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authorDenys Vlasenko2018-12-12 14:54:38 +0100
committerDenys Vlasenko2018-12-12 14:57:15 +0100
commit8cd468f60431931aa1aa88d3083dd2920e2cd7f2 (patch)
treec96791ad940c41d9c5fdbecfaabdbb651f51a178
parent9a34e89289d760fbe41aa79c684159f3c9f60645 (diff)
downloadbusybox-8cd468f60431931aa1aa88d3083dd2920e2cd7f2.zip
busybox-8cd468f60431931aa1aa88d3083dd2920e2cd7f2.tar.gz
bc: convert more of lexer functions to "z" convention
function old new delta dc_parse_expr 748 - -748 zdc_parse_expr - 688 +688 bc_parse_endBody 338 - -338 zbc_parse_endBody - 343 +343 bc_parse_auto 201 - -201 zbc_parse_auto - 198 +198 dc_parse_mem 115 - -115 zdc_parse_mem - 108 +108 bc_parse_body 116 - -116 zbc_parse_body - 108 +108 bc_parse_string 102 - -102 zbc_parse_string - 100 +100 dc_parse_register 43 - -43 zdc_parse_register - 40 +40 common_parse_expr 40 43 +3 bc_parse_parse 321 476 +155 bc_parse_stmt 1598 1594 -4 dc_parse_parse 44 26 -18 bc_parse_reset 153 - -153 ------------------------------------------------------------------------------ (add/remove: 7/8 grow/shrink: 2/2 up/down: 1743/-1838) Total: -95 bytes text data bss dec hex filename 981450 485 7296 989231 f182f busybox_old 981355 485 7296 989136 f17d0 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--miscutils/bc.c274
1 files changed, 137 insertions, 137 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c
index eae5063..3815b7f 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -3771,22 +3771,25 @@ err:
return s;
}
-static BcStatus bc_parse_read(BcParse *p)
+static BC_STATUS zbc_parse_read(BcParse *p)
{
BcStatus s;
s = zbc_lex_next(&p->l);
- if (s) return s;
- if (p->l.t.t != BC_LEX_LPAREN) return bc_error_bad_token();
+ if (s) RETURN_STATUS(s);
+ if (p->l.t.t != BC_LEX_LPAREN) RETURN_STATUS(bc_error_bad_token());
s = zbc_lex_next(&p->l);
- if (s) return s;
- if (p->l.t.t != BC_LEX_RPAREN) return bc_error_bad_token();
+ if (s) RETURN_STATUS(s);
+ if (p->l.t.t != BC_LEX_RPAREN) RETURN_STATUS(bc_error_bad_token());
bc_parse_push(p, BC_INST_READ);
- return zbc_lex_next(&p->l);
+ RETURN_STATUS(zbc_lex_next(&p->l));
}
+#if ERRORS_ARE_FATAL
+# define zbc_parse_read(...) (zbc_parse_read(__VA_ARGS__), BC_STATUS_SUCCESS)
+#endif
static BcStatus bc_parse_builtin(BcParse *p, BcLexType type, uint8_t flags,
BcInst *prev)
@@ -3910,7 +3913,7 @@ static BcStatus bc_parse_incdec(BcParse *p, BcInst *prev, bool *paren_expr,
return s;
}
-static BcStatus bc_parse_minus(BcParse *p, BcInst *prev, size_t ops_bgn,
+static BC_STATUS zbc_parse_minus(BcParse *p, BcInst *prev, size_t ops_bgn,
bool rparen, size_t *nexprs)
{
BcStatus s;
@@ -3918,7 +3921,7 @@ static BcStatus bc_parse_minus(BcParse *p, BcInst *prev, size_t ops_bgn,
BcInst etype = *prev;
s = zbc_lex_next(&p->l);
- if (s) return s;
+ if (s) RETURN_STATUS(s);
type = rparen || etype == BC_INST_INC_POST || etype == BC_INST_DEC_POST ||
(etype >= BC_INST_NUM && etype <= BC_INST_SQRT) ?
