-
-
Notifications
You must be signed in to change notification settings - Fork 24
/
Copy pathBYTECOMPILER
5594 lines (5059 loc) · 263 KB
/
BYTECOMPILER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
(DEFINE-FILE-INFO READTABLE "INTERLISP" PACKAGE "INTERLISP")
(FILECREATED "13-Jun-2021 09:51:42"
{DSK}<Users>kaplan>Local>medley3.5>git-medley>sources>BYTECOMPILER.;2 263891
changes to%: (FNS COMP.MLLIST)
previous date%: "26-Apr-91 17:25:53"
{DSK}<Users>kaplan>Local>medley3.5>git-medley>sources>BYTECOMPILER.;1)
(* ; "
Copyright (c) 1981-1987, 1900, 1988-1991, 2021 by Venue & Xerox Corporation.
")
(PRETTYCOMPRINT BYTECOMPILERCOMS)
(RPAQQ BYTECOMPILERCOMS
[
(* ;;; "THE BYTE LISP COMPILER")
(COMS (INITVARS (*BYTECOMPILER-IS-EXPANDING* NIL))
(FNS BYTEBLOCKCOMPILE2 BYTECOMPILE2 COMP.ATTEMPT.COMPILE COMP.RETFROM.POINT
COMP.TRANSFORM COMPERROR COMPPRINT COMPERRM)
(FNS COMP.TOPLEVEL.COMPILE COMP.BINDLIST COMP.CHECK.VAR COMP.BIND.VARS COMP.UNBIND.VARS
)
(FNS COMP.VALN COMP.PROGN COMP.PROGLST COMP.EXP1 COMP.EXPR COMP.TRYUSERFN COMP.USERFN
COMP.CONST COMP.CALL COMP.VAR COMP.VAL1 COMP.PROG1 COMP.EFFECT COMP.VAL COMP.MACRO
)
(FNS COMP.VARTYPE COMP.LOOKUPVAR COMP.LOOKUPCONST)
(FNS COMP.ST COMP.STFN COMP.STCONST COMP.STVAR COMP.STPOP COMP.DELFN COMP.STRETURN
COMP.STTAG COMP.STJUMP COMP.STSETQ COMP.STCOPY COMP.DELPUSH COMP.DELPOP
COMP.STBIND COMP.STUNBIND)
(VARS *NO-SIDE-EFFECT-FNS*)
(GLOBALVARS *NO-SIDE-EFFECT-FNS*)
(FNS COMP.ARGTYPE COMP.CLEANEXPP COMP.CLEANFNP COMP.CLEANFNOP COMP.GLOBALVARP
COMP.LINKCALLP COMP.ANONP COMP.NOSIDEEFFECTP)
(FNS COMP.CPI COMP.CPI1 COMP.PICOUNT)
(PROP BYTEMACRO EVQ)
(FNS COMP.EVQ)
(PROP BYTEMACRO AND OR)
(FNS COMP.BOOL)
(FNS COMP.APPLYFNP)
(PROP BYTEMACRO AC)
(FNS COMP.AC COMP.PUNT)
(PROP BYTEMACRO FUNCTION)
(FNS COMP.FUNCTION COMP.LAM1 COMP.GENFN)
(INITVARS (COMP.GENFN.NUM 0))
(GLOBALVARS COMP.GENFN.NUM COMP.UNBOXED.TAG)
(PROP BYTEMACRO COND SELECTQ)
(FNS COMP.COND COMP.IF COMP.SELECTQ)
(PROP BYTEMACRO PROGN PROG1)
(PROP BYTEMACRO QUOTE *)
(FNS COMP.QUOTE COMP.COMMENT)
(PROP BYTEMACRO DECLARE)
(FNS COMP.DECLARE COMP.DECLARE1)
(PROP (BYTEMACRO CROPS)
* MCROPS)
(FNS COMP.CARCDR COMP.STCROP)
(PROP BYTEMACRO NOT NULL)
(FNS COMP.NOT)
(PROP BYTEMACRO SETQ SETN)
(FNS COMP.SETQ COMP.SETN)
(FNS COMP.LAMBDA)
(PROP DMACRO CL:TAGBODY)
(PROP BYTEMACRO PROG GO RETURN CL:RETURN-FROM)
(FNS COMP.PROG COMP.GO COMP.RETURN COMP.BLOCK COMP.RETURN-FROM COMP.TAGBODY)
(PROP BYTEMACRO CL:LABELS)
(FNS COMP.LABELS)
(VARS COMP.UNBOXED.TAG NUMBERFNS (GLOBALVARFLG T)
(NEWOPTFLG)
(COMPVERSION (DATE)))
(OPTIMIZERS IMINUS)
(MACROS IPLUS ITIMES LOGOR LOGXOR LOGAND IDIFFERENCE IQUOTIENT IREMAINDER LSH LLSH RSH
LRSH FIX PLUS DIFFERENCE TIMES QUOTIENT FPLUS FDIFFERENCE FTIMES FQUOTIENT FABS
FGREATERP FLESSP FREMAINDER)
(FNS COMP.NUMERIC COMP.NUMBERCALL COMP.FIX COMP.STFIX COMP.DELFIX)
(PROP BYTEMACRO EQ EQUAL EQP)
(FNS COMP.EQ)
(PROP BYTEMACRO .TEST.)
(FNS COMP.NUMBERTEST)
(PROP BYTEMACRO * MAPFNS)
(PROP BYTEMACRO .DOCOLLECT. .DOJOIN.)
