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
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* makedefs.c - version 1.0.2 */
/* $FreeBSD$ */
#include <stdio.h>
#include <string.h>
/* construct definitions of object constants */
#define LINSZ 1000
#define STRSZ 40
int fd;
char string[STRSZ];
main(argc, argv)
int argc;
char **argv;
{
int index = 0;
int propct = 0;
char *sp;
if (argc != 2) {
(void)fprintf(stderr, "usage: makedefs file\n");
exit(1);
}
if ((fd = open(argv[1], 0)) < 0) {
perror(argv[1]);
exit(1);
}
skipuntil("objects[] = {");
while(getentry()) {
if(!*string){
index++;
continue;
}
for(sp = string; *sp; sp++)
if(*sp == ' ' || *sp == '\t' || *sp == '-')
*sp = '_';
if(!strncmp(string, "RIN_", 4)){
capitalize(string+4);
printf("#define %s u.uprops[%d].p_flgs\n",
string+4, propct++);
}
for(sp = string; *sp; sp++) capitalize(sp);
/* avoid trouble with stupid C preprocessors */
if(!strncmp(string, "WORTHLESS_PIECE_OF_", 19))
printf("/* #define %s %d */\n", string, index);
else
printf("#define %s %d\n", string, index);
index++;
}
printf("\n#define CORPSE DEAD_HUMAN\n");
printf("#define LAST_GEM (JADE+1)\n");
printf("#define LAST_RING %d\n", propct);
printf("#define NROFOBJECTS %d\n", index-1);
exit(0);
}
char line[LINSZ], *lp = line, *lp0 = line, *lpe = line;
int eof;
readline(){
int n = read(fd, lp0, (line+LINSZ)-lp0);
if(n < 0){
printf("Input error.\n");
exit(1);
}
if(n == 0) eof++;
lpe = lp0+n;
}
char
nextchar(){
if(lp == lpe){
readline();
lp = lp0;
}
return((lp == lpe) ? 0 : *lp++);
}
skipuntil(s) char *s; {
char *sp0, *sp1;
loop:
while(*s != nextchar())
if(eof) {
printf("Cannot skipuntil %s\n", s);
exit(1);
}
if(strlen(s) > lpe-lp+1){
char *lp1, *lp2;
lp2 = lp;
lp1 = lp = lp0;
while(lp2 != lpe) *lp1++ = *lp2++;
lp2 = lp0; /* save value */
lp0 = lp1;
readline();
lp0 = lp2;
if(strlen(s) > lpe-lp+1) {
printf("error in skipuntil");
exit(1);
}
}
sp0 = s+1;
sp1 = lp;
while(*sp0 && *sp0 == *sp1) sp0++, sp1++;
if(!*sp0){
lp = sp1;
return(1);
}
goto loop;
}
getentry(){
int inbraces = 0, inparens = 0, stringseen = 0, commaseen = 0;
int prefix = 0;
char ch;
#define NSZ 10
char identif[NSZ], *ip;
string[0] = string[4] = 0;
/* read until {...} or XXX(...) followed by ,
skip comment and #define lines
deliver 0 on failure
*/
while(1) {
ch = nextchar();
swi:
if(letter(ch)){
ip = identif;
do {
if(ip < identif+NSZ-1) *ip++ = ch;
ch = nextchar();
} while(letter(ch) || digit(ch));
*ip = 0;
while(ch == ' ' || ch == '\t') ch = nextchar();
if(ch == '(' && !inparens && !stringseen)
if(!strcmp(identif, "WAND") ||
!strcmp(identif, "RING") ||
!strcmp(identif, "POTION") ||
!strcmp(identif, "SCROLL"))
(void) strncpy(string, identif, 3),
string[3] = '_',
prefix = 4;
}
switch(ch) {
case '/':
/* watch for comment */
if((ch = nextchar()) == '*')
skipuntil("*/");
goto swi;
case '{':
inbraces++;
continue;
case '(':
inparens++;
continue;
case '}':
inbraces--;
if(inbraces < 0) return(0);
continue;
case ')':
inparens--;
if(inparens < 0) {
printf("too many ) ?");
exit(1);
}
continue;
case '\n':
/* watch for #define at begin of line */
if((ch = nextchar()) == '#'){
char pch;
/* skip until '\n' not preceded by '\\' */
do {
pch = ch;
ch = nextchar();
} while(ch != '\n' || pch == '\\');
continue;
}
goto swi;
case ',':
if(!inparens && !inbraces){
if(prefix && !string[prefix])
string[0] = 0;
if(stringseen) return(1);
printf("unexpected ,\n");
exit(1);
}
commaseen++;
continue;
case '\'':
if((ch = nextchar()) == '\\') ch = nextchar();
if(nextchar() != '\''){
printf("strange character denotation?\n");
exit(1);
}
continue;
case '"':
{
char *sp = string + prefix;
char pch;
int store = (inbraces || inparens)
&& !stringseen++ && !commaseen;
do {
pch = ch;
ch = nextchar();
if(store && sp < string+STRSZ)
*sp++ = ch;
} while(ch != '"' || pch == '\\');
if(store) *--sp = 0;
continue;
}
}
}
}
capitalize(sp) char *sp; {
if('a' <= *sp && *sp <= 'z') *sp += 'A'-'a';
}
letter(ch) char ch; {
return( ('a' <= ch && ch <= 'z') ||
('A' <= ch && ch <= 'Z') );
}
digit(ch) char ch; {
return( '0' <= ch && ch <= '9' );
}
|
