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parser.zil
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parser.zil
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"PARSER for
BALLYHOO
(c) Copyright 1986 Infocom, Inc. All Rights Reserved"
;"Parser global variable convention: All parser globals will begin
with 'P-'. Local variables are not restricted in any way."
<SETG SIBREAKS ".,\"">
<GLOBAL P-AND <>>
<GLOBAL IN-FRONT-FLAG <>>
<GLOBAL PRSA <>>
<GLOBAL PRSI <>>
<GLOBAL PRSO <>>
<GLOBAL P-TABLE 0>
<GLOBAL P-ONEOBJ 0>
<GLOBAL P-SYNTAX 0>
<GLOBAL P-CCTBL <TABLE 0 0 0 0>>
;"pointers used by CLAUSE-COPY (source/destination beginning/end pointers)"
<CONSTANT CC-SBPTR 0>
<CONSTANT CC-SEPTR 1>
<CONSTANT CC-DBPTR 2>
<CONSTANT CC-DEPTR 3>
<GLOBAL P-LEN 0>
<GLOBAL WINNER 0>
<GLOBAL P-LEXV <ITABLE BYTE 120>>
<GLOBAL AGAIN-LEXV <ITABLE BYTE 120>>
<GLOBAL RESERVE-LEXV <ITABLE BYTE 120>>
<GLOBAL RESERVE-PTR <>>
<GLOBAL P-INBUF <ITABLE BYTE 60>> ;"INBUF - Input buffer for READ"
<GLOBAL RESERVE-INBUF <ITABLE BYTE 60>> ; "FIX #36"
<GLOBAL OOPS-INBUF <ITABLE BYTE 60>>
<GLOBAL OOPS-TABLE <TABLE <> <> <> <>>>
<CONSTANT O-PTR 0>
<CONSTANT O-START 1>
<CONSTANT O-LENGTH 2>
<CONSTANT O-END 3>
<GLOBAL P-CONT <>> ;"Parse-cont variable"
<GLOBAL P-IT-OBJECT <>>
<GLOBAL LAST-PSEUDO-LOC <>>
<GLOBAL P-OFLAG <>> ;"Orphan flag"
<GLOBAL P-MERGED <>>
<GLOBAL P-ACLAUSE <>>
<GLOBAL P-ANAM <>>
<GLOBAL P-AADJ <>>
;"Parser variables and temporaries"
<CONSTANT P-LEXWORDS 1> ;"Byte offset to # of entries in LEXV"
<CONSTANT P-LEXSTART 1> ;"Word offset to start of LEXV entries"
<CONSTANT P-LEXELEN 2> ;"Number of words per LEXV entry"
<CONSTANT P-WORDLEN 4>
<CONSTANT P-PSOFF 4> ;"Offset to parts of speech byte"
<CONSTANT P-P1OFF 5> ;"Offset to first part of speech"
<CONSTANT P-P1BITS 3> ;"First part of speech bit mask in PSOFF byte"
<CONSTANT P-ITBLLEN 9>
<GLOBAL P-ITBL
<TABLE 0 0 0 0 0 0 0 0 0 0>>
<GLOBAL P-OTBL
<TABLE 0 0 0 0 0 0 0 0 0 0>>
<GLOBAL P-VTBL
<TABLE 0 0 0 0>>
<GLOBAL P-OVTBL
<TABLE 0 0 0 0>>
<GLOBAL P-NCN 0>
<CONSTANT P-VERB 0>
<CONSTANT P-VERBN 1>
<CONSTANT P-PREP1 2>
<CONSTANT P-PREP1N 3>
<CONSTANT P-PREP2 4>
<CONSTANT P-NC1 6>
<CONSTANT P-NC1L 7>
<CONSTANT P-NC2 8>
<CONSTANT P-NC2L 9>
<GLOBAL QUOTE-FLAG <>>
;<GLOBAL P-INPUT-WORDS <>>
<GLOBAL P-END-ON-PREP <>>
<GLOBAL P-PRSA-WORD <>>
" Grovel down the input finding the verb, prepositions, and noun clauses.
If the input is <direction> or <walk> <direction>, fall out immediately
setting PRSA to ,V?WALK and PRSO to <direction>. Otherwise, perform
all required orphaning, syntax checking, and noun clause lookup."
<ROUTINE PARSER ("AUX" (PTR ,P-LEXSTART) WRD (VAL 0) (VERB <>) ;(DONT <>)
OMERGED OWINNER OLEN LEN (DIR <>) (NW 0) (LW 0) (CNT -1))
<REPEAT ()
<COND (<G? <SET CNT <+ .CNT 1>> ,P-ITBLLEN> <RETURN>)
(T
<COND (<NOT ,P-OFLAG>
<PUT ,P-OTBL .CNT <GET ,P-ITBL .CNT>>)>
<PUT ,P-ITBL .CNT 0>)>>
<SETG IN-FRONT-FLAG <>>
<SETG P-DOLLAR-FLAG <>>
;<SETG STOP-HACK <>>
<SET OMERGED ,P-MERGED>
<SET OWINNER ,WINNER>
<PUT ,P-NAMW 0 <>>
<PUT ,P-NAMW 1 <>>
<PUT ,P-ADJW 0 <>>
<PUT ,P-ADJW 1 <>>
<SETG P-ADVERB <>>
<SETG P-MERGED <>>
<SETG P-END-ON-PREP <>>
