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remove UnsupportedPattern variant in mono patterns

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This commit is contained in:
Folkert 2020-12-29 00:48:56 +01:00
parent fefb1f3739
commit f8e04619b8
5 changed files with 31 additions and 25 deletions
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14
compiler/mono/src/ir.rs
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@ -4699,10 +4699,6 @@ fn store_pattern<'a>(
RecordDestructure(_, _) => {
unreachable!("a record destructure must always occur on a struct layout");
}
UnsupportedPattern(_region) => {
return Err(&"unsupported pattern");
}
}
Ok(stmt)
@ -5466,11 +5462,6 @@ pub enum Pattern<'a> {
layout: Layout<'a>,
union: crate::exhaustive::Union,
},
// Runtime Exceptions
// Shadowed(Region, Located<Ident>),
// Example: (5 = 1 + 2) is an unsupported pattern in an assignment; Int patterns aren't allowed in assignments!
UnsupportedPattern(Region),
}
#[derive(Clone, Debug, PartialEq)]
@ -5512,10 +5503,11 @@ pub fn from_can_pattern<'a>(
original_region: *region,
shadow: ident.clone(),
}),
UnsupportedPattern(region) => Ok(Pattern::UnsupportedPattern(*region)),
UnsupportedPattern(region) => Err(RuntimeError::UnsupportedPattern(*region)),
MalformedPattern(_problem, region) => {
// TODO preserve malformed problem information here?
Ok(Pattern::UnsupportedPattern(*region))
Err(RuntimeError::UnsupportedPattern(*region))
}
NumLiteral(var, num) => match num_argument_to_int_or_float(env.subs, *var) {
IntOrFloat::IntType => Ok(Pattern::IntLiteral(*num)),