projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 7129096e C |
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;; fix.l ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| 2 | ; The fixit debugger modified to use "pearlfixprintfn" and to allow | |
| 3 | ; use of "> fcnname" or "> 'newvalue" in case of an undefined | |
| 4 | ; function or unbound variable respectively. | |
| 5 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 6 | ||
| 7 | ; Modified for use with PEARL by Joe Faletti 1/6/82 | |
| 8 | ||
| 9 | ;; (eval-when (compile eval) | |
| 10 | ;; (or (get 'cmumacs 'version) (load 'cmumacs))) | |
| 11 | ; Only the necessary functions are included, below | |
| 12 | ; dv (=defv), ***, lineread, and ty | |
| 13 | ||
| 14 | ;--- dv :: set variable to value | |
| 15 | ; (dv name value) name is setq'ed to value (no evaluation) | |
| 16 | ; (same as defv) | |
| 17 | ; | |
| 18 | (defmacro dv (name value) | |
| 19 | `(setq ,name ',value)) | |
| 20 | ||
| 21 | ;--- *** :: comment macro | |
| 22 | ; | |
| 23 | (defmacro *** (&rest x) nil) | |
| 24 | ||
| 25 | (defmacro lineread (&optional (x nil)) | |
| 26 | `(%lineread ,x)) | |
| 27 | ||
| 28 | (def ty (macro (f) (append '(exec cat) (cdr f)))) | |
| 29 | ||
| 30 | ; LWE 1/11/81 Hack hack.... | |
| 31 | ; | |
| 32 | ; LWE 1/11/81 Bet you didn't know this, but this won't work INTERPRETED, | |
| 33 | ; but Dave assures me it works compiled. (In MACLisp...) | |
| 34 | ; | |
| 35 | (declare (special cmd frame x cnt var init label part incr limit selectq)) | |
| 36 | ||
| 37 | (dv fixfns | |
| 38 | ((*** This is FIXIT written by David Touretzky and adapted to Franz by Don | |
| 39 | Cohen) | |
| 40 | (declare (special framelist rframelist interrupt-handlers handler-labels) | |
| 41 | (special prinlevel prinlength evalhook-switch traced-stuff) | |
| 42 | (special lastword piport hush-debug) | |
| 43 | (*fexpr editf step type)) | |
| 44 | (sstatus feature fixit) | |
| 45 | (*rset t) | |
| 46 | ER%tpl | |
| 47 | fixit | |
| 48 | debug | |
| 49 | debug-iter | |
| 50 | debug1 | |
| 51 | debug-bktrace | |
| 52 | Pdebug-print | |
| 53 | Pdebug-print1 | |
| 54 | debug-findcall | |
| 55 | debug-scanflist | |
| 56 | debug-scanstk | |
| 57 | debug-getframes | |
| 58 | debug-nextframe | |
| 59 | debug-upframe | |
| 60 | debug-dnframe | |
| 61 | debug-upfn | |
| 62 | debug-dnfn | |
| 63 | debug-showvar | |
| 64 | debug-nedit | |
| 65 | debug-insidep | |
| 66 | debug-findusrfn | |
| 67 | debug-findexpr | |
| 68 | debug-replace-function-name | |
| 69 | debug-pop | |
| 70 | debug-where | |
| 71 | debug-sysp | |
| 72 | interrupt-handlers | |
| 73 | handler-labels | |
| 74 | (or (boundp 'traced-stuff) (setq traced-stuff nil)) | |
| 75 | (or (boundp 'evalhook-switch) (setq evalhook-switch nil)) | |
| 76 | (setq hush-debug nil))) | |
| 77 | ||
| 78 | (or (boundp 'traced-stuff) (setq traced-stuff nil)) | |
| 79 | (or (boundp 'evalhook-switch) (setq evalhook-switch nil)) | |
| 80 | (or (boundp 'debug-sysmode) (setq debug-sysmode nil)) | |
| 81 | (setq hush-debug nil) | |
| 82 | ||
| 83 | (*** This is FIXIT written by David Touretzky and adapted to Franz by Don Cohen) | |
| 84 | ||
| 85 | (declare (special framelist rframelist interrupt-handlers handler-labels) | |
