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Merge from rustc

This commit is contained in:
The Miri Cronjob Bot 2025-01-24 05:02:41 +00:00
parent 676206cd4c aa3bd1abcb
commit d7e8ddaa92
3 changed files with 16 additions and 18 deletions
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15
examples/rustc-driver-example.rs
View File

@ -18,8 +18,8 @@ use std::path::Path;
use rustc_ast_pretty::pprust::item_to_string; use rustc_ast_pretty::pprust::item_to_string;
use rustc_data_structures::sync::Lrc; use rustc_data_structures::sync::Lrc;
use rustc_driver::{Compilation, RunCompiler}; use rustc_driver::{Compilation, run_compiler};
use rustc_interface::interface::Compiler; use rustc_interface::interface::{Compiler, Config};
use rustc_middle::ty::TyCtxt; use rustc_middle::ty::TyCtxt;
struct MyFileLoader; struct MyFileLoader;
@ -51,6 +51,10 @@ fn main() {
struct MyCallbacks; struct MyCallbacks;
impl rustc_driver::Callbacks for MyCallbacks { impl rustc_driver::Callbacks for MyCallbacks {
fn config(&mut self, config: &mut Config) {
config.file_loader = Some(Box::new(MyFileLoader));
}
fn after_crate_root_parsing( fn after_crate_root_parsing(
&mut self, &mut self,
_compiler: &Compiler, _compiler: &Compiler,
@ -83,10 +87,5 @@ impl rustc_driver::Callbacks for MyCallbacks {
} }
fn main() { fn main() {
match RunCompiler::new(&["main.rs".to_string()], &mut MyCallbacks) { run_compiler(&["main.rs".to_string()], &mut MyCallbacks);
mut compiler => {
compiler.set_file_loader(Some(Box::new(MyFileLoader)));
compiler.run();
}
}
} }

15
examples/rustc-driver-interacting-with-the-ast.rs
View File

@ -18,8 +18,8 @@ use std::path::Path;
use rustc_ast_pretty::pprust::item_to_string; use rustc_ast_pretty::pprust::item_to_string;
use rustc_data_structures::sync::Lrc; use rustc_data_structures::sync::Lrc;
use rustc_driver::{Compilation, RunCompiler}; use rustc_driver::{Compilation, run_compiler};
use rustc_interface::interface::Compiler; use rustc_interface::interface::{Compiler, Config};
use rustc_middle::ty::TyCtxt; use rustc_middle::ty::TyCtxt;
struct MyFileLoader; struct MyFileLoader;
@ -51,6 +51,10 @@ fn main() {
struct MyCallbacks; struct MyCallbacks;
impl rustc_driver::Callbacks for MyCallbacks { impl rustc_driver::Callbacks for MyCallbacks {
fn config(&mut self, config: &mut Config) {
config.file_loader = Some(Box::new(MyFileLoader));
}
fn after_crate_root_parsing( fn after_crate_root_parsing(
&mut self, &mut self,
_compiler: &Compiler, _compiler: &Compiler,
@ -90,10 +94,5 @@ impl rustc_driver::Callbacks for MyCallbacks {
} }
fn main() { fn main() {
match RunCompiler::new(&["main.rs".to_string()], &mut MyCallbacks) { run_compiler(&["main.rs".to_string()], &mut MyCallbacks);
mut compiler => {
compiler.set_file_loader(Some(Box::new(MyFileLoader)));
compiler.run();
}
}
} }

4
src/rustc-driver/intro.md
View File

@ -6,7 +6,7 @@ The [`rustc_driver`] is essentially `rustc`'s `main` function.
It acts as the glue for running the various phases of the compiler in the correct order, It acts as the glue for running the various phases of the compiler in the correct order,
using the interface defined in the [`rustc_interface`] crate. Where possible, using [`rustc_driver`] rather than [`rustc_interface`] is recommended. using the interface defined in the [`rustc_interface`] crate. Where possible, using [`rustc_driver`] rather than [`rustc_interface`] is recommended.
The main entry point of [`rustc_driver`] is [`rustc_driver::RunCompiler`][rd_rc]. The main entry point of [`rustc_driver`] is [`rustc_driver::run_compiler`][rd_rc].
This builder accepts the same command-line args as rustc as well as an implementation of [`Callbacks`][cb] and a couple of other optional options. This builder accepts the same command-line args as rustc as well as an implementation of [`Callbacks`][cb] and a couple of other optional options.
[`Callbacks`][cb] is a `trait` that allows for custom compiler configuration, [`Callbacks`][cb] is a `trait` that allows for custom compiler configuration,
as well as allowing custom code to run after different phases of the compilation. as well as allowing custom code to run after different phases of the compilation.
@ -40,7 +40,7 @@ specifically [`rustc_driver_impl::run_compiler`][rdi_rc]
[cb]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_driver/trait.Callbacks.html [cb]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_driver/trait.Callbacks.html
[example]: https://github.com/rust-lang/rustc-dev-guide/blob/master/examples/rustc-interface-example.rs [example]: https://github.com/rust-lang/rustc-dev-guide/blob/master/examples/rustc-interface-example.rs
[i_rc]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_interface/interface/fn.run_compiler.html [i_rc]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_interface/interface/fn.run_compiler.html
[rd_rc]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_driver/struct.RunCompiler.html [rd_rc]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_driver/fn.run_compiler.html
[rdi_rc]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_driver_impl/fn.run_compiler.html [rdi_rc]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_driver_impl/fn.run_compiler.html
[stupid-stats]: https://github.com/nrc/stupid-stats [stupid-stats]: https://github.com/nrc/stupid-stats
[`nightly-rustc`]: https://doc.rust-lang.org/nightly/nightly-rustc/ [`nightly-rustc`]: https://doc.rust-lang.org/nightly/nightly-rustc/