| /* Method encoding tests for stand-alone @protocol declarations. */ |
| /* Contributed by Ziemowit Laski <zlaski@apple.com>. */ |
| /* { dg-do run } */ |
| |
| #include <objc/Protocol.h> |
| #ifdef __cplusplus |
| #define ProtoBool bool |
| #else |
| #define ProtoBool _Bool |
| #endif |
| |
| #ifndef __NEXT_RUNTIME__ |
| #include <objc/objc-api.h> |
| #endif |
| |
| extern int sscanf(const char *str, const char *format, ...); |
| extern void abort(void); |
| #define CHECK_IF(expr) if(!(expr)) abort() |
| |
| enum Enum { |
| zero, one, two, three |
| }; |
| typedef enum Enum Enum; |
| typedef signed char ObjCBool; /* as used by the NeXT runtime */ |
| |
| @protocol Proto |
| union __XXAngle { unsigned int alpha, beta; }; |
| typedef struct { float x, y; union __XXAngle a; } XXPoint; |
| typedef struct { double width, height; } XXSize; |
| typedef struct _XXRect { XXPoint origin; XXSize size; struct _XXRect *next; } XXRect; |
| - (void) char:(signed char)c float:(float)f double:(double)d unsigned:(unsigned)u short:(short)s long:(long)l; |
| - (void *)setRect:(XXRect)r withBool:(ProtoBool)b withInt:(int)i; |
| + (Enum *)getEnum:(XXPoint *)pt enum:(enum Enum)e bool:(ObjCBool)b; |
| + (ProtoBool **)getBool:(ObjCBool **)b; |
| @end |
| |
| /* APPLE LOCAL radar 4894756 */ |
| /* code removed */ |
| struct objc_method_description *meth; |
| unsigned totsize, offs0, offs1, offs2, offs3, offs4, offs5, offs6, offs7; |
| |
| static void scan_initial(const char *pattern) { |
| totsize = offs0 = offs1 = offs2 = offs3 = offs4 = offs5 = offs6 = offs7 = (unsigned)-1; |
| sscanf(meth->types, pattern, &totsize, &offs0, &offs1, &offs2, &offs3, |
| &offs4, &offs5, &offs6, &offs7); |
| CHECK_IF(!offs0 && offs1 == sizeof(id) && offs2 == offs1 + sizeof(SEL) && totsize >= offs2); |
| } |
| |
| int main(void) { |
| const char *string; |
| /* APPLE LOCAL radar 4894756 */ |
| Protocol *proto = @protocol(Proto); |
| |
| meth = [proto descriptionForInstanceMethod: @selector(char:float:double:unsigned:short:long:)]; |
| if (sizeof (long) == 8) |
| string = "v%u@%u:%uc%uf%ud%uI%us%uq%u"; |
| else |
| string = "v%u@%u:%uc%uf%ud%uI%us%ul%u"; |
| scan_initial(string); |
| CHECK_IF(offs3 == offs2 + sizeof(int) && offs4 == offs3 + sizeof(float)); |
| CHECK_IF(offs5 == offs4 + sizeof(double) && offs6 == offs5 + sizeof(unsigned)); |
| CHECK_IF(offs7 == offs6 + sizeof(int) && totsize == offs7 + sizeof(long)); |
| meth = [proto descriptionForInstanceMethod: @selector(setRect:withBool:withInt:)]; |
| scan_initial("^v%u@%u:%u{_XXRect={?=ff(__XXAngle=II)}{?=dd}^{_XXRect}}%uB%ui%u"); |
| CHECK_IF(offs3 == offs2 + sizeof(XXRect) && offs4 == offs3 + sizeof(int)); |
| CHECK_IF(totsize == offs4 + sizeof(int)); |
| meth = [proto descriptionForClassMethod: @selector(getEnum:enum:bool:)]; |
| scan_initial("^i%u@%u:%u^{?=ff(__XXAngle=II)}%ui%uc%u"); |
| CHECK_IF(offs3 == offs2 + sizeof(XXPoint *) && offs4 == offs3 + sizeof(enum Enum)); |
| CHECK_IF(totsize == offs4 + sizeof(int)); /* 'ObjCBool' is really 'char' */ |
| meth = [proto descriptionForClassMethod: @selector(getBool:)]; |
| scan_initial("^^B%u@%u:%u^*%u"); |
| CHECK_IF(totsize == offs2 + sizeof(ObjCBool **)); |
| return 0; |
| } |