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>
This commit is contained in:
parent
9a34e89289
commit
8cd468f604
270
miscutils/bc.c
270
miscutils/bc.c
@ -3771,22 +3771,25 @@ err:
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return s;
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}
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static BcStatus bc_parse_read(BcParse *p)
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static BC_STATUS zbc_parse_read(BcParse *p)
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{
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BcStatus s;
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s = zbc_lex_next(&p->l);
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if (s) return s;
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if (p->l.t.t != BC_LEX_LPAREN) return bc_error_bad_token();
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if (s) RETURN_STATUS(s);
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if (p->l.t.t != BC_LEX_LPAREN) RETURN_STATUS(bc_error_bad_token());
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s = zbc_lex_next(&p->l);
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if (s) return s;
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if (p->l.t.t != BC_LEX_RPAREN) return bc_error_bad_token();
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if (s) RETURN_STATUS(s);
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if (p->l.t.t != BC_LEX_RPAREN) RETURN_STATUS(bc_error_bad_token());
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bc_parse_push(p, BC_INST_READ);
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return zbc_lex_next(&p->l);
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RETURN_STATUS(zbc_lex_next(&p->l));
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}
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#if ERRORS_ARE_FATAL
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# define zbc_parse_read(...) (zbc_parse_read(__VA_ARGS__), BC_STATUS_SUCCESS)
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#endif
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static BcStatus bc_parse_builtin(BcParse *p, BcLexType type, uint8_t flags,
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BcInst *prev)
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@ -3910,7 +3913,7 @@ static BcStatus bc_parse_incdec(BcParse *p, BcInst *prev, bool *paren_expr,
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return s;
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}
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static BcStatus bc_parse_minus(BcParse *p, BcInst *prev, size_t ops_bgn,
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static BC_STATUS zbc_parse_minus(BcParse *p, BcInst *prev, size_t ops_bgn,
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bool rparen, size_t *nexprs)
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{
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BcStatus s;
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@ -3918,7 +3921,7 @@ static BcStatus bc_parse_minus(BcParse *p, BcInst *prev, size_t ops_bgn,
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BcInst etype = *prev;
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s = zbc_lex_next(&p->l);
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if (s) return s;
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if (s) RETURN_STATUS(s);
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type = rparen || etype == BC_INST_INC_POST || etype == BC_INST_DEC_POST ||
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(etype >= BC_INST_NUM && etype <= BC_INST_SQRT) ?
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@ -3933,10 +3936,13 @@ static BcStatus bc_parse_minus(BcParse *p, BcInst *prev, size_t ops_bgn,
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else
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s = zbc_parse_operator(p, type, ops_bgn, nexprs, false);
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return s;
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RETURN_STATUS(s);
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}
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#if ERRORS_ARE_FATAL
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# define zbc_parse_minus(...) (zbc_parse_minus(__VA_ARGS__), BC_STATUS_SUCCESS)
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#endif
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static BcStatus bc_parse_string(BcParse *p, char inst)
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static BC_STATUS zbc_parse_string(BcParse *p, char inst)
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{
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char *str = xstrdup(p->l.t.v.v);
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@ -3945,8 +3951,11 @@ static BcStatus bc_parse_string(BcParse *p, char inst)
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bc_vec_push(&G.prog.strs, &str);
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bc_parse_push(p, inst);
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return zbc_lex_next(&p->l);
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RETURN_STATUS(zbc_lex_next(&p->l));
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}
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#if ERRORS_ARE_FATAL
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# define zbc_parse_string(...) (zbc_parse_string(__VA_ARGS__), BC_STATUS_SUCCESS)
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#endif
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static BcStatus bc_parse_print(BcParse *p)
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{
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@ -3966,7 +3975,7 @@ static BcStatus bc_parse_print(BcParse *p)
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while (type != BC_LEX_SCOLON && type != BC_LEX_NLINE) {
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if (type == BC_LEX_STR) {
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s = bc_parse_string(p, BC_INST_PRINT_POP);
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s = zbc_parse_string(p, BC_INST_PRINT_POP);
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if (s) return s;
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} else {
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s = bc_parse_expr(p, 0, bc_parse_next_print);
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@ -4023,32 +4032,29 @@ static BcStatus bc_parse_return(BcParse *p)
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return s;
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}
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static BcStatus bc_parse_endBody(BcParse *p, bool brace)
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static BC_STATUS zbc_parse_endBody(BcParse *p, bool brace)
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{
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BcStatus s = BC_STATUS_SUCCESS;
