| _ -> raise Impossible
(*---------------------------------------------------------------------------*)
+let one_initialisation_to_affectation x =
+ let ({B.v_namei = var;
+ B.v_type = returnType;
+ B.v_type_bis = tybis;
+ B.v_storage = storage;
+ B.v_local = local},
+ iisep) = x in
+ match var with
+ | Some (name, iniopt) ->
+ (match iniopt with
+ | Some (iini, (B.InitExpr e, ii_empty2)) ->
+ let local =
+ match local with
+ Ast_c.NotLocalDecl -> Ast_c.NotLocalVar
+ | Ast_c.LocalDecl ->
+ Ast_c.LocalVar (Ast_c.info_of_type returnType) in
+ let typexp =
+ (* old: Lib_parsing_c.al_type returnType
+ * but this type has not the typename completed so
+ * instead try to use tybis
+ *)
+ match !tybis with
+ | Some ty_with_typename_completed -> ty_with_typename_completed
+ | None -> raise Impossible
+ in
+
+ let typ = ref (Some (typexp,local), Ast_c.NotTest) in
+ let ident = name in
+ let idexpr = Ast_c.mk_e_bis (B.Ident ident) typ Ast_c.noii in
+ let assign =
+ Ast_c.mk_e (B.Assignment (idexpr,B.SimpleAssign, e)) [iini] in
+ Some assign
+ | _ -> None)
+ | _ -> None
+
let initialisation_to_affectation decl =
match decl with
| B.MacroDecl _ -> F.Decl decl
(* todo?: should not do that if the variable is an array cos
* will have x[] = , mais de toute facon ca sera pas un InitExp
*)
- (match xs with
- | [] -> raise Impossible
- | [x] ->
- let ({B.v_namei = var;
- B.v_type = returnType;
- B.v_type_bis = tybis;
- B.v_storage = storage;
- B.v_local = local},
- iisep) = x in
-
-
-
- (match var with
- | Some (name, iniopt) ->
- (match iniopt with
- | Some (iini, (B.InitExpr e, ii_empty2)) ->
-
- let local =
- match local with
- Ast_c.NotLocalDecl -> Ast_c.NotLocalVar
- | Ast_c.LocalDecl ->
- Ast_c.LocalVar (Ast_c.info_of_type returnType) in
-
- let typexp =
- (* old: Lib_parsing_c.al_type returnType
- * but this type has not the typename completed so
- * instead try to use tybis
- *)
- match !tybis with
- | Some ty_with_typename_completed ->
- ty_with_typename_completed
- | None -> raise Impossible
- in
-
- let typ =
- ref (Some (typexp,local),
- Ast_c.NotTest) in
- let ident = name in
- let idexpr =
- Ast_c.mk_e_bis (B.Ident (ident)) typ Ast_c.noii
- in
- let assign =
- Ast_c.mk_e
- (B.Assignment (idexpr,B.SimpleAssign, e)) [iini] in
- F.DefineExpr assign
-
- | _ -> F.Decl decl
- )
- | _ -> F.Decl decl
- )
- | x::xs ->
- pr2_once "TODO: initialisation_to_affectation for multi vars";
- (* todo? do a fold_left and generate 'x = a, y = b' etc, use
- * the Sequence expression operator of C and make an
- * ExprStatement from that.
- *)
- F.Decl decl
- )
-
-
-
-
+ let possible_assignment =
+ List.fold_left
+ (function prev ->
+ function x ->
+ match prev,one_initialisation_to_affectation x with
+ _,None -> prev
+ | None,Some x -> Some x
+ | Some prev,Some x ->
+ (* [] is clearly an invalid ii value for a sequence.
+ hope that no one looks at it, since nothing will
+ match the sequence. Fortunately, SmPL doesn't
+ support , expressions. *)
+ Some (Ast_c.mk_e (Ast_c.Sequence (prev, x)) []))
+ None xs in
+ match possible_assignment with
+ Some x -> F.DefineExpr x
+ | None -> F.Decl decl
(*****************************************************************************)
(* Functor parameter combinators *)
| Type_cocci.Array a, (qub, (B.Array (eopt, b),ii)) ->
(* no size info for cocci *)
loop (a,b)
- | Type_cocci.StructUnionName (sua, _, sa),
+ | Type_cocci.StructUnionName (sua, name),
(qub, (B.StructUnionName (sub, sb),ii)) ->
- if equal_structUnion_type_cocci sua sub && sa =$= sb
- then ok
- else fail
- | Type_cocci.EnumName (_, sa),
- (qub, (B.EnumName (sb),ii)) ->
- if sa =$= sb
- then ok
+ if equal_structUnion_type_cocci sua sub
+ then structure_type_name name sb ii
else fail
+ | Type_cocci.EnumName (name),
+ (qub, (B.EnumName (sb),ii)) -> structure_type_name name sb ii
| Type_cocci.TypeName sa, (qub, (B.TypeName (namesb, _typb),noii)) ->
let sb = Ast_c.str_of_name namesb in
if sa =$= sb
(* kind of typedef iso *)
loop (a,b)
-
-
-
-
(* for metavariables of type expression *^* *)
| Type_cocci.Unknown , _ -> ok
),
_))) -> fail
+and structure_type_name nm sb ii =
+ match nm with
+ Type_cocci.NoName -> ok
+ | Type_cocci.Name sa ->
+ if sa =$= sb
+ then ok
+ else fail
+ | Type_cocci.MV(ida,keep,inherited) ->
+ (* degenerate version of MetaId, no transformation possible *)
+ let (ib1, ib2) = tuple_of_list2 ii in
+ let max_min _ = Lib_parsing_c.lin_col_by_pos [ib2] in
+ let mida = A.make_mcode ida in
+ X.envf keep inherited (mida, B.MetaIdVal (sb,[]), max_min)
+ (fun () -> ok)
in
loop (a,b)
HCoop / bpt / coccinelle.git / blobdiff