clang API Documentation

TextDiagnosticBuffer.cpp
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00001 //===--- TextDiagnosticBuffer.cpp - Buffer Text Diagnostics ---------------===//
00002 //
00003 //                     The LLVM Compiler Infrastructure
00004 //
00005 // This file is distributed under the University of Illinois Open Source
00006 // License. See LICENSE.TXT for details.
00007 //
00008 //===----------------------------------------------------------------------===//
00009 //
00010 // This is a concrete diagnostic client, which buffers the diagnostic messages.
00011 //
00012 //===----------------------------------------------------------------------===//
00013 
00014 #include "clang/Frontend/TextDiagnosticBuffer.h"
00015 #include "llvm/ADT/SmallString.h"
00016 #include "llvm/Support/ErrorHandling.h"
00017 using namespace clang;
00018 
00019 /// HandleDiagnostic - Store the errors, warnings, and notes that are
00020 /// reported.
00021 ///
00022 void TextDiagnosticBuffer::HandleDiagnostic(DiagnosticsEngine::Level Level,
00023                                             const Diagnostic &Info) {
00024   // Default implementation (Warnings/errors count).
00025   DiagnosticConsumer::HandleDiagnostic(Level, Info);
00026 
00027   SmallString<100> Buf;
00028   Info.FormatDiagnostic(Buf);
00029   switch (Level) {
00030   default: llvm_unreachable(
00031                          "Diagnostic not handled during diagnostic buffering!");
00032   case DiagnosticsEngine::Note:
00033     Notes.push_back(std::make_pair(Info.getLocation(), Buf.str()));
00034     break;
00035   case DiagnosticsEngine::Warning:
00036     Warnings.push_back(std::make_pair(Info.getLocation(), Buf.str()));
00037     break;
00038   case DiagnosticsEngine::Error:
00039   case DiagnosticsEngine::Fatal:
00040     Errors.push_back(std::make_pair(Info.getLocation(), Buf.str()));
00041     break;
00042   }
00043 }
00044 
00045 void TextDiagnosticBuffer::FlushDiagnostics(DiagnosticsEngine &Diags) const {
00046   // FIXME: Flush the diagnostics in order.
00047   for (const_iterator it = err_begin(), ie = err_end(); it != ie; ++it)
00048     Diags.Report(Diags.getCustomDiagID(DiagnosticsEngine::Error,
00049                  it->second.c_str()));
00050   for (const_iterator it = warn_begin(), ie = warn_end(); it != ie; ++it)
00051     Diags.Report(Diags.getCustomDiagID(DiagnosticsEngine::Warning,
00052                  it->second.c_str()));
00053   for (const_iterator it = note_begin(), ie = note_end(); it != ie; ++it)
00054     Diags.Report(Diags.getCustomDiagID(DiagnosticsEngine::Note,
00055                  it->second.c_str()));
00056 }
00057 
00058 DiagnosticConsumer *TextDiagnosticBuffer::clone(DiagnosticsEngine &) const {
00059   return new TextDiagnosticBuffer();
00060 }