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mondo: improve mondo package api + update readme

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This commit is contained in:
Felix Roos 2025-03-29 21:33:51 +01:00
parent 2e017e46f9
commit c9cafa37fd
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4 changed files with 89 additions and 60 deletions
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53
packages/mondough/mondough.mjs
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@ -43,8 +43,12 @@ lib['..'] = range;
lib['or'] = (...children) => chooseIn(...children); // always has structure but is cyclewise.. e.g. "s oh*8.dec[.04 | .5]"
//lib['or'] = (...children) => chooseOut(...children); // "s oh*8.dec[.04 | .5]" is better but "dec[.04 | .5].s oh*8" has no struct
let runner = new MondoRunner({
call(name, args, scope) {
function evaluator(node, scope) {
const { type } = node;
// node is list
if (type === 'list') {
const { children } = node;
const [name, ...args] = children;
// name is expected to be a pattern of functions!
const first = name.firstCycle(true)[0];
if (typeof first?.value !== 'function') {
@ -58,30 +62,29 @@ let runner = new MondoRunner({
return fn(...args);
})
.innerJoin();
},
leaf(token, scope) {
let { value, type } = token;
// local scope
if (type === 'plain' && scope[value]) {
return reify(scope[value]); // -> local scope has no location
}
const variable = lib[value] ?? strudelScope[value];
let pat;
if (type === 'plain' && typeof variable !== 'undefined') {
// problem: collisions when we want a string that happens to also be a variable name
// example: "s sine" -> sine is also a variable
pat = reify(variable);
} else {
pat = reify(value);
}
}
// node is leaf
let { value } = node;
if (type === 'plain' && scope[value]) {
return reify(scope[value]); // -> local scope has no location
}
const variable = lib[value] ?? strudelScope[value];
let pat;
if (type === 'plain' && typeof variable !== 'undefined') {
// problem: collisions when we want a string that happens to also be a variable name
// example: "s sine" -> sine is also a variable
pat = reify(variable);
} else {
pat = reify(value);
}
if (node.loc) {
pat = pat.withLoc(node.loc[0], node.loc[1]);
}
pat.foo = true;
return pat;
}
if (token.loc) {
pat = pat.withLoc(token.loc[0], token.loc[1]);
}
pat.foo = true;
return pat;
},
});
let runner = new MondoRunner(evaluator);
export function mondo(code, offset = 0) {
if (Array.isArray(code)) {