From e8857d045a62802d30becfc8f4cb50030c9a87cc Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 17 Oct 2023 08:05:23 +0000 Subject: [PATCH] Avoid having `rustc_smir` depend on `rustc_interface` or `rustc_driver` --- Cargo.lock | 2 - compiler/rustc_smir/Cargo.toml | 2 - compiler/rustc_smir/src/rustc_internal/mod.rs | 130 ++++++++++-------- .../stable-mir/compilation-result.rs | 18 +-- tests/ui-fulldeps/stable-mir/crate-info.rs | 5 +- tests/ui-fulldeps/stable-mir/instance.rs | 5 +- 6 files changed, 89 insertions(+), 73 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index c8e7665337fb5..78cb40a8f67d1 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -4482,9 +4482,7 @@ name = "rustc_smir" version = "0.0.0" dependencies = [ "rustc_data_structures", - "rustc_driver", "rustc_hir", - "rustc_interface", "rustc_middle", "rustc_span", "rustc_target", diff --git a/compiler/rustc_smir/Cargo.toml b/compiler/rustc_smir/Cargo.toml index 2b77044d6bfc7..41c7d3a859437 100644 --- a/compiler/rustc_smir/Cargo.toml +++ b/compiler/rustc_smir/Cargo.toml @@ -5,9 +5,7 @@ edition = "2021" [dependencies] rustc_data_structures = { path = "../rustc_data_structures" } -rustc_driver = { path = "../rustc_driver" } rustc_hir = { path = "../rustc_hir" } -rustc_interface = { path = "../rustc_interface" } rustc_middle = { path = "../rustc_middle" } rustc_span = { path = "../rustc_span" } rustc_target = { path = "../rustc_target" } diff --git a/compiler/rustc_smir/src/rustc_internal/mod.rs b/compiler/rustc_smir/src/rustc_internal/mod.rs index 5ea805e5739b5..5ae4e127608e6 100644 --- a/compiler/rustc_smir/src/rustc_internal/mod.rs +++ b/compiler/rustc_smir/src/rustc_internal/mod.rs @@ -3,22 +3,18 @@ //! For that, we define APIs that will temporarily be public to 3P that exposes rustc internal APIs //! until stable MIR is complete. -use crate::rustc_internal; use crate::rustc_smir::Tables; use rustc_data_structures::fx; use rustc_data_structures::fx::FxIndexMap; -use rustc_driver::{Callbacks, Compilation, RunCompiler}; -use rustc_interface::{interface, Queries}; use rustc_middle::mir::interpret::AllocId; use rustc_middle::ty; use rustc_middle::ty::TyCtxt; use rustc_span::def_id::{CrateNum, DefId}; use rustc_span::Span; use stable_mir::ty::IndexedVal; -use stable_mir::CompilerError; use std::fmt::Debug; use std::hash::Hash; -use std::ops::{ControlFlow, Index}; +use std::ops::Index; impl<'tcx> Index for Tables<'tcx> { type Output = DefId; @@ -141,63 +137,81 @@ pub fn run(tcx: TyCtxt<'_>, f: impl FnOnce()) { ); } -pub struct StableMir -where - B: Send, - C: Send, -{ - args: Vec, - callback: fn(TyCtxt<'_>) -> ControlFlow, - result: Option>, -} +#[macro_export] +macro_rules! run { + ($args:expr, $callback:expr) => { + run!($args, tcx, $callback) + }; + ($args:expr, $tcx:ident, $callback:expr) => {{ + use rustc_driver::{Callbacks, Compilation, RunCompiler}; + use rustc_interface::{interface, Queries}; + use stable_mir::CompilerError; + use std::ops::ControlFlow; + + pub struct StableMir + where + B: Send, + C: Send, + { + args: Vec, + callback: fn(TyCtxt<'_>) -> ControlFlow, + result: Option>, + } -impl StableMir -where - B: Send, - C: Send, -{ - /// Creates a new `StableMir` instance, with given