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/* valaccodevariabledeclarator.vala

 *

 * Copyright (C) 2006-2009  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 variable declarator in the C code.

 */

public class Vala.CCodeVariableDeclarator : CCodeDeclarator {

        /**

         * The variable name.

         */

        public string name { get; set; }

        

        /**

         * The optional initializer expression.

         */

        public CCodeExpression? initializer { get; set; }

 

        /**

         * The optional declarator suffix.

         */

        public string? declarator_suffix { get; set; }

 

        /**

         * Initializer only used to zero memory, safe to initialize as part

         * of declaration at beginning of block instead of separate assignment.

         */

        public bool init0 { get; set; }

 

        public CCodeVariableDeclarator (string name, CCodeExpression? initializer = null, string? declarator_suffix = null) {

                this.name = name;

                this.initializer = initializer;

                this.declarator_suffix = declarator_suffix;

        }

 

        public CCodeVariableDeclarator.zero (string name, CCodeExpression? initializer, string? declarator_suffix = null) {

                this.name = name;

                this.initializer = initializer;

                this.declarator_suffix = declarator_suffix;

                this.init0 = true;

        }

 

        public override void write (CCodeWriter writer) {

                writer.write_string (name);

                if (declarator_suffix != null) {

                        writer.write_string (declarator_suffix);

                }

 

                if (initializer != null) {

                        writer.write_string (" = ");

                        initializer.write (writer);

                }

        }

 

        public override void write_declaration (CCodeWriter writer) {

                writer.write_string (name);

                if (declarator_suffix != null) {

                        writer.write_string (declarator_suffix);

                }

 

                if (initializer != null && init0) {

                        writer.write_string (" = ");

                        initializer.write (writer);

                }

        }

 

        public override void write_initialization (CCodeWriter writer) {

                if (initializer != null && !init0) {

                        writer.write_indent (line);

 

                        writer.write_string (name);

                        writer.write_string (" = ");

                        initializer.write (writer);

 

                        writer.write_string (";");

                        writer.write_newline ();

                }

        }

}