lean2/src/util/trace.cpp
2014-09-23 08:13:33 -07:00

50 lines
1 KiB
C++

/*
Copyright (c) 2013 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Author: Leonardo de Moura
*/
#include <set>
#include <string>
#include <memory>
#include "util/trace.h"
#ifndef LEAN_TRACE_OUT
#define LEAN_TRACE_OUT ".lean_trace"
#endif
namespace lean {
#ifdef LEAN_TRACE
std::ofstream tout(LEAN_TRACE_OUT);
mutex trace_mutex;
#endif
static std::set<std::string> * g_enabled_trace_tags = nullptr;
void initialize_trace() {
// lazy initialization
}
void finalize_trace() {
if (g_enabled_trace_tags)
delete g_enabled_trace_tags;
}
void enable_trace(char const * tag) {
if (!g_enabled_trace_tags)
g_enabled_trace_tags = new std::set<std::string>();
g_enabled_trace_tags->insert(tag);
}
void disable_trace(char const * tag) {
if (g_enabled_trace_tags)
g_enabled_trace_tags->erase(tag);
}
bool is_trace_enabled(char const * tag) {
return g_enabled_trace_tags && g_enabled_trace_tags->find(tag) != g_enabled_trace_tags->end();
}
}