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-rw-r--r--src/typing.ml52
1 files changed, 28 insertions, 24 deletions
diff --git a/src/typing.ml b/src/typing.ml
index 7a76b69..56942f1 100644
--- a/src/typing.ml
+++ b/src/typing.ml
@@ -395,9 +395,9 @@ and compute_type env e =
| Some k ->
begin try
let proto = closest_proto env.b_pe args_types (find_protos_in_class env.b_pe k.tc_name i) in
- let upcasted = if proto.tp_virtual = None then e_this_not_ptr
- else upcast env.b_pe e_this_not_ptr
- (TClass (match proto.tp_class with | None -> assert false | Some k -> k)) in
+ let upcasted =
+ upcast env.b_pe e_this_not_ptr
+ (TClass (match proto.tp_class with | None -> assert false | Some k -> k)) in
Some upcasted, proto
with NoCorrespondingPrototype ->
None, closest_proto env.b_pe args_types funs
@@ -408,9 +408,9 @@ and compute_type env e =
begin match e.type_expr with
| TClass(k), a, b when a || b ->
let proto = closest_proto env.b_pe args_types (find_protos_in_class env.b_pe k i) in
- let upcasted = if proto.tp_virtual = None then e
- else upcast env.b_pe e
- (TClass (match proto.tp_class with | None -> assert false | Some k -> k)) in
+ let upcasted =
+ upcast env.b_pe e
+ (TClass (match proto.tp_class with | None -> assert false | Some k -> k)) in
Some upcasted, proto
| _ -> ty_error "Invalid argument type for method call (not a class, or not a lvalue)"
end
@@ -420,9 +420,8 @@ and compute_type env e =
let sc = try find_cls_superclass env.b_pe k.tc_name c
with Not_found -> ty_error (c ^ " is no superclass of current class " ^ k.tc_name) in
let proto = closest_proto env.b_pe args_types (find_protos_in_class env.b_pe sc.h_class i) in
- let upcasted = if proto.tp_virtual = None
- then upcast env.b_pe e_this_not_ptr (TClass(c))
- else upcast env.b_pe e_this_not_ptr
+ let upcasted =
+ upcast env.b_pe e_this_not_ptr
(TClass (match proto.tp_class with | None -> assert false | Some k -> k)) in
Some upcasted, proto
| None -> ty_error "Qualified identifier in a function belonging to no class."
@@ -585,17 +584,18 @@ let parse_args env a =
let rec aux = function
| [] -> ()
| p::q -> ty_assert (not (List.mem p q)) ("Argument name appears twice : " ^ p); aux q
- in aux (List.map snd args);
- args
+ in
+ aux (List.map snd args);
+ args
let get_fun env p b = (* p : proto b : block -> tp, tb, env2*)
assert (p.p_class = None);
let name = p.p_name in
- let ty_args = parse_args env p.p_args in
+ let args = parse_args env p.p_args in
(* Check there is not already a function with similar prototype *)
- let args_type = List.map fst ty_args in
+ let args_types = List.map fst args in
ty_assert (not (List.exists
- (fun p -> p.tp_name = name && (List.map fst p.tp_args) = args_type) env.e_funs))
+ (fun p -> p.tp_name = name && (List.map fst p.tp_args) = args_types) env.e_funs))
("Redefinition of function: " ^ name);
let ret_type = build_type_or_ref
@@ -610,13 +610,13 @@ let get_fun env p b = (* p : proto b : block -> tp, tb, env2*)
tp_class = None ;
tp_virtual = None ;
tp_ret_type = Some ret_type ;
- tp_args = ty_args; } in
+ tp_args = args; } in
let env2 = { env with e_funs = tproto::(env.e_funs) } in
(* Build local env *)
let locales = List.fold_left (* tr = (ty,ref?) *)
- (fun envir (tr,i) -> Smap.add i tr envir)
+ (fun envir (tr, i) -> Smap.add i tr envir)
Smap.empty
- ty_args
+ args
in (* contexte ds l'instruction *)
let contexte = { b_pe = env2; b_locals = locales; b_class = None } in
let tb = get_block ret_type contexte b in (* vérif instructions typées*)
@@ -668,9 +668,10 @@ let compute_tclass env c =
ty_assert (proto.p_ret_type <> None || proto.p_name = cls_name) "Invalid name for constructor";
(* Make sure prototype is well formed *)
let args = parse_args forward_env proto.p_args in
+ let args_types = List.map fst args in
(* Make sure method is compatible with other declarations in this class *)
ty_assert (not (List.exists
- (fun p -> p.tp_name = proto.p_name && (List.map fst p.tp_args) = (List.map fst args)) meth))
+ (fun p -> p.tp_name = proto.p_name && (List.map fst p.tp_args) = args_types) meth))
("Redefinition of function " ^ proto.p_name ^ " with same argument types.");
(* Check return type *)
let ret_type = match proto.p_ret_type with
@@ -693,7 +694,7 @@ let compute_tclass env c =
| Some k -> Some k
| None ->
List.fold_left (fun f (i, p) ->
- if (p.tp_name = proto.p_name && (List.map fst p.tp_args) = (List.map fst args))
+ if (p.tp_name = proto.p_name && (List.map fst p.tp_args) = args_types)
then Some (s, i)
else f) None s.h_vtable
in let super = match check_in_super hier with
@@ -758,21 +759,24 @@ let get_method env proto block = (* return : TDFunction *)
| Some(cls_name) ->
try let c = get_c env cls_name in
let args = parse_args env proto.p_args in
+ let args_types = List.map fst args in
let ret_type = match proto.p_ret_type with
| Some k -> Some (build_type_or_ref k)
| None -> None in
(* Find prototype in class *)
begin try let cproto = List.find
- (fun p -> p.tp_args = args && p.tp_ret_type = ret_type && p.tp_name = proto.p_name) c.tc_methods
+ (fun p -> (List.map fst p.tp_args) = args_types
+ && p.tp_ret_type = ret_type
+ && p.tp_name = proto.p_name) c.tc_methods
in
let locals = List.fold_left
- (fun env (tr, i) -> Smap.add i tr env) Smap.empty args in
+ (fun env (ty, i) -> Smap.add i ty env) Smap.empty args in
let contexte = {
b_pe = env;
b_locals = locals;
b_class = Some c; } in
let tb = get_block (match ret_type with | None -> T_Void, false | Some k -> k) contexte block in
- cproto, tb
+ { cproto with tp_args = args }, tb
with
| Not_found -> ty_error ("Implementation corresponds to no declared method of class " ^ cls_name)
end
@@ -793,14 +797,14 @@ let compute_decl env d =
{ env with e_globals = (Smap.add i tr env.e_globals); }
(* on voudrait une liste de ident pr decl plsr en meme temps *)
| DFunction (p,b) ->
- ty_assert (not (Smap.mem p.p_name env.e_globals)) ("Redeclaration of: " ^ p.p_name ^ ", was previously a global variable");
begin match p.p_class with
| None ->
+ ty_assert (not (Smap.mem p.p_name env.e_globals)) ("Redeclaration of: " ^ p.p_name ^ ", was previously a global variable");
let tp, tb, env2 = get_fun env p b in
TDFunction(tp, tb), env2
| Some _ ->
let tp, tb = get_method env p b in
- (TDFunction(tp, tb)), env(* env is not modified *)
+ (TDFunction(tp, tb)), env (* env is not modified *)
end
| DClass c ->
let tc = compute_tclass env c in