mdw@git.distorted.org.uk Git - sod/blob - doc/sod.sty

   1 %%% -*-latex-*-
   2 %%%
   3 %%% Styles and other hacking for the Sod manual
   4 %%%
   5 %%% (c) 2015 Straylight/Edgeware
   6 %%%
   7
   8 %%%----- Licensing notice ---------------------------------------------------
   9 %%%
  10 %%% This file is part of the Sensible Object Design, an object system for C.
  11 %%%
  12 %%% SOD is free software; you can redistribute it and/or modify
  13 %%% it under the terms of the GNU General Public License as published by
  14 %%% the Free Software Foundation; either version 2 of the License, or
  15 %%% (at your option) any later version.
  16 %%%
  17 %%% SOD is distributed in the hope that it will be useful,
  18 %%% but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 %%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 %%% GNU General Public License for more details.
  21 %%%
  22 %%% You should have received a copy of the GNU General Public License
  23 %%% along with SOD; if not, write to the Free Software Foundation,
  24 %%% Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  25
  26 \ProvidesPackage{sod}
  27
  28 %% More reference types.
  29 \defxref{p}{part}
  30
  31 %% Other languages with special typesetting.
  32 \def\Cplusplus{C\kern-\p@++}
  33 \def\Csharp{C\#}
  34
  35 %% Special maths notation.
  36 \def\chain#1#2{\mathsf{ch}_{#1}(#2)}
  37 \def\chainhead#1#2{\mathsf{hd}_{#1}(#2)}
  38 \def\chaintail#1#2{\mathsf{tl}_{#1}(#2)}
  39
  40 %% Other mathematical tweaks.
  41 \let\implies\Rightarrow
  42 \let\epsilon\varepsilon
  43
  44 %% A table heading cell.  Clone and hack \multicolumn.
  45 \def\thd{\omit\@ifnextchar[\thd@{\thd@[l]}}
  46 \def\thd@[#1]#2{%
  47   \begingroup
  48     \tab@multicol \tab@initread \let\tab@looped\tab@err@multi
  49     \tab@preamble{}\def\tab@midtext{\bfseries#2}\tab@readpreamble{#1}%
  50     \the\tab@preamble
  51   \endgroup \ignorespaces
  52 }
  53
  54 %% Unix manpage references.
  55 \def\man#1#2{\textbf{#1}(#2)}
  56
  57 %% Listings don't need to be small.
  58 \let\listingsize\relax
  59
  60 %% Notes for later.
  61 \def\fixme#1{\leavevmode\marginpar{FIXME}\index{FIXME}[FIXME: #1]}
  62
  63 %% Diagram settings.
  64 \tikzset{
  65   every picture/.style={>=stealth, thick},
  66   lit/.style={font=\sffamily}
  67 }
  68
  69 %% Metavariables are italics without decoration.
  70 \def\syntleft{\normalfont\itshape}
  71 \let\syntright\empty
  72
  73 %% Literal code is in sans face.
  74 \def\codeface{\upshape\sffamily}
  75 \DeclareRobustCommand\code[1]{%
  76   \ifmmode\hbox\else\leavevmode\fi%
  77   {\normalfont\codeface\/#1\/}%
  78 }
  79 \def\ulitleft{\normalfont\codeface}
  80 \let\ulitright\empty
  81 \def\lit@i#1#2#3{\ifmmode\leavevmode\hbox\fi{#1{#3\/}#2}}
  82
  83 %% Conditionally enter maths mode.  Can't use \ensuremath here because we
  84 %% aren't necessarily sure where the maths will actually end.
  85 \let\m@maybe@end\relax
  86 \def\m@maybe{\ifmmode\else$\let\m@maybe@end$\fi}
  87
  88 %% Standard syntax shortcuts.
  89 \atdef <#1>{\synt{#1}\@scripts}
  90 \atdef "#1"{\lit*{#1}\@scripts}
  91 \atdef `#1'{\lit{#1}\@scripts}
  92 \atdef |#1|{\lit*{#1}\@scripts}
  93
  94 %% A handy abbreviation; `\\' itself is too good to steal.
