fix: getParentDeclName? inside where inside public def (#12119)

This PR fixes the call hierarchy for `where` declarations under the
module system

---------

Co-authored-by: mhuisi <mhuisi@protonmail.com>
This commit is contained in:
Sebastian Ullrich 2026-01-23 18:32:05 +01:00 committed by GitHub
parent dae0d6fa05
commit 9f9531fa13
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
5 changed files with 112 additions and 29 deletions

View file

@ -48,7 +48,10 @@ private def mkLetRecDeclView (letRec : Syntax) : TermElabM LetRecView := do
throwErrorAt declId "'let rec' expressions must be named"
let shortDeclName := declId.getId
let parentName? ← getDeclName?
let declName := parentName?.getD Name.anonymous ++ shortDeclName
let mut declName := parentName?.getD Name.anonymous ++ shortDeclName
let env ← getEnv
if env.header.isModule && !env.isExporting then
declName := mkPrivateName env declName
if decls.any fun decl => decl.declName == declName then
withRef declId do
throwError "`{.ofConstName declName}` has already been declared"
@ -116,15 +119,12 @@ private def registerLetRecsToLift (views : Array LetRecDeclView) (fvars : Array
let toLift ← views.mapIdxM fun i view => do
let value := values[i]!
let termination := view.termination.rememberExtraParams view.binderIds.size value
let env ← getEnv
pure {
ref := view.ref
fvarId := fvars[i]!.fvarId!
attrs := view.attrs
shortDeclName := view.shortDeclName
declName :=
if env.isExporting || !env.header.isModule then view.declName
else mkPrivateName env view.declName
declName := view.declName
parentName? := view.parentName?
lctx
localInstances

View file

@ -1,5 +1,6 @@
#include "util/options.h"
// Please update
namespace lean {
options get_default_options() {
options opts;

View file

@ -0,0 +1,17 @@
--^ waitForILeans
module
-- Regression test for a bug where the module system broke the call hierarchy when tracking it
-- through a `where` in a `public def` of a `module`.
public section
def f := 0
--^ incomingCallHierarchy
def foo : Nat :=
bar
where
bar : Nat := f
def foobar := foo

View file

@ -0,0 +1,65 @@
[{"item":
{"uri": "file:///incomingCallHierarchyWhere.lean",
"selectionRange":
{"start": {"line": 8, "character": 4}, "end": {"line": 8, "character": 5}},
"range":
{"start": {"line": 8, "character": 4}, "end": {"line": 8, "character": 5}},
"name": "f",
"kind": 14,
"data":
{"name": "f",
"module": "«external:file:///incomingCallHierarchyWhere.lean»"}},
"fromRanges": [],
"children":
[{"item":
{"uri": "file:///incomingCallHierarchyWhere.lean",
"selectionRange":
{"start": {"line": 14, "character": 2},
"end": {"line": 14, "character": 5}},
"range":
{"start": {"line": 14, "character": 2},
"end": {"line": 14, "character": 16}},
"name": "foo.bar",
"kind": 14,
"data":
{"name":
"_private.«external:file:///incomingCallHierarchyWhere.lean».0.foo.bar",
"module": "«external:file:///incomingCallHierarchyWhere.lean»"}},
"fromRanges":
[{"start": {"line": 14, "character": 15},
"end": {"line": 14, "character": 16}}],
"children":
[{"item":
{"uri": "file:///incomingCallHierarchyWhere.lean",
"selectionRange":
{"start": {"line": 11, "character": 4},
"end": {"line": 11, "character": 7}},
"range":
{"start": {"line": 11, "character": 0},
"end": {"line": 14, "character": 16}},
"name": "foo",
"kind": 14,
"data":
{"name": "foo",
"module": "«external:file:///incomingCallHierarchyWhere.lean»"}},
"fromRanges":
[{"start": {"line": 12, "character": 2},
"end": {"line": 12, "character": 5}}],
"children":
[{"item":
{"uri": "file:///incomingCallHierarchyWhere.lean",
"selectionRange":
{"start": {"line": 16, "character": 4},
"end": {"line": 16, "character": 10}},
"range":
{"start": {"line": 16, "character": 0},
"end": {"line": 16, "character": 17}},
"name": "foobar",
"kind": 14,
"data":
{"name": "foobar",
"module": "«external:file:///incomingCallHierarchyWhere.lean»"}},
"fromRanges":
[{"start": {"line": 16, "character": 14},
"end": {"line": 16, "character": 17}}],
"children": []}]}]}]}]

