Page History

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•  no working Eclipse plugin found. (authors emailed)
• argument list pattern (sec 2.2) public _ (_, String, *) : any public method that accept a String as its second argument and returns any type
• quantifiers: no, all, exists...
• anonymous class
• pattern naming (integral := byte | short | int | long)
• variable binding
• no structural matching of AST (deemed difficult because uses class files) (so can't look match on a loop for example or find all local variables in method)

• Wiki Markup
  read\[F\]/write\[F\] predicates to indicate whether a method reads/write to a field. Nice feature: write\[_\] tells whether method writes to a field at all. How do we do this recursively? All methods within the method are not writing to fields...

• no support for generics (according to documentation)

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*+.QL \[authors emailed\]+*

• New version stores every AST node unit in DB
• has notion of aggregates (count, sum, max, min, avg)
• ".QL: Object-Oriented Queries made Easy" only members level info + method calls (no statement info stored in DB)

*{+}Jackpot \[emailed Jan from Netbeans\]+*

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• Model: Relational vs Tree
• control flow statements 
• variable binding & cross reference
• type constraints
• generics / wildcards
• read/write references
• anonymous class
• aggregates (grouping results)
• pattern matching? (i.e JTL style for argument list, SOUL like for AST matching)
• quantifiers
• querying style

Conclusion

Relational based query languages not low level enough. 

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