jaxp/src/com/sun/org/apache/xalan/internal/xsltc/compiler/ParameterRef.java
changeset 12457 c348e06f0e82
parent 6 7f561c08de6b
child 12458 d601e4bba306
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxp/src/com/sun/org/apache/xalan/internal/xsltc/compiler/ParameterRef.java	Thu Apr 12 08:38:26 2012 -0700
@@ -0,0 +1,113 @@
+/*
+ * 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: ParameterRef.java,v 1.2.4.1 2005/09/02 11:05:08 pvedula Exp $
+ */
+
+package com.sun.org.apache.xalan.internal.xsltc.compiler;
+
+import com.sun.org.apache.bcel.internal.generic.CHECKCAST;
+import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
+import com.sun.org.apache.bcel.internal.generic.GETFIELD;
+import com.sun.org.apache.bcel.internal.generic.INVOKEINTERFACE;
+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.MethodGenerator;
+import com.sun.org.apache.xalan.internal.xsltc.compiler.util.NodeSetType;
+import com.sun.org.apache.xalan.internal.xsltc.runtime.BasisLibrary;
+
+/**
+ * @author Jacek Ambroziak
+ * @author Santiago Pericas-Geertsen
+ * @author Morten Jorgensen
+ * @author Erwin Bolwidt <ejb@klomp.org>
+ */
+final class ParameterRef extends VariableRefBase {
+
+    /**
+     * Name of param being referenced.
+     */
+    QName _name = null;
+
+    public ParameterRef(Param param) {
+        super(param);
+        _name = param._name;
+
+    }
+
+    public String toString() {
+        return "parameter-ref("+_variable.getName()+'/'+_variable.getType()+')';
+    }
+
+    public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
+        final ConstantPoolGen cpg = classGen.getConstantPool();
+        final InstructionList il = methodGen.getInstructionList();
+
+        /*
+         * To fix bug 24518 related to setting parameters of the form
+         * {namespaceuri}localName, which will get mapped to an instance
+         * variable in the class.
+         */
+        final String name = BasisLibrary.mapQNameToJavaName (_name.toString());
+        final String signature = _type.toSignature();
+
+        if (_variable.isLocal()) {
+            if (classGen.isExternal()) {
+                Closure variableClosure = _closure;
+                while (variableClosure != null) {
+                    if (variableClosure.inInnerClass()) break;
+                    variableClosure = variableClosure.getParentClosure();
+                }
+
+                if (variableClosure != null) {
+                    il.append(ALOAD_0);
+                    il.append(new GETFIELD(
+                        cpg.addFieldref(variableClosure.getInnerClassName(),
+                            name, signature)));
+                }
+                else {
+                    il.append(_variable.loadInstruction());
+                    _variable.removeReference(this);
+                }
+            }
+            else {
+                il.append(_variable.loadInstruction());
+                _variable.removeReference(this);
+            }
+        }
+        else {
+            final String className = classGen.getClassName();
+            il.append(classGen.loadTranslet());
+            if (classGen.isExternal()) {
+                il.append(new CHECKCAST(cpg.addClass(className)));
+            }
+            il.append(new GETFIELD(cpg.addFieldref(className,name,signature)));
+        }
+
+        if (_variable.getType() instanceof NodeSetType) {
+            // The method cloneIterator() also does resetting
+            final int clone = cpg.addInterfaceMethodref(NODE_ITERATOR,
+                                                       "cloneIterator",
+                                                       "()" +
+                                                        NODE_ITERATOR_SIG);
+            il.append(new INVOKEINTERFACE(clone, 1));
+        }
+    }
+}