Merge commit '6e92d2345e8231a44556ce7d416451f5f3e6c398' as 'engine262'

2026-08-19 00:31:06 +00:00 · 2026-03-27 10:07:29 +05:30
parent 8f26db5a1f 6e92d2345e
commit b42a69d9f8
433 changed files with 90478 additions and 0 deletions
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+import { Value } from '../value.mts';
+import { Evaluate, type ValueEvaluator } from '../evaluator.mts';
+import { Q, X } from '../completion.mts';
+import type { ParseNode } from '../parser/ParseNode.mts';
+import { GetValue, ToBoolean } from '#self';
+
+/** https://tc39.es/ecma262/#sec-binary-logical-operators-runtime-semantics-evaluation */
+//   LogicalORExpression :
+//     LogicalORExpression `||` LogicalANDExpression
+export function* Evaluate_LogicalORExpression({ LogicalORExpression, LogicalANDExpression }: ParseNode.LogicalORExpression): ValueEvaluator {
+  // 1. Let lref be the result of evaluating LogicalORExpression.
+  const lref = Q(yield* Evaluate(LogicalORExpression));
+  // 2. Let lval be ? GetValue(lref).
+  const lval = Q(yield* GetValue(lref));
+  // 3. Let lbool be ! ToBoolean(lval).
+  const lbool = X(ToBoolean(lval));
+  // 4. If lbool is false, return lval.
+  if (lbool === Value.true) {
+    return lval;
+  }
+  // 5. Let rref be the result of evaluating LogicalANDExpression.
+  const rref = Q(yield* Evaluate(LogicalANDExpression));
+  // 6. Return ? GetValue(rref).
+  return Q(yield* GetValue(rref));
+}