diff options
Diffstat (limited to 'frontend')
| -rw-r--r-- | frontend/analunitypes.icl | 2 | ||||
| -rw-r--r-- | frontend/frontend.icl | 20 | ||||
| -rw-r--r-- | frontend/overloading.dcl | 10 | ||||
| -rw-r--r-- | frontend/overloading.icl | 903 | ||||
| -rw-r--r-- | frontend/refmark.icl | 5 | ||||
| -rw-r--r-- | frontend/syntax.dcl | 6 | ||||
| -rw-r--r-- | frontend/syntax.icl | 22 | ||||
| -rw-r--r-- | frontend/trans.dcl | 2 | ||||
| -rw-r--r-- | frontend/trans.icl | 113 |
9 files changed, 583 insertions, 500 deletions
diff --git a/frontend/analunitypes.icl b/frontend/analunitypes.icl index cdb3e5c..746fbbc 100644 --- a/frontend/analunitypes.icl +++ b/frontend/analunitypes.icl @@ -385,7 +385,7 @@ where # (pc, _, type_var_heap, td_infos) = propClassOfType at_type group_nr ci type_var_heap td_infos = prop_classes_of_type_list types tks pcs prop_class_of_type (inc type_index) group_nr ci (cumm_class bitor pc) type_var_heap td_infos = prop_classes_of_type_list types tks pcs prop_class_of_type (inc type_index) group_nr ci cumm_class type_var_heap td_infos - prop_classes_of_type_list [] [] _ _ _ _ _ cumm_class type_var_heap td_infos + prop_classes_of_type_list [] _ _ _ _ _ _ cumm_class type_var_heap td_infos = (cumm_class, type_var_heap, td_infos) propClassOfType (CV tv :@: types) group_nr ci type_var_heap td_infos diff --git a/frontend/frontend.icl b/frontend/frontend.icl index 60d2519..d779c35 100644 --- a/frontend/frontend.icl +++ b/frontend/frontend.icl @@ -1,6 +1,6 @@ implementation module frontend -import scanner, parse, postparse, check, type, trans, convertcases, overloading, convertDynamics +import scanner, parse, postparse, check, type, trans, convertcases, overloading, utilities, convertDynamics import RWSDebug :: FrontEndSyntaxTree @@ -21,7 +21,7 @@ import RWSDebug frontEndInterface :: !Ident !SearchPaths !*PredefinedSymbols !*HashTable !*Files !*File !*File !*File -> (!*PredefinedSymbols, !*HashTable, !*Files, !*File, !*File, !*File, !Optional *FrontEndSyntaxTree) frontEndInterface mod_ident search_paths predef_symbols hash_table files error io out # (ok, mod, hash_table, error, predef_symbols, files) - = wantModule cWantIclFile mod_ident (hash_table -*-> ("Parsing:", mod_ident)) error search_paths predef_symbols files + = wantModule cWantIclFile mod_ident (hash_table ---> ("Parsing:", mod_ident)) error search_paths predef_symbols files | not ok = (predef_symbols, hash_table, files, error, io, out, No) # (ok, mod, nr_of_global_funs, mod_functions, dcl_mod, predef_mod, modules, hash_table, error, predef_symbols, files) @@ -42,8 +42,9 @@ frontEndInterface mod_ident search_paths predef_symbols hash_table files error i = (predef_symbols, hash_table, files, error, io, out, No) # (components, fun_defs) = partitionateFunctions (fun_defs -*-> "partitionateFunctions") [ { ir_from = 0, ir_to = nr_of_global_funs }, icl_instances, icl_specials] -// (components, fun_defs, io) = showTypes components 0 fun_defs io -// (components, fun_defs, out) = showComponents components 0 True fun_defs out +// (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 (components, fun_defs, predef_symbols, dcl_types, used_conses_in_dynamics, var_heap, type_heaps, expression_heap) = convertDynamicPatternsIntoUnifyAppls type_code_instances common_defs (components -*-> "convertDynamics") fun_defs predef_symbols @@ -51,7 +52,7 @@ frontEndInterface mod_ident search_paths predef_symbols hash_table files error i // (components, fun_defs, error) = showComponents components 0 True fun_defs error (cleanup_info, acc_args, components, fun_defs, var_heap, expression_heap) - = analyseGroups common_defs (components -*-> "Transform") fun_defs var_heap expression_heap + = analyseGroups common_defs array_instances (components -*-> "Transform") fun_defs var_heap expression_heap (components, fun_defs, dcl_types, used_conses, var_heap, type_heaps, expression_heap) = transformGroups cleanup_info components fun_defs acc_args common_defs imported_funs dcl_types used_conses_in_dynamics var_heap type_heaps expression_heap /* @@ -116,6 +117,13 @@ 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 @@ -130,7 +138,7 @@ where show_component [fun:funs] show_types fun_defs file #! fun_def = fun_defs.[fun] | show_types - = show_component funs show_types fun_defs (file <<< '\n' <<< fun_def) + = 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) diff --git a/frontend/overloading.dcl b/frontend/overloading.dcl index ddf1835..56f2470 100644 --- a/frontend/overloading.dcl +++ b/frontend/overloading.dcl @@ -1,7 +1,7 @@ definition module overloading import StdEnv -import syntax, check +import syntax, check, typesupport :: InstanceTree = IT_Node !(Global Index) !InstanceTree !InstanceTree | IT_Empty @@ -44,9 +44,9 @@ tryToSolveOverloading :: ![(Optional [TypeContext], [ExprInfoPtr], IdentPos, Ind , tci_type_var_heap :: !.TypeVarHeap } -removeOverloadedFunctions :: ![(Optional [TypeContext], IdentPos, Index)] ![TypeContext] ![LocalTypePatternVariable] !*{#FunDef} !*ExpressionHeap +removeOverloadedFunctions :: ![Index] ![LocalTypePatternVariable] !*{#FunDef} !*{! FunctionType} !*ExpressionHeap !*TypeCodeInfo !*VarHeap !*ErrorAdmin - -> (!*{#FunDef}, !*ExpressionHeap, !*TypeCodeInfo, !*VarHeap, !*ErrorAdmin) + -> (!*{#FunDef}, !*{! FunctionType}, !*ExpressionHeap, !*TypeCodeInfo, !*VarHeap, !*ErrorAdmin) -updateDynamics :: ![Int] ![TypeContext] ![LocalTypePatternVariable] !*{#FunDef} !*ExpressionHeap !*TypeCodeInfo !*VarHeap !*ErrorAdmin - -> (!*{#FunDef}, !*ExpressionHeap, !*TypeCodeInfo, !*VarHeap, !*ErrorAdmin) +updateDynamics :: ![Index] ![LocalTypePatternVariable] !*{#FunDef} !*{! FunctionType} !*ExpressionHeap !*TypeCodeInfo !*VarHeap !*ErrorAdmin + -> (!*{#FunDef}, !*{! FunctionType}, !*ExpressionHeap, !*TypeCodeInfo, !*VarHeap, !*ErrorAdmin) diff --git a/frontend/overloading.icl b/frontend/overloading.icl index ff0b5b9..25576f4 100644 --- a/frontend/overloading.icl +++ b/frontend/overloading.icl @@ -56,11 +56,6 @@ import syntax, check, type, typesupport, utilities, unitype, predef, RWSDebug , ltpv_new_var :: !VarInfoPtr } -:: LocalTypePatternVariables = - { ltp_var_heap :: !.VarHeap - , ltp_variables :: ![LocalTypePatternVariable] - } - :: OverloadingState = { os_type_heaps :: !.TypeHeaps , os_var_heap :: !.VarHeap @@ -100,9 +95,6 @@ instanceError symbol types err format = { form_properties = cNoProperties, form_attr_position = No } = { err & ea_file = err.ea_file <<< " \"" <<< symbol <<< "\" no instance available of type " <:: (format, types) <<< '\n' } -contextError {tc_class={glob_object={ds_ident}}} err - # err = errorHeading "Overloading error" err - = { err & ea_file = err.ea_file <<< " unresolved class \"" <<< ds_ident <<< "\" not occurring in specified type\n"} uniqueError symbol types err # err = errorHeading "Overloading/Uniqueness error" err @@ -115,13 +107,9 @@ unboxError type err format = { form_properties = cNoProperties, form_attr_position = No } = { err & ea_file = err.ea_file <<< ' ' <:: (format, type) <<< " instance cannot be unboxed\n"} -get :: !a !(Env a b) -> b | == a -get elem_id [] - = abort "illegal access" -get elem_id [b : bs] - | elem_id == b.bind_src - = b.bind_dst - = get elem_id bs +overloadingError op_symb err + # err = errorHeading "Overloading error" err + = { err & ea_file = err.ea_file <<< " internal overloading of \"" <<< op_symb <<< "\" could not be solved\n" } /* As soon as all overloaded variables in an type context are instantiated, context reduction is carried out. @@ -129,114 +117,122 @@ get elem_id [b : bs] ClassApplications. */ -simpleSubstitution type type_heaps - = substitute type type_heaps +containsContext :: !TypeContext ![TypeContext] -> Bool +containsContext new_tc [] + = False +containsContext new_tc [tc : tcs] + = new_tc == tc || containsContext new_tc tcs + FoundObject object :== object.glob_module <> NotFound ObjectNotFound :== { glob_module = NotFound, glob_object = NotFound } - -reduceContexts :: ![TypeContext] !{# CommonDefs} !ClassInstanceInfo !*SpecialInstances !*LocalTypePatternVariables - !*TypeHeaps !*Coercions !*PredefinedSymbols !*ErrorAdmin - -> *(![ClassApplication], !*SpecialInstances, !*LocalTypePatternVariables, !*TypeHeaps, !*Coercions, !*PredefinedSymbols, !*ErrorAdmin) -reduceContexts [] defs instance_info special_instances type_pattern_vars type_heaps coercion_env predef_symbols error - = ([], special_instances, type_pattern_vars, type_heaps, coercion_env, predef_symbols, error) -reduceContexts [tc : tcs] defs instance_info special_instances type_pattern_vars type_heaps coercion_env predef_symbols error - # (appl, special_instances, type_pattern_vars, type_heaps, coercion_env, predef_symbols, error) - = try_to_reduce_context tc defs instance_info special_instances type_pattern_vars type_heaps coercion_env predef_symbols error - (appls, special_instances, type_pattern_vars, type_heaps, coercion_env, predef_symbols, error) - = reduceContexts tcs defs instance_info special_instances type_pattern_vars type_heaps coercion_env predef_symbols error - = ([appl : appls], special_instances, type_pattern_vars, type_heaps, coercion_env, predef_symbols, error) +reduceContexts :: ![TypeContext] !{# CommonDefs} !ClassInstanceInfo ![TypeContext] !*SpecialInstances ![LocalTypePatternVariable] + !(!*VarHeap, !*TypeHeaps) !*Coercions !*PredefinedSymbols !*ErrorAdmin + -> *(![ClassApplication], ![TypeContext], !*SpecialInstances, ![LocalTypePatternVariable], + !(!*VarHeap, !*TypeHeaps), !*Coercions, !*PredefinedSymbols, !*ErrorAdmin) +reduceContexts [] defs instance_info new_contexts special_instances type_pattern_vars heaps coercion_env predef_symbols error + = ([], new_contexts, special_instances, type_pattern_vars, heaps, coercion_env, predef_symbols, error) +reduceContexts [tc : tcs] defs instance_info new_contexts special_instances type_pattern_vars heaps coercion_env predef_symbols error + # (appl, new_contexts, special_instances, type_pattern_vars, heaps, coercion_env, predef_symbols, error) + = try_to_reduce_context tc defs instance_info new_contexts special_instances type_pattern_vars heaps coercion_env predef_symbols error + (appls, new_contexts, special_instances, type_pattern_vars, heaps, coercion_env, predef_symbols, error) + = reduceContexts tcs defs instance_info new_contexts special_instances type_pattern_vars heaps coercion_env predef_symbols error + = ([appl : appls], new_contexts, special_instances, type_pattern_vars, heaps, coercion_env, predef_symbols, error) where - try_to_reduce_context :: !TypeContext !{# CommonDefs} !ClassInstanceInfo !*SpecialInstances !*LocalTypePatternVariables - !*TypeHeaps !*Coercions !*PredefinedSymbols !*ErrorAdmin - -> *(!ClassApplication, !*SpecialInstances, !*LocalTypePatternVariables, !*TypeHeaps, !*Coercions, !*PredefinedSymbols, !*ErrorAdmin) - try_to_reduce_context tc=:{tc_class=class_symb=:{glob_object={ds_index},glob_module},tc_types} defs instance_info - special_instances type_pattern_vars type_heaps coercion_env predef_symbols error + try_to_reduce_context :: !TypeContext !{# CommonDefs} !ClassInstanceInfo ![TypeContext] !*SpecialInstances ![LocalTypePatternVariable] + !(!*VarHeap, !*TypeHeaps) !*Coercions !*PredefinedSymbols !*ErrorAdmin + -> *(!ClassApplication, ![TypeContext], !*SpecialInstances, ![LocalTypePatternVariable], !(!*VarHeap, !*TypeHeaps), !*Coercions, !*PredefinedSymbols, !*ErrorAdmin) + try_to_reduce_context tc=:{tc_class=class_symb=:{glob_object={ds_index},glob_module},tc_types} defs instance_info new_contexts + special_instances type_pattern_vars (var_heap, type_heaps) coercion_env predef_symbols error | is_reducible tc_types | is_predefined_symbol glob_module ds_index PD_TypeCodeClass predef_symbols - # (red_context, (special_instances, type_pattern_vars)) = reduce_TC_context class_symb (hd tc_types) special_instances type_pattern_vars - = (red_context, special_instances, type_pattern_vars, type_heaps, coercion_env, predef_symbols, error) - # (class_appls, special_instances, type_pattern_vars, type_heaps, coercion_env, predef_symbols, error) - = reduceContext tc defs instance_info special_instances type_pattern_vars - type_heaps coercion_env predef_symbols error - = (CA_Instance class_appls, special_instances, type_pattern_vars, type_heaps, coercion_env, predef_symbols, error) - = (CA_Context tc, special_instances, type_pattern_vars, type_heaps, coercion_env, predef_symbols, error) - -/* reduceContext :: !ClassDef !InstanceTree ![Type] !{# CommonDefs} !ClassInstanceInfo !*SpecialInstances !*LocalTypePatternVariables + # (red_context, (special_instances, type_pattern_vars, var_heap)) + = reduce_TC_context class_symb (hd tc_types) special_instances type_pattern_vars var_heap + = (red_context, new_contexts, special_instances, type_pattern_vars, (var_heap, type_heaps), coercion_env, predef_symbols, error) + # (class_appls, new_contexts, special_instances, type_pattern_vars, heaps, coercion_env, predef_symbols, error) + = reduce_context tc defs instance_info new_contexts special_instances type_pattern_vars + (var_heap, type_heaps) coercion_env predef_symbols error + = (CA_Instance class_appls, new_contexts, special_instances, type_pattern_vars, heaps, coercion_env, predef_symbols, error) + | containsContext tc new_contexts + = (CA_Context tc, new_contexts, special_instances, type_pattern_vars, (var_heap, type_heaps), coercion_env, predef_symbols, error) + # (tc_var, var_heap) = newPtr VI_Empty var_heap + = (CA_Context tc, [{ tc & tc_var = tc_var } : new_contexts], special_instances, + type_pattern_vars, (var_heap, type_heaps), coercion_env, predef_symbols, error) + +/* reduceContext :: !ClassDef !InstanceTree ![Type] !