@@ -3933,10 +3936,13 @@ static BcStatus bc_parse_minus(BcParse *p, BcInst *prev, size_t ops_bgn,
else
s = zbc_parse_operator(p, type, ops_bgn, nexprs, false);
- return s;
+ RETURN_STATUS(s);
}
+#if ERRORS_ARE_FATAL
+# define zbc_parse_minus(...) (zbc_parse_minus(__VA_ARGS__), BC_STATUS_SUCCESS)
+#endif
-static BcStatus bc_parse_string(BcParse *p, char inst)
+static BC_STATUS zbc_parse_string(BcParse *p, char inst)
{
char *str = xstrdup(p->l.t.v.v);
@@ -3945,8 +3951,11 @@ static BcStatus bc_parse_string(BcParse *p, char inst)
bc_vec_push(&G.prog.strs, &str);
bc_parse_push(p, inst);
- return zbc_lex_next(&p->l);
+ RETURN_STATUS(zbc_lex_next(&p->l));
}
+#if ERRORS_ARE_FATAL
+# define zbc_parse_string(...) (zbc_parse_string(__VA_ARGS__), BC_STATUS_SUCCESS)
+#endif
static BcStatus bc_parse_print(BcParse *p)
{
@@ -3966,7 +3975,7 @@ static BcStatus bc_parse_print(BcParse *p)
while (type != BC_LEX_SCOLON && type != BC_LEX_NLINE) {
if (type == BC_LEX_STR) {
- s = bc_parse_string(p, BC_INST_PRINT_POP);
+ s = zbc_parse_string(p, BC_INST_PRINT_POP);
if (s) return s;
} else {
s = bc_parse_expr(p, 0, bc_parse_next_print);
@@ -4023,32 +4032,29 @@ static BcStatus bc_parse_return(BcParse *p)
return s;
}
-static BcStatus bc_parse_endBody(BcParse *p, bool brace)
+static BC_STATUS zbc_parse_endBody(BcParse *p, bool brace)
{
BcStatus s = BC_STATUS_SUCCESS;
if (p->flags.len <= 1 || (brace && p->nbraces == 0))
- return bc_error_bad_token();
+ RETURN_STATUS(bc_error_bad_token());
if (brace) {
-
- if (p->l.t.t == BC_LEX_RBRACE) {
- if (!p->nbraces) return bc_error_bad_token();
- --p->nbraces;
- s = zbc_lex_next(&p->l);
- if (s) return s;
- }
- else
- return bc_error_bad_token();
+ if (p->l.t.t != BC_LEX_RBRACE)
+ RETURN_STATUS(bc_error_bad_token());
+ if (!p->nbraces)
+ RETURN_STATUS(bc_error_bad_token());
+ --p->nbraces;
+ s = zbc_lex_next(&p->l);
+ if (s) RETURN_STATUS(s);
}
if (BC_PARSE_IF(p)) {
-
uint8_t *flag_ptr;
while (p->l.t.t == BC_LEX_NLINE) {
s = zbc_lex_next(&p->l);
- if (s) return s;
+ if (s) RETURN_STATUS(s);
}
bc_vec_pop(&p->flags);
@@ -4060,7 +4066,6 @@ static BcStatus bc_parse_endBody(BcParse *p, bool brace)
ERROR_RETURN(s =) zbc_parse_else(p);
}
else if (BC_PARSE_ELSE(p)) {
-
BcInstPtr *ip;
size_t *label;
@@ -4078,7 +4083,6 @@ static BcStatus bc_parse_endBody(BcParse *p, bool brace)
bc_vec_pop(&p->flags);
}
else {
-
BcInstPtr *ip = bc_vec_top(&p->exits);
size_t *label = bc_vec_top(&p->conds);
@@ -4093,8 +4097,11 @@ static BcStatus bc_parse_endBody(BcParse *p, bool brace)
bc_vec_pop(&p->conds);
}
- return s;
+ RETURN_STATUS(s);
}
+#if ERRORS_ARE_FATAL
