| 1 | static char *sccsid = "@(#)pp.c 1.1 (Berkeley) %G%"; |
| 2 | /* Copyright (c) 1979 Regents of the University of California */ |
| 3 | # |
| 4 | /* |
| 5 | * pxp - Pascal execution profiler |
| 6 | * |
| 7 | * Bill Joy UCB |
| 8 | * Version 1.2 January 1979 |
| 9 | */ |
| 10 | |
| 11 | #include "0.h" |
| 12 | |
| 13 | #define noprint() nopflg |
| 14 | |
| 15 | int pplev[3]; /* STAT, DECL, PRFN */ |
| 16 | int nopflg; |
| 17 | |
| 18 | setprint() |
| 19 | { |
| 20 | |
| 21 | if (profile == 0) { |
| 22 | if (table) |
| 23 | nopflg = 1; |
| 24 | else |
| 25 | nopflg = 0; |
| 26 | return; |
| 27 | } |
| 28 | nopflg = !all && nowcnt() == 0 || !opt('z'); |
| 29 | } |
| 30 | |
| 31 | printon() |
| 32 | { |
| 33 | |
| 34 | if (profile == 0) { |
| 35 | if (table) |
| 36 | nopflg = 1; |
| 37 | return; |
| 38 | } |
| 39 | nopflg = 0; |
| 40 | } |
| 41 | |
| 42 | printoff() |
| 43 | { |
| 44 | |
| 45 | nopflg = 1; |
| 46 | } |
| 47 | |
| 48 | ppkw(s) |
| 49 | register char *s; |
| 50 | { |
| 51 | register char *cp, i; |
| 52 | |
| 53 | if (noprint()) |
| 54 | return; |
| 55 | /* |
| 56 | * First real thing printed |
| 57 | * is always a keyword |
| 58 | * or includes an "id" (if a comment) |
| 59 | * (See ppnl below) |
| 60 | */ |
| 61 | hadsome = 1; |
| 62 | if (underline) { |
| 63 | for (cp = s; *cp; cp++) |
| 64 | putchar('_'); |
| 65 | for (cp = s; *cp; cp++) |
| 66 | putchar('\b'); |
| 67 | } |
| 68 | printf(s); |
| 69 | } |
| 70 | |
| 71 | ppid(s) |
| 72 | register char *s; |
| 73 | { |
| 74 | |
| 75 | if (noprint()) |
| 76 | return; |
| 77 | hadsome = 1; |
| 78 | if (s == NIL) |
| 79 | s = "{identifier}"; |
| 80 | printf(s); |
| 81 | } |
| 82 | |
| 83 | ppbra(s) |
| 84 | char *s; |
| 85 | { |
| 86 | |
| 87 | if (noprint()) |
| 88 | return; |
| 89 | if (s != NIL) |
| 90 | printf(s); |
| 91 | } |
| 92 | |
| 93 | ppsep(s) |
| 94 | char *s; |
| 95 | { |
| 96 | |
| 97 | if (noprint()) |
| 98 | return; |
| 99 | printf(s); |
| 100 | } |
| 101 | |
| 102 | ppket(s) |
| 103 | char *s; |
| 104 | { |
| 105 | |
| 106 | if (noprint()) |
| 107 | return; |
| 108 | if (s != NIL) |
| 109 | printf(s); |
| 110 | } |
| 111 | |
| 112 | char killsp; |
| 113 | |
| 114 | ppunspac() |
| 115 | { |
| 116 | |
| 117 | killsp = 1; |
| 118 | } |
| 119 | |
| 120 | ppspac() |
| 121 | { |
| 122 | |
| 123 | if (killsp) { |
| 124 | killsp = 0; |
| 125 | return; |
| 126 | } |
| 127 | if (noprint()) |
| 128 | return; |
| 129 | putchar(' '); |
| 130 | } |
| 131 | |
| 132 | ppitem() |
| 133 | { |
| 134 | |
| 135 | if (noprint()) |
| 136 | return; |
| 137 | ppnl(); |
| 138 | indent(); |
| 139 | } |
| 140 | |
| 141 | int owenl, owenlb; |
| 142 | |
| 143 | ppsnlb() |
| 144 | { |
| 145 | |
| 146 | if (nopflg) |
| 147 | return; |
| 148 | owenlb++; |
| 149 | } |
| 150 | |
| 151 | ppsnl() |
| 152 | { |
| 153 | |
| 154 | if (nopflg) |
| 155 | return; |
| 156 | owenl++; |
| 157 | } |
| 158 | |
| 159 | pppay() |
| 160 | { |
| 161 | |
| 162 | while (owenl || owenlb) { |
| 163 | putchar('\n'); |
| 164 | if (owenlb) { |
| 165 | putchar(' '); |
| 166 | owenlb--; |
| 167 | } else |
| 168 | owenl--; |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | ppnl() |
| 173 | { |
| 174 | |
| 175 | if (noprint()) |
| 176 | return; |
| 177 | if (hadsome == 0) |
| 178 | return; |
| 179 | pppay(); |
| 180 | putchar('\n'); |
| 181 | } |
| 182 | |
| 183 | indent() |
| 184 | { |
| 185 | register i; |
| 186 | |
| 187 | if (noprint()) |
| 188 | return; |
| 189 | linopr(); |
| 190 | if (profile == 0) { |
| 191 | indent1(pplev[PRFN] + pplev[DECL] + pplev[STAT]); |
| 192 | return; |
| 193 | } |
| 194 | indent1(pplev[PRFN] + pplev[STAT]); |
