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
31 import com.sun.org.apache.bcel.internal.generic.INVOKESPECIAL;
32 import com.sun.org.apache.bcel.internal.generic.ISTORE;
33 import com.sun.org.apache.bcel.internal.generic.InstructionList;
34 import com.sun.org.apache.bcel.internal.generic.LocalVariableGen;
35 import com.sun.org.apache.bcel.internal.generic.NEW;
36 import com.sun.org.apache.bcel.internal.generic.PUSH;
37 import com.sun.org.apache.xalan.internal.xsltc.DOM;
38 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
39 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
40 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type;
41 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError;
42 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Util;
43 import com.sun.org.apache.xml.internal.dtm.Axis;
44 import com.sun.org.apache.xml.internal.dtm.DTM;
45 import java.util.List;
46
47 /**
48 * @author Jacek Ambroziak
49 * @author Santiago Pericas-Geertsen
50 * @author Morten Jorgensen
51 */
52 final class Step extends RelativeLocationPath {
53
54 /**
55 * This step's axis as defined in class Axis.
56 */
57 private int _axis;
58
59 /**
60 * A vector of predicates (filters) defined on this step - may be null
61 */
62 private List<Predicate> _predicates;
63
64 /**
65 * Some simple predicates can be handled by this class (and not by the
66 * Predicate class) and will be removed from the above vector as they are
67 * handled. We use this boolean to remember if we did have any predicates.
68 */
69 private boolean _hadPredicates = false;
70
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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
30 import com.sun.org.apache.bcel.internal.generic.INVOKESPECIAL;
31 import com.sun.org.apache.bcel.internal.generic.ISTORE;
32 import com.sun.org.apache.bcel.internal.generic.InstructionList;
33 import com.sun.org.apache.bcel.internal.generic.LocalVariableGen;
34 import com.sun.org.apache.bcel.internal.generic.NEW;
35 import com.sun.org.apache.bcel.internal.generic.PUSH;
36 import com.sun.org.apache.xalan.internal.xsltc.DOM;
37 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
38 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
39 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type;
40 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError;
41 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Util;
42 import com.sun.org.apache.xml.internal.dtm.Axis;
43 import com.sun.org.apache.xml.internal.dtm.DTM;
44 import java.util.List;
45
46 /**
47 * @author Jacek Ambroziak
48 * @author Santiago Pericas-Geertsen
49 * @author Morten Jorgensen
50 * @LastModified: Oct 2017
51 */
52 final class Step extends RelativeLocationPath {
53
54 /**
55 * This step's axis as defined in class Axis.
56 */
57 private int _axis;
58
59 /**
60 * A vector of predicates (filters) defined on this step - may be null
61 */
62 private List<Predicate> _predicates;
63
64 /**
65 * Some simple predicates can be handled by this class (and not by the
66 * Predicate class) and will be removed from the above vector as they are
67 * handled. We use this boolean to remember if we did have any predicates.
68 */
69 private boolean _hadPredicates = false;
70
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