(FNS COMP.MAP)
(PROP BYTEMACRO LISPXWATCH)
(OPTIMIZERS BLKAPPLY BLKAPPLY*)
(OPTIMIZERS ADD1VAR KWOTE FRPLNODE RPLNODE LISTGET1 FRPLNODE2)
(PROP BYTEMACRO SUB1VAR)
(OPTIMIZERS EQMEMB MKLIST)
(COMS
(* ;; "Pass 1 listing")
(FNS COMP.MLLIST COMP.MLL COMP.MLLVAR COMP.MLLFN)
(VARS COPS)
(IFPROP MLSYM * (PROGN COPS)))
(COMS
(* ;; "ARJ --- JUMP LENGTH RESOLVER")
(FNS OPT.RESOLVEJUMPS OPT.JLENPASS OPT.JFIXPASS OPT.JSIZE))
(COMS
(* ;; "Utilities used by all files")
(FNS OPT.CALLP OPT.JUMPCHECK OPT.DREV OPT.CHLEV OPT.CHECKTAG OPT.NOTJUMP
OPT.INITHASH OPT.COMPINIT))
(P (MOVD? 'NILL 'REFRAME)
(AND (GETD 'OPT.COMPINIT)
(OPT.COMPINIT)))
(PROP BYTEMACRO LOADTIMECONSTANT)
(PROP BYTEMACRO FRPTQ)
(FNS OPT.CFRPTQ)
(DECLARE%: EVAL@COMPILE DONTCOPY
(SPECVARS AC ALAMS1 ALLVARS ARGS ARGVARS BLKDEFS BLKFLG CODE COMFN COMFNS
COMTYPE CONSTS EMFLAG EXP FRAME FREELST FREEVARS LAPFLG LBCNT LEVEL
LOCALVARS LOCALVARS LSTFIL MACEXP NLAMS1 PIFN COMPILE.CONTEXT PROGCONTEXT
RETURNLABEL SPECVARS SPECVARS SUBFNFREEVARS TAGS TOPFN TOPFRAME TOPLAB
VARS INTERNALBLKFNS)
(SPECVARS PLVLFILEFLG))
(PROP BYTEMACRO IMAX2 IMIN2)
(PROP BOX FLOAT)
(FNS COMP.AREF COMP.ASET COMP.BOX COMP.LOOKFORDECLARE COMP.DECLARETYPE COMP.FLOATBOX
COMP.FLOATUNBOX COMP.PREDP COMP.UBFLOAT2 COMP.UNBOX))
(ADDVARS (COMPILETYPELST))
(COMS (* ; "POST OPTIMIZATION")
(FNS OPT.POSTOPT OPT.SETUPOPT OPT.SCANOPT OPT.XVARSCAN OPT.XVARSCAN1 OPT.JUMPOPT
OPT.JUMPTHRU OPT.LBMERGE OPT.PRDEL OPT.UBDEL OPT.LBDEL OPT.LABELNTHPR OPT.JUMPREV
OPT.COMMONBACK OPT.DELTAGREF OPT.FINDEND OPT.RETOPT OPT.RETFIND OPT.RETPOP
OPT.RETOPT1 OPT.RETTEST OPT.RETMERGE OPT.CODELEV OPT.CODEFRAME OPT.DEFREFS
OPT.SETDEFREFS)
(FNS OPT.FRAMEOPT OPT.FRAMEMERGE OPT.NONILVAR OPT.MERGEFRAMEP OPT.FRAMELOCAL
OPT.CLEANFRAME OPT.FRAMEDEL OPT.FRAMEVAR OPT.DELETEFRAMECHECK OPT.ONLYMEMB)
(VARS MERGEFRAMETYPES (OPTIMIZATIONSOFF))
(FNS OPT.SKIPPUSH OPT.DELCODE OPT.PRATTACH OPT.JUMPCOPYTEST OPT.EQOP OPT.EQVALUE
OPT.DELCOPYFN)
(FNS OPT.DEADSETQP OPT.DS1)
(INITVARS (*BC-MACRO-ENVIRONMENT* (COMPILER::MAKE-ENV))
(*BYTECOMPILER-OPTIMIZE-MACROLET* T))
(FUNCTIONS CL:MACROLET)
(DECLARE%: EVAL@COMPILE DONTCOPY (SPECVARS *BYTECOMPILER-IS-EXPANDING*
*BC-MACRO-ENVIRONMENT*)
(SPECVARS CODE LEVEL)
(SPECVARS CL:LABELS PASS ANY CODE FRAME FRAMES)
(GLOBALVARS MERGEFRAMEMAX MERGEFRAMEFLG MERGEFRAMETYPES
*BYTECOMPILER-OPTIMIZE-MACROLET*)
(SPECVARS VARS ANY FRAME)
(SPECVARS ICNT TAG)
(SPECVARS FRAME LEVEL ANY)
(SPECVARS FRAME LEVEL ANY)
(SPECVARS TAGS ANY)))
(COMS (* ; "CONSISTENCY CHECKS")
(DECLARE%: EVAL@COMPILE DONTCOPY (MACROS OPT.CCHECK)
(VARS (COMPILECOMPILERCHECKS NIL)))
(FNS OPT.COMPILERERROR OPT.OPTCHECK OPT.CCHECK))
(GLOBALVARS ALAMS BYTE.EXT BYTEASSEMFN BYTECOMPFLG COMPILERMACROPROPS CIA CLEANFNLIST
COMP.SCRATCH COMPILETYPELST COMPILEUSERFN COMPSTATLST COMPSTATS CONDITIONALS CONST.FNS
CONSTOPS DONOTHING FILERDTBL FNA FORSHALLOW FRA HEADERBYTES HOKEYDEFPROP LAMBDANOBIND
LAMS LBA LEVELARRAY LINKEDFNS LOADTIMECONSTANT MAXBNILS MAXBVALS MCONSTOPS
MERGEFRAMEFLG MERGEFRAMEMAX MERGEFRAMETYPES MOPARRAY MOPCODES NODARR NOSTATSFLG
NUMBERFNS OPCOPY OPNIL OPPOP OPRETURN PRA SELECTQFMEMB SELECTVARTYPES STATAR STATMAX
STATN SYSSPECVARS UNIQUE#ARRAY VCA VCONDITIONALS VREFFRA COUTFILE XVARFLG
MERGEFRAMEFLG OPTIMIZATIONSOFF NOFREEVARSFNS EQCONSTFN NEWOPTFLG)
[P (CL:PROCLAIM '(CL:SPECIAL COMPVARMACROHASH]
(DECLARE%: DONTCOPY (* ; "for compiling compiler")
EVAL@COMPILE
(RECORDS CODELST)
(PROP MACRO OASSOC)
(RECORDS OP JUMP TAG VAR)
