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allow v8 refs to hold on to more than one ruby object.

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This commit is contained in:
Charles Lowell 2010-05-20 11:24:27 +03:00
parent c0497bebea
commit 9a44d204c8
2 changed files with 22 additions and 13 deletions
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27
ext/v8/v8_ref.cpp
View file

@ -2,25 +2,38 @@
#include "stdio.h" #include "stdio.h"
using namespace v8; using namespace v8;
v8_ref::v8_ref(Handle<void> object, VALUE ref) : handle(Persistent<void>::New(object)) {
references = rb_hash_new();
this->add(ref);
}
v8_ref::v8_ref(Handle<void> object, VALUE ref) : handle(Persistent<void>::New(object)), references(ref) { void v8_ref::add(VALUE ref) {
if (ref != 0 && RTEST(ref)) {
rb_hash_aset(references, ref, Qtrue);
}
} }
v8_ref::~v8_ref() { v8_ref::~v8_ref() {
handle.Dispose(); handle.Dispose();
} }
void v8_ref_mark(v8_ref* ref) { namespace {
if (ref->references != 0) { //the v8_ref wraps a v8 handle so that ruby can hold a reference to it.
void gc_mark(v8_ref* ref) {
rb_gc_mark(ref->references); rb_gc_mark(ref->references);
} }
void gc_free(v8_ref* ref) {
delete ref;
}
} }
void v8_ref_free(v8_ref* ref) { void rr_ref_addref(VALUE data, VALUE newref) {
delete ref; v8_ref * ref = 0;
Data_Get_Struct(data, struct v8_ref, ref);
ref->add(newref);
} }
VALUE V8_Ref_Create(VALUE ruby_class, v8::Handle<void> handle, VALUE ref) { VALUE V8_Ref_Create(VALUE ruby_class, v8::Handle<void> handle, VALUE ref) {
return Data_Wrap_Struct(ruby_class, v8_ref_mark, v8_ref_free, new v8_ref(handle, ref)); return Data_Wrap_Struct(ruby_class, gc_mark, gc_free, new v8_ref(handle, ref));
} }

8
ext/v8/v8_ref.h
View file

@ -4,21 +4,17 @@
#include <v8.h> #include <v8.h>
#include "ruby.h" #include "ruby.h"
//the v8_ref wraps a v8 handle so that ruby can hold a reference to it.
struct v8_ref { struct v8_ref {
//takes a handle object and adds a new persistent handle for //takes a handle object and adds a new persistent handle for
//the referenced object //the referenced object
v8_ref(v8::Handle<void> object, VALUE ref = 0); v8_ref(v8::Handle<void> object, VALUE ref = 0);
virtual ~v8_ref(); virtual ~v8_ref();
void add(VALUE ref);
v8::Persistent<void> handle; v8::Persistent<void> handle;
VALUE references; VALUE references;
}; };
void rr_ref_addref(VALUE handle, VALUE newref);
//memory management
void v8_ref_mark(v8_ref* ref);
void v8_ref_free(v8_ref* ref);
VALUE V8_Ref_Create(VALUE ruby_class, v8::Handle<void> handle, VALUE ref = 0); VALUE V8_Ref_Create(VALUE ruby_class, v8::Handle<void> handle, VALUE ref = 0);