Add Rust target

spec/test_input_index.rs

@@ -0,0 +1,28 @@
+use testparser::*;
+
+fn main() {
+    let mut c = p_context_new(b"ab");
+    assert_eq!(0, p_input_index(&c));
+    p_context_delete(c);
+
+    let mut c = p_context_new(b"a b");
+    let mut ti = p_token_info_t::default();
+    assert_eq!(P_SUCCESS, p_lex(&mut c, &mut ti));
+    assert_eq!(TOKEN_a, ti.token);
+    assert_eq!(1, p_input_index(&c));
+    assert_eq!(P_SUCCESS, p_lex(&mut c, &mut ti));
+    assert_eq!(TOKEN_b, ti.token);
+    assert_eq!(3, p_input_index(&c));
+    p_context_delete(c);
+
+    let mut c = p_context_new(b"ab");
+    assert_eq!(P_SUCCESS, p_parse_Start(&mut c));
+    assert_eq!(2, p_input_index(&c));
+    p_context_delete(c);
+
+    let mut c = p_context_new(b"abb");
+    let follow = [TOKEN_b];
+    assert_eq!(P_SUCCESS, p_parse_inner_Start(&mut c, &follow));
+    assert_eq!(2, p_input_index(&c));
+    p_context_delete(c);
+}