For all AspectCocoa related purposes, an ACInvocation is the same thing as an NSInvocation except that it is not actually an NSInvocation (not a subclass of NSInvocation). Otherwise it has nearly the same interface.

/* Returns the NSMethodSignature object describing the method to be invoked. */

• (NSMethodSignature *)methodSignature;

/* set/get the selector to be invoked on the target */

• (void)setSelector:(SEL)sel;
• (SEL)selector;

/* set/get the target of the invocation */

• (id)target;
• (void)setTarget:(id)obj;

/* returns the class containg the method for which this invocation was created note that this may or may not the same class as invocation target] class]; (which will always return the lowest level class of the object.) */

• (Class)getClass;

/* set/get the target of the invocation */

• (void)invoke;
• (void)invokeWithTarget:(id)target;

/* set/get the return value or argument values of the invocation same usage as on NSInvocation */

• (void)getReturnValue:(void *)retLoc;
• (void)setReturnValue:(void *)retLoc;
• (void)getArgument:(void *)argumentLocation atIndex:(int)index;
• (void)setArgument:(void *)argumentLocation atIndex:(int)index;

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