<PUT ,P-PRSO ,P-MATCHLEN 0>
<PUT ,P-PRSI ,P-MATCHLEN 0>
<PUT ,P-BUTS ,P-MATCHLEN 0>
<COND (<AND <NOT ,QUOTE-FLAG> <N==? ,WINNER ,PLAYER>>
<SETG WINNER ,PLAYER>
<COND (<NOT <FSET? <LOC ,WINNER> ,VEHBIT>>
<SETG HERE <LOC ,WINNER>>)>
<SETG LIT <LIT? ,HERE>>)>
<COND (,RESERVE-PTR
<SET PTR ,RESERVE-PTR>
<STUFF ,P-LEXV ,RESERVE-LEXV>
<INBUF-STUFF ,P-INBUF ,RESERVE-INBUF> ;"rfix no. 36"
<COND (<AND <EQUAL? ,VERBOSITY 1 2>
<==? ,PLAYER ,WINNER>>
<CRLF>)>
<SETG RESERVE-PTR <>>
<SETG P-CONT <>>)
(,P-CONT
<SET PTR ,P-CONT>
<COND (<AND <EQUAL? ,VERBOSITY 1 2>
<==? ,PLAYER ,WINNER>>
<CRLF>)>
<SETG P-CONT <>>)
(T
<SETG WINNER ,PLAYER>
<SETG QUOTE-FLAG <>>
<COND (<NOT <FSET? <LOC ,WINNER> ,VEHBIT>>
<SETG HERE <LOC ,WINNER>>)>
<SETG LIT <LIT? ,HERE>>
<COND (<EQUAL? ,VERBOSITY 1 2>
<CRLF>)>
<TELL ">">
<READ ,P-INBUF ,P-LEXV>
<SET OLEN <GETB ,P-LEXV ,P-LEXWORDS>>)>
<SETG P-LEN <GETB ,P-LEXV ,P-LEXWORDS>>
<COND (<0? ,P-LEN>
<TELL "[I beg your pardon?]" CR>
<RFALSE>)
(<EQUAL? <GET ,P-LEXV .PTR> ,W?OOPS>
<COND (<EQUAL? <GET ,P-LEXV <+ .PTR ,P-LEXELEN>> ;"rfix 36"
,W?PERIOD ,W?COMMA>
<SET PTR <+ .PTR ,P-LEXELEN>>
<SETG P-LEN <- ,P-LEN 1>>)>
<COND (<NOT <G? ,P-LEN 1>>
<YOU-CANT-USE "OOPS">
<RFALSE>)
(<GET ,OOPS-TABLE ,O-PTR>
<COND (<G? ,P-LEN 2>
<TELL
"[Warning: Only the first word after OOPS is used.]" CR>)>
<PUT ,AGAIN-LEXV <GET ,OOPS-TABLE ,O-PTR>
<GET ,P-LEXV <+ .PTR ,P-LEXELEN>>>
<SETG WINNER .OWINNER> ;"Fixes OOPS w/char"
<INBUF-ADD <GETB ,P-LEXV <+ <* .PTR ,P-LEXELEN> 6>>
<GETB ,P-LEXV <+ <* .PTR ,P-LEXELEN> 7>>
<+ <* <GET ,OOPS-TABLE ,O-PTR> ,P-LEXELEN> 3>>
<STUFF ,P-LEXV ,AGAIN-LEXV>
<SETG P-LEN <GETB ,P-LEXV ,P-LEXWORDS>>;"Will this help?"
<SET PTR <GET ,OOPS-TABLE ,O-START>>
<INBUF-STUFF ,P-INBUF ,OOPS-INBUF>)
(T
<PUT ,OOPS-TABLE ,O-END <>>
<TELL "[There was no word to replace.]" CR>
<RFALSE>)>)
(T <PUT ,OOPS-TABLE ,O-END <>>)>
<COND (<EQUAL? <GET ,P-LEXV .PTR> ,W?AGAIN ,W?G>
<SETG P-DOLLAR-FLAG T> ;"added JO"
<COND (<OR ,P-OFLAG
<RUNNING? I-CURSE>>
<YOU-CANT-USE "AGAIN">
<RFALSE>)
;(<RUNNING? ,I-CURSE>
<CLEAN-TALK?>
<RFALSE>)
(<NOT ,P-WON>
<TELL "[That would just repeat a mistake.]" CR>
<RFALSE>)
(<AND <NOT <EQUAL? .OWINNER ,PLAYER>>
<NOT <VISIBLE? .OWINNER>>>
<TELL "[You can't see">
<ARTICLE .OWINNER T>
<TELL " any more.]" CR>
<RFALSE>)
(<G? ,P-LEN 1>
<COND (<OR <EQUAL? <GET ,P-LEXV <+ .PTR ,P-LEXELEN>>
,W?PERIOD ,W?COMMA ,W?THEN>
<EQUAL? <GET ,P-LEXV <+ .PTR ,P-LEXELEN>>
,W?AND>>
<SET PTR <+ .PTR <* 2 ,P-LEXELEN>>>
<PUTB ,P-LEXV ,P-LEXWORDS
<- <GETB ,P-LEXV ,P-LEXWORDS> 2>>)
(T
<TELL ,BAD-SENTENCE CR>
<RFALSE>)>)
(T
<SET PTR <+ .PTR ,P-LEXELEN>>
<PUTB ,P-LEXV ,P-LEXWORDS
<- <GETB ,P-LEXV ,P-LEXWORDS> 1>>)>
<COND (<G? <GETB ,P-LEXV ,P-LEXWORDS> 0>
<STUFF ,RESERVE-LEXV ,P-LEXV>
<INBUF-STUFF ,RESERVE-INBUF ,P-INBUF>
<SETG RESERVE-PTR .PTR>)
(T
<SETG RESERVE-PTR <>>)>
;<SETG P-LEN <GETB ,AGAIN-LEXV ,P-LEXWORDS>>
<SETG WINNER .OWINNER>
<SETG P-MERGED .OMERGED>
<INBUF-STUFF ,P-INBUF ,OOPS-INBUF>
<STUFF ,P-LEXV ,AGAIN-LEXV>
<SET CNT -1>
<SET DIR ,AGAIN-DIR>
<REPEAT ()
<COND (<IGRTR? CNT ,P-ITBLLEN> <RETURN>)
(T <PUT ,P-ITBL .CNT <GET ,P-OTBL .CNT>>)>>)
(T
<STUFF ,AGAIN-LEXV ,P-LEXV>
