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Commit 9d04a57d authored by John van Groningen's avatar John van Groningen
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report an error if a generic case is defined using a type synonym 

of arity>0 (prevents compiler crash), rename some functions that
check instances
parent cb83bda3
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frontend/check.icl
View file @ 9d04a57d
......@@ -223,8 +223,7 @@ where
= (gen_case_defs, generic_defs, type_defs, modules, heaps, cs)
//---> ("check_generic_case", gc_ident, gc_type_cons)
check_instance_type module_index (TA type_cons []) type_defs modules heaps=:{hp_type_heaps} cs
check_instance_type module_index (TA type_cons []) type_defs modules heaps=:{hp_type_heaps} cs
# (entry, cs_symbol_table) = readPtr type_cons.type_ident.id_info cs.cs_symbol_table
# cs = {cs & cs_symbol_table = cs_symbol_table}
# (type_index, type_module) = retrieveGlobalDefinition entry STE_Type module_index
......@@ -232,9 +231,17 @@ where
# cs_error = checkError type_cons.type_ident "generic argument type undefined" cs.cs_error
= (TA type_cons [], TypeConsSymb type_cons, type_defs, modules,{heaps&hp_type_heaps = hp_type_heaps}, {cs&cs_error=cs_error})
# (type_def, type_defs, modules)
= getTypeDef module_index {glob_module=type_module, glob_object=type_index} type_defs modules
= getTypeDef module_index {glob_module=type_module, glob_object=type_index} type_defs modules
# type_cons = { type_cons & type_index = { glob_object = type_index, glob_module = type_module }}
= (TA type_cons [], TypeConsSymb type_cons, type_defs, modules,{heaps&hp_type_heaps = hp_type_heaps}, cs)
| type_synonym_with_arguments type_def.td_rhs type_def.td_arity
# cs = {cs & cs_error = checkError type_def.td_ident "synonym type not allowed" cs.cs_error}
= (TA type_cons [], TypeConsSymb type_cons, type_defs, modules,{heaps&hp_type_heaps = hp_type_heaps}, cs)
= (TA type_cons [], TypeConsSymb type_cons, type_defs, modules,{heaps&hp_type_heaps = hp_type_heaps}, cs)
where
type_synonym_with_arguments (SynType _) arity
= arity>0
type_synonym_with_arguments _ _
= False
check_instance_type module_index (TB b) type_defs modules heaps cs
= (TB b, TypeConsBasic b, type_defs, modules,heaps, cs)
check_instance_type module_index TArrow type_defs modules heaps cs
......@@ -244,8 +251,7 @@ where
# (tv_info_ptr, th_vars) = newPtr TVI_Empty hp_type_heaps.th_vars
# tv = {tv & tv_info_ptr = tv_info_ptr}
= ( TV tv, TypeConsVar tv, type_defs, modules
, {heaps& hp_type_heaps = {hp_type_heaps & th_vars = th_vars}}, cs)
, {heaps& hp_type_heaps = {hp_type_heaps & th_vars = th_vars}}, cs)
// .. General instance
check_instance_type module_index ins_type type_defs modules heaps cs=:{cs_error}
# cs_error = checkError {id_name="<>",id_info=nilPtr} "invalid generic type argument" cs_error
......@@ -458,7 +464,7 @@ where
check_instance :: !Index !ClassInstance !u:InstanceSymbols !*TypeHeaps !*CheckState -> (!ClassInstance, !u:InstanceSymbols, !*TypeHeaps, !*CheckState)
check_instance module_index
ins=:{ins_members,ins_class={glob_object = class_ident =: {ds_ident = {id_name,id_info},ds_arity}},ins_type,ins_specials,ins_pos,ins_ident}
ins=:{ins_class={glob_object = class_ident =: {ds_ident = {id_name,id_info},ds_arity}},ins_type,ins_specials,ins_pos,ins_ident}
is=:{is_class_defs,is_modules} type_heaps cs=:{cs_symbol_table}
# (entry, cs_symbol_table) = readPtr id_info cs_symbol_table
# cs = pushErrorAdmin (newPosition ins_ident ins_pos) { cs & cs_symbol_table = cs_symbol_table }
......@@ -484,7 +490,7 @@ where
check_class_instance :: ClassDef !Index !Index !Index !ClassInstance !u:InstanceSymbols !*TypeHeaps !*CheckState
-> (!ClassInstance, !u:InstanceSymbols, !*TypeHeaps, !*CheckState)