(RECORDS FRAME COMINFO COMP JD BLOCKSTATUS))
(MACROS THETYPE)
(PROP FILETYPE BYTECOMPILER)
(PROP MAKEFILE-ENVIRONMENT BYTECOMPILER)
(DECLARE%: DONTEVAL@LOAD DOEVAL@COMPILE DONTCOPY COMPILERVARS (ADDVARS (NLAMA)
(NLAML OPT.INITHASH)
(LAMA])
(* ;;; "THE BYTE LISP COMPILER")
(RPAQ? *BYTECOMPILER-IS-EXPANDING* NIL)
(DEFINEQ
(BYTEBLOCKCOMPILE2
[LAMBDA (BLKNAME BLKDEFS ENTRIES) (* Pavel "15-Nov-86 16:11")
(COND
[(EQ BYTECOMPFLG 'NOBLOCK) (* ; "use PDP-10 compiler for blocks")
(RESETVARS (BYTECOMPFLG)
(RETURN (BLOCKCOMPILE2 BLKNAME BLKDEFS ENTRIES]
(T (PROG [(BLKFLG T)
(INTERNALBLKFNS (AND (NEQ BYTECOMPFLG 'RETRY)
(for X in BLKDEFS
when (NOT (OR (FMEMB (CAR X)
ENTRIES)
(EQ (CAR X)
BLKNAME)
(FMEMB (CAR X)
RETFNS)
(AND (LISTP NOLINKFNS)
(FMEMB (CAR X)
NOLINKFNS))
(FMEMB (CAR X)
BLKAPPLYFNS)))
collect (CONS (CAR X)
(PACK* '\ BLKNAME '/ (CAR X]
(* ; "this is a dummy block compiler")
(SETQ COMP.GENFN.NUM 0)
(RETURN (MAPCONC BLKDEFS (FUNCTION (LAMBDA (X)
(PROG1 (COMP.ATTEMPT.COMPILE
(OR (CDR (FASSOC (CAR X)
INTERNALBLKFNS))
(CAR X))
(CADDR X)
(CAR X))
(* ;; "The FRPLACA allows the function definitions to be reclaimed. This is written to parallel BLOCKCOMPILE2 which needs the list of BLKDEFS for something. --- rrb")
(FRPLACA (CDDR X)
(LIST (CAR (CADDR X))
(CADR (CADDR X])
(BYTECOMPILE2
[LAMBDA (FN DEF) (* JonL "17-Dec-83 03:41")
(PROG ((BLKFLG NIL))
(SETQ COMP.GENFN.NUM 0)
(COMP.ATTEMPT.COMPILE FN DEF)
(RETURN FN])
(COMP.ATTEMPT.COMPILE
[LAMBDA (TOPFN DEF RECNAME) (* Pavel "15-Nov-86 16:09")
(PROG ((EMFLAG TOPFN)
COMFNS FLG SUBFNFREEVARS) (* ; "compile attempt")
(SETQ FLG (COMP.RETFROM.POINT TOPFN DEF RECNAME))
[COND
((NULL EMFLAG)
(LISPXPRIN1 '"-----
" T)
(COND
((NEQ COUTFILE T)
(LISPXPRIN1 '"-----
" COUTFILE]
(COND
(FLG (* ; "compile succeed")
(RETURN COMFNS))
((AND (GETD 'COMPILE2)
(NEQ BYTECOMPFLG T)) (* ; "retry with COMPILE2")
(LISPXPRINT (CONS TOPFN '(-- retrying with COMPILE2))
T T)
[COND
(BLKFLG (OR (EQ SPECVARS T)
(EVAL (CONS 'SPECVARS LOCALFREEVARS]
(RETURN (COMPILE2 TOPFN DEF)))
(T (LISPXPRINT [LIST (CONS TOPFN '(not compiled]
T T)
(RETURN])
(COMP.RETFROM.POINT
[LAMBDA (COMFN DEF RECNAME) (* Pavel "15-Nov-86 16:06")
(PROG ((LBCNT 0)) (* ;; "This is the RETFROM point in case of an error while compiling COMFN or any of its generated subfunctions.")
(FETCH (COMP CLEAR) OF T) (* ;; "CLEAR is an accessfn which clears all of the hash tables used by any HASHLINK field in the compiler; done this way so that the program need not know which hash tables are used")
(RETURN (PROG1 (COMP.TOPLEVEL.COMPILE COMFN DEF RECNAME)
(FETCH (COMP CLEAR) OF T])
(COMP.TRANSFORM
[LAMBDA (FORM) (* ; "Edited 22-Jun-88 18:18 by TAL")
(* ;;; "FORM is a form whose CAR is guaranteed to have a macro definition or optimizer. Transform it as much as possible and then compile it appropriately.")
(* ;; "I'd like to be able to provide an environment, but I don't know how.")
(PROG ([CONTEXT (COND
((EQ COMPILE.CONTEXT 'EFFECT)
(COMPILER:MAKE-CONTEXT :VALUES-USED 0))
((COMP.PREDP COMPILE.CONTEXT)
(SELECTQ (fetch (JUMP OPNAME) of COMPILE.CONTEXT)
((TJUMP FJUMP)
(COMPILER:MAKE-CONTEXT :VALUES-USED 1 :PREDICATE-P T))
((NTJUMP NFJUMP) (* ;
"We need the value, so make it argument context instead of predicate.")
(COMPILER:MAKE-CONTEXT :VALUES-USED 1 :PREDICATE-P NIL))
(OPT.COMPILERERROR)))
(T (COMPILER:MAKE-CONTEXT]
VAL
(*BC-MACRO-ENVIRONMENT* *BC-MACRO-ENVIRONMENT*)
(*BYTECOMPILER-IS-EXPANDING* T)) (* ; "First, try to use an optimizer.")
