AppPkg/Applications/Python/Python-2.7.10/Modules/symtablemodule.c

   1 #include "Python.h"
   2
   3 #include "code.h"
   4 #include "compile.h"
   5 #include "Python-ast.h"
   6 #include "symtable.h"
   7
   8 static PyObject *
   9 symtable_symtable(PyObject *self, PyObject *args)
  10 {
  11     struct symtable *st;
  12     PyObject *t;
  13
  14     char *str;
  15     char *filename;
  16     char *startstr;
  17     int start;
  18
  19     if (!PyArg_ParseTuple(args, "sss:symtable", &str, &filename,
  20                           &startstr))
  21         return NULL;
  22     if (strcmp(startstr, "exec") == 0)
  23         start = Py_file_input;
  24     else if (strcmp(startstr, "eval") == 0)
  25         start = Py_eval_input;
  26     else if (strcmp(startstr, "single") == 0)
  27         start = Py_single_input;
  28     else {
  29         PyErr_SetString(PyExc_ValueError,
  30            "symtable() arg 3 must be 'exec' or 'eval' or 'single'");
  31         return NULL;
  32     }
  33     st = Py_SymtableString(str, filename, start);
  34     if (st == NULL)
  35         return NULL;
  36     t = (PyObject *)st->st_top;
  37     Py_INCREF(t);
  38     PyMem_Free((void *)st->st_future);
  39     PySymtable_Free(st);
  40     return t;
  41 }
  42
  43 static PyMethodDef symtable_methods[] = {
  44     {"symtable",        symtable_symtable,      METH_VARARGS,
  45      PyDoc_STR("Return symbol and scope dictionaries"
  46                " used internally by compiler.")},
  47     {NULL,              NULL}           /* sentinel */
  48 };
  49
  50 PyMODINIT_FUNC
  51 init_symtable(void)
  52 {
  53     PyObject *m;
  54
  55     if (PyType_Ready(&PySTEntry_Type) < 0)
  56         return;
  57
  58     m = Py_InitModule("_symtable", symtable_methods);
  59     if (m == NULL)
  60         return;
  61     PyModule_AddIntConstant(m, "USE", USE);
  62     PyModule_AddIntConstant(m, "DEF_GLOBAL", DEF_GLOBAL);
  63     PyModule_AddIntConstant(m, "DEF_LOCAL", DEF_LOCAL);
  64     PyModule_AddIntConstant(m, "DEF_PARAM", DEF_PARAM);
  65     PyModule_AddIntConstant(m, "DEF_FREE", DEF_FREE);
  66     PyModule_AddIntConstant(m, "DEF_FREE_CLASS", DEF_FREE_CLASS);
  67     PyModule_AddIntConstant(m, "DEF_IMPORT", DEF_IMPORT);
  68     PyModule_AddIntConstant(m, "DEF_BOUND", DEF_BOUND);
  69
  70     PyModule_AddIntConstant(m, "TYPE_FUNCTION", FunctionBlock);
  71     PyModule_AddIntConstant(m, "TYPE_CLASS", ClassBlock);
  72     PyModule_AddIntConstant(m, "TYPE_MODULE", ModuleBlock);
  73
  74     PyModule_AddIntConstant(m, "OPT_IMPORT_STAR", OPT_IMPORT_STAR);
  75     PyModule_AddIntConstant(m, "OPT_EXEC", OPT_EXEC);
  76     PyModule_AddIntConstant(m, "OPT_BARE_EXEC", OPT_BARE_EXEC);
  77
  78     PyModule_AddIntConstant(m, "LOCAL", LOCAL);
  79     PyModule_AddIntConstant(m, "GLOBAL_EXPLICIT", GLOBAL_EXPLICIT);
  80     PyModule_AddIntConstant(m, "GLOBAL_IMPLICIT", GLOBAL_IMPLICIT);
  81     PyModule_AddIntConstant(m, "FREE", FREE);
  82     PyModule_AddIntConstant(m, "CELL", CELL);
  83
  84     PyModule_AddIntConstant(m, "SCOPE_OFF", SCOPE_OFF);
  85     PyModule_AddIntConstant(m, "SCOPE_MASK", SCOPE_MASK);
  86 }