Add boolean operators

[fur] / templates / program.c

diff --git a/templates/program.c b/templates/program.c
index c9c7394..1d283be 100644 (file)
--- a/templates/program.c
+++ b/templates/program.c
@@ -264,6 +264,78 @@ Object builtin$modularDivide(Object left, Object right)
   return result;
 }
 
+Object builtin$equals(Object left, Object right)
+{
+  assert(left.type == INTEGER);
+  assert(right.type == INTEGER);
+
+  Object result = { BOOLEAN, left.instance.integer == right.instance.integer };
+  return result;
+}
+
+Object builtin$notEquals(Object left, Object right)
+{
+  assert(left.type == INTEGER);
+  assert(right.type == INTEGER);
+
+  Object result = { BOOLEAN, left.instance.integer != right.instance.integer };
+  return result;
+}
+
+Object builtin$greaterThan(Object left, Object right)
+{
+  assert(left.type == INTEGER);
+  assert(right.type == INTEGER);
+
+  Object result = { BOOLEAN, left.instance.integer > right.instance.integer };
+  return result;
+}
+
+Object builtin$lessThan(Object left, Object right)
+{
+  assert(left.type == INTEGER);
+  assert(right.type == INTEGER);
+
+  Object result = { BOOLEAN, left.instance.integer < right.instance.integer };
+  return result;
+}
+
+Object builtin$greaterThanOrEqual(Object left, Object right)
+{
+  assert(left.type == INTEGER);
+  assert(right.type == INTEGER);
+
+  Object result = { BOOLEAN, left.instance.integer >= right.instance.integer };
+  return result;
+}
+
+Object builtin$lessThanOrEqual(Object left, Object right)
+{
+  assert(left.type == INTEGER);
+  assert(right.type == INTEGER);
+
+  Object result = { BOOLEAN, left.instance.integer <= right.instance.integer };
+  return result;
+}
+
+Object builtin$and(Object left, Object right)
+{
+  assert(left.type == BOOLEAN);
+  assert(right.type == BOOLEAN);
+
+  Object result = { BOOLEAN, left.instance.boolean && right.instance.boolean };
+  return result;
+}
+
+Object builtin$or(Object left, Object right)
+{
+  assert(left.type == BOOLEAN);
+  assert(right.type == BOOLEAN);
+
+  Object result = { BOOLEAN, left.instance.boolean || right.instance.boolean };
+  return result;
+}
+
 {% if 'pow' in builtins %}
 Object builtin$pow(Object base, Object exponent)
 {