mirror of
https://github.com/python/cpython.git
synced 2024-12-13 11:54:54 +08:00
100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
#include "Python.h"
|
|
|
|
#include "code.h"
|
|
#include "Python-ast.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 = st->st_blocks;
|
|
Py_INCREF(t);
|
|
PyMem_Free((void *)st->st_future);
|
|
PySymtable_Free(st);
|
|
return t;
|
|
}
|
|
|
|
static PyMethodDef symtable_methods[] = {
|
|
{"symtable", symtable_symtable, METH_VARARGS,
|
|
PyDoc_STR("Return symbol and scope dictionaries"
|
|
" used internally by compiler.")},
|
|
{NULL, NULL} /* sentinel */
|
|
};
|
|
|
|
static struct PyModuleDef symtablemodule = {
|
|
PyModuleDef_HEAD_INIT,
|
|
"_symtable",
|
|
NULL,
|
|
-1,
|
|
symtable_methods,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL
|
|
};
|
|
|
|
PyMODINIT_FUNC
|
|
PyInit__symtable(void)
|
|
{
|
|
PyObject *m;
|
|
|
|
m = PyModule_Create(&symtablemodule);
|
|
if (m == NULL)
|
|
return NULL;
|
|
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_FREE", DEF_FREE);
|
|
PyModule_AddIntConstant(m, "DEF_FREE_CLASS", DEF_FREE_CLASS);
|
|
PyModule_AddIntConstant(m, "DEF_IMPORT", DEF_IMPORT);
|
|
PyModule_AddIntConstant(m, "DEF_BOUND", DEF_BOUND);
|
|
|
|
PyModule_AddIntConstant(m, "TYPE_FUNCTION", FunctionBlock);
|
|
PyModule_AddIntConstant(m, "TYPE_CLASS", ClassBlock);
|
|
PyModule_AddIntConstant(m, "TYPE_MODULE", ModuleBlock);
|
|
|
|
PyModule_AddIntConstant(m, "OPT_IMPORT_STAR", OPT_IMPORT_STAR);
|
|
PyModule_AddIntConstant(m, "OPT_TOPLEVEL", OPT_TOPLEVEL);
|
|
|
|
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);
|
|
|
|
PyModule_AddIntConstant(m, "SCOPE_OFF", SCOPE_OFFSET);
|
|
PyModule_AddIntConstant(m, "SCOPE_MASK", SCOPE_MASK);
|
|
|
|
if (PyErr_Occurred()) {
|
|
Py_DECREF(m);
|
|
m = 0;
|
|
}
|
|
return m;
|
|
}
|