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/* parameter.vala
*
* Copyright (C) 2008-2011 Florian Brosch
*
* 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:
* Florian Brosch <flo.brosch@gmail.com>
*/
using Valadoc.Content;
/**
* Represents a parameter in method, signal and delegate signatures.
*/
public class Valadoc.Api.Parameter : Symbol {
public Content.Run default_value {
get;
set;
}
/**
* Used to translate imported C-documentation
*/
internal string? implicit_array_length_cparameter_name {
get;
set;
}
/**
* Used to translate imported C-documentation
*/
internal string? implicit_closure_cparameter_name {
get;
set;
}
/**
* Used to translate imported C-documentation
*/
internal string? implicit_destroy_cparameter_name {
get;
set;
}
private Vala.ParameterDirection type;
public Parameter (Node parent, SourceFile file, string? name, Vala.SymbolAccessibility accessibility, Vala.ParameterDirection type, bool ellipsis, Vala.Parameter data) {
base (parent, file, name, accessibility, null, data);
assert ((name == null && ellipsis) || (name != null && !ellipsis));
this.ellipsis = ellipsis;
this.type = type;
}
/**
* Specifies whether the parameter direction is out
*/
public bool is_out {
get {
return type == Vala.ParameterDirection.OUT;
}
}
/**
* Specifies whether the parameter direction is ref
*/
public bool is_ref {
get {
return type == Vala.ParameterDirection.REF;
}
}
/**
* Specifies whether the parameter has a default value
*/
public bool has_default_value {
get {
return default_value != null;
}
}
/**
* The parameter type.
*/
public TypeReference? parameter_type {
set;
get;
}
/**
* Specifies whether the methods accepts a variable number of arguments
*/
public bool ellipsis {
private set;
get;
}
/**
* {@inheritDoc}
*/
public override NodeType node_type {
get { return NodeType.FORMAL_PARAMETER; }
}
/**
* {@inheritDoc}
*/
public override void accept (Visitor visitor) {
visitor.visit_formal_parameter (this);
}
/**
* {@inheritDoc}
*/
protected override Inline build_signature () {
var signature = new SignatureBuilder ();
if (ellipsis) {
signature.append ("...");
} else {
if (is_out) {
signature.append_keyword ("out");
} else if (is_ref) {
signature.append_keyword ("ref");
}
signature.append_content (parameter_type.signature);
signature.append (name);
if (has_default_value) {
signature.append ("=");
signature.append_content (default_value);
}
}
return signature.get ();
}
}
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