implementation module frontend // $Id$ // vi:set tabstop=4 noet: import scanner, parse, postparse, check, type, trans, convertcases, overloading, utilities, convertDynamics, convertimportedtypes, checkKindCorrectness, compilerSwitches, analtypes, generics, supercompile :: FrontEndSyntaxTree = { fe_icl :: !IclModule , fe_dcls :: !{#DclModule} , fe_components :: !{!Group} , fe_dclIclConversions ::!Optional {# Index} , fe_iclDclConversions ::!Optional {# Index} , fe_globalFunctions :: !IndexRange , fe_arrayInstances :: !IndexRange } // trace macro (-*->) infixl (-*->) value trace :== value ---> trace build_optional_icl_dcl_conversions :: !Int !(Optional {# Index}) -> Optional {# Index} build_optional_icl_dcl_conversions size No = Yes (buildIclDclConversions size {}) build_optional_icl_dcl_conversions size (Yes dcl_icl_conversions) = Yes (buildIclDclConversions size dcl_icl_conversions) buildIclDclConversions :: !Int !{# Index} -> {# Index} buildIclDclConversions table_size dcl_icl_conversions # dcl_table_size = size dcl_icl_conversions icl_dcl_conversions = update_conversion_array 0 dcl_table_size dcl_icl_conversions (createArray table_size NoIndex) = fill_empty_positions 0 table_size dcl_table_size icl_dcl_conversions where update_conversion_array dcl_index dcl_table_size dcl_icl_conversions icl_conversions | dcl_index < dcl_table_size # icl_index = dcl_icl_conversions.[dcl_index] = update_conversion_array (inc dcl_index) dcl_table_size dcl_icl_conversions { icl_conversions & [icl_index] = dcl_index } = icl_conversions fill_empty_positions next_index table_size next_new_index icl_conversions | next_index < table_size | icl_conversions.[next_index] == NoIndex = fill_empty_positions (inc next_index) table_size (inc next_new_index) { icl_conversions & [next_index] = next_new_index } = fill_empty_positions (inc next_index) table_size next_new_index icl_conversions = icl_conversions :: FrontEndOptions = { feo_upToPhase :: !FrontEndPhase // How much of the frontend to execute , feo_search_paths :: !SearchPaths // Folders in which to search for files , feo_typelisting :: !Optional !Bool // Whether to list derived types, and if so whether to list attributes , feo_fusionstyle :: !FusionStyle // What type of fusion to perform } :: FrontEndPhase = FrontEndPhaseCheck | FrontEndPhaseTypeCheck | FrontEndPhaseConvertDynamics | FrontEndPhaseTransformGroups | FrontEndPhaseConvertModules | FrontEndPhaseAll :: FusionStyle = FS_online // Do online fusion (supercompilation) | FS_offline // Do offline fusion (deforestation) | FS_none // Do no fusion instance == FrontEndPhase where (==) a b = equal_constructor a b frontSyntaxTree cached_functions_and_macros n_functions_and_macros_in_dcl_modules main_dcl_module_n predef_symbols hash_table files error io out tcl_file icl_mod dcl_mods fun_defs components array_instances optional_dcl_icl_conversions global_fun_range heaps :== (Yes { fe_icl = {icl_mod & icl_functions=fun_defs } , fe_dcls = dcl_mods , fe_components = components , fe_dclIclConversions = optional_dcl_icl_conversions , fe_iclDclConversions = build_optional_icl_dcl_conversions (size fun_defs) optional_dcl_icl_conversions , fe_globalFunctions = global_fun_range , fe_arrayInstances = array_instances },cached_functions_and_macros,n_functions_and_macros_in_dcl_modules,main_dcl_module_n,predef_symbols,hash_table,files,error,io,out,tcl_file,heaps ) frontEndInterface :: !FrontEndOptions !Ident !{#DclModule} !{#FunDef} !*PredefinedSymbols !*HashTable !*Files !*File !*File !*File (!Optional !*File) !*Heaps -> ( !Optional *FrontEndSyntaxTree,!.{# FunDef },!Int,!Int,!*PredefinedSymbols, !*HashTable, !*Files, !*File, !*File, !*File, !Optional !*File, !