+# define zbc_parse_endBody(...) (zbc_parse_endBody(__VA_ARGS__), BC_STATUS_SUCCESS)
+#endif
static void bc_parse_startBody(BcParse *p, uint8_t flags)
{
@@ -4284,23 +4291,24 @@ static BcStatus bc_parse_for(BcParse *p)
return BC_STATUS_SUCCESS;
}
-static BcStatus bc_parse_loopExit(BcParse *p, BcLexType type)
+static BC_STATUS zbc_parse_loopExit(BcParse *p, BcLexType type)
{
BcStatus s;
size_t i;
BcInstPtr *ip;
- if (!BC_PARSE_LOOP(p)) return bc_error_bad_token();
+ if (!BC_PARSE_LOOP(p)) RETURN_STATUS(bc_error_bad_token());
if (type == BC_LEX_KEY_BREAK) {
-
- if (p->exits.len == 0) return bc_error_bad_token();
+ if (p->exits.len == 0) RETURN_STATUS(bc_error_bad_token());
i = p->exits.len - 1;
ip = bc_vec_item(&p->exits, i);
- while (!ip->func && i < p->exits.len) ip = bc_vec_item(&p->exits, i--);
- if (i >= p->exits.len && !ip->func) return bc_error_bad_token();
+ while (!ip->func && i < p->exits.len)
+ ip = bc_vec_item(&p->exits, i--);
+ if (i >= p->exits.len && !ip->func)
+ RETURN_STATUS(bc_error_bad_token());
i = ip->idx;
}
@@ -4311,15 +4319,18 @@ static BcStatus bc_parse_loopExit(BcParse *p, BcLexType type)
bc_parse_pushIndex(p, i);
s = zbc_lex_next(&p->l);
- if (s) return s;
+ if (s) RETURN_STATUS(s);
if (p->l.t.t != BC_LEX_SCOLON && p->l.t.t != BC_LEX_NLINE)
- return bc_error_bad_token();
+ RETURN_STATUS(bc_error_bad_token());
- return zbc_lex_next(&p->l);
+ RETURN_STATUS(zbc_lex_next(&p->l));
}
+#if ERRORS_ARE_FATAL
+# define zbc_parse_loopExit(...) (zbc_parse_loopExit(__VA_ARGS__), BC_STATUS_SUCCESS)
+#endif
-static BcStatus bc_parse_func(BcParse *p)
+static BC_STATUS zbc_parse_func(BcParse *p)
{
BcStatus s;
bool var, comma = false;
@@ -4327,24 +4338,23 @@ static BcStatus bc_parse_func(BcParse *p)
char *name;
s = zbc_lex_next(&p->l);
- if (s) return s;
+ if (s) RETURN_STATUS(s);
if (p->l.t.t != BC_LEX_NAME)
- return bc_error("bad function definition");
+ RETURN_STATUS(bc_error("bad function definition"));
name = xstrdup(p->l.t.v.v);
bc_parse_addFunc(p, name, &p->fidx);
s = zbc_lex_next(&p->l);
- if (s) return s;
+ if (s) RETURN_STATUS(s);
if (p->l.t.t != BC_LEX_LPAREN)
- return bc_error("bad function definition");
+ RETURN_STATUS(bc_error("bad function definition"));
s = zbc_lex_next(&p->l);
- if (s) return s;
+ if (s) RETURN_STATUS(s);
while (p->l.t.t != BC_LEX_RPAREN) {
-
if (p->l.t.t != BC_LEX_NAME)
- return bc_error("bad function definition");
+ RETURN_STATUS(bc_error("bad function definition"));
++p->func->nparams;
@@ -4355,7 +4365,6 @@ static BcStatus bc_parse_func(BcParse *p)
var = p->l.t.t != BC_LEX_LBRACKET;
if (!var) {
-
s = zbc_lex_next(&p->l);
if (s) goto err;
@@ -4378,46 +4387,48 @@ static BcStatus bc_parse_func(BcParse *p)
