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anonymous union/struct support (Filip Navara)

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This commit is contained in:
bellard 2005-09-03 22:33:53 +00:00
parent 7b8e283980
commit 7bc5e51847
1 changed files with 14 additions and 3 deletions
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17
tcc.c
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@ -6465,7 +6465,7 @@ static void struct_decl(CType *type, int u)
{
int a, v, size, align, maxalign, c, offset;
int bit_size, bit_pos, bsize, bt, lbit_pos;
Sym *s, *ss, **ps;
Sym *s, *ss, *ass, **ps;
AttributeDef ad;
CType type1, btype;
@ -6536,7 +6536,9 @@ static void struct_decl(CType *type, int u)
v = 0;
type1 = btype;
if (tok != ':') {
type_decl(&type1, &ad, &v, TYPE_DIRECT);
type_decl(&type1, &ad, &v, TYPE_DIRECT | TYPE_ABSTRACT);
if (v == 0 && (type1.t & VT_BTYPE) != VT_STRUCT)
expect("identifier");
if ((type1.t & VT_BTYPE) == VT_FUNC ||
(type1.t & (VT_TYPEDEF | VT_STATIC | VT_EXTERN | VT_INLINE)))
error("invalid type for '%s'",
@ -6599,7 +6601,7 @@ static void struct_decl(CType *type, int u)
} else {
bit_pos = 0;
}
if (v) {
if (v != 0 || (type1.t & VT_BTYPE) == VT_STRUCT) {
/* add new memory data only if starting
bit field */
if (lbit_pos == 0) {
@ -6625,6 +6627,15 @@ static void struct_decl(CType *type, int u)
}
printf("\n");
#endif
}
if (v == 0 && (type1.t & VT_BTYPE) == VT_STRUCT) {
ass = type1.ref;
while ((ass = ass->next) != NULL) {
ss = sym_push(ass->v, &ass->type, 0, offset + ass->c);
*ps = ss;
ps = &ss->next;
}
} else if (v) {
ss = sym_push(v | SYM_FIELD, &type1, 0, offset);
*ps = ss;
ps = &ss->next;