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/* valaconstant.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 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 type member with a constant value.
*/
public class Vala.Constant : Member, Lockable {
/**
* The data type of this constant.
*/
public TypeReference! type_reference { get; set; }
/**
* The value of this constant.
*/
public Expression initializer { get; set; }
private string cname;
private bool lock_used = false;
/**
* Creates a new constant.
*
* @param name constant name
* @param type_reference constant type
* @param initializer constant value
* @param source_reference reference to source code
* @return newly created constant
*/
public Constant (construct string! name, construct TypeReference! type_reference, construct Expression initializer, construct SourceReference source_reference) {
}
public override void accept (CodeVisitor! visitor) {
visitor.visit_member (this);
visitor.visit_constant (this);
}
public override void accept_children (CodeVisitor! visitor) {
type_reference.accept (visitor);
if (initializer != null) {
initializer.accept (visitor);
}
}
/**
* Returns the name of this constant as it is used in C code.
*
* @return the name to be used in C code
*/
public string! get_cname () {
if (cname == null) {
if (parent_symbol == null) {
// global constant
cname = name;
} else {
cname = "%s%s".printf (parent_symbol.get_lower_case_cprefix ().up (), name);
}
}
return cname;
}
public bool get_lock_used () {
return lock_used;
}
public void set_lock_used (bool used) {
lock_used = used;
}
}
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