52 lines
1.9 KiB
Plaintext
52 lines
1.9 KiB
Plaintext
/-
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Copyright (c) 2021 Henrik Böving. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Authors: Henrik Böving
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-/
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import Lean
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import DocGen4.Process
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import Std.Data.HashMap
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namespace DocGen4
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open Lean System Std IO
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def getLakePath : IO FilePath := do
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match (← IO.getEnv "LAKE") with
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| some path => pure $ System.FilePath.mk path
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| none =>
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let lakePath := (←findSysroot?) / "bin" / "lake"
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pure $ lakePath.withExtension System.FilePath.exeExtension
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-- Modified from the LSP Server
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def lakeSetupSearchPath (lakePath : System.FilePath) (imports : Array String) : IO Lean.SearchPath := do
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let args := #["print-paths"] ++ imports
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let cmdStr := " ".intercalate (toString lakePath :: args.toList)
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let lakeProc ← Process.spawn {
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stdin := Process.Stdio.null
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stdout := Process.Stdio.piped
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stderr := Process.Stdio.piped
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cmd := lakePath.toString
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args
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}
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let stdout := String.trim (← lakeProc.stdout.readToEnd)
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let stderr := String.trim (← lakeProc.stderr.readToEnd)
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match (← lakeProc.wait) with
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| 0 =>
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let stdout := stdout.split (· == '\n') |>.getLast!
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let Except.ok (paths : LeanPaths) ← pure (Json.parse stdout >>= fromJson?)
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| throw $ userError s!"invalid output from `{cmdStr}`:\n{stdout}\nstderr:\n{stderr}"
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initSearchPath (← findSysroot?) paths.oleanPath
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paths.oleanPath.mapM realPathNormalized
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| 2 => pure [] -- no lakefile.lean
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| _ => throw $ userError s!"`{cmdStr}` failed:\n{stdout}\nstderr:\n{stderr}"
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def load (imports : List Name) : IO AnalyzerResult := do
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let env ← importModules (List.map (Import.mk · false) imports) Options.empty
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-- TODO parameterize maxHeartbeats
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IO.println "Processing modules"
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Prod.fst <$> (Meta.MetaM.toIO process { maxHeartbeats := 100000000, options := ⟨[(`pp.tagAppFns, true)]⟩ } { env := env} {} {})
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end DocGen4
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