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Introduce anchored_path

Browse source 
They allow to represent paths like `#[path = "C:\path.rs"] mod foo;`
in a lossless cross-platform & network-transparent way.
This commit is contained in:
Aleksey Kladov 2020-12-09 19:01:15 +03:00
parent 5e3891c255
commit 6e24321e45
13 changed files with 79 additions and 65 deletions
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5
crates/hir_expand/src/builtin_macro.rs
View file

@ -4,7 +4,7 @@ use crate::{
MacroDefId, MacroDefKind, TextSize,
};
use base_db::FileId;
use base_db::{AnchoredPath, FileId};
use either::Either;
use mbe::{parse_to_token_tree, ExpandResult};
use parser::FragmentKind;
@ -324,7 +324,8 @@ fn relative_file(
allow_recursion: bool,
) -> Option<FileId> {
let call_site = call_id.as_file().original_file(db);
let res = db.resolve_path(call_site, path)?;
let path = AnchoredPath { anchor: call_site, path };
let res = db.resolve_path(path)?;
// Prevent include itself
if res == call_site && !allow_recursion {
None

6
crates/hir_expand/src/test_db.rs
View file

@ -5,7 +5,7 @@ use std::{
sync::{Arc, Mutex},
};
use base_db::{salsa, CrateId, FileId, FileLoader, FileLoaderDelegate};
use base_db::{salsa, AnchoredPath, CrateId, FileId, FileLoader, FileLoaderDelegate};
use rustc_hash::FxHashSet;
#[salsa::database(
@ -40,8 +40,8 @@ impl FileLoader for TestDB {
fn file_text(&self, file_id: FileId) -> Arc<String> {
FileLoaderDelegate(self).file_text(file_id)
}
fn resolve_path(&self, anchor: FileId, path: &str) -> Option<FileId> {
FileLoaderDelegate(self).resolve_path(anchor, path)
fn resolve_path(&self, path: AnchoredPath) -> Option<FileId> {
FileLoaderDelegate(self).resolve_path(path)
}
fn relevant_crates(&self, file_id: FileId) -> Arc<FxHashSet<CrateId>> {
FileLoaderDelegate(self).relevant_crates(file_id)