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Diffstat (limited to 'Master/texmf-dist/tex/plain/cweb/pdfcwebmac.tex')
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diff --git a/Master/texmf-dist/tex/plain/cweb/pdfcwebmac.tex b/Master/texmf-dist/tex/plain/cweb/pdfcwebmac.tex new file mode 100644 index 00000000000..aa52dae79a4 --- /dev/null +++ b/Master/texmf-dist/tex/plain/cweb/pdfcwebmac.tex @@ -0,0 +1,406 @@ +% standard macros for CWEB listings (in addition to plain.tex) +% Version 3.1 --- September 1994 +% Modified for use with "pdftex" by Andreas Scherer, April 1997 +\ifx\documentstyle\undefined\else\endinput\fi % LaTeX will use other macros +\xdef\fmtversion{\fmtversion+HyperCWEB3.1} + +\let\:=\. % preserve a way to get the dot accent + % (all other accents will still work as usual) + +\parskip 0pt % no stretch between paragraphs +\parindent 1em % for paragraphs and for the first line of C text + +\font\ninerm=cmr9 +\let\mc=\ninerm % medium caps +\def\CEE/{{\mc C\spacefactor1000}} +\def\UNIX/{{\mc U\kern-.05emNIX\spacefactor1000}} +\def\TEX/{\TeX} +\def\CPLUSPLUS/{{\mc C\PP\spacefactor1000}} +\def\Cee{\CEE/} % for backward compatibility +\def\9#1{} +\font\eightrm=cmr8 +\let\sc=\eightrm % small caps (NOT a caps-and-small-caps font) +\let\mainfont=\tenrm +\let\cmntfont\tenrm +%\font\tenss=cmss10 \let\cmntfont\tenss % alternative comment font +\font\titlefont=cmr7 scaled\magstep4 % title on the contents page +\font\ttitlefont=cmtt10 scaled\magstep2 % typewriter type in title +\font\tentex=cmtex10 % TeX extended character set (used in strings) +\fontdimen7\tentex=0pt % no double space after sentences + +\def\\#1{\leavevmode\hbox{\it#1\/\kern.05em}} % italic type for identifiers +\def\|#1{\leavevmode\hbox{$#1$}} % one-letter identifiers look better this way +\def\{\leavevmode\hbox{\bf + \def\_{\kern.04em\vbox{\hrule width.3em height .6pt}\kern.08em}% + #1\/\kern.05em}} % boldface type for reserved words +\def\.#1{\leavevmode\hbox{\tentex % typewriter type for strings + \let\\=\BS % backslash in a string + \let\{=\LB % left brace in a string + \let\}=\RB % right brace in a string + \let\~=\TL % tilde in a string + \let\ =\SP % space in a string + \let\_=\UL % underline in a string + \let\&=\AM % ampersand in a string + \let\^=\CF % circumflex in a string + #1\kern.05em}} +\def\){\discretionary{\hbox{\tentex\BS}}{}{}} +\def\AT{@} % at sign for control text (not needed in versions >= 2.9) +\def\ATL{\par\noindent\bgroup\catcode`\_=12 \postATL} % print @l in limbo +\def\postATL#1 #2 {\bf letter \\{\uppercase{\char"#1}} + tangles as \tentex "#2"\egroup\par} +\def\noATL#1 #2 {} +\def\noatl{\let\ATL=\noATL} % suppress output from @l +\def\ATH{\X\kern-.5em:Preprocessor definitions\X} +\let\PB=\relax % hook for program brackets |...