refactor(dirchanged): tab -> tabpage

Match Vim's behavior.

runtime/doc/autocmd.txt

@@ -520,10 +520,10 @@ DiffUpdated			After diffs have been updated.  Depending on
 							*DirChanged*
 DirChanged			After the |current-directory| was changed.
 				The pattern can be:
-					"window" to trigger on `:lcd`
+					"window"  to trigger on `:lcd`
-					"tab"    to trigger on `:tcd`
+					"tabpage" to trigger on `:tcd`
-					"global" to trigger on `:cd`
+					"global"  to trigger on `:cd`
-					"auto"   to trigger on 'autochdir'.
+					"auto"    to trigger on 'autochdir'.
 				Sets these |v:event| keys:
 				    cwd:   current working directory
 				    scope: "global", "tab", "window"

src/nvim/eval/funcs.c

@@ -1093,7 +1093,7 @@ static void f_chdir(typval_T *argvars, typval_T *rettv, FunPtr fptr)
   if (curwin->w_localdir != NULL) {
     scope = kCdScopeWindow;
   } else if (curtab->tp_localdir != NULL) {
-    scope = kCdScopeTab;
+    scope = kCdScopeTabpage;
   }
 
   if (!changedir_func(argvars[0].vval.v_string, scope)) {
@@ -3445,8 +3445,8 @@ static void f_getcwd(typval_T *argvars, typval_T *rettv, FunPtr fptr)
   // Numbers of the scope objects (window, tab) we want the working directory
   // of. A `-1` means to skip this scope, a `0` means the current object.
   int scope_number[] = {
-    [kCdScopeWindow] = 0,  // Number of window to look at.
+    [kCdScopeWindow ] = 0,  // Number of window to look at.
-    [kCdScopeTab   ] = 0,  // Number of tab to look at.
+    [kCdScopeTabpage] = 0,  // Number of tab to look at.
   };
 
   char_u *cwd  = NULL;  // Current working directory to print
@@ -3489,8 +3489,8 @@ static void f_getcwd(typval_T *argvars, typval_T *rettv, FunPtr fptr)
   }
 
   // Find the tabpage by number
-  if (scope_number[kCdScopeTab] > 0) {
+  if (scope_number[kCdScopeTabpage] > 0) {
-    tp = find_tabpage(scope_number[kCdScopeTab]);
+    tp = find_tabpage(scope_number[kCdScopeTabpage]);
     if (!tp) {
       EMSG(_("E5000: Cannot find tab number."));
       return;
@@ -3499,7 +3499,7 @@ static void f_getcwd(typval_T *argvars, typval_T *rettv, FunPtr fptr)
 
   // Find the window in `tp` by number, `NULL` if none.
   if (scope_number[kCdScopeWindow] >= 0) {
-    if (scope_number[kCdScopeTab] < 0) {
+    if (scope_number[kCdScopeTabpage] < 0) {
       EMSG(_("E5001: Higher scope cannot be -1 if lower scope is >= 0."));
       return;
     }
@@ -3523,7 +3523,7 @@ static void f_getcwd(typval_T *argvars, typval_T *rettv, FunPtr fptr)
       break;
     }
     FALLTHROUGH;
-  case kCdScopeTab:
+  case kCdScopeTabpage:
     assert(tp);
     from = tp->tp_localdir;
     if (from) {
@@ -4652,8 +4652,8 @@ static void f_haslocaldir(typval_T *argvars, typval_T *rettv, FunPtr fptr)
   // Numbers of the scope objects (window, tab) we want the working directory
   // of. A `-1` means to skip this scope, a `0` means the current object.
   int scope_number[] = {
-    [kCdScopeWindow] = 0,  // Number of window to look at.
+    [kCdScopeWindow ] = 0,  // Number of window to look at.
-    [kCdScopeTab   ] = 0,  // Number of tab to look at.
+    [kCdScopeTabpage] = 0,  // Number of tab to look at.
   };
 
   tabpage_T *tp  = curtab;  // The tabpage to look at.
@@ -4691,8 +4691,8 @@ static void f_haslocaldir(typval_T *argvars, typval_T *rettv, FunPtr fptr)
   }
 