View file

@ -1,78 +1,78 @@
[Elab.snapshotTree] Lean.Language.Lean.process.parseCmd<no range>
[Elab.snapshotTree] _private.Lean.Language.Lean.0.Lean.Language.Lean.process.parseCmd<no range>
[Elab.snapshotTree] Lean.Language.instInhabitedDynamicSnapshot⟨13, 0⟩-⟨13, 39⟩
[Elab.snapshotTree] Lean.Language.Lean.process.parseCmd⟨13, 0⟩-⟨13, 39⟩
[Elab.snapshotTree] Lean.Language.Lean.process.parseCmd⟨13, 0⟩-⟨13, 39⟩
[Elab.snapshotTree] _private.Lean.Language.Lean.0.Lean.Language.Lean.process.parseCmd⟨13, 0⟩-⟨13, 39⟩
[Elab.snapshotTree] _private.Lean.Language.Lean.0.Lean.Language.Lean.process.parseCmd⟨13, 0⟩-⟨13, 39⟩
[Elab.snapshotTree] Lean.Elab.Command.runLintersAsync<range inherited>
[Elab.snapshotTree] Lean.Language.Lean.process.parseCmd<no range>
[Elab.snapshotTree] _private.Lean.Language.Lean.0.Lean.Language.Lean.process.parseCmd<no range>
[Elab.snapshotTree] Lean.Elab.Command.elabMutualDef⟨14, 0⟩-⟨24, 13⟩
[Elab.snapshotTree] _private.Lean.Elab.MutualDef.0.Lean.Elab.Term.elabHeaders⟨14, 0⟩-⟨24, 13⟩
[Elab.snapshotTree] Lean.Parser.Tactic.sleep⟨15, 2⟩-⟨24, 13⟩
[Elab.snapshotTree] ⟨15, 2⟩-⟨15, 9⟩
[Elab.snapshotTree] <range inherited>
[Elab.snapshotTree] Lean.Elab.Tactic.evalSepTactics.goEven<no range>
[Elab.snapshotTree] _private.Lean.Elab.Tactic.BuiltinTactic.0.Lean.Elab.Tactic.evalSepTactics.goEven<no range>
[Elab.snapshotTree] Lean.Parser.Tactic.sleep⟨16, 2⟩-⟨24, 13⟩
[Elab.snapshotTree] ⟨16, 2⟩-⟨16, 11⟩
[Elab.snapshotTree] <range inherited>
[Elab.snapshotTree] Lean.Elab.Tactic.evalSepTactics.goEven<no range>
[Elab.snapshotTree] _private.Lean.Elab.Tactic.BuiltinTactic.0.Lean.Elab.Tactic.evalSepTactics.goEven<no range>
[Elab.snapshotTree] Lean.cdot⟨17, 2⟩-⟨24, 13⟩
[Elab.snapshotTree] Lean.Parser.Tactic.«tacticNext_=>_»⟨17, 2⟩-⟨24, 13⟩
[Elab.snapshotTree] Lean.Elab.Tactic.evalTactic.expandEval⟨17, 4⟩-⟨24, 13⟩
[Elab.snapshotTree] Lean.Elab.Tactic.evalTactic.expandEval<no range>
[Elab.snapshotTree] _private.Lean.Elab.Tactic.Basic.0.Lean.Elab.Tactic.evalTactic.expandEval⟨17, 4⟩-⟨24, 13⟩
[Elab.snapshotTree] _private.Lean.Elab.Tactic.Basic.0.Lean.Elab.Tactic.evalTactic.expandEval<no range>
[Elab.snapshotTree] Lean.Parser.Tactic.induction<range inherited>
[Elab.snapshotTree] _private.Lean.Elab.Tactic.Induction.0.Lean.Elab.Tactic.ElimApp.evalAlts.goWithInfo⟨18, 4⟩-⟨24, 13⟩
