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//===--- TextDiagnosticBuffer.cpp - Buffer Text Diagnostics ---------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This is a concrete diagnostic client, which buffers the diagnostic messages.
//
//===----------------------------------------------------------------------===//
#include "clang/Frontend/TextDiagnosticBuffer.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/ErrorHandling.h"
using namespace clang;
/// HandleDiagnostic - Store the errors, warnings, and notes that are
/// reported.
///
void TextDiagnosticBuffer::HandleDiagnostic(DiagnosticsEngine::Level Level,
const Diagnostic &Info) {
// Default implementation (Warnings/errors count).
DiagnosticConsumer::HandleDiagnostic(Level, Info);
SmallString<100> Buf;
Info.FormatDiagnostic(Buf);
switch (Level) {
default: llvm_unreachable(
"Diagnostic not handled during diagnostic buffering!");
case DiagnosticsEngine::Note:
Notes.push_back(std::make_pair(Info.getLocation(), Buf.str()));
break;
case DiagnosticsEngine::Warning:
Warnings.push_back(std::make_pair(Info.getLocation(), Buf.str()));
break;
case DiagnosticsEngine::Error:
case DiagnosticsEngine::Fatal:
Errors.push_back(std::make_pair(Info.getLocation(), Buf.str()));
break;
}
}
/// \brief Escape diagnostic texts to avoid problems when they are fed into the
/// diagnostic formatter a second time.
static StringRef escapeDiag(StringRef Str, SmallVectorImpl<char> &Buf) {
size_t Pos = Str.find('%');
if (Pos == StringRef::npos)
return Str;
// We found a '%'. Replace this and all following '%' with '%%'.
Buf.clear();
Buf.append(Str.data(), Str.data() + Pos);
for (size_t I = Pos, E = Str.size(); I != E; ++I) {
if (Str[I] == '%')
Buf.push_back('%');
Buf.push_back(Str[I]);
}
return StringRef(Buf.data(), Buf.size());
}
void TextDiagnosticBuffer::FlushDiagnostics(DiagnosticsEngine &Diags) const {
SmallVector<char, 64> Buf;
// FIXME: Flush the diagnostics in order.
for (const_iterator it = err_begin(), ie = err_end(); it != ie; ++it)
Diags.Report(Diags.getCustomDiagID(DiagnosticsEngine::Error,
escapeDiag(it->second, Buf)));
for (const_iterator it = warn_begin(), ie = warn_end(); it != ie; ++it)
Diags.Report(Diags.getCustomDiagID(DiagnosticsEngine::Warning,
escapeDiag(it->second, Buf)));
for (const_iterator it = note_begin(), ie = note_end(); it != ie; ++it)
Diags.Report(Diags.getCustomDiagID(DiagnosticsEngine::Note,
escapeDiag(it->second, Buf)));
}
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