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authordos-reis <gdr@axiomatics.org>2007-08-14 05:14:52 +0000
committerdos-reis <gdr@axiomatics.org>2007-08-14 05:14:52 +0000
commitab8cc85adde879fb963c94d15675783f2cf4b183 (patch)
treec202482327f474583b750b2c45dedfc4e4312b1d /src/interp/fnewmeta.lisp.pamphlet
downloadopen-axiom-ab8cc85adde879fb963c94d15675783f2cf4b183.tar.gz
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+\documentclass{article}
+\usepackage{axiom}
+\begin{document}
+\title{\$SPAD/src/interp fnewmeta.lisp}
+\author{William Burge}
+\maketitle
+\begin{abstract}
+\end{abstract}
+\eject
+\tableofcontents
+\eject
+<<fnew.meta>>=
+% Scratchpad II Boot Language Grammar, Common Lisp Version
+% IBM Thomas J. Watson Research Center
+% Summer, 1986
+%
+% NOTE: Substantially different from VM/LISP version, due to
+% different parser and attempt to render more within META proper.
+
+.META(New NewExpr Process)
+.PACKAGE 'BOOT'
+.DECLARE(tmptok TOK ParseMode DEFINITION_NAME LABLASOC)
+.PREFIX 'PARSE-'
+
+NewExpr: =')' .(processSynonyms) Command
+ / .(SETQ DEFINITION_NAME (CURRENT-SYMBOL)) Statement ;
+
+Command: ')' SpecialKeyWord SpecialCommand +() ;
+
+SpecialKeyWord: =(MATCH-CURRENT-TOKEN "IDENTIFIER)
+ .(SETF (TOKEN-SYMBOL (CURRENT-TOKEN)) (unAbbreviateKeyword (CURRENT-SYMBOL))) ;
+
+SpecialCommand: 'show' <'?' / Expression>! +(show #1) CommandTail
+ / ?(MEMBER (CURRENT-SYMBOL) \$noParseCommands)
+ .(FUNCALL (CURRENT-SYMBOL))
+ / ?(MEMBER (CURRENT-SYMBOL) \$tokenCommands) TokenList
+ TokenCommandTail
+ / PrimaryOrQM* CommandTail ;
+
+TokenList: (^?(isTokenDelimiter) +=(CURRENT-SYMBOL) .(ADVANCE-TOKEN))* ;
+
+TokenCommandTail:
+ <TokenOption*>! ?(atEndOfLine) +(#2 -#1) .(systemCommand #1) ;
+
+TokenOption: ')' TokenList ;
+
+CommandTail: <Option*>! ?(atEndOfLine) +(#2 -#1) .(systemCommand #1) ;
+
+PrimaryOrQM: '?' +\? / Primary ;
+
+Option: ')' PrimaryOrQM* ;
+
+Statement: Expr{0} <(',' Expr{0})* +(Series #2 -#1)>;
+
+InfixWith: With +(Join #2 #1) ;
+
+With: 'with' Category +(with #1) ;
+
+Category: 'if' Expression 'then' Category <'else' Category>! +(if #3 #2 #1)
+ / '(' Category <(';' Category)*>! ')' +(CATEGORY #2 -#1)
+ / .(SETQ $1 (LINE-NUMBER CURRENT-LINE)) Application
+ ( ':' Expression +(Signature #2 #1)
+ .(recordSignatureDocumentation ##1 $1)
+ / +(Attribute #1)
+ .(recordAttributeDocumentation ##1 $1));
+
+Expression: Expr{(PARSE-rightBindingPowerOf (MAKE-SYMBOL-OF PRIOR-TOKEN) ParseMode)}
+ +#1 ;
+
+Import: 'import' Expr{1000} <(',' Expr{1000})*>! +(import #2 -#1) ;
+
+Infix: =TRUE +=(CURRENT-SYMBOL) .(ADVANCE-TOKEN) <TokTail>
+ Expression +(#2 #2 #1) ;
+
+Prefix: =TRUE +=(CURRENT-SYMBOL) .(ADVANCE-TOKEN) <TokTail>
+ Expression +(#2 #1) ;
+
+Suffix: +=(CURRENT-SYMBOL) .(ADVANCE-TOKEN) <TokTail> +(#1 #1) ;
+
+TokTail: ?(AND (NULL \$BOOT) (EQ (CURRENT-SYMBOL) "\$)
+ (OR (ALPHA-CHAR-P (CURRENT-CHAR))
+ (CHAR-EQ (CURRENT-CHAR) '$')
+ (CHAR-EQ (CURRENT-CHAR) '\%')
+ (CHAR-EQ (CURRENT-CHAR) '(')))
+ .(SETQ $1 (COPY-TOKEN PRIOR-TOKEN)) Qualification
+ .(SETQ PRIOR-TOKEN $1) ;
+
+Qualification: '$' Primary1 +=(dollarTran #1 #1) ;
+
+SemiColon: ';' (Expr{82} / + \/throwAway) +(\; #2 #1) ;
+
+Return: 'return' Expression +(return #1) ;
+
+Exit: 'exit' (Expression / +\$NoValue) +(exit #1) ;
+
+Leave: 'leave' ( Expression / +\$NoValue )
+ ('from' Label +(leaveFrom #1 #1) / +(leave #1)) ;
+
+Seg: GliphTok{"\.\.} <Expression>! +(SEGMENT #2 #1) ;
+
+Conditional: 'if' Expression 'then' Expression <'else' ElseClause>!
+ +(if #3 #2 #1) ;
+
+ElseClause: ?(EQ (CURRENT-SYMBOL) "if) Conditional / Expression ;
+
+Loop: Iterator* 'repeat' Expr{110} +(REPEAT -#2 #1)
+ / 'repeat' Expr{110} +(REPEAT #1) ;
+
+Iterator: 'for' Primary 'in' Expression
+ ( 'by' Expr{200} +(INBY #3 #2 #1) / +(IN #2 #1) )
+ < '\|' Expr{111} +(\| #1) >
+ / 'while' Expr{190} +(WHILE #1)
+ / 'until' Expr{190} +(UNTIL #1) ;
+
+Expr{RBP}: NudPart{RBP} <LedPart{RBP}>* +#1;
+
+LabelExpr: Label Expr{120} +(LABEL #2 #1) ;
+
+Label: '<<' Name '>>' ;
+
+LedPart{RBP}: Operation{"Led RBP} +#1;
+
+NudPart{RBP}: (Operation{"Nud RBP} / Reduction / Form) +#1 ;
+
+Operation{ParseMode RBP}:
+ ^?(MATCH-CURRENT-TOKEN "IDENTIFIER)
+ ?(GETL (SETQ tmptok (CURRENT-SYMBOL)) ParseMode)
+ ?(LT RBP (PARSE-leftBindingPowerOf tmptok ParseMode))
+ .(SETQ RBP (PARSE-rightBindingPowerOf tmptok ParseMode))
+ getSemanticForm{tmptok ParseMode (ELEMN (GETL tmptok ParseMode) 5 NIL)} ;
+
+% Binding powers stored under the Led and Red properties of an operator
+% are set up by the file BOTTOMUP.LISP. The format for a Led property
+% is <Operator Left-Power Right-Power>, and the same for a Nud, except that
+% it may also have a fourth component <Special-Handler>. ELEMN attempts to
+% get the Nth indicator, counting from 1.
