112 lines
2.4 KiB
Rust
112 lines
2.4 KiB
Rust
macro_rules! bug_msg {
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($arg:expr) => {
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concat!(
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"mlua internal error: ",
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$arg,
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" (this is a bug, please file an issue)"
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)
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};
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}
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macro_rules! cstr {
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($s:expr) => {
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concat!($s, "\0") as *const str as *const [::std::os::raw::c_char]
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as *const ::std::os::raw::c_char
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};
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}
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macro_rules! mlua_panic {
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($msg:expr) => {
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panic!(bug_msg!($msg))
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};
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($msg:expr,) => {
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mlua_panic!($msg)
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};
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($msg:expr, $($arg:expr),+) => {
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panic!(bug_msg!($msg), $($arg),+)
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};
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($msg:expr, $($arg:expr),+,) => {
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mlua_panic!($msg, $($arg),+)
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};
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}
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macro_rules! mlua_assert {
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($cond:expr, $msg:expr) => {
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assert!($cond, bug_msg!($msg));
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};
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($cond:expr, $msg:expr,) => {
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mlua_assert!($cond, $msg);
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};
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($cond:expr, $msg:expr, $($arg:expr),+) => {
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assert!($cond, bug_msg!($msg), $($arg),+);
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};
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($cond:expr, $msg:expr, $($arg:expr),+,) => {
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mlua_assert!($cond, $msg, $($arg),+);
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};
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}
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macro_rules! mlua_debug_assert {
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($cond:expr, $msg:expr) => {
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debug_assert!($cond, bug_msg!($msg));
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};
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($cond:expr, $msg:expr,) => {
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mlua_debug_assert!($cond, $msg);
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};
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($cond:expr, $msg:expr, $($arg:expr),+) => {
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debug_assert!($cond, bug_msg!($msg), $($arg),+);
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};
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($cond:expr, $msg:expr, $($arg:expr),+,) => {
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mlua_debug_assert!($cond, $msg, $($arg),+);
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};
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}
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macro_rules! mlua_expect {
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($res:expr, $msg:expr) => {
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$res.expect(bug_msg!($msg))
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};
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($res:expr, $msg:expr,) => {
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mlua_expect!($res, $msg)
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};
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}
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#[cfg(feature = "module")]
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#[doc(hidden)]
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#[macro_export]
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macro_rules! require_module_feature {
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() => {};
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}
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#[cfg(not(feature = "module"))]
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#[doc(hidden)]
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#[macro_export]
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macro_rules! require_module_feature {
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() => {
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compile_error!("Feature `module` must be enabled in the `mlua` crate");
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};
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}
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macro_rules! protect_lua {
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($state:expr, $nargs:expr, $nresults:expr, $f:expr) => {
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crate::util::protect_lua_closure($state, $nargs, $nresults, $f)
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};
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($state:expr, $nargs:expr, $nresults:expr, fn($state_inner:ident) $code:expr) => {{
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unsafe extern "C" fn do_call($state_inner: *mut ffi::lua_State) -> ::std::os::raw::c_int {
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$code;
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$nresults
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}
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crate::util::protect_lua_call($state, $nargs, do_call)
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}};
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}
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