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/* valaccodeexpressionstatement.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 C code statement that evaluates a given expression.
*/
public class Vala.CCodeExpressionStatement : CCodeStatement {
/**
* The expression to evaluate.
*/
public CCodeExpression expression { get; set; }
public CCodeExpressionStatement (CCodeExpression expr) {
expression = expr;
}
public override void write (CCodeWriter writer) {
if (expression is CCodeCommaExpression) {
// expand comma expression into multiple statements
// to improve code readability
var ccomma = expression as CCodeCommaExpression;
foreach (CCodeExpression expr in ccomma.get_inner ()) {
write_expression (writer, expr);
}
} else if (expression is CCodeParenthesizedExpression) {
var cpar = expression as CCodeParenthesizedExpression;
write_expression (writer, cpar.inner);
} else {
write_expression (writer, expression);
}
}
private void write_expression (CCodeWriter writer, CCodeExpression? expr) {
writer.write_indent (line);
if (expr != null) {
expr.write (writer);
}
writer.write_string (";");
writer.write_newline ();
}
}
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