141 lines
4.1 KiB
C++
141 lines
4.1 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 "sequential.h"
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# include "expression.h"
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# include <iostream>
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# include <typeinfo>
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int SequentialStmt::emit(ostream&out, Entity*, Architecture*)
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{
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out << " // " << get_fileline() << ": internal error: "
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<< "I don't know how to emit this sequential statement! "
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<< "type=" << typeid(*this).name() << endl;
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return 1;
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}
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int IfSequential::emit(ostream&out, Entity*ent, Architecture*arc)
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{
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int errors = 0;
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out << "if (";
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errors += cond_->emit(out, ent, arc);
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out << ") begin" << endl;
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for (list<SequentialStmt*>::iterator cur = if_.begin()
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; cur != if_.end() ; ++cur)
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errors += (*cur)->emit(out, ent, arc);
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for (list<IfSequential::Elsif*>::iterator cur = elsif_.begin()
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; cur != elsif_.end() ; ++cur) {
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out << "end else if (";
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errors += (*cur)->condition_emit(out, ent, arc);
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out << ") begin" << endl;
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errors += (*cur)->statement_emit(out, ent, arc);
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}
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if (! else_.empty()) {
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out << "end else begin" << endl;
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for (list<SequentialStmt*>::iterator cur = else_.begin()
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; cur != else_.end() ; ++cur)
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errors += (*cur)->emit(out, ent, arc);
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}
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out << "end" << endl;
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return errors;
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}
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int IfSequential::Elsif::condition_emit(ostream&out, Entity*ent, Architecture*arc)
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{
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return cond_->emit(out, ent, arc);
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}
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int IfSequential::Elsif::statement_emit(ostream&out, Entity*ent, Architecture*arc)
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{
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int errors = 0;
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for (list<SequentialStmt*>::iterator cur = if_.begin()
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; cur != if_.end() ; ++cur)
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errors += (*cur)->emit(out, ent, arc);
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return errors;
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}
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int SignalSeqAssignment::emit(ostream&out, Entity*ent, Architecture*arc)
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{
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int errors = 0;
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errors += lval_->emit(out, ent, arc);
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if (waveform_.size() != 1) {
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out << "/* Confusing waveform? */;" << endl;
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errors += 1;
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} else {
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Expression*tmp = waveform_.front();
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out << " <= ";
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tmp->emit(out, ent, arc);
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out << ";" << endl;
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}
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return errors;
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}
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int ProcedureCall::emit(ostream&out, Entity*, Architecture*)
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{
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out << " // " << get_fileline() << ": internal error: "
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<< "I don't know how to emit this sequential statement! "
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<< "type=" << typeid(*this).name() << endl;
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return 1;
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}
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int LoopStatement::emit(ostream&out, Entity*entity, Architecture*arc)
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{
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out << " // " << get_fileline() << ": internal error: "
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<< "I don't know how to emit this sequential statement! "
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<< "type=" << typeid(*this).name() << endl;
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return 1;
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}
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int ForLoopStatement::emit(ostream&out, Entity*entity, Architecture*arc)
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{
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out << " // " << get_fileline() << ": internal error: "
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<< "I don't know how to emit this sequential statement! "
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<< "type=" << typeid(*this).name() << endl;
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return 1;
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}
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int WhileLoopStatement::emit(ostream&out, Entity*entity, Architecture*arc)
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{
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out << " // " << get_fileline() << ": internal error: "
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<< "I don't know how to emit this sequential statement! "
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<< "type=" << typeid(*this).name() << endl;
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return 1;
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}
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int BasicLoopStatement::emit(ostream&out, Entity*entity, Architecture*arc)
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{
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out << " // " << get_fileline() << ": internal error: "
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<< "I don't know how to emit this sequential statement! "
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<< "type=" << typeid(*this).name() << endl;
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return 1;
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}
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