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feat: add mondough package to run strudel via mondo

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Felix Roos 2025-03-16 10:49:18 +01:00
parent 11196fb1e6
commit fae59a6bcd
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8 changed files with 221 additions and 5 deletions
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22
packages/mondo/mondo.mjs
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@ -19,8 +19,11 @@ export class MondoParser {
pipe: /^\./,
stack: /^,/,
op: /^[*/]/,
plain: /^[a-zA-Z0-9-]+/,
plain: /^[a-zA-Z0-9-_]+/,
};
constructor(config) {
this.config = config;
}
// matches next token
next_token(code) {
for (let type in this.token_types) {
@ -29,7 +32,7 @@ export class MondoParser {
return { type, value: match[0] };
}
}
throw new Error(`zilp: could not match '${code}'`);
throw new Error(`mondo: could not match '${code}'`);
}
// takes code string, returns list of matched tokens (if valid)
tokenize(code) {
@ -182,7 +185,7 @@ export class MondoParser {
const [callee, ...rest] = right.children;
const leftSide = children.slice(0, pipeIndex - 1);
const left = children[pipeIndex - 1];
const args = [callee, left, ...rest];
let args = [callee, left, ...rest];
const call = { type: 'list', children: args };
children = [...leftSide, call, ...rightSide];
} else {
@ -200,6 +203,10 @@ export class MondoParser {
}
return children;
}
flip_call(children) {
let [name, first, ...rest] = children;
return [name, ...rest, first];
}
parse_pair(open_type, close_type) {
this.consume(open_type);
const children = [];
@ -252,9 +259,10 @@ export function printAst(ast, compact = false, lvl = 0) {
// lisp runner
export class MondoRunner {
constructor(lib) {
this.parser = new MondoParser();
constructor(lib, config = {}) {
this.parser = new MondoParser(config);
this.lib = lib;
this.config = config;
}
// a helper to check conditions and throw if they are not met
assert(condition, error) {
@ -264,6 +272,7 @@ export class MondoRunner {
}
run(code) {
const ast = this.parser.parse(code);
console.log(printAst(ast));
return this.call(ast);
}
call(ast) {
@ -298,6 +307,9 @@ export class MondoRunner {
// look up function in lib
const fn = this.lib[name];
this.assert(fn, `function call: unknown function name "${name}"`);
if (this.lib.call) {
return this.lib.call(fn, args, name);
}
return fn(...args);
}
}