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/* valacastexpression.vala
*
* Copyright (C) 2006-2007 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 type cast in the source code.
*/
public class Vala.CastExpression : Expression {
/**
* The expression to be cast.
*/
public Expression! inner {
get {
return _inner;
}
set construct {
_inner = value;
_inner.parent_node = this;
}
}
/**
* The target type.
*/
public TypeReference! type_reference { get; set construct; }
/**
* Checked casts return NULL instead of raising an error.
*/
public bool is_silent_cast { get; set construct; }
private Expression! _inner;
/**
* Creates a new cast expression.
*
* @param inner expression to be cast
* @param type target type
* @return newly created cast expression
*/
public CastExpression (construct Expression! inner, construct TypeReference! type_reference, construct SourceReference source_reference, construct bool is_silent_cast) {
}
public override void accept (CodeVisitor! visitor) {
inner.accept (visitor);
type_reference.accept (visitor);
visitor.visit_cast_expression (this);
}
public override void replace (CodeNode! old_node, CodeNode! new_node) {
if (inner == old_node) {
inner = (Expression) new_node;
}
}
public override bool is_pure () {
return inner.is_pure ();
}
}
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