-
Notifications
You must be signed in to change notification settings - Fork 11
/
cwebacromac.tex
206 lines (199 loc) · 9.32 KB
/
cwebacromac.tex
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
% hypertext macros for CWEB listings (in addition to cwebmac.tex)
% Used in cwebmac.tex, pdfctwimac.tex, pdfproofmac.tex
% Version 3.0 --- August 2024
\ifx\ifacrohint\undefined\endinput\fi % these are not standalone macros
\ifluatex % LuaTeX is almost like pdfTeX
\protected\def\pdfliteral {\pdfextension literal}
\protected\def\pdfstartlink {\pdfextension startlink\space}
\protected\def\pdfendlink {\pdfextension endlink}
\protected\def\pdfoutline {\pdfextension outline\space}
\protected\def\pdfdest {\pdfextension dest\space}
\protected\def\pdfcatalog {\pdfextension catalog}
\edef\pdfhorigin {\pdfvariable horigin}
\edef\pdfvorigin {\pdfvariable vorigin}
\let\pdfpagewidth=\pagewidth
\let\pdfpageheight=\pageheight
\let\pdfoutput=\outputmode
\fi % end of LuaTeX->pdfTeX redirection macros
\def\tocpages{1} % Most programs have one-page Table-of-Contents
\def\startpdf{\def\pagemode{/PageMode /UseOutlines}
\ifnum\contentspagenumber=0 \advance \pageno by -\tocpages
\def\pagelabels{/PageLabels << /Nums [ 0 << /S/D/St \tocpages >>
\the\pageno << /P(Contents) >> ] >>}
\else \twodigits=\pageno \pageno=\contentspagenumber
\advance \pageno by \tocpages \advance \twodigits by -\pageno
\def\pagelabels{/PageLabels << /Nums [ 0 << /S/D/St \the\pageno >>
\the\twodigits << /S/D/St \contentspagenumber >> ] >>}
\fi
\ifpdflua\pdfcatalog{\pagemode\space\pagelabels}
\else\special{pdf: docview << \pagemode\space\pagelabels >>}\fi}
\ifacrohint\def\digits{\pdflink{\the\countA}\scan}
\else\def\digits{{\the\countA}\scan}\fi
\def\scan#1{\begingroup
\ifx!#1% exit on exclamation point
\else\ifx,#1,\space\aftergroup\scan % insert ,\space}\scan ...
\else\ifx\[#1\aftergroup#1% insert }\[...
\else\ifx\*#1\aftergroup\lapstar\aftergroup\scan % insert }\lapstar\scan ...
\else\ifnum`#1>`9#1\aftergroup\scan % insert #1}\scan ...
\else\ifnum`#1<`0#1\aftergroup\scan % insert #1}\scan ...
\else
\afterassignment\digits \aftergroup\countA
\aftergroup#1% insert }\countA=#1...\digits ...
\fi\fi\fi\fi\fi \fi
\endgroup}
% Local variables; there are a few externals like '\toksA' and '\countA'
\newtoks\toksB \newtoks\toksC \newtoks\toksD \newtoks\toksF \newtoks\sanitizer
\newif\iftokprocessed \newif\ifTnum \newif\ifinstr \newif\ifhavenum
\ifacrohint % Common macros for \ifacro and \ifhint to create \pdflink's
\def\pdfnote#1.{\setbox0=\hbox{\toksA={#1.}\toksB={}\maketoks}\the\toksA}
\def\firstsecno#1.{\setbox0=\hbox{\toksA={#1.}\toksB={}%
\def\makenote{\addtokens\toksB{\the\toksC}\def\makenote{\let\space\empty
\toksC={}\toksD={}}\makenote}\maketoks}}
\def\addtokens#1#2{\edef\addtoks{\noexpand#1={\the#1#2}}\addtoks}
\def\poptoks#1#2|ENDTOKS|{\let\first=#1\toksD={#1}\toksA={#2}%
\ifcat\noexpand\first0\countB=`#1\else\countB=0\fi}
\def\maketoks{\expandafter\poptoks\the\toksA|ENDTOKS|%
\let\next=\maketoks % continue processing by default
\ifnum\countB>`9 \countB=0 \fi
\ifnum\countB<`0
\ifhavenum\makenote\fi
\ifx\first.\let\next=\maketoksdone % fullstop
