src/java.xml/share/classes/com/sun/org/apache/xalan/internal/xsltc/compiler/ApplyTemplates.java

rev 886 : 8150704: XALAN: ERROR: 'No more DTM IDs are available' when transforming with lots of temporary result trees

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
  */
 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.

@@ -15,13 +15,10 @@
  * 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: ApplyTemplates.java,v 1.2.4.1 2005/09/12 09:59:21 pvedula Exp $
- */
 
 package com.sun.org.apache.xalan.internal.xsltc.compiler;
 
 import java.util.Enumeration;
 import java.util.Vector;

@@ -120,16 +117,14 @@
         final ConstantPoolGen cpg = classGen.getConstantPool();
         final InstructionList il = methodGen.getInstructionList();
         final int current = methodGen.getLocalIndex("current");
 
         // check if sorting nodes is required
-        final Vector sortObjects = new Vector();
-        final Iterator<SyntaxTreeNode> children = elements();
-        while (children.hasNext()) {
-            final SyntaxTreeNode child = children.next();
+        final Vector<Sort> sortObjects = new Vector<>();
+        for (final SyntaxTreeNode child : getContents()) {
             if (child instanceof Sort) {
-                sortObjects.addElement(child);
+                sortObjects.addElement((Sort)child);
             }
         }
 
         // Push a new parameter frame
         if (stylesheet.hasLocalParams() || hasContents()) {

@@ -191,10 +186,17 @@
         final int applyTemplates = cpg.addMethodref(className,
                                                     _functionName,
                                                     applyTemplatesSig);
         il.append(new INVOKEVIRTUAL(applyTemplates));
 
+        // unmap parameters to release temporary result trees
+        for (final SyntaxTreeNode child : getContents()) {
+            if (child instanceof WithParam) {
+                ((WithParam)child).releaseResultTree(classGen, methodGen);
+            }
+        }
+
         // Pop parameter frame
         if (stylesheet.hasLocalParams() || hasContents()) {
             il.append(classGen.loadTranslet());
             final int popFrame = cpg.addMethodref(TRANSLET_CLASS,
                                                   POP_PARAM_FRAME,