some refactoring in preparation for a preprocessor

[cparser] / diagnostic.h

diff --git a/diagnostic.h b/diagnostic.h
index ae54d24..5e8e0aa 100644 (file)
--- a/diagnostic.h
+++ b/diagnostic.h
@@ -20,6 +20,7 @@
 #ifndef DIAGNOSTIC_H
 #define DIAGNOSTIC_H
 
+#include <stdbool.h>
 #include "token_t.h"
 
 void diagnosticf(const char *fmt, ...);