= !FeatureList xText EBNF Version 2.0 =
== Core Features: ==

 1. BNF front-end (Parser, Lexer, Linker, etc.)
 1. translates a textual representation into an Ecore model
 1. Editor - provides IDE features, e.g. auto-completion, syntax highlighting, etc.

 == Validation Rules: ==

These rules will give warnings in the editor if they find find consistencies in the code.

 1. ''__checkUpdateGrammarConsistency__:'' checks, if the grammar is an updated grammar, for consistencies between the originals and the new grammar [[BR]][[BR]]status: not migrated

 2. ''__!CheckReferencedOnlyOnce__:'' this should warn if there is a rule that is only referenced once, this is an inlining hint e.g.: [[BR]][[BR]]status: migrated

 3. ''__checkPassthroughRule__:'' !e.g.:this tests if a rule gets just passed through a ::= b b ::= "literal" <=> a ::= "literal" , which is better for EBNF [[BR]][[BR]]status: migrated

 4. ''__checkEqualAlternative__:'' this tests if a rule got equal alternatives e.g.: a::= d | d status: still some problems[[BR]][[BR]]status: migrated

 5. ''__checkDuplicateRules__:'' checks if there is another rule in the EtsiBnf, that got the same behaviour e.g.: a ::= "literal" | b c ::= "literal" | b [[BR]][[BR]]status: migrated

 6. ''__checkSubruleDuplicates__:''

  status: not migrated

 7. ''__check unused rule__:'' it checks if a rule is used (exept for the rule with the number 1)

  status: migrated

 8. ''__checkNameIsUnique__:'' checks if the nam of a rule is already in use e.g.: a ::= "end" a ::= "fin"

  status: migrated

== Generation: ==

Generating an intermediate xsl-fo representation for all BNF grammars (merge or delta grammars not supported). This can be rendered to PDF using apache-fop

  status: in progress

== Formatting: ==

  * ''old:'' had some but they are got commented out in the main project

  * ''new:'' line-break after every rule, white-spaces after all literals,  possible update linebreak and double tab after all >|< bars

== Refactoring and Quick-fixing: ==

Automated restructuring support.

 1. ''auto Numbering of rules'' [[BR]] - not migrated[[BR]]
 1. ''remove unused rules'' [[BR]] - migrated[[BR]]
 1. ''replacement of passthroughRules'' [[BR]] - not migrated[[BR]]
 1. ''refactor uppercasetokenRules'' [[BR]] - not migrated [[BR]]
 1. ''find references'' - provided by xtext2
 1. ''renaming'' - provided by xtext2 [[BR]]

== Grammar Composition: ==

  - 3 grammartypes:
    - grammar: normal grammar 
    - delta grammar: different notation for a extension grammar,
      - adds new rules to a grammar (regular rules) and adds changes to rules of the extended grammar (extension rules) (can be automatically created)
    - merge grammar: for merging extensions
  - old version had an automatic composition process for merge grammars with a small pop-up-menu.

 * at the moment no support in the new version

== Deployment: ==

 * export project as Plugin: Plug-in Development/deployable plug-ins and fragments 
 * RCP project with a minimal eclipse editor: TBD