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Set a better error msg for non uft8 encoded files

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jecaro 2023-11-13 14:30:08 +01:00
parent c8badb0782
commit 0781232940
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1 changed files with 25 additions and 15 deletions
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40
crates/reporting/src/error/parse.rs
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@ -3205,21 +3205,31 @@ fn to_header_report<'a>(
let surroundings = Region::new(start, *pos);
let region = LineColumnRegion::from_pos(lines.convert_pos(*pos));
let doc = alloc.stack([
alloc.reflow(r"I am expecting a header, but got stuck here:"),
alloc.region_with_subregion(lines.convert_region(surroundings), region),
alloc.concat([
alloc.reflow("I am expecting a module keyword next, one of "),
alloc.keyword("interface"),
alloc.reflow(", "),
alloc.keyword("app"),
alloc.reflow(", "),
alloc.keyword("package"),
alloc.reflow(" or "),
alloc.keyword("platform"),
alloc.reflow("."),
]),
]);
let is_utf8 = alloc
.src_lines
.iter()
.all(|line| std::str::from_utf8(line.as_bytes()).is_ok());
let preamble = if is_utf8 {
vec![
alloc.reflow(r"I am expecting a header, but got stuck here:"),
alloc.region_with_subregion(lines.convert_region(surroundings), region),
]
} else {
vec![alloc.reflow(r"I am expecting a header, but the file is not UTF-8 encoded.")]
};
let doc = alloc.stack(preamble.into_iter().chain([alloc.concat([
alloc.reflow("I am expecting a module keyword next, one of "),
alloc.keyword("interface"),
alloc.reflow(", "),
alloc.keyword("app"),
alloc.reflow(", "),
alloc.keyword("package"),
alloc.reflow(" or "),
alloc.keyword("platform"),
alloc.reflow("."),
])]));
Report {
filename,