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/* valapostfixexpression.vala
*
* Copyright (C) 2006-2008 Jürg Billeter
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author:
* Jürg Billeter <j@bitron.ch>
*/
using GLib;
/**
* Represents a postfix increment or decrement expression.
*/
public class Vala.PostfixExpression : Expression {
/**
* The operand, must be a variable or a property.
*/
public Expression inner { get; set; }
/**
* Specifies whether value should be incremented or decremented.
*/
public bool increment { get; set; }
/**
* Creates a new postfix expression.
*
* @param inner operand expression
* @param inc true for increment, false for decrement
* @param source reference to source code
* @return newly created postfix expression
*/
public PostfixExpression (Expression _inner, bool inc, SourceReference source) {
inner = _inner;
increment = inc;
source_reference = source;
}
public override void accept (CodeVisitor visitor) {
inner.accept (visitor);
visitor.visit_postfix_expression (this);
visitor.visit_expression (this);
}
public override bool is_pure () {
return false;
}
public override bool check (SemanticAnalyzer analyzer) {
if (checked) {
return !error;
}
checked = true;
inner.check (analyzer);
value_type = inner.value_type;
return !error;
}
}
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