\else \addtokens\toksB{\the\toksD} \ifx\first,\addtokens\toksB{\space}\fi
\fi
\else \addtokens\toksC{\the\toksD}\global\havenumtrue
\fi
\next
}
\def\makenote{\addtokens\toksB
{\noexpand\pdflink{\the\toksC}}\toksC={}\global\havenumfalse}
\def\maketoksdone{\edef\st{\global\noexpand\toksA={\the\toksB}}\st}
\fi % End of common pdf/hint macros
\ifacro % The following are general pdf macros
\def\thewidth{\the\wd0 \space}
\def\theheight{\the\ht\strutbox\space}
\def\thedepth{\the\dp\strutbox\space}
\ifpdflua
\ifx\pdfannotlink\undefined\let\pdfannotlink\pdfstartlink\fi% for pdfTeX 0.14
\def\pdflink#1{\hbox{\pdfannotlink height \theheight depth \thedepth
attr{/Border [0 0 0]} goto num #1 \Blue #1\Black\pdfendlink}} % changed 3.69
\else\def\pdflink#1{\setbox0=\hbox{\special{pdf: bc [ \pdflinkcolor ]}{#1}%
\special{pdf: ec}}\special{pdf: ann width \thewidth height \theheight
depth \thedepth << /Type /Annot /Subtype /Link /Border [0 0 0]
/A << /S /GoTo /D (\romannumeral#1) >> >>}\box0\relax}
\fi
\def\sanitizecommand#1#2{\addtokens\sanitizer
{\noexpand\dosanitizecommand\noexpand#1{#2}}}
\def\dosanitizecommand#1#2{\ifx\nxt#1\addF{#2}\fi}
\catcode`\[=1 \catcode`\]=2 \catcode`\{=12 \catcode`\}=12
\def\lbchar[{] \def\rbchar[}]
\catcode`\[=12 \catcode`\]=12 \catcode`\{=1 \catcode`\}=2
\catcode`\~=12 \def\tildechar{~} \catcode`\~=13
\catcode`\|=0 |catcode`|\=12 |def|bschar{\} |catcode`|\=0 \catcode`\|=12
\def\makeoutlinetoks{\toksF={}\Tnumfalse
\afterassignment\makeolproctok\let\nxt= }
\def\makeolnexttok{\afterassignment\makeolproctok\let\nxt= }
\def\makeolgobbletok{\afterassignment\makeolnexttok\let\nxt= }
\def\addF#1{\addtokens\toksF{#1}\tokprocessedtrue}
% now comes a routine to "sanitize" section names, for pdf outlines
\def\makeolproctok{\tokprocessedfalse
\let\next\makeolnexttok % default
\ifx\nxt\outlinedone\let\next\outlinedone
\else\ifx{\nxt \else\ifx}\nxt \Tnumfalse \instrfalse % skip braces
\else\ifx$\nxt % or a $ sign
\else\ifx^\nxt \addF^\else\ifx_\nxt \addF_% sanitize ^ and _
\else\ifx\nxt\spacechar \addF\space
\else\if\noexpand\nxt\relax % we have a control sequence; is it one we know?
\ifx\nxt~\addF\space
\else\ifx\nxt\onespace\addF\space
\else\the\sanitizer
\iftokprocessed\else\makeolproctokctli
\iftokprocessed\else\makeolproctokctlii
\iftokprocessed\else\makeolproctokctliii % if not recognised, skip it
\fi\fi\fi
\fi\fi
\else % we don't have a control sequence, it's an ordinary char
\ifx/\nxt \addF{\string\/}% quote chars special to PDF with backslash
\else\ifx(\nxt \addF{\string\(}\else\ifx)\nxt \addF{\string\)}%
\else\ifx[\nxt \addF{\string\[}\else\ifx]\nxt \addF{\string\]}%
\else\expandafter\makeolproctokchar\meaning\nxt
\fi\fi\fi\fi\fi
\fi\fi\fi\fi\fi \fi\fi\fi
\next
}
\def\makeolproctokchar#1 #2 #3{\addF{#3}}
\def\makeolproctokctli{%
\ifx\nxt\CEE\addF{C}\let\next\makeolgobbletok % \CEE/
\else\ifx\nxt\UNIX\addF{UNIX}\let\next\makeolgobbletok % \UNIX/
\else\ifx\nxt\TEX\addF{TeX}\let\next\makeolgobbletok % \TEX/
\else\ifx\nxt\TeX\addF{TeX}\else\ifx\nxt\LaTeX\addF{LaTeX}%
\else\ifx\nxt\CPLUSPLUS\addF{C++}\let\next\makeolgobbletok % \CPLUSPLUS/
