diff graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/cast/SplatCastNode.java @ 13514:0fbee3eb71f0

Ruby: import project.
author Chris Seaton <chris.seaton@oracle.com>
date Mon, 06 Jan 2014 17:12:09 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/cast/SplatCastNode.java	Mon Jan 06 17:12:09 2014 +0000
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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.cast;
+
+import com.oracle.truffle.api.*;
+import com.oracle.truffle.api.dsl.*;
+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.*;
+
+/**
+ * Splat as used to cast a value to an array if it isn't already, as in {@code *value}.
+ */
+@NodeInfo(shortName = "cast-splat")
+@NodeChild("child")
+public abstract class SplatCastNode extends RubyNode {
+
+    public SplatCastNode(RubyContext context, SourceSection sourceSection) {
+        super(context, sourceSection);
+    }
+
+    public SplatCastNode(SplatCastNode prev) {
+        super(prev);
+    }
+
+    protected abstract RubyNode getChild();
+
+    @Specialization
+    public RubyArray doArray(RubyArray array) {
+        return array;
+    }
+
+    @Specialization
+    public RubyArray doObject(Object object) {
+        if (object instanceof RubyArray) {
+            return (RubyArray) object;
+        } else {
+            return RubyArray.specializedFromObject(getContext().getCoreLibrary().getArrayClass(), object);
+        }
+    }
+
+    @Override
+    public void executeVoid(VirtualFrame frame) {
+        getChild().executeVoid(frame);
+    }
+
+}