...

compiler/Compiler/Generator.cs

@@ -71,6 +71,9 @@ public sealed class Generator(List<NodeDefinition> nodes)
             case NodeStatementAssignment statement:
                 EmitStatementAssignment(statement);
                 break;
+            case NodeStatementIf statement:
+                EmitStatementIf(statement);
+                break;
             default:
                 throw new ArgumentOutOfRangeException(nameof(node), node, null);
         }
@@ -114,6 +117,36 @@ public sealed class Generator(List<NodeDefinition> nodes)
         writer.WriteLine($"{target} = {value};");
     }
 
+    private void EmitStatementIf(NodeStatementIf statement)
+    {
+        var condition = EmitExpression(statement.Condition);
+        writer.WriteLine($"if ({condition})");
+        writer.WriteLine("{");
+        using (writer.Indent())
+        {
+            EmitStatement(statement.ThenBlock);
+        }
+
+        writer.WriteLine("}");
+
+        if (statement.ElseBlock != null)
+        {
+            writer.Write("else");
+            if (statement.ElseBlock is NodeStatementIf)
+                writer.Write(" ");
+            else
+                writer.WriteLine();
+
+            writer.WriteLine("{");
+            using (writer.Indent())
+            {
+                EmitStatement(statement.ElseBlock);
+            }
+
+            writer.WriteLine("}");
+        }
+    }
+
     private string EmitExpression(NodeExpression node)
     {
         return node switch