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OrNode.java
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OrNode.java
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/*
* Copyright (c) 2013, 2014 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 org.jruby.truffle.nodes.control;
import com.oracle.truffle.api.utilities.ConditionProfile;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.source.SourceSection;
import org.jruby.truffle.nodes.RubyNode;
import org.jruby.truffle.nodes.cast.BooleanCastNode;
import org.jruby.truffle.nodes.cast.BooleanCastNodeFactory;
import org.jruby.truffle.runtime.RubyContext;
/**
* Represents a Ruby {@code or} or {@code ||} expression.
*/
public class OrNode extends RubyNode {
@Child protected RubyNode left;
@Child protected BooleanCastNode leftCast;
@Child protected RubyNode right;
private final ConditionProfile conditionProfile = ConditionProfile.createCountingProfile();
public OrNode(RubyContext context, SourceSection sourceSection, RubyNode left, RubyNode right) {
super(context, sourceSection);
this.left = left;
leftCast = BooleanCastNodeFactory.create(context, sourceSection, null);
this.right = right;
}
@Override
public Object execute(VirtualFrame frame) {
final Object leftValue = left.execute(frame);
if (conditionProfile.profile(leftCast.executeBoolean(frame, leftValue))) {
return leftValue;
} else {
return right.execute(frame);
}
}
}