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[clang] include method information in type environment

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Summary: It's useful for client analyses to be able to see which methods a type defines.

Reviewed By: jvillard

Differential Revision: D7813582

fbshipit-source-id: 675c041
master
Sam Blackshear 7 years ago committed by Facebook Github Bot
parent 8a57575188
commit d882626d25
1 changed files with 307 additions and 290 deletions
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427
infer/src/clang/CType_decl.ml
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@ -11,6 +11,86 @@ open! IStd
(** Processes types and record declarations by adding them to the tenv *)
let get_struct_decls decl =
let open Clang_ast_t in
match decl with
| CapturedDecl (_, decl_list, _)
| ClassTemplateSpecializationDecl (_, _, _, decl_list, _, _, _, _, _, _)
| ClassTemplatePartialSpecializationDecl (_, _, _, decl_list, _, _, _, _, _, _)
| CXXRecordDecl (_, _, _, decl_list, _, _, _, _)
| EnumDecl (_, _, _, decl_list, _, _, _)
| LinkageSpecDecl (_, decl_list, _)
| NamespaceDecl (_, _, decl_list, _, _)
| ObjCCategoryDecl (_, _, decl_list, _, _)
| ObjCCategoryImplDecl (_, _, decl_list, _, _)
| ObjCImplementationDecl (_, _, decl_list, _, _)
| ObjCInterfaceDecl (_, _, decl_list, _, _)
| ObjCProtocolDecl (_, _, decl_list, _, _)
| RecordDecl (_, _, _, decl_list, _, _, _)
| TranslationUnitDecl (_, decl_list, _, _) ->
decl_list
| AccessSpecDecl _
| BlockDecl _
| ClassScopeFunctionSpecializationDecl _
| EmptyDecl _
| ExportDecl _
| ExternCContextDecl _
| FileScopeAsmDecl _
| FriendDecl _
| FriendTemplateDecl _
| ImportDecl _
| LabelDecl _
| NamespaceAliasDecl _
| ObjCCompatibleAliasDecl _
| ObjCMethodDecl _
| ObjCPropertyDecl _
| BuiltinTemplateDecl _
| ClassTemplateDecl _
| FunctionTemplateDecl _
| TypeAliasTemplateDecl _
| VarTemplateDecl _
| TemplateTemplateParmDecl _
| TemplateTypeParmDecl _
| ObjCTypeParamDecl _
| TypeAliasDecl _
| TypedefDecl _
| UnresolvedUsingTypenameDecl _
| UsingDecl _
| UsingDirectiveDecl _
| UsingPackDecl _
| UsingShadowDecl _
| ConstructorUsingShadowDecl _
| BindingDecl _
| FieldDecl _
| ObjCAtDefsFieldDecl _
| ObjCIvarDecl _
| FunctionDecl _
| CXXDeductionGuideDecl _
| CXXMethodDecl _
| CXXConstructorDecl _
| CXXConversionDecl _
| CXXDestructorDecl _
| MSPropertyDecl _
| NonTypeTemplateParmDecl _
| VarDecl _
| DecompositionDecl _
| ImplicitParamDecl _
| OMPCapturedExprDecl _
| ParmVarDecl _
| VarTemplateSpecializationDecl _
| VarTemplatePartialSpecializationDecl _
| EnumConstantDecl _
| IndirectFieldDecl _
| OMPDeclareReductionDecl _
| UnresolvedUsingValueDecl _
| OMPThreadPrivateDecl _
| ObjCPropertyImplDecl _
| PragmaCommentDecl _
| PragmaDetectMismatchDecl _
| StaticAssertDecl _ ->
[]
let add_predefined_objc_types tenv =
ignore (Tenv.mk_struct tenv (CType_to_sil_type.get_builtin_objc_typename `ObjCClass)) ;
ignore (Tenv.mk_struct tenv (CType_to_sil_type.get_builtin_objc_typename `ObjCId))
@ -102,84 +182,52 @@ let get_record_definition decl =
decl
let get_struct_decls decl =
let is_decl_info_generic_model {Clang_ast_t.di_attributes} =
let f = function
| Clang_ast_t.AnnotateAttr {ai_parameters= [_; name; _]}
