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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /src/test/ui/proc-macro/auxiliary/three-equals.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/proc-macro/auxiliary/three-equals.rs')
-rw-r--r-- | src/test/ui/proc-macro/auxiliary/three-equals.rs | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/src/test/ui/proc-macro/auxiliary/three-equals.rs b/src/test/ui/proc-macro/auxiliary/three-equals.rs deleted file mode 100644 index e740e86e5..000000000 --- a/src/test/ui/proc-macro/auxiliary/three-equals.rs +++ /dev/null @@ -1,49 +0,0 @@ -// force-host -// no-prefer-dynamic - -#![crate_type = "proc-macro"] -#![feature(proc_macro_diagnostic, proc_macro_span, proc_macro_def_site)] - -extern crate proc_macro; - -use proc_macro::{TokenStream, TokenTree, Span, Diagnostic}; - -fn parse(input: TokenStream) -> Result<(), Diagnostic> { - let mut count = 0; - let mut last_span = Span::def_site(); - for tree in input { - let span = tree.span(); - if count >= 3 { - return Err(span.error(format!("expected EOF, found `{}`.", tree)) - .span_note(last_span, "last good input was here") - .help("input must be: `===`")) - } - - if let TokenTree::Punct(ref tt) = tree { - if tt.as_char() == '=' { - count += 1; - last_span = span; - continue - } - } - return Err(span.error(format!("expected `=`, found `{}`.", tree))); - } - - if count < 3 { - return Err(Span::def_site() - .error(format!("found {} equal signs, need exactly 3", count)) - .help("input must be: `===`")) - } - - Ok(()) -} - -#[proc_macro] -pub fn three_equals(input: TokenStream) -> TokenStream { - if let Err(diag) = parse(input) { - diag.emit(); - return TokenStream::new(); - } - - "3".parse().unwrap() -} |