90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
/* 28 february 2014 */
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/*
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This includes all Objective-C runtime headers for convenience. It also creates wrappers around objc_msgSend() out of necessity.
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cgo doesn't support calling variable argument list C functions, so objc_msgSend() cannot be called directly.
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Furthermore, Objective-C selectors work by basically sending the arguments to objc_msgSend() verbatim across the wire. This basically means we're stuck making wrapper functions for every possible argument list. What fun!
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The format should be self-explanatory.
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*/
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/* for some reason I now have to use an include guard after commit [master 9b4e30c] ("Started to build a single global delegate object; now to fix issues.") */
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#ifndef _OBJC_DARWIN_H_
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#define _OBJC_DARWIN_H_
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#include <objc/message.h>
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#include <objc/objc.h>
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#include <objc/runtime.h>
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#include <stdint.h>
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/* for delegate_darwin.go */
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extern Class NilClass;
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inline id objc_msgSend_noargs(id obj, SEL sel)
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{
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return objc_msgSend(obj, sel);
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}
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struct xrect {
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int64_t x;
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int64_t y;
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int64_t width;
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int64_t height;
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};
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extern struct xrect objc_msgSend_stret_rect_noargs(id obj, SEL sel);
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struct xsize {
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int64_t width;
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int64_t height;
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};
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extern struct xsize objc_msgSend_stret_size_noargs(id obj, SEL sel);
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#define m1(name, type1) \
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inline id objc_msgSend_ ## name (id obj, SEL sel, type1 a) \
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{ \
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return objc_msgSend(obj, sel, a); \
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}
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#define m2(name, type1, type2) \
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inline id objc_msgSend_ ## name (id obj, SEL sel, type1 a, type2 b) \
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{ \
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return objc_msgSend(obj, sel, a, b); \
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}
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#define m3(name, type1, type2, type3) \
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inline id objc_msgSend_ ## name (id obj, SEL sel, type1 a, type2 b, type3 c) \
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{ \
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return objc_msgSend(obj, sel, a, b, c); \
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}
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#define m4(name, type1, type2, type3, type4) \
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inline id objc_msgSend_ ## name (id obj, SEL sel, type1 a, type2 b, type3 c, type4 d) \
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{ \
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return objc_msgSend(obj, sel, a, b, c, d); \
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}
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m1(str, char *) /* TODO Go string? */
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m1(id, id)
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extern id _objc_msgSend_rect(id obj, SEL sel, int64_t x, int64_t y, int64_t w, int64_t h);
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m1(sel, SEL)
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extern id _objc_msgSend_uint(id obj, SEL sel, uintptr_t a);
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m1(ptr, void *)
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m1(bool, BOOL)
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extern id objc_msgSend_int(id obj, SEL sel, intptr_t a);
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m2(id_id, id, id)
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extern id _objc_msgSend_rect_bool(id obj, SEL sel, int64_t x, int64_t y, int64_t w, int64_t h, BOOL b);
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m3(id_id_id, id, id, id)
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m3(sel_id_bool, SEL, id, BOOL)
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extern id _objc_msgSend_rect_uint_uint_bool(id obj, SEL sel, int64_t x, int64_t y, int64_t w, int64_t h, uintptr_t b, uintptr_t c, BOOL d);
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m4(id_sel_id_id, id, SEL, id, id)
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#endif
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