lean4-htt/Lake/Build/Module1.lean

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/-
Copyright (c) 2021 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Authors: Sebastian Ullrich, Mac Malone
-/
import Lean.Elab.Import
import Lake.Build.Info
import Lake.Build.Store
import Lake.Build.Targets
open Std System
open Lean hiding SearchPath
namespace Lake
abbrev ModuleSet := RBTree Module (·.name.quickCmp ·.name)
@[inline] def ModuleSet.empty : ModuleSet := RBTree.empty
abbrev ModuleMap (α) := RBMap Module α (·.name.quickCmp ·.name)
@[inline] def ModuleMap.empty : ModuleMap α := RBMap.empty
-- # Solo Module Targets
def Module.soloTarget (mod : Module)
(dynlibs : Array FilePath) (depTarget : BuildTarget x) (c := true) : OpaqueTarget :=
Target.opaque <| depTarget.bindOpaqueSync fun depTrace => do
let argTrace : BuildTrace := pureHash mod.leanArgs
let srcTrace : BuildTrace ← computeTrace mod.leanFile
let modTrace := (← getLeanTrace).mix <| argTrace.mix <| srcTrace.mix depTrace
let modUpToDate ← modTrace.checkAgainstFile mod mod.traceFile
if c then
let cUpToDate ← modTrace.checkAgainstFile mod.cFile mod.cTraceFile
unless modUpToDate && cUpToDate do
compileLeanModule mod.leanFile mod.oleanFile mod.ileanFile mod.cFile
(← getOleanPath) mod.pkg.rootDir dynlibs mod.leanArgs (← getLean)
modTrace.writeToFile mod.cTraceFile
else
unless modUpToDate do
compileLeanModule mod.leanFile mod.oleanFile mod.ileanFile none
(← getOleanPath) mod.pkg.rootDir dynlibs mod.leanArgs (← getLean)
modTrace.writeToFile mod.traceFile
return depTrace
def Module.mkCTarget (modTarget : BuildTarget x) (self : Module) : FileTarget :=
Target.mk self.cFile <| modTarget.bindOpaqueSync fun _ =>
return mixTrace (← computeTrace self.cFile) (← getLeanTrace)
@[inline]
def Module.mkOTarget (cTarget : FileTarget) (self : Module) : FileTarget :=
leanOFileTarget self.oFile cTarget self.leancArgs
@[inline]
def Module.mkDynlibTarget (linkTargets : Array FileTarget) (self : Module) : FileTarget :=
leanSharedLibTarget self.dynlib linkTargets self.linkArgs
-- # Recursive Building
section
variable [Monad m] [MonadLiftT BuildM m] [MonadBuildStore m]
/--
Recursively build a module and its (transitive, local) imports,
optionally outputting a `.c` file as well if `c` is set to `true`.
-/
@[specialize] def Module.recBuildLean (mod : Module) (c : Bool)
(recurse : IndexBuildFn m) : m ActiveOpaqueTarget := do
have : MonadLift BuildM m := ⟨liftM⟩
let extraDepTarget ← mod.pkg.recBuildFacet &`extraDep recurse
let (imports, transImports) ← mod.recBuildFacet &`lean.imports recurse
let dynlibsTarget ←
if mod.shouldPrecompile then
ActiveTarget.collectArray
<| ← transImports.mapM (·.recBuildFacet &`lean.dynlib recurse)
else
pure <| ActiveTarget.nil.withInfo #[]
let importTarget ←
if c then
ActiveTarget.collectOpaqueArray
<| ← imports.mapM (·.recBuildFacet &`lean.c recurse)
else
ActiveTarget.collectOpaqueArray
<| ← imports.mapM (·.recBuildFacet &`lean recurse)
let depTarget := Target.active <| ← extraDepTarget.mixOpaqueAsync
<| ← dynlibsTarget.mixOpaqueAsync importTarget
let modTarget ← mod.soloTarget dynlibsTarget.info depTarget c |>.activate
store (mod.mkBuildKey &`lean) modTarget
store (mod.mkBuildKey &`olean) modTarget
store (mod.mkBuildKey &`ilean) modTarget
if c then
let cTarget ← mod.mkCTarget (Target.active modTarget) |>.activate
store (mod.mkBuildKey &`lean.c) cTarget
return cTarget.withoutInfo
else
return modTarget
/--
Recursively parse the Lean files of a module and its imports
building an `Array` product of its direct and transitive local imports.
-/
@[specialize] def Module.recParseImports (mod : Module)
(recurse : IndexBuildFn m) : m (Array Module × Array Module) := do
have : MonadLift BuildM m := ⟨liftM⟩
let contents ← IO.FS.readFile mod.leanFile
let (imports, _, _) ← Elab.parseImports contents mod.leanFile.toString
let importSet ← imports.foldlM (init := ModuleSet.empty) fun a imp => do
if let some mod ← findModule? imp.module then return a.insert mod else return a
let mut imports := #[]
let mut transImports := ModuleSet.empty
for imp in importSet do
let (_, impTransImports) ← imp.recBuildFacet &`lean.imports recurse
for imp in impTransImports do
transImports := transImports.insert imp
transImports := transImports.insert imp
imports := imports.push imp
return (imports, transImports.toArray)
/--
Recursively build the shared library of a module (e.g., for `--load-dynlib`).
-/
@[specialize] def Module.recBuildDynLib (mod : Module)
(recurse : IndexBuildFn m) : m ActiveFileTarget := do
have : MonadLift BuildM m := ⟨liftM⟩
let oTarget ← mod.recBuildFacet &`lean.o recurse
let dynlibTargets ←
if mod.shouldPrecompile then
let (_, transImports) ← mod.recBuildFacet &`lean.imports recurse
transImports.mapM fun mod => mod.recBuildFacet &`lean.dynlib recurse
else
pure #[]
-- TODO: Link in external libraries
-- let externLibTargets ← mod.pkg.externLibTargets.mapM (·.activate)
-- let linkTargets := #[oTarget] ++ sharedLibTargets ++ externLibTargets |>.map Target.active
let linkTargets := #[oTarget] ++ dynlibTargets |>.map Target.active
mod.mkDynlibTarget linkTargets |>.activate