//===- TextDiagnosticPrinter.cpp ------------------------------------------===//
//
// The MCLinker Project
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include <mcld/LD/TextDiagnosticPrinter.h>
#include <mcld/MC/MCLDInfo.h>
#include <llvm/Support/Signals.h>
#include <string>
using namespace mcld;
static const enum llvm::raw_ostream::Colors UnreachableColor = llvm::raw_ostream::RED;
static const enum llvm::raw_ostream::Colors FatalColor = llvm::raw_ostream::YELLOW;
static const enum llvm::raw_ostream::Colors ErrorColor = llvm::raw_ostream::RED;
static const enum llvm::raw_ostream::Colors WarningColor = llvm::raw_ostream::MAGENTA;
static const enum llvm::raw_ostream::Colors DebugColor = llvm::raw_ostream::CYAN;
static const enum llvm::raw_ostream::Colors NoteColor = llvm::raw_ostream::GREEN;
static const enum llvm::raw_ostream::Colors IgnoreColor = llvm::raw_ostream::BLUE;
// Used for changing only the bold attribute.
static const enum llvm::raw_ostream::Colors SavedColor = llvm::raw_ostream::SAVEDCOLOR;
//===----------------------------------------------------------------------===//
// TextDiagnosticPrinter
TextDiagnosticPrinter::TextDiagnosticPrinter(llvm::raw_ostream& pOStream,
const MCLDInfo& pLDInfo)
: m_OStream(pOStream), m_LDInfo(pLDInfo), m_pInput(NULL) {
}
TextDiagnosticPrinter::~TextDiagnosticPrinter()
{
}
/// HandleDiagnostic - Handle this diagnostic, reporting it to the user or
/// capturing it to a log as needed.
void
TextDiagnosticPrinter::handleDiagnostic(DiagnosticEngine::Severity pSeverity,
const Diagnostic& pInfo)
{
DiagnosticPrinter::handleDiagnostic(pSeverity, pInfo);
std::string out_string;
pInfo.format(out_string);
switch (pSeverity) {
case DiagnosticEngine::Unreachable: {
m_OStream.changeColor(UnreachableColor, true);
m_OStream << "Unreachable: ";
m_OStream.resetColor();
m_OStream << out_string << "\n";
break;
}
case DiagnosticEngine::Fatal: {
m_OStream.changeColor(FatalColor, true);
m_OStream << "Fatal: ";
m_OStream.resetColor();
m_OStream << out_string << "\n";
break;
}
case DiagnosticEngine::Error: {
m_OStream.changeColor(ErrorColor, true);
m_OStream << "Error: ";
m_OStream.resetColor();
m_OStream << out_string << "\n";
break;
}
case DiagnosticEngine::Warning: {
m_OStream.changeColor(WarningColor, true);
m_OStream << "Warning: ";
m_OStream.resetColor();
m_OStream << out_string << "\n";
break;
}
case DiagnosticEngine::Debug: {
// show debug message only if verbose >= 0
if (0 <= m_LDInfo.options().verbose()) {
m_OStream.changeColor(DebugColor, true);
m_OStream << "Debug: ";
m_OStream.resetColor();
m_OStream << out_string << "\n";
}
break;
}
case DiagnosticEngine::Note: {
// show ignored message only if verbose >= 1
if (1 <= m_LDInfo.options().verbose()) {
m_OStream.changeColor(NoteColor, true);
m_OStream << "Note: ";
m_OStream.resetColor();
m_OStream << out_string << "\n";
}
break;
}
case DiagnosticEngine::Ignore: {
// show ignored message only if verbose >= 2
if (2 <= m_LDInfo.options().verbose()) {
m_OStream.changeColor(IgnoreColor, true);
m_OStream << "Ignore: ";
m_OStream.resetColor();
m_OStream << out_string << "\n";
}
break;
}
default:
break;
}
switch (pSeverity) {
case DiagnosticEngine::Unreachable: {
m_OStream << "\n\n";
m_OStream.changeColor(llvm::raw_ostream::YELLOW);
m_OStream << "You encounter a bug of MCLinker, please report to:\n"
<< " mclinker@googlegroups.com\n";
m_OStream.resetColor();
}
/** fall through **/
case DiagnosticEngine::Fatal: {
// If we reached here, we are failing ungracefully. Run the interrupt handlers
// to make sure any special cleanups get done, in particular that we remove
// files registered with RemoveFileOnSignal.
llvm::sys::RunInterruptHandlers();
exit(1);
break;
}
case DiagnosticEngine::Error: {
int16_t error_limit = m_LDInfo.options().maxErrorNum();
if ((error_limit != -1) &&
(getNumErrors() > static_cast<unsigned>(error_limit))) {
m_OStream << "\n\n";
m_OStream.changeColor(llvm::raw_ostream::YELLOW);
m_OStream << "too many error messages (>" << error_limit << ")...\n";
m_OStream.resetColor();
llvm::sys::RunInterruptHandlers();
exit(1);
}
break;
}
case DiagnosticEngine::Warning: {
int16_t warning_limit = m_LDInfo.options().maxWarnNum();
if ((warning_limit != -1) &&
(getNumWarnings() > static_cast<unsigned>(warning_limit))) {
m_OStream << "\n\n";
m_OStream.changeColor(llvm::raw_ostream::YELLOW);
m_OStream << "too many warning messages (>" << warning_limit << ")...\n";
m_OStream.resetColor();
llvm::sys::RunInterruptHandlers();
exit(1);
}
}
default:
break;
}
}
void TextDiagnosticPrinter::beginInput(const Input& pInput, const MCLDInfo& pLDInfo)
{
m_pInput = &pInput;
}
void TextDiagnosticPrinter::endInput()
{
m_pInput = NULL;
}