Rémi Bernon : widl: Prefer mangled name over typedef in WinRT mode.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a35ca92362750f8a49fc15efddc2c48caa07959e
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=a35ca92362750f8a49fc15efddc2c48caa07959e

Author: Rémi Bernon <rbernon at codeweavers.com>
Date:   Wed Nov  4 19:49:29 2020 +0100

widl: Prefer mangled name over typedef in WinRT mode.

For types under a non-global namespace.

MIDL generates prefixed mangled name for every use of enum, struct and
union types. When the types are in the global namespace, the typedef
name is used instead.

Signed-off-by: Rémi Bernon <rbernon at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 tools/widl/header.c   | 22 ++++++++++++++--------
 tools/widl/typetree.c |  2 +-
 2 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/tools/widl/header.c b/tools/widl/header.c
index 743d86f0ee9..015bbe2ece7 100644
--- a/tools/widl/header.c
+++ b/tools/widl/header.c
@@ -192,7 +192,7 @@ const char *get_name(const var_t *v)
     return v->name;
 }
 
-static void write_fields(FILE *h, var_list_t *fields)
+static void write_fields(FILE *h, var_list_t *fields, enum name_type name_type)
 {
     unsigned nameless_struct_cnt = 0, nameless_struct_i = 0, nameless_union_cnt = 0, nameless_union_i = 0;
     const char *name;
@@ -250,7 +250,7 @@ static void write_fields(FILE *h, var_list_t *fields)
         default:
             ;
         }
-        write_type_v(h, &v->declspec, TRUE, v->declonly, name, NAME_DEFAULT);
+        write_type_v(h, &v->declspec, TRUE, v->declonly, name, name_type);
         fprintf(h, ";\n");
     }
 }
@@ -322,7 +322,7 @@ void write_type_left(FILE *h, const decl_spec_t *ds, enum name_type name_type, i
   if ((ds->qualifier & TYPE_QUALIFIER_CONST) && (type_is_alias(t) || !is_ptr(t)))
     fprintf(h, "const ");
 
-  if (type_is_alias(t)) fprintf(h, "%s", t->name);
+  if (!winrt_mode && type_is_alias(t)) fprintf(h, "%s", t->name);
   else {
     switch (type_get_type_detect_alias(t)) {
       case TYPE_ENUM:
@@ -347,9 +347,9 @@ void write_type_left(FILE *h, const decl_spec_t *ds, enum name_type name_type, i
           t->written = TRUE;
           indentation++;
           if (type_get_type(t) != TYPE_STRUCT)
-            write_fields(h, type_encapsulated_union_get_fields(t));
+            write_fields(h, type_encapsulated_union_get_fields(t), name_type);
           else
-            write_fields(h, type_struct_get_fields(t));
+            write_fields(h, type_struct_get_fields(t), name_type);
           indent(h, -1);
           fprintf(h, "}");
         }
@@ -362,7 +362,7 @@ void write_type_left(FILE *h, const decl_spec_t *ds, enum name_type name_type, i
           else fprintf(h, "union {\n");
           t->written = TRUE;
           indentation++;
-          write_fields(h, type_union_get_cases(t));
+          write_fields(h, type_union_get_cases(t), name_type);
           indent(h, -1);
           fprintf(h, "}");
         }
@@ -464,9 +464,13 @@ void write_type_left(FILE *h, const decl_spec_t *ds, enum name_type name_type, i
         break;
       }
       case TYPE_ALIAS:
-        /* handled elsewhere */
-        assert(0);
+      {
+        const decl_spec_t *ds = type_alias_get_aliasee(t);
+        int in_namespace = ds && ds->type && ds->type->namespace && !is_global_namespace(ds->type->namespace);
+        if (!in_namespace) fprintf(h, "%s", t->name);
+        else write_type_left(h, ds, name_type, declonly, write_callconv);
         break;
+      }
     }
   }
 }
@@ -801,6 +805,8 @@ static void write_generic_handle_routines(FILE *header)
 
 static void write_typedef(FILE *header, type_t *type, int declonly)
 {
+  type_t *t = type_alias_get_aliasee_type(type);
+  if (winrt_mode && t->namespace && !is_global_namespace(t->namespace)) return;
   fprintf(header, "typedef ");
   write_type_v(header, type_alias_get_aliasee(type), FALSE, declonly, type->name, NAME_DEFAULT);
   fprintf(header, ";\n");
diff --git a/tools/widl/typetree.c b/tools/widl/typetree.c
index e9afc6fdd28..c0547b36a96 100644
--- a/tools/widl/typetree.c
+++ b/tools/widl/typetree.c
@@ -82,7 +82,7 @@ const char *type_get_name(const type_t *type, enum name_type name_type)
     case NAME_DEFAULT:
         return type->name;
     case NAME_C:
-        return type->c_name;
+        return type->c_name ? type->c_name : type->name;
     }
 
     assert(0);