1 files changed, 138 insertions, 0 deletions
diff --git a/spec/rubyspec/optional/capi/ext/symbol_spec.c b/spec/rubyspec/optional/capi/ext/symbol_spec.c
new file mode 100644
index 0000000000..7ffa7cf9b1
--- /dev/null
+++ b/spec/rubyspec/optional/capi/ext/symbol_spec.c
@@ -0,0 +1,138 @@
+#include "ruby.h"
+#include "rubyspec.h"
+
+#ifdef HAVE_RUBY_ENCODING_H
+#include "ruby/encoding.h"
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef HAVE_RB_INTERN
+VALUE symbol_spec_rb_intern(VALUE self, VALUE string) {
+  return ID2SYM(rb_intern(RSTRING_PTR(string)));
+}
+
+VALUE symbol_spec_rb_intern2(VALUE self, VALUE string, VALUE len) {
+  return ID2SYM(rb_intern2(RSTRING_PTR(string), FIX2LONG(len)));
+}
+
+VALUE symbol_spec_rb_intern_const(VALUE self, VALUE string) {
+  return ID2SYM(rb_intern_const(RSTRING_PTR(string)));
+}
+
+VALUE symbol_spec_rb_intern_c_compare(VALUE self, VALUE string, VALUE sym) {
+  ID symbol = rb_intern(RSTRING_PTR(string));
+  return (SYM2ID(sym) == symbol) ? Qtrue : Qfalse;
+}
+
+VALUE symbol_spec_rb_intern2_c_compare(VALUE self, VALUE string, VALUE len, VALUE sym) {
+  ID symbol = rb_intern2(RSTRING_PTR(string), FIX2LONG(len));
+  return (SYM2ID(sym) == symbol) ? Qtrue : Qfalse;
+}
+#endif
+
+#ifdef HAVE_RB_INTERN3
+VALUE symbol_spec_rb_intern3(VALUE self, VALUE string, VALUE len, VALUE enc) {
+  return ID2SYM(rb_intern3(RSTRING_PTR(string), FIX2LONG(len), rb_enc_get(enc)));
+}
+
+VALUE symbol_spec_rb_intern3_c_compare(VALUE self, VALUE string, VALUE len, VALUE enc, VALUE sym) {
+  ID symbol = rb_intern3(RSTRING_PTR(string), FIX2LONG(len), rb_enc_get(enc));
+  return (SYM2ID(sym) == symbol) ? Qtrue : Qfalse;
+}
+#endif
+
+#ifdef HAVE_RB_ID2NAME
+VALUE symbol_spec_rb_id2name(VALUE self, VALUE symbol) {
+  const char* c_str = rb_id2name(SYM2ID(symbol));
+  return rb_str_new(c_str, strlen(c_str));
+}
+#endif
+
+#ifdef HAVE_RB_ID2STR
+VALUE symbol_spec_rb_id2str(VALUE self, VALUE symbol) {
+  return rb_id2str(SYM2ID(symbol));
+}
+#endif
+
+#ifdef HAVE_RB_INTERN_STR
+VALUE symbol_spec_rb_intern_str(VALUE self, VALUE str) {
+  return ID2SYM(rb_intern_str(str));
+}
+#endif
+
+#ifdef HAVE_RB_IS_CLASS_ID
+VALUE symbol_spec_rb_is_class_id(VALUE self, VALUE sym) {
+  return rb_is_class_id(SYM2ID(sym)) ? Qtrue : Qfalse;
+}
+#endif
+
+#ifdef HAVE_RB_IS_CONST_ID
+VALUE symbol_spec_rb_is_const_id(VALUE self, VALUE sym) {
+  return rb_is_const_id(SYM2ID(sym)) ? Qtrue : Qfalse;
+}
+#endif
+
+#ifdef HAVE_RB_IS_INSTANCE_ID
+VALUE symbol_spec_rb_is_instance_id(VALUE self, VALUE sym) {
+  return rb_is_instance_id(SYM2ID(sym)) ? Qtrue : Qfalse;
+}
+#endif
+
+#ifdef HAVE_RB_SYM2STR
+VALUE symbol_spec_rb_sym2str(VALUE self, VALUE sym) {
+  return rb_sym2str(sym);
+}
+#endif
+
+void Init_symbol_spec(void) {
+  VALUE cls;
+  cls = rb_define_class("CApiSymbolSpecs", rb_cObject);
+
+#ifdef HAVE_RB_INTERN
+  rb_define_method(cls, "rb_intern", symbol_spec_rb_intern, 1);
+  rb_define_method(cls, "rb_intern2", symbol_spec_rb_intern2, 2);
+  rb_define_method(cls, "rb_intern_const", symbol_spec_rb_intern_const, 1);
+  rb_define_method(cls, "rb_intern_c_compare", symbol_spec_rb_intern_c_compare, 2);
+  rb_define_method(cls, "rb_intern2_c_compare", symbol_spec_rb_intern2_c_compare, 3);
+#endif
+
+#ifdef HAVE_RB_INTERN3
+  rb_define_method(cls, "rb_intern3", symbol_spec_rb_intern3, 3);
+  rb_define_method(cls, "rb_intern3_c_compare", symbol_spec_rb_intern3_c_compare, 4);
+#endif
+
+#ifdef HAVE_RB_ID2NAME
+  rb_define_method(cls, "rb_id2name", symbol_spec_rb_id2name, 1);
+#endif
+
+#ifdef HAVE_RB_ID2STR
+  rb_define_method(cls, "rb_id2str", symbol_spec_rb_id2str, 1);
+#endif
+
+#ifdef HAVE_RB_INTERN_STR
+  rb_define_method(cls, "rb_intern_str", symbol_spec_rb_intern_str, 1);
+#endif
+
+#ifdef HAVE_RB_IS_CLASS_ID
+  rb_define_method(cls, "rb_is_class_id", symbol_spec_rb_is_class_id, 1);
+#endif
+
+#ifdef HAVE_RB_IS_CONST_ID
+  rb_define_method(cls, "rb_is_const_id", symbol_spec_rb_is_const_id, 1);
+#endif
+
+#ifdef HAVE_RB_IS_INSTANCE_ID
+  rb_define_method(cls, "rb_is_instance_id", symbol_spec_rb_is_instance_id, 1);
+#endif
+
+#ifdef HAVE_RB_SYM2STR
+  rb_define_method(cls, "rb_sym2str", symbol_spec_rb_sym2str, 1);
+#endif
+}
+
+#ifdef __cplusplus
+}
+#endif