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globals.cpp
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globals.cpp
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#include "builtin/object.hpp"
#include "capi/capi.hpp"
#include "capi/include/ruby.h"
using namespace rubinius;
using namespace rubinius::capi;
extern "C" {
void rb_free_global(VALUE global_handle) {
capi::Handle* handle = capi::Handle::from(global_handle);
if(CAPI_REFERENCE_P(handle) && handle->object()->reference_p()) {
handle->deref();
}
}
/** @todo This impl is wrong. address itself needs to be registered and
* deref'd at GC time to mark the object. */
void rb_global_variable(VALUE* address) {
capi::Handle* handle = capi::Handle::from(*address);
if(CAPI_REFERENCE_P(handle) && handle->object()->reference_p()) {
handle->ref();
}
}
void rb_gc_register_address(VALUE* address) {
rb_global_variable(address);
}
void rb_gc_unregister_address(VALUE* address) {
capi::Handle* handle = capi::Handle::from(*address);
if(CAPI_REFERENCE_P(handle) && handle->object()->reference_p()) {
handle->deref();
}
}
VALUE rb_gv_get(const char* name) {
NativeMethodEnvironment* env = NativeMethodEnvironment::get();
VALUE Globals = rb_const_get(rb_mRubinius, rb_intern("Globals"));
return rb_funcall(Globals,
rb_intern("[]"),
1,
env->get_handle(prefixed_by(env->state(), '$', rb_intern(name))));
}
VALUE rb_gv_set(const char* name, VALUE value) {
NativeMethodEnvironment* env = NativeMethodEnvironment::get();
VALUE Globals = rb_const_get(rb_mRubinius, rb_intern("Globals"));
return rb_funcall(Globals,
rb_intern("[]="),
2,
env->get_handle(prefixed_by(env->state(), '$', rb_intern(name))),
value);
}
VALUE rb_f_global_variables() {
return rb_funcall(rb_mKernel, rb_intern("global_variables"), 0);
}
void rb_define_readonly_variable(const char* name, VALUE* addr) {
// This is pretty much wrong, because when name is accessed, the VALUE
// at addr should be retrieved. We're going to just do it once, since almost
// no one uses this (just SWIG, and sets it before it uses it anyway)
rb_gv_set(name, *addr);
}
}