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//===- lib/DebugInfo/Symbolize/DIPrinter.cpp ------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the DIPrinter class, which is responsible for printing
// structures defined in DebugInfo/DIContext.h
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/Symbolize/DIPrinter.h"
#include "llvm/DebugInfo/DIContext.h"
namespace llvm {
namespace symbolize {
// By default, DILineInfo contains "<invalid>" for function/filename it
// cannot fetch. We replace it to "??" to make our output closer to addr2line.
static const char kDILineInfoBadString[] = "<invalid>";
static const char kBadString[] = "??";
void DIPrinter::printName(const DILineInfo &Info, bool Inlined) {
if (PrintFunctionNames) {
std::string FunctionName = Info.FunctionName;
if (FunctionName == kDILineInfoBadString)
FunctionName = kBadString;
StringRef Delimiter = (PrintPretty == true) ? " at " : "\n";
StringRef Prefix = (PrintPretty && Inlined) ? " (inlined by) " : "";
OS << Prefix << FunctionName << Delimiter;
}
std::string Filename = Info.FileName;
if (Filename == kDILineInfoBadString)
Filename = kBadString;
OS << Filename << ":" << Info.Line << ":" << Info.Column << "\n";
}
DIPrinter &DIPrinter::operator<<(const DILineInfo &Info) {
printName(Info, false);
return *this;
}
DIPrinter &DIPrinter::operator<<(const DIInliningInfo &Info) {
uint32_t FramesNum = Info.getNumberOfFrames();
if (FramesNum == 0) {
printName(DILineInfo(), false);
return *this;
}
for (uint32_t i = 0; i < FramesNum; i++)
printName(Info.getFrame(i), i > 0);
return *this;
}
DIPrinter &DIPrinter::operator<<(const DIGlobal &Global) {
std::string Name = Global.Name;
if (Name == kDILineInfoBadString)
Name = kBadString;
OS << Name << "\n";
OS << Global.Start << " " << Global.Size << "\n";
return *this;
}
}
}
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