backendconvert.icl 54.6 KB
Newer Older
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1
2
3
4
5
6
7
8
9
10
11
implementation module backendconvert

import code from library "backend_library"

import StdEnv

import frontend
import backend
import backendsupport, backendpreprocess
import RWSDebug

clean's avatar
clean committed
12
13
14
15
16
17
// trace macro
(-*->) infixl
(-*->) value trace
	:==	value // ---> trace


Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
18
19
20
:: BEMonad a :== St !*BackEnd !a


21
22
23
24
25
:: BackEnder :== *BackEnd -> *BackEnd

// fix spelling, this will be removed when cases are implemented in the back end
:: BackEndBody :== BackendBody
BackEndBody :== BackendBody
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
26

27
28
29
30
31
32
33
34
35
// foldr` :: (.a -> .(.b -> .b)) .b ![.a] -> .b	//	op e0 (op e1(...(op r e##)...)
foldr` op r l :== foldr l
	where
		foldr []	= r
		foldr [a:x]	= op a (foldr x)

flip` f x y
	:==	f y x

Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
36
37
38
39
40
41
42
43
44
45
46
47
/* +++
:: *BackEndState = {bes_backEnd :: BackEnd, bes_varHeap :: *VarHeap}

appBackEnd f beState
	#	(result, bes_backEnd)
		=	f beState.bes_backEnd
	=	(result, {beState & bes_backEnd = bes_backEnd})
accVarHeap f beState
	#	(result, varHeap)
		=	f beState.bes_varHeap
	=	(result, {beState & bes_varHeap = varHeap})
*/
48
appBackEnd f :== f
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
accVarHeap f beState :== f beState

beFunction0 f
	:== appBackEnd f
beFunction1 f m1
	:== m1 ==> \a1
	->	appBackEnd (f a1)
beFunction2 f m1 m2
	:== m1 ==> \a1
	->	m2 ==> \a2
	->	appBackEnd (f a1 a2)
beFunction3 f m1 m2 m3
	:== m1 ==> \a1
	->	m2 ==> \a2
	->	m3 ==> \a3
	->	appBackEnd (f a1 a2 a3)
beFunction4 f m1 m2 m3 m4
	:== m1 ==> \a1
	->	m2 ==> \a2
	->	m3 ==> \a3
	->	m4 ==> \a4
	->	appBackEnd (f a1 a2 a3 a4)
beFunction5 f m1 m2 m3 m4 m5
	:== m1 ==> \a1
	->	m2 ==> \a2
	->	m3 ==> \a3
	->	m4 ==> \a4
	->	m5 ==> \a5
	->	appBackEnd (f a1 a2 a3 a4 a5)
beFunction6 f m1 m2 m3 m4 m5 m6
	:== m1 ==> \a1
	->	m2 ==> \a2
	->	m3 ==> \a3
	->	m4 ==> \a4
	->	m5 ==> \a5
	->	m6 ==> \a6
	->	appBackEnd (f a1 a2 a3 a4 a5 a6)
beFunction7 f m1 m2 m3 m4 m5 m6 m7
	:== m1 ==> \a1
	->	m2 ==> \a2
	->	m3 ==> \a3
	->	m4 ==> \a4
	->	m5 ==> \a5
	->	m6 ==> \a6
	->	m7 ==> \a7
	->	appBackEnd (f a1 a2 a3 a4 a5 a6 a7)

changeArrayFunctionIndex selectIndex
	:== selectIndex

beBoolSymbol value
	:==	beFunction0 (BEBoolSymbol value)
beLiteralSymbol type value
	:==	beFunction0 (BELiteralSymbol type value)
beFunctionSymbol functionIndex moduleIndex
	:==	beFunction0 (BEFunctionSymbol functionIndex moduleIndex)
beSpecialArrayFunctionSymbol arrayFunKind functionIndex moduleIndex
	:==	beFunction0 (BESpecialArrayFunctionSymbol arrayFunKind (changeArrayFunctionIndex functionIndex) moduleIndex)
beDictionarySelectFunSymbol
	:==	beFunction0 BEDictionarySelectFunSymbol
beDictionaryUpdateFunSymbol
	:==	beFunction0 BEDictionaryUpdateFunSymbol
beConstructorSymbol moduleIndex constructorIndex
	:==	beFunction0 (BEConstructorSymbol constructorIndex moduleIndex)
beFieldSymbol fieldIndex moduleIndex
	:==	beFunction0 (BEFieldSymbol fieldIndex moduleIndex)
beTypeSymbol typeIndex moduleIndex
	:==	beFunction0 (BETypeSymbol typeIndex moduleIndex)
beBasicSymbol typeSymbolIndex
	:==	beFunction0 (BEBasicSymbol typeSymbolIndex)
beDontCareDefinitionSymbol
	:==	beFunction0 BEDontCareDefinitionSymbol
beNoArgs
	:==	beFunction0 BENoArgs
beArgs
	:==	beFunction2 BEArgs
beNoTypeArgs
	:==	beFunction0 BENoTypeArgs
beTypeArgs
	:==	beFunction2 BETypeArgs
beNormalNode
	:==	beFunction2 BENormalNode
beIfNode
	:==	beFunction3 BEIfNode
beGuardNode
	:==	beFunction7 BEGuardNode
beSelectorNode selectorKind
	:==	beFunction2 (BESelectorNode selectorKind)
beUpdateNode
	:==	beFunction1 BEUpdateNode
beNormalTypeNode
	:==	beFunction2 BENormalTypeNode
beVarTypeNode name
	:==	beFunction0 (BEVarTypeNode name)
beRuleAlt lineNumber
	:==	beFunction5 (BERuleAlt lineNumber)
beNoRuleAlts
	:==	beFunction0 BENoRuleAlts
beRuleAlts
	:==	beFunction2 BERuleAlts
beTypeAlt
	:==	beFunction2 BETypeAlt
beRule index isCaf
	:==	beFunction2 (BERule index isCaf)
beNoRules
	:==	beFunction0 BENoRules
beRules
	:==	beFunction2 BERules
beNodeDef sequenceNumber
	:==	beFunction1 (BENodeDef sequenceNumber)
beNoNodeDefs
	:==	beFunction0 BENoNodeDefs
beNodeDefs
	:==	beFunction2 BENodeDefs
beStrictNodeId
	:==	beFunction1 BEStrictNodeId
beNoStrictNodeIds
	:==	beFunction0 BENoStrictNodeIds
beStrictNodeIds
	:==	beFunction2 BEStrictNodeIds
beNodeIdNode
	:==	beFunction2 BENodeIdNode
beNodeId sequenceNumber
	:==	beFunction0 (BENodeId sequenceNumber)
beWildCardNodeId
	:==	beFunction0 BEWildCardNodeId
beConstructor
	:==	beFunction1 BEConstructor
beNoConstructors
	:==	beFunction0 BENoConstructors
beConstructors
	:==	beFunction2 BEConstructors
beNoFields
	:==	beFunction0 BENoFields
beFields
	:==	beFunction2 BEFields
beField fieldIndex moduleIndex 
	:==	beFunction1 (BEField fieldIndex moduleIndex)
beAnnotateTypeNode annotation
	:==	beFunction1 (BEAnnotateTypeNode annotation)
beAttributeTypeNode attribution
	:==	beFunction1 (BEAttributeTypeNode attribution)
beDeclareRuleType functionIndex moduleIndex name
	:==	beFunction0 (BEDeclareRuleType functionIndex moduleIndex name)
beDefineRuleType functionIndex moduleIndex
	:==	beFunction1 (BEDefineRuleType functionIndex moduleIndex)
beCodeAlt lineNumber
	:==	beFunction3 (BECodeAlt lineNumber)
beString string
	:==	beFunction0 (BEString string)
beStrings
	:==	beFunction2 BEStrings
beNoStrings
	:==	beFunction0 BENoStrings
beCodeParameter location
	:==	beFunction1 (BECodeParameter location)
beCodeParameters
	:==	beFunction2 BECodeParameters
beNoCodeParameters
	:==	beFunction0 BENoCodeParameters
beAbcCodeBlock inline
	:==	beFunction1 (BEAbcCodeBlock inline)
beAnyCodeBlock
	:==	beFunction3 BEAnyCodeBlock
beDeclareNodeId number lhsOrRhs name
	:==	beFunction0 (BEDeclareNodeId number lhsOrRhs name)
215
216
beAdjustArrayFunction backEndId functionIndex moduleIndex
	:==	beFunction0 (BEAdjustArrayFunction backEndId functionIndex moduleIndex)
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
217
218
219
220
221
222
223
224
beFlatType
	:==	beFunction2 BEFlatType
beNoTypeVars
	:==	beFunction0 BENoTypeVars
beTypeVars
	:==	beFunction2 BETypeVars
beTypeVar name
	:==	beFunction0 (BETypeVar name)
clean's avatar
clean committed
225
226
227
228
229
230
beExportType dclTypeIndex iclTypeIndex
	:==	beFunction0 (BEExportType dclTypeIndex iclTypeIndex)
beExportConstructor dclConstructorIndex iclConstructorIndex
	:==	beFunction0 (BEExportConstructor dclConstructorIndex iclConstructorIndex)
beExportField dclFieldIndex iclFieldIndex
	:==	beFunction0 (BEExportField dclFieldIndex iclFieldIndex)
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
231
232
233
234
235
236
237
238
beExportFunction dclIndexFunctionIndex iclFunctionIndex
	:==	beFunction0 (BEExportFunction dclIndexFunctionIndex iclFunctionIndex)
beTupleSelectNode arity index
	:==	beFunction1 (BETupleSelectNode arity index)
beMatchNode arity
	:==	beFunction2 (BEMatchNode arity)
beDefineImportedObjsAndLibs
	:== beFunction2 BEDefineImportedObjsAndLibs
clean's avatar
clean committed
239
240
beAbsType
	:== beFunction1 BEAbsType
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
241
242
243
244
245
246

