src/java.xml/share/classes/com/sun/org/apache/xalan/internal/xsltc/compiler/ConcatCall.java
8181150: Fix lint warnings in JAXP repo: rawtypes and unchecked
Reviewed-by: lancea, rriggs, mullan
/*
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
* @LastModified: Oct 2017
*/
/*
* 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.
* The ASF licenses this file to You 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.
*/
package com.sun.org.apache.xalan.internal.xsltc.compiler;
import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
import com.sun.org.apache.bcel.internal.generic.INVOKESPECIAL;
import com.sun.org.apache.bcel.internal.generic.INVOKEVIRTUAL;
import com.sun.org.apache.bcel.internal.generic.Instruction;
import com.sun.org.apache.bcel.internal.generic.InstructionList;
import com.sun.org.apache.bcel.internal.generic.NEW;
import com.sun.org.apache.bcel.internal.generic.PUSH;
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.Type;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError;
import java.util.List;
/**
* @author Jacek Ambroziak
* @author Santiago Pericas-Geertsen
*/
final class ConcatCall extends FunctionCall {
public ConcatCall(QName fname, List<Expression> arguments) {
super(fname, arguments);
}
public Type typeCheck(SymbolTable stable) throws TypeCheckError {
for (int i = 0; i < argumentCount(); i++) {
final Expression exp = argument(i);
if (!exp.typeCheck(stable).identicalTo(Type.String)) {
setArgument(i, new CastExpr(exp, Type.String));
}
}
return _type = Type.String;
}
/** translate leaves a String on the stack */
public void translate(ClassGenerator classGen, MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
final int nArgs = argumentCount();
switch (nArgs) {
case 0:
il.append(new PUSH(cpg, EMPTYSTRING));
break;
case 1:
argument().translate(classGen, methodGen);
break;
default:
final int initBuffer = cpg.addMethodref(STRING_BUFFER_CLASS,
"<init>", "()V");
final Instruction append =
new INVOKEVIRTUAL(cpg.addMethodref(STRING_BUFFER_CLASS,
"append",
"("+STRING_SIG+")"
+STRING_BUFFER_SIG));
final int toString = cpg.addMethodref(STRING_BUFFER_CLASS,
"toString",
"()"+STRING_SIG);
il.append(new NEW(cpg.addClass(STRING_BUFFER_CLASS)));
il.append(DUP);
il.append(new INVOKESPECIAL(initBuffer));
for (int i = 0; i < nArgs; i++) {
argument(i).translate(classGen, methodGen);
il.append(append);
}
il.append(new INVOKEVIRTUAL(toString));
}
}
}