Index: Source/core/dom/Iterable.h |
diff --git a/Source/core/dom/Iterable.h b/Source/core/dom/Iterable.h |
index c1ba4d8e5832ed2fa0631708c206a47e530a7f25..3d87f9c84799c165a50ee50f6b59a975a470a7d6 100644 |
--- a/Source/core/dom/Iterable.h |
+++ b/Source/core/dom/Iterable.h |
@@ -6,6 +6,7 @@ |
#define Iterable_h |
#include "bindings/core/v8/V8IteratorResultValue.h" |
+#include "bindings/core/v8/V8ScriptRunner.h" |
#include "core/dom/Iterator.h" |
namespace blink { |
@@ -38,6 +39,44 @@ public: |
return new IterableIterator<EntrySelector>(source); |
} |
+ void forEach(ScriptState* scriptState, const ScriptValue& thisValue, const ScriptValue& callback, const ScriptValue& thisArg, ExceptionState& exceptionState) |
+ { |
+ IterationSource* source = this->startIteration(scriptState, exceptionState); |
+ |
+ v8::Isolate* isolate = scriptState->isolate(); |
+ |
+ v8::Context::Scope contextScope(scriptState->context()); |
+ v8::HandleScope handleScope(isolate); |
yhirano
2015/01/23 11:49:03
Can you tell me why v8::Context::Scope is necessar
Jens Widell
2015/01/23 11:53:55
I don't know that it is, to be honest. I put it he
haraken
2015/01/23 11:55:39
Given that forEach is always called from JavaScrip
Jens Widell
2015/01/23 11:58:14
Yeah, that makes sense.
|
+ v8::TryCatch tryCatch(isolate); |
+ |
+ v8::Local<v8::Object> creationContext(scriptState->context()->Global()); |
+ v8::Local<v8::Function> v8Callback(callback.v8Value().As<v8::Function>()); |
+ v8::Local<v8::Value> v8ThisArg(thisArg.v8Value()); |
+ v8::Local<v8::Value> args[3]; |
+ |
+ args[2] = thisValue.v8Value(); |
+ |
+ while (true) { |
+ KeyType key; |
+ ValueType value; |
+ |
+ if (!source->next(scriptState, key, value, exceptionState)) |
+ return; |
+ |
+ ASSERT(!exceptionState.hadException()); |
+ |
+ args[0] = toV8(value, creationContext, isolate); |
+ args[1] = toV8(key, creationContext, isolate); |
+ |
+ V8ScriptRunner::callFunction(v8Callback, scriptState->executionContext(), v8ThisArg, 3, args, isolate); |
+ |
+ if (tryCatch.HasCaught()) { |
+ exceptionState.rethrowV8Exception(tryCatch.Exception()); |
+ return; |
+ } |
+ } |
+ } |
+ |
class IterationSource : public GarbageCollectedFinalized<IterationSource> { |
public: |
virtual ~IterationSource() { } |