fix# 322

yanghuan · yanghuan · commit 2b2ac839babf · 2020-10-26T10:03:40.000+08:00
diff --git a/CSharp.lua/LuaSyntaxNodeTransform.Helper.cs b/CSharp.lua/LuaSyntaxNodeTransform.Helper.cs
@@ -349,7 +349,7 @@ private LuaExpressionSyntax InternalBuildCodeTemplateExpression(
           }
         } else {
           if (int.TryParse(key, out int argumentIndex)) {
-            var argument = arguments.ElementAtOrDefault(argumentIndex);
+            var argument = arguments?.ElementAtOrDefault(argumentIndex);
             if (argument != null) {
               var argumentExpression = argument();
               AddCodeTemplateExpression(argumentExpression, comma, codeTemplateExpression);

Original file line number	Diff line number	Diff line change
`@@ -349,7 +349,7 @@ private LuaExpressionSyntax InternalBuildCodeTemplateExpression(`
`349`	`349`	`}`
`350`	`350`	`} else {`
`351`	`351`	`if (int.TryParse(key, out int argumentIndex)) {`
`352`		`- var argument = arguments.ElementAtOrDefault(argumentIndex);`
	`352`	`+ var argument = arguments?.ElementAtOrDefault(argumentIndex);`
`353`	`353`	`if (argument != null) {`
`354`	`354`	`var argumentExpression = argument();`
`355`	`355`	`AddCodeTemplateExpression(argumentExpression, comma, codeTemplateExpression);`