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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#[derive(Debug, PartialEq)]
pub enum Expression {
Number(f64),
String(String),
Boolean(bool),
Array(Vec<Box<Expression>>),
Object(Vec<(String, Box<Expression>)>),
Identifier(String),
Null,
BinaryOperation {
operation: OpCode,
left: Box<Expression>,
right: Box<Expression>,
},
Transform {
name: String,
subject: Box<Expression>,
args: Option<Vec<Box<Expression>>>,
},
DotOperation {
subject: Box<Expression>,
ident: String,
},
IndexOperation {
subject: Box<Expression>,
index: Box<Expression>,
},
Conditional {
left: Box<Expression>,
truthy: Box<Expression>,
falsy: Box<Expression>,
},
Filter {
ident: String,
op: OpCode,
right: Box<Expression>,
},
}
#[derive(Debug, PartialEq, Eq, Copy, Clone)]
pub enum OpCode {
Add,
Subtract,
Multiply,
Divide,
FloorDivide,
Less,
LessEqual,
Greater,
GreaterEqual,
Equal,
NotEqual,
And,
Or,
Modulus,
Exponent,
In,
}
impl std::fmt::Display for OpCode {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(
f,
"{}",
match self {
OpCode::Add => "Add",
OpCode::Subtract => "Subtract",
OpCode::Multiply => "Multiply",
OpCode::Divide => "Divide",
OpCode::FloorDivide => "Floor division",
OpCode::Less => "Less than",
OpCode::LessEqual => "Less than or equal to",
OpCode::Greater => "Greater than",
OpCode::GreaterEqual => "Greater than or equal to",
OpCode::Equal => "Equal",
OpCode::NotEqual => "Not equal",
OpCode::And => "Bitwise And",
OpCode::Or => "Bitwise Or",
OpCode::Modulus => "Modulus",
OpCode::Exponent => "Exponent",
OpCode::In => "In",
}
)
}
}