PPT-Attribute Grammars

Prabhaker Mateti ACK Assembled from many sources About Attribute Grammars Attribute grammars AGs add semantic info on parse tree nodes Used for semantic checking and other compiletime analyses eg type checking in a compiler. The Chomsky hierarchy of grammars . Context-free grammars describe languages that regular grammars can’t . Unrestricted. Context-sensitive. Context-free. Regular. Slide after Durbin, . et al. ., 1998. A Practical Guide. by . Dick Grune and. Ceriel. J. H. Jacobs. 1. Book in slide format. F. antastic book: . Parsing Techniques. I went through chapters 1 and 2 of the book and created slides of them.. Attributes store extra . information. in . AST nodes.. type: . int. val. : . 3. code: . iconst_3. .... type: . int. val. : 4. code: . iconst_4. .... type: . int. val. : 4. env. : •. offs: 1. code: . Ravichandhran. . Madhavan. , . EPFL. Joint work with. Mikael . Mayër. , EPFL. Sumit. . Gulwani. , MSR. Viktor . Kuncak. , EPFL. Overview. u. nit -> . pkg. ? . i. mp* type*. field -> method | . Formal definition of a regular expression.. Languages associated with regular expressions.. Introduction regular grammars. . Regular language and homomorphism. . The Chomsky Hierarchy . Regular Expression. \. Part of the original vision for federated identity and necessary for it to succeed. Federated identity is less about authentication and more about passing attributes. Critical for . privacy. Internal use cases. IEEE TRANSACTIONS ON VISUALIZATION AND COMPUTER . GRAPHICS, . DECEMBER 2012. Authors:. . Christian . Tominski. Heidrun. Schumann. Gennady . Andrienko. Natalia . Andrienko. BY:. Farah . Kamw. Introduction. Tahmina Ahmed, Ravi Sandhu and . Jaehong. Park. ACM CODASPY. March 22-24, 2017. 1. Institute for Cyber Security. World-Leading Research with Real-World Impact!. by. Outline. Introduction . Background & Motivation. Review. So far, we’ve covered the following: . . Compilation methods: compilation vs. interpretation.. . The overall . c. ompilation process.. Front-end analysis . Lexical Analysis. Syntax Analysis. Presentation to: S-MAP Phase II Participants. Charles D. Feinstein, PhD. Jonathan A. Lesser, PhD. December 6, 2016. Summary of the Joint . Intervenor. Approach. Step 1: Develop the multi-attribute value function. Eran. . Yahav. 1. 2. You are here. Executable . code. exe. Source. text . txt. Compiler. Lexical. Analysis. Syntax Analysis. Parsing. Semantic. Analysis. Inter.. Rep.. (IR). Code. Gen.. Last Week: Types. Attribute. Sepenggal. . informasi. yang . berhubungan. . dengan. class. Class Perusahaan . mempunyai. attribute: Nama, . Alamat. , . dan. . JumlahKaryawan. Class . Penjualan. . memiliki. . attribute: . Attribute. Sepenggal. . informasi. yang . berhubungan. . dengan. class. Class Perusahaan . mempunyai. attribute: Nama, . Alamat. , . dan. . JumlahKaryawan. Class . Penjualan. . memiliki. . attribute: . The call will begin at approximately . 2pm today. . and space is limited, so if you have troubles getting into the webinar, please listen in and the presentation will be available on . www.gxs.com/belk.