2017-12-02 17:04:33 -05:00
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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 [c_char] as *const c_char
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);
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}
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// A panic that clears the given lua stack before panicking
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macro_rules! lua_panic {
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($state:expr) => {
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{
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$crate::ffi::lua_settor($state, 0);
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panic!("rlua internal error");
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}
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};
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($state:expr, $msg:expr) => {
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{
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$crate::ffi::lua_settop($state, 0);
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2017-12-04 02:46:57 -05:00
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panic!(concat!("rlua internal error: ", $msg));
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2017-12-02 17:04:33 -05:00
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}
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};
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($state:expr, $fmt:expr, $($arg:tt)+) => {
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{
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$crate::ffi::lua_settop($state, 0);
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2017-12-04 02:46:57 -05:00
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panic!(concat!("rlua internal error: ", $fmt), $($arg)+);
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2017-12-02 17:04:33 -05:00
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}
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};
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}
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// An assert that clears the given lua stack before panicking
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macro_rules! lua_assert {
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($state:expr, $cond:expr) => {
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if !$cond {
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$crate::ffi::lua_settop($state, 0);
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panic!("rlua internal error");
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}
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};
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($state:expr, $cond:expr, $msg:expr) => {
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if !$cond {
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$crate::ffi::lua_settop($state, 0);
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2017-12-04 02:46:57 -05:00
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panic!(concat!("rlua internal error: ", $msg));
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2017-12-02 17:04:33 -05:00
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}
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};
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($state:expr, $cond:expr, $fmt:expr, $($arg:tt)+) => {
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if !$cond {
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$crate::ffi::lua_settop($state, 0);
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2017-12-04 02:46:57 -05:00
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panic!(concat!("rlua internal error: ", $fmt), $($arg)+);
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2017-12-02 17:04:33 -05:00
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}
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};
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}
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