1 files changed, 94 insertions, 0 deletions
diff --git a/cpp/022boolean.cc b/cpp/022boolean.cc
new file mode 100644
index 00000000..014774db
--- /dev/null
+++ b/cpp/022boolean.cc
@@ -0,0 +1,94 @@
+//: Boolean primitives
+
+:(before "End Primitive Recipe Declarations")
+AND,
+:(before "End Primitive Recipe Numbers")
+Recipe_number["and"] = AND;
+:(before "End Primitive Recipe Implementations")
+case AND: {
+  trace("run") << "ingredient 0 is " << current_instruction().ingredients[0].name;
+  vector<int> arg0 = read_memory(current_instruction().ingredients[0]);
+  assert(arg0.size() == 1);
+  trace("run") << "ingredient 1 is " << current_instruction().ingredients[1].name;
+  vector<int> arg1 = read_memory(current_instruction().ingredients[1]);
+  assert(arg1.size() == 1);
+  vector<int> result;
+  result.push_back(arg0[0] && arg1[0]);
+  trace("run") << "product 0 is " << result[0];
+  write_memory(current_instruction().products[0], result);
+  break;
+}
+
+:(scenario and)
+recipe main [
+  1:integer <- copy 1:literal
+  2:integer <- copy 0:literal
+  3:integer <- and 1:integer, 2:integer
+]
++run: instruction main/2
++run: ingredient 0 is 1
++mem: location 1 is 1
++run: ingredient 1 is 2
++mem: location 2 is 0
++run: product 0 is 0
++mem: storing 0 in location 3
+
+:(before "End Primitive Recipe Declarations")
+OR,
+:(before "End Primitive Recipe Numbers")
+Recipe_number["or"] = OR;
+:(before "End Primitive Recipe Implementations")
+case OR: {
+  trace("run") << "ingredient 0 is " << current_instruction().ingredients[0].name;
+  vector<int> arg0 = read_memory(current_instruction().ingredients[0]);
+  assert(arg0.size() == 1);
+  trace("run") << "ingredient 1 is " << current_instruction().ingredients[1].name;
+  vector<int> arg1 = read_memory(current_instruction().ingredients[1]);
+  assert(arg1.size() == 1);
+  vector<int> result;
+  result.push_back(arg0[0] || arg1[0]);
+  trace("run") << "product 0 is " << result[0];
+  write_memory(current_instruction().products[0], result);
+  break;
+}
+
+:(scenario or)
+recipe main [
+  1:integer <- copy 1:literal
+  2:integer <- copy 0:literal
+  3:integer <- or 1:integer, 2:integer
+]
++run: instruction main/2
++run: ingredient 0 is 1
++mem: location 1 is 1
++run: ingredient 1 is 2
++mem: location 2 is 0
++run: product 0 is 1
++mem: storing 1 in location 3
+
+:(before "End Primitive Recipe Declarations")
+NOT,
+:(before "End Primitive Recipe Numbers")
+Recipe_number["not"] = NOT;
+:(before "End Primitive Recipe Implementations")
+case NOT: {
+  trace("run") << "ingredient 0 is " << current_instruction().ingredients[0].name;
+  vector<int> arg0 = read_memory(current_instruction().ingredients[0]);
+  assert(arg0.size() == 1);
+  vector<int> result;
+  result.push_back(!arg0[0]);
+  trace("run") << "product 0 is " << result[0];
+  write_memory(current_instruction().products[0], result);
+  break;
+}
+
+:(scenario not)
+recipe main [
+  1:integer <- copy 1:literal
+  2:integer <- not 1:integer
+]
++run: instruction main/1
++run: ingredient 0 is 1
++mem: location 1 is 1
++run: product 0 is 0
++mem: storing 0 in location 2