glcpp: Handle missing newline at EOF.

Fixes CorrectFuncOverload.vert.

diff --git a/glcpp/glcpp-lex.l b/glcpp/glcpp-lex.l
index c28f2f6..933d9f4 100644 (file)
--- a/glcpp/glcpp-lex.l
+++ b/glcpp/glcpp-lex.l
@@ -33,6 +33,8 @@
 %option extra-type="glcpp_parser_t *"
 %option prefix="glcpp_"
 
+%x DONE
+
 SPACE          [[:space:]]
 NONSPACE       [^[:space:]]
 NEWLINE                [\n]
@@ -207,6 +209,13 @@ NON_STARS_THEN_STARS       [^*]*[*]+
        return NEWLINE;
 }
 
+       /* Handle missing newline at EOF. */
+<INITIAL><<EOF>> {
+       BEGIN DONE; /* Don't keep matching this rule forever. */
+       yyextra->lexing_if = 0;
+       return NEWLINE;
+}
+
 %%
 
 void