clean up yesterday's hacks + functions in type system

1 files changed, 12 insertions, 0 deletions

diff --git a/type.h b/type.h
index ef848c5..a67fabb 100644
--- a/type.h
+++ b/type.h
@@ -9,10 +9,16 @@ struct data_type {
     bool is_floating;
 };
 
+struct fn_type {
+    struct type_list* arg_types;
+    struct type* return_type;
+};
+
 struct type {
     enum {
         TP_DATA,
         TP_PTR,
+        TP_FN,
     } type;
     union {
         struct {
@@ -23,9 +29,15 @@ struct type {
             const struct data_type* data_type;
             integral_t ptr_level;
         } pointer;
+        struct fn_type fn;
     };
 };
 
+struct type_list {
+    const struct type* type;
+    struct type_list* next;
+};
+
 extern const struct data_type void_type;
 extern const struct data_type char_type;
 extern const struct data_type short_type;