org.apache.commons.javaflow.bytecode.transformation.bcel.analyser
Class ExecutionPath

java.lang.Object
  org.apache.commons.javaflow.bytecode.transformation.bcel.analyser.ExecutionPath

public final class ExecutionPath
extends java.lang.Object

List of InstructionContext that represents a sequence of an execution.

This object is immutable. The sequence is represented in left-associative style; that is, a sequence of [a,b,c,d] is represented as prev=[a,b,c] and last=d.

Author:

Kohsuke Kawaguchi

Field Summary

static ExecutionPath

EMPTY Singleton ExecutionPath that represents an empty sequence [].

Method Summary

ExecutionPath	append(InstructionContext ins) Creates a new ExecutionPath that has [...
InstructionContext	lastExecutionJSR() Returns the InstructionContextImpl with an JSR/JSR_W that was last in the ExecutionChain, without a corresponding RET, i.e.
java.lang.String	toString() Returns a human readable representation.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

EMPTY

public static final ExecutionPath EMPTY

Singleton ExecutionPath that represents an empty sequence [].

Method Detail

append

public ExecutionPath append(InstructionContext ins)

Creates a new ExecutionPath that has [... list in this ExecutionPath ..., ins].

lastExecutionJSR

public InstructionContext lastExecutionJSR()

Returns the InstructionContextImpl with an JSR/JSR_W that was last in the ExecutionChain, without a corresponding RET, i.e. we were called by this one. Returns null if we were called from the top level.

toString

public java.lang.String toString()

Returns a human readable representation.

Overrides:

toString in class java.lang.Object