From: Denys Vlasenko Date: Wed, 19 Dec 2018 18:35:40 +0000 (+0100) Subject: bc: rename dc-specific functions, simplify zdc_program_execStr() a bit X-Git-Tag: 1_30_0~93 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=fa2107918386d8262356120f86b846c2c7493b73;p=oweals%2Fbusybox.git bc: rename dc-specific functions, simplify zdc_program_execStr() a bit function old new delta zbc_program_execStr 496 - -496 zdc_program_execStr - 491 +491 Signed-off-by: Denys Vlasenko --- diff --git a/miscutils/bc.c b/miscutils/bc.c index 6e15a8c26..fa24f0c9f 100644 --- a/miscutils/bc.c +++ b/miscutils/bc.c @@ -2449,7 +2449,7 @@ static BC_STATUS zbc_num_divmod(BcNum *a, BcNum *b, BcNum *c, BcNum *d, #define zbc_num_divmod(...) (zbc_num_divmod(__VA_ARGS__) COMMA_SUCCESS) #if ENABLE_DC -static BC_STATUS zbc_num_modexp(BcNum *a, BcNum *b, BcNum *c, BcNum *restrict d) +static BC_STATUS zdc_num_modexp(BcNum *a, BcNum *b, BcNum *c, BcNum *restrict d) { BcStatus s; BcNum base, exp, two, temp; @@ -2498,7 +2498,7 @@ static BC_STATUS zbc_num_modexp(BcNum *a, BcNum *b, BcNum *c, BcNum *restrict d) bc_num_free(&base); RETURN_STATUS(s); } -#define zbc_num_modexp(...) (zbc_num_modexp(__VA_ARGS__) COMMA_SUCCESS) +#define zdc_num_modexp(...) (zdc_num_modexp(__VA_ARGS__) COMMA_SUCCESS) #endif // ENABLE_DC #if ENABLE_BC @@ -2593,7 +2593,7 @@ static FAST_FUNC void bc_string_free(void *string) } #if ENABLE_DC -static void bc_result_copy(BcResult *d, BcResult *src) +static void dc_result_copy(BcResult *d, BcResult *src) { d->t = src->t; @@ -3589,7 +3589,7 @@ static void bc_parse_free(BcParse *p) bc_lex_free(&p->l); } -static void bc_parse_create(BcParse *p, size_t func) +static void bc_parse_create(BcParse *p, size_t fidx) { memset(p, 0, sizeof(BcParse)); @@ -3598,8 +3598,8 @@ static void bc_parse_create(BcParse *p, size_t func) bc_vec_init(&p->conds, sizeof(size_t), NULL); bc_vec_init(&p->ops, sizeof(BcLexType), NULL); - p->fidx = func; - p->func = bc_program_func(func); + p->fidx = fidx; + p->func = bc_program_func(fidx); } #if ENABLE_BC @@ -5295,7 +5295,7 @@ static void bc_num_printNewline(void) } #if ENABLE_DC -static FAST_FUNC void bc_num_printChar(size_t num, size_t width, bool radix) +static FAST_FUNC void dc_num_printChar(size_t num, size_t width, bool radix) { (void) radix; bb_putchar((char) num); @@ -5590,7 +5590,7 @@ static BC_STATUS zbc_program_logical(char inst) #define zbc_program_logical(...) (zbc_program_logical(__VA_ARGS__) COMMA_SUCCESS) #if ENABLE_DC -static BC_STATUS zbc_program_assignStr(BcResult *r, BcVec *v, bool push) +static BC_STATUS zdc_program_assignStr(BcResult *r, BcVec *v, bool push) { BcNum n2; BcResult res; @@ -5613,7 +5613,7 @@ static BC_STATUS zbc_program_assignStr(BcResult *r, BcVec *v, bool push) RETURN_STATUS(BC_STATUS_SUCCESS); } -#define zbc_program_assignStr(...) (zbc_program_assignStr(__VA_ARGS__) COMMA_SUCCESS) +#define zdc_program_assignStr(...) (zdc_program_assignStr(__VA_ARGS__) COMMA_SUCCESS) #endif // ENABLE_DC static BC_STATUS zbc_program_copyToVar(char *name, bool var) @@ -5635,7 +5635,7 @@ static BC_STATUS zbc_program_copyToVar(char *name, bool var) if (ptr->t == BC_RESULT_STR && !var) RETURN_STATUS(bc_error_variable_is_wrong_type()); if (ptr->t == BC_RESULT_STR) - RETURN_STATUS(zbc_program_assignStr(ptr, v, true)); + RETURN_STATUS(zdc_program_assignStr(ptr, v, true)); #endif s = zbc_program_num(ptr, &n, false); @@ -5680,7 +5680,7 @@ static BC_STATUS zbc_program_assign(char inst) RETURN_STATUS(bc_error_variable_is_wrong_type()); v = bc_program_search(left->d.id.name, true); - RETURN_STATUS(zbc_program_assignStr(right, v, false)); + RETURN_STATUS(zdc_program_assignStr(right, v, false)); } #endif @@ -6026,7 +6026,7 @@ static BC_STATUS zbc_program_builtin(char inst) #define zbc_program_builtin(...) (zbc_program_builtin(__VA_ARGS__) COMMA_SUCCESS) #if ENABLE_DC -static BC_STATUS zbc_program_divmod(void) +static BC_STATUS zdc_program_divmod(void) { BcStatus s; BcResult *opd1, *opd2, res, res2; @@ -6051,9 +6051,9 @@ static BC_STATUS zbc_program_divmod(void) bc_num_free(&res.d.n); RETURN_STATUS(s); } -#define zbc_program_divmod(...) (zbc_program_divmod(__VA_ARGS__) COMMA_SUCCESS) +#define zdc_program_divmod(...) (zdc_program_divmod(__VA_ARGS__) COMMA_SUCCESS) -static BC_STATUS zbc_program_modexp(void) +static BC_STATUS zdc_program_modexp(void) { BcStatus s; BcResult *r1, *r2, *r3, res; @@ -6083,7 +6083,7 @@ static BC_STATUS zbc_program_modexp(void) } bc_num_init(&res.d.n, n3->len); - s = zbc_num_modexp(n1, n2, n3, &res.d.n); + s = zdc_num_modexp(n1, n2, n3, &res.d.n); if (s) goto err; bc_vec_pop(&G.prog.results); @@ -6094,9 +6094,9 @@ static BC_STATUS zbc_program_modexp(void) bc_num_free(&res.d.n); RETURN_STATUS(s); } -#define zbc_program_modexp(...) (zbc_program_modexp(__VA_ARGS__) COMMA_SUCCESS) +#define zdc_program_modexp(...) (zdc_program_modexp(__VA_ARGS__) COMMA_SUCCESS) -static void bc_program_stackLen(void) +static void dc_program_stackLen(void) { BcResult res; size_t len = G.prog.results.len; @@ -6108,7 +6108,7 @@ static void bc_program_stackLen(void) bc_vec_push(&G.prog.results, &res); } -static BC_STATUS zbc_program_asciify(void) +static BC_STATUS zdc_program_asciify(void) { BcStatus s; BcResult *r, res; @@ -6179,36 +6179,37 @@ static BC_STATUS zbc_program_asciify(void) bc_num_free(&n); RETURN_STATUS(s); } -#define zbc_program_asciify(...) (zbc_program_asciify(__VA_ARGS__) COMMA_SUCCESS) +#define zdc_program_asciify(...) (zdc_program_asciify(__VA_ARGS__) COMMA_SUCCESS) -static BC_STATUS zbc_program_printStream(void) +static BC_STATUS zdc_program_printStream(void) { BcStatus s; BcResult *r; - BcNum *n = NULL; + BcNum *n; size_t idx; - char *str; if (!STACK_HAS_MORE_THAN(&G.prog.results, 0)) RETURN_STATUS(bc_error_stack_has_too_few_elements()); r = bc_vec_top(&G.prog.results); + n = NULL; // is this needed? s = zbc_program_num(r, &n, false); if (s) RETURN_STATUS(s); if (BC_PROG_NUM(r, n)) { - s = zbc_num_printNum(n, 0x100, 1, bc_num_printChar); + s = zbc_num_printNum(n, 0x100, 1, dc_num_printChar); } else { + char *str; idx = (r->t == BC_RESULT_STR) ? r->d.id.idx : n->rdx; str = *bc_program_str(idx); - printf("%s", str); + fputs(str, stdout); } RETURN_STATUS(s); } -#define zbc_program_printStream(...) (zbc_program_printStream(__VA_ARGS__) COMMA_SUCCESS) +#define zdc_program_printStream(...) (zdc_program_printStream(__VA_ARGS__) COMMA_SUCCESS) -static BC_STATUS zbc_program_nquit(void) +static BC_STATUS zdc_program_nquit(void) { BcStatus s; BcResult *opnd; @@ -6232,15 +6233,13 @@ static BC_STATUS zbc_program_nquit(void) RETURN_STATUS(s); } -#define zbc_program_nquit(...) (zbc_program_nquit(__VA_ARGS__) COMMA_SUCCESS) +#define zdc_program_nquit(...) (zdc_program_nquit(__VA_ARGS__) COMMA_SUCCESS) -static BC_STATUS zbc_program_execStr(char *code, size_t *bgn, bool cond) +static BC_STATUS zdc_program_execStr(char *code, size_t *bgn, bool cond) { BcStatus s = BC_STATUS_SUCCESS; BcResult *r; - char **str; BcFunc *f; - BcParse prs; BcInstPtr ip; size_t fidx, sidx; @@ -6298,21 +6297,25 @@ static BC_STATUS zbc_program_execStr(char *code, size_t *bgn, bool cond) fidx = sidx + BC_PROG_REQ_FUNCS; - str = bc_program_str(sidx); f = bc_program_func(fidx); if (f->code.len == 0) { + BcParse prs; + char *str; + bc_parse_create(&prs, fidx); - s = zbc_parse_text_init(&prs, *str); + str = *bc_program_str(sidx); + s = zbc_parse_text_init(&prs, str); if (s) goto err; s = zcommon_parse_expr(&prs, BC_PARSE_NOCALL); if (s) goto err; - if (prs.l.t.t != BC_LEX_EOF) { s = bc_error_bad_expression(); - goto err; + err: + bc_parse_free(&prs); + bc_vec_pop_all(&f->code); + goto exit; } - bc_parse_free(&prs); } @@ -6324,15 +6327,11 @@ static BC_STATUS zbc_program_execStr(char *code, size_t *bgn, bool cond) bc_vec_push(&G.prog.exestack, &ip); RETURN_STATUS(BC_STATUS_SUCCESS); - err: - bc_parse_free(&prs); - f = bc_program_func(fidx); - bc_vec_pop_all(&f->code); exit: bc_vec_pop(&G.prog.results); RETURN_STATUS(s); } -#define zbc_program_execStr(...) (zbc_program_execStr(__VA_ARGS__) COMMA_SUCCESS) +#define zdc_program_execStr(...) (zdc_program_execStr(__VA_ARGS__) COMMA_SUCCESS) #endif // ENABLE_DC static void bc_program_pushGlobal(char inst) @@ -6515,14 +6514,14 @@ static BC_STATUS zbc_program_exec(void) break; #if ENABLE_DC case BC_INST_MODEXP: - s = zbc_program_modexp(); + s = zdc_program_modexp(); break; case BC_INST_DIVMOD: - s = zbc_program_divmod(); + s = zdc_program_divmod(); break; case BC_INST_EXECUTE: case BC_INST_EXEC_COND: - s = zbc_program_execStr(code, &ip->idx, inst == BC_INST_EXEC_COND); + s = zdc_program_execStr(code, &ip->idx, inst == BC_INST_EXEC_COND); goto read_updated_ip; case BC_INST_PRINT_STACK: { size_t idx; @@ -6536,13 +6535,13 @@ static BC_STATUS zbc_program_exec(void) bc_vec_pop_all(&G.prog.results); break; case BC_INST_STACK_LEN: - bc_program_stackLen(); + dc_program_stackLen(); break; case BC_INST_DUPLICATE: if (!STACK_HAS_MORE_THAN(&G.prog.results, 0)) RETURN_STATUS(bc_error_stack_has_too_few_elements()); ptr = bc_vec_top(&G.prog.results); - bc_result_copy(&r, ptr); + dc_result_copy(&r, ptr); bc_vec_push(&G.prog.results, &r); break; case BC_INST_SWAP: { @@ -6557,10 +6556,10 @@ static BC_STATUS zbc_program_exec(void) break; } case BC_INST_ASCIIFY: - s = zbc_program_asciify(); + s = zdc_program_asciify(); break; case BC_INST_PRINT_STREAM: - s = zbc_program_printStream(); + s = zdc_program_printStream(); break; case BC_INST_LOAD: case BC_INST_PUSH_VAR: { @@ -6581,7 +6580,7 @@ static BC_STATUS zbc_program_exec(void) bc_vec_npop(&G.prog.exestack, 2); goto read_updated_ip; case BC_INST_NQUIT: - s = zbc_program_nquit(); + s = zdc_program_nquit(); //goto read_updated_ip; - just fall through to it #endif // ENABLE_DC read_updated_ip: