lean4-htt/Lake/BuildBin.lean

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/-
Copyright (c) 2021 Mac Malone. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Authors: Mac Malone
-/
import Lake.BuildPackage
open System
namespace Lake
/--
Construct a no-op target if the given artifact is up-to-date.
Otherwise, construct a target with the given build task.
-/
def skipIfNewer
[GetMTime a] (artifact : a) (trace : LakeTrace)
(build : IO (IOTask PUnit)) : IO (ActiveLakeTarget a) := do
ActiveTarget.mk artifact trace <| ←
skipIf (← checkIfNewer artifact trace.mtime) build
-- # Build `.o` Files
def buildLeanO (oFile : FilePath)
(cTarget : ActiveFileTarget) (leancArgs : Array String := #[]) : IO (IOTask PUnit) :=
cTarget >> compileLeanO oFile cTarget.artifact leancArgs
def fetchLeanOFileTarget (oFile : FilePath)
(cTarget : ActiveFileTarget) (leancArgs : Array String := #[]) : IO ActiveFileTarget :=
skipIfNewer oFile cTarget.trace <| buildLeanO oFile cTarget leancArgs
-- # Build Package Lib
def PackageTarget.fetchOFileTargets
(self : PackageTarget) : IO (Array ActiveFileTarget) := do
self.moduleTargets.mapM fun (mod, target) => do
let oFile := self.package.modToO mod
fetchLeanOFileTarget (oFile) target.cTarget self.package.leancArgs
def PackageTarget.buildStaticLib
(self : PackageTarget) : IO (IOTask PUnit) := do
let oFileTargets ← self.fetchOFileTargets
let oFiles := oFileTargets.map (·.artifact)
oFileTargets >> compileStaticLib self.package.staticLibFile oFiles
def PackageTarget.fetchStaticLibTarget (self : PackageTarget) : IO ActiveFileTarget := do
skipIfNewer self.package.staticLibFile self.trace self.buildStaticLib
def Package.fetchStaticLibTarget (self : Package) : IO ActiveFileTarget := do
(← self.buildTarget).fetchStaticLibTarget
def Package.fetchStaticLib (self : Package) : IO FilePath := do
let target ← self.fetchStaticLibTarget
try target.materialize catch _ =>
-- actual error has already been printed within the task
throw <| IO.userError "Build failed."
return target.artifact
def buildLib (pkg : Package) : IO PUnit :=
discard pkg.fetchStaticLib
-- # Build Package Bin
def PackageTarget.buildBin
(depTargets : List PackageTarget) (self : PackageTarget)
: IO (IOTask PUnit) := do
let oFileTargets ← self.fetchOFileTargets
let libTargets ← depTargets.mapM (·.fetchStaticLibTarget)
let moreLibTargets ← self.package.buildMoreLibTargets
let linkTargets := oFileTargets ++ libTargets ++ moreLibTargets
let linkFiles := linkTargets.map (·.artifact)
linkTargets >> compileLeanBin self.package.binFile linkFiles self.package.linkArgs
def PackageTarget.fetchBinTarget
(depTargets : List PackageTarget) (self : PackageTarget) : IO ActiveFileTarget :=
skipIfNewer self.package.binFile self.trace <| self.buildBin depTargets
def Package.fetchBinTarget (self : Package) : IO ActiveFileTarget := do
let depTargets ← self.buildDepTargets
let pkgTarget ← self.buildTargetWithDepTargets depTargets
pkgTarget.fetchBinTarget depTargets
def Package.fetchBin (self : Package) : IO FilePath := do
let target ← self.fetchBinTarget
try target.materialize catch _ =>
-- actual error has already been printed within the task
throw <| IO.userError "Build failed."
return target.artifact
def buildBin (pkg : Package) : IO PUnit :=
discard pkg.fetchBin