refactor: remove char_u (#22829)

Closes https://github.com/neovim/neovim/issues/459

15 files changed, 27 insertions, 1648 deletions

diff --git a/test/functional/lua/ffi_spec.lua b/test/functional/lua/ffi_spec.lua
index c492c1e765..3a37b18cd1 100644
--- a/test/functional/lua/ffi_spec.lua
+++ b/test/functional/lua/ffi_spec.lua
@@ -25,7 +25,6 @@ describe('ffi.cdef', function()
       local ffi = require('ffi')
 
       ffi.cdef[[
-        typedef unsigned char char_u;
         typedef struct window_S win_T;
         typedef struct {} stl_hlrec_t;
         typedef struct {} StlClickRecord;
diff --git a/test/functional/treesitter/highlight_spec.lua b/test/functional/treesitter/highlight_spec.lua
index faeb4befcd..4e1efec404 100644
--- a/test/functional/treesitter/highlight_spec.lua
+++ b/test/functional/treesitter/highlight_spec.lua
@@ -413,7 +413,7 @@ describe('treesitter highlighting', function()
   it("supports injected languages", function()
     insert([[
     int x = INT_MAX;
-    #define READ_STRING(x, y) (char_u *)read_string((x), (size_t)(y))
+    #define READ_STRING(x, y) (char *)read_string((x), (size_t)(y))
     #define foo void main() { \
                   return 42;  \
                 }
@@ -421,7 +421,7 @@ describe('treesitter highlighting', function()
 
     screen:expect{grid=[[
       int x = INT_MAX;                                                 |
-      #define READ_STRING(x, y) (char_u *)read_string((x), (size_t)(y))|
+      #define READ_STRING(x, y) (char *)read_string((x), (size_t)(y))  |
       #define foo void main() { \                                      |
                     return 42;  \                                      |
                   }                                                    |
@@ -450,7 +450,7 @@ describe('treesitter highlighting', function()
 
     screen:expect{grid=[[
       {3:int} x = {5:INT_MAX};                                                 |
-      #define {5:READ_STRING}(x, y) ({3:char_u} *)read_string((x), ({3:size_t})(y))|
+      #define {5:READ_STRING}(x, y) ({3:char} *)read_string((x), ({3:size_t})(y))  |
       #define foo {3:void} main() { \                                      |
                     {4:return} {5:42};  \                                      |
                   }                                                    |
@@ -473,7 +473,7 @@ describe('treesitter highlighting', function()
   it("supports overriding queries, like ", function()
     insert([[
     int x = INT_MAX;
-    #define READ_STRING(x, y) (char_u *)read_string((x), (size_t)(y))
+    #define READ_STRING(x, y) (char *)read_string((x), (size_t)(y))
     #define foo void main() { \
                   return 42;  \
                 }
@@ -489,7 +489,7 @@ describe('treesitter highlighting', function()
 
     screen:expect{grid=[[
       {3:int} x = {5:INT_MAX};                                                 |
-      #define {5:READ_STRING}(x, y) ({3:char_u} *)read_string((x), ({3:size_t})(y))|
+      #define {5:READ_STRING}(x, y) ({3:char} *)read_string((x), ({3:size_t})(y))  |
       #define foo {3:void} main() { \                                      |
                     {4:return} {5:42};  \                                      |
                   }                                                    |
@@ -567,7 +567,7 @@ describe('treesitter highlighting', function()
   it("supports highlighting with priority", function()
     insert([[
     int x = INT_MAX;
-    #define READ_STRING(x, y) (char_u *)read_string((x), (size_t)(y))
+    #define READ_STRING(x, y) (char *)read_string((x), (size_t)(y))
     #define foo void main() { \
                   return 42;  \
                 }
@@ -580,7 +580,7 @@ describe('treesitter highlighting', function()
     -- expect everything to have Constant highlight
     screen:expect{grid=[[
       {12:int}{8: x = INT_MAX;}                                                 |
-      {8:#define READ_STRING(x, y) (char_u *)read_string((x), (size_t)(y))}|
