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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
#![feature(rustc_private)]
#![warn(rustc::internal)]
#![allow(rustc::potential_query_instability)]
// This rustc crates are private so they must be manually imported.
extern crate rustc_ast;
extern crate rustc_driver;
extern crate rustc_error_messages;
extern crate rustc_errors;
extern crate rustc_hir;
extern crate rustc_infer;
extern crate rustc_interface;
extern crate rustc_lint;
extern crate rustc_log;
extern crate rustc_middle;
extern crate rustc_session;
extern crate rustc_span;
extern crate rustc_trait_selection;
extern crate rustc_type_ir;
use std::path::Path;
use std::process::ExitCode;
use rustc_driver::Callbacks;
use rustc_interface::interface::Config;
mod common;
#[cfg(feature = "unrooted_must_root_lint")]
mod unrooted_must_root;
#[cfg(feature = "trace_in_no_trace_lint")]
mod trace_in_no_trace;
mod crown_is_not_used;
struct MyCallbacks;
impl Callbacks for MyCallbacks {
fn config(&mut self, config: &mut Config) {
config.register_lints = Some(Box::new(move |sess, lint_store| {
// Skip checks for proc-macro crates.
if sess
.opts
.crate_types
.contains(&rustc_session::config::CrateType::ProcMacro)
{
return;
}
crown_is_not_used::register(lint_store);
#[cfg(feature = "unrooted_must_root_lint")]
unrooted_must_root::register(lint_store);
#[cfg(feature = "trace_in_no_trace_lint")]
trace_in_no_trace::register(lint_store);
}));
}
}
fn main() -> ExitCode {
let handler =
rustc_session::EarlyDiagCtxt::new(rustc_session::config::ErrorOutputType::default());
rustc_driver::init_logger(&handler, rustc_log::LoggerConfig::from_env("CROWN_LOG"));
let mut args: Vec<_> = std::env::args().collect();
// Setting RUSTC_WRAPPER causes Cargo to pass 'rustc' as the first argument.
// We're invoking the compiler programmatically, so we ignore this
if args.get(1).map(Path::new).and_then(Path::file_stem) == Some("rustc".as_ref()) {
args.remove(1);
}
// Pass cfg(crown) to rustc
args.extend(["--cfg".to_owned(), "crown".to_owned()]);
match rustc_driver::RunCompiler::new(&args, &mut MyCallbacks).run() {
Ok(_) => ExitCode::SUCCESS,
Err(_) => ExitCode::FAILURE,
}
}
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