*Heaps) frontEndInterface opts mod_ident dcl_modules functions_and_macros predef_symbols hash_table files error io out tcl_file heaps # {feo_upToPhase=upToPhase, feo_search_paths=search_paths,feo_typelisting=list_inferred_types} = opts # (ok, mod, hash_table, error, predef_symbols, files) = wantModule cWantIclFile mod_ident NoPos (hash_table /* ---> ("Parsing:", mod_ident)*/) error search_paths predef_symbols files | not ok = (No,{},0,0,predef_symbols, hash_table, files, error, io, out, tcl_file, heaps) # cached_module_idents = [dcl_mod.dcl_name \\ dcl_mod<-:dcl_modules] # (ok, mod, global_fun_range, mod_functions, optional_dcl_mod, modules, dcl_module_n_in_cache,n_functions_and_macros_in_dcl_modules,hash_table, error, predef_symbols, files) = scanModule (mod -*-> "Scanning") cached_module_idents (size functions_and_macros) hash_table error search_paths predef_symbols files /* JVG: */ // # hash_table = {hash_table & hte_entries={}} # hash_table = remove_icl_symbols_from_hash_table hash_table /**/ | not ok = (No,{},0,0,predef_symbols, hash_table, files, error, io, out, tcl_file, heaps) # symbol_table = hash_table.hte_symbol_heap (ok, icl_mod, dcl_mods, components, optional_dcl_icl_conversions,cached_functions_and_macros,main_dcl_module_n,heaps, predef_symbols, symbol_table, error /* TD */, directly_imported_dcl_modules) = checkModule mod global_fun_range mod_functions n_functions_and_macros_in_dcl_modules dcl_module_n_in_cache optional_dcl_mod modules dcl_modules functions_and_macros predef_symbols (symbol_table -*-> "Checking") error heaps hash_table = { hash_table & hte_symbol_heap = symbol_table} | not ok = (No,{},0,main_dcl_module_n,predef_symbols, hash_table, files, error, io, out, tcl_file, heaps) #! (icl_functions,icl_mod) = select_and_remove_icl_functions_from_record icl_mod with select_and_remove_icl_functions_from_record :: !*IclModule -> (!.{#FunDef},!.IclModule) select_and_remove_icl_functions_from_record icl_mod=:{icl_functions} = (icl_functions,{icl_mod & icl_functions={}}) // # {icl_functions,icl_instances,icl_specials,icl_common,icl_import} = icl_mod # {icl_instances,icl_specials,icl_common,icl_import,icl_name,icl_imported_objects,icl_used_module_numbers} = icl_mod /* (_,f,files) = fopen "components" FWriteText files (components, icl_functions, f) = showComponents components 0 True icl_functions f (ok,files) = fclose f files | ok<>ok = abort ""; */ // dcl_mods = {{dcl_mod & dcl_declared={dcls_import=[],dcls_local=[],dcls_explicit=[]}}\\ dcl_mod<-:dcl_mods} // # dcl_mods = {{dcl_mod & dcl_declared={dcls_import={},dcls_local=[],dcls_local_for_import={},dcls_explicit={}}}\\ dcl_mod<-:dcl_mods} # var_heap = heaps.hp_var_heap type_heaps = heaps.hp_type_heaps fun_defs = icl_functions array_instances = {ir_from=0, ir_to=0} | upToPhase == FrontEndPhaseCheck = frontSyntaxTree cached_functions_and_macros n_functions_and_macros_in_dcl_modules main_dcl_module_n predef_symbols hash_table files error io out tcl_file icl_mod dcl_mods fun_defs components array_instances optional_dcl_icl_conversions global_fun_range heaps // AA.. # error_admin = {ea_file = error, ea_loc = [], ea_ok = True } # (ti_common_defs, dcl_mods) = get_common_defs dcl_mods ti_common_defs = { ti_common_defs & [main_dcl_module_n] = icl_common } # (td_infos, type_heaps, error_admin) = analTypeDefs ti_common_defs icl_used_module_numbers type_heaps error_admin (fun_defs, dcl_mods, th_vars, td_infos, error_admin) = checkKindCorrectness main_dcl_module_n icl_instances fun_defs ti_common_defs dcl_mods type_heaps.th_vars td_infos error_admin type_heaps = { type_heaps & th_vars = th_vars } # heaps = { heaps & hp_type_heaps = type_heaps } # ti_common_defs = {dcl_common \\ {dcl_common} <-: dcl_mods } # (saved_main_dcl_common, ti_common_defs) = replace ti_common_defs main_dcl_module_n icl_common #! (components, ti_common_defs, fun_defs, generic_range, td_infos, heaps, hash_table, predef_symbols, dcl_mods, optional_dcl_icl_conversions, error_admin) = case SupportGenerics of True -> convertGenerics components main_dcl_module_n ti_common_defs fun_defs td_infos heaps hash_table predef_symbols dcl_mods optional_dcl_icl_conversions error_admin False -> (components, ti_common_defs, fun_defs, {ir_to=0,ir_from=0}, td_infos, heaps, hash_table, predef_symbols, dcl_mods, optional_dcl_icl_conversions, error_admin) # (icl_common, ti_common_defs) = replace copied_ti_common_defs main_dcl_module_n saved_main_dcl_common with copied_ti_common_defs :: !.