+      {8:#define READ_STRING(x, y) (char *)read_string((x), (size_t)(y))}  |
       {8:#define foo void main() { \}                                      |
       {8:              return 42;  \}                                      |
       {8:            }}                                                    |
diff --git a/test/functional/treesitter/parser_spec.lua b/test/functional/treesitter/parser_spec.lua
index 72a8cd9e9b..ea9958b12a 100644
--- a/test/functional/treesitter/parser_spec.lua
+++ b/test/functional/treesitter/parser_spec.lua
@@ -627,8 +627,8 @@ end]]
     before_each(function()
       insert([[
 int x = INT_MAX;
-#define READ_STRING(x, y) (char_u *)read_string((x), (size_t)(y))
-#define READ_STRING_OK(x, y) (char_u *)read_string((x), (size_t)(y))
+#define READ_STRING(x, y) (char *)read_string((x), (size_t)(y))
+#define READ_STRING_OK(x, y) (char *)read_string((x), (size_t)(y))
 #define VALUE 123
 #define VALUE1 123
 #define VALUE2 123
@@ -650,8 +650,8 @@ int x = INT_MAX;
           {3, 14, 3, 17}, -- VALUE 123
           {4, 15, 4, 18}, -- VALUE1 123
           {5, 15, 5, 18}, -- VALUE2 123
-          {1, 26, 1, 65}, -- READ_STRING(x, y) (char_u *)read_string((x), (size_t)(y))
-          {2, 29, 2, 68}  -- READ_STRING_OK(x, y) (char_u *)read_string((x), (size_t)(y))
+          {1, 26, 1, 63}, -- READ_STRING(x, y) (char *)read_string((x), (size_t)(y))
+          {2, 29, 2, 66}  -- READ_STRING_OK(x, y) (char *)read_string((x), (size_t)(y))
         }, get_ranges())
 
         helpers.feed('ggo<esc>')
@@ -661,8 +661,8 @@ int x = INT_MAX;
           {4, 14, 4, 17}, -- VALUE 123
           {5, 15, 5, 18}, -- VALUE1 123
           {6, 15, 6, 18}, -- VALUE2 123
-          {2, 26, 2, 65}, -- READ_STRING(x, y) (char_u *)read_string((x), (size_t)(y))
-          {3, 29, 3, 68}  -- READ_STRING_OK(x, y) (char_u *)read_string((x), (size_t)(y))
+          {2, 26, 2, 63}, -- READ_STRING(x, y) (char *)read_string((x), (size_t)(y))
+          {3, 29, 3, 66}  -- READ_STRING_OK(x, y) (char *)read_string((x), (size_t)(y))
         }, get_ranges())
       end)
     end)
@@ -682,8 +682,8 @@ int x = INT_MAX;
           {3, 14, 5, 18}, -- VALUE 123
                           -- VALUE1 123
                           -- VALUE2 123
-          {1, 26, 2, 68}  -- READ_STRING(x, y) (char_u *)read_string((x), (size_t)(y))
-                          -- READ_STRING_OK(x, y) (char_u *)read_string((x), (size_t)(y))
+          {1, 26, 2, 66}  -- READ_STRING(x, y) (char *)read_string((x), (size_t)(y))
+                          -- READ_STRING_OK(x, y) (char *)read_string((x), (size_t)(y))
         }, get_ranges())
 
         helpers.feed('ggo<esc>')
@@ -694,8 +694,8 @@ int x = INT_MAX;
           {4, 14, 6, 18}, -- VALUE 123
                           -- VALUE1 123
                           -- VALUE2 123
-          {2, 26, 3, 68}  -- READ_STRING(x, y) (char_u *)read_string((x), (size_t)(y))
-                          -- READ_STRING_OK(x, y) (char_u *)read_string((x), (size_t)(y))
+          {2, 26, 3, 66}  -- READ_STRING(x, y) (char *)read_string((x), (size_t)(y))
+                          -- READ_STRING_OK(x, y) (char *)read_string((x), (size_t)(y))
         }, get_ranges())
       end)
     end)
@@ -722,8 +722,8 @@ int x = INT_MAX;
           {3, 14, 5, 18}, -- VALUE 123
                           -- VALUE1 123
                           -- VALUE2 123
-          {1, 26, 2, 68}  -- READ_STRING(x, y) (char_u *)read_string((x), (size_t)(y))
-                          -- READ_STRING_OK(x, y) (char_u *)read_string((x), (size_t)(y))
+          {1, 26, 2, 66}  -- READ_STRING(x, y) (char *)read_string((x), (size_t)(y))
+                          -- READ_STRING_OK(x, y) (char *)read_string((x), (size_t)(y))
         }, get_ranges())
 
         helpers.feed('ggo<esc>')
@@ -734,8 +734,8 @@ int x = INT_MAX;
           {4, 14, 6, 18}, -- VALUE 123
                           -- VALUE1 123
                           -- VALUE2 123
-          {2, 26, 3, 68}  -- READ_STRING(x, y) (char_u *)read_string((x), (size_t)(y))
