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Update eclistings.sty (math style) #1082

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55 changes: 53 additions & 2 deletions assets/latex/eclistings.sty
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,14 @@
\RequirePackage{xcolor}
\RequirePackage{xparse}

\providecommand\sample{\leftarrow\mathrel{\mkern-2.0mu}\pc@smalldollar}
\newcommand{\pc@smalldollar}{\mathrel{\mathpalette\pc@small@dollar\relax}}
\newcommand{\pc@small@dollar}[2]{%
\vcenter{\hbox{%
$#1\textnormal{\fontsize{\dimexpr\f@size pt}{0}\selectfont\$\hskip-0.05em plus 0.5em}$%
}}%
}

% EasyCrypt % Language
\lstdefinelanguage{easycrypt}{%
sensitive=true, % Case sensitive keywords
Expand All @@ -28,7 +36,7 @@
elim, eta, exfalso, exlim, fel, field, fieldeq, fission, fusion, gen, have,
idassign, idtac, inline, interleave, iota, kill, left, logic, modpath, move,
outline, pose, pr_bounded, progress, rcondf, rcondt, replace, rewrite, right,
ring, ringeq, rnd, rndsem, rwnormal, seq, sim, simplify, skip, sp, split,
ring, ringeq, rnd, rndsem, rwnormal, seq, sim, simplify, skip, sp,
splitwhile, subst, suff, swap, symmetry, transitivity, trivial, unroll,
weakmem, wlog, wp, zeta
},
Expand All @@ -49,6 +57,12 @@
}

% Style (base/default)
% We wrap the style definition in a catcode-change group so that `$` in the
% `literate=` trigger (`<$`) is parsed as a regular character rather than a
% math-shift token. Outputs use \ensuremath{...} so they are unaffected by
% the catcode change.
\begingroup
\catcode`\$=12\relax
\lstdefinestyle{easycrypt-base}{%
% Frame
captionpos=t, % Position caption at top (mirroring what's typical for algorithms)
Expand All @@ -63,13 +77,50 @@
tabsize=2, % Tabstops every 2 spaces
mathescape=false, % Don't allow escaping to LaTeX with $
showstringspaces=false, % Don't print characters for spaces
extendedchars=true, % Allow non-ASCII (UTF-8) literate triggers
% Line numbers
numbers=none, % No line numbers
% Basic style
basicstyle={\normalsize\ttfamily},
% Style for (non-keyword) identifiers
identifierstyle={},
% Math/symbol substitutions
% ASCII triggers (rendered in any listing without source change)
literate=%
{<-}{\ensuremath{\gets}}{2}%
{<$}{\ensuremath{\sample}}{2}%
{->}{\ensuremath{\to}}{2}%
{=>}{\ensuremath{\Rightarrow}}{2}%
{<=}{\ensuremath{\le}}{2}%
{>=}{\ensuremath{\ge}}{2}%
{<>}{\ensuremath{\neq}}{2}%
{!=}{\ensuremath{\neq}}{2}%
% Unicode triggers (must be typed explicitly in source)
{∈}{\ensuremath{\in}}{1}%
{∉}{\ensuremath{\notin}}{1}%
{∪}{\ensuremath{\cup}}{1}%
{∩}{\ensuremath{\cap}}{1}%
{∅}{\ensuremath{\emptyset}}{1}%
{∖}{\ensuremath{\setminus}}{1}%
{⊑}{\ensuremath{\sqsubseteq}}{1}%
{⊓}{\ensuremath{\sqcap}}{1}%
{⊥}{\ensuremath{\bot}}{1}%
{∀}{\ensuremath{\forall}}{1}%
{∃}{\ensuremath{\exists}}{1}%
{↦}{\ensuremath{\mapsto}}{1}%
{←}{\ensuremath{\gets}}{1}%
{→}{\ensuremath{\to}}{1}%
{⇒}{\ensuremath{\Rightarrow}}{1}%
{≤}{\ensuremath{\le}}{1}%
{≥}{\ensuremath{\ge}}{1}%
{≠}{\ensuremath{\neq}}{1}%
{≡}{\ensuremath{\equiv}}{1}%
{×}{\ensuremath{\times}}{1}%
{·}{\ensuremath{\cdot}}{1}%
{𝟙}{\ensuremath{\mathds{1}}}{1}%
{𝒰}{\ensuremath{\mathcal{U}}}{1}%
}
\endgroup

% Define default colors based on availability of colorblind colors
\@ifpackageloaded{colorblind}{
Expand Down Expand Up @@ -152,4 +203,4 @@
\ecinl[#1]{#2}[basicstyle={\footnotesize\ttfamily},#3]%
}

\endinput
\endinput
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