Mercurial > projects > ldc
view gen/logger.c @ 85:f869c636a113 trunk
[svn r89] Fixed a bunch of problems with template instance across multiple modules.
Fixed initialization of function local static variables, with a non const initializer (now happens on first call using a global to make sure it only happens once.)
author | lindquist |
---|---|
date | Fri, 02 Nov 2007 06:32:32 +0100 |
parents | 27b2f40bdb58 |
children |
line wrap: on
line source
#include <cassert> #include <cstdarg> #include <cstdio> #include <cstdlib> #include <iostream> #include <fstream> #include <string> #include "gen/logger.h" namespace Logger { static std::string indent_str; static std::ofstream null_out("/dev/null"); static bool enabled = false; void indent() { if (enabled) indent_str += " "; } void undent() { if (enabled) { assert(!indent_str.empty()); indent_str.resize(indent_str.size()-2); } } std::ostream& cout() { if (enabled) return std::cout << indent_str; else return null_out; } void println(const char* fmt,...) { if (enabled) { printf(indent_str.c_str()); va_list va; va_start(va,fmt); vprintf(fmt,va); va_end(va); printf("\n"); } } void print(const char* fmt,...) { if (enabled) { printf(indent_str.c_str()); va_list va; va_start(va,fmt); vprintf(fmt,va); va_end(va); } } void enable() { enabled = true; } void disable() { enabled = false; } }