nqasm: don't echo unknown tokens

2 files changed, 3 insertions, 0 deletions

diff --git a/lexer.l b/lexer.l
index 9b1548d..4a593fe 100644
--- a/lexer.l
+++ b/lexer.l
@@ -95,4 +95,6 @@ HEX        [0-9a-f]
 <INITIAL><<EOF>>         {                 return 0;        }
 <<EOF>>                  { BEGIN(INITIAL); return T_EOL;    }
 
+.                        { return T_UNKNOWN; }
+
 %%
diff --git a/parser.y b/parser.y
index ed33aa4..8998c37 100644
--- a/parser.y
+++ b/parser.y
@@ -37,6 +37,7 @@ void yyerror(const char *msg)
 
 %token END 0 "end of file"
 
+%token T_UNKNOWN
 %token T_SPACE
 %token T_EOL