1 //===- TextDiagnosticBuffer.cpp - Buffer Text Diagnostics -----------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This is a concrete diagnostic client, which buffers the diagnostic messages. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "clang/Frontend/TextDiagnosticBuffer.h" 14 #include "clang/Basic/Diagnostic.h" 15 #include "clang/Basic/LLVM.h" 16 #include "llvm/ADT/SmallString.h" 17 #include "llvm/Support/ErrorHandling.h" 18 19 using namespace clang; 20 21 /// HandleDiagnostic - Store the errors, warnings, and notes that are 22 /// reported. 23 void TextDiagnosticBuffer::HandleDiagnostic(DiagnosticsEngine::Level Level, 24 const Diagnostic &Info) { 25 // Default implementation (Warnings/errors count). 26 DiagnosticConsumer::HandleDiagnostic(Level, Info); 27 28 SmallString<100> Buf; 29 Info.FormatDiagnostic(Buf); 30 switch (Level) { 31 default: llvm_unreachable( 32 "Diagnostic not handled during diagnostic buffering!"); 33 case DiagnosticsEngine::Note: 34 All.emplace_back(Level, Notes.size()); 35 Notes.emplace_back(Info.getLocation(), std::string(Buf.str())); 36 break; 37 case DiagnosticsEngine::Warning: 38 All.emplace_back(Level, Warnings.size()); 39 Warnings.emplace_back(Info.getLocation(), std::string(Buf.str())); 40 break; 41 case DiagnosticsEngine::Remark: 42 All.emplace_back(Level, Remarks.size()); 43 Remarks.emplace_back(Info.getLocation(), std::string(Buf.str())); 44 break; 45 case DiagnosticsEngine::Error: 46 case DiagnosticsEngine::Fatal: 47 All.emplace_back(Level, Errors.size()); 48 Errors.emplace_back(Info.getLocation(), std::string(Buf.str())); 49 break; 50 } 51 } 52 53 void TextDiagnosticBuffer::FlushDiagnostics(DiagnosticsEngine &Diags) const { 54 for (const auto &I : All) { 55 auto Diag = Diags.Report(Diags.getCustomDiagID(I.first, "%0")); 56 switch (I.first) { 57 default: llvm_unreachable( 58 "Diagnostic not handled during diagnostic flushing!"); 59 case DiagnosticsEngine::Note: 60 Diag << Notes[I.second].second; 61 break; 62 case DiagnosticsEngine::Warning: 63 Diag << Warnings[I.second].second; 64 break; 65 case DiagnosticsEngine::Remark: 66 Diag << Remarks[I.second].second; 67 break; 68 case DiagnosticsEngine::Error: 69 case DiagnosticsEngine::Fatal: 70 Diag << Errors[I.second].second; 71 break; 72 } 73 } 74 } 75