[regexp] Expose RegExp::NewWithBacktrackLimit through the API

Bug: v8:9695
Change-Id: I401a18c84a9ec1af7e14f44004a0788cbfd4a34b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1864657Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64501}

include/v8.h

@@ -5739,6 +5739,15 @@ class V8_EXPORT RegExp : public Object {
                                                       Local<String> pattern,
                                                       Flags flags);
 
+  /**
+   * Like New, but additionally specifies a backtrack limit. If the number of
+   * backtracks done in one Exec call hits the limit, a match failure is
+   * immediately returned.
+   */
+  static V8_WARN_UNUSED_RESULT MaybeLocal<RegExp> NewWithBacktrackLimit(
+      Local<Context> context, Local<String> pattern, Flags flags,
+      uint32_t backtrack_limit);
+
   /**
    * Returns the value of the source property: a string representing
    * the regular expression.

src/api/api.cc

@@ -6617,6 +6617,21 @@ MaybeLocal<v8::RegExp> v8::RegExp::New(Local<Context> context,
   RETURN_ESCAPED(result);
 }
 
+MaybeLocal<v8::RegExp> v8::RegExp::NewWithBacktrackLimit(
+    Local<Context> context, Local<String> pattern, Flags flags,
+    uint32_t backtrack_limit) {
+  CHECK(i::Smi::IsValid(backtrack_limit));
+  CHECK_NE(backtrack_limit, i::JSRegExp::kNoBacktrackLimit);
+  PREPARE_FOR_EXECUTION(context, RegExp, New, RegExp);
+  Local<v8::RegExp> result;
+  has_pending_exception = !ToLocal<RegExp>(
+      i::JSRegExp::New(isolate, Utils::OpenHandle(*pattern),
+                       static_cast<i::JSRegExp::Flags>(flags), backtrack_limit),
+      &result);
+  RETURN_ON_FAILED_EXECUTION(RegExp);
+  RETURN_ESCAPED(result);
+}
+
 Local<v8::String> v8::RegExp::GetSource() const {
   i::Handle<i::JSRegExp> obj = Utils::OpenHandle(this);
   return Utils::ToLocal(