| 1 | /* Copyright (c) 1979 Regents of the University of California */ |
| 2 | # |
| 3 | /* |
| 4 | * pxp - Pascal execution profiler |
| 5 | * |
| 6 | * Bill Joy UCB |
| 7 | * Version 1.2 January 1979 |
| 8 | */ |
| 9 | |
| 10 | #include "0.h" |
| 11 | |
| 12 | #define noprint() nopflg |
| 13 | |
| 14 | int pplev[3]; /* STAT, DECL, PRFN */ |
| 15 | int nopflg; |
| 16 | |
| 17 | setprint() |
| 18 | { |
| 19 | |
| 20 | if (profile == 0) { |
| 21 | if (table) |
| 22 | nopflg = 1; |
| 23 | else |
| 24 | nopflg = 0; |
| 25 | return; |
| 26 | } |
| 27 | nopflg = !all && nowcnt() == 0 || !opt('z'); |
| 28 | } |
| 29 | |
| 30 | printon() |
| 31 | { |
| 32 | |
| 33 | if (profile == 0) { |
| 34 | if (table) |
| 35 | nopflg = 1; |
| 36 | return; |
| 37 | } |
| 38 | nopflg = 0; |
| 39 | } |
| 40 | |
| 41 | printoff() |
| 42 | { |
| 43 | |
| 44 | nopflg = 1; |
| 45 | } |
| 46 | |
| 47 | ppkw(s) |
| 48 | register char *s; |
| 49 | { |
| 50 | register char *cp, i; |
| 51 | |
| 52 | if (noprint()) |
| 53 | return; |
| 54 | /* |
| 55 | * First real thing printed |
| 56 | * is always a keyword |
| 57 | * or includes an "id" (if a comment) |
| 58 | * (See ppnl below) |
| 59 | */ |
| 60 | hadsome = 1; |
| 61 | if (underline) { |
| 62 | for (cp = s; *cp; cp++) |
| 63 | putchar('_'); |
| 64 | for (cp = s; *cp; cp++) |
| 65 | putchar('\b'); |
| 66 | } |
| 67 | printf(s); |
| 68 | } |
| 69 | |
| 70 | ppid(s) |
| 71 | register char *s; |
| 72 | { |
| 73 | |
| 74 | if (noprint()) |
| 75 | return; |
| 76 | hadsome = 1; |
| 77 | if (s == NIL) |
| 78 | s = "{identifier}"; |
| 79 | printf(s); |
| 80 | } |
| 81 | |
| 82 | ppbra(s) |
| 83 | char *s; |
| 84 | { |
| 85 | |
| 86 | if (noprint()) |
| 87 | return; |
| 88 | if (s != NIL) |
| 89 | printf(s); |
| 90 | } |
| 91 | |
| 92 | ppsep(s) |
| 93 | char *s; |
| 94 | { |
| 95 | |
| 96 | if (noprint()) |
| 97 | return; |
| 98 | printf(s); |
| 99 | } |
| 100 | |
| 101 | ppket(s) |
| 102 | char *s; |
| 103 | { |
| 104 | |
| 105 | if (noprint()) |
| 106 | return; |
| 107 | if (s != NIL) |
| 108 | printf(s); |
| 109 | } |
| 110 | |
| 111 | char killsp; |
| 112 | |
| 113 | ppunspac() |
| 114 | { |
| 115 | |
| 116 | killsp = 1; |
| 117 | } |
| 118 | |
| 119 | ppspac() |
| 120 | { |
| 121 | |
| 122 | if (killsp) { |
| 123 | killsp = 0; |
| 124 | return; |
| 125 | } |
| 126 | if (noprint()) |
| 127 | return; |
| 128 | putchar(' '); |
| 129 | } |
| 130 | |
| 131 | ppitem() |
| 132 | { |
| 133 | |
| 134 | if (noprint()) |
| 135 | return; |
| 136 | ppnl(); |
| 137 | indent(); |
| 138 | } |
| 139 | |
| 140 | int owenl, owenlb; |
| 141 | |
| 142 | ppsnlb() |
| 143 | { |
| 144 | |
| 145 | if (nopflg) |
| 146 | return; |
| 147 | owenlb++; |
| 148 | } |
| 149 | |
| 150 | ppsnl() |
| 151 | { |
| 152 | |
| 153 | if (nopflg) |
| 154 | return; |
| 155 | owenl++; |
| 156 | } |
| 157 | |
| 158 | pppay() |
| 159 | { |
| 160 | |
| 161 | while (owenl || owenlb) { |
| 162 | putchar('\n'); |
| 163 | if (owenlb) { |
| 164 | putchar(' '); |
| 165 | owenlb--; |
| 166 | } else |
| 167 | owenl--; |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | ppnl() |
| 172 | { |
| 173 | |
| 174 | if (noprint()) |
| 175 | return; |
| 176 | if (hadsome == 0) |
| 177 | return; |
| 178 | pppay(); |
| 179 | putchar('\n'); |
| 180 | } |
| 181 | |
| 182 | indent() |
| 183 | { |
| 184 | register i; |
| 185 | |
| 186 | if (noprint()) |
| 187 | return; |
| 188 | linopr(); |
| 189 | if (profile == 0) { |
| 190 | indent1(pplev[PRFN] + pplev[DECL] + pplev[STAT]); |
| 191 | return; |
| 192 | } |
| 193 | indent1(pplev[PRFN] + pplev[STAT]); |
