vim-patch:8.1.1995: more functions can be used as methods

Problem:    More functions can be used as methods.
Solution:   Make sign functions usable as a method.
93476fd634

Make sign_placelist and sign_unplacelist accept exactly one argument.
Before, they erroneously accepted one or more arguments.

runtime/doc/sign.txt

@@ -404,6 +404,9 @@ sign_define({list})
 				\  'text' : '!!'}
 				\ ])
 <
+		Can also be used as a |method|: >
+			GetSignList()->sign_define()
+
 sign_getdefined([{name}])				*sign_getdefined()*
 		Get a list of defined signs and their attributes.
 		This is similar to the |:sign-list| command.
@@ -435,6 +438,9 @@ sign_getdefined([{name}])				*sign_getdefined()*
 			" Get the attribute of the sign named mySign
 			echo sign_getdefined("mySign")
 <
+		Can also be used as a |method|: >
+			GetSignList()->sign_getdefined()
+
 sign_getplaced([{buf} [, {dict}]])			*sign_getplaced()*
 		Return a list of signs placed in a buffer or all the buffers.
 		This is similar to the |:sign-place-list| command.
@@ -494,6 +500,9 @@ sign_getplaced([{buf} [, {dict}]])			*sign_getplaced()*
 
 			" Get a List of all the placed signs
 			echo sign_getplaced()
+<
+		Can also be used as a |method|: >
+			GetBufname()->sign_getplaced()
 <
 							*sign_jump()*
 sign_jump({id}, {group}, {buf})
@@ -510,7 +519,9 @@ sign_jump({id}, {group}, {buf})
 			" Jump to sign 10 in the current buffer
 			call sign_jump(10, '', '')
 <
-
+		Can also be used as a |method|: >
+			GetSignid()->sign_jump()
+<
 							*sign_place()*
 sign_place({id}, {group}, {name}, {buf} [, {dict}])
 		Place the sign defined as {name} at line {lnum} in file or
@@ -560,7 +571,9 @@ sign_place({id}, {group}, {name}, {buf} [, {dict}])
 			call sign_place(10, 'g3', 'sign4', 'json.c',
 					\ {'lnum' : 40, 'priority' : 90})
 <
-
+		Can also be used as a |method|: >
+			GetSignid()->sign_place(group, name, expr)
+<
 							*sign_placelist()*
 sign_placelist({list})
 		Place one or more signs.  This is similar to the
@@ -620,6 +633,8 @@ sign_placelist({list})
 				\  'lnum' : 50}
 				\ ])
 <
+		Can also be used as a |method|: >
+			GetSignlist()->sign_placelist()
 
 sign_undefine([{name}])					*sign_undefine()*
 sign_undefine({list})
@@ -644,6 +659,8 @@ sign_undefine({list})
 			" Delete all the signs
 			call sign_undefine()
 <
+		Can also be used as a |method|: >
+			GetSignlist()->sign_undefine()
 
 sign_unplace({group} [, {dict}])			*sign_unplace()*
 		Remove a previously placed sign in one or more buffers.  This
@@ -686,6 +703,9 @@ sign_unplace({group} [, {dict}])			*sign_unplace()*
 
 			" Remove all the placed signs from all the buffers
 			call sign_unplace('*')
+
+<		Can also be used as a |method|: >
+			GetSigngroup()->sign_unplace()
 <
 sign_unplacelist({list})				*sign_unplacelist()*
 		Remove previously placed signs from one or more buffers.  This
@@ -715,5 +735,8 @@ sign_unplacelist({list})				*sign_unplacelist()*
 				\ {'id' : 20, 'buffer' : 'b.vim'},
 				\ ])
 <
+		Can also be used as a |method|: >
+			GetSignlist()->sign_unplacelist()
+<
 
  vim:tw=78:ts=8:noet:ft=help:norl:

src/nvim/eval.lua

@@ -326,15 +326,15 @@ return {
     sha256={args=1},
     shellescape={args={1, 2}},
     shiftwidth={args={0, 1}},
-    sign_define={args={1, 2}},
-    sign_getdefined={args={0, 1}},
-    sign_getplaced={args={0, 2}},
-    sign_jump={args={3, 3}},
-    sign_place={args={4, 5}},
-    sign_placelist={args={1}},
-    sign_undefine={args={0, 1}},
-    sign_unplace={args={1, 2}},
-    sign_unplacelist={args={1}},
+    sign_define={args={1, 2}, base=1},
+    sign_getdefined={args={0, 1}, base=1},
+    sign_getplaced={args={0, 2}, base=1},
+    sign_jump={args=3, base=1},
+    sign_place={args={4, 5}, base=1},
+    sign_placelist={args=1, base=1},
+    sign_undefine={args={0, 1}, base=1},
+    sign_unplace={args={1, 2}, base=1},
+    sign_unplacelist={args=1, base=1},
     simplify={args=1},
     sin={args=1, base=1, func="float_op_wrapper", data="&sin"},
     sinh={args=1, base=1, func="float_op_wrapper", data="&sinh"},

src/nvim/testdir/test_signs.vim

@@ -393,7 +393,7 @@ func Test_sign_funcs()
 
