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Rollup merge of #104645 - yukiomoto:log-backtrace-option, r=oli-obk

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Add log-backtrace option to show backtraces along with logging

according to #90698, I added a compiler option, `-Zlog-backtrace=filter`, where `filter` is a module name, to show backtraces for logging without rebuilding.

resolve #90698
This commit is contained in:
Matthias Krüger 2023-01-13 19:16:41 +01:00 • committed by GitHub
commit 96bb02f35c
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8 changed files with 83 additions and 4 deletions
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14
compiler/rustc_driver/src/lib.rs
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@ -231,6 +231,10 @@ fn run_compiler(
registry: diagnostics_registry(),
};
if !tracing::dispatcher::has_been_set() {
init_rustc_env_logger_with_backtrace_option(&config.opts.unstable_opts.log_backtrace);
}
match make_input(config.opts.error_format, &matches.free) {
Err(reported) => return Err(reported),
Ok(Some((input, input_file_path))) => {
@ -1300,7 +1304,14 @@ pub fn install_ice_hook() {
/// This allows tools to enable rust logging without having to magically match rustc's
/// tracing crate version.
pub fn init_rustc_env_logger() {
if let Err(error) = rustc_log::init_rustc_env_logger() {
init_rustc_env_logger_with_backtrace_option(&None);
}
/// This allows tools to enable rust logging without having to magically match rustc's
/// tracing crate version. In contrast to `init_rustc_env_logger` it allows you to
/// choose a target module you wish to show backtraces along with its logging.
pub fn init_rustc_env_logger_with_backtrace_option(backtrace_target: &Option<String>) {
if let Err(error) = rustc_log::init_rustc_env_logger_with_backtrace_option(backtrace_target) {
early_error(ErrorOutputType::default(), &error.to_string());
}
}
@ -1366,7 +1377,6 @@ mod signal_handler {
pub fn main() -> ! {
let start_time = Instant::now();
let start_rss = get_resident_set_size();
init_rustc_env_logger();
signal_handler::install();
let mut callbacks = TimePassesCallbacks::default();
install_ice_hook();