75 lines
2.5 KiB
Rust
75 lines
2.5 KiB
Rust
//! Analyze all modules in a project for diagnostics. Exits with a non-zero status
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//! code if any errors are found.
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use anyhow::anyhow;
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use ra_db::SourceDatabaseExt;
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use ra_ide::Severity;
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use std::{collections::HashSet, path::Path};
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use crate::cli::{load_cargo::load_cargo, Result};
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use hir::Semantics;
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pub fn diagnostics(path: &Path, load_output_dirs: bool, all: bool) -> Result<()> {
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let (host, roots) = load_cargo(path, load_output_dirs)?;
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let db = host.raw_database();
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let analysis = host.analysis();
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let semantics = Semantics::new(db);
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let members = roots
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.into_iter()
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.filter_map(|(source_root_id, project_root)| {
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// filter out dependencies
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if project_root.is_member() {
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Some(source_root_id)
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} else {
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None
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}
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})
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.collect::<HashSet<_>>();
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let mut found_error = false;
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let mut visited_files = HashSet::new();
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for source_root_id in members {
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for file_id in db.source_root(source_root_id).walk() {
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// Filter out files which are not actually modules (unless `--all` flag is
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// passed). In the rust-analyzer repository this filters out the parser test files.
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if semantics.to_module_def(file_id).is_some() || all {
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if !visited_files.contains(&file_id) {
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let crate_name = if let Some(module) = semantics.to_module_def(file_id) {
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if let Some(name) = module.krate().display_name(db) {
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format!("{}", name)
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} else {
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String::from("unknown")
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}
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} else {
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String::from("unknown")
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};
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println!(
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"processing crate: {}, module: {}",
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crate_name,
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db.file_relative_path(file_id)
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);
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for diagnostic in analysis.diagnostics(file_id).unwrap() {
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if matches!(diagnostic.severity, Severity::Error) {
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found_error = true;
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}
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println!("{:?}", diagnostic);
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}
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visited_files.insert(file_id);
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}
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}
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}
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}
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println!();
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println!("diagnostic scan complete");
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if found_error {
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println!();
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Err(anyhow!("diagnostic error detected"))
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} else {
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Ok(())
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}
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}
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