gin/try_catch.cc

   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