| 194 | switch (i = shudpcnt()) { |
| 195 | case 1: |
| 196 | printf("%7.7ld.", nowcnt()); |
| 197 | dashes('-'); |
| 198 | putchar('|'); |
| 199 | break; |
| 200 | case 0: |
| 201 | case -1: |
| 202 | printf(" "); |
| 203 | dashes(' '); |
| 204 | putchar(i == 0 ? '|' : ' '); |
| 205 | break; |
| 206 | } |
| 207 | indent1(pplev[DECL]); |
| 208 | } |
| 209 | |
| 210 | dashes(c) |
| 211 | char c; |
| 212 | { |
| 213 | register i; |
| 214 | |
| 215 | for (i = unit - 1; i != 0; i--) |
| 216 | putchar(c); |
| 217 | } |
| 218 | |
| 219 | indent1(in) |
| 220 | int in; |
| 221 | { |
| 222 | register i; |
| 223 | |
| 224 | if (noprint()) |
| 225 | return; |
| 226 | i = in; |
| 227 | if (profile == 0) |
| 228 | while (i >= 8) { |
| 229 | putchar('\t'); |
| 230 | i =- 8; |
| 231 | } |
| 232 | while (i > 0) { |
| 233 | putchar(' '); |
| 234 | i--; |
| 235 | } |
| 236 | } |
| 237 | |
| 238 | linopr() |
| 239 | { |
| 240 | |
| 241 | if (noprint()) |
| 242 | return; |
| 243 | if (profile) { |
| 244 | if (line < 0) |
| 245 | line = -line; |
| 246 | printf("%6d ", line); |
| 247 | } |
| 248 | } |
| 249 | |
| 250 | indentlab() |
| 251 | { |
| 252 | |
| 253 | indent1(pplev[PRFN]); |
| 254 | } |
| 255 | |
| 256 | ppop(s) |
| 257 | char *s; |
| 258 | { |
| 259 | |
| 260 | if (noprint()) |
| 261 | return; |
| 262 | printf(s); |
| 263 | } |
| 264 | |
| 265 | ppnumb(s) |
| 266 | char *s; |
| 267 | { |
| 268 | |
| 269 | if (noprint()) |
| 270 | return; |
| 271 | if (s == NIL) |
| 272 | s = "{number}"; |
| 273 | printf(s); |
| 274 | } |
| 275 | |
| 276 | ppgoin(lv) |
| 277 | { |
| 278 | |
| 279 | pplev[lv] =+ unit; |
| 280 | } |
| 281 | |
| 282 | ppgoout(lv) |
| 283 | { |
| 284 | |
| 285 | pplev[lv] =- unit; |
| 286 | if (pplev[lv] < 0) |
| 287 | panic("pplev"); |
| 288 | } |
| 289 | |
| 290 | ppstr(s) |
| 291 | char *s; |
| 292 | { |
| 293 | register char *cp; |
| 294 | |
| 295 | if (noprint()) |
| 296 | return; |
| 297 | if (s == NIL) { |
| 298 | printf("{string}"); |
| 299 | return; |
| 300 | } |
| 301 | putchar('\''); |
| 302 | cp = s; |
| 303 | while (*cp) { |
| 304 | putchar(*cp); |
| 305 | if (*cp == '\'') |
| 306 | putchar('\''); |
| 307 | cp++; |
| 308 | } |
| 309 | putchar('\''); |
| 310 | } |
| 311 | |
| 312 | pplab(s) |
| 313 | char *s; |
| 314 | { |
| 315 | |
| 316 | if (noprint()) |
| 317 | return; |
| 318 | if (s == NIL) |
| 319 | s = "{integer label}"; |
| 320 | printf(s); |
| 321 | } |
| 322 | |
| 323 | int outcol; |
| 324 | |
| 325 | |
| 326 | putchar(c) |
| 327 | char c; |
| 328 | { |
| 329 | |
| 330 | putc(c, stdout); |
| 331 | if (ferror(stdout)) |
| 332 | outerr(); |
| 333 | switch (c) { |
| 334 | case '\n': |
| 335 | outcol = 0; |
| 336 | flush(); |
| 337 | break; |
| 338 | case '\t': |
| 339 | outcol =+ 8; |
| 340 | outcol =& ~07; |
| 341 | break; |
| 342 | case '\b': |
| 343 | if (outcol) |
| 344 | outcol--; |
| 345 | break; |
| 346 | default: |
| 347 | outcol++; |
| 348 | case '\f': |
| 349 | break; |
| 350 | } |
| 351 | } |
| 352 | |
| 353 | flush() |
| 354 | { |
| 355 | |
| 356 | fflush(stdout); |
| 357 | if (ferror(stdout)) |
| 358 | outerr(); |
| 359 | } |
| 360 | |
| 361 | pptab() |
| 362 | { |
| 363 | register int i; |
| 364 | |
| 365 | if (noprint()) |
| 366 | return; |
| 367 | i = pplev[PRFN] + profile ? 44 + unit : 28; |
| 368 | /* |
| 369 | if (outcol > i + 8) { |
| 370 | ppnl(); |
| 371 | i =+ 8; |
| 372 | } |
| 373 | */ |
| 374 | do |
| 375 | putchar('\t'); |
| 376 | while (outcol < i); |
| 377 | } |
| 378 | |
| 379 | outerr() |
| 380 | { |
| 381 | |
| 382 | perror(stdoutn); |
| 383 | pexit(DIED); |
| 384 | } |