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
24 import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
25 import com.sun.org.apache.bcel.internal.generic.INVOKESPECIAL;
26 import com.sun.org.apache.bcel.internal.generic.INVOKEVIRTUAL;
27 import com.sun.org.apache.bcel.internal.generic.Instruction;
28 import com.sun.org.apache.bcel.internal.generic.InstructionList;
29 import com.sun.org.apache.bcel.internal.generic.NEW;
30 import com.sun.org.apache.bcel.internal.generic.PUSH;
31 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
32 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
33 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type;
34 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError;
35 import java.util.List;
36
37 /**
38 * @author Jacek Ambroziak
39 * @author Santiago Pericas-Geertsen
40 */
41 final class ConcatCall extends FunctionCall {
42 public ConcatCall(QName fname, List<Expression> arguments) {
43 super(fname, arguments);
44 }
45
46 public Type typeCheck(SymbolTable stable) throws TypeCheckError {
47 for (int i = 0; i < argumentCount(); i++) {
48 final Expression exp = argument(i);
49 if (!exp.typeCheck(stable).identicalTo(Type.String)) {
50 setArgument(i, new CastExpr(exp, Type.String));
51 }
52 }
53 return _type = Type.String;
54 }
55
56 /** translate leaves a String on the stack */
57 public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
58 final ConstantPoolGen cpg = classGen.getConstantPool();
59 final InstructionList il = methodGen.getInstructionList();
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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
23 import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
24 import com.sun.org.apache.bcel.internal.generic.INVOKESPECIAL;
25 import com.sun.org.apache.bcel.internal.generic.INVOKEVIRTUAL;
26 import com.sun.org.apache.bcel.internal.generic.Instruction;
27 import com.sun.org.apache.bcel.internal.generic.InstructionList;
28 import com.sun.org.apache.bcel.internal.generic.NEW;
29 import com.sun.org.apache.bcel.internal.generic.PUSH;
30 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
31 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
32 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type;
33 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError;
34 import java.util.List;
35
36 /**
37 * @author Jacek Ambroziak
38 * @author Santiago Pericas-Geertsen
39 * @LastModified: Oct 2017
40 */
41 final class ConcatCall extends FunctionCall {
42 public ConcatCall(QName fname, List<Expression> arguments) {
43 super(fname, arguments);
44 }
45
46 public Type typeCheck(SymbolTable stable) throws TypeCheckError {
47 for (int i = 0; i < argumentCount(); i++) {
48 final Expression exp = argument(i);
49 if (!exp.typeCheck(stable).identicalTo(Type.String)) {
50 setArgument(i, new CastExpr(exp, Type.String));
51 }
52 }
53 return _type = Type.String;
54 }
55
56 /** translate leaves a String on the stack */
57 public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
58 final ConstantPoolGen cpg = classGen.getConstantPool();
59 final InstructionList il = methodGen.getInstructionList();
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