| 86 | (special prinlevel prinlength evalhook-switch traced-stuff) | |
| 87 | (special lastword piport hush-debug debug-sysmode) | |
| 88 | (*fexpr editf step type) | |
| 89 | (special system-functions\\a)) | |
| 90 | ||
| 91 | (sstatus feature fixit) | |
| 92 | ||
| 93 | (*rset t) | |
| 94 | ||
| 95 | (progn 'compile | |
| 96 | (dv ER%tpl fixit) | |
| 97 | (dv ER%brk fixit) | |
| 98 | (dv ER%err fixit) | |
| 99 | ) | |
| 100 | ||
| 101 | (def fixit | |
| 102 | (nlambda (l) | |
| 103 | (prog (piport) | |
| 104 | (do nil (nil) (eval (cons 'debug l)))))) | |
| 105 | ||
| 106 | (def debug | |
| 107 | (nlambda (params) | |
| 108 | (prog (cmd frame framelist rframelist nframe val infile) | |
| 109 | (setq infile t) | |
| 110 | (and evalhook-switch (step nil)) | |
| 111 | (setq rframelist | |
| 112 | (reverse | |
| 113 | (setq framelist | |
| 114 | (or (debug-getframes) | |
| 115 | (list | |
| 116 | (debug-scanstk '(nil) '(debug))))))) | |
| 117 | (setq frame (debug-findexpr (car framelist))) | |
| 118 | ;(tab 0) | |
| 119 | ; top level ones and calls to err and break. | |
| 120 | (cond | |
| 121 | ((and (car params) (not (eq (car params) 'edit))) | |
| 122 | (terpri) | |
| 123 | ; (princ '|;debug |) | |
| 124 | ; (princ params) | |
| 125 | (princ (cadddr params)) | |
| 126 | (cond ((cddddr params) | |
| 127 | (princ '| -- |) | |
| 128 | (princ (cddddr params)))) | |
| 129 | (terpri) | |
| 130 | (go loop))) | |
| 131 | (Pdebug-print1 frame nil) | |
| 132 | (terpri) | |
| 133 | (cond (hush-debug (setq hush-debug nil) (go loop)) | |
| 134 | ((not (memq 'edit params)) (go loop))) | |
| 135 | (drain nil) | |
| 136 | (princ '|type e to edit, <cr> to debug: |) | |
| 137 | (setq val (tyi)) | |
| 138 | (cond ((or (\=& val 69) (\=& val 101)) | |
| 139 | (and (errset (debug-nedit frame)) | |
| 140 | (setq cmd '(ok)) | |
| 141 | (go cmdr))) | |
| 142 | ((or (\=& val 78) (\=& val 110)) (terpri) (debug-pop))) | |
| 143 | loop (terpri) | |
| 144 | (princ ':) | |
| 145 | (cond ((null (setq cmd (lineread))) | |
| 146 | (terpri) (reset))) | |
| 147 | cmdr (cond | |
| 148 | ((dtpr (car cmd)) | |
| 149 | (setq val (eval (car cmd) (cadddr frame))) | |
| 150 | (pearlfixprintfn val) | |
| 151 | ; (print (valform val)) | |
| 152 | (terpri) | |
| 153 | (go loop))) | |
| 154 | (setq nframe (debug1 cmd frame)) | |
| 155 | (and (not (atom nframe)) (setq frame nframe) (go loop)) | |
| 156 | (print (or nframe (car cmd))) | |
| 157 | (princ '" Huh? - type h for help") | |
| 158 | (go loop)))) | |
| 159 | ||
| 160 | (def debug-iter | |
| 161 | (macro (x) | |
| 162 | (cons 'prog | |
| 163 | (cons 'nil | |
| 164 | (cons 'loop | |
| 165 | (cons (list 'setq 'nframe (cadr x)) | |
| 166 | '((setq cnt (|1-| cnt)) | |
| 167 | (and (or (null nframe) (\=& 0 cnt)) | |
| 168 | (return nframe)) | |
| 169 | (setq frame nframe) | |
| 170 | (go loop)))))))) | |
| 171 | ||
| 172 | (def debug1 | |
| 173 | (lambda (cmd frame) | |
| 174 | (prog (nframe val topframe cnt item) | |
| 175 | (setq topframe (car framelist)) | |
| 176 | (or (eq (typep (car cmd)) 'symbol) (return nil)) | |
| 177 | ; if "> name", replace function name with new atom | |
| 178 | (and (eq (car cmd) '>) | |
| 179 | (return (debug-replace-function-name cmd topframe))) | |
