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106 lines
4.0 KiB
C++
106 lines
4.0 KiB
C++
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#ifndef COMMENTSAVER_HH
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#define COMMENTSAVER_HH
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#include <map>
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#include <set>
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#include <vector>
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#include "clang/Lex/Preprocessor.h"
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#include "clang/Frontend/CompilerInstance.h"
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#include "HeaderSearchDirs.hh"
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/**
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This class is passed to the clang preprocessor as a comment handler. The class
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saves the source locations of each comment found. Comments may be retrived by
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file name and line number.
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@author Alexander S. Lin
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@date July 2012
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*/
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class CommentSaver : public clang::CommentHandler {
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public:
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CommentSaver( clang::CompilerInstance & in_ci , HeaderSearchDirs & in_hsd ) ;
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/** Called by the PreProcessor when a comment is parsed. HandleComment saves
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the comment indexed by file name and line number in the comment map
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@param PP = the preprocessor (unused)
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@param source_range = the bounding line and column of the comment
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@param always false
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*/
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virtual bool HandleComment(clang::Preprocessor &PP, clang::SourceRange source_range) ;
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/** Retrieves comments out of the comment map. Returns the full comment string
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@param sr = clang::SourceRange type marking comment location.
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@return std::string the last comment starting on that line, or empty string if none found
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*/
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std::string getComment( clang::SourceRange sr ) ;
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/** Retrieves comments out of the comment map. Returns the full comment string
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@param file_name = File name to search
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@param line_no = line number to search
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@return std::string the last comment starting on that line, or empty string if none found
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*/
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std::string getComment( std::string file_name , unsigned int line_no ) ;
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/** Searches all comments found within the file_name parameter for a Trick header comment
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@param file_name = File name to search
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@return std::string a comment that matches the Trick header comment format
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*/
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std::string getTrickHeaderComment( std::string file_name ) ;
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/** sets the flags for hasICGNo and hasICGNoComment
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@param file_name = File name to search
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*/
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void getICGField( std::string file_name ) ;
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/** Searches the Trick header comment for the ICG:(No) entry.
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@param file_name = File name to search
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@return true = ICG:(No) was found.
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*/
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bool hasICGNo( std::string file_name ) ;
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/** Searches the Trick header comment for the ICG:(NoComment) entry.
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@param file_name = File name to search
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@return true = ICG:(NoComment) was found.
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*/
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bool hasICGNoComment( std::string file_name ) ;
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/** Searches the Trick header comment for the ICG_EXCLUDE_TYPES field
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@param file_name = File name to search
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@return set of strings that list the type names to ignore.
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*/
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std::set< std::string > getIgnoreTypes( std::string file_name ) ;
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/** Returns a vector of library dependencies from the Trick comment
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@param file_name = File name to search
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@return vector of library dependency strings
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*/
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std::vector< std::string > getLibraryDependencies( std::string file_name ) ;
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private:
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/** The compiler's source manager. Holds file/line info for everything. */
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clang::CompilerInstance & ci ;
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HeaderSearchDirs & hsd ;
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/** Map of file name to ICG: (No) found */
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std::map < std::string , bool > icg_no_found ;
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/** Map of file name to ICG: (NoComment) found */
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std::map < std::string , bool > icg_no_comment_found ;
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/** All comments source locations indexed by file name then line number */
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std::map < std::string , std::map < unsigned int , clang::SourceRange > > comment_map ;
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/** Store Trick header comments so we don't have to look them up over and over */
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std::map < std::string , std::string > trick_header_comments ;
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} ;
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#endif
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