fn run_compilation(
    compilation: &IsleCompilation,
) -> Result<(), Box<dyn std::error::Error + 'static>> {
    use cranelift_isle as isle;

    println!("Rebuilding {}", compilation.output.display());

    let code = (|| {
        let lexer = isle::lexer::Lexer::from_files(&compilation.inputs[..])?;
        let defs = isle::parser::parse(lexer)?;

        let mut options = isle::codegen::CodegenOptions::default();
        // Because we include!() the generated ISLE source, we cannot
        // put the global pragmas (`#![allow(...)]`) in the ISLE
        // source itself; we have to put them in the source that
        // include!()s it. (See
        // https://github.com/rust-lang/rust/issues/47995.)
        options.exclude_global_allow_pragmas = true;

        isle::compile::compile(&defs, &options)
    })()
    .map_err(|e| {
        // Make sure to include the source snippets location info along with
        // the error messages.

        #[cfg(feature = "isle-errors")]
        {
            let report = miette::Report::new(e);
            return DebugReport(report);

            struct DebugReport(miette::Report);

            impl std::fmt::Display for DebugReport {
                fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
                    self.0.handler().debug(&*self.0, f)
                }
            }

            impl std::fmt::Debug for DebugReport {
                fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
                    std::fmt::Display::fmt(self, f)
                }
            }

            impl std::error::Error for DebugReport {}
        }
        #[cfg(not(feature = "isle-errors"))]
        {
            return DebugReport(format!("{}", e));

            struct DebugReport(String);

            impl std::fmt::Display for DebugReport {
                fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
                    writeln!(f, "ISLE errors:\n\n{}\n", self.0)?;
                    writeln!(f, "To see a more detailed error report, run: ")?;
                    writeln!(f, "")?;
                    writeln!(
                        f,
                        "    $ cargo check -p cranelift-codegen --features isle-errors"
                    )?;
                    writeln!(f, "")?;
                    Ok(())
                }
            }

            impl std::fmt::Debug for DebugReport {
                fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
                    std::fmt::Display::fmt(self, f)
                }
            }

            impl std::error::Error for DebugReport {}
        }
    })?;

    let code = rustfmt(&code).unwrap_or_else(|e| {
        println!(
            "cargo:warning=Failed to run `rustfmt` on ISLE-generated code: {:?}",
            e
        );
        code
    });

    println!(
        "Writing ISLE-generated Rust code to {}",
        compilation.output.display()
    );
    std::fs::write(&compilation.output, code)?;

