1// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//    http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15// debug.cpp: Debugging utilities.
16
17#include "debug.h"
18
19#include <stdarg.h>
20#include <stdio.h>
21
22#include "InitializeParseContext.h"
23#include "ParseHelper.h"
24
25static const int kTraceBufferLen = 1024;
26
27#ifdef TRACE_ENABLED
28extern "C" {
29void Trace(const char *format, ...) {
30	if (!format) return;
31
32	TParseContext* parseContext = GetGlobalParseContext();
33	if (parseContext) {
34		char buf[kTraceBufferLen];
35		va_list args;
36		va_start(args, format);
37		vsnprintf(buf, kTraceBufferLen, format, args);
38		va_end(args);
39
40		parseContext->trace(buf);
41	}
42}
43}  // extern "C"
44#endif  // TRACE_ENABLED
45
46