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[Truffle] Avoid duplication by introducing a ToIntRangeNode.
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truffle/src/main/java/org/jruby/truffle/core/cast/ToIntRangeNode.java
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/* | ||
* Copyright (c) 2016 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.core.cast; | ||
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import com.oracle.truffle.api.CompilerDirectives; | ||
import com.oracle.truffle.api.dsl.NodeChild; | ||
import com.oracle.truffle.api.dsl.Specialization; | ||
import com.oracle.truffle.api.frame.VirtualFrame; | ||
import com.oracle.truffle.api.object.DynamicObject; | ||
import org.jruby.truffle.Layouts; | ||
import org.jruby.truffle.language.RubyNode; | ||
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@NodeChild("range") | ||
public abstract class ToIntRangeNode extends RubyNode { | ||
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public static ToIntRangeNode create() { | ||
return ToIntRangeNodeGen.create(null); | ||
} | ||
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@Child private ToIntNode toIntNode; | ||
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public abstract DynamicObject executeToIntRange(VirtualFrame frame, DynamicObject range); | ||
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@Specialization(guards = "isIntegerFixnumRange(range)") | ||
public DynamicObject intRange(DynamicObject range) { | ||
return range; | ||
} | ||
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@Specialization(guards = "isLongFixnumRange(range)") | ||
public DynamicObject longRange(VirtualFrame frame, DynamicObject range) { | ||
int begin = toInt(frame, Layouts.LONG_FIXNUM_RANGE.getBegin(range)); | ||
int end = toInt(frame, Layouts.LONG_FIXNUM_RANGE.getEnd(range)); | ||
boolean excludedEnd = Layouts.LONG_FIXNUM_RANGE.getExcludedEnd(range); | ||
return Layouts.INTEGER_FIXNUM_RANGE.createIntegerFixnumRange( | ||
coreLibrary().getIntegerFixnumRangeFactory(), excludedEnd, begin, end); | ||
} | ||
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@Specialization(guards = "isObjectRange(range)") | ||
public DynamicObject objectRange(VirtualFrame frame, DynamicObject range) { | ||
int begin = toInt(frame, Layouts.OBJECT_RANGE.getBegin(range)); | ||
int end = toInt(frame, Layouts.OBJECT_RANGE.getEnd(range)); | ||
boolean excludedEnd = Layouts.OBJECT_RANGE.getExcludedEnd(range); | ||
return Layouts.INTEGER_FIXNUM_RANGE.createIntegerFixnumRange( | ||
coreLibrary().getIntegerFixnumRangeFactory(), excludedEnd, begin, end); | ||
} | ||
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private int toInt(VirtualFrame frame, Object indexObject) { | ||
if (toIntNode == null) { | ||
CompilerDirectives.transferToInterpreterAndInvalidate(); | ||
toIntNode = insert(ToIntNode.create()); | ||
} | ||
return toIntNode.doInt(frame, indexObject); | ||
} | ||
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} |