patch 7.4.2071

Problem:    The return value of type() is difficult to use.
Solution:   Define v:t_ constants. (Ken Takata)

runtime/doc/eval.txt

@@ -1827,6 +1827,27 @@ v:swapcommand	Normal mode command to be executed after a file has been
 		example, when jumping to a tag the value is ":tag tagname\r".
 		For ":edit +cmd file" the value is ":cmd\r".
 
+				*v:t_TYPE* *v:t_bool* *t_bool-varialble*
+v:t_bool	Value of Boolean type.  Read-only.  See: |type()|
+					*v:t_channel* *t_channel-varialble*
+v:t_channel	Value of Channel type.  Read-only.  See: |type()|
+					*v:t_dict* *t_dict-varialble*
+v:t_dict	Value of Dictionary type.  Read-only.  See: |type()|
+					*v:t_float* *t_float-varialble*
+v:t_float	Value of Float type.  Read-only.  See: |type()|
+					*v:t_func* *t_func-varialble*
+v:t_func	Value of Funcref type.  Read-only.  See: |type()|
+					*v:t_job* *t_job-varialble*
+v:t_job		Value of Job type.  Read-only.  See: |type()|
+					*v:t_list* *t_list-varialble*
+v:t_list	Value of List type.  Read-only.  See: |type()|
+					*v:t_none* *t_none-varialble*
+v:t_none	Value of None type.  Read-only.  See: |type()|
+					*v:t_number* *t_number-varialble*
+v:t_number	Value of Number type.  Read-only.  See: |type()|
+					*v:t_string* *t_string-varialble*
+v:t_string	Value of String type.  Read-only.  See: |type()|
+
 				*v:termresponse* *termresponse-variable*
 v:termresponse	The escape sequence returned by the terminal for the |t_RV|
 		termcap entry.	It is set when Vim receives an escape sequence

src/eval.c

@@ -177,6 +177,16 @@ static struct vimvar
     {VV_NAME("none",		 VAR_SPECIAL), VV_RO},
     {VV_NAME("vim_did_enter",	 VAR_NUMBER), VV_RO},
     {VV_NAME("testing",		 VAR_NUMBER), 0},
+    {VV_NAME("t_number",	 VAR_NUMBER), VV_RO},
+    {VV_NAME("t_string",	 VAR_NUMBER), VV_RO},
+    {VV_NAME("t_func",		 VAR_NUMBER), VV_RO},
+    {VV_NAME("t_list",		 VAR_NUMBER), VV_RO},
+    {VV_NAME("t_dict",		 VAR_NUMBER), VV_RO},
+    {VV_NAME("t_float",		 VAR_NUMBER), VV_RO},
+    {VV_NAME("t_bool",		 VAR_NUMBER), VV_RO},
+    {VV_NAME("t_none",		 VAR_NUMBER), VV_RO},
+    {VV_NAME("t_job",		 VAR_NUMBER), VV_RO},
+    {VV_NAME("t_channel",	 VAR_NUMBER), VV_RO},
 };
 
 /* shorthand */
@@ -292,6 +302,17 @@ eval_init(void)
     set_vim_var_nr(VV_NONE, VVAL_NONE);
     set_vim_var_nr(VV_NULL, VVAL_NULL);
 
+    set_vim_var_nr(VV_TYPE_NUMBER,  VAR_TYPE_NUMBER);
+    set_vim_var_nr(VV_TYPE_STRING,  VAR_TYPE_STRING);
+    set_vim_var_nr(VV_TYPE_FUNC,    VAR_TYPE_FUNC);
+    set_vim_var_nr(VV_TYPE_LIST,    VAR_TYPE_LIST);
+    set_vim_var_nr(VV_TYPE_DICT,    VAR_TYPE_DICT);
+    set_vim_var_nr(VV_TYPE_FLOAT,   VAR_TYPE_FLOAT);
+    set_vim_var_nr(VV_TYPE_BOOL,    VAR_TYPE_BOOL);
+    set_vim_var_nr(VV_TYPE_NONE,    VAR_TYPE_NONE);
+    set_vim_var_nr(VV_TYPE_JOB,     VAR_TYPE_JOB);
+    set_vim_var_nr(VV_TYPE_CHANNEL, VAR_TYPE_CHANNEL);
+
     set_reg_var(0);  /* default for v:register is not 0 but '"' */
 