if (s) goto err;
}
- if (comma) return bc_error("bad function definition");
+ if (comma) RETURN_STATUS(bc_error("bad function definition"));
flags = BC_PARSE_FLAG_FUNC | BC_PARSE_FLAG_FUNC_INNER | BC_PARSE_FLAG_BODY;
bc_parse_startBody(p, flags);
s = zbc_lex_next(&p->l);
- if (s) return s;
+ if (s) RETURN_STATUS(s);
if (p->l.t.t != BC_LEX_LBRACE)
s = bc_POSIX_requires("the left brace be on the same line as the function header");
- return s;
+ RETURN_STATUS(s);
err:
free(name);
- return s;
+ RETURN_STATUS(s);
}
+#if ERRORS_ARE_FATAL
+# define zbc_parse_func(...) (zbc_parse_func(__VA_ARGS__), BC_STATUS_SUCCESS)
+#endif
-static BcStatus bc_parse_auto(BcParse *p)
+static BC_STATUS zbc_parse_auto(BcParse *p)
{
BcStatus s;
bool comma, var, one;
char *name;
- if (!p->auto_part) return bc_error_bad_token();
+ if (!p->auto_part) RETURN_STATUS(bc_error_bad_token());
+
s = zbc_lex_next(&p->l);
- if (s) return s;
+ if (s) RETURN_STATUS(s);
p->auto_part = comma = false;
one = p->l.t.t == BC_LEX_NAME;
while (p->l.t.t == BC_LEX_NAME) {
-
name = xstrdup(p->l.t.v.v);
s = zbc_lex_next(&p->l);
if (s) goto err;
var = p->l.t.t != BC_LEX_LBRACKET;
if (!var) {
-
s = zbc_lex_next(&p->l);
if (s) goto err;
@@ -4440,20 +4451,23 @@ static BcStatus bc_parse_auto(BcParse *p)
if (s) goto err;
}
- if (comma) return bc_error("bad function definition");
- if (!one) return bc_error("no auto variable found");
+ if (comma) RETURN_STATUS(bc_error("bad function definition"));
+ if (!one) RETURN_STATUS(bc_error("no auto variable found"));
if (p->l.t.t != BC_LEX_NLINE && p->l.t.t != BC_LEX_SCOLON)
- return bc_error_bad_token();
+ RETURN_STATUS(bc_error_bad_token());
- return zbc_lex_next(&p->l);
+ RETURN_STATUS(zbc_lex_next(&p->l));
err:
free(name);
- return s;
+ RETURN_STATUS(s);
}
+#if ERRORS_ARE_FATAL
+# define zbc_parse_auto(...) (zbc_parse_auto(__VA_ARGS__), BC_STATUS_SUCCESS)
+#endif
-static BcStatus bc_parse_body(BcParse *p, bool brace)
+static BC_STATUS zbc_parse_body(BcParse *p, bool brace)
{
BcStatus s = BC_STATUS_SUCCESS;
uint8_t *flag_ptr = bc_vec_top(&p->flags);
@@ -4461,24 +4475,27 @@ static BcStatus bc_parse_body(BcParse *p, bool brace)
*flag_ptr &= ~(BC_PARSE_FLAG_BODY);
if (*flag_ptr & BC_PARSE_FLAG_FUNC_INNER) {
+ if (!brace) RETURN_STATUS(bc_error_bad_token());
- if (!brace) return bc_error_bad_token();
p->auto_part = p->l.t.t != BC_LEX_KEY_AUTO;
if (!p->auto_part) {
- s = bc_parse_auto(p);
- if (s) return s;
+ s = zbc_parse_auto(p);
+ if (s) RETURN_STATUS(s);
}
if (p->l.t.t == BC_LEX_NLINE) s = zbc_lex_next(&p->l);
}
else {
s = bc_parse_stmt(p);
