def Lean.Linter.collectMacroExpansions? {m : Type → Type u_1} [Monad m] (range : Syntax.Range) (tree : Elab.InfoTree) : m (Option (List Elab.MacroExpansionInfo))

Go upwards through the given tree starting from the smallest node that contains the given range and collect all MacroExpansionInfos on the way up. The result is some [] if no MacroExpansionInfo was found on the way and none if no InfoTree node was found that covers the given range.

Return the result reversed, s.t. the macro expansion that would be applied to the original syntax first is the first element of the returned list.

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def Lean.Linter.getDeclsByBody (t : Elab.InfoTree) : List Name

Get the parentDecls of every elaborated body in the infotree.

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def Lean.Linter.getNewDecls (t : Elab.InfoTree) : List Name

Get the names of declarations introduced by elaborating t.

A declaration introduces a TermInfo with isBinder := true whose expr is the constant being declared. This covers def/theorem/axiom, inductive types and their constructors, and structure fields and parent projections — including mutual blocks where each member emits its own binder.

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