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scanner: emit event wrapper functions for server

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Generate typed wrapper functions for sending events in a server.

This allows compile time type checking, unlike the existing method of
calling the variadic function wl_resource_post_event().

The stuff in wayland-server.h had to be slightly reordered to have all
(forward) declarations before use.

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
This commit is contained in:
Pekka Paalanen 2012-03-02 15:16:33 +02:00
parent 0d22d25b87
commit 86a5d17afe
2 changed files with 51 additions and 8 deletions
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42
src/scanner.c
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@ -560,6 +560,47 @@ emit_stubs(struct wl_list *message_list, struct interface *interface)
}
}
static void
emit_event_wrappers(struct wl_list *message_list, struct interface *interface)
{
struct message *m;
struct arg *a;
/* We provide hand written functions for the display object */
if (strcmp(interface->name, "wl_display") == 0)
return;
wl_list_for_each(m, message_list, link) {
printf("static inline void\n"
"%s_send_%s(struct wl_resource *resource_",
interface->name, m->name);
wl_list_for_each(a, &m->arg_list, link) {
printf(", ");
switch (a->type) {
case NEW_ID:
case OBJECT:
printf("struct wl_resource *");
break;
default:
emit_type(a);
}
printf("%s", a->name);
}
printf(")\n"
"{\n"
"\twl_resource_post_event(resource_, %s_%s",
interface->uppercase_name, m->uppercase_name);
wl_list_for_each(a, &m->arg_list, link)
printf(", %s", a->name);
printf(");\n");
printf("}\n\n");
}
}
static const char *indent(int n)
{
const char *whitespace[] = {
@ -774,6 +815,7 @@ emit_header(struct protocol *protocol, int server)
if (server) {
emit_structs(&i->request_list, i);
emit_opcodes(&i->event_list, i);
emit_event_wrappers(&i->event_list, i);
} else {
emit_structs(&i->event_list, i);
emit_opcodes(&i->request_list, i);