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feat: completions for @[delab app.foo] attribute #14971

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Merged
kmill merged 1 commit into from
Aug 29, 2026
+5 −2
Merged

feat: completions for @[delab app.foo] attribute #14971

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7 changes: 5 additions & 2 deletions src/Lean/PrettyPrinter/Delaborator/Basic.lean
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Original file line number Diff line number Diff line change
Expand Up @@ -118,11 +118,14 @@ unsafe builtin_initialize delabAttribute : KeyedDeclsAttribute Delab ←
evalKey := fun _ stx => do
let stx ← Attribute.Builtin.getIdent stx
let kind := stx.getId
if (← Elab.getInfoState).enabled && kind.getRoot == `app then
if (← Elab.getInfoState).enabled && !kind.isAtomic && kind.getRoot == `app then
let c := kind.replacePrefix `app .anonymous
-- Create identifier dropping `app` prefix, for completions and term info
let stx' := mkIdentFrom (mkNullNode (Syntax.identComponents stx).tail.toArray) c (canonical := true)
Elab.addCompletionInfo <| .id stx' c (danglingDot := false) (lctx := {}) (expectedType? := none)
if (← getEnv).contains c then
recordExtraModUseFromDecl (isMeta := false) c
Elab.addConstInfo stx c none
Elab.addConstInfo stx' c none
pure kind
}

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