bjoernager/rust
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Implement printing to file in codegen_backend.print

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This commit is contained in:
David Tolnay 2023-07-16 22:33:38 -07:00
parent 5a60660ff8
commit c80cbe4bae
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GPG key ID: F9BA143B95FF6D82
4 changed files with 33 additions and 14 deletions
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20
compiler/rustc_codegen_ssa/src/traits/backend.rs
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@ -23,6 +23,8 @@ use rustc_span::symbol::Symbol;
use rustc_target::abi::call::FnAbi;
use rustc_target::spec::Target;
use std::fmt;
pub trait BackendTypes {
type Value: CodegenObject;
type Function: CodegenObject;
@ -61,7 +63,7 @@ pub trait CodegenBackend {
fn locale_resource(&self) -> &'static str;
fn init(&self, _sess: &Session) {}
fn print(&self, _req: &PrintRequest, _sess: &Session) {}
fn print(&self, _req: &PrintRequest, _out: &mut dyn PrintBackendInfo, _sess: &Session) {}
fn target_features(&self, _sess: &Session, _allow_unstable: bool) -> Vec<Symbol> {
vec![]
}
@ -162,3 +164,19 @@ pub trait ExtraBackendMethods:
std::thread::Builder::new().name(name).spawn(f)
}
}
pub trait PrintBackendInfo {
fn infallible_write_fmt(&mut self, args: fmt::Arguments<'_>);
}
impl PrintBackendInfo for String {
fn infallible_write_fmt(&mut self, args: fmt::Arguments<'_>) {
fmt::Write::write_fmt(self, args).unwrap();
}
}
impl dyn PrintBackendInfo + '_ {
pub fn write_fmt(&mut self, args: fmt::Arguments<'_>) {
self.infallible_write_fmt(args);
}
}

2
compiler/rustc_codegen_ssa/src/traits/mod.rs
View file

@ -30,7 +30,7 @@ mod write;
pub use self::abi::AbiBuilderMethods;
pub use self::asm::{AsmBuilderMethods, AsmMethods, GlobalAsmOperandRef, InlineAsmOperandRef};
pub use self::backend::{Backend, BackendTypes, CodegenBackend, ExtraBackendMethods};
pub use self::backend::{Backend, BackendTypes, CodegenBackend, ExtraBackendMethods, PrintBackendInfo};
pub use self::builder::{BuilderMethods, OverflowOp};
pub use self::consts::ConstMethods;
pub use self::coverageinfo::CoverageInfoBuilderMethods;