修正一些问题

3 files changed, 13 insertions, 9 deletions

diff --git a/server/src/matcher/find_lib.lua b/server/src/matcher/find_lib.lua
index e4ea6e02..c4d5bff3 100644
--- a/server/src/matcher/find_lib.lua
+++ b/server/src/matcher/find_lib.lua
@@ -1,4 +1,7 @@
 local function findLib(var)
+    if var.type ~= 'local' and var.type ~= 'field' then
+        return nil
+    end
     local value = var.value
     local lib = value.lib
     if not lib then
diff --git a/server/src/matcher/signature.lua b/server/src/matcher/signature.lua
index 96694047..c62117fc 100644
--- a/server/src/matcher/signature.lua
+++ b/server/src/matcher/signature.lua
@@ -25,13 +25,16 @@ local function findCall(vm, pos)
             if arg and arg.type == 'string' then
                 return nil
             end
-            results[#results+1] = {
-                func = call.func,
-                var = vm.results.sources[call.lastObj],
-                source = call.lastObj,
-                select = n,
-                args = call.args,
-            }
+            local var = vm.results.sources[call.lastObj]
+            if var then
+                results[#results+1] = {
+                    func = call.func,
+                    var = var,
+                    source = call.lastObj,
+                    select = n,
+                    args = call.args,
+                }
+            end
         end
     end
     -- 可能处于 'func1(func2(' 的嵌套中，因此距离越远的函数层级越低
diff --git a/server/src/method/textDocument/signatureHelp.lua b/server/src/method/textDocument/signatureHelp.lua
index 763e7a15..7620b542 100644
--- a/server/src/method/textDocument/signatureHelp.lua
+++ b/server/src/method/textDocument/signatureHelp.lua
@@ -34,7 +34,5 @@ return function (lsp, params)
         activeSignature = #signatures - 1,
     }
 
-    log.debug(table.dump(response))
-
     return response
 end