ldc/gen/logger.cpp
Martin 60d676e2a1 Drop support for LLVM < 3.5
This allows to clean up the code a little.
2015-10-30 22:24:05 +01:00

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//===-- logger.cpp --------------------------------------------------------===//
//
// LDC the LLVM D compiler
//
// This file is distributed under the BSD-style LDC license. See the LICENSE
// file for details.
//
//===----------------------------------------------------------------------===//
#include "mars.h"
#include "llvm/Support/CommandLine.h"
#include <cassert>
#include <cstdarg>
#include <cstdio>
#include <cstdlib>
#include <fstream>
#include <iostream>
#include <string>
#include "llvm/IR/GlobalValue.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/raw_os_ostream.h"
#include "llvm/IR/Value.h"
#include "gen/logger.h"
#include "gen/irstate.h"
void Stream::writeType(std::ostream& OS, const llvm::Type& Ty) {
llvm::raw_os_ostream raw(OS);
Ty.print(raw);
}
void Stream::writeValue(std::ostream& OS, const llvm::Value& V) {
// Constants don't always get their types pretty-printed.
// (Only treat non-global constants like this, so that e.g. global variables
// still get their initializers printed)
llvm::raw_os_ostream raw(OS);
if (llvm::isa<llvm::Constant>(V) && !llvm::isa<llvm::GlobalValue>(V))
V.printAsOperand(raw, true, &gIR->module);
else
V.print(raw);
}
namespace Logger
{
static std::string indent_str;
bool _enabled;
static llvm::cl::opt<bool, true> enabledopt("vv",
llvm::cl::desc("Print front-end/glue code debug log"),
llvm::cl::location(_enabled),
llvm::cl::ZeroOrMore);
void indent()
{
if (_enabled) {
indent_str += "* ";
}
}
void undent()
{
if (_enabled) {
assert(!indent_str.empty());
indent_str.resize(indent_str.size()-2);
}
}
Stream cout()
{
if (_enabled)
return std::cout << indent_str;
else
return 0;
}
#if defined(_MSC_VER)
static inline void
search_and_replace(std::string& str, const std::string& what, const std::string& replacement)
{
assert(!what.empty());
size_t pos = str.find(what);
while (pos != std::string::npos)
{
str.replace(pos, what.size(), replacement);
pos = str.find(what, pos + replacement.size());
}
}
#define WORKAROUND_C99_SPECIFIERS_BUG(f) \
std::string tmp = f; \
search_and_replace(tmp, std::string("%z"), std::string("%I")); \
f = tmp.c_str();
#else
#define WORKAROUND_C99_SPECIFIERS_BUG(f)
#endif
void println(const char* fmt,...)
{
if (_enabled) {
printf("%s", indent_str.c_str());
va_list va;
va_start(va,fmt);
WORKAROUND_C99_SPECIFIERS_BUG(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);
WORKAROUND_C99_SPECIFIERS_BUG(fmt);
vprintf(fmt,va);
va_end(va);
}
}
void attention(Loc& loc, const char* fmt,...)
{
va_list va;
va_start(va,fmt);
vwarning(loc,fmt,va);
va_end(va);
}
}