mirror of
https://gitee.com/openharmony/third_party_rust_syn
synced 2024-11-23 16:00:10 +00:00
189c60c649
warning: 2nd rule of macro `snapshot_impl` is never used
--> tests/macros/mod.rs:44:5
|
44 | (($($expr:tt)*) as $t:ty, @$snapshot:literal) => {{
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `#[warn(unused_macro_rules)]` on by default
warning: 1st rule of macro `snapshot_impl` is never used
--> tests/macros/mod.rs:37:5
|
37 | (($expr:ident) as $t:ty, @$snapshot:literal) => {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
warning: 3rd rule of macro `snapshot_impl` is never used
--> tests/macros/mod.rs:52:5
|
52 | (($($expr:tt)*) , @$snapshot:literal) => {{
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
warning: 2nd rule of macro `spanless_eq_enum` is never used
--> tests/common/eq.rs:225:5
|
225 | / {
226 | | $($name:ident)::+;
227 | | $([$($variant:ident)::+; $($fields:tt)*])*
228 | | $next:ident [$([$($named:tt)*])* $(![$ignore:tt])*] (!$i:tt $($field:tt)*)
229 | | $($rest:tt)*
230 | | } => {
| |_____^
|
= note: `#[warn(unused_macro_rules)]` on by default
80 lines
1.9 KiB
Rust
80 lines
1.9 KiB
Rust
#![allow(unused_macros, unused_macro_rules)]
|
|
|
|
#[path = "../debug/mod.rs"]
|
|
pub mod debug;
|
|
|
|
use syn::parse::{Parse, Result};
|
|
|
|
macro_rules! errorf {
|
|
($($tt:tt)*) => {{
|
|
use ::std::io::Write;
|
|
let stderr = ::std::io::stderr();
|
|
write!(stderr.lock(), $($tt)*).unwrap();
|
|
}};
|
|
}
|
|
|
|
macro_rules! punctuated {
|
|
($($e:expr,)+) => {{
|
|
let mut seq = ::syn::punctuated::Punctuated::new();
|
|
$(
|
|
seq.push($e);
|
|
)+
|
|
seq
|
|
}};
|
|
|
|
($($e:expr),+) => {
|
|
punctuated!($($e,)+)
|
|
};
|
|
}
|
|
|
|
macro_rules! snapshot {
|
|
($($args:tt)*) => {
|
|
snapshot_impl!(() $($args)*)
|
|
};
|
|
}
|
|
|
|
macro_rules! snapshot_impl {
|
|
(($expr:ident) as $t:ty, @$snapshot:literal) => {
|
|
let $expr = crate::macros::Tokens::parse::<$t>($expr).unwrap();
|
|
let debug = crate::macros::debug::Lite(&$expr);
|
|
if !cfg!(miri) {
|
|
insta::assert_debug_snapshot!(debug, @$snapshot);
|
|
}
|
|
};
|
|
(($($expr:tt)*) as $t:ty, @$snapshot:literal) => {{
|
|
let syntax_tree = crate::macros::Tokens::parse::<$t>($($expr)*).unwrap();
|
|
let debug = crate::macros::debug::Lite(&syntax_tree);
|
|
if !cfg!(miri) {
|
|
insta::assert_debug_snapshot!(debug, @$snapshot);
|
|
}
|
|
syntax_tree
|
|
}};
|
|
(($($expr:tt)*) , @$snapshot:literal) => {{
|
|
let syntax_tree = $($expr)*;
|
|
let debug = crate::macros::debug::Lite(&syntax_tree);
|
|
if !cfg!(miri) {
|
|
insta::assert_debug_snapshot!(debug, @$snapshot);
|
|
}
|
|
syntax_tree
|
|
}};
|
|
(($($expr:tt)*) $next:tt $($rest:tt)*) => {
|
|
snapshot_impl!(($($expr)* $next) $($rest)*)
|
|
};
|
|
}
|
|
|
|
pub trait Tokens {
|
|
fn parse<T: Parse>(self) -> Result<T>;
|
|
}
|
|
|
|
impl<'a> Tokens for &'a str {
|
|
fn parse<T: Parse>(self) -> Result<T> {
|
|
syn::parse_str(self)
|
|
}
|
|
}
|
|
|
|
impl Tokens for proc_macro2::TokenStream {
|
|
fn parse<T: Parse>(self) -> Result<T> {
|
|
syn::parse2(self)
|
|
}
|
|
}
|