vim-patch:8.1.1960: fold code is spread out (#19777)

Problem:    Fold code is spread out.
Solution:   Move fold functions to fold.c.
https://github.com/vim/vim/commit/db022f3ffb57c5ff4b97b4e93a994d11e4c10466

1 files changed, 0 insertions, 116 deletions

diff --git a/src/nvim/eval/funcs.c b/src/nvim/eval/funcs.c
index cb13f78422..41445f4c9d 100644
--- a/src/nvim/eval/funcs.c
+++ b/src/nvim/eval/funcs.c
@@ -2418,122 +2418,6 @@ static void f_fnamemodify(typval_T *argvars, typval_T *rettv, FunPtr fptr)
   xfree(fbuf);
 }
 
-/// "foldclosed()" function
-static void foldclosed_both(typval_T *argvars, typval_T *rettv, int end)
-{
-  const linenr_T lnum = tv_get_lnum(argvars);
-  if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count) {
-    linenr_T first;
-    linenr_T last;
-    if (hasFoldingWin(curwin, lnum, &first, &last, false, NULL)) {
-      if (end) {
-        rettv->vval.v_number = (varnumber_T)last;
-      } else {
-        rettv->vval.v_number = (varnumber_T)first;
-      }
-      return;
-    }
-  }
-  rettv->vval.v_number = -1;
-}
-
-/// "foldclosed()" function
-static void f_foldclosed(typval_T *argvars, typval_T *rettv, FunPtr fptr)
-{
-  foldclosed_both(argvars, rettv, false);
-}
-
-/// "foldclosedend()" function
-static void f_foldclosedend(typval_T *argvars, typval_T *rettv, FunPtr fptr)
-{
-  foldclosed_both(argvars, rettv, true);
-}
-
-/// "foldlevel()" function
-static void f_foldlevel(typval_T *argvars, typval_T *rettv, FunPtr fptr)
-{
-  const linenr_T lnum = tv_get_lnum(argvars);
-  if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count) {
-    rettv->vval.v_number = foldLevel(lnum);
-  }
-}
-
-/// "foldtext()" function
-static void f_foldtext(typval_T *argvars, typval_T *rettv, FunPtr fptr)
-{
-  rettv->v_type = VAR_STRING;
-  rettv->vval.v_string = NULL;
-
-  linenr_T foldstart = (linenr_T)get_vim_var_nr(VV_FOLDSTART);
-  linenr_T foldend = (linenr_T)get_vim_var_nr(VV_FOLDEND);
-  char_u *dashes = (char_u *)get_vim_var_str(VV_FOLDDASHES);
-  if (foldstart > 0 && foldend <= curbuf->b_ml.ml_line_count) {
-    // Find first non-empty line in the fold.
-    linenr_T lnum;
-    for (lnum = foldstart; lnum < foldend; lnum++) {
-      if (!linewhite(lnum)) {
-        break;
-      }
-    }
-
-    // Find interesting text in this line.
-    char_u *s = (char_u *)skipwhite((char *)ml_get(lnum));
-    // skip C comment-start
-    if (s[0] == '/' && (s[1] == '*' || s[1] == '/')) {
-      s = (char_u *)skipwhite((char *)s + 2);
-      if (*skipwhite((char *)s) == NUL && lnum + 1 < foldend) {
-        s = (char_u *)skipwhite((char *)ml_get(lnum + 1));
-        if (*s == '*') {
-          s = (char_u *)skipwhite((char *)s + 1);
-        }
-      }
-    }
-    int count = foldend - foldstart + 1;
-    char *txt = NGETTEXT("+-%s%3ld line: ", "+-%s%3ld lines: ", count);
-    size_t len = STRLEN(txt)
-                 + STRLEN(dashes)  // for %s
-                 + 20              // for %3ld
-                 + STRLEN(s);      // concatenated
-    char_u *r = xmalloc(len);
-    snprintf((char *)r, len, txt, dashes, count);
-    len = STRLEN(r);
-    STRCAT(r, s);
-    // remove 'foldmarker' and 'commentstring'
-    foldtext_cleanup(r + len);
-    rettv->vval.v_string = (char *)r;
-  }
-}
-
-/// "foldtextresult(lnum)" function
-static void f_foldtextresult(typval_T *argvars, typval_T *rettv, FunPtr fptr)
-{
-  char_u buf[FOLD_TEXT_LEN];
-  static bool entered = false;
-
-  rettv->v_type = VAR_STRING;
-  rettv->vval.v_string = NULL;
-  if (entered) {
-    return;  // reject recursive use
-  }
-  entered = true;
-  linenr_T lnum = tv_get_lnum(argvars);
-  // Treat illegal types and illegal string values for {lnum} the same.
-  if (lnum < 0) {
-    lnum = 0;
-  }
-
-  foldinfo_T info = fold_info(curwin, lnum);
-  if (info.fi_lines > 0) {
-    char_u *text = get_foldtext(curwin, lnum, lnum + info.fi_lines - 1, info, buf);
-    if (text == buf) {
-      text = vim_strsave(text);
-    }
-    rettv->vval.v_string = (char *)text;
-  }
-
-  entered = false;
-}
-
 /// "foreground()" function
 static void f_foreground(typval_T *argvars, typval_T *rettv, FunPtr fptr)
 {}