- if (!s && !brace) s = bc_parse_endBody(p, false);
+ if (!s && !brace) s = zbc_parse_endBody(p, false);
}
- return s;
+ RETURN_STATUS(s);
}
+#if ERRORS_ARE_FATAL
+# define zbc_parse_body(...) (zbc_parse_body(__VA_ARGS__), BC_STATUS_SUCCESS)
+#endif
static BcStatus bc_parse_stmt(BcParse *p)
{
@@ -4505,12 +4522,12 @@ static BcStatus bc_parse_stmt(BcParse *p)
s = zbc_lex_next(&p->l);
if (s) return s;
- return bc_parse_body(p, true);
+ return zbc_parse_body(p, true);
}
case BC_LEX_KEY_AUTO:
{
- return bc_parse_auto(p);
+ return zbc_parse_auto(p);
}
default:
@@ -4522,7 +4539,7 @@ static BcStatus bc_parse_stmt(BcParse *p)
return BC_STATUS_SUCCESS;
}
else if (BC_PARSE_BODY(p))
- return bc_parse_body(p, false);
+ return zbc_parse_body(p, false);
break;
}
@@ -4563,20 +4580,20 @@ static BcStatus bc_parse_stmt(BcParse *p)
case BC_LEX_RBRACE:
{
- s = bc_parse_endBody(p, true);
+ s = zbc_parse_endBody(p, true);
break;
}
case BC_LEX_STR:
{
- s = bc_parse_string(p, BC_INST_PRINT_STR);
+ s = zbc_parse_string(p, BC_INST_PRINT_STR);
break;
}
case BC_LEX_KEY_BREAK:
case BC_LEX_KEY_CONTINUE:
{
- s = bc_parse_loopExit(p, p->l.t.t);
+ s = zbc_parse_loopExit(p, p->l.t.t);
break;
}
@@ -4662,7 +4679,7 @@ static FAST_FUNC BcStatus bc_parse_parse(BcParse *p)
s = p->flags.len > 0 ? bc_error("block end could not be found") : bc_error("end of file");
else if (p->l.t.t == BC_LEX_KEY_DEFINE) {
if (!BC_PARSE_CAN_EXEC(p)) return bc_error_bad_token();
- s = bc_parse_func(p);
+ s = zbc_parse_func(p);
}
else
s = bc_parse_stmt(p);
@@ -4703,7 +4720,7 @@ static BcStatus bc_parse_expr_empty_ok(BcParse *p, uint8_t flags, BcParseNext ne
case BC_LEX_OP_MINUS:
{
- s = bc_parse_minus(p, &prev, ops_bgn, rprn, &nexprs);
+ s = zbc_parse_minus(p, &prev, ops_bgn, rprn, &nexprs);
rprn = get_token = false;
bin_last = prev == BC_INST_MINUS;
break;
@@ -4854,7 +4871,7 @@ static BcStatus bc_parse_expr_empty_ok(BcParse *p, uint8_t flags, BcParseNext ne
else if (flags & BC_PARSE_NOREAD)
s = bc_error_nested_read_call();
else
- s = bc_parse_read(p);
+ s = zbc_parse_read(p);
paren_expr = true;
rprn = get_token = bin_last = false;
@@ -4961,20 +4978,23 @@ static BcStatus bc_parse_expression(BcParse *p, uint8_t flags)
#define DC_PARSE_BUF_LEN ((int) (sizeof(uint32_t) * CHAR_BIT))
-static BcStatus dc_parse_register(BcParse *p)
+static BC_STATUS zdc_parse_register(BcParse *p)
{
BcStatus s;
char *name;
s = zbc_lex_next(&p->l);
- if (s) return s;
- if (p->l.t.t != BC_LEX_NAME) return bc_error_bad_token();
+ if (s) RETURN_STATUS(s);
+ if (p->l.t.t != BC_LEX_NAME) RETURN_STATUS(bc_error_bad_token());
name = xstrdup(p->l.t.v.v);
bc_parse_pushName(p, name);
- return s;
