static PyCodeObject * parse_source_module(const char *pathname, FILE *fp) { PyCodeObject *co = NULL; mod_ty mod; PyCompilerFlags flags; PyArena *arena = PyArena_New(); if (arena == NULL) return NULL; flags.cf_flags = 0; mod = PyParser_ASTFromFile( fp, pathname, #if PY_MAJOR_VERSION >= 3 "utf-8", #endif Py_file_input, 0, 0, &flags, NULL, arena); if (mod) { co = PyAST_Compile(mod, pathname, NULL, arena); } PyArena_Free(arena); return co; }
/*将源文件编译为字节码文件*/ static PyCodeObject* compile(FILE *fp) { PyCodeObject *co = NULL; mod_ty mod; PyCompilerFlags flags; PyArena *arena = PyArena_New(); if(arena == NULL) { Ps_Log("Py arena new failed\n", Ps_LOG_WARING); return NULL; } flags.cf_flags = 0; mod = PyParser_ASTFromFile(fp, "", Py_file_input, 0, 0, &flags, NULL, arena); if(mod) { co = PyAST_Compile(mod, "", NULL, arena); } PyArena_Free(arena); return co; }
PyObject * PyRun_FileExFlags(FILE *fp, const char *filename, int start, PyObject *globals, PyObject *locals, int closeit, PyCompilerFlags *flags) { PyObject *ret; mod_ty mod; PyArena *arena = PyArena_New(); if (arena == NULL) return NULL; mod = PyParser_ASTFromFile(fp, filename, start, 0, 0, flags, NULL, arena); if (closeit) fclose(fp); if (mod == NULL) { PyArena_Free(arena); return NULL; } ret = run_mod(mod, filename, globals, locals, flags, arena); PyArena_Free(arena); return ret; }
int PyRun_InteractiveOneFlags(FILE *fp, const char *filename, PyCompilerFlags *flags) { PyObject *m, *d, *v, *w; mod_ty mod; PyArena *arena; char *ps1 = "", *ps2 = ""; int errcode = 0; v = PySys_GetObject("ps1"); if (v != NULL) { v = PyObject_Str(v); if (v == NULL) PyErr_Clear(); else if (PyString_Check(v)) ps1 = PyString_AsString(v); } w = PySys_GetObject("ps2"); if (w != NULL) { w = PyObject_Str(w); if (w == NULL) PyErr_Clear(); else if (PyString_Check(w)) ps2 = PyString_AsString(w); } arena = PyArena_New(); if (arena == NULL) { Py_XDECREF(v); Py_XDECREF(w); return -1; } mod = PyParser_ASTFromFile(fp, filename, Py_single_input, ps1, ps2, flags, &errcode, arena); Py_XDECREF(v); Py_XDECREF(w); if (mod == NULL) { PyArena_Free(arena); if (errcode == E_EOF) { PyErr_Clear(); return E_EOF; } PyErr_Print(); return -1; } m = PyImport_AddModule("__main__"); if (m == NULL) { PyArena_Free(arena); return -1; } d = PyModule_GetDict(m); v = run_mod(mod, filename, d, d, flags, arena); PyArena_Free(arena); if (v == NULL) { PyErr_Print(); return -1; } Py_DECREF(v); if (Py_FlushLine()) PyErr_Clear(); return 0; }