trixy/src/lib.rs

/*
* Copyright (C) 2023  The Trinitrix Project <soispha@vhack.eu, antifallobst@systemausfall.org>
*
* This file is part of the Trixy crate for Trinitrix.
*
* Trixy is free software: you can redistribute it and/or modify
* it under the terms of the Lesser GNU General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* and the Lesser GNU General Public License along with this program.
* If not, see <https://www.gnu.org/licenses/>.
*/

//! Trixy contains the types used by the [trixy-macros] crate to provide ffi safe types
use std::{ffi::c_char, ops::Deref};

use proc_macro2::TokenStream;
use quote::quote;

pub mod error;
pub mod traits;

// NOTE(@soispha): All types specified here *MUST* be include in the BASE_TYPES constant, otherwise
// they are not usable from Trixy code <2023-12-25>

#[repr(C)]
pub struct String(*const c_char);

/// These are the "primitive" types used in Trixy, you can use any of them to create new structures
pub const BASE_TYPES: [&'static str; 2] = ["String", "u8"];

pub fn to_c_name<T: Deref<Target = str>>(rust_type: T) -> TokenStream {
    match &*rust_type {
        "String" => quote!(const char*),
        other => panic! {"'{}' is not a vaild type name!", other},
    }
}