aboutsummaryrefslogtreecommitdiff
path: root/Lib/ruby/rubyhead.swg
blob: 9960087c6a8e2aa8d3d944703ad4acb8d02f5a65 (plain)
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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
#include <ruby.h>

/* Ruby 1.9.1 has a "memoisation optimisation" when compiling with GCC which
 * breaks using rb_intern as an lvalue, as SWIG does.  We work around this
 * issue for now by disabling this.
 * https://sourceforge.net/tracker/?func=detail&aid=2859614&group_id=1645&atid=101645
 */
#ifdef rb_intern
# undef rb_intern
#endif

/* Remove global macros defined in Ruby's win32.h */
#ifdef write
# undef write
#endif
#ifdef read
# undef read
#endif
#ifdef bind
# undef bind
#endif
#ifdef close
# undef close
#endif
#ifdef connect
# undef connect
#endif


/* Ruby 1.7 defines NUM2LL(), LL2NUM() and ULL2NUM() macros */
#ifndef NUM2LL
#define NUM2LL(x) NUM2LONG((x))
#endif
#ifndef LL2NUM
#define LL2NUM(x) INT2NUM((long) (x))
#endif
#ifndef ULL2NUM
#define ULL2NUM(x) UINT2NUM((unsigned long) (x))
#endif

/* Ruby 1.7 doesn't (yet) define NUM2ULL() */
#ifndef NUM2ULL
#ifdef HAVE_LONG_LONG
#define NUM2ULL(x) rb_num2ull((x))
#else
#define NUM2ULL(x) NUM2ULONG(x)
#endif
#endif

/* RSTRING_LEN, etc are new in Ruby 1.9, but ->ptr and ->len no longer work */
/* Define these for older versions so we can just write code the new way */
#ifndef RSTRING_LEN
# define RSTRING_LEN(x) RSTRING(x)->len
#endif
#ifndef RSTRING_PTR
# define RSTRING_PTR(x) RSTRING(x)->ptr
#endif
#ifndef RSTRING_END
# define RSTRING_END(x) (RSTRING_PTR(x) + RSTRING_LEN(x))
#endif
#ifndef RARRAY_LEN
# define RARRAY_LEN(x) RARRAY(x)->len
#endif
#ifndef RARRAY_PTR
# define RARRAY_PTR(x) RARRAY(x)->ptr
#endif
#ifndef RFLOAT_VALUE
# define RFLOAT_VALUE(x) RFLOAT(x)->value
#endif
#ifndef DOUBLE2NUM
# define DOUBLE2NUM(x) rb_float_new(x)
#endif
#ifndef RHASH_TBL
# define RHASH_TBL(x) (RHASH(x)->tbl)
#endif
#ifndef RHASH_ITER_LEV
# define RHASH_ITER_LEV(x) (RHASH(x)->iter_lev)
#endif
#ifndef RHASH_IFNONE
# define RHASH_IFNONE(x) (RHASH(x)->ifnone)
#endif
#ifndef RHASH_SIZE
# define RHASH_SIZE(x) (RHASH(x)->tbl->num_entries)
#endif
#ifndef RHASH_EMPTY_P
# define RHASH_EMPTY_P(x) (RHASH_SIZE(x) == 0)
#endif
#ifndef RSTRUCT_LEN
# define RSTRUCT_LEN(x) RSTRUCT(x)->len
#endif
#ifndef RSTRUCT_PTR
# define RSTRUCT_PTR(x) RSTRUCT(x)->ptr
#endif



/*
 * Need to be very careful about how these macros are defined, especially
 * when compiling C++ code or C code with an ANSI C compiler.
 *
 * VALUEFUNC(f) is a macro used to typecast a C function that implements
 * a Ruby method so that it can be passed as an argument to API functions
 * like rb_define_method() and rb_define_singleton_method().
 *
 * VOIDFUNC(f) is a macro used to typecast a C function that implements
 * either the "mark" or "free" stuff for a Ruby Data object, so that it
 * can be passed as an argument to API functions like Data_Wrap_Struct()
 * and Data_Make_Struct().
 */
 
#ifdef __cplusplus
#  ifndef RUBY_METHOD_FUNC /* These definitions should work for Ruby 1.4.6 */
#    define PROTECTFUNC(f) ((VALUE (*)()) f)
#    define VALUEFUNC(f) ((VALUE (*)()) f)
#    define VOIDFUNC(f)  ((void (*)()) f)
#  else
#    ifndef ANYARGS /* These definitions should work for Ruby 1.6 */
#      define PROTECTFUNC(f) ((VALUE (*)()) f)
#      define VALUEFUNC(f) ((VALUE (*)()) f)
#      define VOIDFUNC(f)  ((RUBY_DATA_FUNC) f)
#    else /* These definitions should work for Ruby 1.7+ */
#      define PROTECTFUNC(f) ((VALUE (*)(VALUE)) f)
#      define VALUEFUNC(f) ((VALUE (*)(ANYARGS)) f)
#      define VOIDFUNC(f)  ((RUBY_DATA_FUNC) f)
#    endif
#  endif
#else
#  define VALUEFUNC(f) (f)
#  define VOIDFUNC(f) (f)
#endif

/* Don't use for expressions have side effect */
#ifndef RB_STRING_VALUE
#define RB_STRING_VALUE(s) (TYPE(s) == T_STRING ? (s) : (*(volatile VALUE *)&(s) = rb_str_to_str(s)))
#endif
#ifndef StringValue
#define StringValue(s) RB_STRING_VALUE(s)
#endif
#ifndef StringValuePtr
#define StringValuePtr(s) RSTRING_PTR(RB_STRING_VALUE(s))
#endif
#ifndef StringValueLen
#define StringValueLen(s) RSTRING_LEN(RB_STRING_VALUE(s))
#endif
#ifndef SafeStringValue
#define SafeStringValue(v) do {\
    StringValue(v);\
    rb_check_safe_str(v);\
} while (0)
#endif

#ifndef HAVE_RB_DEFINE_ALLOC_FUNC
#define rb_define_alloc_func(klass, func) rb_define_singleton_method((klass), "new", VALUEFUNC((func)), -1)
#define rb_undef_alloc_func(klass) rb_undef_method(CLASS_OF((klass)), "new")
#endif

static VALUE _mSWIG = Qnil;