diff --git a/compiler/rustc_driver/src/lib.rs b/compiler/rustc_driver/src/lib.rs index 544efc124e117..a3391ca7da5ab 100644 --- a/compiler/rustc_driver/src/lib.rs +++ b/compiler/rustc_driver/src/lib.rs @@ -134,9 +134,52 @@ pub fn diagnostics_registry() -> Registry { Registry::new(&rustc_error_codes::DIAGNOSTICS) } +pub struct RunCompiler<'a, 'b> { + at_args: &'a [String], + callbacks: &'b mut (dyn Callbacks + Send), + file_loader: Option>, + emitter: Option>, + make_codegen_backend: + Option Box + Send>>, +} + +impl<'a, 'b> RunCompiler<'a, 'b> { + pub fn new(at_args: &'a [String], callbacks: &'b mut (dyn Callbacks + Send)) -> Self { + Self { at_args, callbacks, file_loader: None, emitter: None, make_codegen_backend: None } + } + pub fn set_make_codegen_backend( + &mut self, + make_codegen_backend: Option< + Box Box + Send>, + >, + ) -> &mut Self { + self.make_codegen_backend = make_codegen_backend; + self + } + pub fn set_emitter(&mut self, emitter: Option>) -> &mut Self { + self.emitter = emitter; + self + } + pub fn set_file_loader( + &mut self, + file_loader: Option>, + ) -> &mut Self { + self.file_loader = file_loader; + self + } + pub fn run(self) -> interface::Result<()> { + run_compiler( + self.at_args, + self.callbacks, + self.file_loader, + self.emitter, + self.make_codegen_backend, + ) + } +} // Parse args and run the compiler. This is the primary entry point for rustc. // The FileLoader provides a way to load files from sources other than the file system. -pub fn run_compiler( +fn run_compiler( at_args: &[String], callbacks: &mut (dyn Callbacks + Send), file_loader: Option>, @@ -1275,7 +1318,7 @@ pub fn main() -> ! { }) }) .collect::>(); - run_compiler(&args, &mut callbacks, None, None, None) + RunCompiler::new(&args, &mut callbacks).run() }); // The extra `\t` is necessary to align this label with the others. print_time_passes_entry(callbacks.time_passes, "\ttotal", start.elapsed()); diff --git a/src/test/ui-fulldeps/compiler-calls.rs b/src/test/ui-fulldeps/compiler-calls.rs index 0025b47403d19..a9520b59277ac 100644 --- a/src/test/ui-fulldeps/compiler-calls.rs +++ b/src/test/ui-fulldeps/compiler-calls.rs @@ -26,13 +26,8 @@ fn main() { let mut count = 1; let args = vec!["compiler-calls".to_string(), "foo.rs".to_string()]; rustc_driver::catch_fatal_errors(|| { - rustc_driver::run_compiler( - &args, - &mut TestCalls { count: &mut count }, - None, - None, - None, - ).ok(); - }).ok(); + rustc_driver::RunCompiler::new(&args, &mut TestCalls { count: &mut count }).run().ok(); + }) + .ok(); assert_eq!(count, 2); } diff --git a/src/tools/clippy/src/driver.rs b/src/tools/clippy/src/driver.rs index f4f2259cefd51..377f6d2244635 100644 --- a/src/tools/clippy/src/driver.rs +++ b/src/tools/clippy/src/driver.rs @@ -357,7 +357,7 @@ pub fn main() { args.extend(vec!["--sysroot".into(), sys_root]); }; - return rustc_driver::run_compiler(&args, &mut DefaultCallbacks, None, None, None); + return rustc_driver::RunCompiler::new(&args, &mut DefaultCallbacks).run(); } if orig_args.iter().any(|a| a == "--version" || a == "-V") { @@ -420,6 +420,6 @@ pub fn main() { let mut default = DefaultCallbacks; let callbacks: &mut (dyn rustc_driver::Callbacks + Send) = if clippy_enabled { &mut clippy } else { &mut default }; - rustc_driver::run_compiler(&args, callbacks, None, None, None) + rustc_driver::RunCompiler::new(&args, callbacks).run() })) }