3 files changed, 5 insertions, 1 deletions

diff --git a/src/symbol_table.c b/src/symbol_table.c
index 60f2cd6..3ac34fb 100644
--- a/src/symbol_table.c
+++ b/src/symbol_table.c
@@ -203,6 +203,8 @@ static char *string_of_type(int type) {
     return "INT";
   case CHAR:
     return "CHAR";
+  case VOID:
+    return "VOID";
   default:
     return "UNEXPECTED";
   }
diff --git a/src/symbol_table.h b/src/symbol_table.h
index 917e4f9..cd14ae2 100644
--- a/src/symbol_table.h
+++ b/src/symbol_table.h
@@ -16,7 +16,8 @@
 
 typedef enum type {
   INT,
-  CHAR
+  CHAR,
+  VOID
 } Type;
 
 typedef struct {
diff --git a/src/tpc.lex b/src/tpc.lex
index bdf6bb5..7d907b4 100644
--- a/src/tpc.lex
+++ b/src/tpc.lex
@@ -7,6 +7,7 @@
 #include "tpc.tab.h"
 #define INT 0
 #define CHAR 1
+#define VOID 2
 int lineno = 1;
 %}