1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 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.InstructionList; 26 import com.sun.org.apache.bcel.internal.generic.PUSH; 27 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator; 28 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator; 29 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type; 30 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError; 31 32 /** 33 * @author Jacek Ambroziak 34 * @author Santiago Pericas-Geertsen 35 */ 36 final class SimpleAttributeValue extends AttributeValue { 37 38 private String _value; // The attributes value (literate string). 39 40 /** 41 * Creates a new simple attribute value. 42 * @param value the attribute value. 43 */ 44 public SimpleAttributeValue(String value) { 45 _value = value; 46 } 47 48 /** 49 * Returns this attribute value's type (String). 50 * @param stable The compiler/parser's symbol table 51 */ 52 public Type typeCheck(SymbolTable stable) throws TypeCheckError { 53 return _type = Type.String; 54 } 55 56 public String toString() { 57 return _value; 58 } 59 60 protected boolean contextDependent() { 61 return false; 62 } 63 64 /** 65 * Translate this attribute value into JVM bytecodes that pushes the 66 * attribute value onto the JVM's stack. 67 * @param classGen BCEL Java class generator 68 * @param methodGen BCEL Java method generator 69 */ 70 public void translate(ClassGenerator classGen, MethodGenerator methodGen) { 71 final ConstantPoolGen cpg = classGen.getConstantPool(); 72 final InstructionList il = methodGen.getInstructionList(); 73 il.append(new PUSH(cpg, _value)); 74 } 75 }