| in TeX part or section name + +\chardef\AM=`\& % ampersand character in a string +\chardef\BS=`\\ % backslash in a string +\chardef\LB=`\{ % left brace in a string +\chardef\RB=`\} % right brace in a string +\def\SP{{\tt\char`\ }} % (visible) space in a string +\chardef\TL=`\~ % tilde in a string +\chardef\UL=`\_ % underline character in a string +\chardef\CF=`\^ % circumflex character in a string + +\newbox\PPbox % symbol for ++ +\setbox\PPbox=\hbox{\kern.5pt\raise1pt\hbox{\sevenrm+\kern-1pt+}\kern.5pt} +\def\PP{\copy\PPbox} +\newbox\MMbox \setbox\MMbox=\hbox{\kern.5pt\raise1pt\hbox{\sevensy\char0 + \kern-1pt\char0}\kern.5pt} +\def\MM{\copy\MMbox} +\newbox\MGbox % symbol for -> +\setbox\MGbox=\hbox{\kern-2pt\lower3pt\hbox{\teni\char'176}\kern1pt} +\def\MG{\copy\MGbox} +\def\MRL#1{\mathrel{\let\K==#1}} +%\def\MRL#1{\KK#1}\def\KK#1#2{\buildrel\;#1\over{#2}} +\let\GG=\gg +\let\LL=\ll +\let\NULL=\Lambda +\mathchardef\AND="2026 % bitwise and; also \& (unary operator) +\let\OR=\mid % bitwise or +\let\XOR=\oplus % bitwise exclusive or +\def\CM{{\sim}} % bitwise complement +\newbox\MODbox \setbox\MODbox=\hbox{\eightrm\%} +\def\MOD{\mathbin{\copy\MODbox}} +\def\DC{\kern.1em{::}\kern.1em} % symbol for :: +\def\PA{\mathbin{.*}} % symbol for .* +\def\MGA{\mathbin{\MG*}} % symbol for ->* +\def\this{\&{this}} + +\newbox\bak \setbox\bak=\hbox to -1em{} % backspace one em +\newbox\bakk\setbox\bakk=\hbox to -2em{} % backspace two ems + +\newcount\ind % current indentation in ems +\def\1{\global\advance\ind by1\hangindent\ind em} % indent one more notch +\def\2{\global\advance\ind by-1} % indent one less notch +\def\3#1{\hfil\penalty#10\hfilneg} % optional break within a statement +\def\4{\copy\bak} % backspace one notch +\def\5{\hfil\penalty-1\hfilneg\kern2.5em\copy\bakk\ignorespaces}% optional break +\def\6{\ifmmode\else\par % forced break + \hangindent\ind em\noindent\kern\ind em\copy\bakk\ignorespaces\fi} +\def\7{\Y\6} % forced break and a little extra space +\def\8{\hskip-\ind em\hskip 2em} % no indentation + +\newcount\gdepth % depth of current major group, plus one +\newcount\secpagedepth +\secpagedepth=3 % page breaks will occur for depths -1, 0, and 1 +\newtoks\gtitle % title of current major group +\newskip\intersecskip \intersecskip=12pt minus 3pt % space between sections +\let\yskip=\smallskip +\def\?{\mathrel?} + +% Some changes for pdftex +%\def\note#1#2.{\Y\noindent{\hangindent2em\baselineskip10pt\eightrm#1~#2.\par}} +\def\note#1#2.{\Y\noindent{\hangindent2em\baselineskip10pt\eightrm#1~\pdfnote#2..\par}} +\pdfoutput=1 +\pdfcompresslevel=9 +\input pdfcolor + +\newtoks\toksA +\newtoks\toksB +\newtoks\toksC +\newtoks\toksD +\newcount\countA +\countA=0 +\def\pdfnote#1.{\setbox0=\hbox{\toksA={#1.}\toksB={}\maketoks}\the\toksA} +\def\addtokens#1#2{\edef\addtoks{\noexpand#1={\the#1#2}}\addtoks} +\def\adn#1{\addtokens{\toksC}{#1}\global\countA=1\let\next=\maketoks} +\def\poptoks#1#2|ENDTOKS|{\let\first=#1\toksD={#1}\toksA={#2}} +\def\maketoks{% + \expandafter\poptoks\the\toksA|ENDTOKS| + \ifx\first0\adn0 + \else\ifx\first1\adn1 \else\ifx\first2\adn2 \else\ifx\first3\adn3 + \else\ifx\first4\adn4 \else\ifx\first5\adn5 \else\ifx\first6\adn6 + \else\ifx\first7\adn7 \else\ifx\first8\adn8 \else\ifx\first9\adn9 + \else + \ifnum0=\countA\else\makenote\fi + \ifx\first.