when String.equal name "__infer_generic_model" ->
true
| _ ->
false
in
List.exists ~f di_attributes
(** Global counter for anonymous block*)
let block_counter = ref 0
let get_fresh_block_index () =
block_counter := !block_counter + 1 ;
!block_counter
let mk_objc_method class_typename method_name method_kind =
Typ.Procname.ObjC_Cpp
(Typ.Procname.ObjC_Cpp.make class_typename method_name method_kind Typ.NoTemplate
~is_generic_model:false)
let rec get_mangled_method_name function_decl_info method_decl_info =
(* For virtual methods return mangled name of the method from most base class
Go recursively until there is no method in any parent class. All names
of the same method need to be the same, otherwise dynamic dispatch won't
work. *)
let open Clang_ast_t in
match decl with
| CapturedDecl (_, decl_list, _)
| ClassTemplateSpecializationDecl (_, _, _, decl_list, _, _, _, _, _, _)
| ClassTemplatePartialSpecializationDecl (_, _, _, decl_list, _, _, _, _, _, _)
| CXXRecordDecl (_, _, _, decl_list, _, _, _, _)
| EnumDecl (_, _, _, decl_list, _, _, _)
| LinkageSpecDecl (_, decl_list, _)
| NamespaceDecl (_, _, decl_list, _, _)
| ObjCCategoryDecl (_, _, decl_list, _, _)
| ObjCCategoryImplDecl (_, _, decl_list, _, _)
| ObjCImplementationDecl (_, _, decl_list, _, _)
| ObjCInterfaceDecl (_, _, decl_list, _, _)
| ObjCProtocolDecl (_, _, decl_list, _, _)
| RecordDecl (_, _, _, decl_list, _, _, _)
| TranslationUnitDecl (_, decl_list, _, _) ->
decl_list
| AccessSpecDecl _
| BlockDecl _
| ClassScopeFunctionSpecializationDecl _
| EmptyDecl _
| ExportDecl _
| ExternCContextDecl _
| FileScopeAsmDecl _
| FriendDecl _
| FriendTemplateDecl _
| ImportDecl _
| LabelDecl _
| NamespaceAliasDecl _
| ObjCCompatibleAliasDecl _
| ObjCMethodDecl _
| ObjCPropertyDecl _
| BuiltinTemplateDecl _
| ClassTemplateDecl _
| FunctionTemplateDecl _
| TypeAliasTemplateDecl _
| VarTemplateDecl _
| TemplateTemplateParmDecl _
| TemplateTypeParmDecl _
| ObjCTypeParamDecl _
| TypeAliasDecl _
| TypedefDecl _
| UnresolvedUsingTypenameDecl _
| UsingDecl _
| UsingDirectiveDecl _
| UsingPackDecl _
| UsingShadowDecl _
| ConstructorUsingShadowDecl _
| BindingDecl _
| FieldDecl _
| ObjCAtDefsFieldDecl _
| ObjCIvarDecl _
| FunctionDecl _
| CXXDeductionGuideDecl _
| CXXMethodDecl _
| CXXConstructorDecl _
| CXXConversionDecl _
| CXXDestructorDecl _
| MSPropertyDecl _
| NonTypeTemplateParmDecl _
| VarDecl _
| DecompositionDecl _
| ImplicitParamDecl _
| OMPCapturedExprDecl _
| ParmVarDecl _
| VarTemplateSpecializationDecl _
| VarTemplatePartialSpecializationDecl _
| EnumConstantDecl _
| IndirectFieldDecl _
| OMPDeclareReductionDecl _
| UnresolvedUsingValueDecl _
| OMPThreadPrivateDecl _
| ObjCPropertyImplDecl _
| PragmaCommentDecl _
| PragmaDetectMismatchDecl _
| StaticAssertDecl _ ->
[]
match method_decl_info.xmdi_overriden_methods with
| [] ->
function_decl_info.fdi_mangled_name
| base1_dr :: _ ->
let base1 =
match CAst_utils.get_decl base1_dr.dr_decl_pointer with Some b -> b | _ -> assert false
in
match base1 with
| CXXMethodDecl (_, _, _, fdi, mdi)
| CXXConstructorDecl (_, _, _, fdi, mdi)
| CXXConversionDecl (_, _, _, fdi, mdi)
| CXXDestructorDecl (_, _, _, fdi, mdi) ->
get_mangled_method_name fdi mdi
| _ ->
assert false
let rec get_struct_fields tenv decl =