-                          -- READ_STRING_OK(x, y) (char_u *)read_string((x), (size_t)(y))
+          {2, 26, 3, 66}  -- READ_STRING(x, y) (char *)read_string((x), (size_t)(y))
+                          -- READ_STRING_OK(x, y) (char *)read_string((x), (size_t)(y))
         }, get_ranges())
       end)
 
@@ -768,8 +768,8 @@ int x = INT_MAX;
           {3, 15, 3, 16}, -- VALUE 123
           {4, 16, 4, 17}, -- VALUE1 123
           {5, 16, 5, 17}, -- VALUE2 123
-          {1, 26, 1, 65}, -- READ_STRING(x, y) (char_u *)read_string((x), (size_t)(y))
-          {2, 29, 2, 68}  -- READ_STRING_OK(x, y) (char_u *)read_string((x), (size_t)(y))
+          {1, 26, 1, 63}, -- READ_STRING(x, y) (char *)read_string((x), (size_t)(y))
+          {2, 29, 2, 66}  -- READ_STRING_OK(x, y) (char *)read_string((x), (size_t)(y))
         }, get_ranges())
       end)
       it("should list all directives", function()
diff --git a/test/symbolic/klee/nvim/charset.c b/test/symbolic/klee/nvim/charset.c
deleted file mode 100644
index fd1c5ee4b9..0000000000
--- a/test/symbolic/klee/nvim/charset.c
+++ /dev/null
@@ -1,172 +0,0 @@
-#include <stdbool.h>
-
-#include "nvim/ascii.h"
-#include "nvim/macros.h"
-#include "nvim/charset.h"
-#include "nvim/eval/typval.h"
-#include "nvim/vim.h"
-
-int hex2nr(int c)
-{
-  if ((c >= 'a') && (c <= 'f')) {
-    return c - 'a' + 10;
-  }
-
-  if ((c >= 'A') && (c <= 'F')) {
-    return c - 'A' + 10;
-  }
-  return c - '0';
-}
-
-void vim_str2nr(const char_u *const start, int *const prep, int *const len,
-                const int what, varnumber_T *const nptr,
-                uvarnumber_T *const unptr, const int maxlen)
-{
-  const char *ptr = (const char *)start;
-#define STRING_ENDED(ptr) \
-    (!(maxlen == 0 || (int)((ptr) - (const char *)start) < maxlen))
-  int pre = 0;  // default is decimal
-  const bool negative = (ptr[0] == '-');
-  uvarnumber_T un = 0;
-
-  if (negative) {
-    ptr++;
-  }
-
-  if (what & STR2NR_FORCE) {
-    // When forcing main consideration is skipping the prefix. Octal and decimal
-    // numbers have no prefixes to skip. pre is not set.
-    switch ((unsigned)what & (~(unsigned)STR2NR_FORCE)) {
-      case STR2NR_HEX: {
-        if (!STRING_ENDED(ptr + 2)
-            && ptr[0] == '0'
-            && (ptr[1] == 'x' || ptr[1] == 'X')
-            && ascii_isxdigit(ptr[2])) {
-          ptr += 2;
-        }
-        goto vim_str2nr_hex;
-      }
-      case STR2NR_BIN: {
-        if (!STRING_ENDED(ptr + 2)
-            && ptr[0] == '0'
-            && (ptr[1] == 'b' || ptr[1] == 'B')
-            && ascii_isbdigit(ptr[2])) {
-          ptr += 2;
-        }
-        goto vim_str2nr_bin;
-      }
-      case STR2NR_OCT: {
-        goto vim_str2nr_oct;
-      }
-      case 0: {
-        goto vim_str2nr_dec;
-      }
-      default: {
-        abort();
-      }
-    }
-  } else if ((what & (STR2NR_HEX|STR2NR_OCT|STR2NR_BIN))
-             && !STRING_ENDED(ptr + 1)
-             && ptr[0] == '0' && ptr[1] != '8' && ptr[1] != '9') {
-    pre = ptr[1];
-    // Detect hexadecimal: 0x or 0X followed by hex digit
-    if ((what & STR2NR_HEX)
-        && !STRING_ENDED(ptr + 2)
-        && (pre == 'X' || pre == 'x')
-        && ascii_isxdigit(ptr[2])) {
-      ptr += 2;
-      goto vim_str2nr_hex;
-    }
-    // Detect binary: 0b or 0B followed by 0 or 1
-    if ((what & STR2NR_BIN)
-        && !STRING_ENDED(ptr + 2)
-        && (pre == 'B' || pre == 'b')
-        && ascii_isbdigit(ptr[2])) {
-      ptr += 2;
-      goto vim_str2nr_bin;
-    }
-    // Detect octal number: zero followed by octal digits without '8' or '9'
-    pre = 0;
-    if (!(what & STR2NR_OCT)) {
-      goto vim_str2nr_dec;
-    }
-    for (int i = 2; !STRING_ENDED(ptr + i) && ascii_isdigit(ptr[i]); i++) {
-      if (ptr[i] > '7') {
-        goto vim_str2nr_dec;
-      }
-    }
-    pre = '0';
-    goto vim_str2nr_oct;
-  } else {
-    goto vim_str2nr_dec;
-  }
-
-  // Do the string-to-numeric conversion "manually" to avoid sscanf quirks.
