Commit | Line | Data |
---|---|---|
c9288c68 | 1 | static char *sccsid = "@(#)cb.c 4.4 (Berkeley) %G%"; |
6c66202d BJ |
2 | #include <stdio.h> |
3 | int slevel[10]; | |
4 | int clevel = 0; | |
5 | int spflg[20][10]; | |
6 | int sind[20][10]; | |
7 | int siflev[10]; | |
8 | int sifflg[10]; | |
9 | int iflev = 0; | |
10 | int ifflg = -1; | |
11 | int level = 0; | |
12 | int ind[10] = { | |
13 | 0,0,0,0,0,0,0,0,0,0 }; | |
14 | int eflg = 0; | |
15 | int paren = 0; | |
16 | int pflg[10] = { | |
17 | 0,0,0,0,0,0,0,0,0,0 }; | |
18 | char lchar; | |
19 | char pchar; | |
20 | int aflg = 0; | |
21 | int ct; | |
22 | int stabs[20][10]; | |
23 | int qflg = 0; | |
24 | char *wif[] = { | |
25 | "if",0}; | |
26 | char *welse[] = { | |
27 | "else",0}; | |
28 | char *wfor[] = { | |
29 | "for",0}; | |
30 | char *wds[] = { | |
31 | "case","default",0}; | |
32 | int j = 0; | |
33 | char string[200]; | |
34 | char cc; | |
35 | int sflg = 1; | |
36 | int peek = -1; | |
37 | int tabs = 0; | |
38 | int lastchar; | |
39 | int c; | |
031f4dae | 40 | int getstr(); |
6c66202d BJ |
41 | main(argc,argv) int argc; |
42 | char argv[]; | |
43 | { | |
44 | while((c = getch()) != EOF){ | |
45 | switch(c){ | |
46 | case ' ': | |
47 | case '\t': | |
48 | if(lookup(welse) == 1){ | |
49 | gotelse(); | |
50 | if(sflg == 0 || j > 0)string[j++] = c; | |
51 | puts(); | |
52 | sflg = 0; | |
53 | continue; | |
54 | } | |
55 | if(sflg == 0 || j > 0)string[j++] = c; | |
56 | continue; | |
57 | case '\n': | |
58 | if((eflg = lookup(welse)) == 1)gotelse(); | |
59 | puts(); | |
60 | printf("\n"); | |
61 | sflg = 1; | |
62 | if(eflg == 1){ | |
63 | pflg[level]++; | |
64 | tabs++; | |
65 | } | |
66 | else | |
67 | if(pchar == lchar) | |
68 | aflg = 1; | |
69 | continue; | |
70 | case '{': | |
71 | if(lookup(welse) == 1)gotelse(); | |
72 | siflev[clevel] = iflev; | |
73 | sifflg[clevel] = ifflg; | |
74 | iflev = ifflg = 0; | |
75 | clevel++; | |
76 | if(sflg == 1 && pflg[level] != 0){ | |
77 | pflg[level]--; | |
78 | tabs--; | |
79 | } | |
80 | string[j++] = c; | |
81 | puts(); | |
82 | getnl(); | |
83 | puts(); | |
84 | printf("\n"); | |
85 | tabs++; | |
86 | sflg = 1; | |
87 | if(pflg[level] > 0){ | |
88 | ind[level] = 1; | |
89 | level++; | |
90 | slevel[level] = clevel; | |
91 | } | |
92 | continue; | |
93 | case '}': | |
94 | clevel--; | |
95 | if((iflev = siflev[clevel]-1) < 0)iflev = 0; | |
96 | ifflg = sifflg[clevel]; | |
97 | if(pflg[level] >0 && ind[level] == 0){ | |
98 | tabs -= pflg[level]; | |
99 | pflg[level] = 0; | |
100 | } | |
101 | puts(); | |
102 | tabs--; | |
103 | ptabs(); | |
104 | if((peek = getch()) == ';'){ | |
105 | printf("%c;",c); | |
106 | peek = -1; | |
107 | } | |
108 | else printf("%c",c); | |
109 | getnl(); | |
110 | puts(); | |
111 | printf("\n"); | |
112 | sflg = 1; | |
113 | if(clevel < slevel[level])if(level > 0)level--; | |
114 | if(ind[level] != 0){ | |
115 | tabs -= pflg[level]; | |
116 | pflg[level] = 0; | |
117 | ind[level] = 0; | |
