Merge commit '6e92d2345e8231a44556ce7d416451f5f3e6c398' as 'engine262'

engine262/src/runtime-semantics/ThrowStatement.mts

@@ -0,0 +1,22 @@
+import {
+  Evaluate,
+} from '../evaluator.mts';
+import {
+  Q,
+  ThrowCompletion,
+} from '../completion.mts';
+import type { ParseNode } from '../parser/ParseNode.mts';
+import {
+  GetValue,
+} from '#self';
+
+/** https://tc39.es/ecma262/#sec-throw-statement-runtime-semantics-evaluation */
+// ThrowStatement : `throw` Expression `;`
+export function* Evaluate_ThrowStatement({ Expression }: ParseNode.ThrowStatement) {
+  // 1. Let exprRef be the result of evaluating Expression.
+  const exprRef = Q(yield* Evaluate(Expression));
+  // 2. Let exprValue be ? GetValue(exprRef).
+  const exprValue = Q(yield* GetValue(exprRef));
+  // 3. Return ThrowCompletion(exprValue).
+  return ThrowCompletion(exprValue);
+}