diff options
Diffstat (limited to 'vendor/syn/tests/repo/mod.rs')
| -rw-r--r-- | vendor/syn/tests/repo/mod.rs | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/vendor/syn/tests/repo/mod.rs b/vendor/syn/tests/repo/mod.rs new file mode 100644 index 0000000..6aedd2c --- /dev/null +++ b/vendor/syn/tests/repo/mod.rs @@ -0,0 +1,375 @@ +#![allow(clippy::manual_assert)] + +mod progress; + +use self::progress::Progress; +use anyhow::Result; +use flate2::read::GzDecoder; +use rayon::iter::{IntoParallelRefIterator, ParallelIterator}; +use std::collections::BTreeSet; +use std::ffi::OsStr; +use std::fs; +use std::path::{Path, PathBuf}; +use tar::Archive; +use walkdir::{DirEntry, WalkDir}; + +const REVISION: &str = "b10cfcd65fd7f7b1ab9beb34798b2108de003452"; + +#[rustfmt::skip] +static EXCLUDE_FILES: &[&str] = &[ + // TODO: CStr literals: c"…", cr"…" + // https://github.com/dtolnay/syn/issues/1502 + "src/tools/clippy/tests/ui/needless_raw_string.rs", + "src/tools/clippy/tests/ui/needless_raw_string_hashes.rs", + "src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0085_expr_literals.rs", + + // TODO: explicit tail calls: `become _g()` + // https://github.com/dtolnay/syn/issues/1501 + "tests/ui/explicit-tail-calls/return-lifetime-sub.rs", + + // TODO: non-lifetime binders: `where for<'a, T> &'a Struct<T>: Trait` + // https://github.com/dtolnay/syn/issues/1435 + "src/tools/rustfmt/tests/source/issue_5721.rs", + "src/tools/rustfmt/tests/source/non-lifetime-binders.rs", + "src/tools/rustfmt/tests/target/issue_5721.rs", + "src/tools/rustfmt/tests/target/non-lifetime-binders.rs", + "tests/rustdoc-json/non_lifetime_binders.rs", + "tests/rustdoc/inline_cross/auxiliary/non_lifetime_binders.rs", + "tests/rustdoc/non_lifetime_binders.rs", + + // TODO: return type notation: `where T: Trait<method(): Send>` + // https://github.com/dtolnay/syn/issues/1434 + "src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0208_associated_return_type_bounds.rs", + "tests/ui/associated-type-bounds/return-type-notation/basic.rs", + "tests/ui/feature-gates/feature-gate-return_type_notation.rs", + + // TODO: lazy type alias syntax with where-clause in trailing position + // https://github.com/dtolnay/syn/issues/1525 + "tests/rustdoc/typedef-inner-variants-lazy_type_alias.rs", + + // TODO: gen blocks and functions + // https://github.com/dtolnay/syn/issues/1526 + "compiler/rustc_codegen_cranelift/example/gen_block_iterate.rs", + "tests/ui/coroutine/gen_block_is_iter.rs", + "tests/ui/coroutine/gen_block_iterate.rs", + + // TODO: struct literal in match guard + // https://github.com/dtolnay/syn/issues/1527 + "tests/ui/parser/struct-literal-in-match-guard.rs", + + // Compile-fail expr parameter in const generic position: f::<1 + 2>() + "tests/ui/const-generics/early/closing-args-token.rs", + "tests/ui/const-generics/early/const-expression-parameter.rs", + + // Compile-fail variadics in not the last position of a function parameter list + "tests/ui/parser/variadic-ffi-syntactic-pass.rs", + + // Need at least one trait in impl Trait, no such type as impl 'static + "tests/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.rs", + + // Negative polarity trait bound: `where T: !Copy` + "src/tools/rustfmt/tests/target/negative-bounds.rs", + + // Lifetime bound inside for<>: `T: ~const ?for<'a: 'b> Trait<'a>` + "tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-syntax.rs", + + // Const impl that is not a trait impl: `impl ~const T {}` + "tests/ui/rfcs/rfc-2632-const-trait-impl/syntax.rs", + + // Deprecated anonymous parameter syntax in traits + "src/tools/rustfmt/tests/source/trait.rs", + "src/tools/rustfmt/tests/target/trait.rs", + "tests/ui/issues/issue-13105.rs", + "tests/ui/issues/issue-13775.rs", + "tests/ui/issues/issue-34074.rs", + "tests/ui/proc-macro/trait-fn-args-2015.rs", + + // Deprecated where-clause location + "src/tools/rustfmt/tests/source/issue_4257.rs", + "src/tools/rustfmt/tests/source/issue_4911.rs", + "src/tools/rustfmt/tests/target/issue_4257.rs", + "src/tools/rustfmt/tests/target/issue_4911.rs", + "tests/pretty/gat-bounds.rs", + "tests/rustdoc/generic-associated-types/gats.rs", + + // Deprecated trait object syntax with parenthesized generic arguments and no dyn keyword + "src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0004_value_parameters_no_patterns.rs", + "src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0104_path_fn_trait_args.rs", + "src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0202_typepathfn_with_coloncolon.rs", + "src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0209_bare_dyn_types_with_paren_as_generic_args.rs", + "src/tools/rustfmt/tests/source/attrib.rs", + "src/tools/rustfmt/tests/source/closure.rs", + "src/tools/rustfmt/tests/source/existential_type.rs", + "src/tools/rustfmt/tests/source/fn-simple.rs", + "src/tools/rustfmt/tests/source/fn_args_layout-vertical.rs", + "src/tools/rustfmt/tests/source/issue-4689/one.rs", + "src/tools/rustfmt/tests/source/issue-4689/two.rs", + "src/tools/rustfmt/tests/source/paths.rs", + "src/tools/rustfmt/tests/source/structs.rs", + "src/tools/rustfmt/tests/target/attrib.rs", + "src/tools/rustfmt/tests/target/closure.rs", + "src/tools/rustfmt/tests/target/existential_type.rs", + "src/tools/rustfmt/tests/target/fn-simple.rs", + "src/tools/rustfmt/tests/target/fn.rs", + "src/tools/rustfmt/tests/target/fn_args_layout-vertical.rs", + "src/tools/rustfmt/tests/target/issue-4689/one.rs", + "src/tools/rustfmt/tests/target/issue-4689/two.rs", + "src/tools/rustfmt/tests/target/paths.rs", + "src/tools/rustfmt/tests/target/structs.rs", + "tests/codegen-units/item-collection/non-generic-closures.rs", + "tests/debuginfo/recursive-enum.rs", + "tests/pretty/closure-reform-pretty.rs", + "tests/run-make/reproducible-build-2/reproducible-build.rs", + "tests/run-make/reproducible-build/reproducible-build.rs", + "tests/ui/auxiliary/typeid-intrinsic-aux1.rs", + "tests/ui/auxiliary/typeid-intrinsic-aux2.rs", + "tests/ui/impl-trait/generic-with-implicit-hrtb-without-dyn.rs", + "tests/ui/lifetimes/auxiliary/lifetime_bound_will_change_warning_lib.rs", + "tests/ui/lifetimes/bare-trait-object-borrowck.rs", + "tests/ui/lifetimes/bare-trait-object.rs", + "tests/ui/parser/bounds-obj-parens.rs", + + // Invalid unparenthesized range pattern inside slice pattern: `[1..]` + "tests/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.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/0058_range_pat.rs", + "src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0123_param_list_vararg.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/0156_fn_def_param.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/0038_endless_inclusive_range.