patch 8.1.0134: Lua interface does not support funcref
Problem: Lua interface does not support funcref.
Solution: Add funcref support. (Luis Carvalho)
diff --git a/src/testdir/test_lua.vim b/src/testdir/test_lua.vim
index 840466a..30ce48e 100644
--- a/src/testdir/test_lua.vim
+++ b/src/testdir/test_lua.vim
@@ -397,6 +397,29 @@
lua str, k, v, d = nil, nil, nil, nil
endfunc
+func Test_funcref()
+ function I(x)
+ return a:x
+ endfunction
+ let R = function('I')
+ lua i1 = vim.funcref"I"
+ lua i2 = vim.eval"R"
+ lua msg = "funcref|test|" .. (#i2(i1) == #i1(i2) and "OK" or "FAIL")
+ lua msg = vim.funcref"tr"(msg, "|", " ")
+ call assert_equal("funcref test OK", luaeval('msg'))
+
+ " dict funcref
+ function Mylen() dict
+ return len(self.data)
+ endfunction
+ let l = [0, 1, 2, 3]
+ let mydict = {'data': l}
+ lua d = vim.eval"mydict"
+ lua d.len = vim.funcref"Mylen" -- assign d as 'self'
+ lua res = (d.len() == vim.funcref"len"(vim.eval"l")) and "OK" or "FAIL"
+ call assert_equal("OK", luaeval('res'))
+endfunc
+
" Test vim.type()
func Test_type()
" The following values are identical to Lua's type function.
@@ -414,6 +437,7 @@
call assert_equal('buffer', luaeval('vim.type(vim.buffer())'))
call assert_equal('list', luaeval('vim.type(vim.list())'))
call assert_equal('dict', luaeval('vim.type(vim.dict())'))
+ call assert_equal('funcref', luaeval('vim.type(vim.funcref("Test_type"))'))
endfunc
" Test vim.open()