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scanner: Only output each forward declaration once

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Just sort the types and only print unique type names.  We avoid using
the GCC pragma.
This commit is contained in:
Kristian Høgsberg 2014-04-03 15:57:54 -07:00
parent 00703ad2bc
commit c1aa1291a1
1 changed files with 28 additions and 8 deletions
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36
src/scanner.c
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@ -1019,11 +1019,13 @@ emit_header(struct protocol *protocol, int server)
static void static void
emit_types_forward_declarations(struct protocol *protocol, emit_types_forward_declarations(struct protocol *protocol,
struct wl_list *message_list) struct wl_list *message_list,
struct wl_array *types)
{ {
struct message *m; struct message *m;
struct arg *a; struct arg *a;
int length; int length;
char **p;
wl_list_for_each(m, message_list, link) { wl_list_for_each(m, message_list, link) {
length = 0; length = 0;
@ -1037,8 +1039,8 @@ emit_types_forward_declarations(struct protocol *protocol,
continue; continue;
m->all_null = 0; m->all_null = 0;
printf("extern const struct wl_interface %s_interface;\n", p = wl_array_add(types, sizeof *p);
a->interface_name); *p = a->interface_name;
break; break;
default: default:
break; break;
@ -1153,10 +1155,20 @@ emit_messages(struct wl_list *message_list,
printf("};\n\n"); printf("};\n\n");
} }
static int
cmp_names(const void *p1, const void *p2)
{
const char * const *s1 = p1, * const *s2 = p2;
return strcmp(*s1, *s2);
}
static void static void
emit_code(struct protocol *protocol) emit_code(struct protocol *protocol)
{ {
struct interface *i; struct interface *i;
struct wl_array types;
char **p, *prev;
if (protocol->copyright) if (protocol->copyright)
format_copyright(protocol->copyright); format_copyright(protocol->copyright);
@ -1165,13 +1177,21 @@ emit_code(struct protocol *protocol)
"#include <stdint.h>\n" "#include <stdint.h>\n"
"#include \"wayland-util.h\"\n\n"); "#include \"wayland-util.h\"\n\n");
printf("#pragma GCC diagnostic push\n" wl_array_init(&types);
"#pragma GCC diagnostic ignored \"-Wredundant-decls\"\n");
wl_list_for_each(i, &protocol->interface_list, link) { wl_list_for_each(i, &protocol->interface_list, link) {
emit_types_forward_declarations(protocol, &i->request_list); emit_types_forward_declarations(protocol, &i->request_list, &types);
emit_types_forward_declarations(protocol, &i->event_list); emit_types_forward_declarations(protocol, &i->event_list, &types);
} }
printf("#pragma GCC diagnostic pop\n\n"); qsort(types.data, types.size / sizeof *p, sizeof *p, cmp_names);
prev = NULL;
wl_array_for_each(p, &types) {
if (prev && strcmp(*p, prev) == 0)
continue;
printf("extern const struct wl_interface %s_interface;\n", *p);
prev = *p;
}
wl_array_release(&types);
printf("\n");
printf("static const struct wl_interface *types[] = {\n"); printf("static const struct wl_interface *types[] = {\n");
emit_null_run(protocol); emit_null_run(protocol);