Add pdf of grammar
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Martin Fredin
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4 changed files with 7 additions and 217 deletions
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@ -2,9 +2,10 @@ dist-newstyle
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*.y
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*.x
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*.bak
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Grammar.tex
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src/Grammar
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language
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test_program_result
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output/
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*.o
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*.out
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*.out
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BIN
Grammar.pdf
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Grammar.pdf
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Grammar.tex
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Grammar.tex
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%% File generated by the BNF Converter (bnfc 2.9.4.1).
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\batchmode
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\documentclass[a4paper,11pt]{article}
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\usepackage[T1]{fontenc}
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\usepackage[utf8x]{inputenc}
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\setlength{\parindent}{0mm}
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\setlength{\parskip}{1mm}
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\title{The Language Grammar}
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\author{BNF-converter}
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\begin{document}
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\maketitle
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\newcommand{\emptyP}{\mbox{$\epsilon$}}
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\newcommand{\terminal}[1]{\mbox{{\texttt {#1}}}}
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\newcommand{\nonterminal}[1]{\mbox{$\langle \mbox{{\sl #1 }} \! \rangle$}}
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\newcommand{\arrow}{\mbox{::=}}
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\newcommand{\delimit}{\mbox{$|$}}
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\newcommand{\reserved}[1]{\mbox{{\texttt {#1}}}}
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\newcommand{\literal}[1]{\mbox{{\texttt {#1}}}}
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\newcommand{\symb}[1]{\mbox{{\texttt {#1}}}}
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This document was automatically generated by the {\em BNF-Converter}.
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It was generated together with the lexer, the parser, and the
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abstract syntax module, which guarantees that the document
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matches with the implementation of the language
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(provided no hand-hacking has taken place).
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\section*{The lexical structure of Grammar}
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\subsection*{Literals}
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Character literals \nonterminal{Char}\ have the form
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\terminal{'}$c$\terminal{'}, where $c$ is any single character.
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Integer literals \nonterminal{Int}\ are nonempty sequences of digits.
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UIdent literals are recognized by the regular expression
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\({\nonterminal{upper}} (\mbox{`\_'} \mid {\nonterminal{digit}} \mid {\nonterminal{letter}})*\)
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LIdent literals are recognized by the regular expression
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\({\nonterminal{lower}} (\mbox{`\_'} \mid {\nonterminal{digit}} \mid {\nonterminal{letter}})*\)
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\subsection*{Reserved words and symbols}
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The set of reserved words is the set of terminals appearing in the grammar. Those reserved words that consist of non-letter characters are called symbols, and they are treated in a different way from those that are similar to identifiers. The lexer follows rules familiar from languages like Haskell, C, and Java, including longest match and spacing conventions.
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The reserved words used in Grammar are the following: \\
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\begin{tabular}{lll}
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{\reserved{case}} &{\reserved{data}} &{\reserved{forall}} \\
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{\reserved{in}} &{\reserved{let}} &{\reserved{of}} \\
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{\reserved{where}} & & \\
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\end{tabular}\\
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The symbols used in Grammar are the following: \\
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\begin{tabular}{lll}
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{\symb{:}} &{\symb{{$=$}}} &{\symb{(}} \\
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{\symb{)}} &{\symb{{$-$}{$>$}}} &{\symb{.}} \\
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{\symb{\{}} &{\symb{\}}} &{\symb{{$+$}}} \\
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{\symb{$\backslash$}} &{\symb{{$=$}{$>$}}} &{\symb{\_}} \\
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{\symb{;}} & & \\
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\end{tabular}\\
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\subsection*{Comments}
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Single-line comments begin with {\symb{{$-$}{$-$}}}. \\Multiple-line comments are enclosed with {\symb{\{{$-$}}} and {\symb{{$-$}\}}}.
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\section*{The syntactic structure of Grammar}
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Non-terminals are enclosed between $\langle$ and $\rangle$.
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The symbols {\arrow} (production), {\delimit} (union)
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and {\emptyP} (empty rule) belong to the BNF notation.