| 180 | (and (eq (getchar (car cmd) 1) 'b) | |
| 181 | (eq (getchar (car cmd) 2) 'k) | |
| 182 | (return (debug-bktrace cmd frame))) | |
| 183 | (setq cnt | |
| 184 | (cond ((fixp (cadr cmd)) (cadr cmd)) | |
| 185 | ((fixp (caddr cmd)) (caddr cmd)) | |
| 186 | (t 1))) | |
| 187 | (and (<& cnt 1) (setq cnt 1)) | |
| 188 | (setq item | |
| 189 | (cond ((symbolp (cadr cmd)) (cadr cmd)) | |
| 190 | ((symbolp (caddr cmd)) (caddr cmd)))) | |
| 191 | (and item | |
| 192 | (cond ((memq (car cmd) '(u up)) | |
| 193 | (setq cmd (cons 'ups (cdr cmd)))) | |
| 194 | ((memq (car cmd) '(d dn)) | |
| 195 | (setq cmd (cons 'dns (cdr cmd)))))) | |
| 196 | (selectq (car cmd) | |
| 197 | (top (Pdebug-print1 (setq frame topframe) nil)) | |
| 198 | (bot (Pdebug-print1 (setq frame (car rframelist)) nil)) | |
| 199 | (p (Pdebug-print1 frame nil)) | |
| 200 | (pp (valprint (caddr frame))) | |
| 201 | (where (debug-where frame)) | |
| 202 | (help | |
| 203 | (cond ((cdr cmd) (eval cmd)) | |
| 204 | (t (ty |/usr/lisp/doc/fixit.ref|)))) | |
| 205 | ((\? h) (ty |/usr/lisp/doc/fixit.ref|)) | |
| 206 | ((go ok) | |
| 207 | (setq frame (debug-findexpr topframe)) | |
| 208 | (cond ((eq (caaddr frame) 'debug) | |
| 209 | (freturn (cadr frame) t)) | |
| 210 | (t (fretry (cadr frame) frame)))) | |
| 211 | (pop (debug-pop)) | |
| 212 | (step (setq frame (debug-findexpr frame)) | |
| 213 | (step t) | |
| 214 | (fretry (cadr (debug-dnframe frame)) frame)) | |
| 215 | (redo (and item | |
| 216 | (setq frame | |
| 217 | (debug-findcall item frame framelist))) | |
| 218 | (and frame (fretry (cadr frame) frame))) | |
| 219 | (return (setq val (eval (cadr cmd))) | |
| 220 | (freturn (cadr frame) val)) | |
| 221 | (edit (debug-nedit frame)) | |
| 222 | (editf | |
| 223 | (cond ((null item) | |
| 224 | (setq frame | |
| 225 | (or (debug-findusrfn (debug-nedit frame)) | |
| 226 | (car rframelist)))) | |
| 227 | ((dtpr (getd item)) | |
| 228 | (errset (funcall 'editf (list item)))) | |
| 229 | (t (setq frame nil)))) | |
| 230 | (u (debug-iter (debug-upframe frame)) | |
| 231 | (cond | |
| 232 | ((null nframe) (terpri) (princ '|<top of stack>|))) | |
| 233 | (Pdebug-print1 (setq frame (or nframe frame)) nil)) | |
| 234 | (d (setq nframe | |
| 235 | (or (debug-iter (debug-dnframe frame)) frame)) | |
| 236 | (Pdebug-print1 nframe nil) | |
| 237 | (cond ((eq frame nframe) | |
| 238 | (terpri) | |
| 239 | (princ '|<bottom of stack>|)) | |
| 240 | (t (setq frame nframe)))) | |
| 241 | (up (setq nframe (debug-iter (debug-upfn frame))) | |
| 242 | (cond | |
| 243 | ((null nframe) (terpri) (princ '|top of stack|))) | |
| 244 | (setq frame (or nframe topframe)) | |
| 245 | (Pdebug-print1 frame nil)) | |
| 246 | (dn (setq frame | |
| 247 | (or (debug-iter (debug-dnfn frame)) | |
| 248 | (car rframelist))) | |
| 249 | (Pdebug-print1 frame nil) | |
| 250 | (cond | |
| 251 | ((not (eq frame nframe)) | |
| 252 | (terpri) | |
| 253 | (princ '|<bottom of stack>|)))) | |
| 254 | (ups (setq frame | |
| 255 | (debug-iter | |
| 256 | (debug-findcall item frame rframelist))) | |
| 257 | (and frame (Pdebug-print1 frame nil))) | |
| 258 | (dns (setq frame | |
| 259 | (debug-iter | |
| 260 | (debug-findcall item frame framelist))) | |
