Mercurial > projects > ldc
view gen/logger.cpp @ 314:8d98e42ece93 trunk
[svn r335] The basics of exception handling are in place.
Still need to make sure calls are turned into invokes everywhere. (NewExpression for instance)
Still some rough edges and corner cases to figure out.
Needs testing!
author | ChristianK |
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date | Wed, 02 Jul 2008 22:20:18 +0200 |
parents | b604c56945b0 |
children | 661384d6a936 |
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#include <cassert> #include <cstdarg> #include <cstdio> #include <cstdlib> #include <iostream> #include <fstream> #include <string> #include "mars.h" #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; } bool enabled() { return _enabled; } void attention(const Loc& loc, const char* fmt,...) { printf("Warning: %s: ", loc.toChars()); va_list va; va_start(va,fmt); vprintf(fmt,va); va_end(va); printf("\n"); } }