| // 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(const v8::FunctionCallbackInfo<v8::Value>& info) |
| : isolate_(info.GetIsolate()), |
| info_(info), |
| next_(0), |
| insufficient_arguments_(false) { |
| } |
| |
| Arguments::~Arguments() { |
| } |
| |
| v8::Handle<v8::Value> Arguments::PeekNext() { |
| if (next_ >= info_.Length()) |
| return v8::Handle<v8::Value>(); |
| return info_[next_]; |
| } |
| |
| void Arguments::ThrowError() { |
| 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) { |
| isolate_->ThrowException(v8::Exception::TypeError( |
| StringToV8(isolate_, message))); |
| } |
| |
| } // namespace gin |