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2554dd993a
The st_future slot of the symtable is not freed by PySymtable_Free() because it is shared by the symtable and compiling structs in compiel.c. Since it is shared, it is explicitly deallocated when the compiling struct is freed.
79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
#include "Python.h"
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#include "compile.h"
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#include "symtable.h"
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static PyObject *
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symtable_symtable(PyObject *self, PyObject *args)
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{
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struct symtable *st;
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PyObject *t;
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char *str;
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char *filename;
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char *startstr;
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int start;
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if (!PyArg_ParseTuple(args, "sss:symtable", &str, &filename,
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&startstr))
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return NULL;
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if (strcmp(startstr, "exec") == 0)
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start = Py_file_input;
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else if (strcmp(startstr, "eval") == 0)
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start = Py_eval_input;
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else if (strcmp(startstr, "single") == 0)
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start = Py_single_input;
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else {
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PyErr_SetString(PyExc_ValueError,
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"symtable() arg 3 must be 'exec' or 'eval' or 'single'");
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return NULL;
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}
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st = Py_SymtableString(str, filename, start);
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if (st == NULL)
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return NULL;
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t = Py_BuildValue("O", st->st_symbols);
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PyMem_Free((void *)st->st_future);
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PySymtable_Free(st);
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return t;
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}
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static PyMethodDef symtable_methods[] = {
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{"symtable", symtable_symtable, METH_VARARGS,
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"Return symbol and scope dictionaries used internally by compiler."},
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{NULL, NULL} /* sentinel */
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};
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DL_EXPORT(void)
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init_symtable(void)
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{
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PyObject *m;
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m = Py_InitModule("_symtable", symtable_methods);
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PyModule_AddIntConstant(m, "USE", USE);
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PyModule_AddIntConstant(m, "DEF_GLOBAL", DEF_GLOBAL);
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PyModule_AddIntConstant(m, "DEF_LOCAL", DEF_LOCAL);
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PyModule_AddIntConstant(m, "DEF_PARAM", DEF_PARAM);
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PyModule_AddIntConstant(m, "DEF_STAR", DEF_STAR);
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PyModule_AddIntConstant(m, "DEF_DOUBLESTAR", DEF_DOUBLESTAR);
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PyModule_AddIntConstant(m, "DEF_INTUPLE", DEF_INTUPLE);
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PyModule_AddIntConstant(m, "DEF_FREE", DEF_FREE);
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PyModule_AddIntConstant(m, "DEF_FREE_GLOBAL", DEF_FREE_GLOBAL);
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PyModule_AddIntConstant(m, "DEF_FREE_CLASS", DEF_FREE_CLASS);
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PyModule_AddIntConstant(m, "DEF_IMPORT", DEF_IMPORT);
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PyModule_AddIntConstant(m, "DEF_BOUND", DEF_BOUND);
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PyModule_AddIntConstant(m, "TYPE_FUNCTION", TYPE_FUNCTION);
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PyModule_AddIntConstant(m, "TYPE_CLASS", TYPE_CLASS);
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PyModule_AddIntConstant(m, "TYPE_MODULE", TYPE_MODULE);
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PyModule_AddIntConstant(m, "OPT_IMPORT_STAR", OPT_IMPORT_STAR);
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PyModule_AddIntConstant(m, "OPT_EXEC", OPT_EXEC);
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PyModule_AddIntConstant(m, "OPT_BARE_EXEC", OPT_BARE_EXEC);
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PyModule_AddIntConstant(m, "LOCAL", LOCAL);
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PyModule_AddIntConstant(m, "GLOBAL_EXPLICIT", GLOBAL_EXPLICIT);
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PyModule_AddIntConstant(m, "GLOBAL_IMPLICIT", GLOBAL_IMPLICIT);
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PyModule_AddIntConstant(m, "FREE", FREE);
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PyModule_AddIntConstant(m, "CELL", CELL);
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}
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