<INBUF-STUFF ,OOPS-INBUF ,P-INBUF>
<PUT ,OOPS-TABLE ,O-START .PTR>
<PUT ,OOPS-TABLE ,O-LENGTH <* 4 ,P-LEN>> ;"rfix no. 36"
<SET LEN
<* 2 <+ .PTR <* ,P-LEXELEN <GETB ,P-LEXV ,P-LEXWORDS>>>>>
<PUT ,OOPS-TABLE ,O-END <+ <GETB ,P-LEXV <- .LEN 1>>
<GETB ,P-LEXV <- .LEN 2>>>>
<SETG RESERVE-PTR <>>
<SET LEN ,P-LEN>
;<SETG P-DIR <>>
<SETG P-NCN 0>
<SETG P-GETFLAGS 0>
<REPEAT ()
<COND (<L? <SETG P-LEN <- ,P-LEN 1>> 0>
<SETG QUOTE-FLAG <>>
<RETURN>) ;"NEXT two clauses added by JO via PROF"
(<CLEAN-TALK? <SET WRD <GET ,P-LEXV .PTR>>>
<RFALSE>)
(<BUZZER-WORD? <SET WRD <GET ,P-LEXV .PTR>>>
<RFALSE>)
(<OR <SET WRD <GET ,P-LEXV .PTR>>
<SET WRD <NUMBER? .PTR>>>
<COND (<AND <==? .WRD ,W?TO>
<EQUAL? .VERB ,ACT?TELL ,ACT?ASK>
;"next clause added 8/20/84 by JW to
enable TELL MY NAME TO BEAST"
<WT? <GET ,P-LEXV <+ .PTR ,P-LEXELEN>>
,PS?VERB ,P1?VERB>>
<PUT ,P-ITBL ,P-VERB ,ACT?TELL>
<SET WRD ,W?QUOTE>)
(<AND <==? .WRD ,W?THEN>
<G? ,P-LEN 0>
<NOT .VERB>
<NOT ,QUOTE-FLAG>>
<PUT ,P-ITBL ,P-VERB ,ACT?TELL>
<PUT ,P-ITBL ,P-VERBN 0>
<SET WRD ,W?QUOTE>)
(<AND <EQUAL? .WRD ,W?PERIOD>
<EQUAL? .LW ,W?MR ,W?DR ;,W?ST>>
<SETG P-NCN <- ,P-NCN 1>>
<CHANGE-LEXV .PTR .LW T>
<SET WRD .LW>
<SET LW 0>)>
<COND (<OR <EQUAL? .WRD ,W?THEN ,W?PERIOD>
<EQUAL? .WRD ,W?QUOTE>>
<COND (<EQUAL? .WRD ,W?QUOTE>
<COND ;"Following clause added 8/7/84
for CARVE 'FOO' IN BAR"
;(<EQUAL? .VERB ,ACT?CARVE ,ACT?MY>
<CHANGE-LEXV .PTR ,W?THE>
<SETG P-LEN <+ ,P-LEN 1>>
<AGAIN>)
(,QUOTE-FLAG
<SETG QUOTE-FLAG <>>)
(T <SETG QUOTE-FLAG T>)>)>
<OR <0? ,P-LEN>
<SETG P-CONT <+ .PTR ,P-LEXELEN>>>
<PUTB ,P-LEXV ,P-LEXWORDS ,P-LEN>
<RETURN>)
(<AND <SET VAL
<WT? .WRD ,PS?DIRECTION ,P1?DIRECTION>>
<EQUAL? .VERB <> ,ACT?WALK ,ACT?GO>
<OR <EQUAL? .LEN 1>
<AND <EQUAL? .LEN 2>
<EQUAL? .VERB ,ACT?WALK ,ACT?GO>>
<AND <EQUAL? <SET NW
<GET ,P-LEXV
<+ .PTR ,P-LEXELEN>>>
,W?THEN
,W?PERIOD
,W?QUOTE>
<NOT <L? .LEN 2>>>
<AND ,QUOTE-FLAG
<==? .LEN 2>
<EQUAL? .NW ,W?QUOTE>>
<AND <G? .LEN 2>
<EQUAL? .NW ,W?COMMA ,W?AND>>>>
<SET DIR .VAL>
<COND (<EQUAL? .NW ,W?COMMA ,W?AND>
<CHANGE-LEXV <+ .PTR ,P-LEXELEN>
,W?THEN>)>
<COND (<NOT <G? .LEN 2>>
<SETG QUOTE-FLAG <>>
<RETURN>)>)
(<AND <SET VAL <WT? .WRD ,PS?VERB ,P1?VERB>>
<NOT .VERB>>
<SETG P-PRSA-WORD .WRD>
<SET VERB .VAL>
<PUT ,P-ITBL ,P-VERB .VAL>
<PUT ,P-ITBL ,P-VERBN ,P-VTBL>
<PUT ,P-VTBL 0 .WRD>
<PUTB ,P-VTBL 2 <GETB ,P-LEXV
<SET CNT
<+ <* .PTR 2> 2>>>>
<PUTB ,P-VTBL 3 <GETB ,P-LEXV <+ .CNT 1>>>)
(<OR <SET VAL <WT? .WRD ,PS?PREPOSITION 0>>
<AND <OR <EQUAL? .WRD ,W?ALL ,W?ONE ,W?BOTH>
<WT? .WRD ,PS?ADJECTIVE>
<WT? .WRD ,PS?OBJECT>>
<SET VAL 0>>>
<COND (<AND <G? ,P-LEN 0>
<EQUAL? <GET ,P-LEXV <+ .PTR ,P-LEXELEN>>
,W?OF>
<0? .VAL>
<NOT <EQUAL? .WRD ,W?ALL ,W?ONE ,W?A>>
<NOT <EQUAL? .WRD ,W?BOTH>>>
<COND (<EQUAL? .WRD ,W?FRONT ,W?HEAD>
<SETG IN-FRONT-FLAG T>)>)
(<AND <NOT <0? .VAL>>
<OR <0? ,P-LEN>
<EQUAL? <GET ,P-LEXV <+ .PTR 2>>
,W?THEN ,W?PERIOD>>>
<SETG P-END-ON-PREP T>
<COND (<L? ,P-NCN 2>
<PUT ,P-ITBL ,P-PREP1 .VAL>
<PUT ,P-ITBL ,P-PREP1N .WRD>)>)
(<EQUAL? ,P-NCN 2>
<TELL
"[There were too many nouns in that sentence.]" CR>
<RFALSE>)
(T
<SETG P-NCN <+ ,P-NCN 1>>
;"This COND added 8/7/84 for IN FRONT OF"
<COND (<AND <EQUAL? .VAL ,PR?IN>