\else\ifx\nxt\Cee\addF{C}%
\else\ifx\nxt\PB \let\next\makeolgobbletok \tokprocessedtrue % \PB{...}
\else\ifx\nxt\.\tokprocessedtrue\instrtrue % \.{...}
% skip \|
\else\ifx\nxt\\\ifinstr\addF{\bschar\bschar}\else\tokprocessedtrue\fi
\else\ifx\nxt\&\ifinstr\addF&\else\tokprocessedtrue\fi
\else\ifx\nxt\~\ifTnum\addF{0}\else\addF\tildechar\fi % 077->\T{\~77}
\else\ifx\nxt\_\ifTnum\addF{E}\else\addF_\fi % 0.1E5->\T{0.1\_5}
\else\ifx\nxt\^\ifTnum\addF{0x}\else\addF^\fi % 0x77 -> \T{\^77}
\else\ifx\nxt\\\\\ifTnum\addF{0b}\else\addF\\\fi % 0b10111 -> \T{\\10111}
\else\ifx\nxt\$\ifTnum\tokprocessedtrue\else\addF$\fi %$% \T{77\$L}
\else\ifx\nxt\{\addF\lbchar\else\ifx\nxt\}\addF\rbchar
\else\ifx\nxt\ \addF\space\else\ifx\nxt\#\addF{\string\#}%
\else\ifx\nxt\PP\addF{++}\else\ifx\nxt\MM\addF{--}%
\fi\fi\fi\fi\fi \fi\fi\fi\fi\fi
\fi\fi\fi\fi\fi \fi\fi\fi\fi\fi
\fi\fi
}
\def\makeolproctokctlii{%
\ifx\nxt\MG\addF{->}\else\ifx\nxt\GG\addF{>>}%
\else\ifx\nxt\LL\addF{<<}\else\ifx\nxt\NULL\addF{NULL}%
\else\ifx\nxt\AND\addF&\else\ifx\nxt\OR\addF|%
\else\ifx\nxt\XOR\addF^\else\ifx\nxt\CM\addF\tildechar
\else\ifx\nxt\MOD\addF{\string\%}\else\ifx\nxt\DC\addF{::}%
\else\ifx\nxt\PA\addF{.*}\else\ifx\nxt\MGA\addF{->*}%
\else\ifx\nxt\this\addF{this}\else\ifx\nxt\?\addF?%
\else\ifx\nxt\E\addF{==}\else\ifx\nxt\G\addF{>=}%
\else\ifx\nxt\I\addF{!=}\else\ifx\nxt\K\addF{=}%
\else\ifx\nxt\l\addF{l}\else\ifx\nxt\L\addF{L}%
\else\ifx\nxt\o\addF{o}\else\ifx\nxt\O\addF{O}%
\else\ifx\nxt\R\addF!%
\else\ifx\nxt\T \Tnumtrue \let\next\makeolgobbletok
\tokprocessedtrue % \T{number}
\else\ifx\nxt\AM\addF&\else\ifx\nxt\%\addF{\string\%}%
\fi\fi\fi\fi\fi \fi\fi\fi\fi\fi
\fi\fi\fi\fi\fi \fi\fi\fi\fi\fi
\fi\fi\fi\fi\fi \fi
}
\def\makeolproctokctliii{%
\ifx\nxt\V\addF{||}\else\ifx\nxt\W\addF{&&}\else\ifx\nxt\Z\addF{<=}%
\else\ifx\nxt\*\addF*\else\ifx\nxt\Xand\addF{\space and\space}%
\else\ifx\nxt\Xandxeq\addF{\space and_eq\space}%
\else\ifx\nxt\Xbitand\addF{\space bitand\space}%
\else\ifx\nxt\Xbitor\addF{\space bitor\space}%
\else\ifx\nxt\Xcompl\addF{\space compl\space}%
\else\ifx\nxt\Xnot\addF{\space not\space}%
\else\ifx\nxt\Xnotxeq\addF{\space not_eq\space}%
\else\ifx\nxt\Xor\addF{\space or\space}%
\else\ifx\nxt\Xorxeq\addF{\space or_eq\space}%
\else\ifx\nxt\Xxor\addF{\space xor\space}%
\else\ifx\nxt\Xxorxeq\addF{\space xor_eq\space}%
\fi\fi\fi\fi\fi \fi\fi\fi\fi\fi
\fi\fi\fi\fi\fi
}
\def\outlinedone{\edef\outlinest{\global\noexpand\toksE={\the\toksF}}%
\outlinest\let\outlinedone=\relax\outlinedone}
\fi % End of pdf macros
\ifhint
% The following top level macros use HINT primitives to implement:
% \HINThome to mark the position of the home page
% \HINTlabel to attach a label to the top of a section
% \HINTlink to link a section number to the section label
% \HINTcontents to produce an 'outline' item
\def\HINThome{\HINTdest name {HINT.home}%
\HINToutline goto name {HINT.home} depth 1 {Table of Contents}}
\def\HINTlabel{{\let\*=\empty\HINTdest num \secstar top}}
\def\HINTlink#1{\HINTstartlink goto num #1 {#1}\HINTendlink}
\def\HINTcontents#1#2#3{\HINToutline goto num #3 depth #2 {#1}}
\let\pdflink=\HINTlink
\fi % End of HINT macros