notYetImplementedExpr :: Expression
notYetImplementedExpr
	=	(BasicExpr (BVS "\"error in compiler (something was not implemented by lazy Ronny)\"") BT_Int)

backEndConvertModules :: PredefinedSymbols FrontEndSyntaxTree VarHeap *BackEnd -> *BackEnd
247
248
backEndConvertModules predefs {fe_icl = fe_icl =: {icl_name, icl_functions, icl_common, icl_imported_objects}, fe_components, fe_dcls, fe_arrayInstances, fe_dclIclConversions, fe_iclDclConversions, fe_globalFunctions} varHeap backEnd
// sanity check ...
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
249
250
251
252
253
254
255
//	| cIclModIndex <> kIclModuleIndex || cPredefinedModuleIndex <> kPredefinedModuleIndex
//		=	undef <<- "backendconvert, backEndConvertModules: module index mismatch"
	// ... sanity check
/*
	#  backEnd
		=	ruleDoesNotMatch 1 backEnd
			with
256
257
				ruleDoesNotMatch 0 backEnd
					=	backEnd
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
258
259
260
	#  backEnd
		=	abort "front end abort" backEnd
*/
261
	# backEnd
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
262
		=	BEDeclareModules (size fe_dcls) backEnd
263
	# backEnd
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
264
		=	predefineSymbols fe_dcls.[cPredefinedModuleIndex] predefs backEnd
clean's avatar
clean committed
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292

	#  currentDcl
	   	=	fe_dcls.[cIclModIndex]
	   typeConversions
		=	currentModuleTypeConversions icl_common.com_class_defs currentDcl.dcl_common.com_class_defs currentDcl.dcl_conversions
/*
	# 	rstypes = reshuffleTypes (size icl_common.com_type_defs) typeConversions {type.td_name.id_name \\ type <-: currentDcl.dcl_common.com_type_defs}
		types = {type.td_name.id_name \\ type <-: icl_common.com_type_defs}
	#  backEnd
		=	backEnd ->>
				(	"dcl conversions"
				,	currentDcl.dcl_conversions
				,	"dcl constructors"
				,	[constructor.cons_symb.id_name \\ constructor <-: currentDcl.dcl_common.com_cons_defs]
				,	"dcl selectors"
				,	[selector.sd_symb.id_name \\ selector <-: currentDcl.dcl_common.com_selector_defs]
				,	"dcl types"
				,	[type.td_name.id_name \\ type <-: currentDcl.dcl_common.com_type_defs]
				,	"icl selectors"
				,	[constructor.cons_symb.id_name \\ constructor <-: icl_common.com_cons_defs]
				,	"icl fields"
				,	[selector.sd_symb.id_name \\ selector <-: icl_common.com_selector_defs]
				,	"icl types"
				,	[type.td_name.id_name \\ type <-: icl_common.com_type_defs]
				,	"compare names"
				,	(rstypes, types)
				)
*/
293
	# backEnd
clean's avatar
clean committed
294
		=	declareCurrentDclModule fe_icl fe_dcls.[cIclModIndex] (backEnd -*-> "declareCurrentDclModule")
295
	# backEnd
clean's avatar
clean committed
296
		=	declareOtherDclModules fe_dcls (backEnd -*-> "declareOtherDclModules")
297
	# backEnd
clean's avatar
clean committed
298
		=	defineDclModule varHeap cIclModIndex fe_dcls.[cIclModIndex] (backEnd -*-> "defineDclModule(cIclMoIndex)")
299
	# backEnd
clean's avatar
clean committed
300
		=	reshuffleTypes (size icl_common.com_type_defs) typeConversions (backEnd -*-> "reshuffleTypes")
301
	# backEnd
clean's avatar
clean committed
302
303
		=	defineOtherDclModules fe_dcls varHeap (backEnd -*-> "defineOtherDclModules")

304
	# backEnd
clean's avatar
clean committed
305
		=	BEDeclareIclModule icl_name.id_name (size icl_functions) (size icl_common.com_type_defs) (size icl_common.com_cons_defs) (size icl_common.com_selector_defs) (backEnd -*-> "BEDeclareIclModule")
306
307
	# backEnd
		=	declareFunctionSymbols icl_functions (getConversions fe_iclDclConversions) functionIndices fe_globalFunctions (backEnd -*-> "declareFunctionSymbols")
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
308
309
310
311
312
313
		with
			getConversions :: (Optional {#Int}) -> {#Int}
			getConversions No
				=	{}
			getConversions (Yes conversions)
				=	conversions
314
	# backEnd
clean's avatar
clean committed
315
		=	declare cIclModIndex varHeap icl_common (backEnd -*-> "declare (cIclModIndex)")
316
	# backEnd
clean's avatar
clean committed
317
		=	declareArrayInstances fe_arrayInstances icl_functions (backEnd -*-> "declareArrayInstances")
318
	# backEnd
clean's avatar
clean committed
319
		=	adjustArrayFunctions predefs fe_arrayInstances icl_functions fe_dcls varHeap (backEnd -*-> "adjustArrayFunctions")
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
320
	#! (rules, backEnd)
321
322
323
		=	convertRules predefs.[PD_DummyForStrictAliasFun].pds_ident
					[(index, icl_functions.[index]) \\ (_, index) <- functionIndices]
					varHeap (backEnd -*-> "convertRules")
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
324
	#! backEnd
clean's avatar
clean committed
325
		=	BEDefineRules rules (backEnd -*-> "BEDefineRules")
326
	# backEnd
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
327
328
329
		=	beDefineImportedObjsAndLibs
				(convertStrings [imported.io_name \\ imported <- icl_imported_objects | not imported.io_is_library])
				(convertStrings [imported.io_name \\ imported <- icl_imported_objects | imported.io_is_library])
clean's avatar
clean committed
330
				(backEnd -*-> "beDefineImportedObjsAndLibs")
331
	# backEnd
clean's avatar
clean committed
332
333
334
335
		=	markExports fe_dcls.[cIclModIndex] dcl_common.com_class_defs dcl_common.com_type_defs icl_common.com_class_defs icl_common.com_type_defs fe_dclIclConversions (backEnd -*-> "markExports")
			with
				dcl_common
					=	currentDcl.dcl_common
336
	=	(backEnd -*-> "back end done")
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
337
338
339
340
341
342
	where
		componentCount
			=	length functionIndices
		functionIndices
			=	flatten [[(componentIndex, member) \\ member <- group.group_members] \\ group <-: fe_components & componentIndex <- [0..]]

343
declareOtherDclModules :: {#DclModule} -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
344
345
346
declareOtherDclModules dcls
	=	foldStateWithIndexA declareOtherDclModule dcls

347
defineOtherDclModules :: {#DclModule} VarHeap -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
348
349
350
defineOtherDclModules dcls varHeap
	=	foldStateWithIndexA (defineOtherDclModule varHeap) dcls

351
declareCurrentDclModule :: IclModule DclModule -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
352
353
354
declareCurrentDclModule {icl_common} {dcl_name, dcl_functions, dcl_is_system, dcl_common}
	=	BEDeclareDclModule cIclModIndex dcl_name.id_name dcl_is_system (size dcl_functions) (size icl_common.com_type_defs) (size dcl_common.com_cons_defs) (size dcl_common.com_selector_defs)
	
355
declareOtherDclModule :: ModuleIndex DclModule -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
356
357
358
359
360
361
declareOtherDclModule moduleIndex dclModule
	| moduleIndex == cIclModIndex || moduleIndex == cPredefinedModuleIndex
		=	identity
	// otherwise
		=	declareDclModule moduleIndex dclModule

362
declareDclModule :: ModuleIndex DclModule -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
363
364
365
declareDclModule moduleIndex {dcl_name, dcl_common, dcl_functions, dcl_is_system}
	=	BEDeclareDclModule moduleIndex dcl_name.id_name dcl_is_system (size dcl_functions) (size dcl_common.com_type_defs) (size dcl_common.com_cons_defs) (size dcl_common.com_selector_defs)

