reqlang_expr/
ast.rs

1//! Abstract syntax tree types
2
3use std::ops::Range;
4
5#[derive(Debug, PartialEq)]
6pub enum Expr {
7    Bool(Box<ExprBool>),
8    Identifier(Box<ExprIdentifier>),
9    Call(Box<ExprCall>),
10    String(Box<ExprString>),
11}
12
13impl Expr {
14    pub fn identifier(identifier: &str) -> Self {
15        Self::Identifier(Box::new(ExprIdentifier::new(identifier)))
16    }
17
18    pub fn string(string: &str) -> Self {
19        Self::String(ExprString::new(string).into())
20    }
21
22    pub fn call(callee: (Expr, Range<usize>), args: Vec<(Expr, Range<usize>)>) -> Self {
23        Self::Call(Box::new(ExprCall { callee, args }))
24    }
25
26    pub fn bool(value: bool) -> Self {
27        Self::Bool(Box::new(ExprBool::new(value)))
28    }
29}
30
31#[derive(Debug, PartialEq)]
32pub struct ExprIdentifier(pub String);
33
34impl ExprIdentifier {
35    pub fn new(identifier: &str) -> Self {
36        Self(identifier.to_string())
37    }
38}
39
40#[derive(Debug, PartialEq)]
41pub struct ExprString(pub String);
42
43impl ExprString {
44    pub fn new(string: &str) -> Self {
45        Self(string.to_string())
46    }
47}
48
49#[derive(Debug, PartialEq)]
50pub struct ExprCall {
51    pub callee: (Expr, Range<usize>),
52    pub args: Vec<(Expr, Range<usize>)>,
53}
54
55#[derive(Debug, PartialEq)]
56pub struct ExprBool(pub bool);
57
58impl ExprBool {
59    pub fn new(value: bool) -> Self {
60        Self(value)
61    }
62}
reqlang_expr/ast.rs

reqlang_expr/
ast.rs
