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 | |
Serhiy Storchaka | 5106ad1 | 2017-02-04 12:13:20 +0200 | [diff] [blame] | 7 | #include "clinic/symtablemodule.c.h" |
| 8 | /*[clinic input] |
| 9 | module _symtable |
| 10 | [clinic start generated code]*/ |
| 11 | /*[clinic end generated code: output=da39a3ee5e6b4b0d input=f4685845a7100605]*/ |
| 12 | |
| 13 | |
| 14 | /*[clinic input] |
| 15 | _symtable.symtable |
| 16 | |
| 17 | str: str |
| 18 | filename: object(converter='PyUnicode_FSDecoder') |
| 19 | startstr: str |
| 20 | / |
| 21 | |
| 22 | Return symbol and scope dictionaries used internally by compiler. |
| 23 | [clinic start generated code]*/ |
| 24 | |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 25 | static PyObject * |
Serhiy Storchaka | 5106ad1 | 2017-02-04 12:13:20 +0200 | [diff] [blame] | 26 | _symtable_symtable_impl(PyObject *module, const char *str, |
| 27 | PyObject *filename, const char *startstr) |
| 28 | /*[clinic end generated code: output=914b369c9b785956 input=6c615e84d5f408e3]*/ |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 29 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 30 | struct symtable *st; |
| 31 | PyObject *t; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 32 | int start; |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 33 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 34 | if (strcmp(startstr, "exec") == 0) |
| 35 | start = Py_file_input; |
| 36 | else if (strcmp(startstr, "eval") == 0) |
| 37 | start = Py_eval_input; |
| 38 | else if (strcmp(startstr, "single") == 0) |
| 39 | start = Py_single_input; |
| 40 | else { |
| 41 | PyErr_SetString(PyExc_ValueError, |
| 42 | "symtable() arg 3 must be 'exec' or 'eval' or 'single'"); |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 43 | Py_DECREF(filename); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 44 | return NULL; |
| 45 | } |
Victor Stinner | 14e461d | 2013-08-26 22:28:21 +0200 | [diff] [blame] | 46 | st = Py_SymtableStringObject(str, filename, start); |
| 47 | Py_DECREF(filename); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 48 | if (st == NULL) |
| 49 | return NULL; |
Benjamin Peterson | 89d8cd9 | 2013-10-26 13:13:51 -0400 | [diff] [blame] | 50 | t = (PyObject *)st->st_top; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 51 | Py_INCREF(t); |
| 52 | PyMem_Free((void *)st->st_future); |
| 53 | PySymtable_Free(st); |
| 54 | return t; |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 55 | } |
| 56 | |
| 57 | static PyMethodDef symtable_methods[] = { |
Serhiy Storchaka | 5106ad1 | 2017-02-04 12:13:20 +0200 | [diff] [blame] | 58 | _SYMTABLE_SYMTABLE_METHODDEF |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 59 | {NULL, NULL} /* sentinel */ |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 60 | }; |
| 61 | |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 62 | static struct PyModuleDef symtablemodule = { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 63 | PyModuleDef_HEAD_INIT, |
| 64 | "_symtable", |
| 65 | NULL, |
| 66 | -1, |
| 67 | symtable_methods, |
| 68 | NULL, |
| 69 | NULL, |
| 70 | NULL, |
| 71 | NULL |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 72 | }; |
| 73 | |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 74 | PyMODINIT_FUNC |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 75 | PyInit__symtable(void) |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 76 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 77 | PyObject *m; |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 78 | |
Benjamin Peterson | c431128 | 2012-10-30 23:21:10 -0400 | [diff] [blame] | 79 | if (PyType_Ready(&PySTEntry_Type) < 0) |
| 80 | return NULL; |
| 81 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 82 | m = PyModule_Create(&symtablemodule); |
| 83 | if (m == NULL) |
| 84 | return NULL; |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 85 | PyModule_AddIntMacro(m, USE); |
| 86 | PyModule_AddIntMacro(m, DEF_GLOBAL); |
| 87 | PyModule_AddIntMacro(m, DEF_LOCAL); |
| 88 | PyModule_AddIntMacro(m, DEF_PARAM); |
| 89 | PyModule_AddIntMacro(m, DEF_FREE); |
| 90 | PyModule_AddIntMacro(m, DEF_FREE_CLASS); |
| 91 | PyModule_AddIntMacro(m, DEF_IMPORT); |
| 92 | PyModule_AddIntMacro(m, DEF_BOUND); |
Yury Selivanov | f8cb8a1 | 2016-09-08 20:50:03 -0700 | [diff] [blame] | 93 | PyModule_AddIntMacro(m, DEF_ANNOT); |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 94 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 95 | PyModule_AddIntConstant(m, "TYPE_FUNCTION", FunctionBlock); |
| 96 | PyModule_AddIntConstant(m, "TYPE_CLASS", ClassBlock); |
| 97 | PyModule_AddIntConstant(m, "TYPE_MODULE", ModuleBlock); |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 98 | |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 99 | PyModule_AddIntMacro(m, LOCAL); |
| 100 | PyModule_AddIntMacro(m, GLOBAL_EXPLICIT); |
| 101 | PyModule_AddIntMacro(m, GLOBAL_IMPLICIT); |
| 102 | PyModule_AddIntMacro(m, FREE); |
| 103 | PyModule_AddIntMacro(m, CELL); |
Benjamin Peterson | 55e00f2 | 2008-08-17 18:02:44 +0000 | [diff] [blame] | 104 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 105 | PyModule_AddIntConstant(m, "SCOPE_OFF", SCOPE_OFFSET); |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 106 | PyModule_AddIntMacro(m, SCOPE_MASK); |
Benjamin Peterson | 55e00f2 | 2008-08-17 18:02:44 +0000 | [diff] [blame] | 107 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 108 | if (PyErr_Occurred()) { |
| 109 | Py_DECREF(m); |
| 110 | m = 0; |
| 111 | } |
| 112 | return m; |
Jeremy Hylton | 5e7cb24 | 2001-02-02 18:24:26 +0000 | [diff] [blame] | 113 | } |