From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../ui/proc-macro/auxiliary/assert-span-pos.rs | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 src/test/ui/proc-macro/auxiliary/assert-span-pos.rs (limited to 'src/test/ui/proc-macro/auxiliary/assert-span-pos.rs') diff --git a/src/test/ui/proc-macro/auxiliary/assert-span-pos.rs b/src/test/ui/proc-macro/auxiliary/assert-span-pos.rs new file mode 100644 index 000000000..455c5c7c3 --- /dev/null +++ b/src/test/ui/proc-macro/auxiliary/assert-span-pos.rs @@ -0,0 +1,37 @@ +// force-host +// no-prefer-dynamic + +#![feature(proc_macro_diagnostic, proc_macro_span)] +#![crate_type = "proc-macro"] + +extern crate proc_macro; + +use proc_macro::{TokenStream, TokenTree, Span}; + +fn lit_span(tt: TokenTree) -> (Span, String) { + match tt { + TokenTree::Literal(..) | + TokenTree::Group(..) => (tt.span(), tt.to_string().trim().into()), + _ => panic!("expected a literal in token tree, got: {:?}", tt) + } +} + +#[proc_macro] +pub fn assert_span_pos(input: TokenStream) -> TokenStream { + let mut tokens = input.into_iter(); + let (sp1, str1) = lit_span(tokens.next().expect("first argument")); + let _ = tokens.next(); + let (_sp2, str2) = lit_span(tokens.next().expect("second argument")); + + let line: usize = str1.parse().unwrap(); + let col: usize = str2.parse().unwrap(); + + let sp1s = sp1.start(); + if (line, col) != (sp1s.line, sp1s.column) { + let msg = format!("line/column mismatch: ({}, {}) != ({}, {})", line, col, + sp1s.line, sp1s.column); + sp1.error(msg).emit(); + } + + "".parse().unwrap() +} -- cgit v1.2.3