Merge commit '6e92d2345e8231a44556ce7d416451f5f3e6c398' as 'engine262'

2026-08-18 21:31:46 +00:00 · 2026-03-27 10:07:29 +05:30
parent 8f26db5a1f 6e92d2345e
commit b42a69d9f8
433 changed files with 90478 additions and 0 deletions
@@ -0,0 +1,19 @@
+import { Evaluate, type ValueEvaluator } from '../evaluator.mts';
+import { Q } from '../completion.mts';
+import type { ParseNode } from '../parser/ParseNode.mts';
+import { ApplyStringOrNumericBinaryOperator, type BinaryOperator } from './all.mts';
+import { GetValue } from '#self';
+
+/** https://tc39.es/ecma262/#sec-evaluatestringornumericbinaryexpression */
+export function* EvaluateStringOrNumericBinaryExpression(leftOperand: ParseNode.Expression, opText: BinaryOperator, rightOperand: ParseNode.Expression): ValueEvaluator {
+  // 1. Let lref be the result of evaluating leftOperand.
+  const lref = Q(yield* Evaluate(leftOperand));
+  // 2. Let lval be ? GetValue(lref).
+  const lval = Q(yield* GetValue(lref));
+  // 3. Let rref be the result of evaluating rightOperand.
+  const rref = Q(yield* Evaluate(rightOperand));
+  // 4. Let rval be ? GetValue(rref).
+  const rval = Q(yield* GetValue(rref));
+  // 5. Return ? ApplyStringOrNumericBinaryOperator(lval, opText, rval).
+  return Q(yield* ApplyStringOrNumericBinaryOperator(lval, opText, rval));
+}