1 files changed, 5 insertions, 3 deletions

diff --git a/src/yuescript/yue_parser.cpp b/src/yuescript/yue_parser.cpp
index e755fb2..b1f29a9 100644
--- a/src/yuescript/yue_parser.cpp
+++ b/src/yuescript/yue_parser.cpp
@@ -650,7 +650,7 @@ YueParser::YueParser() {
                 unary_value | TblComprehension | TableLit | Comprehension |
                 FunLit | Num);
 
-        ExpListAssign = ExpList >> -(Update | Assign);
+        ExpListAssign = ExpList >> -(Update | Assign) >> not_(Space >> expr('='));
 
         if_line = Space >> IfType >> IfCond;
         while_line = Space >> WhileType >> Exp;
@@ -661,13 +661,15 @@ YueParser::YueParser() {
         yue_multiline_comment = multi_line_open >> YueMultilineComment >> multi_line_close;
         yue_comment = check_indent >> (yue_multiline_comment >> *(set(" \t") | yue_multiline_comment) >> -yue_line_comment | yue_line_comment) >> and_(Break);
 
+        ChainAssign = Seperator >> Exp >> +(sym('=') >> Exp >> Space >> and_('=')) >> Assign;
+
         statement_appendix = (if_line | while_line | CompInner) >> Space;
         statement_sep = and_(*SpaceBreak >> CheckIndent >> Space >> (set("($'\"") | expr("[[") | expr("[=")));
         Statement = Seperator >> -(yue_comment >> *(Break >> yue_comment) >> Break >> CheckIndent) >> Space >> (
                 Import | While | Repeat | For | ForEach |
                 Return | Local | Global | Export | Macro |
                 MacroInPlace | BreakLoop | Label | Goto | ShortTabAppending |
-                LocalAttrib | Backcall | PipeBody | ExpListAssign |
+                LocalAttrib | Backcall | PipeBody | ExpListAssign | ChainAssign |
                 statement_appendix >> empty_block_error
         ) >> Space >>
         -statement_appendix >> -statement_sep;
@@ -679,7 +681,7 @@ YueParser::YueParser() {
                 advance >> ensure(MultiLineComment >> Space | Comment, PopIndent) |
                 plain_space) >> and_(Break);
 
-        indentation_error = pl::user(not_(PipeOperator), [](const item_t& item) {
+        indentation_error = pl::user(not_(PipeOperator | eof()), [](const item_t& item) {
                 throw ParserError("unexpected indent", *item.begin, *item.end);
                 return false;
         });