-  abort();  // Should’ve used goto earlier.
-#define PARSE_NUMBER(base, cond, conv) \
-  do { \
-    while (!STRING_ENDED(ptr) && (cond)) { \
-      /* avoid ubsan error for overflow */ \
-      if (un < UVARNUMBER_MAX / base) { \
-        un = base * un + (uvarnumber_T)(conv); \
-      } else { \
-        un = UVARNUMBER_MAX; \
-      } \
-      ptr++; \
-    } \
-  } while (0)
-  switch (pre) {
-    case 'b':
-    case 'B': {
-vim_str2nr_bin:
-      PARSE_NUMBER(2, (*ptr == '0' || *ptr == '1'), (*ptr - '0'));
-      break;
-    }
-    case '0': {
-vim_str2nr_oct:
-      PARSE_NUMBER(8, ('0' <= *ptr && *ptr <= '7'), (*ptr - '0'));
-      break;
-    }
-    case 0: {
-vim_str2nr_dec:
-      PARSE_NUMBER(10, (ascii_isdigit(*ptr)), (*ptr - '0'));
-      break;
-    }
-    case 'x':
-    case 'X': {
-vim_str2nr_hex:
-      PARSE_NUMBER(16, (ascii_isxdigit(*ptr)), (hex2nr(*ptr)));
-      break;
-    }
-  }
-#undef PARSE_NUMBER
-
-  if (prep != NULL) {
-    *prep = pre;
-  }
-
-  if (len != NULL) {
-    *len = (int)(ptr - (const char *)start);
-  }
-
-  if (nptr != NULL) {
-    if (negative) {  // account for leading '-' for decimal numbers
-      // avoid ubsan error for overflow
-      if (un > VARNUMBER_MAX) {
-        *nptr = VARNUMBER_MIN;
-      } else {
-        *nptr = -(varnumber_T)un;
-      }
-    } else {
-      if (un > VARNUMBER_MAX) {
-        un = VARNUMBER_MAX;
-      }
-      *nptr = (varnumber_T)un;
-    }
-  }
-
-  if (unptr != NULL) {
-    *unptr = un;
-  }
-#undef STRING_ENDED
-}
diff --git a/test/symbolic/klee/nvim/garray.c b/test/symbolic/klee/nvim/garray.c
deleted file mode 100644
index 260870c3c2..0000000000
--- a/test/symbolic/klee/nvim/garray.c
+++ /dev/null
@@ -1,195 +0,0 @@
-// 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
-
-/// @file garray.c
-///
-/// Functions for handling growing arrays.
-
-#include <string.h>
-#include <inttypes.h>
-
-#include "nvim/vim.h"
-#include "nvim/ascii.h"
-#include "nvim/log.h"
-#include "nvim/memory.h"
-#include "nvim/path.h"
-#include "nvim/garray.h"
-#include "nvim/strings.h"
-
-// #include "nvim/globals.h"
-#include "nvim/memline.h"
-
-#ifdef INCLUDE_GENERATED_DECLARATIONS
-# include "garray.c.generated.h"
-#endif
-
-/// Clear an allocated growing array.
-void ga_clear(garray_T *gap)
-{
-  xfree(gap->ga_data);
-
-  // Initialize growing array without resetting itemsize or growsize
-  gap->ga_data = NULL;
-  gap->ga_maxlen = 0;
-  gap->ga_len = 0;
-}
-
-/// Clear a growing array that contains a list of strings.
-///
-/// @param gap
-void ga_clear_strings(garray_T *gap)
-{
-  GA_DEEP_CLEAR_PTR(gap);
-}
-
-/// Initialize a growing array.
-///
-/// @param gap
-/// @param itemsize
-/// @param growsize
-void ga_init(garray_T *gap, int itemsize, int growsize)
-{
-  gap->ga_data = NULL;
-  gap->ga_maxlen = 0;
-  gap->ga_len = 0;
-  gap->ga_itemsize = itemsize;
-  ga_set_growsize(gap, growsize);
-}
-
-/// A setter for the growsize that guarantees it will be at least 1.
-///
-/// @param gap
-/// @param growsize
-void ga_set_growsize(garray_T *gap, int growsize)
-{
-  if (growsize < 1) {
-    WLOG("trying to set an invalid ga_growsize: %d", growsize);
-    gap->ga_growsize = 1;
-  } else {
-    gap->ga_growsize = growsize;
-  }
-}
-
-/// Make room in growing array "gap" for at least "n" items.
