Merge pull request #1704 from fwalch/vim-7.4.434

vim-patch:7.4.434, vim-patch:7.4.442

runtime/doc/eval.txt

@@ -3578,6 +3578,8 @@ gettabvar({tabnr}, {varname} [, {def}])				*gettabvar()*
 		Get the value of a tab-local variable {varname} in tab page
 		{tabnr}. |t:var|
 		Tabs are numbered starting with one.
+		When {varname} is empty a dictionary with all tab-local
+		variables is returned.
 		Note that the name without "t:" must be used.
 		When the tab or variable doesn't exist {def} or an empty
 		string is returned, there is no error message.

src/nvim/eval.c

@@ -9603,7 +9603,8 @@ static void f_getregtype(typval_T *argvars, typval_T *rettv)
  */
 static void f_gettabvar(typval_T *argvars, typval_T *rettv)
 {
-  tabpage_T   *tp;
+  win_T *oldcurwin;
+  tabpage_T *tp, *oldtabpage;
   dictitem_T  *v;
   char_u      *varname;
   int done = FALSE;
@@ -9614,16 +9615,25 @@ static void f_gettabvar(typval_T *argvars, typval_T *rettv)
   varname = get_tv_string_chk(&argvars[1]);
   tp = find_tabpage((int)get_tv_number_chk(&argvars[0], NULL));
   if (tp != NULL && varname != NULL) {
+    /* Set tp to be our tabpage, temporarily.  Also set the window to the
+     * first window in the tabpage, otherwise the window is not valid. */
+    switch_win(&oldcurwin, &oldtabpage, tp->tp_firstwin, tp, TRUE);
+
     /* look up the variable */
-    v = find_var_in_ht(&tp->tp_vars->dv_hashtab, 0, varname, FALSE);
+    /* Let gettabvar({nr}, "") return the "t:" dictionary. */
+    v = find_var_in_ht(&tp->tp_vars->dv_hashtab, 't', varname, FALSE);
     if (v != NULL) {
       copy_tv(&v->di_tv, rettv);
       done = TRUE;
     }
+
+    /* restore previous notion of curwin */
+    restore_win(oldcurwin, oldtabpage, TRUE);
   }
 
-  if (!done && argvars[2].v_type != VAR_UNKNOWN)
+  if (!done && argvars[2].v_type != VAR_UNKNOWN) {
     copy_tv(&argvars[2], rettv);
+  }
 }
 
 /*

src/nvim/testdir/test91.in

@@ -55,6 +55,7 @@ STARTTEST
 :tabnew
 :tabnew
 :let t:var_list = [1, 2, 3]
+:let t:other = 777
 :let def_list = [4, 5, 6, 7]
 :tabrewind
 :$put =string(gettabvar(3, 'var_list'))

src/nvim/testdir/test91.ok

@@ -26,8 +26,8 @@ iso-8859-2
 0
 [1, 2, 3]
 [1, 2, 3]
-''
-[4, 5, 6, 7]
+{'var_list': [1, 2, 3], 'other': 777}
+{'var_list': [1, 2, 3], 'other': 777}
 [4, 5, 6, 7]
 ''
 [4, 5, 6, 7]

src/nvim/version.c

@@ -287,7 +287,7 @@ static int included_patches[] = {
   //445,
   444,
   //443,
-  //442,
+  442,
   //441,
   440,
   439,
@@ -295,7 +295,7 @@ static int included_patches[] = {
   437,
   436,
   435,
-  //434,
+  434,
   433,
   //432 NA
   //431 NA