PLSpecs-PM - Click to edit Master subtitle style cs784...

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Unformatted text preview: Click to edit Master subtitle style cs784 PL-Descriptions Programming Language Descriptions cs784 PL-Descriptions What drives PL Development? Computers are in charge of extremely important issues Execute a program literally. Exercise no judgment. Program development works : not too hard works correctly: beyond the state of the art cs784 22 PL-Descriptions cs784 PL-Descriptions Division of PL Descriptions Syntax Context Free Grammars Context Sensitive Details Semantics PL designer typically uses prose. Others would have developed Operational Semantics Axiomatic Semantics Denotational cs784 33 PL-Descriptions cs784 PL-Descriptions Description of Syntax: BNF Backus-Naur-Form Context-Free only LHS ::= seq of Terminals/Non-Terminals ::= separates LHS from RHS Repetition/Kleene Star { }* Many variations of BNF cs784 44 PL-Descriptions cs784 PL-Descriptions Description of Semantics...
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This note was uploaded on 06/02/2011 for the course CS 784 taught by Professor Tkprasad during the Spring '11 term at New York Institute of Technology-Westbury.

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PLSpecs-PM - Click to edit Master subtitle style cs784...

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