tokenScan.hpp

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#pragma once
 
#include "core/worker/tokenScanable.hpp"
 
typedef union YYSTYPE YYSTYPE;
typedef struct lloc YYLTYPE;
typedef void* yyscan_t;
 
namespace by {
 
    class parser;
    class tokenDispatcher;
 
    class _nout tokenScan: public tokenScanable, public typeProvidable, public clonable {
        BY(ADT(tokenScan))
 
    public:
        using tokenScanable::onScan;
        virtual nint onScan(parser& ps, YYSTYPE* yylval, YYLTYPE* loc, yyscan_t yyscanner,
            nbool& isBypass) override;
 
    private:
        nbool _useSmartDedent;
    };
 
    class _nout normalScan: public tokenScan {
        BY(CLASS(normalScan, tokenScan))
        friend class parser;
 
    public:
        using super::onScan;
        nint onScan(parser& ps, YYSTYPE* yylval, YYLTYPE* loc, yyscan_t yyscanner,
            nbool& isBypass) override;
 
    private:
        static normalScan* _instance;
    };
 
    class _nout indentScan: public tokenScan {
        BY(CLASS(indentScan, tokenScan))
        friend class parser;
 
    public:
        using super::onScan;
        nint onScan(parser& ps, YYSTYPE* yylval, YYLTYPE* loc, yyscan_t yyscanner,
            nbool& isBypass) override;
 
    private:
        nint _onIndent(parser& ev, ncnt col, nint tok);
        nint _onDedent(parser& ev, ncnt col, nint tok);
 
    private:
        static indentScan* _instance;
    };
} // namespace by