\let\next=\done\else + \let\next=\maketoks + \addtokens{\toksB}{\the\toksD} + \ifx\first,\addtokens{\toksB}{\space}\fi + \fi + \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi + \next +} +\def\n#1{\pdfannotlink attr{/Border [0 0 0]} goto num #1 + \BlueGreen #1\Black\pdfendlink} +\def\makenote{\addtokens{\toksB}% + {\noexpand\n{\the\toksC}}\toksC={}\global\countA=0} +\def\done{\edef\st{\global\noexpand\toksA={\the\toksB}}\st} +% End of pdftex changes + +\def\lapstar{\rlap{*}} + +% Some changes for pdftex +%\def\stsec{\rightskip=0pt % get out of C mode (cf. \B) +% \sfcode`;=1500 \pretolerance 200 \hyphenpenalty 50 \exhyphenpenalty 50 +% \noindent{\let\*=\lapstar\bf\secstar.\quad}} +\def\stsec{\rightskip=0pt % get out of C mode (cf. \B) + \sfcode`;=1500 \pretolerance 200 \hyphenpenalty 50 \exhyphenpenalty 50 + \noindent{\let\*=\lapstar\bf\secstar.\quad}% + {\let\*=\empty\pdfdest num \secstar fitbh}} +% End of pdftex changes + +\let\startsection=\stsec +\def\defin#1{\global\advance\ind by 2 \1\&{#1 } } % begin `define' or `format' +\def\A{\note{See also section}} % xref for doubly defined section name +\def\As{\note{See also sections}} % xref for multiply defined section name +\def\B{\rightskip=0pt plus 100pt minus 10pt % go into C mode + \sfcode`;=3000 + \pretolerance 10000 + \hyphenpenalty 1000 % so strings can be broken (discretionary \ is inserted) + \exhyphenpenalty 10000 + \global\ind=2 \1\ \unskip} +\def\C#1{\5\5\quad$/\ast\,${\cmntfont #1}$\,\ast/$} +\let\SHC\C % "// short comments" treated like "/* ordinary comments */" +%\def\C#1{\5\5\quad$\triangleright\,${\cmntfont#1}$\,\triangleleft$} +%\def\SHC#1{\5\5\quad$\diamond\,${\cmntfont#1}} +\def\D{\defin{\#define}} % macro definition +\let\E=\equiv % equivalence sign +\def\ET{ and~} % conjunction between two section numbers +\def\ETs{, and~} % conjunction between the last two of several section numbers +\def\F{\defin{format}} % format definition +\let\G=\ge % greater than or equal sign +% \H is long Hungarian umlaut accent +\let\I=\ne % unequal sign +\def\J{\.{@\&}} % TANGLE's join operation +\let\K== % assignment operator +%\let\K=\leftarrow % "honest" alternative to standard assignment operator +% \L is Polish letter suppressed-L +\outer\def\M#1{\MN{#1}\ifon\vfil\penalty-100\vfilneg % beginning of section + \vskip\intersecskip\startsection\ignorespaces} +\outer\def\N#1#2#3.{\gdepth=#1\gtitle={#3}\MN{#2}% beginning of starred section + \ifon\ifnum#1<\secpagedepth \vfil\eject % force page break if depth is small + \else\vfil\penalty-100\vfilneg\vskip\intersecskip\fi\fi + \message{*\secno} % progress report + \edef\next{\write\cont{\ZZ{#3}{#1}{\secno}% write to contents file + {\noexpand\the\pageno}}}\next % \ZZ{title}{depth}{sec}{page} + \ifon\startsection{\bf#3.