366
defineCurrentDclModule :: VarHeap IclModule DclModule {#Int} -> BackEnder
clean's avatar
clean committed
367
368
defineCurrentDclModule varHeap {icl_common} {dcl_name, dcl_common, dcl_functions, dcl_is_system, dcl_conversions} typeConversions
	=	declareCurrentDclModuleTypes icl_common.com_type_defs typeConversions varHeap
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
369
370
	o`	defineCurrentDclModuleTypes dcl_common.com_cons_defs dcl_common.com_selector_defs dcl_common.com_type_defs typeConversions varHeap

371
defineOtherDclModule :: VarHeap ModuleIndex DclModule -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
372
373
374
375
376
377
defineOtherDclModule varHeap moduleIndex dclModule
	| moduleIndex == cIclModIndex || moduleIndex == cPredefinedModuleIndex
		=	identity
	// otherwise
		=	defineDclModule varHeap moduleIndex dclModule

378
defineDclModule :: VarHeap ModuleIndex DclModule -> BackEnder
379
defineDclModule varHeap moduleIndex {dcl_name, dcl_common, dcl_instances, dcl_functions, dcl_is_system}
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
380
	=	declare moduleIndex varHeap dcl_common
381
	o`	declareFunTypes moduleIndex dcl_functions dcl_instances.ir_from varHeap
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
382

clean's avatar
clean committed
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
// move types from their dcl to icl positions

class swapTypes a :: Int Int *a -> *a

instance swapTypes BackEnd where
	swapTypes i j be
		=	BESwapTypes i j be

instance swapTypes {{#Char}} where
	swapTypes i j a
		=	swap i j a

swap i j a
	#! iValue = a.[i]
	#! jValue = a.[j]
	=	{a & [i] = jValue, [j] = iValue}

reshuffleTypes :: Int {#Int} *a -> *a | swapTypes a
reshuffleTypes nIclTypes dclIclConversions be
clean's avatar
clean committed
402
	=	thd3 (foldStateWithIndexA (swapType nDclTypes) dclIclConversions (idP nDclTypes, idP nIclTypes, be))
clean's avatar
clean committed
403
	where
clean's avatar
clean committed
404
405
406
		nDclTypes
			=	size dclIclConversions

clean's avatar
clean committed
407
408
409
410
		idP :: Int -> .{#Int}
		idP n
			=	{i \\ i <- [0 .. n-1]}

clean's avatar
clean committed
411
412
		swapType :: Int Int Int (*{#Int}, *{#Int},  *a) -> (*{#Int}, *{#Int},  *a) | swapTypes a
		swapType nDclTypes dclIndex iclIndex state=:(p,p`,be)
clean's avatar
clean committed
413
414
415
416
417
418
419
420
421
			#! frm
				=	p.[dclIndex]
			#! to
				=	iclIndex
			| frm == to
				=	state
			// otherwise
				#! frm` = dclIndex
				#! to` = p`.[iclIndex]
clean's avatar
clean committed
422
				#! to` = if (to` >= nDclTypes) frm` to`
clean's avatar
clean committed
423
424
				=	(swap frm` to` p, swap frm to p`, swapTypes frm to be)

Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
425

426
427
:: DeclVarsInput :== (!Ident, !VarHeap)

428
class declareVars a :: a !DeclVarsInput -> BackEnder
429
430

instance declareVars [a] | declareVars a where
431
	declareVars :: [a] !DeclVarsInput -> BackEnder | declareVars a
432
433
434
435
436
437
438
439
	declareVars list dvInput
		=	foldState (flip declareVars dvInput) list

instance declareVars (Ptr VarInfo) where
	declareVars varInfoPtr (_, varHeap)
		=	declareVariable BELhsNodeId varInfoPtr "_var???" varHeap	// +++ name

instance declareVars FreeVar where
440
	declareVars :: FreeVar !DeclVarsInput -> BackEnder
441
442
443
444
	declareVars freeVar (_, varHeap)
		=	declareVariable BELhsNodeId freeVar.fv_info_ptr freeVar.fv_name.id_name varHeap

instance declareVars (Bind Expression FreeVar) where
445
	declareVars :: (Bind Expression FreeVar) !DeclVarsInput -> BackEnder
446
447
448
449
450
451
452
	declareVars {bind_src=App {app_symb, app_args=[Var _:_]}, bind_dst=freeVar} (aliasDummyId, varHeap)
		| app_symb.symb_name==aliasDummyId
			= identity		// we have an alias. Don't declare the same variable twice
		= declareVariable BERhsNodeId freeVar.fv_info_ptr freeVar.fv_name.id_name varHeap
	declareVars {bind_dst=freeVar} (_, varHeap)
		= declareVariable BERhsNodeId freeVar.fv_info_ptr freeVar.fv_name.id_name varHeap

453
declareVariable :: Int (Ptr VarInfo) {#Char} !VarHeap -> BackEnder
454
455
456
457
declareVariable lhsOrRhs varInfoPtr name varHeap
	=	beDeclareNodeId (getVariableSequenceNumber varInfoPtr varHeap) lhsOrRhs name

instance declareVars (Optional a) | declareVars a where
458
	declareVars :: (Optional a) !DeclVarsInput -> BackEnder | declareVars a
459
460
461
462
463
464
	declareVars (Yes x) dvInput
		=	declareVars x dvInput
	declareVars No _
		=	identity

instance declareVars FunctionPattern where
465
	declareVars :: FunctionPattern !DeclVarsInput -> BackEnder
466
467
468
469
470
471
472
473
474
475
476
	declareVars (FP_Algebraic _ freeVars optionalVar) dvInput
		=	declareVars freeVars dvInput
		o`	declareVars optionalVar dvInput
	declareVars (FP_Variable freeVar) dvInput
		=	declareVars freeVar dvInput
	declareVars (FP_Basic _ optionalVar) dvInput
		=	declareVars optionalVar dvInput
	declareVars FP_Empty dvInput
		=	identity

instance declareVars Expression where
477
	declareVars :: Expression !DeclVarsInput -> BackEnder
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
	declareVars (Let {let_strict_binds, let_lazy_binds, let_expr}) dvInput
		=	declareVars let_strict_binds dvInput
		o`	declareVars let_lazy_binds dvInput
		o`	declareVars let_expr dvInput
	declareVars (Conditional {if_then, if_else}) dvInput
		=	declareVars if_then dvInput
		o`	declareVars if_else dvInput
	declareVars (AnyCodeExpr _ outParams _) (_, varHeap)
		=	foldState (declVar varHeap) outParams 
	  where
		declVar varHeap {bind_dst=freeVar} 
			= declareVariable BERhsNodeId freeVar.fv_info_ptr freeVar.fv_name.id_name varHeap
	declareVars _ _
		=	identity

instance declareVars TransformedBody where
494
	declareVars :: TransformedBody !DeclVarsInput -> BackEnder
495
496
497
498
499
	declareVars {tb_args, tb_rhs} dvInput
		=	declareVars tb_args dvInput
		o`	declareVars tb_rhs dvInput

instance declareVars BackendBody where
500
	declareVars :: BackendBody !DeclVarsInput -> BackEnder
501
502
503
504
	declareVars {bb_args, bb_rhs} dvInput
		=	declareVars bb_args dvInput
		o`	declareVars bb_rhs dvInput

Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
505
506
507

:: ModuleIndex :== Index

508
509
class declare a :: ModuleIndex !VarHeap a  -> BackEnder
class declareWithIndex a :: Index ModuleIndex !VarHeap a -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
510

511
//1.3
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
512
instance declare {#a} | declareWithIndex a & ArrayElem a where
513
	declare :: ModuleIndex  VarHeap {#a} -> BackEnder | declareWithIndex a & ArrayElem a 
514
515
516
//3.1
/*2.0
instance declare {#a} | declareWithIndex a & Array {#} a where
517
	declare :: ModuleIndex  VarHeap {#a} -> BackEnder | declareWithIndex a & Array {#} a 
518
0.2*/
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
519
520
521
	declare moduleIndex varHeap array
		=	foldStateWithIndexA (\i -> declareWithIndex i moduleIndex varHeap) array

522
523
524
declareFunctionSymbols :: {#FunDef} {#Int} [(Int, Int)] IndexRange *BackEnd -> *BackEnd
declareFunctionSymbols functions iclDclConversions functionIndices globalFunctions backEnd
	=	foldr` (declare iclDclConversions) backEnd [(functionIndex, componentIndex, functions.[functionIndex]) \\ (componentIndex, functionIndex) <- functionIndices]
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
525
526
527
	where
		declare :: {#Int} (Int, Int, FunDef) *BackEnd -> *BackEnd
		declare iclDclConversions (functionIndex, componentIndex, function) backEnd
528
529
530
531
532
533
534
535
536
537
			=	BEDeclareFunction
					(functionName function.fun_symb.id_name functionIndex iclDclConversions globalFunctions)
					function.fun_arity functionIndex componentIndex backEnd
			where
				functionName :: {#Char} Int {#Int} IndexRange -> {#Char}
				functionName name functionIndex iclDclConversions {ir_from, ir_to}
					| functionIndex >= ir_to || functionIndex < ir_from
						=	(name +++ ";" +++ toString iclDclConversions.[functionIndex])
					// otherwise
						=	name
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
538
539
540
541
542
543
544
545
546
547
548
549

