BeginningStudentSemantics

BeginningStudentSemantics - The grammar and semantics of...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: The grammar and semantics of Beginning Student as discussed in class CS 135 Fall 2008 1 The grammar Here are all the grammatical rules for Beginning Student as covered in class 1 through the end of lecture module 04. When doing traces by hand, these are the rules that are expected. h program i = h def-or-expr i ... h def-or-expr i = h def i | h exp i h def i = (define ( h id i h id i ... h id i ) h exp i ) h def i = (define h id i h exp i ) h def i = (define-struct h id i ( h id i ... h id i )) h prim-op i = built-in function names h prim-op i = c-s1 | ... | c-sn | c? (where c is a structure with fields s1 ... sn ) h exp i = h id i h exp i = h val i h exp i = ( h id i h exp i ... h exp i ) h exp i = ( h prim-op i h exp i ... h exp i ) h exp i = (cond [ h exp i h exp i ] ... [ h exp i h exp i ]) h exp i = (cond [ h exp i h exp i ] ... [else h exp i ]) h exp i = (and h exp i ... ) h exp i = (or h exp i ... ) h val i = h number i | h symbol i | h string i | true | false | h posn i | h lstval...
View Full Document

This note was uploaded on 10/21/2010 for the course CS 135 taught by Professor Vasiga during the Fall '07 term at Waterloo.

Page1 / 2

BeginningStudentSemantics - The grammar and semantics of...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online