Add Rust target

spec/test_starting_rules_tree.rs

@@ -0,0 +1,34 @@
+use testparser::*;
+
+fn main() {
+    let mut c = p_context_new(b"bbbb");
+    assert_eq!(P_SUCCESS, p_parse(&mut c));
+    {
+        let start = p_result(&c);
+        assert!(start.bs().valid());
+        assert!(start.bs().b().valid());
+        assert!(start.bs().bs().b().valid());
+        assert!(start.bs().bs().bs().b().valid());
+        assert!(start.bs().bs().bs().bs().b().valid());
+    }
+    p_context_delete(c);
+
+    let mut c = p_context_new(b"bbbb");
+    assert_eq!(P_SUCCESS, p_parse_Bs(&mut c));
+    {
+        let bs = p_result_Bs(&c);
+        assert!(bs.b().valid());
+        assert!(bs.bs().b().valid());
+        assert!(bs.bs().bs().b().valid());
+        assert!(bs.bs().bs().bs().b().valid());
+    }
+    p_context_delete(c);
+
+    let mut c = p_context_new(b"c");
+    assert_eq!(P_SUCCESS, p_parse_R(&mut c));
+    {
+        let r = p_result_R(&c);
+        assert!(r.c().valid());
+    }
+    p_context_delete(c);
+}