<EQUAL? <GET ,P-LEXV
<+ .PTR 2>>
,W?FRONT>>
<SETG IN-FRONT-FLAG T>)
(<OR <EQUAL? <GET ,P-LEXV
<+ .PTR 2>>
,W?FRONT ,W?HEAD>
<EQUAL? <GET ,P-LEXV
<+ .PTR 3>>
,W?FRONT ,W?HEAD>
<EQUAL? <GET ,P-LEXV
<+ .PTR 4>>
,W?FRONT ,W?HEAD>>
<SETG IN-FRONT-FLAG T>)
(<AND <EQUAL? .VAL ,PR?DOWN>
<EQUAL? <GET ,P-LEXV
<+ .PTR 2>>
,W?IN>
<EQUAL? <GET ,P-LEXV
<+ .PTR 4>>
,W?FRONT>>
<SETG IN-FRONT-FLAG T>)>
<OR <SET PTR <CLAUSE .PTR .VAL .WRD>>
<RFALSE>>
<COND (<L? .PTR 0>
<SETG QUOTE-FLAG <>>
<RETURN>)>)>)
;(<AND <NOT .VERB>
<EQUAL? .WRD ,W?DON\'T ,W?DONT>>
<SET DONT T>)
(<WT? .WRD ,PS?BUZZ-WORD>)
(<AND <EQUAL? .VERB ,ACT?TELL>
<WT? .WRD ,PS?VERB ,P1?VERB>
;"Next expr added to fix FORD, TELL ME WHY"
;"NOT taken out of said expr to fix fix"
<EQUAL? ,WINNER ,PLAYER>>
<TELL-SEE-MANUAL>
<RFALSE>)
(T
<CANT-USE .PTR>
<RFALSE>)>)
(T
<UNKNOWN-WORD .PTR>
<RFALSE>)>
<SET LW .WRD>
<SET PTR <+ .PTR ,P-LEXELEN>>>)>
<PUT ,OOPS-TABLE ,O-PTR <>>
<COND (.DIR
<SETG PRSA ,V?WALK>
<SETG PRSO .DIR>
<SETG P-OFLAG <>>
<SETG P-WALK-DIR .DIR>
<SETG AGAIN-DIR .DIR>
;<SETG DONT-FLAG .DONT>
<RETURN T>)>
<SETG P-WALK-DIR <>>
<SETG AGAIN-DIR <>>
<COND ;(<OR <NOT ,P-OFLAG>
<NOT <ORPHAN-MERGE>>>
<SETG DONT-FLAG .DONT>)
(,P-OFLAG
<ORPHAN-MERGE>)>
<COND (<AND <SYNTAX-CHECK>
<SNARF-OBJECTS>
<MANY-CHECK>
<TAKE-CHECK>>
T)>>
;<ROUTINE CHANGE-LEXV (PTR WRD)
<PUT ,P-LEXV .PTR .WRD>
<PUT ,AGAIN-LEXV .PTR .WRD>>
<ROUTINE CHANGE-LEXV (PTR WRD "OPTIONAL" (PTRS? <>) "AUX" X Y Z)
<COND (.PTRS?
<SET X <+ 2 <* 2 <- .PTR ,P-LEXELEN>>>>
<SET Y <GETB ,P-LEXV .X>>
<SET Z <+ 2 <* 2 .PTR>>>
<PUTB ,P-LEXV .Z .Y>
<PUTB ,AGAIN-LEXV .Z .Y>
<SET Y <GETB ,P-LEXV <+ 1 .X>>>
<SET Z <+ 3 <* 2 .PTR>>>
<PUTB ,P-LEXV .Z .Y>
<PUTB ,AGAIN-LEXV .Z .Y>)>
<PUT ,P-LEXV .PTR .WRD>
<PUT ,AGAIN-LEXV .PTR .WRD>>
;<GLOBAL DONT-FLAG <>>
<GLOBAL P-WALK-DIR <>>
<GLOBAL AGAIN-DIR <>>
<GLOBAL P-DIRECTION <>>
;"For AGAIN purposes, put contents of one LEXV table into another."
<ROUTINE STUFF (DEST SRC "OPTIONAL" (MAX 29) "AUX" (PTR ,P-LEXSTART) (CTR 1)
BPTR)
<PUTB .DEST 0 <GETB .SRC 0>>
<PUTB .DEST 1 <GETB .SRC 1>>
<REPEAT ()
<PUT .DEST .PTR <GET .SRC .PTR>>
<SET BPTR <+ <* .PTR 2> 2>>
<PUTB .DEST .BPTR <GETB .SRC .BPTR>>
<SET BPTR <+ <* .PTR 2> 3>>
<PUTB .DEST .BPTR <GETB .SRC .BPTR>>
<SET PTR <+ .PTR ,P-LEXELEN>>
<COND (<IGRTR? CTR .MAX>
<RETURN>)>>>
;"Put contents of one INBUF into another"
<ROUTINE INBUF-STUFF (DEST SRC "AUX" (CNT -1))
<REPEAT ()
<COND (<IGRTR? CNT 59> <RETURN>)
(T <PUTB .DEST .CNT <GETB .SRC .CNT>>)>>>
;"Put the word in the positions specified from P-INBUF to the end of
OOPS-INBUF, leaving the appropriate pointers in AGAIN-LEXV"
<ROUTINE INBUF-ADD (LEN BEG SLOT "AUX" DBEG (CTR 0) TMP)
<COND (<SET TMP <GET ,OOPS-TABLE ,O-END>>
<SET DBEG .TMP>)
(T
<SET DBEG <+ <GETB ,AGAIN-LEXV
<SET TMP <GET ,OOPS-TABLE ,O-LENGTH>>>
<GETB ,AGAIN-LEXV <+ .TMP 1>>>>)>
<PUT ,OOPS-TABLE ,O-END <+ .DBEG .LEN>>
<REPEAT ()
<PUTB ,OOPS-INBUF <+ .DBEG .CTR> <GETB ,P-INBUF <+ .BEG .CTR>>>
<SET CTR <+ .CTR 1>>
<COND (<EQUAL? .CTR .LEN> <RETURN>)>>
<PUTB ,AGAIN-LEXV .SLOT .DBEG>
<PUTB ,AGAIN-LEXV <- .SLOT 1> .LEN>>
;"Check whether word pointed at by PTR is the correct part of speech.