118 | } | |
119 | continue; | |
120 | case '"': | |
121 | case '\'': | |
122 | string[j++] = c; | |
123 | while((cc = getch()) != c){ | |
124 | string[j++] = cc; | |
125 | if(cc == '\\'){ | |
126 | string[j++] = getch(); | |
127 | } | |
128 | if(cc == '\n'){ | |
129 | puts(); | |
130 | sflg = 1; | |
131 | } | |
132 | } | |
133 | string[j++] = cc; | |
134 | if(getnl() == 1){ | |
135 | lchar = cc; | |
136 | peek = '\n'; | |
137 | } | |
138 | continue; | |
139 | case ';': | |
140 | string[j++] = c; | |
141 | puts(); | |
142 | if(pflg[level] > 0 && ind[level] == 0){ | |
143 | tabs -= pflg[level]; | |
144 | pflg[level] = 0; | |
145 | } | |
146 | getnl(); | |
147 | puts(); | |
148 | printf("\n"); | |
149 | sflg = 1; | |
150 | if(iflev > 0) | |
151 | if(ifflg == 1){iflev--; | |
152 | ifflg = 0; | |
153 | } | |
154 | else iflev = 0; | |
155 | continue; | |
156 | case '\\': | |
157 | string[j++] = c; | |
158 | string[j++] = getch(); | |
159 | continue; | |
160 | case '?': | |
161 | qflg = 1; | |
162 | string[j++] = c; | |
163 | continue; | |
164 | case ':': | |
165 | string[j++] = c; | |
166 | if(qflg == 1){ | |
167 | qflg = 0; | |
168 | continue; | |
169 | } | |
170 | if(lookup(wds) == 0){ | |
171 | sflg = 0; | |
172 | puts(); | |
173 | } | |
174 | else{ | |
175 | tabs--; | |
176 | puts(); | |
177 | tabs++; | |
178 | } | |
179 | if((peek = getch()) == ';'){ | |
180 | printf(";"); | |
181 | peek = -1; | |
182 | } | |
183 | getnl(); | |
184 | puts(); | |
185 | printf("\n"); | |
186 | sflg = 1; | |
187 | continue; | |
188 | case '/': | |
189 | string[j++] = c; | |
190 | if((peek = getch()) != '*')continue; | |
191 | string[j++] = peek; | |
192 | peek = -1; | |
193 | comment(); | |
194 | continue; | |
195 | case ')': | |
196 | paren--; | |
197 | string[j++] = c; | |
198 | puts(); | |
199 | if(getnl() == 1){ | |
200 | peek = '\n'; | |
201 | if(paren != 0)aflg = 1; | |
202 | else if(tabs > 0){ | |
203 | pflg[level]++; | |
204 | tabs++; | |
205 | ind[level] = 0; | |
206 | } | |
207 | } | |
208 | continue; | |
209 | case '#': | |
210 | string[j++] = c; | |
211 | while((cc = getch()) != '\n')string[j++] = cc; | |
212 | string[j++] = cc; | |
213 | sflg = 0; | |
214 | puts(); | |
215 | sflg = 1; | |
216 | continue; | |
217 | case '(': | |
218 | string[j++] = c; | |
219 | paren++; | |
220 | if(lookup(wfor) == 1){ | |
031f4dae | 221 | while((c = getstr()) != ';'); |
6c66202d BJ |
222 | ct=0; |
223 | cont: | |
031f4dae | 224 | while((c = getstr()) != ')'){ |
6c66202d BJ |
225 | if(c == '(') ct++; |
226 | } | |
227 | if(ct != 0){ | |
228 | ct--; | |
229 | goto cont; | |
230 | } | |
231 | paren--; | |
232 | puts(); | |
233 | if(getnl() == 1){ | |
234 | peek = '\n'; | |
235 | pflg[level]++; | |
236 | tabs++; | |
237 | ind[level] = 0; | |
238 | } | |
239 | continue; | |
240 | } | |
241 | if(lookup(wif) == 1){ | |
242 | puts(); | |
243 | stabs[clevel][iflev] = tabs; | |
244 | spflg[clevel][iflev] = pflg[level]; | |
245 | sind[clevel][iflev] = ind[level]; | |
