Skip to content

simplify maybe_stage_features #65358

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Oct 13, 2019
Merged

simplify maybe_stage_features #65358

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
22 changes: 8 additions & 14 deletions src/libsyntax/feature_gate/check.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -855,25 +855,19 @@ impl UnstableFeatures {
pub fn is_nightly_build(&self) -> bool {
match *self {
UnstableFeatures::Allow | UnstableFeatures::Cheat => true,
_ => false,
UnstableFeatures::Disallow => false,
}
}
}

fn maybe_stage_features(span_handler: &Handler, krate: &ast::Crate, unstable: UnstableFeatures) {
let allow_features = match unstable {
UnstableFeatures::Allow => true,
UnstableFeatures::Disallow => false,
UnstableFeatures::Cheat => true
};
if !allow_features {
for attr in &krate.attrs {
if attr.check_name(sym::feature) {
let release_channel = option_env!("CFG_RELEASE_CHANNEL").unwrap_or("(unknown)");
span_err!(span_handler, attr.span, E0554,
"`#![feature]` may not be used on the {} release channel",
release_channel);
}
if !unstable.is_nightly_build() {
for attr in krate.attrs.iter().filter(|attr| attr.check_name(sym::feature)) {
span_err!(
span_handler, attr.span, E0554,
"`#![feature]` may not be used on the {} release channel",
option_env!("CFG_RELEASE_CHANNEL").unwrap_or("(unknown)")
);
}
}
}