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JVerbs.hpp
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JVerbs.hpp
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#ifndef JVERBS_HPP
#define JVERBS_HPP
#include "JExceptions.hpp"
#include "JNoun.hpp"
#include "JMachine.hpp"
#include "utils.hpp"
#include <cassert>
#include <algorithm>
#include <boost/optional.hpp>
namespace J {
class Dyad {
int lrank, rrank;
public:
typedef shared_ptr<Dyad> Ptr;
virtual ~Dyad() {};
Dyad(int lrank, int rrank): lrank(lrank), rrank(rrank) {}
int get_lrank() const { return lrank; }
int get_rrank() const { return rrank; }
virtual JNoun::Ptr operator()(JMachine::Ptr m, const JNoun& larg, const JNoun& rarg) const = 0;
};
class Monad {
int rank;
public:
typedef shared_ptr<Monad> Ptr;
virtual ~Monad() {}
Monad(int rank): rank(rank) {}
int get_rank() const { return rank;}
virtual JNoun::Ptr operator()(JMachine::Ptr m, const JNoun& arg) const = 0;
};
class JVerb: public JWord {
shared_ptr<Monad> monad;
shared_ptr<Dyad> dyad;
public:
typedef shared_ptr<JVerb> Ptr;
virtual ~JVerb() {}
JVerb(Monad::Ptr monad, Dyad::Ptr dyad):
JWord(grammar_class_verb), monad(monad), dyad(dyad) {}
JNoun::Ptr operator()(shared_ptr<JMachine> m, const JNoun& larg, const JNoun& rarg) const {
return (*dyad)(m, larg, rarg);
}
JNoun::Ptr operator()(shared_ptr<JMachine> m, const JNoun& arg) const {
return (*monad)(m, arg);
}
int get_dyad_lrank() const { return dyad->get_lrank(); }
int get_dyad_rrank() const { return dyad->get_rrank(); }
int get_monad_rank() const { return monad->get_rank(); }
string to_string() const;
virtual JNoun::Ptr unit(const Dimensions&) const {
throw JNoUnitException();
}
};
}
#endif