1 files changed, 24 insertions, 0 deletions
diff --git a/llparse-builder/src/node/error.ts b/llparse-builder/src/node/error.ts
new file mode 100644
index 0000000..393f566
--- /dev/null
+++ b/llparse-builder/src/node/error.ts
@@ -0,0 +1,24 @@
+import * as assert from 'assert';
+import { Node } from './base';
+
+/**
+ * This node terminates the execution with an error
+ */
+class NodeError extends Node {
+  /**
+   * @param code    Error code to return to user
+   * @param reason  Error description to store in parser's state
+   */
+  constructor(public readonly code: number, public readonly reason: string) {
+    super('error');
+    assert.strictEqual(code, code | 0, 'code must be integer');
+  }
+
+  /** `.otherwise()` is not supported on this type of node */
+  public otherwise(node: Node): this { throw new Error('Not supported'); }
+
+  /** `.skipTo()` is not supported on this type of node */
+  public skipTo(node: Node): this { throw new Error('Not supported'); }
+}
+
+export { NodeError as Error };