39 lines
1.3 KiB
Text
39 lines
1.3 KiB
Text
/-
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Copyright (c) 2022 Mac Malone. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Authors: Mac Malone
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-/
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import Lake.Build.Info
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import Lake.Build.Store
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namespace Lake
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/-- A custom target's declarative configuration. -/
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structure TargetConfig where
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/-- The name of the target. -/
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name : WfName
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/-- The type of the target's build result. -/
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resultType : Type
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/-- The target's build function. -/
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build : {m : Type → Type} →
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[Monad m] → [MonadLift BuildM m] → [MonadBuildStore m] →
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Package → IndexT m (ActiveBuildTarget resultType)
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/-- Proof that target's build result is the correctly typed target.-/
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data_eq_target : PackageData name = ActiveBuildTarget resultType
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instance : Inhabited TargetConfig := ⟨{
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name := &`extraDep
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resultType := PUnit
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build := default
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data_eq_target := eq_dynamic_type
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}⟩
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hydrate_opaque_type OpaqueTargetConfig TargetConfig
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instance {cfg : TargetConfig}
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: DynamicType PackageData cfg.name (ActiveBuildTarget cfg.resultType) :=
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⟨cfg.data_eq_target⟩
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/-- Try to find a target configuration in the package with the given name . -/
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def Package.findTargetConfig? (name : Name) (self : Package) : Option TargetConfig :=
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self.opaqueTargetConfigs.find? name |>.map (·.get)
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