PmAbcMagic.icl 16.9 KB
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implementation module PmAbcMagic

import StdArray, StdEnum, StdFile, StdOverloaded, StdInt, StdMisc
import StdBool, StdList
import StdMaybe

import UtilStrictLists
from PmPath import MakeImpPathname, MakeDefPathname

import PmFileInfo
import UtilNewlinesFile
import PmDirCache

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from PmTypes	import :: LinkObjFileName, :: LinkLibraryName
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from StdLibMisc	import :: Date{..}, :: Time{..}
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//import RWSDebug
(->>) l r :== l

//--	ABCOptions: Compiler options that are stored in the abc file

:: ABCOptions =
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	{ abcDescriptors			:: !Bool
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	, abcTimeProfile			:: !Bool
	, abcStrictnessAnalysis		:: !Bool
	, abcGiveWarnings			:: !Bool
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	, abcExportLocalLabels		:: !Bool
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	, abcGenerateComments		:: !Bool
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	, abcReuseUniqueNodes 		:: !Bool
	, abcFusion					:: !Bool
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	, abcGenericFusion			:: !Bool
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	, abc64Bits					:: !Bool
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	, abcDynamics				:: !Bool
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	}

DefaultABCOptions :: ABCOptions;
DefaultABCOptions =
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	{ abcDescriptors			= False
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	, abcTimeProfile			= False
	, abcStrictnessAnalysis		= True
	, abcGiveWarnings			= False
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	, abcExportLocalLabels		= False
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	, abcGenerateComments		= False
	, abcReuseUniqueNodes 		= False
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	, abcFusion					= False
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	, abcGenericFusion			= False
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	, abc64Bits					= False
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	, abcDynamics				= False
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	}

//-- abc file handling


//
//	Extract the following info from the ABC file:
//		- Does it contain sequential code and stack layout info
//		- Is it a system file
//		- Compiler version it was generated by
//		- Compiler options it was generated with
//

DebugMask					:== 0;
DontReuseUniqueNodesMask	:== 1;
ParallelMask				:== 2;
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NoDescriptorsBitOffset		:== 3;
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StrictnessMask				:== 4;
NoTimeProfileMask			:== 5;
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ExportLocalLabelsBitsOffset :== 6;
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WarningsMask				:== 7;
SystemMask					:== 8;
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FusionOffset				:== 9;
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Abc64BitsOffset				:==10;
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DynamicsBitsOffset			:==11;
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GenericFusionOffset			:==12;
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MinimumNrOfOptions			:== 9;
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NrOfOptions					:== 13;
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ParseABCInfoAndDependencies :: !Pathname !DATE !ABCCache !Files -> (!((!Bool, !Bool, !Int, !ABCOptions),(!List Modulename, !Maybe ModuleDate, !List ModuleDate, !List LinkObjFileName, !List LinkLibraryName),!ABCCache),!Files)
ParseABCInfoAndDependencies path date abccache files
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	# (opened, file, files)	= fopen path FReadData files
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	| not opened
		= ((dummyCinf,dummyDinf,abccache),files)
	# (file,cInfo)
							= Read_Version_and_Options file
	# (file,dInfo)			= ParseABCDependencies file
	# (_,files)				= fclose file files
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	#! maxi=abccache.maxi
	# (cache_index,abccache) = search_path_in_cache path maxi abccache								
	| cache_index<0
		#! abccache = AC_Add path date dInfo abccache
		= ((cInfo,dInfo,abccache),files)
		#! abccache = {abccache & cache.[cache_index]={c_path=path,c_date=date,c_info=dInfo}}
		= ((cInfo,dInfo,abccache),files)
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where
	dummyCinf = (False,False,-1,DefaultABCOptions)
	dummyDinf = dummyDepInfo

/*
everything in place to add abc_opts caching...
need to check if cache size doesn't increase dramatically and destroys OK behaviour...
*/
GetABCCompiledInfo :: !Bool !Pathname !ABCCache !Files -> ((!Bool, !Bool, !Int, !ABCOptions, !ABCCache),!Files)
GetABCCompiledInfo update path cache files
	| (not update) && in_cache
		= ((c_sys,c_seq,c_ver,c_opt,cache),files)
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	#	(opened, file, files)	= fopen path FReadData files
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	| not opened
		= ((False,False,-1,DefaultABCOptions,cache),files)
	// otherwise
	#	(file,(sys, stack_seq,version,options))	= Read_Version_and_Options file
		(_,files)								= fclose file files
	= ((sys, stack_seq,version,options,cache),files)
where
	in_cache = False
	c_sys = False
	c_seq = False
	c_ver = -1
	c_opt = DefaultABCOptions
	
