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fix: improve match error messages

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This commit is contained in:
Shunsuke Shibayama 2023-03-17 00:13:43 +09:00
parent a7ff798c6d
commit 3ff0eb8f65
2 changed files with 16 additions and 4 deletions
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16
crates/erg_compiler/error/tycheck.rs
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@ -409,15 +409,23 @@ impl TyCheckError {
loc: Location,
caused_by: String,
expr_t: &Type,
union_pat_t: &Type,
arm_ts: Vec<Type>,
) -> Self {
let arms = arm_ts
.into_iter()
.enumerate()
.fold("".to_string(), |acc, (i, t)| {
acc + &format!("{} arm type: {t}\n", ordinal_num(i + 1))
});
Self::new(
ErrorCore::new(
vec![SubMessage::only_loc(loc)],
switch_lang!(
"japanese" => format!("{expr_t}型の全パターンを網羅していません"),
"simplified_chinese" => format!("并非所有{expr_t}类型的模式都被涵盖"),
"traditional_chinese" => format!("並非所有{expr_t}類型的模式都被涵蓋"),
"english" => format!("not all patterns of type {expr_t} are covered"),
"japanese" => format!("{expr_t}型の全パターンを網羅していません\nunion type: {union_pat_t}\n{arms}"),
"simplified_chinese" => format!("并非所有{expr_t}类型的模式都被涵盖\nunion type: {union_pat_t}\n{arms}"),
"traditional_chinese" => format!("並非所有{expr_t}類型的模式都被涵蓋\nunion type: {union_pat_t}\n{arms}"),
"english" => format!("not all patterns of type {expr_t} are covered\nunion type: {union_pat_t}\n{arms}"),
),
errno,
TypeError,