nonymous/
lib.rs

1#![forbid(unsafe_code)]
2#![cfg_attr(ci_, deny(warnings))]
3#![cfg_attr(all(test, feature = "bench"), feature(test))]
4#![cfg_attr(not(feature = "std"), no_std)]
5// #![warn(missing_docs)]
6
7#[cfg(feature = "alloc")]
8extern crate alloc;
9
10macro_rules! error {
11    ($name:ident $(($($before:ident, )* [$source:ident: $x:expr] $(, $after:ident)*))? $(, $variant:ident)*) => {
12        impl ::core::error::Error for $name {
13            fn source(&self) -> Option<&(dyn ::core::error::Error + 'static)> {
14                match self {
15                    $($name($($before, )* $source $(, $after)*) => Some($x),)?
16                    $($name::$variant(s) => Some(s),)*
17
18                    #[allow(unreachable_patterns)]
19                    _ => None,
20                }
21            }
22        }
23    };
24}
25
26/// Declare an enum with the given `$name` as the sum of all error types in this library.
27/// This should only be used in doctests.
28// FIXME rust-lang/rust#67295
29// #[cfg(any(test, doctest))]
30#[macro_export]
31#[doc(hidden)]
32macro_rules! declare_any_error {
33    (@real ($($(#[$meta:meta])* $variant:ident $ty:ty,)+)) => {
34        #[derive(Debug)]
35        #[allow(unused)]
36        pub enum AnyError {
37            $($(#[$meta])* $variant($ty),)+
38        }
39
40        $(
41            $(#[$meta])*
42            impl From<$ty> for AnyError {
43                fn from(e: $ty) -> Self { Self::$variant(e) }
44            }
45        )+
46    };
47
48    (@real ($($done:tt)*) $(#[$meta:meta])* ($($path:tt)+)($name:ident), $($rest:tt)*) => {
49        $crate::declare_any_error!(@real ($($done)* $(#[$meta])* $name $($path)+::$name,) $($rest)*);
50    };
51
52    (@real ($($done:tt)*) $(#[$meta:meta])* ($($path:tt)+)($name:ident) as $variant:ident, $($rest:tt)*) => {
53        $crate::declare_any_error!(@real ($($done)* $(#[$meta])* $variant $($path)+::$name,) $($rest)*);
54    };
55
56    ($name:ident) => {
57        $crate::declare_any_error!(
58            @real ()
59            (::core::convert)(Infallible),
60            ($crate::view)(BoundsError),
61            ($crate::view)(MessageError),
62            ($crate::view)(QuestionError),
63            ($crate::view)(RecordError),
64            ($crate::view)(NameError),
65            ($crate::view)(LabelError),
66            ($crate::view)(ExtensionError),
67            ($crate::emit)(SinkError),
68            ($crate::emit)(GrowError),
69            ($crate::emit::extension)(ExtensionError) as EmitExtensionError,
70            ($crate::emit::message)(MessageError) as EmitMessageError,
71            ($crate::emit::name)(NameError) as EmitNameError,
72            ($crate::emit::question)(QuestionError) as EmitQuestionError,
73            ($crate::emit::record)(RecordError) as EmitRecordError,
74            ($crate::core)(OpcodeRangeError),
75            ($crate::core)(RcodeRangeError),
76            ($crate::core)(TypeFromStrError),
77            ($crate::core)(ClassFromStrError),
78            ($crate::core)(TtlFromStrError),
79            ($crate::name)(OwnedNameError),
80            ($crate::rdata::view::error)(RdataError),
81            ($crate::rdata::view::error)(SoaError),
82            ($crate::rdata::view::error)(TypedRdataError),
83            ($crate::server)(ResponseError),
84            (::core::fmt)(Error),
85        );
86    };
87}
88
89#[macro_use]
90pub mod core;
91pub mod emit;
92pub mod fmt;
93pub mod name;
94pub mod rdata;
95pub mod server;
96pub mod view;
97
98mod seen;
99
100pub const MAX_SUPPORTED_EDNS_VERSION: u8 = 0;
nonymous/lib.rs

nonymous/
lib.rs
