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JDK14/Java14源码在线阅读 / java.xml / share / classes / com / sun / org / apache / xalan / internal / xsltc / compiler / SimpleAttributeValue.java
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/*
 * 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
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 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
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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.InstructionList;
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;

/**
 * @author Jacek Ambroziak
 * @author Santiago Pericas-Geertsen
 */
final class SimpleAttributeValue extends AttributeValue {

    private String _value; // The attributes value (literate string).

    /**
     * Creates a new simple attribute value.
     * @param value the attribute value.
     */
    public SimpleAttributeValue(String value) {
        _value = value;
    }

    /**
     * Returns this attribute value's type (String).
     * @param stable The compiler/parser's symbol table
     */
    public Type typeCheck(SymbolTable stable) throws TypeCheckError {
        return _type = Type.String;
    }

    public String toString() {
        return _value;
    }

    protected boolean contextDependent() {
        return false;
    }

    /**
     * Translate this attribute value into JVM bytecodes that pushes the
     * attribute value onto the JVM's stack.
     * @param classGen BCEL Java class generator
     * @param methodGen BCEL Java method generator

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