246 | iflev++; | |
247 | ifflg = 1; | |
248 | } | |
249 | continue; | |
250 | default: | |
251 | string[j++] = c; | |
252 | if(c != ',')lchar = c; | |
253 | } | |
254 | } | |
255 | } | |
256 | ptabs(){ | |
257 | int i; | |
258 | for(i=0; i < tabs; i++)printf("\t"); | |
259 | } | |
260 | getch(){ | |
261 | if(peek < 0 && lastchar != ' ' && lastchar != '\t')pchar = lastchar; | |
262 | lastchar = (peek<0) ? getc(stdin):peek; | |
263 | peek = -1; | |
264 | return(lastchar); | |
265 | } | |
266 | puts(){ | |
267 | if(j > 0){ | |
268 | if(sflg != 0){ | |
269 | ptabs(); | |
270 | sflg = 0; | |
271 | if(aflg == 1){ | |
272 | aflg = 0; | |
273 | if(tabs > 0)printf(" "); | |
274 | } | |
275 | } | |
276 | string[j] = '\0'; | |
277 | printf("%s",string); | |
278 | j = 0; | |
279 | } | |
280 | else{ | |
281 | if(sflg != 0){ | |
282 | sflg = 0; | |
283 | aflg = 0; | |
284 | } | |
285 | } | |
286 | } | |
287 | lookup(tab) | |
288 | char *tab[]; | |
289 | { | |
290 | char r; | |
291 | int l,kk,k,i; | |
292 | if(j < 1)return(0); | |
293 | kk=0; | |
294 | while(string[kk] == ' ')kk++; | |
295 | for(i=0; tab[i] != 0; i++){ | |
296 | l=0; | |
297 | for(k=kk;(r = tab[i][l++]) == string[k] && r != '\0';k++); | |
298 | if(r == '\0' && (string[k] < 'a' || string[k] > 'z' || k >= j))return(1); | |
299 | } | |
300 | return(0); | |
301 | } | |
031f4dae | 302 | getstr(){ |
6c66202d BJ |
303 | char ch; |
304 | beg: | |
305 | if((ch = string[j++] = getch()) == '\\'){ | |
306 | string[j++] = getch(); | |
307 | goto beg; | |
308 | } | |
309 | if(ch == '\'' || ch == '"'){ | |
310 | while((cc = string[j++] = getch()) != ch)if(cc == '\\')string[j++] = getch(); | |
311 | goto beg; | |
312 | } | |
313 | if(ch == '\n'){ | |
314 | puts(); | |
315 | aflg = 1; | |
316 | goto beg; | |
317 | } | |
318 | else return(ch); | |
319 | } | |
320 | gotelse(){ | |
321 | tabs = stabs[clevel][iflev]; | |
322 | pflg[level] = spflg[clevel][iflev]; | |
323 | ind[level] = sind[clevel][iflev]; | |
324 | ifflg = 1; | |
325 | } | |
326 | getnl(){ | |
327 | while((peek = getch()) == '\t' || peek == ' '){ | |
328 | string[j++] = peek; | |
329 | peek = -1; | |
330 | } | |
331 | if((peek = getch()) == '/'){ | |
332 | peek = -1; | |
333 | if((peek = getch()) == '*'){ | |
334 | string[j++] = '/'; | |
335 | string[j++] = '*'; | |
336 | peek = -1; | |
337 | comment(); | |
338 | } | |
339 | else string[j++] = '/'; | |
340 | } | |
341 | if((peek = getch()) == '\n'){ | |
342 | peek = -1; | |
343 | return(1); | |
344 | } | |
345 | return(0); | |
346 | } | |
347 | comment(){ | |
c256d16f DS |
348 | int i = j; |
349 | ||
350 | while ((c = getch()) != EOF) { | |
351 | string[j++] = c; | |
352 | switch(c) { | |
353 | case '/': | |
354 | if (j > i + 1 && string[j-2] == '*') | |
355 | return; | |
356 | break; | |
357 | case '\n': | |
6c66202d | 358 | puts(); |
c9288c68 | 359 | i = 0; |
6c66202d | 360 | sflg = 1; |
c256d16f | 361 | break; |
6c66202d | 362 | } |
6c66202d BJ |
363 | } |
364 | } |