Extending type parser to parse ObjC classes.

Reviewed By: dulmarod

Differential Revision: D5052238

fbshipit-source-id: b678c32

infer/src/clang/ALVar.ml

@@ -72,6 +72,27 @@ let is_mode_keyword k =
   | Mode -> true
   | _ -> false
 
+(* true if and only if a substring of container matches the regular
+   expression defined by contained
+*)
+let str_match_regex container re =
+  let rexp = Str.regexp re in
+  try
+    Str.search_forward rexp container 0 >= 0
+  with Not_found -> false
+
+let compare_str_with_alexp s ae =
+  match ae with
+  | Const s'
+  | Var s' ->
+      String.equal s s'
+  | Regexp re ->
+      str_match_regex s re
+  | _ ->
+      Logging.out "[WARNING]: ALVAR expression '%s' is not a constant/var or regexp\n"
+        (alexp_to_string ae);
+      false
+
 
 module FormulaIdMap = Caml.Map.Make (
   struct

infer/src/clang/ALVar.mli

@@ -43,4 +43,6 @@ val is_severity_keyword : keyword -> bool
 
 val is_mode_keyword : keyword -> bool
 
+val compare_str_with_alexp : string -> alexp -> bool
+
 module FormulaIdMap : Caml.Map.S with type key = formula_id

infer/src/clang/cPredicates.ml

@@ -11,6 +11,8 @@ open! IStd
 open Lexing
 open Types_lexer
 
+let parsed_type_map : Ctl_parser_types.abs_ctype String.Map.t ref = ref String.Map.empty
+
 let get_available_attr_ios_sdk an =
   let open Clang_ast_t in
   let rec get_available_attr attrs =
@@ -60,24 +62,6 @@ let captured_variables_cxx_ref an =
 
 type t = ALVar.formula_id * ALVar.alexp list(* (name, [param1,...,paramK]) *)
 
-(* true if and only if a substring of container matches the regular
-   expression defined by contained
-*)
-let str_match_regex container re =
-  let rexp = Str.regexp re in
-  try
-    Str.search_forward rexp container 0 >= 0
-  with Not_found -> false
-
-let compare_str_with_alexp s ae =
-  match ae with
-  | ALVar.Const s' ->
-      String.equal s s'
-  | ALVar.Regexp re -> str_match_regex s re
-  | _ ->
-      Logging.out "[WARNING]: ALVAR expression '%s' is not a constant or regexp\n"
-        (ALVar.alexp_to_string ae);
-      false
 
 let pp_predicate fmt (_name, _arglist) =
   let name = ALVar.formula_id_to_string _name in
@@ -88,7 +72,7 @@ let pp_predicate fmt (_name, _arglist) =
 let is_objc_interface_named an expected_name =
   match an with
   | Ctl_parser_types.Decl Clang_ast_t.ObjCInterfaceDecl(_, ni, _, _, _) ->
-      compare_str_with_alexp ni.ni_name expected_name
+      ALVar.compare_str_with_alexp ni.ni_name expected_name
   | _ -> false
 
 (* checkes whether an object is of a certain class *)
@@ -108,7 +92,7 @@ let is_object_of_class_named receiver cname =
 let call_method an m =
   match an with
   | Ctl_parser_types.Stmt (Clang_ast_t.ObjCMessageExpr (_, _, _, omei)) ->
-      compare_str_with_alexp omei.omei_selector m
+      ALVar.compare_str_with_alexp omei.omei_selector m
   | _ -> false
 
 let is_receiver_kind_class omei cname =
@@ -119,7 +103,7 @@ let is_receiver_kind_class omei cname =
        | Some ObjCInterfaceType (_, ptr) ->
            (match CAst_utils.get_decl ptr with
             | Some ObjCInterfaceDecl (_, ndi, _, _, _) ->
-                compare_str_with_alexp ndi.ni_name cname
+                ALVar.compare_str_with_alexp ndi.ni_name cname
             | _ -> false)
        | _ -> false)
   | _ -> false
@@ -128,7 +112,7 @@ let call_class_method an cname mname =
   match an with
   | Ctl_parser_types.Stmt (Clang_ast_t.ObjCMessageExpr (_, _, _, omei)) ->
       is_receiver_kind_class omei cname &&
-      compare_str_with_alexp omei.omei_selector mname
+      ALVar.compare_str_with_alexp omei.omei_selector mname
   | _ -> false
 
