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58 lines
2.5 KiB
C++
58 lines
2.5 KiB
C++
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#include <vector>
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#include <string>
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#include "clang/Frontend/CompilerInstance.h"
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#include "clang/Lex/PPCallbacks.h"
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#include "HeaderSearchDirs.hh"
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/*
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FindTrickICG searches preprocessor directives #if/#elif/#ifdef/#ifndef to see if they use TRICK_ICG
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If they do reference TRICK_ICG we need to mark the stack of incude files that include the TRICK_ICG.
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We also print a warning to the screen where the TRICK_ICG was found.
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*/
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class FindTrickICG : public clang::PPCallbacks {
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public:
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FindTrickICG(clang::CompilerInstance & in_ci , HeaderSearchDirs & in_hsd , bool in_print_msgs ) ;
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// called when the file changes for a variety of reasons.
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virtual void FileChanged(clang::SourceLocation Loc, FileChangeReason Reason,
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clang::SrcMgr::CharacteristicKind FileType,
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clang::FileID PrevFID = clang::FileID()) ;
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// callbacks called when the preprocessor directives of types are processed.
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#if (LIBCLANG_MAJOR > 3) || ((LIBCLANG_MAJOR == 3) && (LIBCLANG_MINOR >= 5))
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virtual void If(clang::SourceLocation Loc, clang::SourceRange ConditionRange, clang::PPCallbacks::ConditionValueKind ConditionValue) ;
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virtual void ElIf(clang::SourceLocation Loc, clang::SourceRange ConditionRange, clang::PPCallbacks::ConditionValueKind ConditionValue) ;
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#else
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virtual void If(clang::SourceLocation Loc, clang::SourceRange ConditionRange, bool ConditionValue) ;
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virtual void ElIf(clang::SourceLocation Loc, clang::SourceRange ConditionRange, bool ConditionValue) ;
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#endif
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#if (LIBCLANG_MAJOR > 3) || ((LIBCLANG_MAJOR == 3) && (LIBCLANG_MINOR >= 7))
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virtual void Ifdef(clang::SourceLocation Loc, const clang::Token &MacroNameTok, const clang::MacroDefinition &MD) ;
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virtual void Ifndef(clang::SourceLocation Loc, const clang::Token &MacroNameTok, const clang::MacroDefinition &MD) ;
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#else
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virtual void Ifdef(clang::SourceLocation Loc, const clang::Token &MacroNameTok, const clang::MacroDirective *MD) ;
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virtual void Ifndef(clang::SourceLocation Loc, const clang::Token &MacroNameTok, const clang::MacroDirective *MD) ;
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#endif
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// print a warning about using TRICK_ICG.
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void print_header() ;
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private:
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// compiler instance to help locating file names
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clang::CompilerInstance & ci ;
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HeaderSearchDirs & hsd ;
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// Are we printing warning messages?
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bool print_msgs ;
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// Have we printed the big warning about TRICK_ICG?
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bool header_printed ;
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// Using a vector as a stack to hold the stack of included headers we have entered.
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std::vector<std::string> included_files ;
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} ;
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