blob: 0401d5b9c625ab2a6012e59bd7f550847cca65ca (
plain) (
tree)
|
|
//: Calls can take ingredients just like primitives. To access a recipe's
//: ingredients, use 'next-ingredient'.
:(scenario "next_ingredient")
recipe main [
f 2:literal
]
recipe f [
12:integer <- next-ingredient
13:integer <- add 1:literal, 12:integer
]
+run: instruction f/1
+mem: location 12 is 2
+mem: storing in location 13
:(before "End Call Fields")
vector<vector<int> > ingredient_atoms;
size_t next_ingredient_to_process;
:(replace{} "call(recipe_number r)")
call(recipe_number r) :running_recipe(r), pc(0), next_ingredient_to_process(0) {}
:(replace "rr.calls.push(call(instructions[pc].operation))" following "End Primitive Recipe Implementations")
call callee(instructions[pc].operation);
for (vector<reagent>::iterator p = instructions[pc].ingredients.begin(); p != instructions[pc].ingredients.end(); ++p) {
callee.ingredient_atoms.push_back(read_memory(*p));
}
rr.calls.push(callee);
:(before "End Globals")
const int NEXT_INGREDIENT = 22;
:(before "End Primitive Recipe Numbers")
Recipe_number["next-ingredient"] = NEXT_INGREDIENT;
assert(Next_recipe_number == NEXT_INGREDIENT);
Next_recipe_number++;
:(before "End Primitive Recipe Implementations")
case NEXT_INGREDIENT: {
if (rr.calls.top().next_ingredient_to_process < rr.calls.top().ingredient_atoms.size()) {
trace("run") << "product 0 is "
<< rr.calls.top().ingredient_atoms[rr.calls.top().next_ingredient_to_process][0];
write_memory(instructions[pc].products[0],
rr.calls.top().ingredient_atoms[rr.calls.top().next_ingredient_to_process]);
++rr.calls.top().next_ingredient_to_process;
}
break;
}
|