Merge commit 'e36a20c24f' into ra-sync-and-pms-component

crates/proc-macro-srv-cli/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "proc-macro-srv-cli"
+version = "0.0.0"
+description = "TBD"
+license = "MIT OR Apache-2.0"
+edition = "2021"
+rust-version = "1.57"
+
+[dependencies]
+proc-macro-srv = { version = "0.0.0", path = "../proc-macro-srv" }
+
+[features]
+sysroot-abi = ["proc-macro-srv/sysroot-abi"]
+
+[[bin]]
+name = "rust-analyzer-proc-macro-srv"
+path = "src/main.rs"

crates/proc-macro-srv-cli/src/main.rs

@@ -0,0 +1,19 @@
+//! A standalone binary for `proc-macro-srv`.
+
+use proc_macro_srv::cli;
+
+fn main() -> std::io::Result<()> {
+    let v = std::env::var("RUST_ANALYZER_INTERNALS_DO_NOT_USE");
+    match v.as_deref() {
+        Ok("this is unstable") => {
+            // very well, if you must
+        }
+        _ => {
+            eprintln!("If you're rust-analyzer, you can use this tool by exporting RUST_ANALYZER_INTERNALS_DO_NOT_USE='this is unstable'.");
+            eprintln!("If not, you probably shouldn't use this tool. But do what you want: I'm an error message, not a cop.");
+            std::process::exit(122);
+        }
+    }
+
+    cli::run()
+}