minor change

[proglang.git] / Docsyntax.tex

diff --git a/Docsyntax.tex b/Docsyntax.tex
index 76d4a279cb7e9486db34d88dbffe3dddd165d14f..f8ad812f68132a4a546510dfa5330591f4c81986 100644 (file)
--- a/Docsyntax.tex
+++ b/Docsyntax.tex
@@ -42,19 +42,20 @@ The reserved words used in syntax are the following: \\
 \begin{tabular}{lll}
 {\reserved{bool}} &{\reserved{else}} &{\reserved{false}} \\
 {\reserved{if}} &{\reserved{int}} &{\reserved{print}} \\
-{\reserved{readBool}} &{\reserved{readInt}} &{\reserved{true}} \\
-{\reserved{while}} & & \\
+{\reserved{readBool}} &{\reserved{readInt}} &{\reserved{return}} \\
+{\reserved{true}} &{\reserved{while}} & \\
 \end{tabular}\\
 
 The symbols used in syntax are the following: \\
 
 \begin{tabular}{lll}
-{\symb{{$=$}}} &{\symb{;}} &{\symb{\{}} \\
-{\symb{\}}} &{\symb{(}} &{\symb{)}} \\
+{\symb{;}} &{\symb{\{}} &{\symb{\}}} \\
+{\symb{{$=$}}} &{\symb{(}} &{\symb{)}} \\
 {\symb{{$+$}{$+$}}} &{\symb{{$-$}{$-$}}} &{\symb{{$-$}}} \\
-{\symb{{$<$}}} &{\symb{{$<$}{$=$}}} &{\symb{{$>$}}} \\
-{\symb{{$>$}{$=$}}} &{\symb{{$=$}{$=$}}} &{\symb{!{$=$}}} \\
-{\symb{{$+$}}} &{\symb{*}} &{\symb{/}} \\
+{\symb{!}} &{\symb{,}} &{\symb{{$<$}}} \\
+{\symb{{$<$}{$=$}}} &{\symb{{$>$}}} &{\symb{{$>$}{$=$}}} \\
+{\symb{{$=$}{$=$}}} &{\symb{!{$=$}}} &{\symb{{$+$}}} \\
+{\symb{*}} &{\symb{/}} & \\
 \end{tabular}\\
 
 \subsection*{Comments}
@@ -72,19 +73,29 @@ All other symbols are terminals.\\
 \end{tabular}\\
 
 \begin{tabular}{lll}
-{\nonterminal{Stm}} & {\arrow}  &{\nonterminal{Type}} {\nonterminal{Ident}} {\terminal{{$=$}}} {\nonterminal{Exp}} {\terminal{;}}  \\
- & {\delimit}  &{\nonterminal{Type}} {\nonterminal{Ident}} {\terminal{;}}  \\
- & {\delimit}  &{\nonterminal{Exp}} {\terminal{;}}  \\
+{\nonterminal{Type}} & {\arrow}  &{\terminal{int}}  \\
+ & {\delimit}  &{\terminal{bool}}  \\
+\end{tabular}\\
+
+\begin{tabular}{lll}
+{\nonterminal{Program}} & {\arrow}  &{\nonterminal{ListFuncStm}}  \\
+\end{tabular}\\
+
+\begin{tabular}{lll}
+{\nonterminal{Stm}} & {\arrow}  &{\nonterminal{Exp}} {\terminal{;}}  \\
  & {\delimit}  &{\terminal{\{}} {\nonterminal{ListStm}} {\terminal{\}}}  \\
- & {\delimit}  &{\terminal{if}} {\terminal{(}} {\nonterminal{Exp}} {\terminal{)}} {\nonterminal{Stm}}  \\
- & {\delimit}  &{\terminal{if}} {\terminal{(}} {\nonterminal{Exp}} {\terminal{)}} {\nonterminal{Stm}} {\terminal{else}} {\nonterminal{Stm}}  \\
+ & {\delimit}  &{\nonterminal{Type}} {\nonterminal{Ident}} {\terminal{{$=$}}} {\nonterminal{Exp}} {\terminal{;}}  \\
+ & {\delimit}  &{\nonterminal{Type}} {\nonterminal{Ident}} {\terminal{;}}  \\
  & {\delimit}  &{\terminal{while}} {\terminal{(}} {\nonterminal{Exp}} {\terminal{)}} {\nonterminal{Stm}}  \\
+ & {\delimit}  &{\terminal{if}} {\terminal{(}} {\nonterminal{Exp}} {\terminal{)}} {\nonterminal{Stm}} {\terminal{else}} {\nonterminal{Stm}}  \\
+ & {\delimit}  &{\terminal{if}} {\terminal{(}} {\nonterminal{Exp}} {\terminal{)}} {\nonterminal{Stm}}  \\
  & {\delimit}  &{\terminal{print}} {\nonterminal{Exp}} {\terminal{;}}  \\
+ & {\delimit}  &{\terminal{return}} {\nonterminal{Exp}} {\terminal{;}}  \\
 \end{tabular}\\
 
 \begin{tabular}{lll}
 {\nonterminal{Exp}} & {\arrow}  &{\nonterminal{Ident}} {\terminal{{$=$}}} {\nonterminal{Exp}}  \\
- & {\delimit}  &{\nonterminal{Exp1}} {\nonterminal{BOp}} {\nonterminal{Exp1}}  \\
+ & {\delimit}  &{\nonterminal{Exp1}} {\nonterminal{Op0}} {\nonterminal{Exp1}}  \\
  & {\delimit}  &{\nonterminal{Exp1}}  \\
 \end{tabular}\\
 
