pddlp

A simple, fast, and robust PDDL parser

pddlp has three goals:

• Robust - Is tested on commenly used PDDL domains and problems
• Fast - Optimised and benchmarked to be as fast as possible
• Simple - Avoids rarely used PDDL syntax in favor of easy of use

Example

let input = "(define (problem prob)
                  (:objects o1)
                  (:init (p o1))
                  (:goal (not (p o3)))
             )";
let problem = pddlp::problem::parse(&input)?;
assert_eq!(problem.name, Some("prob"));
assert_eq!(problem.domain, None);
assert_eq!(problem.objects, Some(vec![pddlp::problem::Object { name: "o1", type_name: None }]));
//...

Benchmark

Benchmarked on a AMD Ryzen 5 5600X 6-Core Processor × 6 with Criterion

	Throughput	Time to Parse (see here)
Domain	436 MiB/s	2 µs
Problem	468 MiB/s	523 ns
Plan	507 MiB/s	93 ns