fix nodes

Author: urisinger

frontend/wasm/src/editor_api.rs

@@ -744,7 +744,11 @@ impl EditorHandle {
 #[wasm_bindgen(js_name = evaluateMathExpression)]
 pub fn evaluate_math_expression(expression: &str) -> Option<f64> {
 	let value = math_parser::evaluate(expression)
-		.inspect_err(|err| error!("Math parser error on \"{expression}\": {err}"))
+		.inspect_err(|err| {
+			error!("Math parser error on \"{expression}\"");
+			// use the rendered html here to show the err
+			_ = err.render_html(&Default::default());
+		})
 		.ok()?
 		.inspect_err(|err| error!("Math evaluate error on \"{expression}\": {err} "))
 		.ok()?;

node-graph/gmath-nodes/src/lib.rs

@@ -44,10 +44,15 @@ fn math<U: num_traits::float::Float>(
 	#[default(1.)]
 	operand_b: U,
 ) -> U {
-	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");
+
+			// print to colored stream
+			e.print();
+			// render to html
+			_ = e.render_html(&Default::default());
 			return U::from(0.).unwrap();
 		}
 	};