Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/project-model/src/target_data_layout.rs')
| -rw-r--r-- | crates/project-model/src/target_data_layout.rs | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/crates/project-model/src/target_data_layout.rs b/crates/project-model/src/target_data_layout.rs deleted file mode 100644 index 8a8a2d3255..0000000000 --- a/crates/project-model/src/target_data_layout.rs +++ /dev/null @@ -1,67 +0,0 @@ -//! Runs `rustc --print target-spec-json` to get the target_data_layout. - -use rustc_hash::FxHashMap; -use toolchain::Tool; - -use crate::{utf8_stdout, ManifestPath, Sysroot}; - -/// Determines how `rustc --print target-spec-json` is discovered and invoked. -pub enum RustcDataLayoutConfig<'a> { - /// Use `rustc --print target-spec-json`, either from with the binary from the sysroot or by discovering via - /// [`toolchain::rustc`]. - Rustc(&'a Sysroot), - /// Use `cargo --print target-spec-json`, either from with the binary from the sysroot or by discovering via - /// [`toolchain::cargo`]. - Cargo(&'a Sysroot, &'a ManifestPath), -} - -pub fn get( - config: RustcDataLayoutConfig<'_>, - target: Option<&str>, - extra_env: &FxHashMap<String, String>, -) -> anyhow::Result<String> { - let process = |output: String| { - (|| Some(output.split_once(r#""data-layout": ""#)?.1.split_once('"')?.0.to_owned()))() - .ok_or_else(|| { - anyhow::format_err!("could not fetch target-spec-json from command output") - }) - }; - let sysroot = match config { - RustcDataLayoutConfig::Cargo(sysroot, cargo_toml) => { - let mut cmd = sysroot.tool(Tool::Cargo); - cmd.envs(extra_env); - cmd.current_dir(cargo_toml.parent()) - .args([ - "rustc", - "-Z", - "unstable-options", - "--print", - "target-spec-json", - "--", - "-Z", - "unstable-options", - ]) - .env("RUSTC_BOOTSTRAP", "1"); - if let Some(target) = target { - cmd.args(["--target", target]); - } - match utf8_stdout(cmd) { - Ok(output) => return process(output), - Err(e) => { - tracing::warn!("failed to run `cargo rustc --print target-spec-json`, falling back to invoking rustc directly: {e}"); - sysroot - } - } - } - RustcDataLayoutConfig::Rustc(sysroot) => sysroot, - }; - - let mut cmd = Sysroot::tool(sysroot, Tool::Rustc); - cmd.envs(extra_env) - .args(["-Z", "unstable-options", "--print", "target-spec-json"]) - .env("RUSTC_BOOTSTRAP", "1"); - if let Some(target) = target { - cmd.args(["--target", target]); - } - process(utf8_stdout(cmd)?) -} |