-///
-/// @param gap
-/// @param n
-void ga_grow(garray_T *gap, int n)
-{
-  if (gap->ga_maxlen - gap->ga_len >= n) {
-    // the garray still has enough space, do nothing
-    return;
-  }
-
-  if (gap->ga_growsize < 1) {
-    WLOG("ga_growsize(%d) is less than 1", gap->ga_growsize);
-  }
-
-  // the garray grows by at least growsize
-  if (n < gap->ga_growsize) {
-    n = gap->ga_growsize;
-  }
-  int new_maxlen = gap->ga_len + n;
-
-  size_t new_size = (size_t)(gap->ga_itemsize * new_maxlen);
-  size_t old_size = (size_t)(gap->ga_itemsize * gap->ga_maxlen);
-
-  // reallocate and clear the new memory
-  char *pp = xrealloc(gap->ga_data, new_size);
-  memset(pp + old_size, 0, new_size - old_size);
-
-  gap->ga_maxlen = new_maxlen;
-  gap->ga_data = pp;
-}
-
-/// For a growing array that contains a list of strings: concatenate all the
-/// strings with sep as separator.
-///
-/// @param gap
-/// @param sep
-///
-/// @returns the concatenated strings
-char_u *ga_concat_strings_sep(const garray_T *gap, const char *sep)
-  FUNC_ATTR_NONNULL_RET
-{
-  const size_t nelem = (size_t) gap->ga_len;
-  const char **strings = gap->ga_data;
-
-  if (nelem == 0) {
-    return (char_u *) xstrdup("");
-  }
-
-  size_t len = 0;
-  for (size_t i = 0; i < nelem; i++) {
-    len += strlen(strings[i]);
-  }
-
-  // add some space for the (num - 1) separators
-  len += (nelem - 1) * strlen(sep);
-  char *const ret = xmallocz(len);
-
-  char *s = ret;
-  for (size_t i = 0; i < nelem - 1; i++) {
-    s = xstpcpy(s, strings[i]);
-    s = xstpcpy(s, sep);
-  }
-  strcpy(s, strings[nelem - 1]);
-
-  return (char_u *) ret;
-}
-
-/// For a growing array that contains a list of strings: concatenate all the
-/// strings with a separating comma.
-///
-/// @param gap
-///
-/// @returns the concatenated strings
-char_u* ga_concat_strings(const garray_T *gap) FUNC_ATTR_NONNULL_RET
-{
-  return ga_concat_strings_sep(gap, ",");
-}
-
-/// Concatenate a string to a growarray which contains characters.
-/// When "s" is NULL does not do anything.
-///
-/// WARNING:
-/// - Does NOT copy the NUL at the end!
-/// - The parameter may not overlap with the growing array
-///
-/// @param gap
-/// @param s
-void ga_concat(garray_T *gap, const char_u *restrict s)
-{
-  if (s == NULL) {
-    return;
-  }
-
-  ga_concat_len(gap, (const char *restrict) s, strlen((char *) s));
-}
-
-/// Concatenate a string to a growarray which contains characters
-///
-/// @param[out]  gap  Growarray to modify.
-/// @param[in]  s  String to concatenate.
-/// @param[in]  len  String length.
-void ga_concat_len(garray_T *const gap, const char *restrict s,
-                   const size_t len)
-  FUNC_ATTR_NONNULL_ALL
-{
-  if (len) {
-    ga_grow(gap, (int) len);
-    char *data = gap->ga_data;
-    memcpy(data + gap->ga_len, s, len);
-    gap->ga_len += (int) len;
-  }
-}
-
-/// Append one byte to a growarray which contains bytes.