{#CommonDefs} // needed for Clean 2.0 to disambiguate overloading of replace copied_ti_common_defs = {x \\ x <-: ti_common_defs} # dcl_mods = { {dcl_mod & dcl_common = common} \\ dcl_mod <-: dcl_mods & common <-: ti_common_defs } # error = error_admin.ea_file #! ok = error_admin.ea_ok | not ok = (No,{},0,main_dcl_module_n,predef_symbols, hash_table, files, error, io, out, tcl_file, heaps) // ..AA # (ok, fun_defs, array_instances, type_code_instances, common_defs, imported_funs, type_def_infos, heaps, predef_symbols, error,out) = typeProgram (components -*-> "Typing") main_dcl_module_n fun_defs/*icl_functions*/ icl_specials list_inferred_types icl_common [a\\a<-:icl_import] dcl_mods icl_used_module_numbers td_infos heaps predef_symbols error out dcl_mods | not ok = (No,{},0,main_dcl_module_n,predef_symbols, hash_table, files, error, io, out, tcl_file, heaps) # (fun_def_size, fun_defs) = usize fun_defs # (components, fun_defs) = partitionateFunctions (fun_defs -*-> "partitionateFunctions") [ global_fun_range, icl_instances, icl_specials, generic_range] // (components, fun_defs, error) = showTypes components 0 fun_defs error // (components, fun_defs, error) = showComponents components 0 True fun_defs error // (fun_defs, error) = showFunctions array_instances fun_defs error | upToPhase == FrontEndPhaseTypeCheck = frontSyntaxTree cached_functions_and_macros n_functions_and_macros_in_dcl_modules main_dcl_module_n predef_symbols hash_table files error io out tcl_file icl_mod dcl_mods fun_defs components array_instances optional_dcl_icl_conversions global_fun_range heaps # (components, fun_defs, predef_symbols, dcl_types, used_conses_in_dynamics, var_heap, type_heaps, expression_heap, tcl_file) = convertDynamicPatternsIntoUnifyAppls type_code_instances common_defs main_dcl_module_n (components -*-> "convertDynamics") fun_defs predef_symbols heaps.hp_var_heap heaps.hp_type_heaps heaps.hp_expression_heap tcl_file dcl_mods icl_mod /* TD */ directly_imported_dcl_modules // # (components, fun_defs, error) = showComponents3 components 0 False fun_defs error // (components, fun_defs, error) = showComponents components 0 True fun_defs error | upToPhase == FrontEndPhaseConvertDynamics # heaps = {hp_var_heap=var_heap, hp_type_heaps=type_heaps, hp_expression_heap=expression_heap} = frontSyntaxTree cached_functions_and_macros n_functions_and_macros_in_dcl_modules main_dcl_module_n predef_symbols hash_table files error io out tcl_file icl_mod dcl_mods fun_defs components array_instances optional_dcl_icl_conversions global_fun_range heaps // (components, fun_defs, error) = showComponents components 0 True fun_defs error // VZ.. // Select fusion style and do fusion # (components, fun_defs, dcl_types, used_conses, var_heap, type_heaps, expression_heap, predef_symbols, error, out, files) = do_fusion opts.feo_fusionstyle main_dcl_module_n common_defs imported_funs dcl_types used_conses_in_dynamics type_def_infos type_heaps array_instances components fun_defs var_heap expression_heap icl_specials list_inferred_types icl_common dcl_mods icl_used_module_numbers predef_symbols error out icl_import global_fun_range icl_instances generic_range files // ..VZ | upToPhase == FrontEndPhaseTransformGroups # heaps = {hp_var_heap=var_heap, hp_type_heaps=type_heaps, hp_expression_heap=expression_heap} = frontSyntaxTree cached_functions_and_macros n_functions_and_macros_in_dcl_modules main_dcl_module_n predef_symbols hash_table files error io out tcl_file icl_mod dcl_mods fun_defs components array_instances optional_dcl_icl_conversions global_fun_range heaps # (dcl_types, used_conses, var_heap, type_heaps) = convertIclModule main_dcl_module_n common_defs (dcl_types -*-> "Convert icl") used_conses var_heap type_heaps # (dcl_types, used_conses, var_heap, type_heaps) = convertDclModule main_dcl_module_n dcl_mods common_defs (dcl_types -*-> "Convert dcl") used_conses var_heap type_heaps // (components, fun_defs, out) = showComponents components 0 False fun_defs out | upToPhase == FrontEndPhaseConvertModules # heaps = {hp_var_heap=var_heap, hp_type_heaps=type_heaps, hp_expression_heap=expression_heap} = frontSyntaxTree cached_functions_and_macros n_functions_and_macros_in_dcl_modules main_dcl_module_n predef_symbols hash_table files error io out tcl_file icl_mod dcl_mods fun_defs components array_instances optional_dcl_icl_conversions global_fun_range heaps // (components, fun_defs, out) = showComponents components 0 False fun_defs out # (used_funs, components, fun_defs, dcl_types, used_conses, var_heap, type_heaps, expression_heap) = convertCasesOfFunctions components main_dcl_module_n imported_funs common_defs fun_defs (dcl_types -*-> "Convert cases") used_conses var_heap type_heaps expression_heap #! (dcl_types, type_heaps, var_heap) = convertImportedTypeSpecifications main_dcl_module_n dcl_mods imported_funs common_defs used_conses used_funs (dcl_types -*-> "Convert types") type_heaps var_heap # heaps = {hp_var_heap = var_heap, hp_expression_heap=expression_heap, hp_type_heaps=type_heaps} // (components, fun_defs, error) = showTypes components 0 fun_defs error // (dcl_mods, out) = showDclModules dcl_mods out (components, fun_defs, out) = showComponents components 0 False fun_defs out #! fe ={ fe_icl = // {icl_mod & icl_functions=fun_defs } {icl_functions=fun_defs,icl_instances=icl_instances,icl_specials=icl_specials,icl_common=icl_common,icl_import=icl_import, icl_name=icl_name,icl_imported_objects=icl_imported_objects,icl_used_module_numbers=icl_used_module_numbers } , fe_dcls = dcl_mods , fe_components = components , fe_dclIclConversions = optional_dcl_icl_conversions , fe_iclDclConversions = build_optional_icl_dcl_conversions (size fun_defs) optional_dcl_icl_conversions , fe_arrayInstances = array_instances,fe_globalFunctions=global_fun_range } = (Yes fe,cached_functions_and_macros,n_functions_and_macros_in_dcl_modules,main_dcl_module_n,predef_symbols,hash_table,files,error,io,out,tcl_file,heaps) where build_optional_icl_dcl_conversions :: !Int !(Optional {# Index}) -> Optional {# Index} build_optional_icl_dcl_conversions size No = Yes (build_icl_dcl_conversions size {}) build_optional_icl_dcl_conversions size (Yes dcl_icl_conversions) = Yes (build_icl_dcl_conversions size dcl_icl_conversions) build_icl_dcl_conversions :: !Int !{# Index} -> {# Index} build_icl_dcl_conversions table_size dcl_icl_conversions # dcl_table_size = size dcl_icl_conversions icl_dcl_conversions = update_conversion_array 0 dcl_table_size dcl_icl_conversions (createArray table_size NoIndex) = fill_empty_positions 0 table_size dcl_table_size icl_dcl_conversions update_conversion_array dcl_index dcl_table_size dcl_icl_conversions icl_conversions | dcl_index < dcl_table_size # icl_index = dcl_icl_conversions.[dcl_index] = update_conversion_array (inc dcl_index) dcl_table_size dcl_icl_conversions { icl_conversions & [icl_index] = dcl_index } = icl_conversions fill_empty_positions next_index table_size next_new_index icl_conversions | next_index < table_size | icl_conversions.