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widl: Create type for async variant of an interface with async_uuid attribute. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2018-11-07 16:13:47 +01:00 committed by Alexandre Julliard
parent bfa98dbb1b
commit b467f2de9b
3 changed files with 107 additions and 3 deletions
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106
tools/widl/parser.y
View File

@ -113,6 +113,8 @@ const char *get_attr_display_name(enum attr_type type);
static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func);
static void check_def(const type_t *t);
static void check_async_uuid(type_t *iface);
static statement_t *make_statement(enum statement_type type);
static statement_t *make_statement_type_decl(type_t *type);
static statement_t *make_statement_reference(type_t *type);
@ -909,6 +911,7 @@ interfacedef: interfacehdr inherit
if($$ == $2)
error_loc("Interface can't inherit from itself\n");
type_interface_define($$, $2, $4);
check_async_uuid($$);
pointer_default = $1.old_pointer_default;
}
/* MIDL is able to import the definition of a base class from inside the
@ -1236,10 +1239,13 @@ static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_lis
return new_list;
}
static attr_list_t *dupattrs(const attr_list_t *list)
typedef int (*map_attrs_filter_t)(attr_list_t*,const attr_t*);
static attr_list_t *map_attrs(const attr_list_t *list, map_attrs_filter_t filter)
{
attr_list_t *new_list;
const attr_t *attr;
attr_t *new_attr;
if (!list) return NULL;
@ -1247,7 +1253,8 @@ static attr_list_t *dupattrs(const attr_list_t *list)
list_init( new_list );
LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
{
attr_t *new_attr = xmalloc(sizeof(*new_attr));
if (filter && !filter(new_list, attr)) continue;
new_attr = xmalloc(sizeof(*new_attr));
*new_attr = *attr;
list_add_tail(new_list, &new_attr->entry);
}
@ -1297,7 +1304,7 @@ static decl_spec_t *make_decl_spec(type_t *type, decl_spec_t *left, decl_spec_t
{
attr_list_t *attrs;
declspec->type = duptype(type, 1);
attrs = dupattrs(type->attrs);
attrs = map_attrs(type->attrs, NULL);
declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
declspec->attrs = NULL;
}
@ -1734,6 +1741,18 @@ var_t *make_var(char *name)
return v;
}
static var_t *copy_var(var_t *src, char *name, map_attrs_filter_t attr_filter)
{
var_t *v = xmalloc(sizeof(var_t));
v->name = name;
v->type = src->type;
v->attrs = map_attrs(src->attrs, attr_filter);
v->eval = src->eval;
v->stgclass = src->stgclass;
v->loc_info = src->loc_info;
return v;
}
static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
{
if (!d) return list;
@ -2742,6 +2761,87 @@ static void check_functions(const type_t *iface, int is_inside_library)
}
}
static char *concat_str(const char *prefix, const char *str)
{
char *ret = xmalloc(strlen(prefix) + strlen(str) + 1);
strcpy(ret, prefix);
strcat(ret, str);
return ret;
}
static int async_iface_attrs(attr_list_t *attrs, const attr_t *attr)
{
switch(attr->type)
{
case ATTR_UUID:
return 0;
case ATTR_ASYNCUUID:
append_attr(attrs, make_attrp(ATTR_UUID, attr->u.pval));
return 0;
default:
return 1;
}
}
static int arg_in_attrs(attr_list_t *attrs, const attr_t *attr)
{
return attr->type != ATTR_OUT && attr->type != ATTR_RETVAL;
}
static int arg_out_attrs(attr_list_t *attrs, const attr_t *attr)
{
return attr->type != ATTR_IN;
}
static void check_async_uuid(type_t *iface)
{
statement_list_t *stmts = NULL;
statement_t *stmt;
type_t *async_iface;
type_t *inherit;
if (!is_attr(iface->attrs, ATTR_ASYNCUUID)) return;
inherit = iface->details.iface->inherit;
if (inherit && strcmp(inherit->name, "IUnknown"))
inherit = inherit->details.iface->async_iface;
if (!inherit)
error_loc("async_uuid applied to an interface with incompatible parent\n");
async_iface = get_type(TYPE_INTERFACE, concat_str("Async", iface->name), iface->namespace, 0);
async_iface->attrs = map_attrs(iface->attrs, async_iface_attrs);
STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
{
var_t *begin_func, *finish_func, *func = stmt->u.var, *arg;
var_list_t *begin_args = NULL, *finish_args = NULL, *args;
args = func->type->details.function->args;
if (args) LIST_FOR_EACH_ENTRY(arg, args, var_t, entry)
{
if (is_attr(arg->attrs, ATTR_IN) || !is_attr(arg->attrs, ATTR_OUT))
begin_args = append_var(begin_args, copy_var(arg, strdup(arg->name), arg_in_attrs));
if (is_attr(arg->attrs, ATTR_OUT))
finish_args = append_var(finish_args, copy_var(arg, strdup(arg->name), arg_out_attrs));
}
begin_func = copy_var(func, concat_str("Begin_", func->name), NULL);
begin_func->type = type_new_function(begin_args);
begin_func->type->attrs = func->attrs;
begin_func->type->details.function->retval = func->type->details.function->retval;
stmts = append_statement(stmts, make_statement_declaration(begin_func));
finish_func = copy_var(func, concat_str("Finish_", func->name), NULL);
finish_func->type = type_new_function(finish_args);
finish_func->type->attrs = func->attrs;
finish_func->type->details.function->retval = func->type->details.function->retval;
stmts = append_statement(stmts, make_statement_declaration(finish_func));
}
type_interface_define(async_iface, inherit, stmts);
iface->details.iface->async_iface = async_iface->details.iface->async_iface = async_iface;
}
static void check_statements(const statement_list_t *stmts, int is_inside_library)
{
const statement_t *stmt;

3
tools/widl/typetree.c
View File

@ -444,6 +444,7 @@ void type_interface_define(type_t *iface, type_t *inherit, statement_list_t *stm
iface->details.iface->stmts = stmts;
iface->details.iface->inherit = inherit;
iface->details.iface->disp_inherit = NULL;
iface->details.iface->async_iface = NULL;
iface->defined = TRUE;
compute_method_indexes(iface);
}
@ -457,6 +458,7 @@ void type_dispinterface_define(type_t *iface, var_list_t *props, var_list_t *met
iface->details.iface->inherit = find_type("IDispatch", NULL, 0);
if (!iface->details.iface->inherit) error_loc("IDispatch is undefined\n");
iface->details.iface->disp_inherit = NULL;
iface->details.iface->async_iface = NULL;
iface->defined = TRUE;
compute_method_indexes(iface);
}
@ -470,6 +472,7 @@ void type_dispinterface_define_from_iface(type_t *dispiface, type_t *iface)
dispiface->details.iface->inherit = find_type("IDispatch", NULL, 0);
if (!dispiface->details.iface->inherit) error_loc("IDispatch is undefined\n");
dispiface->details.iface->disp_inherit = iface;
dispiface->details.iface->async_iface = NULL;
dispiface->defined = TRUE;
compute_method_indexes(dispiface);
}

1
tools/widl/widltypes.h
View File

@ -344,6 +344,7 @@ struct iface_details
var_list_t *disp_props;
struct _type_t *inherit;
struct _type_t *disp_inherit;
struct _type_t *async_iface;
};
struct module_details