1 /*
2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
3 * @LastModified: Oct 2017
4 */
5 /*
6 * Licensed to the Apache Software Foundation (ASF) under one or more
7 * contributor license agreements. See the NOTICE file distributed with
8 * this work for additional information regarding copyright ownership.
9 * The ASF licenses this file to You under the Apache License, Version 2.0
10 * (the "License"); you may not use this file except in compliance with
11 * the License. You may obtain a copy of the License at
12 *
13 * http://www.apache.org/licenses/LICENSE-2.0
14 *
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 */
21
22 package com.sun.org.apache.xalan.internal.xsltc.compiler;
23
25 import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
26 import com.sun.org.apache.bcel.internal.generic.GOTO_W;
27 import com.sun.org.apache.bcel.internal.generic.IFEQ;
28 import com.sun.org.apache.bcel.internal.generic.InstructionHandle;
29 import com.sun.org.apache.bcel.internal.generic.InstructionList;
30 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.BooleanType;
31 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
32 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ErrorMsg;
33 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
34 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodType;
35 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.NodeSetType;
36 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type;
37 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError;
38 import java.util.List;
39
40 /**
41 * @author Jacek Ambroziak
42 * @author Santiago Pericas-Geertsen
43 * @author Morten Jorgensen
44 * @author Erwin Bolwidt <ejb@klomp.org>
45 */
46 abstract class Expression extends SyntaxTreeNode {
47 /**
48 * The type of this expression. It is set after calling
49 * <code>typeCheck()</code>.
50 */
51 protected Type _type;
52
53 /**
54 * Instruction handles that comprise the true list.
55 */
56 protected FlowList _trueList = new FlowList();
57
58 /**
59 * Instruction handles that comprise the false list.
60 */
61 protected FlowList _falseList = new FlowList();
62
63 public Type getType() {
64 return _type;
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1 /*
2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
3 */
4 /*
5 * Licensed to the Apache Software Foundation (ASF) under one or more
6 * contributor license agreements. See the NOTICE file distributed with
7 * this work for additional information regarding copyright ownership.
8 * The ASF licenses this file to You under the Apache License, Version 2.0
9 * (the "License"); you may not use this file except in compliance with
10 * the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 */
20
21 package com.sun.org.apache.xalan.internal.xsltc.compiler;
22
24 import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
25 import com.sun.org.apache.bcel.internal.generic.GOTO_W;
26 import com.sun.org.apache.bcel.internal.generic.IFEQ;
27 import com.sun.org.apache.bcel.internal.generic.InstructionHandle;
28 import com.sun.org.apache.bcel.internal.generic.InstructionList;
29 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.BooleanType;
30 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
31 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ErrorMsg;
32 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
33 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodType;
34 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.NodeSetType;
35 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type;
36 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError;
37 import java.util.List;
38
39 /**
40 * @author Jacek Ambroziak
41 * @author Santiago Pericas-Geertsen
42 * @author Morten Jorgensen
43 * @author Erwin Bolwidt <ejb@klomp.org>
44 * @LastModified: Oct 2017
45 */
46 abstract class Expression extends SyntaxTreeNode {
47 /**
48 * The type of this expression. It is set after calling
49 * <code>typeCheck()</code>.
50 */
51 protected Type _type;
52
53 /**
54 * Instruction handles that comprise the true list.
55 */
56 protected FlowList _trueList = new FlowList();
57
58 /**
59 * Instruction handles that comprise the false list.
60 */
61 protected FlowList _falseList = new FlowList();
62
63 public Type getType() {
64 return _type;
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