xref: /openbsd/gnu/usr.bin/perl/t/lib/h2ph.h (revision 256a93a4)
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 #undef'ining an existing constant function */
30 #define NOTTRUE 0
31 #undef NOTTRUE
32 
33 /* Test #ifdef */
34 #ifdef __SOME_UNIMPORTANT_PROPERTY
35 #define MIN(a,b) ((a) < (b) ? (a) : (b))
36 #endif /* __SOME_UNIMPORTANT_PROPERTY */
37 
38 /*
39  * Test #if, #elif, #else, #endif, #warn and #error, and '!'
40  * Also test whitespace between the '#' and the command
41  */
42 #if !(defined __SOMETHING_MORE_IMPORTANT)
43 #    warn Be careful...
44 #elif !(defined __SOMETHING_REALLY_REALLY_IMPORTANT)
45 #    error "Nup, can't go on" /* ' /* stupid font-lock-mode */
46 #else /* defined __SOMETHING_MORE_IMPORTANT && defined __SOMETHING_REALLY_REALLY_IMPORTANT */
47 #    define EVERYTHING_IS_OK
48 #endif
49 
50 /* Test && and || */
51 #undef WHATEVER
52 #if (!((defined __SOMETHING_TRIVIAL && defined __SOMETHING_LESS_SO)) \
53      || defined __SOMETHING_OVERPOWERING)
54 #    define WHATEVER 6
55 #elif !(defined __SOMETHING_TRIVIAL) /* defined __SOMETHING_LESS_SO */
56 #    define WHATEVER 7
57 #elif !(defined __SOMETHING_LESS_SO) /* defined __SOMETHING_TRIVIAL */
58 #    define WHATEVER 8
59 #else /* defined __SOMETHING_TRIVIAL && defined __SOMETHING_LESS_SO */
60 #    define WHATEVER 1000
61 #endif
62 
63 /* Test passing through the alien constructs (perlbug #34493) */
64 #ifdef __LANGUAGE_PASCAL__
65 function Tru64_Pascal(n: Integer): Integer;
66 #endif
67 
68 /*
69  * Test #include, #import and #include_next
70  * #include_next is difficult to test, it really depends on the actual
71  *  circumstances - for example, '#include_next <limits.h>' on a Linux system
72  *  with 'use lib qw(/opt/perl5/lib/site_perl/i586-linux/linux);' or whatever
73  *  your equivalent is...
74  */
75 #if 0
76 #include <sys/socket.h>
77 #import "sys/ioctl.h"
78 #include_next <sys/fcntl.h>
79 #endif
80 
81 /* typedefs should be ignored */
82 typedef struct a_struct {
83   int typedefs_should;
84   char be_ignored;
85   long as_well;
86 } a_typedef;
87 
88 /*
89  * however, typedefs of enums and just plain enums should end up being treated
90  * like a bunch of #defines...
91  */
92 
93 typedef enum _days_of_week { sun, mon, tue, wed, thu, fri, sat, Sun=0, Mon,
94                              Tue, Wed, Thu, Fri, Sat } days_of_week;
95 
96 /*
97  * Some moderate flexing of tri-graph pre substitution.
98  */
99 ??=ifndef _SOMETHING_TRIGRAPHIC
100 ??=define _SOMETHING_TRIGRAPHIC
101 ??= define SOMETHING_ELSE_TRIGRAPHIC_0 "??!"          /* | ??!|  || */
102  ??=define SOMETHING_ELSE_TRIGRAPHIC_1 "??'"          /* | ??'|  ^| */
103 ??= define SOMETHING_ELSE_TRIGRAPHIC_2 "??("          /* | ??(|  [| */
104  ??= define SOMETHING_ELSE_TRIGRAPHIC_3 "??)"         /* | ??)|  ]| */
105 ??=define SOMETHING_ELSE_TRIGRAPHIC_4  "??-0"         /* | ??-|  ~| */
106         ??= define SOMETHING_ELSE_TRIGRAPHIC_5 "??/ " /* | ??/|  \| */
107 ??= define SOMETHING_ELSE_TRIGRAPHIC_6 "??<"          /* | ??<|  {| */
108 ??=define SOMETHING_ELSE_TRIGRAPHIC_7  "??="          /* | ??=|  #| */
109 ??= define SOMETHING_ELSE_TRIGRAPHIC_8 "??>"          /* | ??>|  }| */
110         ??=endif
111 
112 // test C++-style comment
113 
114 #if 1
115 typdef struct empty_struct {
116 } // trailing C++-style comment should not force continuation
117 #endif
118 
119 /* comments (that look like string) inside enums... */
120 
121 enum {
122    /* foo;
123      can't
124    */
125  };
126 
127 enum flimflam {
128   flim,
129    /* foo;
130      can't
131    */
132   flam
133  } flamflim;
134 
blli_in_use(struct atm_blli blli)135 static __inline__ int blli_in_use(struct atm_blli blli)
136 {
137   return blli.l2_proto || blli.l3_proto;
138 }
139 
140 /* Handle multi-line quoted strings: */
141 __asm__ __volatile__("
142     this
143     produces
144     no
145     output
146 ");
147 
148 #define multiline "multiline
149 string"
150 
151 #endif /* _H2PH_H_ */
152