text: //===--- 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.emplace_back(Info.getLocation(), Buf.str());
      break;
    case DiagnosticsEngine::Warning:
      Warnings.emplace_back(Info.getLocation(), Buf.str());
      break;
    case DiagnosticsEngine::Remark:
      Remarks.emplace_back(Info.getLocation(), Buf.str());
      break;
    case DiagnosticsEngine::Error:
    case DiagnosticsEngine::Fatal:
      Errors.emplace_back(Info.getLocation(), Buf.str());
      break;
    }
  }
  
  void TextDiagnosticBuffer::FlushDiagnostics(DiagnosticsEngine &Diags) const {
    // FIXME: Flush the diagnostics in order.
    for (const_iterator it = err_begin(), ie = err_end(); it != ie; ++it)
      Diags.Report(Diags.getCustomDiagID(DiagnosticsEngine::Error, "%0"))
          << it->second;
    for (const_iterator it = warn_begin(), ie = warn_end(); it != ie; ++it)
      Diags.Report(Diags.getCustomDiagID(DiagnosticsEngine::Warning, "%0"))
          << it->second;
    for (const_iterator it = remark_begin(), ie = remark_end(); it != ie; ++it)
      Diags.Report(Diags.getCustomDiagID(DiagnosticsEngine::Remark, "%0"))
          << it->second;
    for (const_iterator it = note_begin(), ie = note_end(); it != ie; ++it)
      Diags.Report(Diags.getCustomDiagID(DiagnosticsEngine::Note, "%0"))
          << it->second;
  }
  
  