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Implement parser & type-checker for tuple indexes.

Browse Source 
```aiken
  fn foo() {
    let tuple = #(1, 2, 3, 4)
    tuple.1st + tuple.2nd + tuple.3rd + tuple.4th
  }
  ```
This commit is contained in:
KtorZ
2022-12-21 19:24:27 +01:00
parent 7867793bcd
commit bf7cdfba73
13 changed files with 287 additions and 42 deletions
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103
crates/aiken-lang/src/tests/parser.rs
View File

@@ -1436,3 +1436,106 @@ fn record_create_unlabeled() {
}),
)
}
#[test]
fn parse_tuple() {
let code = indoc! {r#"
fn foo() {
let tuple = #(1, 2, 3, 4)
tuple.1st + tuple.2nd + tuple.3rd + tuple.4th
}
"#};
assert_definition(
code,
ast::UntypedDefinition::Fn(Function {
arguments: vec![],
body: expr::UntypedExpr::Sequence {
location: Span::new((), 13..86),
expressions: vec![
expr::UntypedExpr::Assignment {
location: Span::new((), 13..38),
value: Box::new(expr::UntypedExpr::Tuple {
location: Span::new((), 25..38),
elems: vec![
expr::UntypedExpr::Int {
location: Span::new((), 27..28),
value: "1".to_string(),
},
expr::UntypedExpr::Int {
location: Span::new((), 30..31),
value: "2".to_string(),
},
expr::UntypedExpr::Int {
location: Span::new((), 33..34),
value: "3".to_string(),
},
expr::UntypedExpr::Int {
location: Span::new((), 36..37),
value: "4".to_string(),
},
],
}),
pattern: ast::Pattern::Var {
location: Span::new((), 17..22),
name: "tuple".to_string(),
},
kind: ast::AssignmentKind::Let,
annotation: None,
},
expr::UntypedExpr::BinOp {
location: Span::new((), 41..86),
name: ast::BinOp::AddInt,
left: Box::new(expr::UntypedExpr::BinOp {
location: Span::new((), 41..74),
name: ast::BinOp::AddInt,
left: Box::new(expr::UntypedExpr::BinOp {
location: Span::new((), 41..62),
name: ast::BinOp::AddInt,
left: Box::new(expr::UntypedExpr::TupleIndex {
location: Span::new((), 41..50),
index: 0,
tuple: Box::new(expr::UntypedExpr::Var {
location: Span::new((), 41..46),
name: "tuple".to_string(),
}),
}),
right: Box::new(expr::UntypedExpr::TupleIndex {
location: Span::new((), 53..62),
index: 1,
tuple: Box::new(expr::UntypedExpr::Var {
location: Span::new((), 53..58),
name: "tuple".to_string(),
}),
}),
}),
right: Box::new(expr::UntypedExpr::TupleIndex {
location: Span::new((), 65..74),
index: 2,
tuple: Box::new(expr::UntypedExpr::Var {
location: Span::new((), 65..70),
name: "tuple".to_string(),
}),
}),
}),
right: Box::new(expr::UntypedExpr::TupleIndex {
location: Span::new((), 77..86),
index: 3,
tuple: Box::new(expr::UntypedExpr::Var {
location: Span::new((), 77..82),
name: "tuple".to_string(),
}),
}),
},
],
},
doc: None,
location: Span::new((), 0..8),
name: "foo".to_string(),
public: false,
return_annotation: None,
return_type: (),
end_position: 87,
}),
)
}