Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/methods/arguments/ReadPostArgumentNode.java @ 13529:856c2c294f84
Merge.
author | Christian Humer <christian.humer@gmail.com> |
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date | Tue, 07 Jan 2014 18:53:04 +0100 |
parents | 0fbee3eb71f0 |
children |
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/* * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This * code is released under a tri EPL/GPL/LGPL license. You can use it, * redistribute it and/or modify it under the terms of the: * * Eclipse Public License version 1.0 * GNU General Public License version 2 * GNU Lesser General Public License version 2.1 */ package com.oracle.truffle.ruby.nodes.methods.arguments; import com.oracle.truffle.api.*; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.ruby.nodes.*; import com.oracle.truffle.ruby.runtime.*; /** * Read a post-optional argument. */ @NodeInfo(shortName = "read-post-optional-argument") public class ReadPostArgumentNode extends RubyNode { private final int indexFromEnd; public ReadPostArgumentNode(RubyContext context, SourceSection sourceSection, int indexFromEnd) { super(context, sourceSection); this.indexFromEnd = indexFromEnd; } @Override public Object execute(VirtualFrame frame) { final Object[] arguments = frame.getArguments(RubyArguments.class).getArguments(); final int effectiveIndex = arguments.length - 1 - indexFromEnd; assert effectiveIndex < arguments.length; return arguments[effectiveIndex]; } }