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Issue #19512: add some common identifiers to only create common strings once,

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instead of creating temporary Unicode string objects

Add also more identifiers in pythonrun.c to avoid temporary Unicode string
objets for the interactive interpreter.
This commit is contained in:
Victor Stinner 2013-11-06 22:41:44 +01:00
parent bb52020d44
commit 090543736f
13 changed files with 72 additions and 49 deletions
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12
Include/object.h
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@ -143,9 +143,17 @@ typedef struct _Py_Identifier {
PyObject *object;
} _Py_Identifier;
#define _Py_static_string(varname, value) static _Py_Identifier varname = { 0, value, 0 }
#define _Py_static_string_init(value) { 0, value, 0 }
#define _Py_static_string(varname, value) static _Py_Identifier varname = _Py_static_string_init(value)
#define _Py_IDENTIFIER(varname) _Py_static_string(PyId_##varname, #varname)
/* Common identifiers */
PyAPI_DATA(_Py_Identifier) _PyId_path;
PyAPI_DATA(_Py_Identifier) _PyId_argv;
PyAPI_DATA(_Py_Identifier) _PyId_stdin;
PyAPI_DATA(_Py_Identifier) _PyId_stdout;
PyAPI_DATA(_Py_Identifier) _PyId_stderr;
/*
Type objects contain a string containing the type name (to help somewhat
in debugging), the allocation parameters (see PyObject_New() and
@ -829,7 +837,7 @@ PyAPI_FUNC(void) _Py_Dealloc(PyObject *);
PyObject *_py_xincref_tmp = (PyObject *)(op); \
if (_py_xincref_tmp != NULL) \
Py_INCREF(_py_xincref_tmp); \
} while (0)
} while (0)
#define Py_XDECREF(op) \
do { \