+
+leftBindingPowerOf{X IND}: =(LET ((Y (GETL X IND))) (IF Y (ELEMN Y 3 0) 0)) ;
+
+rightBindingPowerOf{X IND}: =(LET ((Y (GETL X IND))) (IF Y (ELEMN Y 4 105) 105)) ;
+
+getSemanticForm{X IND Y}:
+ ?(AND Y (EVAL Y)) / ?(EQ IND "Nud) Prefix / ?(EQ IND "Led) Infix ;
+
+
+Reduction: ReductionOp Expr{1000} +(Reduce #2 #1) ;
+
+ReductionOp: ?(AND (GETL (CURRENT-SYMBOL) "Led)
+ (MATCH-NEXT-TOKEN "SPECIAL-CHAR (CODE-CHAR 47))) % Forgive me!
+ +=(CURRENT-SYMBOL) .(ADVANCE-TOKEN) .(ADVANCE-TOKEN) ;
+
+Form: 'iterate' < 'from' Label +(#1) >! +(iterate -#1)
+ / 'yield' Application +(yield #1)
+ / Application ;
+
+Application: Primary <Selector>* <Application +(#2 #1)>;
+
+Selector: ?NONBLANK ?(EQ (CURRENT-SYMBOL) "\.) ?(CHAR-NE (CURRENT-CHAR) "\ )
+ '.' PrimaryNoFloat (=\$BOOT +(ELT #2 #1)/ +(#2 #1))
+ / (Float /'.' Primary) (=\$BOOT +(ELT #2 #1)/ +(#2 #1));
+
+PrimaryNoFloat: Primary1 <TokTail> ;
+
+Primary: Float /PrimaryNoFloat ;
+
+Primary1: VarForm <=(AND NONBLANK (EQ (CURRENT-SYMBOL) "\()) Primary1 +(#2 #1)>
+ /Quad
+ /String
+ /IntegerTok
+ /FormalParameter
+ /='\'' (?\$BOOT Data / '\'' Expr{999} +(QUOTE #1))
+ /Sequence
+ /Enclosure ;
+
+Float: FloatBase (?NONBLANK FloatExponent / +0) +=(MAKE-FLOAT #4 #2 #2 #1) ;
+
+FloatBase: ?(FIXP (CURRENT-SYMBOL)) ?(CHAR-EQ (CURRENT-CHAR) '.')
+ ?(CHAR-NE (NEXT-CHAR) '.')
+ IntegerTok FloatBasePart
+ /?(FIXP (CURRENT-SYMBOL)) ?(CHAR-EQ (CHAR-UPCASE (CURRENT-CHAR)) "E)
+ IntegerTok +0 +0
+ /?(DIGITP (CURRENT-CHAR)) ?(EQ (CURRENT-SYMBOL) "\.)
+ +0 FloatBasePart ;
+
+FloatBasePart: '.'
+ (?(DIGITP (CURRENT-CHAR)) +=(TOKEN-NONBLANK (CURRENT-TOKEN)) IntegerTok
+ / +0 +0);
+
+
+FloatExponent: =(AND (MEMBER (CURRENT-SYMBOL) "(E e))
+ (FIND (CURRENT-CHAR) '+-'))
+ .(ADVANCE-TOKEN)
+ (IntegerTok/'+' IntegerTok/'-' IntegerTok +=(MINUS #1)/+0)
+ /?(IDENTP (CURRENT-SYMBOL)) =(SETQ $1 (FLOATEXPID (CURRENT-SYMBOL)))
+ .(ADVANCE-TOKEN) +=$1 ;
+
+Enclosure: '(' ( Expr{6} ')' / ')' +(Tuple) )
+ / '{' ( Expr{6} '}' +(brace (construct #1)) / '}' +(brace)) ;
+
+IntegerTok: NUMBER ;
+
+FloatTok: NUMBER +=(IF \$BOOT #1 (BFP- #1)) ;
+
+FormalParameter: FormalParameterTok ;
+
+FormalParameterTok: ARGUMENT-DESIGNATOR ;
+
+Quad: '$' +\$ / ?\$BOOT GliphTok{"\.} +\. ;
+
+String: SPADSTRING ;
+
+VarForm: Name <Scripts +(Scripts #2 #1) > +#1 ;
+
+Scripts: ?NONBLANK '[' ScriptItem ']' ;
+
+ScriptItem: Expr{90} <(';' ScriptItem)* +(\; #2 -#1)>
+ / ';' ScriptItem +(PrefixSC #1) ;
+
+Name: IDENTIFIER +#1 ;
+
+Data: .(SETQ LABLASOC NIL) Sexpr +(QUOTE =(TRANSLABEL #1 LABLASOC)) ;
+
+Sexpr: .(ADVANCE-TOKEN) Sexpr1 ;
+
+Sexpr1: AnyId
+ < NBGliphTok{"\=} Sexpr1
+ .(SETQ LABLASOC (CONS (CONS #2 ##1) LABLASOC))>
+ / '\'' Sexpr1 +(QUOTE #1)
+ / IntegerTok
+ / '-' IntegerTok +=(MINUS #1)
+ / String
+ / '<' <Sexpr1*>! '>' +=(LIST2VEC #1)
+ / '(' <Sexpr1* <GliphTok{"\.} Sexpr1 +=(NCONC #2 #1)>>! ')' ;
+
+NBGliphTok{tok}: ?(AND (MATCH-CURRENT-TOKEN "GLIPH tok) NONBLANK)
+ .(ADVANCE-TOKEN) ;
+
+GliphTok{tok}: ?(MATCH-CURRENT-TOKEN "GLIPH tok) .(ADVANCE-TOKEN) ;
+
+AnyId: IDENTIFIER
+ / (='$' +=(CURRENT-SYMBOL) .(ADVANCE-TOKEN) / KEYWORD) ;
+
+Sequence: OpenBracket Sequence1 ']'
+ / OpenBrace Sequence1 '}' +(brace #1) ;
+
+Sequence1: (Expression +(#2 #1) / +(#1)) <IteratorTail +(COLLECT -#1 #1)> ;
+
+OpenBracket: =(EQ (getToken (SETQ $1 (CURRENT-SYMBOL))) "\[ )
+ (=(EQCAR $1 "elt) +(elt =(CADR $1) construct)
+ / +construct) .(ADVANCE-TOKEN) ;
+
+OpenBrace: =(EQ (getToken (SETQ $1 (CURRENT-SYMBOL))) "\{ )
+ (=(EQCAR $1 "elt) +(elt =(CADR $1) brace)
+ / +construct) .(ADVANCE-TOKEN) ;
+
+IteratorTail: ('repeat' <Iterator*>! / Iterator*) ;
+
+.FIN ;
+
+
+@
+\section{License}
+<<license>>=
+;; Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
+;; All rights reserved.
