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Parse effectful arrow in function annotations

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Agus Zubiaga 2024-09-17 20:41:14 -03:00
parent 1a5776653c
commit ef4eeb5c1a
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30 changed files with 178 additions and 19 deletions
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18
crates/compiler/parse/src/ast.rs
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@ -1530,10 +1530,22 @@ impl ImplementsAbilities<'_> {
}
}
#[derive(Debug, Copy, Clone, PartialEq)]
pub enum FunctionArrow {
/// ->
Pure,
/// =>
Effectful,
}
#[derive(Debug, Copy, Clone, PartialEq)]
pub enum TypeAnnotation<'a> {
/// A function. The types of its arguments, then the type of its return value.
Function(&'a [Loc<TypeAnnotation<'a>>], &'a Loc<TypeAnnotation<'a>>),
/// A function. The types of its arguments, the type of arrow used, then the type of its return value.
Function(
&'a [Loc<TypeAnnotation<'a>>],
FunctionArrow,
&'a Loc<TypeAnnotation<'a>>,
),
/// Applying a type to some arguments (e.g. Map.Map String Int)
Apply(&'a str, &'a str, &'a [Loc<TypeAnnotation<'a>>]),
@ -2755,7 +2767,7 @@ impl<'a> Malformed for ModuleImportParams<'a> {
impl<'a> Malformed for TypeAnnotation<'a> {
fn is_malformed(&self) -> bool {
match self {
TypeAnnotation::Function(args, ret) => {
TypeAnnotation::Function(args, _arrow, ret) => {
args.iter().any(|arg| arg.is_malformed()) || ret.is_malformed()
}
TypeAnnotation::Apply(_, _, args) => args.iter().any(|arg| arg.is_malformed()),