 #ifdef EBCDIC

src/evalfunc.c

@@ -12136,22 +12136,22 @@ f_type(typval_T *argvars, typval_T *rettv)
 
     switch (argvars[0].v_type)
     {
-	case VAR_NUMBER: n = 0; break;
+	case VAR_NUMBER: n = VAR_TYPE_NUMBER; break;
-	case VAR_STRING: n = 1; break;
+	case VAR_STRING: n = VAR_TYPE_STRING; break;
 	case VAR_PARTIAL:
-	case VAR_FUNC:   n = 2; break;
+	case VAR_FUNC:   n = VAR_TYPE_FUNC; break;
-	case VAR_LIST:   n = 3; break;
+	case VAR_LIST:   n = VAR_TYPE_LIST; break;
-	case VAR_DICT:   n = 4; break;
+	case VAR_DICT:   n = VAR_TYPE_DICT; break;
-	case VAR_FLOAT:  n = 5; break;
+	case VAR_FLOAT:  n = VAR_TYPE_FLOAT; break;
 	case VAR_SPECIAL:
 	     if (argvars[0].vval.v_number == VVAL_FALSE
 		     || argvars[0].vval.v_number == VVAL_TRUE)
-		 n = 6;
+		 n = VAR_TYPE_BOOL;
 	     else
-		 n = 7;
+		 n = VAR_TYPE_NONE;
 	     break;
-	case VAR_JOB:     n = 8; break;
+	case VAR_JOB:     n = VAR_TYPE_JOB; break;
-	case VAR_CHANNEL: n = 9; break;
+	case VAR_CHANNEL: n = VAR_TYPE_CHANNEL; break;
 	case VAR_UNKNOWN:
 	     EMSG2(_(e_intern2), "f_type(UNKNOWN)");
 	     n = -1;

src/testdir/test_channel.vim

@@ -188,6 +188,7 @@ endfunc
 " Test that we can open two channels.
 func Ch_two_channels(port)
   let handle = ch_open('localhost:' . a:port, s:chopt)
+  call assert_equal(v:t_channel, type(handle))
   if ch_status(handle) == "fail"
     call assert_false(1, "Can't open channel")
     return
@@ -420,6 +421,7 @@ func Test_raw_pipe()
   endif
   call ch_log('Test_raw_pipe()')
   let job = job_start(s:python . " test_channel_pipe.py", {'mode': 'raw'})
+  call assert_equal(v:t_job, type(job))
   call assert_equal("run", job_status(job))
   try
     " For a change use the job where a channel is expected.

src/testdir/test_viml.vim

@@ -950,6 +950,20 @@ func Test_type()
     call assert_equal(6, type(v:true))
     call assert_equal(7, type(v:none))
     call assert_equal(7, type(v:null))
+    call assert_equal(8, v:t_job)
+    call assert_equal(9, v:t_channel)
+    call assert_equal(v:t_number, type(0))
+    call assert_equal(v:t_string, type(""))
+    call assert_equal(v:t_func, type(function("tr")))
+    call assert_equal(v:t_func, type(function("tr", [8])))
+    call assert_equal(v:t_list, type([]))
+    call assert_equal(v:t_dict, type({}))
+    call assert_equal(v:t_float, type(0.0))
+    call assert_equal(v:t_bool, type(v:false))
+    call assert_equal(v:t_bool, type(v:true))
+    call assert_equal(v:t_none, type(v:none))
+    call assert_equal(v:t_none, type(v:null))
+
 
     call assert_equal(0, 0 + v:false)
     call assert_equal(1, 0 + v:true)

src/version.c

@@ -758,6 +758,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2071,
 /**/
     2070,
 /**/

src/vim.h

@@ -1968,7 +1968,17 @@ typedef int sock_T;
 #define VV_NONE		68
 #define VV_VIM_DID_ENTER 69
 #define VV_TESTING	70
-#define VV_LEN		71	/* number of v: vars */
+#define VV_TYPE_NUMBER	71
+#define VV_TYPE_STRING	72
+#define VV_TYPE_FUNC	73
+#define VV_TYPE_LIST	74
+#define VV_TYPE_DICT	75
+#define VV_TYPE_FLOAT	76
+#define VV_TYPE_BOOL	77
+#define VV_TYPE_NONE	78
+#define VV_TYPE_JOB	79
+#define VV_TYPE_CHANNEL	80
+#define VV_LEN		81	/* number of v: vars */
 
 /* used for v_number in VAR_SPECIAL */
 #define VVAL_FALSE	0L
@@ -1976,6 +1986,18 @@ typedef int sock_T;
 #define VVAL_NONE	2L
 #define VVAL_NULL	3L
 
+/* Type values for type(). */
+#define VAR_TYPE_NUMBER	    0
+#define VAR_TYPE_STRING	    1
+#define VAR_TYPE_FUNC	    2
+#define VAR_TYPE_LIST	    3
+#define VAR_TYPE_DICT	    4
+#define VAR_TYPE_FLOAT	    5
+#define VAR_TYPE_BOOL	    6
+#define VAR_TYPE_NONE	    7
+#define VAR_TYPE_JOB	    8
+#define VAR_TYPE_CHANNEL    9
+
 #ifdef FEAT_CLIPBOARD
 
 /* VIM_ATOM_NAME is the older Vim-specific selection type for X11.  Still