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[rustc.git] / src / test / run-make / issue-19371 / foo.rs
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1// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2// file at the top-level directory of this distribution and at
3// http://rust-lang.org/COPYRIGHT.
4//
5// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8// option. This file may not be copied, modified, or distributed
9// except according to those terms.
10
b039eaaf 11#![feature(rustc_private)]
c34b1796 12
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13extern crate rustc;
14extern crate rustc_driver;
c34b1796 15extern crate rustc_lint;
92a42be0 16extern crate rustc_metadata;
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17extern crate syntax;
18
19use rustc::session::{build_session, Session};
b039eaaf 20use rustc::session::config::{basic_options, build_configuration, Input, OutputType};
54a0048b 21use rustc_driver::driver::{compile_input, CompileController, anon_src};
92a42be0 22use rustc_metadata::cstore::CStore;
1a4d82fc 23use syntax::diagnostics::registry::Registry;
92a42be0 24use syntax::parse::token;
1a4d82fc 25
c34b1796 26use std::path::PathBuf;
92a42be0 27use std::rc::Rc;
c34b1796 28
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29fn main() {
30 let src = r#"
31 fn main() {}
32 "#;
33
85aaf69f 34 let args: Vec<String> = std::env::args().collect();
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35
36 if args.len() < 4 {
37 panic!("expected rustc path");
38 }
39
c34b1796 40 let tmpdir = PathBuf::from(&args[1]);
1a4d82fc 41
c34b1796 42 let mut sysroot = PathBuf::from(&args[3]);
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43 sysroot.pop();
44 sysroot.pop();
45
46 compile(src.to_string(), tmpdir.join("out"), sysroot.clone());
47
48 compile(src.to_string(), tmpdir.join("out"), sysroot.clone());
49}
50
92a42be0 51fn basic_sess(sysroot: PathBuf) -> (Session, Rc<CStore>) {
1a4d82fc 52 let mut opts = basic_options();
b039eaaf 53 opts.output_types.insert(OutputType::Exe, None);
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54 opts.maybe_sysroot = Some(sysroot);
55
d9579d0f 56 let descriptions = Registry::new(&rustc::DIAGNOSTICS);
92a42be0 57 let cstore = Rc::new(CStore::new(token::get_ident_interner()));
9cc50fc6 58 let sess = build_session(opts, None, descriptions, cstore.clone());
c34b1796 59 rustc_lint::register_builtins(&mut sess.lint_store.borrow_mut(), Some(&sess));
92a42be0 60 (sess, cstore)
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61}
62
c34b1796 63fn compile(code: String, output: PathBuf, sysroot: PathBuf) {
92a42be0 64 let (sess, cstore) = basic_sess(sysroot);
1a4d82fc 65 let cfg = build_configuration(&sess);
85aaf69f 66 let control = CompileController::basic();
1a4d82fc 67
7453a54e 68 compile_input(&sess, &cstore,
1a4d82fc 69 cfg,
54a0048b 70 &Input::Str { name: anon_src(), input: code },
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71 &None,
72 &Some(output),
85aaf69f 73 None,
7453a54e 74 &control);
1a4d82fc 75}