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therubyracer/ext/v8/v8_cxt.cpp
2010-05-20 12:07:33 +03:00

114 lines
3.3 KiB
C++

#include "rr.h"
#include "v8_cxt.h"
#include "v8_msg.h"
#include "v8_template.h"
#include "converters.h"
using namespace v8;
VALUE V8_C_Context;
//TODO: rename everything to Context_
//TODO: do the object init from within here
void rr_init_cxt() {
VALUE Context = V8_C_Context = rr_define_class("Context");
rb_define_singleton_method(Context, "new", (VALUE(*)(...)) v8_Context_New, -1);
rb_define_singleton_method(Context, "InContext", (VALUE(*)(...)) v8_Context_InContext, 0);
rb_define_singleton_method(Context, "GetCurrent", (VALUE(*)(...)) v8_Context_GetCurrent, 0);
rb_define_method(Context, "Global", (VALUE(*)(...)) v8_cxt_Global, 0);
rb_define_method(Context, "open", (VALUE(*)(...)) v8_cxt_open, 0);
rb_define_method(Context, "eval", (VALUE(*)(...)) v8_cxt_eval, 2);
rb_define_method(Context, "eql?", (VALUE(*)(...)) v8_cxt_eql, 1);
rb_define_method(Context, "==", (VALUE(*)(...)) v8_cxt_eql, 1);
}
VALUE v8_Context_New(int argc, VALUE *argv, VALUE self) {
HandleScope handles;
VALUE scope;
rb_scan_args(argc,argv, "01", &scope);
if (NIL_P(scope)) {
return V8_Ref_Create(self, Context::New());
} else {
Persistent<Context> context = Context::New(0, Racer_Create_V8_ObjectTemplate(scope));
Context::Scope enter(context);
context->Global()->SetHiddenValue(String::New("TheRubyRacer::RubyObject"), External::Wrap((void *)scope));
VALUE ref = V8_Ref_Create(self, context, scope);
context.Dispose();
return ref;
}
}
VALUE v8_Context_InContext(VALUE self) {
return Context::InContext() ? Qtrue : Qfalse;
}
VALUE v8_Context_GetCurrent(VALUE self) {
HandleScope handles;
if (Context::InContext()) {
Local<Context> current = Context::GetCurrent();
return V8_Ref_Create(self, current);
} else {
return Qnil;
}
}
VALUE v8_cxt_Global(VALUE self) {
HandleScope handles;
Local<Context> cxt = V8_Ref_Get<Context>(self);
Local<Value> global = *cxt->Global();
return V82RB(global);
}
VALUE v8_cxt_open(VALUE self) {
HandleScope handles;
Local<Context> cxt = V8_Ref_Get<Context>(self);
Context::Scope enter(cxt);
if (rb_block_given_p()) {
return rb_yield(self);
} else {
return Qnil;
}
}
VALUE Racer_Error_Message(TryCatch& exception) {
VALUE msg = V8_Wrap_Message(exception.Message());
Local<Value> stack = exception.StackTrace();
if (!stack.IsEmpty()) {
rb_iv_set(msg,"@stack",V82RB(stack));
}
return msg;
}
VALUE v8_cxt_eval(VALUE self, VALUE source, VALUE filename) {
HandleScope handles;
TryCatch exceptions;
Local<Context> cxt = V8_Ref_Get<Context>(self);
Context::Scope enter(cxt);
Local<Value> source_str = RB2V8(source);
Local<Value> source_name = RTEST(filename) ? RB2V8(filename) : *String::New("<eval>");
Local<Script> script = Script::Compile(source_str->ToString(), source_name);
if (exceptions.HasCaught()) {
return Racer_Error_Message(exceptions);
}
Local<Value> result = script->Run();
if (exceptions.HasCaught()) {
return Racer_Error_Message(exceptions);
} else {
return V82RB(result);
}
}
VALUE v8_cxt_eql(VALUE self, VALUE other) {
HandleScope handles;
if (RTEST(CLASS_OF(other) != V8_C_Context)) {
return Qnil;
} else {
Local<Context> cxt = V8_Ref_Get<Context>(self);
Local<Context> that = V8_Ref_Get<Context>(other);
return cxt == that ? Qtrue : Qfalse;
}
return Qnil;
}