harmony_jolt/dsl/
ast.rs

1use super::parser::Parser;
2use super::ParseError;
3
4#[derive(Debug, PartialEq, Eq, Clone)]
5pub enum Lhs {
6    DollarSign(usize, usize),
7    Amp(usize, usize),
8    At(usize, Box<Rhs>),
9    Square(String),
10    /// Bunch of star expressions separated by pipes
11    Pipes(Vec<Stars>),
12    Literal(String),
13}
14
15impl Lhs {
16    pub fn parse(input: &str) -> Result<Self, ParseError> {
17        Parser::new(input).parse_lhs()
18    }
19}
20
21/// Bunch of literals separated by stars
22/// "*" is represented as vec!["", ""]
23#[derive(Debug, PartialEq, Clone, Eq)]
24pub struct Stars(pub Vec<String>);
25
26#[derive(Debug, PartialEq, Clone, Eq)]
27pub struct Rhs(pub Vec<RhsPart>);
28
29#[derive(Debug, PartialEq, Clone, Eq)]
30pub enum RhsPart {
31    Index(IndexOp),
32    CompositeKey(Vec<RhsEntry>),
33    Key(RhsEntry),
34}
35
36#[derive(Debug, PartialEq, Clone, Eq)]
37pub enum RhsEntry {
38    Amp(usize, usize),
39    At(usize, Box<Rhs>),
40    Key(String),
41}
42
43#[derive(Debug, PartialEq, Clone, Eq)]
44pub enum IndexOp {
45    Amp(usize, usize),
46    Literal(usize),
47    At(usize, Box<Rhs>),
48    Empty,
49}
50
51impl Rhs {
52    pub fn parse(input: &str) -> Result<Self, ParseError> {
53        Parser::new(input).parse_rhs()
54    }
55}
harmony_jolt/dsl/ast.rs

harmony_jolt/dsl/
ast.rs