// move to backendsupport
foldStateWithIndexRangeA function frm to array
	:== foldStateWithIndexRangeA frm
	where
		foldStateWithIndexRangeA index
			| index == to
				=	identity
			// otherwise
				=	function index array.[index]
				o`	foldStateWithIndexRangeA (index+1)

550
declareArrayInstances :: IndexRange {#FunDef} -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
551
552
553
declareArrayInstances {ir_from, ir_to} functions
	=	foldStateWithIndexRangeA declareArrayInstance ir_from ir_to functions
	where
554
		declareArrayInstance :: Index FunDef -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
555
556
557
558
559
		declareArrayInstance index {fun_symb={id_name}, fun_type=Yes type}
			=	beDeclareRuleType index cIclModIndex (id_name +++ ";" +++ toString index)
			o`	beDefineRuleType index cIclModIndex (convertTypeAlt index cIclModIndex type)

instance declare CommonDefs where
560
	declare :: ModuleIndex VarHeap CommonDefs -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
561
562
563
564
	declare moduleIndex varHeap {com_cons_defs, com_type_defs, com_selector_defs, com_class_defs}
		=	declare moduleIndex varHeap com_type_defs
		o`	defineTypes moduleIndex com_cons_defs com_selector_defs com_type_defs varHeap

clean's avatar
clean committed
565
instance declareWithIndex (TypeDef a) where
566
	declareWithIndex :: Index ModuleIndex VarHeap (TypeDef a) -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
567
568
569
	declareWithIndex typeIndex moduleIndex _ {td_name}
		=	BEDeclareType typeIndex moduleIndex td_name.id_name

570
declareFunTypes :: ModuleIndex {#FunType} Int VarHeap -> BackEnder
571
572
declareFunTypes moduleIndex funTypes nrOfDclFunctions varHeap
		=	foldStateWithIndexA (declareFunType moduleIndex varHeap nrOfDclFunctions) funTypes
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
573

574
declareFunType :: ModuleIndex VarHeap Index Int FunType -> BackEnder
575
declareFunType moduleIndex varHeap nrOfDclFunctions functionIndex {ft_symb, ft_type_ptr}
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
576
577
	=	case (sreadPtr ft_type_ptr varHeap) of
			VI_ExpandedType expandedType
578
				->	beDeclareRuleType functionIndex moduleIndex (functionName ft_symb.id_name functionIndex nrOfDclFunctions)
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
579
580
581
				o`	beDefineRuleType functionIndex moduleIndex (convertTypeAlt functionIndex moduleIndex expandedType)
			_
				->	identity
582
583
584
585
586
587
588
		where
			functionName :: {#Char} Int Int -> {#Char}
			functionName name functionIndex nrOfDclFunctions 
				| functionIndex < nrOfDclFunctions
					=	name
				// otherwise
					=	name +++ ";" +++ toString functionIndex
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632

currentModuleTypeConversions :: {#ClassDef} {#ClassDef} (Optional ConversionTable) -> {#Int}
currentModuleTypeConversions iclClasses dclClasses (Yes conversionTable)
	// sanity check ...
	| sort [dclClass.class_dictionary.ds_index \\ dclClass <-: dclClasses]
				<> [size typeConversions .. size typeConversions + size dclClasses - 1]
		=	abort "backendconvert, currentModuleTypeConversions wrong index range for dcl dictionary types"
	// ... sanity check
	| nDclClasses == 0
		=	typeConversions
	// otherwise
		=	{createArray (nDclTypes + nDclClasses) NoIndex
				& [i] = typeConversion
					\\ typeConversion <-: typeConversions & i <- [0..]}
			:-  foldStateWithIndexA (updateDictionaryTypeIndex classConversions) classConversions
	where
		typeConversions
			=	conversionTable.[cTypeDefs]
		nDclTypes
			=	size typeConversions
		classConversions
			=	conversionTable.[cClassDefs]
		nDclClasses
			=	size classConversions

		updateDictionaryTypeIndex :: {#Int} Int Int *{#Int} -> *{#Int}
		updateDictionaryTypeIndex classConversions dclClassIndex iclClassIndex allTypeConversions
			// sanity check ...
			# (oldIndex, allTypeConversions)
				=	uselect allTypeConversions dclTypeIndex
			| oldIndex <> NoIndex
				=	abort "backendconvert, updateDictionaryTypeIndex wrong index overwritten"
			// ... sanity chechk
			=	{allTypeConversions & [dclTypeIndex] = iclTypeIndex}
			where
				dclTypeIndex
					=	dclClasses.[dclClassIndex].class_dictionary.ds_index
				iclClassIndex
					=	classConversions.[dclClassIndex]
				iclTypeIndex
					=	iclClasses.[iclClassIndex].class_dictionary.ds_index
currentModuleTypeConversions _ _ No
	=	{}

633
declareCurrentDclModuleTypes :: {#CheckedTypeDef} {#Int} VarHeap -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
634
635
636
declareCurrentDclModuleTypes dclTypes typeConversions varHeap
	=	foldStateWithIndexA (declareConvertedType dclTypes varHeap) typeConversions
	where
637
		declareConvertedType :: {#CheckedTypeDef} VarHeap Index Index -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
638
639
640
		declareConvertedType dclTypes varHeap dclIndex iclIndex
			=	declareWithIndex iclIndex cIclModIndex varHeap dclTypes.[dclIndex]

641
defineCurrentDclModuleTypes :: {#ConsDef} {#SelectorDef} {#CheckedTypeDef} {#Int} VarHeap -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
642
643
644
defineCurrentDclModuleTypes dclConstructors dclSelectors dclTypes typeConversions varHeap
	=	foldStateWithIndexA (defineConvertedType dclTypes varHeap) typeConversions
	where
645
		defineConvertedType :: {#CheckedTypeDef} VarHeap Index Index -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
646
647
648
		defineConvertedType dclTypes varHeap dclIndex iclIndex
			=	defineType cIclModIndex dclConstructors dclSelectors varHeap iclIndex dclTypes.[dclIndex]

649
defineTypes :: ModuleIndex {#ConsDef} {#SelectorDef} {#CheckedTypeDef} VarHeap -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
650
651
652
653
654
655
656
657
658
defineTypes moduleIndex constructors selectors types varHeap
	=	foldStateWithIndexA (defineType moduleIndex constructors selectors varHeap) types

convertTypeLhs :: ModuleIndex Index  [ATypeVar] -> BEMonad BEFlatTypeP
convertTypeLhs moduleIndex typeIndex args
	=	beFlatType (beTypeSymbol typeIndex moduleIndex) (convertTypeVars args)

convertTypeVars :: [ATypeVar] -> BEMonad BETypeVarListP
convertTypeVars typeVars
659
	=	foldr` (beTypeVars o convertTypeVar) beNoTypeVars typeVars
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
660
661
662
663
664
665

convertTypeVar :: ATypeVar -> BEMonad BETypeVarP
convertTypeVar typeVar
	=	beTypeVar typeVar.atv_variable.tv_name.id_name

defineType :: ModuleIndex {#ConsDef} {#SelectorDef} VarHeap Index CheckedTypeDef *BackEnd -> *BackEnd
clean's avatar
clean committed
666
defineType moduleIndex constructors _ varHeap typeIndex {td_name, td_args, td_rhs=AlgType constructorSymbols} be
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
667
668
669
	# (flatType, be)
		=	convertTypeLhs moduleIndex typeIndex td_args be
	# (constructors, be)
clean's avatar
clean committed
670
671
		=	convertConstructors typeIndex td_name.id_name moduleIndex constructors constructorSymbols varHeap be
	=	BEAlgebraicType flatType constructors be
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
672
673
674
675
676
677
678
679
680
681
defineType moduleIndex constructors selectors varHeap typeIndex {td_args, td_rhs=RecordType {rt_constructor, rt_fields}} be
	# (flatType, be)
		=	convertTypeLhs moduleIndex typeIndex td_args be
	# (fields, be)
		=	convertSelectors moduleIndex selectors rt_fields varHeap be
	# (constructorTypeNode, be)
		=	beNormalTypeNode
				(beConstructorSymbol moduleIndex constructorIndex)
				(convertSymbolTypeArgs constructorType)
				be
clean's avatar
clean committed
682
	=	BERecordType moduleIndex flatType constructorTypeNode fields be
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
683
684
685
686
687
688
689
690
691
692
693
	where
		constructorIndex
			=	rt_constructor.ds_index
		constructorDef
			=	constructors.[constructorIndex]
		constructorType
			=	case (sreadPtr constructorDef.cons_type_ptr varHeap) of
					VI_ExpandedType expandedType
						->	expandedType
					_
						->	constructorDef.cons_type
clean's avatar
clean committed
694
695
defineType moduleIndex _ _ _ typeIndex {td_args, td_rhs=AbstractType _} be
 	=	beAbsType (convertTypeLhs moduleIndex typeIndex td_args) be
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
696
697
698
defineType _ _ _ _ _ _ be
	=	be

