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mod.rs
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mod.rs
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#![allow(clippy::manual_assert)]
mod progress;
use self::progress::Progress;
use anyhow::Result;
use flate2::read::GzDecoder;
use std::fs;
use std::path::Path;
use tar::Archive;
use walkdir::DirEntry;
const REVISION: &str = "98ad6a5519651af36e246c0335c964dd52c554ba";
#[rustfmt::skip]
static EXCLUDE_FILES: &[&str] = &[
// TODO: impl ~const T {}
// https://github.com/dtolnay/syn/issues/1051
"src/test/ui/rfc-2632-const-trait-impl/syntax.rs",
// Compile-fail expr parameter in const generic position: f::<1 + 2>()
"src/test/ui/const-generics/early/closing-args-token.rs",
"src/test/ui/const-generics/early/const-expression-parameter.rs",
// Need at least one trait in impl Trait, no such type as impl 'static
"src/test/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.rs",
// Deprecated anonymous parameter syntax in traits
"src/test/ui/issues/issue-13105.rs",
"src/test/ui/issues/issue-13775.rs",
"src/test/ui/issues/issue-34074.rs",
"src/test/ui/proc-macro/trait-fn-args-2015.rs",
"src/tools/rustfmt/tests/source/trait.rs",
"src/tools/rustfmt/tests/target/trait.rs",
// Various extensions to Rust syntax made up by rust-analyzer
"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0012_type_item_where_clause.rs",
"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0040_crate_keyword_vis.rs",
"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0131_existential_type.rs",
"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0179_use_tree_abs_star.rs",
"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0188_const_param_default_path.rs",
"src/tools/rust-analyzer/crates/parser/test_data/parser/ok/0015_use_tree.rs",
"src/tools/rust-analyzer/crates/parser/test_data/parser/ok/0029_range_forms.rs",
"src/tools/rust-analyzer/crates/parser/test_data/parser/ok/0051_parameter_attrs.rs",
"src/tools/rust-analyzer/crates/parser/test_data/parser/ok/0055_dot_dot_dot.rs",
"src/tools/rust-analyzer/crates/parser/test_data/parser/ok/0068_item_modifiers.rs",
"src/tools/rust-analyzer/crates/syntax/test_data/parser/validation/0031_block_inner_attrs.rs",
"src/tools/rust-analyzer/crates/syntax/test_data/parser/validation/0045_ambiguous_trait_object.rs",
"src/tools/rust-analyzer/crates/syntax/test_data/parser/validation/0046_mutable_const_item.rs",
// Placeholder syntax for "throw expressions"
"src/test/pretty/yeet-expr.rs",
"src/test/ui/try-trait/yeet-for-option.rs",
"src/test/ui/try-trait/yeet-for-result.rs",
// Excessive nesting
"src/test/ui/issues/issue-74564-if-expr-stack-overflow.rs",
// Testing tools on invalid syntax
"src/test/run-make/translation/test.rs",
"src/test/ui/generics/issue-94432-garbage-ice.rs",
"src/tools/rustfmt/tests/coverage/target/comments.rs",
"src/tools/rustfmt/tests/parser/issue-4126/invalid.rs",
"src/tools/rustfmt/tests/parser/issue_4418.rs",
"src/tools/rustfmt/tests/parser/unclosed-delims/issue_4466.rs",
"src/tools/rustfmt/tests/source/configs/disable_all_formatting/true.rs",
"src/tools/rustfmt/tests/source/configs/spaces_around_ranges/false.rs",
"src/tools/rustfmt/tests/source/configs/spaces_around_ranges/true.rs",
"src/tools/rustfmt/tests/source/type.rs",
"src/tools/rustfmt/tests/target/configs/spaces_around_ranges/false.rs",
"src/tools/rustfmt/tests/target/configs/spaces_around_ranges/true.rs",
"src/tools/rustfmt/tests/target/type.rs",
// Generated file containing a top-level expression, used with `include!`
"compiler/rustc_codegen_gcc/src/intrinsic/archs.rs",
// Clippy lint lists represented as expressions
"src/tools/clippy/clippy_lints/src/lib.deprecated.rs",
"src/tools/clippy/clippy_lints/src/lib.register_all.rs",
"src/tools/clippy/clippy_lints/src/lib.register_cargo.rs",
