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Add minimal interface to symtable: _symtable module.

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Jeremy Hylton 2001-02-02 18:24:26 +00:00
parent 4b38da664c
commit 5e7cb240af
4 changed files with 82 additions and 0 deletions
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72
Modules/symtablemodule.c Normal file
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#include "Python.h"
#include "compile.h"
#include "symtable.h"
static PyObject *
symtable_symtable(PyObject *self, PyObject *args)
{
struct symtable *st;
PyObject *t;
char *str;
char *filename;
char *startstr;
int start;
if (!PyArg_ParseTuple(args, "sss:symtable", &str, &filename,
&startstr))
return NULL;
if (strcmp(startstr, "exec") == 0)
start = Py_file_input;
else if (strcmp(startstr, "eval") == 0)
start = Py_eval_input;
else if (strcmp(startstr, "single") == 0)
start = Py_single_input;
else {
PyErr_SetString(PyExc_ValueError,
"symtable() arg 3 must be 'exec' or 'eval' or 'single'");
return NULL;
}
st = Py_SymtableString(str, filename, start);
if (st == NULL)
return NULL;
t = Py_BuildValue("OO", st->st_symbols, st->st_scopes);
PySymtable_Free(st);
return t;
}
static PyMethodDef symtable_methods[] = {
{"symtable", symtable_symtable, METH_VARARGS,
"Return symbol and scope dictionaries used internally by compiler."},
{NULL, NULL} /* sentinel */
};
DL_EXPORT(void)
init_symtable(void)
{
PyObject *m;
m = Py_InitModule("_symtable", symtable_methods);
PyModule_AddIntConstant(m, "USE", USE);
PyModule_AddIntConstant(m, "DEF_GLOBAL", DEF_GLOBAL);
PyModule_AddIntConstant(m, "DEF_LOCAL", DEF_LOCAL);
PyModule_AddIntConstant(m, "DEF_PARAM", DEF_PARAM);
PyModule_AddIntConstant(m, "DEF_STAR", DEF_STAR);
PyModule_AddIntConstant(m, "DEF_DOUBLESTAR", DEF_DOUBLESTAR);
PyModule_AddIntConstant(m, "DEF_INTUPLE", DEF_INTUPLE);
PyModule_AddIntConstant(m, "DEF_FREE", DEF_FREE);
PyModule_AddIntConstant(m, "DEF_FREE_GLOBAL", DEF_FREE_GLOBAL);
PyModule_AddIntConstant(m, "DEF_FREE_CLASS", DEF_FREE_CLASS);
PyModule_AddIntConstant(m, "DEF_IMPORT", DEF_IMPORT);
PyModule_AddIntConstant(m, "TYPE_FUNCTION", TYPE_FUNCTION);
PyModule_AddIntConstant(m, "TYPE_CLASS", TYPE_CLASS);
PyModule_AddIntConstant(m, "TYPE_MODULE", TYPE_MODULE);
PyModule_AddIntConstant(m, "LOCAL", LOCAL);
PyModule_AddIntConstant(m, "GLOBAL_EXPLICIT", GLOBAL_EXPLICIT);
PyModule_AddIntConstant(m, "GLOBAL_IMPLICIT", GLOBAL_IMPLICIT);
PyModule_AddIntConstant(m, "FREE", FREE);
PyModule_AddIntConstant(m, "CELL", CELL);
}