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