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/*
*/
#pragma once
#include <sstream>
#include <cassert>
#include <functional>
extern int g_debug_indent_level;
#ifndef DISABLE_DEBUG
#define INDENT() do { g_debug_indent_level += 1; assert(g_debug_indent_level<300); } while(0)
#define UNINDENT() do { g_debug_indent_level -= 1; } while(0)
#define DEBUG(ss) do{ if(debug_enabled()) { debug_output(g_debug_indent_level, __FUNCTION__) << ss << ::std::endl; } } while(0)
#else
#define INDENT() do { } while(0)
#define UNINDENT() do {} while(0)
#define DEBUG(ss) do{ (void)(::NullSink() << ss); } while(0)
#endif
extern bool debug_enabled();
extern ::std::ostream& debug_output(int indent, const char* function);
struct RepeatLitStr
{
const char *s;
int n;
friend ::std::ostream& operator<<(::std::ostream& os, const RepeatLitStr& r) {
for(int i = 0; i < r.n; i ++ )
os << r.s;
return os;
}
};
class NullSink:
public ::std::ostream
{
public:
NullSink() {}
};
class TraceLog
{
const char* m_tag;
::std::function<void(::std::ostream&)> m_ret;
public:
TraceLog(const char* tag, ::std::string info, ::std::function<void(::std::ostream&)> ret):
m_tag(tag),
m_ret(ret)
{
DEBUG(" >> " << m_tag << "(" << info << ")");
INDENT();
}
TraceLog(const char* tag, ::std::string info):
m_tag(tag),
m_ret([](const auto&){})
{
DEBUG(" >> " << m_tag << "(" << info << ")");
INDENT();
}
TraceLog(const char* tag):
m_tag(tag),
m_ret([](const auto&){})
{
DEBUG(" >> " << m_tag);
INDENT();
}
~TraceLog() {
UNINDENT();
if(debug_enabled()) {
auto& os = debug_output(g_debug_indent_level, "TraceLog");
os << " << " << m_tag;
m_ret(os);
os << ::std::endl;
}
}
};
#define TRACE_FUNCTION TraceLog _tf_(__func__)
#define TRACE_FUNCTION_F(ss) TraceLog _tf_(__func__, FMT(ss))
#define TRACE_FUNCTION_FR(ss,ss2) TraceLog _tf_(__func__, FMT(ss), [&](::std::ostream&__os){ __os<<"(" << ss2 <<"}";})
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