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+%D \module
+%D [ file=core-ver,
+%D version=2000.05.09,
+%D title=\CONTEXT\ Core Macros,
+%D subtitle=Verbatim,
+%D author=Hans Hagen,
+%D date=\currentdate,
+%D copyright={PRAGMA / Hans Hagen \& Ton Otten}]
+%C
+%C This module is part of the \CONTEXT\ macro||package and is
+%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
+%C details.
+
+\unprotect
+
+% uses \prettyidentifier and sets \setupprettytype
+
+\def\mksetupprettiesintype
+ {\doifundefined{setuppretty\prettyidentifier type}%
+ {\startnointerference
+ \restorecatcodes % also needed when loading during \newpretty
+ \startreadingfile % restore < and > if needed
+ \lowercasestring verb-\prettyidentifier.tex\to\filename
+ \readsysfile\filename\donothing\donothing
+ \stopreadingfile
+ \stopnointerference}%
+ \doifdefinedelse{setuppretty\prettyidentifier type}%
+ {\let\uncatcodecharacters\uncatcodeallcharacters % ugly, should be switch / todo
+ \def\mksetupprettytype{\getvalue{setuppretty\prettyidentifier type}}}
+ {\let\mksetupprettytype\relax}}
+
+% not that fast but catches \type{\command} % nothing more after \command
+%
+% \setupcolors[state=start]
+% \setuptype[option=TEX]
+% \setupcolors[textcolor=red]
+%
+% The options \type{before=\startsolutionbackground } and
+% \type{after=\stopsolutionbackground} take care of putting a frame,
+% which can
+%
+% {\blue The options \type{before=\startsolutionbackground } and
+% \type{after=\stopsolutionbackground} take care of putting a frame,
+% which} can
+
+\def\resumecoloraftergroup
+ {\localstartcolor[\s!black]%
+ \localstartcolor[\maintextcolor]%
+ \aftergroup\localstopcolor
+ \aftergroup\localstopcolor}
+
+% the rather messy \type command
+
+\def\mktype#1% was \dotype
+ {\bgroup
+ \resumecoloraftergroup % a problem is that we can still be in color mode, tricky hack
+ \strut % new, enables leading space in \type { abc } at par start
+ \let\currenttypingclass\??ty
+ \edef\currenttyping{#1}%
+ \catcode`\<=\@@other
+ \catcode`\>=\@@other
+ \futurelet\next\dodotype}
+
+\def\dodotypeA
+ {\initializetype
+ \initializetypegrouping
+ \verbatimfont
+ \verbatimcolor
+ \afterassignment\protectfirsttype\let\next=}
+
+\def\dodotypeB
+ {\initializetype
+ \setupnotypegrouping
+ \verbatimfont
+ \verbatimcolor
+ \let\next=}
+
+\def\dodotypeC<#1%
+ {\initializetype
+ \verbatimfont
+ \verbatimcolor
+ \if#1<%
+ \@EA\setupalternativetypegrouping
+ \else
+ \@EA#1%
+ \fi}
+
+\def\dodotypeD#1%
+ {\initializetype
+ \verbatimfont
+ \verbatimcolor
+ \catcode`#1=\@@endgroup}
+
+\def\dodotype
+ {\ifx\next\bgroup
+ \@EA\dodotypeA
+ \else\if\next<%
+ \doifelse{\typingparameter\c!option}\v!none
+ {\@EAEAEA\dodotypeB}{\@EAEAEA\dodotypeC}%
+ \else
+ \@EAEAEA\dodotypeD
+ \fi\fi}
+
+% Verbatim does not work when passed as an argument, so here is a
+% workaround. Beware, spaces are introduced after a \type {\csname}.
+
+\chardef\recodeverbatimmode\zerocount % 0=nothing 1=rescan 2=autorescan
+
+% \appendtoks \chardef\recodeverbatimmode\plustwo \to \everytabulate
+% \appendtoks \chardef\recodeverbatimmode\plustwo \to \everytable
+
+\def\dodotypeA
+ {\initializetype
+ \initializetypegrouping
+ \verbatimfont
+ \verbatimcolor
+ \ifcase\recodeverbatimmode
+ \@EA\dodotypeAA
+ \or
+ \@EA\dodotypeAB
+ \or
+ \ifnum\catcode`\{=\@@active
+ \@EAEAEA\dodotypeAB
+ \else
+ \@EAEAEA\dodotypeAA
+ \fi
+ \else
+ \@EA\dodotypeAA
+ \fi}
+
+\def\dodotypeAA
+ {\afterassignment\protectfirsttype\let\next=}
+
+\def\dodotypeAB
+ {\bgroup
+ \catcode`\}=\@@endgroup
+ \catcode`\{=\@@begingroup
+ \afterassignment\redotypeAB\global\globalscratchtoks}
+
+\def\redotypeAB
+ {\egroup
+ \expandafter\convertargument\the\globalscratchtoks\to\ascii
+ \ifx\scantokens\undefined\ascii\else\everyeof{\hskip-\spaceskip}\scantokens\expandafter{\ascii}\fi
+ \egroup}
+
+\bgroup
+\catcode`\[=\@@begingroup
+\catcode`\]=\@@endgroup
+\catcode`\{=\@@active
+\catcode`\}=\@@active
+\gdef\initializetypegrouping
+ [\ifnum\catcode`\{=\@@active
+ \let\normalactivebgroup{%
+ \let\normalactiveegroup}%
+ \else
+ \catcode`\{=\@@active
+ \catcode`\}=\@@active
+ \let\normalactivebgroup\leftargument
+ \let\normalactiveegroup\rightargument
+ \fi
+ \def\activeleftargument
+ [\bgroup
+ \catcode`\}=\@@active
+ \let}\activerightargument
+ \normalactivebgroup]%
+ \def\activerightargument
+ [\normalactiveegroup
+ \egroup]%
+ \let{=\activeleftargument
+ % not \let}=\egroup, otherwise things go wrong in alignments (???)
