Next: About this document ... Up: No Title Previous: Concrete Syntax of Jex

Lexical Syntax of Jex

Tokens
$\begin{program} ident~~~~\==~letter~\{~letter~$\vert$~digit~\}. \\ numlit~~~~\\ ... ...~noNewline~$\vert$~noEscapeOrQuoteOrNewlines~\}~''$\backslash$''''.\end{program}$
All quoted terminals in the concrete syntax are valid tokens.
Auxiliary
White space and comments
$\begin{program} whitespace~\==~''~''~$\vert$~''$\backslash$n''~$\vert$~''$\backs... ...oStar~$\vert$~''$*$''~\{~''$*$''~\}~noStarOrSlash~\}~''$*$''~''/''.\end{program}$

Christoph Zenger
3/16/2000