\quad}\ignorespaces} +\def\MN#1{\par % common code for \M, \N + {\xdef\secstar{#1}\let\*=\empty\xdef\secno{#1}}% remove \* from section name + \ifx\secno\secstar \onmaybe \else\ontrue \fi + \mark{{{\tensy x}\secno}{\the\gdepth}{\the\gtitle}}} +% each \mark is {section reference or null}{depth plus 1}{group title} +% \O is Scandinavian letter O-with-slash +% \P is paragraph sign +\def\Q{\note{This code is cited in section}} % xref for mention of a section +\def\Qs{\note{This code is cited in sections}} % xref for mentions of a section +\let\R=\lnot % logical not +% \S is section sign +\def\T#1{\leavevmode % octal, hex or decimal constant + \hbox{$\def\?{\kern.2em}% + \def\$##1{\egroup_{\,\rm##1}\bgroup}% suffix to constant + \def\_{\cdot 10^{\aftergroup}}% power of ten (via dirty trick) + \let\~=\oct \let\^=\hex {#1}$}} +\def\U{\note{This code is used in section}} % xref for use of a section +\def\Us{\note{This code is used in sections}} % xref for uses of a section +\let\V=\lor % logical or +\let\W=\land % logical and + +% Some changes for pdftex +%\def\X#1:#2\X{\ifmmode\gdef\XX{\null$\null}\else\gdef\XX{}\fi % section name +% \XX$\langle\,${#2\eightrm\kern.5em#1}$\,\rangle$\XX} +\def\X#1:#2\X{\ifmmode\gdef\XX{\null$\null}\else\gdef\XX{}\fi % section name + \XX$\langle\,${#2\eightrm\kern.5em\pdfnote#1.}$\,\rangle$\XX} +% End of pdftex changes + +\def\Y{\par\yskip} +\let\Z=\le +\let\ZZ=\let % now you can \write the control sequence \ZZ +\let\*=* + +%\def\oct{\hbox{\rm\char'23\kern-.2em\it\aftergroup\?\aftergroup}} % WEB style +%\def\hex{\hbox{\rm\char"7D\tt\aftergroup}} % WEB style +\def\oct{\hbox{$^\circ$\kern-.1em\it\aftergroup\?\aftergroup}}% CWEB style +\def\hex{\hbox{$^{\scriptscriptstyle\#}$\tt\aftergroup}} % CWEB style +\def\vb#1{\leavevmode\hbox{\kern2pt\vrule\vtop{\vbox{\hrule + \hbox{\strut\kern2pt\.{#1}\kern2pt}} + \hrule}\vrule\kern2pt}} % verbatim string + +\def\onmaybe{\let\ifon=\maybe} \let\maybe=\iftrue +\newif\ifon \newif\iftitle \newif\ifpagesaved + +\def\lheader{\mainfont\the\pageno\eightrm\qquad\grouptitle\hfill\title\qquad + \mainfont\topsecno} % top line on left-hand pages +\def\rheader{\mainfont\topsecno\eightrm\qquad\title\hfill\grouptitle + \qquad\mainfont\the\pageno} % top line on right-hand pages +\def\grouptitle{\let\i=I\let\j=J\uppercase\expandafter{\expandafter + \takethree\topmark}} +\def\topsecno{\expandafter\takeone\topmark} +\def\takeone#1#2#3{#1} +\def\taketwo#1#2#3{#2} +\def\takethree#1#2#3{#3} +\def\nullsec{\eightrm\kern-2em} % the \kern-2em cancels \qquad in headers + +\let\page=\pagebody \raggedbottom +% \def\page{\box255 }\normalbottom % faster, but loses plain TeX footnotes +\def\normaloutput#1#2#3{\ifodd\pageno\hoffset=\pageshift\fi + \shipout\vbox{ + \vbox to\fullpageheight{ + \iftitle\global\titlefalse + \else\hbox to\pagewidth{\vbox to10pt{}\ifodd\pageno #3\else#2\fi}\fi + \vfill#1}} % parameter #1 is the page itself + \global\advance\pageno by1} + +\gtitle={\.