[Elab.snapshotTree] _private.Lean.Elab.Tactic.Induction.0.Lean.Elab.Tactic.ElimApp.evalAlts.goWithInfo<no range>
[Elab.snapshotTree] Lean.Parser.Tactic.sleep⟨19, 4⟩-⟨21, 13⟩
[Elab.snapshotTree] ⟨20, 6⟩-⟨20, 15⟩
[Elab.snapshotTree] <range inherited>
[Elab.snapshotTree] Lean.Elab.Tactic.evalSepTactics.goEven<no range>
[Elab.snapshotTree] _private.Lean.Elab.Tactic.BuiltinTactic.0.Lean.Elab.Tactic.evalSepTactics.goEven<no range>
[Elab.snapshotTree] Lean.Parser.Tactic.tacticTrivial⟨21, 6⟩-⟨21, 13⟩
[Elab.snapshotTree] Lean.Elab.Tactic.evalTactic.expandEval⟨21, 6⟩-⟨21, 13⟩
[Elab.snapshotTree] Lean.Elab.Tactic.evalTactic.expandEval<no range>
[Elab.snapshotTree] _private.Lean.Elab.Tactic.Basic.0.Lean.Elab.Tactic.evalTactic.expandEval⟨21, 6⟩-⟨21, 13⟩
[Elab.snapshotTree] _private.Lean.Elab.Tactic.Basic.0.Lean.Elab.Tactic.evalTactic.expandEval<no range>
[Elab.snapshotTree] Lean.Parser.Tactic.apply<range inherited>
[Elab.snapshotTree] <range inherited>
[Elab.snapshotTree] <range inherited>
[Elab.snapshotTree] <no range>
[Elab.snapshotTree] <range inherited>
[Elab.snapshotTree] <range inherited>
[Elab.snapshotTree] Lean.Elab.Tactic.evalSepTactics.goEven<no range>
[Elab.snapshotTree] _private.Lean.Elab.Tactic.BuiltinTactic.0.Lean.Elab.Tactic.evalSepTactics.goEven<no range>
[Elab.snapshotTree] <no range>
[Elab.snapshotTree] <range inherited>
[Elab.snapshotTree] Lean.Parser.Tactic.sleep⟨22, 4⟩-⟨24, 13⟩
[Elab.snapshotTree] ⟨23, 6⟩-⟨23, 15⟩
[Elab.snapshotTree] <range inherited>
[Elab.snapshotTree] Lean.Elab.Tactic.evalSepTactics.goEven<no range>
[Elab.snapshotTree] _private.Lean.Elab.Tactic.BuiltinTactic.0.Lean.Elab.Tactic.evalSepTactics.goEven<no range>
[Elab.snapshotTree] Lean.Parser.Tactic.tacticTrivial⟨24, 6⟩-⟨24, 13⟩
[Elab.snapshotTree] Lean.Elab.Tactic.evalTactic.expandEval⟨24, 6⟩-⟨24, 13⟩
[Elab.snapshotTree] Lean.Elab.Tactic.evalTactic.expandEval<no range>
[Elab.snapshotTree] _private.Lean.Elab.Tactic.Basic.0.Lean.Elab.Tactic.evalTactic.expandEval⟨24, 6⟩-⟨24, 13⟩
[Elab.snapshotTree] _private.Lean.Elab.Tactic.Basic.0.Lean.Elab.Tactic.evalTactic.expandEval<no range>
[Elab.snapshotTree] Lean.Parser.Tactic.apply<range inherited>
[Elab.snapshotTree] <range inherited>
[Elab.snapshotTree] <range inherited>
[Elab.snapshotTree] <no range>
[Elab.snapshotTree] <range inherited>
[Elab.snapshotTree] <range inherited>