Read_Version_and_Options :: !*File -> (!*File,!(!Bool,!Bool,!Int,!ABCOptions));
Read_Version_and_Options file
	#	(eof,file)										= fend file
	| eof
		= (file,(False,False,-1,DefaultABCOptions))
	#	(str,file)										= readLine file
	#	(end_of_info,sys,stack_seq,version,abcOptions)	= Find_Version_and_Options str;
	| end_of_info
		= (file,(sys,stack_seq,version,abcOptions))
	= Read_Version_and_Options file
where
	Find_Version_and_Options :: !String -> (!Bool,!Bool,!Bool,!Int,!ABCOptions);
	Find_Version_and_Options str
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		| match_endinfo < len_str
			= (True,False,False,-1,DefaultABCOptions);
		| match_options - start`` < MinimumNrOfOptions
			= (True,False,False,-1,DefaultABCOptions);
			# version		= SubStringToInt 0 start` (dec match_version) str;
			  abcOptions	= (StringToCompilerOptions start`` match_options str);
			  stack_seq		= ProjectABCFile start`` str;
			  sys			= SystemABCFile start`` str;
			= (True,sys,stack_seq,version,abcOptions);
	where
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		len_str			= size str;
		start			= SkipSpaces 0 len_str str;
		stop_endinfo	= start + 7;
		stop_comp		= start + 4;
		match_endinfo	= MatchS start stop_endinfo 8 len_str ".endinfo" str;
		match_comp		= MatchS start stop_comp 5 len_str  ".comp" str;
		start`			= SkipSpaces match_comp len_str str;
		match_version	= SkipDigits start` len_str str;
		start``			= SkipSpaces match_version len_str str;
		match_options	= SkipBits start`` len_str str;
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StringToCompilerOptions :: !Int !Int !String -> ABCOptions;
StringToCompilerOptions start end opt
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	= {	abcDescriptors	 		= not (opt.[start+NoDescriptorsBitOffset]	== '1'),
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		abcTimeProfile			= not (opt.[start+NoTimeProfileMask]		== '1'),
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		abcStrictnessAnalysis	= opt .[start+StrictnessMask]				== '1',
		abcGiveWarnings			= opt .[start+WarningsMask]					== '1',
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		abcExportLocalLabels	= opt .[start+ExportLocalLabelsBitsOffset]	== '1',
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		abcGenerateComments		= opt .[start+DebugMask]					== '1',
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		abcReuseUniqueNodes		= not (opt.[start+DontReuseUniqueNodesMask]	== '1'),
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		abcFusion = start+FusionOffset<end && opt.[start+FusionOffset]=='1',
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		abcGenericFusion = start+GenericFusionOffset<end && opt.[start+GenericFusionOffset]=='1',
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		abc64Bits = start+Abc64BitsOffset<end && opt.[start+Abc64BitsOffset]=='1',
		abcDynamics = start+DynamicsBitsOffset<end && opt.[start+DynamicsBitsOffset]=='1'
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	  };
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ProjectABCFile :: !Int !String -> Bool;
ProjectABCFile start opt =	opt .[start+ParallelMask] == '0';

SystemABCFile :: !Int !String -> Bool;
SystemABCFile start opt = opt .[start+SystemMask] == '1';

SubStringToInt :: !Int !Int !Int String -> Int;
SubStringToInt acc start stop str
	| start > stop	= acc;
	# curc	= str.[start];
	| isDigit curc
		# acc`	= 10 * acc + toInt curc - toInt '0';
		= SubStringToInt acc` (inc start) stop str;
	= acc;
	

//--

:: ModuleDate :== DateTime

//-- Cached parse

:: *ABCCache =
	{ cache	:: !*{!ABCStuff}
	, curi	:: !Int
	, maxi	:: !Int
	}

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ABCCacheSize :==  512			// fixed cache size => yuch!
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:: ABCStuff =
	{ c_path :: !Pathname
	, c_date :: !DATE
	, c_info :: !ABCInfo
	}

:: ABCInfo :==
	( !List Modulename			// dep mods
	, !Maybe ModuleDate			// mod date
	, !List ModuleDate			// dep dates
	, !List LinkObjFileName		// dep objs
	, !List LinkLibraryName		// dep libs
	)

