mirror of https://github.com/python/cpython
132 lines
4.1 KiB
C
132 lines
4.1 KiB
C
#include "Python.h"
|
|
#include "pycore_pythonrun.h" // _Py_SourceAsString()
|
|
#include "pycore_symtable.h" // struct symtable
|
|
|
|
#include "clinic/symtablemodule.c.h"
|
|
/*[clinic input]
|
|
module _symtable
|
|
[clinic start generated code]*/
|
|
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=f4685845a7100605]*/
|
|
|
|
|
|
/*[clinic input]
|
|
_symtable.symtable
|
|
|
|
source: object
|
|
filename: object(converter='PyUnicode_FSDecoder')
|
|
startstr: str
|
|
/
|
|
|
|
Return symbol and scope dictionaries used internally by compiler.
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_symtable_symtable_impl(PyObject *module, PyObject *source,
|
|
PyObject *filename, const char *startstr)
|
|
/*[clinic end generated code: output=59eb0d5fc7285ac4 input=9dd8a50c0c36a4d7]*/
|
|
{
|
|
struct symtable *st;
|
|
PyObject *t;
|
|
int start;
|
|
PyCompilerFlags cf = _PyCompilerFlags_INIT;
|
|
PyObject *source_copy = NULL;
|
|
|
|
cf.cf_flags = PyCF_SOURCE_IS_UTF8;
|
|
|
|
const char *str = _Py_SourceAsString(source, "symtable", "string or bytes", &cf, &source_copy);
|
|
if (str == NULL) {
|
|
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'");
|
|
Py_DECREF(filename);
|
|
Py_XDECREF(source_copy);
|
|
return NULL;
|
|
}
|
|
st = _Py_SymtableStringObjectFlags(str, filename, start, &cf);
|
|
Py_DECREF(filename);
|
|
Py_XDECREF(source_copy);
|
|
if (st == NULL) {
|
|
return NULL;
|
|
}
|
|
t = Py_NewRef(st->st_top);
|
|
_PySymtable_Free(st);
|
|
return t;
|
|
}
|
|
|
|
static PyMethodDef symtable_methods[] = {
|
|
_SYMTABLE_SYMTABLE_METHODDEF
|
|
{NULL, NULL} /* sentinel */
|
|
};
|
|
|
|
static int
|
|
symtable_init_constants(PyObject *m)
|
|
{
|
|
if (PyModule_AddIntMacro(m, USE) < 0) return -1;
|
|
if (PyModule_AddIntMacro(m, DEF_GLOBAL) < 0) return -1;
|
|
if (PyModule_AddIntMacro(m, DEF_NONLOCAL) < 0) return -1;
|
|
if (PyModule_AddIntMacro(m, DEF_LOCAL) < 0) return -1;
|
|
if (PyModule_AddIntMacro(m, DEF_PARAM) < 0) return -1;
|
|
if (PyModule_AddIntMacro(m, DEF_TYPE_PARAM) < 0) return -1;
|
|
if (PyModule_AddIntMacro(m, DEF_FREE) < 0) return -1;
|
|
if (PyModule_AddIntMacro(m, DEF_FREE_CLASS) < 0) return -1;
|
|
if (PyModule_AddIntMacro(m, DEF_IMPORT) < 0) return -1;
|
|
if (PyModule_AddIntMacro(m, DEF_BOUND) < 0) return -1;
|
|
if (PyModule_AddIntMacro(m, DEF_ANNOT) < 0) return -1;
|
|
|
|
if (PyModule_AddIntConstant(m, "TYPE_FUNCTION", FunctionBlock) < 0)
|
|
return -1;
|
|
if (PyModule_AddIntConstant(m, "TYPE_CLASS", ClassBlock) < 0)
|
|
return -1;
|
|
if (PyModule_AddIntConstant(m, "TYPE_MODULE", ModuleBlock) < 0)
|
|
return -1;
|
|
if (PyModule_AddIntConstant(m, "TYPE_ANNOTATION", AnnotationBlock) < 0)
|
|
return -1;
|
|
if (PyModule_AddIntConstant(m, "TYPE_TYPE_VAR_BOUND", TypeVarBoundBlock) < 0)
|
|
return -1;
|
|
if (PyModule_AddIntConstant(m, "TYPE_TYPE_ALIAS", TypeAliasBlock) < 0)
|
|
return -1;
|
|
if (PyModule_AddIntConstant(m, "TYPE_TYPE_PARAM", TypeParamBlock) < 0)
|
|
return -1;
|
|
|
|
if (PyModule_AddIntMacro(m, LOCAL) < 0) return -1;
|
|
if (PyModule_AddIntMacro(m, GLOBAL_EXPLICIT) < 0) return -1;
|
|
if (PyModule_AddIntMacro(m, GLOBAL_IMPLICIT) < 0) return -1;
|
|
if (PyModule_AddIntMacro(m, FREE) < 0) return -1;
|
|
if (PyModule_AddIntMacro(m, CELL) < 0) return -1;
|
|
|
|
if (PyModule_AddIntConstant(m, "SCOPE_OFF", SCOPE_OFFSET) < 0) return -1;
|
|
if (PyModule_AddIntMacro(m, SCOPE_MASK) < 0) return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static PyModuleDef_Slot symtable_slots[] = {
|
|
{Py_mod_exec, symtable_init_constants},
|
|
{Py_mod_multiple_interpreters, Py_MOD_PER_INTERPRETER_GIL_SUPPORTED},
|
|
{Py_mod_gil, Py_MOD_GIL_NOT_USED},
|
|
{0, NULL}
|
|
};
|
|
|
|
static struct PyModuleDef symtablemodule = {
|
|
PyModuleDef_HEAD_INIT,
|
|
.m_name = "_symtable",
|
|
.m_size = 0,
|
|
.m_methods = symtable_methods,
|
|
.m_slots = symtable_slots,
|
|
};
|
|
|
|
PyMODINIT_FUNC
|
|
PyInit__symtable(void)
|
|
{
|
|
return PyModuleDef_Init(&symtablemodule);
|
|
}
|