{# CommonDefs} !ClassInstanceInfo !*SpecialInstances ![LocalTypePatternVariable] !*TypeHeaps !*Coercions !*PredefinedSymbols !*ErrorAdmin - -> *(![ReducedContext], !*SpecialInstances, !*LocalTypePatternVariables, !*TypeHeaps, !*Coercions, !*PredefinedSymbols, !*ErrorAdmin) + -> *(![ReducedContext], !*SpecialInstances, ![LocalTypePatternVariable], !*TypeHeaps, !*Coercions, !*PredefinedSymbols, !*ErrorAdmin) */ - reduceContext {tc_class=class_symb=:{glob_object={ds_index},glob_module},tc_types} defs - instance_info special_instances type_pattern_vars type_heaps coercion_env predef_symbols error + + reduce_context {tc_class=class_symb=:{glob_object={ds_index},glob_module},tc_types} defs + instance_info new_contexts special_instances type_pattern_vars heaps coercion_env predef_symbols error # {class_members,class_context,class_args,class_name} = defs.[glob_module].com_class_defs.[ds_index] | size class_members > 0 # class_instances = instance_info.[glob_module].[ds_index] - # ({glob_module,glob_object}, contexts, uni_ok, type_heaps, coercion_env) = find_instance tc_types class_instances defs type_heaps coercion_env + # ({glob_module,glob_object}, contexts, uni_ok, (var_heap, type_heaps), coercion_env) = find_instance tc_types class_instances defs heaps coercion_env | (glob_module <> NotFound) && uni_ok # {ins_members, ins_class} = defs.[glob_module].com_instance_defs.[glob_object] | is_predefined_symbol ins_class.glob_module ins_class.glob_object.ds_index PD_ArrayClass predef_symbols && is_unboxed_array tc_types predef_symbols # (rcs_class_context, special_instances, (predef_symbols, type_heaps), error) = check_unboxed_type glob_module ins_class ins_members tc_types class_members defs special_instances (predef_symbols, type_heaps) error - = ({ rcs_class_context = rcs_class_context, rcs_constraints_contexts = []}, - special_instances, type_pattern_vars, type_heaps, coercion_env, predef_symbols, error) - # (appls, special_instances, type_pattern_vars, type_heaps, coercion_env, predef_symbols, error) - = reduceContexts contexts defs instance_info special_instances type_pattern_vars type_heaps coercion_env predef_symbols error - (constraints, special_instances, type_pattern_vars, type_heaps, coercion_env, predef_symbols, error) - = reduceContextsInConstraints tc_types class_args class_context defs instance_info special_instances type_pattern_vars - type_heaps coercion_env predef_symbols error - + = ({ rcs_class_context = rcs_class_context, rcs_constraints_contexts = []}, new_contexts, + special_instances, type_pattern_vars, (var_heap, type_heaps), coercion_env, predef_symbols, error) + # (appls, new_contexts, special_instances, type_pattern_vars, heaps, coercion_env, predef_symbols, error) + = reduceContexts contexts defs instance_info new_contexts special_instances type_pattern_vars (var_heap, type_heaps) coercion_env predef_symbols error + (constraints, new_contexts, special_instances, type_pattern_vars, heaps, coercion_env, predef_symbols, error) + = reduce_contexts_in_constraints tc_types class_args class_context defs instance_info new_contexts special_instances type_pattern_vars + heaps coercion_env predef_symbols error = ({ rcs_class_context = { rc_class = ins_class, rc_inst_module = glob_module, rc_inst_members = ins_members, - rc_types = tc_types, rc_red_contexts = appls }, rcs_constraints_contexts = constraints }, - special_instances, type_pattern_vars, type_heaps, coercion_env, predef_symbols, error) + rc_types = tc_types, rc_red_contexts = appls }, rcs_constraints_contexts = constraints }, new_contexts, + special_instances, type_pattern_vars, heaps, coercion_env, predef_symbols, error) # rcs_class_context = { rc_class = class_symb, rc_inst_module = NoIndex, rc_inst_members = {}, rc_types = tc_types, rc_red_contexts = [] } | glob_module <> NotFound - = ({ rcs_class_context = rcs_class_context, rcs_constraints_contexts = []}, - special_instances, type_pattern_vars, type_heaps, coercion_env, predef_symbols, uniqueError class_name tc_types error) - = ({ rcs_class_context = rcs_class_context, rcs_constraints_contexts = []}, - special_instances, type_pattern_vars, type_heaps, coercion_env, predef_symbols, instanceError class_name tc_types error) - # (constraints, special_instances, type_pattern_vars, type_heaps, coercion_env, predef_symbols, error) - = reduceContextsInConstraints tc_types class_args class_context defs instance_info special_instances type_pattern_vars - type_heaps coercion_env predef_symbols error + = ({ rcs_class_context = rcs_class_context, rcs_constraints_contexts = []}, new_contexts, + special_instances, type_pattern_vars, (var_heap, type_heaps), coercion_env, predef_symbols, uniqueError class_name tc_types error) + = ({ rcs_class_context = rcs_class_context, rcs_constraints_contexts = []}, new_contexts, + special_instances, type_pattern_vars, (var_heap, type_heaps), coercion_env, predef_symbols, instanceError class_name tc_types error) + # (constraints, new_contexts, special_instances, type_pattern_vars, heaps, coercion_env, predef_symbols, error) + = reduce_contexts_in_constraints tc_types class_args class_context defs instance_info new_contexts special_instances type_pattern_vars + heaps coercion_env predef_symbols error = ({ rcs_class_context = { rc_class = class_symb, rc_inst_module = NoIndex, rc_inst_members = {}, rc_types = tc_types, rc_red_contexts = [] }, - rcs_constraints_contexts = constraints }, special_instances, type_pattern_vars, type_heaps, coercion_env, predef_symbols, error) + rcs_constraints_contexts = constraints }, new_contexts, special_instances, type_pattern_vars, heaps, coercion_env, predef_symbols, error) - reduceContextsInConstraints types class_args [] defs instance_info special_instances type_pattern_vars type_heaps coercion_env predef_symbols error - = ([], special_instances, type_pattern_vars, type_heaps, coercion_env, predef_symbols, error) - reduceContextsInConstraints types class_args class_context defs instance_info special_instances type_pattern_vars - type_heaps=:{th_vars} coercion_env predef_symbols error + reduce_contexts_in_constraints types class_args [] defs instance_info new_contexts special_instances type_pattern_vars heaps coercion_env predef_symbols error + = ([], new_contexts, special_instances, type_pattern_vars, heaps, coercion_env, predef_symbols, error) + reduce_contexts_in_constraints types class_args class_context defs instance_info new_contexts special_instances type_pattern_vars + (var_heap, type_heaps=:{th_vars}) coercion_env predef_symbols error # th_vars = fold2St (\ type {tv_info_ptr} -> writePtr tv_info_ptr (TVI_Type type)) types class_args th_vars - (instantiated_context, type_heaps) = substitute class_context { type_heaps & th_vars = th_vars } - # (cappls, (special_instances, type_pattern_vars, type_var_heap, coercion_env, predef_symbols, error)) + (instantiated_context, heaps) = fresh_contexts class_context (var_heap, { type_heaps & th_vars = th_vars }) + # (cappls, (new_contexts, special_instances, type_pattern_vars, heaps, coercion_env, predef_symbols, error)) = mapSt (reduce_context_in_constraint defs instance_info) instantiated_context - (special_instances, type_pattern_vars, type_heaps, coercion_env, predef_symbols, error) - = (cappls, special_instances, type_pattern_vars, type_var_heap, coercion_env, predef_symbols, error) + (new_contexts, special_instances, type_pattern_vars, heaps, coercion_env, predef_symbols, error) + = (cappls, new_contexts, special_instances, type_pattern_vars, heaps, coercion_env, predef_symbols, error) where - reduce_context_in_constraint defs instance_info tc (special_instances, type_pattern_vars, type_heaps, coercion_env, predef_symbols, error) - # (cappls, special_instances, type_pattern_vars, type_var_heap, coercion_env, predef_symbols, error) - = reduceContext tc defs instance_info special_instances - type_pattern_vars type_heaps coercion_env predef_symbols error - = (cappls, (special_instances, type_pattern_vars, type_var_heap, coercion_env, predef_symbols, error)) - - find_instance co_types (IT_Node this_inst_index=:{glob_object,glob_module} left right) defs type_heaps coercion_env - # (left_index, types, uni_ok, type_heaps, coercion_env) = find_instance co_types left defs type_heaps coercion_env + reduce_context_in_constraint defs instance_info tc (new_contexts, special_instances, type_pattern_vars, heaps, coercion_env, predef_symbols, error) + # (cappls, new_contexts, special_instances, type_pattern_vars, heaps, coercion_env, predef_symbols, error) + = reduce_context tc defs instance_info new_contexts special_instances type_pattern_vars heaps coercion_env predef_symbols error + = (cappls, (new_contexts, special_instances, type_pattern_vars, heaps, coercion_env, predef_symbols, error)) + + find_instance co_types (IT_Node this_inst_index=:{glob_object,glob_module} left right) defs heaps coercion_env + # (left_index, types, uni_ok, (var_heap, type_heaps), coercion_env) = find_instance co_types left defs heaps coercion_env | FoundObject left_index - = (left_index, types, uni_ok, type_heaps, coercion_env) + = (left_index, types, uni_ok, (var_heap, type_heaps), coercion_env) # {ins_type={it_types,it_context}, ins_specials} = defs.[glob_module].com_instance_defs.[glob_object] (matched, type_heaps) = match defs it_types co_types type_heaps | matched - # (subst_context, type_heaps) = simpleSubstitution it_context type_heaps + # (subst_context, (var_heap, type_heaps)) = fresh_contexts it_context (var_heap, type_heaps) (uni_ok, coercion_env, type_heaps) = adjust_type_attributes defs co_types it_types coercion_env type_heaps (spec_inst, type_heaps) = trySpecializedInstances subst_context (get_specials ins_specials) type_heaps | FoundObject spec_inst - = (spec_inst, [], uni_ok, type_heaps, coercion_env) - = (this_inst_index, subst_context, uni_ok, type_heaps, coercion_env) - = find_instance co_types right defs type_heaps coercion_env - find_instance co_types IT_Empty defs type_heaps coercion_env - = (ObjectNotFound, [], True, type_heaps, coercion_env) + = (spec_inst, [], uni_ok, (var_heap, type_heaps), coercion_env) + = (this_inst_index, subst_context, uni_ok, (var_heap, type_heaps), coercion_env) + = find_instance co_types right defs (var_heap, type_heaps) coercion_env + find_instance co_types IT_Empty defs heaps coercion_env + = (ObjectNotFound, [], True, heaps, coercion_env) get_specials (SP_ContextTypes specials) = specials get_specials SP_None = [] @@ -284,6 +280,15 @@ where is_reducible [ _ : types] = is_reducible types + fresh_contexts contexts heaps + = mapSt fresh_context contexts heaps + where + fresh_context tc=:{tc_types} (var_heap, type_heaps) + # (tc_types, type_heaps) = substitute tc_types type_heaps +// (tc_var, var_heap) = newPtr VI_Empty var_heap +// = ({ tc & tc_types = tc_types, tc_var = tc_var }, (var_heap, type_heaps)) + = ({ tc & tc_types = tc_types }, (var_heap, type_heaps)) + is_predefined_symbol mod_index symb_index predef_index predef_symbols # {pds_def,pds_module,pds_ident} = predef_symbols.[predef_index] = (mod_index == pds_module && symb_index == pds_def) @@ -330,9 +335,33 @@ where add_record_to_array_instances :: !TypeSymbIdent !{# DefinedSymbol} !*SpecialInstances -> (!{#DefinedSymbol},!*SpecialInstances) add_record_to_array_instances record members special_instances=:{si_next_array_member_index,si_array_instances} + # may_be_there = look_up_array_instance record si_array_instances + = case may_be_there of + Yes inst + -> (inst.ai_members, special_instances) + No + # inst = new_array_instance record members si_next_array_member_index + -> (inst.ai_members, { special_instances & si_next_array_member_index = si_next_array_member_index + size members, + si_array_instances = [ inst : si_array_instances ] }) + where + look_up_array_instance :: !TypeSymbIdent ![ArrayInstance] -> Optional ArrayInstance + look_up_array_instance record [] + = No + look_up_array_instance record [inst : insts] + | record == inst.ai_record + = Yes inst + = look_up_array_instance record insts + + new_array_instance :: !TypeSymbIdent !{# DefinedSymbol} !Index -> ArrayInstance + new_array_instance record members next_member_index + = { ai_members = { { class_member & ds_index = next_inst_index } \\ class_member <-: members & next_inst_index <- [next_member_index .. ]}, + ai_record = record } + + +/* # (inst_members, si_array_instances, si_next_array_member_index) = add_array_instance record members si_next_array_member_index si_array_instances = (inst_members, { special_instances & si_array_instances = si_array_instances, si_next_array_member_index = si_next_array_member_index }) - where + add_array_instance :: !TypeSymbIdent !{# DefinedSymbol} !Index !u:[ArrayInstance] -> (!