 (* an is a node calling method whose name contains mname of a
@@ -138,7 +122,7 @@ let call_instance_method an cname mname =
   match an with
   | Ctl_parser_types.Stmt (Clang_ast_t.ObjCMessageExpr (_, receiver :: _, _, omei)) ->
       is_object_of_class_named receiver cname &&
-      compare_str_with_alexp omei.omei_selector mname
+      ALVar.compare_str_with_alexp omei.omei_selector mname
   | _ -> false
 
 let is_objc_extension lcxt =
@@ -159,7 +143,7 @@ let decl_ref_name ?kind name st =
   | Clang_ast_t.DeclRefExpr (_, _, _, drti) ->
       (match drti.drti_decl_ref with
        | Some dr -> let ndi, _, _ = CAst_utils.get_info_from_decl_ref dr in
-           let has_right_name = compare_str_with_alexp ndi.ni_name name in
+           let has_right_name = ALVar.compare_str_with_alexp ndi.ni_name name in
            (match kind with
             | Some decl_kind ->
                 has_right_name && PVariant.(=) dr.Clang_ast_t.dr_kind decl_kind
@@ -271,7 +255,7 @@ let is_binop_with_kind an alexp_kind =
     failwith ("Binary operator kind " ^ str_kind ^ " is not valid");
   match an with
   | Ctl_parser_types.Stmt (Clang_ast_t.BinaryOperator (_, _, _, boi)) ->
-      compare_str_with_alexp (Clang_ast_proj.string_of_binop_kind boi.boi_kind) alexp_kind
+      ALVar.compare_str_with_alexp (Clang_ast_proj.string_of_binop_kind boi.boi_kind) alexp_kind
   | _ -> false
 
 let is_unop_with_kind an alexp_kind =
@@ -280,7 +264,7 @@ let is_unop_with_kind an alexp_kind =
     failwith ("Unary operator kind " ^ str_kind ^ " is not valid");
   match an with
   | Ctl_parser_types.Stmt (Clang_ast_t.UnaryOperator (_, _, _, uoi)) ->
-      compare_str_with_alexp (Clang_ast_proj.string_of_unop_kind uoi.uoi_kind) alexp_kind
+      ALVar.compare_str_with_alexp (Clang_ast_proj.string_of_unop_kind uoi.uoi_kind) alexp_kind
   | _ -> false
 
 let is_node an nodename =
@@ -290,7 +274,7 @@ let is_node an nodename =
   let an_str = match an with
     | Ctl_parser_types.Stmt s -> Clang_ast_proj.get_stmt_kind_string s
     | Ctl_parser_types.Decl d -> Clang_ast_proj.get_decl_kind_string d in
-  compare_str_with_alexp an_str nodename
+  ALVar.compare_str_with_alexp an_str nodename
 
 let is_ptr_to_objc_class typ class_name =
   match typ with
@@ -299,7 +283,7 @@ let is_ptr_to_objc_class typ class_name =
        | Some ObjCInterfaceType (_, ptr) ->
            (match CAst_utils.get_decl ptr with
             | Some ObjCInterfaceDecl (_, ndi, _, _, _) ->
-                compare_str_with_alexp ndi.ni_name class_name
+                ALVar.compare_str_with_alexp ndi.ni_name class_name
             | _ -> false)
        | _ -> false)
   | _ -> false
@@ -320,7 +304,7 @@ let declaration_has_name an name =
   match an with
   | Ctl_parser_types.Decl d ->
       (match Clang_ast_proj.get_named_decl_tuple d with
-       | Some (_, ndi) -> compare_str_with_alexp ndi.ni_name name
+       | Some (_, ndi) -> ALVar.compare_str_with_alexp ndi.ni_name name
        | _ -> false)
   | _ -> false
 
