%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -*- Mode: Latex -*- %%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% 
%% Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo
%%
%% The contents of this file are covered under the licence agreement in the
%% file "LICENCE" distributed with Cforall.
%% 
%% common.tex -- 
%% 
%% Author           : Peter A. Buhr
%% Created On       : Sat Apr  9 10:06:17 2016
%% Last Modified By : Peter A. Buhr
%% Last Modified On : Wed May  4 08:01:10 2016
%% Update Count     : 54
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

% Names used in the document.

\newcommand{\CFA}{C$\mathbf\forall$\xspace}              % set language symbolic name
\newcommand{\CFL}{Cforall\xspace}                        % set language text name
\newcommand{\CC}{C\kern-.1em\hbox{+\kern-.25em+}\xspace} % CC symbolic name
\def\c11{ISO/IEC C} % C11 name (cannot have numbers in latex command name)

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\makeatletter
% allow escape sequence in lstinline
%\usepackage{etoolbox}
%\patchcmd{\lsthk@TextStyle}{\let\lst@DefEsc\@empty}{}{}{\errmessage{failed to patch}}

% make fontsize "small" slightly larger, specifically for san serif (helvetica) in program code
\renewcommand\small{%
   \@setfontsize\small{8.5}{11}%
   \abovedisplayskip 8.5pt \@plus 3pt \@minus 4pt
   \abovedisplayshortskip \z@ \@plus 2pt
   \belowdisplayshortskip 4pt \@plus 2pt \@minus 2pt
   \def\@listi{\leftmargin\leftmargini
               \topsep 4pt \@plus 2pt \@minus 2pt
               \parsep 2pt \@pluspt \@minuspt
               \itemsep \parsep}%
   \belowdisplayskip \abovedisplayskip
}
\usepackage{relsize}                                    % must be after change to small or selects old size

% reduce size of chapter/section titles
\def\@makechapterhead#1{%
  \vspace*{50\p@}%
  {\parindent \z@ \raggedright \normalfont
    \ifnum \c@secnumdepth >\m@ne
        \large\bfseries \@chapapp\space \thechapter
        \par\nobreak
        \vskip 5\p@
    \fi
    \interlinepenalty\@M
    \Large \bfseries #1\par\nobreak
    \vskip 50\p@
  }}
\def\@makeschapterhead#1{%
  \vspace*{50\p@}%
  {\parindent \z@ \raggedright
    \normalfont
    \interlinepenalty\@M
    \Large \bfseries  #1\par\nobreak
    \vskip 50\p@
  }}
\renewcommand\section{\@startsection{section}{1}{\z@}{-3.5ex \@plus -1ex \@minus -.2ex}{2.3ex \@plus .2ex}{\normalfont\large\bfseries}}
\renewcommand\subsection{\@startsection{subsection}{2}{\z@}{-3.25ex \@plus -1ex \@minus -.2ex}{1.5ex \@plus .2ex}{\normalfont\normalsize\bfseries}}
\renewcommand\subsubsection{\@startsection{subsubsection}{3}{\z@}{-2.5ex \@plus -1ex \@minus -.2ex}{1.0ex \@plus .2ex}{\normalfont\normalsize\bfseries}}
\renewcommand\paragraph{\@startsection{paragraph}{4}{\z@}{-2.0ex \@plus -1ex \@minus -.2ex}{-1em}{\normalfont\normalsize\bfseries}}

% index macros
\newcommand{\italic}[1]{\emph{\hyperpage{#1}}}
\newcommand{\definition}[1]{\textbf{\hyperpage{#1}}}
\newcommand{\see}[1]{\emph{see} #1}

% reduce bullet size and spacing for "itemize" macro
\renewcommand{\labelitemi}{{\raisebox{0.25ex}{\footnotesize$\bullet$}}}
\renewenvironment{itemize}{\begin{list}{\labelitemi}{\topsep=5pt\itemsep=5pt\parsep=0pt}}{\end{list}}

% Define some commands that produce formatted index entries suitable for cross-references.
% ``\spec'' produces entries for specifications of entities.  ``\impl'' produces entries for their
% implementations, and ``\use'' for their uses.

