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/* valainvocationexpression.vala
*
* Copyright (C) 2006-2008 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;
using Gee;
/**
* Represents an invocation expression in the source code.
*/
public class Vala.InvocationExpression : Expression {
/**
* The method to call.
*/
public Expression call {
get { return _call; }
set construct {
_call = value;
_call.parent_node = this;
}
}
public CCodeExpression delegate_target { get; set; }
public Expression _call;
private Gee.List<Expression> argument_list = new ArrayList<Expression> ();
private Gee.List<CCodeExpression> array_sizes = new ArrayList<CCodeExpression> ();
/**
* Creates a new invocation expression.
*
* @param call method to call
* @param source_reference reference to source code
* @return newly created invocation expression
*/
public InvocationExpression (Expression call, SourceReference? source_reference = null) {
this.source_reference = source_reference;
this.call = call;
}
/**
* Appends the specified expression to the list of arguments.
*
* @param arg an argument
*/
public void add_argument (Expression arg) {
argument_list.add (arg);
arg.parent_node = this;
}
/**
* Returns a copy of the argument list.
*
* @return argument list
*/
public Gee.List<Expression> get_argument_list () {
return new ReadOnlyList<Expression> (argument_list);
}
/**
* Add an array size C code expression.
*/
public void append_array_size (CCodeExpression size) {
array_sizes.add (size);
}
/**
* Get the C code expression for array sizes for all dimensions
* ascending from left to right.
*/
public Gee.List<CCodeExpression> get_array_sizes () {
return new ReadOnlyList<CCodeExpression> (array_sizes);
}
public override void accept (CodeVisitor visitor) {
visitor.visit_invocation_expression (this);
visitor.visit_expression (this);
}
public override void accept_children (CodeVisitor visitor) {
call.accept (visitor);
foreach (Expression expr in argument_list) {
expr.accept (visitor);
}
}
public override void replace_expression (Expression old_node, Expression new_node) {
if (call == old_node) {
call = new_node;
}
int index = argument_list.index_of (old_node);
if (index >= 0 && new_node.parent_node == null) {
argument_list[index] = new_node;
new_node.parent_node = this;
}
}
public override bool is_pure () {
return false;
}
public override CodeBinding? create_code_binding (CodeGenerator codegen) {
return codegen.create_invocation_expression_binding (this);
}
}
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