leafTokenScan.hpp

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#pragma once
 
#include "leaf/parser/leafTokenScanable.hpp"
 
typedef union ZZSTYPE ZZSTYPE;
typedef struct lloc ZZLTYPE;
typedef void* zzscan_t;
 
namespace by {
 
    class leafParser;
    class leafTokenDispatcher;
 
    class _nout leafTokenScan: public leafTokenScanable {
        BY(ME(leafTokenScan))
 
    public:
        using leafTokenScanable::onScan;
        virtual nint onScan(leafParser& ps, ZZSTYPE* yylval, ZZLTYPE* loc, zzscan_t yyscanner,
            nbool& isBypass) override;
    };
 
    class _nout leafNormalScan: public leafTokenScan {
        BY(ME(leafNormalScan, leafTokenScan))
        friend class leafParser;
 
    public:
        using super::onScan;
        nint onScan(leafParser& ps, ZZSTYPE* yylval, ZZLTYPE* loc, zzscan_t yyscanner,
            nbool& isBypass) override;
 
    private:
        static leafNormalScan* _instance;
    };
 
    class _nout leafIndentScan: public leafTokenScan {
        BY(ME(leafIndentScan, leafTokenScan))
        friend class leafParser;
 
    public:
        using super::onScan;
        nint onScan(leafParser& ps, ZZSTYPE* yylval, ZZLTYPE* loc, zzscan_t yyscanner,
            nbool& isBypass) override;
 
    private:
        nint _onIndent(leafParser& ev, ncnt col, nint tok);
        nint _onDedent(leafParser& ev, ncnt col, nint tok);
 
    private:
        static leafIndentScan* _instance;
    };
} // namespace by