File: probing.xs

package info (click to toggle)
libxs-parse-keyword-perl 0.48-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 572 kB
  • sloc: ansic: 2,037; perl: 1,013; sh: 6; makefile: 3
file content (186 lines) | stat: -rw-r--r-- 4,847 bytes parent folder | download
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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
/*  You may distribute under the terms of either the GNU General Public License
 *  or the Artistic License (the same terms as Perl itself)
 *
 *  (C) Paul Evans, 2021 -- leonerd@leonerd.org.uk
 */

#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"

#include "XSParseKeyword.h"

#include "perl-backcompat.c.inc"

static const char hintkey[] = "t::probing/permit";

static int build_constbool(pTHX_ OP **out, XSParseKeywordPiece *args[], size_t nargs, void *hookdata)
{
  *out = newSVOP(OP_CONST, 0, boolSV(args[0]->i));
  return KEYWORD_PLUGIN_EXPR;
}

static int build_repeatcount(pTHX_ OP **out, XSParseKeywordPiece *args[], size_t nargs, void *hookdata)
{
  *out = newSVOP(OP_CONST, 0, newSViv(args[0]->i ? args[1]->i : 0));
  return KEYWORD_PLUGIN_EXPR;
}

static const struct XSParseKeywordHooks hooks_colon = {
  .permit_hintkey = hintkey,

  .pieces = (const struct XSParseKeywordPieceType []){
    XPK_OPTIONAL( XPK_COLON ),
    {0}
  },
  .build = &build_constbool,
};

static const struct XSParseKeywordHooks hooks_literal = {
  .permit_hintkey = hintkey,

  .pieces = (const struct XSParseKeywordPieceType []){
    XPK_OPTIONAL( XPK_LITERAL("literal") ),
    {0}
  },
  .build = &build_constbool,
};

static const struct XSParseKeywordHooks hooks_block = {
  .permit_hintkey = hintkey,

  .pieces = (const struct XSParseKeywordPieceType []){
    XPK_OPTIONAL( XPK_BLOCK ),
    {0}
  },
  .build = &build_constbool,
};

static const struct XSParseKeywordHooks hooks_ident = {
  .permit_hintkey = hintkey,

  .pieces = (const struct XSParseKeywordPieceType []){
    XPK_OPTIONAL( XPK_IDENT ),
    {0}
  },
  .build = &build_constbool,
};

static const struct XSParseKeywordHooks hooks_packagename = {
  .permit_hintkey = hintkey,

  .pieces = (const struct XSParseKeywordPieceType []){
    XPK_OPTIONAL( XPK_PACKAGENAME ),
    {0}
  },
  .build = &build_constbool,
};

static const struct XSParseKeywordHooks hooks_vstring = {
  .permit_hintkey = hintkey,

  .pieces = (const struct XSParseKeywordPieceType []){
    XPK_OPTIONAL( XPK_VSTRING ),
    {0}
  },
  .build = &build_constbool,
};

static const struct XSParseKeywordHooks hooks_choice = {
  .permit_hintkey = hintkey,

  .pieces = (const struct XSParseKeywordPieceType []){
    XPK_OPTIONAL( XPK_CHOICE(
      XPK_LITERAL("x"),
      XPK_LITERAL("z")
    ) ),
    {0}
  },
  .build = &build_constbool,
};

static const struct XSParseKeywordHooks hooks_taggedchoice = {
  .permit_hintkey = hintkey,

  .pieces = (const struct XSParseKeywordPieceType []){
    XPK_OPTIONAL( XPK_TAGGEDCHOICE(
      XPK_LITERAL("x"), XPK_TAG('x'),
      XPK_LITERAL("z"), XPK_TAG('z')
    ) ),
    {0}
  },
  .build = &build_constbool,
};

static const struct XSParseKeywordHooks hooks_commalist = {
  .permit_hintkey = hintkey,

  .pieces = (const struct XSParseKeywordPieceType []) {
    XPK_OPTIONAL( XPK_COMMALIST( XPK_IDENT ) ),
    {0},
  },
  .build = &build_repeatcount,
};

static const struct XSParseKeywordHooks hooks_parens = {
  .permit_hintkey = hintkey,

  .pieces = (const struct XSParseKeywordPieceType []){
    XPK_OPTIONAL( XPK_PARENS( XPK_TERMEXPR ) ),
    {0}
  },
  .build = &build_constbool,
};

static const struct XSParseKeywordHooks hooks_brackets = {
  .permit_hintkey = hintkey,

  .pieces = (const struct XSParseKeywordPieceType []){
    XPK_OPTIONAL( XPK_BRACKETS( XPK_TERMEXPR ) ),
    {0}
  },
  .build = &build_constbool,
};

static const struct XSParseKeywordHooks hooks_braces = {
  .permit_hintkey = hintkey,

  .pieces = (const struct XSParseKeywordPieceType []){
    XPK_OPTIONAL( XPK_BRACES( XPK_TERMEXPR ) ),
    {0}
  },
  .build = &build_constbool,
};

static const struct XSParseKeywordHooks hooks_chevrons = {
  .permit_hintkey = hintkey,

  .pieces = (const struct XSParseKeywordPieceType []){
    XPK_OPTIONAL( XPK_CHEVRONS( XPK_IDENT ) ),
    {0}
  },
  .build = &build_constbool,
};

MODULE = t::probing  PACKAGE = t::probing

BOOT:
  boot_xs_parse_keyword(0);

  register_xs_parse_keyword("probecolon", &hooks_colon, NULL);
  register_xs_parse_keyword("probeliteral", &hooks_literal, NULL);

  register_xs_parse_keyword("probeblock", &hooks_block, NULL);
  register_xs_parse_keyword("probeident", &hooks_ident, NULL);
  register_xs_parse_keyword("probepackagename", &hooks_packagename, NULL);
  register_xs_parse_keyword("probevstring", &hooks_vstring, NULL);

  register_xs_parse_keyword("probechoice", &hooks_choice, NULL);
  register_xs_parse_keyword("probetaggedchoice", &hooks_taggedchoice, NULL);

  register_xs_parse_keyword("probecommalist", &hooks_commalist, NULL);

  register_xs_parse_keyword("probeparens", &hooks_parens, NULL);
  register_xs_parse_keyword("probebrackets", &hooks_brackets, NULL);
  register_xs_parse_keyword("probebraces", &hooks_braces, NULL);
  register_xs_parse_keyword("probechevrons", &hooks_chevrons, NULL);