+ RETURN_STATUS(s);
}
+#if ERRORS_ARE_FATAL
+# define zdc_parse_register(...) (zdc_parse_register(__VA_ARGS__), BC_STATUS_SUCCESS)
+#endif
static BC_STATUS zdc_parse_string(BcParse *p)
{
@@ -4996,14 +5016,14 @@ static BC_STATUS zdc_parse_string(BcParse *p)
# define zdc_parse_string(...) (zdc_parse_string(__VA_ARGS__), BC_STATUS_SUCCESS)
#endif
-static BcStatus dc_parse_mem(BcParse *p, uint8_t inst, bool name, bool store)
+static BC_STATUS zdc_parse_mem(BcParse *p, uint8_t inst, bool name, bool store)
{
BcStatus s;
bc_parse_push(p, inst);
if (name) {
- s = dc_parse_register(p);
- if (s) return s;
+ s = zdc_parse_register(p);
+ if (s) RETURN_STATUS(s);
}
if (store) {
@@ -5012,34 +5032,40 @@ static BcStatus dc_parse_mem(BcParse *p, uint8_t inst, bool name, bool store)
bc_parse_push(p, BC_INST_POP);
}
- return zbc_lex_next(&p->l);
+ RETURN_STATUS(zbc_lex_next(&p->l));
}
+#if ERRORS_ARE_FATAL
+# define zdc_parse_mem(...) (zdc_parse_mem(__VA_ARGS__), BC_STATUS_SUCCESS)
+#endif
-static BcStatus dc_parse_cond(BcParse *p, uint8_t inst)
+static BC_STATUS zdc_parse_cond(BcParse *p, uint8_t inst)
{
BcStatus s;
bc_parse_push(p, inst);
bc_parse_push(p, BC_INST_EXEC_COND);
- s = dc_parse_register(p);
- if (s) return s;
+ s = zdc_parse_register(p);
+ if (s) RETURN_STATUS(s);
s = zbc_lex_next(&p->l);
- if (s) return s;
+ if (s) RETURN_STATUS(s);
if (p->l.t.t == BC_LEX_ELSE) {
- s = dc_parse_register(p);
- if (s) return s;
+ s = zdc_parse_register(p);
+ if (s) RETURN_STATUS(s);
s = zbc_lex_next(&p->l);
}
else
bc_parse_push(p, BC_PARSE_STREND);
- return s;
+ RETURN_STATUS(s);
}
+#if ERRORS_ARE_FATAL
+# define zdc_parse_cond(...) (zdc_parse_cond(__VA_ARGS__), BC_STATUS_SUCCESS)
+#endif
-static BcStatus dc_parse_token(BcParse *p, BcLexType t, uint8_t flags)
+static BC_STATUS zdc_parse_token(BcParse *p, BcLexType t, uint8_t flags)
{
BcStatus s = BC_STATUS_SUCCESS;
BcInst prev;
@@ -5047,99 +5073,72 @@ static BcStatus dc_parse_token(BcParse *p, BcLexType t, uint8_t flags)
bool assign, get_token = false;
switch (t) {
-
case BC_LEX_OP_REL_EQ:
case BC_LEX_OP_REL_LE:
case BC_LEX_OP_REL_GE:
case BC_LEX_OP_REL_NE:
case BC_LEX_OP_REL_LT:
case BC_LEX_OP_REL_GT:
- {
- s = dc_parse_cond(p, t - BC_LEX_OP_REL_EQ + BC_INST_REL_EQ);
+ s = zdc_parse_cond(p, t - BC_LEX_OP_REL_EQ + BC_INST_REL_EQ);
break;
- }
-
case BC_LEX_SCOLON:
case BC_LEX_COLON:
- {
- s = dc_parse_mem(p, BC_INST_ARRAY_ELEM, true, t == BC_LEX_COLON);
+ s = zdc_parse_mem(p, BC_INST_ARRAY_ELEM, true, t == BC_LEX_COLON);
break;
- }
-
case BC_LEX_STR:
- {
s = zdc_parse_string(p);
break;
- }
-
case BC_LEX_NEG:
case BC_LEX_NUMBER:
- {
if (t == BC_LEX_NEG) {
