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tidy: Distinguish between two different meanings of "style file"

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This commit is contained in:
Zalathar 2024-11-24 14:45:17 +11:00
parent 15b663e684
commit 2134a7e363
1 changed files with 13 additions and 9 deletions
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22
src/tools/tidy/src/style.rs
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@ -337,12 +337,16 @@ pub fn check(path: &Path, bad: &mut bool) {
.case_insensitive(true)
.build()
.unwrap();
let style_file = Path::new(file!());
// In some cases, a style check would be triggered by its own implementation
// or comments. A simple workaround is to just allowlist this file.
let this_file = Path::new(file!());
walk(path, skip, &mut |entry, contents| {
let file = entry.path();
let filename = file.file_name().unwrap().to_string_lossy();
let is_style_file = filename.ends_with(".css");
let is_css_file = filename.ends_with(".css");
let under_rustfmt = filename.ends_with(".rs") &&
// This list should ideally be sourced from rustfmt.toml but we don't want to add a toml
// parser to tidy.
@ -405,13 +409,13 @@ pub fn check(path: &Path, bad: &mut bool) {
let mut comment_block: Option<(usize, usize)> = None;
let is_test = file.components().any(|c| c.as_os_str() == "tests")
|| file.file_stem().unwrap() == "tests";
let is_style = file.ends_with(style_file) || style_file.ends_with(file);
let is_style_test =
is_test && file.parent().unwrap().ends_with(style_file.with_extension(""));
let is_this_file = file.ends_with(this_file) || this_file.ends_with(file);
let is_test_for_this_file =
is_test && file.parent().unwrap().ends_with(this_file.with_extension(""));
// scanning the whole file for multiple needles at once is more efficient than
// executing lines times needles separate searches.
let any_problematic_line =
!is_style && !is_style_test && problematic_regex.is_match(contents);
!is_this_file && !is_test_for_this_file && problematic_regex.is_match(contents);
for (i, line) in contents.split('\n').enumerate() {
if line.is_empty() {
if i == 0 {
@ -458,19 +462,19 @@ pub fn check(path: &Path, bad: &mut bool) {
"line longer than {max_columns} chars"
);
}
if !is_style_file && line.contains('\t') {
if !is_css_file && line.contains('\t') {
suppressible_tidy_err!(err, skip_tab, "tab character");
}
if line.ends_with(' ') || line.ends_with('\t') {
suppressible_tidy_err!(err, skip_end_whitespace, "trailing whitespace");
}
if is_style_file && line.starts_with(' ') {
if is_css_file && line.starts_with(' ') {
err("CSS files use tabs for indent");
}
if line.contains('\r') {
suppressible_tidy_err!(err, skip_cr, "CR character");
}
if !is_style {
if !is_this_file {
// Allow using TODO in diagnostic suggestions by marking the
// relevant line with `// ignore-tidy-todo`.
if trimmed.contains("TODO") && !trimmed.contains("ignore-tidy-todo") {