{#DefinedSymbol}, !u:[ArrayInstance], !Index) add_array_instance record members next_member_index instances=:[inst : insts] @@ -349,55 +378,55 @@ where # ai_members = { { class_member & ds_index = next_inst_index } \\ class_member <-: members & next_inst_index <- [next_member_index .. ]} = (ai_members, [{ ai_members = ai_members, ai_record = record }], next_member_index + size members) - - - reduce_TC_context type_code_class tc_type special_instances type_pattern_vars - = reduce_tc_context type_code_class tc_type (special_instances, type_pattern_vars) +*/ + reduce_TC_context type_code_class tc_type special_instances type_pattern_vars var_heap + = reduce_tc_context type_code_class tc_type (special_instances, type_pattern_vars, var_heap) where - reduce_tc_context type_code_class (TA cons_id cons_args) (special_instances=:{si_next_TC_member_index, si_TC_instances}, type_pattern_vars) + reduce_tc_context type_code_class (TA cons_id cons_args) (special_instances=:{si_next_TC_member_index, si_TC_instances}, type_pattern_vars, var_heap) # (inst_index, (si_next_TC_member_index, si_TC_instances)) = addGlobalTCInstance (GTT_Constructor cons_id) (si_next_TC_member_index, si_TC_instances) (rc_red_contexts, instances) = reduce_TC_contexts type_code_class cons_args - ({ special_instances & si_next_TC_member_index = si_next_TC_member_index, si_TC_instances = si_TC_instances }, type_pattern_vars) + ({ special_instances & si_next_TC_member_index = si_next_TC_member_index, si_TC_instances = si_TC_instances }, type_pattern_vars, var_heap) = (CA_GlobalTypeCode { tci_index = inst_index, tci_contexts = rc_red_contexts }, instances) - reduce_tc_context type_code_class (TB basic_type) (special_instances=:{si_next_TC_member_index, si_TC_instances}, type_pattern_vars) + reduce_tc_context type_code_class (TB basic_type) (special_instances=:{si_next_TC_member_index, si_TC_instances}, type_pattern_vars, var_heap) # (inst_index, (si_next_TC_member_index, si_TC_instances)) = addGlobalTCInstance (GTT_Basic basic_type) (si_next_TC_member_index, si_TC_instances) = (CA_GlobalTypeCode { tci_index = inst_index, tci_contexts = [] }, - ({ special_instances & si_next_TC_member_index = si_next_TC_member_index, si_TC_instances = si_TC_instances }, type_pattern_vars)) + ({ special_instances & si_next_TC_member_index = si_next_TC_member_index, si_TC_instances = si_TC_instances }, type_pattern_vars, var_heap)) - reduce_tc_context type_code_class (arg_type --> result_type) (special_instances=:{si_next_TC_member_index, si_TC_instances}, type_pattern_vars) + reduce_tc_context type_code_class (arg_type --> result_type) (special_instances=:{si_next_TC_member_index, si_TC_instances}, type_pattern_vars, var_heap) # (inst_index, (si_next_TC_member_index, si_TC_instances)) = addGlobalTCInstance GTT_Function (si_next_TC_member_index, si_TC_instances) (rc_red_contexts, instances) = reduce_TC_contexts type_code_class [arg_type, result_type] - ({ special_instances & si_next_TC_member_index = si_next_TC_member_index, si_TC_instances = si_TC_instances }, type_pattern_vars) + ({ special_instances & si_next_TC_member_index = si_next_TC_member_index, si_TC_instances = si_TC_instances }, type_pattern_vars, var_heap) = (CA_GlobalTypeCode { tci_index = inst_index, tci_contexts = rc_red_contexts }, instances) - reduce_tc_context type_code_class (TempQV var_number) (special_instances, type_pattern_vars) - # (inst_var, type_pattern_vars) = addLocalTCInstance var_number type_pattern_vars - = (CA_LocalTypeCode inst_var, (special_instances, type_pattern_vars)) + reduce_tc_context type_code_class (TempQV var_number) (special_instances, type_pattern_vars, var_heap) + # (inst_var, (type_pattern_vars, var_heap)) = addLocalTCInstance var_number (type_pattern_vars, var_heap) + = (CA_LocalTypeCode inst_var, (special_instances, type_pattern_vars, var_heap)) - reduce_tc_context type_code_class (TempV var_number) instances - = (CA_Context { tc_class = type_code_class, tc_types = [TempV var_number], tc_var = nilPtr }, instances) + reduce_tc_context type_code_class (TempV var_number) (special_instances, type_pattern_vars, var_heap) +// # (tc_var, var_heap) = newPtr VI_Empty var_heap + = (CA_Context { tc_class = type_code_class, tc_types = [TempV var_number], tc_var = nilPtr }, (special_instances, type_pattern_vars, var_heap)) reduce_TC_contexts type_code_class cons_args instances = mapSt (\{at_type} -> reduce_tc_context type_code_class at_type) cons_args instances -addLocalTCInstance var_number ltp=:{ltp_variables=instances=:[inst : insts], ltp_var_heap} +addLocalTCInstance var_number (instances=:[inst : insts], ltp_var_heap) # cmp = var_number =< inst.ltpv_var | cmp == Equal - = (inst.ltpv_new_var, ltp) + = (inst.ltpv_new_var, (instances, ltp_var_heap)) | cmp == Smaller # (ltpv_new_var, ltp_var_heap) = newPtr VI_Empty ltp_var_heap - = (ltpv_new_var, { ltp_variables = [{ ltpv_new_var = ltpv_new_var, ltpv_var = var_number } : instances ], ltp_var_heap = ltp_var_heap }) - # (found_var, ltp) = addLocalTCInstance var_number { ltp & ltp_variables = insts } - = (found_var, { ltp & ltp_variables = [inst :ltp.ltp_variables ] }) -addLocalTCInstance var_number {ltp_variables = [], ltp_var_heap} + = (ltpv_new_var, ( [{ ltpv_new_var = ltpv_new_var, ltpv_var = var_number } : instances ], ltp_var_heap )) + # (found_var, (insts, ltp_var_heap)) = addLocalTCInstance var_number (insts, ltp_var_heap) + = (found_var, ([inst : insts ], ltp_var_heap)) +addLocalTCInstance var_number ([], ltp_var_heap) # (ltpv_new_var, ltp_var_heap) = newPtr VI_Empty ltp_var_heap - = (ltpv_new_var, { ltp_variables = [{ ltpv_new_var = ltpv_new_var, ltpv_var = var_number }], ltp_var_heap = ltp_var_heap }) + = (ltpv_new_var, ([{ ltpv_new_var = ltpv_new_var, ltpv_var = var_number }], ltp_var_heap)) addGlobalTCInstance type_of_TC (next_member_index, instances=:[inst : insts]) # cmp = type_of_TC =< inst.gtci_type @@ -528,60 +557,74 @@ where tryToSolveOverloading :: ![(Optional [TypeContext], [ExprInfoPtr], IdentPos, Index)] !{# CommonDefs } !ClassInstanceInfo !*Coercions !*OverloadingState -> (![TypeContext], !*Coercions, ![LocalTypePatternVariable], !*OverloadingState) tryToSolveOverloading ocs defs instance_info coercion_env os - = foldSt (try_to_solve_overloading defs instance_info) ocs ([], coercion_env, [], os) + # (reduced_contexts, contexts, coercion_env, type_pattern_vars, os) = foldSt (reduce_contexts defs instance_info) ocs + ([], [], coercion_env, [], os) + (contexts, os_var_heap) = foldSt add_spec_contexts ocs (contexts, os.os_var_heap) + (contexts, os_type_heaps) = remove_sub_classes contexts os.os_type_heaps + (os_type_heaps, os_symbol_heap) = foldSt (convert_dictionaries defs contexts) reduced_contexts (os_type_heaps, os.os_symbol_heap) + = (contexts, coercion_env, type_pattern_vars, { os & os_type_heaps = os_type_heaps, os_symbol_heap = os_symbol_heap, os_var_heap = os_var_heap }) + where + reduce_contexts defs instance_info (opt_spec_contexts, expr_ptrs, pos, index) rc_state + = foldSt (reduce_contexts_of_application defs instance_info) expr_ptrs rc_state - try_to_solve_overloading defs instance_info (fun_context, call_ptrs, location, _) (contexts, coercion_env, type_pattern_vars, os=:{os_error}) - | isEmpty call_ptrs - = (contexts, coercion_env, type_pattern_vars, os) - # os = { os & os_error = setErrorAdmin location os_error } -// ---> ("try_to_solve_overloading", call_ptrs) - = case fun_context of - Yes specified_context - # (_, coercion_env, type_pattern_vars, os) - = reduce_and_simplify_contexts call_ptrs defs instance_info True specified_context coercion_env type_pattern_vars os - -> (contexts, coercion_env, type_pattern_vars, os) -// ---> ("try_to_solve_overloading (Yes ...)", location, specified_context) - No - -> reduce_and_simplify_contexts call_ptrs defs instance_info False contexts coercion_env type_pattern_vars os -// ---> ("try_to_solve_overloading (No)", location, contexts) - - reduce_and_simplify_contexts :: ![ExprInfoPtr] !{# CommonDefs } !ClassInstanceInfo !Bool ![TypeContext] !*Coercions ![LocalTypePatternVariable] - !*OverloadingState -> (![TypeContext], !*Coercions, ![LocalTypePatternVariable], !*OverloadingState) - reduce_and_simplify_contexts [over_info_ptr : ocs] defs instance_info has_context contexts coercion_env type_pattern_vars os=:{os_symbol_heap, os_type_heaps} - # (expr_info, os_symbol_heap) = readPtr over_info_ptr os_symbol_heap - {oc_symbol, oc_context, oc_specials} = case expr_info of - EI_Overloaded over_info -> over_info - _ -> abort ("reduce_and_simplify_contexts" <<- expr_info) + add_spec_contexts (Yes spec_context, expr_ptrs, pos, index) contexts_and_var_heap + = foldSt add_spec_context spec_context contexts_and_var_heap + where + add_spec_context tc (contexts, var_heap) + | containsContext tc contexts + = (contexts, var_heap) + # (tc_var, var_heap) = newPtr VI_Empty var_heap + = ([{ tc & tc_var = tc_var } : contexts], var_heap) + add_spec_contexts (No, expr_ptrs, pos, index) contexts_and_var_heap + = contexts_and_var_heap + + reduce_contexts_of_application :: !{# CommonDefs } !ClassInstanceInfo !ExprInfoPtr + ([(SymbIdent, ExprInfoPtr,[ClassApplication])], ![TypeContext], !*Coercions, ![LocalTypePatternVariable], !*OverloadingState) + -> ([(SymbIdent, ExprInfoPtr,[ClassApplication])], ![TypeContext], !*Coercions, ![LocalTypePatternVariable], !*OverloadingState) + reduce_contexts_of_application defs instance_info over_info_ptr (reduced_calls, new_contexts, coercion_env, type_pattern_vars, + os=:{os_symbol_heap,os_type_heaps,os_var_heap,os_special_instances,os_error,os_predef_symbols}) + # (EI_Overloaded {oc_symbol, oc_context, oc_specials}, os_symbol_heap) = readPtr over_info_ptr os_symbol_heap (glob_fun, os_type_heaps) = trySpecializedInstances oc_context oc_specials os_type_heaps | FoundObject glob_fun # os_symbol_heap = os_symbol_heap <:= (over_info_ptr, EI_Instance {glob_module = glob_fun.glob_module, glob_object = { ds_ident = oc_symbol.symb_name, ds_arity = 0, ds_index = glob_fun.glob_object }} []) - = reduce_and_simplify_contexts ocs defs instance_info has_context contexts coercion_env type_pattern_vars - { os & os_type_heaps = os_type_heaps, os_symbol_heap = os_symbol_heap } - # (appls, os_special_instances, {ltp_var_heap, ltp_variables}, os_type_heaps, coercion_env, os_predef_symbols, os_error) - = reduceContexts oc_context defs instance_info os.os_special_instances {ltp_var_heap = os.os_var_heap, ltp_variables = type_pattern_vars} - os_type_heaps coercion_env os.os_predef_symbols os.os_error - | os_error.ea_ok - # (contexts, os_type_heaps, os_var_heap, os_symbol_heap, os_error) - = simplifyOverloadedCall oc_symbol over_info_ptr appls defs has_context contexts os_type_heaps ltp_var_heap os_symbol_heap os_error - = reduce_and_simplify_contexts ocs defs instance_info has_context contexts coercion_env ltp_variables { os & - os_type_heaps = os_type_heaps, os_var_heap = os_var_heap, os_symbol_heap = os_symbol_heap, - os_predef_symbols = os_predef_symbols, os_special_instances = os_special_instances, os_error = os_error } - - = reduce_and_simplify_contexts ocs defs instance_info has_context contexts coercion_env ltp_variables - { os & os_type_heaps = os_type_heaps, os_predef_symbols = os_predef_symbols, os_symbol_heap = os_symbol_heap, - os_special_instances = os_special_instances, os_error = os_error, os_var_heap = ltp_var_heap} - reduce_and_simplify_contexts [] defs instance_info has_context contexts coercion_env type_pattern_vars os - = (contexts, coercion_env, type_pattern_vars, os) - -/* -RecordName = { id_name = "_Record", id_info = nilPtr } - -InternalSelectSymbol = { symb_name = {id_name = "_Select", id_info = nilPtr }, - symb_kind = SK_InternalFunction (-1), symb_arity = 2 } -*/ - + = (reduced_calls, new_contexts, coercion_env, type_pattern_vars, { os & os_type_heaps = os_type_heaps, os_symbol_heap = os_symbol_heap }) + | otherwise + # (class_applications, new_contexts, os_special_instances, type_pattern_vars, + (os_var_heap, os_type_heaps), coercion_env, os_predef_symbols, os_error) + = reduceContexts oc_context defs instance_info new_contexts os_special_instances type_pattern_vars + (os_var_heap, os_type_heaps) coercion_env os_predef_symbols os_error + = ([ (oc_symbol, over_info_ptr, class_applications) : reduced_calls ], new_contexts, coercion_env, type_pattern_vars, + { os & os_type_heaps = os_type_heaps, os_symbol_heap = os_symbol_heap, os_var_heap = os_var_heap, + os_special_instances = os_special_instances, os_error = os_error, os_predef_symbols = os_predef_symbols }) + + remove_sub_classes contexts type_heaps + # (sub_classes, type_heaps) = foldSt generate_subclasses contexts ([], type_heaps) + = (foldSt (remove_doubles sub_classes) contexts [], type_heaps) + + generate_subclasses {tc_class={glob_object={ds_index},glob_module},tc_types} (sub_classes, type_heaps) + # {class_args,class_members,class_context,class_dictionary} = defs.[glob_module].com_class_defs.[ds_index] + th_vars = fold2St set_type class_args tc_types type_heaps.th_vars + = foldSt subst_context class_context (sub_classes, { type_heaps & th_vars = th_vars }) + where + set_type {tv_info_ptr} type type_var_heap + = type_var_heap <:= (tv_info_ptr, TVI_Type type) + + subst_context class_context (sub_classes, type_heaps) + # (sub_class, type_heaps) = substitute class_context type_heaps + = ([sub_class : sub_classes], type_heaps) + + remove_doubles sub_classes tc context + | containsContext tc sub_classes + = context + = [tc : context] + + convert_dictionaries :: !{# CommonDefs } ![TypeContext] !(!SymbIdent,!ExprInfoPtr,![ClassApplication]) !(!*TypeHeaps, !*ExpressionHeap) + -> !(!*TypeHeaps, !*ExpressionHeap) + convert_dictionaries defs contexts (oc_symbol, over_info_ptr, class_applications) heaps + = convertOverloadedCall defs contexts oc_symbol over_info_ptr class_applications heaps + selectFromDictionary dict_mod dict_index member_index defs # (RecordType {rt_fields}) = defs.[dict_mod].com_type_defs.