check_class_instance class_def module_index class_index class_mod_index
ins=:{ins_members,ins_class={glob_object = class_ident =: {ds_ident = {id_name,id_info},ds_arity}},ins_type,ins_specials,ins_pos,ins_ident}
ins=:{ins_class={glob_object = class_ident =: {ds_ident = {id_name,id_info},ds_arity}},ins_type,ins_specials,ins_pos,ins_ident}
is=:{is_class_defs,is_modules} type_heaps cs=:{cs_symbol_table}
| class_def.class_arity == ds_arity
# ins_class = { glob_object = { class_ident & ds_index = class_index }, glob_module = class_mod_index}
......@@ -498,25 +504,25 @@ where
, { cs & cs_error = checkError id_name ("wrong arity: expected "+++toString class_def.class_arity+++" found "+++toString ds_arity) cs.cs_error }
)
checkInstances :: !Index !*CommonDefs !u:{# DclModule} !*VarHeap !*TypeHeaps !*CheckState
checkIclInstances :: !Index !*CommonDefs !u:{# DclModule} !*VarHeap !*TypeHeaps !*CheckState
-> (![(Index,SymbolType)], !*CommonDefs, !u:{# DclModule}, !*VarHeap , !*TypeHeaps, !*CheckState)
checkInstances mod_index icl_common=:{com_instance_defs,com_class_defs,com_member_defs,com_generic_defs,com_type_defs} modules var_heap type_heaps cs=:{cs_error}
checkIclInstances mod_index icl_common=:{com_instance_defs,com_class_defs,com_member_defs,com_generic_defs,com_type_defs} modules var_heap type_heaps cs=:{cs_error}
| cs_error.ea_ok
# (instance_types, com_instance_defs, com_class_defs, com_member_defs, com_generic_defs, com_type_defs, modules, var_heap, type_heaps, cs)
= check_instances 0 mod_index [] com_instance_defs com_class_defs com_member_defs /*AA*/com_generic_defs com_type_defs modules var_heap type_heaps cs
= check_icl_instances 0 mod_index [] com_instance_defs com_class_defs com_member_defs /*AA*/com_generic_defs com_type_defs modules var_heap type_heaps cs
= (instance_types, { icl_common & com_instance_defs = com_instance_defs,com_class_defs = com_class_defs,com_member_defs = com_member_defs, /*AA*/com_generic_defs = com_generic_defs, com_type_defs = com_type_defs },
modules, var_heap, type_heaps, cs)
= ([], icl_common, modules, var_heap, type_heaps, cs)
where
check_instances :: !Index !Index ![(Index,SymbolType)] !x:{# ClassInstance} !w:{# ClassDef} !v:{# MemberDef} /*AA*/!w:{# GenericDef} !nerd:{# CheckedTypeDef} !u:{# DclModule}
check_icl_instances :: !Index !Index ![(Index,SymbolType)] !x:{# ClassInstance} !w:{# ClassDef} !v:{# MemberDef} /*AA*/!w:{# GenericDef} !nerd:{# CheckedTypeDef} !u:{# DclModule}
!*VarHeap !*TypeHeaps !*CheckState
-> (![(Index,SymbolType)], !x:{# ClassInstance}, !w:{# ClassDef}, !v:{# MemberDef}, /*AA*/!w:{# GenericDef}, !nerd:{# CheckedTypeDef}, !u:{# DclModule}, !*VarHeap, !*TypeHeaps, !*CheckState)
check_instances inst_index mod_index instance_types instance_defs class_defs member_defs generic_defs type_defs modules var_heap type_heaps cs
check_icl_instances inst_index mod_index instance_types instance_defs class_defs member_defs generic_defs type_defs modules var_heap type_heaps cs
| inst_index < size instance_defs
# (instance_def=:{ins_ident, ins_pos}, instance_defs) = instance_defs![inst_index]
# (instance_types, class_defs, member_defs, generic_defs, type_defs, modules, var_heap, type_heaps, cs) =
check_class_instance instance_def mod_index instance_types class_defs member_defs generic_defs type_defs modules var_heap type_heaps cs
= check_instances (inc inst_index) mod_index instance_types instance_defs class_defs member_defs generic_defs type_defs modules var_heap type_heaps cs
= check_icl_instances (inc inst_index) mod_index instance_types instance_defs class_defs member_defs generic_defs type_defs modules var_heap type_heaps cs
// otherwise
= (instance_types, instance_defs, class_defs, member_defs, generic_defs, type_defs, modules, var_heap, type_heaps, cs)