(DECLARE (SPECVARS *BYTECOMPILER-IS-EXPANDING* *BC-MACRO-ENVIRONMENT*))
[CL:MULTIPLE-VALUE-BIND (KIND EXPANDER)
(COMPILER:ENV-FBOUNDP *BC-MACRO-ENVIRONMENT* (CAR FORM)
:LEXICAL-ONLY T)
[for OPT-FN in (AND (NOT KIND)
(COMPILER:OPTIMIZER-LIST (CAR FORM)))
do (LET ((RESULT (CL:FUNCALL OPT-FN FORM *BC-MACRO-ENVIRONMENT* CONTEXT)))
(if (AND (NEQ RESULT 'IGNOREMACRO)
(NEQ RESULT 'COMPILER:PASS)
(NEQ RESULT FORM))
then (* ;
"An optimization has taken place. Start over.")
(SETQ VAL (COMP.EXP1 RESULT))
(GO OUT]
(if (EQ KIND :MACRO)
then (* ;
"We've got a locally-defined macro...")
(RETURN (COMP.EXP1 (CL:FUNCALL EXPANDER FORM *BC-MACRO-ENVIRONMENT*]
(* ; "now try interlisp macro")
[LET ((MACROPROP (GETMACROPROP (CAR FORM)
COMPILERMACROPROPS)))
(AND MACROPROP (RETURN (COMP.MACRO FORM MACROPROP]
(* ;
"Next, look for a DEFMACRO-produced expansion function.")
[LET [(EXPN-FN (GET (CAR FORM)
'MACRO-FN]
(COND
(EXPN-FN (RETURN (COMP.EXP1 (CL:FUNCALL EXPN-FN FORM *BC-MACRO-ENVIRONMENT*]
[RETURN (COMP.CALL (CAR FORM)
(CDR FORM)
(COMP.ARGTYPE (CAR FORM]
OUT (RETURN VAL])
(COMPERROR
[LAMBDA (X) (* Pavel "15-Nov-86 16:10")
(* ;;;
"Terminal-error handler: Aborts the compilation of this function after issuing the proper message.")
(AND X (COMPERRM X))
(RETFROM 'COMP.RETFROM.POINT NIL])
(COMPPRINT
[LAMBDA (X) (* ; "Edited 20-Jan-88 10:54 by jds")
(* A separate function so it can be broken or advised)
(PRIN1 X COUTFILE T])
(COMPERRM
[LAMBDA (X FL) (* jds " 1-Feb-84 15:34")
(* Emit an error message for the
compiler)
(AND (NULL FL)
(SETQ FL COUTFILE)) (* If he specified no file, use the
compiler-message file.)
(COND
(EMFLAG (LISPXTAB 0 0 FL)
(LISPXPRIN1 '"-----In " FL)
(LISPXPRIN2 EMFLAG FL T)
(LISPXPRINT '%: FL)))
[COND
(X (LISPXPRIN1 '***** FL T)
(PROG ((PLVLFILEFLG T))
(RESETFORM (PRINTLEVEL 2 20)
(LISPXPRINT X FL T]
(COND
((NEQ FL T) (* so message gets printed in both
places)
(* i.e., force the message to go to the terminal as well.)
(COMPERRM X T)))
(SETQ EMFLAG NIL])
)
(DEFINEQ
(COMP.TOPLEVEL.COMPILE
[LAMBDA (COMFN DEF RECNAME OUTER-ALLVARS) (* ; "Edited 17-Jul-90 10:28 by jds")
(* ;; "This function controls the compilation of a single function.")
(PROG (ALAMS1 NLAMS1 CONSTS ALLVARS ALLDECLS ARGVARS ARGS COMTYPE CODE FREEVARS CI (LEVEL 0)
FRAME PIFN TOPLAB (LOCALVARS LOCALVARS)
(SPECVARS SPECVARS)
(*BC-MACRO-ENVIRONMENT* (COMPILER::COPY-ENV *BC-MACRO-ENVIRONMENT*))
(COMPILER::*ENVIRONMENT* (COMPILER::MAKE-ENV :PARENT T))
TOPFRAME MACEXP AC FRELST (COMPILE.DUNBIND.POP.MERGE.FLG T)
TEMP)
RETRY
[OR [AND (LISTP DEF)
(LISTP (CDR DEF))
(SETQ COMTYPE (COND
[(OR (LISTP (SETQ ARGS (CADR DEF)))
(NULL ARGS))
(SELECTQ (CAR DEF)
(NLAMBDA 1)
([LAMBDA OPENLAMBDA]
0)
(CL:LAMBDA (SETQ DEF (\TRANSLATE-CL%:LAMBDA DEF))
(GO RETRY))
(COND
((AND COMPILEUSERFN (SETQ DEF (APPLY* COMPILEUSERFN NIL
DEF)))
(GO RETRY]
(T (COND
((AND LAMBDANOBIND (EQ ARGS 'NOBIND))
(SETQ ARGS NIL)
2)
(T (SETQ ARGS (LIST ARGS))
(SELECTQ (CAR DEF)
(LAMBDA 2)
(NLAMBDA 3)
(COND
((AND COMPILEUSERFN (SETQ DEF
(APPLY* COMPILEUSERFN NIL
DEF)))
(GO RETRY]
(COMPERROR (CONS COMFN '(not compilable]
(SETQ PIFN (COND
((EQ PIFN T) (* ; "compile as call to self")
0)
((GETPROP COMFN OPCODEPROP)
0)
((EQ 0 COMTYPE)
(OR RECNAME COMFN))
(T 0)))
(SETQ FRAME (SETQ TOPFRAME (create FRAME
VARS _ (SETQ ARGVARS (SETQ ALLVARS (COMP.BINDLIST
ARGS)))
NNILS _ 0)))
(COMP.STTAG (SETQ TOPLAB (create TAG)))
(COMP.VALN (CDDR DEF)
'RETURN)
(COMP.UNBIND.VARS TOPFRAME T)
(SETQ CI (create COMINFO
COMTYPE _ COMTYPE
CODE _ (OPT.POSTOPT CODE)
TOPFRAME _ TOPFRAME
ARGS _ ARGVARS))
(SETQ FREELST (FOR X IN FREEVARS WHEN (EQ (FETCH OPNAME OF X)
'FVAR)
COLLECT (FETCH OPARG OF X)))
[SETQ ALAMS1 (SUBSET ALAMS1 (FUNCTION (LAMBDA (X)
(NOT (GETPROP X OPCODEPROP]
(* ;; "Print out the status message for this function, noting the free variable references and calls to unknown functions. We don't report free variables that are either proclaimed special or bound in a super function of this one.")