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if (p->flags.len <= 1 || (brace && p->nbraces == 0))
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return bc_error_bad_token();
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RETURN_STATUS(bc_error_bad_token());
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if (brace) {
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if (p->l.t.t == BC_LEX_RBRACE) {
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if (!p->nbraces) return bc_error_bad_token();
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if (p->l.t.t != BC_LEX_RBRACE)
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RETURN_STATUS(bc_error_bad_token());
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if (!p->nbraces)
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RETURN_STATUS(bc_error_bad_token());
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--p->nbraces;
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s = zbc_lex_next(&p->l);
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if (s) return s;
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}
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else
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return bc_error_bad_token();
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if (s) RETURN_STATUS(s);
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}
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if (BC_PARSE_IF(p)) {
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uint8_t *flag_ptr;
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while (p->l.t.t == BC_LEX_NLINE) {
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s = zbc_lex_next(&p->l);
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if (s) return s;
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if (s) RETURN_STATUS(s);
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}
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bc_vec_pop(&p->flags);
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@ -4060,7 +4066,6 @@ static BcStatus bc_parse_endBody(BcParse *p, bool brace)
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ERROR_RETURN(s =) zbc_parse_else(p);
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}
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else if (BC_PARSE_ELSE(p)) {
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BcInstPtr *ip;
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size_t *label;
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@ -4078,7 +4083,6 @@ static BcStatus bc_parse_endBody(BcParse *p, bool brace)
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bc_vec_pop(&p->flags);
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}
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else {
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BcInstPtr *ip = bc_vec_top(&p->exits);
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size_t *label = bc_vec_top(&p->conds);
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@ -4093,8 +4097,11 @@ static BcStatus bc_parse_endBody(BcParse *p, bool brace)
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bc_vec_pop(&p->conds);
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}
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return s;
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RETURN_STATUS(s);
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}
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#if ERRORS_ARE_FATAL
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# define zbc_parse_endBody(...) (zbc_parse_endBody(__VA_ARGS__), BC_STATUS_SUCCESS)
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#endif
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static void bc_parse_startBody(BcParse *p, uint8_t flags)
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{
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@ -4284,23 +4291,24 @@ static BcStatus bc_parse_for(BcParse *p)
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return BC_STATUS_SUCCESS;
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}
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static BcStatus bc_parse_loopExit(BcParse *p, BcLexType type)
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static BC_STATUS zbc_parse_loopExit(BcParse *p, BcLexType type)
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{
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BcStatus s;
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size_t i;
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BcInstPtr *ip;
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if (!BC_PARSE_LOOP(p)) return bc_error_bad_token();
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if (!BC_PARSE_LOOP(p)) RETURN_STATUS(bc_error_bad_token());
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if (type == BC_LEX_KEY_BREAK) {
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if (p->exits.len == 0) return bc_error_bad_token();
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if (p->exits.len == 0) RETURN_STATUS(bc_error_bad_token());
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i = p->exits.len - 1;
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ip = bc_vec_item(&p->exits, i);
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while (!ip->func && i < p->exits.len) ip = bc_vec_item(&p->exits, i--);
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if (i >= p->exits.len && !ip->func) return bc_error_bad_token();
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while (!ip->func && i < p->exits.len)
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ip = bc_vec_item(&p->exits, i--);
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if (i >= p->exits.len && !ip->func)
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RETURN_STATUS(bc_error_bad_token());
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i = ip->idx;
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}
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@ -4311,15 +4319,18 @@ static BcStatus bc_parse_loopExit(BcParse *p, BcLexType type)
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bc_parse_pushIndex(p, i);
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s = zbc_lex_next(&p->l);
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if (s) return s;
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if (s) RETURN_STATUS(s);
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if (p->l.t.t != BC_LEX_SCOLON && p->l.t.t != BC_LEX_NLINE)
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return bc_error_bad_token();
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RETURN_STATUS(bc_error_bad_token());
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return zbc_lex_next(&p->l);
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RETURN_STATUS(zbc_lex_next(&p->l));
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}
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#if ERRORS_ARE_FATAL
