New AST

ast.h

@@ -0,0 +1,51 @@
+typedef struct AST_Node AST_Node;
+typedef struct Expr Expr;
+
+typedef enum AST_Kind{
+  AK_None,
+  AK_Undefined,
+  
+  AK_BaseType,
+  AK_Typedef,
+  AK_Enum,
+  AK_Struct,
+  AK_Union,
+  
+  AK_Note,
+  AK_List,
+  
+  AK_Pointer,
+  AK_Array,
+  AK_Function,
+  AK_Variable,
+  AK_EnumChild,
+  
+}AST_Kind;
+
+struct AST_Node{
+  AST_Kind kind;
+  Token *pos;
+  Expr *expr;
+  Intern_String name;
+  
+  AST_Node *next;
+  AST_Node *scope_next;
+  
+  AST_Node *first_note;
+  AST_Node *last_note;
+  
+  AST_Node *first_child;
+  AST_Node *last_child;
+  union{
+    AST_Node *pointer;
+    SizeU base_type_size;
+    AST_Node *typedef_type;
+    AST_Node *func_return_type;
+  };
+};
+
+function B32
+ast_is_type(AST_Node *n){
+  B32 result = n->kind >= AK_BaseType && n->kind <= AK_Union;
+  return result;
+}