1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/* Make sure that array arguments to methods are given the size of pointers. */
/* As in the case of ivars, arrays without size (e.g., 'int []') are
encoded as pointers. */
/* Contributed by Ziemowit Laski <zlaski@apple.com>. */
/* { dg-do run } */
/* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */
#include "../objc-obj-c++-shared/runtime.h"
#include <stdio.h>
#include <stdlib.h>
extern int sscanf(const char *str, const char *format, ...);
extern void abort(void);
#define CHECK_IF(expr) if(!(expr)) abort()
enum Enum { one, two, three, four };
@interface ArrayTest
- (const char *)str:(signed char [])arg1 with:(unsigned char *)arg2 and:(enum Enum[4])en;
- (int)meth1:(int [])arg1 with:(int [0])arg2 with:(int [2])arg3;
@end
@implementation ArrayTest
- (int)meth1:(int [])arg1 with:(int [0])arg2 with:(int [2])arg3 { return 0; }
- (const char *)str:(signed char [])arg1 with:(unsigned char *)arg2 and:(enum Enum[4])en { return "str"; }
@end
Class cls;
Method 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(method_getTypeEncoding(meth), 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) {
cls = objc_getClass("ArrayTest");
meth = class_getInstanceMethod(cls, @selector(str:with:and:));
/* Here we have the complication that 'enum Enum' could be encoded
as 'i' on __NEXT_RUNTIME_, and (most likely) as 'I' on the GNU
runtime. So we get the @encode(enum Enum), then put it into the
string in place of the traditional 'i'.
*/
/* scan_initial("r*%u@%u:%u*%u*%u[4i]%u"); */
{
char pattern[1024];
sprintf (pattern, "r*%%u@%%u:%%u*%%u*%%u[4%s]%%u", @encode(enum Enum));
scan_initial(pattern);
}
CHECK_IF(offs3 == offs2 + sizeof(signed char *) && offs4 == offs3 + sizeof(unsigned char *));
CHECK_IF(totsize == offs4 + sizeof(enum Enum *));
meth = class_getInstanceMethod(cls, @selector(meth1:with:with:));
scan_initial("i%u@%u:%u^i%u[0i]%u[2i]%u");
CHECK_IF(offs3 == offs2 + sizeof(int *) && offs4 == offs3 + sizeof(int *));
CHECK_IF(totsize == offs4 + sizeof(int *));
return 0;
}
|