test_function and arguments. - pub fn new(args: Vec, callback: fn(TyCtxt<'_>) -> ControlFlow) -> Self { - StableMir { args, callback, result: None } - } - - /// Runs the compiler against given target and tests it with `test_function` - pub fn run(&mut self) -> Result> { - let compiler_result = - rustc_driver::catch_fatal_errors(|| RunCompiler::new(&self.args.clone(), self).run()); - match (compiler_result, self.result.take()) { - (Ok(Ok(())), Some(ControlFlow::Continue(value))) => Ok(value), - (Ok(Ok(())), Some(ControlFlow::Break(value))) => Err(CompilerError::Interrupted(value)), - (Ok(Ok(_)), None) => Err(CompilerError::Skipped), - (Ok(Err(_)), _) => Err(CompilerError::CompilationFailed), - (Err(_), _) => Err(CompilerError::ICE), + impl StableMir + where + B: Send, + C: Send, + { + /// Creates a new `StableMir` instance, with given test_function and arguments. + pub fn new(args: Vec, callback: fn(TyCtxt<'_>) -> ControlFlow) -> Self { + StableMir { args, callback, result: None } + } + + /// Runs the compiler against given target and tests it with `test_function` + pub fn run(&mut self) -> Result> { + let compiler_result = rustc_driver::catch_fatal_errors(|| { + RunCompiler::new(&self.args.clone(), self).run() + }); + match (compiler_result, self.result.take()) { + (Ok(Ok(())), Some(ControlFlow::Continue(value))) => Ok(value), + (Ok(Ok(())), Some(ControlFlow::Break(value))) => { + Err(CompilerError::Interrupted(value)) + } + (Ok(Ok(_)), None) => Err(CompilerError::Skipped), + (Ok(Err(_)), _) => Err(CompilerError::CompilationFailed), + (Err(_), _) => Err(CompilerError::ICE), + } + } } - } -} -impl Callbacks for StableMir -where - B: Send, - C: Send, -{ - /// Called after analysis. Return value instructs the compiler whether to - /// continue the compilation afterwards (defaults to `Compilation::Continue`) - fn after_analysis<'tcx>( - &mut self, - _compiler: &interface::Compiler, - queries: &'tcx Queries<'tcx>, - ) -> Compilation { - queries.global_ctxt().unwrap().enter(|tcx| { - rustc_internal::run(tcx, || { - self.result = Some((self.callback)(tcx)); - }); - if self.result.as_ref().is_some_and(|val| val.is_continue()) { - Compilation::Continue - } else { - Compilation::Stop + impl Callbacks for StableMir + where + B: Send, + C: Send, + { + /// Called after analysis. Return value instructs the compiler whether to + /// continue the compilation afterwards (defaults to `Compilation::Continue`) + fn after_analysis<'tcx>( + &mut self, + _compiler: &interface::Compiler, + queries: &'tcx Queries<'tcx>, + ) -> Compilation { + queries.global_ctxt().unwrap().enter(|tcx| { + rustc_internal::run(tcx, || { + self.result = Some((self.callback)(tcx)); + }); + if self.result.as_ref().is_some_and(|val| val.is_continue()) { + Compilation::Continue + } else { + Compilation::Stop + } + }) } - }) - } + } + + StableMir::new($args, |$tcx| $callback).run() + }}; } /// Simmilar to rustc's `FxIndexMap`, `IndexMap` with extra diff --git a/tests/ui-fulldeps/stable-mir/compilation-result.rs b/tests/ui-fulldeps/stable-mir/compilation-result.rs index 3ec1519fb13c4..ae6dc68523247 100644 --- a/tests/ui-fulldeps/stable-mir/compilation-result.rs +++ b/tests/ui-fulldeps/stable-mir/compilation-result.rs @@ -10,13 +10,15 @@ #![feature(assert_matches)] extern crate rustc_middle; +#[macro_use] extern crate rustc_smir; +extern crate rustc_driver; +extern crate rustc_interface; extern crate stable_mir; use rustc_middle::ty::TyCtxt; use rustc_smir::rustc_internal; use std::io::Write; -use std::ops::ControlFlow; /// This test will generate and analyze a dummy crate using the stable mir. /// For that, it will first write the dummy crate into a file. @@ -33,28 +35,26 @@ fn main() { } fn test_continue(args: Vec) { - let continue_fn = |_: TyCtxt| ControlFlow::Continue::<(), bool>(true); - let result = rustc_internal::StableMir::new(args, continue_fn).run(); + let result = run!(args, ControlFlow::Continue::<(), bool>(true)); assert_eq!(result, Ok(true)); } fn test_break(args: Vec) { - let continue_fn = |_: TyCtxt| ControlFlow::Break::(false); - let result = rustc_internal::StableMir::new(args, continue_fn).run(); + let result = run!(args, ControlFlow::Break::(false)); assert_eq!(result, Err(stable_mir::CompilerError::Interrupted(false))); } +#[allow(unreachable_code)] fn test_skipped(mut args: Vec) { args.push("--version".to_string()); - let unreach_fn = |_: TyCtxt| -> ControlFlow<()> { unreachable!() }; - let result = rustc_internal::StableMir::new(args, unreach_fn).run(); + let result = run!(args, unreachable!() as ControlFlow<()>); assert_eq!(result, Err(stable_mir::CompilerError::Skipped)); } +#[allow(unreachable_code)] fn test_failed(mut args: Vec) { args.push("--cfg=broken".to_string()); - let unreach_fn = |_: TyCtxt| -> ControlFlow<()> { unreachable!() }; - let result = rustc_internal::StableMir::new(args, unreach_fn).run(); + let result = run!(args, unreachable!() as ControlFlow<()>); assert_eq!(result, Err(stable_mir::CompilerError::CompilationFailed)); } diff --git a/tests/ui-fulldeps/stable-mir/crate-info.rs b/tests/ui-fulldeps/stable-mir/crate-info.rs index 8a812bd3265a1..26a437f5d8698 100644 --- a/tests/ui-fulldeps/stable-mir/crate-info.rs +++ b/tests/ui-fulldeps/stable-mir/crate-info.rs @@ -12,7 +12,10 @@ extern crate rustc_hir; extern crate rustc_middle; +#[macro_use] extern crate rustc_smir; +extern crate rustc_driver; +extern crate rustc_interface; extern crate stable_mir; use rustc_hir::def::DefKind; @@ -185,7 +188,7 @@ fn main() { CRATE_NAME.to_string(), path.to_string(), ]; - rustc_internal::StableMir::new(args, test_stable_mir).run().unwrap(); + run!(args, tcx, test_stable_mir(tcx)).unwrap(); } fn generate_input(path: &str) -> std::io::Result<()> { diff --git a/tests/ui-fulldeps/stable-mir/instance.rs b/tests/ui-fulldeps/stable-mir/instance.rs index fe06d9b5cc967..0ae0ab9c2e3a4 100644 --- a/tests/ui-fulldeps/stable-mir/instance.rs +++ b/tests/ui-fulldeps/stable-mir/instance.rs @@ -11,8 +11,11 @@ #![feature(control_flow_enum)] extern crate rustc_middle; +#[macro_use] extern crate rustc_smir; extern crate stable_mir; +extern crate rustc_driver; +extern crate rustc_interface; use rustc_middle::ty::TyCtxt; @@ -61,7 +64,7 @@ fn main() { CRATE_NAME.to_string(), path.to_string(), ]; - rustc_internal::StableMir::new(args, test_stable_mir).run().unwrap(); + run!(args, tcx, test_stable_mir(tcx)).unwrap(); } fn generate_input(path: &str) -> std::io::Result<()> {