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Move the math expression parser from Pest to Chumsky and add more features (#2685)

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Rewrite the math-parser library using a chumsky-based lexer and parser, adding functions, comparisons, logic, and conditionals
This commit is contained in:
urisinger
2026-07-27 00:14:39 +03:00
committed by GitHub
parent b2e5b6645c
commit 0952933ede
13 changed files with 1415 additions and 534 deletions
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4
node-graph/nodes/math/src/lib.rs
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@@ -52,10 +52,10 @@ fn math<T: num_traits::float::Float>(
let (operand_a, attributes) = operand_a.into_parts();
let (expression, operand_b) = (expression.element(), *operand_b.element());
let (node, _unit) = match ast::Node::try_parse_from_str(expression) {
let node = match ast::Node::try_parse_from_str(expression) {
Ok(expr) => expr,
Err(e) => {
warn!("Invalid expression: `{expression}`\n{e:?}");
warn!("Invalid expression: `{expression}`\n{e}");
return Item::from_parts(T::from(0.).unwrap(), attributes);
}
};