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[Truffle] Pull out a node for calling hash and getting the result int…
…o an int.
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49 changes: 49 additions & 0 deletions
49
truffle/src/main/java/org/jruby/truffle/nodes/hash/HashNode.java
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/* | ||
* Copyright (c) 2015 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.hash; | ||
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import com.oracle.truffle.api.frame.VirtualFrame; | ||
import com.oracle.truffle.api.source.SourceSection; | ||
import com.oracle.truffle.api.utilities.ConditionProfile; | ||
import org.jruby.truffle.nodes.RubyNode; | ||
import org.jruby.truffle.nodes.dispatch.CallDispatchHeadNode; | ||
import org.jruby.truffle.nodes.dispatch.DispatchHeadNodeFactory; | ||
import org.jruby.truffle.runtime.RubyContext; | ||
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public class HashNode extends RubyNode { | ||
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@Child private CallDispatchHeadNode hashNode; | ||
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private final ConditionProfile isIntegerProfile = ConditionProfile.createBinaryProfile(); | ||
private final ConditionProfile isLongProfile = ConditionProfile.createBinaryProfile(); | ||
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public HashNode(RubyContext context, SourceSection sourceSection) { | ||
super(context, sourceSection); | ||
hashNode = DispatchHeadNodeFactory.createMethodCall(context, true); | ||
} | ||
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public int hash(VirtualFrame frame, Object key) { | ||
final Object hashedObject = hashNode.call(frame, key, "hash", null); | ||
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if (isIntegerProfile.profile(hashedObject instanceof Integer)) { | ||
return (int) hashedObject; | ||
} else if (isLongProfile.profile(hashedObject instanceof Long)) { | ||
return (int) (long) hashedObject; | ||
} else { | ||
throw new UnsupportedOperationException(); | ||
} | ||
} | ||
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@Override | ||
public Object execute(VirtualFrame frame) { | ||
throw new UnsupportedOperationException(); | ||
} | ||
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} |