clean's avatar
clean committed
699
700
convertConstructors :: Int {#Char} ModuleIndex {#ConsDef} [DefinedSymbol] VarHeap -> BEMonad BEConstructorListP
convertConstructors typeIndex typeName moduleIndex constructors symbols varHeap
701
	=	foldr` (beConstructors o convertConstructor typeIndex typeName moduleIndex constructors varHeap) beNoConstructors symbols
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
702

clean's avatar
clean committed
703
704
convertConstructor :: Int {#Char} ModuleIndex {#ConsDef} VarHeap DefinedSymbol -> BEMonad BEConstructorListP
convertConstructor typeIndex typeName moduleIndex constructorDefs varHeap {ds_index}
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
705
706
707
708
709
710
711
712
713
714
715
	=	BEDeclareConstructor ds_index moduleIndex constructorDef.cons_symb.id_name // +++ remove declare
	o`	beConstructor
			(beNormalTypeNode
				(beConstructorSymbol moduleIndex ds_index)
				(convertSymbolTypeArgs constructorType)) 
	where
		constructorDef
			=	constructorDefs.[ds_index]
		constructorType
			=	case (sreadPtr constructorDef.cons_type_ptr varHeap) of
					VI_ExpandedType expandedType
clean's avatar
clean committed
716
						->	expandedType // ->> (typeName, typeIndex, constructorDef.cons_symb.id_name, ds_index, expandedType)
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
717
					_
clean's avatar
clean committed
718
						->	constructorDef.cons_type // ->> (typeName, typeIndex, constructorDef.cons_symb.id_name, ds_index, constructorDef.cons_type)
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737

convertSelectors :: ModuleIndex {#SelectorDef} {#FieldSymbol} VarHeap -> BEMonad BEFieldListP
convertSelectors moduleIndex selectors symbols varHeap
	=	foldrA (beFields o convertSelector moduleIndex selectors varHeap) beNoFields symbols

convertSelector :: ModuleIndex {#SelectorDef} VarHeap FieldSymbol -> BEMonad BEFieldListP
convertSelector moduleIndex selectorDefs varHeap {fs_index}
	=	BEDeclareField fs_index moduleIndex selectorDef.sd_symb.id_name
	o`	beField fs_index moduleIndex (convertAnnotTypeNode (selectorType.st_result))
	where
		selectorDef
			=	selectorDefs.[fs_index]
		selectorType
			=	case (sreadPtr selectorDef.sd_type_ptr varHeap) of
					VI_ExpandedType expandedType
						->	expandedType
					_
						->	selectorDef.sd_type

738
predefineSymbols :: DclModule PredefinedSymbols -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
predefineSymbols {dcl_common} predefs
	=	BEDeclarePredefinedModule (size dcl_common.com_type_defs) (size dcl_common.com_cons_defs)
	o`	foldState predefineType types
	o`	foldState predefineConstructor constructors
	where
		predefineType (index, arity, symbolKind)
			// sanity check ...
			| predefs.[index].pds_def == NoIndex
				=	abort "backendconvert, predefineSymbols predef is not a type"
			// ... sanity check
			=	BEPredefineTypeSymbol arity predefs.[index].pds_def cPredefinedModuleIndex symbolKind

		predefineConstructor (index, arity, symbolKind)
			// sanity check ...
			| predefs.[index].pds_def == NoIndex
				=	abort "backendconvert, predefineSymbols predef is not a constructor"
			// ... sanity check
			=	BEPredefineConstructorSymbol arity predefs.[index].pds_def cPredefinedModuleIndex symbolKind

		types :: [(Int, Int, BESymbKind)]
		types
			=	[	(PD_ListType, 1, BEListType)
				,	(PD_LazyArrayType, 1, BEArrayType)
				,	(PD_StrictArrayType, 1, BEStrictArrayType)
				,	(PD_UnboxedArrayType, 1, BEUnboxedArrayType)
				:	[(index, index-PD_Arity2TupleType+2, BETupleType) \\ index <- [PD_Arity2TupleType..PD_Arity32TupleType]]
				]

		constructors :: [(Int, Int, BESymbKind)]
		constructors
			=	[	(PD_NilSymbol, 0, BENilSymb)
				,	(PD_ConsSymbol, 2, BEConsSymb)
				:	[(index, index-PD_Arity2TupleSymbol+2, BETupleSymb) \\ index <- [PD_Arity2TupleSymbol..PD_Arity32TupleSymbol]]
				]

:: AdjustStdArrayInfo =
	{	asai_moduleIndex	:: !Int
	,	asai_mapping 		:: !{#BEArrayFunKind}
	,	asai_funs			:: !{#FunType}
	,	asai_varHeap	 	:: !VarHeap
	}

781
adjustArrayFunctions :: PredefinedSymbols IndexRange {#FunDef} {#DclModule} VarHeap -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
adjustArrayFunctions predefs arrayInstancesRange functions dcls varHeap
	=	adjustStdArray arrayInfo predefs stdArray.dcl_common.com_instance_defs
	o`	adjustIclArrayInstances arrayInstancesRange arrayMemberMapping functions
	where
		arrayModuleIndex
			=	predefs.[PD_StdArray].pds_def
		arrayClassIndex
			=	predefs.[PD_ArrayClass].pds_def
		arrayClass
			=	stdArray.dcl_common.com_class_defs.[arrayClassIndex]
		stdArray
			=	dcls.[arrayModuleIndex]
		arrayMemberMapping
			=	getArrayMemberMapping predefs arrayClass.class_members
		arrayInfo
			=	{	asai_moduleIndex	= arrayModuleIndex
				,	asai_mapping 		= arrayMemberMapping
				,	asai_funs			= stdArray.dcl_functions
				,	asai_varHeap		= varHeap
				}

		getArrayMemberMapping :: PredefinedSymbols {#DefinedSymbol} -> {#BEArrayFunKind}
		getArrayMemberMapping predefs members
			// sanity check ...
			| size members <> length (memberIndexMapping predefs)
				=	abort "backendconvert, arrayMemberMapping: incorrect number of members"
			// ... sanity check
			=	{	createArray (size members) BENoArrayFun
				&	[i] = backEndFunKind member.ds_index (memberIndexMapping predefs) \\ member <-: members & i <- [0..]
				}				
			where
				memberIndexMapping :: PredefinedSymbols -> [(!Index, !BEArrayFunKind)]
				memberIndexMapping predefs
					=	[(predefs.[predefIndex].pds_def, backEndArrayFunKind) \\ (predefIndex, backEndArrayFunKind) <- predefMapping]
					where
						predefMapping 
							=	[	(PD_CreateArrayFun,		BECreateArrayFun)
								,	(PD_ArraySelectFun,		BEArraySelectFun)
								,	(PD_UnqArraySelectFun,	BEUnqArraySelectFun)
								,	(PD_ArrayUpdateFun,		BEArrayUpdateFun)
								,	(PD_ArrayReplaceFun,	BEArrayReplaceFun)
								,	(PD_ArraySizeFun,		BEArraySizeFun)
								,	(PD_UnqArraySizeFun,	BEUnqArraySizeFun)
								,	(PD__CreateArrayFun,	BE_CreateArrayFun)
								]

				backEndFunKind :: Index [(!Index, !BEArrayFunKind)] -> BEArrayFunKind
				backEndFunKind memberIndex predefMapping
					=	hd [back \\ (predefMemberIndex, back) <- predefMapping | predefMemberIndex == memberIndex]

832
		adjustStdArray :: AdjustStdArrayInfo PredefinedSymbols {#ClassInstance} -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
833
834
835
836
837
838
		adjustStdArray arrayInfo predefs instances
			| arrayModuleIndex == NoIndex
				=	identity
			// otherwise
				=	foldStateA (adjustStdArrayInstance arrayClassIndex arrayInfo) instances
			where
839
				adjustStdArrayInstance :: Index AdjustStdArrayInfo ClassInstance -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
840
841
842
843
844
845
				adjustStdArrayInstance arrayClassIndex arrayInfo=:{asai_moduleIndex} instance`=:{ins_class}
					| ins_class.glob_object.ds_index == arrayClassIndex && ins_class.glob_module == asai_moduleIndex
						=	adjustArrayClassInstance arrayInfo instance`
					// otherwise
						=	identity
					where
846
						adjustArrayClassInstance :: AdjustStdArrayInfo ClassInstance -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
847
848
849
						adjustArrayClassInstance arrayInfo {ins_members}
							=	foldStateWithIndexA (adjustMember arrayInfo) ins_members
						where
850
							adjustMember :: AdjustStdArrayInfo Int DefinedSymbol -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
851
852
853
854
855
856
857
							adjustMember {asai_moduleIndex, asai_mapping, asai_funs, asai_varHeap} offset {ds_index}
								=	case (sreadPtr asai_funs.[ds_index].ft_type_ptr asai_varHeap) of
										VI_ExpandedType _
											->	beAdjustArrayFunction asai_mapping.[offset] ds_index asai_moduleIndex
										_
											->	identity

