-
Notifications
You must be signed in to change notification settings - Fork 2
/
gperl-i11n-callback.c
168 lines (138 loc) · 4.4 KB
/
gperl-i11n-callback.c
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
158
159
160
161
162
163
164
165
166
167
168
/* -*- mode: c; indent-tabs-mode: t; c-basic-offset: 8; -*- */
static GPerlI11nPerlCallbackInfo *
create_perl_callback_closure (GICallableInfo *cb_info, SV *code)
{
GPerlI11nPerlCallbackInfo *info;
info = g_new0 (GPerlI11nPerlCallbackInfo, 1);
if (!gperl_sv_is_defined (code))
return info;
info->interface = g_base_info_ref (cb_info);
info->cif = g_new0 (ffi_cif, 1);
#if GI_CHECK_VERSION (1, 72, 0)
info->closure =
g_callable_info_create_closure (info->interface,
info->cif,
invoke_perl_code,
info);
#else
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
info->closure =
g_callable_info_prepare_closure (info->interface,
info->cif,
invoke_perl_code,
info);
G_GNUC_END_IGNORE_DEPRECATIONS
#endif
/* FIXME: This should most likely use SvREFCNT_inc instead of
* newSVsv. */
info->code = newSVsv (code);
info->sub_name = NULL;
/* These are only relevant for signal marshalling; if needed, they get
* set in invoke_perl_signal_handler. */
info->swap_data = FALSE;
info->args_converter = NULL;
#ifdef PERL_IMPLICIT_CONTEXT
info->priv = aTHX;
#endif
return info;
}
static void
attach_perl_callback_data (GPerlI11nPerlCallbackInfo *info, SV *data)
{
/* FIXME: SvREFCNT_inc? */
info->data = newSVsv (data);
}
/* assumes ownership of sub_name */
static GPerlI11nPerlCallbackInfo *
create_perl_callback_closure_for_named_sub (GICallableInfo *cb_info, gchar *sub_name)
{
GPerlI11nPerlCallbackInfo *info;
info = g_new0 (GPerlI11nPerlCallbackInfo, 1);
info->interface = g_base_info_ref (cb_info);
info->cif = g_new0 (ffi_cif, 1);
#if GI_CHECK_VERSION (1, 72, 0)
info->closure =
g_callable_info_create_closure (info->interface,
info->cif,
invoke_perl_code,
info);
#else
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
info->closure =
g_callable_info_prepare_closure (info->interface,
info->cif,
invoke_perl_code,
info);
G_GNUC_END_IGNORE_DEPRECATIONS
#endif
info->sub_name = sub_name;
info->code = NULL;
info->data = NULL;
#ifdef PERL_IMPLICIT_CONTEXT
info->priv = aTHX;
#endif
return info;
}
static void
release_perl_callback (gpointer data)
{
GPerlI11nPerlCallbackInfo *info = data;
dwarn ("info = %p\n", info);
/* g_callable_info_free_closure reaches into info->cif, so it needs to
* be called before we free it. See
* <https://bugzilla.gnome.org/show_bug.cgi?id=652954>. */
#if defined(GI_CHECK_VERSION) && GI_CHECK_VERSION (1, 72, 0)
if (info->closure)
g_callable_info_destroy_closure (info->interface, info->closure);
#else
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
if (info->closure)
g_callable_info_free_closure (info->interface, info->closure);
G_GNUC_END_IGNORE_DEPRECATIONS
#endif
if (info->cif)
g_free (info->cif);
if (info->interface)
g_base_info_unref ((GIBaseInfo*) info->interface);
if (info->code)
SvREFCNT_dec (info->code);
if (info->data)
SvREFCNT_dec (info->data);
if (info->sub_name)
g_free (info->sub_name);
if (info->args_converter)
SvREFCNT_dec (info->args_converter);
g_free (info);
}
/* -------------------------------------------------------------------------- */
static GPerlI11nCCallbackInfo *
create_c_callback_closure (GIBaseInfo *interface, gpointer func)
{
GPerlI11nCCallbackInfo *info;
info = g_new0 (GPerlI11nCCallbackInfo, 1);
if (!func)
return info;
info->interface = interface;
g_base_info_ref (interface);
info->func = func;
return info;
}
static void
attach_c_callback_data (GPerlI11nCCallbackInfo *info, gpointer data)
{
info->data = data;
}
static void
release_c_callback (gpointer data)
{
GPerlI11nCCallbackInfo *info = data;
dwarn ("info = %p\n", info);
/* FIXME: we cannot call the destroy notify here because it might be
* our own release_perl_callback which would try to free the ffi stuff
* that is currently running. */
/* if (info->destroy) */
/* info->destroy (info->data); */
if (info->interface)
g_base_info_unref (info->interface);
g_free (info);
}