Module balena_temen::ast

An expression Abstract Syntax Tree

The Elegant Parser is used to parse an expression. Full grammar.

Examples

use balena_temen::ast::*;

let parsed: Expression = "1 + 2".parse().unwrap();
let manual = Expression::new(
    ExpressionValue::Math(
        MathExpression::new(
            Expression::new(ExpressionValue::Integer(1)),
            Expression::new(ExpressionValue::Integer(2)),
            MathOperator::Addition
        )
    )
);
assert_eq!(parsed, manual);

Structs

Expression	An expression
FunctionCall	A function call
Identifier	An identifier
LogicalExpression	Logical expression
MathExpression	Math expression
StringConcat	String concatenation
TernaryExpression	Math expression

Enums

ExpressionValue	An expression value
IdentifierValue	An identifier value (component)
LogicalOperator	Logical operator
MathOperator	Math operator