1 // Copyright (C) 2016 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #include "dumper/frontend_action.h" 16 17 #include "dumper/ast_processing.h" 18 #include "dumper/diagnostic_consumer.h" 19 #include "dumper/fake_decl_source.h" 20 #include "repr/ir_representation.h" 21 #include "utils/header_abi_util.h" 22 23 #include <clang/AST/ASTConsumer.h> 24 #include <clang/Frontend/CompilerInstance.h> 25 #include <clang/Lex/Preprocessor.h> 26 27 #include <llvm/ADT/STLExtras.h> 28 29 30 namespace header_checker { 31 namespace dumper { 32 33 HeaderCheckerFrontendAction(HeaderCheckerOptions & options)34HeaderCheckerFrontendAction::HeaderCheckerFrontendAction( 35 HeaderCheckerOptions &options) 36 : options_(options) {} 37 38 std::unique_ptr<clang::ASTConsumer> CreateASTConsumer(clang::CompilerInstance & ci,llvm::StringRef header_file)39HeaderCheckerFrontendAction::CreateASTConsumer(clang::CompilerInstance &ci, 40 llvm::StringRef header_file) { 41 // Create AST consumers. 42 return llvm::make_unique<HeaderASTConsumer>(&ci, options_); 43 } 44 BeginInvocation(clang::CompilerInstance & ci)45bool HeaderCheckerFrontendAction::BeginInvocation(clang::CompilerInstance &ci) { 46 if (options_.suppress_errors_) { 47 ci.getFrontendOpts().SkipFunctionBodies = true; 48 clang::DiagnosticsEngine &diagnostics = ci.getDiagnostics(); 49 diagnostics.setClient( 50 new HeaderCheckerDiagnosticConsumer(diagnostics.takeClient()), 51 /* ShouldOwnClient */ true); 52 } 53 return true; 54 } 55 BeginSourceFileAction(clang::CompilerInstance & ci)56bool HeaderCheckerFrontendAction::BeginSourceFileAction( 57 clang::CompilerInstance &ci) { 58 if (options_.suppress_errors_) { 59 ci.setExternalSemaSource(new FakeDeclSource(ci)); 60 ci.getPreprocessor().SetSuppressIncludeNotFoundError(true); 61 } 62 return true; 63 } 64 65 66 } // dumper 67 } // header_checker 68