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
|
// Copyright Naoki Shibata and contributors 2010 - 2020.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <stdbool.h>
#define N 1000
int nkeywords = 0, nalloc = 0;
char **keywords = NULL, *suffix = NULL;
void insert(char *buf) {
for(int i=0;i<nkeywords;i++) {
if (strcmp(keywords[i], buf) == 0) printf("%s", suffix);
}
}
void doit(FILE *fp) {
int state = 0;
bool nl = true;
char buf[N+10], *p = buf;
for(;;) {
int c = getc(fp);
if (c == EOF) break;
switch(state) {
case 0:
if (isalnum(c) || c == '_') {
ungetc(c, fp);
p = buf;
state = 1;
break;
}
if (c == '/') {
int c2 = getc(fp);
if (c2 == '*') {
putc(c, stdout);
putc(c2, stdout);
state = 4;
break;
} else if (c2 == '/') {
putc(c, stdout);
putc(c2, stdout);
do {
c = getc(fp);
putc(c, stdout);
} while(c != '\n');
break;
}
ungetc(c2, fp);
}
if (nl && c == '#') {
putc(c, stdout);
do {
c = getc(fp);
putc(c, stdout);
} while(c != '\n');
break;
}
putc(c, stdout);
if (!isspace(c)) nl = false;
if (c == '\n') nl = true;
if (c == '\"') state = 2;
if (c == '\'') state = 3;
break;
case 1: // Identifier
if (isalnum(c) || c == '_') {
if (p - buf < N) { *p++ = c; *p = '\0'; }
putc(c, stdout);
} else if (c == '\"') {
insert(buf);
putc(c, stdout);
state = 2;
} else if (c == '\'') {
insert(buf);
putc(c, stdout);
state = 3;
} else {
insert(buf);
putc(c, stdout);
state = 0;
}
break;
case 2: // String
if (c == '\\') {
putc(c, stdout);
putc(getc(fp), stdout);
} else if (c == '\"') {
putc(c, stdout);
state = 0;
} else {
putc(c, stdout);
}
break;
case 3: // Character
if (c == '\\') {
putc(c, stdout);
putc(getc(fp), stdout);
} else if (c == '\'') {
putc(c, stdout);
state = 0;
} else {
putc(c, stdout);
}
break;
case 4: // Comment
if (c == '*') {
int c2 = getc(fp);
if (c2 == '/') {
putc(c, stdout);
putc(c2, stdout);
state = 0;
break;
}
ungetc(c2, fp);
}
putc(c, stdout);
break;
}
}
}
int main(int argc, char **argv) {
nalloc = 1;
keywords = malloc(sizeof(char *) * nalloc);
if (argc != 4) {
fprintf(stderr, "%s <input file> <keywords file> <suffix>\n", argv[0]);
fprintf(stderr, "Add the suffix to keywords\n");
exit(-1);
}
FILE *fp = fopen(argv[2], "r");
if (fp == NULL) {
fprintf(stderr, "Cannot open %s\n", argv[2]);
exit(-1);
}
char buf[N];
while(fgets(buf, N, fp) != NULL) {
if (strlen(buf) >= 1) buf[strlen(buf)-1] = '\0';
keywords[nkeywords] = malloc(sizeof(char) * (strlen(buf) + 1));
strcpy(keywords[nkeywords], buf);
nkeywords++;
if (nkeywords >= nalloc) {
nalloc *= 2;
keywords = realloc(keywords, sizeof(char *) * nalloc);
}
}
fclose(fp);
suffix = argv[3];
fp = fopen(argv[1], "r");
if (fp == NULL) {
fprintf(stderr, "Cannot open %s\n", argv[1]);
exit(-1);
}
doit(fp);
fclose(fp);
exit(0);
}
// cat sleefinline*.h | egrep -o '[a-zA-Z_][0-9a-zA-Z_]*' | sort | uniq > cand.txt
|