ObjFW  Check-in [b10efe7b2b]

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Comment:Add +[setImplementation:forMethod:].
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SHA3-256: b10efe7b2bc2e109cc39a4725a301f208c2a27482e44b8811d4e5f7420777562
User & Date: js on 2009-06-10 15:31:28
Other Links: manifest | tags
Context
2009-06-15
19:22
Remove whitespaces at EOL. check-in: 172e662b71 user: js tags: trunk
2009-06-10
15:31
Add +[setImplementation:forMethod:]. check-in: b10efe7b2b user: js tags: trunk
00:02
Autorelease array returned in -[splitWithDelimiter] properly. check-in: a0b7eb7a66 user: js tags: trunk
Changes
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Modified src/OFObject.h from [ca450e2d5c] to [b4d0f545f8].

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/**
 * \param protocol The protocol which should be checked for conformance
 *
 * \return A boolean whether the class conforms to the specified protocol
 */
+ (BOOL)conformsTo: (Protocol*)protocol;











/**
 * Replace a method with a method from another class.
 *
 * \param selector The selector of the method to replace
 * \param class The class from which the new method should be taken
 * \return The old implementation
 */








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/**
 * \param protocol The protocol which should be checked for conformance
 *
 * \return A boolean whether the class conforms to the specified protocol
 */
+ (BOOL)conformsTo: (Protocol*)protocol;

/**
 * Replace a method implementation with another implementation.
 *
 * \param selector The selector of the method to replace
 * \param imp The new implementation for the method
 * \return The old implementation
 */
+ (IMP)setImplementation: (IMP)newimp
	       forMethod: (SEL)selector;

/**
 * Replace a method with a method from another class.
 *
 * \param selector The selector of the method to replace
 * \param class The class from which the new method should be taken
 * \return The old implementation
 */
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Modified src/OFObject.m from [da7bffba83] to [afcd5f1e07].

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		if (class_conformsToProtocol(c, protocol))
			return YES;

	return NO;
#endif
}


+  (IMP)replaceMethod: (SEL)selector
  withMethodFromClass: (Class)class;
{
#ifdef __objc_INCLUDE_GNU
	Method_t method = class_get_instance_method(self, selector);
	IMP oldimp, newimp;

	if (method == NULL)
		@throw [OFInvalidArgumentException newWithClass: self
						    andSelector: _cmd];

	oldimp = method_get_imp(method);
	newimp = method_get_imp(class_get_instance_method(class, selector));

	if (oldimp == (IMP)0 || newimp == (IMP)0)
		@throw [OFInvalidArgumentException newWithClass: self
						    andSelector: _cmd];

	method->method_imp = newimp;

	/* Update the dtable if necessary */
	if (sarray_get_safe(((Class)self)->dtable,
	    (sidx)method->method_name->sel_id))
		sarray_at_put_safe(((Class)self)->dtable,
		    (sidx)method->method_name->sel_id, method->method_imp);

	return oldimp;
#else
	Method method = class_getInstanceMethod(self, selector);
	IMP imp = class_getMethodImplementation(class, selector);

	if (method == NULL || imp == NULL)
		@throw [OFInvalidArgumentException newWithClass: self
						    andSelector: _cmd];

	return method_setImplementation(method, imp);
#endif















}

- init
{
	return self;
}









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		if (class_conformsToProtocol(c, protocol))
			return YES;

	return NO;
#endif
}

+ (IMP)setImplementation: (IMP)newimp
	       forMethod: (SEL)selector

{
#ifdef __objc_INCLUDE_GNU
	Method_t method = class_get_instance_method(self, selector);
	IMP oldimp;

	if (method == NULL)
		@throw [OFInvalidArgumentException newWithClass: self
						    andSelector: _cmd];

	if ((oldimp = method_get_imp(method)) == (IMP)0 || newimp == (IMP)0)



		@throw [OFInvalidArgumentException newWithClass: self
						    andSelector: _cmd];

	method->method_imp = newimp;

	/* Update the dtable if necessary */
	if (sarray_get_safe(((Class)self)->dtable,
	    (sidx)method->method_name->sel_id))
		sarray_at_put_safe(((Class)self)->dtable,
		    (sidx)method->method_name->sel_id, method->method_imp);

	return oldimp;
#else
	Method method;


	if ((method = class_getInstanceMethod(self, selector)) == NULL)
		@throw [OFInvalidArgumentException newWithClass: self
						    andSelector: _cmd];

	return method_setImplementation(method, newimp);
#endif
}

+  (IMP)replaceMethod: (SEL)selector
  withMethodFromClass: (Class)class;
{
	IMP newimp;

#ifdef __objc_INCLUDE_GNU
	newimp = method_get_imp(class_get_instance_method(class, selector));
#else
	newimp = class_getMethodImplementation(class, selector);
#endif

	return [self setImplementation: newimp
			     forMethod: selector];
}

- init
{
	return self;
}
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