diff options
| -rw-r--r-- | miscutils/bc.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c index 06fcc8e..b3ffe7b 100644 --- a/miscutils/bc.c +++ b/miscutils/bc.c @@ -2965,7 +2965,7 @@ static BC_STATUS zbc_lex_next(BcLex *l) l->buf + l->i); ERROR_RETURN(s =) zcommon_lex_token(l); } while (!s && l->t.t == BC_LEX_WHITESPACE); - dbg_lex("next l->t.t:%d", l->t.t); + dbg_lex("l->t.t from string:%d", l->t.t); RETURN_STATUS(s); } @@ -4094,6 +4094,7 @@ static BC_STATUS zbc_parse_endBody(BcParse *p, bool brace) bc_vec_pop(&p->flags); flag_ptr = BC_PARSE_TOP_FLAG_PTR(p); + dbg_lex("%s:%d setting BC_PARSE_FLAG_IF_END bit", __func__, __LINE__); *flag_ptr = (*flag_ptr | BC_PARSE_FLAG_IF_END); if (p->l.t.t == BC_LEX_KEY_ELSE) @@ -4151,6 +4152,7 @@ static void bc_parse_noElse(BcParse *p) size_t *label; uint8_t *flag_ptr = BC_PARSE_TOP_FLAG_PTR(p); + dbg_lex("%s:%d clearing BC_PARSE_FLAG_IF_END bit", __func__, __LINE__); *flag_ptr = (*flag_ptr & ~(BC_PARSE_FLAG_IF_END)); ip = bc_vec_top(&p->exits); @@ -4200,7 +4202,7 @@ static BC_STATUS zbc_parse_else(BcParse *p) { BcInstPtr ip; - dbg_lex("%s:%d p->l.t.t:%d", __func__, __LINE__, p->l.t.t); + dbg_lex_enter("%s:%d entered", __func__, __LINE__); if (!BC_PARSE_IF_END(p)) RETURN_STATUS(bc_error_bad_token()); ip.idx = p->func->labels.len; @@ -4209,12 +4211,14 @@ static BC_STATUS zbc_parse_else(BcParse *p) bc_parse_push(p, BC_INST_JUMP); bc_parse_pushIndex(p, ip.idx); + dbg_lex("%s:%d calling bc_parse_noElse()", __func__, __LINE__); bc_parse_noElse(p); bc_vec_push(&p->exits, &ip); bc_vec_push(&p->func->labels, &ip.idx); bc_parse_startBody(p, BC_PARSE_FLAG_ELSE); + dbg_lex_done("%s:%d done", __func__, __LINE__); RETURN_STATUS(zbc_lex_next(&p->l)); } #if ERRORS_ARE_FATAL @@ -4520,9 +4524,11 @@ static BC_STATUS zbc_parse_body(BcParse *p, bool brace) BcStatus s = BC_STATUS_SUCCESS; uint8_t *flag_ptr = bc_vec_top(&p->flags); + dbg_lex_enter("%s:%d entered", __func__, __LINE__); *flag_ptr &= ~(BC_PARSE_FLAG_BODY); if (*flag_ptr & BC_PARSE_FLAG_FUNC_INNER) { + dbg_lex("%s:%d BC_PARSE_FLAG_FUNC_INNER", __func__, __LINE__); if (!brace) RETURN_STATUS(bc_error_bad_token()); p->auto_part = p->l.t.t != BC_LEX_KEY_AUTO; @@ -4535,10 +4541,12 @@ static BC_STATUS zbc_parse_body(BcParse *p, bool brace) if (p->l.t.t == BC_LEX_NLINE) s = zbc_lex_next(&p->l); } else { + dbg_lex("%s:%d !BC_PARSE_FLAG_FUNC_INNER", __func__, __LINE__); s = zbc_parse_stmt(p); if (!s && !brace) s = zbc_parse_endBody(p, false); } + dbg_lex_done("%s:%d done", __func__, __LINE__); RETURN_STATUS(s); } #if ERRORS_ARE_FATAL @@ -4553,6 +4561,7 @@ static BC_STATUS zbc_parse_stmt(BcParse *p) dbg_lex_enter("%s:%d entered, p->l.t.t:%d", __func__, __LINE__, p->l.t.t); switch (p->l.t.t) { case BC_LEX_NLINE: + dbg_lex_done("%s:%d done (seen BC_LEX_NLINE)", __func__, __LINE__); RETURN_STATUS(zbc_lex_next(&p->l)); case BC_LEX_KEY_ELSE: @@ -4564,6 +4573,7 @@ static BC_STATUS zbc_parse_stmt(BcParse *p) ++p->nbraces; s = zbc_lex_next(&p->l); if (s) RETURN_STATUS(s); + dbg_lex_done("%s:%d done (returning zbc_parse_body())", __func__, __LINE__); RETURN_STATUS(zbc_parse_body(p, true)); case BC_LEX_KEY_AUTO: @@ -4573,10 +4583,13 @@ static BC_STATUS zbc_parse_stmt(BcParse *p) p->auto_part = false; if (BC_PARSE_IF_END(p)) { bc_parse_noElse(p); + dbg_lex_done("%s:%d done (BC_PARSE_IF_END is true)", __func__, __LINE__); RETURN_STATUS(BC_STATUS_SUCCESS); } - if (BC_PARSE_BODY(p)) + if (BC_PARSE_BODY(p)) { + dbg_lex_done("%s:%d done (returning zbc_parse_body())", __func__, __LINE__); RETURN_STATUS(zbc_parse_body(p, false)); + } break; } @@ -4705,6 +4718,7 @@ static BcStatus bc_parse_expr_empty_ok(BcParse *p, uint8_t flags, BcParseNext ne unsigned nparens, nrelops; bool paren_first, paren_expr, rprn, done, get_token, assign, bin_last; + dbg_lex_enter("%s:%d entered", __func__, __LINE__); paren_first = p->l.t.t == BC_LEX_LPAREN; nparens = nrelops = 0; paren_expr = rprn = done = get_token = assign = false; @@ -4803,8 +4817,10 @@ static BcStatus bc_parse_expr_empty_ok(BcParse *p, uint8_t flags, BcParseNext ne get_token = false; break; } - else if (!paren_expr) + else if (!paren_expr) { + dbg_lex_done("%s:%d done (returning EMPTY_EXP)", __func__, __LINE__); return BC_STATUS_PARSE_EMPTY_EXP; + } --nparens; paren_expr = rprn = true; @@ -4952,6 +4968,7 @@ static BcStatus bc_parse_expr_empty_ok(BcParse *p, uint8_t flags, BcParseNext ne bc_parse_push(p, BC_INST_POP); } + dbg_lex_done("%s:%d done", __func__, __LINE__); return s; } |