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Computer Science C S 321. Programming Languages and Compilers Introduction to the structure of programming languages and their implementation. Basic language design principles; abstract data types (lists, arrays, user-defined types); functional languages; type systems; object-oriented languages. Basics of lexing, parsing, syntax-directed translation, semantic analysis and code generation. Prerequisite: C S 225, and C S 232 or ECE 291. 3 hours, or 3/4 or 1 unit. For 1 unit credit, satisfactory completion of a special project required.