+;;
+;; Redistribution and use in source and binary forms, with or without
+;; modification, are permitted provided that the following conditions are
+;; met:
+;;
+;; - Redistributions of source code must retain the above copyright
+;; notice, this list of conditions and the following disclaimer.
+;;
+;; - Redistributions in binary form must reproduce the above copyright
+;; notice, this list of conditions and the following disclaimer in
+;; the documentation and/or other materials provided with the
+;; distribution.
+;;
+;; - Neither the name of The Numerical ALgorithms Group Ltd. nor the
+;; names of its contributors may be used to endorse or promote products
+;; derived from this software without specific prior written permission.
+;;
+;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+;; IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+;; TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+;; PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+;; OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+;; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+;; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+;; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+;; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+@
+<<*>>=
+<<license>>
+
+(IN-PACKAGE "BOOT" )
+
+
+(DEFPARAMETER |tmptok| NIL)
+(DEFPARAMETER TOK NIL)
+(DEFPARAMETER |ParseMode| NIL)
+(DEFPARAMETER DEFINITION_NAME NIL)
+(DEFPARAMETER LABLASOC NIL)
+
+
+(DEFUN |PARSE-NewExpr| ()
+ (OR (AND (MATCH-STRING ")") (ACTION (|processSynonyms|))
+ (MUST (|PARSE-Command|)))
+ (AND (ACTION (SETQ DEFINITION_NAME (CURRENT-SYMBOL)))
+ (|PARSE-Statement|))))
+
+
+(DEFUN |PARSE-Command| ()
+ (AND (MATCH-ADVANCE-STRING ")") (MUST (|PARSE-SpecialKeyWord|))
+ (MUST (|PARSE-SpecialCommand|))
+ (PUSH-REDUCTION '|PARSE-Command| NIL)))
+
+
+(DEFUN |PARSE-SpecialKeyWord| ()
+ (AND (MATCH-CURRENT-TOKEN 'IDENTIFIER)
+ (ACTION (SETF (TOKEN-SYMBOL (CURRENT-TOKEN))
+ (|unAbbreviateKeyword| (CURRENT-SYMBOL))))))
+
+
+(DEFUN |PARSE-SpecialCommand| ()
+ (OR (AND (MATCH-ADVANCE-STRING "show")
+ (BANG FIL_TEST
+ (OPTIONAL
+ (OR (MATCH-ADVANCE-STRING "?")
+ (|PARSE-Expression|))))
+ (PUSH-REDUCTION '|PARSE-SpecialCommand|
+ (CONS '|show| (CONS (POP-STACK-1) NIL)))
+ (MUST (|PARSE-CommandTail|)))
+ (AND (MEMBER (CURRENT-SYMBOL) |$noParseCommands|)
+ (ACTION (FUNCALL (CURRENT-SYMBOL))))
+ (AND (MEMBER (CURRENT-SYMBOL) |$tokenCommands|)
+ (|PARSE-TokenList|) (MUST (|PARSE-TokenCommandTail|)))
+ (AND (STAR REPEATOR (|PARSE-PrimaryOrQM|))
+ (MUST (|PARSE-CommandTail|)))))
+
+
+(DEFUN |PARSE-TokenList| ()
+ (STAR REPEATOR
+ (AND (NOT (|isTokenDelimiter|))
+ (PUSH-REDUCTION '|PARSE-TokenList| (CURRENT-SYMBOL))
+ (ACTION (ADVANCE-TOKEN)))))
+
+
+(DEFUN |PARSE-TokenCommandTail| ()
+ (AND (BANG FIL_TEST (OPTIONAL (STAR REPEATOR (|PARSE-TokenOption|))))
+ (|atEndOfLine|)
+ (PUSH-REDUCTION '|PARSE-TokenCommandTail|
+ (CONS (POP-STACK-2) (APPEND (POP-STACK-1) NIL)))
+ (ACTION (|systemCommand| (POP-STACK-1)))))
+
+
+(DEFUN |PARSE-TokenOption| ()
+ (AND (MATCH-ADVANCE-STRING ")") (MUST (|PARSE-TokenList|))))
+
+
+(DEFUN |PARSE-CommandTail| ()
+ (AND (BANG FIL_TEST (OPTIONAL (STAR REPEATOR (|PARSE-Option|))))
+ (|atEndOfLine|)
+ (PUSH-REDUCTION '|PARSE-CommandTail|
+ (CONS (POP-STACK-2) (APPEND (POP-STACK-1) NIL)))
+ (ACTION (|systemCommand| (POP-STACK-1)))))
+
+
+(DEFUN |PARSE-PrimaryOrQM| ()
+ (OR (AND (MATCH-ADVANCE-STRING "?")
+ (PUSH-REDUCTION '|PARSE-PrimaryOrQM| '?))
