node * |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 557 | PyParser_SimpleParseString(str, start) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 558 | char *str; |
| 559 | int start; |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 560 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 561 | node *n; |
| 562 | perrdetail err; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 563 | n = PyParser_ParseString(str, &_PyParser_Grammar, start, &err); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 564 | if (n == NULL) |
| 565 | err_input(&err); |
| 566 | return n; |
| 567 | } |
| 568 | |
| 569 | /* Set the error appropriate to the given input error code (see errcode.h) */ |
| 570 | |
| 571 | static void |
| 572 | err_input(err) |
| 573 | perrdetail *err; |
| 574 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 575 | PyObject *v, *w; |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 576 | char *msg = NULL; |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 577 | v = Py_BuildValue("(ziiz)", err->filename, |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 578 | err->lineno, err->offset, err->text); |
| 579 | if (err->text != NULL) { |
| 580 | free(err->text); |
| 581 | err->text = NULL; |
| 582 | } |
| 583 | switch (err->error) { |
| 584 | case E_SYNTAX: |
| 585 | msg = "invalid syntax"; |
| 586 | break; |
| 587 | case E_TOKEN: |
| 588 | msg = "invalid token"; |
| 589 | |
| 590 | break; |
| 591 | case E_INTR: |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 592 | PyErr_SetNone(PyExc_KeyboardInterrupt); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 593 | return; |
| 594 | case E_NOMEM: |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 595 | PyErr_NoMemory(); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 596 | return; |
| 597 | case E_EOF: |
| 598 | msg = "unexpected EOF while parsing"; |
| 599 | break; |
| 600 | default: |
| 601 | fprintf(stderr, "error=%d\n", err->error); |
| 602 | msg = "unknown parsing error"; |
| 603 | break; |
| 604 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 605 | w = Py_BuildValue("(sO)", msg, v); |
| 606 | Py_XDECREF(v); |
| 607 | PyErr_SetObject(PyExc_SyntaxError, w); |
| 608 | Py_XDECREF(w); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 609 | } |
| 610 | |
| 611 | /* Print fatal error message and abort */ |
| 612 | |
| 613 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 614 | Py_FatalError(msg) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 615 | char *msg; |
| 616 | { |
Guido van Rossum | 83dd6c3 | 1994-09-29 09:38:33 +0000 | [diff] [blame] | 617 | fprintf(stderr, "Fatal Python error: %s\n", msg); |
Guido van Rossum | 8ae87c0 | 1995-01-26 00:40:38 +0000 | [diff] [blame] | 618 | #ifdef macintosh |
| 619 | for (;;); |
| 620 | #endif |
Guido van Rossum | 9b38a14 | 1996-09-11 23:12:24 +0000 | [diff] [blame] | 621 | #ifdef MS_WIN32 |
Guido van Rossum | a44823b | 1995-03-14 15:01:17 +0000 | [diff] [blame] | 622 | OutputDebugString("Fatal Python error:"); |
| 623 | OutputDebugString(msg); |
| 624 | OutputDebugString("\n"); |
| 625 | #endif |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 626 | abort(); |
| 627 | } |
| 628 | |
| 629 | /* Clean up and exit */ |
| 630 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 631 | #ifdef WITH_THREAD |
| 632 | #include "thread.h" |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 633 | int _PyThread_Started = 0; /* Set by threadmodule.c and maybe others */ |
Guido van Rossum | f9f2e82 | 1992-08-17 08:59:08 +0000 | [diff] [blame] | 634 | #endif |
| 635 | |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 636 | #define NEXITFUNCS 32 |
| 637 | static void (*exitfuncs[NEXITFUNCS])(); |
| 638 | static int nexitfuncs = 0; |
| 639 | |
| 640 | int Py_AtExit(func) |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 641 | void (*func) Py_PROTO((void)); |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 642 | { |
| 643 | if (nexitfuncs >= NEXITFUNCS) |
| 644 | return -1; |
| 645 | exitfuncs[nexitfuncs++] = func; |
| 646 | return 0; |
| 647 | } |