"src/tools/clippy/clippy_lints/src/lib.register_complexity.rs",
"src/tools/clippy/clippy_lints/src/lib.register_correctness.rs",
"src/tools/clippy/clippy_lints/src/lib.register_internal.rs",
"src/tools/clippy/clippy_lints/src/lib.register_lints.rs",
"src/tools/clippy/clippy_lints/src/lib.register_nursery.rs",
"src/tools/clippy/clippy_lints/src/lib.register_pedantic.rs",
"src/tools/clippy/clippy_lints/src/lib.register_perf.rs",
"src/tools/clippy/clippy_lints/src/lib.register_restriction.rs",
"src/tools/clippy/clippy_lints/src/lib.register_style.rs",
"src/tools/clippy/clippy_lints/src/lib.register_suspicious.rs",
// Not actually test cases
"src/test/ui/lint/expansion-time-include.rs",
"src/test/ui/macros/auxiliary/macro-comma-support.rs",
"src/test/ui/macros/auxiliary/macro-include-items-expr.rs",
"src/test/ui/macros/include-single-expr-helper.rs",
"src/test/ui/macros/include-single-expr-helper-1.rs",
"src/test/ui/parser/issues/auxiliary/issue-21146-inc.rs",
];
#[rustfmt::skip]
static EXCLUDE_DIRS: &[&str] = &[
// Inputs that intentionally do not parse
"src/tools/rust-analyzer/crates/parser/test_data/parser/err",
"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/err",
// Inputs that lex but do not necessarily parse
"src/tools/rust-analyzer/crates/parser/test_data/lexer",
// Inputs that used to crash rust-analyzer, but aren't necessarily supposed to parse
"src/tools/rust-analyzer/crates/syntax/test_data/parser/fuzz-failures",
"src/tools/rust-analyzer/crates/syntax/test_data/reparse/fuzz-failures",
];
pub fn base_dir_filter(entry: &DirEntry) -> bool {
let path = entry.path();
let mut path_string = path.to_string_lossy();
if cfg!(windows) {
path_string = path_string.replace('\\', "/").into();
}
let path_string = if path_string == "tests/rust" {
return true;
} else if let Some(path) = path_string.strip_prefix("tests/rust/") {
path
} else {
panic!("unexpected path in Rust dist: {}", path_string);
};
if path.is_dir() {
return !EXCLUDE_DIRS.contains(&path_string);
}
if path.extension().map_or(true, |e| e != "rs") {
return false;
}
if path_string.starts_with("src/test/ui") || path_string.starts_with("src/test/rustdoc-ui") {
let stderr_path = path.with_extension("stderr");
if stderr_path.exists() {
// Expected to fail in some way
return false;
}
}
!EXCLUDE_FILES.contains(&path_string)
}
#[allow(dead_code)]
pub fn edition(path: &Path) -> &'static str {
if path.ends_with("dyn-2015-no-warnings-without-lints.rs") {
"2015"
} else {
"2018"
}
}
pub fn clone_rust() {
let needs_clone = match fs::read_to_string("tests/rust/COMMIT") {
Err(_) => true,
Ok(contents) => contents.trim() != REVISION,
};
if needs_clone {
download_and_unpack().unwrap();
}
let mut missing = String::new();
let test_src = Path::new("tests/rust");
for exclude in EXCLUDE_FILES {
if !test_src.join(exclude).is_file() {
missing += "\ntests/rust/";
missing += exclude;
}
}
for exclude in EXCLUDE_DIRS {
if !test_src.join(exclude).is_dir() {
missing += "\ntests/rust/";
missing += exclude;
missing += "/";
}
}
if !missing.is_empty() {
panic!("excluded test file does not exist:{}\n", missing);
}
}
fn download_and_unpack() -> Result<()> {
let url = format!(
"https://github.com/rust-lang/rust/archive/{}.tar.gz",
REVISION
);
let response = reqwest::blocking::get(&url)?.error_for_status()?;
let progress = Progress::new(response);
let decoder = GzDecoder::new(progress);
let mut archive = Archive::new(decoder);
let prefix = format!("rust-{}", REVISION);
let tests_rust = Path::new("tests/rust");
if tests_rust.exists() {
fs::remove_dir_all(tests_rust)?;
}
for entry in archive.entries()? {
let mut entry = entry?;
let path = entry.path()?;
if path == Path::new("pax_global_header") {
continue;
}
let relative = path.strip_prefix(&prefix)?;
let out = tests_rust.join(relative);
entry.unpack(&out)?;
}
fs::write("tests/rust/COMMIT", REVISION)?;
Ok(())
}