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comparison Python/pythonrun.c @ 86980:77bebcf5c4cf

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Issue #19512: add _PyUnicode_CompareWithId() function _PyUnicode_CompareWithId() is faster than PyUnicode_CompareWithASCIIString() when both strings are equal and interned. Add also _PyId_builtins identifier for "builtins" common string.
author Victor Stinner <victor.stinner@gmail.com>
date Thu, 07 Nov 2013 00:46:04 +0100
parents e9a865620788
children 7c71d2f97196
comparison
equal deleted inserted replaced
86979:e9a865620788 86980:77bebcf5c4cf
35 #define PATH_MAX MAXPATHLEN 35 #define PATH_MAX MAXPATHLEN
36 #endif 36 #endif
37 37
38 /* Common identifiers */ 38 /* Common identifiers */
39 _Py_Identifier _PyId_argv = _Py_static_string_init("argv"); 39 _Py_Identifier _PyId_argv = _Py_static_string_init("argv");
40 _Py_Identifier _PyId_builtins = _Py_static_string_init("builtins");
40 _Py_Identifier _PyId_path = _Py_static_string_init("path"); 41 _Py_Identifier _PyId_path = _Py_static_string_init("path");
41 _Py_Identifier _PyId_stdin = _Py_static_string_init("stdin"); 42 _Py_Identifier _PyId_stdin = _Py_static_string_init("stdin");
42 _Py_Identifier _PyId_stdout = _Py_static_string_init("stdout"); 43 _Py_Identifier _PyId_stdout = _Py_static_string_init("stdout");
43 _Py_Identifier _PyId_stderr = _Py_static_string_init("stderr"); 44 _Py_Identifier _PyId_stderr = _Py_static_string_init("stderr");
44 45
1926 { 1927 {
1927 Py_XDECREF(moduleName); 1928 Py_XDECREF(moduleName);
1928 err = PyFile_WriteString("<unknown>", f); 1929 err = PyFile_WriteString("<unknown>", f);
1929 } 1930 }
1930 else { 1931 else {
1931 if (PyUnicode_CompareWithASCIIString(moduleName, "builtins") != 0) 1932 if (_PyUnicode_CompareWithId(moduleName, &_PyId_builtins) != 0)
1932 { 1933 {
1933 err = PyFile_WriteObject(moduleName, f, Py_PRINT_RAW); 1934 err = PyFile_WriteObject(moduleName, f, Py_PRINT_RAW);
1934 err += PyFile_WriteString(".", f); 1935 err += PyFile_WriteString(".", f);
1935 } 1936 }
1936 Py_DECREF(moduleName); 1937 Py_DECREF(moduleName);