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[Frontend][C++] Use Sil.class for C++ class/struct/union types

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Summary:
frontend and backend assume that Sil.Struct
doesn't have methods nor inheritance. In order to plug C++
classes we probably need them to be Sil.Class
master
Andrzej Kotulski 9 years ago
parent 1fcea9258a
commit e8949d16e4
5 changed files with 32 additions and 28 deletions
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2
facebook-clang-plugins

@ -1 +1 @@
Subproject commit c5d9c58940ccb7e7ae3113af9fb6c84e895e34ac
Subproject commit 7448f0c1a80b1a6f8a2e826c3acafc3df7f9621e

2
infer/src/clang/cMethod_trans.ml
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@ -45,7 +45,7 @@ let get_class_param function_method_decl_info =
if (is_instance_method function_method_decl_info false) then
match function_method_decl_info with
| Cpp_Meth_decl_info (_, class_name, _) ->
let class_type = Ast_expressions.create_struct_type class_name in
let class_type = Ast_expressions.create_class_type class_name in
[(CFrontend_config.this, class_type, None)]
| ObjC_Meth_decl_info (_, class_name) ->
let class_type = Ast_expressions.create_class_type class_name in

24
infer/src/clang/cTypes_decl.ml
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@ -78,20 +78,24 @@ let create_csu opt_type =
| _ -> assert false
(* We need to take the name out of the type as the struct can be anonymous*)
let get_record_name_csu opt_type name_info =
let name_str = name_info.Clang_ast_t.ni_name in
let get_record_name_csu decl =
let open Clang_ast_t in
let name_info, opt_type, should_be_class = match decl with
| RecordDecl (_, name_info, opt_type, _, _, _, _) -> name_info, opt_type, false
| CXXRecordDecl (_, name_info, opt_type, _, _, _, _, cxx_record_info) ->
(* we use Sil.Class for C++ because we expect Sil.Class csu from *)
(* types that have methods. And in C++ struct/class/union can have methods *)
name_info, opt_type, not cxx_record_info.xrdi_is_c_like
| _-> assert false in
let name_str = name_info.ni_name in
let csu, type_name = create_csu opt_type in
let csu' = if should_be_class then Sil.Class else csu in
let prefix = Ast_utils.get_qualifier_string name_info in
let name =
if (String.length name_str = 0) then prefix ^ type_name else prefix ^ name_str in
csu, name
csu', name
let get_record_name decl =
let name_info, opt_type = match decl with
| Clang_ast_t.RecordDecl (_, name_info, opt_type, _, _, _, _)
| Clang_ast_t.CXXRecordDecl (_, name_info, opt_type, _, _, _, _, _) -> name_info, opt_type
| _ -> assert false in
snd (get_record_name_csu opt_type name_info)
let get_record_name decl = snd (get_record_name_csu decl)
let get_method_decls parent decl_list =
let open Clang_ast_t in
@ -155,7 +159,7 @@ and get_declaration_type tenv namespace decl =
match decl with
| CXXRecordDecl (decl_info, name_info, opt_type, type_ptr, decl_list, _, record_decl_info, _)
| RecordDecl (decl_info, name_info, opt_type, type_ptr, decl_list, _, record_decl_info) ->
let csu, name = get_record_name_csu opt_type name_info in
let csu, name = get_record_name_csu decl in
let mangled_name = Mangled.from_string name in
let sil_typename = Sil.Tvar (Sil.TN_csu (csu, mangled_name)) in
(* temporarily saves the type name to avoid infinite loops in recursive types *)

6
infer/tests/codetoanalyze/cpp/frontend/types/inheritance.dot
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@ -49,7 +49,7 @@ digraph iCFG {
8 [label="8: Exit Sub_fun_redefine \n " color=yellow style=filled]
7 [label="7: Start Sub_fun_redefine\nFormals: this:struct Sub \nLocals: \n DECLARE_LOCALS(&return); [line 18]\n NULLIFY(&this,false); [line 18]\n " color=yellow style=filled]
7 [label="7: Start Sub_fun_redefine\nFormals: this:class Sub \nLocals: \n DECLARE_LOCALS(&return); [line 18]\n NULLIFY(&this,false); [line 18]\n " color=yellow style=filled]
7 -> 9 ;
@ -60,7 +60,7 @@ digraph iCFG {
5 [label="5: Exit Base_fun_redefine \n " color=yellow style=filled]
4 [label="4: Start Base_fun_redefine\nFormals: this:struct Base \nLocals: \n DECLARE_LOCALS(&return); [line 13]\n NULLIFY(&this,false); [line 13]\n " color=yellow style=filled]
4 [label="4: Start Base_fun_redefine\nFormals: this:class Base \nLocals: \n DECLARE_LOCALS(&return); [line 13]\n NULLIFY(&this,false); [line 13]\n " color=yellow style=filled]
4 -> 6 ;
@ -71,7 +71,7 @@ digraph iCFG {
2 [label="2: Exit Base_fun \n " color=yellow style=filled]
1 [label="1: Start Base_fun\nFormals: this:struct Base \nLocals: \n DECLARE_LOCALS(&return); [line 12]\n NULLIFY(&this,false); [line 12]\n " color=yellow style=filled]
1 [label="1: Start Base_fun\nFormals: this:class Base \nLocals: \n DECLARE_LOCALS(&return); [line 12]\n NULLIFY(&this,false); [line 12]\n " color=yellow style=filled]
1 -> 3 ;