%  \newcommand{\bold}[1]{{\bf #1}}
%  \def\spec{\@bsphack\begingroup
%             \def\protect##1{\string##1\space}\@sanitize
%             \@wrxref{|bold}}
\def\impl{\@bsphack\begingroup
          \def\protect##1{\string##1\space}\@sanitize
          \@wrxref{|definition}}
\newcommand{\indexcode}[1]{{\lstinline$#1$}}
\def\use{\@bsphack\begingroup
         \def\protect##1{\string##1\space}\@sanitize
         \@wrxref{|hyperpage}}
\def\@wrxref#1#2{\let\thepage\relax
    \xdef\@gtempa{\write\@indexfile{\string
    \indexentry{#2@{\lstinline$#2$}#1}{\thepage}}}\endgroup\@gtempa
    \if@nobreak \ifvmode\nobreak\fi\fi\@esphack}
%\newcommand{\use}[1]{\index{#1@{\lstinline$#1$}}}
%\newcommand{\impl}[1]{\index{\protect#1@{\lstinline$\protect#1$}|definition}}

% inline text and lowercase index: \Index{inline and lowercase index text}
% inline text and as-in index: \Index[as-is index text]{inline text}
% inline text but index with different as-is text: \Index[index text]{inline text}
\newcommand{\Index}{\@ifstar\@sIndex\@Index}
\newcommand{\@Index}[2][\@empty]{\lowercase{\def\temp{#2}}#2\ifx#1\@empty\index{\temp}\else\index{#1@{\protect#2}}\fi}
\newcommand{\@sIndex}[2][\@empty]{#2\ifx#1\@empty\index{#2}\else\index{#1@{\protect#2}}\fi}

\newcommand{\Indexc}[1]{\lstinline$#1$\index{#1@\lstinline$#1$}}
\newcommand{\indexc}[1]{\index{#1@\lstinline$#1$}}

\newcommand{\newtermFontInline}{\emph}
\newcommand{\newterm}{\@ifstar\@snewterm\@newterm}
\newcommand{\@newterm}[2][\@empty]{\lowercase{\def\temp{#2}}{\newtermFontInline{#2}}\ifx#1\@empty\index{\temp}\else\index{#1@{\protect#2}}\fi}
\newcommand{\@snewterm}[2][\@empty]{{\newtermFontInline{#2}}\ifx#1\@empty\index{#2}\else\index{#1@{\protect#2}}\fi}
\makeatother

\newenvironment{quote2}{%
	\list{}{\lstset{resetmargins=true}\leftmargin=\parindent\rightmargin\leftmargin}%
	\item\relax
}{%
	\endlist
}% quote2
\newenvironment{rationale}{%
  \begin{quotation}\noindent$\Box$\enspace
}{%
  \hfill\enspace$\Box$\end{quotation}
}%

% blocks and titles
\newcommand{\define}[1]{\emph{#1\/}\index{#1}}
\newcommand{\rewriterules}{\paragraph{Rewrite Rules}~\par\noindent}
\newcommand{\examples}{\paragraph{Examples}~\par\noindent}
\newcommand{\semantics}{\paragraph{Semantics}~\par\noindent}
\newcommand{\constraints}{\paragraph{Constraints}~\par\noindent}
\newcommand{\predefined}{\paragraph{Predefined Identifiers}~\par\noindent}

% BNF macros
\def\syntax{\paragraph{Syntax}\trivlist\parindent=.5in\item[\hskip.5in]}
\let\endsyntax=\endtrivlist
\newcommand{\lhs}[1]{\par{\emph{#1:}}\index{#1@{\emph{#1}}|italic}}
\newcommand{\rhs}{\hfil\break\hbox{\hskip1in}}
\newcommand{\oldlhs}[1]{\emph{#1: \dots}\index{#1@{\emph{#1}}|italic}}
\newcommand{\nonterm}[1]{\emph{#1\/}\index{#1@{\emph{#1}}|italic}}
\newcommand{\opt}{$_{opt}$\ }

% adjust varioref package with default "section" and "page" titles, and optional title with faraway page numbers
% \VRef{label} => Section 2.7, \VPageref{label} => page 17
% \VRef[Figure]{label} => Figure 3.4, \VPageref{label} => page 17
\renewcommand{\reftextfaceafter}{\unskip}
\renewcommand{\reftextfacebefore}{\unskip}
\renewcommand{\reftextafter}{\unskip}
\renewcommand{\reftextbefore}{\unskip}
\renewcommand{\reftextfaraway}[1]{\unskip, p.~\pageref{#1}}
\renewcommand{\reftextpagerange}[2]{\unskip, pp.~\pageref{#1}--\pageref{#2}}
\newcommand{\VRef}[2][Section]{\ifx#1\@empty\else{#1}\nobreakspace\fi\vref{#2}}
\newcommand{\VPageref}[2][page]{\ifx#1\@empty\else{#1}\nobreakspace\fi\pageref{#2}}

