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/*
* Copyright (c) 2011 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
* General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
# include "expression.h"
Expression::Expression()
{
}
Expression::~Expression()
{
}
bool Expression::evaluate(int64_t&) const
{
return false;
}
ExpBinary::ExpBinary(Expression*op1, Expression*op2)
: operand1_(op1), operand2_(op2)
{
}
ExpBinary::~ExpBinary()
{
delete operand1_;
delete operand2_;
}
ExpUnary::ExpUnary(Expression*op1)
: operand1_(op1)
{
}
ExpUnary::~ExpUnary()
{
delete operand1_;
}
ExpArithmetic::ExpArithmetic(ExpArithmetic::fun_t op, Expression*op1, Expression*op2)
: ExpBinary(op1, op2), fun_(op)
{
}
ExpArithmetic::~ExpArithmetic()
{
}
ExpInteger::ExpInteger(int64_t val)
: value_(val)
{
}
ExpInteger::~ExpInteger()
{
}
bool ExpInteger::evaluate(int64_t&val) const
{
val = value_;
return true;
}
ExpLogical::ExpLogical(ExpLogical::fun_t ty, Expression*op1, Expression*op2)
: ExpBinary(op1, op2), fun_(ty)
{
}
ExpLogical::~ExpLogical()
{
}
ExpName::ExpName(perm_string nn)
: name_(nn), index_(0)
{
}
ExpName::ExpName(perm_string nn, Expression*ix)
: name_(nn), index_(ix)
{
}
ExpName::~ExpName()
{
delete index_;
}
const char* ExpName::name() const
{
return name_;
}
ExpUAbs::ExpUAbs(Expression*op1)
: ExpUnary(op1)
{
}
ExpUAbs::~ExpUAbs()
{
}
ExpUNot::ExpUNot(Expression*op1)
: ExpUnary(op1)
{
}
ExpUNot::~ExpUNot()
{
}