added indentation error messages.

4 files changed, 11 insertions, 5 deletions

diff --git a/spec/inputs/try-catch.yue b/spec/inputs/try-catch.yue
index f5cb97e..7287c33 100644
--- a/spec/inputs/try-catch.yue
+++ b/spec/inputs/try-catch.yue
@@ -34,8 +34,8 @@ catch err
 
 if try func 1
 catch err
-        print err
-                print "OK"
+                print err
+        print "OK"
 
 do
         if success, result = try func "abc", 123
diff --git a/src/yuescript/yue_compiler.cpp b/src/yuescript/yue_compiler.cpp
index d0f2dbb..45a9bf6 100644
--- a/src/yuescript/yue_compiler.cpp
+++ b/src/yuescript/yue_compiler.cpp
@@ -59,7 +59,7 @@ namespace yue {
 
 typedef std::list<std::string> str_list;
 
-const std::string_view version = "0.15.9"sv;
+const std::string_view version = "0.15.10"sv;
 const std::string_view extension = "yue"sv;
 
 class YueCompilerImpl {
diff --git a/src/yuescript/yue_parser.cpp b/src/yuescript/yue_parser.cpp
index e4de0b5..e755fb2 100644
--- a/src/yuescript/yue_parser.cpp
+++ b/src/yuescript/yue_parser.cpp
@@ -679,10 +679,15 @@ YueParser::YueParser() {
                 advance >> ensure(MultiLineComment >> Space | Comment, PopIndent) |
                 plain_space) >> and_(Break);
 
+        indentation_error = pl::user(not_(PipeOperator), [](const item_t& item) {
+                throw ParserError("unexpected indent", *item.begin, *item.end);
+                return false;
+        });
+
         Line =
                 CheckIndent >> Statement |
-                Advance >> ensure(Space >> and_(PipeOperator) >> Statement, PopIndent) |
-                empty_line_break;
+                empty_line_break |
+                Advance >> ensure(Space >> (indentation_error | Statement), PopIndent);
         Block = Seperator >> Line >> *(+Break >> Line);
 
         Shebang = expr("#!") >> *(not_(Stop) >> Any);
diff --git a/src/yuescript/yue_parser.h b/src/yuescript/yue_parser.h
index 9e2a621..74281fb 100644
--- a/src/yuescript/yue_parser.h
+++ b/src/yuescript/yue_parser.h
@@ -117,6 +117,7 @@ private:
 
         rule empty_block_error;
         rule leading_spaces_error;
+        rule indentation_error;
 
         rule num_char;
         rule num_char_hex;