+ (|PARSE-Primary|)))
+
+
+(DEFUN |PARSE-Option| ()
+ (AND (MATCH-ADVANCE-STRING ")")
+ (MUST (STAR REPEATOR (|PARSE-PrimaryOrQM|)))))
+
+
+(DEFUN |PARSE-Statement| ()
+ (AND (|PARSE-Expr| 0)
+ (OPTIONAL
+ (AND (STAR REPEATOR
+ (AND (MATCH-ADVANCE-STRING ",")
+ (MUST (|PARSE-Expr| 0))))
+ (PUSH-REDUCTION '|PARSE-Statement|
+ (CONS '|Series|
+ (CONS (POP-STACK-2)
+ (APPEND (POP-STACK-1) NIL))))))))
+
+
+(DEFUN |PARSE-InfixWith| ()
+ (AND (|PARSE-With|)
+ (PUSH-REDUCTION '|PARSE-InfixWith|
+ (CONS '|Join| (CONS (POP-STACK-2) (CONS (POP-STACK-1) NIL))))))
+
+
+(DEFUN |PARSE-With| ()
+ (AND (MATCH-ADVANCE-STRING "with") (MUST (|PARSE-Category|))
+ (PUSH-REDUCTION '|PARSE-With|
+ (CONS '|with| (CONS (POP-STACK-1) NIL)))))
+
+
+(DEFUN |PARSE-Category| ()
+ (PROG (G1)
+ (RETURN
+ (OR (AND (MATCH-ADVANCE-STRING "if") (MUST (|PARSE-Expression|))
+ (MUST (MATCH-ADVANCE-STRING "then"))
+ (MUST (|PARSE-Category|))
+ (BANG FIL_TEST
+ (OPTIONAL
+ (AND (MATCH-ADVANCE-STRING "else")
+ (MUST (|PARSE-Category|)))))
+ (PUSH-REDUCTION '|PARSE-Category|
+ (CONS '|if|
+ (CONS (POP-STACK-3)
+ (CONS (POP-STACK-2)
+ (CONS (POP-STACK-1) NIL))))))
+ (AND (MATCH-ADVANCE-STRING "(") (MUST (|PARSE-Category|))
+ (BANG FIL_TEST
+ (OPTIONAL
+ (STAR REPEATOR
+ (AND (MATCH-ADVANCE-STRING ";")
+ (MUST (|PARSE-Category|))))))
+ (MUST (MATCH-ADVANCE-STRING ")"))
+ (PUSH-REDUCTION '|PARSE-Category|
+ (CONS 'CATEGORY
+ (CONS (POP-STACK-2)
+ (APPEND (POP-STACK-1) NIL)))))
+ (AND (ACTION (SETQ G1 (LINE-NUMBER CURRENT-LINE)))
+ (|PARSE-Application|)
+ (MUST (OR (AND (MATCH-ADVANCE-STRING ":")
+ (MUST (|PARSE-Expression|))
+ (PUSH-REDUCTION '|PARSE-Category|
+ (CONS '|Signature|
+ (CONS (POP-STACK-2)
+ (CONS (POP-STACK-1) NIL))))
+ (ACTION (|recordSignatureDocumentation|
+ (NTH-STACK 1) G1)))
+ (AND (PUSH-REDUCTION '|PARSE-Category|
+ (CONS '|Attribute|
+ (CONS (POP-STACK-1) NIL)))
+ (ACTION (|recordAttributeDocumentation|
+ (NTH-STACK 1) G1))))))))))
+
+
+(DEFUN |PARSE-Expression| ()
+ (AND (|PARSE-Expr|
+ (|PARSE-rightBindingPowerOf| (MAKE-SYMBOL-OF PRIOR-TOKEN)
+ |ParseMode|))
+ (PUSH-REDUCTION '|PARSE-Expression| (POP-STACK-1))))
+
+
+(DEFUN |PARSE-Import| ()
+ (AND (MATCH-ADVANCE-STRING "import") (MUST (|PARSE-Expr| 1000))
+ (BANG FIL_TEST
+ (OPTIONAL
+ (STAR REPEATOR
+ (AND (MATCH-ADVANCE-STRING ",")
+ (MUST (|PARSE-Expr| 1000))))))
+ (PUSH-REDUCTION '|PARSE-Import|
+ (CONS '|import|
+ (CONS (POP-STACK-2) (APPEND (POP-STACK-1) NIL))))))
+
+
+(DEFUN |PARSE-Infix| ()
+ (AND (PUSH-REDUCTION '|PARSE-Infix| (CURRENT-SYMBOL))
+ (ACTION (ADVANCE-TOKEN)) (OPTIONAL (|PARSE-TokTail|))
+ (MUST (|PARSE-Expression|))
+ (PUSH-REDUCTION '|PARSE-Infix|
+ (CONS (POP-STACK-2)
+ (CONS (POP-STACK-2) (CONS (POP-STACK-1) NIL))))))
+
+
+(DEFUN |PARSE-Prefix| ()
+ (AND (PUSH-REDUCTION '|PARSE-Prefix| (CURRENT-SYMBOL))
+ (ACTION (ADVANCE-TOKEN)) (OPTIONAL (|PARSE-TokTail|))
+ (MUST (|PARSE-Expression|))
+ (PUSH-REDUCTION '|PARSE-Prefix|
+ (CONS (POP-STACK-2) (CONS (POP-STACK-1) NIL)))))
+
+
+(DEFUN |PARSE-Suffix| ()
+ (AND (PUSH-REDUCTION '|PARSE-Suffix| (CURRENT-SYMBOL))
+ (ACTION (ADVANCE-TOKEN)) (OPTIONAL (|PARSE-TokTail|))
+ (PUSH-REDUCTION '|PARSE-Suffix|
+ (CONS (POP-STACK-1) (CONS (POP-STACK-1) NIL)))))
+
+
+(DEFUN |PARSE-TokTail| ()
+ (PROG (G1)
+ (RETURN
+ (AND (NULL $BOOT) (EQ (CURRENT-SYMBOL) '$)
+ (OR (ALPHA-CHAR-P (CURRENT-CHAR))
+ (CHAR-EQ (CURRENT-CHAR) "$")
+ (CHAR-EQ (CURRENT-CHAR) "%")
+ (CHAR-EQ (CURRENT-CHAR) "("))
+ (ACTION (SETQ G1 (COPY-TOKEN PRIOR-TOKEN)))
+ (|PARSE-Qualification|) (ACTION (SETQ PRIOR-TOKEN G1))))))
+
+
+(DEFUN |PARSE-Qualification| ()
+ (AND (MATCH-ADVANCE-STRING "$") (MUST (|PARSE-Primary1|))
+ (PUSH-REDUCTION '|PARSE-Qualification|
+ (|dollarTran| (POP-STACK-1) (POP-STACK-1)))))
+
+
+(DEFUN |PARSE-SemiColon| ()
+ (AND (MATCH-ADVANCE-STRING ";")