[dict_index].td_rhs { fs_name, fs_index } = rt_fields.[member_index] @@ -590,40 +633,33 @@ selectFromDictionary dict_mod dict_index member_index defs getDictionaryConstructor {glob_module, glob_object = {ds_ident,ds_index}} defs # {class_dictionary} = defs.[glob_module].com_class_defs.[ds_index] (RecordType {rt_constructor}) = defs.[glob_module].com_type_defs.[class_dictionary.ds_index].td_rhs - = rt_constructor + = rt_constructor - -simplifyOverloadedCall {symb_kind = SK_OverloadedFunction {glob_module,glob_object}, symb_arity} expr_info_ptr [class_appl:class_appls] - defs has_context contexts type_heaps var_heap symbol_heap error +convertOverloadedCall :: !{#CommonDefs} ![TypeContext] !SymbIdent !ExprInfoPtr ![ClassApplication] !(!*TypeHeaps, !*ExpressionHeap) + -> (!*TypeHeaps, !*ExpressionHeap) +convertOverloadedCall defs contexts {symb_name,symb_kind = SK_OverloadedFunction {glob_module,glob_object}, symb_arity} expr_ptr [class_appl:class_appls] heaps # mem_def = defs.[glob_module].com_member_defs.[glob_object] - # (class_exprs, (contexts, heaps, error)) = convertClassApplsToExpressions defs has_context class_appls (contexts, (type_heaps, var_heap, symbol_heap), error) - (inst_expr, contexts, (type_heaps, var_heap, symbol_heap), error) - = adjust_member_application mem_def symb_arity class_appl class_exprs defs has_context contexts heaps error - = (contexts, type_heaps, var_heap, symbol_heap <:= (expr_info_ptr, inst_expr), error) -// ---> ("simplifyOverloadedCall", expr_info_ptr, inst_expr) - + (class_exprs, heaps) = convertClassApplsToExpressions defs contexts class_appls heaps + (inst_expr, (type_heaps, expr_heap)) = adjust_member_application defs contexts mem_def symb_arity class_appl class_exprs heaps + = (type_heaps, expr_heap <:= (expr_ptr, inst_expr)) where - adjust_member_application {me_symb,me_offset,me_class} symb_arity (CA_Instance red_contexts) class_exprs defs has_context contexts heaps error + adjust_member_application defs contexts {me_symb,me_offset,me_class} symb_arity (CA_Instance red_contexts) class_exprs heaps # ({glob_module,glob_object}, red_contexts) = find_instance_of_member me_class me_offset red_contexts - (exprs, (contexts, heaps, error)) = convertClassApplsToExpressions defs has_context red_contexts (contexts, heaps, error) + (exprs, heaps) = convertClassApplsToExpressions defs contexts red_contexts heaps class_exprs = exprs ++ class_exprs - = (EI_Instance { glob_module = glob_module, glob_object = { ds_ident = me_symb, ds_arity = length class_exprs, ds_index = glob_object }} - class_exprs, contexts, heaps, error) - adjust_member_application {me_symb,me_offset,me_class={glob_module,glob_object}} symb_arity (CA_Context tc) - class_exprs defs has_context contexts (type_heaps, var_heap, symbol_heap) error - # (class_context, address, contexts, type_heaps, var_heap, error) - = determineContextAddress tc has_context contexts defs type_heaps var_heap error + = (EI_Instance { glob_module = glob_module, glob_object = { ds_ident = me_symb, ds_arity = length class_exprs, ds_index = glob_object }} class_exprs, + heaps) + adjust_member_application defs contexts {me_symb,me_offset,me_class={glob_module,glob_object}} symb_arity (CA_Context tc) class_exprs (type_heaps, expr_heap) + # (class_context, address, type_heaps) = determineContextAddress contexts defs tc type_heaps {class_dictionary={ds_index}} = defs.[glob_module].com_class_defs.[glob_object] selector = selectFromDictionary glob_module ds_index me_offset defs - = (EI_Selection (generateClassSelection address [RecordSelection selector me_offset]) class_context.tc_var class_exprs, - contexts, (type_heaps, var_heap, symbol_heap), error) -// ---> ("adjust_member_application", contexts, class_context.tc_var) - - adjust_member_application _ _ (CA_GlobalTypeCode {tci_index,tci_contexts}) _ defs has_context contexts heaps error - # (exprs, (contexts, heaps, error)) = convertClassApplsToExpressions defs has_context tci_contexts (contexts, heaps, error) - = (EI_TypeCode (TCE_Constructor tci_index (map expressionToTypeCodeExpression exprs)), contexts, heaps, error) - adjust_member_application _ _ (CA_LocalTypeCode new_var_ptr) _ defs has_context contexts heaps error - = (EI_TypeCode (TCE_Var new_var_ptr), contexts, heaps, error) + = (EI_Selection (generateClassSelection address [RecordSelection selector me_offset]) class_context.tc_var class_exprs, (type_heaps, expr_heap)) + + adjust_member_application defs contexts _ _ (CA_GlobalTypeCode {tci_index,tci_contexts}) _ heaps + # (exprs, heaps) = convertClassApplsToExpressions defs contexts tci_contexts heaps + = (EI_TypeCode (TCE_Constructor tci_index (map expressionToTypeCodeExpression exprs)), heaps) + adjust_member_application defs contexts _ _ (CA_LocalTypeCode new_var_ptr) _ heaps + = (EI_TypeCode (TCE_Var new_var_ptr), heaps) find_instance_of_member me_class me_offset { rcs_class_context = {rc_class, rc_inst_module, rc_inst_members, rc_red_contexts}, rcs_constraints_contexts} | rc_class.glob_module == me_class.glob_module && rc_class.glob_object.ds_index == me_class.glob_object @@ -634,16 +670,12 @@ where = find_instance_of_member me_class me_offset {rcs & rcs_constraints_contexts = rcs_constraints_contexts ++ rcss} find_instance_of_member_in_constraints me_class me_offset [] = abort "Error in module overloading: find_instance_of_member_in_constraints\n" - -simplifyOverloadedCall {symb_kind = SK_TypeCode} expr_info_ptr class_appls defs has_context contexts type_heaps var_heap symbol_heap error - # (class_expressions, (contexts, (type_heaps, var_heap, symbol_heap), error)) - = convertClassApplsToExpressions defs has_context class_appls (contexts, (type_heaps, var_heap, symbol_heap), error) - = (contexts, type_heaps, var_heap, symbol_heap <:= (expr_info_ptr, EI_TypeCodes (map expressionToTypeCodeExpression class_expressions)), error) -simplifyOverloadedCall _ expr_info_ptr appls defs has_context contexts type_heaps var_heap symbol_heap error - # (class_expressions, (contexts, (type_heaps, var_heap, symbol_heap), error)) - = convertClassApplsToExpressions defs has_context appls (contexts, (type_heaps, var_heap, symbol_heap), error) - = (contexts, type_heaps, var_heap, symbol_heap <:= (expr_info_ptr, EI_Context class_expressions), error) -// ---> ("simplifyOverloadedCall", expr_info_ptr, class_expressions) +convertOverloadedCall defs contexts {symb_kind = SK_TypeCode} expr_info_ptr class_appls heaps + # (class_expressions, (type_heaps, expr_heap)) = convertClassApplsToExpressions defs contexts class_appls heaps + = (type_heaps, expr_heap <:= (expr_info_ptr, EI_TypeCodes (map expressionToTypeCodeExpression class_expressions))) +convertOverloadedCall defs contexts {symb_name} expr_info_ptr appls heaps + # (class_expressions, (type_heaps, expr_heap)) = convertClassApplsToExpressions defs contexts appls heaps + = (type_heaps, expr_heap <:= (expr_info_ptr, EI_Context class_expressions)) expressionToTypeCodeExpression (TypeCodeExpression texpr) = texpr @@ -652,35 +684,33 @@ expressionToTypeCodeExpression (Var {var_info_ptr}) = TCE_Var var_info_ptr generateClassSelection address last_selectors = mapAppend (\(off_set,selector) -> RecordSelection selector off_set) address last_selectors -convertClassApplsToExpressions defs has_context cl_appls contexts_heaps_error - = mapSt (convert_class_appl_to_expression defs has_context) cl_appls contexts_heaps_error +convertClassApplsToExpressions defs contexts cl_appls heaps + = mapSt (convert_class_appl_to_expression defs contexts) cl_appls heaps where - convert_class_appl_to_expression defs has_context (CA_Instance {rcs_class_context,rcs_constraints_contexts}) contexts_heaps_error - # (class_symb, class_members, instance_types, contexts_heaps_error) - = convert_reduced_context_to_expression defs has_context rcs_class_context contexts_heaps_error - (members_of_constraints, (contexts, (type_heaps, var_heap, expr_heap), error)) - = convert_list_of_reduced_contexts_to_expressions defs has_context rcs_constraints_contexts contexts_heaps_error + convert_class_appl_to_expression defs contexts (CA_Instance {rcs_class_context,rcs_constraints_contexts}) heaps + # (class_symb, class_members, instance_types, heaps) + = convert_reduced_context_to_expression defs contexts rcs_class_context heaps + (members_of_constraints, (type_heaps, expr_heap)) + = convert_list_of_reduced_contexts_to_expressions defs contexts rcs_constraints_contexts heaps {ds_ident,ds_index,ds_arity} = getDictionaryConstructor class_symb defs record_symbol = { symb_name = ds_ident, symb_kind = SK_Constructor {glob_module = class_symb.glob_module, glob_object = ds_index}, symb_arity = ds_arity } (app_info_ptr, expr_heap) = newPtr (EI_ClassTypes instance_types) expr_heap - = (App { app_symb = record_symbol, app_args = class_members ++ members_of_constraints, app_info_ptr = app_info_ptr }, - (contexts, (type_heaps, var_heap, expr_heap), error)) - convert_class_appl_to_expression defs has_context (CA_Context tc) (contexts, (type_heaps, var_heap, expr_heap), error) - # (class_context, context_address, contexts, type_heaps, var_heap, error) - = determineContextAddress tc has_context contexts defs type_heaps var_heap error - | isEmpty context_address // ---> ("convert_class_appl_to_expression", tc , contexts, class_context) - = (ClassVariable class_context.tc_var, (contexts, (type_heaps, var_heap, expr_heap), error)) - = (Selection No (ClassVariable class_context.tc_var) (generateClassSelection context_address []), (contexts, (type_heaps, var_heap, expr_heap), error)) - convert_class_appl_to_expression defs has_context (CA_LocalTypeCode new_var_ptr) contexts_heaps_error - = (TypeCodeExpression (TCE_Var new_var_ptr), contexts_heaps_error) - convert_class_appl_to_expression defs has_context (CA_GlobalTypeCode {tci_index,tci_contexts}) contexts_heaps_error - # (exprs, contexts_heaps_error) = convertClassApplsToExpressions defs has_context tci_contexts contexts_heaps_error - = (TypeCodeExpression (TCE_Constructor tci_index (map expressionToTypeCodeExpression exprs)), contexts_heaps_error) - - convert_reduced_context_to_expression defs has_context {rc_class, rc_inst_module, rc_inst_members, rc_red_contexts, rc_types} contexts_heaps_error - # (expressions, contexts_heaps_error) = convertClassApplsToExpressions defs has_context rc_red_contexts contexts_heaps_error + = (App { app_symb = record_symbol, app_args = class_members ++ members_of_constraints, app_info_ptr = app_info_ptr }, (type_heaps, expr_heap)) + convert_class_appl_to_expression defs contexts (CA_Context tc) (type_heaps, expr_heap) + # (class_context, context_address, type_heaps) = determineContextAddress contexts defs tc type_heaps + | isEmpty context_address + = (ClassVariable class_context.tc_var, (type_heaps, expr_heap)) + = (Selection No (ClassVariable class_context.tc_var) (generateClassSelection context_address []), (type_heaps, expr_heap)) + convert_class_appl_to_expression defs contexts (CA_LocalTypeCode new_var_ptr) heaps + = (TypeCodeExpression (TCE_Var new_var_ptr), heaps) + convert_class_appl_to_expression defs contexts (CA_GlobalTypeCode {tci_index,tci_contexts}) heaps + # (exprs, heaps) = convertClassApplsToExpressions defs contexts tci_contexts heaps + = (TypeCodeExpression (TCE_Constructor tci_index (map expressionToTypeCodeExpression exprs)), heaps) + + convert_reduced_context_to_expression defs contexts {rc_class, rc_inst_module, rc_inst_members, rc_red_contexts, rc_types} heaps + # (expressions, heaps) = convertClassApplsToExpressions defs contexts rc_red_contexts heaps members = build_class_members 0 rc_inst_members rc_inst_module expressions (length expressions) - = (rc_class, members, rc_types, contexts_heaps_error) + = (rc_class, members, rc_types, heaps) where build_class_members mem_offset ins_members mod_index class_arguments arity | mem_offset == size ins_members @@ -690,54 +720,36 @@ where = [ App { app_symb = { symb_name = ds_ident, symb_kind = SK_Function { glob_object = ds_index, glob_module = mod_index }, symb_arity = arity }, app_args = class_arguments, app_info_ptr = nilPtr } : expressions ] - convert_list_of_reduced_contexts_to_expressions defs has_context list_of_rcs contexts_heaps_error - = mapSt (convert_reduced_contexts_to_expressions defs has_context) list_of_rcs contexts_heaps_error - - convert_reduced_contexts_to_expressions defs has_context {rcs_class_context,rcs_constraints_contexts} contexts_heaps_error - # (class_symb, rc_exprs, instance_types, contexts_heaps_error) - = convert_reduced_context_to_expression defs has_context rcs_class_context contexts_heaps_error - (rcs_exprs, (contexts, (type_heaps, var_heap, expr_heap), error)) - = convert_list_of_reduced_contexts_to_expressions defs has_context rcs_constraints_contexts contexts_heaps_error + convert_list_of_reduced_contexts_to_expressions defs contexts list_of_rcs heaps + = mapSt (convert_reduced_contexts_to_expressions defs contexts) list_of_rcs heaps + + convert_reduced_contexts_to_expressions defs contexts {rcs_class_context,rcs_constraints_contexts} heaps + # (class_symb, rc_exprs, instance_types, heaps) + = convert_reduced_context_to_expression defs contexts rcs_class_context heaps + (rcs_exprs, (type_heaps, expr_heap)) + = convert_list_of_reduced_contexts_to_expressions defs contexts rcs_constraints_contexts heaps {ds_ident,ds_index,ds_arity} = getDictionaryConstructor class_symb defs record_symbol = { symb_name = ds_ident, symb_kind = SK_Constructor {glob_module = class_symb.glob_module, glob_object = ds_index}, symb_arity = ds_arity } (app_info_ptr, expr_heap) = newPtr (EI_ClassTypes instance_types) expr_heap rc_record = App { app_symb = record_symbol, app_args = rc_exprs ++ rcs_exprs, app_info_ptr = app_info_ptr } - = (rc_record, (contexts, (type_heaps, var_heap, expr_heap), error)) - -/* -createBoundVar :: !TypeContext -> BoundVar -createBoundVar {tc_class={glob_object={ds_ident}}, tc_var} - = { var_name = { id_name = "_v" +++ ds_ident.id_name, id_info = nilPtr }, var_info_ptr = tc_var, var_expr_ptr = nilPtr } - -createFreeVar :: !TypeContext -> FreeVar -createFreeVar {tc_class={glob_object={ds_ident}}, tc_var} - | isNilPtr tc_var - = abort ("createFreeVar : NIL ptr" ---> ds_ident) - = { fv_name = { id_name = "_v" +++ ds_ident.id_name, id_info = nilPtr }, fv_info_ptr = tc_var, fv_def_level = NotALevel, fv_count = -1 } -*/ + = (rc_record, (type_heaps, expr_heap)) + -determineContextAddress :: !TypeContext !Bool ![TypeContext] !