| 195 | switch (i = shudpcnt()) { |
| 196 | case 1: |
| 197 | printf("%7.7ld.", nowcnt()); |
| 198 | dashes('-'); |
| 199 | putchar('|'); |
| 200 | break; |
| 201 | case 0: |
| 202 | case -1: |
| 203 | printf(" "); |
| 204 | dashes(' '); |
| 205 | putchar(i == 0 ? '|' : ' '); |
| 206 | break; |
| 207 | } |
| 208 | indent1(pplev[DECL]); |
| 209 | } |
| 210 | |
| 211 | dashes(c) |
| 212 | char c; |
| 213 | { |
| 214 | register i; |
| 215 | |
| 216 | for (i = unit - 1; i != 0; i--) |
| 217 | putchar(c); |
| 218 | } |
| 219 | |
| 220 | indent1(in) |
| 221 | int in; |
| 222 | { |
| 223 | register i; |
| 224 | |
| 225 | if (noprint()) |
| 226 | return; |
| 227 | i = in; |
| 228 | if (profile == 0) |
| 229 | while (i >= 8) { |
| 230 | putchar('\t'); |
| 231 | i =- 8; |
| 232 | } |
| 233 | while (i > 0) { |
| 234 | putchar(' '); |
| 235 | i--; |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | linopr() |
| 240 | { |
| 241 | |
| 242 | if (noprint()) |
| 243 | return; |
| 244 | if (profile) { |
| 245 | if (line < 0) |
| 246 | line = -line; |
| 247 | printf("%6d ", line); |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | indentlab() |
| 252 | { |
| 253 | |
| 254 | indent1(pplev[PRFN]); |
| 255 | } |
| 256 | |
| 257 | ppop(s) |
| 258 | char *s; |
| 259 | { |
| 260 | |
| 261 | if (noprint()) |
| 262 | return; |
| 263 | printf(s); |
| 264 | } |
| 265 | |
| 266 | ppnumb(s) |
| 267 | char *s; |
| 268 | { |
| 269 | |
| 270 | if (noprint()) |
| 271 | return; |
| 272 | if (s == NIL) |
| 273 | s = "{number}"; |
| 274 | printf(s); |
| 275 | } |
| 276 | |
| 277 | ppgoin(lv) |
| 278 | { |
| 279 | |
| 280 | pplev[lv] =+ unit; |
| 281 | } |
| 282 | |
| 283 | ppgoout(lv) |
| 284 | { |
| 285 | |
| 286 | pplev[lv] =- unit; |
| 287 | if (pplev[lv] < 0) |
| 288 | panic("pplev"); |
| 289 | } |
| 290 | |
| 291 | ppstr(s) |
| 292 | char *s; |
| 293 | { |
| 294 | register char *cp; |
| 295 | |
| 296 | if (noprint()) |
| 297 | return; |
| 298 | if (s == NIL) { |
| 299 | printf("{string}"); |
| 300 | return; |
| 301 | } |
| 302 | putchar('\''); |
| 303 | cp = s; |
| 304 | while (*cp) { |
| 305 | putchar(*cp); |
| 306 | if (*cp == '\'') |
| 307 | putchar('\''); |
| 308 | cp++; |
| 309 | } |
| 310 | putchar('\''); |
| 311 | } |
| 312 | |
| 313 | pplab(s) |
| 314 | char *s; |
| 315 | { |
| 316 | |
| 317 | if (noprint()) |
| 318 | return; |
| 319 | if (s == NIL) |
| 320 | s = "{integer label}"; |
| 321 | printf(s); |
| 322 | } |
| 323 | |
| 324 | int outcol; |
| 325 | |
| 326 | |
| 327 | putchar(c) |
| 328 | char c; |
| 329 | { |
| 330 | |
| 331 | putc(c, stdout); |
| 332 | if (ferror(stdout)) |
| 333 | outerr(); |
| 334 | switch (c) { |
| 335 | case '\n': |
| 336 | outcol = 0; |
| 337 | flush(); |
| 338 | break; |
| 339 | case '\t': |
| 340 | outcol =+ 8; |
| 341 | outcol =& ~07; |
| 342 | break; |
| 343 | case '\b': |
| 344 | if (outcol) |
| 345 | outcol--; |
| 346 | break; |
| 347 | default: |
| 348 | outcol++; |
| 349 | case '\f': |
| 350 | break; |
| 351 | } |
| 352 | } |
| 353 | |
| 354 | flush() |
| 355 | { |
| 356 | |
| 357 | fflush(stdout); |
| 358 | if (ferror(stdout)) |
| 359 | outerr(); |
| 360 | } |
| 361 | |
| 362 | pptab() |
| 363 | { |
| 364 | register int i; |
| 365 | |
| 366 | if (noprint()) |
| 367 | return; |
| 368 | i = pplev[PRFN] + profile ? 44 + unit : 28; |
| 369 | /* |
| 370 | if (outcol > i + 8) { |
| 371 | ppnl(); |
| 372 | i =+ 8; |
| 373 | } |
| 374 | */ |
| 375 | do |
| 376 | putchar('\t'); |
| 377 | while (outcol < i); |
| 378 | } |
| 379 | |
| 380 | outerr() |
| 381 | { |
| 382 | |
| 383 | perror(stdoutn); |
| 384 | pexit(DIED); |
| 385 | } |