{CWEB} output} % this running head is reset by starred sections +\mark{\noexpand\nullsec0{\the\gtitle}} +\def\title{\expandafter\uppercase\expandafter{\jobname}} +\def\topofcontents{\centerline{\titlefont\title}\vskip.7in + \vfill} % this material will start the table of contents page +\def\botofcontents{\vfill + \centerline{\covernote}} % this material will end the table of contents page +\def\covernote{} +\def\contentspagenumber{0} % default page number for table of contents +\newdimen\pagewidth \pagewidth=6.5in % the width of each page +\newdimen\pageheight \pageheight=8.7in % the height of each page +\newdimen\fullpageheight \fullpageheight=9in % page height including headlines +\newdimen\pageshift \pageshift=0in % shift righthand pages wrt lefthand ones +\def\magnify#1{\mag=#1\pagewidth=6.5truein\pageheight=8.7truein + \fullpageheight=9truein\setpage} +\def\setpage{\hsize\pagewidth\vsize\pageheight} % use after changing page size +\def\contentsfile{\jobname.toc} % file that gets table of contents info +\def\readcontents{\input \contentsfile} +\def\readindex{\input \jobname.idx} +\def\readsections{\input \jobname.scn} + +\newwrite\cont +\output{\setbox0=\page % the first page is garbage + \openout\cont=\contentsfile + \write\cont{\catcode `\noexpand\@=11\relax} % \makeatletter + \global\output{\normaloutput\page\lheader\rheader}} +\setpage +\vbox to \vsize{} % the first \topmark won't be null + +\def\ch{\note{The following sections were changed by the change file:} + \let\*=\relax} +\newbox\sbox % saved box preceding the index +\newbox\lbox % lefthand column in the index +\def\inx{\par\vskip6pt plus 1fil % we are beginning the index + \def\page{\box255 } \normalbottom + \write\cont{} % ensure that the contents file isn't empty + \write\cont{\catcode `\noexpand\@=12\relax} % \makeatother + \closeout\cont % the contents information has been fully gathered + \output{\ifpagesaved\normaloutput{\box\sbox}\lheader\rheader\fi + \global\setbox\sbox=\page \global\pagesavedtrue} + \pagesavedfalse \eject % eject the page-so-far and predecessors + \setbox\sbox\vbox{\unvbox\sbox} % take it out of its box + \vsize=\pageheight \advance\vsize by -\ht\sbox % the remaining height + \hsize=.5\pagewidth \advance\hsize by -10pt + % column width for the index (20pt between cols) + \parfillskip 0pt plus .6\hsize % try to avoid almost empty lines + \def\lr{L} % this tells whether the left or right column is next + \output{\if L\lr\global\setbox\lbox=\page \gdef\lr{R} + \else\normaloutput{\vbox to\pageheight{\box\sbox\vss + \hbox to\pagewidth{\box\lbox\hfil\page}}}\lheader\rheader + \global\vsize\pageheight\gdef\lr{L}\global\pagesavedfalse\fi} + \message{Index:} + \parskip 0pt plus .5pt +% +% Some changes for pdftex +% \outer\def\I##1, {\par\hangindent2em\noindent##1:\kern1em} % index entry + \outer\def\I##1, {\par\hangindent2em\noindent##1:\kern1em\pdfnote} % index entry +% End of pdftex changes +% + \def\[##1]{$\underline{##1}$} % underlined index item + \rm \rightskip0pt plus 2.5em \tolerance 10000 \let\*=\lapstar + \hyphenpenalty 10000 \parindent0pt + \readindex} +\def\fin{\par\vfill\eject % this is done when we are ending the index + \ifpagesaved\null\vfill\eject\fi % output a null index column + \if L\lr\else\null\vfill\eject\fi % finish the current page + \parfillskip 0pt plus 1fil + \def\grouptitle{NAMES OF THE SECTIONS} + \let\topsecno=\nullsec + \message{Section names:} + \output={\normaloutput\page\lheader\rheader} + \setpage +% +% Some changes for pdftex +% \def\note##1##2.