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Epsilon Compiler Advancements and Progress Report

This report discusses the development of the Epsilon language, extension of Sheba compiler, aspect weaving implementation, optimizations, test case development, OO calculator, and debugging aspect language development.

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Epsilon Compiler Advancements and Progress Report

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  1. Epsilon Compiler Advanced Compilers Progress Report James Simister 11/3/99

  2. Focus • Develop Epsilon language • Extend Sheba compiler to Epsilon language • Implement aspect weaving in compiler • Add optimizations • Develop test cases • OO calculator • Debugging aspect

  3. Language Development • I’ve hammered out the grammar for the Epsilon language • Sheba was extended to: • support objects and inheritance • no nested objects • support aspects • advice for before, after, and replace • wildcard matching for class & method names

  4. Compiler Modification • Original compiler was one-pass, no explicit parse tree, no optimization • Must be extended: • lex & yacc input to accept Epsilon grammar & syntax • IR parse tree • Source-to-source transform for aspect weaving • Lower-level IR for optimizations? • Add passes for optimization

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