Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/control/OrNode.java @ 13792:9e7acc9cad8e
kill unused frame states when loop exits are removed
thanks to Gilles
author | Andreas Woess <andreas.woess@jku.at> |
---|---|
date | Tue, 28 Jan 2014 23:38:22 +0100 |
parents | 0fbee3eb71f0 |
children |
line wrap: on
line source
/* * 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.control; import com.oracle.truffle.api.*; import com.oracle.truffle.api.dsl.*; import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.ruby.nodes.*; import com.oracle.truffle.ruby.runtime.*; import com.oracle.truffle.ruby.runtime.core.*; /** * Represents a Ruby {@code or} or {@code ||} expression. */ @NodeInfo(shortName = "or") @NodeChildren({@NodeChild("left"), @NodeChild("right")}) public abstract class OrNode extends RubyNode { public OrNode(RubyContext context, SourceSection sourceSection) { super(context, sourceSection); } public OrNode(OrNode copy) { super(copy.getContext(), copy.getSourceSection()); } @ShortCircuit("right") public boolean needsRightNode(Object a) { return !GeneralConversions.toBoolean(a); } @ShortCircuit("right") public boolean needsRightNode(boolean a) { return !a; } @Specialization public Object doBoolean(boolean a, boolean hasB, Object b) { return hasB ? b : a; } @Generic public Object doGeneric(Object a, boolean hasB, Object b) { return hasB ? b : a; } }