1. TexPoint fonts used in EMF. Read the TexPoint manual before you delete this box.: AA A AAAA A A AA A A A AA A AA A A

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3. Scanner (Lexical Analysis) Parser and Semantic Checks 3 Context-free grammars + actions/attributes (yacc, bison, Polyglot, JastAdd,...) Regular Expressions + State (flex, jflex,...)

4. 4 Lexical specification for original language Grammar and actions for original language Modified lexical specification for extended language Grammar and actions for original language Grammar rules for extension

5. 5 Lexical specification for original language Grammar and actions for original language Lexical specification for original language Grammar and actions for original language Grammar rules for extension Lexical rules for extension

6. 6 Java + HTML Java + Aspects (AspectJ) Java + SQL MATLAB + Aspects (AspectMatlab)

7. 7 Nested C-style comments Javadoc comments Floating-point constants URL regular expressions …

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10. 10 programmer specifies regular expressions + actions tools generate a finite automaton- based implementation states are used to handle different language contexts

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13. 13 Specification in one file.

14. 14 Each component specified in its own file. Layout specified in its own file.

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18. 18 Properties KeyValue Util_Patterns

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23. 23 properties.mll key.mlc value.mlc util_patterns.mlc MetaLexer properties.jflex

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29. O 29 Original Component New Component adds some rules and inherits original component. Woven output

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31. 31 AspectJ and Extensions

32. 32 PLDI 2011 Tutorial on McLab!!!!!

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