Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/ide_db/src/tests/sourcegen_lint_completions.rs')
| -rw-r--r-- | crates/ide_db/src/tests/sourcegen_lint_completions.rs | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/crates/ide_db/src/tests/sourcegen_lint_completions.rs b/crates/ide_db/src/tests/sourcegen_lint_completions.rs deleted file mode 100644 index ed3ac7203b..0000000000 --- a/crates/ide_db/src/tests/sourcegen_lint_completions.rs +++ /dev/null @@ -1,167 +0,0 @@ -//! Generates descriptors structure for unstable feature from Unstable Book -use std::{borrow::Cow, fs, path::Path}; - -use stdx::format_to; -use test_utils::project_root; -use xshell::cmd; - -/// This clones rustc repo, and so is not worth to keep up-to-date. We update -/// manually by un-ignoring the test from time to time. -#[test] -#[ignore] -fn sourcegen_lint_completions() { - let rust_repo = project_root().join("./target/rust"); - if !rust_repo.exists() { - cmd!("git clone --depth=1 https://github.com/rust-lang/rust {rust_repo}").run().unwrap(); - } - - let mut contents = r" -pub struct Lint { - pub label: &'static str, - pub description: &'static str, -} -" - .to_string(); - generate_lint_descriptor(&mut contents); - contents.push('\n'); - - generate_feature_descriptor(&mut contents, &rust_repo.join("src/doc/unstable-book/src")); - contents.push('\n'); - - let lints_json = project_root().join("./target/clippy_lints.json"); - cmd!("curl https://rust-lang.github.io/rust-clippy/master/lints.json --output {lints_json}") - .run() - .unwrap(); - generate_descriptor_clippy(&mut contents, &lints_json); - - let contents = - sourcegen::add_preamble("sourcegen_lint_completions", sourcegen::reformat(contents)); - - let destination = project_root().join("crates/ide_db/src/helpers/generated_lints.rs"); - sourcegen::ensure_file_contents(destination.as_path(), &contents); -} - -fn generate_lint_descriptor(buf: &mut String) { - let stdout = cmd!("rustc -W help").read().unwrap(); - let start_lints = stdout.find("---- ------- -------").unwrap(); - let start_lint_groups = stdout.find("---- ---------").unwrap(); - let end_lints = stdout.find("Lint groups provided by rustc:").unwrap(); - let end_lint_groups = stdout - .find("Lint tools like Clippy can provide additional lints and lint groups.") - .unwrap(); - buf.push_str(r#"pub const DEFAULT_LINTS: &[Lint] = &["#); - buf.push('\n'); - let mut lints = stdout[start_lints..end_lints] - .lines() - .skip(1) - .filter(|l| !l.is_empty()) - .map(|line| { - let (name, rest) = line.trim().split_once(char::is_whitespace).unwrap(); - let (_default_level, description) = - rest.trim().split_once(char::is_whitespace).unwrap(); - (name.trim(), Cow::Borrowed(description.trim())) - }) - .collect::<Vec<_>>(); - lints.extend( - stdout[start_lint_groups..end_lint_groups].lines().skip(1).filter(|l| !l.is_empty()).map( - |line| { - let (name, lints) = line.trim().split_once(char::is_whitespace).unwrap(); - (name.trim(), format!("lint group for: {}", lints.trim()).into()) - }, - ), - ); - - lints.sort_by(|(ident, _), (ident2, _)| ident.cmp(ident2)); - lints.into_iter().for_each(|(name, description)| { - push_lint_completion(buf, &name.replace("-", "_"), &description) - }); - buf.push_str("];\n"); -} - -fn generate_feature_descriptor(buf: &mut String, src_dir: &Path) { - let mut features = ["language-features", "library-features"] - .iter() - .flat_map(|it| sourcegen::list_files(&src_dir.join(it))) - .filter(|path| { - // Get all `.md ` files - path.extension().unwrap_or_default().to_str().unwrap_or_default() == "md" - }) - .map(|path| { - let feature_ident = path.file_stem().unwrap().to_str().unwrap().replace("-", "_"); - let doc = fs::read_to_string(path).unwrap(); - (feature_ident, doc) - }) - .collect::<Vec<_>>(); - features.sort_by(|(feature_ident, _), (feature_ident2, _)| feature_ident.cmp(feature_ident2)); - - buf.push_str(r#"pub const FEATURES: &[Lint] = &["#); - for (feature_ident, doc) in features.into_iter() { - push_lint_completion(buf, &feature_ident, &doc) - } - buf.push('\n'); - buf.push_str("];\n"); -} - -#[derive(Default)] -struct ClippyLint { - help: String, - id: String, -} - -fn unescape(s: &str) -> String { - s.replace(r#"\""#, "").replace(r#"\n"#, "\n").replace(r#"\r"#, "") -} - -fn generate_descriptor_clippy(buf: &mut String, path: &Path) { - let file_content = std::fs::read_to_string(path).unwrap(); - let mut clippy_lints: Vec<ClippyLint> = Vec::new(); - - for line in file_content.lines().map(|line| line.trim()) { - if line.starts_with(r#""id":"#) { - let clippy_lint = ClippyLint { - id: line - .strip_prefix(r#""id": ""#) - .expect("should be prefixed by id") - .strip_suffix(r#"","#) - .expect("should be suffixed by comma") - .into(), - help: String::new(), - }; - clippy_lints.push(clippy_lint) - } else if line.starts_with(r#""What it does":"#) { - // Typical line to strip: "What is doest": "Here is my useful content", - let prefix_to_strip = r#""What it does": ""#; - let suffix_to_strip = r#"","#; - - let clippy_lint = clippy_lints.last_mut().expect("clippy lint must already exist"); - clippy_lint.help = line - .strip_prefix(prefix_to_strip) - .expect("should be prefixed by what it does") - .strip_suffix(suffix_to_strip) - .map(unescape) - .expect("should be suffixed by comma"); - } - } - clippy_lints.sort_by(|lint, lint2| lint.id.cmp(&lint2.id)); - - buf.push_str(r#"pub const CLIPPY_LINTS: &[Lint] = &["#); - buf.push('\n'); - for clippy_lint in clippy_lints.into_iter() { - let lint_ident = format!("clippy::{}", clippy_lint.id); - let doc = clippy_lint.help; - push_lint_completion(buf, &lint_ident, &doc); - } - buf.push_str("];\n"); -} - -fn push_lint_completion(buf: &mut String, label: &str, description: &str) { - format_to!( - buf, - r###" Lint {{ - label: "{}", - description: r##"{}"## - }},"###, - label, - description - ); -} |