From 208d8f290cd9ed7be0ac8b15f2160e72536d4362 Mon Sep 17 00:00:00 2001
From: Li Jin <dragon-fly@qq.com>
Date: Wed, 18 Feb 2026 21:07:33 +0800
Subject: Add TableLit AST support for empty lines and multiline comments

---
 src/yuescript/yue_ast.h        |  5 ++++-
 src/yuescript/yue_compiler.cpp | 14 +++++++++++++-
 src/yuescript/yue_parser.cpp   | 13 +++++++------
 3 files changed, 24 insertions(+), 8 deletions(-)

diff --git a/src/yuescript/yue_ast.h b/src/yuescript/yue_ast.h
index 8a5bbe8..e86d943 100644
--- a/src/yuescript/yue_ast.h
+++ b/src/yuescript/yue_ast.h
@@ -88,6 +88,8 @@ class SpreadListExp_t;
 class Comprehension_t;
 class Value_t;
 class YueLineComment_t;
+class YueMultilineComment_t;
+class EmptyLine_t;
 } // namespace yue
 
 AST_LEAF(Num)
@@ -718,7 +720,8 @@ AST_NODE(TableLit)
 		VariablePairDef_t, NormalPairDef_t, SpreadExp_t, NormalDef_t,
 		MetaVariablePairDef_t, MetaNormalPairDef_t,
 		VariablePair_t, NormalPair_t, Exp_t,
-		MetaVariablePair_t, MetaNormalPair_t, YueLineComment_t,
+		MetaVariablePair_t, MetaNormalPair_t,
+		YueLineComment_t, YueMultilineComment_t, EmptyLine_t,
 		/*non-syntax-rule*/ TableBlockIndent_t, SpreadListExp_t> values;
 	AST_MEMBER(TableLit, &sep, &values)
 AST_END(TableLit)
diff --git a/src/yuescript/yue_compiler.cpp b/src/yuescript/yue_compiler.cpp
index 8da6d2f..9226e89 100644
--- a/src/yuescript/yue_compiler.cpp
+++ b/src/yuescript/yue_compiler.cpp
@@ -8248,13 +8248,25 @@ private:
 				}
 			}
 			bool isMetamethod = false;
+			bool skipComma = false;
 			switch (item->get_id()) {
 				case id<Exp_t>(): transformExp(static_cast<Exp_t*>(item), temp, ExpUsage::Closure); break;
 				case id<YueLineComment_t>(): {
 					auto comment = static_cast<YueLineComment_t*>(item);
 					temp.emplace_back("--"s + _parser.toString(comment));
+					skipComma = true;
 					break;
 				}
+				case id<YueMultilineComment_t>(): {
+					auto comment = static_cast<YueMultilineComment_t*>(item);
+					temp.emplace_back("--[["s + _parser.toString(comment) + "]]"s);
+					skipComma = true;
+					break;
+				}
+				case id<EmptyLine_t>():
+					temp.emplace_back(Empty);
+					skipComma = true;
+					break;
 				case id<VariablePair_t>(): transform_variable_pair(static_cast<VariablePair_t*>(item), temp); break;
 				case id<NormalPair_t>(): transform_normal_pair(static_cast<NormalPair_t*>(item), temp, false); break;
 				case id<TableBlockIndent_t>(): transformTableBlockIndent(static_cast<TableBlockIndent_t*>(item), temp); break;
@@ -8312,7 +8324,7 @@ private:
 				default: YUEE("AST node mismatch", item); break;
 			}
 			if (!isMetamethod) {
-				if (ast_is<YueLineComment_t>(value)) {
+				if (skipComma || temp.back().rfind("--"sv, 0) == 0) {
 					temp.back() = indent() + temp.back() + nl(value);
 				} else {
 					temp.back() = indent() + (value == values.back() ? temp.back() : temp.back() + ',') + nl(value);
diff --git a/src/yuescript/yue_parser.cpp b/src/yuescript/yue_parser.cpp
index 6a2237c..ff8b575 100644
--- a/src/yuescript/yue_parser.cpp
+++ b/src/yuescript/yue_parser.cpp
@@ -888,17 +888,18 @@ YueParser::YueParser() {
 		SpreadExp |
 		NormalDef;
 
-	table_lit_line = (
-		push_indent_match >> (plain_space >> not_(line_break | '}') >> (table_value | yue_line_comment | expected_expression_error) >> *(plain_space >> ',' >> plain_space >> (table_value | yue_line_comment)) >> pop_indent | pop_indent)
-	) | (
-		space
-	);
+	table_lit_line =
+		-EmptyLine >> (
+			push_indent_match >> (plain_space >> not_(line_break | '}') >> (table_value | yue_line_comment | yue_multiline_comment | expected_expression_error) >> *(plain_space >> ',' >> plain_space >> (table_value | yue_line_comment | yue_multiline_comment)) >> pop_indent | pop_indent)
+		) | (
+			space
+		);
 
 	table_lit_lines = space_break >> table_lit_line >> *(-(space >> ',') >> space_break >> table_lit_line) >> -(space >> ',');
 
 	TableLit =
 		'{' >> Seperator >>
-		-(plain_space >> (table_value | yue_line_comment) >> *(plain_space >> ',' >> plain_space >> (table_value | yue_line_comment)) >> -(plain_space >> ',')) >>
+		-(plain_space >> (table_value | yue_line_comment | yue_multiline_comment) >> *(plain_space >> ',' >> plain_space >> (table_value | yue_line_comment | yue_multiline_comment)) >> -(plain_space >> ',')) >>
 		(
 			table_lit_lines >> white >> end_braces_expression |
 			white >> '}'
-- 
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