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