explicitimports.icl 38.1 KB
Newer Older
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
1
implementation module explicitimports
2
// compile with reuse unique nodes option
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
3
4
5

import StdEnv

6
7
8
9
10
11
12
13
:: FilterState =
	{	fs_wanted_symbols	:: ![Ident]
	,	fs_modules			:: !.{#DclModule}
	,	fs_symbol_table		:: !.SymbolTable
	,	fs_error			:: !.ErrorAdmin
	}

import syntax, typesupport, parse, checksupport, utilities, checktypes, transform, predef, RWSDebug, cheat
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
14

15
16
17
18
19
20
21
22
23
24
25
26
27
cUndef :== (-1)
implies a b :== not a || b

:: ImportNrAndIdents =
	{	ini_symbol_nr	:: !Index
	,	ini_belonging	:: !Optional [ImportedIdent]
	}

:: SolvedImports =
	{	si_explicit	:: ![([Declaration], Position)]
	,	si_implicit	:: ![(Index, Position)]	// module indices
	}

Martin Wierich's avatar
Martin Wierich committed
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
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

markExplImpSymbols :: !Int !*(!*{!*{!u:ExplImpInfo}}, !*SymbolTable)
		-> (!.[Ident],!(!{!{!u:ExplImpInfo}},!.SymbolTable))
markExplImpSymbols component_nr (expl_imp_info, cs_symbol_table)
	#! nr_of_expl_imp_symbols
			= size expl_imp_info.[component_nr]
	   (new_symbols, expl_imp_info, cs_symbol_table)
			= iFoldSt (mark_symbol component_nr) 0 nr_of_expl_imp_symbols ([], expl_imp_info, cs_symbol_table)
	= (new_symbols, (expl_imp_info, cs_symbol_table))
  where
	mark_symbol component_nr i
				(changed_symbols_accu, expl_imp_info, cs_symbol_table)
		# (eii_ident, expl_imp_info)
				= do_a_lot_just_to_read_an_array component_nr i expl_imp_info
		  (ste, cs_symbol_table)
				= readPtr eii_ident.id_info cs_symbol_table
		  cai
		  		= { cai_component_nr = component_nr, cai_index = i }
		= case ste.ste_kind of
			STE_ExplImpComponentNrs component_nrs _
				# new_ste_kind
						= STE_ExplImpComponentNrs [cai:component_nrs] []
				  cs_symbol_table
				  		= writePtr eii_ident.id_info { ste & ste_kind = new_ste_kind } cs_symbol_table
				-> (changed_symbols_accu, expl_imp_info, cs_symbol_table)
			_
				# new_ste
						= { ste & ste_kind = STE_ExplImpComponentNrs [cai] [], ste_previous = ste }
				-> ([eii_ident:changed_symbols_accu], expl_imp_info, writePtr eii_ident.id_info new_ste cs_symbol_table)

	do_a_lot_just_to_read_an_array component_nr i expl_imp_info
		# (eii, expl_imp_info)
				= replaceTwoDimArrElt component_nr i TemporarilyFetchedAway expl_imp_info
		  (eii_ident, eii)
		  		= get_eei_ident eii
		= (eii_ident, { expl_imp_info & [component_nr, i] = eii })

	
				
updateExplImpForMarkedSymbol :: !Index Declaration !SymbolTableEntry !u:{#DclModule} !{!{!*ExplImpInfo}} !*SymbolTable
		-> (!u:{#DclModule}, !{!{!.ExplImpInfo}}, !.SymbolTable)
updateExplImpForMarkedSymbol mod_index decl {ste_kind=STE_ExplImpComponentNrs component_numbers inst_indices}
			dcl_modules expl_imp_infos cs_symbol_table
	= foldSt (addExplImpInfo mod_index decl inst_indices) component_numbers
			(dcl_modules, expl_imp_infos, cs_symbol_table)
updateExplImpForMarkedSymbol _ decl {ste_kind=STE_Instance class_ident} dcl_modules expl_imp_infos cs_symbol_table
	// this alternative is only for old syntax (cs_symbol_table argument is not necessary for new syntax)
	# cs_symbol_table
			= optStoreInstanceWithClassSymbol decl class_ident cs_symbol_table
	= (dcl_modules, expl_imp_infos, cs_symbol_table)
updateExplImpForMarkedSymbol _ decl {ste_kind=STE_Imported (STE_Instance class_ident) _} dcl_modules expl_imp_infos cs_symbol_table
	// this alternative is only for old syntax (cs_symbol_table argument is not necessary for new syntax)
	# cs_symbol_table
			= optStoreInstanceWithClassSymbol decl class_ident cs_symbol_table
	= (dcl_modules, expl_imp_infos, cs_symbol_table)
updateExplImpForMarkedSymbol _ _ entry dcl_modules expl_imp_infos cs_symbol_table
	= (dcl_modules, expl_imp_infos, cs_symbol_table)


addExplImpInfo :: !Index Declaration ![Declaration] !ComponentNrAndIndex !(!u:{#DclModule}, !{!{!*ExplImpInfo}}, !v:SymbolTable)
			-> (!u:{#DclModule}, !{!{!.ExplImpInfo}}, !v:SymbolTable)
addExplImpInfo mod_index decl instances { cai_component_nr, cai_index } (dcl_modules, expl_imp_infos, cs_symbol_table)
	# (ExplImpInfo eii_ident eii_declaring_modules, expl_imp_infos)
			= replaceTwoDimArrElt cai_component_nr cai_index TemporarilyFetchedAway expl_imp_infos
	  (di_belonging, dcl_modules, cs_symbol_table)
	  		= get_belonging_symbol_nrs decl dcl_modules cs_symbol_table
	  di
	  		= { di_decl = decl, di_instances = instances, di_belonging = di_belonging }
	  new_expl_imp_info
	  		= ExplImpInfo eii_ident (ikhInsert` False mod_index di eii_declaring_modules)
	= (dcl_modules, { expl_imp_infos & [cai_component_nr,cai_index] = new_expl_imp_info }, cs_symbol_table)
  where
	get_belonging_symbol_nrs :: !Declaration !v:{#DclModule} !u:(Heap SymbolTableEntry) 
			-> (!.NumberSet,!v:{#DclModule},!u:Heap SymbolTableEntry)
	get_belonging_symbol_nrs decl dcl_modules cs_symbol_table
		# (all_belonging_symbols, dcl_modules)
				= getBelongingSymbols decl dcl_modules
		  nr_of_belongs
				= nrOfBelongingSymbols all_belonging_symbols
		  (_, belonging_bitvect, cs_symbol_table)
				= foldlBelongingSymbols set_bit all_belonging_symbols (0, bitvectCreate nr_of_belongs, cs_symbol_table)
		= (bitvectToNumberSet belonging_bitvect, dcl_modules, cs_symbol_table)

