fix #468

Author: sumneko

changelog.md

@@ -1,5 +1,8 @@
 # changelog
 
+## 1.20.1
+* `FIX` [#468](https://github.com./sumneko/lua-language-server/issues/468)
+
 ## 1.20.0
 `2021-3-27`
 * `CHG` telemetry: change to opt-in, see [#462](https://github.com./sumneko/lua-language-server/issues/462) and [Privacy-Policy](https://github.com./sumneko/lua-language-server/wiki/Privacy-Policy)

script/core/hover/description.lua

@@ -358,6 +358,9 @@ return function (source)
     if source.type == 'string' then
         return asString(source)
     end
+    if source.type == 'field' then
+        source = source.parent
+    end
     return tryDocOverloadToComment(source)
         or tryDocFieldUpComment(source)
         or tyrDocParamComment(source)

test/crossfile/hover.lua

@@ -684,3 +684,35 @@ hover = {
     name  = 'x',
     description = 'BBB'
 }}
+
+TEST {{ path = 'a.lua', content = '', }, {
+    path = 'b.lua',
+    content = [[
+---AAA
+G.<?A?> = 1
+
+---BBB
+G.A = 1
+    ]]
+},
+hover = {
+    label = 'global G.A: integer = 1',
+    name  = 'G.A',
+    description = 'AAA'
+}}
+
+TEST {{ path = 'a.lua', content = '', }, {
+    path = 'b.lua',
+    content = [[
+---AAA
+G.A = 1
+
+---BBB
+G.<?A?> = 1
+    ]]
+},
+hover = {
+    label = 'global G.A: integer = 1',
+    name  = 'G.A',
+    description = 'BBB'
+}}