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# define zbc_parse_loopExit(...) (zbc_parse_loopExit(__VA_ARGS__), BC_STATUS_SUCCESS)
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#endif
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static BcStatus bc_parse_func(BcParse *p)
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static BC_STATUS zbc_parse_func(BcParse *p)
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{
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BcStatus s;
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bool var, comma = false;
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@ -4327,24 +4338,23 @@ static BcStatus bc_parse_func(BcParse *p)
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char *name;
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s = zbc_lex_next(&p->l);
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if (s) return s;
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if (s) RETURN_STATUS(s);
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if (p->l.t.t != BC_LEX_NAME)
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return bc_error("bad function definition");
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RETURN_STATUS(bc_error("bad function definition"));
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name = xstrdup(p->l.t.v.v);
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bc_parse_addFunc(p, name, &p->fidx);
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s = zbc_lex_next(&p->l);
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if (s) return s;
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if (s) RETURN_STATUS(s);
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if (p->l.t.t != BC_LEX_LPAREN)
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return bc_error("bad function definition");
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RETURN_STATUS(bc_error("bad function definition"));
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s = zbc_lex_next(&p->l);
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if (s) return s;
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if (s) RETURN_STATUS(s);
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while (p->l.t.t != BC_LEX_RPAREN) {
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if (p->l.t.t != BC_LEX_NAME)
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return bc_error("bad function definition");
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RETURN_STATUS(bc_error("bad function definition"));
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++p->func->nparams;
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@ -4355,7 +4365,6 @@ static BcStatus bc_parse_func(BcParse *p)
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var = p->l.t.t != BC_LEX_LBRACKET;
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if (!var) {
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s = zbc_lex_next(&p->l);
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if (s) goto err;
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@ -4378,46 +4387,48 @@ static BcStatus bc_parse_func(BcParse *p)
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if (s) goto err;
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}
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if (comma) return bc_error("bad function definition");
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if (comma) RETURN_STATUS(bc_error("bad function definition"));
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flags = BC_PARSE_FLAG_FUNC | BC_PARSE_FLAG_FUNC_INNER | BC_PARSE_FLAG_BODY;
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bc_parse_startBody(p, flags);
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s = zbc_lex_next(&p->l);
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if (s) return s;
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if (s) RETURN_STATUS(s);
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if (p->l.t.t != BC_LEX_LBRACE)
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s = bc_POSIX_requires("the left brace be on the same line as the function header");
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return s;
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RETURN_STATUS(s);
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err:
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free(name);
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return s;
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RETURN_STATUS(s);
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}
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#if ERRORS_ARE_FATAL
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# define zbc_parse_func(...) (zbc_parse_func(__VA_ARGS__), BC_STATUS_SUCCESS)
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#endif
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static BcStatus bc_parse_auto(BcParse *p)
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static BC_STATUS zbc_parse_auto(BcParse *p)
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{
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BcStatus s;
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bool comma, var, one;
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char *name;
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if (!p->auto_part) return bc_error_bad_token();
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if (!p->auto_part) RETURN_STATUS(bc_error_bad_token());
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s = zbc_lex_next(&p->l);
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if (s) return s;
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if (s) RETURN_STATUS(s);
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p->auto_part = comma = false;
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one = p->l.t.t == BC_LEX_NAME;
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while (p->l.t.t == BC_LEX_NAME) {
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name = xstrdup(p->l.t.v.v);
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s = zbc_lex_next(&p->l);
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if (s) goto err;
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var = p->l.t.t != BC_LEX_LBRACKET;
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if (!var) {
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s = zbc_lex_next(&p->l);
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if (s) goto err;
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@ -4440,20 +4451,23 @@ static BcStatus bc_parse_auto(BcParse *p)
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if (s) goto err;
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}
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if (comma) return bc_error("bad function definition");
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if (!one) return bc_error("no auto variable found");
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if (comma) RETURN_STATUS(bc_error("bad function definition"));
