Merge pull request #313 from GreasySlug/main

Fix syntax is ignore after multi-line comment

compiler/erg_parser/lex.rs

@@ -323,6 +323,8 @@ impl Lexer /*<'a>*/ {
                     (']', '#') => {
                         nest_level -= 1;
                         if nest_level == 0 {
+                            self.consume(); // ]
+                            self.consume(); // #
                             return Ok(());
                         }
                     }
@@ -448,8 +450,7 @@ impl Lexer /*<'a>*/ {
                 if let Err(e) = self.lex_multi_line_comment() {
                     return Some(Err(e));
                 }
-            }
-            if let Err(e) = self.lex_comment() {
+            } else if let Err(e) = self.lex_comment() {
                 return Some(Err(e));
             }
         }
@@ -1059,8 +1060,7 @@ impl Iterator for Lexer /*<'a>*/ {
                 if let Err(e) = self.lex_multi_line_comment() {
                     return Some(Err(e));
                 }
-            }
-            if let Err(e) = self.lex_comment() {
+            } else if let Err(e) = self.lex_comment() {
                 return Some(Err(e));
             }
         }

tests/should_ok/comment.er

@@ -0,0 +1,11 @@
+#[]#print! "hi"#[ if there isn't `;`, this code is evaluated `print! "hi"h print! "there"`
+]#;print! "there"
+print! #[]#0, 1#[]#, 2,#[]#3
+a = {
+    #[first]#name #[second]#=#[third]#"John"#[fouth]#
+}
+Del a
+#[]#print! 0
+print!#[]#1
+#[]#print! 2#[
+]#

tests/test.rs

@@ -224,3 +224,8 @@ fn exec_callable() -> Result<(), ()> {
 fn exec_multiline_invalid_next() -> Result<(), ()> {
     expect_failure("tests/should_err/multi_line_invalid_nest.er", 1)
 }
+
+#[test]
+fn exec_comment() -> Result<(), ()> {
+    expect_success("tests/should_ok/comment.er")
+}