   // Find the tabpage by number
-  if (scope_number[kCdScopeTab] > 0) {
+  if (scope_number[kCdScopeTabpage] > 0) {
-    tp = find_tabpage(scope_number[kCdScopeTab]);
+    tp = find_tabpage(scope_number[kCdScopeTabpage]);
     if (!tp) {
       EMSG(_("E5000: Cannot find tab number."));
       return;
@@ -4701,7 +4701,7 @@ static void f_haslocaldir(typval_T *argvars, typval_T *rettv, FunPtr fptr)
 
   // Find the window in `tp` by number, `NULL` if none.
   if (scope_number[kCdScopeWindow] >= 0) {
-    if (scope_number[kCdScopeTab] < 0) {
+    if (scope_number[kCdScopeTabpage] < 0) {
       EMSG(_("E5001: Higher scope cannot be -1 if lower scope is >= 0."));
       return;
     }
@@ -4720,7 +4720,7 @@ static void f_haslocaldir(typval_T *argvars, typval_T *rettv, FunPtr fptr)
     assert(win);
     rettv->vval.v_number = win->w_localdir ? 1 : 0;
     break;
-  case kCdScopeTab:
+  case kCdScopeTabpage:
     assert(tp);
     rettv->vval.v_number = tp->tp_localdir ? 1 : 0;
     break;

src/nvim/ex_docmd.c

@@ -7711,7 +7711,7 @@ void free_cd_dir(void)
 static char_u *get_prevdir(CdScope scope)
 {
   switch (scope) {
-  case kCdScopeTab:
+  case kCdScopeTabpage:
     return curtab->tp_prevdir;
     break;
   case kCdScopeWindow:
@@ -7731,7 +7731,7 @@ void post_chdir(CdScope scope, bool trigger_dirchanged)
   XFREE_CLEAR(curwin->w_localdir);
 
   // Overwrite the tab-local CWD for :cd, :tcd.
-  if (scope >= kCdScopeTab) {
+  if (scope >= kCdScopeTabpage) {
     XFREE_CLEAR(curtab->tp_localdir);
   }
 
@@ -7752,7 +7752,7 @@ void post_chdir(CdScope scope, bool trigger_dirchanged)
     // We are now in the global directory, no need to remember its name.
     XFREE_CLEAR(globaldir);
     break;
-  case kCdScopeTab:
+  case kCdScopeTabpage:
     curtab->tp_localdir = (char_u *)xstrdup(cwd);
     break;
   case kCdScopeWindow:
@@ -7803,7 +7803,7 @@ bool changedir_func(char_u *new_dir, CdScope scope)
   }
 
   switch (scope) {
-  case kCdScopeTab:
+  case kCdScopeTabpage:
     curtab->tp_prevdir = pdir;
     break;
   case kCdScopeWindow:
@@ -7850,7 +7850,7 @@ void ex_cd(exarg_T *eap)
     switch (eap->cmdidx) {
     case CMD_tcd:
     case CMD_tchdir:
-      scope = kCdScopeTab;
+      scope = kCdScopeTabpage;
       break;
     case CMD_lcd:
     case CMD_lchdir:

src/nvim/file_search.c

@@ -1610,8 +1610,8 @@ void do_autocmd_dirchanged(char *new_dir, CdScope scope, CdCause cause)
   case kCdScopeGlobal:
     snprintf(buf, sizeof(buf), "global");
     break;
-  case kCdScopeTab:
+  case kCdScopeTabpage:
-    snprintf(buf, sizeof(buf), "tab");
+    snprintf(buf, sizeof(buf), "tabpage");
     break;
   case kCdScopeWindow:
     snprintf(buf, sizeof(buf), "window");

src/nvim/globals.h

@@ -1034,9 +1034,9 @@ typedef enum {
 /// directly, use `MIN_CD_SCOPE` and `MAX_CD_SCOPE` instead.
 typedef enum {
   kCdScopeInvalid = -1,
-  kCdScopeWindow,  ///< Affects one window.
+  kCdScopeWindow,   ///< Affects one window.
-  kCdScopeTab,     ///< Affects one tab page.
+  kCdScopeTabpage,  ///< Affects one tab page.
-  kCdScopeGlobal,  ///< Affects the entire Nvim instance.
+  kCdScopeGlobal,   ///< Affects the entire Nvim instance.
 } CdScope;
 
