kylesluder

#!xcrun swift

func withoutFirst<T, G: GeneratorType where G.Element == T>(genGiver: () -> G) -> SequenceOf<T> {
    return SequenceOf {
        _ -> G in
        var g = genGiver()
        g.next()
        return g
    }
}

kylesluder

// A much better version of C#-style Async/Await. It can return values!
import Cocoa

struct Await<T> {
    // private
    let group: dispatch_group_t
    let getResult: () -> T

    // public
    func await() -> T { return getResult() }

kylesluder

// % clang -framework Foundation -o ObjCSuper ObjCSuper.m SuperTrampoline.s
// % ./ObjCSuper
//
// 2014-02-15 23:03:32.498 ObjCSuper[1296:507] Subclass impl
// 2012014-02-15 23:03:32.498 ObjCSuper[1296:507] Subclass impl4-02-15 23:03:32.500 ObjCSuper[1296:507] b respondsToSelector:@selector(retain)? YES
// 2014-02-15 23:03:32.500 ObjCSuper[1296:507] b respondsToSelector:@selector(subclassMethod)? YES
// 2014-02-15 23:03:32.501 ObjCSuper[1296:507] Superclass impl
// 2014-02-15 23:03:32.501 ObjCSuper[1296:507] b_super respondsToSelector:@selector(retain)? YES
// 2014-02-15 23:03:32.501 ObjCSuper[1296:507] b_super respondsToSelector:@selector(subclassMethod)? NO

kylesluder

#include <stdio.h>

static void cleanup_func(int *foo)
{
    printf("cleanup! %d\n", *foo);
}

int main(int argc, char **argv)
{
    return 0;

kylesluder

// clang -framework Foundation -o AutoNotifyTest AutoNotifyTest.m

/***
Expected results:

willChange:valuesAtIndexes:forKey:
removeObjectFromBarAtIndex:
removeObjectFromBarAtIndex:
removeObjectFromBarAtIndex:
removeObjectFromBarAtIndex:

kylesluder

Analysis of sampling com.apple.security.pboxd (pid 20558) every 1 millisecond
Process:         com.apple.security.pboxd [20558]
Path:            /System/Library/PrivateFrameworks/RemoteViewServices.framework/XPCServices/com.apple.security.pboxd.xpc/Contents/MacOS/com.apple.security.pboxd
Load Address:    0x10c951000
Identifier:      com.apple.security.pboxd
Version:         2.0 (80.7)
Code Type:       X86-64 (Native)
Parent Process:  ??? [1]

Date/Time:       2013-09-26 16:43:26.188 -0700

kylesluder

// RUN: %clang -fsyntax-only %s 2>&1 | FileCheck %s
#import <Foundation/NSObject.h>

@protocol FooDelegate;
@interface Foo : NSObject
@property (weak) id<FooDelegate> delegate;
@end

@protocol FooDelegate <NSObject>
- (void)doSomething;

kylesluder

diffcount () {
  awk '
BEGIN { minuscount=0; pluscount=0; }
/^-/ { minuscount = minuscount + 1; }
/^\+/ { pluscount = pluscount + 1; }
END { print "-" minuscount, "+" pluscount; }
'
}

kylesluder

>>> -[<NSSplitView: 0x105e20130> resizeWithOldSuperviewSize:] superview from {543, 453} to {543, 493}
  >>> -[<NSSplitView: 0x105e20130> setFrame:] from {{0, 0}, {543, 453}} to {{0, 0}, {0, 0}}

(gdb) po [self constraintsAffectingLayoutForOrientation:1]
<__NSArrayI 0x105bbfa00>(
<NSLayoutConstraint:0x105e19350 NSSplitView:0x105e20130.bottom == NSView:0x105e142a0.bottom>,
<NSLayoutConstraint:0x105e1c9a0 V:|-(0)-[NSSplitView:0x105e20130]   (Names: '|':NSView:0x105e142a0 )>,
<NSLayoutConstraint:0x105e19350 NSSplitView:0x105e20130.bottom == NSView:0x105e142a0.bottom>
)

kylesluder

On 10.7.5:

>>> -[<NSView: 0x108064e50> resizeWithOldSuperviewSize:] superview from {543, 475} to {543, 515}
  >>> -[<NSView: 0x108064e50> setFrame:] from {{0, 0}, {543, 453}} to {{0, 0}, {543, 493}}
    >>> -[<NSView: 0x108064e50> setFrameSize:] from {543, 453} to {543, 493}
      >>> -[<NSView: 0x108064e50> resizeSubviewsWithOldSize:] from {543, 453} to {543, 493}
        >>> -[<NSSplitView: 0x10806cb10> resizeWithOldSuperviewSize:] superview from {543, 453} to {543, 493}
          >>> -[<NSSplitView: 0x10806cb10> setFrame:] from {{0, 0}, {543, 453}} to {{0, 0}, {0, 0}}  /*** WTF??? ***/
            >>> -[<NSSplitView: 0x10806cb10> setFrameSize:] from {543, 453} to {0, 0}
              >>> ... and so on, causing an eventual constraint violation ...