+ (MUST (OR (|PARSE-Expr| 82)
+ (PUSH-REDUCTION '|PARSE-SemiColon| '|/throwAway|)))
+ (PUSH-REDUCTION '|PARSE-SemiColon|
+ (CONS '|;| (CONS (POP-STACK-2) (CONS (POP-STACK-1) NIL))))))
+
+
+(DEFUN |PARSE-Return| ()
+ (AND (MATCH-ADVANCE-STRING "return") (MUST (|PARSE-Expression|))
+ (PUSH-REDUCTION '|PARSE-Return|
+ (CONS '|return| (CONS (POP-STACK-1) NIL)))))
+
+
+(DEFUN |PARSE-Exit| ()
+ (AND (MATCH-ADVANCE-STRING "exit")
+ (MUST (OR (|PARSE-Expression|)
+ (PUSH-REDUCTION '|PARSE-Exit| '|$NoValue|)))
+ (PUSH-REDUCTION '|PARSE-Exit|
+ (CONS '|exit| (CONS (POP-STACK-1) NIL)))))
+
+
+(DEFUN |PARSE-Leave| ()
+ (AND (MATCH-ADVANCE-STRING "leave")
+ (MUST (OR (|PARSE-Expression|)
+ (PUSH-REDUCTION '|PARSE-Leave| '|$NoValue|)))
+ (MUST (OR (AND (MATCH-ADVANCE-STRING "from")
+ (MUST (|PARSE-Label|))
+ (PUSH-REDUCTION '|PARSE-Leave|
+ (CONS '|leaveFrom|
+ (CONS (POP-STACK-1)
+ (CONS (POP-STACK-1) NIL)))))
+ (PUSH-REDUCTION '|PARSE-Leave|
+ (CONS '|leave| (CONS (POP-STACK-1) NIL)))))))
+
+
+(DEFUN |PARSE-Seg| ()
+ (AND (|PARSE-GliphTok| '|..|)
+ (BANG FIL_TEST (OPTIONAL (|PARSE-Expression|)))
+ (PUSH-REDUCTION '|PARSE-Seg|
+ (CONS 'SEGMENT
+ (CONS (POP-STACK-2) (CONS (POP-STACK-1) NIL))))))
+
+
+(DEFUN |PARSE-Conditional| ()
+ (AND (MATCH-ADVANCE-STRING "if") (MUST (|PARSE-Expression|))
+ (MUST (MATCH-ADVANCE-STRING "then")) (MUST (|PARSE-Expression|))
+ (BANG FIL_TEST
+ (OPTIONAL
+ (AND (MATCH-ADVANCE-STRING "else")
+ (MUST (|PARSE-ElseClause|)))))
+ (PUSH-REDUCTION '|PARSE-Conditional|
+ (CONS '|if|
+ (CONS (POP-STACK-3)
+ (CONS (POP-STACK-2) (CONS (POP-STACK-1) NIL)))))))
+
+
+(DEFUN |PARSE-ElseClause| ()
+ (OR (AND (EQ (CURRENT-SYMBOL) '|if|) (|PARSE-Conditional|))
+ (|PARSE-Expression|)))
+
+
+(DEFUN |PARSE-Loop| ()
+ (OR (AND (STAR REPEATOR (|PARSE-Iterator|))
+ (MUST (MATCH-ADVANCE-STRING "repeat"))
+ (MUST (|PARSE-Expr| 110))
+ (PUSH-REDUCTION '|PARSE-Loop|
+ (CONS 'REPEAT
+ (APPEND (POP-STACK-2) (CONS (POP-STACK-1) NIL)))))
+ (AND (MATCH-ADVANCE-STRING "repeat") (MUST (|PARSE-Expr| 110))
+ (PUSH-REDUCTION '|PARSE-Loop|
+ (CONS 'REPEAT (CONS (POP-STACK-1) NIL))))))
+
+
+(DEFUN |PARSE-Iterator| ()
+ (OR (AND (MATCH-ADVANCE-STRING "for") (MUST (|PARSE-Primary|))
+ (MUST (MATCH-ADVANCE-STRING "in"))
+ (MUST (|PARSE-Expression|))
+ (MUST (OR (AND (MATCH-ADVANCE-STRING "by")
+ (MUST (|PARSE-Expr| 200))
+ (PUSH-REDUCTION '|PARSE-Iterator|
+ (CONS 'INBY
+ (CONS (POP-STACK-3)
+ (CONS (POP-STACK-2)
+ (CONS (POP-STACK-1) NIL))))))
+ (PUSH-REDUCTION '|PARSE-Iterator|
+ (CONS 'IN
+ (CONS (POP-STACK-2)
+ (CONS (POP-STACK-1) NIL))))))
+ (OPTIONAL
+ (AND (MATCH-ADVANCE-STRING "|")
+ (MUST (|PARSE-Expr| 111))
+ (PUSH-REDUCTION '|PARSE-Iterator|
+ (CONS '|\|| (CONS (POP-STACK-1) NIL))))))
+ (AND (MATCH-ADVANCE-STRING "while") (MUST (|PARSE-Expr| 190))
+ (PUSH-REDUCTION '|PARSE-Iterator|
+ (CONS 'WHILE (CONS (POP-STACK-1) NIL))))
+ (AND (MATCH-ADVANCE-STRING "until") (MUST (|PARSE-Expr| 190))
+ (PUSH-REDUCTION '|PARSE-Iterator|
+ (CONS 'UNTIL (CONS (POP-STACK-1) NIL))))))
+
+
+(DEFUN |PARSE-Expr| (RBP)
+ (DECLARE (SPECIAL RBP))
+ (AND (|PARSE-NudPart| RBP)
+ (OPTIONAL (STAR OPT_EXPR (|PARSE-LedPart| RBP)))
+ (PUSH-REDUCTION '|PARSE-Expr| (POP-STACK-1))))
+
+
+(DEFUN |PARSE-LabelExpr| ()
+ (AND (|PARSE-Label|) (MUST (|PARSE-Expr| 120))
+ (PUSH-REDUCTION '|PARSE-LabelExpr|
+ (CONS 'LABEL (CONS (POP-STACK-2) (CONS (POP-STACK-1) NIL))))))
+
+
+(DEFUN |PARSE-Label| ()
+ (AND (MATCH-ADVANCE-STRING "<<") (MUST (|PARSE-Name|))
+ (MUST (MATCH-ADVANCE-STRING ">>"))))
+
+
+(DEFUN |PARSE-LedPart| (RBP)
+ (DECLARE (SPECIAL RBP))
+ (AND (|PARSE-Operation| '|Led| RBP)
+ (PUSH-REDUCTION '|PARSE-LedPart| (POP-STACK-1))))
+
+
+(DEFUN |PARSE-NudPart| (RBP)
+ (DECLARE (SPECIAL RBP))
+ (AND (OR (|PARSE-Operation| '|Nud| RBP) (|PARSE-Reduction|)
+ (|PARSE-Form|))
+ (PUSH-REDUCTION '|PARSE-NudPart| (POP-STACK-1))))
