PmDriver.icl 79.5 KB
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implementation module PmDriver

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import StdArray,StdBool,StdList,StdMisc,StdEnum,StdStrictLists
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from StdOverloadedList import Foldr,++|,Hd,Any
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import UtilNewlinesFile, UtilIO

import IdeState
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from typeatt import update_type_window
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from errwin  import updateErrorWindow
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from messwin import showInfo, :: InfoMessage(..)
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from projwin import pm_update_project_window
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import PmCallBack

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import PmCleanSystem,PmPath,PmProject
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from PmDialogues import doPathsDialog
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import PmAbcMagic,PmFileInfo,PmDirCache
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import Platform
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from StdLibMisc import :: Date{..}, :: Time{..}
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verboseInfo verbose info ps :== verbi verbose info ps
where
	verbi verbose info ps
		| not verbose && level3 info
			= ps
			= showInfo info ps

	level3 (Level3 _) = True
	level3 _ = False

traceInfo _ ps :== ps
//traceInfo i ps :== showInfo i ps

getFICache` ps
	# (_,ps)	= getFICache ps
	# fi		= FI_EmptyCache
	= (fi,ps)

/*--- TO DO:

system module dependancy analysis is possible...

	ie. when you encounter a system module that must be recompiled then check in done list
	and remove those that depend on this system module and put them back into the todo list

should also be possible to detect cycles... -> generate warning dialogue...

---*/

System			:== "_system"

//--- project manager routines

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:: SetMadeProjectFun :== Bool -> Bool -> Project -> GeneralSt -> GeneralSt
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//	Compile /Check Syntax of the designated module
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CompileProjectModule ::	!CompileOrCheckSyntax !Pathname !Project !SetMadeProjectFun !*GeneralSt -> *GeneralSt
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CompileProjectModule compilerOrCheckSyntax imp_pathname project setproject ps
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	# ps					= ClearCompilerCache` ps
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	# (syspaths,ps)			= getCurrentPaths ps
	# prjpaths				= PR_GetPaths project
	# srcpaths				= AppendLists prjpaths syspaths
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	# (mdn,imp_pathname) = determine_dir_and_filename imp_pathname srcpaths
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	#! (abccache,ps)		= getABCCache ps
	#! (fileinfo,ps)		= getFICache` ps
	#! ((errs,warns,dircache),ps)
							= accFiles (DC_Setup srcpaths) ps
	# ({be_verbose},ps)		= getPrefs ps
	#! ps					= HandleDCErrors be_verbose errs warns ps
	#! (ps,fileinfo,_,abccache,project,ok,newpaths,_,_)
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							= CompileTheProjectModule compilerOrCheckSyntax mdn imp_pathname fileinfo dircache abccache project ps
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	# ps					= setABCCache abccache ps
	# ps					= setFICache fileinfo ps
	= setproject ok newpaths project ps

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GenAsmProjectModule :: !.Pathname !Project !SetMadeProjectFun !*GeneralSt -> *GeneralSt
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GenAsmProjectModule imp_pathname project setproject ps
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	# ps					= ClearCompilerCache` ps
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	# (syspaths,ps)			= getCurrentPaths ps
	# prjpaths				= PR_GetPaths project
	# srcpaths				= AppendLists prjpaths syspaths
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	# (mdn,imp_pathname) = determine_dir_and_filename imp_pathname srcpaths
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	# (abccache,ps)			= getABCCache ps
	#! (fileinfo,ps)		= getFICache` ps
	# ((errs,warns,dircache),ps)
							= accFiles (DC_Setup srcpaths) ps
	# ({be_verbose},ps)		= getPrefs ps
	# ps					= HandleDCErrors be_verbose errs warns ps
	# (ps,fileinfo,_,abccache,project,ok,newpaths,abcpath,_)
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							= CompileTheProjectModule Compilation mdn imp_pathname fileinfo dircache abccache project ps
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	| not ok || newpaths
		# ps				= setABCCache abccache ps
		# ps				= setFICache fileinfo ps
		= setproject True False project ps
	#	(ps,abccache,fileinfo,project,ok,_)
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							= GenCodeTheProjectModule True False AsmGeneration mdn abcpath abccache fileinfo project ps
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	# ps					= setABCCache abccache ps
	# ps					= setFICache fileinfo ps
	= setproject True ok project ps

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:: CleanupCont :== Pathname Bool Bool *GeneralSt -> *GeneralSt
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:: *DriverCompilingInfo
	= Sync
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	| AsyncWin ![CurrentlyCompiled] !AsyncWinCompilingInfo
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	| Async	![CurrentlyCompiled] !AsyncCompilingInfo
	| Pers	!*CompilingInfo

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::	AsyncWinCompilingInfo = {
		win_max_n_processes :: !Int,
		win_compiler_process_ids :: !CompilerProcessIds
	};

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::	AsyncCompilingInfo = {
		max_n_processes :: !Int,
		compiler_process_ids :: !CompilerProcessIds,
		unknown_finished_processors :: !UnknownFinishedProcessors
	};

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:: *DriverState
	= DInit !Bool !Project !MTPContinuation
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	| DComp !Bool !*DirCache !DriverCompilingInfo ![!ModuleDirAndName] !DriverStateRecord
	| DGene ![!ModuleDirAndName] !DriverCodeGenerationInfo !DriverStateRecord
	| DQuitCompilers ![!ModuleDirAndName] !DriverCompilingInfo !DriverStateRecord
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	| DLink !DriverStateRecord
	| DDone

:: *DriverStateRecord =
	{ project	:: !Project
	, continue	:: !MTPContinuation
	, fileinfo	:: !FileInfoCache
	, abccache	:: !*ABCCache
	, libsinfo	:: !StaticLibInfo
	, ok		:: !Bool
	, newpaths	:: !Bool
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	, modpaths	:: ![!ModuleDirAndName]
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	}

