fix #1871

Author: sumneko

changelog.md

@@ -4,10 +4,12 @@
 * `FIX` [#1864]
 * `FIX` [#1868]
 * `FIX` [#1869]
+* `FIX` [#1871]
 
 [#1864]: https://github.com/sumneko/lua-language-server/issues/1864
 [#1868]: https://github.com/sumneko/lua-language-server/issues/1868
 [#1869]: https://github.com/sumneko/lua-language-server/issues/1869
+[#1871]: https://github.com/sumneko/lua-language-server/issues/1871
 
 ## 3.6.8
 `2023-1-31`

script/vm/compiler.lua

@@ -192,11 +192,11 @@ local searchFieldSwitch = util.switch()
             or not math.tointeger(key) then
                 return
             end
-            pushResult(source.node)
+            pushResult(source.node, true)
         end
         if type(key) == 'table' then
             if vm.isSubType(suri, key, 'integer') then
-                pushResult(source.node)
+                pushResult(source.node, true)
             end
         end
     end)
@@ -217,21 +217,21 @@ local searchFieldSwitch = util.switch()
                         or (fn.name == 'number'  and type(key) == 'number')
                         or (fn.name == 'integer' and math.tointeger(key))
                         or (fn.name == 'string'  and type(key) == 'string') then
-                            pushResult(field)
+                            pushResult(field, true)
                         end
                     elseif fn.type == 'doc.type.string'
                     or     fn.type == 'doc.type.integer'
                     or     fn.type == 'doc.type.boolean' then
                         if key == vm.ANY
                         or fn[1] == key then
-                            pushResult(field)
+                            pushResult(field, true)
                         end
                     end
                 end
             end
             if fieldKey.type == 'doc.field.name' then
                 if key == vm.ANY or fieldKey[1] == key then
-                    pushResult(field)
+                    pushResult(field, true)
                 end
             end
         end

test/diagnostics/type-check.lua

@@ -1190,6 +1190,17 @@ end
 print(is_string(3))
 ]]
 
+TEST [[
+---@class SomeClass
+---@field [1] string
+-- ...
+
+---@param some_param SomeClass|SomeClass[]
+local function some_fn(some_param) return end
+
+some_fn { { "test" } } -- <- diagnostic: "Cannot assign `table` to `string`."
+]]
+
 config.remove(nil, 'Lua.diagnostics.disable', 'unused-local')
 config.remove(nil, 'Lua.diagnostics.disable', 'unused-function')
 config.remove(nil, 'Lua.diagnostics.disable', 'undefined-global')