1 files changed, 261 insertions, 0 deletions
diff --git a/spec/ruby/optional/capi/ext/class_spec.c b/spec/ruby/optional/capi/ext/class_spec.c
new file mode 100644
index 0000000000..e3860df1da
--- /dev/null
+++ b/spec/ruby/optional/capi/ext/class_spec.c
@@ -0,0 +1,261 @@
+#include "ruby.h"
+#include "rubyspec.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef HAVE_RB_CALL_SUPER
+static VALUE class_spec_call_super_method(VALUE self) {
+  return rb_call_super(0, 0);
+}
+
+static VALUE class_spec_define_call_super_method(VALUE self, VALUE obj, VALUE str_name) {
+  rb_define_method(obj, RSTRING_PTR(str_name), class_spec_call_super_method, 0);
+  return Qnil;
+}
+#endif
+
+#ifdef HAVE_RB_CLASS_PATH
+static VALUE class_spec_rb_class_path(VALUE self, VALUE klass) {
+  return rb_class_path(klass);
+}
+#endif
+
+#ifdef HAVE_RB_CLASS_NAME
+static VALUE class_spec_rb_class_name(VALUE self, VALUE klass) {
+  return rb_class_name(klass);
+}
+#endif
+
+#ifdef HAVE_RB_CLASS2NAME
+static VALUE class_spec_rb_class2name(VALUE self, VALUE klass) {
+  return rb_str_new2( rb_class2name(klass) );
+}
+#endif
+
+#ifdef HAVE_RB_PATH2CLASS
+static VALUE class_spec_rb_path2class(VALUE self, VALUE path) {
+  return rb_path2class(RSTRING_PTR(path));
+}
+#endif
+
+#ifdef HAVE_RB_PATH_TO_CLASS
+static VALUE class_spec_rb_path_to_class(VALUE self, VALUE path) {
+  return rb_path_to_class(path);
+}
+#endif
+
+#ifdef HAVE_RB_CLASS_NEW
+static VALUE class_spec_rb_class_new(VALUE self, VALUE super) {
+  return rb_class_new(super);
+}
+#endif
+
+#ifdef HAVE_RB_CLASS_NEW_INSTANCE
+static VALUE class_spec_rb_class_new_instance(VALUE self,
+                                      VALUE nargs, VALUE args,
+                                      VALUE klass) {
+  int c_nargs = FIX2INT(nargs);
+  VALUE *c_args = alloca(sizeof(VALUE) * c_nargs);
+  int i;
+
+  for (i = 0; i < c_nargs; i++)
+    c_args[i] = rb_ary_entry(args, i);
+
+  return rb_class_new_instance(c_nargs, c_args, klass);
+}
+#endif
+
+#ifdef HAVE_RB_CLASS_REAL
+static VALUE class_spec_rb_class_real(VALUE self, VALUE object) {
+  if(rb_type_p(object, T_FIXNUM)) {
+    return INT2FIX(rb_class_real(FIX2INT(object)));
+  } else {
+    return rb_class_real(CLASS_OF(object));
+  }
+}
+#endif
+
+#ifdef HAVE_RB_CLASS_SUPERCLASS
+static VALUE class_spec_rb_class_superclass(VALUE self, VALUE klass) {
+  return rb_class_superclass(klass);
+}
+#endif
+
+#ifdef HAVE_RB_CVAR_DEFINED
+static VALUE class_spec_cvar_defined(VALUE self, VALUE klass, VALUE id) {
+  ID as_id = rb_intern(StringValuePtr(id));
+  return rb_cvar_defined(klass, as_id);
+}
+#endif
+
+#ifdef HAVE_RB_CVAR_GET
+static VALUE class_spec_cvar_get(VALUE self, VALUE klass, VALUE name) {
+  return rb_cvar_get(klass, rb_intern(StringValuePtr(name)));
+}
+#endif
+
+#ifdef HAVE_RB_CVAR_SET
+static VALUE class_spec_cvar_set(VALUE self, VALUE klass, VALUE name, VALUE val) {
+  rb_cvar_set(klass, rb_intern(StringValuePtr(name)), val);
+  return Qnil;
+}
+#endif
+
+#ifdef HAVE_RB_CV_GET
+static VALUE class_spec_cv_get(VALUE self, VALUE klass, VALUE name) {
+  return rb_cv_get(klass, StringValuePtr(name));
+}
+#endif
+
+#ifdef HAVE_RB_CV_SET
+static VALUE class_spec_cv_set(VALUE self, VALUE klass, VALUE name, VALUE val) {
+  rb_cv_set(klass, StringValuePtr(name), val);
+
+  return Qnil;
+}
+#endif
+
+#ifdef HAVE_RB_DEFINE_ATTR
+VALUE class_spec_define_attr(VALUE self, VALUE klass, VALUE sym, VALUE read, VALUE write) {
+  int int_read, int_write;
+  int_read = read == Qtrue ? 1 : 0;
+  int_write = write == Qtrue ? 1 : 0;
+  rb_define_attr(klass, rb_id2name(SYM2ID(sym)), int_read, int_write);
+  return Qnil;
+}
+#endif
+
+#ifdef HAVE_RB_DEFINE_CLASS