	set_bit {id_info} (bit_nr, bitvect, cs_symbol_table)
		# ({ste_kind}, cs_symbol_table)
				= readPtr id_info cs_symbol_table
		= ( bit_nr+1
		  , case ste_kind of
			 	STE_Empty -> bitvect
				_ -> bitvectSet bit_nr bitvect
		  , cs_symbol_table
		  )


optStoreInstanceWithClassSymbol decl class_ident cs_symbol_table
	// this function is only for old syntax
	| switch_import_syntax False True
		= cs_symbol_table
	# (class_ste, cs_symbol_table)
			= readPtr class_ident.id_info cs_symbol_table
	= case class_ste.ste_kind of
		STE_ExplImpComponentNrs component_numbers inst_indices_accu
			-> writePtr class_ident.id_info 
					{ class_ste & ste_kind = STE_ExplImpComponentNrs component_numbers [decl:inst_indices_accu]}
					cs_symbol_table
		_
			-> cs_symbol_table



foldlBelongingSymbols f bs st
	:== case bs of
			BS_Constructors constructors
				-> foldSt (\{ds_ident} st -> f ds_ident st) constructors st 
			BS_Fields fields
				-> foldlArraySt (\{fs_name} st -> f fs_name st) fields st 
			BS_Members members
				-> foldlArraySt (\{ds_ident} st -> f ds_ident st) members st 
			BS_Nothing
				-> st

149
solveExplicitImports :: !(IntKeyHashtable [(Int,Position,[ImportNrAndIdents])]) !{#Int} !Index 
Martin Wierich's avatar
Martin Wierich committed
150
151
				!*(!v:{#DclModule},!*{#Int},!{!*ExplImpInfo},!*CheckState)
			-> (!.SolvedImports,!(!v:{#DclModule},!.{#Int},!{!.ExplImpInfo},!.CheckState))
152
153
154
155
156
157
158
159
160
161
162
solveExplicitImports expl_imp_indices_ikh modules_in_component_set importing_mod (dcl_modules, visited_modules, expl_imp_info, cs)
	# import_indices
			= ikhSearch` importing_mod expl_imp_indices_ikh
	  expl_imp_indices
	  		= [ imports \\ imports=:(_, _, [_:_]) <- import_indices ]
	  impl_imports
	  		= [ (mod_index, position) \\ imports=:(mod_index, position, []) <- import_indices ]
	  (expl_imports, state)
	  		= mapSt (solve_expl_imp_from_module expl_imp_indices_ikh modules_in_component_set importing_mod)
					expl_imp_indices (dcl_modules, visited_modules, expl_imp_info, cs)
	= ({ si_explicit = expl_imports, si_implicit = impl_imports }, state)
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
163
  where
164
165
	solve_expl_imp_from_module expl_imp_indices_ikh modules_in_component_set importing_mod
			(imported_mod, position, imported_symbols) (dcl_modules, visited_modules, expl_imp_info, cs)
Martin Wierich's avatar
Martin Wierich committed
166
		# (successes, (decl_accu, unsolved_belonging, visited_modules, expl_imp_info))
167
168
				= mapSt (search_expl_imp_symbol expl_imp_indices_ikh modules_in_component_set importing_mod imported_mod)
						imported_symbols 
Martin Wierich's avatar
Martin Wierich committed
169
						([], [], visited_modules, expl_imp_info)
170
		  (expl_imp_info, cs_error)
Martin Wierich's avatar
Martin Wierich committed
171
		  		= (switch_import_syntax check_triples check_singles position) successes imported_symbols
172
		  				(expl_imp_info, cs.cs_error)
Martin Wierich's avatar
Martin Wierich committed
173
		  (decl_accu, dcl_modules, visited_modules, expl_imp_info, cs)
174
		  		= foldSt (solve_belonging position expl_imp_indices_ikh modules_in_component_set importing_mod)
Martin Wierich's avatar
Martin Wierich committed
175
176
177
		  				unsolved_belonging
		  				(decl_accu, dcl_modules, visited_modules, expl_imp_info, { cs & cs_error = cs_error }) 
		= ((decl_accu, position), (dcl_modules, visited_modules, expl_imp_info, cs))
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

	solve_belonging position expl_imp_indices_ikh modules_in_component_set importing_mod
			(decl, {ini_symbol_nr, ini_belonging=Yes belongs}, imported_mod)
			(decls_accu, dcl_modules, visited_modules, expl_imp_info, cs=:{cs_error, cs_symbol_table})
		# (all_belongs, dcl_modules)
				= get_all_belongs decl dcl_modules
		  (ExplImpInfo eii_ident eii_declaring_modules, expl_imp_info)
				= replace expl_imp_info ini_symbol_nr TemporarilyFetchedAway
		  (need_all, belongs_set, cs_error, cs_symbol_table)
		  		= case belongs of
		  			[]
		  				// an import like ::A(..) or ::A{..} or class c{..} 
		  				-> (False, [(belong_nr, belong_ident) \\ belong_nr<-[0..] & belong_ident<-all_belongs],
		  						cs_error, cs_symbol_table)
		  			_
		  				// an import like ::A(C1, C2) or ::A{f1} or class c{m1} 
		  				# (nr_of_belongs, cs_symbol_table)
			  					= foldSt numerate_belongs all_belongs (0, cs_symbol_table)
						  belongs_bitvect
						  		= bitvectCreate nr_of_belongs
						  (belongs_set, (cs_error, cs_symbol_table))
						  		= mapFilterYesSt (get_opt_nr_and_ident position eii_ident) belongs (cs_error, cs_symbol_table)
			  			  cs_symbol_table
			  			  		= foldSt restoreHeap all_belongs cs_symbol_table
						-> (True, belongs_set, cs_error, cs_symbol_table)
		  (decls_accu, dcl_modules, eii_declaring_modules, visited_modules, cs_error)
				= foldSt 
					(search_belonging need_all position eii_ident decl expl_imp_indices_ikh modules_in_component_set
							imported_mod ini_symbol_nr importing_mod)
					belongs_set (decls_accu, dcl_modules, eii_declaring_modules, visited_modules, cs_error)
		  expl_imp_info
		  		= { expl_imp_info & [ini_symbol_nr] = ExplImpInfo eii_ident eii_declaring_modules }
		= (decls_accu, dcl_modules, visited_modules, expl_imp_info, { cs & cs_error = cs_error, cs_symbol_table = cs_symbol_table })
211
		
