Punctuation_event.h

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#ifndef PUNCTUATION_EVENT_H_
#define PUNCTUATION_EVENT_H_

#include "semantics/Syntactic_event.h"
#include <iosfwd>

namespace semantics
{

class Punctuation_event : public Syntactic_event
{
public:

    /*------------------------------------------------------------
     * CONSTRUCTORS AND DESTRUCTOR
     *------------------------------------------------------------*/
    
    Punctuation_event(int id) : Syntactic_event(id, false) {}

    /*------------------------------------------------------------
     * ACCESSORS
     *------------------------------------------------------------*/

    const Token_map::Key_type& data_as_word(
        const Token_map::Key_type&
        ) const
    {
        return dummy;
    }
    
    const Token_map::Key_type& data_as_nonterminal(
        const Token_map::Key_type&
        ) const
    {
        return dummy;
    }

    /*------------------------------------------------------------
     * MANIPULATORS
     *------------------------------------------------------------*/
    
    void update_semantics(const Semantic_data_base::Hash_pair&){}

    void resample_table_assignments() {}

    /*------------------------------------------------------------
     * COMPUTATION
     *------------------------------------------------------------*/
    
    double log_probability(const bool&) const {return 0.0;};

    Event_ptr get_a_copy(bool) const {return Event_ptr(new Punctuation_event(0));}

    /*------------------------------------------------------------
     * DISPLAY
     *------------------------------------------------------------*/
    
    void print(std::ostream& os) const {os << dummy;}

    void print_semantics(std::ostream&) const {}

    void print_view_counts(std::ostream&) const {}

    void print_with_links(std::ostream& os) const
    {
        os << data_as_nonterminal("");
    }

    void print_constituency_tree_with_head(std::ostream& os) const
    {
        print_child_constituency_trees(os);
    }

private:
    const Key_slots::Map& var_map() const
    {
        return PCC2_traits::variable_map;
    }

    void update_event_views(){}
    static const Token_map::Key_type dummy;
};

};

#endif