1 files changed, 123 insertions, 0 deletions
diff --git a/023boolean.cc b/023boolean.cc
new file mode 100644
index 00000000..ead678cf
--- /dev/null
+++ b/023boolean.cc
@@ -0,0 +1,123 @@
+//: Boolean primitives
+
+:(before "End Primitive Recipe Declarations")
+AND,
+:(before "End Primitive Recipe Numbers")
+Recipe_ordinal["and"] = AND;
+:(before "End Primitive Recipe Implementations")
+case AND: {
+  bool result = true;
+  for (long long int i = 0; i < SIZE(ingredients); ++i) {
+    if (!scalar(ingredients.at(i))) {
+      raise << current_recipe_name() << ": 'and' requires boolean ingredients, but got " << current_instruction().ingredients.at(i).original_string << '\n' << end();
+      goto finish_instruction;
+    }
+    result = result && ingredients.at(i).at(0);
+  }
+  products.resize(1);
+  products.at(0).push_back(result);
+  break;
+}
+
+:(scenario and)
+recipe main [
+  1:boolean <- copy 1
+  2:boolean <- copy 0
+  3:boolean <- and 1:boolean, 2:boolean
+]
++mem: storing 0 in location 3
+
+:(scenario and_2)
+recipe main [
+  1:boolean <- and 1, 1
+]
++mem: storing 1 in location 1
+
+:(scenario and_multiple)
+recipe main [
+  1:boolean <- and 1, 1, 0
+]
++mem: storing 0 in location 1
+
+:(scenario and_multiple_2)
+recipe main [
+  1:boolean <- and 1, 1, 1
+]
++mem: storing 1 in location 1
+
+:(before "End Primitive Recipe Declarations")
+OR,
+:(before "End Primitive Recipe Numbers")
+Recipe_ordinal["or"] = OR;
+:(before "End Primitive Recipe Implementations")
+case OR: {
+  bool result = false;
+  for (long long int i = 0; i < SIZE(ingredients); ++i) {
+    if (!scalar(ingredients.at(i))) {
+      raise << current_recipe_name() << ": 'or' requires boolean ingredients, but got " << current_instruction().ingredients.at(i).original_string << '\n' << end();
+      goto finish_instruction;
+    }
+    result = result || ingredients.at(i).at(0);
+  }
+  products.resize(1);
+  products.at(0).push_back(result);
+  break;
+}
+
+:(scenario or)
+recipe main [
+  1:boolean <- copy 1
+  2:boolean <- copy 0
+  3:boolean <- or 1:boolean, 2:boolean
+]
++mem: storing 1 in location 3
+
+:(scenario or_2)
+recipe main [
+  1:boolean <- or 0, 0
+]
++mem: storing 0 in location 1
+
+:(scenario or_multiple)
+recipe main [
+  1:boolean <- and 0, 0, 0
+]
++mem: storing 0 in location 1
+
+:(scenario or_multiple_2)
+recipe main [
+  1:boolean <- or 0, 0, 1
+]
++mem: storing 1 in location 1
+
+:(before "End Primitive Recipe Declarations")
+NOT,
+:(before "End Primitive Recipe Numbers")
+Recipe_ordinal["not"] = NOT;
+:(before "End Primitive Recipe Implementations")
+case NOT: {
+  products.resize(SIZE(ingredients));
+  for (long long int i = 0; i < SIZE(ingredients); ++i) {
+    if (!scalar(ingredients.at(i))) {
+      raise << current_recipe_name() << ": 'not' requires boolean ingredients, but got " << current_instruction().ingredients.at(i).original_string << '\n' << end();
+      goto finish_instruction;
+    }
+    products.at(i).push_back(!ingredients.at(i).at(0));
+  }
+  break;
+}
+
+:(scenario not)
+recipe main [
+  1:boolean <- copy 1
+  2:boolean <- not 1:boolean
+]
++mem: storing 0 in location 2
+
+:(scenario not_multiple)
+recipe main [
+  1:boolean, 2:boolean, 3:boolean <- not 1, 0, 1
+]
++mem: storing 0 in location 1
++mem: storing 1 in location 2
++mem: storing 0 in location 3