Add builtin object type

1 files changed, 31 insertions, 0 deletions

diff --git a/src/parser.h b/src/parser.h
index 60a307c..41f1fc1 100644
--- a/src/parser.h
+++ b/src/parser.h
@@ -23,8 +23,33 @@ typedef enum ObjectType {
     OBJ_TYPE_IF,
     OBJ_TYPE_DEF,
     OBJ_TYPE_SET,
+    OBJ_TYPE_BUILTIN,
 } ObjectType;
 
+typedef enum Builtin {
+    BUILTIN_ADD,
+    BUILTIN_SUB,
+    BUILTIN_MUL,
+    BUILTIN_DIV,
+    BUILTIN_MOD,
+    BUILTIN_EQ,
+    BUILTIN_LT,
+    BUILTIN_GT,
+    BUILTIN_LE,
+    BUILTIN_GE,
+    BUILTIN_NOT,
+    BUILTIN_AND,
+    BUILTIN_OR,
+    BUILTIN_IS_NIL,
+    BUILTIN_IS_ZERO,
+    BUILTIN_IS_FIXNUM,
+    BUILTIN_IS_BOOL,
+    BUILTIN_IS_PRINT,
+    BUILTIN_IS_CONS,
+    BUILTIN_IS_CAR,
+    BUILTIN_IS_CDR,
+} Builtin;
+
 typedef struct Object {
     ObjectType type;
     union {
@@ -62,6 +87,11 @@ typedef struct Object {
              struct Object *var_name;
              struct Object *var_expr;
          };
+
+         // OBJ_TYPE_BUILTIN
+         struct {
+             Builtin builtin;
+         };
     };
 
     bool visited;
@@ -125,6 +155,7 @@ void free_objects(void);
 #define IS_SYMBOL(VAL) ((VAL)->type == OBJ_TYPE_SYMBOL)
 #define IS_PAIR(VAL)   ((VAL)->type == OBJ_TYPE_PAIR)
 #define IS_LAMBDA(VAL) ((VAL)->type == OBJ_TYPE_LAMBDA)
+#define IS_BUILTIN(VAL) ((VAL)->type == OBJ_TYPE_BUILTIN)
 
 // Debug.
 #define OBJ_PRINT(OBJ) object_display(OBJ); printf("\n");