This is now back in 5.0 #005
> Simple after and before MetaLinks are taken into account, with just one > check in #visitNode of the ASTTranslator that is > false when no links are there. (which means this slice should not impact > anything) > > For now this is for very simple MetaLinks: no parameters, no condition, no > reification, no #instead/around, > no meta-level modelling. > > Here is a trivial example: > > 1) get a AST node from our example method: > > sendNode := (ReflectivityExamples>>#exampleMethod) ast body statements > first value. > > 2) then we define a link that is just #halt: > > link := MetaLink new > metaObject: Halt; > selector: #now. > > 3) we set it: > > sendNode link: link. > > 4) when we now execute the method, we get a halt: > > ReflectivityExamples new exampleMethod > > 5) to get rid of it, uninstall the link: > > link uninstall. > > If you look at the byte code, you see that it compiles the link to the > code: > > 25 <20> pushConstant: Halt > 26 <D1> send: now > > Marcus > > -- Marcus Denker -- [email protected] http://www.marcusdenker.de