@ -293,49 +341,6 @@ and get_superclass_list_cpp tenv decl =
List.map ~f:get_super_field base_decls
and get_record_struct_type tenv definition_decl : Typ.desc =
let open Clang_ast_t in
match definition_decl with
| ClassTemplateSpecializationDecl (_, _, type_ptr, _, _, _, record_decl_info, _, _, _)
| CXXRecordDecl (_, _, type_ptr, _, _, _, record_decl_info, _)
| RecordDecl (_, _, type_ptr, _, _, _, record_decl_info)
-> (
let sil_typename = get_record_typename ~tenv definition_decl in
let sil_desc = Typ.Tstruct sil_typename in
match Tenv.lookup tenv sil_typename with
| Some _ ->
sil_desc (* just reuse what is already in tenv *)
| None ->
let is_translatable_definition =
let open Clang_ast_t in
record_decl_info.rdi_is_complete_definition
&& not record_decl_info.rdi_is_dependent_type
in
if is_translatable_definition then (
CAst_utils.update_sil_types_map type_ptr sil_desc ;
let fields = get_struct_fields tenv definition_decl in
let statics = [] in
(* Note: We treat static field same as global variables *)
let methods = [] in
(* C++ methods are not put into tenv (info isn't used) *)
let supers = get_superclass_list_cpp tenv definition_decl in
let annots =
if Typ.Name.Cpp.is_class sil_typename then Annot.Class.cpp
else (* No annotations for structs *) Annot.Item.empty
in
Tenv.mk_struct tenv ~fields ~statics ~methods ~supers ~annots sil_typename |> ignore ;
CAst_utils.update_sil_types_map type_ptr sil_desc ;
sil_desc )
else (
(* There is no definition for that struct in whole translation unit.
Put empty struct into tenv to prevent backend problems *)
ignore (Tenv.mk_struct tenv ~fields:[] sil_typename) ;
CAst_utils.update_sil_types_map type_ptr sil_desc ;
sil_desc ) )
| _ ->
assert false
and add_types_from_decl_to_tenv tenv decl =
let open Clang_ast_t in
match decl with
@ -379,31 +384,7 @@ and qual_type_to_sil_type tenv qual_type =
CType_to_sil_type.qual_type_to_sil_type add_types_from_decl_to_tenv tenv qual_type
module CProcname = struct
let rec get_mangled_method_name function_decl_info method_decl_info =
(* For virtual methods return mangled name of the method from most base class
Go recursively until there is no method in any parent class. All names
of the same method need to be the same, otherwise dynamic dispatch won't
work. *)
let open Clang_ast_t in
match method_decl_info.xmdi_overriden_methods with
| [] ->
function_decl_info.fdi_mangled_name
| base1_dr :: _ ->
let base1 =
match CAst_utils.get_decl base1_dr.dr_decl_pointer with Some b -> b | _ -> assert false
in
match base1 with
| CXXMethodDecl (_, _, _, fdi, mdi)
| CXXConstructorDecl (_, _, _, fdi, mdi)
| CXXConversionDecl (_, _, _, fdi, mdi)
| CXXDestructorDecl (_, _, _, fdi, mdi) ->
get_mangled_method_name fdi mdi
| _ ->
assert false
let get_template_info tenv (fdi: Clang_ast_t.function_decl_info) =
and get_template_info tenv (fdi: Clang_ast_t.function_decl_info) =
match fdi.fdi_template_specialization with
| Some spec_info ->
Typ.Template {mangled= fdi.fdi_mangled_name; args= get_template_args tenv spec_info}
@ -411,18 +392,7 @@ module CProcname = struct
Typ.NoTemplate
let is_decl_info_generic_model {Clang_ast_t.di_attributes} =
let f = function
| Clang_ast_t.AnnotateAttr {ai_parameters= [_; name; _]}
when String.equal name "__infer_generic_model" ->
