109 lines
3.5 KiB
C++
109 lines
3.5 KiB
C++
#ifndef IVL_netvector_H
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#define IVL_netvector_H
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/*
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* Copyright (c) 2012-2014 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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# include "nettypes.h"
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# include "ivl_target.h"
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# include <vector>
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class netvector_t : public ivl_type_s {
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public:
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explicit netvector_t(const netranges_t&packed, ivl_variable_type_t type);
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// special case: there is a single packed dimension and we
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// know it in the form [<msb>:<lsb>]. This step saves me
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// creating a netrange_t for this single item.
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explicit netvector_t(ivl_variable_type_t type, long msb, long lsb,
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bool signed_flag =false);
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// Special case: scalar object--no packed dimensions at all.
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explicit netvector_t(ivl_variable_type_t type);
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~netvector_t();
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// Vectors can be interpreted as signed or unsigned when
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// handled as vectors.
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inline void set_signed(bool flag) { signed_ = flag; }
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inline bool get_signed(void) const { return signed_; }
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inline void set_isint(bool flag) { isint_ = flag; }
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inline bool get_isint(void) const { return isint_; }
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inline bool get_scalar(void) const { return packed_dims_.empty(); }
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void set_implicit(bool implicit) { implicit_ = implicit; }
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bool get_implicit() const { return implicit_; }
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ivl_variable_type_t base_type() const;
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const netranges_t&packed_dims() const;
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bool packed(void) const;
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long packed_width() const;
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netranges_t slice_dimensions() const;
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std::ostream& debug_dump(std::ostream&) const;
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public:
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// Some commonly used predefined types
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static netvector_t atom2s64;
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static netvector_t atom2u64;
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static netvector_t atom2s32;
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static netvector_t atom2u32;
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static netvector_t atom2s16;
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static netvector_t atom2u16;
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static netvector_t atom2s8;
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static netvector_t atom2u8;
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static netvector_t time_signed;
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static netvector_t time_unsigned;
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static netvector_t scalar_bool;
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static netvector_t scalar_logic;
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static const netvector_t*integer_type(bool is_signed = true);
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private:
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bool test_compatibility(ivl_type_t that) const;
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bool test_equivalence(ivl_type_t that) const;
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private:
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netranges_t packed_dims_;
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ivl_variable_type_t type_;
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bool signed_ : 1;
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bool isint_ : 1; // original type of integer
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bool implicit_ : 1;
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};
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inline netvector_t::netvector_t(const netranges_t &pd,
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ivl_variable_type_t type)
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: packed_dims_(pd), type_(type), signed_(false), isint_(false), implicit_(false)
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{
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}
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inline const netranges_t& netvector_t::packed_dims() const
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{
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return packed_dims_;
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}
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inline static std::ostream& operator << (std::ostream&out, const netvector_t&obj)
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{
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return obj.debug_dump(out);
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}
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#endif /* IVL_netvector_H */
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