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/* valaerrorcode.vala
*
* Copyright (C) 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 an error value member in the source code.
*/
public class Vala.ErrorCode : TypeSymbol {
/**
* Specifies the numerical representation of this enum value.
*/
public Expression? value {
get { return _value; }
set {
_value = value;
if (_value != null) {
_value.parent_node = this;
}
}
}
/**
* Refers to the enum value of this error code for direct access.
*/
public Constant code {
get {
return _code;
}
private set {
_code = value;
if (_code != null) {
_code.owner = owner;
}
}
}
/**
* The nick of this error code
*/
public string nick {
get {
if (_nick == null) {
_nick = get_attribute_string ("Description", "nick");
if (_nick == null) {
_nick = name.down ().replace ("_", "-");
}
}
return _nick;
}
}
private Expression _value;
private Constant _code;
private string? _nick = null;
/**
* Creates a new enum value.
*
* @param name enum value name
* @return newly created enum value
*/
public ErrorCode (string name, SourceReference? source_reference = null, Comment? comment = null) {
base (name, source_reference, comment);
}
/**
* Creates a new enum value with the specified numerical representation.
*
* @param name enum value name
* @param value numerical representation
* @return newly created enum value
*/
public ErrorCode.with_value (string name, Expression value, SourceReference? source_reference = null) {
this (name, source_reference);
this.value = value;
}
public override void accept (CodeVisitor visitor) {
visitor.visit_error_code (this);
}
public override void accept_children (CodeVisitor visitor) {
if (value != null) {
value.accept (visitor);
}
}
public override bool check (CodeContext context) {
if (checked) {
return !error;
}
checked = true;
if (value != null) {
value.check (context);
}
code = new Constant (name, context.analyzer.int_type.copy (), null, source_reference, comment);
code.external = true;
code.check (context);
return !error;
}
}
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