true
| _ ->
false
in
List.exists ~f di_attributes
let mk_c_function ?tenv ~is_cpp name function_decl_info_opt =
and mk_c_function ?tenv ~is_cpp name function_decl_info_opt =
let file =
match function_decl_info_opt with
| Some (decl_info, function_decl_info) -> (
@ -431,8 +401,7 @@ module CProcname = struct
(* when we model static functions, we cannot take the file into account to
create a mangled name because the file of the model is different to the real file,
thus the model won't work *)
when not
(CTrans_models.is_modelled_static_function (QualifiedCppName.to_qual_string name)) ->
when not (CTrans_models.is_modelled_static_function (QualifiedCppName.to_qual_string name)) ->
let file_opt =
(fst decl_info.Clang_ast_t.di_source_range).Clang_ast_t.sl_file
|> Option.map ~f:SourceFile.from_abs_path
@ -465,7 +434,7 @@ module CProcname = struct
else Typ.Procname.C (Typ.Procname.c name mangled template_info ~is_generic_model)
let mk_cpp_method ?tenv class_name method_name ?meth_decl mangled =
and mk_cpp_method ?tenv class_name method_name ?meth_decl mangled =
let open Clang_ast_t in
let method_kind =
match meth_decl with
@ -497,37 +466,10 @@ module CProcname = struct
(Typ.NoTemplate, false)
in
Typ.Procname.ObjC_Cpp
(Typ.Procname.ObjC_Cpp.make class_name method_name method_kind template_info
~is_generic_model)
let mk_objc_method class_typename method_name method_kind =
Typ.Procname.ObjC_Cpp
(Typ.Procname.ObjC_Cpp.make class_typename method_name method_kind Typ.NoTemplate
~is_generic_model:false)
let block_procname_with_index defining_proc i =
Config.anonymous_block_prefix ^ Typ.Procname.to_string defining_proc
^ Config.anonymous_block_num_sep ^ string_of_int i
(** Global counter for anonymous block*)
let block_counter = ref 0
let reset_block_counter () = block_counter := 0
let get_fresh_block_index () =
block_counter := !block_counter + 1 ;
!block_counter
let mk_fresh_block_procname defining_proc =
let name = block_procname_with_index defining_proc (get_fresh_block_index ()) in
Typ.Procname.mangled_objc_block name
(Typ.Procname.ObjC_Cpp.make class_name method_name method_kind template_info ~is_generic_model)
let get_class_typename ?tenv method_decl_info =
and get_class_typename ?tenv method_decl_info =
let class_ptr = Option.value_exn method_decl_info.Clang_ast_t.di_parent_pointer in
match CAst_utils.get_decl class_ptr with
| Some class_decl ->
@ -537,28 +479,14 @@ module CProcname = struct
"Expecting class declaration when getting the class typename"
module NoAstDecl = struct
let c_function_of_string ~is_cpp tenv name =
let qual_name = QualifiedCppName.of_qual_string name in
mk_c_function ~is_cpp ~tenv qual_name None
let cpp_method_of_string tenv class_name method_name =
mk_cpp_method ~tenv class_name method_name None
let objc_method_of_string_kind class_name method_name method_kind =
mk_objc_method class_name method_name method_kind
end
let objc_method_procname ?tenv decl_info method_name mdi =
and objc_method_procname ?tenv decl_info method_name mdi =
let class_typename = get_class_typename ?tenv decl_info in
let is_instance = mdi.Clang_ast_t.omdi_is_instance_method in
let method_kind = Typ.Procname.ObjC_Cpp.objc_method_kind_of_bool is_instance in
mk_objc_method class_typename method_name method_kind
