80 lines
2.0 KiB
C++
80 lines
2.0 KiB
C++
#ifndef __vtype_H
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#define __vtype_H
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/*
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* Copyright (c) 2011 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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# include <map>
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# include "StringHeap.h"
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class VType {
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public:
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VType() { }
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virtual ~VType() =0;
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};
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/*
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* The global_types variable maps type names to a type
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* definition. This is after the "use" statements bring in the types
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* in included packages.
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*/
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extern std::map<perm_string, const VType*> global_types;
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extern void preload_global_types(void);
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/*
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* This class represents the primative types that are available to the
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* type subsystem.
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*/
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class VTypePrimitive : public VType {
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public:
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enum type_t { BOOLEAN, BIT, INTEGER, STDLOGIC };
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public:
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VTypePrimitive(type_t);
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~VTypePrimitive();
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type_t type() const { return type_; }
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private:
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type_t type_;
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};
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extern const VTypePrimitive primitive_BOOLEAN;
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extern const VTypePrimitive primitive_BIT;
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extern const VTypePrimitive primitive_INTEGER;
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extern const VTypePrimitive primitive_STDLOGIC;
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class VTypeArray : public VType {
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public:
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VTypeArray(size_t dimensions, VType*etype);
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~VTypeArray();
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size_t dimensions() const;
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VType* element_type() const;
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private:
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size_t dimensions_;
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VType*etype_;
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};
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#endif
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