diff options
Diffstat (limited to 'compiler/rustc_driver/src/lib.rs')
| -rw-r--r-- | compiler/rustc_driver/src/lib.rs | 86 |
1 files changed, 58 insertions, 28 deletions
diff --git a/compiler/rustc_driver/src/lib.rs b/compiler/rustc_driver/src/lib.rs index cfa734c7d..f06ca5a07 100644 --- a/compiler/rustc_driver/src/lib.rs +++ b/compiler/rustc_driver/src/lib.rs @@ -5,7 +5,9 @@ //! This API is completely unstable and subject to change. #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] +#![feature(is_terminal)] #![feature(once_cell)] +#![feature(decl_macro)] #![recursion_limit = "256"] #![allow(rustc::potential_query_instability)] #![deny(rustc::untranslatable_diagnostic)] @@ -23,10 +25,10 @@ use rustc_data_structures::sync::SeqCst; use rustc_errors::registry::{InvalidErrorCode, Registry}; use rustc_errors::{ErrorGuaranteed, PResult}; use rustc_feature::find_gated_cfg; +use rustc_hir::def_id::LOCAL_CRATE; use rustc_interface::util::{self, collect_crate_types, get_codegen_backend}; use rustc_interface::{interface, Queries}; use rustc_lint::LintStore; -use rustc_log::stdout_isatty; use rustc_metadata::locator; use rustc_save_analysis as save; use rustc_save_analysis::DumpHandler; @@ -47,7 +49,7 @@ use std::default::Default; use std::env; use std::ffi::OsString; use std::fs; -use std::io::{self, Read, Write}; +use std::io::{self, IsTerminal, Read, Write}; use std::panic::{self, catch_unwind}; use std::path::PathBuf; use std::process::{self, Command, Stdio}; @@ -244,10 +246,8 @@ fn run_compiler( interface::run_compiler(config, |compiler| { let sopts = &compiler.session().opts; if sopts.describe_lints { - let mut lint_store = rustc_lint::new_lint_store( - sopts.unstable_opts.no_interleave_lints, - compiler.session().enable_internal_lints(), - ); + let mut lint_store = + rustc_lint::new_lint_store(compiler.session().enable_internal_lints()); let registered_lints = if let Some(register_lints) = compiler.register_lints() { register_lints(compiler.session(), &mut lint_store); @@ -317,7 +317,7 @@ fn run_compiler( compiler.input(), &*expanded_crate, *ppm, - compiler.output_file().as_ref().map(|p| &**p), + compiler.output_file().as_deref(), ); Ok(()) })?; @@ -328,7 +328,7 @@ fn run_compiler( compiler.input(), &krate, *ppm, - compiler.output_file().as_ref().map(|p| &**p), + compiler.output_file().as_deref(), ); } trace!("finished pretty-printing"); @@ -375,17 +375,14 @@ fn run_compiler( queries.global_ctxt()?.peek_mut().enter(|tcx| { let result = tcx.analysis(()); if sess.opts.unstable_opts.save_analysis { - let crate_name = queries.crate_name()?.peek().clone(); + let crate_name = tcx.crate_name(LOCAL_CRATE); sess.time("save_analysis", || { save::process_crate( tcx, - &crate_name, + crate_name, compiler.input(), None, - DumpHandler::new( - compiler.output_dir().as_ref().map(|p| &**p), - &crate_name, - ), + DumpHandler::new(compiler.output_dir().as_deref(), crate_name), ) }); } @@ -514,7 +511,7 @@ fn handle_explain(registry: Registry, code: &str, output: ErrorOutputType) { } text.push('\n'); } - if stdout_isatty() { + if io::stdout().is_terminal() { show_content_with_pager(&text); } else { print!("{}", text); @@ -682,7 +679,7 @@ fn print_crate_info( let crate_types = collect_crate_types(sess, attrs); for &style in &crate_types { let fname = - rustc_session::output::filename_for_input(sess, style, &id, &t_outputs); + rustc_session::output::filename_for_input(sess, style, id, &t_outputs); println!("{}", fname.file_name().unwrap().to_string_lossy()); } } @@ -736,26 +733,58 @@ fn print_crate_info( // Any output here interferes with Cargo's parsing of other printed output NativeStaticLibs => {} LinkArgs => {} + SplitDebuginfo => { + use rustc_target::spec::SplitDebuginfo::{Off, Packed, Unpacked}; + + for split in &[Off, Packed, Unpacked] { + let stable = sess.target.options.supported_split_debuginfo.contains(split); + let unstable_ok = sess.unstable_options(); + if stable || unstable_ok { + println!("{}", split); + } + } + } } } Compilation::Stop } /// 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 +1100,7 @@ pub fn handle_options(args: &[String]) -> Option<getopts::Matches> { } if matches.opt_present("version") { - version("rustc", &matches); + version!("rustc", &matches); return None; } @@ -1200,6 +1229,7 @@ pub fn report_ice(info: &panic::PanicInfo<'_>, bug_report_url: &str) { false, None, false, + false, )); let handler = rustc_errors::Handler::with_emitter(true, None, emitter); @@ -1215,7 +1245,7 @@ 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(), @@ -1305,8 +1335,8 @@ mod signal_handler { } } - // When an error signal (such as SIGABRT or SIGSEGV) is delivered to the - // process, print a stack trace and then exit. + /// When an error signal (such as SIGABRT or SIGSEGV) is delivered to the + /// process, print a stack trace and then exit. pub(super) fn install() { unsafe { const ALT_STACK_SIZE: usize = libc::MINSIGSTKSZ + 64 * 1024; |