Mercurial > projects > ldc
view gen/logger.cpp @ 896:fcab41e144c9
Makes sure only function definitions inside templates get weak linkage, llvm doesn't allow weak linkage on just declarations, so we use external linkage for those. Fixes #162
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Thu, 22 Jan 2009 17:26:50 +0100 |
parents | 661384d6a936 |
children | a8cb25d478c4 |
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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("%s", 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("%s", 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"); } }