com.sun.squawk
Class MethodMetadata

java.lang.Object
  com.sun.squawk.MethodMetadata

Direct Known Subclasses:

FullMethodMetadata

public class MethodMetadata
extends Object

A MethodMetadata instance represents all the information about a method body that is not absolutely required for execution. This includes the information found in the JVM LineNumberTable class file attributes.

getLineNumberTable

public final int[] getLineNumberTable()

Gets the table mapping instruction addresses to the source line numbers that start at the addresses. The table is encoded as an int array where the high 16-bits of each element is an instruction address and the low 16-bits is the corresponding source line.

Returns:

the line number table or null if there is no line number information for the method

getLocalVariableTable

public ScopedLocalVariable[] getLocalVariableTable()

Gets a table describing the scope, name and type of each local variable in the method.

Returns:

the local variable table or null if there is no local variable information for the method

binarySearch

public static int binarySearch(MethodMetadata[] a,
                               int keyOffset)

Search through the array of MethodMetadata looking for the metadata for the method with vtable/stable index keyOffset.

Parameters:

a - array of metadata

keyOffset - the offset of the method in the static/virtual method table.

Returns:

the index into the MethodMetadata array, or -1 if not found.