212
213
214
215
216
	search_belonging need_all position eii_ident decl expl_imp_indices_ikh modules_in_component_set imported_mod ini_symbol_nr importing_mod
						(belong_nr, belong_ident) (decls_accu, dcl_modules, eii_declaring_modules, visited_modules, cs_error)
		# (found, path, eii_declaring_modules, visited_modules)
				=  depth_first_search expl_imp_indices_ikh modules_in_component_set
						imported_mod ini_symbol_nr belong_nr belong_ident [importing_mod]
Martin Wierich's avatar
Martin Wierich committed
217
						eii_declaring_modules (bitvectResetAll visited_modules)
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
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
		= case found of
			Yes _
				# eii_declaring_modules
				  		= foldSt (store_belonging belong_nr ini_symbol_nr) path eii_declaring_modules
				  (belong_decl, dcl_modules)
					= get_nth_belonging_decl position belong_nr decl dcl_modules
				-> ([belong_decl:decls_accu], dcl_modules, eii_declaring_modules, visited_modules, cs_error)
			_
				# cs_error
					= case need_all of
						True
							# cs_error
									= pushErrorAdmin (newPosition import_ident position) cs_error
							  cs_error
							  		= checkError belong_ident ("of "+++eii_ident.id_name+++" not exported by the specified module")
							  				cs_error
							-> popErrorAdmin cs_error
						_
							-> cs_error
				-> (decls_accu, dcl_modules, eii_declaring_modules, visited_modules, cs_error)

	store_belonging belong_nr ini_symbol_nr mod_index eii_declaring_modules
		# (Yes di=:{di_belonging}, eii_declaring_modules)
				= ikhUSearch mod_index eii_declaring_modules
		  (new, eii_declaring_modules)
		  		= ikhInsert True mod_index { di & di_belonging = addNr belong_nr di_belonging } eii_declaring_modules
		| new
			= abort "sanity check nr 2765 failed in module check"
		= eii_declaring_modules

	get_nth_belonging_decl position belong_nr decl dcl_modules
		# (STE_Imported _ def_mod_index) = decl.dcl_kind
		  (belongin_symbols, dcl_modules)
				= getBelongingSymbols decl dcl_modules
		= case belongin_symbols of
			BS_Constructors constructors
				# {ds_ident, ds_index} = constructors!!belong_nr
				-> ({ dcl_ident = ds_ident, dcl_pos = position, 
						dcl_kind = STE_Imported STE_Constructor def_mod_index,
						dcl_index = ds_index }, dcl_modules)
			BS_Fields rt_fields
				# {fs_name, fs_index} = rt_fields.[belong_nr]
				  ({sd_symb}, dcl_modules)
						= dcl_modules![def_mod_index].dcl_common.com_selector_defs.[fs_index]
				-> ({ dcl_ident = fs_name, dcl_pos = position, 
						dcl_kind = STE_Imported (STE_Field sd_symb) def_mod_index,
						dcl_index = fs_index }, dcl_modules)
			BS_Members class_members
				# {ds_ident, ds_index} = class_members.[belong_nr]
				-> ({ dcl_ident = ds_ident, dcl_pos = position,
						 dcl_kind = STE_Imported STE_Member def_mod_index,
						dcl_index = ds_index }, dcl_modules)

	get_all_belongs decl dcl_modules
		# (belonging_symbols, dcl_modules)
				= getBelongingSymbols decl dcl_modules
		= case belonging_symbols of
			BS_Constructors constructors
				-> ([ds_ident \\ {ds_ident}<-constructors], dcl_modules)
			BS_Fields rt_fields
				-> ([fs_name \\ {fs_name}<-:rt_fields], dcl_modules)
			BS_Members class_members
				# (STE_Imported _ def_mod_index) = decl.dcl_kind
				  ({class_members}, dcl_modules)
						= dcl_modules![def_mod_index].dcl_common.com_class_defs.[decl.dcl_index]
				-> ([ds_ident \\ {ds_ident}<-:class_members], dcl_modules)
			BS_Nothing
				-> ([], dcl_modules)

	numerate_belongs {id_info} (i, cs_symbol_table)
		# (ste, cs_symbol_table)
				= readPtr id_info cs_symbol_table
		  new_ste
		  		= { ste & ste_kind = STE_BelongingSymbol i, ste_previous = ste }
		= (i+1, writePtr id_info new_ste cs_symbol_table)
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
293
	
294
295
296
	get_opt_nr_and_ident position eii_ident {ii_ident=ii_ident=:{id_info}} (cs_error, cs_symbol_table)
		# ({ste_kind}, cs_symbol_table)
				= readPtr id_info cs_symbol_table
297
		= case ste_kind of
298
299
300
301
302
303
304
305
			STE_BelongingSymbol i
				-> (Yes (i, ii_ident), (cs_error, cs_symbol_table))
			_
				# cs_error
						= pushErrorAdmin (newPosition import_ident position) cs_error
				  cs_error
						= checkError ii_ident ("does not belong to "+++eii_ident.id_name) cs_error 
				-> (No, (popErrorAdmin cs_error, cs_symbol_table))
306
		
