Runs a closure and catches unwinds triggered by fatal errors.
Variant of catch_fatal_errors
for the interface::Result
return type
that also computes the exit code.
Show help for flag categories shared between rustdoc and rustc.
Write to stdout lint command options, together with a list of all available lints
Process command line options. Emits messages as appropriate. If compilation
should continue, returns a getopts::Matches object parsed from args,
otherwise returns 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
the values directly rather than having to set an environment variable.
This allows tools to enable rust logging without having to magically match rustc’s
tracing crate version.
Install our usual
ctrlc
handler, which sets
rustc_const_eval::CTRL_C_RECEIVED
.
Making this handler optional lets tools can install a different handler, if they wish.
Installs a panic hook that will print the ICE message on unexpected panics.