Line data    Source code

       1              : /* valaccodeexpressionstatement.vala
       2              :  *
       3              :  * Copyright (C) 2006-2008  Jürg Billeter
       4              :  *
       5              :  * This library is free software; you can redistribute it and/or
       6              :  * modify it under the terms of the GNU Lesser General Public
       7              :  * License as published by the Free Software Foundation; either
       8              :  * version 2.1 of the License, or (at your option) any later version.
       9              : 
      10              :  * This library is distributed in the hope that it will be useful,
      11              :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      12              :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13              :  * Lesser General Public License for more details.
      14              : 
      15              :  * You should have received a copy of the GNU Lesser General Public
      16              :  * License along with this library; if not, write to the Free Software
      17              :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
      18              :  *
      19              :  * Author:
      20              :  *      Jürg Billeter <j@bitron.ch>
      21              :  */
      22              : 
      23              : using GLib;
      24              : 
      25              : /**
      26              :  * Represents a C code statement that evaluates a given expression.
      27              :  */
      28       123707 : public class Vala.CCodeExpressionStatement : CCodeStatement {
      29              :         /**
      30              :          * The expression to evaluate.
      31              :          */
      32       245812 :         public CCodeExpression expression { get; set; }
      33              : 
      34       368466 :         public CCodeExpressionStatement (CCodeExpression expr) {
      35       122822 :                 expression = expr;
      36              :         }
      37              : 
      38       119033 :         public override void write (CCodeWriter writer) {
      39       119201 :                 if (expression is CCodeCommaExpression) {
      40              :                         // expand comma expression into multiple statements
      41              :                         // to improve code readability
      42          336 :                         var ccomma = expression as CCodeCommaExpression;
      43              : 
      44         1488 :                         foreach (CCodeExpression expr in ccomma.get_inner ()) {
      45          660 :                                 write_expression (writer, expr);
      46              :                         }
      47       118865 :                 } else if (expression is CCodeParenthesizedExpression) {
      48            0 :                         var cpar = expression as CCodeParenthesizedExpression;
      49              : 
      50            0 :                         write_expression (writer, cpar.inner);
      51              :                 } else {
      52       118865 :                         write_expression (writer, expression);
      53              :                 }
      54              :         }
      55              : 
      56       119525 :         private void write_expression (CCodeWriter writer, CCodeExpression? expr) {
      57       119525 :                 writer.write_indent (line);
      58       119525 :                 if (expr != null) {
      59       119525 :                         expr.write (writer);
      60              :                 }
      61       119525 :                 writer.write_string (";");
      62       119525 :                 writer.write_newline ();
      63              :         }
      64              : }