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LibMain: Add a new library for more ergonomic userspace entry functions

By linking with LibMain, your program no longer needs to provide main().
Instead, execution begins in this function:

    ErrorOr<int> serenity_main(Main::Arguments);

This allows programs that link with LibMain to use TRY() already in
their entry function, without having to do manual ErrorOr unwrapping.

This is very experimental, but it seems like a nice idea so let's try it
out. :^)
This commit is contained in:
Andreas Kling 2021-11-22 15:44:54 +01:00
parent 317ceb0ee2
commit d3cf68a540
4 changed files with 57 additions and 0 deletions

View file

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/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Error.h>
namespace Main {
struct Arguments {
int argc {};
char** argv {};
Span<StringView> arguments;
};
}
ErrorOr<int> serenity_main(Main::Arguments);