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| author | stratakis <cstratak@redhat.com> | 2017-11-02 10:32:54 (GMT) |
|---|---|---|
| committer | Nick Coghlan <ncoghlan@gmail.com> | 2017-11-02 10:32:54 (GMT) |
| commit | e8b19656396381407ad91473af5da8b0d4346e88 (patch) | |
| tree | 16638970d5014728a49808d0c80c4af0fe6ccb91 /Include/object.h | |
| parent | 4f469c096628af730b17798d0ebfd8925bfde836 (diff) | |
| download | cpython-e8b19656396381407ad91473af5da8b0d4346e88.zip cpython-e8b19656396381407ad91473af5da8b0d4346e88.tar.gz cpython-e8b19656396381407ad91473af5da8b0d4346e88.tar.bz2 | |
bpo-23699: Use a macro to reduce boilerplate code in rich comparison functions (GH-793)
Diffstat (limited to 'Include/object.h')
| -rw-r--r-- | Include/object.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Include/object.h b/Include/object.h index cb57359..b7051f3 100644 --- a/Include/object.h +++ b/Include/object.h @@ -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. |