inductive Lean.ScopedEnvExtension.Entry (α : Type) : Type

• global {α : Type} : α → Entry α
• scoped {α : Type} : Name → α → Entry α

structure Lean.ScopedEnvExtension.State (σ : Type) : Type

• state : σ
• activeScopes : NameSet
• delimitsLocal : Bool

structure Lean.ScopedEnvExtension.ScopedEntries (β : Type) : Type

• map : SMap Name (PArray β)

@[implicit_reducible]

instance Lean.ScopedEnvExtension.instInhabitedScopedEntries {a✝ : Type} : Inhabited (ScopedEntries a✝)

Equations

• Lean.ScopedEnvExtension.instInhabitedScopedEntries = { default := Lean.ScopedEnvExtension.instInhabitedScopedEntries.default }

structure Lean.ScopedEnvExtension.StateStack (α β σ : Type) : Type

• stateStack : List (State σ)
• scopedEntries : ScopedEntries β
• newEntries : List (Entry α)

@[implicit_reducible]

instance Lean.ScopedEnvExtension.instInhabitedStateStack {a✝ a✝¹ a✝² : Type} : Inhabited (StateStack a✝ a✝¹ a✝²)

Equations

• Lean.ScopedEnvExtension.instInhabitedStateStack = { default := Lean.ScopedEnvExtension.instInhabitedStateStack.default }

structure Lean.ScopedEnvExtension.Descr (α β σ : Type) : Type

• name : Name
• mkInitial : IO σ
• ofOLeanEntry : σ → α → ImportM β
• toOLeanEntry : β → α
• addEntry : σ → β → σ
• finalizeImport : σ → σ
• exportEntry? : Environment → α → OLeanEntries (Option α)

@[implicit_reducible]

instance Lean.ScopedEnvExtension.instInhabitedDescr {α β σ : Type} [Inhabited α] : Inhabited (Descr α β σ)

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def Lean.ScopedEnvExtension.mkInitial {α β σ : Type} (descr : Descr α β σ) : IO (StateStack α β σ)

Equations

• Lean.ScopedEnvExtension.mkInitial descr = do let __do_lift ← descr.mkInitial pure { stateStack := [{ state := __do_lift }] }

def Lean.ScopedEnvExtension.ScopedEntries.insert {β : Type} (scopedEntries : ScopedEntries β) (ns : Name) (b : β) : ScopedEntries β

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def Lean.ScopedEnvExtension.addImportedFn {α β σ : Type} (descr : Descr α β σ) (as : Array (Array (Entry α))) : ImportM (StateStack α β σ)

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def Lean.ScopedEnvExtension.addEntryFn {α β σ : Type} (descr : Descr α β σ) (s : StateStack α β σ) (e : Entry β) : StateStack α β σ

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def Lean.ScopedEnvExtension.exportEntriesFn {α β σ : Type} (descr : Descr α β σ) (env : Environment) (s : StateStack α β σ) : OLeanEntries (Array (Entry α))

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structure Lean.ScopedEnvExtension (α β σ : Type) : Type

• descr : Descr α β σ
• ext : PersistentEnvExtension (Entry α) (Entry β) (StateStack α β σ)

@[implicit_reducible]

instance Lean.instInhabitedScopedEnvExtension {a✝ : Type} [Inhabited a✝] {a✝¹ a✝² : Type} : Inhabited (ScopedEnvExtension a✝ a✝¹ a✝²)

Equations

• Lean.instInhabitedScopedEnvExtension = { default := Lean.instInhabitedScopedEnvExtension.default }

opaque Lean.scopedEnvExtensionsRef : IO.Ref (Array (ScopedEnvExtension EnvExtensionEntry EnvExtensionEntry EnvExtensionState))

unsafe def Lean.registerScopedEnvExtensionUnsafe {α β σ : Type} (descr : ScopedEnvExtension.Descr α β σ) : IO (ScopedEnvExtension α β σ)

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@[implemented_by Lean.registerScopedEnvExtensionUnsafe]

opaque Lean.registerScopedEnvExtension {α β σ : Type} (descr : ScopedEnvExtension.Descr α β σ) : IO (ScopedEnvExtension α β σ)

def Lean.ScopedEnvExtension.pushScope {α β σ : Type} (ext : ScopedEnvExtension α β σ) (env : Environment) : Environment

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def Lean.ScopedEnvExtension.popScope {α β σ : Type} (ext : ScopedEnvExtension α β σ) (env : Environment) : Environment

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def Lean.ScopedEnvExtension.setDelimitsLocal {α β σ : Type} (ext : ScopedEnvExtension α β σ) (env : Environment) (depth : Nat) : Environment

Modifies delimitsLocal flag to false on the top depth entries of the state stack, to turn off delimiting of local entries across multiple implicit scope levels (e.g. those introduced by compound namespace A.B.C expansions).

