Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 1 | #include "Python.h" |
| 2 | |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 3 | #include "code.h" |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 4 | #include "Python-ast.h" |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 5 | #include "symtable.h" |
| 6 | |
| 7 | static PyObject * |
| 8 | symtable_symtable(PyObject *self, PyObject *args) |
| 9 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 10 | struct symtable *st; |
| 11 | PyObject *t; |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 12 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 13 | char *str; |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 14 | PyObject *filename; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 15 | char *startstr; |
| 16 | int start; |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 17 | |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 18 | if (!PyArg_ParseTuple(args, "sO&s:symtable", |
| 19 | &str, PyUnicode_FSDecoder, &filename, &startstr)) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 20 | return NULL; |
| 21 | if (strcmp(startstr, "exec") == 0) |
| 22 | start = Py_file_input; |
| 23 | else if (strcmp(startstr, "eval") == 0) |
| 24 | start = Py_eval_input; |
| 25 | else if (strcmp(startstr, "single") == 0) |
| 26 | start = Py_single_input; |
| 27 | else { |
| 28 | PyErr_SetString(PyExc_ValueError, |
| 29 | "symtable() arg 3 must be 'exec' or 'eval' or 'single'"); |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 30 | Py_DECREF(filename); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 31 | return NULL; |
| 32 | } |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 33 | st = Py_SymtableStringObject(str, filename, start); |
| 34 | Py_DECREF(filename); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 35 | if (st == NULL) |
| 36 | return NULL; |
Benjamin Peterson | 89d8cd9 | 2013-10-26 13:13:51 -0400 | [diff] [blame] | 37 | t = (PyObject *)st->st_top; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 38 | Py_INCREF(t); |
| 39 | PyMem_Free((void *)st->st_future); |
| 40 | PySymtable_Free(st); |
| 41 | return t; |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 42 | } |
| 43 | |
| 44 | static PyMethodDef symtable_methods[] = { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 45 | {"symtable", symtable_symtable, METH_VARARGS, |
| 46 | PyDoc_STR("Return symbol and scope dictionaries" |
| 47 | " used internally by compiler.")}, |
| 48 | {NULL, NULL} /* sentinel */ |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 49 | }; |
| 50 | |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 51 | static struct PyModuleDef symtablemodule = { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 52 | PyModuleDef_HEAD_INIT, |
| 53 | "_symtable", |
| 54 | NULL, |
| 55 | -1, |
| 56 | symtable_methods, |
| 57 | NULL, |
| 58 | NULL, |
| 59 | NULL, |
| 60 | NULL |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 61 | }; |
| 62 | |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 63 | PyMODINIT_FUNC |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 64 | PyInit__symtable(void) |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 65 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 66 | PyObject *m; |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 67 | |
Benjamin Peterson | c431128 | 2012-10-30 23:21:10 -0400 | [diff] [blame] | 68 | if (PyType_Ready(&PySTEntry_Type) < 0) |
| 69 | return NULL; |
| 70 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 71 | m = PyModule_Create(&symtablemodule); |
| 72 | if (m == NULL) |
| 73 | return NULL; |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 74 | PyModule_AddIntMacro(m, USE); |
| 75 | PyModule_AddIntMacro(m, DEF_GLOBAL); |
| 76 | PyModule_AddIntMacro(m, DEF_LOCAL); |
| 77 | PyModule_AddIntMacro(m, DEF_PARAM); |
| 78 | PyModule_AddIntMacro(m, DEF_FREE); |
| 79 | PyModule_AddIntMacro(m, DEF_FREE_CLASS); |
| 80 | PyModule_AddIntMacro(m, DEF_IMPORT); |
| 81 | PyModule_AddIntMacro(m, DEF_BOUND); |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 82 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 83 | PyModule_AddIntConstant(m, "TYPE_FUNCTION", FunctionBlock); |
| 84 | PyModule_AddIntConstant(m, "TYPE_CLASS", ClassBlock); |
| 85 | PyModule_AddIntConstant(m, "TYPE_MODULE", ModuleBlock); |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 86 | |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 87 | PyModule_AddIntMacro(m, OPT_IMPORT_STAR); |
| 88 | PyModule_AddIntMacro(m, OPT_TOPLEVEL); |
Jeremy Hylton | 4345476 | 2001-04-16 18:42:13 +0000 | [diff] [blame] | 89 | |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 90 | PyModule_AddIntMacro(m, LOCAL); |
| 91 | PyModule_AddIntMacro(m, GLOBAL_EXPLICIT); |
| 92 | PyModule_AddIntMacro(m, GLOBAL_IMPLICIT); |
| 93 | PyModule_AddIntMacro(m, FREE); |
| 94 | PyModule_AddIntMacro(m, CELL); |
Benjamin Peterson | 55e00f2 | 2008-08-17 18:02:44 +0000 | [diff] [blame] | 95 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 96 | PyModule_AddIntConstant(m, "SCOPE_OFF", SCOPE_OFFSET); |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 97 | PyModule_AddIntMacro(m, SCOPE_MASK); |
Benjamin Peterson | 55e00f2 | 2008-08-17 18:02:44 +0000 | [diff] [blame] | 98 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 99 | if (PyErr_Occurred()) { |
| 100 | Py_DECREF(m); |
| 101 | m = 0; |
| 102 | } |
| 103 | return m; |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 104 | } |