[git commit] bc: shrink zdc_parse_expr()
Denys Vlasenko
vda.linux at googlemail.com
Tue Dec 18 13:11:35 UTC 2018
commit: https://git.busybox.net/busybox/commit/?id=a199cc95b726df7023c19fa5130a3b55287e43a2
branch: https://git.busybox.net/busybox/commit/?id=refs/heads/master
function old new delta
zdc_parse_expr 656 653 -3
Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
miscutils/bc.c | 19 ++++++++++++-------
1 file changed, 12 insertions(+), 7 deletions(-)
diff --git a/miscutils/bc.c b/miscutils/bc.c
index be198a5fb..a5fcaf3bc 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -4947,24 +4947,29 @@ static BC_STATUS zdc_parse_token(BcParse *p, BcLexType t, uint8_t flags)
static BC_STATUS zdc_parse_expr(BcParse *p, uint8_t flags)
{
- BcStatus s = BC_STATUS_SUCCESS;
- BcInst inst;
BcLexType t;
- for (t = p->l.t.t; !s && t != BC_LEX_EOF; t = p->l.t.t) {
- inst = dc_parse_insts[t];
+ for (;;) {
+ BcInst inst;
+ BcStatus s;
+
+ t = p->l.t.t;
+ if (t == BC_LEX_EOF) break;
+ inst = dc_parse_insts[t];
if (inst != BC_INST_INVALID) {
bc_parse_push(p, inst);
s = zbc_lex_next(&p->l);
- } else
+ } else {
s = zdc_parse_token(p, t, flags);
+ }
+ if (s) RETURN_STATUS(s);
}
- if (!s && p->l.t.t == BC_LEX_EOF && (flags & BC_PARSE_NOCALL))
+ if (flags & BC_PARSE_NOCALL)
bc_parse_push(p, BC_INST_POP_EXEC);
- RETURN_STATUS(s);
+ RETURN_STATUS(BC_STATUS_SUCCESS);
}
#define zdc_parse_expr(...) (zdc_parse_expr(__VA_ARGS__) COMMA_SUCCESS)
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