Files
pezkuwi-subxt/substrate/core/cli/src/panic_hook.rs
T
Gav Wood 1e01162505 Phase 1 of repo reorg (#719)
* Remove unneeded script

* Rename Substrate Demo -> Substrate

* Rename demo -> node

* Build wasm from last rename.

* Merge ed25519 into substrate-primitives

* Minor tweak

* Rename substrate -> core

* Move substrate-runtime-support to core/runtime/support

* Rename/move substrate-runtime-version

* Move codec up a level

* Rename substrate-codec -> parity-codec

* Move environmental up a level

* Move pwasm-* up to top, ready for removal

* Remove requirement of s-r-support from s-r-primitives

* Move core/runtime/primitives into core/runtime-primitives

* Remove s-r-support dep from s-r-version

* Remove dep of s-r-support from bft

* Remove dep of s-r-support from node/consensus

* Sever all other core deps from s-r-support

* Forgot the no_std directive

* Rename non-SRML modules to sr-* to avoid match clashes

* Move runtime/* to srml/*

* Rename substrate-runtime-* -> srml-*

* Move srml to top-level
2018-09-12 11:13:31 +02:00

70 lines
1.9 KiB
Rust

// Copyright 2017 Parity Technologies (UK) Ltd.
// This file is part of Substrate.
// Substrate is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Substrate is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
//! Custom panic hook with bug report link
use backtrace::Backtrace;
use std::io::{self, Write};
use std::panic::{self, PanicInfo};
use std::thread;
/// Set the panic hook
pub fn set() {
panic::set_hook(Box::new(panic_hook));
}
static ABOUT_PANIC: &str = "
This is a bug. Please report it at:
https://github.com/paritytech/polkadot/issues/new
";
fn panic_hook(info: &PanicInfo) {
let location = info.location();
let file = location.as_ref().map(|l| l.file()).unwrap_or("<unknown>");
let line = location.as_ref().map(|l| l.line()).unwrap_or(0);
let msg = match info.payload().downcast_ref::<&'static str>() {
Some(s) => *s,
None => match info.payload().downcast_ref::<String>() {
Some(s) => &s[..],
None => "Box<Any>",
}
};
let thread = thread::current();
let name = thread.name().unwrap_or("<unnamed>");
let backtrace = Backtrace::new();
let mut stderr = io::stderr();
let _ = writeln!(stderr, "");
let _ = writeln!(stderr, "====================");
let _ = writeln!(stderr, "");
let _ = writeln!(stderr, "{:?}", backtrace);
let _ = writeln!(stderr, "");
let _ = writeln!(
stderr,
"Thread '{}' panicked at '{}', {}:{}",
name, msg, file, line
);
let _ = writeln!(stderr, "{}", ABOUT_PANIC);
::std::process::exit(1);
}