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Add diagnostic for _ expressions (typed holes)

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This commit is contained in:
Lukas Wirth 2023-05-28 13:30:34 +02:00
parent 150082b0e3
commit 8bc826dd53
9 changed files with 368 additions and 61 deletions
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7
crates/base-db/src/fixture.rs
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@ -21,6 +21,7 @@ use crate::{
pub const WORKSPACE: SourceRootId = SourceRootId(0);
pub trait WithFixture: Default + SourceDatabaseExt + 'static {
#[track_caller]
fn with_single_file(ra_fixture: &str) -> (Self, FileId) {
let fixture = ChangeFixture::parse(ra_fixture);
let mut db = Self::default();
@ -29,6 +30,7 @@ pub trait WithFixture: Default + SourceDatabaseExt + 'static {
(db, fixture.files[0])
}
#[track_caller]
fn with_many_files(ra_fixture: &str) -> (Self, Vec<FileId>) {
let fixture = ChangeFixture::parse(ra_fixture);
let mut db = Self::default();
@ -37,6 +39,7 @@ pub trait WithFixture: Default + SourceDatabaseExt + 'static {
(db, fixture.files)
}
#[track_caller]
fn with_files(ra_fixture: &str) -> Self {
let fixture = ChangeFixture::parse(ra_fixture);
let mut db = Self::default();
@ -45,6 +48,7 @@ pub trait WithFixture: Default + SourceDatabaseExt + 'static {
db
}
#[track_caller]
fn with_files_extra_proc_macros(
ra_fixture: &str,
proc_macros: Vec<(String, ProcMacro)>,
@ -56,18 +60,21 @@ pub trait WithFixture: Default + SourceDatabaseExt + 'static {
db
}
#[track_caller]
fn with_position(ra_fixture: &str) -> (Self, FilePosition) {
let (db, file_id, range_or_offset) = Self::with_range_or_offset(ra_fixture);
let offset = range_or_offset.expect_offset();
(db, FilePosition { file_id, offset })
}
#[track_caller]
fn with_range(ra_fixture: &str) -> (Self, FileRange) {
let (db, file_id, range_or_offset) = Self::with_range_or_offset(ra_fixture);
let range = range_or_offset.expect_range();
(db, FileRange { file_id, range })
}
#[track_caller]
fn with_range_or_offset(ra_fixture: &str) -> (Self, FileId, RangeOrOffset) {
let fixture = ChangeFixture::parse(ra_fixture);
let mut db = Self::default();