[next_index] == NoIndex = fill_empty_positions (inc next_index) table_size (inc next_new_index) { icl_conversions & [next_index] = next_new_index } = fill_empty_positions (inc next_index) table_size next_new_index icl_conversions = icl_conversions get_common_defs dcl_mods #! size = size dcl_mods # ({dcl_common=arbitrary_value_for_initializing}, dcl_mods) = dcl_mods![0] = loop 0 (createArray size arbitrary_value_for_initializing) dcl_mods where loop :: !Int !*{#CommonDefs} !u:{#DclModule} -> (!*{#CommonDefs}, !u:{#DclModule}) loop i common_defs dcl_mods | i==size dcl_mods = (common_defs, dcl_mods) # ({dcl_common}, dcl_mods) = dcl_mods![i] = loop (i+1) { common_defs & [i] = dcl_common } dcl_mods newSymbolTable :: !Int -> *{# SymbolTableEntry} newSymbolTable size = createArray size { ste_index = NoIndex, ste_def_level = -1, ste_kind = STE_Empty, ste_previous = abort "PreviousPlaceholder"} showFunctions :: !IndexRange !*{# FunDef} !*File -> (!*{# FunDef},!*File) showFunctions {ir_from, ir_to} fun_defs file = iFoldSt show_function ir_from ir_to (fun_defs, file) where show_function fun_index (fun_defs, file) # (fd, fun_defs) = fun_defs![fun_index] = (fun_defs, file <<< fun_index <<< fd <<< '\n') showComponents :: !*{! Group} !Int !Bool !*{# FunDef} !*File -> (!*{! Group}, !*{# FunDef},!*File) showComponents comps comp_index show_types fun_defs file | comp_index >= size comps = (comps, fun_defs, file) # (comp, comps) = comps![comp_index] # (fun_defs, file) = show_component comp.group_members show_types fun_defs (file <<< "component " <<< comp_index <<< '\n') = showComponents comps (inc comp_index) show_types fun_defs file where show_component [] show_types fun_defs file = (fun_defs, file <<< '\n') show_component [fun:funs] show_types fun_defs file # (fun_def, fun_defs) = fun_defs![fun] | show_types = show_component funs show_types fun_defs (file <<< fun_def.fun_type <<< '\n' <<< fun_def) = show_component funs show_types fun_defs (file <<< fun_def) // = show_component funs show_types fun_defs (file <<< fun_def.fun_symb) showComponents2 :: !{! Group} !Int !*{# FunDef} !{! ConsClasses} !*File -> (!*{# FunDef},!*File) showComponents2 comps comp_index fun_defs acc_args file | comp_index >= (size comps) = (fun_defs, file) # (fun_defs, file) = show_component comps.[comp_index].group_members fun_defs acc_args file = showComponents2 comps (inc comp_index) fun_defs acc_args file where show_component [] fun_defs _ file = (fun_defs, file <<< '\n') show_component [fun:funs] fun_defs acc_args file # (fd, fun_defs) = fun_defs![fun] # file = show_accumulating_arguments acc_args.[fun].cc_args (file <<< fd.fun_symb <<< '.' <<< fun <<< " (") = show_component funs fun_defs acc_args (file <<< ") ") show_accumulating_arguments [ cc : ccs] file | cc == cPassive = show_accumulating_arguments ccs (file <<< 'p') | cc == cActive = show_accumulating_arguments ccs (file <<< 'c') | cc == cAccumulating = show_accumulating_arguments ccs (file <<< 'a') = show_accumulating_arguments ccs (file <<< '?') show_accumulating_arguments [] file = file show_components comps fun_defs = map (show_component fun_defs) comps show_component fun_defs [] = [] show_component fun_defs [fun:funs] = [fun_defs.[fun ---> fun] : show_component fun_defs funs] showTypes :: !*{! Group} !Int !*{# FunDef} !*File -> (!*{! Group}, !*{# FunDef},!*File) showTypes comps comp_index fun_defs file | comp_index >= size comps = (comps, fun_defs, file) # (comp, comps) = comps![comp_index] # (fun_defs, file) = show_types comp.group_members fun_defs (file <<< "component " <<< comp_index <<< '\n') = showTypes comps (inc comp_index) fun_defs file where show_types [] fun_defs file = (fun_defs, file <<< '\n') show_types [fun:funs] fun_defs file # (fun_def, fun_defs) = fun_defs![fun] # properties = { form_properties = cAttributed bitor cAnnotated, form_attr_position = No } (Yes ftype) = fun_def.fun_type = show_types funs fun_defs (file <<< fun_def.fun_symb <<< " :: " <:: (properties, ftype, No) <<< '\n' ) showDclModules :: !u:{#DclModule} !