luaur-code-gen 0.1.0

Native (A64/X64) code generation for Luau (Rust).
Documentation 
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use crate::records::register_x_64::RegisterX64;
use crate::records::unwind_builder::UnwindBuilder;
use crate::records::unwind_code_win::UnwindCodeWin;
use crate::records::unwind_function_win::UnwindFunctionWin;
use alloc::vec::Vec;

#[derive(Debug, Clone)]
#[repr(C)]
pub struct UnwindBuilderWin {
    pub base: UnwindBuilder,
    pub(crate) begin_offset: usize,
    pub(crate) raw_data: [u8; 1024],
    pub(crate) raw_data_pos: *mut u8,
    pub(crate) unwind_functions: Vec<UnwindFunctionWin>,
    pub(crate) unwind_codes: Vec<UnwindCodeWin>,
    pub(crate) prolog_size: u8,
    pub(crate) frame_reg: RegisterX64,
    pub(crate) frame_reg_offset: u8,
}

impl UnwindBuilderWin {
    pub(crate) const kRawDataLimit: u32 = 1024;
}

impl Default for UnwindBuilderWin {
    fn default() -> Self {
        unsafe {
            let mut builder = Self {
                base: core::mem::zeroed(),
                begin_offset: 0,
                raw_data: [0; 1024],
                raw_data_pos: core::ptr::null_mut(),
                unwind_functions: Vec::new(),
                unwind_codes: Vec::new(),
                prolog_size: 0,
                frame_reg: core::mem::zeroed(), // X64::noreg
                frame_reg_offset: 0,
            };
            builder.raw_data_pos = builder.raw_data.as_mut_ptr();
            builder
        }
    }
}