@@ -352,8 +336,10 @@ let type_ptr_equal_type type_ptr type_str =
     let pos = lexbuf.lex_curr_p in
     pos.pos_fname ^ ":" ^ (string_of_int pos.pos_lnum) ^ ":" ^
     (string_of_int  (pos.pos_cnum - pos.pos_bol + 1)) in
-  let lexbuf = Lexing.from_string type_str in
-  let abs_ctype = try
+
+  let parse_type_string str =
+    let lexbuf = Lexing.from_string str in
+    try
       (Types_parser.abs_ctype token lexbuf)
     with
     | Ctl_parser_types.ALParsingException s ->
@@ -363,9 +349,15 @@ let type_ptr_equal_type type_ptr type_str =
     | Types_parser.Error ->
         raise (Ctl_parser_types.ALParsingException
                  ("SYNTAX ERROR at " ^ (pos_str lexbuf))) in
+  let abs_ctype =
+    match String.Map.find !parsed_type_map type_str with
+    | Some abs_ctype' -> abs_ctype'
+    | None -> let abs_ctype' = parse_type_string type_str in
+        parsed_type_map := String.Map.add !parsed_type_map ~key:type_str ~data:abs_ctype';
+        abs_ctype' in
   match CAst_utils.get_type type_ptr with
   | Some c_type' ->
-      Ctl_parser_types.tmp_c_type_equal c_type' abs_ctype
+      Ctl_parser_types.c_type_equal c_type' abs_ctype
   | _ -> Logging.out "Couldn't find type....\n"; false
 
 let has_type an _typ =

infer/src/clang/ctl_parser_types.ml

@@ -116,17 +116,72 @@ let builtin_kind_to_string t =
 type abs_ctype =
   | BuiltIn of builtin_kind
   | Pointer of abs_ctype
+  | TypeName of ALVar.alexp
 
+let display_equality_warning () =
+  Logging.out
+    "[WARNING:] Type Comparison failed... \
+     This might indicate that the types are different or the specified type \
+     is internally represented in a different way and therefore not recognized.\n"
 
 let rec abs_ctype_to_string t =
   match t with
   | BuiltIn t' -> "BuiltIn (" ^ (builtin_kind_to_string t') ^ ")"
   | Pointer t' -> "Pointer (" ^ (abs_ctype_to_string t') ^ ")"
+  | TypeName ae -> "TypeName (" ^ (ALVar.alexp_to_string ae) ^ ")"
+
+
+let builtin_equal bi abi =
+  match bi, abi with
+  | `Char_U, Char_U
+  | `Char_S, Char_U
+  | `Char16, Char16
+  | `Char32, Char32
+  | `WChar_U, WChar_U
+  | `WChar_S, WChar_U
+  | `Bool, Bool
+  | `Short, Short
+  | `Int, Int
+  | `Long, Long
+  | `Float, Float
+  | `Double, Double
+  | `Void, Void
+  | `SChar, SChar
+  | `LongLong, LongLong
+  | `UChar, UChar
+  | `UShort, UShort
+  | `UInt, UInt
+  | `ULong, ULong
+  | `ULongLong, ULongLong
+  | `LongDouble, LongDouble
+  | `Int128, Int128
+  | `UInt128, UInt128
+  | `Float128, Float128
+  | `NullPtr, NullPtr
+  | `ObjCId, ObjCId
+  | `ObjCClass, ObjCClass
+  | `ObjCSel, ObjCSel
+  | `Half, Half -> true
+  | _, _ -> display_equality_warning ();
+      false
+
+let rec pointer_type_equal p ap =
+  let open Clang_ast_t in
+  match p, ap with
+  | PointerType (_, qt), Pointer abs_ctype'
+  | ObjCObjectPointerType (_, qt), Pointer abs_ctype' ->
+      (match CAst_utils.get_type qt.qt_type_ptr with
+       | Some c_type' ->
+           c_type_equal c_type' abs_ctype'
+       | None -> false)
+  | _, _ -> display_equality_warning ();
+      false
+
 
