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tccpp: macro subst fix

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#define Y(x) Z(x)
#define X Y
return X(X(1));

was : return Z(Y(1));
now : return Z(Z(1));
This commit is contained in:
grischka 2016-04-29 19:00:33 +02:00
parent 68ce8639bb
commit 256078933c
1 changed files with 4 additions and 4 deletions
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8
tccpp.c
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@ -3135,10 +3135,10 @@ static int next_argstream(Sym **nested_list, int can_read_stream, TokenString *w
end_macro();
/* also, end of scope for nested defined symbol */
sa = *nested_list;
while (sa && sa->v == -1)
while (sa && sa->v == 0)
sa = sa->prev;
if (sa)
sa->v = -1;
sa->v = 0;
continue;
}
} else {
@ -3330,7 +3330,7 @@ static int macro_subst_tok(
sym_push2(nested_list, s->v, 0, 0);
parse_flags = saved_parse_flags;
macro_subst(tok_str, nested_list, mstr, can_read_stream);
macro_subst(tok_str, nested_list, mstr, can_read_stream | 2);
/* pop nested defined symbol */
sa1 = *nested_list;
@ -3454,7 +3454,7 @@ static void macro_subst(
spc = nosubst = 0;
/* first scan for '##' operator handling */
if (can_read_stream) {
if (can_read_stream & 1) {
macro_str1 = macro_twosharps(ptr);
if (macro_str1)
ptr = macro_str1;