EmptyABCS =
	{ c_path = ""
	, c_date = NoDate
	, c_info =
	( Nil
	, Nothing
	, Nil
	, Nil
	, Nil
	)
	}
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AC_Init :: ABCCache
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AC_Init =
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	{ cache = createArray ABCCacheSize EmptyABCS
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	, maxi	= -1
	, curi	= 0
	}

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AC_Add :: !Pathname !DATE !ABCInfo !*ABCCache -> *ABCCache
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AC_Add path date info abccache
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	#! c = abccache.cache
	#! i = abccache.curi
	#! m = abccache.maxi
	#! c = {c & [i] = newstuff}
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	=	{ abccache
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		& cache = c
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		, curi = (inc i) rem ABCCacheSize
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		, maxi = if (m < (dec ABCCacheSize)) i m
		}
where
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	newstuff :: ABCStuff
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	newstuff = {c_path=path,c_date=date,c_info=info}

ParseABCDependencies` :: !Pathname !DATE !*ABCCache !Files -> ((!Bool, !List Modulename, !Maybe ModuleDate, !List ModuleDate, !List LinkObjFileName, !List LinkLibraryName, !*ABCCache/*, !FileInfoCache*/), !Files);
ParseABCDependencies` path abcdate abccache files
	= AC_Look path abccache files
where
	AC_Look path abccache=:{maxi} files
		# date = abcdate
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		# (cache_index,abccache) = search_path_in_cache path maxi abccache								
		| cache_index<0
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			# (opened,file,files)		= fopen path FReadData files
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			| not opened
				# (b,c,d,e,f)			= dummyDepInfo
				= ((False,b,c,d,e,f,abccache),files)
			# (file,(b,c,d,e,f))		= ParseABCDependencies file
			# (_,files)					= fclose file files
			#! abccache					= AC_Add path date (b,c,d,e,f) abccache
			= ((True,b,c,d,e,f,abccache),files)
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		# ({c_date,c_info},abccache) = abccache!cache.[cache_index]
		| eqDate c_date date
			# (b,c,d,e,f)=c_info
			= ((True,b,c,d,e,f,abccache),files)
			# (opened,file,files)		= fopen path FReadData files
			| not opened
				# (b,c,d,e,f)			= dummyDepInfo
				= ((False,b,c,d,e,f,abccache),files)
			# (file,(b,c,d,e,f))		= ParseABCDependencies file
			# (_,files)					= fclose file files
			#! abccache = {abccache & cache.[cache_index]={c_path=path,c_date=date,c_info=(b,c,d,e,f)}}
			= ((True,b,c,d,e,f,abccache),files)
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	eqDate l r
		=  l.exists == r.exists
		&& l.yy == r.yy
		&& l.mm == r.mm
		&& l.dd == r.dd
		&& l.DATE.h == r.DATE.h
		&& l.m == r.m
		&& l.s == r.s

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search_path_in_cache :: !{#Char} !Int !*ABCCache -> *(!Int,!*ABCCache)
search_path_in_cache path n c
	| n < 0
		= (-1,c)
	| c.cache.[n].c_path == path
		= (n,c)
		= search_path_in_cache path (dec n) c

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//	Find the module depencies in the .abc files

dummyDepInfo = (Nil, Nothing, Nil, Nil, Nil)

ParseABCDependencies
	:: !*File
	-> (!*File, !(!List Modulename, !Maybe ModuleDate, !List ModuleDate, !List LinkObjFileName, !List LinkLibraryName))
ParseABCDependencies file
	= Parse_lines file dummyDepInfo
where 
	Parse_lines
		::  !*File  !(!(List Modulename), !(Maybe ModuleDate), !(List ModuleDate), !(List LinkObjFileName), !(List LinkLibraryName))
		-> (!*File, !(!List Modulename, !Maybe ModuleDate, !List ModuleDate, !List LinkObjFileName, !List LinkLibraryName))
	Parse_lines file depInfo
		# (eof, file)				= fend file
		| eof
			= (file, depInfo)
		# (line, file) 				= readLine file
		  (depInfo, end_of_info)	= Parse_line line depInfo
		| end_of_info
			= (file, depInfo)
		= Parse_lines file depInfo
	
