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Parse --print KIND=PATH command line syntax

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This commit is contained in:
David Tolnay 2023-07-16 17:58:46 -07:00
parent c0dc0c6875
commit f72bdb1501
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GPG Key ID: F9BA143B95FF6D82
1 changed files with 14 additions and 8 deletions
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22
compiler/rustc_session/src/config.rs
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@ -2011,13 +2011,7 @@ fn parse_output_types(
if !unstable_opts.parse_only {
for list in matches.opt_strs("emit") {
for output_type in list.split(',') {
let (shorthand, path) = match output_type.split_once('=') {
None => (output_type, None),
Some((shorthand, "-")) => (shorthand, Some(OutFileName::Stdout)),
Some((shorthand, path)) => {
(shorthand, Some(OutFileName::Real(PathBuf::from(path))))
}
};
let (shorthand, path) = split_out_file_name(output_type);
let output_type = OutputType::from_shorthand(shorthand).unwrap_or_else(|| {
handler.early_error(format!(
"unknown emission type: `{shorthand}` - expected one of: {display}",
@ -2034,6 +2028,14 @@ fn parse_output_types(
OutputTypes(output_types)
}
fn split_out_file_name(arg: &str) -> (&str, Option<OutFileName>) {
match arg.split_once('=') {
None => (arg, None),
Some((kind, "-")) => (kind, Some(OutFileName::Stdout)),
Some((kind, path)) => (kind, Some(OutFileName::Real(PathBuf::from(path)))),
}
}
fn should_override_cgus_and_disable_thinlto(
handler: &EarlyErrorHandler,
output_types: &OutputTypes,
@ -2128,6 +2130,8 @@ fn collect_print_requests(
];
prints.extend(matches.opt_strs("print").into_iter().map(|req| {
let (req, out) = split_out_file_name(&req);
let kind = match PRINT_KINDS.iter().find(|&&(name, _)| name == req) {
Some((_, PrintKind::TargetSpec)) => {
if unstable_opts.unstable_options {
@ -2159,7 +2163,9 @@ fn collect_print_requests(
));
}
};
PrintRequest { kind, out: OutFileName::Stdout }
let out = out.unwrap_or(OutFileName::Stdout);
PrintRequest { kind, out }
}));
prints