com.packenius.datadivider.javaclass.attr.LocalVariableTableAttribute Maven / Gradle / Ivy

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package com.packenius.datadivider.javaclass.attr;

import com.packenius.dumpapi.DumpReader;

/**
 * @author Christian Packenius, 2016.
 */
public class LocalVariableTableAttribute extends AttributeDescription {
    /**
     * Array der lokalen Variablen.
     */
    public final LocalVariable[] localVariables;

    /**
     * Konstruktor.
     */
    public LocalVariableTableAttribute(int length, DumpReader reader) {
        super(reader, length);

        int count = reader.readBigEndianU2("Local variables count: ##DEC##").value;

        localVariables = new LocalVariable[count];
        for (int i = 0; i < count; i++) {
            localVariables[i] = new LocalVariable(reader, i);
        }
        setEndAddress(reader);
    }

    /**
     * @see com.packenius.datadivider.javaclass.attr.AttributeDescription#getName()
     */
    @Override
    public String getName() {
        return "LocalVariableTable";
    }

    @Override
    public String toString() {
        return "Local Variable Table Attribute";
    }

    @Override
    public String getDescription() {
        return "The LocalVariableTable attribute is an optional variable-length attribute in the "
                + "attributes table of a Code attribute. It may be used by debuggers to "
                + "determine the value of a given local variable during the execution of a method. "
                + "If multiple LocalVariableTable attributes are present in the attributes table of "
                + "a Code attribute, then they may appear in any order. "
                + "There may be no more than one LocalVariableTable attribute per local variable "
                + "in the attributes table of a Code attribute.";
    }
}