[LET* ((OUTER-VARS (FOR X IN OUTER-ALLVARS COLLECT (FETCH OPARG
OF X)))
(USES-LIST (FOR X IN FREELST UNLESS (OR (VARIABLE-GLOBALLY-SPECIAL-P
X)
(FMEMB X OUTER-VARS))
COLLECT X)))
(COMPPRINT (CL:FORMAT NIL
"(~S ~A~@[ (uses~{ ~S~})~]~@[ (calls~{ ~S~})~]~@[ (nlams~{ ~S~})~])~%%"
COMFN (CADR DEF)
USES-LIST ALAMS1 NLAMS1))
(* (COMPPRINT (BQUOTE
((\, COMFN) (\, (CADR DEF))
(\,@ (AND USES-LIST
(BQUOTE ((:USES (\,@ USES-LIST))))))
(\,@ (AND ALAMS1 (BQUOTE
((:CALLS (\,@ ALAMS1))))))
(\,@ (AND NLAMS1 (BQUOTE
((:NLAMS (\,@ NLAMS1))))))))))
]
(SELECTQ LAPFLG
((1 T)
(RESETFORM (OUTPUT LSTFIL)
(COMP.MLLIST COMFN CI)))
NIL)
(APPLY* BYTEASSEMFN COMFN CI)
[COND
((NEQ COMFN TOPFN) (* ; "generated subfunction")
(SETQ SUBFNFREEVARS (APPEND SUBFNFREEVARS FREELST]
(SETQ COMFNS (CONS COMFN COMFNS))
(RETURN COMFN])
(COMP.BINDLIST
[LAMBDA (VARS) (* lmm " 1-Jul-84 17:00")
(for VAR in VARS collect (create VAR
VARNAME _ (COMP.CHECK.VAR VAR T)
COMP.VARTYPE _ (COMP.VARTYPE VAR])
(COMP.CHECK.VAR
[LAMBDA (X BIND) (* lmm " 6-Apr-84 17:49")
[COND
(BIND [COND
((NEQ X (COMP.USERFN X))
(COMPERRM (APPEND '(Attempt to bind CONSTANT) X]
(COND
((COMP.GLOBALVARP X)
(COMPERRM (CONS X '(- is global]
(OR (AND (LITATOM X)
(NEQ X T)
X)
(COMPERROR (CONS X '(is not a legal variable name])
(COMP.BIND.VARS
[LAMBDA (ARGS VALS TYPE DECLARATIONS) (* Pavel "15-Nov-86 16:39")
(PROG (VLV VLN NVALS NNILS DECL X VAR DECLS VAL)
(for VARNAME in ARGS do (SETQ VAR (create VAR
VARNAME _ (COMP.CHECK.VAR VARNAME T)
COMP.VARTYPE _ (COMP.VARTYPE VARNAME)))
(if (SETQ X (CDR (FASSOC VARNAME DECLARATIONS)))
then (* ;
"variable declared to be of a given type")
(COMP.EXPR (SETQ VAL (pop VALS))
(AND VAL X))
(replace (VAR COMP.VARTYPE) of VAR with 'HVAR)
(push DECLS (CONS VAR X))
(push VLV VAR)
elseif [OR (NULL (SETQ X (pop VALS)))
(PROGN (COMP.VAL X)
(COND
((EQ (CAR CODE)
OPNIL)
(COMP.DELPUSH)
T]
then (push VLN VAR)
else (push VLV VAR)))
(for X in VALS do (COMP.EFFECT X))
(SETQ NNILS (LENGTH VLN))
[COND
((IGREATERP (SETQ NVALS (LENGTH VLV))
MAXBVALS)
(COMPERROR (CONS EXP '(-- too many variables with values]
(RETURN (create FRAME
PARENT _ FRAME
NVALS _ (LENGTH VLV)
VARS _ (OPT.DREV VLV (OPT.DREV VLN))
FRAMETYPE _ TYPE
NNILS _ NNILS
DECLS _ DECLS])
(COMP.UNBIND.VARS
[LAMBDA (F TOPFLG) (* lmm "29-Jun-84 09:34")
(COND
((NOT (OR TOPFLG (EQ COMPILE.CONTEXT 'RETURN)
(OPT.JUMPCHECK CODE)))
(OPT.CCHECK (EQ F FRAME))
(COMP.STUNBIND (EQ COMPILE.CONTEXT 'EFFECT))
(replace (FRAME PRIMARYRETURN) of (CAR CODE) with T)))
'NOVALUE])
)
(DEFINEQ
(COMP.VALN
[LAMBDA (L COMPILE.CONTEXT) (* lmm "29-Jun-84 08:25")
(COMP.PROGN L])
(COMP.PROGN
[LAMBDA (A) (* lmm "13-Jul-84 21:18")
(COND
((NULL (CDR A))
(COMP.EXP1 (CAR A)))
(T (PROG [(FLG (AND (NOT OPTIMIZATIONSOFF)
(EQ COMPILE.CONTEXT 'RETURN]
LP (COMP.EFFECT (CAR A))
(AND FLG (while (EQ (CAR CODE)
OPPOP) do (* delete POP in PROGN)
(COMP.DELPOP)))
(COND
((OPT.JUMPCHECK CODE))
((CDR (SETQ A (CDR A)))
(GO LP))
(T (RETURN (COMP.EXP1 (CAR A])
(COMP.PROGLST
[LAMBDA (LST N CONTEXT) (* lmm "18-Sep-84 16:28")
(PROG (VAL)
(while (IGREATERP N 0) do (SETQ VAL (COMP.EXPR (pop LST)
(AND (EQ N 1)
CONTEXT)))
(add N -1))
(while (EQ (CAR (LISTP (CAR LST)))
'*) do (pop LST))
[if LST
then (COMPERRM `(extraneous arguments to %, (CAR EXP)
%: ., LST))
(SELECTQ CONTEXT
((NIL EFFECT) (* ok NIL)