+
+
+(DEFUN |PARSE-Operation| (|ParseMode| RBP)
+ (DECLARE (SPECIAL |ParseMode| RBP))
+ (AND (NOT (MATCH-CURRENT-TOKEN 'IDENTIFIER))
+ (GETL (SETQ |tmptok| (CURRENT-SYMBOL)) |ParseMode|)
+ (LT RBP (|PARSE-leftBindingPowerOf| |tmptok| |ParseMode|))
+ (ACTION (SETQ RBP
+ (|PARSE-rightBindingPowerOf| |tmptok| |ParseMode|)))
+ (|PARSE-getSemanticForm| |tmptok| |ParseMode|
+ (ELEMN (GETL |tmptok| |ParseMode|) 5 NIL))))
+
+
+(DEFUN |PARSE-leftBindingPowerOf| (X IND)
+ (DECLARE (SPECIAL X IND))
+ (LET ((Y (GETL X IND))) (IF Y (ELEMN Y 3 0) 0)))
+
+
+(DEFUN |PARSE-rightBindingPowerOf| (X IND)
+ (DECLARE (SPECIAL X IND))
+ (LET ((Y (GETL X IND))) (IF Y (ELEMN Y 4 105) 105)))
+
+
+(DEFUN |PARSE-getSemanticForm| (X IND Y)
+ (DECLARE (SPECIAL X IND Y))
+ (OR (AND Y (EVAL Y)) (AND (EQ IND '|Nud|) (|PARSE-Prefix|))
+ (AND (EQ IND '|Led|) (|PARSE-Infix|))))
+
+
+(DEFUN |PARSE-Reduction| ()
+ (AND (|PARSE-ReductionOp|) (MUST (|PARSE-Expr| 1000))
+ (PUSH-REDUCTION '|PARSE-Reduction|
+ (CONS '|Reduce|
+ (CONS (POP-STACK-2) (CONS (POP-STACK-1) NIL))))))
+
+
+(DEFUN |PARSE-ReductionOp| ()
+ (AND (GETL (CURRENT-SYMBOL) '|Led|)
+ (MATCH-NEXT-TOKEN 'SPECIAL-CHAR (CODE-CHAR 47))
+ (PUSH-REDUCTION '|PARSE-ReductionOp| (CURRENT-SYMBOL))
+ (ACTION (ADVANCE-TOKEN)) (ACTION (ADVANCE-TOKEN))))
+
+
+(DEFUN |PARSE-Form| ()
+ (OR (AND (MATCH-ADVANCE-STRING "iterate")
+ (BANG FIL_TEST
+ (OPTIONAL
+ (AND (MATCH-ADVANCE-STRING "from")
+ (MUST (|PARSE-Label|))
+ (PUSH-REDUCTION '|PARSE-Form|
+ (CONS (POP-STACK-1) NIL)))))
+ (PUSH-REDUCTION '|PARSE-Form|
+ (CONS '|iterate| (APPEND (POP-STACK-1) NIL))))
+ (AND (MATCH-ADVANCE-STRING "yield") (MUST (|PARSE-Application|))
+ (PUSH-REDUCTION '|PARSE-Form|
+ (CONS '|yield| (CONS (POP-STACK-1) NIL))))
+ (|PARSE-Application|)))
+
+
+(DEFUN |PARSE-Application| ()
+ (AND (|PARSE-Primary|) (OPTIONAL (STAR OPT_EXPR (|PARSE-Selector|)))
+ (OPTIONAL
+ (AND (|PARSE-Application|)
+ (PUSH-REDUCTION '|PARSE-Application|
+ (CONS (POP-STACK-2) (CONS (POP-STACK-1) NIL)))))))
+
+
+(DEFUN |PARSE-Selector| ()
+ (OR (AND NONBLANK (EQ (CURRENT-SYMBOL) '|.|)
+ (CHAR-NE (CURRENT-CHAR) '| |) (MATCH-ADVANCE-STRING ".")
+ (MUST (|PARSE-PrimaryNoFloat|))
+ (MUST (OR (AND $BOOT
+ (PUSH-REDUCTION '|PARSE-Selector|
+ (CONS 'ELT
+ (CONS (POP-STACK-2)
+ (CONS (POP-STACK-1) NIL)))))
+ (PUSH-REDUCTION '|PARSE-Selector|
+ (CONS (POP-STACK-2) (CONS (POP-STACK-1) NIL))))))
+ (AND (OR (|PARSE-Float|)
+ (AND (MATCH-ADVANCE-STRING ".")
+ (MUST (|PARSE-Primary|))))
+ (MUST (OR (AND $BOOT
+ (PUSH-REDUCTION '|PARSE-Selector|
+ (CONS 'ELT
+ (CONS (POP-STACK-2)
+ (CONS (POP-STACK-1) NIL)))))
+ (PUSH-REDUCTION '|PARSE-Selector|
+ (CONS (POP-STACK-2) (CONS (POP-STACK-1) NIL))))))))
+
+
+(DEFUN |PARSE-PrimaryNoFloat| ()
+ (AND (|PARSE-Primary1|) (OPTIONAL (|PARSE-TokTail|))))
+
+
+(DEFUN |PARSE-Primary| ()
+ (OR (|PARSE-Float|) (|PARSE-PrimaryNoFloat|)))
+
+
+(DEFUN |PARSE-Primary1| ()
+ (OR (AND (|PARSE-VarForm|)
+ (OPTIONAL
+ (AND NONBLANK (EQ (CURRENT-SYMBOL) '|(|)
+ (MUST (|PARSE-Primary1|))
+ (PUSH-REDUCTION '|PARSE-Primary1|
+ (CONS (POP-STACK-2) (CONS (POP-STACK-1) NIL))))))
+ (|PARSE-Quad|) (|PARSE-String|) (|PARSE-IntegerTok|)
+ (|PARSE-FormalParameter|)
+ (AND (MATCH-STRING "'")
+ (MUST (OR (AND $BOOT (|PARSE-Data|))
+ (AND (MATCH-ADVANCE-STRING "'")
+ (MUST (|PARSE-Expr| 999))
+ (PUSH-REDUCTION '|PARSE-Primary1|
+ (CONS 'QUOTE (CONS (POP-STACK-1) NIL)))))))
+ (|PARSE-Sequence|) (|PARSE-Enclosure|)))
+
+
+(DEFUN |PARSE-Float| ()
+ (AND (|PARSE-FloatBase|)
+ (MUST (OR (AND NONBLANK (|PARSE-FloatExponent|))
+ (PUSH-REDUCTION '|PARSE-Float| 0)))
+ (PUSH-REDUCTION '|PARSE-Float|
+ (MAKE-FLOAT (POP-STACK-4) (POP-STACK-2) (POP-STACK-2)
+ (POP-STACK-1)))))
+
+
+(DEFUN |PARSE-FloatBase| ()
+ (OR (AND (FIXP (CURRENT-SYMBOL)) (CHAR-EQ (CURRENT-CHAR) ".")