+ \catcode`\}=\@@endgroup]
+\egroup
+
+\bgroup
+\catcode`\<=\@@active
+\catcode`\>=\@@active
+\gdef\setupalternativetypegrouping
+ {\catcode`\<=\@@active
+ \catcode`\>=\@@active
+ \def\doless
+ {\ifx<\next
+ \def\next
+ {\bgroup\switchslantedtype
+ \let\next=}%
+ \else
+ \let\next\lesscharacter
+ \fi
+ \next}%
+ \def\domore
+ {\ifx>\next
+ \def\next
+ {\egroup
+ \let\next=}%
+ \else
+ \let\next\morecharacter
+ \fi
+ \next}%
+ \def<{\futurelet\next\doless}%
+ \def>{\futurelet\next\domore}}
+\egroup
+
+\def\setupnotypegrouping
+ {\catcode`\<=\@@begingroup
+ \catcode`\>=\@@endgroup}
+
+\def\doenterdoublelesstype
+ {\ifx\next\egroup
+ \lesscharacter\null\lesscharacter
+ \else
+ \bgroup\switchslantedtype
+ \let\doenterdoublemoretype\egroup
+ \fi}
+
+\def\doenterdoublemoretype
+ {\def\doenterdoubletype
+ {\ifx\next\egroup
+ \morecharacter\null\morecharacter
+ \fi}}
+
+\bgroup
+\catcode`\<=\@@active
+\catcode`\>=\@@active
+\gdef\setupgroupedtype
+ {\catcode`\<=\@@active
+ \catcode`\>=\@@active
+ \def\doless
+ {\ifx<\next
+ \def\next
+ {\def\enterdoubletype{\futurelet\next\doenterdoublelesstype}%
+ \afterassignment\enterdoubletype
+ \let\next=}%
+ \else
+ \let\next\lesscharacter
+ \fi
+ \next}%
+ \def\domore
+ {\ifx>\next
+ \def\next
+ {\def\enterdoubletype{\futurelet\next\doenterdoublemoretype}%
+ \afterassignment\enterdoubletype
+ \let\next=}%
+ \else
+ \let\next\morecharacter
+ \fi
+ \next}%
+ \def<{\futurelet\next\doless}%
+ \def>{\futurelet\next\domore}}
+\egroup
+
+\def\mksetupcommandsintype% can also be \string\
+ {\setupgroupedtype
+ \edef\\{\typingparameter\c!escape}%
+ \letvalue{\\}=\\% for instance \/=/
+ \@EA\catcode\@EA`\\=\@@escape
+ \def\BTEX##1\ETEX##2% ##2 gobbles active space
+ {\naturaltextext##1\unskip\relax}}
+
+\def\mksetupslantedtype
+ {\setupgroupedtype}
+
+\let\protectedfirsttype\string % \relax for special cases
+
+% The next one is safe for: \def\xx#1{\type{#1}} \xx{\ifx}
+
+\bgroup
+\catcode`\<=\active
+\catcode`\>=\active
+\gdef\doprotectfirsttype
+ {\normalifx\next<%
+ \endrobusttest \let\next\relax
+ \normalelse\normalifx\next\bgroup
+ \endrobusttest \let\next\relax
+ \normalelse\normalifx\next\egroup % takes care of \type{}
+ \endrobusttest \let\next\relax
+ \normalelse\normalifx\next\activeleftargument
+ \endrobusttest \let\next\relax
+ \normalelse
+ \endrobusttest \let\next\protectedfirsttype
+ \normalfi\normalfi\normalfi\normalfi
+ \next}
+\egroup
+
+\def\protectfirsttype
+ {\beginrobusttest
+ \futurelet\next\doprotectfirsttype}
+
+% typing:
+
+\def\mktypeblockverbatim#1#2%
+ {\processdisplayverbatim{#2}} % needs to be fixed
+
+% typefile:
+
+\def\mktypefileverbatim {\processfileverbatim \readfilename} % #1
+\def\mktypefilelinesverbatim{\processfilelinesverbatim\readfilename} % #1 / #2#3
+
+\protect \endinput
+