......@@ -525,7 +531,7 @@ where
class_size = size class_members
| class_size == size ins_members
# (instance_types, member_defs, type_defs, modules, var_heap, type_heaps, cs)
= check_member_instances mod_index ins_class.glob_module
= check_icl_instance_members mod_index ins_class.glob_module
0 class_size ins_members class_members class_ident ins_pos ins_type instance_types member_defs type_defs modules var_heap type_heaps cs
= (instance_types, class_defs, member_defs, generic_defs, type_defs, modules, var_heap, type_heaps, cs)
// otherwise
......@@ -547,11 +553,11 @@ where
// otherwise
= (instance_types, class_defs, member_defs, generic_defs, type_defs, modules, var_heap, type_heaps, cs)
*/
check_member_instances :: !Index !Index !Int !Int !{#DefinedSymbol} !{#DefinedSymbol} Ident !Position !InstanceType ![(Index,SymbolType)]
check_icl_instance_members :: !Index !Index !Int !Int !{#DefinedSymbol} !{#DefinedSymbol} Ident !Position !InstanceType ![(Index,SymbolType)]
!v:{# MemberDef} !blah:{# CheckedTypeDef} !u:{# DclModule} !*VarHeap !*TypeHeaps !*CheckState
-> (![(Index,SymbolType)], !v:{# MemberDef}, !blah:{# CheckedTypeDef}, !u:{# DclModule},!*VarHeap, !*TypeHeaps, !*CheckState)
check_member_instances module_index member_mod_index mem_offset class_size ins_members class_members
check_icl_instance_members module_index member_mod_index mem_offset class_size ins_members class_members
class_ident ins_pos ins_type instance_types member_defs type_defs modules var_heap type_heaps cs=:{cs_x={x_main_dcl_module_n}}
| mem_offset == class_size
= (instance_types, member_defs, type_defs, modules, var_heap, type_heaps, cs)
......@@ -559,18 +565,18 @@ where
class_member = class_members.[mem_offset]
cs = setErrorAdmin (newPosition class_ident ins_pos) cs
| ins_member.ds_ident <> class_member.ds_ident
= check_member_instances module_index member_mod_index (inc mem_offset) class_size ins_members class_members class_ident ins_pos ins_type
= check_icl_instance_members module_index member_mod_index (inc mem_offset) class_size ins_members class_members class_ident ins_pos ins_type
instance_types member_defs type_defs modules var_heap type_heaps
{ cs & cs_error = checkError class_member.ds_ident "instance of class member expected" cs.cs_error}
| ins_member.ds_arity <> class_member.ds_arity
= check_member_instances module_index member_mod_index (inc mem_offset) class_size ins_members class_members class_ident ins_pos ins_type
= check_icl_instance_members module_index member_mod_index (inc mem_offset) class_size ins_members class_members class_ident ins_pos ins_type
instance_types member_defs type_defs modules var_heap type_heaps
{ cs & cs_error = checkError class_member.ds_ident "used with wrong arity" cs.cs_error}
# ({me_ident, me_type,me_class_vars,me_pos}, member_defs, modules) = getMemberDef member_mod_index class_member.ds_index module_index member_defs modules
(instance_type, _, type_heaps, Yes (modules, type_defs), cs_error)
= determineTypeOfMemberInstance me_type me_class_vars ins_type SP_None type_heaps (Yes (modules, type_defs, x_main_dcl_module_n)) cs.cs_error
(st_context, var_heap) = initializeContextVariables instance_type.st_context var_heap
= check_member_instances module_index member_mod_index (inc mem_offset) class_size ins_members class_members class_ident ins_pos ins_type
= check_icl_instance_members module_index member_mod_index (inc mem_offset) class_size ins_members class_members class_ident ins_pos ins_type
[ (ins_member.ds_index, { instance_type & st_context = st_context }) : instance_types ] member_defs type_defs modules var_heap type_heaps { cs & cs_error = cs_error }
......@@ -772,46 +778,46 @@ getTypeDef x_main_dcl_module_n {glob_module,glob_object} type_defs modules
