/usr/share/texmf-texlive/tex/plain/cweb/pdfcwebmac.tex is in texlive-extra-utils 2009-10ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 | % 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
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