Add :setglobal command

src/main/antlr/Vimscript.g4

@@ -110,7 +110,7 @@ command:
     (WS | COLON)* range? (WS | COLON)*
       name = (
         Y_LOWERCASE | YANK_LINES | X_LOWERCASE | WRITE_QUIT | WRITE_PREVIOUS | WRITE_NEXT | W_LOWERCASE | WRITE
-        | WRITE_ALL | U_LOWERCASE | UNDO | TAB_ONLY | TAB_CLOSE | SOURCE | V_SPLIT | SPLIT | SHELL | SET_HANDLER | SET | SETLOCAL
+        | WRITE_ALL | U_LOWERCASE | UNDO | TAB_ONLY | TAB_CLOSE | SOURCE | V_SPLIT | SPLIT | SHELL | SET_HANDLER | SET | SETGLOBAL | SETLOCAL
         | SELECT_LAST_FILE | SELECT_FIRST_FILE | SELECT_FILE | AT | REDO | Q_LOWERCASE | QUIT | PUT_LINES | PROMPT_FIND
         | PROMPT_REPLACE | P_LOWERCASE | P_UPPERCASE | PRINT | PREVIOUS_TAB | N_UPPERCASE | PREVIOUS_FILE | PLUG
         | ONLY | NO_HL_SEARCH | NEXT_TAB | N_LOWERCASE | NEXT_FILE | M_LOWERCASE | MOVE_TEXT | MARKS | K_LOWERCASE
@@ -484,6 +484,7 @@ existingCommands:       RETURN
                     |   SELECT_FIRST_FILE
                     |   SELECT_LAST_FILE
                     |   SET
+                    |   SETGLOBAL
                     |   SETLOCAL
                     |   SET_HANDLER
                     |   SHELL
@@ -658,6 +659,7 @@ SELECT_FILE:            'argu' | 'argum' | 'argume' | 'argumen' | 'argument';
 SELECT_FIRST_FILE:      'fir' | 'firs' | 'first';
 SELECT_LAST_FILE:       'la' | 'las' | 'last';
 SET:                    'se' | 'set';
+SETGLOBAL:              'setg' | 'setgl' | 'setglo' | 'setglob' | 'setgloba' | 'setglobal';
 SETLOCAL:               'setl' | 'setlo' | 'setloc' | 'setloca' | 'setlocal';
 SET_HANDLER:            'sethandler';
 SHELL:                  'sh' | 'she' | 'shel' | 'shell';

src/main/java/com/maddyhome/idea/vim/vimscript/parser/visitors/CommandVisitor.kt

@@ -70,8 +70,9 @@ import com.maddyhome.idea.vim.vimscript.model.commands.SelectFileCommand
 import com.maddyhome.idea.vim.vimscript.model.commands.SelectFirstFileCommand
 import com.maddyhome.idea.vim.vimscript.model.commands.SelectLastFileCommand
 import com.maddyhome.idea.vim.vimscript.model.commands.SetCommand
+import com.maddyhome.idea.vim.vimscript.model.commands.SetglobalCommand
 import com.maddyhome.idea.vim.vimscript.model.commands.SetHandlerCommand
-import com.maddyhome.idea.vim.vimscript.model.commands.SetLocalCommand
+import com.maddyhome.idea.vim.vimscript.model.commands.SetlocalCommand
 import com.maddyhome.idea.vim.vimscript.model.commands.ShellCommand
 import com.maddyhome.idea.vim.vimscript.model.commands.ShiftLeftCommand
 import com.maddyhome.idea.vim.vimscript.model.commands.ShiftRightCommand
@@ -602,11 +603,17 @@ internal object CommandVisitor : VimscriptBaseVisitor<Command>() {
     "last" to SelectLastFileCommand::class,
     "se" to SetCommand::class,
     "set" to SetCommand::class,
-    "setl" to SetLocalCommand::class,
-    "setlo" to SetLocalCommand::class,
-    "setloc" to SetLocalCommand::class,
-    "setloca" to SetLocalCommand::class,
-    "setlocal" to SetLocalCommand::class,
+    "setg" to SetglobalCommand::class,
+    "setgl" to SetglobalCommand::class,
+    "setglo" to SetglobalCommand::class,
+    "setglob" to SetglobalCommand::class,
+    "setgloba" to SetglobalCommand::class,
+    "setglobal" to SetglobalCommand::class,
+    "setl" to SetlocalCommand::class,
+    "setlo" to SetlocalCommand::class,
+    "setloc" to SetlocalCommand::class,
+    "setloca" to SetlocalCommand::class,
+    "setlocal" to SetlocalCommand::class,
     "sethandler" to SetHandlerCommand::class,
     "sh" to ShellCommand::class,
     "she" to ShellCommand::class,

src/test/java/org/jetbrains/plugins/ideavim/ex/implementation/commands/SetCommandTest.kt

@@ -335,6 +335,6 @@ class SetCommandTest : VimTestCase() {
     assertCommandOutput("set virtualedit?", "  virtualedit=block\n")
     assertCommandOutput("setlocal virtualedit?", "  virtualedit=\n")
 
-    // Note that :setlocal virtualedit< has different behaviour. See SetLocalCommandTest
+    // Note that :setlocal virtualedit< has different behaviour. See SetlocalCommandTest
   }
 }