26
infer/tests/codetoanalyze/cpp/frontend/types/methods.dot
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@ -1,38 +1,38 @@
digraph iCFG {
29 [label="29: Call _fun_A_fun_default \n n$2=*&a_ptr:struct A * [line 59]\n n$3=_fun_A_fun_default(n$2:struct A ,1:int ,2:int ,20:int ) [line 59]\n REMOVE_TEMPS(n$2,n$3); [line 59]\n " shape="box"]
29 [label="29: Call _fun_A_fun_default \n n$2=*&a_ptr:class A * [line 59]\n n$3=_fun_A_fun_default(n$2:class A ,1:int ,2:int ,20:int ) [line 59]\n REMOVE_TEMPS(n$2,n$3); [line 59]\n " shape="box"]
29 -> 28 ;
28 [label="28: Call _fun_A_fun_default \n n$0=*&a_ptr:struct A * [line 60]\n n$1=_fun_A_fun_default(n$0:struct A ,1:int ,10:int ,20:int ) [line 60]\n REMOVE_TEMPS(n$0,n$1); [line 60]\n NULLIFY(&a_ptr,false); [line 60]\n APPLY_ABSTRACTION; [line 60]\n " shape="box"]
28 [label="28: Call _fun_A_fun_default \n n$0=*&a_ptr:class A * [line 60]\n n$1=_fun_A_fun_default(n$0:class A ,1:int ,10:int ,20:int ) [line 60]\n REMOVE_TEMPS(n$0,n$1); [line 60]\n NULLIFY(&a_ptr,false); [line 60]\n APPLY_ABSTRACTION; [line 60]\n " shape="box"]
28 -> 27 ;
27 [label="27: Exit call_method_with_default_parameters \n " color=yellow style=filled]
26 [label="26: Start call_method_with_default_parameters\nFormals: \nLocals: a_ptr:struct A * \n DECLARE_LOCALS(&return,&a_ptr); [line 57]\n " color=yellow style=filled]
26 [label="26: Start call_method_with_default_parameters\nFormals: \nLocals: a_ptr:class A * \n DECLARE_LOCALS(&return,&a_ptr); [line 57]\n " color=yellow style=filled]
26 -> 29 ;
25 [label="25: Call _fun_A_fun \n n$2=*&a_ptr:struct A * [line 53]\n n$3=_fun_A_fun(n$2:struct A ,10:int ,20:int ) [line 53]\n REMOVE_TEMPS(n$2,n$3); [line 53]\n " shape="box"]
25 [label="25: Call _fun_A_fun \n n$2=*&a_ptr:class A * [line 53]\n n$3=_fun_A_fun(n$2:class A ,10:int ,20:int ) [line 53]\n REMOVE_TEMPS(n$2,n$3); [line 53]\n " shape="box"]
25 -> 24 ;
24 [label="24: Call _fun_A_fun_default \n n$0=*&a_ptr:struct A * [line 54]\n n$1=_fun_A_fun_default(n$0:struct A ,1:int ,2:int ,3:int ) [line 54]\n REMOVE_TEMPS(n$0,n$1); [line 54]\n NULLIFY(&a_ptr,false); [line 54]\n APPLY_ABSTRACTION; [line 54]\n " shape="box"]
24 [label="24: Call _fun_A_fun_default \n n$0=*&a_ptr:class A * [line 54]\n n$1=_fun_A_fun_default(n$0:class A ,1:int ,2:int ,3:int ) [line 54]\n REMOVE_TEMPS(n$0,n$1); [line 54]\n NULLIFY(&a_ptr,false); [line 54]\n APPLY_ABSTRACTION; [line 54]\n " shape="box"]
24 -> 23 ;
23 [label="23: Exit call_method \n " color=yellow style=filled]
22 [label="22: Start call_method\nFormals: \nLocals: a_ptr:struct A * \n DECLARE_LOCALS(&return,&a_ptr); [line 46]\n " color=yellow style=filled]
22 [label="22: Start call_method\nFormals: \nLocals: a_ptr:class A * \n DECLARE_LOCALS(&return,&a_ptr); [line 46]\n " color=yellow style=filled]
22 -> 25 ;
21 [label="21: Exit A_add \n " color=yellow style=filled]
20 [label="20: Start A_add\nFormals: this:struct A other:struct A &\nLocals: \n DECLARE_LOCALS(&return); [line 41]\n NULLIFY(&other,false); [line 41]\n NULLIFY(&this,false); [line 41]\n " color=yellow style=filled]
20 [label="20: Start A_add\nFormals: this:class A other:class A &\nLocals: \n DECLARE_LOCALS(&return); [line 41]\n NULLIFY(&other,false); [line 41]\n NULLIFY(&this,false); [line 41]\n " color=yellow style=filled]
