1 files changed, 64 insertions, 0 deletions
diff --git a/Libraries/LibJS/Runtime/RegExpConstructor.cpp b/Libraries/LibJS/Runtime/RegExpConstructor.cpp
new file mode 100644
index 0000000000..9a2198a3f2
--- /dev/null
+++ b/Libraries/LibJS/Runtime/RegExpConstructor.cpp
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <LibJS/Interpreter.h>
+#include <LibJS/Runtime/Error.h>
+#include <LibJS/Runtime/GlobalObject.h>
+#include <LibJS/Runtime/RegExpConstructor.h>
+#include <LibJS/Runtime/RegExpObject.h>
+
+namespace JS {
+
+RegExpConstructor::RegExpConstructor()
+    : NativeFunction("RegExp", *interpreter().global_object().function_prototype())
+{
+    define_property("prototype", interpreter().global_object().regexp_prototype(), 0);
+    define_property("length", Value(2), Attribute::Configurable);
+}
+
+RegExpConstructor::~RegExpConstructor()
+{
+}
+
+Value RegExpConstructor::call(Interpreter& interpreter)
+{
+    return construct(interpreter);
+}
+
+Value RegExpConstructor::construct(Interpreter& interpreter)
+{
+    if (!interpreter.argument_count())
+        return RegExpObject::create(interpreter.global_object(), "(?:)", "");
+    auto contents = interpreter.argument(0).to_string(interpreter);
+    if (interpreter.exception())
+        return {};
+    auto flags = interpreter.argument_count() > 1 ? interpreter.argument(1).to_string(interpreter) : "";
+    if (interpreter.exception())
+        return {};
+    return RegExpObject::create(interpreter.global_object(), contents, flags);
+}
+
+}