1 files changed, 11 insertions, 1 deletions
diff --git a/parts/grammar.h b/parts/grammar.h
index d1bf176..4505b1a 100644
--- a/parts/grammar.h
+++ b/parts/grammar.h
@@ -3,10 +3,20 @@
 
 #include <stddef.h> // size_t
 
+enum precedence_flag {
+    PRECEDENCE_NO_ASSOC,
+    PRECEDENCE_RIGHT_ASSOC,
+    PRECEDENCE_LEFT_ASSOC,
+};
+
+#define PRECEDENCE_NUM(prec) ((prec) >> 2)
+#define PRECEDENCE_FLAG(prec) ((prec) & 0x3)
+
 extern struct production {
     symbol LHS;
     symbol *RHS;
     size_t nRHS;
+    unsigned int precedence;
 } *grammar;
 
 extern size_t total_productions;
@@ -29,7 +39,7 @@ void grammar_print_cstyle()
         printf("{%d, (symbol[]){", grammar[i].LHS);
         for(size_t j = 0; j < grammar[i].nRHS; j++)
             printf("%d, ", grammar[i].RHS[j]);
-        printf("}, %zu},\n", grammar[i].nRHS);
+        printf("}, %zu, %d},\n", grammar[i].nRHS, grammar[i].precedence);
     }
 }