| 648 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 649 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 650 | Py_Cleanup() |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 651 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 652 | PyObject *exitfunc = PySys_GetObject("exitfunc"); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 653 | |
| 654 | if (exitfunc) { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 655 | PyObject *res; |
| 656 | Py_INCREF(exitfunc); |
| 657 | PySys_SetObject("exitfunc", (PyObject *)NULL); |
| 658 | res = PyEval_CallObject(exitfunc, (PyObject *)NULL); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 659 | if (res == NULL) { |
| 660 | fprintf(stderr, "Error in sys.exitfunc:\n"); |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 661 | PyErr_Print(); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 662 | } |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 663 | Py_DECREF(exitfunc); |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 664 | } |
| 665 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 666 | Py_FlushLine(); |
Guido van Rossum | 1662dd5 | 1994-09-07 14:38:28 +0000 | [diff] [blame] | 667 | |
| 668 | while (nexitfuncs > 0) |
| 669 | (*exitfuncs[--nexitfuncs])(); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 670 | } |
| 671 | |
Sjoerd Mullender | a9c3c22 | 1993-10-11 12:54:31 +0000 | [diff] [blame] | 672 | #ifdef COUNT_ALLOCS |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 673 | extern void dump_counts Py_PROTO((void)); |
Sjoerd Mullender | a9c3c22 | 1993-10-11 12:54:31 +0000 | [diff] [blame] | 674 | #endif |
| 675 | |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 676 | void |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 677 | Py_Exit(sts) |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 678 | int sts; |
| 679 | { |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 680 | Py_Cleanup(); |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 681 | |
Sjoerd Mullender | a9c3c22 | 1993-10-11 12:54:31 +0000 | [diff] [blame] | 682 | #ifdef COUNT_ALLOCS |
| 683 | dump_counts(); |
| 684 | #endif |
| 685 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 686 | #ifdef WITH_THREAD |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 687 | |
| 688 | /* Other threads may still be active, so skip most of the |
| 689 | cleanup actions usually done (these are mostly for |
| 690 | debugging anyway). */ |
| 691 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 692 | (void) PyEval_SaveThread(); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 693 | #ifndef NO_EXIT_PROG |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 694 | if (_PyThread_Started) |
Guido van Rossum | f9f2e82 | 1992-08-17 08:59:08 +0000 | [diff] [blame] | 695 | _exit_prog(sts); |
| 696 | else |
| 697 | exit_prog(sts); |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 698 | #else /* !NO_EXIT_PROG */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 699 | if (_PyThread_Started) |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 700 | _exit(sts); |
| 701 | else |
| 702 | exit(sts); |
| 703 | #endif /* !NO_EXIT_PROG */ |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 704 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 705 | #else /* WITH_THREAD */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 706 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 707 | PyImport_Cleanup(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 708 | |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 709 | PyErr_Clear(); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 710 | |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 711 | #ifdef Py_REF_DEBUG |
Guido van Rossum | 6f9e433 | 1995-03-29 16:57:48 +0000 | [diff] [blame] | 712 | fprintf(stderr, "[%ld refs]\n", _Py_RefTotal); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 713 | #endif |
| 714 | |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 715 | #ifdef Py_TRACE_REFS |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 716 | if (_Py_AskYesNo("Print left references?")) { |
Guido van Rossum | ded690f | 1996-05-24 20:48:31 +0000 | [diff] [blame] | 717 | _Py_PrintReferences(stderr); |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 718 | } |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 719 | #endif /* Py_TRACE_REFS */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 720 | |
