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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gin/arguments.h"
#include "base/strings/stringprintf.h"
#include "gin/converter.h"
namespace gin {
Arguments::Arguments()
: isolate_(NULL),
info_(NULL),
next_(0),
insufficient_arguments_(false) {
}
Arguments::Arguments(const v8::FunctionCallbackInfo<v8::Value>& info)
: isolate_(info.GetIsolate()),
info_(&info),
next_(0),
insufficient_arguments_(false) {
}
Arguments::~Arguments() {
}
v8::Handle<v8::Value> Arguments::PeekNext() const {
if (next_ >= info_->Length())
return v8::Handle<v8::Value>();
return (*info_)[next_];
}
void Arguments::ThrowError() const {
if (insufficient_arguments_)
return ThrowTypeError("Insufficient number of arguments.");
ThrowTypeError(base::StringPrintf(
"Error processing argument %d.", next_ - 1));
}
void Arguments::ThrowTypeError(const std::string& message) const {
isolate_->ThrowException(v8::Exception::TypeError(
StringToV8(isolate_, message)));
}
} // namespace gin
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