*File -> (!u:{#DclModule}, !*File) showDclModules dcl_mods file = show_dcl_mods 0 dcl_mods file where show_dcl_mods mod_index dcl_mods file # (size_dcl_mods, dcl_mods) = usize dcl_mods | mod_index == size_dcl_mods = (dcl_mods, file) | otherwise # (dcl_mod, dcl_mods) = dcl_mods ! [mod_index] # file = show_dcl_mod dcl_mod file = (dcl_mods, file) show_dcl_mod {dcl_name, dcl_functions} file # file = file <<< dcl_name <<< ":\n" # file = show_dcl_functions 0 dcl_functions file = file <<< "\n" show_dcl_functions fun_index dcl_functions file | fun_index == size dcl_functions = file | otherwise # file = show_dcl_function dcl_functions.[fun_index] file = show_dcl_functions (inc fun_index) dcl_functions file show_dcl_function {ft_symb, ft_type} file = file <<< ft_symb <<< " :: " <<< ft_type <<< "\n" do_fusion fusionstyle main_dcl_module_n common_defs imported_funs dcl_types used_conses_in_dynamics type_def_infos type_heaps array_instances components fun_defs var_heap expression_heap icl_specials list_inferred_types icl_common dcl_mods icl_used_module_numbers predef_symbols error out icl_import global_fun_range icl_instances generic_range files = case fusionstyle of FS_offline # (cleanup_info, acc_args, components, fun_defs, var_heap, expression_heap) = analyseGroups common_defs array_instances main_dcl_module_n (components -*-> "Analyse") fun_defs var_heap expression_heap # (components, fun_defs, dcl_types, used_conses_in_dynamics, var_heap, type_heaps, expression_heap) = transformGroups cleanup_info main_dcl_module_n (components -*-> "Transform") fun_defs acc_args common_defs imported_funs dcl_types used_conses_in_dynamics type_def_infos var_heap type_heaps expression_heap -> (components, fun_defs, dcl_types, used_conses_in_dynamics, var_heap, type_heaps, expression_heap, predef_symbols, error, out, files) FS_online # (opened,logfile,files) = fopen "C:\\Vincent\\Sucl\\supercom.log" FWriteText files | not opened -> abort "Could not open supercompilation log file" # (fun_defs,var_heap,expression_heap,supercompile_range,predef_symbols,logfile) = supercompile dcl_mods main_dcl_module_n icl_common (fun_defs -*-> "Supercompile") var_heap expression_heap predef_symbols logfile # (closed,files) = fclose logfile files | not closed -> abort "Could not close supercompilation log file" # (components, fun_defs) = partitionateFunctions (fun_defs -*-> "Repartition functions") [global_fun_range, icl_instances, icl_specials, generic_range, supercompile_range] # heaps = {hp_var_heap=var_heap, hp_type_heaps=type_heaps, hp_expression_heap=expression_heap} # (ok, fun_defs, array_instances, type_code_instances, common_defs, imported_funs, type_def_infos, heaps, predef_symbols, error, out) = typeProgram (components -*-> "Re-typing after supercompilation") main_dcl_module_n fun_defs icl_specials list_inferred_types icl_common [a\\a<-:icl_import] dcl_mods icl_used_module_numbers type_def_infos heaps predef_symbols error out dcl_mods # components = {c\\c<-:components} | not ok -> abort "frontend: retyping after supercompilation failed" # {hp_var_heap=var_heap, hp_type_heaps=type_heaps, hp_expression_heap=expression_heap} = heaps # var_heap = heaps.hp_var_heap type_heaps = heaps.hp_type_heaps expression_heap = heaps.hp_expression_heap -> (components, fun_defs, dcl_types, used_conses_in_dynamics, var_heap, type_heaps, expression_heap, predef_symbols, error, out, files) FS_none #! _ = 0 -*-> "No fusion" -> (components, fun_defs, dcl_types, used_conses_in_dynamics, var_heap, type_heaps, expression_heap, predef_symbols, error, out, files)