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100 lines
3 KiB
C
100 lines
3 KiB
C
#include "ruby.h"
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#include "rubyspec.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef FL_SHAREABLE
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static const VALUE VISIBLE_BITS = FL_TAINT | FL_FREEZE;
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static const VALUE DATA_VISIBLE_BITS = FL_TAINT | FL_FREEZE | ~(FL_USER0 - 1);
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#else
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static const VALUE VISIBLE_BITS = FL_FREEZE;
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static const VALUE DATA_VISIBLE_BITS = FL_FREEZE | ~(FL_USER0 - 1);
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#endif
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#if SIZEOF_VALUE == SIZEOF_LONG
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#define VALUE2NUM(v) ULONG2NUM(v)
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#define NUM2VALUE(n) NUM2ULONG(n)
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#elif SIZEOF_VALUE == SIZEOF_LONG_LONG
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#define VALUE2NUM(v) ULL2NUM(v)
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#define NUM2VALUE(n) NUM2ULL(n)
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#else
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#error "unsupported"
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#endif
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#ifndef RUBY_VERSION_IS_3_1
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VALUE rbasic_spec_taint_flag(VALUE self) {
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return VALUE2NUM(RUBY_FL_TAINT);
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}
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#endif
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VALUE rbasic_spec_freeze_flag(VALUE self) {
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return VALUE2NUM(RUBY_FL_FREEZE);
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}
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static VALUE spec_get_flags(const struct RBasic *b, VALUE visible_bits) {
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VALUE flags = b->flags & visible_bits;
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return VALUE2NUM(flags);
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}
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static VALUE spec_set_flags(struct RBasic *b, VALUE flags, VALUE visible_bits) {
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flags &= visible_bits;
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b->flags = (b->flags & ~visible_bits) | flags;
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return VALUE2NUM(flags);
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}
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VALUE rbasic_spec_get_flags(VALUE self, VALUE val) {
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return spec_get_flags(RBASIC(val), VISIBLE_BITS);
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}
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VALUE rbasic_spec_set_flags(VALUE self, VALUE val, VALUE flags) {
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return spec_set_flags(RBASIC(val), NUM2VALUE(flags), VISIBLE_BITS);
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}
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VALUE rbasic_spec_copy_flags(VALUE self, VALUE to, VALUE from) {
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return spec_set_flags(RBASIC(to), RBASIC(from)->flags, VISIBLE_BITS);
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}
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VALUE rbasic_spec_get_klass(VALUE self, VALUE val) {
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return RBASIC(val)->klass;
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}
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VALUE rbasic_rdata_spec_get_flags(VALUE self, VALUE structure) {
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return spec_get_flags(&RDATA(structure)->basic, DATA_VISIBLE_BITS);
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}
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VALUE rbasic_rdata_spec_set_flags(VALUE self, VALUE structure, VALUE flags) {
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return spec_set_flags(&RDATA(structure)->basic, NUM2VALUE(flags), DATA_VISIBLE_BITS);
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}
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VALUE rbasic_rdata_spec_copy_flags(VALUE self, VALUE to, VALUE from) {
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return spec_set_flags(&RDATA(to)->basic, RDATA(from)->basic.flags, DATA_VISIBLE_BITS);
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}
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VALUE rbasic_rdata_spec_get_klass(VALUE self, VALUE structure) {
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return RDATA(structure)->basic.klass;
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}
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void Init_rbasic_spec(void) {
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VALUE cls = rb_define_class("CApiRBasicSpecs", rb_cObject);
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#ifndef RUBY_VERSION_IS_3_1
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rb_define_method(cls, "taint_flag", rbasic_spec_taint_flag, 0);
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#endif
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rb_define_method(cls, "freeze_flag", rbasic_spec_freeze_flag, 0);
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rb_define_method(cls, "get_flags", rbasic_spec_get_flags, 1);
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rb_define_method(cls, "set_flags", rbasic_spec_set_flags, 2);
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rb_define_method(cls, "copy_flags", rbasic_spec_copy_flags, 2);
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rb_define_method(cls, "get_klass", rbasic_spec_get_klass, 1);
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cls = rb_define_class("CApiRBasicRDataSpecs", rb_cObject);
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rb_define_method(cls, "get_flags", rbasic_rdata_spec_get_flags, 1);
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rb_define_method(cls, "set_flags", rbasic_rdata_spec_set_flags, 2);
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rb_define_method(cls, "copy_flags", rbasic_rdata_spec_copy_flags, 2);
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rb_define_method(cls, "get_klass", rbasic_rdata_spec_get_klass, 1);
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}
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#ifdef __cplusplus
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}
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#endif
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