1 files changed, 21 insertions, 3 deletions

diff --git a/sloth.h b/sloth.h
index 809b99d..8032403 100644
--- a/sloth.h
+++ b/sloth.h
@@ -1,22 +1,40 @@
 #pragma once
 #include <stdint.h>
 #include <stddef.h>
+#include <xxhash.h>
 
 /* Replace '16' by desired byte size on both following lines. */
 #define SLOTH_BITS 16
 typedef uint16_t SlothByte;
-
+typedef XXH32_hash_t SlothHash;
+typedef struct SlothDict SlothDict;
 typedef const char* SlothError;
-typedef struct Sloth {
+typedef struct Sloth Sloth;
+
+struct Sloth {
 	SlothByte *stack;
 	size_t stack_size;
 	size_t stack_capacity;
 	SlothByte mem[1 << SLOTH_BITS];
-} Sloth;
+	SlothDict *dict;
+};
+
+struct SlothDict {
+	SlothHash hash;
+	int c_func;
+	SlothError (*func)(Sloth *ctx);
+	SlothDict *next;
+};
+#define SLOTH_DICT_C(word, func) \
+	(SlothDict){XXH32(word, strlen(word), 0), 1, func, NULL}
 
+SlothError sloth_init(Sloth *ctx);
 void sloth_deinit(Sloth *ctx);
+SlothError sloth_dict_append(Sloth *ctx, SlothDict dict);
 SlothError sloth_exec(Sloth *ctx, const char *s);
 SlothError sloth_exec_line(Sloth *ctx, char *s);
 SlothError sloth_pop(Sloth *ctx, SlothByte *v);
 SlothError sloth_push(Sloth *ctx, SlothByte v);
+SlothError sloth_add(Sloth *ctx);
+SlothError sloth_write(Sloth *ctx);
 void sloth_inspect_stack(const Sloth *ctx);