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scanner: Output type info for new_id arguments

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This commit is contained in:
Kristian Høgsberg 2011-07-12 13:22:25 -04:00
parent 671a62cb96
commit f6bf070aee
2 changed files with 99 additions and 2 deletions
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99
wayland/scanner.c
View file

@ -60,6 +60,8 @@ struct protocol {
char *name;
char *uppercase_name;
struct wl_list interface_list;
int type_index;
int null_run_length;
};
struct interface {
@ -77,6 +79,9 @@ struct message {
char *uppercase_name;
struct wl_list arg_list;
struct wl_list link;
int arg_count;
int type_index;
int all_null;
int destructor;
};
@ -204,6 +209,7 @@ start_element(void *data, const char *element_name, const char **atts)
message->name = strdup(name);
message->uppercase_name = uppercase_dup(name);
wl_list_init(&message->arg_list);
message->arg_count = 0;
if (strcmp(element_name, "request") == 0)
wl_list_insert(ctx->interface->request_list.prev,
@ -250,6 +256,7 @@ start_element(void *data, const char *element_name, const char **atts)
}
wl_list_insert(ctx->message->arg_list.prev, &arg->link);
ctx->message->arg_count++;
} else if (strcmp(element_name, "enum") == 0) {
if (name == NULL)
fail(ctx, "no enum name given");
@ -598,6 +605,80 @@ emit_header(struct protocol *protocol, int server)
"#endif\n");
}
static void
emit_types_forward_declarations(struct protocol *protocol,
struct wl_list *message_list)
{
struct message *m;
struct arg *a;
int length;
wl_list_for_each(m, message_list, link) {
length = 0;
m->all_null = 1;
wl_list_for_each(a, &m->arg_list, link) {
length++;
switch (a->type) {
case NEW_ID:
case OBJECT:
m->all_null = 0;
printf("extern const struct wl_interface %s_interface;\n",
a->interface_name);
break;
default:
break;
}
}
if (m->all_null && length > protocol->null_run_length)
protocol->null_run_length = length;
}
}
static void
emit_null_run(struct protocol *protocol)
{
int i;
for (i = 0; i < protocol->null_run_length; i++)
printf("\tNULL,\n");
}
static void
emit_types(struct protocol *protocol, struct wl_list *message_list)
{
struct message *m;
struct arg *a;
wl_list_for_each(m, message_list, link) {
if (m->all_null) {
m->type_index = 0;
continue;
}
m->type_index =
protocol->null_run_length + protocol->type_index;
protocol->type_index += m->arg_count;
wl_list_for_each(a, &m->arg_list, link) {
switch (a->type) {
case NEW_ID:
case OBJECT:
if (strcmp(a->interface_name,
"wl_object") != 0)
printf("\t&%s_interface,\n",
a->interface_name);
else
printf("\tNULL,\n");
break;
default:
printf("\tNULL,\n");
break;
}
}
}
}
static void
emit_messages(struct wl_list *message_list,
struct interface *interface, const char *suffix)
@ -640,7 +721,7 @@ emit_messages(struct wl_list *message_list,
break;
}
}
printf("\", NULL },\n");
printf("\", types + %d },\n", m->type_index);
}
printf("};\n\n");
@ -657,6 +738,20 @@ emit_code(struct protocol *protocol)
"#include \"wayland-util.h\"\n\n",
copyright);
wl_list_for_each(i, &protocol->interface_list, link) {
emit_types_forward_declarations(protocol, &i->request_list);
emit_types_forward_declarations(protocol, &i->event_list);
}
printf("\n");
printf("static const struct wl_interface *types[] = {\n");
emit_null_run(protocol);
wl_list_for_each(i, &protocol->interface_list, link) {
emit_types(protocol, &i->request_list);
emit_types(protocol, &i->event_list);
}
printf("};\n\n");
wl_list_for_each(i, &protocol->interface_list, link) {
emit_messages(&i->request_list, i, "requests");
@ -694,6 +789,8 @@ int main(int argc, char *argv[])
usage(EXIT_FAILURE);
wl_list_init(&protocol.interface_list);
protocol.type_index = 0;
protocol.null_run_length = 0;
ctx.protocol = &protocol;
ctx.filename = "<stdin>";

2
wayland/wayland-util.h
View file

@ -47,7 +47,7 @@ extern "C" {
struct wl_message {
const char *name;
const char *signature;
const void **types;
const struct wl_interface **types;
};
struct wl_interface {