1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "gin/arguments.h" 6 7 #include "base/strings/stringprintf.h" 8 #include "gin/converter.h" 9 10 namespace gin { 11 12 Arguments::Arguments() 13 : isolate_(NULL), 14 info_(NULL), 15 next_(0), 16 insufficient_arguments_(false) { 17 } 18 19 Arguments::Arguments(const v8::FunctionCallbackInfo<v8::Value>& info) 20 : isolate_(info.GetIsolate()), 21 info_(&info), 22 next_(0), 23 insufficient_arguments_(false) { 24 } 25 26 Arguments::~Arguments() { 27 } 28 29 v8::Handle<v8::Value> Arguments::PeekNext() const { 30 if (next_ >= info_->Length()) 31 return v8::Handle<v8::Value>(); 32 return (*info_)[next_]; 33 } 34 35 void Arguments::ThrowError() const { 36 if (insufficient_arguments_) 37 return ThrowTypeError("Insufficient number of arguments."); 38 39 ThrowTypeError(base::StringPrintf( 40 "Error processing argument %d.", next_ - 1)); 41 } 42 43 void Arguments::ThrowTypeError(const std::string& message) const { 44 isolate_->ThrowException(v8::Exception::TypeError( 45 StringToV8(isolate_, message))); 46 } 47 48 bool Arguments::IsConstructCall() const { 49 return info_->IsConstructCall(); 50 } 51 52 } // namespace gin 53