   " Tests for sign_define()
   let attr = {'text' : '=>', 'linehl' : 'Search', 'texthl' : 'Error'}
-  call assert_equal(0, sign_define("sign1", attr))
+  call assert_equal(0, "sign1"->sign_define(attr))
   call assert_equal([{'name' : 'sign1', 'texthl' : 'Error',
 	      \ 'linehl' : 'Search', 'text' : '=>'}], sign_getdefined())
 
@@ -404,13 +404,13 @@ func Test_sign_funcs()
   call Sign_define_ignore_error("sign2", attr)
   call assert_equal([{'name' : 'sign2', 'texthl' : 'DiffChange',
 	      \ 'linehl' : 'DiffAdd', 'text' : '!!', 'icon' : 'sign2.ico'}],
-	      \ sign_getdefined("sign2"))
+	      \ "sign2"->sign_getdefined())
 
   " Test for a sign name with digits
   call assert_equal(0, sign_define(0002, {'linehl' : 'StatusLine'}))
   call assert_equal([{'name' : '2', 'linehl' : 'StatusLine'}],
 	      \ sign_getdefined(0002))
-  call sign_undefine(0002)
+  eval 0002->sign_undefine()
 
   " Tests for invalid arguments to sign_define()
   call assert_fails('call sign_define("sign4", {"text" : "===>"})', 'E239:')
@@ -434,7 +434,7 @@ func Test_sign_funcs()
   call assert_equal([{'bufnr' : bufnr(''), 'signs' :
 	      \ [{'id' : 10, 'group' : '', 'lnum' : 20, 'name' : 'sign1',
 	      \ 'priority' : 10}]}],
-	      \ sign_getplaced('%', {'lnum' : 20}))
+	      \ '%'->sign_getplaced({'lnum' : 20}))
   call assert_equal([{'bufnr' : bufnr(''), 'signs' :
 	      \ [{'id' : 10, 'group' : '', 'lnum' : 20, 'name' : 'sign1',
 	      \ 'priority' : 10}]}],
@@ -490,10 +490,10 @@ func Test_sign_funcs()
 	      \ 'E745:')
 
   " Tests for sign_unplace()
-  call sign_place(20, '', 'sign2', 'Xsign', {"lnum" : 30})
+  eval 20->sign_place('', 'sign2', 'Xsign', {"lnum" : 30})
   call assert_equal(0, sign_unplace('',
 	      \ {'id' : 20, 'buffer' : 'Xsign'}))
-  call assert_equal(-1, sign_unplace('',
+  call assert_equal(-1, ''->sign_unplace(
 	      \ {'id' : 30, 'buffer' : 'Xsign'}))
   call sign_place(20, '', 'sign2', 'Xsign', {"lnum" : 30})
   call assert_fails("call sign_unplace('',
@@ -1693,7 +1693,7 @@ func Test_sign_jump_func()
   let r = sign_jump(5, '', 'foo')
   call assert_equal(2, r)
   call assert_equal(2, line('.'))
-  let r = sign_jump(6, 'g1', 'foo')
+  let r = 6->sign_jump('g1', 'foo')
   call assert_equal(5, r)
   call assert_equal(5, line('.'))
   let r = sign_jump(5, '', 'bar')
@@ -1921,8 +1921,7 @@ func Test_sign_funcs_multi()
 	      \ 'group' : 'g1', 'priority' : 10}], s[0].signs)
 
   " Change an existing sign without specifying the group
-  call assert_equal([5], sign_placelist([
-	      \ {'id' : 5, 'name' : 'sign1', 'buffer' : 'Xsign'}]))
+  call assert_equal([5], [{'id' : 5, 'name' : 'sign1', 'buffer' : 'Xsign'}]->sign_placelist())
   let s = sign_getplaced('Xsign', {'id' : 5, 'group' : ''})
   call assert_equal([{'id' : 5, 'name' : 'sign1', 'lnum' : 11,
 	      \ 'group' : '', 'priority' : 10}], s[0].signs)
@@ -1955,7 +1954,7 @@ func Test_sign_funcs_multi()
 	      \ {'id' : 1, 'group' : 'g1'}, {'id' : 1, 'group' : 'g2'}]))
 
   " Invalid arguments
-  call assert_equal([], sign_unplacelist([]))
+  call assert_equal([], []->sign_unplacelist())
   call assert_fails('call sign_unplacelist({})', "E714:")
   call assert_fails('call sign_unplacelist([[]])', "E715:")
   call assert_fails('call sign_unplacelist(["abc"])', "E715:")