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if (!one) RETURN_STATUS(bc_error("no auto variable found"));
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if (p->l.t.t != BC_LEX_NLINE && p->l.t.t != BC_LEX_SCOLON)
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return bc_error_bad_token();
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RETURN_STATUS(bc_error_bad_token());
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return zbc_lex_next(&p->l);
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RETURN_STATUS(zbc_lex_next(&p->l));
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err:
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free(name);
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return s;
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RETURN_STATUS(s);
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}
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#if ERRORS_ARE_FATAL
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# define zbc_parse_auto(...) (zbc_parse_auto(__VA_ARGS__), BC_STATUS_SUCCESS)
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#endif
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static BcStatus bc_parse_body(BcParse *p, bool brace)
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static BC_STATUS zbc_parse_body(BcParse *p, bool brace)
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{
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BcStatus s = BC_STATUS_SUCCESS;
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uint8_t *flag_ptr = bc_vec_top(&p->flags);
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@ -4461,24 +4475,27 @@ static BcStatus bc_parse_body(BcParse *p, bool brace)
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*flag_ptr &= ~(BC_PARSE_FLAG_BODY);
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if (*flag_ptr & BC_PARSE_FLAG_FUNC_INNER) {
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if (!brace) RETURN_STATUS(bc_error_bad_token());
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if (!brace) return bc_error_bad_token();
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p->auto_part = p->l.t.t != BC_LEX_KEY_AUTO;
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if (!p->auto_part) {
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s = bc_parse_auto(p);
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if (s) return s;
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s = zbc_parse_auto(p);
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if (s) RETURN_STATUS(s);
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}
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if (p->l.t.t == BC_LEX_NLINE) s = zbc_lex_next(&p->l);
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}
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else {
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s = bc_parse_stmt(p);
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if (!s && !brace) s = bc_parse_endBody(p, false);
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if (!s && !brace) s = zbc_parse_endBody(p, false);
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}
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return s;
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RETURN_STATUS(s);
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}
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#if ERRORS_ARE_FATAL
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# define zbc_parse_body(...) (zbc_parse_body(__VA_ARGS__), BC_STATUS_SUCCESS)
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#endif
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static BcStatus bc_parse_stmt(BcParse *p)
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{
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@ -4505,12 +4522,12 @@ static BcStatus bc_parse_stmt(BcParse *p)
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s = zbc_lex_next(&p->l);
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if (s) return s;
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return bc_parse_body(p, true);
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return zbc_parse_body(p, true);
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}
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case BC_LEX_KEY_AUTO:
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{
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return bc_parse_auto(p);
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return zbc_parse_auto(p);
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}
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default:
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@ -4522,7 +4539,7 @@ static BcStatus bc_parse_stmt(BcParse *p)
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return BC_STATUS_SUCCESS;
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}
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else if (BC_PARSE_BODY(p))
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return bc_parse_body(p, false);
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return zbc_parse_body(p, false);
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break;
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}
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@ -4563,20 +4580,20 @@ static BcStatus bc_parse_stmt(BcParse *p)
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case BC_LEX_RBRACE:
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{
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s = bc_parse_endBody(p, true);
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s = zbc_parse_endBody(p, true);
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break;
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}
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case BC_LEX_STR:
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{
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s = bc_parse_string(p, BC_INST_PRINT_STR);
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s = zbc_parse_string(p, BC_INST_PRINT_STR);
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break;
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}
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case BC_LEX_KEY_BREAK:
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case BC_LEX_KEY_CONTINUE:
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{
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s = bc_parse_loopExit(p, p->l.t.t);
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s = zbc_parse_loopExit(p, p->l.t.t);
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break;
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}
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@ -4662,7 +4679,7 @@ static FAST_FUNC BcStatus bc_parse_parse(BcParse *p)
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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);)
|
||||
}
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user