cpp/025name


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//: A big convenience high-level languages provide is the ability to name memory
//: locations. In mu, a lightweight tool called 'convert-names' provides this
//: convenience.

:(scenarios run)
:(scenario "convert_names")
recipe main [
  x:integer <- copy 0:literal
]
+name: assign x 1
+run: instruction main/0
+mem: storing in location 1

:(after "int main")
Transform.push_back(transform_names);

:(before "End Globals")
unordered_map<recipe_number, unordered_map<string, int> > Name;

:(code)
void transform_names(const recipe_number r) {
  unordered_map<string, int>& names = Name[r];
  int curr_idx = 1;
//?   cout << "Recipe " << r << '\n'; //? 2
//?   cout << Recipe[r].steps.size(); //? 1
  for (size_t i = 0; i < Recipe[r].steps.size(); ++i) {
//?     cout << "instruction " << i << '\n'; //? 2
    instruction& inst = Recipe[r].steps[i];
    for (size_t in = 0; in < inst.ingredients.size(); ++in) {
//?       cout << "ingredient " << inst.ingredients[in].name << '\n'; //? 1
      if (inst.ingredients[in].types[0]
          && inst.ingredients[in].name.find_first_not_of("0123456789-.") != string::npos) {
        if (names.find(inst.ingredients[in].name) == names.end()) {
          // todo: test
          cerr << "user before set: " << inst.ingredients[in].name << " in " << Recipe[r].name << '\n';
        }
        inst.ingredients[in].value = names[inst.ingredients[in].name];
        inst.ingredients[in].initialized = true;
      }
    }
    for (size_t out = 0; out < inst.products.size(); ++out) {
//?       cout << "product " << out << '/' << inst.products.size() << " " << inst.products[out].name << '\n'; //? 2
//?       cout << inst.products[out].types[0] << '\n'; //? 1
      if (inst.products[out].types[0]
          && inst.products[out].name.find_first_not_of("0123456789-.") != string::npos) {
        if (names.find(inst.products[out].name) == names.end()) {
          trace("name") << "assign " << inst.products[out].name << " " << curr_idx;
          names[inst.products[out].name] = curr_idx;
          ++curr_idx;
        }
        inst.products[out].value = names[inst.products[out].name];
        inst.products[out].initialized = true;
      }
    }
  }
}