{#CommonDefs} !*TypeHeaps !*VarHeap !*ErrorAdmin - -> (!TypeContext, ![(Int, Global DefinedSymbol)], ![TypeContext], !*TypeHeaps, !*VarHeap, !*ErrorAdmin) -determineContextAddress tc has_context contexts defs type_heaps var_heap error - = determine_context_and_address tc contexts has_context contexts defs type_heaps var_heap error +determineContextAddress :: ![TypeContext] !{#CommonDefs} !TypeContext !*TypeHeaps + -> (!TypeContext, ![(Int, Global DefinedSymbol)], !*TypeHeaps) +determineContextAddress contexts defs this_context type_heaps + = look_up_context_and_address this_context contexts defs type_heaps where - determine_context_and_address :: !TypeContext ![TypeContext] !Bool ![TypeContext] !{#CommonDefs} !*TypeHeaps !*VarHeap !*ErrorAdmin - -> (!TypeContext, ![(Int, Global DefinedSymbol)], ![TypeContext], !*TypeHeaps, !*VarHeap, !*ErrorAdmin) - determine_context_and_address context [] has_context contexts defs type_heaps var_heap error - | has_context - = (context, [], contexts, type_heaps, var_heap, contextError context error) - #! (new_info_ptr, var_heap) = newPtr VI_Empty var_heap - # new_context = { context & tc_var = new_info_ptr} - = (new_context, [], [new_context : contexts], type_heaps, var_heap, error) - determine_context_and_address context [tc : tcs] has_context contexts defs type_heaps var_heap error - #! (may_be_addres, type_heaps) = determine_address context tc [] defs type_heaps + look_up_context_and_address :: !TypeContext ![TypeContext] !{#CommonDefs} !*TypeHeaps -> (TypeContext, [(Int, Global DefinedSymbol)], !*TypeHeaps) + look_up_context_and_address context [] defs type_heaps + = abort "look_up_context_and_address (overloading.icl)" + look_up_context_and_address this_context [tc : tcs] defs type_heaps + #! (may_be_addres, type_heaps) = determine_address this_context tc [] defs type_heaps = case may_be_addres of Yes address - | isNilPtr tc.tc_var - -> abort ("determine_context_and_address" ---> tc.tc_class.glob_object.ds_ident) - -> (tc, address, contexts, type_heaps, var_heap, error) + -> (tc, address, type_heaps) No - -> determine_context_and_address context tcs has_context contexts defs type_heaps var_heap error + -> look_up_context_and_address this_context tcs defs type_heaps determine_address :: !TypeContext !TypeContext ![(Int, Global DefinedSymbol)] !{#CommonDefs} !*TypeHeaps -> (!Optional [(Int, Global DefinedSymbol)],!*TypeHeaps) @@ -749,101 +761,111 @@ where th_vars = foldr2 (\{tv_info_ptr} type -> writePtr tv_info_ptr (TVI_Type type)) th_vars class_args tc2.tc_types (super_instances, type_heaps) = substitute class_context { type_heaps & th_vars = th_vars } = find_super_instance tc1 super_instances (size class_members) address glob_module class_dictionary.ds_index defs type_heaps + where + find_super_instance :: !TypeContext ![TypeContext] !Index ![(Int, Global DefinedSymbol)] !Index !Index !{#CommonDefs} !*TypeHeaps + -> (!Optional [(Int, Global DefinedSymbol)],!*TypeHeaps) + find_super_instance context [] tc_index address dict_mod dict_index defs type_heaps + = (No, type_heaps) + find_super_instance context [tc : tcs] tc_index address dict_mod dict_index defs type_heaps + #! (may_be_addres, type_heaps) = determine_address context tc address defs type_heaps + = case may_be_addres of + Yes address + # selector = selectFromDictionary dict_mod dict_index tc_index defs + -> (Yes [ (tc_index, selector) : address ], type_heaps) + No + -> find_super_instance context tcs (inc tc_index) address dict_mod dict_index defs type_heaps + - find_super_instance :: !TypeContext ![TypeContext] !Index ![(Int, Global DefinedSymbol)] !Index !Index !{#CommonDefs} !*TypeHeaps - -> (!Optional [(Int, Global DefinedSymbol)],!*TypeHeaps) - find_super_instance context [] tc_index address dict_mod dict_index defs type_heaps - = (No, type_heaps) - find_super_instance context [tc : tcs] tc_index address dict_mod dict_index defs type_heaps - #! (may_be_addres, type_heaps) = determine_address context tc address defs type_heaps - = case may_be_addres of - Yes address - # selector = selectFromDictionary dict_mod dict_index tc_index defs - -> (Yes [ (tc_index, selector) : address ], type_heaps) - No - -> find_super_instance context tcs (inc tc_index) address dict_mod dict_index defs type_heaps +getClassVariable :: !Ident !VarInfoPtr !*VarHeap !*ErrorAdmin -> (!Ident, !VarInfoPtr, !*VarHeap, !*ErrorAdmin) +getClassVariable symb var_info_ptr var_heap error + = case (readPtr var_info_ptr var_heap) of + (VI_ClassVar var_name new_info_ptr count, var_heap) + -> (var_name, new_info_ptr, var_heap <:= (var_info_ptr, VI_ClassVar var_name new_info_ptr (inc count)), error) + (_, var_heap) + -> (symb, var_info_ptr, var_heap, overloadingError symb error) -getClassVariable var_info_ptr var_heap - # (var_info, var_heap) = readPtr var_info_ptr var_heap - = case var_info of - VI_ClassVar var_name new_info_ptr count - -> (var_name, new_info_ptr, var_heap <:= (var_info_ptr, VI_ClassVar var_name new_info_ptr (inc count))) - _ - -> abort "getClassVariable" ---> var_info_ptr -updateDynamics :: ![Int] ![TypeContext] ![LocalTypePatternVariable] !*{#FunDef} !*ExpressionHeap !*TypeCodeInfo !*VarHeap !*ErrorAdmin - -> (!*{#FunDef}, !*ExpressionHeap, !*TypeCodeInfo, !*VarHeap, !*ErrorAdmin) -updateDynamics funs type_contexts type_pattern_vars fun_defs symbol_heap type_code_info var_heap error +updateDynamics :: ![Index] ![LocalTypePatternVariable] !*{#FunDef} !*{! FunctionType} !*ExpressionHeap !*TypeCodeInfo !*VarHeap !*ErrorAdmin + -> (!*{#FunDef}, !*{! FunctionType}, !*ExpressionHeap, !*TypeCodeInfo, !*VarHeap, !*ErrorAdmin) +updateDynamics funs type_pattern_vars fun_defs fun_env symbol_heap type_code_info var_heap error | error.ea_ok - = update_dynamics funs type_contexts fun_defs symbol_heap type_code_info { ltp_var_heap = var_heap, ltp_variables = type_pattern_vars} error - = (fun_defs, symbol_heap, type_code_info, var_heap, error) + = update_dynamics funs type_pattern_vars fun_defs fun_env symbol_heap type_code_info var_heap error + = (fun_defs, fun_env, symbol_heap, type_code_info, var_heap, error) where - update_dynamics [] type_contexts fun_defs symbol_heap type_code_info ltp error - = (fun_defs, symbol_heap, type_code_info, ltp.ltp_var_heap, error) - update_dynamics [fun:funs] type_contexts fun_defs symbol_heap type_code_info ltp error + update_dynamics [] type_pattern_vars fun_defs fun_env symbol_heap type_code_info var_heap error + = (fun_defs, fun_env, symbol_heap, type_code_info, var_heap, error) + update_dynamics [fun:funs] type_pattern_vars fun_defs fun_env symbol_heap type_code_info var_heap error #! fun_def = fun_defs.[fun] # {fun_body,fun_info={fi_group_index, fi_dynamics}} = fun_def | isEmpty fi_dynamics - = update_dynamics funs type_contexts fun_defs symbol_heap type_code_info ltp error - # (type_code_info, symbol_heap, ltp) = convertDynamicTypes fi_dynamics (type_code_info, symbol_heap, ltp) + = update_dynamics funs type_pattern_vars fun_defs fun_env symbol_heap type_code_info var_heap error + # (type_code_info, symbol_heap, type_pattern_vars, var_heap) + = convertDynamicTypes fi_dynamics (type_code_info, symbol_heap, type_pattern_vars, var_heap) (TransformedBody tb) = fun_body - (tb_rhs, {ui_instance_calls, ui_symbol_heap, ui_var_heap, ui_fun_defs}) = updateExpression fi_group_index [] tb.tb_rhs - { ui_instance_calls = [], ui_symbol_heap = symbol_heap, ui_fun_defs = fun_defs, ui_var_heap = ltp.ltp_var_heap } + (tb_rhs, {ui_instance_calls, ui_symbol_heap, ui_var_heap, ui_fun_defs, ui_fun_env, ui_error}) = updateExpression fi_group_index tb.tb_rhs + { ui_instance_calls = [], ui_symbol_heap = symbol_heap, ui_fun_defs = fun_defs, + ui_fun_env = fun_env, ui_var_heap = var_heap, ui_error = error } fun_def = { fun_def & fun_body = TransformedBody {tb & tb_rhs = tb_rhs}} - = update_dynamics funs type_contexts { ui_fun_defs & [fun] = fun_def } ui_symbol_heap type_code_info { ltp & ltp_var_heap = ui_var_heap } error + = update_dynamics funs type_pattern_vars { ui_fun_defs & [fun] = fun_def } ui_fun_env ui_symbol_heap type_code_info ui_var_heap ui_error -removeOverloadedFunctions :: ![(Optional [TypeContext], IdentPos, Index)] ![TypeContext] ![LocalTypePatternVariable] !*{#FunDef} !*ExpressionHeap +removeOverloadedFunctions :: ![Index] ![LocalTypePatternVariable] !*{#FunDef} !*{! FunctionType} !*ExpressionHeap !*TypeCodeInfo !*VarHeap !*ErrorAdmin - -> (!*{#FunDef}, !*ExpressionHeap, !*TypeCodeInfo, !*VarHeap, !*ErrorAdmin) -removeOverloadedFunctions opt_spec_contexts type_contexts type_pattern_vars fun_defs symbol_heap type_code_info var_heap error + -> (!*{#FunDef}, !*{! FunctionType}, !*ExpressionHeap, !*TypeCodeInfo, !*VarHeap, !*ErrorAdmin) +removeOverloadedFunctions group type_pattern_vars fun_defs fun_env symbol_heap type_code_info var_heap error | error.ea_ok - # (_, fun_defs, symbol_heap, type_code_info, ltp, error) - = foldSt (remove_overloaded_function type_contexts) opt_spec_contexts - (False, fun_defs, symbol_heap, type_code_info, { ltp_var_heap = var_heap, ltp_variables = type_pattern_vars}, error) - = (fun_defs, symbol_heap, type_code_info, ltp.ltp_var_heap, error) + # (fun_defs, fun_env, symbol_heap, type_code_info, var_heap, error) + = foldSt (remove_overloaded_function type_pattern_vars) group (fun_defs, fun_env, symbol_heap, type_code_info, var_heap, error) + = (fun_defs, fun_env, symbol_heap, type_code_info, var_heap, error) where - remove_overloaded_function derived_context (opt_context, location, fun_index) - (refresh_variables, fun_defs, symbol_heap, type_code_info, ltp, error) + remove_overloaded_function type_pattern_vars fun_index (fun_defs, fun_env, symbol_heap, type_code_info, var_heap, error) # (fun_def, fun_defs) = fun_defs![fun_index] - {fun_body = TransformedBody {tb_args,tb_rhs},fun_info,fun_arity,fun_symb} = fun_def - (refresh_variables, rev_variables, ltp_var_heap) = determine_class_arguments refresh_variables opt_context derived_context ltp.ltp_var_heap - error = setErrorAdmin location error - (type_code_info, symbol_heap, ltp) = convertDynamicTypes fun_info.fi_dynamics (type_code_info, symbol_heap, { ltp & ltp_var_heap = ltp_var_heap }) - (tb_rhs, {ui_instance_calls, ui_symbol_heap, ui_var_heap, ui_fun_defs}) = updateExpression fun_info.fi_group_index rev_variables tb_rhs - { ui_instance_calls = [], ui_symbol_heap = symbol_heap, ui_var_heap = ltp.ltp_var_heap, ui_fun_defs = fun_defs } - (tb_args, ltp_var_heap) = foldSt retrieve_class_argument rev_variables (tb_args, ui_var_heap) + (CheckedType {st_context}, fun_env) = fun_env![fun_index] + {fun_body = TransformedBody {tb_args,tb_rhs},fun_info,fun_arity,fun_symb,fun_pos} = fun_def + (rev_variables, var_heap) = foldSt determine_class_argument st_context ([], var_heap) +// ---> ("remove_overloaded_function", fun_symb, st_context)) + error = setErrorAdmin (newPosition fun_symb fun_pos) error + (type_code_info, symbol_heap, type_pattern_vars, var_heap) = convertDynamicTypes fun_info.fi_dynamics (type_code_info, symbol_heap, type_pattern_vars, var_heap) + (tb_rhs, {ui_instance_calls, ui_symbol_heap, ui_var_heap, ui_fun_defs, ui_fun_env, ui_error}) + = updateExpression fun_info.fi_group_index tb_rhs { ui_instance_calls = [], ui_symbol_heap = symbol_heap, + ui_var_heap = var_heap, ui_fun_defs = fun_defs, ui_fun_env = fun_env, ui_error = error } + (tb_args, var_heap) = foldSt retrieve_class_argument rev_variables (tb_args, ui_var_heap) fun_def = { fun_def & fun_body = TransformedBody {tb_args = tb_args, tb_rhs = tb_rhs}, fun_arity = length tb_args, fun_info = { fun_info & fi_calls = fun_info.fi_calls ++ ui_instance_calls } } - = (refresh_variables, { ui_fun_defs & [fun_index] = fun_def }, ui_symbol_heap, type_code_info, { ltp & ltp_var_heap = ltp_var_heap }, error) - - determine_class_arguments fresh_variables (Yes spec_context) _ var_heap - # (rev_variables, var_heap) = foldSt set_variable spec_context ([], var_heap) - = (fresh_variables, rev_variables, var_heap) - determine_class_arguments fresh_variables No derived_context var_heap - | fresh_variables - # (rev_variables, var_heap) = foldSt set_fresh_variable derived_context ([], var_heap) - = (True, rev_variables, var_heap) - # (rev_variables, var_heap) = foldSt set_variable derived_context ([], var_heap) - = (True, rev_variables, var_heap) - - set_fresh_variable {tc_class={glob_object={ds_ident={id_name}}}, tc_var} (variables, var_heap) - # (new_info_ptr, var_heap) = newPtr VI_Empty var_heap - = ([tc_var : variables], var_heap <:= (tc_var, VI_ClassVar (build_var_name id_name) new_info_ptr 0)) - - set_variable {tc_class={glob_object={ds_ident={id_name}}}, tc_var} (variables, var_heap) - = ([tc_var : variables], var_heap <:= (tc_var, VI_ClassVar (build_var_name id_name) tc_var 0)) + = ({ ui_fun_defs & [fun_index] = fun_def }, ui_fun_env, ui_symbol_heap, type_code_info, var_heap, ui_error) +// ---> ("remove_overloaded_function", fun_symb, tb_args, tb_rhs) + + determine_class_argument {tc_class={glob_object={ds_ident={id_name}}}, tc_var} (variables, var_heap) + # (var_info, var_heap) = readPtr tc_var var_heap + = case var_info of + VI_ForwardClassVar var_info_ptr + # (var_info, var_heap) = readPtr var_info_ptr var_heap +// (new_info_ptr, var_heap) = newPtr VI_Empty var_heap +// -> ([var_info_ptr : variables], var_heap <:= (var_info_ptr, VI_ClassVar (build_var_name id_name) new_info_ptr 0 var_info)) + + -> case var_info of + VI_Empty + # (new_info_ptr, var_heap) = newPtr VI_Empty var_heap + -> ([var_info_ptr : variables], var_heap <:= (var_info_ptr, VI_ClassVar (build_var_name id_name) new_info_ptr 0)) + _ + -> abort "determine_class_argument (overloading.icl)" + + VI_Empty + # (new_info_ptr, var_heap) = newPtr VI_Empty var_heap + -> ([tc_var : variables], var_heap <:= (tc_var, VI_ClassVar (build_var_name id_name) new_info_ptr 0)) + _ + -> abort "determine_class_argument (overloading.icl)" build_var_name id_name = { id_name = "_v" +++ id_name, id_info = nilPtr } retrieve_class_argument var_info_ptr (args, var_heap) # (VI_ClassVar var_name new_info_ptr count, var_heap) = readPtr var_info_ptr var_heap - = ([{fv_name = var_name, fv_info_ptr = new_info_ptr, fv_def_level = NotALevel, fv_count = count } : args], var_heap) + = ([{fv_name = var_name, fv_info_ptr = new_info_ptr, fv_def_level = NotALevel, fv_count = count } : args], var_heap <:= (var_info_ptr, VI_Empty)) convertDynamicTypes dyn_ptrs update_info = foldSt update_dynamic dyn_ptrs update_info where - update_dynamic dyn_ptr (type_code_info, expr_heap, ltp) + update_dynamic dyn_ptr (type_code_info, expr_heap, type_pattern_vars, var_heap) # (dyn_info, expr_heap) = readPtr dyn_ptr expr_heap = case dyn_info of EI_TempDynamicType (Yes {dt_global_vars, dt_uni_vars, dt_type}) _ _ expr_ptr _ @@ -852,35 +874,35 @@ where EI_TypeCodes type_codes # type_var_heap = fold2St (\{tv_info_ptr} type_code -> writePtr tv_info_ptr (TVI_TypeCode type_code)) dt_global_vars type_codes type_code_info.tci_type_var_heap - (uni_vars, (type_var_heap, ltp_var_heap)) = new_type_variables dt_uni_vars (type_var_heap, ltp.ltp_var_heap) + (uni_vars, (type_var_heap, var_heap)) = new_type_variables dt_uni_vars (type_var_heap, var_heap) (type_code_expr, type_code_info) = toTypeCodeExpression dt_type { type_code_info & tci_type_var_heap = type_var_heap } - -> (type_code_info, expr_heap <:= (dyn_ptr, EI_TypeOfDynamic uni_vars type_code_expr), { ltp & ltp_var_heap = ltp_var_heap}) + -> (type_code_info, expr_heap <:= (dyn_ptr, EI_TypeOfDynamic uni_vars type_code_expr), type_pattern_vars, var_heap) EI_Empty - # (uni_vars, (type_var_heap, ltp_var_heap)) = new_type_variables dt_uni_vars (type_code_info.tci_type_var_heap, ltp.ltp_var_heap) + # (uni_vars, (type_var_heap, var_heap)) = new_type_variables dt_uni_vars (type_code_info.tci_type_var_heap, var_heap) (type_code_expr, type_code_info) = toTypeCodeExpression dt_type { type_code_info & tci_type_var_heap = type_var_heap } - -> (type_code_info, expr_heap <:= (dyn_ptr, EI_TypeOfDynamic uni_vars type_code_expr), {ltp & ltp_var_heap = ltp_var_heap}) + -> (type_code_info, expr_heap <:= (dyn_ptr, EI_TypeOfDynamic uni_vars type_code_expr), type_pattern_vars, var_heap) EI_TempDynamicType No _ _ expr_ptr _ # (expr_info, expr_heap) = readPtr expr_ptr expr_heap -> case expr_info of EI_TypeCode type_expr - -> (type_code_info, expr_heap <:= (dyn_ptr, EI_TypeOfDynamic [] type_expr), ltp) + -> (type_code_info, expr_heap <:= (dyn_ptr, EI_TypeOfDynamic [] type_expr), type_pattern_vars, var_heap) EI_Selection selectors record_var _ - # (_, var_info_ptr, ltp_var_heap) = getClassVariable record_var ltp.ltp_var_heap - -> (type_code_info, expr_heap <:= (dyn_ptr, EI_TypeOfDynamic [] (convert_selectors selectors var_info_ptr)), { ltp & ltp_var_heap = ltp_var_heap }) + # (_, var_info_ptr, var_heap) = abort "getClassVariable record_var var_heap (overloading.icl)" + -> (type_code_info, expr_heap <:= (dyn_ptr, EI_TypeOfDynamic [] (convert_selectors selectors var_info_ptr)), type_pattern_vars, var_heap) EI_TempDynamicPattern type_vars {dt_global_vars, dt_type} loc_dynamics temp_local_vars _ _ expr_ptr _ # (expr_info, expr_heap) = readPtr expr_ptr expr_heap -> case expr_info of EI_TypeCodes type_codes # type_var_heap = fold2St (\{tv_info_ptr} type_code -> writePtr tv_info_ptr (TVI_TypeCode type_code)) dt_global_vars type_codes type_code_info.tci_type_var_heap - (var_ptrs, ltp) = mapSt addLocalTCInstance temp_local_vars ltp + (var_ptrs, (type_pattern_vars, var_heap)) = mapSt addLocalTCInstance temp_local_vars (type_pattern_vars, var_heap) type_var_heap = fold2St (\{tv_info_ptr} var_ptr -> writePtr tv_info_ptr (TVI_TypeCode (TCE_Var var_ptr))) type_vars var_ptrs type_var_heap (type_code_expr, type_code_info) = toTypeCodeExpression dt_type { type_code_info & tci_type_var_heap = type_var_heap } - -> convert_local_dynamics loc_dynamics (type_code_info, expr_heap <:= (dyn_ptr, EI_TypeOfDynamicPattern var_ptrs type_code_expr), ltp) + -> convert_local_dynamics loc_dynamics (type_code_info, expr_heap <:= (dyn_ptr, EI_TypeOfDynamicPattern var_ptrs type_code_expr), type_pattern_vars, var_heap) EI_Empty - # (var_ptrs, ltp) = mapSt addLocalTCInstance temp_local_vars ltp + # (var_ptrs, (type_pattern_vars, var_heap)) = mapSt addLocalTCInstance temp_local_vars (type_pattern_vars, var_heap) type_var_heap = fold2St (\{tv_info_ptr} var_ptr -> writePtr tv_info_ptr (TVI_TypeCode (TCE_Var var_ptr))) type_vars var_ptrs type_code_info.tci_type_var_heap (type_code_expr, type_code_info) = toTypeCodeExpression dt_type { type_code_info & tci_type_var_heap = type_var_heap } - -> convert_local_dynamics loc_dynamics (type_code_info, expr_heap <:= (dyn_ptr, EI_TypeOfDynamicPattern var_ptrs type_code_expr), ltp) + -> convert_local_dynamics loc_dynamics (type_code_info, expr_heap <:= (dyn_ptr, EI_TypeOfDynamicPattern var_ptrs type_code_expr), type_pattern_vars, var_heap) where convert_local_dynamics loc_dynamics state @@ -936,54 +958,77 @@ where , ui_symbol_heap :: !.ExpressionHeap , ui_var_heap :: !.VarHeap , ui_fun_defs :: !.{# FunDef} + , ui_fun_env :: !.{! FunctionType} + , ui_error :: !.ErrorAdmin } -class updateExpression e :: !Index ![VarInfoPtr] !e !*UpdateInfo -> (!e, !*UpdateInfo) +class updateExpression e :: !Index !e !*UpdateInfo -> (!e, !*UpdateInfo) instance updateExpression Expression where - updateExpression group_index type_contexts (App app=:{app_symb=symb=:{symb_kind,symb_arity,symb_name},app_args,app_info_ptr}) ui - # (app_args, ui) = updateExpression group_index type_contexts app_args ui + updateExpression group_index (App app=:{app_symb=symb=:{symb_kind,symb_arity,symb_name},app_args,app_info_ptr}) ui + # (app_args, ui) = updateExpression group_index app_args ui | isNilPtr app_info_ptr = (App { app & app_args = app_args }, ui) #! symb_info = sreadPtr app_info_ptr ui.ui_symbol_heap = case symb_info of EI_Empty - | is_recursive_call group_index symb_kind ui.ui_fun_defs - # (symb_arity, app_args, ui_var_heap) = foldSt build_context_arg type_contexts (symb_arity, app_args, ui.ui_var_heap) - -> (App { app & app_symb = { symb & symb_arity = symb_arity }, app_args = app_args }, { ui & ui_var_heap = ui_var_heap }) + #! fun_index = get_recursive_fun_index group_index symb_kind ui.ui_fun_defs + | fun_index == NoIndex -> (App { app & app_args = app_args }, ui) + # (CheckedType {st_context}, ui) = ui!ui_fun_env.[fun_index] + (app_args, (ui_var_heap, ui_error)) = mapAppendSt (build_context_arg symb_name) st_context app_args (ui.ui_var_heap, ui.ui_error) + -> (App { app & app_symb = { symb & symb_arity = symb_arity + length st_context}, app_args = app_args }, + { ui & ui_var_heap = ui_var_heap, ui_error = ui_error }) + EI_Context context_args + # (app_args, (ui_var_heap, ui_error)) = adjustClassExpressions symb_name context_args app_args (ui.ui_var_heap, ui.ui_error) + #! fun_index = get_recursive_fun_index group_index symb_kind ui.ui_fun_defs + | fun_index == NoIndex + # app = { app & app_symb = { symb & symb_arity = length context_args + symb_arity }, app_args = app_args} + -> (App app, examine_calls context_args { ui & ui_var_heap = ui_var_heap, ui_error = ui_error }) + # (CheckedType {st_context}, ui) = ui!ui_fun_env.[fun_index] + nr_of_context_args = length context_args + nr_of_lifted_contexts = length st_context - nr_of_context_args + (app_args, (ui_var_heap, ui_error)) = mapAppendSt (build_context_arg symb_name) (take nr_of_lifted_contexts st_context) app_args (ui_var_heap, ui_error) + -> (App { app & app_symb = { symb & symb_arity = nr_of_lifted_contexts + nr_of_context_args + symb_arity }, app_args = app_args }, + examine_calls context_args { ui & ui_var_heap = ui_var_heap, ui_error = ui_error }) EI_Instance inst_symbol context_args - # (context_args, ui_var_heap) = adjustClassExpressions context_args [] ui.ui_var_heap + # (context_args, (ui_var_heap, ui_error)) = adjustClassExpressions symb_name context_args [] (ui.ui_var_heap, ui.ui_error) -> (build_application inst_symbol context_args app_args symb_arity app_info_ptr, examine_calls context_args (new_call inst_symbol.glob_module inst_symbol.glob_object.ds_index - { ui & ui_var_heap = ui_var_heap })) + { ui & ui_var_heap = ui_var_heap, ui_error = ui_error })) EI_Selection selectors record_var context_args - # (all_args, ui_var_heap) = adjustClassExpressions context_args app_args ui.ui_var_heap - (var_name, var_info_ptr, ui_var_heap) = getClassVariable record_var ui_var_heap + # (all_args, (ui_var_heap, ui_error)) = adjustClassExpressions symb_name context_args app_args (ui.ui_var_heap, ui.ui_error) + (var_name, var_info_ptr, ui_var_heap, ui_error) = getClassVariable symb_name record_var ui_var_heap ui_error select_expr = Selection No (Var { var_name = var_name, var_info_ptr = var_info_ptr, var_expr_ptr = nilPtr }) selectors | isEmpty all_args - -> (select_expr, { ui & ui_var_heap = ui_var_heap }) - -> (select_expr @ all_args, examine_calls context_args { ui & ui_var_heap = ui_var_heap }) - EI_Context context_args - # (app_args, ui_var_heap) = adjustClassExpressions context_args app_args ui.ui_var_heap - # app = { app & app_symb = { symb & symb_arity = length context_args + symb_arity }, app_args = app_args} - -> (App app, examine_calls context_args { ui & ui_var_heap = ui_var_heap }) + -> (select_expr, { ui & ui_var_heap = ui_var_heap, ui_error = ui_error }) + -> (select_expr @ all_args, examine_calls context_args { ui & ui_var_heap = ui_var_heap, ui_error = ui_error }) where - build_context_arg var_info_ptr (arity, args, var_heap) - # (var_name, var_info_ptr, var_heap) = getClassVariable var_info_ptr var_heap - = (inc arity, [ Var { var_name = var_name, var_info_ptr = var_info_ptr, var_expr_ptr = nilPtr } : args ], var_heap) + build_context_arg symb {tc_var} (var_heap, error) + # (var_info, var_heap) = readPtr tc_var var_heap + = case var_info of + VI_ForwardClassVar var_info_ptr + # (var_name, var_info_ptr, var_heap, error) = getClassVariable symb var_info_ptr var_heap error + -> (Var { var_name = var_name, var_info_ptr = var_info_ptr, var_expr_ptr = nilPtr }, (var_heap, error)) + VI_ClassVar var_name new_info_ptr count + -> (Var { var_name = var_name, var_info_ptr = new_info_ptr, var_expr_ptr = nilPtr }, + (var_heap <:= (tc_var, VI_ClassVar var_name new_info_ptr (inc count)), error)) + _ + -> abort "build_context_arg (overloading.icl)" - is_recursive_call group_index (SK_Function {glob_module,glob_object}) fun_defs + get_recursive_fun_index group_index (SK_Function {glob_module,glob_object}) fun_defs | glob_module == cIclModIndex - #! fun_def = fun_defs.