diff options
Diffstat (limited to 'src/nvim/regexp_nfa.c')
| -rw-r--r-- | src/nvim/regexp_nfa.c | 49 |
1 files changed, 26 insertions, 23 deletions
diff --git a/src/nvim/regexp_nfa.c b/src/nvim/regexp_nfa.c index 5b49ab38f0..139772d51e 100644 --- a/src/nvim/regexp_nfa.c +++ b/src/nvim/regexp_nfa.c @@ -1,3 +1,6 @@ +// This is an open source non-commercial project. Dear PVS-Studio, please check +// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + /* * NFA regular expression implementation. * @@ -2772,15 +2775,10 @@ static int nfa_max_width(nfa_state_T *startstate, int depth) case NFA_ANY: case NFA_START_COLL: case NFA_START_NEG_COLL: - /* matches some character, including composing chars */ - if (enc_utf8) - len += MB_MAXBYTES; - else if (has_mbyte) - len += 2; - else - ++len; + // Matches some character, including composing chars. + len += MB_MAXBYTES; if (state->c != NFA_ANY) { - /* skip over the characters */ + // Skip over the characters. state = state->out1->out; continue; } @@ -4373,7 +4371,7 @@ static int check_char_class(int class, int c) return OK; break; case NFA_CLASS_LOWER: - if (vim_islower(c) && c != 170 && c != 186) { + if (mb_islower(c) && c != 170 && c != 186) { return OK; } break; @@ -4391,8 +4389,9 @@ static int check_char_class(int class, int c) return OK; break; case NFA_CLASS_UPPER: - if (vim_isupper(c)) + if (mb_isupper(c)) { return OK; + } break; case NFA_CLASS_XDIGIT: if (ascii_isxdigit(c)) @@ -4411,8 +4410,9 @@ static int check_char_class(int class, int c) return OK; break; case NFA_CLASS_ESCAPE: - if (c == '\033') + if (c == ESC) { return OK; + } break; default: @@ -4892,7 +4892,7 @@ static long find_match_text(colnr_T startcol, int regstart, char_u *match_text) int c2_len = PTR2LEN(s2); int c2 = PTR2CHAR(s2); - if ((c1 != c2 && (!ireg_ic || vim_tolower(c1) != vim_tolower(c2))) + if ((c1 != c2 && (!ireg_ic || mb_tolower(c1) != mb_tolower(c2))) || c1_len != c2_len) { match = false; break; @@ -5585,22 +5585,24 @@ static int nfa_regmatch(nfa_regprog_T *prog, nfa_state_T *start, break; } if (ireg_ic) { - int curc_low = vim_tolower(curc); - int done = FALSE; + int curc_low = mb_tolower(curc); + int done = false; - for (; c1 <= c2; ++c1) - if (vim_tolower(c1) == curc_low) { + for (; c1 <= c2; c1++) { + if (mb_tolower(c1) == curc_low) { result = result_if_matched; done = TRUE; break; } - if (done) + } + if (done) { break; + } } } else if (state->c < 0 ? check_char_class(state->c, curc) : (curc == state->c - || (ireg_ic && vim_tolower(curc) - == vim_tolower(state->c)))) { + || (ireg_ic && mb_tolower(curc) + == mb_tolower(state->c)))) { result = result_if_matched; break; } @@ -6003,8 +6005,9 @@ static int nfa_regmatch(nfa_regprog_T *prog, nfa_state_T *start, #endif result = (c == curc); - if (!result && ireg_ic) - result = vim_tolower(c) == vim_tolower(curc); + if (!result && ireg_ic) { + result = mb_tolower(c) == mb_tolower(curc); + } // If ireg_icombine is not set only skip over the character // itself. When it is set skip over composing characters. @@ -6152,8 +6155,8 @@ static int nfa_regmatch(nfa_regprog_T *prog, nfa_state_T *start, // Checking if the required start character matches is // cheaper than adding a state that won't match. c = PTR2CHAR(reginput + clen); - if (c != prog->regstart && (!ireg_ic || vim_tolower(c) - != vim_tolower(prog->regstart))) { + if (c != prog->regstart && (!ireg_ic || mb_tolower(c) + != mb_tolower(prog->regstart))) { #ifdef REGEXP_DEBUG fprintf(log_fd, " Skipping start state, regstart does not match\n"); |