20 -> 21 ;
@ -43,7 +43,7 @@ digraph iCFG {
18 [label="18: Exit A::AIn_fun \n " color=yellow style=filled]
17 [label="17: Start A::AIn_fun\nFormals: this:struct A::AIn a:int b:int \nLocals: \n DECLARE_LOCALS(&return); [line 37]\n NULLIFY(&this,false); [line 37]\n " color=yellow style=filled]
17 [label="17: Start A::AIn_fun\nFormals: this:class A::AIn a:int b:int \nLocals: \n DECLARE_LOCALS(&return); [line 37]\n NULLIFY(&this,false); [line 37]\n " color=yellow style=filled]
17 -> 19 ;
@ -58,14 +58,14 @@ digraph iCFG {
14 [label="14: Exit A_fun \n " color=yellow style=filled]
13 [label="13: Start A_fun\nFormals: this:struct A a:int b:int \nLocals: c:int \n DECLARE_LOCALS(&return,&c); [line 30]\n NULLIFY(&c,false); [line 30]\n NULLIFY(&this,false); [line 30]\n " color=yellow style=filled]
13 [label="13: Start A_fun\nFormals: this:class A a:int b:int \nLocals: c:int \n DECLARE_LOCALS(&return,&c); [line 30]\n NULLIFY(&c,false); [line 30]\n NULLIFY(&this,false); [line 30]\n " color=yellow style=filled]
13 -> 16 ;
12 [label="12: Exit A_fun \n " color=yellow style=filled]
11 [label="11: Start A_fun\nFormals: this:struct A a:int b:int c:int \nLocals: \n DECLARE_LOCALS(&return); [line 25]\n NULLIFY(&a,false); [line 25]\n NULLIFY(&b,false); [line 25]\n NULLIFY(&c,false); [line 25]\n NULLIFY(&this,false); [line 25]\n " color=yellow style=filled]
11 [label="11: Start A_fun\nFormals: this:class A a:int b:int c:int \nLocals: \n DECLARE_LOCALS(&return); [line 25]\n NULLIFY(&a,false); [line 25]\n NULLIFY(&b,false); [line 25]\n NULLIFY(&c,false); [line 25]\n NULLIFY(&this,false); [line 25]\n " color=yellow style=filled]
11 -> 12 ;
@ -76,7 +76,7 @@ digraph iCFG {
9 [label="9: Exit A_fun_default \n " color=yellow style=filled]
8 [label="8: Start A_fun_default\nFormals: this:struct A a:int b:int c:int \nLocals: \n DECLARE_LOCALS(&return); [line 20]\n NULLIFY(&this,false); [line 20]\n " color=yellow style=filled]
8 [label="8: Start A_fun_default\nFormals: this:class A a:int b:int c:int \nLocals: \n DECLARE_LOCALS(&return); [line 20]\n NULLIFY(&this,false); [line 20]\n " color=yellow style=filled]
8 -> 10 ;
@ -91,7 +91,7 @@ digraph iCFG {
5 [label="5: Exit A_def_in \n " color=yellow style=filled]
4 [label="4: Start A_def_in\nFormals: this:struct A \nLocals: c:int \n DECLARE_LOCALS(&return,&c); [line 17]\n NULLIFY(&c,false); [line 17]\n NULLIFY(&this,false); [line 17]\n " color=yellow style=filled]
4 [label="4: Start A_def_in\nFormals: this:class A \nLocals: c:int \n DECLARE_LOCALS(&return,&c); [line 17]\n NULLIFY(&c,false); [line 17]\n NULLIFY(&this,false); [line 17]\n " color=yellow style=filled]
4 -> 7 ;
@ -102,7 +102,7 @@ digraph iCFG {
2 [label="2: Exit A::AIn_fun1 \n " color=yellow style=filled]
1 [label="1: Start A::AIn_fun1\nFormals: this:struct A::AIn \nLocals: \n DECLARE_LOCALS(&return); [line 13]\n NULLIFY(&this,false); [line 13]\n " color=yellow style=filled]
1 [label="1: Start A::AIn_fun1\nFormals: this:class A::AIn \nLocals: \n DECLARE_LOCALS(&return); [line 13]\n NULLIFY(&this,false); [line 13]\n " color=yellow style=filled]
1 -> 3 ;

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