notohh/rustlings
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Merge get_sysroot_src into the constructor

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This commit is contained in:
mo8it 2024-03-25 03:49:10 +01:00
parent efa9f57048
commit 51712cc19f
2 changed files with 39 additions and 43 deletions
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5
src/main.rs
View file

@ -204,10 +204,7 @@ fn main() -> Result<()> {
}
Subcommands::Lsp => {
let mut project = RustAnalyzerProject::new();
project
.get_sysroot_src()
.expect("Couldn't find toolchain path, do you have `rustc` installed?");
let mut project = RustAnalyzerProject::build()?;
project
.exercises_to_json()
.expect("Couldn't parse rustlings exercises files");

75
src/project.rs
View file

@ -1,3 +1,4 @@
use anyhow::{bail, Context, Result};
use glob::glob;
use serde::{Deserialize, Serialize};
use std::env;
@ -22,11 +23,44 @@ pub struct Crate {
}
impl RustAnalyzerProject {
pub fn new() -> RustAnalyzerProject {
RustAnalyzerProject {
sysroot_src: String::new(),
pub fn build() -> Result<Self> {
// check if RUST_SRC_PATH is set
if let Ok(sysroot_src) = env::var("RUST_SRC_PATH") {
return Ok(Self {
sysroot_src,
crates: Vec::new(),
});
}
let toolchain = Command::new("rustc")
.arg("--print")
.arg("sysroot")
.output()
.context("Failed to get the sysroot from `rustc`. Do you have `rustc` installed?")?
.stdout;
let toolchain =
String::from_utf8(toolchain).context("The toolchain path is invalid UTF8")?;
let toolchain = toolchain.trim_end();
println!("Determined toolchain: {toolchain}\n");
let Ok(sysroot_src) = Path::new(toolchain)
.join("lib")
.join("rustlib")
.join("src")
.join("rust")
.join("library")
.into_os_string()
.into_string()
else {
bail!("The sysroot path is invalid UTF8");
};
Ok(Self {
sysroot_src,
crates: Vec::new(),
})
}
/// Write rust-project.json to disk
@ -66,39 +100,4 @@ impl RustAnalyzerProject {
}
Ok(())
}
/// Use `rustc` to determine the default toolchain
pub fn get_sysroot_src(&mut self) -> Result<(), Box<dyn Error>> {
// check if RUST_SRC_PATH is set
if let Ok(path) = env::var("RUST_SRC_PATH") {
self.sysroot_src = path;
return Ok(());
}
let toolchain = Command::new("rustc")
.arg("--print")
.arg("sysroot")
.output()?
.stdout;
let toolchain = String::from_utf8(toolchain)?;
let toolchain = toolchain.trim_end();
println!("Determined toolchain: {toolchain}\n");
let Ok(path) = Path::new(toolchain)
.join("lib")
.join("rustlib")
.join("src")
.join("rust")
.join("library")
.into_os_string()
.into_string()
else {
return Err("The sysroot path is invalid UTF8".into());
};
self.sysroot_src = path;
Ok(())
}
}