(MAPC LST (FUNCTION COMP.EFFECT)))
(COMPERRM '(not compiled]
(RETURN VAL])
(COMP.EXP1
[LAMBDA (E) (* lmm "29-Jun-84 08:25")
(COMP.EXPR E COMPILE.CONTEXT])
(COMP.EXPR
[LAMBDA (EXP COMPILE.CONTEXT) (* ; "Edited 26-Apr-91 13:08 by jds")
(DECLARE (SPECVARS *BC-MACRO-ENVIRONMENT*))
(PROG (M V)
[COND
((NULL FRAME)
(COND
[(OPT.JUMPCHECK CODE)
(RETURN (COND
((COMP.PREDP COMPILE.CONTEXT)
'PREDVALUE)
(T 'NOVALUE]
(T (OPT.COMPILERERROR]
(AND (EQ COMPILE.CONTEXT 'EFFECT)
(COMP.NOSIDEEFFECTP EXP)
(RETURN 'NOVALUE))
TOP [SETQ V (COND
[(NLISTP EXP)
(COND
((LITATOM EXP)
(SELECTQ EXP
((T NIL)
(COMP.CONST EXP))
(COMP.VAR EXP)))
([OR (NUMBERP EXP)
(PROGN (* ; "non-quoted string")
(OR [NULL (SETQ M (CDR (FASSOC (TYPENAME EXP)
COMPILETYPELST]
(EQ EXP (SETQ EXP (APPLY* M EXP]
(COMP.CONST EXP))
(T (GO TOP]
[[NOT (LITATOM (SETQ M (CAR EXP]
(SELECTQ (CAR (LISTP M))
([LAMBDA NLAMBDA OPENLAMBDA]
(COMP.LAMBDA M (CDR EXP)))
(CL:LAMBDA (* ;
"Edited by TT(13-June-90) support convertion of CL:LAMBDA")
(SETQ EXP (CONS (\TRANSLATE-CL%:LAMBDA M)
(CDR EXP)))
(GO TOP))
(OPCODES (OR (fetch EXTCALL of FRAME)
(COMP.CLEANFNOP M 'FREEVARS)
(replace EXTCALL of FRAME with F))
(COMP.STFN (CAR EXP)
(for X in (CDR EXP) sum (COMP.VAL X)
1)))
(COND
((SETQ M (COMP.TRYUSERFN EXP))
(SETQ EXP M)
(GO TOP))
(T (COMPERROR (CONS M '(- non-atomic CAR of form]
((OR (AND (SETQ V (GETMACROPROP M COMPILERMACROPROPS))
(NEQ V T))
(GET M 'MACRO-FN)
(COMPILER:OPTIMIZER-LIST M)
(EQ (COMPILER:ENV-FBOUNDP *BC-MACRO-ENVIRONMENT* M :LEXICAL-ONLY T)
:MACRO))
(COMP.TRANSFORM EXP))
((AND (EQ COMPILE.CONTEXT 'RETURN)
(EQ M PIFN))
(COMP.CPI M (CDR EXP)))
((SETQ V (COMP.ARGTYPE M))
(COMP.CALL M (CDR EXP)
V))
((SETQ V (COMP.TRYUSERFN EXP))
(SETQ EXP V)
(GO TOP))
(T (COMP.CALL M (CDR EXP]
(RETURN (SELECTQ COMPILE.CONTEXT
(NIL NIL)
(EFFECT (OR (EQ V 'NOVALUE)
(COMP.STPOP))
'NOVALUE)
(RETURN (OR (OPT.JUMPCHECK CODE)
(COMP.STRETURN))
'NOVALUE)
(COND
((COMP.PREDP COMPILE.CONTEXT)
(COND
((NEQ V 'PREDVALUE) (* ;
"in this case, COMPILE.CONTEXT is a jump instruction")
(COMP.STJUMP COMPILE.CONTEXT)))
'PREDVALUE)
((EQ (CAR (LISTP COMPILE.CONTEXT))
'TYPE)
NIL)
((EQ (CAR (LISTP COMPILE.CONTEXT))
'UNBOXED)
(OR (EQ V 'UNBOXED)
(COMP.UNBOX (CDR COMPILE.CONTEXT)))
'UNBOXED])
(COMP.TRYUSERFN
[LAMBDA (EXP M)
(AND COMPILEUSERFN (COND
((EQ (SETQ M (COMP.USERFN EXP))
'INSTRUCTIONS)
[COMPERRM (CONS EXP '(COMPILEUSERFN returned INSTRUCTIONS]
NIL)
(T M])
(COMP.USERFN
[LAMBDA (X) (* ; "Edited 7-Apr-87 13:12 by Pavel")
(COND
((CL:KEYWORDP X)
(LIST 'QUOTE X))
[(AND (EQ [CAR (LISTP (CAR (LISTP X]
'CL:LAMBDA)
(COND
((INTERSECTION (CADR (CAR X))
CL:LAMBDA-LIST-KEYWORDS)
(ERROR "Can't cope with lambda keywords in internal LAMBDA lists"))
(T `([LAMBDA ,@(CDAR X]
,@(CDR X]
((LITATOM X)
(OR (AND COMPVARMACROHASH (GETHASH X COMPVARMACROHASH))
X))
(T (LET [(FN TOPFN)
(OTHERVARS (FOR X IN ALLVARS COLLECT (FETCH OPARG OF X]
(DECLARE (SPECVARS FN OTHERVARS)) (* ; "uses FN DEF ARGS OTHERVARS")
(APPLY* COMPILEUSERFN (CDR X)
X])
(COMP.CONST
[LAMBDA (X) (* lmm "13-Jul-84 21:18")
(COND
((AND (NOT OPTIMIZATIONSOFF)
(EQ COMPILE.CONTEXT 'EFFECT)) (* CONST in (EQ COMPILE.CONTEXT
(QUOTE EFFECT)))
'NOVALUE)
((AND (NOT OPTIMIZATIONSOFF)
(COMP.PREDP COMPILE.CONTEXT))
[AND (SELECTQ (fetch OPNAME of COMPILE.CONTEXT)
(TJUMP X)
(NTJUMP (COND
(X (COMP.STCONST X)
T)))
