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conlang: Struct, tuple member accesses, member function call syntax

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Currently uses UFCS in the interpreter. This may change after type checking?
This commit is contained in:
John
2024-05-19 13:55:28 -05:00
parent a033e9f33b
commit 8d8928b8a8
8 changed files with 140 additions and 8 deletions
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22
compiler/cl-interpret/src/interpret.rs
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@@ -130,6 +130,7 @@ impl Interpret for ExprKind {
ExprKind::Assign(v) => v.interpret(env),
ExprKind::Binary(v) => v.interpret(env),
ExprKind::Unary(v) => v.interpret(env),
ExprKind::Member(v) => v.interpret(env),
ExprKind::Index(v) => v.interpret(env),
ExprKind::Structor(v) => v.interpret(env),
ExprKind::Path(v) => v.interpret(env),
@@ -256,7 +257,6 @@ impl Interpret for Binary {
BinaryKind::Mul => head * tail,
BinaryKind::Div => head / tail,
BinaryKind::Rem => head % tail,
BinaryKind::Dot => todo!("search within a type's namespace!"),
BinaryKind::Call => match tail {
ConValue::Empty => head.call(env, &[]),
ConValue::Tuple(args) => head.call(env, &args),
@@ -313,6 +313,26 @@ impl Interpret for Unary {
}
}
}
impl Interpret for Member {
fn interpret(&self, env: &mut Environment) -> IResult<ConValue> {
let Member { head, kind } = self;
let head = head.interpret(env)?;
match (head, kind) {
(ConValue::Tuple(v), MemberKind::Tuple(Literal::Int(id))) => v
.get(*id as usize)
.cloned()
.ok_or(Error::OobIndex(*id as usize, v.len())),
(head, MemberKind::Call(name, args)) => {
let mut values = vec![head];
for arg in &args.exprs {
values.push(arg.interpret(env)?);
}
env.call(name.0, &values)
}
_ => Err(Error::TypeError)?,
}
}
}
impl Interpret for Index {
fn interpret(&self, env: &mut Environment) -> IResult<ConValue> {
let Self { head, indices } = self;