137 lines
3.2 KiB
C++
137 lines
3.2 KiB
C++
/*
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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 "vtype.h"
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# include "expression.h"
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# include <typeinfo>
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# include <cassert>
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using namespace std;
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void VType::write_to_stream(ostream&fd) const
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{
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fd << "/* UNKNOWN TYPE: " << typeid(*this).name() << " */";
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}
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void VType::write_type_to_stream(ostream&fd) const
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{
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write_to_stream(fd);
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}
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void VTypeArray::write_to_stream(ostream&fd) const
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{
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// Special case: std_logic_vector
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if (etype_ == primitive_STDLOGIC) {
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fd << "std_logic_vector";
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if (! ranges_.empty() && ! ranges_[0].is_box()) {
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assert(ranges_.size() < 2);
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fd << " (";
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if (ranges_[0].msb())
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ranges_[0].msb()->write_to_stream(fd);
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else
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fd << "<>";
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fd << " downto ";
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if (ranges_[0].lsb())
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ranges_[0].lsb()->write_to_stream(fd);
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else
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fd << "<>";
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fd << ") ";
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}
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return;
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}
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fd << "array ";
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if (! ranges_.empty()) {
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assert(ranges_.size() < 2);
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if (ranges_[0].is_box()) {
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fd << "(INTEGER range <>) ";
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} else {
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assert(ranges_[0].msb() && ranges_[0].lsb());
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fd << "(";
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if (ranges_[0].msb())
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ranges_[0].msb()->write_to_stream(fd);
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else
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fd << "<>";
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fd << " downto ";
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if (ranges_[0].lsb())
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ranges_[0].lsb()->write_to_stream(fd);
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else
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fd << "<>";
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fd << ") ";
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}
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}
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fd << "of ";
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etype_->write_to_stream(fd);
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}
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void VTypeDef::write_type_to_stream(ostream&fd) const
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{
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type_->write_to_stream(fd);
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}
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void VTypeDef::write_to_stream(ostream&fd) const
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{
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fd << name_;
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}
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void VTypePrimitive::write_to_stream(ostream&fd) const
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{
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switch (type_) {
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case BIT:
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fd << "bit";
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break;
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case INTEGER:
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fd << "integer";
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break;
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case STDLOGIC:
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fd << "std_logic";
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break;
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case BOOLEAN:
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fd << "boolean";
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break;
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default:
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assert(0);
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fd << "/* PRIMITIVE: " << type_ << " */";
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break;
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}
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}
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void VTypeRange::write_to_stream(ostream&fd) const
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{
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base_->write_to_stream(fd);
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fd << " range " << min_ << " to " << max_;
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}
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void VTypeRecord::write_to_stream(ostream&fd) const
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{
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fd << "record ";
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for (size_t idx = 0 ; idx < elements_.size() ; idx += 1) {
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elements_[idx]->write_to_stream(fd);
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fd << "; ";
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}
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fd << "end record";
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}
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void VTypeRecord::element_t::write_to_stream(ostream&fd) const
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{
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fd << name_ << ": ";
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type_->write_to_stream(fd);
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}
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