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bpo-23699: Use a macro to reduce boilerplate code in rich comparison functions (GH-793)

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stratakis 2017-11-02 11:32:54 +01:00 • committed by Nick Coghlan
parent 4f469c0966
commit e8b1965639
16 changed files with 75 additions and 316 deletions
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19
Include/object.h
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@ -931,6 +931,25 @@ PyAPI_DATA(PyObject) _Py_NotImplementedStruct; /* Don't use this directly */
#define Py_GT 4
#define Py_GE 5
/*
* Macro for implementing rich comparisons
*
* Needs to be a macro because any C-comparable type can be used.
*/
#define Py_RETURN_RICHCOMPARE(val1, val2, op) \
do { \
switch (op) { \
case Py_EQ: if ((val1) == (val2)) Py_RETURN_TRUE; Py_RETURN_FALSE; \
case Py_NE: if ((val1) != (val2)) Py_RETURN_TRUE; Py_RETURN_FALSE; \
case Py_LT: if ((val1) < (val2)) Py_RETURN_TRUE; Py_RETURN_FALSE; \
case Py_GT: if ((val1) > (val2)) Py_RETURN_TRUE; Py_RETURN_FALSE; \
case Py_LE: if ((val1) <= (val2)) Py_RETURN_TRUE; Py_RETURN_FALSE; \
case Py_GE: if ((val1) >= (val2)) Py_RETURN_TRUE; Py_RETURN_FALSE; \
default: \
Py_UNREACHABLE(); \
} \
} while (0)
#ifndef Py_LIMITED_API
/* Maps Py_LT to Py_GT, ..., Py_GE to Py_LE.
* Defined in object.c.