  95 \atdef \\{\textbackslash}
  96
  97 %% Intercept grammar typesetting and replace the vertical bar with the
  98 %% maths-font version.
  99 \let\@@grammar\grammar
 100 \def\grammar{\def\textbar{\hbox{$|$}}\@@grammar}
 101
 102 %% Collect super- and subscripts.  (Note that underscores are active for the
 103 %% most part.)  When we're done, end maths mode if we entered it
 104 %% conditionally.
 105 \def\@scripts{\futurelet\@ch\@scripts@i}
 106 \begingroup\lccode`\~=`\_\lowercase{\endgroup
 107 \def\@scripts@i{\if1\ifx\@ch~1\else\ifx\@ch^1\else0\fi\fi%
 108   \expandafter\@scripts@ii\else\expandafter\m@maybe@end\fi}}
 109 \def\@scripts@ii#1#2{\m@maybe#1{#2}\@scripts}
 110
 111 %% Doubling characters, maybe.  Either way, chain onto \@scripts.
 112 \def\dbl@maybe#1{\let\@tempa#1\futurelet\@ch\dbl@maybe@i}
 113 \def\dbl@maybe@i{\m@maybe\ifx\@ch\@tempa\@tempa\!\@tempa%
 114   \expandafter\@firstoftwo\expandafter\@scripts%
 115   \else\@tempa\expandafter\@scripts\fi}
 116
 117 %% Extra syntax for Lisp templates.  These produce the maths-font versions of
 118 %% characters, which should contrast well against the sans face used for
 119 %% literals.
 120 \atdef [{\dbl@maybe[}
 121 \atdef ]{\dbl@maybe]}
 122 \atdef {{\m@maybe\{\@scripts}
 123 \atdef }{\m@maybe\}\@scripts}
 124 \atdef ({\m@maybe(\@scripts}
 125 \atdef ){\m@maybe)\@scripts}
 126 \atdef !{\m@maybe|\@scripts}
 127 \def\returns{\m@maybe\longrightarrow\m@maybe@end\hspace{0.5em}\ignorespaces}
 128 \atdef >{\leavevmode\unskip\hspace{0.5em}\returns}
 129 \atdef -#1{\if>#1\hbox{--\raisebox{.4pt}{>}}\penalty200\relax\fi}
 130
 131 %% Comment setting.
 132 \def\comment#1{\mbox{\normalfont\itshape\/#1\/}}
 133 \atdef /*#1*/{/*\comment{#1}*/}
 134 \def\@semis{\@ifnextchar;{;\@semis}\@semicomment}
 135 \def\@semicomment#1\\{\comment{#1}\\}
 136 \atdef ;#1\\{;\@semis}
 137
 138 %% Environment for setting programs.  Newlines are explicit, because
 139 %% otherwise I need comments in weird places to make the vertical spacing
 140 %% come out properly.  You can write `\obeylines' if you really want to.
 141 \def\@prog{\let\prog@@cr\@tabcr\let\@tabcr\@progcr\codeface\tabbing}
 142 \def\prog{\quote\@prog}
 143 \def\endprog{\endtabbing\endquote}
 144 \let\nprog\@prog
 145 \let\endnprog\endtabbing
 146 \def\ind{\quad\=\+\kill}
 147 \def\@progcr{\futurelet\@tempa\@progcr@i}
 148 {\def\:{\gdef\@progcr@sp}\: {\@progcr}}
 149 \atdef~{\textasciitilde}
 150 \def\@progcr@i{%
 151   \ifx\@tempa\@sptoken\let\next@\@progcr@sp\else
 152   \if1\ifx\@tempa[1\else
 153       \ifx\@tempa*1\else
 154       0\fi\fi
 155     \let\next@\prog@@cr\else
 156   \if1\ifx\@tempa+1\else
 157       \ifx\@tempa-1\else
 158       0\fi\fi
 159     \let\next@\@progcr@ii\else
 160   \let\next@\@progcr@a\fi\fi\fi
 161   \next@}
 162 \def\@progcr@a{\prog@@cr*{}\ignorespaces}
 163 \def\@progcr@ii#1{\csname @progcr@#1\endcsname\ignorespaces}
 164 \@namedef{@progcr@+}{\prog@@cr[\medskipamount]}
 165 \@namedef{@progcr@-}{\prog@@cr*[\jot]}
 166 \def\macsl{\`\textbackslash\hskip\leftmargin}
 167
 168 %% Put a chunk of text in a box.
