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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 
     13 TryCatch::TryCatch() {
     14 }
     15 
     16 TryCatch::~TryCatch() {
     17 }
     18 
     19 bool TryCatch::HasCaught() {
     20   return try_catch_.HasCaught();
     21 }
     22 
     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