	Parse_line
		:: !String !(!(List Modulename), !(Maybe ModuleDate), !(List ModuleDate), !(List LinkObjFileName), !(List LinkLibraryName))
		-> (!(!List Modulename, !Maybe ModuleDate, !List ModuleDate, !List LinkObjFileName, !List LinkLibraryName), !Bool);
	Parse_line str (modnames, mmoddate, depdates, objnames, libnames)
		| match_endinfo < len_str
			=  ((modnames, mmoddate, depdates, objnames, libnames), True)
		| match_depend < len_str && last_q_depdate < len_str
			= ((modname :! modnames, mmoddate, S2DT depdate :! depdates, objnames, libnames), False)
		| match_depend < len_str && last_q_depend < len_str
			= ((modname :! modnames, mmoddate, emptydate :! depdates, objnames, libnames), False)
		| match_impobj < len_str && last_q_impobj < len_str
			= ((modnames, mmoddate, depdates, objname :! objnames, libnames), False)
		| match_implib < len_str && last_q_implib < len_str
			= ((modnames, mmoddate, depdates, objnames, libname :! libnames), False)
//		| match_date < len_str && last_q_moddate < len_str
//			= ((modnames, Just (S2DT moddate), depdates, objnames, libnames), False)
		| match_module < len_str && last_q_moddate < len_str
			#! moddate = S2DT moddate
			= ((modnames, Just moddate, depdates, objnames, libnames), False)
		=  ((modnames, mmoddate, depdates, objnames, libnames), False)
	where 
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		emptydate = ({year=0,month=0,day=0,dayNr=0},{hours=0,minutes=0,seconds=0})
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		len_str			= size str
		start			= SkipSpaces 0 len_str str
		stop_endinfo	= start +  7; // dec (size ".endinfo")
		stop_depend		= startplussix; // dec (size ".depend")
		stop_importobj	= startplussix; // dec (size ".impobj")
		stop_importlib	= startplussix; // dec (size ".implib")
//		stop_date		= start +  4; // dec (size ".date")
		stop_module		= startplussix; // dec (size ".module")
		startplussix	= start +  6;
		match_endinfo	= MatchS start stop_endinfo 8 len_str ".endinfo" str
		match_depend	= MatchS start stop_depend 7 len_str ".depend" str
		match_impobj	= MatchS start stop_importobj 7 len_str ".impobj" str
		match_implib	= MatchS start stop_importlib 7 len_str ".implib" str
//		match_date		= MatchS start stop_date 5 len_str ".date" str
		match_module	= MatchS start stop_module 7 len_str ".module" str
		(last_q_depend, modname)
						= characters_between_apostrophes match_depend len_str str
		(last_q_impobj, objname)
						= characters_between_apostrophes match_impobj len_str str	
		(last_q_implib, libname)
						= characters_between_apostrophes match_implib len_str str
		(last_q_depdate, depdate)
						= characters_between_apostrophes (inc last_q_depend) len_str str
//		(last_q_moddate, moddate)
//						= characters_between_apostrophes match_date len_str str
		(last_q_modname, mainmodname)
						= characters_between_apostrophes match_module len_str str
		(last_q_moddate, moddate)
						= characters_between_apostrophes (inc last_q_modname) len_str str

characters_between_apostrophes :: !.Int !.Int !.String -> .(!Int, !String)
characters_between_apostrophes after_keyword_pos len_str str
	= (last_q, str % (inc first_q, dec last_q))
where
	start`			= SkipSpaces after_keyword_pos len_str str
	first_q			= FindQuoteChar str len_str start`
	last_q			= FindQuoteChar str len_str (inc first_q)
	
FindChar	:: !Char !.String !.Int !Int -> Int;
FindChar c line linelen pos
	| pos >= linelen		=  pos;
	| c ==  line.[pos]		=  pos;
							=  FindChar c line linelen (inc pos);
	
//	FindQuoteChar	:: !String !Int !Int -> Int;
FindQuoteChar str len pos	:== FindChar '\"' str len pos;
	
//--

/*
ABC dates format:
.date "module.icl modified date,time"
.depend "modulename" "dcl modified date,time"
*/
DT2S :: !DateTime -> String
DT2S (date,time) = "\"" +++ yyyymmddnhhmmss +++"\""
where
	yyyymmddnhhmmss = yyyy +++ mm +++ dd /*+++ nn*/ +++ hs +++ ms +++ ss
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	yyyy = pad 4 date.year
	mm = pad 2 date.month
	dd = pad 2 date.day
//	nn = pad 1 date.dayNr
	hs = pad 2 time.hours
	ms = pad 2 time.minutes
	ss = pad 2 time.seconds
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	pad n x
		# s = toString x
		# l = size s
		# p = {'0' \\ i <- [1..n-l]}
		= p+++s

