core: lexer: Add unsigned type tokens

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

core/lexer.c

@@ -186,6 +186,30 @@ lexer_check_kw(struct cescal_state *state, struct token *res)
             res->type = TT_RETURN;
             return;
         }
+
+        break;
+    case 'u':
+        if (strcmp(res->s, "u8") == 0) {
+            res->type = TT_U8;
+            return;
+        }
+
+        if (strcmp(res->s, "u16") == 0) {
+            res->type = TT_U16;
+            return;
+        }
+
+        if (strcmp(res->s, "u32") == 0) {
+            res->type = TT_U32;
+            return;
+        }
+
+        if (strcmp(res->s, "u64") == 0) {
+            res->type = TT_U64;
+            return;
+        }
+
+        break;
     }
 }
 

core/parser.c

@@ -45,7 +45,11 @@ static const char *toktab[] = {
     [TT_PUB]     = qtok("pub"),
     [TT_PROC]    = qtok("proc"),
     [TT_BEGIN]   = qtok("begin"),
-    [TT_END]     = qtok("end")
+    [TT_END]     = qtok("end"),
+    [TT_U8]      = qtok("u8"),
+    [TT_U16]     = qtok("u16"),
+    [TT_U32]     = qtok("u32"),
+    [TT_U64]     = qtok("u64")
 };
 
 int