    Ok(())
}
/// Build ISLE DSL source text into generated Rust code.
///
/// NB: This must happen *after* the `cranelift-codegen-meta` functions, since
/// it consumes files generated by them.
Build ISLE DSL source text into generated Rust code.
NB: This must happen *after* the `cranelift-codegen-meta` functions, since
it consumes files generated by them.
Build ISLE DSL source text into generated Rust code . NB : This must happen * after * the ` cranelift - codegen - meta ` functions since it consumes files generated by them .
fn run_compilation(
    compilation: &IsleCompilation,
) -> Result<(), Box<dyn std::error::Error + 'static>> {
    use cranelift_isle as isle;
    println!("Rebuilding {}", compilation.output.display());
    let code = (|| {
        let lexer = isle::lexer::Lexer::from_files(&compilation.inputs[..])?;
        let defs = isle::parser::parse(lexer)?;
        let mut options = isle::codegen::CodegenOptions::default();
        // Because we include!() the generated ISLE source, we cannot
        // put the global pragmas (`#![allow(...)]`) in the ISLE
        // source itself; we have to put them in the source that
        // include!()s it. (See
        // https://github.com/rust-lang/rust/issues/47995.)
        options.exclude_global_allow_pragmas = true;
        isle::compile::compile(&defs, &options)
    })()
    .map_err(|e| {
        // Make sure to include the source snippets location info along with
        // the error messages.
        #[cfg(feature = "isle-errors")]
        {
            let report = miette::Report::new(e);
            return DebugReport(report);
            struct DebugReport(miette::Report);
            impl std::fmt::Display for DebugReport {
                fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
                    self.0.handler().debug(&*self.0, f)
                }
            }
            impl std::fmt::Debug for DebugReport {
                fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
                    std::fmt::Display::fmt(self, f)
                }
            }
            impl std::error::Error for DebugReport {}
        }
        #[cfg(not(feature = "isle-errors"))]
        {
            return DebugReport(format!("{}", e));
            struct DebugReport(String);
            impl std::fmt::Display for DebugReport {
                fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
                    writeln!(f, "ISLE errors:\n\n{}\n", self.0)?;
                    writeln!(f, "To see a more detailed error report, run: ")?;
                    writeln!(f, "")?;
                    writeln!(
                        f,
                        "    $ cargo check -p cranelift-codegen --features isle-errors"
                    )?;
                    writeln!(f, "")?;
                    Ok(())
                }
            }
            impl std::fmt::Debug for DebugReport {
                fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
                    std::fmt::Display::fmt(self, f)
                }
            }
            impl std::error::Error for DebugReport {}
        }
    })?;
    let code = rustfmt(&code).unwrap_or_else(|e| {
        println!(
            "cargo:warning=Failed to run `rustfmt` on ISLE-generated code: {:?}",
            e
        );
        code
    });
    println!(
        "Writing ISLE-generated Rust code to {}",
        compilation.output.display()
    );
    std::fs::write(&compilation.output, code)?;
    Ok(())
}
fn run_compilation ( compilation : & IsleCompilation , ) -> Result < ( ) , Box < dyn std :: error :: Error + ' static > > { use cranelift_isle as isle ; println ! ( " " compilation output display ( ) ) ; let code = ( | | { let lexer = isle :: lexer :: Lexer :: from_files ( & compilation . inputs [ .. ] ) ? ; let defs = isle :: parser :: parse ( lexer ) ? ; let mut options = isle :: codegen :: CodegenOptions :: default ( ) ; // Because we include!() the generated ISLE source, we cannot // put the global pragmas (`#![allow(...)]`) in the ISLE // source itself; we have to put them in the source that // include!()s it. (See // https://github.com/rust-lang/rust/issues/47995.) options . exclude_global_allow_pragmas = true ; isle :: compile :: compile ( & defs , & options ) } ) ( ) . map_err ( | e | { // Make sure to include the source snippets location info along with // the error messages. # [ cfg ( feature " " ) ] { let report = miette :: Report :: new ( e ) ; return DebugReport ( report ) ; struct DebugReport ( miette :: Report ) ; impl std :: fmt :: Display for DebugReport { fn fmt ( & self , f : & mut std :: fmt :: Formatter ) -> std :: fmt :: Result { self . 0 . handler ( ) . debug ( & * self . 0 , f ) } } impl std :: fmt :: Debug for DebugReport { fn fmt ( & self , f : & mut std :: fmt :: Formatter ) -> std :: fmt :: Result { std :: fmt :: Display :: fmt ( self , f ) } } impl std :: error :: Error for DebugReport { } } # [ cfg ( not ( feature " " ) ) ] { return DebugReport ( format ! ( " " e ) ) ; struct DebugReport ( String ) ; impl std :: fmt :: Display for DebugReport { fn fmt ( & self , f : & mut std :: fmt :: Formatter ) -> std :: fmt :: Result { writeln ! ( f " \n \n \n " self 0 ) ? ; writeln ! ( f " " ) ? ; writeln ! ( f " " ) ? ; writeln ! ( f " " ) ? ; writeln ! ( f " " ) ? ; Ok ( ( ) ) } } impl std :: fmt :: Debug for DebugReport { fn fmt ( & self , f : & mut std :: fmt :: Formatter ) -> std :: fmt :: Result { std :: fmt :: Display :: fmt ( self , f ) } } impl std :: error :: Error for DebugReport { } } } ) ? ; let code = rustfmt ( & code ) . unwrap_or_else ( | e | { println ! ( " " e ) ; code } ) ; println ! ( " " compilation output display ( ) ) ; std :: fs :: write ( & compilation . output , code ) ? ; Ok ( ( ) ) }
Build ISLE DSL source text into generated Rust code.
Build ISLE DSL source text into generated Rust code .
compilation
&IsleCompilation
compilation
&IsleCompilation