widl: Write C++ template declarations for parameterized types.

Based on a patch from Steve Lhomme.

Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Rémi Bernon 2021-02-25 14:15:09 +01:00 committed by Alexandre Julliard
parent 2e262c59df
commit ea9d98082a
2 changed files with 50 additions and 0 deletions

View File

@ -123,6 +123,25 @@ unsigned int get_attrv(const attr_list_t *list, enum attr_type t)
return 0;
}
static char *format_parameterized_type_args(const type_t *type, const char *prefix, const char *suffix)
{
typeref_list_t *params;
typeref_t *ref;
size_t len = 0, pos = 0;
char *buf = NULL;
params = type->details.parameterized.params;
if (params) LIST_FOR_EACH_ENTRY(ref, params, typeref_t, entry)
{
assert(ref->type->type_type != TYPE_POINTER);
pos += strappend(&buf, &len, pos, "%s%s%s", prefix, ref->type->name, suffix);
if (list_next(params, &ref->entry)) pos += strappend(&buf, &len, pos, ", ");
}
if (!buf) return xstrdup("");
return buf;
}
static void write_guid(FILE *f, const char *guid_prefix, const char *name, const UUID *uuid)
{
if (!uuid) return;
@ -1474,6 +1493,30 @@ static void write_function_proto(FILE *header, const type_t *iface, const var_t
fprintf(header, ");\n\n");
}
static void write_parameterized_type_forward(FILE *header, type_t *type)
{
type_t *iface = type->details.parameterized.type;
char *args;
if (type_get_type(iface) == TYPE_DELEGATE) iface = type_delegate_get_iface(iface);
fprintf(header, "#if defined(__cplusplus) && !defined(CINTERFACE)\n");
write_namespace_start(header, type->namespace);
args = format_parameterized_type_args(type, "class ", "");
write_line(header, 0, "template <%s>", args);
write_line(header, 0, "struct %s_impl;\n", iface->name);
write_line(header, 0, "template <%s>", args);
free(args);
args = format_parameterized_type_args(type, "", "");
write_line(header, 0, "struct %s : %s_impl<%s> {};", iface->name, iface->name, args);
free(args);
write_namespace_end(header, type->namespace);
fprintf(header, "#endif\n\n" );
}
static void write_forward(FILE *header, type_t *iface)
{
fprintf(header, "#ifndef __%s_FWD_DEFINED__\n", iface->c_name);
@ -1818,6 +1861,8 @@ static void write_forward_decls(FILE *header, const statement_list_t *stmts)
write_coclass_forward(header, stmt->u.type);
else if (type_get_type(stmt->u.type) == TYPE_RUNTIMECLASS)
write_runtimeclass_forward(header, stmt->u.type);
else if (type_get_type(stmt->u.type) == TYPE_PARAMETERIZED_TYPE)
write_parameterized_type_forward(header, stmt->u.type);
break;
case STMT_TYPEREF:
case STMT_IMPORTLIB:

View File

@ -912,6 +912,8 @@ type_t *type_parameterized_interface_define(type_t *type, attr_list_t *attrs, ty
iface->details.iface->async_iface = NULL;
iface->details.iface->requires = requires;
iface->name = type->name;
type->defined = TRUE;
return type;
}
@ -952,6 +954,9 @@ type_t *type_parameterized_delegate_define(type_t *type, attr_list_t *attrs, sta
iface->details.iface->async_iface = NULL;
iface->details.iface->requires = NULL;
delegate->name = type->name;
compute_delegate_iface_names(delegate, type, type->details.parameterized.params);
type->defined = TRUE;
return type;
}