Auto merge of #16573 - Veykril:salsa-doc-tests, r=Veykril

internal: Remove salsa doc compile tests

These don't play well with the github CI error annotations

crates/rust-analyzer/src/bin/main.rs

@@ -11,7 +11,7 @@ extern crate rustc_driver as _;
 
 mod rustc_wrapper;
 
-use std::{env, fs, path::PathBuf, process, sync::Arc};
+use std::{env, fs, path::PathBuf, process::ExitCode, sync::Arc};
 
 use anyhow::Context;
 use lsp_server::Connection;
@@ -27,21 +27,15 @@ static ALLOC: mimalloc::MiMalloc = mimalloc::MiMalloc;
 #[global_allocator]
 static ALLOC: jemallocator::Jemalloc = jemallocator::Jemalloc;
 
-fn main() -> anyhow::Result<()> {
+fn main() -> anyhow::Result<ExitCode> {
     if std::env::var("RA_RUSTC_WRAPPER").is_ok() {
-        let mut args = std::env::args_os();
-        let _me = args.next().unwrap();
-        let rustc = args.next().unwrap();
-        let code = match rustc_wrapper::run_rustc_skipping_cargo_checking(rustc, args.collect()) {
-            Ok(rustc_wrapper::ExitCode(code)) => code.unwrap_or(102),
-            Err(err) => {
-                eprintln!("{err}");
-                101
-            }
-        };
-        process::exit(code);
+        rustc_wrapper::main().map_err(Into::into)
+    } else {
+        actual_main()
     }
+}
 
+fn actual_main() -> anyhow::Result<ExitCode> {
     let flags = flags::RustAnalyzer::from_env_or_exit();
 
     #[cfg(debug_assertions)]
@@ -58,14 +52,14 @@ fn main() -> anyhow::Result<()> {
     let verbosity = flags.verbosity();
 
     match flags.subcommand {
-        flags::RustAnalyzerCmd::LspServer(cmd) => {
+        flags::RustAnalyzerCmd::LspServer(cmd) => 'lsp_server: {
             if cmd.print_config_schema {
                 println!("{:#}", Config::json_schema());
-                return Ok(());
+                break 'lsp_server;
             }
             if cmd.version {
                 println!("rust-analyzer {}", rust_analyzer::version());
-                return Ok(());
+                break 'lsp_server;
             }
 
             // rust-analyzer’s “main thread” is actually
@@ -90,7 +84,7 @@ fn main() -> anyhow::Result<()> {
         flags::RustAnalyzerCmd::RunTests(cmd) => cmd.run()?,
         flags::RustAnalyzerCmd::RustcTests(cmd) => cmd.run()?,
     }
-    Ok(())
+    Ok(ExitCode::SUCCESS)
 }
 
 fn setup_logging(log_file_flag: Option<PathBuf>) -> anyhow::Result<()> {

crates/rust-analyzer/src/bin/rustc_wrapper.rs

@@ -7,13 +7,17 @@
 use std::{
     ffi::OsString,
     io,
-    process::{Command, Stdio},
+    process::{Command, ExitCode, Stdio},
 };
 
-/// ExitCode/ExitStatus are impossible to create :(.
-pub(crate) struct ExitCode(pub(crate) Option<i32>);
+pub(crate) fn main() -> io::Result<ExitCode> {
+    let mut args = std::env::args_os();
+    let _me = args.next().unwrap();
+    let rustc = args.next().unwrap();
+    run_rustc_skipping_cargo_checking(rustc, args.collect())
+}
 
-pub(crate) fn run_rustc_skipping_cargo_checking(
+fn run_rustc_skipping_cargo_checking(
     rustc_executable: OsString,
     args: Vec<OsString>,
 ) -> io::Result<ExitCode> {
@@ -35,9 +39,10 @@ pub(crate) fn run_rustc_skipping_cargo_checking(
         arg.starts_with("--emit=") && arg.contains("metadata") && !arg.contains("link")
     });
     if not_invoked_by_build_script && is_cargo_check {
-        return Ok(ExitCode(Some(0)));
+        Ok(ExitCode::from(0))
+    } else {
+        run_rustc(rustc_executable, args)
     }
-    run_rustc(rustc_executable, args)
 }
 
 fn run_rustc(rustc_executable: OsString, args: Vec<OsString>) -> io::Result<ExitCode> {
@@ -47,5 +52,5 @@ fn run_rustc(rustc_executable: OsString, args: Vec<OsString>) -> io::Result<Exit
         .stdout(Stdio::inherit())
         .stderr(Stdio::inherit())
         .spawn()?;
-    Ok(ExitCode(child.wait()?.code()))
+    Ok(ExitCode::from(child.wait()?.code().unwrap_or(102) as u8))
 }