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//! Analyze all modules in a project for diagnostics. Exits with a non-zero status
//! code if any errors are found.
use std::path::Path;
use anyhow::anyhow;
use rustc_hash::FxHashSet;
use hir::Crate;
use ra_db::SourceDatabaseExt;
use ra_ide::Severity;
use crate::cli::{load_cargo::load_cargo, Result};
pub fn diagnostics(
path: &Path,
load_output_dirs: bool,
with_proc_macro: bool,
_all: bool,
) -> Result<()> {
let (host, _vfs) = load_cargo(path, load_output_dirs, with_proc_macro)?;
let db = host.raw_database();
let analysis = host.analysis();
let mut found_error = false;
let mut visited_files = FxHashSet::default();
let mut work = Vec::new();
let krates = Crate::all(db);
for krate in krates {
let module = krate.root_module(db).expect("crate without root module");
let file_id = module.definition_source(db).file_id;
let file_id = file_id.original_file(db);
let source_root = db.file_source_root(file_id);
let source_root = db.source_root(source_root);
if !source_root.is_library {
work.push(module);
}
}
for module in work {
let file_id = module.definition_source(db).file_id.original_file(db);
if !visited_files.contains(&file_id) {
let crate_name = if let Some(name) = module.krate().display_name(db) {
format!("{}", name)
} else {
String::from("unknown")
};
println!("processing crate: {}, module: {}", crate_name, _vfs.file_path(file_id));
for diagnostic in analysis.diagnostics(file_id).unwrap() {
if matches!(diagnostic.severity, Severity::Error) {
found_error = true;
}
println!("{:?}", diagnostic);
}
visited_files.insert(file_id);
}
}
println!();
println!("diagnostic scan complete");
if found_error {
println!();
Err(anyhow!("diagnostic error detected"))
} else {
Ok(())
}
}
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