1 // Copyright 2016 the V8 project 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 #ifndef SRC_LIBPLATFORM_TRACING_TRACE_WRITER_H_ 6 #define SRC_LIBPLATFORM_TRACING_TRACE_WRITER_H_ 7 8 #include "include/libplatform/v8-tracing.h" 9 10 namespace v8 { 11 namespace platform { 12 namespace tracing { 13 14 class JSONTraceWriter : public TraceWriter { 15 public: 16 explicit JSONTraceWriter(std::ostream& stream); 17 ~JSONTraceWriter(); 18 void AppendTraceEvent(TraceObject* trace_event) override; 19 void Flush() override; 20 21 private: 22 void AppendArgValue(uint8_t type, TraceObject::ArgValue value); 23 void AppendArgValue(v8::ConvertableToTraceFormat*); 24 25 std::ostream& stream_; 26 bool append_comma_ = false; 27 }; 28 29 } // namespace tracing 30 } // namespace platform 31 } // namespace v8 32 33 #endif // SRC_LIBPLATFORM_TRACING_TRACE_WRITER_H_ 34
