PPT-Abstract Syntax

Different Levels of Syntax Lexical syntax Basic symbols names values operators etc Concrete syntax Rules for writing expressions statements programs Input to compilersinterpreters Abstract syntax. moritzhermannphilblunsom csoxacuk Abstract Modelling the compositional process by which the meaning of an utterance arises from the meaning of its parts is a funda mental task of Natural Language Process ing In this paper we draw upon recent advances stanfordedu brPage 2br Abstract We present an event semantics account of copy raising in Swed ish and English The examina tion of copy raising gives rise to two puzzles We demonstrat e that our event semantics analysis solves the two puzzles We exami Chapter 4. Role of Semantic Analysis. . Following parsing, the next two phases of the "typical" compiler are . semantic analysis. (intermediate) code generation. The principal job of the semantic analyzer is to enforce static semantic rules. Syntax: the analysis of sentence construction.. Essential Idea: Syntax must be examined as to how it contributes to and enhances meaning and effect.. Definition . Telegraphic: Sentence shorter than five words. P. Sebastian. Part 1. What is Syntax?. “Syntax is concerned with how expressions combine with one another to form larger expressions.” . How is grammaticality judged?. “Ask yourself whether you could utter the string in question, whether you have ever heard it uttered, and whether you know or can imagine other native speakers of the same language who would utter it.” . What does it mean?. Notes from Robert Sebesta Programming Languages. Syntax. Rules for the language. In English some syntax rules are:. Sentence starts with capital letter. Sentence ends with ‘.’, ‘?’, ‘!’. Types of Linguistic Theories. Prescriptive. : “prescriptive linguistics” is an oxymoron. Prescriptive grammar: . how people ought to talk. Descriptive. : provide account of syntax of a language. Descriptive grammar. Role of Semantic Analysis. . Following parsing, the next two phases of the "typical" compiler are . semantic analysis. (intermediate) code generation. The principal job of the semantic analyzer is to enforce static semantic rules. That arrangement contributes to and enhances meaning and effect.. Or more simply:. It’s how authors put words and phrases together. . Syntax helps authors effectively make their points.. One thing Syntax does is control pacing.. Quick-write. Analyzing Syntax. Reading and questions. Chapter 7. Homework:. Chapter 7 – Reading and Questions. Take out:. Pen/Pencil. Homework. “Determining and Analyzing Syntax”. Notebook. The Great Gatsby. Benefits. Formalism WG. June 6, 2017. Overview. Language Definition Requirements & Benefits. Language Feature . Requirements. 2. Overview. Language Definition Requirements & Benefits. Language Feature . . “But what is the question?”. “To be or not to be, duh, that’s the question”. “yeah, I know, but what does that mean?”. Today’s Focus Questions:. Focus Questions. How can Yoda help us understand Shakespeare?. . “But what is the question?”. “To be or not to be, duh, that’s the question”. “yeah, I know, but what does that mean?”. Today’s Focus Questions:. Focus Questions. How can Yoda help us understand Shakespeare?. . . Symbol Tables. COS 320. Compiling Techniques. Princeton University . Spring 2016. Lennart . Beringer. 2. Abstract Syntax. 3. Parse Trees. We have been looking at . concrete. parse trees, in which.