core: Add program data types

Signed-off-by: Ian Moffett <ian@mirocom.org>

core/lexer.c

@@ -231,6 +231,28 @@ lexer_check_kw(struct rifle_state *state, struct token *tok)
     }
 
     switch (*tok->s) {
+    case 'u':
+        if (strcmp(tok->s, "u8") == 0) {
+            tok->type = TT_U8;
+            return;
+        }
+
+        if (strcmp(tok->s, "u16") == 0) {
+            tok->type = TT_U16;
+            return;
+        }
+
+        if (strcmp(tok->s, "u32") == 0) {
+            tok->type = TT_U32;
+            return;
+        }
+
+        if (strcmp(tok->s, "u64") == 0) {
+            tok->type = TT_U64;
+            return;
+        }
+
+        break;
     case '.':
         lexer_check_direc(state, tok);
         break;

core/parser.c

@@ -61,6 +61,10 @@ static const char *toktab[] = {
     [TT_F]      = qtok(".f"),
     [TT_STRUCT] = qtok(".struct"),
     [TT_EXTERN] = qtok(".extern"),
+    [TT_U8]     = qtok("u8"),
+    [TT_U16]    = qtok("u16"),
+    [TT_U32]    = qtok("u32"),
+    [TT_U64]    = qtok("u64"),
     [TT_DEFINE] = qtok("#define"),
     [TT_IFDEF]  = qtok("#ifdef"),
     [TT_IFNDEF] = qtok("#ifndef"),