Refactor ALL the things!

src/parsers/indirect.c

@@ -0,0 +1,20 @@
+#include "parser_internal.h"
+
+static HParseResult* parse_indirect(void* env, HParseState* state) {
+  return h_do_parse(env, state);
+}
+static const HParserVtable indirect_vt = {
+  .parse = parse_indirect,
+};
+
+void h_bind_indirect(HParser* indirect, HParser* inner) {
+  assert_message(indirect->vtable == &indirect_vt, "You can only bind an indirect parser");
+  indirect->env = inner;
+}
+
+HParser* h_indirect() {
+  HParser *res = g_new(HParser, 1);
+  res->vtable = &indirect_vt;
+  res->env = NULL;
+  return res;
+}