#253 - Front-End Parser - Test & Validation

Fixed a few bugs.
Typee-Language · Sep 16, 2019 · 8101932 · 8101932
1 parent ac9225e
commit 8101932
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Showing 2 changed files with 9 additions and 2 deletions.
diff --git a/src/FrontEnd/Errors/fe_syntax_errors.py b/src/FrontEnd/Errors/fe_syntax_errors.py
@@ -68,6 +68,7 @@ class FESyntaxErrors:
     CASTING_PAROP               = 'missing ( in scalar type casting clause',
     CLASS_BODY                  = 'missing class definition after class clause',
     CLASS_NAME                  = 'missing or badly formed class name after keyword class',
+    COMMENT_NL                  = 'missing new line character at end of comment or multi-comment statement',
     COMP_EXPR                   = 'missing or badly formed expression after comparison operator',
     CONST_TYPE                  = 'missing or badly formed type identifier after keyword "const"',
     CONTAINED_TYPE              = 'missing type specification after < in contained type definition',

diff --git a/src/FrontEnd/Parser/fe_parser.py b/src/FrontEnd/Parser/fe_parser.py
@@ -1172,9 +1172,15 @@ def _empty_statement(self) -> bool:
         # <empty statement> ::= <comment>
         #                    |  <NEWLINE>
         #=======================================================================
-        if self._current.is_COMMENT() or self._current.is_COMMENT_ML() or self._current.is_NL(): ## (notice: previously scanned by Scanner)
+        if self._current.is_COMMENT() or self._current.is_COMMENT_ML(): ## (notice: previously scanned by Scanner)
             self._append_syntaxic_node()
-            self._new_line()
+            self._next_token_node()
+            if not self._new_line():
+                self._append_error( FESyntaxErrors.COMMENT_NL )
+            return True
+        elif self._current.is_NL():
+            self._append_syntaxic_node()
+            self._next_token_node()
             return True
         else:
             return False