+ (CHAR-NE (NEXT-CHAR) ".") (|PARSE-IntegerTok|)
+ (MUST (|PARSE-FloatBasePart|)))
+ (AND (FIXP (CURRENT-SYMBOL))
+ (CHAR-EQ (CHAR-UPCASE (CURRENT-CHAR)) 'E)
+ (|PARSE-IntegerTok|) (PUSH-REDUCTION '|PARSE-FloatBase| 0)
+ (PUSH-REDUCTION '|PARSE-FloatBase| 0))
+ (AND (DIGITP (CURRENT-CHAR)) (EQ (CURRENT-SYMBOL) '|.|)
+ (PUSH-REDUCTION '|PARSE-FloatBase| 0)
+ (|PARSE-FloatBasePart|))))
+
+
+(DEFUN |PARSE-FloatBasePart| ()
+ (AND (MATCH-ADVANCE-STRING ".")
+ (MUST (OR (AND (DIGITP (CURRENT-CHAR))
+ (PUSH-REDUCTION '|PARSE-FloatBasePart|
+ (TOKEN-NONBLANK (CURRENT-TOKEN)))
+ (|PARSE-IntegerTok|))
+ (AND (PUSH-REDUCTION '|PARSE-FloatBasePart| 0)
+ (PUSH-REDUCTION '|PARSE-FloatBasePart| 0))))))
+
+
+(DEFUN |PARSE-FloatExponent| ()
+ (PROG (G1)
+ (RETURN
+ (OR (AND (MEMBER (CURRENT-SYMBOL) '(E |e|))
+ (FIND (CURRENT-CHAR) "+-") (ACTION (ADVANCE-TOKEN))
+ (MUST (OR (|PARSE-IntegerTok|)
+ (AND (MATCH-ADVANCE-STRING "+")
+ (MUST (|PARSE-IntegerTok|)))
+ (AND (MATCH-ADVANCE-STRING "-")
+ (MUST (|PARSE-IntegerTok|))
+ (PUSH-REDUCTION '|PARSE-FloatExponent|
+ (MINUS (POP-STACK-1))))
+ (PUSH-REDUCTION '|PARSE-FloatExponent| 0))))
+ (AND (IDENTP (CURRENT-SYMBOL))
+ (SETQ G1 (FLOATEXPID (CURRENT-SYMBOL)))
+ (ACTION (ADVANCE-TOKEN))
+ (PUSH-REDUCTION '|PARSE-FloatExponent| G1))))))
+
+
+(DEFUN |PARSE-Enclosure| ()
+ (OR (AND (MATCH-ADVANCE-STRING "(")
+ (MUST (OR (AND (|PARSE-Expr| 6)
+ (MUST (MATCH-ADVANCE-STRING ")")))
+ (AND (MATCH-ADVANCE-STRING ")")
+ (PUSH-REDUCTION '|PARSE-Enclosure|
+ (CONS '|Tuple| NIL))))))
+ (AND (MATCH-ADVANCE-STRING "{")
+ (MUST (OR (AND (|PARSE-Expr| 6)
+ (MUST (MATCH-ADVANCE-STRING "}"))
+ (PUSH-REDUCTION '|PARSE-Enclosure|
+ (CONS '|brace|
+ (CONS
+ (CONS '|construct|
+ (CONS (POP-STACK-1) NIL))
+ NIL))))
+ (AND (MATCH-ADVANCE-STRING "}")
+ (PUSH-REDUCTION '|PARSE-Enclosure|
+ (CONS '|brace| NIL))))))))
+
+
+(DEFUN |PARSE-IntegerTok| () (PARSE-NUMBER))
+
+
+(DEFUN |PARSE-FloatTok| ()
+ (AND (PARSE-NUMBER)
+ (PUSH-REDUCTION '|PARSE-FloatTok|
+ (IF $BOOT (POP-STACK-1) (BFP- (POP-STACK-1))))))
+
+
+(DEFUN |PARSE-FormalParameter| () (|PARSE-FormalParameterTok|))
+
+
+(DEFUN |PARSE-FormalParameterTok| () (PARSE-ARGUMENT-DESIGNATOR))
+
+
+(DEFUN |PARSE-Quad| ()
+ (OR (AND (MATCH-ADVANCE-STRING "$")
+ (PUSH-REDUCTION '|PARSE-Quad| '$))
+ (AND $BOOT (|PARSE-GliphTok| '|.|)
+ (PUSH-REDUCTION '|PARSE-Quad| '|.|))))
+
+
+(DEFUN |PARSE-String| () (PARSE-SPADSTRING))
+
+
+(DEFUN |PARSE-VarForm| ()
+ (AND (|PARSE-Name|)
+ (OPTIONAL
+ (AND (|PARSE-Scripts|)
+ (PUSH-REDUCTION '|PARSE-VarForm|
+ (CONS '|Scripts|
+ (CONS (POP-STACK-2) (CONS (POP-STACK-1) NIL))))))
+ (PUSH-REDUCTION '|PARSE-VarForm| (POP-STACK-1))))
+
+
+(DEFUN |PARSE-Scripts| ()
+ (AND NONBLANK (MATCH-ADVANCE-STRING "[") (MUST (|PARSE-ScriptItem|))
+ (MUST (MATCH-ADVANCE-STRING "]"))))
+
+
+(DEFUN |PARSE-ScriptItem| ()
+ (OR (AND (|PARSE-Expr| 90)
+ (OPTIONAL
+ (AND (STAR REPEATOR
+ (AND (MATCH-ADVANCE-STRING ";")
+ (MUST (|PARSE-ScriptItem|))))
+ (PUSH-REDUCTION '|PARSE-ScriptItem|
+ (CONS '|;|
+ (CONS (POP-STACK-2)
+ (APPEND (POP-STACK-1) NIL)))))))
+ (AND (MATCH-ADVANCE-STRING ";") (MUST (|PARSE-ScriptItem|))
+ (PUSH-REDUCTION '|PARSE-ScriptItem|
+ (CONS '|PrefixSC| (CONS (POP-STACK-1) NIL))))))
+
+
+(DEFUN |PARSE-Name| ()
+ (AND (PARSE-IDENTIFIER) (PUSH-REDUCTION '|PARSE-Name| (POP-STACK-1))))
+
+