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BringProjectUptoDate :: !Bool CleanupCont !*GeneralSt -> *GeneralSt
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BringProjectUptoDate force continuation ps
	#  (project,ps)		= getProject ps

	#	ps				= PrecompileFase project ps

	#	ps				= showInfo (Level1 "Bring up to date...") ps
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	#	ps				= ClearCompilerCache` ps
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		ini_step		= DInit force project cleanup
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	= start ini_step step ps
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where
	PrecompileFase project ps
		# (precompile,project)	= PR_GetPrecompile project
		| isJust precompile
			# ps				= showInfo (Level1 "Precompile...") ps
			# (ok,ec,ps)		= Execute` (fromJust precompile) ps
			// error handling???
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			= ps
		= ps

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	PostlinkFase ok project ps
		| not ok
			= ps
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		# (postlink,project)	= PR_GetPostlink project
		| isJust postlink
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			# (Just post_link)	= postlink
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			# (prj_path,ps)		= getProjectFilePath ps
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			# prj_dir_path  = PR_GetRootDir project
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			# (app_path,ps)		= getStup ps
			# post_link			= fulPath app_path prj_dir_path post_link
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			# ps				= showInfo (Level1 "Postlink...") ps
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			# (ok,ec,ps)		= Execute` ("\""+++post_link+++"\" \""+++prj_path+++"\"") ps
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			= ps
		= ps
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	cleanup :: !Bool !Bool !Bool !FileInfoCache !StaticLibInfo ![!ModuleDirAndName] !Project !Bool (!*ABCCache,!GeneralSt) -> *(!*DriverState,!*GeneralSt)
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	cleanup ok newpaths linked fileinfo libsinfo modpaths project intr (abccache,ps)
		| newpaths && not intr		// if paths have changed -> try again
			# ps			= showInfo (Level1 "Paths have changed: remaking.") ps
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			# ps			= ClearCompilerCache` ps
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			= MakeTheProject False fileinfo libsinfo abccache project cleanup` ps

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		# ps				= PostlinkFase ok project ps
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		# ps				= showInfo (Level1 "Finished making.") ps
		# ps				= setProject project ps
		# ps				= setABCCache abccache ps
		# ps				= setFICache fileinfo ps
		# ps				= pm_update_project_window ps
		# path				= PR_GetExecPath project
		= stop (DDone,continuation path linked ok ps)
	
	cleanup` :: MTPContinuation
	cleanup` = cleanup

//-- Private stuff

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:: MTPContinuation :== Bool Bool Bool FileInfoCache StaticLibInfo [!ModuleDirAndName] Project Bool *(*ABCCache,GeneralSt) -> *(*DriverState,*GeneralSt)
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MakeTheProject :: !Bool !FileInfoCache !StaticLibInfo !*ABCCache !Project !MTPContinuation !GeneralSt -> (!*DriverState,!*GeneralSt)
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MakeTheProject force fileinfo libsinfo abccache project continue ps
	# (syspaths,ps)			= getCurrentPaths ps
	# prjpaths				= PR_GetPaths project
	# srcpaths				= AppendLists prjpaths syspaths
	# ((errs,warns,dircache),ps)
							= accFiles (DC_Setup srcpaths) ps
	# ({be_verbose},ps)		= getPrefs ps
	# ps					= HandleDCErrors be_verbose errs warns ps
	# (root,project)		= PR_GetRootPathName project
	# root					= MakeDefPathname root	// avoid double compilation...
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	# (root_mdn,project)	= PR_GetRootModuleDirAndName project
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	# (env_static_libs,ps)	= getCurrentSlibs ps
	# sfiles				= (StrictListToList(Concat (SL_Libs libsinfo) env_static_libs))
	# (err,ps)				= check_exists sfiles ps
	| isJust err
		# line				= Level3 ["Error: Unable to find static library: '" +++ fromJust err +++ "'."]
		# ps				= showInfo line ps
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		= continue False False False fileinfo libsinfo [!] project False (abccache, ps)
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	# ((errs,slibs),ps)		= accFiles (getLibs sfiles) ps
	| not (isEmpty errs)
		# line				= Level3 ["Error: Failed reading static libraries: '" :errs]
		# ps				= showInfo line ps
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		= continue False False False fileinfo libsinfo [!] project False (abccache, ps)
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	# slibs					= ListToStrictList slibs
	# libsinfo				= SL_SetDcls slibs libsinfo
	# ps					= showInfo (Level1 "Compiling...") ps
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	# rest					= [!root_mdn]
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	# (method,ps)			= getCurrentMeth ps
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	# (compinfo,ps) = case method of
				CompileSync			-> (Sync,ps)
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				(CompileAsync cmax)	-> PlatformDependant
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										(AsyncWin [] {win_max_n_processes=cmax,win_compiler_process_ids=NoCompilerProcessIds},ps)								// win
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										(let (compiler_process_ids,ps2) = getCompilerProcessIds ps
										 in  (Async [] {max_n_processes=cmax,compiler_process_ids=compiler_process_ids,unknown_finished_processors=NoUnknownFinishedProcessors},ps2)	// mac
										)
				CompilePers			-> (Pers InitCompilingInfo,ps)
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	# ds = 
		{ project	= project
		, continue	= continue
		, fileinfo	= fileinfo
		, abccache	= abccache
		, libsinfo	= libsinfo
		, ok		= True
		, newpaths	= False
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		, modpaths	= [!]
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		}
	= step False (DComp force dircache compinfo rest ds) ps
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where
	check_exists [] ps = (Nothing,ps)
	check_exists [file:rest] ps
		# (ok,ps) = accFiles (FExists file) ps
		| ok = check_exists rest ps
		= (Just file,ps)

