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scanner: add new enum-header mode

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This generates a header with only enum definitions. This is useful
to share enum headers between libraries and library users.

Signed-off-by: Simon Ser <contact@emersion.fr>
This commit is contained in:
Simon Ser 2023-05-03 12:18:07 +02:00
parent 2621484037
commit fbd7460737
1 changed files with 36 additions and 1 deletions
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37
src/scanner.c
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@ -67,7 +67,7 @@ enum visibility {
static int
usage(int ret)
{
fprintf(stderr, "usage: %s [OPTION] [client-header|server-header|private-code|public-code]"
fprintf(stderr, "usage: %s [OPTION] [client-header|server-header|enum-header|private-code|public-code]"
" [input_file output_file]\n", PROGRAM_NAME);
fprintf(stderr, "\n");
fprintf(stderr, "Converts XML protocol descriptions supplied on "
@ -1703,6 +1703,35 @@ emit_header(struct protocol *protocol, enum side side)
"#endif\n");
}
static void
emit_enum_header(struct protocol *protocol)
{
struct interface *i, *i_next;
printf("/* Generated by %s %s */\n\n", PROGRAM_NAME, WAYLAND_VERSION);
printf("#ifndef %s_ENUM_PROTOCOL_H\n"
"#define %s_ENUM_PROTOCOL_H\n"
"\n"
"#ifdef __cplusplus\n"
"extern \"C\" {\n"
"#endif\n\n",
protocol->uppercase_name,
protocol->uppercase_name);
wl_list_for_each_safe(i, i_next, &protocol->interface_list, link) {
emit_enumerations(i);
free_interface(i);
}
printf("#ifdef __cplusplus\n"
"}\n"
"#endif\n"
"\n"
"#endif\n");
}
static void
emit_null_run(struct protocol *protocol)
{
@ -1923,6 +1952,7 @@ int main(int argc, char *argv[])
enum {
CLIENT_HEADER,
SERVER_HEADER,
ENUM_HEADER,
PRIVATE_CODE,
PUBLIC_CODE,
CODE,
@ -1976,6 +2006,8 @@ int main(int argc, char *argv[])
mode = CLIENT_HEADER;
else if (strcmp(argv[0], "server-header") == 0)
mode = SERVER_HEADER;
else if (strcmp(argv[0], "enum-header") == 0)
mode = ENUM_HEADER;
else if (strcmp(argv[0], "private-code") == 0)
mode = PRIVATE_CODE;
else if (strcmp(argv[0], "public-code") == 0)
@ -2067,6 +2099,9 @@ int main(int argc, char *argv[])
case SERVER_HEADER:
emit_header(&protocol, SERVER);
break;
case ENUM_HEADER:
emit_enum_header(&protocol);
break;
case PRIVATE_CODE:
emit_code(&protocol, PRIVATE);
break;