Go言語からCocoaを使ってみた

Transcript

1. (Pݴޠ͔Β$PDPB Λ࢖ͬͯΈͨ @matuyuji ! Cocoaษڧձؔ੢ 2014.8.9
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4. ! func main() { app := cocoa.NSApplication_sharedApplication() win := cocoa.NSWindow_initWithContentRectStyleMaskBackingDefer( cocoa.NSRect{0,0, 200,200}, NSTitledWindowMask, NSBackingStoreBuffered, false) win.CascadeTopLeftFromPoint(cocoa.NSPoint{20,20}) win.SetTitle(cocoa.NSString_initWithUTF8String("SomeApp")) win.MakeKeyAndOrderFront(nil) app.ActivateIgnoringOtherApps(true) ! fmt.Println(app, win) fmt.Println(app.GetClassName(), win.GetClassName()) ! app.Run(); } ͜ͷίʔυ͕ಈ͘Α͏ʹ͍ͨ͠ʂ
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   z$z ! package main ! // #include <stdio.h> import "C" ! func main() { C.puts(C.CString("hello, world!")) } ௚લͷίϝϯτ͕ ύοέʔδCͷͨΊͷ ίʔυʹͳΔ (Pจࣈྻ
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10. ! package main ! /* #include <stdio.h> ! char* hello() { return "hello, world!"; } */ import "C" ! func main() { C.puts(C.hello()) }
11. ! package main ! /* int add(int x, int y) { return x + y; } */ import "C" import "fmt" ! func main() { fmt.Println(C.add(2, 3)) }
12. HP
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    GPPHP foo.go foo.cgo1.go foo.cgo2.c Object Object Object cgo Binary 6l 6g clang pack _cgo_defun.c Object 6c ࣮ࡍ͸΋ͬͱෳࡶ‥
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14. HP
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    GPPHP foo.go foo.cgo1.go foo.cgo2.c Object Object Object cgo Binary 6l 6g clang pack _cgo_defun.c Object 6c
15. ! void _cgo_2434c0b5a67e_Cfunc_add(void *v) { struct { int p0; int p1; int r; char __pad12[4]; } __attribute__((__packed__)) *a = v; a->r = add(a->p0, a->p1); } ! int add(int x, int y) { return x + y; } ! void ɾ_Cfunc_add(struct{void *y[2];}p) { runtimeɾcgocall(_cgo_2434c0b5a67e_Cfunc_add, &p); } foo.cgo2.c _cgo_defun.c
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    GPPHP foo.go foo.cgo1.go foo.cgo2.c Object Object Object cgo Binary 6l 6g clang pack _cgo_defun.c Object 6c
17. ! package main /* #cgo CFLAGS: -x objective-c #cgo LDFLAGS: -framework Foundation #import <Cocoa/Cocoa.h> ! NSString* NSString_initWithUTF8String(char* text) { return [[NSString alloc] initWithUTF8String:text]; } ! const char* NSString_descripton(NSString* obj) { return [[obj description] UTF8String]; } */ import "C" import "fmt" ! func main() { str := C.NSString_initWithUTF8String(C.CString("foobar")) fmt.Println(C.GoString(C.NSString_descripton(str))) }
18. ! package main /* #cgo CFLAGS: -x objective-c #cgo LDFLAGS: -framework Cocoa #import <Cocoa/Cocoa.h> int StartApp(void) { [NSAutoreleasePool new]; [NSApplication sharedApplication]; [NSApp setActivationPolicy:NSApplicationActivationPolicyRegular]; id menubar = [[NSMenu new] autorelease]; id appMenuItem = [[NSMenuItem new] autorelease]; [menubar addItem:appMenuItem]; [NSApp setMainMenu:menubar]; id appMenu = [[NSMenu new] autorelease]; id appName = [[NSProcessInfo processInfo] processName]; id quitTitle = [@"Quit " stringByAppendingString:appName]; id quitMenuItem = [[[NSMenuItem alloc] initWithTitle:quitTitle action:@selector(terminate:) keyEquivalent:@“q"] autorelease]; [appMenu addItem:quitMenuItem]; [appMenuItem setSubmenu:appMenu]; id window = [[[NSWindow alloc] initWithContentRect:NSMakeRect(0, 0, 200, 200) styleMask:NSTitledWindowMask backing:NSBackingStoreBuffered defer:NO] autorelease]; [window cascadeTopLeftFromPoint:NSMakePoint(20,20)]; [window setTitle:appName]; [window makeKeyAndOrderFront:nil]; [NSApp activateIgnoringOtherApps:YES]; [NSApp run]; return 0; } */ import "C" ! func main() { C.StartApp() } LBWV
    
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19. ! func main() { app := cocoa.NSApplication_sharedApplication() win := cocoa.NSWindow_initWithContentRectStyleMaskBackingDefer( cocoa.NSRect{0,0, 200,200}, NSTitledWindowMask, NSBackingStoreBuffered, false) win.CascadeTopLeftFromPoint(cocoa.NSPoint{20,20}) win.SetTitle(cocoa.NSString_initWithUTF8String("SomeApp")) win.MakeKeyAndOrderFront(nil) app.ActivateIgnoringOtherApps(true) ! fmt.Println(app, win) fmt.Println(app.GetClassName(), win.GetClassName()) ! app.Run(); }
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    w 0CKFDUJWF$ͷϔομ͔Β(PίʔυΛੜ੒ python scripts/clang-objcgo.py import.h \ > src/cocoa/import.go go build main ./main
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22. translation_unit objc_interface_decl objc_property_decl objc_class_ref objc_instance_method_decl objc_instance_method_decl parm_decl objc_instance_method_decl parm_decl objc_class_ref parm_decl sample.h foo hoge NSArray hoge setHoge: hoge barWithArray:limit: array NSArray limit @class NSArray; ! @interface Foo @property NSArray* hoge; - (int)barWithArray:(NSArray*)array limit:(int)limit; @end
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