| 261 | (and frame (Pdebug-print1 frame nil))) | |
| 262 | (sys (setq debug-sysmode (not debug-sysmode)) | |
| 263 | (patom "sysmode now ")(patom debug-sysmode) (terpr)) | |
| 264 | (otherwise | |
| 265 | (cond ((not (dtpr (car cmd))) | |
| 266 | (*** should there also be a boundp test here) | |
| 267 | (debug-showvar (car cmd) frame)) | |
| 268 | (t (setq frame (car cmd)))))) | |
| 269 | (return (or frame item))))) | |
| 270 | ||
| 271 | (def debug-replace-function-name | |
| 272 | (lambda (cmd frame) (prog (oldname newname errorcall nframe) | |
| 273 | (setq errorcall (caddr frame)) | |
| 274 | (cond ((eq (caddddr errorcall) '|eval: Undefined function |) | |
| 275 | (setq oldname (cadddddr errorcall)) | |
| 276 | (setq newname (cadr cmd)) | |
| 277 | (setq cnt 3) | |
| 278 | (setq frame (debug-iter (debug-dnframe frame))) | |
| 279 | (dsubst newname oldname frame) | |
| 280 | (fretry (cadr frame) frame)) | |
| 281 | ((eq (caddddr errorcall) '|Unbound Variable:|) | |
| 282 | (setq oldname (cadddddr errorcall)) | |
| 283 | (setq newname (eval (cadr cmd))) | |
| 284 | (setq cnt 3) | |
| 285 | (setq frame (debug-iter (debug-dnframe frame))) | |
| 286 | (dsubst newname oldname frame) | |
| 287 | (fretry (cadr frame) frame)) | |
| 288 | ( t (return nil)))))) | |
| 289 | ||
| 290 | (def debug-bktrace | |
| 291 | (lambda (cmd oframe) | |
| 292 | (prog (sel cnt item frame nframe) | |
| 293 | (mapc '(lambda (x) | |
| 294 | (setq sel | |
| 295 | (cons (selectq x | |
| 296 | (f 'fns) | |
| 297 | (a 'sysp) | |
| 298 | (v 'bind) | |
| 299 | (e 'expr) | |
| 300 | (c 'current) | |
| 301 | (otherwise 'bogus)) | |
| 302 | sel))) | |
| 303 | (cddr (explodec (car cmd)))) | |
| 304 | (setq item | |
| 305 | (cond ((eq (typep (cadr cmd)) 'symbol) (cadr cmd)) | |
| 306 | ((eq (typep (caddr cmd)) 'symbol) (caddr cmd)))) | |
| 307 | (cond ((debug-sysp item) (setq sel (cons 'sysp sel))) | |
| 308 | ((not (memq 'sysp sel)) | |
| 309 | (setq sel (cons 'user sel)))) | |
| 310 | (setq cnt | |
| 311 | (cond ((fixp (cadr cmd)) (cadr cmd)) | |
| 312 | ((fixp (caddr cmd)) (caddr cmd)) | |
| 313 | (item 1))) | |
| 314 | (cond ((null cnt) | |
| 315 | (setq frame | |
| 316 | (cond ((memq 'current sel) oframe) | |
| 317 | (t (car rframelist)))) | |
| 318 | (go dbpr)) | |
| 319 | ((null item) | |
| 320 | (setq frame (car framelist)) | |
| 321 | (and (or (not (memq 'user sel)) | |
| 322 | (atom (caddr (car framelist))) | |
| 323 | (not (debug-sysp (caaddr (car framelist))))) | |
| 324 | (setq cnt (|1-| cnt))) | |
| 325 | (setq frame | |
| 326 | (cond ((\=& 0 cnt) frame) | |
| 327 | ((memq 'user sel) | |
| 328 | (debug-iter (debug-dnfn frame))) | |
| 329 | (t (debug-iter (debug-dnframe frame))))) | |
| 330 | (setq frame (or frame (car rframelist))) | |
| 331 | (go dbpr)) | |
| 332 | (t (setq frame (car framelist)))) | |
| 333 | (setq frame | |
| 334 | (cond ((and (\=& cnt 1) | |
| 335 | (not (atom (caddr (car framelist)))) | |
| 336 | (eq item (caaddr (car framelist)))) | |
| 337 | (car framelist)) | |
| 338 | ((debug-iter (debug-findcall item frame framelist))) | |
| 339 | (t (car rframelist)))) | |
| 340 | dbpr (Pdebug-print frame sel oframe) | |
| 341 | (cond ((eq frame (car rframelist)) | |
| 342 | (terpri) | |
