lean4-htt/Lake/Config/TargetConfig.lean

42 lines
1.3 KiB
Text

/-
Copyright (c) 2022 Mac Malone. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Authors: Mac Malone
-/
import Lake.Build.Info
import Lake.Build.Store
namespace Lake
/-- A custom target's declarative configuration. -/
structure TargetConfig where
/-- The name of the target. -/
name : WfName
/-- The name of the target's package. -/
package : WfName
/-- The type of the target's build result. -/
resultType : Type
/-- The target's build function. -/
target : BuildTarget resultType
/-- Proof that target's build result is the correctly typed target.-/
data_eq_target : CustomData (package, name) = ActiveBuildTarget resultType
family_def _nil_ : CustomData (&`✝, &`✝) := ActiveOpaqueTarget
instance : Inhabited TargetConfig := ⟨{
name := &`✝
package := &`✝
resultType := PUnit
target := default
data_eq_target := family_key_eq_type
}⟩
hydrate_opaque_type OpaqueTargetConfig TargetConfig
instance FamilyDefOfTargetConfig {cfg : TargetConfig}
: FamilyDef CustomData (cfg.package, cfg.name) (ActiveBuildTarget cfg.resultType) :=
⟨cfg.data_eq_target⟩
/-- Try to find a target configuration in the package with the given name . -/
def Package.findTargetConfig? (name : Name) (self : Package) : Option TargetConfig :=
self.opaqueTargetConfigs.find? name |>.map (·.get)