:: CurrentlyCompiled =
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	{ iclModule	:: !ModuleDirAndName
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	, options	:: CompilerOptions
	, slot		:: !Int
	}

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:: *DriverCodeGenerationInfo
	= SyncCodeGeneration
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	| ASyncCodeGeneration ![CodeGeneratorProcessNAndPaths] !AsyncCompilingInfo
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	| ASyncCodeGenerationWin ![WinCodeGeneratorProcess] /*max_n_processes*/!Int

:: CodeGeneratorProcessNAndPaths
	= { cgp_process_n :: !Int, cgp_module_name :: !Modulename, cgp_obj_path :: !Pathname }

:: WinCodeGeneratorProcess = {
	wcgp_process_n :: !Int,
	wcgp_process_handle :: !Int,
	wcgp_scg :: !StartedCodeGenerator,
	wcgp_module_name :: !Modulename,
	wcgp_obj_path :: !Pathname
   }

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module_occurs :: !String ![!ModuleDirAndName] -> Bool
module_occurs s [|x:xs] = x.mdn_name == s || module_occurs s xs
module_occurs s [!] =  False

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get_neverTimeProfile_option :: !{#Char} Project !*GeneralSt -> (!Bool,!*GeneralSt)
get_neverTimeProfile_option module_name project ps
	= case (PR_GetModuleInfo module_name project) of
		Just modinfo
			-> (modinfo.compilerOptions.neverTimeProfile,ps)
		_
			# (prefs,ps) = getPrefs ps
			  defaultCO = prefs.compopts
			-> (defaultCO.neverTimeProfile,ps)
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step :: !Bool !*DriverState !*GeneralSt -> (!*DriverState,!*GeneralSt)
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step intr (DInit force project setproject) ps
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//	# ps				= showInfo (Level1 "Make the project...") ps
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	# libsinfo			= PR_GetStaticLibsInfo project
	# (abccache,ps)		= getABCCache ps
	# (fileinfo,ps)		= getFICache` ps
	= MakeTheProject force fileinfo libsinfo abccache project setproject ps

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step True (DComp force dircache compinfo rest ds) ps
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	# ds = {ds & ok = False}
	# (modpaths,ds) = ds!modpaths
	= case compinfo of
		Pers inf
			#! ds = DGene modpaths SyncCodeGeneration ds
			// compile phase finished: kill clean compiler
			# (_,ps) = ExitCleanCompiler (inf,ps)
			-> step True ds ps
		AsyncWin _ _
			#! ds = DQuitCompilers modpaths compinfo ds
			-> step True ds ps
		_
			#! ds = DGene modpaths SyncCodeGeneration ds
			// need async cocl shootdown as well..
			-> step True ds ps
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step intr (DComp force dircache Sync [!] ds) ps
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	// compile phase finished: remove all modules not (indirectly) imported by main module
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	# project				= PR_SetBuilt ds.modpaths ds.project	// removes unused modules
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	# (modpaths,project)	= PR_GetDirAndModulenames project
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	# ds					= {ds & modpaths = modpaths, project = project}
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	# ps					= showInfo (Level1 "Generating...") ps
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	# (paths,ds)			= ds!modpaths
	= step intr (DGene paths SyncCodeGeneration ds) ps
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step intr (DComp force dircache Sync [!next : rest] ds) ps
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	// compile phase: check module 'next'
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	| module_occurs next.mdn_name ds.modpaths
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		// if already done then skip
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		= step intr (DComp force dircache Sync rest ds) ps
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	| isProjLibraryModule next.mdn_name ds.libsinfo
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		// instead of testing explicitly put libmodules in done <= conflicts with other administration
		= step intr (DComp force dircache Sync rest ds) ps
	# (ps,dircache,ok,newpaths`,rest,compinfo,ds,_)
							= UpdateDependencies force next rest Sync dircache ds ps
	# ds	= {ds & newpaths = ds.newpaths || newpaths`, ok = ok}
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	| not ok
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		# (paths,ds)		= ds!modpaths
		= step intr (DGene paths SyncCodeGeneration ds) ps
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	# ds & modpaths = [!next : ds.modpaths]
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	= cont (DComp force dircache compinfo rest ds,ps)
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step intr (DComp force dircache (Pers inf) [!] ds) ps
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	// compile phase finished: kill clean compiler
	# (_,ps)				= ExitCleanCompiler (inf,ps)
	// compile phase finished: remove all modules not (indirectly) imported by main module
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	# project				= PR_SetBuilt ds.modpaths ds.project	// removes unused modules
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	# (modpaths,project)	= PR_GetDirAndModulenames project
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	# ds					= {ds & modpaths = modpaths, project = project}
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	# ps					= showInfo (Level1 "Generating...") ps
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	# (paths,ds)			= ds!modpaths
	= step intr (DGene paths SyncCodeGeneration ds) ps
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step intr (DComp force dircache compinfo=:(Pers _) [!next:rest] ds) ps
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	// compile phase: check module 'next'
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	| module_occurs next.mdn_name ds.modpaths
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		// if already done then skip
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		= step intr (DComp force dircache compinfo rest ds) ps
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	| isProjLibraryModule next.mdn_name ds.libsinfo
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		// instead of testing explicitly put libmodules in done <= conflicts with other administration
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		= step intr (DComp force dircache compinfo rest ds) ps
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	# (ps,dircache,ok,newpaths`,rest,compinfo,ds,_)
							= UpdateDependencies force next rest compinfo dircache ds ps
	# ds	= {ds & newpaths = ds.newpaths || newpaths`, ok = ok}
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	| not ok
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		# (Pers inf)		= compinfo
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		# (_,ps)			= ExitCleanCompiler (inf,ps)
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		# (paths,ds)		= ds!modpaths
		= step intr (DGene paths SyncCodeGeneration ds) ps
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	# ds & modpaths = [!next : ds.modpaths]
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	= cont (DComp force dircache compinfo rest ds,ps)
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step intr (DComp force dircache (Async [] async_compiling_info=:{max_n_processes,compiler_process_ids,unknown_finished_processors=NoUnknownFinishedProcessors}) [!] ds) ps
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	// compile phase finished: remove all modules not (indirectly) imported by main module
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	# project				= PR_SetBuilt ds.modpaths ds.project	// removes unused modules
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	# (modpaths,project)	= PR_GetDirAndModulenames project
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	# ds					= {ds & modpaths = modpaths, project = project}
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	# (os_error,ps)			= ClearCompilerCaches compiler_process_ids ps;
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	# ps					= showInfo (Level1 "Generating...") ps
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	# (paths,ds)			= ds!modpaths
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	= step intr (DGene paths (ASyncCodeGeneration [] async_compiling_info) ds) ps
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step intr (DComp force dircache (AsyncWin [] {win_compiler_process_ids,win_max_n_processes}) [!] ds) ps
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	// compile phase finished: remove all modules not (indirectly) imported by main module
	# project				= PR_SetBuilt ds.modpaths ds.project	// removes unused modules
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	# (modpaths,project)	= PR_GetDirAndModulenames project
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	# ds					= {ds & modpaths = modpaths, project = project}
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	# ps = app_world_instead_of_ps (QuitCleanCompiler True win_compiler_process_ids) ps;
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	# ps					= showInfo (Level1 "Generating...") ps
	# (paths,ds)			= ds!modpaths
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	= step intr (DGene paths (IF_MACOSX SyncCodeGeneration (ASyncCodeGenerationWin [] win_max_n_processes)) ds) ps
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step intr state=:(DComp force _ (Async _ _) _ _) ps
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	# (state, ps)			= check_completed state ps
	# (state, ps)			= start_compilations state ps
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	= cont (state, ps)
	where
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		check_completed :: !*DriverState !*GeneralSt -> (!*DriverState,!*GeneralSt)
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		check_completed state=:(DComp force _ (Async current=:[_:_] {max_n_processes,compiler_process_ids}) _ _)  ps
			= case (CompilePollCompleted compiler_process_ids ps) of
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				(NoFinishedCompiler,ps)
					-> check_unknow_processors_are_known state ps
				(UnknownFinishedCompiler,ps)
					-> case state of
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						DComp force dircache (Async current {max_n_processes,compiler_process_ids,unknown_finished_processors}) todo ds
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							# unknown_finished_processors = add_unknown_finished_processor unknown_finished_processors
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							# state = DComp force dircache (Async current {max_n_processes=max_n_processes,compiler_process_ids=compiler_process_ids,unknown_finished_processors=unknown_finished_processors}) todo ds
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							-> check_completed state ps
				(FinishedCompiler completedSlot exitcode,ps)
					#! (state,ps) = process_completed completedSlot exitcode state ps
					-> check_completed state ps
		check_completed state ps
			= check_unknow_processors_are_known state ps