Jack Jansen | 66a8977 | 1995-10-27 13:22:14 +0000 | [diff] [blame] | 721 | #ifdef macintosh |
| 722 | PyMac_Exit(sts); |
| 723 | #else |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 724 | exit(sts); |
Jack Jansen | 66a8977 | 1995-10-27 13:22:14 +0000 | [diff] [blame] | 725 | #endif |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 726 | #endif /* WITH_THREAD */ |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 727 | /*NOTREACHED*/ |
| 728 | } |
| 729 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 730 | #ifdef HAVE_SIGNAL_H |
| 731 | static RETSIGTYPE |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 732 | sighandler(sig) |
| 733 | int sig; |
| 734 | { |
| 735 | signal(sig, SIG_DFL); /* Don't catch recursive signals */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 736 | Py_Cleanup(); /* Do essential clean-up */ |
Guido van Rossum | 478e718 | 1997-05-06 15:24:59 +0000 | [diff] [blame] | 737 | #ifdef HAVE_KILL |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 738 | kill(getpid(), sig); /* Pretend the signal killed us */ |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 739 | #else |
| 740 | exit(1); |
| 741 | #endif |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 742 | /*NOTREACHED*/ |
| 743 | } |
| 744 | #endif |
| 745 | |
Guido van Rossum | f1dc566 | 1993-07-05 10:31:29 +0000 | [diff] [blame] | 746 | static void |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 747 | initsigs() |
| 748 | { |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 749 | RETSIGTYPE (*t)(); |
| 750 | #ifdef HAVE_SIGNAL_H |
| 751 | #ifdef SIGPIPE |
| 752 | signal(SIGPIPE, SIG_IGN); |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 753 | #endif |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 754 | #ifdef SIGHUP |
| 755 | t = signal(SIGHUP, SIG_IGN); |
| 756 | if (t == SIG_DFL) |
| 757 | signal(SIGHUP, sighandler); |
| 758 | else |
| 759 | signal(SIGHUP, t); |
| 760 | #endif |
| 761 | #ifdef SIGTERM |
| 762 | t = signal(SIGTERM, SIG_IGN); |
| 763 | if (t == SIG_DFL) |
| 764 | signal(SIGTERM, sighandler); |
| 765 | else |
| 766 | signal(SIGTERM, t); |
| 767 | #endif |
| 768 | #endif /* HAVE_SIGNAL_H */ |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 769 | PyOS_InitInterrupts(); /* May imply initsignal() */ |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 770 | } |
| 771 | |
Guido van Rossum | aae0d32 | 1996-05-22 16:35:33 +0000 | [diff] [blame] | 772 | #ifdef Py_TRACE_REFS |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 773 | /* Ask a yes/no question */ |
| 774 | |
Guido van Rossum | 59bff39 | 1992-09-03 20:28:00 +0000 | [diff] [blame] | 775 | int |
Guido van Rossum | 8259805 | 1997-03-05 00:20:32 +0000 | [diff] [blame] | 776 | _Py_AskYesNo(prompt) |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 777 | char *prompt; |
| 778 | { |
| 779 | char buf[256]; |
| 780 | |
| 781 | printf("%s [ny] ", prompt); |
| 782 | if (fgets(buf, sizeof buf, stdin) == NULL) |
| 783 | return 0; |
| 784 | return buf[0] == 'y' || buf[0] == 'Y'; |
| 785 | } |
| 786 | #endif |
| 787 | |
Guido van Rossum | a110aa6 | 1994-08-29 12:50:44 +0000 | [diff] [blame] | 788 | #ifdef MPW |
Guido van Rossum | 1984f1e | 1992-08-04 12:41:02 +0000 | [diff] [blame] | 789 | |
| 790 | /* Check for file descriptor connected to interactive device. |
| 791 | Pretend that stdin is always interactive, other files never. */ |
| 792 | |
| 793 | int |
| 794 | isatty(fd) |
| 795 | int fd; |
| 796 | { |
| 797 | return fd == fileno(stdin); |
| 798 | } |
| 799 | |
| 800 | #endif |
Guido van Rossum | 7433b12 | 1997-02-14 19:45:36 +0000 | [diff] [blame] | 801 | |
| 802 | /* |
| 803 | * The file descriptor fd is considered ``interactive'' if either |
| 804 | * a) isatty(fd) is TRUE, or |
| 805 | * b) the -i flag was given, and the filename associated with |
| 806 | * the descriptor is NULL or "<stdin>" or "???". |
| 807 | */ |
| 808 | int |
| 809 | Py_FdIsInteractive(fp, filename) |
| 810 | FILE *fp; |
| 811 | char *filename; |
| 812 | { |
| 813 | if (isatty((int)fileno(fp))) |
| 814 | return 1; |
| 815 | if (!Py_InteractiveFlag) |
| 816 | return 0; |
| 817 | return (filename == NULL) || |
| 818 | (strcmp(filename, "<stdin>") == 0) || |
| 819 | (strcmp(filename, "???") == 0); |
| 820 | } |