858
		adjustIclArrayInstances :: IndexRange {#BEArrayFunKind} {#FunDef} -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
859
860
861
		adjustIclArrayInstances  {ir_from, ir_to} mapping instances
			=	foldStateWithIndexRangeA (adjustIclArrayInstance mapping) ir_from ir_to instances
			where
862
				adjustIclArrayInstance :: {#BEArrayFunKind} Index FunDef -> BackEnder
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
863
864
865
866
867
				// for array functions fun_index is not the index in the FunDef array,
				// but its member index in the Array class
				adjustIclArrayInstance mapping index {fun_index}
					=	beAdjustArrayFunction mapping.[fun_index] index cIclModIndex

868
869
convertRules :: Ident [(Int, FunDef)] VarHeap *BackEnd -> (BEImpRuleP, *BackEnd)
convertRules aliasDummyId rules varHeap be
clean's avatar
clean committed
870
871
872
	# (null, be)
		=	BENoRules be
	=	convert rules varHeap null be
873
//	=	foldr` (beRules o flip` convertRule varHeap) beNoRules rules
clean's avatar
clean committed
874
875
876
877
878
879
	where
		convert :: [(Int, FunDef)] VarHeap BEImpRuleP *BackEnd -> (BEImpRuleP, *BackEnd)
		convert [] _ rulesP be
			=	(rulesP, be)
		convert [h:t] varHeap rulesP be
			# (ruleP, be)
880
				=	convertRule aliasDummyId h varHeap be
clean's avatar
clean committed
881
882
883
			# (rulesP, be)
				=	BERules ruleP rulesP be
			=	convert t varHeap rulesP be
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
884

885
886
887
888
889
convertRule :: Ident (Int,FunDef) VarHeap -> BEMonad BEImpRuleP
convertRule aliasDummyId (index, {fun_type=Yes type, fun_body=body, fun_pos, fun_kind, fun_symb}) varHeap
	=	beRule index (cafness fun_kind)
			(convertTypeAlt index cIclModIndex (type /* ->> ("convertRule", fun_symb.id_name, index, type) */))
			(convertFunctionBody index (positionToLineNumber fun_pos) aliasDummyId body varHeap)
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
	where
		cafness :: FunKind -> Int
		cafness (FK_Function _)
			=	BEIsNotACaf
		cafness FK_Macro
			=	BEIsNotACaf
		cafness FK_Caf
			=	BEIsACaf
		cafness funKind
			=	BEIsNotACaf <<- ("backendconvert, cafness: unknown fun kind", funKind)

		positionToLineNumber :: Position -> Int
		positionToLineNumber (FunPos  _ lineNumber _)
			=	lineNumber
		positionToLineNumber (LinePos _ lineNumber)
			=	lineNumber
		positionToLineNumber _
			=	-1

909
convertFunctionBody :: Int Int Ident FunctionBody VarHeap -> BEMonad BERuleAltP
910
911
convertFunctionBody functionIndex lineNumber aliasDummyId (BackEndBody bodies) varHeap
	=	convertBackEndBodies functionIndex lineNumber aliasDummyId bodies varHeap
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988

convertTypeAlt :: Int ModuleIndex SymbolType -> BEMonad BETypeAltP
convertTypeAlt functionIndex moduleIndex symbol=:{st_result}
	=	beTypeAlt (beNormalTypeNode (beFunctionSymbol functionIndex moduleIndex) (convertSymbolTypeArgs symbol)) (convertAnnotTypeNode st_result)

convertSymbolTypeArgs :: SymbolType -> BEMonad BETypeArgP
convertSymbolTypeArgs {st_args}
	=	convertTypeArgs st_args

convertBasicTypeKind :: BasicType -> BESymbKind
convertBasicTypeKind BT_Int
	=	BEIntType
convertBasicTypeKind BT_Char
	=	BECharType
convertBasicTypeKind BT_Real
	=	BERealType
convertBasicTypeKind BT_Bool
	=	BEBoolType
convertBasicTypeKind BT_File
	=	BEFileType
convertBasicTypeKind BT_World
	=	BEWorldType
convertBasicTypeKind BT_Dynamic
	=	BEDynamicType
convertBasicTypeKind (BT_String _)
	=	undef <<- "convertBasicTypeKind (BT_String _) shouldn't occur"

convertAnnotation :: Annotation -> BEAnnotation
convertAnnotation AN_None
	=	BENoAnnot
convertAnnotation AN_Strict
	=	BEStrictAnnot

convertAttribution :: TypeAttribute -> BEAttribution
convertAttribution TA_Unique
	=	BEUniqueAttr
convertAttribution _ // +++ uni vars, etc.
	=	BENoUniAttr

convertAnnotTypeNode :: AType -> BEMonad BETypeNodeP
convertAnnotTypeNode {at_type, at_annotation, at_attribute}
	=	convertTypeNode at_type
	:-	beAnnotateTypeNode (convertAnnotation at_annotation)
	:-	beAttributeTypeNode (convertAttribution (at_attribute))

convertTypeNode :: Type -> BEMonad BETypeNodeP
convertTypeNode (TB (BT_String type))
	=	convertTypeNode type
convertTypeNode (TB basicType)
	=	beNormalTypeNode (beBasicSymbol (convertBasicTypeKind basicType)) beNoTypeArgs
convertTypeNode (TA typeSymbolIdent typeArgs)
	=	beNormalTypeNode (convertTypeSymbolIdent typeSymbolIdent) (convertTypeArgs typeArgs)
convertTypeNode (TV {tv_name})
	=	beVarTypeNode tv_name.id_name
convertTypeNode (TempQV n)
	=	beVarTypeNode ("_tqv" +++ toString n)
convertTypeNode (TempV n)
	=	beVarTypeNode ("_tv" +++ toString n)
convertTypeNode (a --> b)
	=	beNormalTypeNode (beBasicSymbol BEFunType) (convertTypeArgs [a, b])
convertTypeNode (a :@: b)
	=	beNormalTypeNode (beBasicSymbol BEApplySymb) (convertTypeArgs [{at_attribute=TA_Multi, at_annotation=AN_None, at_type = consVariableToType a} : b])
convertTypeNode TE
	=	beNormalTypeNode beDontCareDefinitionSymbol beNoTypeArgs
convertTypeNode typeNode
	=	undef <<- ("backendconvert, convertTypeNode: unknown type node", typeNode)

consVariableToType :: ConsVariable -> Type
consVariableToType (CV typeVar)
	=	TV typeVar
consVariableToType (TempCV varId)
	=	TempV varId
consVariableToType (TempQCV varId)
	=	TempQV varId

convertTypeArgs :: [AType] -> BEMonad BETypeArgP
convertTypeArgs args
989
	=	foldr` (beTypeArgs o convertAnnotTypeNode) beNoTypeArgs args
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
990

991
992
993
convertBackEndBodies :: Int Int Ident [BackEndBody] VarHeap -> BEMonad BERuleAltP
convertBackEndBodies functionIndex lineNumber aliasDummyId bodies varHeap
	=	foldr (beRuleAlts o (flip (convertBackEndBody functionIndex lineNumber aliasDummyId)) varHeap)
994
				beNoRuleAlts bodies
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
995

996
997
convertBackEndBody :: Int Int Ident BackEndBody VarHeap -> BEMonad BERuleAltP
convertBackEndBody functionIndex lineNumber aliasDummyId body=:{bb_args, bb_rhs=ABCCodeExpr instructions inline} varHeap
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
998
	=	beNoNodeDefs ==> \noNodeDefs
999
	->	declareVars body (aliasDummyId, varHeap)
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1000
1001
1002
	o`	beCodeAlt
			lineNumber
			(convertLhsNodeDefs bb_args noNodeDefs varHeap)
1003
			(convertBackEndLhs functionIndex bb_args varHeap)
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1004
			(beAbcCodeBlock inline (convertStrings instructions))
1005
convertBackEndBody functionIndex lineNumber aliasDummyId body=:{bb_args, bb_rhs=AnyCodeExpr inParams outParams instructions} varHeap
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1006
	=	beNoNodeDefs ==> \noNodeDefs
1007
	->	declareVars body (aliasDummyId, varHeap)
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1008
1009
1010
	o`	beCodeAlt
			lineNumber
			(convertLhsNodeDefs bb_args noNodeDefs varHeap)
1011
			(convertBackEndLhs functionIndex bb_args varHeap)
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1012
			(beAnyCodeBlock (convertCodeParameters inParams varHeap) (convertCodeParameters outParams varHeap) (convertStrings instructions))
1013
convertBackEndBody functionIndex lineNumber aliasDummyId body=:{bb_args, bb_rhs} varHeap
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1014
	=	beNoNodeDefs ==> \noNodeDefs
1015
	->	declareVars body (aliasDummyId, varHeap)
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1016
1017
1018
	o`	beRuleAlt
			lineNumber
			(convertLhsNodeDefs bb_args noNodeDefs varHeap)
1019
			(convertBackEndLhs functionIndex bb_args varHeap)
1020
			(convertRhsNodeDefs aliasDummyId bb_rhs varHeap)
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1021
			(convertRhsStrictNodeIds bb_rhs varHeap)
1022
			(convertRootExpr aliasDummyId bb_rhs varHeap)
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1023
1024
1025

