luaur-compiler 0.1.2

Luau source-to-bytecode compiler (Rust).
Documentation 
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use core::ffi::c_char;
use luaur_ast::records::ast_array::AstArray;
use luaur_bytecode::records::string_ref::StringRef;
use luaur_common::macros::luau_assert::LUAU_ASSERT;

pub fn sref_ast_array_c_char_mut(data: AstArray<c_char>) -> StringRef {
    LUAU_ASSERT!(!data.begin().is_null());

    // StringRef fields are pub(crate) in luaur_bytecode. Since this is luaur_compiler,
    // we cannot use struct literal syntax. We must use a layout-compatible struct and transmute.
    #[repr(C)]
    struct StringRefLayout {
        data: *const i8,
        length: usize,
    }

    let layout = StringRefLayout {
        data: data.begin() as *const i8,
        length: data.len(),
    };

    unsafe { core::mem::transmute::<StringRefLayout, StringRef>(layout) }
}