bc: zcommon_parse_expr() has only one user, fold it in

function                                             old     new   delta
zbc_program_exec                                    4021    4046     +25
zdc_parse_expr                                       589     586      -3
zcommon_parse_expr                                    28       -     -28
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/1 up/down: 25/-31)             Total: -6 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 9 insertions, 12 deletions

diff --git a/miscutils/bc.c b/miscutils/bc.c
index 1c47fba1d..4d252cc97 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -4986,6 +4986,7 @@ static BC_STATUS zdc_parse_expr(BcParse *p)
                 BcStatus s;
 
                 t = p->l.t.t;
+                dbg_lex("%s:%d G.prs.l.t.t:%d", __func__, __LINE__, G.prs.l.t.t);
                 if (t == BC_LEX_EOF) break;
 
                 inst = dc_parse_insts[t];
@@ -5009,6 +5010,7 @@ static BC_STATUS zdc_parse_parse(BcParse *p)
 {
         BcStatus s;
 
+        dbg_lex_enter("%s:%d entered", __func__, __LINE__);
         if (p->l.t.t == BC_LEX_EOF)
                 s = bc_error("end of file");
         else
@@ -5019,22 +5021,13 @@ static BC_STATUS zdc_parse_parse(BcParse *p)
                 s = BC_STATUS_FAILURE;
         }
 
+        dbg_lex_done("%s:%d done", __func__, __LINE__);
         RETURN_STATUS(s);
 }
 #define zdc_parse_parse(...) (zdc_parse_parse(__VA_ARGS__) COMMA_SUCCESS)
 
 #endif // ENABLE_DC
 
-static BC_STATUS zcommon_parse_expr(BcParse *p)
-{
-        if (IS_BC) {
-                IF_BC(RETURN_STATUS(zbc_parse_expr(p, 0)));
-        } else {
-                IF_DC(RETURN_STATUS(zdc_parse_expr(p)));
-        }
-}
-#define zcommon_parse_expr(...) (zcommon_parse_expr(__VA_ARGS__) COMMA_SUCCESS)
-
 static BcVec* bc_program_search(char *id, bool var)
 {
         BcId e, *ptr;
@@ -5239,7 +5232,11 @@ static BC_STATUS zbc_program_read(void)
 
         s = zbc_parse_text_init(&parse, buf.v);
         if (s) goto exec_err;
-        s = zcommon_parse_expr(&parse);
+        if (IS_BC) {
+                IF_BC(s = zbc_parse_expr(&parse, 0));
+        } else {
+                IF_DC(s = zdc_parse_expr(&parse));
+        }
         if (s) goto exec_err;
 
         if (parse.l.t.t != BC_LEX_NLINE && parse.l.t.t != BC_LEX_EOF) {
@@ -6367,7 +6364,7 @@ static BC_STATUS zdc_program_execStr(char *code, size_t *bgn, bool cond)
                 str = *bc_program_str(sidx);
                 s = zbc_parse_text_init(&prs, str);
                 if (s) goto err;
-                s = zcommon_parse_expr(&prs);
+                s = zdc_parse_expr(&prs);
                 if (s) goto err;
                 if (prs.l.t.t != BC_LEX_EOF) {
                         s = bc_error_bad_expression();