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		check_unknow_processors_are_known (DComp force dircache (Async current {max_n_processes,compiler_process_ids,unknown_finished_processors=UnknownFinishedProcessors n_unknown_finished_processors known_finished_processors}) todo ds) ps
			| n_unknown_finished_processors+length known_finished_processors>=max_n_processes
				# state = DComp force dircache (Async current {max_n_processes=max_n_processes,compiler_process_ids=compiler_process_ids,unknown_finished_processors=NoUnknownFinishedProcessors}) todo ds
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				# (state,ps) = handle_completed_processes 0 state ps
					with
						handle_completed_processes process_n state ps
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							| process_n>=max_n_processes
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								= (state,ps)
							| isMember process_n known_finished_processors
								= handle_completed_processes (process_n+1) state ps
								# (_,ps) = SendRepeatResult process_n ps
								/*
								# exitcode = 1
								#! (state,ps) = process_completed process_n exitcode state ps
								*/
								= handle_completed_processes (process_n+1) state ps								
				= (state, ps)
		check_unknow_processors_are_known state ps
			=	(state, ps)

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		process_completed :: !Int !Int !*DriverState !*GeneralSt -> (!*DriverState,!*GeneralSt)
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		process_completed completedSlot exitcode (DComp force dircache (Async current {max_n_processes,compiler_process_ids,unknown_finished_processors}) todo ds) ps
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			# (completed, current)			= removeFromCurrent completedSlot current
			# unknown_finished_processors	= remove_from_unknown_finished_processors completedSlot unknown_finished_processors
			# (startupdir,ps)				= getStup ps
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			# (interact, ps)				= getInteract ps
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			# typewin = update_type_window interact completed.iclModule.mdn_name
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			# ccstring						= "dummy ccstring for now.."
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			# (abcpath,res,ps)				= CompileHandleExitCode exitcode ccstring startupdir completedSlot updateErrorWindow typewin 
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												completed.iclModule completed.options.listTypes ps // types param
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			# (_,(ps,fileinfo,dircache,abccache,project,ok,newpaths`,_,deps))
											= ProcessCompilerMsg Nothing Compilation completed.options completed.iclModule abcpath res ds.fileinfo dircache ds.abccache ds.project ps
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			# ds							= {ds & newpaths = ds.newpaths || newpaths`, fileinfo = fileinfo, abccache = abccache, project = project, ok = ok}
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			| ok
				# ds & modpaths = [!completed.iclModule : ds.modpaths]
				  todo = deps++|todo
				= (DComp force dircache (Async current {max_n_processes=max_n_processes,compiler_process_ids=compiler_process_ids,unknown_finished_processors=unknown_finished_processors}) todo ds, ps)
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			// not ok
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				# (os_error,ps) = ClearCompilerCaches compiler_process_ids ps;
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				# (paths,ds)	= ds!modpaths
				= (DGene paths SyncCodeGeneration ds, ps)
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		start_compilations :: !*DriverState !*GeneralSt -> (!*DriverState,!*GeneralSt)
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		start_compilations state=:(DComp force dircache (Async current {max_n_processes,compiler_process_ids,unknown_finished_processors}) [!next : rest] ds) ps
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			// all threads used?
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			| length current >= max_n_processes
				# ps = DelayEventLoop ps;			
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				= (state, ps)
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			// compile phase: check module 'next'
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			| module_occurs next.mdn_name ds.modpaths || currently_compiled next.mdn_name current
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				= start_compilations (DComp force dircache (Async current {max_n_processes=max_n_processes,compiler_process_ids=compiler_process_ids,unknown_finished_processors=unknown_finished_processors}) rest ds) ps
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			| isProjLibraryModule next.mdn_name ds.libsinfo
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				// instead of testing explicitly put libmodules in done <= conflicts with other administration
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				= (DComp force dircache (Async current {max_n_processes=max_n_processes,compiler_process_ids=compiler_process_ids,unknown_finished_processors=unknown_finished_processors}) rest ds, ps)
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			# (ps,dircache,ok,_,rest,compinfo,ds,_)
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				= UpdateDependencies force next rest (Async current {max_n_processes=max_n_processes,compiler_process_ids=compiler_process_ids,unknown_finished_processors=unknown_finished_processors}) dircache ds ps
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			# ds = {ds & ok = ok}
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			| not ok
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				# (os_error,ps) = ClearCompilerCaches compiler_process_ids ps;
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				#! (paths,ds)	= ds!modpaths
				= (DGene paths SyncCodeGeneration ds, ps)
			= start_compilations (DComp force dircache compinfo rest ds) ps
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		start_compilations state ps
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			# ps = DelayEventLoop ps
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			= (state, ps)

step intr state=:(DComp force dircache compinfo=:(AsyncWin _ _) rest ds) ps
	# (state, ps) = check_completed state ps
	# (state, ps) = start_compilations state ps
	= cont (state, ps)
	where
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		check_completed :: !*DriverState !*GeneralSt -> (!*DriverState,!*GeneralSt)
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		check_completed state=:(DComp _ _ (AsyncWin current=:[_:_] {win_compiler_process_ids}) _ _)  ps
			=	case (CompilePollCompleted win_compiler_process_ids ps) of
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					(NoFinishedCompiler, ps)
						-> (state, ps)
					(FinishedCompiler completedSlot exitcode, ps)
						#! (state,ps) = process_completed completedSlot exitcode state ps
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						-> IF_BATCHBUILD_OR_IDE
								(state,ps)
								(check_completed state ps)
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					(UnknownFinishedCompiler,ps)
						-> (state, ps)	// -> doesn't occur on win
		check_completed state ps
			=	(state, ps)

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		process_completed :: !Int !Int !*DriverState !*GeneralSt -> (!*DriverState,!*GeneralSt)
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		process_completed completedSlot exitcode (DComp force dircache (AsyncWin current {win_max_n_processes,win_compiler_process_ids}) todo ds) ps
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			# (completed, current)	= removeFromCurrent completedSlot current
			# (startupdir,ps)		= getStup ps
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			# (interact, ps)		= getInteract ps
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			# typewin				= update_type_window interact completed.iclModule.mdn_name
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			# ccstring				= "dummy ccstring for now.."
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			# (abcpath,res,ps)		= CompileHandleExitCode exitcode ccstring startupdir completedSlot updateErrorWindow typewin 
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										completed.iclModule completed.options.listTypes ps // types param
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			# (_,(ps,fileinfo,dircache,abccache,project,ok,newpaths`,_,deps))
				= ProcessCompilerMsg Nothing Compilation completed.options completed.iclModule abcpath res ds.fileinfo dircache ds.abccache ds.project ps
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			# ds					= {ds & newpaths = ds.newpaths || newpaths`, fileinfo = fileinfo, abccache = abccache, project = project, ok = ok}
			| ok
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				# ds & modpaths = [!completed.iclModule : ds.modpaths]
				  todo = deps++|todo
				= (DComp force dircache (AsyncWin current {win_max_n_processes=win_max_n_processes,win_compiler_process_ids=win_compiler_process_ids}) todo ds, ps)
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			// not ok
				# (paths,ds)	= ds!modpaths
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				= (DQuitCompilers paths (AsyncWin current {win_max_n_processes=win_max_n_processes,win_compiler_process_ids=win_compiler_process_ids}) ds,ps)
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		start_compilations :: !*DriverState !*GeneralSt -> (!*DriverState,!*GeneralSt)
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		start_compilations state=:(DComp force dircache (AsyncWin current {win_max_n_processes,win_compiler_process_ids}) [!next : rest] ds) ps
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			| length current >= win_max_n_processes
				# ps = DelayEventLoop ps;			
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				= (state, ps)
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			// compile phase: check module 'next'
			| module_occurs next.mdn_name ds.modpaths || currently_compiled next.mdn_name current
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				= start_compilations (DComp force dircache (AsyncWin current {win_max_n_processes=win_max_n_processes,win_compiler_process_ids=win_compiler_process_ids}) rest ds) ps
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			| isProjLibraryModule next.mdn_name ds.libsinfo
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				// instead of testing explicitly put libmodules in done <= conflicts with other administration
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				= (DComp force dircache (AsyncWin current {win_max_n_processes=win_max_n_processes,win_compiler_process_ids=win_compiler_process_ids}) rest ds, ps)
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			# (ps,dircache,ok,_,rest,compinfo,ds,_)
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				= UpdateDependencies force next rest (AsyncWin current {win_max_n_processes=win_max_n_processes,win_compiler_process_ids=win_compiler_process_ids}) dircache ds ps
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			# ds = {ds & ok = ok}
			| not ok
				#! (paths,ds)	= ds!modpaths
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				= (DQuitCompilers paths (AsyncWin current {win_max_n_processes=win_max_n_processes,win_compiler_process_ids=win_compiler_process_ids}) ds,ps)
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			= start_compilations (DComp force dircache compinfo rest ds) ps
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		start_compilations state=:(DComp force dircache (AsyncWin [] _) [!] ds) ps
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			= (state, ps)
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		start_compilations state ps
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			# ps = DelayEventLoop ps;
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			= (state, ps)