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" + "compiler/rustc_errors/src/translation.rs", + "src/tools/clippy/tests/ui/needless_return.rs", + "src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0204_yeet_expr.rs", + "tests/pretty/yeet-expr.rs", + "tests/ui/try-trait/yeet-for-option.rs", + "tests/ui/try-trait/yeet-for-result.rs", + + // Edition 2015 code using identifiers that are now keywords + // TODO: some of these we should probably parse + "src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0159_try_macro_fallback.rs", + "src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0160_try_macro_rules.rs", + "src/tools/rustfmt/tests/source/configs/indent_style/block_call.rs", + "src/tools/rustfmt/tests/source/configs/use_try_shorthand/false.rs", + "src/tools/rustfmt/tests/source/configs/use_try_shorthand/true.rs", + "src/tools/rustfmt/tests/source/issue_1306.rs", + "src/tools/rustfmt/tests/source/try-conversion.rs", + "src/tools/rustfmt/tests/target/configs/indent_style/block_call.rs", + "src/tools/rustfmt/tests/target/configs/use_try_shorthand/false.rs", + "src/tools/rustfmt/tests/target/issue-1681.rs", + "src/tools/rustfmt/tests/target/issue_1306.rs", + "tests/ui/dyn-keyword/dyn-2015-no-warnings-without-lints.rs", + "tests/ui/editions/edition-keywords-2015-2015.rs", + "tests/ui/editions/edition-keywords-2015-2018.rs", + "tests/ui/lint/lint_pre_expansion_extern_module_aux.rs", + "tests/ui/macros/macro-comma-support-rpass.rs", + "tests/ui/macros/try-macro.rs", + "tests/ui/parser/extern-crate-async.rs", + "tests/ui/try-block/try-is-identifier-edition2015.rs", + + // Excessive nesting + "tests/ui/issues/issue-74564-if-expr-stack-overflow.rs", + + // Testing tools on invalid syntax + "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", + "tests/run-make/translation/test.rs", + "tests/ui/generics/issue-94432-garbage-ice.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", + + // Not actually test cases + "tests/ui/lint/expansion-time-include.rs", + "tests/ui/macros/auxiliary/macro-comma-support.rs", + "tests/ui/macros/auxiliary/macro-include-items-expr.rs", + "tests/ui/macros/include-single-expr-helper.rs", + "tests/ui/macros/include-single-expr-helper-1.rs", + "tests/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", +]; + +// Directories in which a .stderr implies the corresponding .rs is not expected +// to work. +static UI_TEST_DIRS: &[&str] = &["tests/ui", "tests/rustdoc-ui"]; + +pub fn for_each_rust_file(for_each: impl Fn(&Path) + Sync + Send) { + let mut rs_files = BTreeSet::new(); + + let repo_dir = Path::new("tests/rust"); + for entry in WalkDir::new(repo_dir) + .into_iter() + .filter_entry(base_dir_filter) + { + let entry = entry.unwrap(); + if !entry.file_type().is_dir() { + rs_files.insert(entry.into_path()); + } + } + + for ui_test_dir in UI_TEST_DIRS { + for entry in WalkDir::new(repo_dir.join(ui_test_dir)) { + let mut path = entry.unwrap().into_path(); + if path.extension() == Some(OsStr::new("stderr")) { + loop { + rs_files.remove(&path.with_extension("rs")); + path = path.with_extension(""); + if path.extension().is_none() { + break; + } + } + } + } + } + + rs_files.par_iter().map(PathBuf::as_path).for_each(for_each); +} + +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() != Some(OsStr::new("rs")) { + 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"); + + let mut exclude_files_set = BTreeSet::new(); + for exclude in EXCLUDE_FILES { + if !exclude_files_set.insert(exclude) { + panic!("duplicate path in EXCLUDE_FILES: {}", exclude); + } + for dir in EXCLUDE_DIRS { + if Path::new(exclude).starts_with(dir) { + panic!("excluded file {} is inside an excluded dir", exclude); + } + } + if !test_src.join(exclude).is_file() { + missing += "\ntests/rust/"; + missing += exclude; + } + } + + let mut exclude_dirs_set = BTreeSet::new(); + for exclude in EXCLUDE_DIRS { + if !exclude_dirs_set.insert(exclude) { + panic!("duplicate path in EXCLUDE_DIRS: {}", exclude); + } + 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(()) +} |