Example usage for org.aspectj.apache.bcel.classfile LocalVariableTable getLocalVariableTable

Introduction

In this page you can find the example usage for org.aspectj.apache.bcel.classfile LocalVariableTable getLocalVariableTable.

Prototype

public final LocalVariable[] getLocalVariableTable() 

Source Link

Usage

From source file:br.jabuti.util.InstructCtrl.java

License:Open Source License

/** Gets the name of a local variable in a given point of the method.
        //w w w . java  2 s  .c  o  m
 @param lvt The local variable table for the method
 @param var The number of the local variable
 @param pc The poit (position) in the method where the name is wanted. Note
 that the same local variable number may be used with different names
 in several differen placed 
        
 @return The name of the variable. If not defined, returns "???"
 */
public static String getLocalVariableName(LocalVariableTable lvt, int var, int pc) {
    LocalVariable[] lv = lvt.getLocalVariableTable();

    for (int i = 0; i < lv.length; i++) {
        if (var == lv[i].getIndex() && pc >= lv[i].getStartPC()
                && pc <= lv[i].getStartPC() + lv[i].getLength()) {
            return lv[i].getName();
        }
    }
    return null;
}

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