Hi Sam, that sounds sensible to me. Thanks, Ranco > -----Original Message----- > From: Sam Harwell [mailto:sharw...@pixelminegames.com] > Sent: woensdag 6 april 2011 17:30 > To: Ranco Marcus; antlr-interest@antlr.org > Subject: RE: [antlr-interest] [CSharp3] @namespace and composite > grammars > > Hi Ranco, > > I updated the CSharp3 target so imported grammars are always generated in > the same namespace as specified in the root grammar. > > Sam > > -----Original Message----- > From: antlr-interest-boun...@antlr.org > [mailto:antlr-interest-boun...@antlr.org] On Behalf Of Ranco Marcus > Sent: Thursday, March 24, 2011 5:55 AM > To: antlr-interest@antlr.org > Subject: [antlr-interest] [CSharp3] @namespace and composite grammars > > To maximize reuse of our grammars we generally create separate lexer and > parser grammars which are target agnostic (i.e. contain no target specific > code). We then combine them into a composite grammar in which the target > language and other implementation specific details are specified > (header,members,namespace,etc.). This way, grammars can be used for > multiple targets and we have maximum freedom to combine multiple > lexers/parsers into larger ones. > > If a composite grammar C imports a parser grammar P and a lexer grammar L, > the tool generates CParser, CLexer, C_P and C_L. > > Adding @namespace { <X> } to the composite grammar should IMHO put all > four recognizers in namespace <X>. Currently, at least with the CSharp3 > target, only CParser is put into the specified namespace. > > Specifying @lexer::namespace { <X> } to the composite grammar causes only > the outermost lexer CLexer to be added to the specified namespace, not the > imported lexer C_L. The same holds for @parser::namespace. > > Btw, if I'm not mistaken, there's no way to put recognizers in packages with > the Java target. Is that correct? > > Best regards, > > Ranco Marcus > Epirion Knowledge Solutions B.V. > > > List: http://www.antlr.org/mailman/listinfo/antlr-interest > Unsubscribe: > http://www.antlr.org/mailman/options/antlr-interest/your-email-address
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