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Implement parsing for tuple accessor functions (.1, .2, etc)

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Step 2 of N toward implementing #4465
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Joshua Warner 2022-11-08 19:32:14 -05:00
parent 07efb32173
commit f4ce4bf983
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GPG key ID: 89AD497003F93FDD
19 changed files with 144 additions and 55 deletions
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15
crates/compiler/parse/src/expr.rs
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@ -147,7 +147,7 @@ fn loc_expr_in_parens_etc_help<'a>() -> impl Parser<'a, Loc<Expr<'a>>, EExpr<'a>
// Wrap the previous answer in the new one, so we end up
// with a nested Expr. That way, `foo.bar.baz` gets represented
// in the AST as if it had been written (foo.bar).baz all along.
value = Expr::Access(arena.alloc(value), field);
value = Expr::RecordAccess(arena.alloc(value), field);
}
}
@ -1868,8 +1868,10 @@ fn expr_to_pattern_help<'a>(arena: &'a Bump, expr: &Expr<'a>) -> Result<Pattern<
is_negative: *is_negative,
}),
// These would not have parsed as patterns
Expr::AccessorFunction(_)
| Expr::Access(_, _)
Expr::RecordAccessorFunction(_)
| Expr::RecordAccess(_, _)
| Expr::TupleAccessorFunction(_)
| Expr::TupleAccess(_, _)
| Expr::List { .. }
| Expr::Closure(_, _)
| Expr::Backpassing(_, _, _)
@ -2417,12 +2419,13 @@ fn ident_to_expr<'a>(arena: &'a Bump, src: Ident<'a>) -> Expr<'a> {
// Wrap the previous answer in the new one, so we end up
// with a nested Expr. That way, `foo.bar.baz` gets represented
// in the AST as if it had been written (foo.bar).baz all along.
answer = Expr::Access(arena.alloc(answer), field);
answer = Expr::RecordAccess(arena.alloc(answer), field);
}
answer
}
Ident::AccessorFunction(string) => Expr::AccessorFunction(string),
Ident::RecordAccessorFunction(string) => Expr::RecordAccessorFunction(string),
Ident::TupleAccessorFunction(string) => Expr::TupleAccessorFunction(string),
Ident::Malformed(string, problem) => Expr::MalformedIdent(string, problem),
}
}
@ -2595,7 +2598,7 @@ fn record_literal_help<'a>() -> impl Parser<'a, Expr<'a>, EExpr<'a>> {
// Wrap the previous answer in the new one, so we end up
// with a nested Expr. That way, `foo.bar.baz` gets represented
// in the AST as if it had been written (foo.bar).baz all along.
value = Expr::Access(arena.alloc(value), field);
value = Expr::RecordAccess(arena.alloc(value), field);
}
}