# (type_def, modules) = modules![glob_module].dcl_common.com_type_defs.[glob_object]
= (type_def, type_defs, modules)
determineTypesOfInstances :: !Index !Index !*{#ClassInstance} !*{# ClassDef} !*{# MemberDef}
determineTypesOfDclInstances :: !Index !Index !*{#ClassInstance} !*{# ClassDef} !*{# MemberDef}
!*{#DclModule} !*TypeHeaps !*VarHeap !*CheckState
-> (![FunType], !Index, ![ClassInstance], !*{#ClassInstance}, !*{# ClassDef}, !*{# MemberDef}, !*{#DclModule}, !*TypeHeaps, !*VarHeap, !*CheckState)
determineTypesOfInstances first_memb_inst_index mod_index com_instance_defs com_class_defs com_member_defs
determineTypesOfDclInstances first_memb_inst_index mod_index com_instance_defs com_class_defs com_member_defs
modules type_heaps var_heap cs=:{cs_error,cs_predef_symbols,cs_x={x_main_dcl_module_n}}
| cs_error.ea_ok
#! nr_of_class_instances = size com_instance_defs
# (memb_inst_defs, next_mem_inst_index, all_class_specials, com_class_defs, com_member_defs, modules, com_instance_defs, type_heaps, var_heap, cs_predef_symbols,cs_error)
= determine_types_of_instances x_main_dcl_module_n 0 nr_of_class_instances first_memb_inst_index mod_index [] com_class_defs com_member_defs
= determine_types_of_dcl_instances x_main_dcl_module_n 0 nr_of_class_instances first_memb_inst_index mod_index [] com_class_defs com_member_defs
modules com_instance_defs type_heaps var_heap cs_predef_symbols cs_error
= (memb_inst_defs, next_mem_inst_index, all_class_specials, com_instance_defs, com_class_defs,
com_member_defs, modules, type_heaps, var_heap, { cs & cs_predef_symbols=cs_predef_symbols,cs_error = cs_error })
= ([], first_memb_inst_index, [], com_instance_defs, com_class_defs, com_member_defs, modules, type_heaps, var_heap, cs)
where
determine_types_of_instances :: !Index !Index !Index !Index !Index ![ClassInstance] !v:{#ClassDef} !w:{#MemberDef}
determine_types_of_dcl_instances :: !Index !Index !Index !Index !Index ![ClassInstance] !v:{#ClassDef} !w:{#MemberDef}
!x:{#DclModule} !*{#ClassInstance} !*TypeHeaps !*VarHeap !*PredefinedSymbols !*ErrorAdmin
-> (![FunType], !Index, ![ClassInstance], !v:{#ClassDef}, !w:{#MemberDef}, !x:{#DclModule}, !*{#ClassInstance}, !*TypeHeaps, !*VarHeap, !*PredefinedSymbols,!*ErrorAdmin)
determine_types_of_instances x_main_dcl_module_n inst_index next_class_inst_index next_mem_inst_index mod_index all_class_specials
determine_types_of_dcl_instances x_main_dcl_module_n inst_index next_class_inst_index next_mem_inst_index mod_index all_class_specials
class_defs member_defs modules instance_defs type_heaps var_heap predef_symbols error
| inst_index < size instance_defs
# (instance_def=:{ins_class,ins_pos,ins_type,ins_specials}, instance_defs) = instance_defs![inst_index]
# ({class_ident, class_members}, class_defs, modules) = getClassDef ins_class mod_index class_defs modules
class_size = size class_members
(ins_members, memb_inst_defs1, member_defs, modules, type_heaps, var_heap, error)
= determine_instance_symbols_and_types x_main_dcl_module_n next_mem_inst_index 0 mod_index ins_class.glob_module class_size class_members
= determine_dcl_instance_symbols_and_types x_main_dcl_module_n next_mem_inst_index 0 mod_index ins_class.glob_module class_size class_members
ins_type ins_specials class_ident ins_pos member_defs modules type_heaps var_heap error
instance_def = { instance_def & ins_members = { member \\ member <- ins_members }}
(ins_specials, next_class_inst_index, all_class_specials, type_heaps, predef_symbols,error)
= check_instance_specials mod_index instance_def inst_index ins_specials next_class_inst_index all_class_specials type_heaps predef_symbols error
(memb_inst_defs2, next_mem_inst_index, all_class_specials, class_defs, member_defs, modules, instance_defs, type_heaps, var_heap, predef_symbols,error)