[Elab.snapshotTree] Lean.Elab.Tactic.evalSepTactics.goEven<no range>
[Elab.snapshotTree] _private.Lean.Elab.Tactic.BuiltinTactic.0.Lean.Elab.Tactic.evalSepTactics.goEven<no range>
[Elab.snapshotTree] <no range>
[Elab.snapshotTree] <range inherited>
[Elab.snapshotTree] Lean.Elab.Tactic.evalSepTactics.goEven<no range>
[Elab.snapshotTree] _private.Lean.Elab.Tactic.BuiltinTactic.0.Lean.Elab.Tactic.evalSepTactics.goEven<no range>
[Elab.snapshotTree] <no range>
[Elab.snapshotTree] <range inherited>
[Elab.snapshotTree] Lean.Elab.Tactic.evalSepTactics.goEven<no range>
[Elab.snapshotTree] _private.Lean.Elab.Tactic.BuiltinTactic.0.Lean.Elab.Tactic.evalSepTactics.goEven<no range>
[Elab.snapshotTree] <no range>
[Elab.snapshotTree] <range inherited>
[Elab.snapshotTree] Lean.Elab.Tactic.evalSepTactics.goEven<no range>
[Elab.snapshotTree] _private.Lean.Elab.Tactic.BuiltinTactic.0.Lean.Elab.Tactic.evalSepTactics.goEven<no range>
[Elab.snapshotTree] <no range>
[Elab.snapshotTree] <range inherited>
[Elab.snapshotTree] _private.Lean.Elab.MutualDef.0.Lean.Elab.Term.elabFunValues⟨14, 0⟩-⟨14, 0⟩
[Elab.snapshotTree] Lean.Language.Lean.process.parseCmd⟨14, 0⟩-⟨24, 13⟩
[Elab.snapshotTree] Lean.Language.Lean.process.parseCmd⟨14, 0⟩-⟨24, 13⟩
[Elab.snapshotTree] _private.Lean.Language.Lean.0.Lean.Language.Lean.process.parseCmd⟨14, 0⟩-⟨24, 13⟩
[Elab.snapshotTree] _private.Lean.Language.Lean.0.Lean.Language.Lean.process.parseCmd⟨14, 0⟩-⟨24, 13⟩
[Elab.snapshotTree] <no range>
[Elab.snapshotTree] <no range>
[Elab.snapshotTree] _private.Lean.Elab.MutualDef.0.Lean.Elab.Term.logGoalsAccomplishedSnapshotTask<no range>
• Goals accomplished!
[Elab.snapshotTree] Lean.Elab.Command.runLintersAsync<range inherited>
[Elab.snapshotTree] Lean.Language.Lean.process.parseCmd<no range>
[Elab.snapshotTree] _private.Lean.Language.Lean.0.Lean.Language.Lean.process.parseCmd<no range>
[Elab.snapshotTree] Lean.Language.instInhabitedDynamicSnapshot⟨25, 0⟩-⟨25, 0⟩
[Elab.snapshotTree] Lean.Language.Lean.process.parseCmd⟨25, 0⟩-⟨25, 0⟩
[Elab.snapshotTree] Lean.Language.Lean.process.parseCmd⟨25, 0⟩-⟨25, 0⟩
[Elab.snapshotTree] _private.Lean.Language.Lean.0.Lean.Language.Lean.process.parseCmd⟨25, 0⟩-⟨25, 0⟩
[Elab.snapshotTree] _private.Lean.Language.Lean.0.Lean.Language.Lean.process.parseCmd⟨25, 0⟩-⟨25, 0⟩
[Elab.snapshotTree] Lean.Elab.Command.runLintersAsync<range inherited>