The second argument is the part of speech (,PS?<part of speech>). The
3rd argument (,P1?<part of speech>), if given, causes the value
for that part of speech to be returned."
<ROUTINE WT? (PTR BIT "OPTIONAL" (B1 5) "AUX" (OFFS ,P-P1OFF) TYP)
<COND (<BTST <SET TYP <GETB .PTR ,P-PSOFF>> .BIT>
<COND (<G? .B1 4> <RTRUE>)
(T
<SET TYP <BAND .TYP ,P-P1BITS>>
<COND (<NOT <==? .TYP .B1>> <SET OFFS <+ .OFFS 1>>)>
<GETB .PTR .OFFS>)>)>>
;" Scan through a noun clause, leave a pointer to its starting location"
<ROUTINE CLAUSE (PTR VAL WRD "AUX" OFF NUM (ANDFLG <>) (FIRST?? T) NW (LW 0))
<SET OFF <* <- ,P-NCN 1> 2>>
<COND (<NOT <==? .VAL 0>>
<PUT ,P-ITBL <SET NUM <+ ,P-PREP1 .OFF>> .VAL>
<PUT ,P-ITBL <+ .NUM 1> .WRD>
<SET PTR <+ .PTR ,P-LEXELEN>>)
(T <SETG P-LEN <+ ,P-LEN 1>>)>
<COND (<0? ,P-LEN> <SETG P-NCN <- ,P-NCN 1>> <RETURN -1>)>
<PUT ,P-ITBL <SET NUM <+ ,P-NC1 .OFF>> <REST ,P-LEXV <* .PTR 2>>>
<COND (<EQUAL? <GET ,P-LEXV .PTR> ,W?THE ,W?A ,W?AN>
<PUT ,P-ITBL .NUM <REST <GET ,P-ITBL .NUM> 4>>)>
<REPEAT ()
<COND (<L? <SETG P-LEN <- ,P-LEN 1>> 0>
<PUT ,P-ITBL <+ .NUM 1> <REST ,P-LEXV <* .PTR 2>>>
<RETURN -1>)>
<COND (<OR <SET WRD <GET ,P-LEXV .PTR>>
<SET WRD <NUMBER? .PTR>>>
<COND (<0? ,P-LEN> <SET NW 0>)
(T <SET NW <GET ,P-LEXV <+ .PTR ,P-LEXELEN>>>)>
<COND (<AND <EQUAL? .WRD ,W?PERIOD>
<EQUAL? .LW ,W?MR ,W?DR>> ;"DR added JO"
<SET LW 0>)
(<EQUAL? .WRD ,W?AND ,W?COMMA> <SET ANDFLG T>)
(<EQUAL? .WRD ,W?ALL ,W?ONE ,W?BOTH>
<COND (<==? .NW ,W?OF>
<SETG P-LEN <- ,P-LEN 1>>
<SET PTR <+ .PTR ,P-LEXELEN>>)>)
(<OR <EQUAL? .WRD ,W?THEN ,W?PERIOD>
<AND <WT? .WRD ,PS?PREPOSITION>
<GET ,P-ITBL ,P-VERB>
;"ADDED 4/27 FOR TURTLE,UP"
<NOT .FIRST??>>>
<SETG P-LEN <+ ,P-LEN 1>>
<PUT ,P-ITBL
<+ .NUM 1>
<REST ,P-LEXV <* .PTR 2>>>
<RETURN <- .PTR ,P-LEXELEN>>)
;"This next clause was 2 clauses further down"
;"This attempts to fix EDDIE, TURN ON COMPUTER"
(<AND .ANDFLG
<EQUAL? <GET ,P-ITBL ,P-VERB> 0>>
<SET PTR <- .PTR 4>>
<CHANGE-LEXV <+ .PTR 2> ,W?THEN>
<SETG P-LEN <+ ,P-LEN 2>>)
(<WT? .WRD ,PS?OBJECT>
<COND ;"First clause added 1/10/84 to fix
'verb AT synonym OF synonym' bug"
(<AND <G? ,P-LEN 0>
<EQUAL? .NW ,W?OF>
<NOT <EQUAL? .WRD ,W?ALL ,W?ONE>>>
T)
(<AND <WT? .WRD
,PS?ADJECTIVE
,P1?ADJECTIVE>
<NOT <==? .NW 0>>
<OR <WT? .NW ,PS?OBJECT>
<WT? .NW ,PS?ADJECTIVE>>>)
(<AND <NOT .ANDFLG>
<NOT <EQUAL? .NW ,W?BUT ,W?EXCEPT>>
<NOT <EQUAL? .NW ,W?AND ,W?COMMA>>>
<PUT ,P-ITBL
<+ .NUM 1>
<REST ,P-LEXV <* <+ .PTR 2> 2>>>
<RETURN .PTR>)
(T <SET ANDFLG <>>)>)
;"next clause replaced by following on from games
with characters"
;(<AND <OR ,P-MERGED
,P-OFLAG
<NOT <EQUAL? <GET ,P-ITBL ,P-VERB> 0>>>
<OR <WT? .WRD ,PS?ADJECTIVE>
<WT? .WRD ,PS?BUZZ-WORD>>>)
(<OR <WT? .WRD ,PS?ADJECTIVE>
<WT? .WRD ,PS?BUZZ-WORD>>)
(<WT? .WRD ,PS?PREPOSITION> T)
(T
<CANT-USE .PTR>
<RFALSE>)>)
(T <UNKNOWN-WORD .PTR> <RFALSE>)>
<SET LW .WRD>
<SET FIRST?? <>>
<SET PTR <+ .PTR ,P-LEXELEN>>>>
;<ROUTINE NUMBER? (PTR "AUX" CNT BPTR CHR (SUM 0) (TIM <>))
<SET CNT <GETB <REST ,P-LEXV <* .PTR 2>> 2>>
<SET BPTR <GETB <REST ,P-LEXV <* .PTR 2>> 3>>
<REPEAT ()