= determine_types_of_instances x_main_dcl_module_n (inc inst_index) next_class_inst_index (next_mem_inst_index + class_size) mod_index all_class_specials
= determine_types_of_dcl_instances x_main_dcl_module_n (inc inst_index) next_class_inst_index (next_mem_inst_index + class_size) mod_index all_class_specials
class_defs member_defs modules { instance_defs & [inst_index] = { instance_def & ins_specials = ins_specials }} type_heaps var_heap predef_symbols error
= (memb_inst_defs1 ++ memb_inst_defs2, next_mem_inst_index, all_class_specials, class_defs, member_defs, modules, instance_defs, type_heaps, var_heap, predef_symbols,error)
= ([], next_mem_inst_index, all_class_specials, class_defs, member_defs, modules, instance_defs, type_heaps, var_heap, predef_symbols,error)
determine_instance_symbols_and_types :: !Index !Index !Index !Index !Index !Int !{#DefinedSymbol} !InstanceType !Specials Ident !Position
determine_dcl_instance_symbols_and_types :: !Index !Index !Index !Index !Index !Int !{#DefinedSymbol} !InstanceType !Specials Ident !Position
!w:{#MemberDef} !u:{#DclModule} !*TypeHeaps !*VarHeap !*ErrorAdmin
-> (![DefinedSymbol], ![FunType], !w:{#MemberDef}, !u:{#DclModule}, !*TypeHeaps, !*VarHeap, !.ErrorAdmin)
determine_instance_symbols_and_types x_main_dcl_module_n first_inst_index mem_offset module_index member_mod_index class_size class_members
determine_dcl_instance_symbols_and_types x_main_dcl_module_n first_inst_index mem_offset module_index member_mod_index class_size class_members
ins_type ins_specials class_ident ins_pos member_defs modules type_heaps var_heap cs_error
| mem_offset == class_size
= ([], [], member_defs, modules, type_heaps, var_heap, cs_error)
......@@ -824,7 +830,7 @@ where
(new_info_ptr, var_heap) = newPtr VI_Empty var_heap
inst_def = MakeNewFunctionType me_ident me_type.st_arity me_priority instance_type ins_pos new_ins_specials new_info_ptr
(inst_symbols, memb_inst_defs, member_defs, modules, type_heaps, var_heap, cs_error)
= determine_instance_symbols_and_types x_main_dcl_module_n first_inst_index (inc mem_offset) module_index member_mod_index
= determine_dcl_instance_symbols_and_types x_main_dcl_module_n first_inst_index (inc mem_offset) module_index member_mod_index
class_size class_members ins_type ins_specials class_ident ins_pos member_defs modules type_heaps var_heap cs_error
= ([{ class_member & ds_index = first_inst_index + mem_offset } : inst_symbols], [inst_def : memb_inst_defs], member_defs, modules, type_heaps, var_heap, cs_error)
......@@ -2567,7 +2573,7 @@ check_module2 mod_ident mod_modification_time mod_imported_objects mod_imports m
= checkCommonDefinitions (Yes (copied_dcl_defs, nr_of_cached_modules)) main_dcl_module_n icl_common dcl_modules heaps cs
(instance_types, icl_common, dcl_modules, hp_var_heap, hp_type_heaps, cs)
= checkInstances main_dcl_module_n icl_common dcl_modules hp_var_heap hp_type_heaps cs
= checkIclInstances main_dcl_module_n icl_common dcl_modules hp_var_heap hp_type_heaps cs
heaps = { heaps & hp_type_heaps = hp_type_heaps, hp_var_heap = hp_var_heap }
......@@ -3264,7 +3270,7 @@ checkInstancesOfDclModule mod_index (nr_of_dcl_functions_and_instances, nr_of_dc
nr_of_dcl_functions = size dcl_functions
(memb_inst_defs, nr_of_dcl_functions_and_instances2, rev_spec_class_inst,
com_instance_defs, com_class_defs, com_member_defs, dcl_modules, hp_type_heaps, hp_var_heap, cs)
= determineTypesOfInstances nr_of_dcl_functions mod_index
= determineTypesOfDclInstances nr_of_dcl_functions mod_index
{d \\ d<-:dcl_common.com_instance_defs}
{d \\ d<-:dcl_common.com_class_defs}
{d \\ d<-:dcl_common.com_member_defs}
......
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