bookshelf-doc/DocGen4/Load.lean

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/-
Copyright (c) 2021 Henrik Böving. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Authors: Henrik Böving
-/
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import Lean
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import Lake
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import Lake.CLI.Main
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import DocGen4.Process
import Std.Data.HashMap
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namespace DocGen4
open Lean System Std IO
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/--
Sets up a lake workspace for the current project. Furthermore initialize
the Lean search path with the path to the proper compiler from lean-toolchain
as well as all the dependencies.
-/
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def lakeSetup (imports : List String) : IO (Except UInt32 Lake.Workspace) := do
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let (leanInstall?, lakeInstall?) ← Lake.findInstall?
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match ←(EIO.toIO' <| Lake.mkLoadConfig {leanInstall?, lakeInstall?}) with
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| .ok config =>
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let ws : Lake.Workspace ← Lake.loadWorkspace config |>.run Lake.MonadLog.eio
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let libraryLeanGitHash := ws.env.lean.githash
if libraryLeanGitHash ≠ Lean.githash then
IO.println s!"WARNING: This doc-gen was built with Lean: {Lean.githash} but the project is running on: {libraryLeanGitHash}"
let ctx ← Lake.mkBuildContext ws
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(ws.root.buildImportsAndDeps imports *> pure ()) |>.run Lake.MonadLog.eio ctx
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initSearchPath (←findSysroot) ws.leanPaths.oleanPath
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pure <| Except.ok ws
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| .error err =>
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throw <| IO.userError err.toString
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def envOfImports (imports : List Name) : IO Environment := do
importModules (imports.map (Import.mk · false)) Options.empty
def loadInit (imports : List Name) : IO Hierarchy := do
let env ← envOfImports imports
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pure <| Hierarchy.fromArray env.header.moduleNames
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/--
Load a list of modules from the current Lean search path into an `Environment`
to process for documentation.
-/
def load (task : Process.AnalyzeTask) : IO (Process.AnalyzerResult × Hierarchy) := do
let env ← envOfImports task.getLoad
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IO.println "Processing modules"
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let config := {
-- TODO: parameterize maxHeartbeats
maxHeartbeats := 100000000,
options := ⟨[(`pp.tagAppFns, true)]⟩,
-- TODO: Figure out whether this could cause some bugs
fileName := default,
fileMap := default,
}
Prod.fst <$> Meta.MetaM.toIO (Process.process task) config { env := env } {} {}
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end DocGen4