1075

1 files changed, 0 insertions, 77 deletions

diff --git a/cpp/025call b/cpp/025call
deleted file mode 100644
index 3683db12..00000000
--- a/cpp/025call
+++ /dev/null
@@ -1,77 +0,0 @@
-//: So far the recipes we define can't run each other. Let's change that.
-:(scenario "calling_recipe")
-recipe main [
-  f
-]
-recipe f [
-  3:integer <- add 2:literal, 2:literal
-]
-+mem: storing 4 in location 3
-
-:(before "struct routine {")
-// Everytime a recipe runs another, we interrupt it and start running the new
-// recipe. When that finishes, we continue this one where we left off.
-// This requires maintaining a 'stack' of interrupted recipes or 'calls'.
-struct call {
-  recipe_number running_recipe;
-  size_t pc;
-  // End call Fields
-  call(recipe_number r) :running_recipe(r), pc(0) {}
-};
-typedef stack<call> call_stack;
-
-:(replace{} "struct routine")
-struct routine {
-  call_stack calls;
-  // End routine Fields
-  routine(recipe_number r);
-};
-:(code)
-  routine::routine(recipe_number r) {
-    calls.push(call(r));
-  }
-//: now update routine's helpers
-:(replace{} "inline size_t& running_at(routine& rr)")
-inline size_t& running_at(routine& rr) {
-  return rr.calls.top().pc;
-}
-:(replace{} "inline string recipe_name(routine& rr)")
-inline string recipe_name(routine& rr) {
-  return Recipe[rr.calls.top().running_recipe].name;
-}
-:(replace{} "inline vector<instruction>& steps(routine& rr)")
-inline vector<instruction>& steps(routine& rr) {
-  return Recipe[rr.calls.top().running_recipe].steps;
-}
-
-:(replace{} "default:" following "End Primitive Recipe Implementations")
-default: {
-  // not a primitive; try to look for a matching recipe
-  if (Recipe.find(instructions[pc].operation) == Recipe.end()) {
-    raise << "undefined operation " << instructions[pc].operation << ": " << instructions[pc].name << '\n';
-    break;
-  }
-  rr.calls.push(call(instructions[pc].operation));
-  continue;  // not done with caller; don't increment pc
-}
-
-//: finally, we need to fix the termination conditions for the run loop
-
-:(replace{} "inline bool done(routine& rr)")
-inline bool done(routine& rr) {
-  return rr.calls.empty();
-}
-
-:(before "Running one instruction")
-// when we reach the end of one call, we may reach the end of the one below
-// it, and the one below that, and so on
-while (running_at(rr) >= steps(rr).size()) {
-  rr.calls.pop();
-  if (rr.calls.empty()) return;
-  // todo: no results returned warning
-  ++running_at(rr);
-}
-
-:(before "End Includes")
-#include <stack>
-using std::stack;