convertStrings :: [{#Char}] -> BEMonad BEStringListP
convertStrings strings
1026
	=	foldr` (beStrings o beString) beNoStrings strings
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1027
1028
1029

convertCodeParameters :: (CodeBinding a) VarHeap -> BEMonad BECodeParameterP | varInfoPtr a
convertCodeParameters codeParameters varHeap
1030
	=	foldr` (beCodeParameters o flip` convertCodeParameter varHeap) beNoCodeParameters codeParameters
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049

class varInfoPtr a :: a -> VarInfoPtr

instance varInfoPtr BoundVar where
	varInfoPtr boundVar
		=	boundVar.var_info_ptr

instance varInfoPtr FreeVar where
	varInfoPtr freeVar
		=	freeVar.fv_info_ptr

convertCodeParameter :: (Bind String a) VarHeap -> BEMonad BECodeParameterP | varInfoPtr a
convertCodeParameter {bind_src, bind_dst} varHeap
		=	beCodeParameter bind_src (convertVar (varInfoPtr bind_dst) varHeap)

convertTransformedLhs :: Int [FreeVar] VarHeap -> BEMonad BENodeP
convertTransformedLhs functionIndex freeVars varHeap
	=	beNormalNode (beFunctionSymbol functionIndex cIclModIndex) (convertLhsArgs freeVars varHeap)

1050
1051
convertBackEndLhs :: Int [FunctionPattern] VarHeap -> BEMonad BENodeP
convertBackEndLhs functionIndex patterns varHeap
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1052
1053
1054
1055
	=	beNormalNode (beFunctionSymbol functionIndex cIclModIndex) (convertPatterns patterns varHeap)

convertPatterns :: [FunctionPattern] VarHeap -> BEMonad BEArgP
convertPatterns patterns varHeap
1056
	=	foldr` (beArgs o flip` convertPattern varHeap) beNoArgs patterns
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079

convertPattern :: FunctionPattern VarHeap -> BEMonad BENodeP
convertPattern (FP_Variable freeVar) varHeap
	=	convertFreeVarPattern freeVar varHeap
convertPattern (FP_Basic _ (Yes freeVar)) varHeap
	=	convertFreeVarPattern freeVar varHeap
convertPattern (FP_Basic value No) _
	=	beNormalNode (convertLiteralSymbol value) beNoArgs
convertPattern (FP_Algebraic _ freeVars (Yes freeVar)) varHeap
	=	convertFreeVarPattern freeVar varHeap
convertPattern (FP_Algebraic {glob_module, glob_object={ds_index}} subpatterns No) varHeap
	=	beNormalNode (beConstructorSymbol glob_module ds_index) (convertPatterns subpatterns varHeap)
convertPattern (FP_Dynamic _ _ _ (Yes freeVar)) varHeap
	=	convertFreeVarPattern freeVar varHeap
convertPattern FP_Empty varHeap
	=	beNodeIdNode beWildCardNodeId beNoArgs

convertFreeVarPattern :: FreeVar  VarHeap -> BEMonad BENodeP
convertFreeVarPattern freeVar varHeap
	=	beNodeIdNode (convertVar freeVar.fv_info_ptr varHeap) beNoArgs

convertLhsArgs :: [FreeVar] VarHeap -> BEMonad BEArgP
convertLhsArgs freeVars varHeap
1080
	=	foldr` (beArgs o (flip` convertFreeVarPattern) varHeap) beNoArgs freeVars
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1081
1082
1083
1084
1085
1086
1087

convertVarPtr :: VarInfoPtr  VarHeap -> BEMonad BENodeP
convertVarPtr var varHeap
	=	beNodeIdNode (convertVar var varHeap) beNoArgs

convertVars :: [VarInfoPtr] VarHeap -> BEMonad BEArgP
convertVars vars varHeap
1088
	=	foldr` (beArgs o flip` convertVarPtr varHeap) beNoArgs vars
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1089

1090
1091
1092
1093
1094
1095
1096
1097
convertRootExpr :: Ident Expression VarHeap -> BEMonad BENodeP
convertRootExpr aliasDummyId (Let {let_expr}) varHeap
	=	convertRootExpr aliasDummyId let_expr varHeap
convertRootExpr aliasDummyId (Conditional {if_cond=cond, if_then=then, if_else=Yes else}) varHeap
	=	convertConditional aliasDummyId cond then else varHeap
	where
		convertConditional :: Ident Expression Expression Expression VarHeap -> BEMonad BENodeP
		convertConditional aliasDummyId cond then else varHeap
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1098
1099
			=	beGuardNode
					(convertExpr cond varHeap)
1100
					(convertRhsNodeDefs aliasDummyId then varHeap)
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1101
					(convertRhsStrictNodeIds then varHeap)
1102
1103
					(convertRootExpr aliasDummyId then varHeap)
					(convertRhsNodeDefs aliasDummyId else varHeap)
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1104
					(convertRhsStrictNodeIds else varHeap)
1105
1106
					(convertRootExpr aliasDummyId else varHeap)
convertRootExpr aliasDummyId (Conditional {if_cond=cond, if_then=then, if_else=No}) varHeap
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1107
1108
		=	beGuardNode
				(convertExpr cond varHeap)
1109
				(convertRhsNodeDefs aliasDummyId then varHeap)
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1110
				(convertRhsStrictNodeIds then varHeap)
1111
				(convertRootExpr aliasDummyId then varHeap)
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1112
1113
1114
				beNoNodeDefs
				beNoStrictNodeIds
				(beNormalNode (beBasicSymbol BEFailSymb) beNoArgs)
1115
convertRootExpr _ expr varHeap
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
	=	convertExpr expr varHeap

// RWS +++ rewrite
convertLhsNodeDefs :: [FunctionPattern] BENodeDefP VarHeap -> BEMonad BENodeDefP
convertLhsNodeDefs [FP_Basic value (Yes freeVar) : patterns] nodeDefs varHeap
	=	convertLhsNodeDefs patterns nodeDefs varHeap ==> \nodeDefs
	->	defineLhsNodeDef freeVar (FP_Basic value No) nodeDefs varHeap
convertLhsNodeDefs [FP_Algebraic symbol subpatterns (Yes freeVar) : patterns] nodeDefs varHeap
	=	convertLhsNodeDefs subpatterns nodeDefs varHeap ==> \nodeDefs
	->	convertLhsNodeDefs patterns nodeDefs varHeap ==> \nodeDefs
	->	defineLhsNodeDef freeVar (FP_Algebraic symbol subpatterns No) nodeDefs varHeap
convertLhsNodeDefs [FP_Algebraic symbol subpatterns No : patterns] nodeDefs varHeap
	=	convertLhsNodeDefs subpatterns nodeDefs varHeap ==> \nodeDefs
	->	convertLhsNodeDefs patterns nodeDefs varHeap
convertLhsNodeDefs [FP_Dynamic varPtrs var typeCode (Yes freeVar) : patterns] nodeDefs varHeap
	=	convertLhsNodeDefs patterns nodeDefs varHeap ==> \nodeDefs
	->	defineLhsNodeDef freeVar (FP_Dynamic varPtrs var typeCode No) nodeDefs varHeap
convertLhsNodeDefs [_ : patterns] nodeDefs varHeap
	=	convertLhsNodeDefs patterns nodeDefs varHeap
convertLhsNodeDefs [] nodeDefs varHeap
	=	return nodeDefs

defineLhsNodeDef :: FreeVar FunctionPattern BENodeDefP VarHeap -> BEMonad BENodeDefP
defineLhsNodeDef freeVar pattern nodeDefs varHeap
	=	beNodeDefs
			(beNodeDef (getVariableSequenceNumber freeVar.fv_info_ptr varHeap) (convertPattern pattern varHeap))
			(return nodeDefs)

1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
collectNodeDefs :: Ident Expression -> [Bind Expression FreeVar]
collectNodeDefs aliasDummyId (Let {let_strict_binds, let_lazy_binds})
	= filterStrictAlias let_strict_binds let_lazy_binds
  where
	filterStrictAlias [] let_lazy_binds
		= let_lazy_binds
	filterStrictAlias [strict_bind=:{bind_src=App app}:strict_binds] let_lazy_binds
		| app.app_symb.symb_name==aliasDummyId
			// the compiled source was a strict alias like "#! x = y"
			= case hd app.app_args of
				Var _
					// the node is still such an alias and must be ignored
					-> filterStrictAlias strict_binds let_lazy_binds
				hd_app_args
					// the node is not an alias anymore: remove just the _dummyForStrictAlias call
					-> [{ strict_bind & bind_src = hd_app_args } : filterStrictAlias strict_binds let_lazy_binds]
	filterStrictAlias [strict_bind:strict_binds] let_lazy_binds
		= [strict_bind: filterStrictAlias strict_binds let_lazy_binds]
collectNodeDefs _ _
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1163
1164
	=	[]

