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authorDenys Vlasenko <vda.linux@googlemail.com>2018-12-12 23:10:08 +0100
committerDenys Vlasenko <vda.linux@googlemail.com>2018-12-12 23:14:44 +0100
commitc2265f526ee638fa6f9cbb6e13be69e49e1a0f71 (patch)
tree28195683344032efa37ff244d58b1a492397514f /miscutils/bc.c
parentc0ef23ca400012ca0f4c1cd098e32b685e8f4f09 (diff)
downloadbusybox-c2265f526ee638fa6f9cbb6e13be69e49e1a0f71.tar.gz
bc: remove lexer function pointer
function old new delta zbc_lex_next 81 1930 +1849 bc_parse_create 131 124 -7 common_parse_init 31 - -31 zdc_lex_token 672 - -672 zbc_lex_token 1193 - -1193 ------------------------------------------------------------------------------ (add/remove: 0/3 grow/shrink: 1/1 up/down: 1849/-1903) Total: -54 bytes text data bss dec hex filename 980634 485 7296 988415 f14ff busybox_old 980580 485 7296 988361 f14c9 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils/bc.c')
-rw-r--r--miscutils/bc.c54
1 files changed, 20 insertions, 34 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c
index 630a343d1..70ef0fa4a 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -549,9 +549,6 @@ enum {
# define BC_STATUS void
#endif
-struct BcLex;
-typedef BC_STATUS (*BcLexNext)(struct BcLex *) FAST_FUNC;
-
typedef struct BcLex {
const char *buf;
@@ -566,8 +563,6 @@ typedef struct BcLex {
BcVec v;
} t;
- BcLexNext next;
-
} BcLex;
#define BC_PARSE_STREND ((char) UCHAR_MAX)
@@ -2911,9 +2906,8 @@ static void bc_lex_name(BcLex *l)
//return BC_STATUS_SUCCESS;
}
-static void bc_lex_init(BcLex *l, BcLexNext next)
+static void bc_lex_init(BcLex *l)
{
- l->next = next;
bc_char_vec_init(&l->t.v);
}
@@ -2928,6 +2922,17 @@ static void bc_lex_file(BcLex *l)
l->newline = false;
}
+static BC_STATUS zbc_lex_token(BcLex *l);
+static BC_STATUS zdc_lex_token(BcLex *l);
+
+static BC_STATUS zcommon_lex_token(BcLex *l)
+{
+ if (IS_BC) {
+ IF_BC(RETURN_STATUS(zbc_lex_token(l));)
+ }
+ IF_DC(RETURN_STATUS(zdc_lex_token(l));)
+}
+
static BC_STATUS zbc_lex_next(BcLex *l)
{
BcStatus s;
@@ -2947,7 +2952,7 @@ static BC_STATUS zbc_lex_next(BcLex *l)
s = BC_STATUS_SUCCESS;
do {
//TODO: replace pointer with if(IS_BC)
- ERROR_RETURN(s =) l->next(l);
+ ERROR_RETURN(s =) zcommon_lex_token(l);
} while (!s && l->t.t == BC_LEX_WHITESPACE);
RETURN_STATUS(s);
@@ -3091,7 +3096,7 @@ static BC_STATUS zbc_lex_comment(BcLex *l)
# define zbc_lex_comment(...) (zbc_lex_comment(__VA_ARGS__), BC_STATUS_SUCCESS)
#endif
-static FAST_FUNC BC_STATUS zbc_lex_token(BcLex *l)
+static BC_STATUS zbc_lex_token(BcLex *l)
{
BcStatus s = BC_STATUS_SUCCESS;
char c = l->buf[l->i++], c2;
@@ -3341,7 +3346,7 @@ static BC_STATUS zdc_lex_string(BcLex *l)
# define zdc_lex_string(...) (zdc_lex_string(__VA_ARGS__), BC_STATUS_SUCCESS)
#endif
-static FAST_FUNC BC_STATUS zdc_lex_token(BcLex *l)
+static BC_STATUS zdc_lex_token(BcLex *l)
{
BcStatus s = BC_STATUS_SUCCESS;
char c = l->buf[l->i++], c2;
@@ -3563,11 +3568,11 @@ static void bc_parse_free(BcParse *p)
bc_lex_free(&p->l);
}
-static void bc_parse_create(BcParse *p, size_t func, BcLexNext next)
+static void bc_parse_create(BcParse *p, size_t func)
{
memset(p, 0, sizeof(BcParse));
- bc_lex_init(&p->l, next);
+ bc_lex_init(&p->l);
bc_vec_init(&p->flags, sizeof(uint8_t), NULL);
bc_vec_init(&p->exits, sizeof(BcInstPtr), NULL);
bc_vec_init(&p->conds, sizeof(size_t), NULL);
@@ -4933,11 +4938,6 @@ static BC_STATUS zbc_parse_expr(BcParse *p, uint8_t flags, BcParseNext next)
# define zbc_parse_expr(...) (zbc_parse_expr(__VA_ARGS__), BC_STATUS_SUCCESS)
#endif
-static void bc_parse_init(BcParse *p, size_t func)
-{
- bc_parse_create(p, func, zbc_lex_token);
-}
-
static BC_STATUS zbc_parse_expression(BcParse *p, uint8_t flags)
{
RETURN_STATUS(zbc_parse_expr(p, flags, bc_parse_next_read));
@@ -5159,22 +5159,8 @@ static BC_STATUS zdc_parse_parse(BcParse *p)
# define zdc_parse_parse(...) (zdc_parse_parse(__VA_ARGS__), BC_STATUS_SUCCESS)
#endif
-static void dc_parse_init(BcParse *p, size_t func)
-{
- bc_parse_create(p, func, zdc_lex_token);
-}
-
#endif // ENABLE_DC
-static void common_parse_init(BcParse *p, size_t func)
-{
- if (IS_BC) {
- IF_BC(bc_parse_init(p, func);)
- } else {
- IF_DC(dc_parse_init(p, func);)
- }
-}
-
static BC_STATUS zcommon_parse_expr(BcParse *p, uint8_t flags)
{
if (IS_BC) {
@@ -5411,7 +5397,7 @@ static BC_STATUS zbc_program_read(void)
bc_read_line(&buf);
- common_parse_init(&parse, BC_PROG_READ);
+ bc_parse_create(&parse, BC_PROG_READ);
bc_lex_file(&parse.l);
s = zbc_parse_text(&parse, buf.v);
@@ -6612,7 +6598,7 @@ static BC_STATUS zbc_program_execStr(char *code, size_t *bgn,
f = bc_program_func(fidx);
if (f->code.len == 0) {
- common_parse_init(&prs, fidx);
+ bc_parse_create(&prs, fidx);
s = zbc_parse_text(&prs, *str);
if (s) goto err;
s = zcommon_parse_expr(&prs, BC_PARSE_NOCALL);
@@ -7480,7 +7466,7 @@ static int bc_vm_init(const char *env_len)
if (IS_BC)
IF_BC(bc_vm_envArgs();)
bc_program_init();
- common_parse_init(&G.prs, BC_PROG_MAIN);
+ bc_parse_create(&G.prs, BC_PROG_MAIN);
if (isatty(0)) {
#if ENABLE_FEATURE_BC_SIGNALS