diff options
| -rw-r--r-- | src/nvim/regexp_nfa.c | 52 |
1 files changed, 29 insertions, 23 deletions
diff --git a/src/nvim/regexp_nfa.c b/src/nvim/regexp_nfa.c index 1fd024a062..4020fa6e28 100644 --- a/src/nvim/regexp_nfa.c +++ b/src/nvim/regexp_nfa.c @@ -4762,48 +4762,54 @@ static int skip_to_start(int c, colnr_T *colp) */ static long find_match_text(colnr_T startcol, int regstart, char_u *match_text) { - colnr_T col = startcol; - int c1, c2; - int len1, len2; - int match; +#define PTR2LEN(x) enc_utf8 ? utf_ptr2len(x) : MB_PTR2LEN(x) - for (;; ) { - match = TRUE; - len2 = MB_CHAR2LEN(regstart); /* skip regstart */ - for (len1 = 0; match_text[len1] != NUL; len1 += MB_CHAR2LEN(c1)) { - c1 = PTR2CHAR(match_text + len1); - c2 = PTR2CHAR(regline + col + len2); - if (c1 != c2 && (!ireg_ic || vim_tolower(c1) != vim_tolower(c2))) { - match = FALSE; + colnr_T col = startcol; + int regstart_len = PTR2LEN(regline + startcol); + + for (;;) { + bool match = true; + char_u *s1 = match_text; + char_u *s2 = regline + col + regstart_len; // skip regstart + while (*s1) { + int c1_len = PTR2LEN(s1); + int c1 = PTR2CHAR(s1); + int c2_len = PTR2LEN(s2); + int c2 = PTR2CHAR(s2); + + if ((c1 != c2 && (!ireg_ic || vim_tolower(c1) != vim_tolower(c2))) || + c1_len != c2_len) { + match = false; break; } - len2 += MB_CHAR2LEN(c2); + s1 += c1_len; + s2 += c2_len; } if (match - /* check that no composing char follows */ - && !(enc_utf8 - && STRLEN(regline) > (size_t)(col + len2) - && utf_iscomposing(PTR2CHAR(regline + col + len2))) - ) { + // check that no composing char follows + && !(enc_utf8 && utf_iscomposing(PTR2CHAR(s2)))) { cleanup_subexpr(); if (REG_MULTI) { reg_startpos[0].lnum = reglnum; reg_startpos[0].col = col; reg_endpos[0].lnum = reglnum; - reg_endpos[0].col = col + len2; + reg_endpos[0].col = s2 - regline; } else { reg_startp[0] = regline + col; - reg_endp[0] = regline + col + len2; + reg_endp[0] = s2; } return 1L; } - /* Try finding regstart after the current match. */ - col += MB_CHAR2LEN(regstart); /* skip regstart */ - if (skip_to_start(regstart, &col) == FAIL) + // Try finding regstart after the current match. + col += regstart_len; // skip regstart + if (skip_to_start(regstart, &col) == FAIL) { break; + } } return 0L; + +#undef PTR2LEN } /* |