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6621 discussions

Demeter traversal strategies for Moose, beta
by Adrian Kuhn 18 Dec '07

18 Dec '07

Hi all, after doing some reading to prepare for tomorrows talk, I started to implement traversal strategies for Moose, based on the new Fame framework. Currently implemented is a simple single edge strategy, using classes or properties as waypoints, Multiple single edge strategies can be combined to a compound strategy. I stopped yesterday night shortly before implementing the actual visiting... If you are interested you may have a look at the package Fame- Traversals in MetaDevelopment on SCG Store, there are even tests, using the EquationSystem example as sample model :) cheers, AA

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how to remove a page from moose.unibe.ch
by Tudor Girba 18 Dec '07

18 Dec '07

Hi, I added a new page explaining how to remove a page: http://moose.unibe.ch/varia/howtoedit/delete Cheers, Doru -- www.tudorgirba.com www.tudorgirba.com/blog "Every now and then stop and ask yourself if the war you're fighting is the right one."

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Fixed broken opposites in Famix 2.2
by Adrian Kuhn 18 Dec '07

18 Dec '07

There is a new famix.jar online (revision 14476), see url https://www.iam.unibe.ch/scg/svn_repos/Sources/Famix/MSE4Java/famix.jar The following opposites are fixed now > Opposites must match: Moose.Model.mooseModel > Opposites must match: FAMIX.AbstractStructuralEntity.accessedByList > Opposites must match: FAMIX.InheritanceDefinition.superclass > Opposites must match: FAMIX.InheritanceDefinition.subclass > Opposites must match: FAMIX.Class.incomingInheritance > Opposites must match: FAMIX.Class.accessedByList > Opposites must match: FAMIX.Class.outgoingInheritance > Container must be single-values: FAMIX.Class.method cheers, AA

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website
by Toon Verwaest 17 Dec '07

17 Dec '07

Mmh... the website still seems to have that "bug" related to the system below it. If I let the site open for a few hours without touching it; and then try to open a link; I get redirected to "localhost:...."which obviously fails. And for me this kind of browsing behavior is quite common; since I open websites in tabs and tempt to forget about it :) I guess it has something to do with cookies expiring? cheers

2 1

bug: CodeFoo>>Collection>>#union: should returns self
by Hani ABDEEN 17 Dec '07

17 Dec '07

hi, I just seen that #union: in Collection is implemented as following: ^self copy addAll: aSet. Thus it returns the passed parameter instead of the resulted collection (see #addAll: in collection). bests, Hani

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keyed properties
by Toon Verwaest 17 Dec '07

17 Dec '07

Wouldn't it be useful to be able to specify properties to be keyed when they are multivalued? This would allow us to generate dictionary related code for those keyed elements; and en plus give us a way to specify that one of the properties can not be used twice within a same environment. Example usage would be the classes property of a fm3.Package which would be keyed by the property name. Like this we would be able to do something like: aPackage.getFromClassesAt("aName") instead of having to loop over the classes until we find the right one. I know that Adrian just stores all fm3specified packages+classes into one big dictionary... but of course; having this property would also enable its use one level lower. Just a thought. Toon

2 7

mse/fm3
by Toon Verwaest 14 Dec '07

14 Dec '07

@adrian I was just checking your fm3.mse file... first of all; all files should end in a newline so maybe you want your endDocument to print a newline at the end... Then I see that for opposites you do not specify derived anymore either? Thats already good. The container property you have, that is for identifying back links right? If so... aren't all One's of a One->Many relationship back links? Does anybody know of a metamodel where this is not the case? If not ... maybe we could throw that out and infer this too? cheers

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model and group
by Tudor Girba 13 Dec '07

13 Dec '07

Hi, I worked for some days with the new version of Moose in which the Group and MooseModel have AbstractGroup as super class, and it seems to work just fine. As a consequence, I now published this as development so it gets loaded with Moose Config. Please let me know if you encounter any problems due to this change. Doru -- www.tudorgirba.com www.tudorgirba.com/blog "Problem solving efficiency grows with the abstractness level of problem understanding."

1 0

(no subject)
by stephane ducasse 13 Dec '07

13 Dec '07

When I try loading the latest version of moose. Warning: Package "SmallDudeUtils" cannot be loaded. The following classes cannot be loaded because their superclasses are neither in the image nor in the package being loaded: BooleanVector (subclass of Root.Smalltalk.SCG.Vector) BooleanMatrix (subclass of Root.Smalltalk.SCG.Matrix) BooleanSymetricMatrix (subclass of Root.Smalltalk.SCG.SymetricMatrix)

3 3

MSE Format, latest draft
by Adrian Kuhn 13 Dec '07

13 Dec '07

Please find below the latest draft of the MSE format There is a new mse element, annotations, which can be used twofold (1) To structure mse files into multiple documents. For example an mse file may contain an @mse header document and both a @metamodel and @model document, or even multiple @version1 @version2 ... documents. The only reserved annotation would be @mse for the leading header document. So a valid document could eg look like this @mse ((MSE.File (metamodel 'http://moose.unibe.ch/spec/famix/3.0') (model '@model')) @model ((FAMIX.Package (id: 1) (name 'LAN') (classes (FAMIX.Class ... ... ... )))) (2) Annotations for elements. Attribute names may start with an @ to indicate an attribute not conforming to the metamodel, for example the longDesc of a Moose measurement, or the category of a Moose meny entry would use this feature. But also the variable indexed slots of Magritte elements. (MA.Element (name 'ABC') (attr 0.5 0.75 -1 0.2) (@1 'foo') (@2 'bar') (@3 nil) (@4 'qux')) Also there are two new primitives - Nil - Datetime Nil is not to be confused with unset values, which may have a default value different from nil (... absent = default value (attr ) = default value (attr nil) = nil value (attr "..some..") = some value ...) Similar to SAX, there is a ParserClient interface for reading MSE documents using callbacks. This interface allows an application to register for MSE document parsing. The sequence of callbacks is limited to the following protocol MAIN := beginFile ( annotation* beginDocument ELEM* endDocument )* endFile ELEM := beginElement serial? (beginAttribute ( primitive | reference | ELEM )* endAttribute) endElement which is based on this grammer and tokens root := fragment | file fragment := elementNode file := document* document := annotation* "(" elementNode* ")" annotation := AT_NAME elementNode := "(" elementName serial? attributeNode* ")" elementName := NAME attributeNode := "(" attributeName valueNode* ")" attributeName := NAME | AT_NAME valueNode := primitive | id-reference | reference | elementNode primitive := STRING | NUMBER | BOOLEAN | DATE | NIL serial := "(" "id:" INTEGER ")" id-reference := "(" "idref:" INTEGER ")" reference := "(" "ref:" NAME ")" Breaks input-stream into tokens. Accepts the following grammar Tokens Open ::= "(" Close ::= ")" AtName ::= "@" ( Letter | Digit )+ Keyword ::= "id:" | "idref:" | "ref:" Name ::= Letter ( Letter | Digit )* ( "." ( Letter | Digit )+ )* String ::= ( "'" [ˆ']* "'" )+ Boolean ::= "true" | "false" Nil ::= "nil" Date ::= Digit{4} "-" Digit{2} "-" Digit{2} ( "," Digit{2} ":" Digit{2} ":" Digit{2} ) Number ::= "-"? Digit+ ( "." Digit+ )? ( "e" ( "-"? Digit+ ))? Terminals Digit ::= [0-9] Letter ::= [a-zA-Z_] Whitespace Whitespace ::= Space Tab ecetera... Comment ::= "\"" [ˆ"] "\"" ---- What do you think? AA

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