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reuse fetching target data layout from rustc function

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This commit is contained in:
hkalbasi 2023-02-06 23:48:20 +03:30
parent 443bc7f193
commit 40cf8b45ac
5 changed files with 12 additions and 20 deletions
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1
Cargo.lock generated
View file

@ -583,6 +583,7 @@ dependencies = [
"limit",
"once_cell",
"profile",
"project-model",
"rustc-hash",
"scoped-tls",
"smallvec",

1
crates/hir-ty/Cargo.toml
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@ -48,6 +48,7 @@ tracing-subscriber = { version = "0.3.16", default-features = false, features =
"registry",
] }
tracing-tree = "0.2.1"
project-model = { path = "../project-model" }
# local deps
test-utils.workspace = true

26
crates/hir-ty/src/layout/tests.rs
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@ -1,3 +1,5 @@
use std::collections::HashMap;
use base_db::fixture::WithFixture;
use chalk_ir::{AdtId, TyKind};
use hir_def::{
@ -9,16 +11,12 @@ use crate::{db::HirDatabase, test_db::TestDB, Interner, Substitution};
use super::layout_of_ty;
fn eval_goal(ra_fixture: &str, minicore: &str) -> Result<Layout, LayoutError> {
// using unstable cargo features failed, fall back to using plain rustc
let mut cmd = std::process::Command::new("rustc");
cmd.args(["-Z", "unstable-options", "--print", "target-spec-json"]).env("RUSTC_BOOTSTRAP", "1");
let output = cmd.output().unwrap();
assert!(output.status.success(), "{}", output.status);
let stdout = String::from_utf8(output.stdout).unwrap();
let target_data_layout =
stdout.split_once(r#""data-layout": ""#).unwrap().1.split_once('"').unwrap().0.to_owned();
fn current_machine_data_layout() -> String {
project_model::target_data_layout::get(None, None, &HashMap::default()).unwrap()
}
fn eval_goal(ra_fixture: &str, minicore: &str) -> Result<Layout, LayoutError> {
let target_data_layout = current_machine_data_layout();
let ra_fixture = format!(
"{minicore}//- /main.rs crate:test target_data_layout:{target_data_layout}\n{ra_fixture}",
);
@ -47,15 +45,7 @@ fn eval_goal(ra_fixture: &str, minicore: &str) -> Result<Layout, LayoutError> {
/// A version of `eval_goal` for types that can not be expressed in ADTs, like closures and `impl Trait`
fn eval_expr(ra_fixture: &str, minicore: &str) -> Result<Layout, LayoutError> {
// using unstable cargo features failed, fall back to using plain rustc
let mut cmd = std::process::Command::new("rustc");
cmd.args(["-Z", "unstable-options", "--print", "target-spec-json"]).env("RUSTC_BOOTSTRAP", "1");
let output = cmd.output().unwrap();
assert!(output.status.success(), "{}", output.status);
let stdout = String::from_utf8(output.stdout).unwrap();
let target_data_layout =
stdout.split_once(r#""data-layout": ""#).unwrap().1.split_once('"').unwrap().0.to_owned();
let target_data_layout = current_machine_data_layout();
let ra_fixture = format!(
"{minicore}//- /main.rs crate:test target_data_layout:{target_data_layout}\nfn main(){{let goal = {{{ra_fixture}}};}}",
);

2
crates/project-model/src/lib.rs
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@ -25,7 +25,7 @@ mod sysroot;
mod workspace;
mod rustc_cfg;
mod build_scripts;
mod target_data_layout;
pub mod target_data_layout;
#[cfg(test)]
mod tests;

2
crates/project-model/src/target_data_layout.rs
View file

@ -6,7 +6,7 @@ use rustc_hash::FxHashMap;
use crate::{utf8_stdout, ManifestPath};
pub(super) fn get(
pub fn get(
cargo_toml: Option<&ManifestPath>,
target: Option<&str>,
extra_env: &FxHashMap<String, String>,