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117 lines
3.1 KiB
C++
117 lines
3.1 KiB
C++
//===-- logger.cpp --------------------------------------------------------===//
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//
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// LDC – the LLVM D compiler
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//
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// This file is distributed under the BSD-style LDC license. See the LICENSE
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// file for details.
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//
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//===----------------------------------------------------------------------===//
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#include "gen/logger.h"
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#include "dmd/errors.h"
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#include "gen/irstate.h"
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#include "llvm/IR/GlobalValue.h"
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#include "llvm/IR/Value.h"
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#include "llvm/Support/Casting.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/raw_os_ostream.h"
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#include <cassert>
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#include <cstdarg>
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#include <cstdio>
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#include <cstdlib>
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#include <fstream>
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#include <iostream>
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#include <string>
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void Stream::writeType(std::ostream &OS, const llvm::Type &Ty) {
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llvm::raw_os_ostream raw(OS);
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Ty.print(raw);
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}
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void Stream::writeValue(std::ostream &OS, const llvm::Value &V) {
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// Constants don't always get their types pretty-printed.
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// (Only treat non-global constants like this, so that e.g. global variables
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// still get their initializers printed)
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llvm::raw_os_ostream raw(OS);
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if (llvm::isa<llvm::Constant>(V) && !llvm::isa<llvm::GlobalValue>(V)) {
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V.printAsOperand(raw, true, &gIR->module);
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} else {
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V.print(raw);
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}
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}
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// This variable is pulled out of the Logger namespace to work around D bug 15576.
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// https://issues.dlang.org/show_bug.cgi?id=15576
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bool _Logger_enabled;
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namespace Logger {
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static std::string indent_str;
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static llvm::cl::opt<bool, true>
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enabledopt("vv", llvm::cl::desc("Print front-end/glue code debug log"),
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llvm::cl::location(_Logger_enabled), llvm::cl::ZeroOrMore);
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void indent() {
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if (_Logger_enabled) {
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indent_str += "* ";
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}
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}
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void undent() {
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if (_Logger_enabled) {
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assert(!indent_str.empty());
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indent_str.resize(indent_str.size() - 2);
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}
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}
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Stream cout() {
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if (_Logger_enabled) {
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return Stream(std::cout << indent_str);
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}
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return Stream(nullptr);
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}
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#if defined(_MSC_VER)
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static inline void search_and_replace(std::string &str, const std::string &what,
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const std::string &replacement) {
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assert(!what.empty());
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size_t pos = str.find(what);
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while (pos != std::string::npos) {
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str.replace(pos, what.size(), replacement);
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pos = str.find(what, pos + replacement.size());
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}
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}
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#define WORKAROUND_C99_SPECIFIERS_BUG(f) \
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std::string tmp = f; \
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search_and_replace(tmp, std::string("%z"), std::string("%I")); \
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f = tmp.c_str();
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#else
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#define WORKAROUND_C99_SPECIFIERS_BUG(f)
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#endif
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void printIndentation() { printf("%s", indent_str.c_str()); }
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void println(const char *fmt, ...) {
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if (_Logger_enabled) {
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printf("%s", indent_str.c_str());
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va_list va;
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va_start(va, fmt);
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WORKAROUND_C99_SPECIFIERS_BUG(fmt);
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vprintf(fmt, va);
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va_end(va);
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printf("\n");
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}
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}
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void print(const char *fmt, ...) {
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if (_Logger_enabled) {
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printf("%s", indent_str.c_str());
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va_list va;
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va_start(va, fmt);
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WORKAROUND_C99_SPECIFIERS_BUG(fmt);
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vprintf(fmt, va);
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va_end(va);
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}
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}
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}
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