[CI/PA1] Unknown characters are printed out

1 files changed, 1 insertions, 0 deletions

diff --git a/Year 3/Compilers, Introduction/coolc-spim/my-code/coursework/pa1/cool.flex b/Year 3/Compilers, Introduction/coolc-spim/my-code/coursework/pa1/cool.flex
index 942b3a7..c6e99b9 100644
--- a/Year 3/Compilers, Introduction/coolc-spim/my-code/coursework/pa1/cool.flex
+++ b/Year 3/Compilers, Introduction/coolc-spim/my-code/coursework/pa1/cool.flex
@@ -144,5 +144,6 @@ yylval types:
 
 [\n\r]		{ curr_lineno++; }
 [ \f\t\v] 	{ }
+. 		{ cool_yylval.error_msg = yytext; return (ERROR); }
 
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