307
	search_expl_imp_symbol expl_imp_indices_ikh modules_in_component_set importing_mod imported_mod
Martin Wierich's avatar
Martin Wierich committed
308
			ini=:{ini_symbol_nr} (decls_accu, belonging_accu, visited_modules, expl_imp_info)
309
310
311
312
313
		# (ExplImpInfo eii_ident eii_declaring_modules, expl_imp_info)
				= replace expl_imp_info ini_symbol_nr TemporarilyFetchedAway
		  (opt_decl, path, eii_declaring_modules, visited_modules)
				= depth_first_search expl_imp_indices_ikh modules_in_component_set imported_mod
						ini_symbol_nr cUndef stupid_ident [importing_mod]
Martin Wierich's avatar
Martin Wierich committed
314
						eii_declaring_modules (bitvectResetAll visited_modules)
315
		= case opt_decl of
Martin Wierich's avatar
Martin Wierich committed
316
			Yes di=:{di_decl, di_instances}
317
318
319
320
				# new_eii_declaring_modules
				  		= foldSt (\mod_index eei_dm->ikhInsert` False mod_index 
				  					{di_decl = di_decl, di_instances = [], di_belonging=EndNumbers} eei_dm)
				  				path eii_declaring_modules
Martin Wierich's avatar
Martin Wierich committed
321
322
323
324
325
326
				  new_belonging_accu
				  		= case ini.ini_belonging of
				  			No
				  				-> belonging_accu
				  			Yes _
				  				-> [(di_decl, ini, imported_mod):belonging_accu]
327
				  new_eii
Martin Wierich's avatar
Martin Wierich committed
328
329
330
				  			= ExplImpInfo eii_ident new_eii_declaring_modules
				-> (True, ([di_decl:di_instances++decls_accu], new_belonging_accu, visited_modules,
							{ expl_imp_info & [ini_symbol_nr] = new_eii }))
331
332
333
			No
				# eii
				  		= ExplImpInfo eii_ident eii_declaring_modules
Martin Wierich's avatar
Martin Wierich committed
334
				-> (False, (decls_accu, belonging_accu, visited_modules, { expl_imp_info & [ini_symbol_nr] = eii }))
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376

	depth_first_search expl_imp_indices_ikh modules_in_component_set
			imported_mod imported_symbol belong_nr belong_ident path eii_declaring_modules visited_modules
//		| False--->("depth_first_search imported_mod", imported_mod, "imported_symbol", imported_symbol)
//			= undef
		# (search_result, eii_declaring_modules)
				= ikhUSearch imported_mod eii_declaring_modules
		= case search_result of
			yes_di=:(Yes di)
				| belong_nr==cUndef
					-> (yes_di, path, eii_declaring_modules, visited_modules)
				| inNumberSet belong_nr di.di_belonging
					-> (yes_di, path, eii_declaring_modules, visited_modules)
			_
				| not (bitvectSelect imported_mod modules_in_component_set)
					// the eii_declaring_modules is complete for modules that are outside
					// (=beneath) the actual component=> no need to search further
					-> (No, [], eii_declaring_modules, visited_modules)
				# imports_of_imported_mod
				  		= ikhSearch` imported_mod expl_imp_indices_ikh
				-> try_children imports_of_imported_mod expl_imp_indices_ikh 
						modules_in_component_set imported_symbol belong_nr belong_ident
						[imported_mod:path]
						eii_declaring_modules (bitvectSet imported_mod visited_modules)

	try_children [(imp_imp_mod, _, imp_imp_symbols):imports] expl_imp_indices_ikh
			modules_in_component_set imported_symbol belong_nr belong_ident path eii_declaring_modules visited_modules
		| bitvectSelect imp_imp_mod visited_modules
//			| False--->"visited" = undef
			= try_children imports expl_imp_indices_ikh modules_in_component_set imported_symbol
					belong_nr belong_ident path eii_declaring_modules visited_modules
		| not (isEmpty imp_imp_symbols)
			// follow the path trough an explicit import only if the symbol is listed there
			# (found, ini_belonging)
					= search_imported_symbol imported_symbol imp_imp_symbols
			| not (found && implies (belong_nr<>cUndef) (belong_ident_found belong_ident ini_belonging))
				= try_children imports expl_imp_indices_ikh modules_in_component_set imported_symbol
						belong_nr belong_ident path eii_declaring_modules visited_modules
			= continue imp_imp_mod imports expl_imp_indices_ikh modules_in_component_set imported_symbol
						belong_nr belong_ident path eii_declaring_modules visited_modules
		= continue imp_imp_mod imports expl_imp_indices_ikh modules_in_component_set imported_symbol
						belong_nr belong_ident path eii_declaring_modules visited_modules
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
377
	  where
378
379
380
381
382
383
384
385
386
387
388
		continue imp_imp_mod imports expl_imp_indices_ikh modules_in_component_set imported_symbol
							belong_nr belong_ident path eii_declaring_modules visited_modules
			# (opt_decl, path, eii_declaring_modules, visited_modules)
					= depth_first_search expl_imp_indices_ikh modules_in_component_set imp_imp_mod
							imported_symbol belong_nr belong_ident path eii_declaring_modules visited_modules
			= case opt_decl of
				Yes _
					-> (opt_decl, path, eii_declaring_modules, visited_modules)
				No
					-> try_children imports expl_imp_indices_ikh modules_in_component_set
							imported_symbol belong_nr belong_ident path eii_declaring_modules visited_modules
389
	
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
	try_children [] expl_imp_indices_ikh _ imported_symbol belong_nr belong_ident path
			eii_declaring_modules visited_modules
		= (No, [], eii_declaring_modules, visited_modules)

	search_imported_symbol :: !Int ![ImportNrAndIdents] -> (!Bool, !Optional [ImportedIdent])
	search_imported_symbol imported_symbol []
		= (False, No)
	search_imported_symbol imported_symbol [{ini_symbol_nr, ini_belonging}:t]
		| imported_symbol==ini_symbol_nr
			= (True, ini_belonging)
		= search_imported_symbol imported_symbol t


	belong_ident_found :: !Ident !(Optional [ImportedIdent]) -> Bool
	belong_ident_found belong_ident No
		// like from m import ::T
		= False
	belong_ident_found belong_ident (Yes [])
		// like from m import ::T(..)
		= True 
	belong_ident_found belong_ident (Yes import_list)
		// like from m import ::T(C1,C2)
		= is_member belong_ident import_list

	is_member :: !Ident ![ImportedIdent] -> Bool
	is_member belong_ident []
		= False
	is_member belong_ident [{ii_ident}:t]
		| belong_ident==ii_ident
			= True
		= is_member belong_ident t

