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#![allow(unused_macros, unused_macro_rules)]
#[path = "../debug/mod.rs"]
pub mod debug;
use std::str::FromStr;
use syn::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 tokens = crate::macros::TryIntoTokens::try_into_tokens($expr).unwrap();
let $expr: $t = syn::parse_quote!(#tokens);
let debug = crate::macros::debug::Lite(&$expr);
if !cfg!(miri) {
#[allow(clippy::needless_raw_string_hashes)] // https://github.com/mitsuhiko/insta/issues/389
{
insta::assert_debug_snapshot!(debug, @$snapshot);
}
}
};
(($($expr:tt)*) as $t:ty, @$snapshot:literal) => {{
let tokens = crate::macros::TryIntoTokens::try_into_tokens($($expr)*).unwrap();
let syntax_tree: $t = syn::parse_quote!(#tokens);
let debug = crate::macros::debug::Lite(&syntax_tree);
if !cfg!(miri) {
#[allow(clippy::needless_raw_string_hashes)]
{
insta::assert_debug_snapshot!(debug, @$snapshot);
}
}
syntax_tree
}};
(($($expr:tt)*) , @$snapshot:literal) => {{
let syntax_tree = $($expr)*;
let debug = crate::macros::debug::Lite(&syntax_tree);
if !cfg!(miri) {
#[allow(clippy::needless_raw_string_hashes)]
{
insta::assert_debug_snapshot!(debug, @$snapshot);
}
}
syntax_tree
}};
(($($expr:tt)*) $next:tt $($rest:tt)*) => {
snapshot_impl!(($($expr)* $next) $($rest)*)
};
}
pub trait TryIntoTokens {
#[allow(dead_code)]
fn try_into_tokens(self) -> Result<proc_macro2::TokenStream>;
}
impl TryIntoTokens for &str {
fn try_into_tokens(self) -> Result<proc_macro2::TokenStream> {
let tokens = proc_macro2::TokenStream::from_str(self)?;
Ok(tokens)
}
}
impl TryIntoTokens for proc_macro2::TokenStream {
fn try_into_tokens(self) -> Result<proc_macro2::TokenStream> {
Ok(self)
}
}