| // Copyright 2016 The SwiftShader Authors. All Rights Reserved. | 
 | // | 
 | // Licensed under the Apache License, Version 2.0 (the "License"); | 
 | // you may not use this file except in compliance with the License. | 
 | // You may obtain a copy of the License at | 
 | // | 
 | //    http://www.apache.org/licenses/LICENSE-2.0 | 
 | // | 
 | // Unless required by applicable law or agreed to in writing, software | 
 | // distributed under the License is distributed on an "AS IS" BASIS, | 
 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 | // See the License for the specific language governing permissions and | 
 | // limitations under the License. | 
 |  | 
 | // debug.cpp: Debugging utilities. | 
 |  | 
 | #include "debug.h" | 
 |  | 
 | #include <stdarg.h> | 
 | #include <stdio.h> | 
 |  | 
 | #include "InitializeParseContext.h" | 
 | #include "ParseHelper.h" | 
 |  | 
 | #ifdef TRACE_ENABLED | 
 | namespace sh { | 
 | void Trace(const char *format, ...) { | 
 | 	if (!format) return; | 
 |  | 
 | 	TParseContext* parseContext = GetGlobalParseContext(); | 
 | 	if (parseContext) { | 
 | 		const int kTraceBufferLen = 1024; | 
 | 		char buf[kTraceBufferLen]; | 
 | 		va_list args; | 
 | 		va_start(args, format); | 
 | 		vsnprintf(buf, kTraceBufferLen, format, args); | 
 | 		va_end(args); | 
 |  | 
 | 		parseContext->trace(buf); | 
 | 	} | 
 | } | 
 | }  // namespace sh | 
 | #endif  // TRACE_ENABLED | 
 |  |