Martin Wierich's avatar
Martin Wierich committed
422
	check_triples position [False, False, False: t1] [imported_symbol, _, _: t2] (expl_imp_info, cs_error)
423
424
425
426
427
428
429
		# (expl_imp_info, cs_error)
				= give_error position imported_symbol (expl_imp_info, cs_error)
		= check_triples position t1 t2 (expl_imp_info, cs_error)
	check_triples position [_, _, _: t1] [_, _, _: t2] (expl_imp_info, cs_error)
		= check_triples position t1 t2 (expl_imp_info, cs_error)
	check_triples position [] [] (expl_imp_info, cs_error)
		= (expl_imp_info, cs_error)
430
		
Martin Wierich's avatar
Martin Wierich committed
431
	check_singles position [False: t1] [imported_symbol: t2] (expl_imp_info, cs_error)
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
		# (expl_imp_info, cs_error)
				= give_error position imported_symbol (expl_imp_info, cs_error)
		= check_singles position t1 t2 (expl_imp_info, cs_error)
	check_singles position [_:t1] [_:t2] (expl_imp_info, cs_error)
		= check_singles position t1 t2 (expl_imp_info, cs_error)
	check_singles position [] [] (expl_imp_info, cs_error)
		= (expl_imp_info, cs_error)
		
	give_error position {ini_symbol_nr} (expl_imp_info, cs_error)
		# (eii_ident, expl_imp_info)
				= do_a_lot_just_to_read_an_array_2 ini_symbol_nr expl_imp_info
		  cs_error
				= pushErrorAdmin (newPosition import_ident position) cs_error
		  cs_error
				// XXX it should be also printed to which namespace eii_ident belongs
		  		= checkError eii_ident "not exported by the specified module" cs_error
		= (expl_imp_info, popErrorAdmin cs_error)

	do_a_lot_just_to_read_an_array_2 i expl_imp_info
		# (eii, expl_imp_info)
				= replace expl_imp_info i TemporarilyFetchedAway
		  (eii_ident, eii)
		  		= get_eei_ident eii
		= (eii_ident, { expl_imp_info & [i] = eii })

Martin Wierich's avatar
Martin Wierich committed
457
get_eei_ident (eii=:ExplImpInfo eii_ident _) = (eii_ident, eii)
458
	
459
460
461
462
463
464
465
466
467
:: CheckCompletenessState =
	{	ccs_dcl_modules				:: !.{#DclModule}
	,	ccs_icl_functions			:: !.{#FunDef}
	,	ccs_set_of_visited_icl_funs	:: !.{#Bool}		// ccs_set_of_visited_icl_funs.[i] <=> function nr i has been considered
	,	ccs_expr_heap				:: !.ExpressionHeap
	,	ccs_symbol_table			:: !.SymbolTable
	,	ccs_error					:: !.ErrorAdmin
	,	ccs_heap_changes_accu		:: ![SymbolPtr]
	}
468

469
470
471
:: *CheckCompletenessStateBox = { box_ccs :: !*CheckCompletenessState }

:: CheckCompletenessInput =
472
473
	{	cci_import_position		:: !Position
	,	cci_main_dcl_module_n	:: !Int
474
	}
475

476
477
:: CheckCompletenessInputBox = { box_cci :: !CheckCompletenessInput }

Martin Wierich's avatar
Martin Wierich committed
478
checkExplicitImportCompleteness :: ![([Declaration], Position)] !*{#DclModule} !*{#FunDef} !*ExpressionHeap !*CheckState
479
				-> (!.{#DclModule},!.{#FunDef},!.ExpressionHeap,!.CheckState)
480
checkExplicitImportCompleteness dcls_explicit dcl_modules icl_functions expr_heap 
481
482
483
484
485
486
								cs=:{cs_symbol_table, cs_error}
	#! nr_icl_functions = size icl_functions
	   box_ccs = { ccs_dcl_modules = dcl_modules, ccs_icl_functions = icl_functions,
	   			ccs_set_of_visited_icl_funs = createArray nr_icl_functions False,
				ccs_expr_heap = expr_heap, ccs_symbol_table = cs_symbol_table,
				ccs_error = cs_error, ccs_heap_changes_accu = [] }
487
488
	   main_dcl_module_n
	   		= cs.cs_x.x_main_dcl_module_n
Martin Wierich's avatar
Martin Wierich committed
489
490
491
492
493
//	   ccs = foldSt (checkCompleteness main_dcl_module_n) dcls_explicit { box_ccs = box_ccs }
	   ccs = foldSt (\(dcls, position) ccs
	   					-> foldSt (checkCompleteness main_dcl_module_n position) dcls ccs)
	   				dcls_explicit
	   				{ box_ccs = box_ccs }
494
495
496
497
498
499
	   { ccs_dcl_modules, ccs_icl_functions, ccs_expr_heap, ccs_symbol_table, ccs_error, ccs_heap_changes_accu }
	   		= ccs.box_ccs
	// repair heap contents
	   ccs_symbol_table = foldSt replace_ste_with_previous ccs_heap_changes_accu ccs_symbol_table
	   cs = { cs & cs_symbol_table = ccs_symbol_table, cs_error = ccs_error }
	= (ccs_dcl_modules, ccs_icl_functions, ccs_expr_heap, cs)
500
  where
Martin Wierich's avatar
Martin Wierich committed
501
502
	checkCompleteness :: !Int !Position !Declaration !*CheckCompletenessStateBox -> *CheckCompletenessStateBox
	checkCompleteness main_dcl_module_n import_position {dcl_ident, dcl_index, dcl_kind=STE_FunctionOrMacro _} ccs 
503
		= checkCompletenessOfMacro dcl_ident dcl_index main_dcl_module_n import_position ccs
Martin Wierich's avatar
Martin Wierich committed
504
	checkCompleteness main_dcl_module_n import_position {dcl_ident, dcl_index, dcl_kind=STE_Imported (STE_FunctionOrMacro _) mod_index} ccs 
505
		= checkCompletenessOfMacro dcl_ident dcl_index main_dcl_module_n import_position ccs
Martin Wierich's avatar
Martin Wierich committed
506
	checkCompleteness main_dcl_module_n import_position {dcl_ident, dcl_index, dcl_kind=STE_Imported expl_imp_kind mod_index} ccs 
507
		#! ({dcl_common,dcl_functions}, ccs) = ccs!box_ccs.ccs_dcl_modules.[mod_index]
508
		   cci = { box_cci = { cci_import_position = import_position, cci_main_dcl_module_n=main_dcl_module_n }}
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
		= continuation expl_imp_kind dcl_common dcl_functions cci ccs
	  where
		continuation :: !STE_Kind CommonDefs !{# FunType} !CheckCompletenessInputBox !*CheckCompletenessStateBox
					-> *CheckCompletenessStateBox
		continuation STE_Type dcl_common dcl_functions cci ccs
			= check_completeness dcl_common.com_type_defs.[dcl_index] cci ccs
		continuation STE_Constructor dcl_common dcl_functions cci ccs
			= check_completeness dcl_common.com_cons_defs.[dcl_index] cci ccs
		continuation (STE_Field _) dcl_common dcl_functions cci ccs
			= check_completeness dcl_common.com_selector_defs.[dcl_index] cci ccs
		continuation STE_Class dcl_common dcl_functions cci ccs
			= check_completeness dcl_common.com_class_defs.[dcl_index] cci ccs
		continuation STE_Member dcl_common dcl_functions cci ccs
			= check_completeness dcl_common.com_member_defs.[dcl_index] cci ccs
		continuation (STE_Instance _) dcl_common dcl_functions cci ccs
			= check_completeness dcl_common.com_instance_defs.[dcl_index] cci ccs
		continuation STE_DclFunction dcl_common dcl_functions cci ccs
			= check_completeness dcl_functions.[dcl_index] cci ccs
527
	