 (* Temporary, partial equality function. Cover only what's covered
    by the types_parser. It needs to be replaced by a real
    comparison function for Clang_ast_t.c_type *)
-let rec tmp_c_type_equal c_type abs_ctype =
+and c_type_equal c_type abs_ctype =
   Logging.out
     "Comparing c_type/abs_ctype for equality... \
      Type compared: \nc_type = `%s`  \nabs_ctype =`%s`\n"
@@ -134,45 +189,19 @@ let rec tmp_c_type_equal c_type abs_ctype =
     (abs_ctype_to_string abs_ctype);
   let open Clang_ast_t in
   match c_type, abs_ctype with
-  | BuiltinType (_ , `Char_U), BuiltIn (Char_U)
-  | BuiltinType (_ , `Char_S), BuiltIn (Char_U)
-  | BuiltinType (_, `Char16), BuiltIn (Char16)
-  | BuiltinType (_, `Char32), BuiltIn (Char32)
-  | BuiltinType (_, `WChar_U), BuiltIn (WChar_U)
-  | BuiltinType (_, `WChar_S), BuiltIn (WChar_U)
-  | BuiltinType (_, `Bool), BuiltIn (Bool)
-  | BuiltinType (_, `Short), BuiltIn (Short)
-  | BuiltinType (_, `Int), BuiltIn (Int)
-  | BuiltinType (_, `Long), BuiltIn (Long)
-  | BuiltinType (_, `Float), BuiltIn (Float)
-  | BuiltinType (_, `Double), BuiltIn (Double)
-  | BuiltinType (_, `Void), BuiltIn (Void)
-  | BuiltinType (_, `SChar), BuiltIn (SChar)
-  | BuiltinType (_, `LongLong), BuiltIn (LongLong)
-  | BuiltinType (_, `UChar), BuiltIn (UChar)
-  | BuiltinType (_, `UShort), BuiltIn (UShort)
-  | BuiltinType (_, `UInt), BuiltIn (UInt)
-  | BuiltinType (_, `ULong), BuiltIn (ULong)
-  | BuiltinType (_, `ULongLong), BuiltIn (ULongLong)
-  | BuiltinType (_, `LongDouble), BuiltIn (LongDouble)
-  | BuiltinType (_, `Int128), BuiltIn (Int128)
-  | BuiltinType (_, `UInt128), BuiltIn (UInt128)
-  | BuiltinType (_, `Float128), BuiltIn (Float128)
-  | BuiltinType (_, `NullPtr), BuiltIn (NullPtr)
-  | BuiltinType (_, `ObjCId), BuiltIn (ObjCId)
-  | BuiltinType (_, `ObjCClass), BuiltIn (ObjCClass)
-  | BuiltinType (_, `ObjCSel), BuiltIn (ObjCSel)
-  | BuiltinType (_, `Half), BuiltIn (Half) -> true
-  | PointerType (_, qt), Pointer abs_ctype' ->
-      (match CAst_utils.get_type qt.qt_type_ptr with
-       | Some c_type' ->
-           tmp_c_type_equal c_type' abs_ctype'
+  | BuiltinType (_ , bi), BuiltIn abi ->
+      builtin_equal bi abi
+  | PointerType _, Pointer _
+  | ObjCObjectPointerType _, Pointer _ ->
+      pointer_type_equal c_type abs_ctype
+  | ObjCInterfaceType (_, pointer), TypeName ae ->
+      (match CAst_utils.get_decl pointer with
+       | Some decl ->
+           (match Clang_ast_proj.get_named_decl_tuple decl with
+            | Some (_, name_decl) -> ALVar.compare_str_with_alexp name_decl.ni_name ae
             | None -> false)
-  | _, _ ->
-      Logging.out
-        "[WARNING:] Type Comparison failed... \
-         This might indicate that the types are different or the specified type \
-         is internally represented in a different way and therefore not recognized.\n";
+       | _ -> false)
+  | _, _ -> display_equality_warning ();
       false
 
