TextDiagnosticBuffer.cpp

//===- TextDiagnosticBuffer.cpp - Buffer Text Diagnostics -----------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This is a concrete diagnostic client, which buffers the diagnostic messages.
//
//===----------------------------------------------------------------------===//

#include"clang/Frontend/TextDiagnosticBuffer.h"
#include"clang/Basic/Diagnostic.h"
#include"clang/Basic/LLVM.h"
#include"llvm/ADT/SmallString.h"
#include"llvm/Support/ErrorHandling.h"

usingnamespaceclang;

/// HandleDiagnostic - Store the errors, warnings, and notes that are
/// reported.
voidTextDiagnosticBuffer::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:
 All.emplace_back(Level, Notes.size());
 Notes.emplace_back(Info.getLocation(), std::string(Buf.str()));
break;
case DiagnosticsEngine::Warning:
 All.emplace_back(Level, Warnings.size());
 Warnings.emplace_back(Info.getLocation(), std::string(Buf.str()));
break;
case DiagnosticsEngine::Remark:
 All.emplace_back(Level, Remarks.size());
 Remarks.emplace_back(Info.getLocation(), std::string(Buf.str()));
break;
case DiagnosticsEngine::Error:
case DiagnosticsEngine::Fatal:
 All.emplace_back(Level, Errors.size());
 Errors.emplace_back(Info.getLocation(), std::string(Buf.str()));
break;
 }
}

voidTextDiagnosticBuffer::FlushDiagnostics(DiagnosticsEngine &Diags) const {
for (constauto &I : All) {
auto Diag = Diags.Report(Diags.getCustomDiagID(I.first, "%0"));
switch (I.first) {
default: llvm_unreachable(
"Diagnostic not handled during diagnostic flushing!");
case DiagnosticsEngine::Note:
 Diag << Notes[I.second].second;
break;
case DiagnosticsEngine::Warning:
 Diag << Warnings[I.second].second;
break;
case DiagnosticsEngine::Remark:
 Diag << Remarks[I.second].second;
break;
case DiagnosticsEngine::Error:
case DiagnosticsEngine::Fatal:
 Diag << Errors[I.second].second;
break;
 }
 }
}