refactor hashtables, and use objstrings for keys

doesn't yet work without string interning, which will require
further refactoring

1 files changed, 7 insertions, 2 deletions

diff --git a/val.h b/val.h
index 6e4cc18..3cf3251 100644
--- a/val.h
+++ b/val.h
@@ -2,6 +2,9 @@
 #define _val_h
 
 #include <stdbool.h>
+#include <stdint.h>
+#include <stddef.h>
+
 
 typedef struct _val Val;
 typedef struct _obj Obj;
@@ -38,10 +41,12 @@ typedef struct _obj {
 typedef struct {
 	Obj obj;
 	size_t len;
+	uint32_t hash;
 	char *b;
 } ObjString;
-// copies data
-ObjString *objstring_new(char *src, size_t len);
+
+ObjString *objstring_copy(char *src, size_t len);
+ObjString *objstring_take(char *src, size_t len);
 
 
 #define IS_NIL(x) (x.ty == NIL)