more special treates for meta files

Author: sumneko

changelog.md

@@ -2,8 +2,10 @@
 
 ## 3.6.6
 * `FIX` [#1825]
+* `FIX` [#1826]
 
 [#1825]: https://github.com/sumneko/lua-language-server/issues/1825
+[#1826]: https://github.com/sumneko/lua-language-server/issues/1826
 
 ## 3.6.5
 `2023-1-16`

script/vm/compiler.lua

@@ -1744,6 +1744,12 @@ local compilerSwitch = util.switch()
                     if firstSet then
                         local setNode = vm.compileNode(firstSet)
                         vm.setNode(source, setNode)
+                        if vm.isMetaFile(luri) then
+                            for i = 2, #link.sets do
+                                setNode = vm.compileNode(link.sets[i])
+                                vm.setNode(source, setNode)
+                            end
+                        end
                     end
                 end
             end

test/crossfile/infer.lua

@@ -110,3 +110,26 @@ end
     },
     infer = 'V',
 }
+
+TEST {
+    { path = 'a.lua', content = [[
+X = 1
+X = true
+]], },
+    { path = 'b.lua', content = [[
+print(<?X?>)
+]], },
+    infer = 'integer',
+}
+
+TEST {
+    { path = 'a.lua', content = [[
+---@meta
+X = 1
+X = true
+]], },
+    { path = 'b.lua', content = [[
+print(<?X?>)
+]], },
+    infer = 'boolean|integer',
+}