a31f6ae875
Until now, types of type lists in interface types were collected in a single expression list "Types". This made it not possible to gofmt such interfaces while preserving the original layout of type lists. This change represents types of type lists as part of an ast.FieldList. The ast.InterfaceType.Methods field list now represents embedded interfaces, methods, or type list types through ast.Fields. This preserves all position information and thus permits accurate gofmt-ing. The new representation is as follows: For an ast.Field f, if - len(f.Names) == 0 : f.Type is an embedded interface - f.Names[0].Name == "type": f.Type is a type of a type list - otherwise : f represents a method Since "type" is a keyword, a Go field name cannot be "type". Fields of types of type lists that share the same "type" keyword in the source share the same f.Names[0] identifier (named "type"), and the position of that identifier is the position of the "type" keyword in the source. Related changes: - Adjusted go/parser to build the new representation. - Adjusted go/printer and implemented formatting of type lists. (This is still not quite correct if there are comments, but that is fine-tuning). - Adjusted go/types to work with the new representation. - Implemented SplitFieldList and MergeFieldList in go2go translator to easily switch between old and new representation. - Updated documentation. Change-Id: I016e2ce5949bfe294509d703156c41d42cf7084e |
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README.md
The Go Programming Language
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