forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			73 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
//===--- QueryParser.h - clang-query ----------------------------*- C++ -*-===//
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//
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//                     The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_QUERY_QUERY_PARSER_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_QUERY_QUERY_PARSER_H
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#include "Query.h"
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#include "QuerySession.h"
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#include "llvm/LineEditor/LineEditor.h"
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#include <stddef.h>
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namespace clang {
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namespace query {
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class QuerySession;
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class QueryParser {
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public:
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  /// Parse \a Line as a query.
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  ///
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  /// \return A QueryRef representing the query, which may be an InvalidQuery.
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  static QueryRef parse(StringRef Line, const QuerySession &QS);
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  /// Compute a list of completions for \a Line assuming a cursor at
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  /// \param Pos characters past the start of \a Line, ordered from most
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  /// likely to least likely.
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  ///
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  /// \return A vector of completions for \a Line.
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  static std::vector<llvm::LineEditor::Completion>
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  complete(StringRef Line, size_t Pos, const QuerySession &QS);
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private:
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  QueryParser(StringRef Line, const QuerySession &QS)
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      : Begin(Line.begin()), End(Line.end()),
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        CompletionPos(nullptr), QS(QS) {}
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  StringRef lexWord();
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  template <typename T> struct LexOrCompleteWord;
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  template <typename T> LexOrCompleteWord<T> lexOrCompleteWord(StringRef &Str);
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  QueryRef parseSetBool(bool QuerySession::*Var);
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  QueryRef parseSetOutputKind();
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  QueryRef completeMatcherExpression();
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  QueryRef endQuery(QueryRef Q);
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  /// \brief Parse [\p Begin,\p End).
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  ///
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  /// \return A reference to the parsed query object, which may be an
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  /// \c InvalidQuery if a parse error occurs.
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  QueryRef doParse();
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  const char *Begin;
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  const char *End;
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  const char *CompletionPos;
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  std::vector<llvm::LineEditor::Completion> Completions;
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  const QuerySession &QS;
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};
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} // namespace query
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} // namespace clang
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#endif
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