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funccall.h

// Verilog Behavioral Simulator
// Copyright (C) 1995-1997,2001,2002 Lay Hoon Tho, Jimen Ching
//
// This file is part of the Verilog Behavioral Simulator package.
// See the file COPYRIGHT for copyright and disclaimer information.
// See the file COPYING for the licensing terms and conditions.
// See the file CONTRIBUTORS for a list of contributing authors.
//
// funccall.h

#ifndef _FUNCCALL_H
#define _FUNCCALL_H

#include "common/ptr.h"
#include "common/hash.h"
#include "expr/exprbase.h"

class function_call : public expr_base
      {
      friend struct monitor_expr;
      friend struct evaluate_expr;
      friend struct setup_expr;
      friend struct trigger_expr;
      friend struct write_expr;

      friend struct evaluate_st_node;

public:
      typedef hash_value hash_type;
      typedef expr_base expr_type;
      typedef basic_ptr<expr_type> arg_type;
      typedef list_type<arg_type> arg_list;

      function_call(const char *, arg_list * = 0);
      function_call(const function_call &);
      ~function_call();

      const hash_type &index() const
            { return _index; }
      function_call *get_function_call();

      function_call *copy_constructor() const;
      ostream_type &display(ostream_type &) const;
      void write(const write_type &) const;
      bool monitor(const monitor_type &) const;
      const num_type &evaluate(const evaluate_type &) const;
      size_type setup(const setup_type &);
      void trigger(const trigger_type &);

private:
      hash_type _index; // Index of function into symbol table.
      str_type _name;
      arg_list *_argument;
      };

#endif // _FUNCCALL_H

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