<COND (<L? <SET CNT <- .CNT 1>> 0> <RETURN>)
(T
<SET CHR <GETB ,P-INBUF .BPTR>>
<COND (<==? .CHR 58>
<SET TIM .SUM>
<SET SUM 0>)
(<G? .SUM 32000> <RFALSE>)
(<AND <L? .CHR 58> <G? .CHR 47>>
<SET SUM <+ <* .SUM 10> <- .CHR 48>>>)
(T <RFALSE>)>
<SET BPTR <+ .BPTR 1>>)>>
<CHANGE-LEXV .PTR ,W?INTNUM>
<COND (<G? .SUM 3000> ;"this 3000 used to be 1000"
<RFALSE>)
(.TIM
<COND (<L? .TIM 8>
<SET TIM <+ .TIM 12>>)
(<G? .TIM 23>
<RFALSE>)>
<SET SUM <+ .SUM <* .TIM 60>>>)>
<SETG P-NUMBER .SUM>
,W?INTNUM>
<ROUTINE NUMBER? (PTR "AUX" CNT BPTR CHR (SUM 0) (TIM <>) (DOLLAR <>)
(EXC <>) CCTR TMP NW)
<SET CNT <GETB <REST ,P-LEXV <* .PTR 2>> 2>>
<SET BPTR <GETB <REST ,P-LEXV <* .PTR 2>> 3>>
<REPEAT ()
<COND (<L? <SET CNT <- .CNT 1>> 0> <RETURN>)
(T
<SET CHR <GETB ,P-INBUF .BPTR>>
<COND (<==? .CHR 58>
<COND (.EXC <RFALSE>)>
<SET TIM .SUM>
<SET SUM 0>)
(<G? .SUM 9999> <RFALSE>)
(<AND <L? .CHR 58> <G? .CHR 47>>
<SET SUM <+ <* .SUM 10> <- .CHR 48>>>)
(<EQUAL? .CHR %<ASCII !\$>>
<SET DOLLAR T>)
(T <RFALSE>)>
<SET BPTR <+ .BPTR 1>>)>>
<CHANGE-LEXV .PTR ,W?INTNUM>
<SET NW <GET ,P-LEXV <+ .PTR ,P-LEXELEN>>>
<COND (<AND .DOLLAR
<EQUAL? .NW ,W?PERIOD>
<G? ,P-LEN 1>>
<COND (<SET TMP <CENTS-CHECK <+ .PTR <* ,P-LEXELEN 2>>>>
<COND (<EQUAL? .TMP 100> <SET TMP 0>)>
<SET SUM <+ <* 100 .SUM> .TMP>>
<SET CCTR <- ,P-LEN 2>>
<REPEAT ()
<COND (<DLESS? CCTR 0> <RETURN>)
(T
<SET PTR <+ .PTR ,P-LEXELEN>>
<CHANGE-LEXV .PTR
<GET ,P-LEXV <+ .PTR <* 2 ,P-LEXELEN>>>>
<PUTB ,P-LEXV <+ <* .PTR 2> 2>
<GETB ,P-LEXV
<+ <* <+ .PTR <* 2 ,P-LEXELEN>> 2> 2>>>
<PUTB ,P-LEXV <+ <* .PTR 2> 3>
<GETB ,P-LEXV
<+ <* <+ .PTR <* 2 ,P-LEXELEN>> 2> 3>>>)>>
<SETG P-LEN <- ,P-LEN 2>>
<PUTB ,P-LEXV ,P-LEXWORDS
<- <GETB ,P-LEXV ,P-LEXWORDS> 2>>)>)
(.DOLLAR
<SET SUM <* .SUM 100>>)
(<EQUAL? .NW ,W?DOLLAR>
<SET DOLLAR T>
<SET SUM <* .SUM 100>>)
(<EQUAL? .NW ,W?CENT ,W?CENTS>
<SET DOLLAR T>)>
<COND (<G? .SUM 9999> <RFALSE>)
(.EXC
<SETG P-EXCHANGE 0>)
(.TIM
<SETG P-EXCHANGE 0>
<COND (<G? .TIM 23> <RFALSE>)
;(<G? .TIM 19> T)
;(<G? .TIM 12> <RFALSE>)
;(<G? .TIM 7> T)
;(T <SET TIM <+ 12 .TIM>>)>
<SET SUM <+ .SUM <* .TIM 60>>>)
(T
<SETG P-EXCHANGE 0>)>
<COND (<AND .DOLLAR
<G? .SUM 0>>
<SETG P-AMOUNT .SUM>
<SETG P-DOLLAR-FLAG T>
;<FSET ,INTNUM ,NARTICLEBIT>
<PUTP ,INTNUM ,P?SDESC "money">
,W?MONEY)
(T
<SETG P-NUMBER .SUM>
;<FCLEAR ,INTNUM ,NARTICLEBIT>
<PUTP ,INTNUM ,P?SDESC "number">
,W?NUMBER)>>
<ROUTINE CENTS-CHECK (PTR "AUX" CNT BPTR (CCTR 0) CHR (SUM 0))
<SET CNT <GETB <REST ,P-LEXV <* .PTR 2>> 2>>
<SET BPTR <GETB <REST ,P-LEXV <* .PTR 2>> 3>>
<REPEAT ()
<COND (<L? <SET CNT <- .CNT 1>> 0> <RETURN>)
(T
<SET CHR <GETB ,P-INBUF .BPTR>>
<SET CCTR <+ .CCTR 1>>
<COND (<G? .CCTR 2> <RFALSE>)
(<AND <L? .CHR 58> <G? .CHR 47>>
<SET SUM <+ <* .SUM 10> <- .CHR 48>>>)
(T <RFALSE>)>
<SET BPTR <+ .BPTR 1>>)>>
<COND (<0? .SUM>
<RETURN 100>)
(<EQUAL? .CCTR 1>
<RETURN <* 10 .SUM>>)
(T <RETURN .SUM>)>>
<GLOBAL P-NUMBER 0>
<GLOBAL P-EXCHANGE <>>
<GLOBAL P-DOLLAR-FLAG <>>
<GLOBAL P-AMOUNT 0>
<ROUTINE ORPHAN-MERGE ("AUX" (CNT -1) TEMP VERB BEG END (ADJ <>) WRD)
<SETG P-OFLAG <>>
