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Update lib.rs

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This commit is contained in:
Natapat Samutpong 2022-03-10 14:50:46 +07:00
parent 7f28b2f8df
commit 0743717ce5
1 changed files with 7 additions and 5 deletions
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12
crates/parser/src/lib.rs
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@ -6,12 +6,12 @@ pub type Spanned<T> = (T, std::ops::Range<usize>);
#[derive(Clone, Debug)]
pub enum Expr {
Int(i64), Float(f64), Boolean(bool),
String(String), Identifier(String),
String(String), Identifier(String),
Unary { op: String, rhs: Box<Spanned<Self>> },
Binary { lhs: Box<Spanned<Self>>, op: String, rhs: Box<Spanned<Self>> },
Call { name: Box<Spanned<Self>>, args: Spanned<Vec<Spanned<Self>>> },
Let {
name: String,
type_hint: String,
@ -24,7 +24,7 @@ pub enum Expr {
body: Box<Spanned<Self>>
},
Return { expr: Box<Spanned<Self>> },
If {
cond: Box<Spanned<Self>>,
then: Box<Spanned<Self>>,
@ -69,13 +69,15 @@ fn expr_parser() -> impl Parser<Token, Vec<Spanned<Expr>>, Error = Simple<Token>
)
.repeated()
)
.foldl(|name, args| {(
.foldl(|name, args| {
(
Expr::Call {
name: Box::new(name.clone()),
args: (args, name.1.clone()),
},
name.1,
)});
)
});
let unary = choice((
just(Token::Plus),