language-servers/rust-analyzer
1
0
Fork 0
mirror of https://github.com/rust-lang/rust-analyzer.git synced 2025-10-03 15:15:24 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

add support of feature flag for runnables #4464

Browse source 
Signed-off-by: Benjamin Coenen <5719034+bnjjj@users.noreply.github.com>
This commit is contained in:
Benjamin Coenen 2020-05-22 09:23:31 +02:00
parent a7c8aa7c60
commit 43339058e3
2 changed files with 9 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

17
crates/ra_cfg/src/cfg_expr.rs
View file

@ -35,14 +35,11 @@ impl CfgExpr {
}
/// Return minimal features needed
pub fn minimal_features_needed(&self) -> Option<Vec<SmolStr>> {
pub fn minimal_features_needed(&self) -> Vec<SmolStr> {
let mut features = vec![];
self.collect_minimal_features_needed(&mut features);
if features.is_empty() {
None
} else {
Some(features)
}
features
}
fn collect_minimal_features_needed(&self, features: &mut Vec<SmolStr>) {
@ -169,14 +166,14 @@ mod tests {
let (subtree, _) = get_token_tree_generated(r#"#![cfg(feature = "baz")]"#);
let cfg_expr = parse_cfg(&subtree);
assert_eq!(cfg_expr.minimal_features_needed().unwrap(), vec![SmolStr::new("baz")]);
assert_eq!(cfg_expr.minimal_features_needed(), vec![SmolStr::new("baz")]);
let (subtree, _) =
get_token_tree_generated(r#"#![cfg(all(feature = "baz", feature = "foo"))]"#);
let cfg_expr = parse_cfg(&subtree);
assert_eq!(
cfg_expr.minimal_features_needed().unwrap(),
cfg_expr.minimal_features_needed(),
vec![SmolStr::new("baz"), SmolStr::new("foo")]
);
@ -184,11 +181,11 @@ mod tests {
get_token_tree_generated(r#"#![cfg(any(feature = "baz", feature = "foo", unix))]"#);
let cfg_expr = parse_cfg(&subtree);
assert_eq!(cfg_expr.minimal_features_needed().unwrap(), vec![SmolStr::new("baz")]);
assert_eq!(cfg_expr.minimal_features_needed(), vec![SmolStr::new("baz")]);
let (subtree, _) = get_token_tree_generated(r#"#![cfg(foo)]"#);
let cfg_expr = parse_cfg(&subtree);
assert!(cfg_expr.minimal_features_needed().is_none());
assert!(cfg_expr.minimal_features_needed().is_empty());
}
}