diff --git a/compiler/rustc_codegen_cranelift/src/debuginfo/mod.rs b/compiler/rustc_codegen_cranelift/src/debuginfo/mod.rs index c55db2017ee68..2ba012a77b0a9 100644 --- a/compiler/rustc_codegen_cranelift/src/debuginfo/mod.rs +++ b/compiler/rustc_codegen_cranelift/src/debuginfo/mod.rs @@ -59,7 +59,7 @@ impl DebugContext { let producer = format!( "cg_clif (rustc {}, cranelift {})", - rustc_interface::util::version_str().unwrap_or("unknown version"), + rustc_interface::util::rustc_version_str().unwrap_or("unknown version"), cranelift_codegen::VERSION, ); let comp_dir = tcx diff --git a/compiler/rustc_driver/src/lib.rs b/compiler/rustc_driver/src/lib.rs index cf4bcc7c158fc..0304551770312 100644 --- a/compiler/rustc_driver/src/lib.rs +++ b/compiler/rustc_driver/src/lib.rs @@ -6,6 +6,7 @@ #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![feature(once_cell)] +#![feature(decl_macro)] #![recursion_limit = "256"] #![allow(rustc::potential_query_instability)] #![deny(rustc::untranslatable_diagnostic)] @@ -742,20 +743,41 @@ fn print_crate_info( } /// Prints version information -pub fn version(binary: &str, matches: &getopts::Matches) { +/// +/// NOTE: this is a macro to support drivers built at a different time than the main `rustc_driver` crate. +pub macro version($binary: literal, $matches: expr) { + fn unw(x: Option<&str>) -> &str { + x.unwrap_or("unknown") + } + $crate::version_at_macro_invocation( + $binary, + $matches, + unw(option_env!("CFG_VERSION")), + unw(option_env!("CFG_VER_HASH")), + unw(option_env!("CFG_VER_DATE")), + unw(option_env!("CFG_RELEASE")), + ) +} + +#[doc(hidden)] // use the macro instead +pub fn version_at_macro_invocation( + binary: &str, + matches: &getopts::Matches, + version: &str, + commit_hash: &str, + commit_date: &str, + release: &str, +) { let verbose = matches.opt_present("verbose"); - println!("{} {}", binary, util::version_str().unwrap_or("unknown version")); + println!("{} {}", binary, version); if verbose { - fn unw(x: Option<&str>) -> &str { - x.unwrap_or("unknown") - } println!("binary: {}", binary); - println!("commit-hash: {}", unw(util::commit_hash_str())); - println!("commit-date: {}", unw(util::commit_date_str())); + println!("commit-hash: {}", commit_hash); + println!("commit-date: {}", commit_date); println!("host: {}", config::host_triple()); - println!("release: {}", unw(util::release_str())); + println!("release: {}", release); let debug_flags = matches.opt_strs("Z"); let backend_name = debug_flags.iter().find_map(|x| x.strip_prefix("codegen-backend=")); @@ -1071,7 +1093,7 @@ pub fn handle_options(args: &[String]) -> Option { } if matches.opt_present("version") { - version("rustc", &matches); + version!("rustc", &matches); return None; } @@ -1216,7 +1238,7 @@ pub fn report_ice(info: &panic::PanicInfo<'_>, bug_report_url: &str) { format!("we would appreciate a bug report: {}", bug_report_url).into(), format!( "rustc {} running on {}", - util::version_str().unwrap_or("unknown_version"), + util::version_str!().unwrap_or("unknown_version"), config::host_triple() ) .into(), diff --git a/compiler/rustc_interface/src/lib.rs b/compiler/rustc_interface/src/lib.rs index a41a749ee68e5..542b638bbd7a4 100644 --- a/compiler/rustc_interface/src/lib.rs +++ b/compiler/rustc_interface/src/lib.rs @@ -1,4 +1,5 @@ #![feature(box_patterns)] +#![feature(decl_macro)] #![feature(internal_output_capture)] #![feature(thread_spawn_unchecked)] #![feature(once_cell)] diff --git a/compiler/rustc_interface/src/util.rs b/compiler/rustc_interface/src/util.rs index 62ee72f988308..2fe3fb2fa5668 100644 --- a/compiler/rustc_interface/src/util.rs +++ b/compiler/rustc_interface/src/util.rs @@ -327,7 +327,7 @@ fn get_codegen_sysroot(maybe_sysroot: &Option, backend_name: &str) -> M let mut file: Option = None; let expected_names = &[ - format!("rustc_codegen_{}-{}", backend_name, release_str().expect("CFG_RELEASE")), + format!("rustc_codegen_{}-{}", backend_name, env!("CFG_RELEASE")), format!("rustc_codegen_{}", backend_name), ]; for entry in d.filter_map(|e| e.ok()) { @@ -554,22 +554,12 @@ pub fn build_output_filenames( } } -/// Returns a version string such as "1.46.0 (04488afe3 2020-08-24)" -pub fn version_str() -> Option<&'static str> { +/// Returns a version string such as "1.46.0 (04488afe3 2020-08-24)" when invoked by an in-tree tool. +pub macro version_str() { option_env!("CFG_VERSION") } -/// Returns a version string such as "0.12.0-dev". -pub fn release_str() -> Option<&'static str> { - option_env!("CFG_RELEASE") -} - -/// Returns the full SHA1 hash of HEAD of the Git repo from which rustc was built. -pub fn commit_hash_str() -> Option<&'static str> { - option_env!("CFG_VER_HASH") -} - -/// Returns the "commit date" of HEAD of the Git repo from which rustc was built as a static string. -pub fn commit_date_str() -> Option<&'static str> { - option_env!("CFG_VER_DATE") +/// Returns the version string for `rustc` itself (which may be different from a tool version). +pub fn rustc_version_str() -> Option<&'static str> { + version_str!() } diff --git a/src/librustdoc/config.rs b/src/librustdoc/config.rs index 9c08eac4edcb0..789dd398be50d 100644 --- a/src/librustdoc/config.rs +++ b/src/librustdoc/config.rs @@ -326,7 +326,7 @@ impl Options { crate::usage("rustdoc"); return Err(0); } else if matches.opt_present("version") { - rustc_driver::version("rustdoc", matches); + rustc_driver::version!("rustdoc", matches); return Err(0); } diff --git a/src/librustdoc/html/layout.rs b/src/librustdoc/html/layout.rs index 48c6abfca90ce..a60e7cb10fa51 100644 --- a/src/librustdoc/html/layout.rs +++ b/src/librustdoc/html/layout.rs @@ -71,7 +71,7 @@ pub(crate) fn render( let mut themes: Vec = style_files.iter().map(|s| s.basename().unwrap()).collect(); themes.sort(); - let rustdoc_version = rustc_interface::util::version_str().unwrap_or("unknown version"); + let rustdoc_version = rustc_interface::util::version_str!().unwrap_or("unknown version"); let content = Buffer::html().to_display(t); // Note: This must happen before making the sidebar. let sidebar = Buffer::html().to_display(sidebar); PageLayout {