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Revise errors for undeclared type vars in aliases

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Richard Feldman 2024-05-12 21:20:11 -04:00
parent e5ea6dc461
commit 8357bd8c91
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4 changed files with 207 additions and 39 deletions
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29
crates/compiler/problem/src/can.rs
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@ -76,7 +76,7 @@ pub enum Problem {
variable_name: Lowercase,
alias_kind: AliasKind,
},
UnboundTypeVariable {
UndeclaredTypeVar {
typ: Symbol,
num_unbound: usize,
one_occurrence: Region,
@ -99,7 +99,6 @@ pub enum Problem {
record_region: Region,
field_region: Region,
},
DuplicateTag {
tag_name: TagName,
tag_union_region: Region,
@ -225,6 +224,18 @@ pub enum Problem {
filename: PathBuf,
error: io::ErrorKind,
},
WildcardNotAllowed {
typ: Symbol,
num_wildcards: usize,
one_occurrence: Region,
kind: AliasKind,
},
UnderscoreNotAllowed {
typ: Symbol,
num_underscores: usize,
one_occurrence: Region,
kind: AliasKind,
},
}
impl Problem {
@ -249,7 +260,9 @@ impl Problem {
Problem::CyclicAlias(..) => RuntimeError,
Problem::BadRecursion(_) => RuntimeError,
Problem::PhantomTypeArgument { .. } => Warning,
Problem::UnboundTypeVariable { .. } => RuntimeError,
Problem::UndeclaredTypeVar { .. } => RuntimeError,
Problem::WildcardNotAllowed { .. } => RuntimeError,
Problem::UnderscoreNotAllowed { .. } => RuntimeError,
Problem::DuplicateRecordFieldValue { .. } => Warning,
Problem::DuplicateRecordFieldType { .. } => RuntimeError,
Problem::InvalidOptionalValue { .. } => RuntimeError,
@ -330,7 +343,15 @@ impl Problem {
variable_region: region,
..
}
| Problem::UnboundTypeVariable {
| Problem::WildcardNotAllowed {
one_occurrence: region,
..
}
| Problem::UnderscoreNotAllowed {
one_occurrence: region,
..
}
| Problem::UndeclaredTypeVar {
one_occurrence: region,
..
}