(FJUMP (NOT X))
(NFJUMP (COND
((NOT X)
(COMP.STCONST X)
T)))
(SHOULDNT))
(COMP.STJUMP 'JUMP (CAR (fetch OPARG of COMPILE.CONTEXT))
(CDR (fetch OPARG of COMPILE.CONTEXT]
'PREDVALUE)
(T (COMP.STCONST X])
(COMP.CALL
[LAMBDA (F A TYP) (* ; "Edited 9-Feb-87 18:29 by Pavel")
(PROG ((N 0))
(OR (fetch EXTCALL of FRAME)
(COMP.CLEANFNOP F 'FREEVARS)
(replace EXTCALL of FRAME with F))
(SELECTQ TYP
(3 (* ;
"call nlambda by applying with entire arglist as first arg")
(pushnew NLAMS1 F)
(COMP.STCONST A)
(RETURN (COMP.STFN F 1)))
(1 (* ;
"call NLAMBDA spread merely by not compiling arguments")
(pushnew NLAMS1 F))
(NIL (* ;
"unknown argtype, assume lambda, but warn user")
(pushnew ALAMS1 F))
NIL)
LP [COND
((LISTP A)
(SELECTQ TYP
(1 (COMP.STCONST (CAR A)))
(COMP.VAL (CAR A)))
(SETQ N (ADD1 N))
(SETQ A (CDR A))
(GO LP))
(A (COMPERROR (CONS A '(- unusual tail for argument list]
(RETURN (COMP.STFN F N])
(COMP.VAR
[LAMBDA (VAR) (* lmm "24-Jan-85 18:40")
(COND
((EQ COMPILE.CONTEXT 'EFFECT) (* VAR in EFFECT)
'NOVALUE)
(T (SETQ VAR (COMP.LOOKUPVAR VAR T))
(COMP.STVAR VAR)
(LET [(DECL (CDR (ASSOC VAR ALLDECLS]
(if (EQ (CAR (LISTP DECL))
'UNBOXED)
then (COMP.BOX (CDR DECL])
(COMP.VAL1
[LAMBDA (L COMPILE.CONTEXT) (* lmm "29-Jun-84 08:25")
(COMP.PROG1 L])
(COMP.PROG1
[LAMBDA (A) (* lmm "29-Jun-84 08:25")
(COND
((NULL (CDR A))
(COMP.EXP1 (CAR A)))
(T (PROG1 (COMP.EXPR (CAR A)
(COND
((EQ COMPILE.CONTEXT 'EFFECT)
COMPILE.CONTEXT)))
(MAPC (CDR A)
(FUNCTION COMP.EFFECT])
(COMP.EFFECT
[LAMBDA (E) (* lmm "13-Jul-84 21:18")
(PROG ((LV LEVEL))
(COND
((OPT.JUMPCHECK CODE) (* code for effect eliminated after
JUMP or RETURN)
(RETURN))
(T (OPT.CCHECK LV)))
(RETURN (PROG1 (COMP.EXPR E 'EFFECT)
(OPT.CCHECK (OR AC (EQ LEVEL LV)
(OPT.JUMPCHECK CODE])
(COMP.VAL
[LAMBDA (X) (* lmm "13-Jul-84 21:18")
(PROG ((LV LEVEL))
(COND
((OPT.JUMPCHECK CODE) (* code for value eliminated after
JUMP or RETURN)
(RETURN)))
(RETURN (PROG1 (COMP.EXPR X)
(OPT.CCHECK (OR (EQ (ADD1 LV)
LEVEL)
AC
(OPT.JUMPCHECK CODE])
(COMP.MACRO
[LAMBDA (EXP MAC) (* ; "Edited 11-May-87 16:25 by amd")
(COND
[(NLISTP MAC)
(SELECTQ MAC
(T (* ;
"The macro is 'T'. Compile this as a function-call.")
(COMP.CALL (CAR EXP)
(CDR EXP)
(COMP.ARGTYPE (CAR EXP))))
(COMP.PUNT (COMP.PUNT))
(BLKAPPLY* MAC (CDR EXP]
(T (SELECTQ (CAR MAC)
(APPLY (APPLY (CADR MAC)
(CDR EXP)))
(APPLY* (APPLY (CADR MAC)
(CONS (CDR EXP)
(CDDR MAC))))
(OPENLAMBDA (COMP.LAMBDA MAC (CDR EXP)))
(LET* ((*BYTECOMPILER-IS-EXPANDING* T)
(EXPANSION (MACROEXPANSION EXP MAC T COMPILE.CONTEXT)))
(DECLARE (SPECVARS *BYTECOMPILER-IS-EXPANDING*))
(if (EQ EXPANSION EXP)
then (* ;
"can't expand, e.g. returns IGNOREMACRO")
(COMP.CALL (CAR EXP)
(CDR EXP)
(COMP.ARGTYPE (CAR EXP)))
else (COMP.EXP1 EXPANSION])
)
(DEFINEQ
(COMP.VARTYPE
[LAMBDA (VAR) (* lmm "13-MAR-81 09:36")
(OPT.CCHECK (AND VAR (LITATOM VAR)))
(COND
((COMP.ANONP VAR)
'HVAR)
(T 'AVAR])
(COMP.LOOKUPVAR
[LAMBDA (V FORVALUE) (* jds " 1-Feb-84 15:08")
(PROG (X)
(COND
((SETQ X (find VAR in ALLVARS suchthat (EQ (fetch VARNAME of VAR)
V)))
(RETURN X)))
(COND
((SETQ X (find VAR in FREEVARS suchthat (EQ (fetch VARNAME of VAR)
V)))
(RETURN X)))
[COND
((NEQ V (SETQ X (COMP.USERFN V)))
(COND
(FORVALUE (RETAPPLY 'COMP.VAR (FUNCTION COMP.VAL)
(LIST X)
T))
(T (COMPERRM (CONS V " - is compile time constant, yet is bound or set."]
