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[CLASSES]: Support unions 

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2006-12-26 20:44:03 -02:00
parent bc5728f294
commit 6be23f3d82
1 changed files with 68 additions and 0 deletions
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68
classes.c
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@ -231,6 +231,56 @@ static struct variable *variable__new(const char *name, Dwarf_Off id,
return self;
}
static size_t union__snprintf(const struct class *self,
char *bf, size_t len,
const char *suffix, uint8_t ntabs)
{
char class_name[4096];
char member_name[128];
struct class_member *pos;
char *s = bf;
size_t printed = 0, n;
if (ntabs >= sizeof(tabs))
ntabs = sizeof(tabs) - 1;
n = snprintf(s, len, "union%s%s {\n",
self->name ? " " : "", self->name ?: "");
s += n;
len -= n;
printed += n;
list_for_each_entry(pos, &self->members, tag.node) {
const size_t size = class_member__names(NULL, pos, class_name,
sizeof(class_name),
member_name,
sizeof(member_name));
n = snprintf(s, len, "%.*s\t%-18s %-21s /* %11u */\n",
ntabs, tabs, class_name, member_name, size);
s += n;
len -= n;
printed += n;
}
n = snprintf(s, len, "%.*s}%s%s;", ntabs, tabs,
suffix ? " " : "", suffix ?: "");
return printed + n;
}
static void union__print(const struct class *self, const char *suffix,
uint8_t ntabs)
{
struct enumerator *pos;
char bf[4096];
if (ntabs >= sizeof(tabs))
ntabs = sizeof(tabs) - 1;
printf("%.*s/* %s:%u */\n", ntabs, tabs,
self->tag.decl_file, self->tag.decl_line);
union__snprintf(self, bf, sizeof(bf), suffix, ntabs);
printf("%s\n", bf);
}
static void cus__add(struct cus *self, struct cu *cu)
{
list_add_tail(&cu->node, &self->cus);
@ -801,6 +851,24 @@ static size_t class_member__print(struct class_member *self)
self->offset, size);
goto out;
}
} else if (type->tag.tag == DW_TAG_union_type) {
size = type->size;
if (type->name != NULL) {
snprintf(class_name, sizeof(class_name), "union %s",
type->name);
snprintf(member_name, sizeof(member_name), "%s;",
self->name);
} else {
const size_t spacing = 45 - (self->name ?
strlen(self->name) : -1);
union__snprintf(type, class_name, sizeof(class_name),
self->name, 1);
printf("%s %*.*s/* %5llu %5u */",
class_name, spacing, spacing, " ",
self->offset, size);
goto out;
}
} else
size = class_member__names(type, self, class_name,
sizeof(class_name),