 169 \newenvironment{boxy}[1][\q@]{%
 170   \savenotes
 171   \dimen@\linewidth\advance\dimen@-1.2pt\advance\dimen@-2ex%
 172   \medskip%
 173   \vbox\bgroup\hrule\hbox\bgroup\vrule%
 174   \vbox\bgroup\vskip1ex\hbox\bgroup\hskip1ex\minipage\dimen@%
 175   \def\@temp{#1}\ifx\@temp\q@\else\leavevmode{\headfam\bfseries#1\quad}\fi%
 176 }{%
 177   \endminipage\hskip1ex\egroup\vskip1ex\egroup%
 178   \vrule\egroup\hrule\egroup%
 179   \medskip%
 180   \spewnotes%
 181 }
 182
 183 %% Lisp documentation machinery.
 184 \def\definedescribecategory#1#2{\@namedef{cat!#1}##1{#2}}
 185 \def\describecategoryname{\@ifnextchar[\@descname@i{\@descname@i[]}}
 186 \def\@descname@i[#1]#2{%
 187   \expandafter\let\expandafter\@tempa\csname cat!#2\endcsname%
 188   \expandafter\let\expandafter\@tempb\csname descmod/#1\endcsname%
 189   \ifx\@tempa\relax\@tempb{#2}\else\@tempa\@tempb\fi}
 190 \def\@maybe@modlabel#1#2{\if!#1!\else#1/\fi#2}
 191
 192 \definedescribecategory{sym}{symbol}
 193 \definedescribecategory{fun}{#1{function}}
 194 \definedescribecategory{gf}{generic #1{function}}
 195 \definedescribecategory{msg}{message}
 196 \definedescribecategory{var}{variable}
 197 \definedescribecategory{modvar}{module variable}
 198 \definedescribecategory{const}{constant}
 199 \definedescribecategory{meth}{primary #1{method}}
 200 \definedescribecategory{ar-meth}{\code{:around} #1{method}}
 201 \definedescribecategory{be-meth}{\code{:before} #1{method}}
 202 \definedescribecategory{af-meth}{\code{:after} #1{method}}
 203 \definedescribecategory{cls}{class}
 204 \definedescribecategory{rst}{restart}
 205 \definedescribecategory{ty}{type}
 206 \definedescribecategory{type}{type}
 207 \definedescribecategory{mac}{#1{macro}}
 208 \definedescribecategory{lmac}{local #1{macro}}
 209 \definedescribecategory{parse}{parser spec}
 210 \definedescribecategory{parseform}{parser form}
 211 \definedescribecategory{opt}{option handler}
 212 \definedescribecategory{optmac}{option macro}
 213 \definedescribecategory{plug}{pluggable parser}
 214 \def\nlret{\\\hspace{4em}\returns}
 215
 216 \@namedef{descmod/}#1{#1}
 217
 218 \@namedef{descmod/setf}#1{\code{setf}-#1}
 219
 220 \def\q@{\q@}
 221 \def\@setf{setf}
 222
 223 %% \parse@dhd{NEXT}{CAT}[NAME]{SYNOPSIS}
 224 %% call NEXT{MOD}{CAT}{NAME}{SYNOPSIS}
 225 %%            #1   #2   #3      #4
 226 \def\parse@dhd#1#2{%  {NEXT}{CAT}
 227   \@ifnextchar[{\parse@dhd@cc{#1}{#2}}{\parse@dhd@cd{#1}{#2}}}
 228 \def\parse@dhd@cc#1#2[#3]#4{%  {NEXT}{CAT}[NAME]{SYNOPSIS}
 229   #1{}{#2}{#3}{#4}}
