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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/try_catch.h"
6 
7 #include <sstream>
8 
9 #include "gin/converter.h"
10 
11 namespace gin {
12 
TryCatch()13 TryCatch::TryCatch() {
14 }
15 
~TryCatch()16 TryCatch::~TryCatch() {
17 }
18 
HasCaught()19 bool TryCatch::HasCaught() {
20   return try_catch_.HasCaught();
21 }
22 
GetStackTrace()23 std::string TryCatch::GetStackTrace() {
24   if (!HasCaught()) {
25     return "";
26   }
27 
28   std::stringstream ss;
29   v8::Handle<v8::Message> message = try_catch_.Message();
30   ss << V8ToString(message->Get()) << std::endl
31      << V8ToString(message->GetSourceLine()) << std::endl;
32 
33   v8::Handle<v8::StackTrace> trace = message->GetStackTrace();
34   if (trace.IsEmpty())
35     return ss.str();
36 
37   int len = trace->GetFrameCount();
38   for (int i = 0; i < len; ++i) {
39     v8::Handle<v8::StackFrame> frame = trace->GetFrame(i);
40     ss << V8ToString(frame->GetScriptName()) << ":"
41        << frame->GetLineNumber() << ":"
42        << frame->GetColumn() << ": "
43        << V8ToString(frame->GetFunctionName())
44        << std::endl;
45   }
46   return ss.str();
47 }
48 
49 }  // namespace gin
50