% Go programming language
\lstdefinelanguage{Golang}{
	morekeywords=[1]{package,import,func,type,struct,return,defer,panic, recover,select,var,const,iota,},%
	morekeywords=[2]{string,uint,uint8,uint16,uint32,uint64,int,int8,int16, int32,int64,
		bool,float32,float64,complex64,complex128,byte,rune,uintptr, error,interface},%
	morekeywords=[3]{map,slice,make,new,nil,len,cap,copy,close,true,false, delete,append,real,imag,complex,chan,},%
	morekeywords=[4]{for,break,continue,range,goto,switch,case,fallthrough,if, else,default,},%
	morekeywords=[5]{Println,Printf,Error,},%
	sensitive=true,%
	morecomment=[l]{//},%
	morecomment=[s]{/*}{*/},%
	morestring=[b]',%
	morestring=[b]",%
	morestring=[s]{`}{`},%
}

% CFA programming language, based on ANSI C
\lstdefinelanguage{CFA}[ANSI]{C}{
	morekeywords={_Alignas,_Alignof,__alignof,__alignof__,asm,__asm,__asm__,_At,_Atomic,__attribute,__attribute__,auto,
		_Bool,catch,catchResume,choose,_Complex,__complex,__complex__,__const,__const__,disable,dtype,enable,__extension__,
		fallthru,finally,forall,ftype,_Generic,_Imaginary,inline,__label__,lvalue,_Noreturn,otype,restrict,_Static_assert,
		_Thread_local,throw,throwResume,trait,try,typeof,__typeof,__typeof__,},
}%

\lstset{
language=CFA,
columns=flexible,
basicstyle=\sf\relsize{-1},
stringstyle=\tt,
tabsize=4,
xleftmargin=\parindent,
extendedchars=true,
escapechar=§,
mathescape=true,
keepspaces=true,
showstringspaces=false,
showlines=true,
aboveskip=4pt,
belowskip=2pt,
moredelim=**[is][\color{red}]{®}{®}, % red highlighting
% moredelim=**[is][\color{blue}]{˘}{˘}, % blue highlighting
moredelim=[is][\lstset{keywords={}}]{¶}{¶}, % temporarily turn off keywords
% literate={\\`}{\raisebox{0.3ex}{\ttfamily\upshape \hspace*{-2pt}`}}1, % escape \`, otherwise used for red highlighting
literate={...}{{$\dots$}}1 {<-}{{$\leftarrow$}}1 {=>}{{$\Rightarrow$}}1,
}%

\lstMakeShortInline©	% single-character for \lstinline

\makeatletter
% replace/adjust listings characters that look bad in sanserif
\lst@CCPutMacro
\lst@ProcessOther{"22}{\lst@ttfamily{"}{\raisebox{0.3ex}{\ttfamily\upshape "}}} % replace double quote
\lst@ProcessOther{"27}{\lst@ttfamily{'}{\raisebox{0.3ex}{\ttfamily\upshape '\hspace*{-2pt}}}} % replace single quote
\lst@ProcessOther{"2D}{\lst@ttfamily{-}{\textbf{\texttt{-}}}} % replace minus
\lst@ProcessOther{"3C}{\lst@ttfamily{<}{\textbf{\texttt{<}}}} % replace less than
\lst@ProcessOther{"3E}{\lst@ttfamily{>}{\textbf{\texttt{>}}}} % replace greater than
\lst@ProcessOther{"5E}{\raisebox{0.4ex}{$\scriptstyle\land\,$}} % replace circumflex
\lst@ProcessOther{"5F}{\lst@ttfamily{\char95}{{\makebox[1.2ex][c]{\rule{1ex}{0.1ex}}}}} % replace underscore
\lst@ProcessOther{"60}{\lst@ttfamily{`}{\raisebox{0.3ex}{\ttfamily\upshape \hspace*{-2pt}`}}} % replace backquote
\lst@ProcessOther{"7E}{\raisebox{0.3ex}{$\scriptstyle\sim\,$}} % replace tilde
%\lst@ProcessOther{"7E}{\raisebox{-.4ex}[1ex][0pt]{\textasciitilde}} % lower tilde
\@empty\z@\@empty % NECESSARY DO NOT REMOVE
\makeatother

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