S2DT :: !String -> DateTime
S2DT s = (date,time)
where
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	date = {year=yy,month=mm,day=dd,dayNr=nn}
	time = {hours=hs,minutes=ms,seconds=ss}
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	yy = toInt (s%(0,3))
	mm = toInt (s%(4,5))
	dd = toInt (s%(6,7))
	nn = 0//toInt (s%(8,8))
	hs = toInt (s%(8,9))	//(s%(9,10))
	ms = toInt (s%(10,11))	//(s%(11,12))
	ss = toInt (s%(12,13))	//(s%(13,14))

// patch abc file of system module for change in profiling settings

PatchSystemABC :: !Int !Bool !Pathname /*!Bool*/ !Bool !*Files -> (!Bool, !*Files)
PatchSystemABC version doPatch abcPath /*memoryProfile*/ timeProfile files
	| not doPatch
		=	(True, files)
	# (opened, file, files)
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		=	fopen abcPath FReadData files
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	| not opened
		=	(False, files)  ->> (abcPath +++ " not opened\n")
	# (patched, file)
		=	patchFile file
	# (closed, files)
		=	fclose file files
	= (patched && closed, files)
where
	patchFile :: *File -> (Bool, *File)
	patchFile file
		# (firstLine, file)
			=	freadline file	//readLine file
		# (patched, firstLine)
			=	patchLine firstLine//(RemoveNewlineChar firstLine)	// ??? RemoveNewlineChar ???
		| not patched
			=	(False, file)  ->> (abcPath +++ " not patched\n")
		# (reopened, file)
			=	freopen file FAppendData
		| not reopened
			=	(False, file)  ->> (abcPath +++ " not reopened\n")

		# (sought, file)
			=	fseek file 0 FSeekSet
		| not sought
			=	(False, file)  ->> (abcPath +++ " not sought\n")
		# file
			=	fwrites firstLine file
		=	(True, file)
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	patchLine :: {#Char} -> (Bool, {#Char})
	patchLine line
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		# (found, offset) = findOptionStringOffset line
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		| found
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			=	(found, {copy line & /*[offset+NoMemoryProfileMask] = if memoryProfile '0' '1',*/
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				                         [offset+NoTimeProfileMask] = if timeProfile '0' '1'})
			=	(False, line)

	copy array
		=	{el \\ el <-: array}

	findOptionStringOffset :: {#Char} -> (Bool, Int)
	findOptionStringOffset string
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		=	(offset+MinimumNrOfOptions < stringLength, offset)
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		where
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			versionString	= toString version
			versionSize		= size versionString
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			offset
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				# init_offset	= SkipSpaces 0 stringLength string
				# comp_offset	= MatchS init_offset (init_offset + 4) 5 stringLength ".comp" string
				# next_offset	= SkipSpaces comp_offset stringLength string
				# vers_offset	= MatchS next_offset (next_offset + versionSize - 1) versionSize stringLength versionString string
				=	SkipSpaces vers_offset stringLength string

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			stringLength
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				=	size string
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//==

SkipSpaces	:: !Int !Int !String -> Int;
SkipSpaces i len str | i >= len ||  str.[i]  <> ' '	=  i;
	                     							=  SkipSpaces (inc i) len str;
	                     										                     
SkipBits :: !Int !Int !String -> Int;
SkipBits i len str | i >= len || (c <> '0' && c <> '1')	= i;
	                    								= SkipBits (inc i) len str;
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					where
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	c	= str.[i];
	
	
SkipDigits :: !Int !Int !String -> Int;
SkipDigits i len str | i >= len || c < '0' || '9' < c	= i;
														= SkipDigits (inc i) len str;
	where 
	c	= str.[i];
	
MatchS	:: !Int !Int !Int !Int !String !String -> Int;
MatchS start stop patlen strlen pat str
	| stop >= strlen					= stop;
	| MatchS2 0 start patlen pat str	= inc stop;
										= MatchS (inc start) (inc stop) patlen strlen pat str;
where
	MatchS2 :: !Int !Int !Int !String !String -> Bool;
	MatchS2 patpos strpos patlen pat str
		| patpos >= patlen					= True;
		| pat.[patpos] == str.[strpos]		= MatchS2 (inc patpos) (inc strpos) patlen pat str;
											= False;
										
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