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#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;
if (PyType_Ready(&PySTEntry_Type) < 0)
return NULL;
m = PyModule_Create(&symtablemodule);
if (m == NULL)
return NULL;
PyModule_AddIntMacro(m, USE);
PyModule_AddIntMacro(m, DEF_GLOBAL);
PyModule_AddIntMacro(m, DEF_LOCAL);
PyModule_AddIntMacro(m, DEF_PARAM);
PyModule_AddIntMacro(m, DEF_FREE);
PyModule_AddIntMacro(m, DEF_FREE_CLASS);
PyModule_AddIntMacro(m, DEF_IMPORT);
PyModule_AddIntMacro(m, DEF_BOUND);
PyModule_AddIntConstant(m, "TYPE_FUNCTION", FunctionBlock);
PyModule_AddIntConstant(m, "TYPE_CLASS", ClassBlock);
PyModule_AddIntConstant(m, "TYPE_MODULE", ModuleBlock);
PyModule_AddIntMacro(m, OPT_IMPORT_STAR);
PyModule_AddIntMacro(m, OPT_TOPLEVEL);
PyModule_AddIntMacro(m, LOCAL);
PyModule_AddIntMacro(m, GLOBAL_EXPLICIT);
PyModule_AddIntMacro(m, GLOBAL_IMPLICIT);
PyModule_AddIntMacro(m, FREE);
PyModule_AddIntMacro(m, CELL);
PyModule_AddIntConstant(m, "SCOPE_OFF", SCOPE_OFFSET);
PyModule_AddIntMacro(m, SCOPE_MASK);
if (PyErr_Occurred()) {
Py_DECREF(m);
m = 0;
}
return m;
}
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