ladybird/Libraries/LibJS/Runtime/ErrorConstructor.h

/*
 * Copyright (c) 2020-2022, Linus Groh <linusg@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include <LibJS/Runtime/Error.h>
#include <LibJS/Runtime/NativeFunction.h>

namespace JS {

class ErrorConstructor final : public NativeFunction {
    JS_OBJECT(ErrorConstructor, NativeFunction);
    GC_DECLARE_ALLOCATOR(ErrorConstructor);

public:
    virtual void initialize(Realm&) override;
    virtual ~ErrorConstructor() override = default;

    virtual ThrowCompletionOr<Value> call() override;
    virtual ThrowCompletionOr<GC::Ref<Object>> construct(FunctionObject& new_target) override;

private:
    explicit ErrorConstructor(Realm&);

    virtual bool has_constructor() const override { return true; }

    JS_DECLARE_NATIVE_FUNCTION(is_error);
};

#define DECLARE_NATIVE_ERROR_CONSTRUCTOR(ClassName, snake_name, PrototypeName, ConstructorName)    \
    class ConstructorName final : public NativeFunction {                                          \
        JS_OBJECT(ConstructorName, NativeFunction);                                                \
        GC_DECLARE_ALLOCATOR(ConstructorName);                                                     \
                                                                                                   \
    public:                                                                                        \
        virtual void initialize(Realm&) override;                                                  \
        virtual ~ConstructorName() override;                                                       \
        virtual ThrowCompletionOr<Value> call() override;                                          \
        virtual ThrowCompletionOr<GC::Ref<Object>> construct(FunctionObject& new_target) override; \
                                                                                                   \
    private:                                                                                       \
        explicit ConstructorName(Realm&);                                                          \
                                                                                                   \
        virtual bool has_constructor() const override                                              \
        {                                                                                          \
            return true;                                                                           \
        }                                                                                          \
    };

#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
    DECLARE_NATIVE_ERROR_CONSTRUCTOR(ClassName, snake_name, PrototypeName, ConstructorName)
JS_ENUMERATE_NATIVE_ERRORS
#undef __JS_ENUMERATE

}