/*

***** BEGIN LICENSE BLOCK *****

* Version: CPL 1.0/GPL 2.0/LGPL 2.1

*

* The contents of this file are subject to the Common Public

* License Version 1.0 (the "License"); you may not use this file

* except in compliance with the License. You may obtain a copy of

* the License at http://www.eclipse.org/legal/cpl-v10.html

*

* Software distributed under the License is distributed on an "AS

* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or

* implied. See the License for the specific language governing

* rights and limitations under the License.

*

* Copyright (C) 2001-2002 Benoit Cerrina <b.cerrina@wanadoo.fr>

* Copyright (C) 2001-2002 Jan Arne Petersen <jpetersen@uni-bonn.de>

* Copyright (C) 2002-2004 Anders Bengtsson <ndrsbngtssn@yahoo.se>

* Copyright (C) 2004 Thomas E Enebo <enebo@acm.org>

* Copyright (C) 2004 Stefan Matthias Aust <sma@3plus4.de>

*

* Alternatively, the contents of this file may be used under the terms of

* either of the GNU General Public License Version 2 or later (the "GPL"),

* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),

* in which case the provisions of the GPL or the LGPL are applicable instead

* of those above. If you wish to allow use of your version of this file only

* under the terms of either the GPL or the LGPL, and not to allow others to

* use your version of this file under the terms of the CPL, indicate your

* decision by deleting the provisions above and replace them with the notice

* and other provisions required by the GPL or the LGPL. If you do not delete

* the provisions above, a recipient may use your version of this file under

* the terms of any one of the CPL, the GPL or the LGPL.

***** END LICENSE BLOCK *****/

package org.jruby.ast;

import java.util.List;

import org.jruby.Ruby;

import org.jruby.ast.types.INameNode;

import org.jruby.ast.visitor.NodeVisitor;

import org.jruby.evaluator.ASTInterpreter;

import org.jruby.lexer.yacc.ISourcePosition;

import org.jruby.runtime.Block;

import org.jruby.runtime.CallSite;

import org.jruby.runtime.MethodIndex;

import org.jruby.runtime.ThreadContext;

import org.jruby.runtime.builtin.IRubyObject;

import org.jruby.util.ByteList;

/**

* Represents a method call with self as an implicit receiver.

*/

public class FCallNode extends Node implements INameNode, IArgumentNode, BlockAcceptingNode {

protected Node argsNode;

protected Node iterNode;

public CallSite callAdapter;

@Deprecated

public FCallNode(ISourcePosition position, String name, Node argsNode) {

this(position, name, argsNode, null);

}

protected FCallNode(ISourcePosition position, String name, Node argsNode, Node iterNode) {

super(position);

setArgsNode(argsNode);

this.iterNode = iterNode;

this.callAdapter = MethodIndex.getFunctionalCallSite(name);

}

public NodeType getNodeType() {

return NodeType.FCALLNODE;

}

/**

* Accept for the visitor pattern.

* @param iVisitor the visitor

**/

public Object accept(NodeVisitor iVisitor) {

return iVisitor.visitFCallNode(this);

}

/**

* Get the node that represents a block or a block variable.

*/

public Node getIterNode() {

return iterNode;

}

public Node setIterNode(Node iterNode) {

this.iterNode = iterNode;

callAdapter = MethodIndex.getFunctionalCallSite(callAdapter.methodName);

return this;

}

/**

* Gets the argsNode.

* @return Returns a Node

*/

public Node getArgsNode() {

return argsNode;

}

/**

* Set the argsNode. This is for re-writer and general interpretation.

*

* @param argsNode set the arguments for this node.

*/

public Node setArgsNode(Node argsNode) {

this.argsNode = argsNode;

// If we have more than one arg, make sure the array created to contain them is not ObjectSpaced

if (argsNode instanceof ArrayNode) {

((ArrayNode)argsNode).setLightweight(true);

}

return argsNode;

}

/**

* Gets the name.

* @return Returns a String

*/

public String getName() {

return callAdapter.methodName;

}

public List<Node> childNodes() {

return createList(argsNode, iterNode);

}

@Override

public IRubyObject interpret(Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock) {

assert false : "Should not happen anymore";

return null;

}

@Override

public ByteList definition(Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock) {

if (self.getMetaClass().isMethodBound(getName(), false)) {

return ASTInterpreter.getArgumentDefinition(runtime, context, getArgsNode(), METHOD_BYTELIST, self, aBlock);

}

return null;

}

}