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bc: shrink zdc_parse_expr()

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function                                             old     new   delta
zdc_parse_expr                                       656     653      -3

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-12-18 14:11:35 +01:00
parent 07597cd35d
commit a199cc95b7
1 changed files with 12 additions and 7 deletions
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19
miscutils/bc.c
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@ -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) static BC_STATUS zdc_parse_expr(BcParse *p, uint8_t flags)
{ {
BcStatus s = BC_STATUS_SUCCESS;
BcInst inst;
BcLexType t; BcLexType t;
for (t = p->l.t.t; !s && t != BC_LEX_EOF; t = p->l.t.t) { for (;;) {
inst = dc_parse_insts[t]; 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) { if (inst != BC_INST_INVALID) {
bc_parse_push(p, inst); bc_parse_push(p, inst);
s = zbc_lex_next(&p->l); s = zbc_lex_next(&p->l);
} else } else {
s = zdc_parse_token(p, t, flags); 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); 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) #define zdc_parse_expr(...) (zdc_parse_expr(__VA_ARGS__) COMMA_SUCCESS)