<COND (<OR <==? <WT? <SET WRD <GET <GET ,P-ITBL ,P-VERBN> 0>>
,PS?VERB ,P1?VERB>
<GET ,P-OTBL ,P-VERB>>
<WT? .WRD ,PS?ADJECTIVE>>
<SET ADJ T>)
(<AND <WT? .WRD ,PS?OBJECT ,P1?OBJECT>
<EQUAL? ,P-NCN 0>>
<PUT ,P-ITBL ,P-VERB 0>
<PUT ,P-ITBL ,P-VERBN 0>
<PUT ,P-ITBL ,P-NC1 <REST ,P-LEXV 2>>
<PUT ,P-ITBL ,P-NC1L <REST ,P-LEXV 6>>
<SETG P-NCN 1>)>
<COND (<AND <NOT <0? <SET VERB <GET ,P-ITBL ,P-VERB>>>>
<NOT .ADJ>
<NOT <==? .VERB <GET ,P-OTBL ,P-VERB>>>>
<RFALSE>)
(<==? ,P-NCN 2> <RFALSE>)
(<==? <GET ,P-OTBL ,P-NC1> 1>
<COND (<OR <==? <SET TEMP <GET ,P-ITBL ,P-PREP1>>
<GET ,P-OTBL ,P-PREP1>>
<0? .TEMP>>
<COND (.ADJ
<PUT ,P-OTBL ,P-NC1 <REST ,P-LEXV 2>>
<COND (<0? <GET ,P-ITBL ,P-NC1L>>
<PUT ,P-ITBL ,P-NC1L <REST ,P-LEXV 6>>)>
<COND (<0? ,P-NCN> <SETG P-NCN 1>)>)
(T
<PUT ,P-OTBL ,P-NC1 <GET ,P-ITBL ,P-NC1>>
;<PUT ,P-OTBL ,P-NC1L <GET ,P-ITBL ,P-NC1L>>)>
<PUT ,P-OTBL ,P-NC1L <GET ,P-ITBL ,P-NC1L>>)
(T <RFALSE>)>)
(<==? <GET ,P-OTBL ,P-NC2> 1>
<COND (<OR <==? <SET TEMP <GET ,P-ITBL ,P-PREP1>>
<GET ,P-OTBL ,P-PREP2>>
<0? .TEMP>>
<COND (.ADJ
<PUT ,P-ITBL ,P-NC1 <REST ,P-LEXV 2>>
<COND (<0? <GET ,P-ITBL ,P-NC1L>>
<PUT ,P-ITBL ,P-NC1L <REST ,P-LEXV 6>>)>)>
<PUT ,P-OTBL ,P-NC2 <GET ,P-ITBL ,P-NC1>>
<PUT ,P-OTBL ,P-NC2L <GET ,P-ITBL ,P-NC1L>>
<SETG P-NCN 2>)
(T <RFALSE>)>)
(,P-ACLAUSE
<COND (<AND <NOT <==? ,P-NCN 1>> <NOT .ADJ>>
<SETG P-ACLAUSE <>>
<RFALSE>)
(T
<SET BEG <GET ,P-ITBL ,P-NC1>>
<COND (.ADJ <SET BEG <REST ,P-LEXV 2>> <SET ADJ <>>)>
<SET END <GET ,P-ITBL ,P-NC1L>>
<REPEAT ()
<SET WRD <GET .BEG 0>>
<COND (<==? .BEG .END>
<COND (.ADJ <ACLAUSE-WIN .ADJ> <RETURN>)
(T <SETG P-ACLAUSE <>> <RFALSE>)>)
(<AND <NOT .ADJ>
<OR <BTST <GETB .WRD ,P-PSOFF>
,PS?ADJECTIVE> ;"same as WT?"
<EQUAL? .WRD ,W?ALL ,W?ONE>>>
<SET ADJ .WRD>)
(<==? .WRD ,W?ONE>
<ACLAUSE-WIN .ADJ>
<RETURN>)
(<BTST <GETB .WRD ,P-PSOFF> ,PS?OBJECT>
<COND (<EQUAL? .WRD ,P-ANAM>
<ACLAUSE-WIN .ADJ>)
(T
<NCLAUSE-WIN>)>
<RETURN>)>
<SET BEG <REST .BEG ,P-WORDLEN>>
<COND (<EQUAL? .END 0>
<SET END .BEG>
<SETG P-NCN 1>
<PUT ,P-ITBL ,P-NC1 <BACK .BEG 4>>
<PUT ,P-ITBL ,P-NC1L .BEG>)>>)>)>
<PUT ,P-VTBL 0 <GET ,P-OVTBL 0>>
<PUTB ,P-VTBL 2 <GETB ,P-OVTBL 2>>
<PUTB ,P-VTBL 3 <GETB ,P-OVTBL 3>>
<PUT ,P-OTBL ,P-VERBN ,P-VTBL>
<PUTB ,P-VTBL 2 0>
;<AND <NOT <==? <GET ,P-OTBL ,P-NC2> 0>> <SETG P-NCN 2>>
<REPEAT ()
<COND (<G? <SET CNT <+ .CNT 1>> ,P-ITBLLEN>
<SETG P-MERGED T>
<RTRUE>)
(T <PUT ,P-ITBL .CNT <GET ,P-OTBL .CNT>>)>>
T>
<ROUTINE ACLAUSE-WIN (ADJ)
<PUT ,P-ITBL ,P-VERB <GET ,P-OTBL ,P-VERB>>
<PUT ,P-CCTBL ,CC-SBPTR ,P-ACLAUSE>
<PUT ,P-CCTBL ,CC-SEPTR <+ ,P-ACLAUSE 1>>
<PUT ,P-CCTBL ,CC-DBPTR ,P-ACLAUSE>
<PUT ,P-CCTBL ,CC-DEPTR <+ ,P-ACLAUSE 1>>
<CLAUSE-COPY ,P-OTBL ,P-OTBL .ADJ>
<AND <NOT <==? <GET ,P-OTBL ,P-NC2> 0>> <SETG P-NCN 2>>
<SETG P-ACLAUSE <>>
<RTRUE>>
<ROUTINE NCLAUSE-WIN ()
<PUT ,P-CCTBL ,CC-SBPTR ,P-NC1>
<PUT ,P-CCTBL ,CC-SEPTR ,P-NC1L>
<PUT ,P-CCTBL ,CC-DBPTR ,P-ACLAUSE>
<PUT ,P-CCTBL ,CC-DEPTR <+ ,P-ACLAUSE 1>>
<CLAUSE-COPY ,P-ITBL ,P-OTBL>
<AND <NOT <==? <GET ,P-OTBL ,P-NC2> 0>> <SETG P-NCN 2>>
<SETG P-ACLAUSE <>>
<RTRUE>>
;"Print undefined word in input.
