40 lines
1.3 KiB
Text
40 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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open Lean System
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/-- A module facet's declarative configuration. -/
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structure ModuleFacetConfig where
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/-- The name of the facet. -/
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facet : WfName
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/-- The type of the facet's build result. -/
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resultType : Type
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/-- The module facet'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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Module → IndexT m (ActiveBuildTarget resultType)
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/-- Proof that module facet's build result is the correctly typed target.-/
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data_eq_target : ModuleData facet = ActiveBuildTarget resultType
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instance : Inhabited ModuleFacetConfig := ⟨{
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facet := &`lean.bin
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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 OpaqueModuleFacetConfig ModuleFacetConfig
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instance {cfg : ModuleFacetConfig}
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: DynamicType ModuleData cfg.facet (ActiveBuildTarget cfg.resultType) :=
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⟨cfg.data_eq_target⟩
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/-- Try to find a module facet configuration in the package with the given name . -/
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def Package.findModuleFacetConfig? (name : Name) (self : Package) : Option ModuleFacetConfig :=
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self.opaqueModuleFacetConfigs.find? name |>.map (·.get)
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