Ruby 3.1.3p185 (2022-11-24 revision 1a6b16756e0ba6b95ab71a441357ed5484e33498)
compar.h
1#ifndef INTERNAL_COMPAR_H /*-*-C-*-vi:se ft=c:*/
2#define INTERNAL_COMPAR_H
11#include "internal/vm.h" /* for rb_method_basic_definition_p */
12
13#define STRING_P(s) (RB_TYPE_P((s), T_STRING) && CLASS_OF(s) == rb_cString)
14
15enum {
16 cmp_opt_Integer,
17 cmp_opt_String,
18 cmp_opt_Float,
19 cmp_optimizable_count
20};
21
22struct cmp_opt_data {
23 unsigned int opt_methods;
24 unsigned int opt_inited;
25};
26
27#define NEW_CMP_OPT_MEMO(type, value) \
28 NEW_PARTIAL_MEMO_FOR(type, value, cmp_opt)
29#define CMP_OPTIMIZABLE_BIT(type) (1U << TOKEN_PASTE(cmp_opt_,type))
30#define CMP_OPTIMIZABLE(data, type) \
31 (((data).opt_inited & CMP_OPTIMIZABLE_BIT(type)) ? \
32 ((data).opt_methods & CMP_OPTIMIZABLE_BIT(type)) : \
33 (((data).opt_inited |= CMP_OPTIMIZABLE_BIT(type)), \
34 rb_method_basic_definition_p(TOKEN_PASTE(rb_c,type), id_cmp) && \
35 ((data).opt_methods |= CMP_OPTIMIZABLE_BIT(type))))
36
37#define OPTIMIZED_CMP(a, b, data) \
38 ((FIXNUM_P(a) && FIXNUM_P(b) && CMP_OPTIMIZABLE(data, Integer)) ? \
39 (((long)a > (long)b) ? 1 : ((long)a < (long)b) ? -1 : 0) : \
40 (STRING_P(a) && STRING_P(b) && CMP_OPTIMIZABLE(data, String)) ? \
41 rb_str_cmp(a, b) : \
42 (RB_FLOAT_TYPE_P(a) && RB_FLOAT_TYPE_P(b) && CMP_OPTIMIZABLE(data, Float)) ? \
43 rb_float_cmp(a, b) : \
44 rb_cmpint(rb_funcallv(a, id_cmp, 1, &b), a, b))
45
46/* compar.c */
47VALUE rb_invcmp(VALUE, VALUE);
48
49#endif /* INTERNAL_COMPAR_H */