3 files changed, 52 insertions, 4 deletions

diff --git a/server/src/core/code_action.lua b/server/src/core/code_action.lua
index 3c61ed56..b28bda34 100644
--- a/server/src/core/code_action.lua
+++ b/server/src/core/code_action.lua
@@ -216,6 +216,36 @@ local function solveSyntaxByAddDoEnd(uri, data, callback)
     }
 end
 
+local function solveSyntaxByFix(uri, err, lines, callback)
+    local changes = {}
+    for _, e in ipairs(err.fix) do
+        local start_row,  start_col  = lines:rowcol(e.start)
+        local finish_row, finish_col = lines:rowcol(e.finish)
+        changes[#changes+1] = {
+            range = {
+                start = {
+                    line = start_row - 1,
+                    character = start_col - 1,
+                },
+                ['end'] = {
+                    line = finish_row - 1,
+                    character = finish_col,
+                },
+            },
+            newText = e.text,
+        }
+    end
+    callback {
+        title = lang.script[err.fix.title],
+        kind  = 'quickfix',
+        edit = {
+            changes = {
+                [uri] = changes,
+            }
+        }
+    }
+end
+
 ---@param lsp LSP
 ---@param uri uri
 ---@param data table
@@ -239,6 +269,9 @@ local function solveSyntax(lsp, uri, data, callback)
     if err.type == 'ACTION_AFTER_BREAK' or err.type == 'ACTION_AFTER_RETURN' then
         solveSyntaxByAddDoEnd(uri, data, callback)
     end
+    if err.fix then
+        solveSyntaxByFix(uri, err, lines, callback)
+    end
 end
 
 local function solveDiagnostic(lsp, uri, data, callback)
diff --git a/server/src/parser/ast.lua b/server/src/parser/ast.lua
index 1d44c848..80f82c82 100644
--- a/server/src/parser/ast.lua
+++ b/server/src/parser/ast.lua
@@ -264,6 +264,22 @@ local Defs = {
             }
         end
     end,
+    CCommentPrefix = function (start, finish)
+        pushError {
+            type   = 'ERR_COMMENT_PREFIX',
+            start  = start,
+            finish = finish - 1,
+            fix    = {
+                title = 'FIX_COMMENT_PREFIX',
+                {
+                    start  = start,
+                    finish = finish,
+                    text   = '--',
+                },
+            }
+        }
+        return false
+    end,
     String = function (start, quote, str, finish)
         return {
             type   = 'string',
@@ -660,12 +676,9 @@ local Defs = {
                 }
             elseif not wantField and isField and not isEmmy then
                 pushError {
-                    type = 'MISS_SYMBOL',
+                    type = 'MISS_SEP_IN_TABLE',
                     start = start,
                     finish = arg.start-1,
-                    info = {
-                        symbol = ',',
-                    }
                 }
             end
             if isField then
diff --git a/server/src/parser/grammar.lua b/server/src/parser/grammar.lua
index bf725189..6e7a028e 100644
--- a/server/src/parser/grammar.lua
+++ b/server/src/parser/grammar.lua
@@ -388,6 +388,8 @@ CrtAction   <-  Semicolon
             /   ExpInAction
 UnkAction   <-  ({} {Word+})
             ->  UnknownAction
+            /   ({} '//' {} (LongComment / ShortComment))
+            ->  CCommentPrefix
             /   ({} {. (!Sps !CrtAction .)*})
             ->  UnknownAction
 ExpInAction <-  Sp ({} Exp {})