bc: trivial simplification in bc_parse_return()

function                                             old     new   delta
bc_parse_stmt                                       2276    2271      -5

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-12-05 20:28:26 +01:00
parent 657d6bb262
commit 452df923f7

View File

@ -4047,14 +4047,11 @@ static BcStatus bc_parse_return(BcParse *p)
else {
s = bc_parse_expr(p, 0, bc_parse_next_expr);
if (s && s != BC_STATUS_PARSE_EMPTY_EXP)
return s;
if (s == BC_STATUS_PARSE_EMPTY_EXP) {
bc_parse_push(p, BC_INST_RET0);
s = bc_lex_next(&p->l);
if (s) return s;
}
if (s) return s;
if (!paren || p->l.t.last != BC_LEX_RPAREN) {
s = bc_posix_error("POSIX requires parentheses around return expressions");