//: Recipe to look at elements of containers.

:(before "End Primitive Recipe Declarations")
_PRINT,
:(before "End Primitive Recipe Numbers")
Recipe_ordinal["$print"] = _PRINT;
:(before "End Primitive Recipe Implementations")
case _PRINT: {
  for (long long int i = 0; i < SIZE(ingredients); ++i) {
    if (is_literal(current_instruction().ingredients.at(i))) {
      trace(Primitive_recipe_depth, "run") << "$print: " << current_instruction().ingredients.at(i).name;
      if (has_property(current_instruction().ingredients.at(i), "newline"))
        cout << '\n';
      else
        cout << current_instruction().ingredients.at(i).name;
    }
    else {
      for (long long int j = 0; j < SIZE(ingredients.at(i)); ++j) {
        trace(Primitive_recipe_depth, "run") << "$print: " << ingredients.at(i).at(j);
        if (j > 0) cout << " ";
        cout << ingredients.at(i).at(j);
      }
    }
  }
  break;
}

:(before "End Primitive Recipe Declarations")
_START_TRACING,
:(before "End Primitive Recipe Numbers")
Recipe_ordinal["$start-tracing"] = _START_TRACING;
:(before "End Primitive Recipe Implementations")
case _START_TRACING: {
  if (current_instruction().ingredients.empty())
    Trace_stream->dump_layer = "all";
  else
    Trace_stream->dump_layer = current_instruction().ingredients.at(0).name;
//?   cout << Trace_stream << ": " << Trace_stream->dump_layer << '\n'; //? 1
  break;
}

:(before "End Primitive Recipe Declarations")
_STOP_TRACING,
:(before "End Primitive Recipe Numbers")
Recipe_ordinal["$stop-tracing"] = _STOP_TRACING;
:(before "End Primitive Recipe Implementations")
case _STOP_TRACING: {
  Trace_stream->dump_layer = "";
  break;
}

:(before "End Primitive Recipe Declarations")
_CLOSE_TRACE,
:(before "End Primitive Recipe Numbers")
Recipe_ordinal["$close-trace"] = _CLOSE_TRACE;
:(before "End Primitive Recipe Implementations")
case _CLOSE_TRACE: {
  if (Trace_stream) {
    delete Trace_stream;
    Trace_stream = NULL;
  }
  break;
}

:(before "End Primitive Recipe Declarations")
_EXIT,
:(before "End Primitive Recipe Numbers")
Recipe_ordinal["$exit"] = _EXIT;
:(before "End Primitive Recipe Implementations")
case _EXIT: {
  exit(0);
  break;
}

:(before "End Primitive Recipe Declarations")
_DUMP_TRACE,
:(before "End Primitive Recipe Numbers")
Recipe_ordinal["$dump-trace"] = _DUMP_TRACE;
:(before "End Primitive Recipe Implementations")
case _DUMP_TRACE: {
  if (ingredients.empty()) {
    DUMP("");
  }
  else {
    DUMP(current_instruction().ingredients.at(0).name);
  }
  break;
}

:(before "End Primitive Recipe Declarations")
_CLEAR_TRACE,
:(before "End Primitive Recipe Numbers")
Recipe_ordinal["$clear-trace"] = _CLEAR_TRACE;
:(before "End Primitive Recipe Implementations")
case _CLEAR_TRACE: {
  CLEAR_TRACE;
  break;
}

:(before "End Primitive Recipe Declarations")
_DUMP_MEMORY,
:(before "End Primitive Recipe Numbers")
Recipe_ordinal["$dump-memory"] = _DUMP_MEMORY;
:(before "End Primitive Recipe Implementations")
case _DUMP_MEMORY: {
  dump_memory();
  break;
}

:(before "End Primitive Recipe Declarations")
_DUMP,
:(before "End Primitive Recipe Numbers")
Recipe_ordinal["$dump"] = _DUMP;
:(before "End Primitive Recipe Implementations")
case _DUMP: {
  reagent after_canonize = canonize(current_instruction().ingredients.at(0));
  cerr << current_recipe_name() << ": " << current_instruction().ingredients.at(0).name << ' ' << current_instruction().ingredients.at(0).value << " => " << after_canonize.value << " => " << Memory[after_canonize.value] << '\n';
  break;
}

//: Helper for debugging: grab an address and then dump its value.
:(before "End Globals")
long long int foo = -1;
:(before "End Primitive Recipe Declarations")
_FOO,
:(before "End Primitive Recipe Numbers")
Recipe_ordinal["$foo"] = _FOO;
:(before "End Primitive Recipe Implementations")
case _FOO: {
  if (current_instruction().ingredients.empty()) {
    if (foo != -1) cerr << foo << ": " << Memory[foo] << '\n';
    else cerr << '\n';
  }
  else {
    foo = canonize(current_instruction().ingredients.at(0)).value;
  }
  break;
}