@@ -103,10 +114,12 @@ All other symbols are terminals.\\
  & {\delimit}  &{\nonterminal{Ident}} {\terminal{{$-$}{$-$}}}  \\
  & {\delimit}  &{\nonterminal{Ident}}  \\
  & {\delimit}  &{\nonterminal{Integer}}  \\
- & {\delimit}  &{\terminal{{$-$}}} {\nonterminal{Exp3}}  \\
  & {\delimit}  &{\nonterminal{Bool}}  \\
+ & {\delimit}  &{\terminal{{$-$}}} {\nonterminal{Exp3}}  \\
+ & {\delimit}  &{\terminal{!}} {\nonterminal{Exp3}}  \\
  & {\delimit}  &{\terminal{readInt}}  \\
  & {\delimit}  &{\terminal{readBool}}  \\
+ & {\delimit}  &{\nonterminal{Ident}} {\terminal{(}} {\nonterminal{ListExp}} {\terminal{)}}  \\
  & {\delimit}  &{\terminal{(}} {\nonterminal{Exp}} {\terminal{)}}  \\
 \end{tabular}\\
 
@@ -116,11 +129,42 @@ All other symbols are terminals.\\
 \end{tabular}\\
 
 \begin{tabular}{lll}
-{\nonterminal{Stms}} & {\arrow}  &{\nonterminal{ListStm}}  \\
+{\nonterminal{ListExp}} & {\arrow}  &{\emptyP} \\
+ & {\delimit}  &{\nonterminal{Exp}}  \\
+ & {\delimit}  &{\nonterminal{Exp}} {\terminal{,}} {\nonterminal{ListExp}}  \\
 \end{tabular}\\
 
 \begin{tabular}{lll}
-{\nonterminal{BOp}} & {\arrow}  &{\terminal{{$<$}}}  \\
+{\nonterminal{Decl}} & {\arrow}  &{\nonterminal{Type}} {\nonterminal{Ident}}  \\
+\end{tabular}\\
+
+\begin{tabular}{lll}
+{\nonterminal{ListDecl}} & {\arrow}  &{\emptyP} \\
+ & {\delimit}  &{\nonterminal{Decl}}  \\
+ & {\delimit}  &{\nonterminal{Decl}} {\terminal{,}} {\nonterminal{ListDecl}}  \\
+\end{tabular}\\
+
+\begin{tabular}{lll}
+{\nonterminal{Func}} & {\arrow}  &{\nonterminal{Type}} {\nonterminal{Ident}} {\terminal{(}} {\nonterminal{ListDecl}} {\terminal{)}} {\terminal{\{}} {\nonterminal{ListStm}} {\terminal{\}}}  \\
+\end{tabular}\\
+
+\begin{tabular}{lll}
+{\nonterminal{ListFunc}} & {\arrow}  &{\emptyP} \\
+ & {\delimit}  &{\nonterminal{Func}} {\nonterminal{ListFunc}}  \\
+\end{tabular}\\
+
+\begin{tabular}{lll}
+{\nonterminal{FuncStm}} & {\arrow}  &{\nonterminal{Stm}}  \\
+ & {\delimit}  &{\nonterminal{Func}}  \\
+\end{tabular}\\
+
+\begin{tabular}{lll}
+{\nonterminal{ListFuncStm}} & {\arrow}  &{\emptyP} \\
+ & {\delimit}  &{\nonterminal{FuncStm}} {\nonterminal{ListFuncStm}}  \\
+\end{tabular}\\
+
+\begin{tabular}{lll}
+{\nonterminal{Op0}} & {\arrow}  &{\terminal{{$<$}}}  \\
  & {\delimit}  &{\terminal{{$<$}{$=$}}}  \\
  & {\delimit}  &{\terminal{{$>$}}}  \\
  & {\delimit}  &{\terminal{{$>$}{$=$}}}  \\
@@ -141,11 +185,7 @@ All other symbols are terminals.\\
 \begin{tabular}{lll}
 {\nonterminal{Op}} & {\arrow}  &{\nonterminal{Op1}}  \\
  & {\delimit}  &{\nonterminal{Op2}}  \\
-\end{tabular}\\
-
-\begin{tabular}{lll}
-{\nonterminal{Type}} & {\arrow}  &{\terminal{int}}  \\
- & {\delimit}  &{\terminal{bool}}  \\
+ & {\delimit}  &{\nonterminal{Op0}}  \\
 \end{tabular}\\