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step intr (DQuitCompilers modpaths (AsyncWin [] {win_compiler_process_ids}) ds) ps
	# ps = app_world_instead_of_ps (QuitCleanCompiler True win_compiler_process_ids) ps
	= step intr (DGene modpaths SyncCodeGeneration ds) ps
step intr state=:(DQuitCompilers modpaths (AsyncWin current async_win_compiling_info=:{win_compiler_process_ids}) ds) ps
	= case (CompilePollCompleted win_compiler_process_ids ps) of
		(NoFinishedCompiler, ps)
			-> cont (state, ps)
		(FinishedCompiler completedSlot exitcode, ps)
			# (completed, current) = removeFromCurrent completedSlot current
			-> cont (DQuitCompilers modpaths (AsyncWin current async_win_compiling_info) ds, ps)
		(UnknownFinishedCompiler,ps)
			-> cont (state, ps)	// -> doesn't occur on win

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step intr (DGene [!] SyncCodeGeneration ds) ps
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	#! ps	= showInfo (Level1 "Linking...") ps
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	= step intr (DLink ds) ps
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step intr (DGene [!] (ASyncCodeGeneration [] {unknown_finished_processors=NoUnknownFinishedProcessors,compiler_process_ids}) ds) ps
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	# ps = setCompilerProcessIds compiler_process_ids ps
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	#! ps	= showInfo (Level1 "Linking...") ps
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	= step intr (DLink ds) ps
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step intr (DGene [!] (ASyncCodeGenerationWin [] _) ds) ps
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	#! ps	= showInfo (Level1 "Linking...") ps
	= step intr (DLink ds) ps

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step intr (DGene [!mdn:rest] SyncCodeGeneration ds) ps
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	| not ds.ok || intr
		# ds = {ds & ok = False}
		= step intr (DLink ds) ps
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	# (ps,abccache,fileinfo,gen,abcpath)	= CheckABCOutOfDate False mdn ds.abccache ds.fileinfo ds.project ps
	# (ps,abccache,fileinfo,project,ok,_)	= GenCodeTheProjectModule gen False CodeGeneration mdn abcpath abccache fileinfo ds.project ps
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	# ds = {ds & abccache = abccache, fileinfo = fileinfo, project = project, ok = ok}
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	| not ok
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		= step intr (DLink ds) ps
	= cont (DGene rest SyncCodeGeneration ds, ps)
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step intr (DGene paths (ASyncCodeGeneration busy_processes {max_n_processes,compiler_process_ids,unknown_finished_processors}) ds) ps
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	# (ok,busy_processes,unknown_finished_processors,project,fileinfo,ps)
		= handle_finished_code_generators busy_processes unknown_finished_processors ds.project ds.fileinfo ps
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		with
			handle_finished_code_generators busy_processes=:[_:_] unknown_finished_processors project fileinfo ps
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				= case (CompilePollCompleted compiler_process_ids ps) of
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					(NoFinishedCompiler, ps)
						-> check_unknow_processors_are_known busy_processes unknown_finished_processors project fileinfo ps
					(UnknownFinishedCompiler,ps)
						# unknown_finished_processors = add_unknown_finished_processor unknown_finished_processors
						-> (True,busy_processes,unknown_finished_processors,project,fileinfo,ps)
					(FinishedCompiler finished_cg_slot_n exit_code, ps)
//						# ps  = trace ("code generator finished "+++toString finished_cg_slot_n+++" "+++toString exit_code+++"\n") ps
//						# ps  = trace ("f "+++toString finished_cg_slot_n+++" "+++toString exit_code+++" ") ps

						# unknown_finished_processors = remove_from_unknown_finished_processors finished_cg_slot_n unknown_finished_processors
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						# (module_name,obj_path,busy_processes) = get_paths_and_remove_process_from_list finished_cg_slot_n busy_processes
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							with
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								get_paths_and_remove_process_from_list finished_cg_slot_n [busy_process=:{cgp_process_n,cgp_module_name,cgp_obj_path} : rest]
									| finished_cg_slot_n==cgp_process_n
										= (cgp_module_name,cgp_obj_path,rest)
										# (module_name,obj_path,rest) = get_paths_and_remove_process_from_list finished_cg_slot_n rest
										= (module_name,obj_path,[busy_process:rest])
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								get_paths_and_remove_process_from_list finished_cg_slot_n []
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									= abort "driver.icl: unknown code generator id"
						| exit_code==0
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							# (fileinfo,ps) = accFiles (FI_UpdateObjDate module_name obj_path fileinfo) ps
							# project = PR_SetCodeGenerated module_name project
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							-> handle_finished_code_generators busy_processes unknown_finished_processors project fileinfo ps
							-> (False,busy_processes,unknown_finished_processors,project,fileinfo,ps)
			handle_finished_code_generators [] unknown_finished_processors project fileinfo ps
				= check_unknow_processors_are_known [] unknown_finished_processors project fileinfo ps