 (* to be extended with more types *)

infer/src/clang/ctl_parser_types.mli

@@ -64,7 +64,8 @@ type builtin_kind =
 type abs_ctype =
   | BuiltIn of builtin_kind
   | Pointer of abs_ctype
+  | TypeName of ALVar.alexp
 
-val tmp_c_type_equal : Clang_ast_t.c_type -> abs_ctype -> bool
+val c_type_equal : Clang_ast_t.c_type -> abs_ctype -> bool
 
 val abs_ctype_to_string : abs_ctype -> string

infer/src/clang/types_lexer.mll

@@ -54,5 +54,23 @@ rule token = parse
   | "Class" { OBJCCLASS }
   | "SEL" { OBJCSEL }
   | "*" { STAR }
+  | "REGEXP" { REGEXP }
+  | "(" { LEFT_PAREN }
+  | ")" { RIGHT_PAREN }
+  | id { IDENTIFIER (Lexing.lexeme lexbuf) }
+  | ''' { read_string (Buffer.create 80) lexbuf }
   | _ { raise (SyntaxError ("Unexpected char: '" ^ (Lexing.lexeme lexbuf) ^"'")) }
   | eof { EOF }
+
+  and read_string buf = parse
+  | ''' { REARG (Buffer.contents buf) }
+  | '\\' '/' { Buffer.add_char buf '/'; read_string buf lexbuf }
+  | '\\' '\\' { Buffer.add_char buf '\\'; read_string buf lexbuf }
+  | '\\' 'b' { Buffer.add_char buf '\b'; read_string buf lexbuf }
+  | '\\' 'f' { Buffer.add_char buf '\012'; read_string buf lexbuf }
+  | '\\' 'n' { Buffer.add_char buf '\n'; read_string buf lexbuf }
+  | '\\' 'r' { Buffer.add_char buf '\r'; read_string buf lexbuf }
+  | '\\' 't' { Buffer.add_char buf '\t'; read_string buf lexbuf }
+  | [^ '\'' '\\']+ { Buffer.add_string buf (Lexing.lexeme lexbuf); read_string buf lexbuf }
+  | _ { raise (SyntaxError ("Illegal string character: " ^ Lexing.lexeme lexbuf)) }
+  | eof { raise (SyntaxError ("String is not terminated")) }

infer/src/clang/types_parser.mly

@@ -54,7 +54,12 @@
 %token OBJCSEL
 %token STAR
 %token EOF
-
+%token REGEXP
+%token LEFT_PAREN
+%token RIGHT_PAREN
+%token <string> IDENTIFIER
+%token <string> STRING
+%token <string> REARG
 
 %start <Ctl_parser_types.abs_ctype> abs_ctype
 %%
@@ -69,13 +74,18 @@ abs_ctype:
 ctype_specifier_seq:
 | noptr_type_spec  { $1 }
 | ptr_type_spec  { $1 }
+| type_name { $1 }
 ;
 
 ptr_type_spec:
 | noptr_type_spec STAR { Pointer $1 }
 | ptr_type_spec STAR { Pointer $1 }
+| type_name STAR { Pointer $1 }
 ;
 
+type_name:
+  | alexp { TypeName $1 }
+
 noptr_type_spec:
   | trailing_type_specifier_seq
     { let atyp = tokens_to_abs_types $1 in
@@ -117,4 +127,13 @@ simple_type_specifier:
   | OBJCSEL { ObjCSel }
   ;
 
