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/* valalambdaexpression.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;
using Gee;
/**
* Represents a lambda expression in the source code. Lambda expressions are
* anonymous methods with implicitly typed parameters.
*/
public class Vala.LambdaExpression : Expression {
/**
* The expression body of this lambda expression. Only one of
* expression_body or statement_body may be set.
*/
public Expression expression_body { get; set; }
/**
* The statement body of this lambda expression. Only one of
* expression_body or statement_body may be set.
*/
public Block statement_body { get; set; }
/**
* The generated method.
*/
public Method method { get; set; }
private Gee.List<string> parameters = new ArrayList<string> ();
/**
* Creates a new lambda expression.
*
* @param expression_body expression body
* @param source_reference reference to source code
* @return newly created lambda expression
*/
public LambdaExpression (construct Expression! expression_body, construct SourceReference source_reference) {
}
/**
* Creates a new lambda expression with statement body.
*
* @param statement_body statement body
* @param source_reference reference to source code
* @return newly created lambda expression
*/
public LambdaExpression.with_statement_body (construct Block! statement_body, construct SourceReference source_reference) {
}
/**
* Appends implicitly typed parameter.
*
* @param param parameter name
*/
public void add_parameter (string! param) {
parameters.add (param);
}
/**
* Returns copy of parameter list.
*
* @return parameter list
*/
public Collection<string> get_parameters () {
return new ReadOnlyCollection<string> (parameters);
}
public override void accept (CodeVisitor! visitor) {
visitor.visit_lambda_expression (this);
}
public override void accept_children (CodeVisitor! visitor) {
if (method == null) {
if (expression_body != null) {
expression_body.accept (visitor);
visitor.visit_end_full_expression (expression_body);
} else if (statement_body != null) {
statement_body.accept (visitor);
}
} else {
method.accept (visitor);
}
}
}
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