Initial setup for code action attributes

• Attribute @[hole_code_action] collects code actions which will be called on each occurrence of a hole (_, ?_ or sorry).

• Attribute @[tactic_code_action] collects code actions which will be called on each occurrence of a tactic.

• Attribute @[command_code_action] collects code actions which will be called on each occurrence of a command.

@[reducible, inline]

abbrev Lean.CodeAction.HoleCodeAction : Type

A hole code action extension.

def Lean.CodeAction.mkHoleCodeAction (n : Name) : ImportM HoleCodeAction

Read a hole code action from a declaration of the right type.

opaque Lean.CodeAction.holeCodeActionExt : PersistentEnvExtension Name (Name × HoleCodeAction) (Array Name × Array HoleCodeAction)

An extension which collects all the hole code actions.

@[reducible, inline]

abbrev Lean.CodeAction.CommandCodeAction : Type

A command code action extension.

def Lean.CodeAction.mkCommandCodeAction (n : Name) : ImportM CommandCodeAction

Read a command code action from a declaration of the right type.

structure Lean.CodeAction.CommandCodeActionEntry : Type

An entry in the command code actions extension, containing the attribute arguments.

• declName : Name

  The declaration to tag

• cmdKinds : Array Name

  The command kinds that this extension supports. If empty it is called on all command kinds.

instance Lean.CodeAction.instInhabitedCommandCodeActionEntry : Inhabited CommandCodeActionEntry

structure Lean.CodeAction.CommandCodeActions : Type

The state of the command code actions extension.

• onAnyCmd : Array CommandCodeAction

  The list of command code actions to apply on any command.

• onCmd : NameMap (Array CommandCodeAction)

  The list of command code actions to apply when a particular command kind is highlighted.

instance Lean.CodeAction.instInhabitedCommandCodeActions : Inhabited CommandCodeActions

def Lean.CodeAction.CommandCodeActions.insert (self : CommandCodeActions) (tacticKinds : Array Name) (action : CommandCodeAction) : CommandCodeActions

Insert a command code action entry into the CommandCodeActions structure.

opaque Lean.CodeAction.builtinCmdCodeActions : IO.Ref CommandCodeActions

def Lean.CodeAction.insertBuiltin (args : Array Name) (proc : CommandCodeAction) : IO Unit

opaque Lean.CodeAction.cmdCodeActionExt : PersistentEnvExtension CommandCodeActionEntry (CommandCodeActionEntry × CommandCodeAction) (Array CommandCodeActionEntry × CommandCodeActions)

An extension which collects all the command code actions.