-///
-/// @param gap
-/// @param c
-void ga_append(garray_T *gap, char c)
-{
-  GA_APPEND(char, gap, c);
-}
-
diff --git a/test/symbolic/klee/nvim/gettext.c b/test/symbolic/klee/nvim/gettext.c
deleted file mode 100644
index b9cc98d770..0000000000
--- a/test/symbolic/klee/nvim/gettext.c
+++ /dev/null
@@ -1,4 +0,0 @@
-char *gettext(const char *s)
-{
-  return (char *)s;
-}
diff --git a/test/symbolic/klee/nvim/keymap.c b/test/symbolic/klee/nvim/keymap.c
deleted file mode 100644
index 1f7f0e0911..0000000000
--- a/test/symbolic/klee/nvim/keymap.c
+++ /dev/null
@@ -1,559 +0,0 @@
-#include <stdbool.h>
-
-#include "nvim/types.h"
-#include "nvim/keycodes.h"
-#include "nvim/ascii.h"
-#include "nvim/eval/typval.h"
-
-#define MOD_KEYS_ENTRY_SIZE 5
-
-static char_u modifier_keys_table[] =
-{
-  MOD_MASK_SHIFT, '&', '9',                   '@', '1',
-  MOD_MASK_SHIFT, '&', '0',                   '@', '2',
-  MOD_MASK_SHIFT, '*', '1',                   '@', '4',
-  MOD_MASK_SHIFT, '*', '2',                   '@', '5',
-  MOD_MASK_SHIFT, '*', '3',                   '@', '6',
-  MOD_MASK_SHIFT, '*', '4',                   'k', 'D',
-  MOD_MASK_SHIFT, '*', '5',                   'k', 'L',
-  MOD_MASK_SHIFT, '*', '7',                   '@', '7',
-  MOD_MASK_CTRL,  KS_EXTRA, (int)KE_C_END,    '@', '7',
-  MOD_MASK_SHIFT, '*', '9',                   '@', '9',
-  MOD_MASK_SHIFT, '*', '0',                   '@', '0',
-  MOD_MASK_SHIFT, '#', '1',                   '%', '1',
-  MOD_MASK_SHIFT, '#', '2',                   'k', 'h',
-  MOD_MASK_CTRL,  KS_EXTRA, (int)KE_C_HOME,   'k', 'h',
-  MOD_MASK_SHIFT, '#', '3',                   'k', 'I',
-  MOD_MASK_SHIFT, '#', '4',                   'k', 'l',
-  MOD_MASK_CTRL,  KS_EXTRA, (int)KE_C_LEFT,   'k', 'l',
-  MOD_MASK_SHIFT, '%', 'a',                   '%', '3',
-  MOD_MASK_SHIFT, '%', 'b',                   '%', '4',
-  MOD_MASK_SHIFT, '%', 'c',                   '%', '5',
-  MOD_MASK_SHIFT, '%', 'd',                   '%', '7',
-  MOD_MASK_SHIFT, '%', 'e',                   '%', '8',
-  MOD_MASK_SHIFT, '%', 'f',                   '%', '9',
-  MOD_MASK_SHIFT, '%', 'g',                   '%', '0',
-  MOD_MASK_SHIFT, '%', 'h',                   '&', '3',
-  MOD_MASK_SHIFT, '%', 'i',                   'k', 'r',
-  MOD_MASK_CTRL,  KS_EXTRA, (int)KE_C_RIGHT,  'k', 'r',
-  MOD_MASK_SHIFT, '%', 'j',                   '&', '5',
-  MOD_MASK_SHIFT, '!', '1',                   '&', '6',
-  MOD_MASK_SHIFT, '!', '2',                   '&', '7',
-  MOD_MASK_SHIFT, '!', '3',                   '&', '8',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_UP,     'k', 'u',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_DOWN,   'k', 'd',
-
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF1,    KS_EXTRA, (int)KE_XF1,
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF2,    KS_EXTRA, (int)KE_XF2,
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF3,    KS_EXTRA, (int)KE_XF3,
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF4,    KS_EXTRA, (int)KE_XF4,
-
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F1,     'k', '1',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F2,     'k', '2',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F3,     'k', '3',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F4,     'k', '4',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F5,     'k', '5',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F6,     'k', '6',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F7,     'k', '7',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F8,     'k', '8',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F9,     'k', '9',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F10,    'k', ';',
-
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F11,    'F', '1',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F12,    'F', '2',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F13,    'F', '3',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F14,    'F', '4',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F15,    'F', '5',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F16,    'F', '6',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F17,    'F', '7',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F18,    'F', '8',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F19,    'F', '9',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F20,    'F', 'A',
-
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F21,    'F', 'B',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F22,    'F', 'C',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F23,    'F', 'D',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F24,    'F', 'E',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F25,    'F', 'F',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F26,    'F', 'G',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F27,    'F', 'H',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F28,    'F', 'I',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F29,    'F', 'J',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F30,    'F', 'K',
-
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F31,    'F', 'L',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F32,    'F', 'M',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F33,    'F', 'N',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F34,    'F', 'O',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F35,    'F', 'P',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F36,    'F', 'Q',
-  MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F37,    'F', 'R',
-
-  MOD_MASK_SHIFT, 'k', 'B',                   KS_EXTRA, (int)KE_TAB,
-
-  NUL
-};
-
-int simplify_key(const int key, int *modifiers)
-{
-  if (*modifiers & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT)) {
-    // TAB is a special case.