[glob_object] - = fun_def.fun_info.fi_group_index == group_index - = False - is_recursive_call group_index _ fun_defs - = False + # ({fun_info={fi_group_index}, fun_index}, fun_defs) = fun_defs![glob_object] + | fi_group_index == group_index + = fun_index + = NoIndex + = NoIndex + get_recursive_fun_index group_index _ fun_defs + = NoIndex build_application def_symbol=:{glob_object} context_args orig_args nr_of_orig_args app_info_ptr = App {app_symb = { symb_name = glob_object.ds_ident, @@ -1022,134 +1067,134 @@ where = ui - updateExpression group_index type_contexts (expr @ exprs) ui - # ((expr, exprs), ui) = updateExpression group_index type_contexts (expr, exprs) ui + updateExpression group_index (expr @ exprs) ui + # ((expr, exprs), ui) = updateExpression group_index (expr, exprs) ui = (expr @ exprs, ui) - updateExpression group_index type_contexts (Let lad=:{let_lazy_binds, let_strict_binds, let_expr}) ui - # (let_lazy_binds, ui) = updateExpression group_index type_contexts let_lazy_binds ui - # (let_strict_binds, ui) = updateExpression group_index type_contexts let_strict_binds ui - # (let_expr, ui) = updateExpression group_index type_contexts let_expr ui + updateExpression group_index (Let lad=:{let_lazy_binds, let_strict_binds, let_expr}) ui + # (let_lazy_binds, ui) = updateExpression group_index let_lazy_binds ui + # (let_strict_binds, ui) = updateExpression group_index let_strict_binds ui + # (let_expr, ui) = updateExpression group_index let_expr ui = (Let {lad & let_lazy_binds = let_lazy_binds, let_strict_binds = let_strict_binds, let_expr = let_expr}, ui) - updateExpression group_index type_contexts (Case kees=:{case_expr,case_guards,case_default}) ui - # ((case_expr,(case_guards,case_default)), ui) = updateExpression group_index type_contexts (case_expr,(case_guards,case_default)) ui + updateExpression group_index (Case kees=:{case_expr,case_guards,case_default}) ui + # ((case_expr,(case_guards,case_default)), ui) = updateExpression group_index (case_expr,(case_guards,case_default)) ui = (Case { kees & case_expr = case_expr, case_guards = case_guards, case_default = case_default }, ui) - updateExpression group_index type_contexts (Selection is_unique expr selectors) ui - # (expr, ui) = updateExpression group_index type_contexts expr ui - (selectors, ui) = updateExpression group_index type_contexts selectors ui + updateExpression group_index (Selection is_unique expr selectors) ui + # (expr, ui) = updateExpression group_index expr ui + (selectors, ui) = updateExpression group_index selectors ui = (Selection is_unique expr selectors, ui) - updateExpression group_index type_contexts (Update expr1 selectors expr2) ui - # (expr1, ui) = updateExpression group_index type_contexts expr1 ui - (selectors, ui) = updateExpression group_index type_contexts selectors ui - (expr2, ui) = updateExpression group_index type_contexts expr2 ui + updateExpression group_index (Update expr1 selectors expr2) ui + # (expr1, ui) = updateExpression group_index expr1 ui + (selectors, ui) = updateExpression group_index selectors ui + (expr2, ui) = updateExpression group_index expr2 ui = (Update expr1 selectors expr2, ui) - updateExpression group_index type_contexts (RecordUpdate cons_symbol expression expressions) ui - # (expression, ui) = updateExpression group_index type_contexts expression ui - (expressions, ui) = updateExpression group_index type_contexts expressions ui + updateExpression group_index (RecordUpdate cons_symbol expression expressions) ui + # (expression, ui) = updateExpression group_index expression ui + (expressions, ui) = updateExpression group_index expressions ui = (RecordUpdate cons_symbol expression expressions, ui) - updateExpression group_index type_contexts (DynamicExpr dyn=:{dyn_expr,dyn_info_ptr}) ui - # (dyn_expr, ui) = updateExpression group_index type_contexts dyn_expr ui + updateExpression group_index (DynamicExpr dyn=:{dyn_expr,dyn_info_ptr}) ui + # (dyn_expr, ui) = updateExpression group_index dyn_expr ui (EI_TypeOfDynamic uni_vars type_code, ui_symbol_heap) = readPtr dyn_info_ptr ui.ui_symbol_heap = (DynamicExpr { dyn & dyn_expr = dyn_expr, dyn_type_code = type_code, dyn_uni_vars = uni_vars }, { ui & ui_symbol_heap = ui_symbol_heap }) - updateExpression group_index type_contexts (MatchExpr opt_tuple cons_symbol expr) ui - # (expr, ui) = updateExpression group_index type_contexts expr ui + updateExpression group_index (MatchExpr opt_tuple cons_symbol expr) ui + # (expr, ui) = updateExpression group_index expr ui = (MatchExpr opt_tuple cons_symbol expr, ui) - updateExpression group_index type_contexts (TupleSelect symbol argn_nr expr) ui - # (expr, ui) = updateExpression group_index type_contexts expr ui + updateExpression group_index (TupleSelect symbol argn_nr expr) ui + # (expr, ui) = updateExpression group_index expr ui = (TupleSelect symbol argn_nr expr, ui) - updateExpression group_index type_contexts expr ui + updateExpression group_index expr ui = (expr, ui) instance updateExpression Bind a b | updateExpression a where - updateExpression group_index type_contexts bind=:{bind_src} ui - # (bind_src, ui) = updateExpression group_index type_contexts bind_src ui + updateExpression group_index bind=:{bind_src} ui + # (bind_src, ui) = updateExpression group_index bind_src ui = ({bind & bind_src = bind_src }, ui) instance updateExpression Optional a | updateExpression a where - updateExpression group_index type_contexts (Yes x) ui - # (x, ui) = updateExpression group_index type_contexts x ui + updateExpression group_index (Yes x) ui + # (x, ui) = updateExpression group_index x ui = (Yes x, ui) - updateExpression group_index type_contexts No ui + updateExpression group_index No ui = (No, ui) instance updateExpression CasePatterns where - updateExpression group_index type_contexts (AlgebraicPatterns type patterns) ui - # (patterns, ui) = updateExpression group_index type_contexts patterns ui + updateExpression group_index (AlgebraicPatterns type patterns) ui + # (patterns, ui) = updateExpression group_index patterns ui = (AlgebraicPatterns type patterns, ui) - updateExpression group_index type_contexts (BasicPatterns type patterns) ui - # (patterns, ui) = updateExpression group_index type_contexts patterns ui + updateExpression group_index (BasicPatterns type patterns) ui + # (patterns, ui) = updateExpression group_index patterns ui = (BasicPatterns type patterns, ui) - updateExpression group_index type_contexts (DynamicPatterns patterns) ui - # (patterns, ui) = updateExpression group_index type_contexts patterns ui + updateExpression group_index (DynamicPatterns patterns) ui + # (patterns, ui) = updateExpression group_index patterns ui = (DynamicPatterns patterns, ui) instance updateExpression AlgebraicPattern where - updateExpression group_index type_contexts pattern=:{ap_vars,ap_expr} ui - # (ap_expr, ui) = updateExpression group_index type_contexts ap_expr ui + updateExpression group_index pattern=:{ap_vars,ap_expr} ui + # (ap_expr, ui) = updateExpression group_index ap_expr ui = ({ pattern & ap_expr = ap_expr }, ui) instance updateExpression BasicPattern where - updateExpression group_index type_contexts pattern=:{bp_expr} ui - # (bp_expr, ui) = updateExpression group_index type_contexts bp_expr ui + updateExpression group_index pattern=:{bp_expr} ui + # (bp_expr, ui) = updateExpression group_index bp_expr ui = ({ pattern & bp_expr = bp_expr }, ui) instance updateExpression Selection where - updateExpression group_index type_contexts (ArraySelection selector expr_ptr index_expr) ui - # (index_expr, ui) = updateExpression group_index type_contexts index_expr ui + updateExpression group_index (ArraySelection selector=:{glob_object={ds_ident}} expr_ptr index_expr) ui + # (index_expr, ui) = updateExpression group_index index_expr ui #! symb_info = sreadPtr expr_ptr ui.ui_symbol_heap = case symb_info of EI_Instance array_select [] -> (ArraySelection array_select expr_ptr index_expr, ui) EI_Selection selectors record_var context_args - # (var_name, var_info_ptr, ui_var_heap) = getClassVariable record_var ui.ui_var_heap + # (var_name, var_info_ptr, ui_var_heap, ui_error) = getClassVariable ds_ident record_var ui.ui_var_heap ui.ui_error -> (DictionarySelection { var_name = var_name, var_info_ptr = var_info_ptr, var_expr_ptr = nilPtr } selectors expr_ptr index_expr, - { ui & ui_var_heap = ui_var_heap }) - updateExpression group_index type_contexts selection ui + { ui & ui_var_heap = ui_var_heap, ui_error = ui_error }) + updateExpression group_index selection ui = (selection, ui) instance updateExpression TypeCase where - updateExpression group_index type_contexts type_case=:{type_case_dynamic,type_case_patterns,type_case_default} ui - # ((type_case_dynamic,(type_case_patterns,type_case_default)), ui) = updateExpression group_index type_contexts + updateExpression group_index type_case=:{type_case_dynamic,type_case_patterns,type_case_default} ui + # ((type_case_dynamic,(type_case_patterns,type_case_default)), ui) = updateExpression group_index (type_case_dynamic,(type_case_patterns,type_case_default)) ui = ({ type_case & type_case_dynamic = type_case_dynamic, type_case_patterns = type_case_patterns, type_case_default = type_case_default }, ui) instance updateExpression DynamicPattern where - updateExpression group_index type_contexts dp=:{dp_type,dp_rhs} ui - # (dp_rhs, ui) = updateExpression group_index type_contexts dp_rhs ui + updateExpression group_index dp=:{dp_type,dp_rhs} ui + # (dp_rhs, ui) = updateExpression group_index dp_rhs ui (EI_TypeOfDynamicPattern type_pattern_vars type_code, ui_symbol_heap) = readPtr dp_type ui.ui_symbol_heap = ({ dp & dp_rhs = dp_rhs, dp_type_patterns_vars = type_pattern_vars, dp_type_code = type_code }, { ui & ui_symbol_heap = ui_symbol_heap }) instance updateExpression (a,b) | updateExpression a & updateExpression b where - updateExpression group_index type_contexts t ui - = app2St (updateExpression group_index type_contexts,updateExpression group_index type_contexts) t ui + updateExpression group_index t ui + = app2St (updateExpression group_index,updateExpression group_index) t ui instance updateExpression [e] | updateExpression e where - updateExpression group_index type_contexts l ui - = mapSt (updateExpression group_index type_contexts) l ui + updateExpression group_index l ui + = mapSt (updateExpression group_index) l ui -adjustClassExpressions exprs tail_exprs var_heap - = mapAppendSt adjustClassExpression exprs tail_exprs var_heap +adjustClassExpressions symb_name exprs tail_exprs var_heap_error + = mapAppendSt (adjustClassExpression symb_name) exprs tail_exprs var_heap_error where - adjustClassExpression (App app=:{app_args}) var_heap - # (app_args, var_heap) = adjustClassExpressions app_args [] var_heap - = (App { app & app_args = app_args }, var_heap) - adjustClassExpression (ClassVariable var_info_ptr) var_heap - # (var_name, var_info_ptr, var_heap) = getClassVariable var_info_ptr var_heap - = (Var { var_name = var_name, var_info_ptr = var_info_ptr, var_expr_ptr = nilPtr }, var_heap) - adjustClassExpression (Selection opt_type expr selectors) var_heap - # (expr, var_heap) = adjustClassExpression expr var_heap - = (Selection opt_type expr selectors, var_heap) - adjustClassExpression expr var_heap - = (expr, var_heap) + adjustClassExpression symb_name (App app=:{app_args}) var_heap_error + # (app_args, var_heap_error) = adjustClassExpressions symb_name app_args [] var_heap_error + = (App { app & app_args = app_args }, var_heap_error) + adjustClassExpression symb_name (ClassVariable var_info_ptr) (var_heap, error) + # (var_name, var_info_ptr, var_heap, error) = getClassVariable symb_name var_info_ptr var_heap error + = (Var { var_name = var_name, var_info_ptr = var_info_ptr, var_expr_ptr = nilPtr }, (var_heap, error)) + adjustClassExpression symb_name (Selection opt_type expr selectors) var_heap_error + # (expr, var_heap_error) = adjustClassExpression symb_name expr var_heap_error + = (Selection opt_type expr selectors, var_heap_error) + adjustClassExpression symb_name expr var_heap_error + = (expr, var_heap_error) class equalTypes a :: !a !a !*TypeVarHeap -> (!Bool, !*TypeVarHeap) diff --git a/frontend/refmark.icl b/frontend/refmark.icl index 5ff60bc..abe40c7 100644 --- a/frontend/refmark.icl +++ b/frontend/refmark.icl @@ -335,6 +335,7 @@ refMarkOfCase free_vars sel expr (BasicPatterns type patterns) defaul var_heap (local_lets, var_heap) = collectLocalLetVars free_vars var_heap (pattern_depth, used_lets, var_heap) = foldSt (ref_mark_of_basic_pattern free_vars sel local_lets) patterns (0, [], var_heap) = refMarkOfDefault False pattern_depth free_vars sel defaul used_lets var_heap +// ---> ("refMarkOfCase", expr, [ (bp_value, bp_expr) \\ {bp_value, bp_expr} <- patterns]) where ref_mark_of_basic_pattern free_vars sel local_lets {bp_expr} (pattern_depth, used_lets, var_heap) # pattern_depth = inc pattern_depth @@ -394,10 +395,10 @@ where | do_par_combine # new_comb_ref_count = parCombineRefCount comb_ref_count occ_ref_count = (new_comb_ref_count, occ_previous) - // ---> ("parCombineRefCount", comb_ref_count, occ_ref_count, new_comb_ref_count) +// ---> ("parCombineRefCount", comb_ref_count, occ_ref_count, new_comb_ref_count) # new_comb_ref_count = seqCombineRefCount comb_ref_count occ_ref_count = (new_comb_ref_count, occ_previous) - // ---> ("seqCombineRefCount", comb_ref_count, occ_ref_count, new_comb_ref_count) +// ---> ("seqCombineRefCount", comb_ref_count, occ_ref_count, new_comb_ref_count) case_combine_ref_counts do_par_combine comb_ref_count [occ_ref_count:occ_previous] depth # new_comb_ref_count = case_combine_ref_count comb_ref_count occ_ref_count = case_combine_ref_counts do_par_combine new_comb_ref_count occ_previous (dec depth) diff --git a/frontend/syntax.dcl b/frontend/syntax.dcl index 02a6191..816ffce 100644 --- a/frontend/syntax.dcl +++ b/frontend/syntax.dcl @@ -447,7 +447,8 @@ cIsALocalVar :== False VI_Alias !BoundVar /* used for resolving aliases just before type checking (in transform) */ | /* used during elimination and lifting of cases */ VI_FreeVar !Ident !VarInfoPtr !Int !AType | VI_BoundVar !AType | VI_LocalVar | - VI_ClassVar !Ident !VarInfoPtr !Int /* used to hold dictionary variables during overloading */ | + VI_ClassVar !Ident !VarInfoPtr !Int | /* to hold dictionary variables during overloading */ + VI_ForwardClassVar !VarInfoPtr | /* to hold the dictionary variable generated during overloading */ VI_Forward !BoundVar | VI_LetVar !LetVarInfo | VI_LetExpression !LetExpressionInfo | VI_CaseVar !VarInfoPtr | VI_CorrespondenceNumber !Int | VI_SequenceNumber !Int | VI_Used | /* for indicating that an imported function has been used */ @@ -812,7 +813,8 @@ cNonRecursiveAppl :== False } :: TypeAttribute = TA_Unique | TA_Multi | TA_Var !AttributeVar | TA_RootVar AttributeVar | TA_TempVar !Int | TA_TempExVar - | TA_Anonymous | TA_None | TA_List !Int !TypeAttribute + | TA_Anonymous | TA_None + | TA_List !Int !TypeAttribute | TA_Locked !TypeAttribute :: AttributeVar = { av_name :: !Ident diff --git a/frontend/syntax.icl b/frontend/syntax.icl index 4d7f79f..548f3fd 100644 --- a/frontend/syntax.icl +++ b/frontend/syntax.icl @@ -424,7 +424,8 @@ cIsALocalVar :== False VI_Alias !BoundVar /* used for resolving aliases just before type checking (in transform) */ | /* used during elimination and lifting of cases */ VI_FreeVar !Ident !VarInfoPtr !Int !AType | VI_BoundVar !AType | VI_LocalVar | - VI_ClassVar !Ident !VarInfoPtr !Int /* used to hold dictionary variables during overloading */ | + VI_ClassVar !Ident !VarInfoPtr !Int | /* to hold dictionary variables during overloading */ + VI_ForwardClassVar !VarInfoPtr | /* to hold the dictionary variable generated during overloading */ VI_Forward !BoundVar | VI_LetVar !LetVarInfo | VI_LetExpression !LetExpressionInfo | VI_CaseVar !VarInfoPtr | VI_CorrespondenceNumber !Int | VI_SequenceNumber !Int | VI_Used | /* for indicating that an imported function has been used */ @@ -772,7 +773,8 @@ cNotVarNumber :== -1 } :: TypeAttribute = TA_Unique | TA_Multi | TA_Var !AttributeVar | TA_RootVar AttributeVar | TA_TempVar !Int | TA_TempExVar - | TA_Anonymous | TA_None | TA_List !Int !TypeAttribute + | TA_Anonymous | TA_None + | TA_List !Int !TypeAttribute | TA_Locked !TypeAttribute :: AttributeVar = { av_name :: !Ident @@ -1153,7 +1155,7 @@ where toString (TA_Var avar) = toString avar + ": " toString TA_TempExVar - = "E" + = "(E)" toString (TA_RootVar avar) = toString avar + ": " toString (TA_Anonymous) @@ -1256,14 +1258,14 @@ where instance <<< SymbIdent where - (<<<) file symb=:{symb_kind = SK_Function symb_index } = file <<< symb.symb_name <<< '.' <<< symb_index - (<<<) file symb=:{symb_kind = SK_GeneratedFunction _ symb_index } = file <<< symb.symb_name <<< '.' <<< symb_index - (<<<) file symb=:{symb_kind = SK_OverloadedFunction symb_index } = file <<< symb.symb_name <<< "OL" + (<<<) file symb=:{symb_kind = SK_Function symb_index } = file <<< symb.symb_name <<< '@' <<< symb_index + (<<<) file symb=:{symb_kind = SK_GeneratedFunction _ symb_index } = file <<< symb.symb_name <<< '@' <<< symb_index + (<<<) file symb=:{symb_kind = SK_OverloadedFunction symb_index } = file <<< symb.symb_name <<< "[o]@" <<< symb_index (<<<) file symb = file <<< symb.symb_name instance <<< TypeSymbIdent where - (<<<) file symb = file <<< symb.type_name <<< '.' <<< symb.type_arity + (<<<) file symb = file <<< symb.type_name <<< '.' <<< symb.type_index instance <<< ClassSymbIdent where @@ -1272,7 +1274,7 @@ where instance <<< BoundVar where (<<<) file {var_name,var_info_ptr,var_expr_ptr} - = file <<< var_name <<< '<' <<< ptrToInt var_info_ptr /*<<< ',' <<< ptrToInt var_expr_ptr*/ <<< '>' + = file <<< var_name <<< '<' <<< ptrToInt var_info_ptr <<< ',' <<< ptrToInt var_expr_ptr <<< '>' instance <<< Bind a b | <<< a & <<< b where @@ -1513,6 +1515,8 @@ where // <<< fun_index <<< '.' <<< fi_def_level <<< ' ' <<< '[' <<< fi_free_vars <<< ']' <<< tb_args <<< " = " <<< tb_rhs (<<<) file {fun_symb,fun_index,fun_body=BackendBody body,fun_type=Yes type} = file <<< type <<< '\n' <<< fun_symb <<< '.' <<< fun_index <<< body <<< '\n' + (<<<) file {fun_symb,fun_index,fun_body=NoBody,fun_type=Yes type} = file <<< type <<< '\n' <<< fun_symb <<< '.' + <<< fun_index <<< "Array function\n" instance <<< FunCall where @@ -1698,7 +1702,7 @@ where instance <<< Global a | <<< a where - (<<<) file {glob_object,glob_module} = file <<< glob_object <<< '.' <<< glob_module + (<<<) file {glob_object,glob_module} = file <<< glob_object <<< "M:" <<< glob_module instance <<< Position where diff --git a/frontend/trans.dcl b/frontend/trans.dcl index 1bed708..b9d252d 100644 --- a/frontend/trans.dcl +++ b/frontend/trans.dcl @@ -10,7 +10,7 @@ cAccumulating :== -3 :: CleanupInfo -analyseGroups :: !{# CommonDefs} !*{! Group} !*{#FunDef} !*VarHeap !*ExpressionHeap +analyseGroups :: !{# CommonDefs} !IndexRange !*{! Group} !*{#FunDef} !*VarHeap !*ExpressionHeap -> (!CleanupInfo, !*{! ConsClasses}, !*{! Group}, !*{#FunDef}, !*VarHeap, !*ExpressionHeap) transformGroups :: !CleanupInfo !*{! Group} !*{#FunDef} !{!.ConsClasses} !{# CommonDefs} !{# {# FunType} } diff --git a/frontend/trans.icl b/frontend/trans.icl index c72afbc..517eb34 100644 --- a/frontend/trans.icl +++ b/frontend/trans.icl @@ -497,10 +497,10 @@ independentConsumerRequirements exprs common_defs ai=:{ai_cur_ref_counts} unify_ref_counts 2 _ = 2 -analyseGroups :: !{# CommonDefs} !*{! Group} !*{#FunDef} !*VarHeap !*ExpressionHeap +analyseGroups :: !{# CommonDefs} !IndexRange !*{! Group} !*{#FunDef} !*VarHeap !*ExpressionHeap -> (!CleanupInfo, !*{! ConsClasses}, !*{! Group}, !*{#FunDef}, !*VarHeap, !*ExpressionHeap) -analyseGroups common_defs groups fun_defs var_heap expr_heap - #! nr_of_funs = size fun_defs +analyseGroups common_defs {ir_from, ir_to} groups fun_defs var_heap expr_heap + #! nr_of_funs = size fun_defs + ir_from - ir_to /* Sjaak */ nr_of_groups = size groups = iFoldSt (analyse_group common_defs) 0 nr_of_groups ([], createArray nr_of_funs { cc_size = 0, cc_args = [], cc_linear_bits = []}, groups, fun_defs, var_heap, expr_heap) @@ -1242,6 +1242,7 @@ generateFunction fd=:{fun_body = TransformedBody {tb_args,tb_rhs},fun_info = {fi th_attrs = foldSt (\av attr_var_heap -> attr_var_heap <:= (av.av_info_ptr, SwitchFusion AVI_Empty (AVI_Attr (TA_Var av)))) st_attr_vars ti_type_heaps.th_attrs (new_fun_args, new_arg_types, new_linear_bits, new_cons_args, th_vars, ti_symbol_heap, ti_fun_defs, ti_fun_heap, ti_var_heap) +// = determine_args cc_linear_bits cc_args 0 prods tb_args (st_args ---> ("generateFunction", fd.fun_symb, fd.fun_index, fun_type)) (st_vars, ti_cons_args, tb_rhs) th_vars = determine_args cc_linear_bits cc_args 0 prods tb_args st_args (st_vars, ti_cons_args, tb_rhs) th_vars ti_symbol_heap ti_fun_defs ti_fun_heap ti_var_heap (fresh_arg_types, ti_type_heaps) = substitute new_arg_types { ti_type_heaps & th_vars = th_vars, th_attrs = th_attrs } @@ -1309,6 +1310,7 @@ where , mapAppend (\_ -> { at_attribute = TA_Multi, at_annotation = AN_None, at_type = TE }) free_vars types , mapAppend (\_ -> True) free_vars new_linear_bits , mapAppend (\_ -> cActive) free_vars new_cons_args +// , bind_class_types type.at_type (class_types ---> ("determine_arg", (class_app.app_symb.symb_name, class_app.app_args), type.at_type, class_types)) type_var_heap , bind_class_types type.at_type class_types type_var_heap , symbol_heap , fun_defs @@ -1379,8 +1381,14 @@ where bind_type (TV {tv_info_ptr}) type type_var_heap = type_var_heap <:= (tv_info_ptr, TVI_Type type) - bind_type (TA _ arg_types1) (TA _ arg_types2) type_var_heap - = bind_types arg_types1 arg_types2 type_var_heap + bind_type (TA {type_name} arg_types1) (TA _ arg_types2) type_var_heap + | length arg_types1 == length arg_types2 + = bind_types arg_types1 arg_types2 type_var_heap + = abort ("bind_type (trans.icl)" ---> (type_name, arg_types1, arg_types2)) + bind_type (CV {tv_info_ptr} :@: arg_types1) (TA type_cons arg_types2) type_var_heap + # type_arity = type_cons.type_arity - length arg_types1 + type_var_heap = type_var_heap <:= (tv_info_ptr, TVI_Type (TA {type_cons & type_arity = type_arity} (take type_arity arg_types2))) + = bind_types arg_types1 (drop type_arity arg_types2) type_var_heap bind_type _ _ type_var_heap = type_var_heap @@ -1729,7 +1737,8 @@ where = (Var var, writeVarInfo var_info_ptr VI_Empty (writeVarInfo var.var_info_ptr VI_Empty var_heap)) determineProducer is_applied_to_macro_fun linear_bit app=:{app_symb = symb=:{symb_kind = SK_Function { glob_module, glob_object }}, app_args} _ new_args prod_index producers ti - | glob_module <> cIclModIndex + #! max_index = size ti.ti_cons_args + | glob_module <> cIclModIndex || glob_object >= max_index /* Sjaak, to skip array functions */ = (producers, [App app : new_args ], ti) # (fun_def, ti_fun_defs) = (ti.ti_fun_defs)![glob_object] ti = { ti & ti_fun_defs=ti_fun_defs } @@ -1932,7 +1941,6 @@ convertSymbolType common_defs st imported_types collected_imports type_heaps va { ets_type_defs = imported_types, ets_collected_conses = collected_imports, ets_type_heaps= type_heaps, ets_var_heap = var_heap } = (st, ets_type_defs, ets_collected_conses, ets_type_heaps, ets_var_heap) - :: ExpandTypeState = { ets_type_defs :: !.{#{#CheckedTypeDef}} , ets_collected_conses :: !ImportedConstructors @@ -1961,25 +1969,55 @@ where instance expandSynTypes Type where - expandSynTypes common_defs (TA type_symb=:{type_index={glob_object,glob_module},type_name} types) ets=:{ets_type_defs} - # ({td_rhs,td_name,td_args},ets_type_defs) = ets_type_defs![glob_module].[glob_object] - ets = { ets & ets_type_defs = ets_type_defs } - = case td_rhs of - SynType rhs_type - # (type, ets_type_heaps) = substitute rhs_type.at_type (fold2St bind_var_and_attr td_args types ets.ets_type_heaps) - // ---> (td_name, td_args, rhs_type.at_type)) - -> expandSynTypes common_defs type { ets & ets_type_heaps = ets_type_heaps } - _ - # (types, ets) = expandSynTypes common_defs types ets - | glob_module == cIclModIndex - -> (TA type_symb types, ets) - -> (TA type_symb types, collect_imported_constructors common_defs glob_module td_rhs ets) - where + expandSynTypes common_defs (arg_type --> res_type) ets + # ((arg_type, res_type), ets) = expandSynTypes common_defs (arg_type, res_type) ets + = (arg_type --> res_type, ets) + expandSynTypes common_defs type=:(TB _) ets + = (type, ets) + expandSynTypes common_defs (cons_var :@: types) ets + # (types, ets) = expandSynTypes common_defs types ets + = (cons_var :@: types, ets) + expandSynTypes common_defs type=:(TA type_symb types) ets + = expand_syn_types_in_TA common_defs type_symb types TA_Multi ets + expandSynTypes common_defs type ets + = (type, ets) + +instance expandSynTypes [a] | expandSynTypes a +where + expandSynTypes common_defs list ets + = mapSt (expandSynTypes common_defs) list ets + + +instance expandSynTypes (a,b) | expandSynTypes a & expandSynTypes b +where + expandSynTypes common_defs tuple ets + = app2St (expandSynTypes common_defs, expandSynTypes common_defs) tuple ets + +expand_syn_types_in_TA common_defs type_symb=:{type_index={glob_object,glob_module},type_name} types attribute ets=:{ets_type_defs} + # ({td_rhs,td_name,td_args,td_attribute},ets_type_defs) = ets_type_defs![glob_module].[glob_object] + ets = { ets & ets_type_defs = ets_type_defs } + = case td_rhs of + SynType rhs_type + # ets_type_heaps = bind_attr td_attribute attribute ets.ets_type_heaps + ets_type_heaps = (fold2St bind_var_and_attr td_args types ets_type_heaps) + (type, ets_type_heaps) = substitute rhs_type.at_type ets_type_heaps + -> expandSynTypes common_defs type { ets & ets_type_heaps = ets_type_heaps } + _ + # (types, ets) = expandSynTypes common_defs types ets + | glob_module == cIclModIndex + -> ( TA type_symb types, ets) + -> ( TA type_symb types, collect_imported_constructors common_defs glob_module td_rhs ets) +where bind_var_and_attr { atv_attribute = TA_Var {av_info_ptr}, atv_variable = {tv_info_ptr} } {at_attribute,at_type} type_heaps=:{th_vars,th_attrs} = { type_heaps & th_vars = th_vars <:= (tv_info_ptr, TVI_Type at_type), th_attrs = th_attrs <:= (av_info_ptr, AVI_Attr at_attribute) } bind_var_and_attr { atv_variable = {tv_info_ptr}} {at_type} type_heaps=:{th_vars} = { type_heaps & th_vars = th_vars <:= (tv_info_ptr, TVI_Type at_type) } + bind_attr (TA_Var {av_info_ptr}) attribute type_heaps=:{th_attrs} + = { type_heaps & th_attrs = th_attrs <:= (av_info_ptr, AVI_Attr attribute) } + bind_attr _ attribute type_heaps + = type_heaps + collect_imported_constructors common_defs mod_index (RecordType {rt_constructor}) ets=:{ets_collected_conses,ets_var_heap} # (ets_collected_conses, ets_var_heap) = collect_imported_constructor mod_index common_defs.[mod_index].com_cons_defs rt_constructor (ets_collected_conses, ets_var_heap) @@ -2003,32 +2041,17 @@ where has_been_collected _ = False - expandSynTypes common_defs (arg_type --> res_type) ets - # ((arg_type, res_type), ets) = expandSynTypes common_defs (arg_type, res_type) ets - = (arg_type --> res_type, ets) - expandSynTypes common_defs (cons_var :@: types) ets - # (types, ets) = expandSynTypes common_defs types ets - = (cons_var :@: types, ets) - expandSynTypes common_defs type ets - = (type, ets) - -instance expandSynTypes [a] | expandSynTypes a -where - expandSynTypes common_defs list ets - = mapSt (expandSynTypes common_defs) list ets - - -instance expandSynTypes (a,b) | expandSynTypes a & expandSynTypes b -where - expandSynTypes common_defs tuple ets - = app2St (expandSynTypes common_defs, expandSynTypes common_defs) tuple ets - instance expandSynTypes AType where - expandSynTypes common_defs atype=:{at_type} ets - # (at_type, ets) = expandSynTypes common_defs at_type ets - = ({ atype & at_type = at_type }, ets) - + expandSynTypes common_defs atype ets + = expand_syn_types_in_a_type common_defs atype ets + where + expand_syn_types_in_a_type common_defs atype=:{at_type = TA type_symb types, at_attribute} ets + # (at_type, ets) = expand_syn_types_in_TA common_defs type_symb types at_attribute ets + = ({ atype & at_type = at_type }, ets) + expand_syn_types_in_a_type common_defs atype ets + # (at_type, ets) = expandSynTypes common_defs atype.at_type ets + = ({ atype & at_type = at_type }, ets) :: FreeVarInfo = { fvi_var_heap :: !.VarHeap |