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- // Copyright 2013 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "gin/try_catch.h"
- #include <sstream>
- #include "gin/converter.h"
- #include "v8/include/v8-message.h"
- namespace {
- v8::Local<v8::String> GetSourceLine(v8::Isolate* isolate,
- v8::Local<v8::Message> message) {
- auto maybe = message->GetSourceLine(isolate->GetCurrentContext());
- v8::Local<v8::String> source_line;
- return maybe.ToLocal(&source_line) ? source_line : v8::String::Empty(isolate);
- }
- } // namespace
- namespace gin {
- TryCatch::TryCatch(v8::Isolate* isolate)
- : isolate_(isolate), try_catch_(isolate) {
- }
- TryCatch::~TryCatch() = default;
- bool TryCatch::HasCaught() {
- return try_catch_.HasCaught();
- }
- std::string TryCatch::GetStackTrace() {
- if (!HasCaught()) {
- return "";
- }
- std::stringstream ss;
- v8::Local<v8::Message> message = try_catch_.Message();
- ss << V8ToString(isolate_, message->Get()) << std::endl
- << V8ToString(isolate_, GetSourceLine(isolate_, message)) << std::endl;
- v8::Local<v8::StackTrace> trace = message->GetStackTrace();
- if (trace.IsEmpty())
- return ss.str();
- int len = trace->GetFrameCount();
- for (int i = 0; i < len; ++i) {
- v8::Local<v8::StackFrame> frame = trace->GetFrame(isolate_, i);
- ss << V8ToString(isolate_, frame->GetScriptName()) << ":"
- << frame->GetLineNumber() << ":" << frame->GetColumn() << ": "
- << V8ToString(isolate_, frame->GetFunctionName()) << std::endl;
- }
- return ss.str();
- }
- } // namespace gin
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