Change how types handle metamethods

1 files changed, 18 insertions, 0 deletions

diff --git a/stdlib/functiontype.h b/stdlib/functiontype.h
index 8fdabb8c..7745bff8 100644
--- a/stdlib/functiontype.h
+++ b/stdlib/functiontype.h
@@ -1,9 +1,27 @@
 #pragma once
 
+#include <stdbool.h>
+
+#include "types.h"
+#include "util.h"
+
 // Logic for handling function type values
 
 void register_function(void *fn, Text_t name);
 Text_t *get_function_name(void *fn);
 Text_t Func$as_text(const void *fn, bool colorize, const TypeInfo_t *type);
+PUREFUNC bool Func$is_none(const void *obj, const TypeInfo_t*);
+
+#define Func$metamethods ((metamethods_t){ \
+    .as_text=Func$as_text, \
+    .is_none=Func$is_none, \
+})
+
+#define Function$info(typestr) &((TypeInfo_t){.size=sizeof(void*), .align=__alignof__(void*), \
+                                 .tag=FunctionInfo, .FunctionInfo.type_str=typestr, \
+                                 .metamethods=Func$metamethods})
+#define Closure$info(typestr) &((TypeInfo_t){.size=sizeof(void*[2]), .align=__alignof__(void*), \
+                                 .tag=FunctionInfo, .FunctionInfo.type_str=typestr, \
+                                 .metamethods=Func$metamethods})
 
 // vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0