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ultimate-vim/sources_non_forked/cocoa.vim/lib/extras/superclasses.m
2017-11-27 13:43:13 +08:00

47 lines
1.3 KiB
Objective-C

/* -framework Foundation -Os -Wmost -dead_strip */
/* Returns list of superclasses ready to be used by grep. */
#import <Foundation/Foundation.h>
#import <objc/objc-runtime.h>
void usage()
{
fprintf(stderr, "Usage: superclasses class_name framework\n");
}
void print_superclasses(const char classname[], const char framework[])
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
/* Foundation is already included, so no need to load it again. */
if (strncmp(framework, "Foundation", 256) != 0) {
NSString *bundle =
[@"/System/Library/Frameworks/" stringByAppendingString:
[[NSString stringWithUTF8String:framework]
stringByAppendingPathExtension:@"framework"]];
[[NSBundle bundleWithPath:bundle] load];
}
Class aClass = NSClassFromString([NSString stringWithUTF8String:classname]);
char buf[BUFSIZ];
strncpy(buf, classname, BUFSIZ);
while ((aClass = class_getSuperclass(aClass)) != nil) {
strncat(buf, "\\|", BUFSIZ);
strncat(buf, [NSStringFromClass(aClass) UTF8String], BUFSIZ);
}
printf("%s\n", buf);
[pool drain];
}
int main(int argc, char const* argv[])
{
if (argc < 3 || argv[1][0] == '-')
usage();
else {
int i;
for (i = 1; i < argc - 1; i += 2)
print_superclasses(argv[i], argv[i + 1]);
}
return 0;
}