修正面向对象语法参数计算错误的问题

2 files changed, 28 insertions, 0 deletions

diff --git a/server/src/matcher/hover.lua b/server/src/matcher/hover.lua
index 0caaa47a..dc7d40de 100644
--- a/server/src/matcher/hover.lua
+++ b/server/src/matcher/hover.lua
@@ -20,6 +20,9 @@ local function buildLibArgs(lib, oo, select)
     local start
     if oo then
         start = 2
+        if select then
+            select = select + 1
+        end
     else
         start = 1
     end
@@ -231,6 +234,9 @@ local function buildValueArgs(result, source, select)
     local start = 1
     if source.object then
         start = 2
+        if select then
+            select = select + 1
+        end
     end
     local max
     if func.built then
diff --git a/server/test/signature/init.lua b/server/test/signature/init.lua
index 0c343384..bc3713d7 100644
--- a/server/test/signature/init.lua
+++ b/server/test/signature/init.lua
@@ -44,3 +44,25 @@ x(@)
     label = "function x(a: any, b: any)",
     arg = 'a: any'
 }
+
+TEST [[
+function mt:f(a)
+end
+
+mt:f(@
+]]
+{
+    label = 'function mt:f(a: any)',
+    arg = 'a: any'
+}
+
+TEST [[
+(''):sub(@
+]]
+{
+    label = [[
+function *string:sub(i: integer [, j: integer(-1)])
+  -> string
+]],
+    arg = 'i: integer'
+}