Goose  Artifact [b62bd3bd35]

Artifact b62bd3bd35b28617f15da8252948b06f893c7d02f103aa40dd73c17ba67798d0:

• File bs/lex/tokenprovider.h — part of check-in [5ea9869c62] at 2019-02-01 18:34:21 on branch trunk — Lexer:
  • added TokenProvider interface.
  • added an adapter for a vector of saved tokens as an alternative token provider.
  (user: achavasse size: 380)

#ifndef EMPATHY_LEX_TOKENPROVIDER_H
#define EMPATHY_LEX_TOKENPROVIDER_H

namespace empathy::lex
{
    class TokenProvider
    {
        public:
            virtual ~TokenProvider() {}

            virtual bool eos() const = 0;

            virtual optional< ir::Term > consume() = 0;
            virtual optional< ir::Term > lookAhead( size_t distance = 0 ) = 0;
    };
}

#endif