1 files changed, 51 insertions, 0 deletions
diff --git a/053rewrite_stash.cc b/053rewrite_stash.cc
new file mode 100644
index 00000000..df64baaf
--- /dev/null
+++ b/053rewrite_stash.cc
@@ -0,0 +1,51 @@
+//: when encountering other types, try to convert them to strings using
+//: 'to-text'
+
+:(before "End Instruction Inserting/Deleting Transforms")
+Transform.push_back(rewrite_stashes_to_text);
+
+:(code)
+void rewrite_stashes_to_text(recipe_ordinal r) {
+  recipe& caller = get(Recipe, r);
+  if (contains_named_locations(caller))
+    rewrite_stashes_to_text_named(caller);
+  // in recipes without named locations, 'stash' is still not configurable
+}
+
+bool contains_named_locations(const recipe& caller) {
+  for (long long int i = 0; i < SIZE(caller.steps); ++i) {
+    const instruction& inst = caller.steps.at(i);
+    for (long long int in = 0; in < SIZE(inst.ingredients); ++in)
+      if (is_named_location(inst.ingredients.at(in)))
+        return true;
+    for (long long int out = 0; out < SIZE(inst.products); ++out)
+      if (is_named_location(inst.products.at(out)))
+        return true;
+  }
+  return false;
+}
+
+void rewrite_stashes_to_text_named(recipe& caller) {
+  static long long int stash_instruction_idx = 0;
+  vector<instruction> new_instructions;
+  for (long long int i = 0; i < SIZE(caller.steps); ++i) {
+    instruction& inst = caller.steps.at(i);
+    if (inst.name == "stash") {
+      for (long long int j = 0; j < SIZE(inst.ingredients); ++j) {
+        if (is_literal(inst.ingredients.at(j))) continue;
+        if (is_mu_string(inst.ingredients.at(j))) continue;
+        instruction def;
+        def.name = "to-text";
+        def.ingredients.push_back(inst.ingredients.at(j));
+        ostringstream ingredient_name;
+        ingredient_name << "stash_" << stash_instruction_idx << '_' << j << ":address:array:character";
+        def.products.push_back(reagent(ingredient_name.str()));
+        new_instructions.push_back(def);
+        inst.ingredients.at(j).clear();  // reclaim old memory
+        inst.ingredients.at(j) = reagent(ingredient_name.str());
+      }
+    }
+    new_instructions.push_back(inst);
+  }
+  new_instructions.swap(caller.steps);
+}