+(DEFUN |PARSE-Data| ()
+ (AND (ACTION (SETQ LABLASOC NIL)) (|PARSE-Sexpr|)
+ (PUSH-REDUCTION '|PARSE-Data|
+ (CONS 'QUOTE (CONS (TRANSLABEL (POP-STACK-1) LABLASOC) NIL)))))
+
+
+(DEFUN |PARSE-Sexpr| ()
+ (AND (ACTION (ADVANCE-TOKEN)) (|PARSE-Sexpr1|)))
+
+
+(DEFUN |PARSE-Sexpr1| ()
+ (OR (AND (|PARSE-AnyId|)
+ (OPTIONAL
+ (AND (|PARSE-NBGliphTok| '=) (MUST (|PARSE-Sexpr1|))
+ (ACTION (SETQ LABLASOC
+ (CONS (CONS (POP-STACK-2)
+ (NTH-STACK 1))
+ LABLASOC))))))
+ (AND (MATCH-ADVANCE-STRING "'") (MUST (|PARSE-Sexpr1|))
+ (PUSH-REDUCTION '|PARSE-Sexpr1|
+ (CONS 'QUOTE (CONS (POP-STACK-1) NIL))))
+ (|PARSE-IntegerTok|)
+ (AND (MATCH-ADVANCE-STRING "-") (MUST (|PARSE-IntegerTok|))
+ (PUSH-REDUCTION '|PARSE-Sexpr1| (MINUS (POP-STACK-1))))
+ (|PARSE-String|)
+ (AND (MATCH-ADVANCE-STRING "<")
+ (BANG FIL_TEST (OPTIONAL (STAR REPEATOR (|PARSE-Sexpr1|))))
+ (MUST (MATCH-ADVANCE-STRING ">"))
+ (PUSH-REDUCTION '|PARSE-Sexpr1| (LIST2VEC (POP-STACK-1))))
+ (AND (MATCH-ADVANCE-STRING "(")
+ (BANG FIL_TEST
+ (OPTIONAL
+ (AND (STAR REPEATOR (|PARSE-Sexpr1|))
+ (OPTIONAL
+ (AND (|PARSE-GliphTok| '|.|)
+ (MUST (|PARSE-Sexpr1|))
+ (PUSH-REDUCTION '|PARSE-Sexpr1|
+ (NCONC (POP-STACK-2) (POP-STACK-1))))))))
+ (MUST (MATCH-ADVANCE-STRING ")")))))
+
+
+(DEFUN |PARSE-NBGliphTok| (|tok|)
+ (DECLARE (SPECIAL |tok|))
+ (AND (MATCH-CURRENT-TOKEN 'GLIPH |tok|) NONBLANK
+ (ACTION (ADVANCE-TOKEN))))
+
+
+(DEFUN |PARSE-GliphTok| (|tok|)
+ (DECLARE (SPECIAL |tok|))
+ (AND (MATCH-CURRENT-TOKEN 'GLIPH |tok|) (ACTION (ADVANCE-TOKEN))))
+
+
+(DEFUN |PARSE-AnyId| ()
+ (OR (PARSE-IDENTIFIER)
+ (OR (AND (MATCH-STRING "$")
+ (PUSH-REDUCTION '|PARSE-AnyId| (CURRENT-SYMBOL))
+ (ACTION (ADVANCE-TOKEN)))
+ (PARSE-KEYWORD))))
+
+
+(DEFUN |PARSE-Sequence| ()
+ (OR (AND (|PARSE-OpenBracket|) (MUST (|PARSE-Sequence1|))
+ (MUST (MATCH-ADVANCE-STRING "]")))
+ (AND (|PARSE-OpenBrace|) (MUST (|PARSE-Sequence1|))
+ (MUST (MATCH-ADVANCE-STRING "}"))
+ (PUSH-REDUCTION '|PARSE-Sequence|
+ (CONS '|brace| (CONS (POP-STACK-1) NIL))))))
+
+
+(DEFUN |PARSE-Sequence1| ()
+ (AND (OR (AND (|PARSE-Expression|)
+ (PUSH-REDUCTION '|PARSE-Sequence1|
+ (CONS (POP-STACK-2) (CONS (POP-STACK-1) NIL))))
+ (PUSH-REDUCTION '|PARSE-Sequence1| (CONS (POP-STACK-1) NIL)))
+ (OPTIONAL
+ (AND (|PARSE-IteratorTail|)
+ (PUSH-REDUCTION '|PARSE-Sequence1|
+ (CONS 'COLLECT
+ (APPEND (POP-STACK-1)
+ (CONS (POP-STACK-1) NIL))))))))
+
+
+(DEFUN |PARSE-OpenBracket| ()
+ (PROG (G1)
+ (RETURN
+ (AND (EQ (|getToken| (SETQ G1 (CURRENT-SYMBOL))) '[)
+ (MUST (OR (AND (EQCAR G1 '|elt|)
+ (PUSH-REDUCTION '|PARSE-OpenBracket|
+ (CONS '|elt|
+ (CONS (CADR G1)
+ (CONS '|construct| NIL)))))
+ (PUSH-REDUCTION '|PARSE-OpenBracket| '|construct|)))
+ (ACTION (ADVANCE-TOKEN))))))
+
+
+(DEFUN |PARSE-OpenBrace| ()
+ (PROG (G1)
+ (RETURN
+ (AND (EQ (|getToken| (SETQ G1 (CURRENT-SYMBOL))) '{)
+ (MUST (OR (AND (EQCAR G1 '|elt|)
+ (PUSH-REDUCTION '|PARSE-OpenBrace|
+ (CONS '|elt|
+ (CONS (CADR G1)
+ (CONS '|brace| NIL)))))
+ (PUSH-REDUCTION '|PARSE-OpenBrace| '|construct|)))
+ (ACTION (ADVANCE-TOKEN))))))
+
+
+(DEFUN |PARSE-IteratorTail| ()
+ (OR (AND (MATCH-ADVANCE-STRING "repeat")
+ (BANG FIL_TEST
+ (OPTIONAL (STAR REPEATOR (|PARSE-Iterator|)))))
+ (STAR REPEATOR (|PARSE-Iterator|))))
+
+@
+\eject
+\begin{thebibliography}{99}
+\bibitem{1} nothing
+\end{thebibliography}
+\end{document}