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/* valaccodeforstatement.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 for iteration statement in the C code.
*/
public class Vala.CCodeForStatement : CCodeStatement {
/**
* The loop condition.
*/
public CCodeExpression? condition { get; set; }
/**
* The loop body.
*/
public CCodeStatement body { get; set; }
private List<CCodeExpression> initializer = new ArrayList<CCodeExpression> ();
private List<CCodeExpression> iterator = new ArrayList<CCodeExpression> ();
public CCodeForStatement (CCodeExpression? condition, CCodeStatement? body = null) {
this.condition = condition;
this.body = body;
}
/**
* Appends the specified expression to the list of initializers.
*
* @param expr an initializer expression
*/
public void add_initializer (CCodeExpression expr) {
initializer.add (expr);
}
/**
* Appends the specified expression to the iterator.
*
* @param expr an iterator expression
*/
public void add_iterator (CCodeExpression expr) {
iterator.add (expr);
}
public override void write (CCodeWriter writer) {
bool first;
writer.write_indent (line);
writer.write_string ("for (");
first = true;
foreach (CCodeExpression init_expr in initializer) {
if (!first) {
writer.write_string (", ");
} else {
first = false;
}
if (init_expr != null) {
init_expr.write (writer);
}
}
writer.write_string ("; ");
if (condition != null) {
condition.write (writer);
}
writer.write_string ("; ");
first = true;
foreach (CCodeExpression it_expr in iterator) {
if (!first) {
writer.write_string (", ");
} else {
first = false;
}
if (it_expr != null) {
it_expr.write (writer);
}
}
writer.write_string (")");
body.write (writer);
}
}
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