| 343 | (princ '|<bottom of stack>|) | |
| 344 | (terpri)) | |
| 345 | (t (terpri))) | |
| 346 | (cond | |
| 347 | ((memq 'bogus sel) | |
| 348 | (terpri) | |
| 349 | (princ (car cmd)) | |
| 350 | (princ '| contains an invalid bk modifier|))) | |
| 351 | (return oframe)))) | |
| 352 | ||
| 353 | (def Pdebug-print | |
| 354 | (lambda (frame sel ptr) | |
| 355 | (prog (curframe) | |
| 356 | (setq curframe (car framelist)) | |
| 357 | loop (cond ((not | |
| 358 | (and (memq 'user sel) | |
| 359 | (not (atom (caddr curframe))) | |
| 360 | (debug-sysp (caaddr curframe)))) | |
| 361 | (Pdebug-print1 curframe sel) | |
| 362 | (and (eq curframe ptr) (princ '| <--- you are here|))) | |
| 363 | ((eq curframe ptr) | |
| 364 | (terpri) | |
| 365 | (princ '| <--- you are somewhere in here|))) | |
| 366 | (and (eq curframe frame) (return frame)) | |
| 367 | (setq curframe (debug-dnframe curframe)) | |
| 368 | (or curframe (return frame)) | |
| 369 | (go loop)))) | |
| 370 | ||
| 371 | (def Pdebug-print1 | |
| 372 | (lambda (frame sel) | |
| 373 | (prog (prinlevel prinlength varlist) | |
| 374 | (and (not (memq 'expr sel)) | |
| 375 | (setq prinlevel 2) | |
| 376 | (setq prinlength 5)) | |
| 377 | (cond | |
| 378 | ((atom (caddr frame)) | |
| 379 | (terpri) | |
| 380 | (princ '| |) | |
| 381 | (pearlfixprintfn (caddr frame)) | |
| 382 | ; (print (valform (caddr frame))) | |
| 383 | (princ '| <- eval error|) | |
| 384 | (return t))) | |
| 385 | (and (memq 'bind sel) | |
| 386 | (cond ((memq (caaddr frame) '(prog lambda)) | |
| 387 | (setq varlist (cadr (caddr frame)))) | |
| 388 | ((and (atom (caaddr frame)) (dtpr (getd (caaddr frame)))) | |
| 389 | (setq varlist (cadr (getd (caaddr frame)))))) | |
| 390 | (mapc (function | |
| 391 | (lambda (v) | |
| 392 | (debug-showvar v | |
| 393 | (or (debug-upframe frame) | |
| 394 | frame)))) | |
| 395 | (cond ((and varlist (atom varlist)) (ncons varlist)) | |
| 396 | (t varlist)))) | |
| 397 | (and (memq 'user sel) | |
| 398 | (debug-sysp (caaddr frame)) | |
| 399 | (return nil)) | |
| 400 | (cond ((memq (caaddr frame) interrupt-handlers) | |
| 401 | (terpri) | |
| 402 | (princ '<------------) | |
| 403 | (print (cadr (assq (caaddr frame) handler-labels))) | |
| 404 | (princ '-->)) | |
| 405 | ((eq (caaddr frame) 'debug) | |
| 406 | (terpri) | |
| 407 | (princ '<------debug------>)) | |
| 408 | ((memq 'fns sel) | |
| 409 | (terpri) | |
| 410 | (and (debug-sysp (caaddr frame)) (princ '| |)) | |
| 411 | (print (caaddr frame))) | |
| 412 | (t (terpri) | |
| 413 | (pearlfixprintfn | |
| 414 | (cond ((eq (car frame) 'eval) (caddr frame)) | |
| 415 | (t (cons (caaddr frame) (cadr (caddr frame)))))) | |
| 416 | ||
| 417 | ; (valform | |
| 418 | ; (cond ((eq (car frame) 'eval) (caddr frame)) | |
| 419 | ; (t (cons (caaddr frame) (cadr (caddr frame))))))) | |
| 420 | )) | |
| 421 | (or (not (symbolp (caaddr frame))) | |
| 422 | (eq (caaddr frame) (concat (caaddr frame))) | |
| 423 | (princ '| <not interned>|)) | |
| 424 | (return t)))) | |
| 425 | ||
| 426 | (def debug-findcall | |
| 427 | (lambda (fn frame flist) | |
| 428 | (prog nil | |
| 429 | loop (setq frame (debug-nextframe frame flist nil)) | |
| 430 | (or frame (return nil)) | |
| 431 | (cond ((atom (caddr frame)) | |