(SETQ FREEVARS (CONS (SETQ X (create VAR
COMP.VARTYPE _ (COND
((AND GLOBALVARFLG (COMP.GLOBALVARP
V))
'GVAR)
(T 'FVAR))
VARNAME _ (COMP.CHECK.VAR V)))
FREEVARS))
(RETURN X])
(COMP.LOOKUPCONST
[LAMBDA (X) (* lmm "24-JUN-78 22:56")
(COND
((NULL X)
OPNIL)
(T (OR [CAR (SOME CONSTS (FUNCTION (LAMBDA (Y)
(EQ X (fetch OPARG of Y]
(PROG1 (SETQ X (create OP
OPNAME _ 'CONST
OPARG _ X))
(SETQ CONSTS (NCONC1 CONSTS X])
)
(DEFINEQ
(COMP.ST
[LAMBDA (X DL) (* lmm "13-Jul-84 21:18")
(OPT.CCHECK DL)
(COND
[(OR LEVEL (EQ DL T))
(SETQ CODE (CONS X CODE))
(SETQ LEVEL (COND
((FIXP DL)
(IPLUS LEVEL DL]
(T (OPT.CCHECK (OPT.JUMPCHECK CODE)) (* didn't store code after JUMP or
RETURN)
NIL])
(COMP.STFN
[LAMBDA (FN N) (* lmm "16-APR-82 00:14")
(COMP.ST (create OP
OPNAME _ 'FN
OPARG _ (CONS N (OR (AND BLKFLG (LITATOM FN)
(CDR (FASSOC FN INTERNALBLKFNS)))
FN)))
(IDIFFERENCE 1 N])
(COMP.STCONST
[LAMBDA (X) (* lmm "16-APR-82 00:14")
(COMP.ST (COMP.LOOKUPCONST X)
1])
(COMP.STVAR
[LAMBDA (VREF) (* lmm "16-APR-82 00:14")
(COMP.ST VREF 1])
(COMP.STPOP
[LAMBDA (N) (* lmm "16-APR-82 00:14")
(RPTQ (OR N 1)
(COMP.ST OPPOP -1])
(COMP.DELFN
[LAMBDA NIL (* lmm%: "22-JUL-77 02:40")
[SETQ LEVEL (IPLUS (SUB1 LEVEL)
(CAR (fetch OPARG of (CAR CODE]
(SETQ CODE (CDR CODE])
(COMP.STRETURN
[LAMBDA NIL (* lmm "16-APR-82 00:13")
(COMP.ST OPRETURN T)
(SETQ LEVEL (SETQ FRAME])
(COMP.STTAG
[LAMBDA (TAG) (* lmm "13-Jul-84 21:18")
(PROG ((NLV (fetch (TAG LEVEL) of TAG))
(NF (fetch (TAG FRAME) of TAG)))
(OR (COND
[(OR NLV NF)
(AND (EQ NLV (OR LEVEL (SETQ LEVEL NLV)))
(EQ NF (OR FRAME (SETQ FRAME NF]
((OR LEVEL FRAME)
(AND (replace (TAG LEVEL) of TAG with LEVEL)
(replace (TAG FRAME) of TAG with FRAME)))
(T T))
(OPT.COMPILERERROR))
[COND
((AND (EQ (fetch OPNAME of (CAR CODE))
'JUMP)
(EQ (fetch (JUMP TAG) of (CAR CODE))
TAG)) (* delete JUMP to next in COMP.STTAG)
(SETQ CODE (CDR CODE]
(COMP.ST TAG 0])
(COMP.STJUMP
[LAMBDA (OP TAG JT) (* lmm "13-Jul-84 21:18")
(COND
((OPT.JUMPCHECK CODE) (* JUMP not stored after JUMP or
RETURN)
NIL)
(T [COND
((NULL TAG)
(* even if OP is given and in correct format, re-cons it up since OPT.POSTOPT
might smash it)
(SETQ TAG (CAR (fetch OPARG of OP)))
(SETQ JT (CDR (fetch OPARG of OP)))
(SETQ OP (fetch OPNAME of OP]
(COMP.ST (create JUMP
OPNAME _ OP
TAG _ TAG
JT _ JT)
0)
(PROG ((F (fetch FRAME of TAG))
(V (fetch (TAG LEVEL) of TAG))
NV)
(COND
(F (OPT.CCHECK (EQ F FRAME)))
(T (replace (TAG FRAME) of TAG with FRAME)))
(SETQ NV (SELECTQ OP
(JUMP (PROG1 LEVEL (SETQ FRAME (SETQ LEVEL))))
((FJUMP TJUMP)
(SETQ LEVEL (SUB1 LEVEL)))
((NFJUMP NTJUMP)
(PROG1 LEVEL (SETQ LEVEL (SUB1 LEVEL))))
(ERRORSET (PROG1 (SUB1 LEVEL)
(SETQ FRAME JT)
(SETQ LEVEL 0)))
(OPT.COMPILERERROR)))
(OPT.CCHECK (OR (NULL NV)
(IGEQ NV 0)))
(OPT.CCHECK (OR (NULL LEVEL)
(IGEQ LEVEL 0)))
(COND
(V (OPT.CCHECK (EQ V NV)))
(T (replace (TAG LEVEL) of TAG with NV])
(COMP.STSETQ