1 //===--- TextDiagnosticBuffer.cpp - Buffer Text Diagnostics ---------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This is a concrete diagnostic client, which buffers the diagnostic messages. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "clang/Frontend/TextDiagnosticBuffer.h" 15 #include "llvm/ADT/SmallString.h" 16 #include "llvm/Support/ErrorHandling.h" 17 using namespace clang; 18 19 /// HandleDiagnostic - Store the errors, warnings, and notes that are 20 /// reported. 21 /// 22 void TextDiagnosticBuffer::HandleDiagnostic(DiagnosticsEngine::Level Level, 23 const Diagnostic &Info) { 24 // Default implementation (Warnings/errors count). 25 DiagnosticConsumer::HandleDiagnostic(Level, Info); 26 27 SmallString<100> Buf; 28 Info.FormatDiagnostic(Buf); 29 switch (Level) { 30 default: llvm_unreachable( 31 "Diagnostic not handled during diagnostic buffering!"); 32 case DiagnosticsEngine::Note: 33 Notes.push_back(std::make_pair(Info.getLocation(), Buf.str())); 34 break; 35 case DiagnosticsEngine::Warning: 36 Warnings.push_back(std::make_pair(Info.getLocation(), Buf.str())); 37 break; 38 case DiagnosticsEngine::Error: 39 case DiagnosticsEngine::Fatal: 40 Errors.push_back(std::make_pair(Info.getLocation(), Buf.str())); 41 break; 42 } 43 } 44 45 /// \brief Escape diagnostic texts to avoid problems when they are fed into the 46 /// diagnostic formatter a second time. 47 static StringRef escapeDiag(StringRef Str, SmallVectorImpl<char> &Buf) { 48 size_t Pos = Str.find('%'); 49 if (Pos == StringRef::npos) 50 return Str; 51 52 // We found a '%'. Replace this and all following '%' with '%%'. 53 Buf.clear(); 54 Buf.append(Str.data(), Str.data() + Pos); 55 for (size_t I = Pos, E = Str.size(); I != E; ++I) { 56 if (Str[I] == '%') 57 Buf.push_back('%'); 58 Buf.push_back(Str[I]); 59 } 60 61 return StringRef(Buf.data(), Buf.size()); 62 } 63 64 void TextDiagnosticBuffer::FlushDiagnostics(DiagnosticsEngine &Diags) const { 65 SmallVector<char, 64> Buf; 66 // FIXME: Flush the diagnostics in order. 67 for (const_iterator it = err_begin(), ie = err_end(); it != ie; ++it) 68 Diags.Report(Diags.getCustomDiagID(DiagnosticsEngine::Error, 69 escapeDiag(it->second, Buf))); 70 for (const_iterator it = warn_begin(), ie = warn_end(); it != ie; ++it) 71 Diags.Report(Diags.getCustomDiagID(DiagnosticsEngine::Warning, 72 escapeDiag(it->second, Buf))); 73 for (const_iterator it = note_begin(), ie = note_end(); it != ie; ++it) 74 Diags.Report(Diags.getCustomDiagID(DiagnosticsEngine::Note, 75 escapeDiag(it->second, Buf))); 76 } 77 78