s = zbc_lex_next(&p->l);
- if (s) return s;
+ if (s) RETURN_STATUS(s);
if (p->l.t.t != BC_LEX_NUMBER)
- return bc_error_bad_token();
+ RETURN_STATUS(bc_error_bad_token());
}
-
bc_parse_number(p, &prev, &p->nbraces);
-
if (t == BC_LEX_NEG) bc_parse_push(p, BC_INST_NEG);
get_token = true;
-
break;
- }
-
case BC_LEX_KEY_READ:
- {
if (flags & BC_PARSE_NOREAD)
s = bc_error_nested_read_call();
else
bc_parse_push(p, BC_INST_READ);
get_token = true;
break;
- }
-
case BC_LEX_OP_ASSIGN:
case BC_LEX_STORE_PUSH:
- {
assign = t == BC_LEX_OP_ASSIGN;
inst = assign ? BC_INST_VAR : BC_INST_PUSH_TO_VAR;
- s = dc_parse_mem(p, inst, true, assign);
+ s = zdc_parse_mem(p, inst, true, assign);
break;
- }
-
case BC_LEX_LOAD:
case BC_LEX_LOAD_POP:
- {
inst = t == BC_LEX_LOAD_POP ? BC_INST_PUSH_VAR : BC_INST_LOAD;
- s = dc_parse_mem(p, inst, true, false);
+ s = zdc_parse_mem(p, inst, true, false);
break;
- }
-
case BC_LEX_STORE_IBASE:
case BC_LEX_STORE_SCALE:
case BC_LEX_STORE_OBASE:
- {
inst = t - BC_LEX_STORE_IBASE + BC_INST_IBASE;
- s = dc_parse_mem(p, inst, false, true);
+ s = zdc_parse_mem(p, inst, false, true);
break;
- }
-
default:
- {
s = bc_error_bad_token();
get_token = true;
break;
- }
}
if (!s && get_token) s = zbc_lex_next(&p->l);
- return s;
+ RETURN_STATUS(s);
}
+#if ERRORS_ARE_FATAL
+# define zdc_parse_token(...) (zdc_parse_token(__VA_ARGS__), BC_STATUS_SUCCESS)
+#endif
-static BcStatus dc_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;
@@ -5148,22 +5147,23 @@ static BcStatus dc_parse_expr(BcParse *p, uint8_t flags)
if (flags & BC_PARSE_NOCALL) p->nbraces = G.prog.results.len;
for (t = p->l.t.t; !s && t != BC_LEX_EOF; t = p->l.t.t) {
-
inst = dc_parse_insts[t];
if (inst != BC_INST_INVALID) {
bc_parse_push(p, inst);
s = zbc_lex_next(&p->l);
- }
- else
- s = dc_parse_token(p, t, flags);
+ } else
+ s = zdc_parse_token(p, t, flags);
}
if (!s && p->l.t.t == BC_LEX_EOF && (flags & BC_PARSE_NOCALL))
bc_parse_push(p, BC_INST_POP_EXEC);
- return s;
+ RETURN_STATUS(s);
}
+#if ERRORS_ARE_FATAL
+# define zdc_parse_expr(...) (zdc_parse_expr(__VA_ARGS__), BC_STATUS_SUCCESS)
+#endif
static FAST_FUNC BcStatus dc_parse_parse(BcParse *p)
{
@@ -5172,7 +5172,7 @@ static FAST_FUNC BcStatus dc_parse_parse(BcParse *p)
if (p->l.t.t == BC_LEX_EOF)
s = bc_error("end of file");
else
- s = dc_parse_expr(p, 0);
+ s = zdc_parse_expr(p, 0);
if (s || G_interrupt) {
bc_parse_reset(p);
@@ -5203,7 +5203,7 @@ static BcStatus common_parse_expr(BcParse *p, uint8_t flags)
if (IS_BC) {
IF_BC(return bc_parse_expression(p, flags);)
} else {
- IF_DC(return dc_parse_expr(p, flags);)
+ IF_DC(return zdc_parse_expr(p, flags);)
}
}