1 files changed, 6 insertions, 0 deletions
diff --git a/src/runtime/c/pgf/lexer.h b/src/runtime/c/pgf/lexer.h
index 270a7949b..d2992ee06 100644
--- a/src/runtime/c/pgf/lexer.h
+++ b/src/runtime/c/pgf/lexer.h
@@ -2,12 +2,18 @@
 #define PGF_LEXER_H_
 
 #include <gu/read.h>
+#include <pgf/expr.h>
 
 /// A single lexical token			      
 typedef GuString PgfToken;
 typedef GuSeq PgfTokens;  // -> PgfToken
 
 typedef struct {
+	prob_t prob;
+	PgfToken tok;
+} PgfTokenProb;
+
+typedef struct {
 	PgfToken (*read_token)();
 	PgfToken tok;
 } PgfLexer;