528
	checkCompletenessOfMacro :: !Ident !Index !Int !Position !*CheckCompletenessStateBox -> *CheckCompletenessStateBox
529
	checkCompletenessOfMacro dcl_ident dcl_index main_dcl_module_n import_position ccs
530
531
		#! ({fun_body}, ccs) = ccs!box_ccs.ccs_icl_functions.[dcl_index]
		   ccs = { ccs & box_ccs.ccs_set_of_visited_icl_funs.[dcl_index] = True }
532
		   cci = { box_cci = { cci_import_position = import_position, cci_main_dcl_module_n=main_dcl_module_n }}
533
		= check_completeness fun_body cci ccs
534
	
535
536
537
538
	replace_ste_with_previous :: !SymbolPtr !*SymbolTable -> .SymbolTable
	replace_ste_with_previous changed_ste_ptr symbol_table
		#! ({ste_previous}, symbol_table) = readPtr changed_ste_ptr symbol_table
		= writePtr changed_ste_ptr ste_previous symbol_table
539
	
540
541
542
543
544
545
546
instance toString STE_Kind where
	toString (STE_FunctionOrMacro _)	= "function/macro"
	toString STE_Type 					= "type"
	toString STE_Constructor 			= "constructor"
	toString (STE_Field _) 				= "field"
	toString STE_Class 					= "class"
	toString STE_Member 				= "class member"
547
	toString (STE_Instance _)			= "instance"
548
549
550
551
552
553
554
555
556

check_whether_ident_is_imported :: !Ident !STE_Kind !CheckCompletenessInputBox !*CheckCompletenessStateBox 
								-> *CheckCompletenessStateBox
check_whether_ident_is_imported ident wanted_ste_kind cci ccs=:{box_ccs=box_ccs=:{ccs_symbol_table}}
	#! (ste=:{ste_kind}, ccs_symbol_table) = readPtr ident.id_info ccs_symbol_table
	   ccs = { ccs & box_ccs = { box_ccs & ccs_symbol_table = ccs_symbol_table } }
	| is_imported ste_kind wanted_ste_kind
		= ccs
	#! (ccs=:{box_ccs=box_ccs=:{ccs_symbol_table, ccs_error, ccs_heap_changes_accu}}) = ccs
557
558
559
	   {box_cci={cci_import_position}} = cci
	   ccs_error = checkErrorWithIdentPos (newPosition { id_name="import", id_info=nilPtr } cci_import_position)
	   				(" "+++toString wanted_ste_kind+++" "+++toString ident.id_name+++" not imported") ccs_error
560
561
562
563
	   // pretend that the unimported symbol was imported to prevent doubling error mesages
	   ccs_symbol_table = writePtr ident.id_info { ste & ste_kind = wanted_ste_kind, ste_previous = ste } ccs_symbol_table
	= { ccs & box_ccs = { box_ccs & ccs_error = ccs_error, ccs_symbol_table = ccs_symbol_table, 
									ccs_heap_changes_accu = [ident.id_info:ccs_heap_changes_accu] }}
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
564
  where
565
566
567
568
	is_imported (STE_Imported ste_kind _) wanted_ste_kind
		= ste_kind==wanted_ste_kind
	is_imported ste_kind wanted_ste_kind
		= ste_kind==wanted_ste_kind
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
569

570
class check_completeness x :: !x !CheckCompletenessInputBox !*CheckCompletenessStateBox -> *CheckCompletenessStateBox
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
571

572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
instance check_completeness App where
	check_completeness {app_symb, app_args}	cci ccs
		= check_completeness app_symb cci
		  (check_completeness app_args cci ccs)
	
instance check_completeness AlgebraicPattern where
	check_completeness {ap_symbol, ap_expr} cci ccs
		= check_completeness ap_expr cci
		  (check_whether_ident_is_imported ap_symbol.glob_object.ds_ident STE_Constructor cci ccs)

instance check_completeness AType where
	check_completeness {at_type} cci ccs
		= check_completeness at_type cci ccs

instance check_completeness BasicPattern where
	check_completeness {bp_expr} cci ccs
		= check_completeness bp_expr cci ccs

