Closed
Description
Running rustfmt on a source that uses a double dot syntax to access a nested tuple causes a panic:
thread 'main' panicked at 'bad span: `.`: ``', src/tools/rustfmt/src/source_map.rs:52:13
stack backtrace:
0: <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt
1: core::fmt::write
2: std::io::Write::write_fmt
3: std::panicking::default_hook::{{closure}}
4: std::panicking::default_hook
5: std::panicking::rust_panic_with_hook
6: rust_begin_unwind
7: std::panicking::begin_panic_fmt
8: <rustfmt_nightly::visitor::SnippetProvider as rustfmt_nightly::source_map::SpanUtils>::span_before::{{closure}}
9: <rustfmt_nightly::visitor::SnippetProvider as rustfmt_nightly::source_map::SpanUtils>::span_before
10: rustfmt_nightly::chains::rewrite_chain
11: rustfmt_nightly::expr::format_expr
12: <rustfmt_nightly::overflow::OverflowableItem as rustfmt_nightly::rewrite::Rewrite>::rewrite
13: <rustfmt_nightly::lists::ListItems<I,F1,F2,F3> as core::iter::traits::iterator::Iterator>::next
14: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T,I>>::from_iter
15: rustfmt_nightly::overflow::Context::rewrite_items
16: rustfmt_nightly::overflow::Context::rewrite
17: rustfmt_nightly::expr::format_expr
18: rustfmt_nightly::closures::rewrite_closure_expr
19: rustfmt_nightly::closures::rewrite_closure
20: rustfmt_nightly::expr::format_expr
21: rustfmt_nightly::closures::rewrite_last_closure
22: rustfmt_nightly::overflow::Context::rewrite_items
23: rustfmt_nightly::overflow::Context::rewrite
24: rustfmt_nightly::expr::rewrite_call
25: <rustfmt_nightly::chains::ChainItem as rustfmt_nightly::rewrite::Rewrite>::rewrite
26: <rustfmt_nightly::chains::ChainFormatterBlock as rustfmt_nightly::chains::ChainFormatter>::format_children
27: <rustfmt_nightly::chains::Chain as rustfmt_nightly::rewrite::Rewrite>::rewrite
28: rustfmt_nightly::chains::rewrite_chain
29: rustfmt_nightly::expr::format_expr
30: rustfmt_nightly::stmt::format_stmt
31: rustfmt_nightly::visitor::FmtVisitor::walk_stmts
32: rustfmt_nightly::visitor::FmtVisitor::visit_block
33: rustfmt_nightly::visitor::FmtVisitor::visit_fn
34: rustfmt_nightly::visitor::FmtVisitor::visit_item
35: rustfmt_nightly::reorder::<impl rustfmt_nightly::visitor::FmtVisitor>::visit_items_with_reordering
36: rustfmt_nightly::visitor::FmtVisitor::walk_mod_items
37: rustfmt_nightly::visitor::FmtVisitor::format_separate_mod
38: rustfmt_nightly::formatting::format_project
39: scoped_tls::ScopedKey<T>::set
40: rustc_ap_rustc_ast::attr::with_session_globals
41: rustfmt_nightly::Session<T>::format
42: rustfmt::format_and_emit_report
43: rustfmt::execute
44: rustfmt::main
45: std::rt::lang_start::{{closure}}
46: std::rt::lang_start_internal
47: main
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
[Error - 8:13:42 PM] Request textDocument/formatting failed.
Message: rustfmt exited with:
Status: exit code: 101
stdout:
Code: -32900
To Reproduce
git clone https://github.com/virtualritz/polyhedron-operators.git
cargo fmt
Meta
- rustfmt version:
rustfmt 1.4.19-nightly (cef1c0d5 2020-07-21) - From where did you install rustfmt:
rustup - How do you run rustfmt:
cargo fmt