			check_unknow_processors_are_known busy_processes (UnknownFinishedProcessors n_unknown_finished_processors known_finished_processors) project fileinfo ps
				| n_unknown_finished_processors+length known_finished_processors>=max_n_processes
					# (busy_processes,project,fileinfo,ps) = handle_completed_processes 0 busy_processes project fileinfo ps
						with
							handle_completed_processes process_n busy_processes project fileinfo ps
								| process_n>=max_n_processes
									= (busy_processes,project,fileinfo,ps)
								| isMember process_n known_finished_processors
									= handle_completed_processes (process_n+1) busy_processes project fileinfo ps
									# (_,ps) = SendRepeatResult process_n ps
									/*
									# unknown_finished_processors = remove_from_unknown_finished_processors finished_cg_slot_n unknown_finished_processors
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									# (abc_path,obj_path,busy_processes) = get_paths_and_remove_process_from_list finished_cg_slot_n busy_processes
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										with
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											get_paths_and_remove_process_from_list finished_cg_slot_n [busy_process=:(slot,abc_path,obj_path) : rest]
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												| process_n==slot
													= (abc_path,obj_path,rest)
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													# (abc_path,obj_path,rest) = get_paths_and_remove_process_from_list finished_cg_slot_n rest
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													= (abc_path,obj_path,[busy_process:rest])
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											get_paths_and_remove_process_from_list finished_cg_slot_n []
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												= abort "driver.icl: unknown code generator id"
									# (fileinfo,ps) = accFiles (FI_UpdateObjDate abc_path obj_path fileinfo) ps
									# project = PR_SetCodeGenerated (GetModuleName abc_path) project
									*/
									= handle_completed_processes (process_n+1) busy_processes project fileinfo ps								
					= (True,busy_processes,NoUnknownFinishedProcessors,project,fileinfo,ps)
			check_unknow_processors_are_known busy_processes unknown_finished_processors project fileinfo ps
				= (True,busy_processes,unknown_finished_processors,project,fileinfo,ps)
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	# ds = {ds & fileinfo = fileinfo, project = project, ok = ds.ok && ok && not intr}
	| not ds.ok
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		= cont (DGene paths (ASyncCodeGeneration busy_processes {max_n_processes=max_n_processes,compiler_process_ids=compiler_process_ids,unknown_finished_processors=unknown_finished_processors}) ds,ps)
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	| (length busy_processes>=max_n_processes || (case paths of [!] -> True ; _ -> False))
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		# ps = DelayEventLoop ps
		= cont (DGene paths (ASyncCodeGeneration busy_processes {max_n_processes=max_n_processes,compiler_process_ids=compiler_process_ids,unknown_finished_processors=unknown_finished_processors}) ds,ps)
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	# (ok,paths,busy_processes,fileinfo,abccache,ps) = start_code_generators paths busy_processes ds.fileinfo ds.abccache ps
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		with
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			start_code_generators :: [!ModuleDirAndName] [CodeGeneratorProcessNAndPaths] FileInfoCache *ABCCache !*GeneralSt -> *(.Bool,[!ModuleDirAndName],[CodeGeneratorProcessNAndPaths],FileInfoCache,*ABCCache,!*GeneralSt)
			start_code_generators paths=:[!mdn : rest] busy_processes fileinfo abccache ps
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				| length busy_processes>=max_n_processes
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		 			# ps = DelayEventLoop ps
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					= (True,paths,busy_processes,fileinfo,abccache,ps)
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				# (ps,abccache,fileinfo,gen,abc_path)
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									= CheckABCOutOfDate False mdn abccache fileinfo project ps
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				# cgo				= PR_GetCodeGenOptions project
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				# (proc,ps)			= getCurrentProc ps
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				# ((abccache,fileinfo,info), ps)
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									= FI_GetFileInfo proc mdn abccache fileinfo ps
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				| not gen
					= start_code_generators rest busy_processes fileinfo abccache ps
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				# module_name		= mdn.mdn_name
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				# ps				= showInfo (Level2 (
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													(foldl (+++) ("Generating code for "
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																	+++ module_name) [" "+++cgp_module_name \\ {cgp_module_name}<-busy_processes])
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													)) ps
				# (startupdir,ps)	= getStup ps
				# (cgen,ps)			= getCurrentCgen ps
				# ao				= PR_GetApplicationOptions project
				# (prefs,ps)		= getPrefs ps
				# defaultCO			= prefs.compopts
				# modname			= GetModuleName abc_path
				# co				= case (PR_GetModuleInfo modname project) of
