3192

1 files changed, 28 insertions, 0 deletions

diff --git a/073wait.cc b/073wait.cc
index 584e88e3..147d442a 100644
--- a/073wait.cc
+++ b/073wait.cc
@@ -327,3 +327,31 @@ int some_other_running_routine() {
   }
   return 0;
 }
+
+:(before "End Primitive Recipe Declarations")
+RESTART,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "restart", RESTART);
+:(before "End Primitive Recipe Checks")
+case RESTART: {
+  if (SIZE(inst.ingredients) != 1) {
+    raise << maybe(get(Recipe, r).name) << "'restart' requires exactly one ingredient, but got '" << inst.original_string << "'\n" << end();
+    break;
+  }
+  if (!is_mu_number(inst.ingredients.at(0))) {
+    raise << maybe(get(Recipe, r).name) << "first ingredient of 'restart' should be a routine id generated by 'start-running', but got '" << inst.ingredients.at(0).original_string << "'\n" << end();
+    break;
+  }
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case RESTART: {
+  int id = ingredients.at(0).at(0);
+  for (int i = 0; i < SIZE(Routines); ++i) {
+    if (Routines.at(i)->id == id) {
+      Routines.at(i)->state = RUNNING;
+      break;
+    }
+  }
+  break;
+}