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-\begin{figure}
-
-\begin{syntax}
-\syntaxclass{Types:}
-{\it signedness} & ::= &  "Signed" \alt "Unsigned" \\
-{\it intsize} & ::= &  "I8" \alt "I16" \alt "I32" \\
-{\it floatsize} & ::= &  "F32" \alt "F64" \\
-\tau & ::= &  "Tint" ({\it intsize}, {\it signedness}) \\
-     & \alt & "Tfloat" ({\it floatsize})  \\
-     & \alt & "Tvoid" \\
-     & \alt & "Tarray" (\tau, n) \\
-     & \alt & "Tpointer" (\tau) \\
-%     &\alt & "Tcomp_pointer" (\id) \\
-     &\alt & "Tstruct" (\id,\seq {(\id,\tau)}) \\
-     &\alt & "Tunion" (\id,\seq {(\id,\tau)}) \\
-     & \alt & "Tfunction" (\seq \tau, \tau)
-%
-\syntaxclass{Expressions annotated with types:}
-a & ::=  & \unannot{a}{\tau}
-\syntaxclass{Unannotated expressions:}
-b & ::=  & \id & variable identifier\\
-  & \alt & n & integer constant\\
-  & \alt & f & float constant \\
-  & \alt & "sizeof"(\tau) & size of a type \\
-  & \alt & \op_1 ~ a & unary arithmetic operation\\
-  & \alt & a_1 ~\op_2 ~ a_2  & binary arithmetic operation\\
-  & \alt & \hbox{"*"} a & dereferencing \\
-  & \alt & a_1 [a_2] & array indexing \\
-  & \alt & a \dot \id   & field access \\
-  & \alt & \hbox{"&"} a & address of \\
-  & \alt & (\tau) a & cast \\
-  & \alt & a_1 \hbox{" && "} a_2 \alt a_1 \hbox{" || "} a_2
-              & sequential boolean operations \\
-  & \alt & a(\seq a) & function call \\
-%
-\op_2 & ::=  & \hbox{"+"} \alt \hbox{"-"} \alt \hbox{"*"} \alt \hbox{"/"} \alt \hbox{"%"}
-               & arithmetic operators \\ 
-      & \alt & \hbox{"<<"} \alt \hbox{">>"} \alt 
-               \hbox{"&"} \alt \hbox{"|"} \alt \hbox{"^"}
-               & bitwise operators\\
- &  \alt  & \hbox{"<"} \alt \hbox{"<="} \alt \hbox{">"} \alt \hbox{">="}
-               \alt \hbox{"=="} \alt \hbox{"!="}
-               & relational operators \\
-\op_1 & ::= & \hbox{"-"} \alt \hbox{"~"} \alt \hbox{"!"}& unary operators
-%
-\end{syntax}
-\caption{Abstract syntax of Clight (types and expressions).  $\seq a$ denotes 0, 1 or several
-  occurrences of syntactic category $a$.  $\opt a$ denotes an optional
-  occurrence of category $a$.}
-\label{fig:syntax}
-\end{figure}
-