refactor(uncrustify): disable formatting in problematic code sections

src/nvim/api/extmark.c

@@ -546,6 +546,8 @@ Integer nvim_buf_set_extmark(Buffer buffer, Integer ns_id, Integer line, Integer
     goto error;
   }
 
+  // uncrustify:off
+
   struct {
     const char *name;
     Object *opt;
@@ -559,6 +561,8 @@ Integer nvim_buf_set_extmark(Buffer buffer, Integer ns_id, Integer line, Integer
     { NULL, NULL, NULL },
   };
 
+  // uncrustify:on
+
   for (int j = 0; hls[j].name && hls[j].dest; j++) {
     if (HAS_KEY(*hls[j].opt)) {
       *hls[j].dest = object_to_hl_id(*hls[j].opt, hls[j].name, err);

src/nvim/assert.h

@@ -1,5 +1,3 @@
-// uncrustify:off
-
 #ifndef NVIM_ASSERT_H
 #define NVIM_ASSERT_H
 
@@ -110,6 +108,8 @@
 # define STATIC_ASSERT_STATEMENT STATIC_ASSERT_EXPR
 #endif
 
+// uncrustify:off
+
 #define ASSERT_CONCAT_(a, b) a##b
 #define ASSERT_CONCAT(a, b) ASSERT_CONCAT_(a, b)
 // These can't be used after statements in c89.
@@ -125,6 +125,8 @@
   ((enum { ASSERT_CONCAT(assert_line_, __LINE__) = 1/(!!(e)), }) 0)
 #endif
 
+// uncrustify:on
+
 /// @def STRICT_ADD
 /// @brief Adds (a + b) and stores result in `c`.  Aborts on overflow.
 ///

src/nvim/eval.c

@@ -3972,12 +3972,16 @@ static int eval6(char_u **arg, typval_T *rettv, int evaluate, int want_string)
         if (op == '*') {
           f1 = f1 * f2;
         } else if (op == '/') {
+          // uncrustify:off
+
           // Division by zero triggers error from AddressSanitizer
           f1 = (f2 == 0 ? (
 #ifdef NAN
               f1 == 0 ? (float_T)NAN :
 #endif
               (f1 > 0 ? (float_T)INFINITY : (float_T)-INFINITY)) : f1 / f2);
+
+          // uncrustify:on
         } else {
           emsg(_("E804: Cannot use '%' with Float"));
           return FAIL;

src/nvim/ex_cmds.c

@@ -4317,6 +4317,8 @@ skip:
               lnum -= regmatch.startpos[0].lnum;
             }
 
+            // uncrustify:off
+
 #define PUSH_PREVIEW_LINES() \
   do { \
     if (preview) { \
@@ -4336,6 +4338,8 @@ skip:
     } \
   } while (0)
 
+            // uncrustify:on
+
             // Push the match to preview_lines.
             PUSH_PREVIEW_LINES();
 

src/nvim/fileio.c

@@ -3,8 +3,6 @@
 
 // fileio.c: read from and write to a file
 
-// uncrustify:off
-
 #include <assert.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -4912,11 +4910,15 @@ int buf_check_timestamp(buf_T *buf)
   char *mesg = NULL;
   char *mesg2 = "";
   bool helpmesg = false;
+
+  // uncrustify:off
   enum {
     RELOAD_NONE,
     RELOAD_NORMAL,
     RELOAD_DETECT
   } reload = RELOAD_NONE;
+  // uncrustify:on
+
   bool can_reload = false;
   uint64_t orig_size = buf->b_orig_size;
   int orig_mode = buf->b_orig_mode;