Package org.jruby.ast

Source Code of org.jruby.ast.CallNoArgNode

/*
***** 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 Alan Moore <alan_moore@gmx.net>
* Copyright (C) 2001-2002 Jan Arne Petersen <jpetersen@uni-bonn.de>
* Copyright (C) 2001-2002 Benoit Cerrina <b.cerrina@wanadoo.fr>
* Copyright (C) 2002-2004 Anders Bengtsson <ndrsbngtssn@yahoo.se>
* Copyright (C) 2004 Thomas E Enebo <enebo@acm.org>
*
* 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 org.jruby.Ruby;
import org.jruby.RubyClass;
import org.jruby.exceptions.JumpException;
import org.jruby.internal.runtime.methods.DynamicMethod;
import org.jruby.lexer.yacc.ISourcePosition;
import org.jruby.runtime.Block;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.Visibility;
import org.jruby.runtime.builtin.IRubyObject;

/**
* A method or operator call.
*/
public final class CallNoArgNode extends CallNode {
    // For 'b.foo'
    public CallNoArgNode(ISourcePosition position, Node receiverNode, String name) {
        super(position, receiverNode, name, null, null);
    }
   
    // For 'b.foo()'.  Args are only significant in maintaining backwards compatible AST structure
    public CallNoArgNode(ISourcePosition position, Node receiverNode, Node args, String name) {
        super(position, receiverNode, name, args, null);
    }
   
    @Override
    public IRubyObject interpret(Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock) {
        return callAdapter.call(context, self, getReceiverNode().interpret(runtime, context, self, aBlock));
    }
   
    @Override
    public Node setIterNode(Node iterNode) {
        return new CallNoArgBlockNode(getPosition(), getReceiverNode(), getName(), getArgsNode(), (IterNode) iterNode);
    }
   
    @Override
    public String definition(Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock) {
       if (getReceiverNode().definition(runtime, context, self, aBlock) != null) {
            try {
                IRubyObject receiver = getReceiverNode().interpret(runtime, context, self, aBlock);
                RubyClass metaClass = receiver.getMetaClass();
                DynamicMethod method = metaClass.searchMethod(getName());
                Visibility visibility = method.getVisibility();
               
                if (visibility != Visibility.PRIVATE &&
                        (visibility != Visibility.PROTECTED || metaClass.getRealClass().isInstance(self))) {
                    return !method.isUndefined() ? "method" : null;
                }
            } catch (JumpException excptn) {
            }
        }

        return null;   
    }
}
TOP

Related Classes of org.jruby.ast.CallNoArgNode

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.