590
591
592
instance check_completeness LetBind where
	check_completeness {lb_src} cci ccs
		= check_completeness lb_src cci ccs
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610

instance check_completeness Case where
	check_completeness { case_expr, case_guards, case_default } cci ccs
		= ( (check_completeness case_expr cci)
		  o (check_completeness case_guards cci)
		  o (check_completeness case_default cci)
		  ) ccs

instance check_completeness CasePatterns where
	check_completeness (AlgebraicPatterns _ algebraicPatterns) cci ccs
		= check_completeness algebraicPatterns cci ccs
	check_completeness (BasicPatterns _ basicPatterns) cci ccs
		= check_completeness basicPatterns cci ccs
	check_completeness (DynamicPatterns dynamicPatterns) cci ccs
		= check_completeness dynamicPatterns cci ccs
	check_completeness NoPattern _ ccs
		= ccs

611
612
613
614
instance check_completeness CheckedAlternative where
	check_completeness {ca_rhs} cci ccs
		= check_completeness ca_rhs cci ccs

615
616
617
618
619
620
621
622
623
instance check_completeness CheckedBody where
	check_completeness {cb_rhs} cci ccs
		= check_completeness cb_rhs cci ccs

instance check_completeness ClassDef where
	check_completeness {class_context} cci ccs
		= check_completeness class_context cci ccs

instance check_completeness ClassInstance where
624
625
626
	check_completeness {ins_class, ins_type} cci ccs
		= check_completeness ins_type cci
		  (check_whether_ident_is_imported ins_class.glob_object.ds_ident STE_Class cci ccs)
627
628

instance check_completeness ConsDef
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
629
  where
630
631
	check_completeness {cons_type} cci ccs
		= check_completeness cons_type cci ccs
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
632

633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
instance check_completeness DynamicPattern where
	check_completeness { dp_rhs, dp_type } cci ccs
		= check_completeness dp_rhs cci
		  (check_completeness_of_dyn_expr_ptr dp_type cci ccs)
	
instance check_completeness DynamicExpr where
	check_completeness { dyn_expr, dyn_opt_type } cci ccs
		= check_completeness dyn_expr cci
		  (check_completeness dyn_opt_type cci ccs)

instance check_completeness DynamicType where
	check_completeness { dt_type } cci ccs
		= check_completeness dt_type cci ccs

instance check_completeness Expression where
	check_completeness (Var _) cci ccs
		= ccs
	check_completeness (App app) cci ccs
		= check_completeness app cci ccs
	check_completeness (expression @ expressions) cci ccs
		= check_completeness expression cci
		  (check_completeness expressions cci ccs)
	check_completeness (Let lad) cci ccs
		= check_completeness lad cci ccs
	check_completeness (Case keesje) cci ccs
		= check_completeness keesje cci ccs
	check_completeness (Selection _ expression selections) cci ccs
		= check_completeness expression cci
		  (check_completeness selections cci ccs)
	check_completeness (TupleSelect _ _ expression) cci ccs
		= check_completeness expression cci ccs
	check_completeness (BasicExpr _ _) _ ccs
		= ccs
	check_completeness (AnyCodeExpr _ _ _) _ ccs
		= ccs
	check_completeness (ABCCodeExpr _ _) _ ccs
		= ccs
	check_completeness (MatchExpr _ constructor expression) cci ccs
		= check_completeness expression cci
		  (check_whether_ident_is_imported constructor.glob_object.ds_ident STE_Constructor cci ccs)
	check_completeness (FreeVar _) _ ccs
		= ccs
	check_completeness (DynamicExpr dynamicExpr) cci ccs
		= check_completeness dynamicExpr cci ccs
	check_completeness EE _ ccs
		= ccs
	check_completeness (Update expr1 selections expr2) cci ccs
		= ( (check_completeness expr1 cci)
		  o (check_completeness selections cci)
		  o (check_completeness expr2) cci
		  ) ccs
	check_completeness expr _ _
		= abort "explicitimports:check_completeness (Expression) does not match" <<- expr

instance check_completeness FunctionBody where
	check_completeness (CheckedBody body) cci ccs
		= check_completeness body cci ccs
	check_completeness (TransformedBody body) cci ccs
		= check_completeness body cci ccs
	check_completeness (RhsMacroBody body) cci ccs
		= check_completeness body cci ccs
			
instance check_completeness FunDef where
	check_completeness {fun_type, fun_body, fun_info} cci ccs
		= ( (check_completeness fun_type cci)
		  o (check_completeness fun_body cci)
		  o (foldSt (flipM check_completeness_of_dyn_expr_ptr cci) fun_info.fi_dynamics)
		  ) ccs

instance check_completeness FunType where
	check_completeness {ft_type} cci ccs
		= check_completeness ft_type cci ccs

instance check_completeness (Global x) | check_completeness x where
	check_completeness { glob_object } cci ccs
		= check_completeness glob_object cci ccs

instance check_completeness InstanceType where
	check_completeness {it_types, it_context} cci ccs
		= check_completeness it_types cci
		  (check_completeness it_context cci ccs)

instance check_completeness Let where
	check_completeness { let_strict_binds, let_lazy_binds, let_expr } cci ccs
  		= ( (check_completeness let_expr cci)
  		  o (check_completeness let_strict_binds cci)
  		  o (check_completeness let_lazy_binds cci)
  		  ) ccs

instance check_completeness MemberDef where
  	check_completeness {me_type} cci ccs 
  		= check_completeness me_type cci ccs

instance check_completeness (Optional x) | check_completeness x where
	check_completeness (Yes x) cci ccs
		= check_completeness x cci ccs
	check_completeness No _ ccs
		= ccs

instance check_completeness Selection where
	check_completeness (RecordSelection {glob_object,glob_module} _) cci ccs
		#! ({dcl_common}, ccs)	= ccs!box_ccs.ccs_dcl_modules.[glob_module]	// the selector's filed has to be looked up
		   ({sd_field}) = dcl_common.com_selector_defs.[glob_object.ds_index]
		= check_whether_ident_is_imported sd_field ste_field cci ccs
	check_completeness (ArraySelection _ _ index_expr) cci ccs
		= check_completeness index_expr cci ccs
	check_completeness (DictionarySelection _ selections _ index_expr) cci ccs
		= check_completeness selections cci
		  (check_completeness index_expr cci ccs)

