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authorDenys Vlasenko <vda.linux@googlemail.com>2018-12-16 21:21:27 +0100
committerDenys Vlasenko <vda.linux@googlemail.com>2018-12-16 21:21:27 +0100
commit741563312805fa99fc9588c3673eff4a219d5e9f (patch)
treecdb7bf6e4a0e76730b0d00973b8a38b45c9149d2 /miscutils
parent5d18f6be90a940f80c3b7238dc7a8b42a41f55bd (diff)
downloadbusybox-741563312805fa99fc9588c3673eff4a219d5e9f.tar.gz
bc: preparation to stop using p->exits when parsing if()
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils')
-rw-r--r--miscutils/bc.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c
index 9f40a551e..ad716fac3 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -4141,15 +4141,17 @@ static BC_STATUS zbc_parse_if(BcParse *p)
dbg_lex("%s:%d in if after stmt: p->l.t.t:%d", __func__, __LINE__, p->l.t.t);
if (p->l.t.t == BC_LEX_KEY_ELSE) {
+ BcInstPtr ip2;
+
s = zbc_lex_next_and_skip_NLINE(&p->l);
if (s) RETURN_STATUS(s);
- ip.idx = p->func->labels.len;
- ip.func = ip.len = 0;
+ ip2.idx = p->func->labels.len;
+ ip2.func = ip.len = 0;
dbg_lex("%s:%d after if() body: BC_INST_JUMP to %d", __func__, __LINE__, ip.idx);
bc_parse_push(p, BC_INST_JUMP);
- bc_parse_pushIndex(p, ip.idx);
+ bc_parse_pushIndex(p, ip2.idx);
ipp = bc_vec_top(&p->exits);
label = bc_vec_item(&p->func->labels, ipp->idx);
@@ -4157,8 +4159,8 @@ static BC_STATUS zbc_parse_if(BcParse *p)
*label = p->func->code.len;
bc_vec_pop(&p->exits);
- bc_vec_push(&p->exits, &ip);
- bc_vec_push(&p->func->labels, &ip.idx);
+ bc_vec_push(&p->exits, &ip2);
+ bc_vec_push(&p->func->labels, &ip2.idx);
s = zbc_parse_stmt(p);
if (s) RETURN_STATUS(s);