1 #![feature(rustc_private)]
4 extern crate rustc_interface;
5 #[allow(unused_extern_crates)]
6 extern crate rustc_driver;
9 use rustc::session::DiagnosticOutput;
10 use rustc::session::config::{Input, Options,
11 OutputType, OutputTypes};
12 use rustc_interface::interface;
13 use syntax::source_map::FileName;
15 use std::path::PathBuf;
22 let args: Vec<String> = std::env::args().collect();
25 panic!("expected rustc path");
28 let tmpdir = PathBuf::from(&args[1]);
30 let mut sysroot = PathBuf::from(&args[3]);
34 compile(src.to_string(), tmpdir.join("out"), sysroot.clone());
36 compile(src.to_string(), tmpdir.join("out"), sysroot.clone());
39 fn compile(code: String, output: PathBuf, sysroot: PathBuf) {
40 let mut opts = Options::default();
41 opts.output_types = OutputTypes::new(&[(OutputType::Exe, None)]);
42 opts.maybe_sysroot = Some(sysroot);
44 if let Ok(linker) = std::env::var("RUSTC_LINKER") {
45 opts.cg.linker = Some(linker.into());
48 let name = FileName::anon_source_code(&code);
49 let input = Input::Str { name, input: code };
51 let config = interface::Config {
53 crate_cfg: Default::default(),
56 output_file: Some(output),
59 diagnostic_output: DiagnosticOutput::Default,
62 lint_caps: Default::default(),
65 interface::run_compiler(config, |compiler| {
66 compiler.compile().ok();