mirror of
https://github.com/python/cpython.git
synced 2024-11-27 23:47:29 +01:00
133 lines
4.2 KiB
C
133 lines
4.2 KiB
C
#include "Python.h"
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#include "pycore_pythonrun.h" // _Py_SourceAsString()
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#include "pycore_symtable.h" // struct symtable
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#include "clinic/symtablemodule.c.h"
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/*[clinic input]
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module _symtable
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[clinic start generated code]*/
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/*[clinic end generated code: output=da39a3ee5e6b4b0d input=f4685845a7100605]*/
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/*[clinic input]
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_symtable.symtable
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source: object
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filename: object(converter='PyUnicode_FSDecoder')
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startstr: str
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/
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Return symbol and scope dictionaries used internally by compiler.
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[clinic start generated code]*/
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static PyObject *
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_symtable_symtable_impl(PyObject *module, PyObject *source,
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PyObject *filename, const char *startstr)
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/*[clinic end generated code: output=59eb0d5fc7285ac4 input=9dd8a50c0c36a4d7]*/
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{
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struct symtable *st;
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PyObject *t;
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int start;
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PyCompilerFlags cf = _PyCompilerFlags_INIT;
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PyObject *source_copy = NULL;
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cf.cf_flags = PyCF_SOURCE_IS_UTF8;
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const char *str = _Py_SourceAsString(source, "symtable", "string or bytes", &cf, &source_copy);
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if (str == NULL) {
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return NULL;
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}
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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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Py_DECREF(filename);
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Py_XDECREF(source_copy);
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return NULL;
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}
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st = _Py_SymtableStringObjectFlags(str, filename, start, &cf);
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Py_DECREF(filename);
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Py_XDECREF(source_copy);
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if (st == NULL) {
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return NULL;
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}
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t = Py_NewRef(st->st_top);
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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_METHODDEF
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{NULL, NULL} /* sentinel */
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};
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static int
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symtable_init_constants(PyObject *m)
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{
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if (PyModule_AddIntMacro(m, USE) < 0) return -1;
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if (PyModule_AddIntMacro(m, DEF_GLOBAL) < 0) return -1;
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if (PyModule_AddIntMacro(m, DEF_NONLOCAL) < 0) return -1;
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if (PyModule_AddIntMacro(m, DEF_LOCAL) < 0) return -1;
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if (PyModule_AddIntMacro(m, DEF_PARAM) < 0) return -1;
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if (PyModule_AddIntMacro(m, DEF_TYPE_PARAM) < 0) return -1;
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if (PyModule_AddIntMacro(m, DEF_FREE_CLASS) < 0) return -1;
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if (PyModule_AddIntMacro(m, DEF_IMPORT) < 0) return -1;
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if (PyModule_AddIntMacro(m, DEF_BOUND) < 0) return -1;
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if (PyModule_AddIntMacro(m, DEF_ANNOT) < 0) return -1;
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if (PyModule_AddIntMacro(m, DEF_COMP_ITER) < 0) return -1;
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if (PyModule_AddIntMacro(m, DEF_COMP_CELL) < 0) return -1;
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if (PyModule_AddIntConstant(m, "TYPE_FUNCTION", FunctionBlock) < 0)
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return -1;
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if (PyModule_AddIntConstant(m, "TYPE_CLASS", ClassBlock) < 0)
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return -1;
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if (PyModule_AddIntConstant(m, "TYPE_MODULE", ModuleBlock) < 0)
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return -1;
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if (PyModule_AddIntConstant(m, "TYPE_ANNOTATION", AnnotationBlock) < 0)
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return -1;
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if (PyModule_AddIntConstant(m, "TYPE_TYPE_ALIAS", TypeAliasBlock) < 0)
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return -1;
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if (PyModule_AddIntConstant(m, "TYPE_TYPE_PARAMETERS", TypeParametersBlock) < 0)
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return -1;
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if (PyModule_AddIntConstant(m, "TYPE_TYPE_VARIABLE", TypeVariableBlock) < 0)
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return -1;
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if (PyModule_AddIntMacro(m, LOCAL) < 0) return -1;
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if (PyModule_AddIntMacro(m, GLOBAL_EXPLICIT) < 0) return -1;
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if (PyModule_AddIntMacro(m, GLOBAL_IMPLICIT) < 0) return -1;
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if (PyModule_AddIntMacro(m, FREE) < 0) return -1;
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if (PyModule_AddIntMacro(m, CELL) < 0) return -1;
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if (PyModule_AddIntConstant(m, "SCOPE_OFF", SCOPE_OFFSET) < 0) return -1;
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if (PyModule_AddIntMacro(m, SCOPE_MASK) < 0) return -1;
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return 0;
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}
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static PyModuleDef_Slot symtable_slots[] = {
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{Py_mod_exec, symtable_init_constants},
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{Py_mod_multiple_interpreters, Py_MOD_PER_INTERPRETER_GIL_SUPPORTED},
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{Py_mod_gil, Py_MOD_GIL_NOT_USED},
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{0, NULL}
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};
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static struct PyModuleDef symtablemodule = {
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PyModuleDef_HEAD_INIT,
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.m_name = "_symtable",
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.m_size = 0,
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.m_methods = symtable_methods,
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.m_slots = symtable_slots,
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};
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PyMODINIT_FUNC
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PyInit__symtable(void)
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{
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return PyModuleDef_Init(&symtablemodule);
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}
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