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Prepare to share sysroot lowering code between Cargo & ProjectJSON

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This commit is contained in:
Aleksey Kladov 2020-08-25 17:53:24 +02:00
parent 32be2d60af
commit 7fcda5aa46
2 changed files with 73 additions and 105 deletions
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20
crates/project_model/src/sysroot.rs
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@ -34,16 +34,10 @@ impl ops::Index<SysrootCrate> for Sysroot {
}
impl Sysroot {
pub fn core(&self) -> Option<SysrootCrate> {
self.by_name("core")
}
pub fn alloc(&self) -> Option<SysrootCrate> {
self.by_name("alloc")
}
pub fn std(&self) -> Option<SysrootCrate> {
self.by_name("std")
pub fn public_deps(&self) -> impl Iterator<Item = (&'static str, SysrootCrate)> + '_ {
// core is added as a dependency before std in order to
// mimic rustcs dependency order
vec!["core", "alloc", "std"].into_iter().filter_map(move |it| Some((it, self.by_name(it)?)))
}
pub fn proc_macro(&self) -> Option<SysrootCrate> {
@ -81,7 +75,7 @@ impl Sysroot {
}
}
if let Some(std) = sysroot.std() {
if let Some(std) = sysroot.by_name("std") {
for dep in STD_DEPS.trim().lines() {
if let Some(dep) = sysroot.by_name(dep) {
sysroot.crates[std].deps.push(dep)
@ -89,8 +83,8 @@ impl Sysroot {
}
}
if let Some(alloc) = sysroot.alloc() {
if let Some(core) = sysroot.core() {
if let Some(alloc) = sysroot.by_name("alloc") {
if let Some(core) = sysroot.by_name("core") {
sysroot.crates[alloc].deps.push(core);
}
}