Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/core/ArrayConcatNode.java @ 13745:978587c91373
Merge
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Thu, 23 Jan 2014 16:35:57 -0800 |
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.core; 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.*; import com.oracle.truffle.ruby.runtime.core.array.*; /** * Concatenate arrays. */ @NodeInfo(shortName = "array-concat") public final class ArrayConcatNode extends RubyNode { @Children protected final RubyNode[] children; public ArrayConcatNode(RubyContext context, SourceSection sourceSection, RubyNode[] children) { super(context, sourceSection); assert children.length > 1; this.children = adoptChildren(children); } @ExplodeLoop @Override public Object execute(VirtualFrame frame) { final RubyArray array = new RubyArray(getContext().getCoreLibrary().getArrayClass()); for (int n = 0; n < children.length; n++) { final Object childObject = children[n].execute(frame); if (childObject instanceof RubyArray) { // setRangeArray has special cases for setting a zero-length range at the end final int end = array.size(); array.setRangeArrayExclusive(end, end, (RubyArray) childObject); } else { array.push(childObject); } } return array; } @ExplodeLoop @Override public void executeVoid(VirtualFrame frame) { for (int n = 0; n < children.length; n++) { children[n].executeVoid(frame); } } }