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internal: introduce minicore -- a subset of libcore for testing

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This commit is contained in:
Aleksey Kladov 2021-06-15 21:02:40 +03:00
parent 3f5eead9e3
commit f521e41853
6 changed files with 271 additions and 42 deletions
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31
crates/base_db/src/fixture.rs
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@ -9,8 +9,8 @@ use test_utils::{
use vfs::{file_set::FileSet, VfsPath};
use crate::{
input::CrateName, Change, CrateGraph, CrateId, Edition, Env, FileId, FilePosition, FileRange,
SourceDatabaseExt, SourceRoot, SourceRootId,
input::CrateName, Change, CrateDisplayName, CrateGraph, CrateId, Edition, Env, FileId,
FilePosition, FileRange, SourceDatabaseExt, SourceRoot, SourceRootId,
};
pub const WORKSPACE: SourceRootId = SourceRootId(0);
@ -81,7 +81,7 @@ pub struct ChangeFixture {
impl ChangeFixture {
pub fn parse(ra_fixture: &str) -> ChangeFixture {
let fixture = Fixture::parse(ra_fixture);
let (mini_core, fixture) = Fixture::parse(ra_fixture);
let mut change = Change::new();
let mut files = Vec::new();
@ -166,6 +166,31 @@ impl ChangeFixture {
}
}
if let Some(mini_core) = mini_core {
let core_file = file_id;
file_id.0 += 1;
let mut fs = FileSet::default();
fs.insert(core_file, VfsPath::new_virtual_path("/sysroot/core/lib.rs".to_string()));
roots.push(SourceRoot::new_library(fs));
change.change_file(core_file, Some(Arc::new(mini_core.source_code())));
let all_crates = crate_graph.crates_in_topological_order();
let core_crate = crate_graph.add_crate_root(
core_file,
Edition::Edition2021,
Some(CrateDisplayName::from_canonical_name("core".to_string())),
CfgOptions::default(),
Env::default(),
Vec::new(),
);
for krate in all_crates {
crate_graph.add_dep(krate, CrateName::new("core").unwrap(), core_crate).unwrap();
}
}
roots.push(SourceRoot::new_local(mem::take(&mut file_set)));
change.set_roots(roots);
change.set_crate_graph(crate_graph);