73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
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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 "expression.h"
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# include <typeinfo>
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# include <iostream>
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using namespace std;
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int Expression::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 expression! "
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<< "type=" << typeid(*this).name() << " */ ";
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return 1;
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}
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int ExpLogical::emit(ostream&out, Entity*ent, Architecture*arc)
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{
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int errors = 0;
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errors += operand1_->emit(out, ent, arc);
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switch (fun_) {
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case AND:
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out << " & ";
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break;
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case OR:
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out << " | ";
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break;
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case XOR:
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out << " ^ ";
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break;
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case NAND:
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out << " ~& ";
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break;
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case NOR:
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out << " ~| ";
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break;
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case XNOR:
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out << " ~^ ";
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break;
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}
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errors += operand2_->emit(out, ent, arc);
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return errors;
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}
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int ExpName::emit(ostream&out, Entity*, Architecture*)
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{
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int errors = 0;
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out << name_;
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return errors;
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}
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