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
|
/*
* $Id: lisp.c 717 2009-07-07 03:40:50Z dhiebert $
*
* Copyright (c) 2000-2002, Darren Hiebert
*
* This source code is released for free distribution under the terms of the
* GNU General Public License.
*
* This module contains functions for generating tags for LISP files.
*/
/*
* INCLUDE FILES
*/
#include "general.h" /* must always come first */
#include "parse.h"
#include "read.h"
#include "vstring.h"
/*
* DATA DEFINITIONS
*/
typedef enum {
K_FUNCTION
} lispKind;
static kindOption LispKinds [] = {
{ TRUE, 'f', "function", "functions" }
};
/*
* FUNCTION DEFINITIONS
*/
/*
* lisp tag functions
* look for (def or (DEF, quote or QUOTE
*/
static int L_isdef (const unsigned char *strp)
{
return ( (strp [1] == 'd' || strp [1] == 'D')
&& (strp [2] == 'e' || strp [2] == 'E')
&& (strp [3] == 'f' || strp [3] == 'F'));
}
static int L_isquote (const unsigned char *strp)
{
return ( (*(++strp) == 'q' || *strp == 'Q')
&& (*(++strp) == 'u' || *strp == 'U')
&& (*(++strp) == 'o' || *strp == 'O')
&& (*(++strp) == 't' || *strp == 'T')
&& (*(++strp) == 'e' || *strp == 'E')
&& isspace (*(++strp)));
}
static void L_getit (vString *const name, const unsigned char *dbp)
{
const unsigned char *p;
if (*dbp == '\'') /* Skip prefix quote */
dbp++;
else if (*dbp == '(' && L_isquote (dbp)) /* Skip "(quote " */
{
dbp += 7;
while (isspace (*dbp))
dbp++;
}
for (p=dbp ; *p!='\0' && *p!='(' && !isspace ((int) *p) && *p!=')' ; p++)
vStringPut (name, *p);
vStringTerminate (name);
if (vStringLength (name) > 0)
makeSimpleTag (name, LispKinds, K_FUNCTION);
vStringClear (name);
}
/* Algorithm adapted from from GNU etags.
*/
static void findLispTags (void)
{
vString *name = vStringNew ();
const unsigned char* p;
while ((p = fileReadLine ()) != NULL)
{
if (*p == '(')
{
if (L_isdef (p))
{
while (*p != '\0' && !isspace ((int) *p))
p++;
while (isspace ((int) *p))
p++;
L_getit (name, p);
}
else
{
/* Check for (foo::defmumble name-defined ... */
do
p++;
while (*p != '\0' && !isspace ((int) *p)
&& *p != ':' && *p != '(' && *p != ')');
if (*p == ':')
{
do
p++;
while (*p == ':');
if (L_isdef (p - 1))
{
while (*p != '\0' && !isspace ((int) *p))
p++;
while (isspace (*p))
p++;
L_getit (name, p);
}
}
}
}
}
vStringDelete (name);
}
extern parserDefinition* LispParser (void)
{
static const char *const extensions [] = {
"cl", "clisp", "el", "l", "lisp", "lsp", NULL
};
parserDefinition* def = parserNew ("Lisp");
def->kinds = LispKinds;
def->kindCount = KIND_COUNT (LispKinds);
def->extensions = extensions;
def->parser = findLispTags;
return def;
}
/* vi:set tabstop=4 shiftwidth=4: */
|
