1 /* Method encoding tests for stand-alone @protocol declarations. */
2 /* Contributed by Ziemowit Laski <zlaski@apple.com>. */
4 /* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */
9 #include "../objc-obj-c++-shared/runtime.h"
10 #include <objc/Protocol.h>
13 #define ProtoBool bool
15 #define ProtoBool _Bool
18 #define CHECK_IF(expr) if(!(expr)) abort()
23 typedef enum Enum Enum;
24 typedef signed char ObjCBool; /* as used by the NeXT runtime */
27 union __XXAngle { unsigned int alpha, beta; };
28 typedef struct { float x, y; union __XXAngle a; } XXPoint;
29 typedef struct { double width, height; } XXSize;
30 typedef struct _XXRect { XXPoint origin; XXSize size; struct _XXRect *next; } XXRect;
31 - (void) char:(signed char)c float:(float)f double:(double)d unsigned:(unsigned)u short:(short)s long:(long)l;
32 - (void *)setRect:(XXRect)r withBool:(ProtoBool)b withInt:(int)i;
33 + (Enum *)getEnum:(XXPoint *)pt enum:(enum Enum)e bool:(ObjCBool)b;
34 + (ProtoBool **)getBool:(ObjCBool **)b;
37 Protocol *proto = @protocol(Proto);
38 struct objc_method_description *meth;
39 struct objc_method_description meth_object;
40 unsigned totsize, offs0, offs1, offs2, offs3, offs4, offs5, offs6, offs7;
42 static void scan_initial(const char *pattern) {
43 totsize = offs0 = offs1 = offs2 = offs3 = offs4 = offs5 = offs6 = offs7 = (unsigned)-1;
44 sscanf(meth->types, pattern, &totsize, &offs0, &offs1, &offs2, &offs3,
45 &offs4, &offs5, &offs6, &offs7);
46 CHECK_IF(!offs0 && offs1 == sizeof(id) && offs2 == offs1 + sizeof(SEL) && totsize >= offs2);
52 meth_object = protocol_getMethodDescription (proto,
53 @selector(char:float:double:unsigned:short:long:), YES, YES);
55 if (sizeof (long) == 8)
56 string = "v%u@%u:%uc%uf%ud%uI%us%uq%u";
58 string = "v%u@%u:%uc%uf%ud%uI%us%ul%u";
60 CHECK_IF(offs3 == offs2 + sizeof(int) && offs4 == offs3 + sizeof(float));
61 CHECK_IF(offs5 == offs4 + sizeof(double) && offs6 == offs5 + sizeof(unsigned));
62 CHECK_IF(offs7 == offs6 + sizeof(int) && totsize == offs7 + sizeof(long));
63 meth_object = protocol_getMethodDescription (proto,
64 @selector(setRect:withBool:withInt:), YES, YES);
66 scan_initial("^v%u@%u:%u{_XXRect={?=ff(__XXAngle=II)}{?=dd}^{_XXRect}}%uB%ui%u");
67 CHECK_IF(offs3 == offs2 + sizeof(XXRect) && offs4 == offs3 + sizeof(int));
68 CHECK_IF(totsize == offs4 + sizeof(int));
69 meth_object = protocol_getMethodDescription (proto,
70 @selector(getEnum:enum:bool:), YES, NO);
73 /* Here we have the complication that 'enum Enum' could be encoded
74 as 'i' on __NEXT_RUNTIME_, and (most likely) as 'I' on the GNU
75 runtime. So we get the @encode(enum Enum), then put it into the
76 string in place of the traditional 'i'.
78 /* scan_initial("^i%u@%u:%u^{?=ff(__XXAngle=II)}%ui%uc%u"); */
82 sprintf (pattern, "^%s%%u@%%u:%%u^{?=ff(__XXAngle=II)}%%u%s%%uc%%u",
83 @encode(enum Enum), @encode(enum Enum));
84 scan_initial(pattern);
87 CHECK_IF(offs3 == offs2 + sizeof(XXPoint *) && offs4 == offs3 + sizeof(enum Enum));
88 CHECK_IF(totsize == offs4 + sizeof(int)); /* 'ObjCBool' is really 'char' */
89 meth_object = protocol_getMethodDescription (proto,
90 @selector(getBool:), YES, NO);
92 scan_initial("^^B%u@%u:%u^*%u");
93 CHECK_IF(totsize == offs2 + sizeof(ObjCBool **));