fix yanghuan#100

.gitattributes

@@ -63,4 +63,4 @@
 #*.RTF   diff=astextplain
 
 
-test/* linguist-vendored
+test/**/*.lua linguist-vendored

CSharp.lua/LuaAst/LuaLocalDeclarationStatementSyntax.cs

@@ -44,7 +44,7 @@ public sealed class LuaLocalDeclarationStatementSyntax : LuaStatementSyntax {
     public LuaVariableDeclarationSyntax Declaration { get; }
 
     public LuaLocalDeclarationStatementSyntax(LuaVariableDeclarationSyntax declaration) {
-      Declaration = declaration;
+      Declaration = declaration ?? throw new ArgumentNullException(nameof(declaration));
     }
 
     internal override void Render(LuaRenderer renderer) {

CSharp.lua/LuaSyntaxNodeTransform.cs

@@ -1772,10 +1772,27 @@ private void CheckPrevIsInvokeStatement(ExpressionSyntax node) {
         for (int i = curBlock.Statements.Count - 1; i >= 0; --i) {
           var statement = curBlock.Statements[i];
           if (!(statement is LuaBlankLinesStatement) && !(statement is LuaCommentStatement)) {
+            bool hasInsertColon = false;
             if (statement is LuaExpressionStatementSyntax expressionStatement) {
               if (expressionStatement.Expression is LuaInvocationExpressionSyntax) {
-                curBlock.Statements.Add(LuaStatementSyntax.Colon);
+                hasInsertColon = true;
               }
+              else if (expressionStatement.Expression is LuaAssignmentExpressionSyntax assignmentExpression) {
+                if (assignmentExpression.Right is LuaInvocationExpressionSyntax) {
+                  hasInsertColon = true;
+                }
+              }
+            }
+            else if (statement is LuaLocalDeclarationStatementSyntax declarationStatement) {
+              if (declarationStatement.Declaration is LuaVariableListDeclarationSyntax variableList) {
+                var last = variableList.Variables.Last();
+                if (last.Initializer != null && last.Initializer.Value is LuaInvocationExpressionSyntax) {
+                  hasInsertColon = true;
+                }
+              }
+            }
+            if (hasInsertColon) {
+              curBlock.Statements.Add(LuaStatementSyntax.Colon);
             }
             break;
           }