CS450 Overview Compiler Design

CS450 Compiler Design

17

Example: Syntax of “Mini-Triangle” (continued)

Declaration

::= single-Declaration

| Declaration ; single-Declaration

single-Declaration

::= const Identifier ~ Expression

| var Identifier : Type-denoter

Type-denoter ::= Identifier

Comment ::= ! CommentLine eol

CommentLine ::= Graphic CommentLine | Empty

Graphic ::= any printable character or space