+static VALUE class_spec_rb_define_class(VALUE self, VALUE name, VALUE super) {
+  if(NIL_P(super)) super = 0;
+  return rb_define_class(RSTRING_PTR(name), super);
+}
+#endif
+
+#ifdef HAVE_RB_DEFINE_CLASS_UNDER
+static VALUE class_spec_rb_define_class_under(VALUE self, VALUE outer,
+                                                 VALUE name, VALUE super) {
+  if(NIL_P(super)) super = 0;
+  return rb_define_class_under(outer, RSTRING_PTR(name), super);
+}
+#endif
+
+#ifdef HAVE_RB_DEFINE_CLASS_ID_UNDER
+static VALUE class_spec_rb_define_class_id_under(VALUE self, VALUE outer,
+                                                 VALUE name, VALUE super) {
+  if(NIL_P(super)) super = 0;
+  return rb_define_class_id_under(outer, SYM2ID(name), super);
+}
+#endif
+
+#ifdef HAVE_RB_DEFINE_CLASS_VARIABLE
+static VALUE class_spec_define_class_variable(VALUE self, VALUE klass, VALUE name, VALUE val) {
+  rb_define_class_variable(klass, StringValuePtr(name), val);
+  return Qnil;
+}
+#endif
+
+#ifdef HAVE_RB_INCLUDE_MODULE
+static VALUE class_spec_include_module(VALUE self, VALUE klass, VALUE module) {
+  rb_include_module(klass, module);
+  return klass;
+}
+#endif
+
+void Init_class_spec(void) {
+  VALUE cls;
+  cls = rb_define_class("CApiClassSpecs", rb_cObject);
+
+#ifdef HAVE_RB_CALL_SUPER
+  rb_define_method(cls, "define_call_super_method", class_spec_define_call_super_method, 2);
+#endif
+
+#ifdef HAVE_RB_CLASS_PATH
+  rb_define_method(cls, "rb_class_path", class_spec_rb_class_path, 1);
+#endif
+
+#ifdef HAVE_RB_CLASS_NAME
+  rb_define_method(cls, "rb_class_name", class_spec_rb_class_name, 1);
+#endif
+
+#ifdef HAVE_RB_CLASS2NAME
+  rb_define_method(cls, "rb_class2name", class_spec_rb_class2name, 1);
+#endif
+
+#ifdef HAVE_RB_PATH2CLASS
+  rb_define_method(cls, "rb_path2class", class_spec_rb_path2class, 1);
+#endif
+
+#ifdef HAVE_RB_PATH_TO_CLASS
+  rb_define_method(cls, "rb_path_to_class", class_spec_rb_path_to_class, 1);
+#endif
+
+#ifdef HAVE_RB_CLASS_NEW
+  rb_define_method(cls, "rb_class_new", class_spec_rb_class_new, 1);
+#endif
+
+#ifdef HAVE_RB_CLASS_NEW_INSTANCE
+  rb_define_method(cls, "rb_class_new_instance", class_spec_rb_class_new_instance, 3);
+#endif
+
+#ifdef HAVE_RB_CLASS_REAL
+  rb_define_method(cls, "rb_class_real", class_spec_rb_class_real, 1);
+#endif
+
+#ifdef HAVE_RB_CLASS_SUPERCLASS
+  rb_define_method(cls, "rb_class_superclass", class_spec_rb_class_superclass, 1);
+#endif
+
+#ifdef HAVE_RB_CVAR_DEFINED
+  rb_define_method(cls, "rb_cvar_defined", class_spec_cvar_defined, 2);
+#endif
+
+#ifdef HAVE_RB_CVAR_GET
+  rb_define_method(cls, "rb_cvar_get", class_spec_cvar_get, 2);
+#endif
+
+#ifdef HAVE_RB_CVAR_SET
+  rb_define_method(cls, "rb_cvar_set", class_spec_cvar_set, 3);
+#endif
+
+#ifdef HAVE_RB_CV_GET
+  rb_define_method(cls, "rb_cv_get", class_spec_cv_get, 2);
+#endif
+
+#ifdef HAVE_RB_CV_SET
+  rb_define_method(cls, "rb_cv_set", class_spec_cv_set, 3);
+#endif
+
+#ifdef HAVE_RB_DEFINE_ATTR
+  rb_define_method(cls, "rb_define_attr", class_spec_define_attr, 4);
+#endif
+
+#ifdef HAVE_RB_DEFINE_CLASS
+  rb_define_method(cls, "rb_define_class", class_spec_rb_define_class, 2);
+#endif
+
+#ifdef HAVE_RB_DEFINE_CLASS_UNDER
+  rb_define_method(cls, "rb_define_class_under", class_spec_rb_define_class_under, 3);
+#endif
+
+#ifdef HAVE_RB_DEFINE_CLASS_ID_UNDER
+  rb_define_method(cls, "rb_define_class_id_under", class_spec_rb_define_class_id_under, 3);
+#endif
+
+#ifdef HAVE_RB_DEFINE_CLASS_VARIABLE
+  rb_define_method(cls, "rb_define_class_variable", class_spec_define_class_variable, 3);
+#endif
+
+#ifdef HAVE_RB_INCLUDE_MODULE
+  rb_define_method(cls, "rb_include_module", class_spec_include_module, 2);
+#endif
+}
+
+#ifdef __cplusplus
+}
+#endif