| 432 | (cond ((eq (caddr frame) fn) (return frame)) (t (go loop)))) | |
| 433 | ((eq (caaddr frame) fn) (return frame)) | |
| 434 | (t (go loop)))))) | |
| 435 | ||
| 436 | (def debug-scanflist | |
| 437 | (lambda (frame fnset) | |
| 438 | (prog nil | |
| 439 | loop (or frame (return nil)) | |
| 440 | (and (not (atom (caddr frame))) | |
| 441 | (memq (caaddr frame) fnset) | |
| 442 | (return frame)) | |
| 443 | (setq frame (debug-dnframe frame)) | |
| 444 | (go loop)))) | |
| 445 | ||
| 446 | (def debug-scanstk | |
| 447 | (lambda (frame fnset) | |
| 448 | (prog nil | |
| 449 | loop (or frame (return nil)) | |
| 450 | (and (not (atom (caddr frame))) | |
| 451 | (memq (caaddr frame) fnset) | |
| 452 | (return frame)) | |
| 453 | (setq frame (evalframe (cadr frame))) | |
| 454 | (go loop)))) | |
| 455 | ||
| 456 | (def debug-getframes | |
| 457 | (lambda nil | |
| 458 | (prog (flist fnew) | |
| 459 | (setq fnew | |
| 460 | (debug-scanstk '(nil) | |
| 461 | (cons 'debug interrupt-handlers))) | |
| 462 | loop (and (not debug-sysmode) | |
| 463 | (not (atom (caddr fnew))) | |
| 464 | (eq (caaddr fnew) 'debug) | |
| 465 | (eq (car (evalframe (cadr fnew))) 'apply) | |
| 466 | (memq (caaddr (evalframe (cadr fnew))) interrupt-handlers) | |
| 467 | (setq fnew (evalframe (cadr fnew)))) | |
| 468 | (and (not debug-sysmode) | |
| 469 | (null flist) | |
| 470 | (eq (car fnew) 'apply) | |
| 471 | (memq (caaddr fnew) interrupt-handlers) | |
| 472 | (setq fnew (evalframe (cadr fnew)))) | |
| 473 | (and (not debug-sysmode) | |
| 474 | (eq (car fnew) 'apply) | |
| 475 | (eq (typep (caaddr fnew)) 'symbol) | |
| 476 | (not (eq (caaddr fnew) (concat (caaddr fnew)))) | |
| 477 | (setq fnew (evalframe (cadr fnew))) | |
| 478 | (setq fnew (evalframe (cadr fnew))) | |
| 479 | (setq fnew (evalframe (cadr fnew))) | |
| 480 | (setq fnew (evalframe (cadr fnew))) | |
| 481 | (go loop)) | |
| 482 | (and (not debug-sysmode) | |
| 483 | (not (atom (caddr fnew))) | |
| 484 | (memq (caaddr fnew) '(evalhook* evalhook)) | |
| 485 | (setq fnew (evalframe (cadr fnew))) | |
| 486 | (go loop)) | |
| 487 | (and (not debug-sysmode) | |
| 488 | (eq (car fnew) 'apply) | |
| 489 | (eq (caaddr fnew) 'eval) | |
| 490 | (cadadr (caddr fnew)) | |
| 491 | (or (not (fixp (cadadr (caddr fnew)))) | |
| 492 | (\= (cadadr (caddr fnew)) -1)) | |
| 493 | (setq fnew (evalframe (cadr fnew))) | |
| 494 | (go loop)) | |
| 495 | (and fnew | |
| 496 | (setq flist (cons fnew flist)) | |
| 497 | (setq fnew (evalframe (cadr fnew))) | |
| 498 | (go loop)) | |
| 499 | (return (nreverse flist))))) | |
| 500 | ||
| 501 | (def debug-nextframe | |
| 502 | (lambda (frame flist sel) | |
| 503 | (prog nil | |
| 504 | (setq flist (cdr (memq frame flist))) | |
| 505 | (and (not (memq 'user sel)) (return (car flist))) | |
| 506 | loop (or flist (return nil)) | |
| 507 | (cond | |
| 508 | ((or (atom (caddr (car flist))) | |
| 509 | (not (debug-sysp (caaddr (car flist))))) | |
| 510 | (return (car flist)))) | |
| 511 | (setq flist (cdr flist)) | |
| 512 | (go loop)))) | |
| 513 | ||
| 514 | (def debug-upframe | |
| 515 | (lambda (frame) | |
| 516 | (debug-nextframe frame rframelist nil))) | |
| 517 | ||
| 518 | (def debug-dnframe | |