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All other symbols are terminals.\\
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\begin{tabular}{lll}
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{\nonterminal{Program}} & {\arrow} &{\nonterminal{ListDef}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{Def}} & {\arrow} &{\nonterminal{Bind}} \\
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& {\delimit} &{\nonterminal{Sig}} \\
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& {\delimit} &{\nonterminal{Data}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{Sig}} & {\arrow} &{\nonterminal{LIdent}} {\terminal{:}} {\nonterminal{Type}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{Bind}} & {\arrow} &{\nonterminal{LIdent}} {\nonterminal{ListLIdent}} {\terminal{{$=$}}} {\nonterminal{Exp}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{Type1}} & {\arrow} &{\nonterminal{UIdent}} \\
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& {\delimit} &{\nonterminal{TVar}} \\
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& {\delimit} &{\nonterminal{UIdent}} {\terminal{(}} {\nonterminal{ListType}} {\terminal{)}} \\
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& {\delimit} &{\terminal{(}} {\nonterminal{Type}} {\terminal{)}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{Type}} & {\arrow} &{\nonterminal{Type1}} {\terminal{{$-$}{$>$}}} {\nonterminal{Type}} \\
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& {\delimit} &{\terminal{forall}} {\nonterminal{TVar}} {\terminal{.}} {\nonterminal{Type}} \\
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& {\delimit} &{\nonterminal{Type1}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{TVar}} & {\arrow} &{\nonterminal{LIdent}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{Data}} & {\arrow} &{\terminal{data}} {\nonterminal{Type}} {\terminal{where}} {\terminal{\{}} {\nonterminal{ListInj}} {\terminal{\}}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{Inj}} & {\arrow} &{\nonterminal{UIdent}} {\terminal{:}} {\nonterminal{Type}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{Exp4}} & {\arrow} &{\terminal{(}} {\nonterminal{Exp}} {\terminal{:}} {\nonterminal{Type}} {\terminal{)}} \\
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& {\delimit} &{\terminal{(}} {\nonterminal{Exp}} {\terminal{)}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{Exp3}} & {\arrow} &{\nonterminal{LIdent}} \\
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& {\delimit} &{\nonterminal{UIdent}} \\
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& {\delimit} &{\nonterminal{Lit}} \\
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& {\delimit} &{\nonterminal{Exp4}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{Exp2}} & {\arrow} &{\nonterminal{Exp2}} {\nonterminal{Exp3}} \\
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& {\delimit} &{\nonterminal{Exp3}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{Exp1}} & {\arrow} &{\nonterminal{Exp1}} {\terminal{{$+$}}} {\nonterminal{Exp2}} \\
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& {\delimit} &{\nonterminal{Exp2}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{Exp}} & {\arrow} &{\terminal{let}} {\nonterminal{Bind}} {\terminal{in}} {\nonterminal{Exp}} \\
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& {\delimit} &{\terminal{$\backslash$}} {\nonterminal{LIdent}} {\terminal{.}} {\nonterminal{Exp}} \\
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& {\delimit} &{\terminal{case}} {\nonterminal{Exp}} {\terminal{of}} {\terminal{\{}} {\nonterminal{ListBranch}} {\terminal{\}}} \\
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& {\delimit} &{\nonterminal{Exp1}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{Lit}} & {\arrow} &{\nonterminal{Integer}} \\
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& {\delimit} &{\nonterminal{Char}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{Branch}} & {\arrow} &{\nonterminal{Pattern}} {\terminal{{$=$}{$>$}}} {\nonterminal{Exp}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{Pattern1}} & {\arrow} &{\nonterminal{LIdent}} \\
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& {\delimit} &{\nonterminal{Lit}} \\
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& {\delimit} &{\terminal{\_}} \\
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& {\delimit} &{\nonterminal{UIdent}} \\
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& {\delimit} &{\terminal{(}} {\nonterminal{Pattern}} {\terminal{)}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{Pattern}} & {\arrow} &{\nonterminal{UIdent}} {\nonterminal{ListPattern1}} \\
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& {\delimit} &{\nonterminal{Pattern1}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{ListDef}} & {\arrow} &{\emptyP} \\
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& {\delimit} &{\nonterminal{Def}} \\
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& {\delimit} &{\nonterminal{Def}} {\terminal{;}} {\nonterminal{ListDef}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{ListBranch}} & {\arrow} &{\emptyP} \\
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& {\delimit} &{\nonterminal{Branch}} \\
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& {\delimit} &{\nonterminal{Branch}} {\terminal{;}} {\nonterminal{ListBranch}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{ListInj}} & {\arrow} &{\emptyP} \\
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& {\delimit} &{\nonterminal{Inj}} \\
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& {\delimit} &{\nonterminal{Inj}} {\terminal{;}} {\nonterminal{ListInj}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{ListLIdent}} & {\arrow} &{\emptyP} \\
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& {\delimit} &{\nonterminal{LIdent}} {\nonterminal{ListLIdent}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{ListType}} & {\arrow} &{\emptyP} \\
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& {\delimit} &{\nonterminal{Type}} {\nonterminal{ListType}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{ListTVar}} & {\arrow} &{\emptyP} \\
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& {\delimit} &{\nonterminal{TVar}} {\nonterminal{ListTVar}} \\
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\end{tabular}\\
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\begin{tabular}{lll}
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{\nonterminal{ListPattern1}} & {\arrow} &{\nonterminal{Pattern1}} \\
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& {\delimit} &{\nonterminal{Pattern1}} {\nonterminal{ListPattern1}} \\
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\end{tabular}\\
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\end{document}
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6
Makefile
6
Makefile
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@ -1,6 +1,6 @@
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.PHONY : sdist clean
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language : src/Grammar/Test Grammar.tex
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language : src/Grammar/Test Grammar.pdf
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cabal install --installdir=. --overwrite-policy=always
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src/Grammar/Test.hs src/Grammar/Lex.x src/Grammar/Par.y src/Grammar/Layout : Grammar.cf
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@ -21,6 +21,10 @@ src/Grammar/Test : src/Grammar/Test.hs src/Grammar/Par.hs src/Grammar/Lex.hs src
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Grammar.tex :
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bnfc --latex Grammar.cf
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Grammar.pdf : Grammar.tex
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pdflatex Grammar.tex
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rm Grammar.aux Grammar.dvi Grammar.fdb_latexmk Grammar.fls Grammar.log
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clean :
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rm -r src/Grammar
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rm language
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