%% %% This is file `lisp.sty'. %% %% License: Modified BSD - see LICENSE file %% %% input buffer and read function %%=========================================== %% Macros for Input Programs %%=========================================== %%=========================================== %% Public Field %%=========================================== %% \setinputbuffer : Set the input \def\setinputbuffer#1{\gdef\@read@buffer{#1}} %% \readchar : Read a letter from the input \def\readchar{% \ifx\@eof\@read@buffer \gdef\@currentread{\@@eof}% \else \expandafter\@car@buffer\@read@buffer\relax \fi} %% \unreadchar : Unread a letter from the input \def\unreadchar{% \ifx\@eof\@currentread\else \expandafter\@unreadchar\@currentread \gdef\@currentread{}\fi} %%=========================================== %% Private Field %%=========================================== \def\@dummy{\@@dummy} \def\@read@buffer{} % The input \def\@currentread{} % The front letter \def\@eof{\@@eof} % EOF \def\@car@buffer#1#2\relax{\gdef\@currentread{#1}\gdef\@read@buffer{#2}} \def\@unreadchar#1{% \expandafter\gdef \expandafter\@read@buffer \expandafter{\expandafter#1\@read@buffer}} %% assoc \cs -> value % constructor \def\makeassoc#1{\def#1{}} % add member \def\addassoc#1#2#3{%#1(assoc),#2(\cs),#3(value) \gdef\@temp@add{#3}% \expandafter\expandafter\expandafter\gdef\expandafter\expandafter \expandafter#1\expandafter\expandafter\expandafter{% \expandafter\expandafter\expandafter#2\expandafter\expandafter\expandafter{\expandafter\@temp@add\expandafter}#1}} % remove member. It cause error if there is no member \def\rmassoc#1#2{% #1(assoc), #2(\cs) \def\@rmassoc##1#2##2##3\relax{##1##3}% \expandafter\expandafter\expandafter\gdef\expandafter\expandafter\expandafter#1\expandafter\expandafter\expandafter{\expandafter\@rmassoc#1\relax}} % exist? \def\ifmemassoc#1#2{% \expandafter\@ifmemassoc\expandafter#2#1\relax} \def\@ifmemassoc#1#2\relax{\ifx\@dummy#2\@dummy\let\@next\@iffalse\else\def\@next{\@@ifmemassoc#1#2\relax}\fi\@next} \def\@@ifmemassoc#1#2#3#4\relax{% \begingroup\def#1{\@@target}% \ifx#1#2\endgroup\let\@next\@iftrue\else\endgroup\def\@next{\@ifmemassoc#1#4\relax}\fi\@next} \def\@iffalse{\iffalse} \def\@iftrue{\iftrue} % get It cause error if there is no member \def\getassoc#1#2#3{% \def\@getassoc##1#2##2##3\relax{\gdef#3{##2}\relax}\expandafter\@getassoc#1\relax} % show \def\showassoc#1{\expandafter\@showassoc#1\relax} \def\@showassoc#1\relax{\ifx\@dummy#1\@dummy \let\@next\relax\else\def\@next{\@@showassoc#1\relax}\fi\@next} \def\@@showassoc#1#2#3\relax{\string#1:#2,\ifx\@dummy#3\@dummy\else \@showassoc#3\relax\fi} % interface \def\@lisp@empty{} \def\lispinterp#1{\begingroup% \gdef\@read@buffer{#1\@@eof\@@eof}\@lispinterp} \def\@lispinterp{% \readchar \ifx\@currentread\@eof \def\@next{\endgroup}% \else \def\@next{% \unreadchar \@lispread\@lisp@input \lispeval\@lisp@input\@lisp@result \@lispinterp}\fi \@next} % eval %% write buffer \gdef\@temp@write@buffer{} \def\@add@to@write@buffer#1#2{% \expandafter\gdef\expandafter#1\expandafter{#1#2}} %% global environment \makeassoc\@globalenv % implemeted functions % CONS CAR CDR \newcount\@malloc \def\@get@car#1\@tlabel@cons#2{\@@get@car#1#2} \def\@@get@car#1#2#3{\global\let#1#2} \def\@get@cdr#1\@tlabel@cons#2{\@@get@cdr#1#2} \def\@@get@cdr#1#2#3{\global\let#1#3} \def\@make@cons#1#2#3#4#5{% \expandafter\gdef\csname car\the\@malloc\endcsname{#2{#3}}% \expandafter\gdef\csname cdr\the\@malloc\endcsname{#4{#5}}% \@@make@cons#1\csname car\the\@malloc\endcsname\csname cdr\the\@malloc\endcsname \global\advance\@malloc1\relax} \def\@@make@cons#1{\expandafter\@@@make@cons\expandafter#1} \def\@@@make@cons#1#2{\expandafter\@@@@make@cons\expandafter#1\expandafter#2} \def\@@@@make@cons#1#2#3{\gdef#1{\@tlabel@cons{#2#3}}} \def\@defined@datatype{symbol,string,int,bool,dimen,skip,cons,nil,func,closure,macro,envfunc,mutable} \def\@defined@specialform{lambda,quote,define,if,defmacro,begin,mdefine,setb,@let,@mlet} \edef\@defined@lisp@on@tex{\@defined@datatype,\@defined@specialform} %%%%%MEMO % \@tlabel@xxx -> \@eval@xxx\@apply@xxx\@@apply@xxx % \@dummy => ; % \@eval@xxx#1#2#3 : #1 = cont, #2 = env, #3 = reg %%%%% \def\@@select@eval#1#2#3{#1} \def\@@select@apply#1#2#3{#2} \def\@@select@@apply#1#2#3{#3} \def\@type@define@filed#1{\expandafter\@@type@define@filed\expandafter#1} \def\@@type@define@filed#1#2{\expandafter\@@@type@define@filed \expandafter#1\expandafter#2} \def\@@@type@define@filed#1#2#3{\expandafter\@@@@type@define@field \expandafter#1\expandafter#2\expandafter#3} \def\@@@@type@define@field#1#2#3#4{% \def#1##1##2##3{\gdef##3{#4{##1}}}% \def#2{\errmessage{LISP on TeX [internal apply]: cannot apply}}% \def#3{\errmessage{LISP on teX [function --- apply]: cannot apply}}% \def#4{#1#2#3}} \@for\@type:=\@defined@lisp@on@tex\do{% \expandafter\@type@define@filed% \csname @eval@\@type\endcsname% \csname @apply@\@type\endcsname% \csname @@apply@\@type\endcsname% \csname @tlabel@\@type\endcsname} \def\lispeval#1#2{% #1 : \cs -> S-exp, #2 : target register \gdef\@temp@write@buffer{}% \expandafter\@eval#1{}#2% \@temp@write@buffer} \def\@eval#1#2#3#4{% \begingroup\expandafter\@@select@eval#1{#2}{#3}#4\endgroup} \def\@append@env@global#1#2{% \def#2{#1}% \expandafter\expandafter\expandafter\def \expandafter\expandafter\expandafter#2% \expandafter\expandafter\expandafter{\expandafter#2\@globalenv}} \def\@eval@symbol#1#2#3{% \@append@env@global{#2}\@temp@env %% \@temp@env = #2(local environment) ++ global environment \getassoc\@temp@env#1#3% \expandafter\@expand@if@mutable#3#3} \def\@expand@if@mutable#1#2#3{\ifx#1\@tlabel@mutable\global\let#3#2\fi} \def\@eval@envcs#1#2#3#4{\expandafter\@@eval@envcs\expandafter{#1}#2{#3}#4} \def\@@eval@envcs#1#2#3#4{\@eval#2{#3}{#1}#4} \def\@eval@cons#1#2#3{\@@eval@cons#1{#2}#3} \def\@@eval@cons#1#2#3#4{% \expandafter\@eval#1{#3}\@temp@i \def\@temp@ii{}% init \expandafter\@flatten@args#2\@temp@ii \expandafter\expandafter\expandafter\@@select@apply@pre\expandafter\@temp@i\@temp@ii\@{#3}#4} \def\@@select@apply@pre{\expandafter\@@select@apply} \def\@flatten@args#1#2#3{% \ifx#1\@tlabel@cons \let\@flatten@next\@@flatten@next \else\ifx#1\@tlabel@nil \let\@flatten@next\@@flatten@fin \else \errmessage{LISP on TeX [internal apply]: Invalid args}% \fi\fi \@flatten@next#2#3} \def\@@flatten@next#1#2#3{% \expandafter\expandafter\expandafter\def \expandafter\expandafter\expandafter#3% \expandafter\expandafter\expandafter{\expandafter#3#1}% \expandafter\@flatten@args#2#3} \def\@@flatten@fin#1{} \def\@apply@lambda#1#2#3#4#5\@#6#7{% \def\@lambda@args{}% init \@create@bind#2{#3}\@lambda@args % convert arg list into internal form \expandafter\@create@closure\@lambda@args\@{#6}#4{#5}#7} \def\@create@closure#1\@#2#3#4#5{\gdef#5{\@tlabel@closure{{#1}{#2}#3{#4}}}} \def\@create@bind#1#2#3{% \ifx#1\@tlabel@symbol \let\@create@bind@next\@@create@listarg \else\ifx#1\@tlabel@cons \let\@create@bind@next\@@create@normalarg \else\ifx#1\@tlabel@nil \let\@create@bind@next\@@create@finarg \fi\fi\fi \@create@bind@next#2#3} \def\@@create@listarg#1#2{\expandafter\def\expandafter#2\expandafter{#2:#1}} \def\@@create@normalarg#1#2#3{% \expandafter\@@create@bind@symbol#1#3% \expandafter\@create@bind#2#3} \def\@@create@bind@symbol\@tlabel@symbol#1#2{\expandafter\def\expandafter#2\expandafter{#2#1}} \def\@@create@finarg#1{\expandafter\def\expandafter#1\expandafter{#1:\@@unused}} \def\@@unused{\@@unused} \def\@apply@quote#1#2#3\@#4#5{\gdef#5{#2{#3}}} \def\@apply@define#1\@tlabel@symbol#2#3#4\@#5#6{% \@eval#3{#4}{#5}#6% define does NOT use local environment \expandafter\addassoc\expandafter\@globalenv\expandafter#2\expandafter{#6}% \gdef#6{\@tlabel@nil{}}} \def\@apply@mdefine#1\@tlabel@symbol#2#3#4\@#5#6{% \@eval#3{#4}{#5}#6% mdefine does NOT use local environment \expandafter\@mutable@allocate#6% \expandafter\addassoc \expandafter\@globalenv \expandafter#2% \expandafter{\expandafter\@tlabel@mutable \expandafter{\csname mutable\the\@malloc\endcsname}}% \global\advance\@malloc1\relax \gdef#6{\@tlabel@nil{}}} \def\@mutable@allocate#1#2{\expandafter\gdef\csname mutable\the\@malloc\endcsname{#1{#2}}} \def\@apply@setb#1\@tlabel@symbol#2#3#4\@#5#6{% \@eval#3{#4}{#5}#6% \let\@@save#6% \@append@env@global{#5}\@temp@env \getassoc\@temp@env#2\@temp@i \let#6\@@save% \expandafter\@set@mutable\@temp@i#6% \gdef#6{\@tlabel@nil{}}} \def\@set@mutable\@tlabel@mutable#1#2{\global\let#1#2} \def\@apply@@let#1\@tlabel@symbol#2#3#4#5#6\@#7#8{% \@eval#3{#4}{#7}#8% \expandafter\def\expandafter\@temp@env\expandafter{\expandafter#2\expandafter{#8}#7}% \expandafter\gdef\expandafter\@@tco \expandafter{\expandafter\@@eval@envcs\expandafter{\@temp@env}#5{#6}#8}% \aftergroup\@@tco} \def\@apply@@mlet#1\@tlabel@symbol#2#3#4#5#6\@#7#8{% \@eval#3{#4}{#7}#8% \expandafter\global\expandafter\let\csname mutable\the\@malloc\endcsname#8% \expandafter\def\expandafter#8\expandafter{\expandafter\@tlabel@mutable \expandafter{\csname mutable\the\@malloc\endcsname}}% \global\advance\@malloc1\relax \expandafter\def\expandafter\@temp@env\expandafter{\expandafter#2\expandafter{#8}#7}% \expandafter\gdef\expandafter\@@tco \expandafter{\expandafter\@@eval@envcs\expandafter{\@temp@env}#5{#6}#8}% \aftergroup\@@tco} \def\@apply@defmacro#1\@tlabel@symbol#2#3#4\@#5#6{% \@eval#3{#4}{#5}#6% NOT use local env! \expandafter\@apply@defmacro@next\expandafter#2#6% \gdef#6{\@tlabel@nil{}}} \def\@apply@defmacro@next#1\@tlabel@closure#2{\addassoc\@globalenv#1{\@tlabel@macro{#2}}} \def\@apply@if#1#2#3#4#5#6#7\@#8#9{% \@eval#2{#3}{#8}#9% \expandafter\@apply@if@next#9#4{#5}#6{#7}{#8}#9% \aftergroup\@@tco } \def\@apply@if@next\@tlabel@bool#1#2#3#4#5#6#7{% \ifx#1t% \gdef\@@tco{\@eval#2{#3}{#6}#7}% \else\ifx#1f% \gdef\@@tco{\@eval#4{#5}{#6}#7}% \else \errmessage{LISP on TeX [if]: Invalid boolean. It's BUG. Please report.}% \fi\fi} %% use general \def\@apply@eval@args#1#2#3#4{% \ifx#3\relax \let\@@next\@@next@fin \else \let\@@save#1% \@eval#3{#4}{#2}#1% \expandafter\expandafter\expandafter\def \expandafter\expandafter\expandafter#1\expandafter\expandafter\expandafter{% \expandafter\@@save#1}% \let\@@next\@apply@eval@args \fi\@@next#1{#2}} \def\@@next@fin#1#2{} \def\@apply@func#1#2\@#3#4{% \def\@temp@i{}% \@apply@eval@args\@temp@i{#3}#2\relax\relax \expandafter\@apply@func@next\expandafter{\@temp@i}{#1}{#3}#4} \def\@apply@func@next#1#2#3#4{\@@apply@func{#2}#1\@{#3}#4} \def\@@apply@func#1#2\@#3#4{\gdef\@@tco{#1#4#2\relax\relax}\aftergroup\@@tco} \def\@apply@envfunc#1#2\@#3#4{% \def\@temp@i{}% \@apply@eval@args\@temp@i{#3}#2\relax\relax \expandafter\@apply@envfunc@next\expandafter{\@temp@i}{#1}{#3}#4} \def\@apply@envfunc@next#1#2#3#4{\@@apply@envfunc{#2}#1\@{#3}#4} \def\@@apply@envfunc#1#2\@#3#4{\gdef\@@tco{#1#4{#3}#2\relax\relax}\aftergroup\@@tco} \def\@apply@closure#1#2\@#3#4{% \def\@temp@i{}% \@apply@eval@args\@temp@i{#3}#2\relax\relax \expandafter\@apply@closure@next\expandafter{\@temp@i}{#1}{#3}#4} \def\@apply@closure@next#1#2#3#4{\@@apply@closure{#2}#1\@{#3}#4} \def\@@apply@closure#1#2\@#3#4{\@@apply@closure@next#1#2\@#4} \def\@@apply@closure@next#1#2#3#4#5\@#6{% \def\@temp@env{}% \@@apply@create@env\@temp@env#1#5\relax\relax \expandafter\gdef\expandafter\@@tco\expandafter{% \expandafter\@@eval@envcs\expandafter{\@temp@env#2}#3{#4}#6}% \aftergroup\@@tco} \def\@@apply@create@env#1#2:#3#4#5{% \ifx!