feat: Add support for :tab modifier

grammar.js

@@ -173,6 +173,7 @@ export default grammar({
           $.throw_statement,
           $.autocmd_statement,
           $.silent_statement,
+          $.tab_statement,
           $.vertical_statement,
           $.belowright_statement,
           $.aboveleft_statement,
@@ -587,6 +588,7 @@ export default grammar({
     execute_statement: ($) => command($, "execute", repeat1($._expression)),
 
     silent_statement: ($) => command_modifier($, "silent", true),
+    tab_statement: ($) => command_modifier($, "tab", false),
     vertical_statement: ($) => command_modifier($, "vertical", false),
     topleft_statement: ($) => command_modifier($, "topleft", false),
     botright_statement: ($) => command_modifier($, "botright", false),

queries/vim/highlights.scm

@@ -110,6 +110,7 @@
   "cnext"
   "cprevious"
   "cNext"
+  "tab"
   "vertical"
   "leftabove"
   "aboveleft"

rules/keywords.js

@@ -81,6 +81,7 @@ export function keywords($) {
     $._call,
     $._break,
     $._continue,
+    $._tab,
     $._vertical,
     $._leftabove,
     $._aboveleft,

src/keywords.h

@@ -79,21 +79,22 @@ typedef enum {
   CALL = 77,
   BREAK = 78,
   CONTINUE = 79,
-  VERTICAL = 80,
-  LEFTABOVE = 81,
-  ABOVELEFT = 82,
-  RIGHTBELOWS = 83,
-  BELOWRIGHT = 84,
-  TOPLEFT = 85,
-  BOTRIGHT = 86,
-  EDIT = 87,
-  ENEW = 88,
-  FIND = 89,
-  EX = 90,
-  VISUAL = 91,
-  VIEW = 92,
-  EVAL = 93,
-  SUBSTITUTE = 94,
+  TAB = 80,
+  VERTICAL = 81,
+  LEFTABOVE = 82,
+  ABOVELEFT = 83,
+  RIGHTBELOWS = 84,
+  BELOWRIGHT = 85,
+  TOPLEFT = 86,
+  BOTRIGHT = 87,
+  EDIT = 88,
+  ENEW = 89,
+  FIND = 90,
+  EX = 91,
+  VISUAL = 92,
+  VIEW = 93,
+  EVAL = 94,
+  SUBSTITUTE = 95,
   UNKNOWN_COMMAND
 } kwid;
 
@@ -498,6 +499,11 @@ keyword keywords[] = {
     .opt = "tinue",
     .ignore_comments_after = false
   },
+  [TAB] = {
+    .mandat = "tab",
+    .opt = "",
+    .ignore_comments_after = false
+  },
   [VERTICAL] = {
     .mandat = "vert",
     .opt = "ical",