Mercurial > cpython-lru_cache-weakref
diff Python/compile.c @ 1399:cc172ce05561 legacy-trunk
Added compare operations for functions and code objects.
(Also hash, but it doesn't work yet.)
| author | Guido van Rossum <guido@python.org> |
|---|---|
| date | Fri, 05 Nov 1993 10:20:10 +0000 |
| parents | 89e1e5d9ccbf |
| children | 90c5e2bb4da5 |
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--- a/Python/compile.c Fri Nov 05 10:18:44 1993 +0000 +++ b/Python/compile.c Fri Nov 05 10:20:10 1993 +0000 @@ -92,6 +92,35 @@ return newstringobject(buf); } +static int +code_compare(co, cp) + codeobject *co, *cp; +{ + int cmp; + cmp = cmpobject((object *)co->co_code, (object *)cp->co_code); + if (cmp) return cmp; + cmp = cmpobject(co->co_consts, cp->co_consts); + if (cmp) return cmp; + cmp = cmpobject(co->co_names, cp->co_names); + return cmp; +} + +static long +code_hash(co) + codeobject *co; +{ + long h, h1, h2, h3; + h1 = hashobject((object *)co->co_code); + if (h1 == -1) return -1; + h2 = hashobject(co->co_consts); + if (h2 == -1) return -1; + h3 = hashobject(co->co_names); + if (h3 == -1) return -1; + h = h1 ^ h2 ^ h3; + if (h == -1) h = -2; + return h; +} + typeobject Codetype = { OB_HEAD_INIT(&Typetype) 0, @@ -102,11 +131,12 @@ 0, /*tp_print*/ code_getattr, /*tp_getattr*/ 0, /*tp_setattr*/ - 0, /*tp_compare*/ + code_compare, /*tp_compare*/ code_repr, /*tp_repr*/ 0, /*tp_as_number*/ 0, /*tp_as_sequence*/ 0, /*tp_as_mapping*/ + code_hash, /*tp_hash*/ }; codeobject *