let from_decl ?tenv ~is_cpp meth_decl =
and from_decl ?tenv ~is_cpp meth_decl =
let open Clang_ast_t in
match meth_decl with
| FunctionDecl (decl_info, name_info, _, fdi) ->
@ -586,6 +514,95 @@ module CProcname = struct
(Clang_ast_proj.get_decl_kind_string meth_decl)
and get_struct_methods struct_decl tenv =
let open Clang_ast_t in
List.filter_map (get_struct_decls struct_decl) ~f:(fun decl ->
match decl with
| FunctionDecl _
| CXXMethodDecl _
| CXXConstructorDecl _
| CXXConversionDecl _
| CXXDestructorDecl _
| ObjCMethodDecl _
| BlockDecl _ ->
Some (from_decl ~is_cpp:true ~tenv decl)
| _ ->
None )
and get_record_struct_type tenv definition_decl : Typ.desc =
let open Clang_ast_t in
match definition_decl with
| ClassTemplateSpecializationDecl (_, _, type_ptr, _, _, _, record_decl_info, _, _, _)
| CXXRecordDecl (_, _, type_ptr, _, _, _, record_decl_info, _)
| RecordDecl (_, _, type_ptr, _, _, _, record_decl_info)
-> (
let sil_typename = get_record_typename ~tenv definition_decl in
let sil_desc = Typ.Tstruct sil_typename in
match Tenv.lookup tenv sil_typename with
| Some _ ->
sil_desc (* just reuse what is already in tenv *)
| None ->
let is_translatable_definition =
let open Clang_ast_t in
record_decl_info.rdi_is_complete_definition
&& not record_decl_info.rdi_is_dependent_type
in
if is_translatable_definition then (
CAst_utils.update_sil_types_map type_ptr sil_desc ;
let fields = get_struct_fields tenv definition_decl in
(* Note: We treat static field same as global variables *)
let statics = [] in
let methods = get_struct_methods definition_decl tenv in
let supers = get_superclass_list_cpp tenv definition_decl in
let annots =
if Typ.Name.Cpp.is_class sil_typename then Annot.Class.cpp
else (* No annotations for structs *) Annot.Item.empty
in
Tenv.mk_struct tenv ~fields ~statics ~methods ~supers ~annots sil_typename |> ignore ;
CAst_utils.update_sil_types_map type_ptr sil_desc ;
sil_desc )
else (
(* There is no definition for that struct in whole translation unit.
Put empty struct into tenv to prevent backend problems *)
ignore (Tenv.mk_struct tenv ~fields:[] sil_typename) ;
CAst_utils.update_sil_types_map type_ptr sil_desc ;
sil_desc ) )
| _ ->
assert false
module CProcname = struct
let from_decl = from_decl
(* silly, but required to avoid circular dependencies *)
let reset_block_counter () = block_counter := 0
let block_procname_with_index defining_proc i =
Config.anonymous_block_prefix ^ Typ.Procname.to_string defining_proc
^ Config.anonymous_block_num_sep ^ string_of_int i
let mk_fresh_block_procname defining_proc =
let name = block_procname_with_index defining_proc (get_fresh_block_index ()) in
Typ.Procname.mangled_objc_block name
module NoAstDecl = struct
let c_function_of_string ~is_cpp tenv name =
let qual_name = QualifiedCppName.of_qual_string name in
mk_c_function ~is_cpp ~tenv qual_name None
let cpp_method_of_string tenv class_name method_name =
mk_cpp_method ~tenv class_name method_name None
let objc_method_of_string_kind class_name method_name method_kind =
mk_objc_method class_name method_name method_kind
end
let from_decl_for_linters ~is_cpp method_decl =
let open Clang_ast_t in
match method_decl with

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