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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef TOOLS_CLANG_PLUGINS_CHROMECLASSTESTER_H_ | |
| 6 #define TOOLS_CLANG_PLUGINS_CHROMECLASSTESTER_H_ | |
| 7 | |
| 8 #include <set> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "Options.h" | |
| 12 #include "clang/AST/ASTConsumer.h" | |
| 13 #include "clang/AST/TypeLoc.h" | |
| 14 #include "clang/Frontend/CompilerInstance.h" | |
| 15 | |
| 16 // A class on top of ASTConsumer that forwards classes defined in Chromium | |
| 17 // headers to subclasses which implement CheckChromeClass(). | |
| 18 class ChromeClassTester : public clang::ASTConsumer { | |
| 19 public: | |
| 20 ChromeClassTester(clang::CompilerInstance& instance, | |
| 21 const chrome_checker::Options& options); | |
| 22 virtual ~ChromeClassTester(); | |
| 23 | |
| 24 // clang::ASTConsumer: | |
| 25 virtual void HandleTagDeclDefinition(clang::TagDecl* tag); | |
| 26 virtual bool HandleTopLevelDecl(clang::DeclGroupRef group_ref); | |
| 27 | |
| 28 void CheckTag(clang::TagDecl*); | |
| 29 | |
| 30 clang::DiagnosticsEngine::Level getErrorLevel(); | |
| 31 | |
| 32 protected: | |
| 33 clang::CompilerInstance& instance() { return instance_; } | |
| 34 clang::DiagnosticsEngine& diagnostic() { return diagnostic_; } | |
| 35 | |
| 36 // Emits a simple warning; this shouldn't be used if you require printf-style | |
| 37 // printing. | |
| 38 void emitWarning(clang::SourceLocation loc, const char* error); | |
| 39 | |
| 40 // Utility method for subclasses to check if this class is in a banned | |
| 41 // namespace. | |
| 42 bool InBannedNamespace(const clang::Decl* record); | |
| 43 | |
| 44 // Utility method for subclasses to check if the source location is in a | |
| 45 // directory the plugin should ignore. | |
| 46 bool InBannedDirectory(clang::SourceLocation loc); | |
| 47 | |
| 48 // Utility method for subclasses to determine the namespace of the | |
| 49 // specified record, if any. Unnamed namespaces will be identified as | |
| 50 // "<anonymous namespace>". | |
| 51 std::string GetNamespace(const clang::Decl* record); | |
| 52 | |
| 53 // Utility method for subclasses to check if this class is within an | |
| 54 // implementation (.cc, .cpp, .mm) file. | |
| 55 bool InImplementationFile(clang::SourceLocation location); | |
| 56 | |
| 57 // Options. | |
| 58 const chrome_checker::Options options_; | |
| 59 | |
| 60 private: | |
| 61 void BuildBannedLists(); | |
| 62 | |
| 63 // Filtered versions of tags that are only called with things defined in | |
| 64 // chrome header files. | |
| 65 virtual void CheckChromeClass(clang::SourceLocation record_location, | |
| 66 clang::CXXRecordDecl* record) = 0; | |
| 67 | |
| 68 // Filtered versions of enum type that are only called with things defined | |
| 69 // in chrome header files. | |
| 70 virtual void CheckChromeEnum(clang::SourceLocation enum_location, | |
| 71 clang::EnumDecl* enum_decl) { | |
| 72 } | |
| 73 | |
| 74 // Utility methods used for filtering out non-chrome classes (and ones we | |
| 75 // deliberately ignore) in HandleTagDeclDefinition(). | |
| 76 std::string GetNamespaceImpl(const clang::DeclContext* context, | |
| 77 const std::string& candidate); | |
| 78 bool IsIgnoredType(const std::string& base_name); | |
| 79 | |
| 80 // Attempts to determine the filename for the given SourceLocation. | |
| 81 // Returns false if the filename could not be determined. | |
| 82 bool GetFilename(clang::SourceLocation loc, std::string* filename); | |
| 83 | |
| 84 clang::CompilerInstance& instance_; | |
| 85 clang::DiagnosticsEngine& diagnostic_; | |
| 86 | |
| 87 // List of banned namespaces. | |
| 88 std::set<std::string> banned_namespaces_; | |
| 89 | |
| 90 // List of directories allowed even though their parent directories are in | |
| 91 // |banned_directories_|, below. | |
| 92 std::set<std::string> allowed_directories_; | |
| 93 | |
| 94 // List of banned directories. | |
| 95 std::set<std::string> banned_directories_; | |
| 96 | |
| 97 // List of types that we don't check. | |
| 98 std::set<std::string> ignored_record_names_; | |
| 99 | |
| 100 // List of decls to check once the current top-level decl is parsed. | |
| 101 std::vector<clang::TagDecl*> pending_class_decls_; | |
| 102 }; | |
| 103 | |
| 104 #endif // TOOLS_CLANG_PLUGINS_CHROMECLASSTESTER_H_ | |
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