+  alexp:
+   | STRING { Logging.out "\tParsed string constant '%s' \n" $1;
+              ALVar.Const $1 }
+   | REGEXP LEFT_PAREN REARG RIGHT_PAREN
+            { Logging.out "\tParsed regular expression '%s' \n" $3;
+              ALVar.Regexp $3 }
+   | IDENTIFIER { ALVar.Var $1 }
+   ;
+
 %%

infer/tests/codetoanalyze/objc/linters-for-test-only/issues.exp

@@ -29,24 +29,26 @@ codetoanalyze/objc/linters-for-test-only/subclassing.m, Linters_dummy_method, 53
 codetoanalyze/objc/linters-for-test-only/subclassing.m, Linters_dummy_method, 53, IMPORTED_MACRO_SUBCLASS, []
 codetoanalyze/objc/linters-for-test-only/subclassing.m, Linters_dummy_method, 53, LOCAL_MACRO_SUBCLASS, []
 codetoanalyze/objc/linters-for-test-only/subclassing.m, Linters_dummy_method, 53, SUBCLASSING_TEST_EXAMPLE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m1, 67, TEST_BUILTIN_TYPE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m10, 76, TEST_BUILTIN_TYPE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m11, 77, TEST_BUILTIN_TYPE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m12, 78, TEST_BUILTIN_TYPE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m13, 79, TEST_BUILTIN_TYPE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m14, 80, TEST_BUILTIN_TYPE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m15, 81, TEST_BUILTIN_TYPE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m15, 81, TEST_RETURN_METHOD, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m16, 82, TEST_BUILTIN_TYPE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m17, 83, TEST_BUILTIN_TYPE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m2, 68, TEST_BUILTIN_TYPE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m20, 85, TEST_BUILTIN_TYPE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m21, 86, TEST_BUILTIN_TYPE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m22, 87, TEST_BUILTIN_TYPE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m23, 93, TEST_BUILTIN_TYPE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m24, 94, TEST_BUILTIN_TYPE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m3, 69, TEST_BUILTIN_TYPE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m4, 70, TEST_BUILTIN_TYPE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m7, 73, TEST_BUILTIN_TYPE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m8, 74, TEST_BUILTIN_TYPE, []
-codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m9, 75, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m1, 73, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m10, 82, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m11, 83, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m12, 84, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m13, 85, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m14, 86, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m15, 87, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m15, 87, TEST_RETURN_METHOD, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m16, 88, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m17, 89, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m2, 74, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m20, 91, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m21, 92, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m22, 93, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m23, 99, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m24, 100, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m25, 101, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m26, 102, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m3, 75, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m4, 76, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m7, 79, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m8, 80, TEST_BUILTIN_TYPE, []
+codetoanalyze/objc/linters-for-test-only/subclassing.m, TestType_m9, 81, TEST_BUILTIN_TYPE, []

infer/tests/codetoanalyze/objc/linters-for-test-only/linters_example.al

@@ -126,6 +126,8 @@ DEFINE-CHECKER TEST_BUILTIN_TYPE = {
           OR method_return_type("SEL")
           OR method_return_type("float *")
           OR method_return_type("unsigned int **")
+          OR method_return_type("A*")
+          OR method_return_type("REGEXP('This.+')*" )
         HOLDS-IN-NODE ObjCMethodDecl;
 
   SET message = "Method return.....";

infer/tests/codetoanalyze/objc/linters-for-test-only/subclassing.m

@@ -62,6 +62,12 @@
 @implementation F
 @end
 
+@interface ThisIsAVeryLongName : NSObject
+@end
+
+@implementation ThisIsAVeryLongName
+@end
+
 @interface TestType : NSObject
 
 - (void)m1;
@@ -92,5 +98,6 @@
 //- (SEL) m27;
 - (float*)m23;
 - (unsigned int**)m24;
-
+- (A*)m25;
+- (ThisIsAVeryLongName*)m26;
 @end