1 /* 2 * Copyright 2010, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "slang_diagnostic_buffer.h" 18 19 #include "clang/Basic/SourceLocation.h" 20 #include "clang/Basic/SourceManager.h" 21 22 #include "llvm/ADT/SmallString.h" 23 24 #include "slang_assert.h" 25 26 namespace slang { 27 DiagnosticBuffer()28DiagnosticBuffer::DiagnosticBuffer() 29 : mSOS(new llvm::raw_string_ostream(mDiags)) { 30 } 31 ~DiagnosticBuffer()32DiagnosticBuffer::~DiagnosticBuffer() { 33 } 34 HandleDiagnostic(clang::DiagnosticsEngine::Level DiagLevel,clang::Diagnostic const & Info)35void DiagnosticBuffer::HandleDiagnostic( 36 clang::DiagnosticsEngine::Level DiagLevel, 37 clang::Diagnostic const &Info) { 38 clang::SourceLocation const &SrcLoc = Info.getLocation(); 39 40 std::string Message; 41 llvm::raw_string_ostream stream(Message); 42 43 if (SrcLoc.isValid()) { 44 SrcLoc.print(stream, Info.getSourceManager()); 45 stream << ": "; 46 } 47 48 switch (DiagLevel) { 49 case clang::DiagnosticsEngine::Note: { 50 stream << "note: "; 51 break; 52 } 53 case clang::DiagnosticsEngine::Warning: { 54 stream << "warning: "; 55 break; 56 } 57 case clang::DiagnosticsEngine::Error: { 58 stream << "error: "; 59 break; 60 } 61 case clang::DiagnosticsEngine::Fatal: { 62 stream << "fatal: "; 63 break; 64 } 65 default: { 66 slangAssert(0 && "Diagnostic not handled during diagnostic buffering!"); 67 } 68 } 69 // 100 is enough for storing general diagnosis Message 70 llvm::SmallString<100> Buf; 71 Info.FormatDiagnostic(Buf); 72 stream << Buf.str() << '\n'; 73 stream.flush(); 74 75 if (mIncludedMessages.find(Message) == mIncludedMessages.end()) { 76 mIncludedMessages.insert(Message); 77 (*mSOS) << Message; 78 } 79 } 80 81 } // namespace slang 82