-    if (key == TAB && (*modifiers & MOD_MASK_SHIFT)) {
-      *modifiers &= ~MOD_MASK_SHIFT;
-      return K_S_TAB;
-    }
-    const int key0 = KEY2TERMCAP0(key);
-    const int key1 = KEY2TERMCAP1(key);
-    for (int i = 0; modifier_keys_table[i] != NUL; i += MOD_KEYS_ENTRY_SIZE) {
-      if (key0 == modifier_keys_table[i + 3]
-          && key1 == modifier_keys_table[i + 4]
-          && (*modifiers & modifier_keys_table[i])) {
-        *modifiers &= ~modifier_keys_table[i];
-        return TERMCAP2KEY(modifier_keys_table[i + 1],
-                           modifier_keys_table[i + 2]);
-      }
-    }
-  }
-  return key;
-}
-
-int handle_x_keys(const int key)
-  FUNC_ATTR_CONST FUNC_ATTR_WARN_UNUSED_RESULT
-{
-  switch (key) {
-    case K_XUP:     return K_UP;
-    case K_XDOWN:   return K_DOWN;
-    case K_XLEFT:   return K_LEFT;
-    case K_XRIGHT:  return K_RIGHT;
-    case K_XHOME:   return K_HOME;
-    case K_ZHOME:   return K_HOME;
-    case K_XEND:    return K_END;
-    case K_ZEND:    return K_END;
-    case K_XF1:     return K_F1;
-    case K_XF2:     return K_F2;
-    case K_XF3:     return K_F3;
-    case K_XF4:     return K_F4;
-    case K_S_XF1:   return K_S_F1;
-    case K_S_XF2:   return K_S_F2;
-    case K_S_XF3:   return K_S_F3;
-    case K_S_XF4:   return K_S_F4;
-  }
-  return key;
-}
-
-static const struct key_name_entry {
-  int key;              // Special key code or ascii value
-  const char *name;           // Name of key
-} key_names_table[] = {
-  { ' ',               "Space" },
-  { TAB,               "Tab" },
-  { K_TAB,             "Tab" },
-  { NL,                "NL" },
-  { NL,                "NewLine" },     // Alternative name
-  { NL,                "LineFeed" },    // Alternative name
-  { NL,                "LF" },          // Alternative name
-  { CAR,               "CR" },
-  { CAR,               "Return" },      // Alternative name
-  { CAR,               "Enter" },       // Alternative name
-  { K_BS,              "BS" },
-  { K_BS,              "BackSpace" },   // Alternative name
-  { ESC,               "Esc" },
-  { CSI,               "CSI" },
-  { K_CSI,             "xCSI" },
-  { '|',               "Bar" },
-  { '\\',              "Bslash" },
-  { K_DEL,             "Del" },
-  { K_DEL,             "Delete" },      // Alternative name
-  { K_KDEL,            "kDel" },
-  { K_KDEL,            "KPPeriod" },    // termkey KPPeriod value
-  { K_UP,              "Up" },
-  { K_DOWN,            "Down" },
-  { K_LEFT,            "Left" },
-  { K_RIGHT,           "Right" },
-  { K_XUP,             "xUp" },
-  { K_XDOWN,           "xDown" },
-  { K_XLEFT,           "xLeft" },
-  { K_XRIGHT,          "xRight" },
-  { K_KUP,             "kUp" },
-  { K_KUP,             "KP8" },
-  { K_KDOWN,           "kDown" },
-  { K_KDOWN,           "KP2" },
-  { K_KLEFT,           "kLeft" },
-  { K_KLEFT,           "KP4" },
-  { K_KRIGHT,          "kRight" },
-  { K_KRIGHT,          "KP6" },
-
-  { K_F1,              "F1" },
-  { K_F2,              "F2" },
-  { K_F3,              "F3" },
-  { K_F4,              "F4" },
-  { K_F5,              "F5" },
-  { K_F6,              "F6" },
-  { K_F7,              "F7" },
-  { K_F8,              "F8" },
-  { K_F9,              "F9" },
-  { K_F10,             "F10" },
-
-  { K_F11,             "F11" },
-  { K_F12,             "F12" },
-  { K_F13,             "F13" },
-  { K_F14,             "F14" },
-  { K_F15,             "F15" },
-  { K_F16,             "F16" },
-  { K_F17,             "F17" },
-  { K_F18,             "F18" },
-  { K_F19,             "F19" },
-  { K_F20,             "F20" },
-
-  { K_F21,             "F21" },
-  { K_F22,             "F22" },
-  { K_F23,             "F23" },
-  { K_F24,             "F24" },
-  { K_F25,             "F25" },