| 519 | (lambda (frame) | |
| 520 | (debug-nextframe frame framelist nil))) | |
| 521 | ||
| 522 | (def debug-upfn | |
| 523 | (lambda (frame) | |
| 524 | (debug-nextframe frame rframelist '(user)))) | |
| 525 | ||
| 526 | (def debug-dnfn | |
| 527 | (lambda (frame) | |
| 528 | (debug-nextframe frame framelist '(user)))) | |
| 529 | ||
| 530 | (def debug-showvar | |
| 531 | (lambda (var frame) | |
| 532 | (terpri) | |
| 533 | (princ '| |) | |
| 534 | (princ var) | |
| 535 | (princ '| = |) | |
| 536 | (pearlfixprintfn | |
| 537 | ((lambda (val) (cond ((atom val) '\?) (t (car val)))) | |
| 538 | (errset (eval var (cadddr frame)) nil))))) | |
| 539 | ||
| 540 | ; (valform | |
| 541 | ; ((lambda (val) (cond ((atom val) '\?) (t (car val)))) | |
| 542 | ; (errset (eval var (cadddr frame)) nil)))))) | |
| 543 | ||
| 544 | (def debug-nedit | |
| 545 | (lambda (frame) | |
| 546 | (prog (val body elem nframe) | |
| 547 | (setq elem (caddr frame)) | |
| 548 | (setq val frame) | |
| 549 | scan (setq val (debug-findusrfn val)) | |
| 550 | (or val (go nofn)) | |
| 551 | (setq body (getd (caaddr val))) | |
| 552 | (cond ((debug-insidep elem body) | |
| 553 | (princ '\=) | |
| 554 | (print (caaddr val)) | |
| 555 | (edite body | |
| 556 | (list 'f (cons '\=\= elem) 'tty:) | |
| 557 | (caaddr val)) | |
| 558 | (return frame)) | |
| 559 | ((or (eq elem (caddr val)) (debug-insidep elem (caddr val))) | |
| 560 | (setq val (debug-dnframe val)) | |
| 561 | (go scan))) | |
| 562 | nofn (setq nframe (debug-dnframe frame)) | |
| 563 | (or nframe (go doit)) | |
| 564 | (and (debug-insidep elem (caddr nframe)) | |
| 565 | (setq frame nframe) | |
| 566 | (go nofn)) | |
| 567 | doit (edite (caddr frame) | |
| 568 | (and (debug-insidep elem (caddr frame)) | |
| 569 | (list 'f (cons '\=\= elem) 'tty:)) | |
| 570 | nil) | |
| 571 | (return frame)))) | |
| 572 | ||
| 573 | (def debug-insidep | |
| 574 | (lambda (elem expr) | |
| 575 | (car (errset (edite expr (list 'f (cons '\=\= elem)) nil))))) | |
| 576 | ||
| 577 | (def debug-findusrfn | |
| 578 | (lambda (frame) | |
| 579 | (cond ((null frame) nil) | |
| 580 | ((and (dtpr (caddr frame)) | |
| 581 | (symbolp (caaddr frame)) | |
| 582 | (dtpr (getd (caaddr frame)))) | |
| 583 | frame) | |
| 584 | (t (debug-findusrfn (debug-dnframe frame)))))) | |
| 585 | ||
| 586 | (def debug-findexpr | |
| 587 | (lambda (frame) | |
| 588 | (cond ((null frame) nil) | |
| 589 | ((and (eq (car frame) 'eval) (not (atom (caddr frame)))) | |
| 590 | frame) | |
| 591 | (t (debug-findexpr (debug-dnframe frame)))))) | |
| 592 | ||
| 593 | (def debug-pop | |
| 594 | (lambda nil | |
| 595 | (prog (frame) | |
| 596 | (setq frame (car framelist)) | |
| 597 | l (cond ((null (setq frame (evalframe (cadr frame))))(reset))) | |
| 598 | (cond ((and (dtpr (caddr frame))(eq (caaddr frame) 'debug)) | |
| 599 | (freturn (cadr frame) nil))) | |
| 600 | (go l)))) | |
| 601 | ||
| 602 | (def debug-where | |
| 603 | (lambda (frame) | |
| 604 | (prog (lev diff nframe) | |
| 605 | (setq lev (- (length framelist) (length (memq frame rframelist)))) | |
| 606 | (setq diff (- (length framelist) lev 1)) | |
| 607 | (Pdebug-print1 frame nil) | |
| 608 | (terpri) | |
| 609 | (cond ((\=& 0 diff) (princ '|you are at top of stack.|)) | |
