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			49 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			49 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
#ifndef COMPILER_DISCARDPARSER_H_INCLUDED
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#define COMPILER_DISCARDPARSER_H_INCLUDED
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#include "parser.hpp"
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#include "tokenloc.hpp"
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namespace Compiler
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{
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    /// \brief Parse a single optional numeric value or string and discard it
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    class DiscardParser : public Parser
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    {
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        enum State
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        {
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            StartState,
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            MinusState
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        };
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        State mState;
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        TokenLoc mTokenLoc;
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    public:
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        DiscardParser(ErrorHandler& errorHandler, const Context& context);
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        bool parseInt(int value, const TokenLoc& loc, Scanner& scanner) override;
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        ///< Handle an int token.
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        /// \return fetch another token?
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        bool parseFloat(float value, const TokenLoc& loc, Scanner& scanner) override;
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        ///< Handle a float token.
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        /// \return fetch another token?
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        bool parseName(const std::string& name, const TokenLoc& loc, Scanner& scanner) override;
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        ///< Handle a name token.
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        /// \return fetch another token?
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        bool parseSpecial(int code, const TokenLoc& loc, Scanner& scanner) override;
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        ///< Handle a special character token.
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        /// \return fetch another token?
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        void reset() override;
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        ///< Reset parser to clean state.
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        /// Returns TokenLoc object for value. If no value has been parsed, the TokenLoc
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        /// object will be default initialised.
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        const TokenLoc& getTokenLoc() const;
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    };
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}
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#endif
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