48 lines
1.8 KiB
Text
48 lines
1.8 KiB
Text
/-
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Copyright (c) 2021 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Authors: Leonardo de Moura
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-/
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import Lean.DeclarationRange
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import Lean.MonadEnv
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namespace Lean
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private builtin_initialize builtinDocStrings : IO.Ref (NameMap String) ← IO.mkRef {}
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private builtin_initialize docStringExt : MapDeclarationExtension String ← mkMapDeclarationExtension `docstring
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def addBuiltinDocString (declName : Name) (docString : String) : IO Unit :=
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builtinDocStrings.modify (·.insert declName docString)
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def addDocString [MonadEnv m] (declName : Name) (docString : String) : m Unit :=
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modifyEnv fun env => docStringExt.insert env declName docString
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def addDocString' [Monad m] [MonadEnv m] (declName : Name) (docString? : Option String) : m Unit :=
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match docString? with
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| some docString => addDocString declName docString
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| none => return ()
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def findDocString? (env : Environment) (declName : Name) : IO (Option String) :=
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return (← builtinDocStrings.get).find? declName |>.orElse fun _ => docStringExt.find? env declName
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structure ModuleDoc where
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doc : String
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declarationRange : DeclarationRange
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private builtin_initialize moduleDocExt : SimplePersistentEnvExtension ModuleDoc (Std.PersistentArray ModuleDoc) ← registerSimplePersistentEnvExtension {
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name := `moduleDocExt
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addImportedFn := fun _ => {}
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addEntryFn := fun s e => s.push e
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toArrayFn := fun es => es.toArray
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}
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def addMainModuleDoc (env : Environment) (doc : ModuleDoc) : Environment :=
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moduleDocExt.addEntry env doc
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def getMainModuleDoc (env : Environment) : Std.PersistentArray ModuleDoc :=
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moduleDocExt.getState env
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def getModuleDoc? (env : Environment) (moduleName : Name) : Option (Array ModuleDoc) :=
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env.getModuleIdx? moduleName |>.map fun modIdx => moduleDocExt.getModuleEntries env modIdx
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end Lean
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