instance check_completeness SelectorDef where
	check_completeness {sd_type} cci ccs
		= check_completeness sd_type cci ccs

instance check_completeness SymbIdent where
	check_completeness {symb_name, symb_kind} cci ccs
		= case symb_kind of
			SK_Constructor _
				-> check_whether_ident_is_imported symb_name STE_Constructor cci ccs
			SK_Function global_index
				-> check_completeness_for_function symb_name global_index ste_fun_or_macro cci ccs
754
755
			SK_LocalMacroFunction function_index
				-> check_completeness_for_local_macro_function symb_name function_index ste_fun_or_macro cci ccs
756
757
758
759
760
761
			SK_OverloadedFunction global_index
				-> check_completeness_for_function symb_name global_index STE_Member cci ccs
  			SK_Macro global_index
  				-> check_completeness_for_function symb_name global_index ste_fun_or_macro cci ccs
  	  where
		check_completeness_for_function symb_name {glob_object,glob_module} wanted_ste_kind cci ccs
762
			| glob_module<>cci.box_cci.cci_main_dcl_module_n
763
764
765
766
767
768
769
770
771
772
773
774
				// the function that is referred from within a macro is a DclFunction
				// -> must be global -> has to be imported
				= check_whether_ident_is_imported symb_name wanted_ste_kind cci ccs
			#! (fun_def, ccs)	= ccs!box_ccs.ccs_icl_functions.[glob_object]
			// otherwise the function was defined locally in a macro
			// it is not a consequence, but it's type and body are consequences !
			#! (already_visited, ccs) = ccs!box_ccs.ccs_set_of_visited_icl_funs.[glob_object]
			| already_visited
				= ccs
			#! ccs = { ccs & box_ccs.ccs_set_of_visited_icl_funs.[glob_object] = True }
			= check_completeness fun_def cci ccs

775
776
777
778
779
780
781
782
783
784
		check_completeness_for_local_macro_function symb_name glob_object wanted_ste_kind cci ccs
			#! (fun_def, ccs)	= ccs!box_ccs.ccs_icl_functions.[glob_object]
			// otherwise the function was defined locally in a macro
			// it is not a consequence, but it's type and body are consequences !
			#! (already_visited, ccs) = ccs!box_ccs.ccs_set_of_visited_icl_funs.[glob_object]
			| already_visited
				= ccs
			#! ccs = { ccs & box_ccs.ccs_set_of_visited_icl_funs.[glob_object] = True }
			= check_completeness fun_def cci ccs

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
instance check_completeness SymbolType where
	check_completeness {st_args, st_result, st_context} cci ccs
		= ( (check_completeness st_args cci)
		  o (check_completeness st_result cci)
		  o (check_completeness st_context cci)
		  ) ccs

instance check_completeness TransformedBody where
	check_completeness {tb_rhs} cci ccs
		= check_completeness tb_rhs cci ccs

instance check_completeness Type where
	check_completeness (TA {type_name} arguments) cci ccs
		= check_completeness arguments cci
		  (check_whether_ident_is_imported type_name STE_Type cci ccs)
	check_completeness (l --> r) cci ccs
		= check_completeness l cci
		  (check_completeness r cci ccs)
	check_completeness (_ :@: arguments) cci ccs
		= check_completeness arguments cci ccs
	check_completeness _ _ ccs
		= ccs

instance check_completeness TypeContext where
	check_completeness {tc_class, tc_types} cci ccs
		= check_completeness tc_types cci
		  (check_whether_ident_is_imported tc_class.glob_object.ds_ident STE_Class cci ccs)

instance check_completeness (TypeDef TypeRhs) where
	check_completeness {td_rhs, td_context}	cci ccs
		= check_completeness td_rhs cci 
		  (check_completeness td_context cci ccs)

instance check_completeness TypeRhs where
	check_completeness (SynType aType) cci ccs
		= check_completeness aType cci ccs
	check_completeness _ _ ccs
		= ccs

instance check_completeness [a]	| check_completeness a
Ronny Wichers Schreur's avatar
Ronny Wichers Schreur committed
825
  where
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
	check_completeness [] _ ccs
		= ccs
	check_completeness [h:t] cci ccs
		= check_completeness h cci
		  (check_completeness t cci ccs)

check_completeness_of_dyn_expr_ptr :: !ExprInfoPtr !CheckCompletenessInputBox !*CheckCompletenessStateBox
								-> *CheckCompletenessStateBox 
check_completeness_of_dyn_expr_ptr dyn_expr_ptr cci ccs=:{box_ccs=box_ccs=:{ccs_expr_heap}}
	#! (expr_info, ccs_expr_heap) = readPtr dyn_expr_ptr ccs_expr_heap
	   ccs = { ccs & box_ccs = { box_ccs & ccs_expr_heap = ccs_expr_heap }}
 	= case expr_info of
		(EI_Dynamic No)	
			-> ccs
		(EI_Dynamic (Yes dynamic_type))
			-> check_completeness dynamic_type cci ccs
		(EI_DynamicType dynamic_type further_dynamic_ptrs)
			-> check_completeness dynamic_type cci
			   (foldSt (flipM check_completeness_of_dyn_expr_ptr cci) further_dynamic_ptrs ccs)
		(EI_DynamicTypeWithVars _ dynamic_type further_dynamic_ptrs)
			-> check_completeness dynamic_type cci
			   (foldSt (flipM check_completeness_of_dyn_expr_ptr cci) further_dynamic_ptrs ccs)

flipM f a b :== f b a

// STE_Kinds just for comparision
ste_field =: STE_Field { id_name="", id_info=nilPtr }
ste_fun_or_macro =: STE_FunctionOrMacro []
854

855
856
857
858
stupid_ident =: { id_name = "stupid", id_info = nilPtr }

// XXX from m import :: T(..) works also if T is a record type