PTR points to the unknown word in P-LEXV"
<ROUTINE WORD-PRINT (CNT BUF)
<REPEAT ()
<COND (<DLESS? CNT 0> <RETURN>)
(ELSE
<PRINTC <GETB ,P-INBUF .BUF>>
<SET BUF <+ .BUF 1>>)>>>
<ROUTINE UNKNOWN-WORD (PTR "AUX" BUF)
<PUT ,OOPS-TABLE ,O-PTR .PTR>
<TELL "[I don't know the word \"">
<WORD-PRINT <GETB <REST ,P-LEXV <SET BUF <* .PTR 2>>> 2>
<GETB <REST ,P-LEXV .BUF> 3>>
<TELL ".\"]" CR>
<SETG QUOTE-FLAG <>>
<SETG P-OFLAG <>>>
<ROUTINE CANT-USE (PTR "AUX" BUF)
<TELL "[You used the word \"">
<WORD-PRINT <GETB <REST ,P-LEXV <SET BUF <* .PTR 2>>> 2>
<GETB <REST ,P-LEXV .BUF> 3>>
<TELL "\" in a way that I don't understand.]" CR>
<SETG QUOTE-FLAG <>>
<SETG P-OFLAG <>>>
;" Perform syntax matching operations, using P-ITBL as the source of
the verb and adjectives for this input. Returns false if no
syntax matches, and does it's own orphaning. If return is true,
the syntax is saved in P-SYNTAX."
<GLOBAL P-SLOCBITS 0>
<CONSTANT P-SYNLEN 8>
<CONSTANT P-SBITS 0>
<CONSTANT P-SPREP1 1>
<CONSTANT P-SPREP2 2>
<CONSTANT P-SFWIM1 3>
<CONSTANT P-SFWIM2 4>
<CONSTANT P-SLOC1 5>
<CONSTANT P-SLOC2 6>
<CONSTANT P-SACTION 7>
<CONSTANT P-SONUMS 3>
<ROUTINE SYNTAX-CHECK
("AUX" SYN LEN NUM OBJ (DRIVE1 <>) (DRIVE2 <>) PREP VERB TMP)
<COND (<0? <SET VERB <GET ,P-ITBL ,P-VERB>>>
<TELL "[There was no verb in that sentence!]" CR>
<RFALSE>)>
<SET SYN <GET ,VERBS <- 255 .VERB>>>
<SET LEN <GETB .SYN 0>>
<SET SYN <REST .SYN>>
<REPEAT ()
<SET NUM <BAND <GETB .SYN ,P-SBITS> ,P-SONUMS>>
<COND (<G? ,P-NCN .NUM> T)
(<AND <NOT <L? .NUM 1>>
<0? ,P-NCN>
<OR <0? <SET PREP <GET ,P-ITBL ,P-PREP1>>>
<==? .PREP <GETB .SYN ,P-SPREP1>>>>
<SET DRIVE1 .SYN>)
(<==? <GETB .SYN ,P-SPREP1> <GET ,P-ITBL ,P-PREP1>>
<COND (<AND <==? .NUM 2> <==? ,P-NCN 1>>
<SET DRIVE2 .SYN>)
(<EQUAL? <GETB .SYN ,P-SPREP2>
<GET ,P-ITBL ,P-PREP2>>
<SYNTAX-FOUND .SYN>
<RTRUE>)>)>
<COND (<DLESS? LEN 1>
<COND (<OR .DRIVE1 .DRIVE2> <RETURN>)
(T
<V-TELL-TIME>
<RFALSE>)>)
(T <SET SYN <REST .SYN ,P-SYNLEN>>)>>
<COND (<AND .DRIVE1
<SET OBJ
<GWIM <GETB .DRIVE1 ,P-SFWIM1>
<GETB .DRIVE1 ,P-SLOC1>
<GETB .DRIVE1 ,P-SPREP1>>>>
<PUT ,P-PRSO ,P-MATCHLEN 1>
<PUT ,P-PRSO 1 .OBJ>
<SYNTAX-FOUND .DRIVE1>)
(<AND .DRIVE2
<SET OBJ
<GWIM <GETB .DRIVE2 ,P-SFWIM2>
<GETB .DRIVE2 ,P-SLOC2>
<GETB .DRIVE2 ,P-SPREP2>>>>
<PUT ,P-PRSI ,P-MATCHLEN 1>
<PUT ,P-PRSI 1 .OBJ>
<SYNTAX-FOUND .DRIVE2>)
(<EQUAL? .VERB ,ACT?FIND ;,ACT?WHAT>
<TELL "[That question can't be answered.]" CR>
<RFALSE>)
(T
<COND (<EQUAL? ,WINNER ,PLAYER>
<ORPHAN .DRIVE1 .DRIVE2>
<TELL "[Wh">)
(T
<TELL
"[Your command was not complete. Next time, type wh">)>
<COND (<OR <EQUAL? .VERB ,ACT?WALK ,ACT?GO ,ACT?LEAN>
<EQUAL? ,P-PRSA-WORD ,W?CRAWL>>
<TELL "ere">)
(<OR <AND .DRIVE1
<==? <GETB .DRIVE1 ,P-SFWIM1> ,ACTORBIT>>
<AND .DRIVE2
<==? <GETB .DRIVE2 ,P-SFWIM2> ,ACTORBIT>>>
<TELL "om">)
(T <TELL "at">)>
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<TELL " do you want to ">)
(T
<TELL " you want">
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;<SET TMP <GET ,P-OTBL ,P-VERBN>>
;<COND (<EQUAL? .TMP 0>
<TELL "tell">)
(<0? <GETB ,P-VTBL 2>>
<PRINTB <GET .TMP 0>>)
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<WORD-PRINT <GETB .TMP 2> <GETB .TMP 3>>
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<VERB-PRINT>
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