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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 "base/strings/stringprintf.h" | 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() | 12 Arguments::Arguments() |
13 : isolate_(NULL), | 13 : isolate_(NULL), |
14 info_(NULL), | 14 info_(NULL), |
15 next_(0), | 15 next_(0), |
16 insufficient_arguments_(false) { | 16 insufficient_arguments_(false) { |
17 } | 17 } |
18 | 18 |
19 Arguments::Arguments(const v8::FunctionCallbackInfo<v8::Value>& info) | 19 Arguments::Arguments(const v8::FunctionCallbackInfo<v8::Value>& info) |
20 : isolate_(info.GetIsolate()), | 20 : isolate_(info.GetIsolate()), |
21 info_(&info), | 21 info_(&info), |
22 next_(0), | 22 next_(0), |
23 insufficient_arguments_(false) { | 23 insufficient_arguments_(false) { |
24 } | 24 } |
25 | 25 |
26 Arguments::~Arguments() { | 26 Arguments::~Arguments() { |
27 } | 27 } |
28 | 28 |
29 v8::Handle<v8::Value> Arguments::PeekNext() { | 29 v8::Handle<v8::Value> Arguments::PeekNext() const { |
30 if (next_ >= info_->Length()) | 30 if (next_ >= info_->Length()) |
31 return v8::Handle<v8::Value>(); | 31 return v8::Handle<v8::Value>(); |
32 return (*info_)[next_]; | 32 return (*info_)[next_]; |
33 } | 33 } |
34 | 34 |
35 void Arguments::ThrowError() { | 35 void Arguments::ThrowError() const { |
36 if (insufficient_arguments_) | 36 if (insufficient_arguments_) |
37 return ThrowTypeError("Insufficient number of arguments."); | 37 return ThrowTypeError("Insufficient number of arguments."); |
38 | 38 |
39 ThrowTypeError(base::StringPrintf( | 39 ThrowTypeError(base::StringPrintf( |
40 "Error processing argument %d.", next_ - 1)); | 40 "Error processing argument %d.", next_ - 1)); |
41 } | 41 } |
42 | 42 |
43 void Arguments::ThrowTypeError(const std::string& message) { | 43 void Arguments::ThrowTypeError(const std::string& message) const { |
44 isolate_->ThrowException(v8::Exception::TypeError( | 44 isolate_->ThrowException(v8::Exception::TypeError( |
45 StringToV8(isolate_, message))); | 45 StringToV8(isolate_, message))); |
46 } | 46 } |
47 | 47 |
48 } // namespace gin | 48 } // namespace gin |
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