#2!% if #2 is empty \let\@@next@args@\@empty \ifx#3\@@unused \let\@@next\@@apply@create@env@fin \else \ifx#4\relax \let\@@next\@@apply@create@env@fin \@@apply@modify@env#1\@tlabel@nil{}#3\@ \else \@@apply@create@env@phantom \expandafter\@@apply@modify@env\expandafter#1\@@@@ph#3\@ \expandafter\gdef\csname car\the\@malloc\endcsname{#4{#5}}% \let\@@next\@@apply@create@env@cdr \fi \fi \else \@@apply@modify@env#1#4{#5}#2\@ \@@next@args#2\@ \let\@@next\@@apply@create@env \fi\expandafter\@@next\expandafter#1\@@next@args@:#3} \def\@@apply@create@env@cdr#1:#2{\@@@apply@create@env@cdr} \def\@@@apply@create@env@cdr#1#2{% \ifx#1\relax \expandafter\gdef\csname cdr\the\@malloc\endcsname{\@tlabel@nil{}}% \global\advance\@malloc1\relax \let\@@next\relax \else \global\advance\@malloc1\relax \@@apply@create@env@phantom \global\advance\@malloc-1\relax \expandafter\@@set@cdr\@@@@ph \global\advance\@malloc1\relax \expandafter\gdef\csname car\the\@malloc\endcsname{#1{#2}}% \let\@@next\@@@apply@create@env@cdr \fi\@@next} \def\@@set@cdr#1#2{\expandafter\gdef\csname cdr\the\@malloc\endcsname{#1{#2}}} \def\@@apply@create@env@phantom{% \expandafter\@@@apply@ph\csname car\the\@malloc\endcsname\csname cdr\the\@malloc\endcsname} \def\@@@apply@ph#1{\expandafter\@@@@apply@ph\expandafter#1} \def\@@@@apply@ph#1#2{\def\@@@@ph{\@tlabel@cons{#1#2}}} \def\@@apply@create@env@fin#1:#2{} \def\@@apply@modify@env#1#2#3#4#5\@{% \ifx#2\relax \errmessage{LISP on TeX [apply --- closure]: too few args}% \else \expandafter\def\expandafter#1\expandafter{#1#4{#2{#3}}}% \fi} \def\@@next@args#1#2\@{\def\@@next@args@{#2}} \def\@@apply@macro#1#2\@#3#4{\@@apply@macro@next#1#2\@{#3}#4} \def\@@apply@macro@next#1#2#3#4#5\@#6#7{% \def\@temp@env{}% \@@apply@create@env\@temp@env#1#5\relax\relax \expandafter\gdef\expandafter\@@tco\expandafter{% \expandafter\@@eval@envcs\expandafter{\@temp@env#2}#3{#4}#7% \expandafter\@eval#7{#6}#7}% \aftergroup\@@tco} \let\@apply@macro\@@apply@macro \def\@apply@begin#1#2\@#3#4{% \@apply@begin@next#4{#3}#2\relax\relax} \def\@apply@begin@next#1#2#3#4#5#6{% \ifx#5\relax \gdef\@@tco{\@eval#3{#4}{#2}#1}% \aftergroup\@@tco \let\@@next\relax \else \@eval#3{#4}{#2}#1% \def\@@next{\@apply@begin@next#1{#2}#5{#6}}% \fi\@@next} % reader \input{lisp-read.sty} %arithmetical functions \input{lisp-arith.sty} %string manipulation \input{lisp-string.sty} % connection to TeX world \input{lisp-latexutil.sty} \input{lisp-prim.sty} \input{lisp-util.sty}