{\quad{\eightrm##1~##2.}} + \def\note##1##2.{\quad{\eightrm##1~\pdfnote##2..}} +% End of pdftex changes +% + \def\Q{\note{Cited in section}} % crossref for mention of a section + \def\Qs{\note{Cited in sections}} % crossref for mentions of a section + \def\U{\note{Used in section}} % crossref for use of a section + \def\Us{\note{Used in sections}} % crossref for uses of a section + \def\I{\par\hangindent 2em}\let\*=* + \readsections} +\def\con{\par\vfill\eject % finish the section names +% \ifodd\pageno\else\titletrue\null\vfill\eject\fi % for duplex printers + \rightskip 0pt \hyphenpenalty 50 \tolerance 200 + \setpage \output={\normaloutput\page\lheader\rheader} + \titletrue % prepare to output the table of contents + \pageno=\contentspagenumber + \def\grouptitle{TABLE OF CONTENTS} + \message{Table of contents:} + \topofcontents + \line{\hfil Section\hbox to3em{\hss Page}} + \let\ZZ=\contentsline + \readcontents\relax % read the contents info + \botofcontents \end} % print the contents page(s) and terminate +% +% Some changes for pdftex +%\def\contentsline#1#2#3#4{\ifnum#2=0 \smallbreak\fi +% \line{\consetup{#2}#1 +% \rm\leaders\hbox to .5em{.\hfil}\hfil\ #3\hbox to3em{\hss#4}}} +\def\contentsline#1#2#3#4{\ifnum#2=0 \smallbreak\fi + \line{\consetup{#2}\pdfoutline goto num #3{#1} + \pdfannotlink attr{/Border [0 0 0]} goto num #3 + \BlueGreen #1 \rm\leaders\hbox to .5em{.\hfil}\hfil\ #3\pdfendlink + \Black\hbox to3em{\hss#4}}} +\pdfcatalog pagemode{/UseOutlines} +% End of pdftex changes +% +\def\consetup#1{\ifcase#1 \bf % depth -1 (@**) + \or % depth 0 (@*) + \or \hskip2em % depth 1 (@*1) + \or \hskip4em % depth 2 (@*2) + \or \hskip6em % depth 3 (@*3) + \or \hskip8em % depth 4 (@*4) + \or \hskip10em % depth 5 (@*5) + \else \hskip12em \fi} % depth 6 or more +\def\noinx{\let\inx=\end} % no indexes or table of contents +\def\nosecs{\let\FIN=\fin \def\fin{\let\parfillskip=\end \FIN}} + % no index of section names or table of contents +\def\nocon{\let\con=\end} % no table of contents +\def\today{\ifcase\month\or + January\or February\or March\or April\or May\or June\or + July\or August\or September\or October\or November\or December\fi + \space\number\day, \number\year} +\newcount\twodigits +\def\hours{\twodigits=\time \divide\twodigits by 60 \printtwodigits + \multiply\twodigits by-60 \advance\twodigits by\time :\printtwodigits} +\def\gobbleone1{} +\def\printtwodigits{\advance\twodigits100 + \expandafter\gobbleone\number\twodigits + \advance\twodigits-100 } +\def\TeX{{\ifmmode\it\fi + \leavevmode\hbox{T\kern-.1667em\lower.424ex\hbox{E}\hskip-.125em X}}} +\def\,{\relax\ifmmode\mskip\thinmuskip\else\thinspace\fi} +\def\datethis{\def\startsection{\leftline{\sc\today\ at \hours}\bigskip + \let\startsection=\stsec\stsec}} + % say `\datethis' in limbo, to get your listing timestamped before section 1 +\def\datecontentspage{% + \def\topofcontents{\leftline{\sc\today\ at \hours}\bigskip + \centerline{\titlefont\title}\vfill}} % timestamps the contents page |