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empty or pattern message

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This commit is contained in:
Folkert 2021-02-20 16:44:29 +01:00
parent 576b7974e8
commit a6fbf55390
2 changed files with 49 additions and 2 deletions
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21
compiler/reporting/src/error/parse.rs
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@ -198,6 +198,7 @@ fn to_when_report<'a>(
}
_ => to_syntax_report(alloc, filename, nested, row, col),
},
When::Pattern(ref pat, row, col) => to_pattern_report(alloc, filename, pat, row, col),
_ => todo!("unhandled parse error: {:?}", parse_problem),
}
}
@ -206,12 +207,28 @@ fn to_pattern_report<'a>(
alloc: &'a RocDocAllocator<'a>,
filename: PathBuf,
parse_problem: &roc_parse::parser::EPattern<'a>,
_start_row: Row,
_start_col: Col,
start_row: Row,
start_col: Col,
) -> Report<'a> {
use roc_parse::parser::EPattern;
match parse_problem {
EPattern::Start(row, col) => {
let surroundings = Region::from_rows_cols(start_row, start_col, *row, *col);
let region = Region::from_row_col(*row, *col);
let doc = alloc.stack(vec![
alloc.reflow(r"I just started parsing a pattern, but I got stuck here:"),
alloc.region_with_subregion(surroundings, region),
alloc.note("I may be confused by indentation"),
]);
Report {
filename,
doc,
title: "UNFINISHED PATTERN".to_string(),
}
}
EPattern::Record(record, row, col) => {
to_precord_report(alloc, filename, &record, *row, *col)
}