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def Lean.ScopedEnvExtension.addEntry {α β σ : Type} (ext : ScopedEnvExtension α β σ) (env : Environment) (b : β) : Environment

Equations

• ext.addEntry env b = ext.ext.addEntry env (Lean.ScopedEnvExtension.Entry.global b)

def Lean.ScopedEnvExtension.addScopedEntry {α β σ : Type} (ext : ScopedEnvExtension α β σ) (env : Environment) (namespaceName : Name) (b : β) : Environment

Equations

• ext.addScopedEntry env namespaceName b = ext.ext.addEntry env (Lean.ScopedEnvExtension.Entry.scoped namespaceName b)

def Lean.stateStackModify {α β σ : Type} (ext : ScopedEnvExtension α β σ) (states : List (ScopedEnvExtension.State σ)) (b : β) : List (ScopedEnvExtension.State σ)

The following function is used to implement end_local_scope command.

By default, all states have delimitsLocal set to true, and the following code modifies only the top element of the stack. If the top element’s delimitsLocal is false, the function instead traverses down the stack until it reaches the first state where delimitsLocal is true. Intuitively, delimitsLocal of each State determines whether local entries are delimited. When set to false, it allows traversal through implicit scopes where local entries are not delimited.

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• Lean.stateStackModify ext [] b = []

def Lean.ScopedEnvExtension.addLocalEntry {α β σ : Type} (ext : ScopedEnvExtension α β σ) (env : Environment) (b : β) : Environment

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def Lean.ScopedEnvExtension.addCore {α β σ : Type} (env : Environment) (ext : ScopedEnvExtension α β σ) (b : β) (kind : AttributeKind) (namespaceName : Name) : Environment

Equations

• Lean.ScopedEnvExtension.addCore env ext b Lean.AttributeKind.global namespaceName = ext.addEntry env b
• Lean.ScopedEnvExtension.addCore env ext b Lean.AttributeKind.local namespaceName = ext.addLocalEntry env b
• Lean.ScopedEnvExtension.addCore env ext b Lean.AttributeKind.scoped namespaceName = ext.addScopedEntry env namespaceName b

def Lean.ScopedEnvExtension.add {m : Type → Type} {α β σ : Type} [Monad m] [MonadResolveName m] [MonadEnv m] (ext : ScopedEnvExtension α β σ) (b : β) (kind : AttributeKind := AttributeKind.global) : m Unit

Equations

• ext.add b kind = do let ns ← Lean.getCurrNamespace Lean.modifyEnv fun (x : Lean.Environment) => Lean.ScopedEnvExtension.addCore x ext b kind ns

def Lean.ScopedEnvExtension.getState {σ α β : Type} [Inhabited σ] (ext : ScopedEnvExtension α β σ) (env : Environment) (asyncMode : EnvExtension.AsyncMode := ext.ext.toEnvExtension.asyncMode) : σ

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def Lean.ScopedEnvExtension.activateScoped {α β σ : Type} (ext : ScopedEnvExtension α β σ) (env : Environment) (namespaceName : Name) : Environment

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def Lean.ScopedEnvExtension.modifyState {α β σ : Type} (ext : ScopedEnvExtension α β σ) (env : Environment) (f : σ → σ) : Environment

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def Lean.pushScope {m : Type → Type} [Monad m] [MonadEnv m] [MonadLiftT (ST IO.RealWorld) m] : m Unit

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def Lean.popScope {m : Type → Type} [Monad m] [MonadEnv m] [MonadLiftT (ST IO.RealWorld) m] : m Unit

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def Lean.setDelimitsLocal {m : Type → Type} [Monad m] [MonadEnv m] [MonadLiftT (ST IO.RealWorld) m] (depth : Nat) : m Unit

Used to implement end_local_scope command, that disables delimiting local entries of ScopedEnvExtension across depth scope levels.

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def Lean.activateScoped {m : Type → Type} [Monad m] [MonadEnv m] [MonadLiftT (ST IO.RealWorld) m] (namespaceName : Name) : m Unit

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@[reducible, inline]

abbrev Lean.SimpleScopedEnvExtension (α σ : Type) : Type

Equations

• Lean.SimpleScopedEnvExtension α σ = Lean.ScopedEnvExtension α α σ

structure Lean.SimpleScopedEnvExtension.Descr (α σ : Type) : Type

• name : Name
• addEntry : σ → α → σ
• initial : σ
• finalizeImport : σ → σ
• exportEntry? : Environment → α → OLeanEntries (Option α)

def Lean.registerSimpleScopedEnvExtension {α σ : Type} (descr : SimpleScopedEnvExtension.Descr α σ) : IO (SimpleScopedEnvExtension α σ)

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