 230 \def\parse@dhd@cd#1#2#3{%  {NEXT}{CAT}{SYNOPSIS}
 231   \parse@dhd@ce{#1}{#2}{#3}#3 \q@}
 232 \def\parse@dhd@ce#1#2#3#4 #5\q@{%
 233   % {NEXT}{CAT}{SYNOPSIS}NAME [ARGS...]\q@
 234   \def\temp@{#4}%
 235   \ifx\temp@\@setf\def\next@{\parse@dhd@csetf{#1}{#2}{#3}#5 \q@}%
 236   \else\def\next@{#1{}{#2}{#4}{#3}}\fi%
 237   \next@%
 238 }
 239 \def\parse@dhd@csetf#1#2#3(#4 #5\q@{%
 240   % {NEXT}{CAT}{SYNOPSIS}(NAME [ARGS...])\q@
 241   #1{setf}{#2}{#4}{#3}}
 242
 243 \newif\if@dheadfirst
 244 \def\dhead{\parse@dhd\dhead@}
 245 \def\dhead@#1#2#3#4{%  {}{CAT}{NAME}{SYNOPSIS}
 246   \if@dheadfirst\global\@dheadfirstfalse\else\relax\\[\smallskipamount]\fi%
 247   {\let\protect\@empty\let\@uscore\relax%
 248    \edef\temp@{#2:\@maybe@modlabel{#1}{#3}}%
 249    \def\@uscore{_\@gobble}\message{\temp@}%
 250    \def\@uscore{-\@gobble}\label{\temp@}}%
 251   {\begingroup\lccode`\~=`\_\lowercase{\endgroup\def~{_}}%
 252    \protected@edef\@tempa##1{%
 253      \noexpand\index{%
 254        #3@{\noexpand\code{#3}}!%
 255        \protect\describecategoryname[#1]{#2}%
 256        ##1%
 257      }%
 258    }%
 259    \toks@\expandafter{\after@desc}%
 260    \toks\tw@\expandafter{\@tempa{|)}}%
 261    \xdef\after@desc{\the\toks@\the\toks\tw@}%
 262    \@tempa{|(}}%
 263   \rlap{\hb@xt@\linewidth{\hfil\normalfont\bfseries
 264       [\describecategoryname[#1]{#2}]}}%
 265   #4%
 266 }
 267
 268 \def\desc@begin#1{%
 269   \let\saved@after@desc\after@desc%
 270   \gdef\after@desc{}%
 271   \normalfont%
 272   \if@nobreak\else\par\goodbreak\fi%
 273   \global\@dheadfirsttrue%
 274   \begingroup%
 275     \let\@endparenv\relax%
 276     \clubpenalty\@M \widowpenalty\@M \interlinepenalty50%
 277     \@prog#1\endtabbing%
 278   \endgroup%
 279   \penalty\@M\@afterheading%
 280   \list{}{\rightmargin\z@\topsep\z@}\item%
 281 }
 282 \def\desc@end{\endlist\after@desc\global\let\after@desc\saved@after@desc}
 283
 284 \@namedef{describe*}#1{\desc@begin{#1}}
 285 \expandafter\let\csname enddescribe*\endcsname\desc@end
 286 \def\describe{\parse@dhd\desc@}
 287 \def\desc@#1#2#3#4{\desc@begin{\dhead@{#1}{#2}{#3}{#4}}}
 288 \let\enddescribe\desc@end
 289
 290 \def\descref#1{\@ifnextchar[{\descref@i{#1}}{\descref@ii{#1}{}}}
 291 \def\descref@i#1[#2]{\descref@ii{#1}{ #2}}
 292 \def\descref@ii#1#2#3{%
 293   \code{#1}#2 (page~%
 294   {\let\protect\@empty%
 295    \def\@uscore{-\@gobble}\edef\@tempa{\noexpand\pageref{#3:#1}}\@tempa}%
 296   )%
 297 }
 298
 299 %%%----- That's all, folks --------------------------------------------------
 300 \endinput