75 lines
2.0 KiB
Rust
75 lines
2.0 KiB
Rust
//@ run-pass
|
|
//! Test that users are able to use serialize stable MIR constructs.
|
|
|
|
//@ ignore-stage1
|
|
//@ ignore-cross-compile
|
|
//@ ignore-remote
|
|
//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837
|
|
//@ edition: 2021
|
|
|
|
#![feature(rustc_private)]
|
|
#![feature(assert_matches)]
|
|
|
|
#[macro_use]
|
|
extern crate rustc_smir;
|
|
extern crate rustc_driver;
|
|
extern crate rustc_interface;
|
|
extern crate rustc_middle;
|
|
extern crate stable_mir;
|
|
extern crate serde;
|
|
extern crate serde_json;
|
|
|
|
use rustc_middle::ty::TyCtxt;
|
|
use rustc_smir::rustc_internal;
|
|
use stable_mir::mir::Body;
|
|
use std::io::{Write, BufWriter};
|
|
use std::ops::ControlFlow;
|
|
use serde_json::to_string;
|
|
|
|
|
|
const CRATE_NAME: &str = "input";
|
|
|
|
fn serialize_to_json(_tcx: TyCtxt<'_>) -> ControlFlow<()> {
|
|
let path = "output.json";
|
|
let mut writer = BufWriter::new(std::fs::File::create(path)
|
|
.expect("Failed to create path"));
|
|
let local_crate = stable_mir::local_crate();
|
|
let items: Vec<Body> = stable_mir::all_local_items()
|
|
.iter()
|
|
.map(|item| { item.body() })
|
|
.collect();
|
|
let crate_data = ( local_crate.name, items );
|
|
writer.write_all(to_string(&crate_data)
|
|
.expect("serde_json failed")
|
|
.as_bytes()).expect("JSON serialization failed");
|
|
ControlFlow::Continue(())
|
|
}
|
|
|
|
/// This test will generate and analyze a dummy crate using the stable mir.
|
|
/// For that, it will first write the dummy crate into a file.
|
|
/// Then it will create a `StableMir` using custom arguments and then
|
|
/// it will run the compiler.
|
|
fn main() {
|
|
let path = "internal_input.rs";
|
|
generate_input(&path).unwrap();
|
|
let args = vec![
|
|
"rustc".to_string(),
|
|
"--crate-name".to_string(),
|
|
CRATE_NAME.to_string(),
|
|
path.to_string(),
|
|
];
|
|
run_with_tcx!(args, serialize_to_json).unwrap();
|
|
}
|
|
|
|
fn generate_input(path: &str) -> std::io::Result<()> {
|
|
let mut file = std::fs::File::create(path)?;
|
|
write!(
|
|
file,
|
|
r#"
|
|
pub fn main() {{
|
|
}}
|
|
"#
|
|
)?;
|
|
Ok(())
|
|
}
|