--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxp/src/share/classes/com/sun/org/apache/xalan/internal/xsltc/compiler/CopyOf.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,143 @@
+/*
+ * reserved comment block
+ * DO NOT REMOVE OR ALTER!
+ */
+/*
+ * Copyright 2001-2004 The Apache Software Foundation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*
+ * $Id: CopyOf.java,v 1.2.4.1 2005/09/01 12:16:22 pvedula Exp $
+ */
+
+package com.sun.org.apache.xalan.internal.xsltc.compiler;
+
+import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
+import com.sun.org.apache.bcel.internal.generic.INVOKEINTERFACE;
+import com.sun.org.apache.bcel.internal.generic.INVOKESTATIC;
+import com.sun.org.apache.bcel.internal.generic.INVOKEVIRTUAL;
+import com.sun.org.apache.bcel.internal.generic.InstructionList;
+import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
+import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ErrorMsg;
+import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
+import com.sun.org.apache.xalan.internal.xsltc.compiler.util.NodeSetType;
+import com.sun.org.apache.xalan.internal.xsltc.compiler.util.NodeType;
+import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ReferenceType;
+import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ResultTreeType;
+import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type;
+import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError;
+import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Util;
+
+/**
+ * @author Jacek Ambroziak
+ * @author Santiago Pericas-Geertsen
+ */
+final class CopyOf extends Instruction {
+    private Expression _select;
+
+    public void display(int indent) {
+        indent(indent);
+        Util.println("CopyOf");
+        indent(indent + IndentIncrement);
+        Util.println("select " + _select.toString());
+    }
+
+    public void parseContents(Parser parser) {
+        _select = parser.parseExpression(this, "select", null);
+        // make sure required attribute(s) have been set
+        if (_select.isDummy()) {
+            reportError(this, parser, ErrorMsg.REQUIRED_ATTR_ERR, "select");
+            return;
+        }
+    }
+
+    public Type typeCheck(SymbolTable stable) throws TypeCheckError {
+        final Type tselect = _select.typeCheck(stable);
+        if (tselect instanceof NodeType ||
+            tselect instanceof NodeSetType ||
+            tselect instanceof ReferenceType ||
+            tselect instanceof ResultTreeType) {
+            // falls through
+        }
+        else {
+            _select = new CastExpr(_select, Type.String);
+        }
+        return Type.Void;
+    }
+
+    public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
+        final ConstantPoolGen cpg = classGen.getConstantPool();
+        final InstructionList il = methodGen.getInstructionList();
+        final Type tselect = _select.getType();
+
+        final String CPY1_SIG = "("+NODE_ITERATOR_SIG+TRANSLET_OUTPUT_SIG+")V";
+        final int cpy1 = cpg.addInterfaceMethodref(DOM_INTF, "copy", CPY1_SIG);
+
+        final String CPY2_SIG = "("+NODE_SIG+TRANSLET_OUTPUT_SIG+")V";
+        final int cpy2 = cpg.addInterfaceMethodref(DOM_INTF, "copy", CPY2_SIG);
+
+        final String getDoc_SIG = "()"+NODE_SIG;
+        final int getDoc = cpg.addInterfaceMethodref(DOM_INTF, "getDocument", getDoc_SIG);
+
+
+        if (tselect instanceof NodeSetType) {
+            il.append(methodGen.loadDOM());
+
+            // push NodeIterator
+            _select.translate(classGen, methodGen);
+            _select.startIterator(classGen, methodGen);
+
+            // call copy from the DOM 'library'
+            il.append(methodGen.loadHandler());
+            il.append(new INVOKEINTERFACE(cpy1, 3));
+        }
+        else if (tselect instanceof NodeType) {
+            il.append(methodGen.loadDOM());
+            _select.translate(classGen, methodGen);
+            il.append(methodGen.loadHandler());
+            il.append(new INVOKEINTERFACE(cpy2, 3));
+        }
+        else if (tselect instanceof ResultTreeType) {
+            _select.translate(classGen, methodGen);
+            // We want the whole tree, so we start with the root node
+            il.append(DUP); //need a pointer to the DOM ;
+            il.append(new INVOKEINTERFACE(getDoc,1)); //ICONST_0);
+            il.append(methodGen.loadHandler());
+            il.append(new INVOKEINTERFACE(cpy2, 3));
+        }
+        else if (tselect instanceof ReferenceType) {
+            _select.translate(classGen, methodGen);
+            il.append(methodGen.loadHandler());
+            il.append(methodGen.loadCurrentNode());
+            il.append(methodGen.loadDOM());
+            final int copy = cpg.addMethodref(BASIS_LIBRARY_CLASS, "copy",
+                                              "("
+                                              + OBJECT_SIG
+                                              + TRANSLET_OUTPUT_SIG
+                                              + NODE_SIG
+                                              + DOM_INTF_SIG
+                                              + ")V");
+            il.append(new INVOKESTATIC(copy));
+        }
+        else {
+            il.append(classGen.loadTranslet());
+            _select.translate(classGen, methodGen);
+            il.append(methodGen.loadHandler());
+            il.append(new INVOKEVIRTUAL(cpg.addMethodref(TRANSLET_CLASS,
+                                                         CHARACTERSW,
+                                                         CHARACTERSW_SIG)));
+        }
+
+    }
+}