										Just modinfo	-> modinfo.compilerOptions
										_				-> defaultCO
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				# timeprofile		= ao.profiling && (not co.neverTimeProfile)
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				# free_slot			= hd (removeMembers [0..max_n_processes-1] [cgp_process_n \\ {cgp_process_n} <- busy_processes])
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				# (res,obj_path,compiler_process_ids,ps) = StartCodeGenerator cgen updateErrorWindow CodeGeneration abc_path free_slot timeprofile cgo proc ao startupdir compiler_process_ids ps
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				| not res				
					= (False,rest,busy_processes,fileinfo,abccache,ps)
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				# busy_processes	= [{cgp_process_n=free_slot,cgp_module_name=module_name,cgp_obj_path=obj_path}:busy_processes]
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				= start_code_generators rest busy_processes fileinfo abccache ps
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			start_code_generators [!] busy_processes fileinfo abccache ps
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				# ps = DelayEventLoop ps
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				= (True,[!],busy_processes,fileinfo,abccache,ps)
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	# ds = {ds & fileinfo = fileinfo, abccache = abccache, ok = ok}
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	= cont (DGene paths (ASyncCodeGeneration busy_processes {max_n_processes=max_n_processes,compiler_process_ids=compiler_process_ids,unknown_finished_processors=unknown_finished_processors}) ds, ps)
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step intr (DGene paths (ASyncCodeGenerationWin busy_processes win_max_n_processes) ds) ps
	# (ok,busy_processes,project,fileinfo,ps)
		= handle_finished_code_generators busy_processes ds.project ds.fileinfo ps
		with
			handle_finished_code_generators busy_processes=:[|_:_] project fileinfo ps
				# process_handles = {wcgp_process_handle \\ {wcgp_process_handle} <- busy_processes}
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				# (i,exit_code,ps) = wait_for_finished_code_generator process_handles ps
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				| i<0
					= (False,busy_processes,project,fileinfo,ps)
					# (finished_process,busy_processes) = remove_finished_process_from_list i busy_processes
						with
							remove_finished_process_from_list i [p:ps]
								| i==0
									= (p,ps)
									# (fp,ps) = remove_finished_process_from_list (i-1) ps;
									= (fp,[p:ps])
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					# (ok,ps) = finish_code_generator finished_process.wcgp_process_handle finished_process.wcgp_scg exit_code updateErrorWindow ps
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					| ok
						# module_name = finished_process.wcgp_module_name
						  obj_path = finished_process.wcgp_obj_path
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						# (fileinfo,ps) = accFiles (FI_UpdateObjDate module_name obj_path fileinfo) ps
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						# project = PR_SetCodeGenerated module_name project
						= (True,busy_processes,project,fileinfo,ps)
						= (False,busy_processes,project,fileinfo,ps)
			handle_finished_code_generators [|] project fileinfo ps
				= (True,[],project,fileinfo,ps)
	# ds = {ds & fileinfo = fileinfo, project = project, ok = ds.ok && ok && not intr}
	| not ds.ok
		= cont (DGene paths (ASyncCodeGenerationWin busy_processes win_max_n_processes) ds,ps)
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	| length busy_processes>=win_max_n_processes || (case paths of [!] -> True ; _ -> False)
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		= cont (DGene paths (ASyncCodeGenerationWin busy_processes win_max_n_processes) ds,ps)
	# (ok,paths,busy_processes,fileinfo,abccache,ps) = start_code_generators paths busy_processes ds.fileinfo ds.abccache ps
		with
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			start_code_generators :: [!ModuleDirAndName] [WinCodeGeneratorProcess] FileInfoCache *ABCCache !*GeneralSt
						   -> *(Bool,[!ModuleDirAndName],[WinCodeGeneratorProcess],FileInfoCache,*ABCCache,!*GeneralSt )
			start_code_generators paths=:[!mdn:rest] busy_processes fileinfo abccache ps
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				| length busy_processes>=win_max_n_processes
					= (True,paths,busy_processes,fileinfo,abccache,ps)
				# (ps,abccache,fileinfo,gen,abc_path)
									= CheckABCOutOfDate False mdn abccache fileinfo project ps
				# (proc,ps)			= getCurrentProc ps
				# ((abccache,fileinfo,_), ps) = FI_GetFileInfo proc mdn abccache fileinfo ps
				| not gen
					= start_code_generators rest busy_processes fileinfo abccache ps
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				# module_name		= mdn.mdn_name
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				# ps				= showInfo (Level2 (
													(foldl (+++) ("Generating code for "+++ module_name)
															[" "+++wcgp_module_name \\ {wcgp_module_name}<-busy_processes])
													)) ps
				# (startupdir,ps)	= getStup ps
				  (cgen,ps)			= getCurrentCgen ps
				  (neverTimeProfile,ps) = get_neverTimeProfile_option module_name project ps
				  ao				= PR_GetApplicationOptions project
				  timeprofile		= ao.profiling && (not neverTimeProfile)
				  cgo				= PR_GetCodeGenOptions project
				# free_slot			= hd (removeMembers [0..win_max_n_processes-1] [wcgp_process_n \\ {wcgp_process_n} <- busy_processes])

