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Contents
#![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)
}
}
Version data entries
22 entries across 19 versions & 1 rubygems