| 610 | ((\=& 0 lev) (princ '|you are at bottom of stack.|)) | |
| 611 | (t (princ '|you are |) | |
| 612 | (princ diff) | |
| 613 | (cond ((\=& diff 1) (princ '| frame from the top.|)) | |
| 614 | (t (princ '| frames from the top.|))))) | |
| 615 | (terpri) | |
| 616 | (and (or (atom (caddr frame)) (not (eq (car frame) 'eval))) | |
| 617 | (return nil)) | |
| 618 | (setq lev 0) | |
| 619 | (setq nframe frame) | |
| 620 | lp (and (setq nframe (debug-findcall (caaddr nframe) nframe framelist)) | |
| 621 | (setq lev (|1+| lev)) | |
| 622 | (go lp)) | |
| 623 | (princ '|there are |) | |
| 624 | (princ lev) | |
| 625 | (princ '| |) | |
| 626 | (princ (caaddr frame)) | |
| 627 | (princ '|'s below.|) | |
| 628 | (terpri)))) | |
| 629 | ||
| 630 | (def debug-sysp | |
| 631 | (lambda (x) | |
| 632 | (and (sysp x) (symbolp x) (not (dtpr (getd x)))))) | |
| 633 | ||
| 634 | (dv interrupt-handlers (fixit)) | |
| 635 | ||
| 636 | (dv handler-labels | |
| 637 | ((fixit error) | |
| 638 | (debug-ubv-handler ubv) | |
| 639 | (debug-udf-handler udf) | |
| 640 | (debug-fac-handler fac) | |
| 641 | (debug-ugt-handler ugt) | |
| 642 | (debug-wta-handler wta) | |
| 643 | (debug-wna-handler wna) | |
| 644 | (debug-iol-handler iol) | |
| 645 | (debug-*rset-handler rst) | |
| 646 | (debug-mer-handler mer) | |
| 647 | (debug-gcd-handler gcd) | |
| 648 | (debug-gcl-handler gcl) | |
| 649 | (debug-gco-handler gco) | |
| 650 | (debug-pdl-handler pdl))) | |
| 651 | ||
| 652 | ||
| 653 | (or (boundp 'traced-stuff) (setq traced-stuff nil)) | |
| 654 | ||
| 655 | (or (boundp 'evalhook-switch) (setq evalhook-switch nil)) | |
| 656 | ||
| 657 | (setq hush-debug nil) | |
| 658 | ||
| 659 | ||
| 660 | ;; other functions grabbed from other cmu files to make this file complete | |
| 661 | ;; unto itself | |
| 662 | ||
| 663 | ;- from sysfunc.l | |
| 664 | ||
| 665 | (defun build-sysp nil | |
| 666 | (do ((temp (oblist) (cdr temp)) | |
| 667 | (sysfuncs)) | |
| 668 | ((null temp)(setq system-functions\\a sysfuncs));atom has ^G at end | |
| 669 | (cond ((getd (car temp)) | |
| 670 | (setq sysfuncs (cons (car temp) sysfuncs)))))) | |
| 671 | ||
| 672 | (defun sysp (x) ; (cond ((memq x system-functions\\a)t)) | |
| 673 | (memq x '(funcallhook* funcallhook evalhook evalhook* | |
| 674 | continue-evaluation))) | |
| 675 | ||
| 676 | (or (boundp 'system-functions\\a) (build-sysp)) | |
| 677 | ||
| 678 | (defun fretry (pdlpnt frame) | |
| 679 | (freturn pdlpnt | |
| 680 | (cond ((eq (car frame) 'eval) (eval (caddr frame) (cadddr frame))) | |
| 681 | ((eq (car frame) 'apply) | |
| 682 | (eval `(apply ',(caaddr frame) ',(cadaddr frame)) | |
| 683 | (cadddr frame)))))) | |
| 684 | ||
| 685 | ||
| 686 | ; - from cmu.l | |
| 687 | ||
| 688 | (def %lineread | |
| 689 | (lambda (chan) | |
| 690 | (prog (ans) | |
| 691 | loop (setq ans (cons (read chan 'EOF) ans)) | |
| 692 | (cond ((eq (car ans) 'EOF) (return (reverse (cdr ans))))) | |
| 693 | loop2(cond ((eq 10 (tyipeek chan)) (return (reverse ans))) | |
| 694 | ((memq (tyipeek chan) '(41 93)) | |
| 695 | (tyi chan) | |
| 696 | (go loop2)) | |
| 697 | (t (go loop)))))) | |
| 698 | ||
| 699 | ||
| 700 | (aliasdef 'pearlbreak 'fixit) | |
| 701 | ||
| 702 | ; vi: set lisp: |