Cyril, something like this: | env rewriter result methods changes | env := RBBrowserEnvironment default forPackages: (RPackageOrganizer default packages ).
rewriter := RBParseTreeRewriter new. rewriter replace:'`@receiver detect: `@arg1 ifFound: [ :`arg2 | `arg2 ] ifNone: `@arg3' with: '`@receiver detect: `@arg1 ifNone: `@arg3'. changes := Array with: (RBSmalllintChecker runRule: (RBTransformationRule new rewriteRule: rewriter; yourself) onEnvironment: env ) builder. (ChangesBrowser changes: changes) open. On Thu, May 7, 2020 at 8:22 PM Cyril Ferlicot D. <cyril.ferli...@gmail.com> wrote: > Hi, > > I was wondering if it was possible with the parse tree rewriter to match > a block parameter? > > I would like to be able, for example, to rewrite: > > `#() detect: #odd ifFound: [ :e | e ] ifNone: [ self toto ]` > > as > > `#() detect: #odd ifNone: [ self toto ]` > > But I don't know how to express this rule with the rewrite rules of Pharo. > > I tried multiple things such as: > > '`@receiver detect: `@arg1 ifFound: [ `@arg2 | `@arg2 ] ifNone: `@arg3 ' > -> '`@receiver detect: `@arg1 ifNone: `@arg3' > > or > > '`@receiver detect: `@arg1 ifFound: [ :`@arg2 | `@arg2 ] ifNone: `@arg3 > ' -> '`@receiver detect: `@arg1 ifNone: `@arg3' > > Without sucess. > > Is there a way to do that or is it a limitation of the rewrite syntax? > > -- > Cyril Ferlicot > https://ferlicot.fr > >
