1 files changed, 69 insertions, 0 deletions
diff --git a/Userland/Libraries/LibJS/Runtime/ErrorConstructor.h b/Userland/Libraries/LibJS/Runtime/ErrorConstructor.h
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+++ b/Userland/Libraries/LibJS/Runtime/ErrorConstructor.h
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+/*
+ * Copyright (c) 2020, Linus Groh <mail@linusgroh.de>
+ * 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.
+ */
+
+#pragma once
+
+#include <LibJS/Runtime/Error.h>
+#include <LibJS/Runtime/NativeFunction.h>
+
+namespace JS {
+
+class ErrorConstructor final : public NativeFunction {
+    JS_OBJECT(ErrorConstructor, NativeFunction);
+
+public:
+    explicit ErrorConstructor(GlobalObject&);
+    virtual void initialize(GlobalObject&) override;
+    virtual ~ErrorConstructor() override;
+
+    virtual Value call() override;
+    virtual Value construct(Function& new_target) override;
+
+private:
+    virtual bool has_constructor() const override { return true; }
+};
+
+#define DECLARE_ERROR_SUBCLASS_CONSTRUCTOR(ClassName, snake_name, PrototypeName, ConstructorName) \
+    class ConstructorName final : public NativeFunction {                                         \
+        JS_OBJECT(ConstructorName, NativeFunction);                                               \
+                                                                                                  \
+    public:                                                                                       \
+        explicit ConstructorName(GlobalObject&);                                                  \
+        virtual void initialize(GlobalObject&) override;                                          \
+        virtual ~ConstructorName() override;                                                      \
+        virtual Value call() override;                                                            \
+        virtual Value construct(Function& new_target) override;                                   \
+                                                                                                  \
+    private:                                                                                      \
+        virtual bool has_constructor() const override { return true; }                            \
+    };
+
+#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
+    DECLARE_ERROR_SUBCLASS_CONSTRUCTOR(ClassName, snake_name, PrototypeName, ConstructorName)
+JS_ENUMERATE_ERROR_SUBCLASSES
+#undef __JS_ENUMERATE
+
+}