/src/test/run-pass/import-crate-with-invalid-spans/auxiliary/crate_with_invalid_spans.rs
https://gitlab.com/alx741/rust · Rust · 30 lines · 6 code · 4 blank · 20 comment · 0 complexity · 543d4a732d857466cb64ed7244e7ac53 MD5 · raw file
- // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
- // file at the top-level directory of this distribution and at
- // http://rust-lang.org/COPYRIGHT.
- //
- // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
- // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
- // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
- // option. This file may not be copied, modified, or distributed
- // except according to those terms.
- #![crate_type = "rlib"]
- // no-prefer-dynamic
- // compile-flags: -g
- #[macro_use]
- mod crate_with_invalid_spans_macros;
- pub fn exported_generic<T>(x: T, y: u32) -> (T, u32) {
- // Using the add1 macro will produce an invalid span, because the `y` passed
- // to the macro will have a span from this file, but the rest of the code
- // generated from the macro will have spans from the macro-defining file.
- // The AST node for the (1 + y) expression generated by the macro will then
- // take it's `lo` span bound from the `1` literal in the macro-defining file
- // and it's `hi` bound from `y` in this file, which should be lower than the
- // `lo` and even lower than the lower bound of the FileMap it is supposedly
- // contained in because the FileMap for this file was allocated earlier than
- // the FileMap of the macro-defining file.
- return (x, add1!(y));
- }