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authorJames Booth <boothj5@gmail.com>2016-04-27 01:36:14 +0100
committerJames Booth <boothj5@gmail.com>2016-04-27 01:36:14 +0100
commit5687c3e419e88687a97b5bfa728ffe92bf8d4e98 (patch)
tree2dd18c6ef571aeb40f47d586bb70a810bf0059a8 /src/muc.c
parenta7524bc3a74842aee62d9b97e7fb7f26ac4428d6 (diff)
downloadprofani-tty-5687c3e419e88687a97b5bfa728ffe92bf8d4e98.tar.gz
Free inputrc string
fixes #797
Diffstat (limited to 'src/muc.c')
0 files changed, 0 insertions, 0 deletions
 

generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-07-04 12:38:29 +0000


 


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//: Calls can also generate products, using 'reply'.

:(scenario reply)
recipe main [
  1:number, 2:number <- f 34:literal
]
recipe f [
  12:number <- next-ingredient
  13:number <- add 1:literal, 12:number
  reply 12:number, 13:number
]
+mem: storing 34 in location 1
+mem: storing 35 in location 2

:(before "End Primitive Recipe Declarations")
REPLY,
:(before "End Primitive Recipe Numbers")
Recipe_number["reply"] = REPLY;
:(before "End Primitive Recipe Implementations")
case REPLY: {
  const instruction& reply_inst = current_instruction();  // save pointer into recipe before pop
  const string& callee = current_recipe_name();
  --Callstack_depth;
//?   if (tb_is_active()) { //? 1
//?     tb_clear(); //? 1
//?     cerr << Recipe[Current_routine->calls.front().running_recipe].name << ' ' << current_step_index() << '\n'; //? 1
//?   } //? 1
  Current_routine->calls.pop_front();
  // just in case 'main' returns a value, drop it for now
  if (Current_routine->calls.empty()) goto stop_running_current_routine;
  const instruction& caller_instruction = current_instruction();
  // make reply results available to caller
  copy(ingredients.begin(), ingredients.end(), inserter(products, products.begin()));
  // check that any reply ingredients with /same-as-ingredient connect up
  // the corresponding ingredient and product in the caller.
  for (long long int i = 0; i < SIZE(caller_instruction.products); ++i) {
//?     cerr << Recipe[Current_routine->calls.front().running_recipe].name << '\n'; //? 1
    trace(Primitive_recipe_depth, "run") << "result " << i << " is " << to_string(ingredients.at(i));
    if (has_property(reply_inst.ingredients.at(i), "same-as-ingredient")) {
      vector<string> tmp = property(reply_inst.ingredients.at(i), "same-as-ingredient");
      assert(SIZE(tmp) == 1);
      long long int ingredient_index = to_integer(tmp.at(0));
      if (caller_instruction.products.at(i).value != caller_instruction.ingredients.at(ingredient_index).value)
        raise << current_recipe_name() << ": 'same-as-ingredient' result " << caller_instruction.products.at(i).value << " from call to " << callee << " must be location " << caller_instruction.ingredients.at(ingredient_index).value << '\n';
    }
  }
  break;  // continue to process rest of *caller* instruction
}

//: Products can include containers and exclusive containers, addresses and arrays.
:(scenario reply_container)
recipe main [
  3:point <- f 2:literal
]
recipe f [
  12:number <- next-ingredient
  13:number <- copy 35:literal
  reply 12:point/raw  # unsafe
]
+run: result 0 is [2, 35]
+mem: storing 2 in location 3
+mem: storing 35 in location 4

//: In mu we'd like to assume that any instruction doesn't modify its
//: ingredients unless they're also products. The /same-as-ingredient inside
//: the recipe's 'reply' will help catch accidental misuse of such
//: 'ingredient-results' (sometimes called in-out parameters in other languages).

:(scenario reply_same_as_ingredient)
% Hide_warnings = true;
recipe main [
  1:number <- copy 0:literal
  2:number <- test1 1:number  # call with different ingredient and product
]
recipe test1 [
  10:address:number <- next-ingredient
  reply 10:address:number/same-as-ingredient:0
]
+warn: main: 'same-as-ingredient' result 2 from call to test1 must be location 1

:(code)
string to_string(const vector<double>& in) {
  if (in.empty()) return "[]";
  ostringstream out;
  if (SIZE(in) == 1) {
    out << in.at(0);
    return out.str();
  }
  out << "[";
  for (long long int i = 0; i < SIZE(in); ++i) {
    if (i > 0) out << ", ";
    out << in.at(i);
  }
  out << "]";
  return out.str();
}

//: Conditional reply.

:(scenario reply_if)
recipe main [
  1:number <- test1
]
recipe test1 [
  reply-if 0:literal, 34:literal
  reply 35:literal
]
+mem: storing 35 in location 1

:(scenario reply_if2)
recipe main [
  1:number <- test1
]
recipe test1 [
  reply-if 1:literal, 34:literal
  reply 35:literal
]
+mem: storing 34 in location 1

:(before "End Rewrite Instruction(curr)")
// rewrite `reply-if a, b, c, ...` to
//   ```
//   jump-unless a, 1:offset
//   reply b, c, ...
//   ```
if (curr.name == "reply-if") {
  assert(curr.products.empty());
  curr.operation = Recipe_number["jump-unless"];
  curr.name = "jump-unless";
  vector<reagent> results;
  copy(++curr.ingredients.begin(), curr.ingredients.end(), inserter(results, results.end()));
  curr.ingredients.resize(1);
  curr.ingredients.push_back(reagent("1:offset"));
  result.steps.push_back(curr);
  curr.clear();
  curr.operation = Recipe_number["reply"];
  curr.name = "reply";
  curr.ingredients.swap(results);
}
// rewrite `reply-unless a, b, c, ...` to
//   ```
//   jump-if a, 1:offset
//   reply b, c, ...
//   ```
if (curr.name == "reply-unless") {
  assert(curr.products.empty());
  curr.operation = Recipe_number["jump-if"];
  curr.name = "jump-if";
  vector<reagent> results;
  copy(++curr.ingredients.begin(), curr.ingredients.end(), inserter(results, results.end()));
  curr.ingredients.resize(1);
  curr.ingredients.push_back(reagent("1:offset"));
  result.steps.push_back(curr);
  curr.clear();
  curr.operation = Recipe_number["reply"];
  curr.name = "reply";
  curr.ingredients.swap(results);
}