1165
1166
1167
convertRhsNodeDefs :: Ident Expression VarHeap -> BEMonad BENodeDefP
convertRhsNodeDefs aliasDummyId expr varHeap
	=	convertNodeDefs (collectNodeDefs aliasDummyId expr) varHeap
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1168
1169
1170
1171
1172
1173
1174

convertNodeDef :: !(Bind Expression FreeVar) VarHeap -> BEMonad BENodeDefP
convertNodeDef {bind_src=expr, bind_dst=freeVar} varHeap
	=	beNodeDef (getVariableSequenceNumber freeVar.fv_info_ptr varHeap) (convertExpr expr varHeap)

convertNodeDefs :: [Bind Expression FreeVar] VarHeap -> BEMonad BENodeDefP
convertNodeDefs binds varHeap
1175
	=	foldr` (beNodeDefs o flip` convertNodeDef varHeap) beNoNodeDefs binds
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188

collectStrictNodeIds :: Expression -> [FreeVar]
collectStrictNodeIds (Let {let_strict_binds, let_expr})
	=	[bind_dst \\ {bind_dst} <- let_strict_binds]
collectStrictNodeIds _
	=	[]

convertStrictNodeId :: FreeVar VarHeap -> BEMonad BEStrictNodeIdP
convertStrictNodeId freeVar varHeap
	=	beStrictNodeId (convertVar freeVar.fv_info_ptr varHeap)

convertStrictNodeIds :: [FreeVar] VarHeap -> BEMonad BEStrictNodeIdP
convertStrictNodeIds freeVars varHeap
1189
	=	foldr` (beStrictNodeIds o flip` convertStrictNodeId varHeap) beNoStrictNodeIds freeVars
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208

convertRhsStrictNodeIds :: Expression VarHeap -> BEMonad BEStrictNodeIdP
convertRhsStrictNodeIds expression varHeap
	=	convertStrictNodeIds (collectStrictNodeIds expression) varHeap

convertLiteralSymbol :: BasicValue -> BEMonad BESymbolP
convertLiteralSymbol (BVI string)
	=	beLiteralSymbol BEIntDenot string
convertLiteralSymbol (BVB bool)
	=	beBoolSymbol bool
convertLiteralSymbol (BVC string)
	=	beLiteralSymbol BECharDenot string
convertLiteralSymbol (BVR string)
	=	beLiteralSymbol BERealDenot string
convertLiteralSymbol (BVS string)
	=	beLiteralSymbol BEStringDenot string

convertArgs :: [Expression] VarHeap -> BEMonad BEArgP
convertArgs exprs varHeap
1209
	=	foldr` (beArgs o flip` convertExpr varHeap) beNoArgs exprs
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1210
1211
1212
1213
1214
1215
1216

convertSymbol :: !SymbIdent -> BEMonad BESymbolP
convertSymbol {symb_kind=SK_Function {glob_module, glob_object}}
	=	beFunctionSymbol glob_object glob_module
convertSymbol {symb_kind=SK_GeneratedFunction _ index}
	=	beFunctionSymbol index cIclModIndex
convertSymbol {symb_kind=SK_Constructor {glob_module, glob_object}}
clean's avatar
clean committed
1217
	=	beConstructorSymbol glob_module glob_object // ->> ("convertSymbol", (glob_module, glob_object))
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1218
1219
1220
1221
1222
convertSymbol symbol
	=	undef <<- ("backendconvert, convertSymbol: unknown symbol", symbol)

convertTypeSymbolIdent :: TypeSymbIdent -> BEMonad BESymbolP
convertTypeSymbolIdent {type_index={glob_module, glob_object}}
clean's avatar
clean committed
1223
	=	beTypeSymbol glob_object glob_module // ->> ("convertTypeSymbolIdent", (glob_module, glob_object))
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254

convertExpr :: Expression VarHeap -> BEMonad BENodeP
convertExpr  (BasicExpr value _) varHeap
	=	beNormalNode (convertLiteralSymbol value) beNoArgs
convertExpr  (App {app_symb, app_args}) varHeap
	=	beNormalNode (convertSymbol app_symb) (convertArgs app_args varHeap)
convertExpr (Var var) varHeap
	=	beNodeIdNode (convertVar var.var_info_ptr varHeap) beNoArgs
convertExpr (f @ [a]) varHeap
	=	beNormalNode (beBasicSymbol BEApplySymb) (convertArgs [f, a] varHeap)
convertExpr (f @ [a:as]) varHeap
	=	convertExpr (f @ [a] @ as) varHeap
convertExpr (Selection isUnique expression selections) varHeap
	=	convertSelections (convertExpr expression varHeap) varHeap (addKinds isUnique selections)
	where
		addKinds No selections
			=	[(BESelector, selection) \\ selection <- selections]
		addKinds _ [selection]
			=	[(BESelector_U, selection)]
		addKinds _ [selection : selections]
			=	[(BESelector_F, selection) : addMoreKinds selections]
			where
				addMoreKinds []
					=	[]
				addMoreKinds [selection]
					=	[(BESelector_L, selection)]
				addMoreKinds [selection : selections]
					=	[(BESelector_N, selection) : addMoreKinds selections]
		addKinds _ []
			=	[]
convertExpr (RecordUpdate _ expr updates) varHeap
1255
	=	foldl (convertUpdate varHeap) (convertExpr expr varHeap) updates -*-> "be: RecordUpdate"
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1256
	where
clean's avatar
clean committed
1257
		convertUpdate varHeap  expr {bind_src=NoBind _}
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
			=	expr
		convertUpdate varHeap expr {bind_src, bind_dst=bind_dst=:{glob_module, glob_object={fs_index}}}
			=	beUpdateNode
					(beArgs
						expr
						(beArgs
							(beSelectorNode BESelector (beFieldSymbol fs_index glob_module)
							(beArgs (convertExpr bind_src varHeap)
							beNoArgs))
						beNoArgs))
convertExpr (Update expr1 [singleSelection] expr2) varHeap
	=	case singleSelection of
			RecordSelection _ _
1271
				->	beUpdateNode (convertArgs [expr1, Selection No expr2 [singleSelection]] varHeap) -*-> "be: Update [single]"
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1272
			ArraySelection {glob_object={ds_index}, glob_module} _ index
clean's avatar
clean committed
1273
// RWS not used?, eleminate beSpecialArrayFunctionSymbol?
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1274
1275
1276
				->	beNormalNode
						(beSpecialArrayFunctionSymbol BEArrayUpdateFun ds_index glob_module)
						(convertArgs [expr1, index, expr2] varHeap)
clean's avatar
clean committed
1277
//
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
			DictionarySelection dictionaryVar dictionarySelections _ index
				->	convertExpr (Selection No (Var dictionaryVar) dictionarySelections @ [expr1, index, expr2]) varHeap
convertExpr (Update expr1 selections expr2) varHeap
	=	case lastSelection of
			RecordSelection _ _
				->	beUpdateNode (beArgs selection (convertArgs [Selection No expr2 [lastSelection]] varHeap))
			ArraySelection {glob_object={ds_index}, glob_module} _ index
				->	beNormalNode (beSpecialArrayFunctionSymbol BE_ArrayUpdateFun ds_index glob_module) (beArgs selection (convertArgs [index, expr2] varHeap))
			DictionarySelection dictionaryVar dictionarySelections _ index
				->	beNormalNode beDictionaryUpdateFunSymbol
							(beArgs dictionary (beArgs selection (convertArgs [index, expr2] varHeap)))
					with
						dictionary
							=	convertExpr (Selection No (Var dictionaryVar) dictionarySelections) varHeap
	where
		lastSelection
			=	last selections
		selection
			=	convertSelections (convertExpr expr1 varHeap) varHeap (addKinds (init selections))
		addKinds [selection : selections]
			=	[(BESelector_F, selection) : addMoreKinds selections]
			where
				addMoreKinds selections
					=	[(BESelector_U, selection) \\ selection <- selections]
		addKinds []
			=	[]
convertExpr (TupleSelect {ds_arity} n expr) varHeap
	=	beTupleSelectNode ds_arity n (convertExpr expr varHeap)
convertExpr (MatchExpr optionalTuple {glob_module, glob_object={ds_index}} expr) varHeap
	=	beMatchNode (arity optionalTuple) (beConstructorSymbol glob_module ds_index) (convertExpr expr varHeap)
	where
		arity :: (Optional (Global DefinedSymbol)) -> Int
		arity No
			=	1
		arity (Yes {glob_object={ds_arity}})
			=	ds_arity
convertExpr (Conditional {if_cond=cond, if_then, if_else=Yes else}) varHeap
	=	beIfNode (convertExpr cond varHeap) (convertExpr if_then varHeap) (conver