 #define MIN_CD_SCOPE  kCdScopeWindow

src/nvim/window.c

@@ -4546,7 +4546,7 @@ static void win_enter_ext(win_T *const wp, const int flags)
     if (os_chdir(new_dir) == 0) {
       if (!p_acd && pathcmp(new_dir, cwd, -1) != 0) {
         do_autocmd_dirchanged(new_dir, curwin->w_localdir
-                              ? kCdScopeWindow : kCdScopeTab, kCdCauseWindow);
+                              ? kCdScopeWindow : kCdScopeTabpage, kCdCauseWindow);
       }
       shorten_fnames(true);
     }

test/functional/autocmd/dirchanged_spec.lua

@@ -33,17 +33,20 @@ describe('autocmd DirChanged', function()
     command([[autocmd DirChanged * let g:getcwd    = substitute(g:getcwd,    '\\', '/', 'g')]])
   end)
 
-  it('sets v:event', function()
+  it('sets v:event and <amatch>', function()
     command('lcd '..dirs[1])
     eq({cwd=dirs[1], scope='window', changed_window=false}, eval('g:ev'))
+    eq('window', eval('g:amatch'))
     eq(1, eval('g:cdcount'))
 
     command('tcd '..dirs[2])
-    eq({cwd=dirs[2], scope='tab', changed_window=false}, eval('g:ev'))
+    eq({cwd=dirs[2], scope='tabpage', changed_window=false}, eval('g:ev'))
+    eq('tabpage', eval('g:amatch'))
     eq(2, eval('g:cdcount'))
 
     command('cd '..dirs[3])
     eq({cwd=dirs[3], scope='global', changed_window=false}, eval('g:ev'))
+    eq('global', eval('g:amatch'))
     eq(3, eval('g:cdcount'))
   end)
 
@@ -69,17 +72,6 @@ describe('autocmd DirChanged', function()
     eq(dirs[3], eval('getcwd()'))
   end)
 
-  it('sets <amatch> to CWD "scope"', function()
-    command('lcd '..dirs[1])
-    eq('window', eval('g:amatch'))
-
-    command('tcd '..dirs[2])
-    eq('tab', eval('g:amatch'))
-
-    command('cd '..dirs[3])
-    eq('global', eval('g:amatch'))
-  end)
-
   it('does not trigger if :cd fails', function()
     command('let g:ev = {}')
 
@@ -135,7 +127,8 @@ describe('autocmd DirChanged', function()
     end
 
     command('tcd '..dirs[2])
-    eq({cwd=dirs[2], scope='tab', changed_window=false}, eval('g:ev'))
+    eq({cwd=dirs[2], scope='tabpage', changed_window=false}, eval('g:ev'))
+    eq('tabpage', eval('g:amatch'))
     eq(2, eval('g:cdcount'))
     command('let g:ev = {}')
     command('tcd '..dirs[2])
@@ -195,8 +188,10 @@ describe('autocmd DirChanged', function()
     command('tcd '..dirs[3])
     command('tabnext')                  -- tab 1 (no tab-local CWD)
     eq({cwd=dirs[2], scope='window', changed_window=true}, eval('g:ev'))
+    eq('window', eval('g:amatch'))
     command('tabnext')                  -- tab 2
-    eq({cwd=dirs[3], scope='tab', changed_window=true}, eval('g:ev'))
+    eq({cwd=dirs[3], scope='tabpage', changed_window=true}, eval('g:ev'))
+    eq('tabpage', eval('g:amatch'))
     eq(7, eval('g:cdcount'))
 
     command('tabnext')                  -- tab 1