The Tor Browser: media/webrtc/trunk/tools/clang/plugins/ChromeClassTester.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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.

     5 #ifndef TOOLS_CLANG_PLUGINS_CHROMECLASSTESTER_H_

     6 #define TOOLS_CLANG_PLUGINS_CHROMECLASSTESTER_H_

     8 #include <set>

     9 #include <vector>

    11 #include "clang/AST/ASTConsumer.h"

    12 #include "clang/AST/TypeLoc.h"

    13 #include "clang/Frontend/CompilerInstance.h"

    15 // A class on top of ASTConsumer that forwards classes defined in Chromium

    16 // headers to subclasses which implement CheckChromeClass().

    17 class ChromeClassTester : public clang::ASTConsumer {

    18  public:

    19   explicit ChromeClassTester(clang::CompilerInstance& instance);

    20   virtual ~ChromeClassTester();

    22   // clang::ASTConsumer:

    23   virtual void HandleTagDeclDefinition(clang::TagDecl* tag);

    24   virtual bool HandleTopLevelDecl(clang::DeclGroupRef group_ref);

    26  protected:

    27   clang::CompilerInstance& instance() { return instance_; }

    28   clang::DiagnosticsEngine& diagnostic() { return diagnostic_; }

    30   // Emits a simple warning; this shouldn't be used if you require printf-style

    31   // printing.

    32   void emitWarning(clang::SourceLocation loc, const char* error);

    34   // Utility method for subclasses to check if this class is in a banned

    35   // namespace.

    36   bool InBannedNamespace(const clang::Decl* record);

    38   // Utility method for subclasses to determine the namespace of the

    39   // specified record, if any. Unnamed namespaces will be identified as

    40   // "<anonymous namespace>".

    41   std::string GetNamespace(const clang::Decl* record);

    43   // Utility method for subclasses to check if this class is within an

    44   // implementation (.cc, .cpp, .mm) file.

    45   bool InImplementationFile(clang::SourceLocation location);

    47  private:

    48   void BuildBannedLists();

    50   void CheckTag(clang::TagDecl*);

    52   // Filtered versions of tags that are only called with things defined in

    53   // chrome header files.

    54   virtual void CheckChromeClass(clang::SourceLocation record_location,

    55                                 clang::CXXRecordDecl* record) = 0;

    57   // Utility methods used for filtering out non-chrome classes (and ones we

    58   // deliberately ignore) in HandleTagDeclDefinition().

    59   std::string GetNamespaceImpl(const clang::DeclContext* context,

    60                                const std::string& candidate);

    61   bool InBannedDirectory(clang::SourceLocation loc);

    62   bool IsIgnoredType(const std::string& base_name);

    64   // Attempts to determine the filename for the given SourceLocation.

    65   // Returns false if the filename could not be determined.

    66   bool GetFilename(clang::SourceLocation loc, std::string* filename);

    68   clang::CompilerInstance& instance_;

    69   clang::DiagnosticsEngine& diagnostic_;

    71   // List of banned namespaces.

    72   std::vector<std::string> banned_namespaces_;

    74   // List of banned directories.

    75   std::vector<std::string> banned_directories_;

    77   // List of types that we don't check.

    78   std::set<std::string> ignored_record_names_;

    80   // List of decls to check once the current top-level decl is parsed.

    81   std::vector<clang::TagDecl*> pending_class_decls_;

    82 };

    84 #endif  // TOOLS_CLANG_PLUGINS_CHROMECLASSTESTER_H_

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