-  { K_F26,             "F26" },
-  { K_F27,             "F27" },
-  { K_F28,             "F28" },
-  { K_F29,             "F29" },
-  { K_F30,             "F30" },
-
-  { K_F31,             "F31" },
-  { K_F32,             "F32" },
-  { K_F33,             "F33" },
-  { K_F34,             "F34" },
-  { K_F35,             "F35" },
-  { K_F36,             "F36" },
-  { K_F37,             "F37" },
-
-  { K_XF1,             "xF1" },
-  { K_XF2,             "xF2" },
-  { K_XF3,             "xF3" },
-  { K_XF4,             "xF4" },
-
-  { K_HELP,            "Help" },
-  { K_UNDO,            "Undo" },
-  { K_INS,             "Insert" },
-  { K_INS,             "Ins" },         // Alternative name
-  { K_KINS,            "kInsert" },
-  { K_KINS,            "KP0" },
-  { K_HOME,            "Home" },
-  { K_KHOME,           "kHome" },
-  { K_KHOME,           "KP7" },
-  { K_XHOME,           "xHome" },
-  { K_ZHOME,           "zHome" },
-  { K_END,             "End" },
-  { K_KEND,            "kEnd" },
-  { K_XEND,            "xEnd" },
-  { K_ZEND,            "zEnd" },
-  { K_PAGEUP,          "PageUp" },
-  { K_PAGEDOWN,        "PageDown" },
-  { K_KPAGEUP,         "kPageUp" },
-  { K_KPAGEUP,         "KP9" },
-  { K_KPAGEDOWN,       "kPageDown" },
-  { K_KPAGEDOWN,       "KP3" },
-  { K_KORIGIN,         "kOrigin" },
-  { K_KORIGIN,         "KP5" },
-
-  { K_KPLUS,           "kPlus" },
-  { K_KPLUS,           "KPPlus" },
-  { K_KMINUS,          "kMinus" },
-  { K_KMINUS,          "KPMinus" },
-  { K_KDIVIDE,         "kDivide" },
-  { K_KDIVIDE,         "KPDiv" },
-  { K_KMULTIPLY,       "kMultiply" },
-  { K_KMULTIPLY,       "KPMult" },
-  { K_KENTER,          "kEnter" },
-  { K_KENTER,          "KPEnter" },
-  { K_KPOINT,          "kPoint" },
-
-  { K_K0,              "k0" },
-  { K_K1,              "k1" },
-  { K_K2,              "k2" },
-  { K_K3,              "k3" },
-  { K_K4,              "k4" },
-  { K_K5,              "k5" },
-  { K_K6,              "k6" },
-  { K_K7,              "k7" },
-  { K_K8,              "k8" },
-  { K_K9,              "k9" },
-
-  { '<',               "lt" },
-
-  { K_MOUSE,           "Mouse" },
-  { K_LEFTMOUSE,       "LeftMouse" },
-  { K_LEFTMOUSE_NM,    "LeftMouseNM" },
-  { K_LEFTDRAG,        "LeftDrag" },
-  { K_LEFTRELEASE,     "LeftRelease" },
-  { K_LEFTRELEASE_NM,  "LeftReleaseNM" },
-  { K_MIDDLEMOUSE,     "MiddleMouse" },
-  { K_MIDDLEDRAG,      "MiddleDrag" },
-  { K_MIDDLERELEASE,   "MiddleRelease" },
-  { K_RIGHTMOUSE,      "RightMouse" },
-  { K_RIGHTDRAG,       "RightDrag" },
-  { K_RIGHTRELEASE,    "RightRelease" },
-  { K_MOUSEDOWN,       "ScrollWheelUp" },
-  { K_MOUSEUP,         "ScrollWheelDown" },
-  { K_MOUSELEFT,       "ScrollWheelRight" },
-  { K_MOUSERIGHT,      "ScrollWheelLeft" },
-  { K_MOUSEDOWN,       "MouseDown" },   // OBSOLETE: Use
-  { K_MOUSEUP,         "MouseUp" },     // ScrollWheelXXX instead
-  { K_X1MOUSE,         "X1Mouse" },
-  { K_X1DRAG,          "X1Drag" },
-  { K_X1RELEASE,       "X1Release" },
-  { K_X2MOUSE,         "X2Mouse" },
-  { K_X2DRAG,          "X2Drag" },
-  { K_X2RELEASE,       "X2Release" },
-  { K_DROP,            "Drop" },
-  { K_ZERO,            "Nul" },
-  { K_SNR,             "SNR" },
-  { K_PLUG,            "Plug" },
-  { K_PASTE,           "Paste" },
-  { 0,                 NULL }
-};
-
-int get_special_key_code(const char_u *name)
-{
-  for (int i = 0; key_names_table[i].name != NULL; i++) {
-    const char *const table_name = key_names_table[i].name;
-    int j;
-    for (j = 0; ascii_isident(name[j]) && table_name[j] != NUL; j++) {
-      if (TOLOWER_ASC(table_name[j]) != TOLOWER_ASC(name[j])) {
-        break;
-      }
-    }
-    if (!ascii_isident(name[j]) && table_name[j] == NUL) {
-      return key_names_table[i].key;