Real Lexical Rules

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duangsuse edited this page May 7, 2018 · 2 revisions

Real lexical rules

Blanks

" \u000C\r\n\t"

Comments

when 'no state' '#' comment '\n'

Token type

Value token

TRUE keyword true
FALSE keyword false
NIL keyword nil
STRING value " data "

String syntax sugar:

"Left${expression}Right" Left +:add (:lparen expression tokens ):rparen +:add Right
"Left$label Right" Left + identifier(label) + Right

end

QUOTE value ' data '