Files
dev/src/natu/ast.rs

93 lines
1.8 KiB
Rust

use crate::FileId;
#[derive(Debug)]
pub struct ParsedFile {
pub file_id: FileId,
pub root: Expr,
pub nodes: Vec<Node>,
pub tokens: Vec<Token>,
pub errors: Vec<ParseError>,
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct Node {
pub range: SourceRange,
pub data: NodeData,
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub struct SourceRange {
pub start: usize,
pub end: usize,
}
impl std::fmt::Display for SourceRange {
fn fmt(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(formatter, "{}..{}", self.start, self.end)
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum NodeData {
Binding(Binding),
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct Binding {
pub range: SourceRange,
pub key: Ident,
pub value: Expr,
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct Ident {
pub name: String,
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum Expr {
Ident(Ident),
Select(Select),
Apply(Apply),
Let {
range: SourceRange,
bindings: Vec<Binding>,
body: Box<Expr>,
},
AttrSet(Vec<Binding>),
Lambda {
parameters: Vec<Ident>,
body: Box<Expr>,
},
Other(Vec<Expr>),
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct Select {
pub receiver: String,
pub attr: Ident,
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct Apply {
pub lambda: Box<Expr>,
pub argument: Box<Expr>,
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct Token {
pub range: SourceRange,
pub data: TokenData,
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum TokenData {
UnquotedUri(String),
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct ParseError {
pub range: SourceRange,
pub message: String,
}