xref: /openbsd-src/gnu/usr.bin/perl/t/lib/h2ph.h (revision 0a5f61bb653fdff7c29c2275df78c7f019a04c0c)
1 /*
2  * Test header file for h2ph
3  *
4  * Try to test as many constructs as possible
5  * For example, the multi-line comment :)
6  */
7 
8 /* And here's a single line comment :) */
9 
10 /* Test #define with no indenting, over multiple lines */
11 #define SQUARE(x) \
12 ((x)*(x))
13 
14 /* Test #ifndef and parameter interpretation*/
15 #ifndef ERROR
16 #define ERROR(x) fprintf(stderr, "%s\n", x[2][3][0])
17 #endif /* ERROR */
18 
19 #ifndef _H2PH_H_
20 #define _H2PH_H_
21 
22 /* #ident - doesn't really do anything, but I think it always gets included anyway */
23 #ident "$Revision h2ph.h,v 1.0 98/05/04 20:42:14 billy $"
24 
25 /* Test #undef */
26 #undef MAX
27 #define MAX(a,b) ((a) > (b) ? (a) : (b))
28 
29 /* Test #ifdef */
30 #ifdef __SOME_UNIMPORTANT_PROPERTY
31 #define MIN(a,b) ((a) < (b) ? (a) : (b))
32 #endif /* __SOME_UNIMPORTANT_PROPERTY */
33 
34 /*
35  * Test #if, #elif, #else, #endif, #warn and #error, and `!'
36  * Also test whitespace between the `#' and the command
37  */
38 #if !(defined __SOMETHING_MORE_IMPORTANT)
39 #    warn Be careful...
40 #elif !(defined __SOMETHING_REALLY_REALLY_IMPORTANT)
41 #    error Nup, can't go on /* ' /* stupid font-lock-mode */
42 #else /* defined __SOMETHING_MORE_IMPORTANT && defined __SOMETHING_REALLY_REALLY_IMPORTANT */
43 #    define EVERYTHING_IS_OK
44 #endif
45 
46 /* Test && and || */
47 #undef WHATEVER
48 #if (!((defined __SOMETHING_TRIVIAL && defined __SOMETHING_LESS_SO)) \
49      || defined __SOMETHING_OVERPOWERING)
50 #    define WHATEVER 6
51 #elif !(defined __SOMETHING_TRIVIAL) /* defined __SOMETHING_LESS_SO */
52 #    define WHATEVER 7
53 #elif !(defined __SOMETHING_LESS_SO) /* defined __SOMETHING_TRIVIAL */
54 #    define WHATEVER 8
55 #else /* defined __SOMETHING_TRIVIAL && defined __SOMETHING_LESS_SO */
56 #    define WHATEVER 1000
57 #endif
58 
59 /*
60  * Test #include, #import and #include_next
61  * #include_next is difficult to test, it really depends on the actual
62  *  circumstances - for example, `#include_next <limits.h>' on a Linux system
63  *  with `use lib qw(/opt/perl5/lib/site_perl/i586-linux/linux);' or whatever
64  *  your equivalent is...
65  */
66 #include <sys/socket.h>
67 #import "sys/ioctl.h"
68 #include_next <sys/fcntl.h>
69 
70 /* typedefs should be ignored */
71 typedef struct a_struct {
72   int typedefs_should;
73   char be_ignored;
74   long as_well;
75 } a_typedef;
76 
77 /*
78  * however, typedefs of enums and just plain enums should end up being treated
79  * like a bunch of #defines...
80  */
81 
82 typedef enum _days_of_week { sun, mon, tue, wed, thu, fri, sat, Sun=0, Mon,
83 			     Tue, Wed, Thu, Fri, Sat } days_of_week;
84 
85 #endif /* _H2PH_H_ */
86