patch 9.0.1188: return value of type() for class and object unclear

Problem:    Return value of type() for class and object unclear.
Solution:   Add v:t_object and v:t_class.

runtime/doc/builtin.txt

@@ -9947,6 +9947,8 @@ type({expr})	The result is a Number representing the type of {expr}.
 			Job:	    8  |v:t_job|
 			Channel:    9  |v:t_channel|
 			Blob:	   10  |v:t_blob|
+			Class	   12  |v:t_class|
+			Object	   13  |v:t_object|
 		For backward compatibility, this method can be used: >
 			:if type(myvar) == type(0)
 			:if type(myvar) == type("")

runtime/doc/eval.txt

@@ -2504,6 +2504,10 @@ v:t_number	Value of |Number| type.  Read-only.  See: |type()|
 v:t_string	Value of |String| type.  Read-only.  See: |type()|
 					*v:t_blob* *t_blob-variable*
 v:t_blob	Value of |Blob| type.  Read-only.  See: |type()|
+					*v:t_class* *t_class-variable*
+v:t_class	Value of |class| type.  Read-only.  See: |type()|
+					*v:t_object* *t_object-variable*
+v:t_object	Value of |object| type.  Read-only.  See: |type()|
 
 				*v:termresponse* *termresponse-variable*
 v:termresponse	The escape sequence returned by the terminal for the |t_RV|

src/evalvars.c

@@ -139,6 +139,8 @@ static struct vimvar
     {VV_NAME("t_job",		 VAR_NUMBER), NULL, VV_RO},
     {VV_NAME("t_channel",	 VAR_NUMBER), NULL, VV_RO},
     {VV_NAME("t_blob",		 VAR_NUMBER), NULL, VV_RO},
+    {VV_NAME("t_class",		 VAR_NUMBER), NULL, VV_RO},
+    {VV_NAME("t_object",	 VAR_NUMBER), NULL, VV_RO},
     {VV_NAME("termrfgresp",	 VAR_STRING), NULL, VV_RO},
     {VV_NAME("termrbgresp",	 VAR_STRING), NULL, VV_RO},
     {VV_NAME("termu7resp",	 VAR_STRING), NULL, VV_RO},
@@ -255,6 +257,8 @@ evalvars_init(void)
     set_vim_var_nr(VV_TYPE_JOB,     VAR_TYPE_JOB);
     set_vim_var_nr(VV_TYPE_CHANNEL, VAR_TYPE_CHANNEL);
     set_vim_var_nr(VV_TYPE_BLOB,    VAR_TYPE_BLOB);
+    set_vim_var_nr(VV_TYPE_CLASS,   VAR_TYPE_CLASS);
+    set_vim_var_nr(VV_TYPE_OBJECT,  VAR_TYPE_OBJECT);
 
     set_vim_var_nr(VV_ECHOSPACE,    sc_col - 1);
 

src/testdir/test_vim9_class.vim

@@ -155,6 +155,11 @@ def Test_class_basic()
 
       # call an object method
       assert_equal('(2, 12)', pos.ToString())
+
+      assert_equal(v:t_class, type(TextPosition))
+      assert_equal(v:t_object, type(pos))
+      assert_equal('class<TextPosition>', typename(TextPosition))
+      assert_equal('object<TextPosition>', typename(pos))
   END
   v9.CheckScriptSuccess(lines)
 enddef

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1188,
 /**/
     1187,
 /**/

src/vim.h

@@ -2083,23 +2083,25 @@ typedef int sock_T;
 #define VV_TYPE_JOB	85
 #define VV_TYPE_CHANNEL	86
 #define VV_TYPE_BLOB	87
-#define VV_TERMRFGRESP	88
-#define VV_TERMRBGRESP	89
-#define VV_TERMU7RESP	90
-#define VV_TERMSTYLERESP 91
-#define VV_TERMBLINKRESP 92
-#define VV_EVENT	93
-#define VV_VERSIONLONG	94
-#define VV_ECHOSPACE	95
-#define VV_ARGV		96
-#define VV_COLLATE      97
-#define VV_EXITING	98
-#define VV_COLORNAMES   99
-#define VV_SIZEOFINT	100
-#define VV_SIZEOFLONG	101
-#define VV_SIZEOFPOINTER 102
-#define VV_MAXCOL	103
-#define VV_LEN		104	// number of v: vars
+#define VV_TYPE_CLASS	88
+#define VV_TYPE_OBJECT	89
+#define VV_TERMRFGRESP	90
+#define VV_TERMRBGRESP	91
+#define VV_TERMU7RESP	92
+#define VV_TERMSTYLERESP 93
+#define VV_TERMBLINKRESP 94
+#define VV_EVENT	95
+#define VV_VERSIONLONG	96
+#define VV_ECHOSPACE	97
+#define VV_ARGV		98
+#define VV_COLLATE      99
+#define VV_EXITING	100
+#define VV_COLORNAMES   101
+#define VV_SIZEOFINT	102
+#define VV_SIZEOFLONG	103
+#define VV_SIZEOFPOINTER 104
+#define VV_MAXCOL	105
+#define VV_LEN		106	// number of v: vars
 
 // used for v_number in VAR_BOOL and VAR_SPECIAL
 #define VVAL_FALSE	0L	// VAR_BOOL