Amazing! Pharo 3.0 will be another big step forward 2013/5/30 Camille Teruel <camille.ter...@gmail.com>
> Hello everyone, > > Reflectivity beta is out ! > > Reflectivity is a tool that permit to annotate AST nodes with "metalinks". > You can put metalinks at different "positions": > > - before: the metalink is executed before the node > - instead: the metalink is executed instead the node > - after: the metalink is executed after the node > - onError: the metalink is executed only if the execution of the node > raises an error > - onSuccess: the metalink is executed only if the execution of the > node raises no error > > > When you put metalinks on some node of a method's AST, a wrapper is > installed in place of the method. When executed, this wrapper compiles an > expanded version of the AST that takes metalinks into account and install > the resulting compiled method. > > Examples: > > increaseAllNumbersIn: aCompiledMethod > "A method that increases all numbers in aCompiledMethod" > aCompiledMethod reflectiveAST > forAllNodes: [ :node | node isLiteral and: [ node value isNumber ] ] > putInstead: [ :node | RFMetalink fromExpression: (node value + 1) > asString ]. > > removeMetalinksIn: aCompiledMethod > aCompiledMethod reflectiveAST removeAllMetalinks > > In nautilus, you have a menu entry called 'Edit metalinks' that permit to > edit the metalinks of the node corresponding to the selected piece of code. > As an example use case, another entry called 'Put breakpoint' adds a > metalink that corresponds to 'Halt now' before the selected node. > > Remember that it is a beta, so you might find errors and things are likely > to change. > > You can load Reflectivity with: > > Gofer it > smalltalkhubUser: 'RMoD' project: 'Reflectivity'; > configuration; > loadDevelopment > > Or you can download it from RMoD's CI: > https://ci.inria.fr/rmod/job/Reflectivity/ > > Camille >
