markd2

#!/usr/sbin/dtrace -s

/* Run like:
% sudo csh
# ./spy.d $PROCESS_ID [$INTERESTING_PROBEPROV]

Prints a line of dashes every 5 seconds to delineate different experiments.
*/

#pragma D option quiet

markd2

#import <stdio.h>

// clang -g -Wall -o old-days old-days.m

typedef struct Rect {
    int x, y, w, h;
} Rect;


typedef enum {

markd2

#import <Foundation/Foundation.h>

// clang -g -Wall -framework Foundation -o someObject someObject.m

@interface SomeObject : NSObject

- (void) doSome: (id) stuff  for: (id) reasons;

@end // SomeObject

markd2

#import <Foundation/Foundation.h>

// clang -g -Wall -framework Foundation -o signature signature.m


// A class with a vararg, and non-vararg method, to see if the method signatures
// are different.  (don't expect them to be, but ya never know...)
@interface VarBork : NSObject
- (id) gronkVar: (float) hoover, ...;
- (id) gronk: (float) hoover;

markd2

#import <Foundation/Foundation.h>

// Wrap up a call to rangeOfCharacterFromSet:options:range: in an invocation.

// clang -g -Wall -framework Foundation -o invocation invocation.m

// Little utility to dump out a method signature.
static void printSignature (NSMethodSignature *signature) {
    NSLog (@"%ld arguments", [signature numberOfArguments]);
    for (NSUInteger i = 0; i < [signature numberOfArguments]; i++) {

markd2

#import <Foundation/Foundation.h>

// Call a method through a cached IMP pointer.

// clang -g -Wall -framework Foundation -o imp imp.m

int main (void) {
    @autoreleasepool {

        NSString *string = @"Bork";

markd2

#import <Foundation/Foundation.h>

// clang -g -Wall -framework Foundation -o defaults-death defaults-death.m

int main (void) {
    @autoreleasepool {
        NSUserDefaults *defs = [NSUserDefaults standardUserDefaults];

        NSDictionary *defaultDefaults = @{
            @"spoon" : @"waffle"

markd2

#import <Foundation/Foundation.h>

// clang -g -fobjc-arc -Wall -framework Foundation -o marsupial marsupial.m


@interface NSObject (AllThingsCanDance)
- (void) wombatDance: (int) repetitions;
@end

markd2

#import <Foundation/Foundation.h>

// clang++ -DCOVER_METHODS=1 -fobjc-arc -g -ObjC++ -Wall -framework Foundation -o machinery machinery.cpp
// clang++ -DFORWARD_INVOCATION=1-fobjc-arc -g -ObjC++ -Wall -framework Foundation -o machinery machinery.cpp
// clang++ -DFORWARDING_TARGET=1-fobjc-arc -g -ObjC++ -Wall -framework Foundation -o machinery machinery.cpp

/*
#define COVER_METHODS 0
#define FORWARD_INVOCATION 0
#define FORWARDING_TARGET 0

markd2

#import <Foundation/Foundation.h>
#import <objc/runtime.h>

#import "typestring.h"

// clang -g -fobjc-arc -Wall -framework Foundation -o runtime typestring.m runtime.m

// Runtime reference, at least until Apple breaks the link
// http://developer.apple.com/library/ios/#documentation/Cocoa/Reference/ObjCRuntimeRef/Reference/reference.html