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"
12 #define ProtoBool bool
14 #define ProtoBool _Bool
17 extern int sscanf(const char *str, const char *format, ...);
18 extern void abort(void);
19 #define CHECK_IF(expr) if(!(expr)) abort()
24 typedef enum Enum Enum;
25 typedef signed char ObjCBool; /* as used by the NeXT runtime */
28 union __XXAngle { unsigned int alpha, beta; };
29 typedef struct { float x, y; union __XXAngle a; } XXPoint;
30 typedef struct { double width, height; } XXSize;
31 typedef struct _XXRect { XXPoint origin; XXSize size; struct _XXRect *next; } XXRect;
32 - (void) char:(signed char)c float:(float)f double:(double)d unsigned:(unsigned)u short:(short)s long:(long)l;
33 - (void *)setRect:(XXRect)r withBool:(ProtoBool)b withInt:(int)i;
34 + (Enum *)getEnum:(XXPoint *)pt enum:(enum Enum)e bool:(ObjCBool)b;
35 + (ProtoBool **)getBool:(ObjCBool **)b;
39 struct objc_method_description *meth;
40 struct objc_method_description meth_object;
41 unsigned totsize, offs0, offs1, offs2, offs3, offs4, offs5, offs6, offs7;
43 static void scan_initial(const char *pattern) {
44 totsize = offs0 = offs1 = offs2 = offs3 = offs4 = offs5 = offs6 = offs7 = (unsigned)-1;
45 sscanf(meth->types, pattern, &totsize, &offs0, &offs1, &offs2, &offs3,
46 &offs4, &offs5, &offs6, &offs7);
47 CHECK_IF(!offs0 && offs1 == sizeof(id) && offs2 == offs1 + sizeof(SEL) && totsize >= offs2);
52 proto = @protocol(Proto);
53 meth_object = protocol_getMethodDescription (proto,
54 @selector(char:float:double:unsigned:short:long:), YES, YES);
56 if (sizeof (long) == 8)
57 string = "v%u@%u:%uc%uf%ud%uI%us%uq%u";
59 string = "v%u@%u:%uc%uf%ud%uI%us%ul%u";
61 CHECK_IF(offs3 == offs2 + sizeof(int) && offs4 == offs3 + sizeof(float));
62 CHECK_IF(offs5 == offs4 + sizeof(double) && offs6 == offs5 + sizeof(unsigned));
63 CHECK_IF(offs7 == offs6 + sizeof(int) && totsize == offs7 + sizeof(long));
64 meth_object = protocol_getMethodDescription (proto,
65 @selector(setRect:withBool:withInt:), YES, YES);
67 scan_initial("^v%u@%u:%u{_XXRect={?=ff(__XXAngle=II)}{?=dd}^{_XXRect}}%uB%ui%u");
68 CHECK_IF(offs3 == offs2 + sizeof(XXRect) && offs4 == offs3 + sizeof(int));
69 CHECK_IF(totsize == offs4 + sizeof(int));
70 meth_object = protocol_getMethodDescription (proto,
71 @selector(getEnum:enum:bool:), YES, NO);
74 /* Here we have the complication that 'enum Enum' could be encoded
75 as 'i' on __NEXT_RUNTIME_, and (most likely) as 'I' on the GNU
76 runtime. So we get the @encode(enum Enum), then put it into the
77 string in place of the traditional 'i'.
79 /* scan_initial("^i%u@%u:%u^{?=ff(__XXAngle=II)}%ui%uc%u"); */
83 sprintf (pattern, "^%s%%u@%%u:%%u^{?=ff(__XXAngle=II)}%%u%s%%uc%%u",
84 @encode(enum Enum), @encode(enum Enum));
85 scan_initial(pattern);
88 CHECK_IF(offs3 == offs2 + sizeof(XXPoint *) && offs4 == offs3 + sizeof(enum Enum));
89 CHECK_IF(totsize == offs4 + sizeof(int)); /* 'ObjCBool' is really 'char' */
90 meth_object = protocol_getMethodDescription (proto,
91 @selector(getBool:), YES, NO);
93 scan_initial("^^B%u@%u:%u^*%u");
94 CHECK_IF(totsize == offs2 + sizeof(ObjCBool **));