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