				# (res,process_handle,scg,ps)
					= start_code_generator cgen updateErrorWindow abc_path free_slot timeprofile cgo proc startupdir ps
				| not res
					= (False,rest,busy_processes,fileinfo,abccache,ps)
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				# obj_path = ModuleDirAndNameToObjSystemPathname proc mdn
				# abc_path = ModuleDirAndNameToABCSystemPathname mdn
				# new_process = {wcgp_process_n=free_slot,wcgp_process_handle=process_handle,wcgp_scg=scg,wcgp_module_name=module_name,wcgp_obj_path=obj_path}
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				# busy_processes = [new_process:busy_processes]
				= start_code_generators rest busy_processes fileinfo abccache ps
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			start_code_generators [!] busy_processes fileinfo abccache ps
				= (True,[!],busy_processes,fileinfo,abccache,ps)
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	# ds = {ds & fileinfo = fileinfo, abccache = abccache, ok = ok}
	= cont (DGene paths (ASyncCodeGenerationWin busy_processes win_max_n_processes) ds, ps)

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step intr (DLink ds=:{ok, newpaths, fileinfo, libsinfo, modpaths, abccache, project, continue}) ps
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	//	Check whether executable is out of date and relink it	if required.
	| intr || not ok
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		= continue False newpaths False fileinfo libsinfo modpaths project intr (abccache, ps)
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