Beyond syntax

Lecture Compiler construction: Lesson 30 - Sohail Aslam. The main topics covered in this chapter include: parser generators, YACC parser generator, YACC file for a calculator, flex input file for a calculator, building a parser with YACC and Lex, context sensitive analysis, beyond syntax,...

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Lecture Compiler construction: Lesson 31 - Sohail Aslam. The main topics covered in this chapter include: beyond syntax, context-sensitive analysis, use ad-hoc techniques: symbol tables, ad-hoc code; attribute grammars, synthesized attributes, inherited attributes,...

28p youzhangjing_1909 28-04-2022 10 1   Download

The notion of mild context-sensitivity was formulated in an attempt to express the formal power which is both necessary and sufficient to define the syntax of natural languages. However, some linguistic phenomena such as Chinese numbers and German word scrambling lie beyond the realm of mildly contextsensitive formalisms. On the other hand, the class of range concatenation grammars provides added power w.r.t, mildly context-sensitive grammars while keeping a polynomial parse time behavior.

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Since the early Sixties and Seventies it has been known that the regular and context-free languages are characterized by definability in the monadic second-order theory of certain structures. More recently, these descriptive characterizations have been used to obtain complexity results for constraint- and principle-based theories of syntax and to provide a uniform model-theoretic framework for exploring the relationship between theories expressed in disparate formal terms.

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Head First Python“is a great introduction to not just the Python language, but Python as it’s used in the real world. The book goes beyond the syntax to teach you how to create applications for Android phones, Google’s App Engine, and more.” — David Griffiths, author and Agile coach “Where other books start with theory and progress to examples, Head First Python jumps right in with code and explains the theory as you read along. This is a much more effective learning environment, because it engages the reader to do from the very beginning. It was also just a joy...

494p rose_12 07-12-2012 133 40   Download