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mondo: bring back $ for stacking

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Felix Roos 2025-03-23 22:49:23 +01:00
parent 51e3aa257c
commit dd5743ab8c
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2 changed files with 24 additions and 17 deletions
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37
packages/mondo/mondo.mjs
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@ -20,9 +20,9 @@ export class MondoParser {
close_curly: /^\}/,
number: /^-?[0-9]*\.?[0-9]+/, // before pipe!
op: /^[*/:!@%?]|^\.{2}/, // * / : ! @ % ? ..
dollar: /^\$/,
// dollar: /^\$/,
pipe: /^\./,
stack: /^[,]/,
stack: /^[,$]/,
or: /^[|]/,
plain: /^[a-zA-Z0-9-~_^#]+/,
};
@ -121,16 +121,20 @@ export class MondoParser {
return next(children);
}
// collect args of stack function
const args = chunks.map((chunk) => {
if (chunk.length === 1) {
// chunks of one element can be added to the stack as is
return chunk[0];
} else {
const args = chunks
.map((chunk) => {
if (!chunk.length) {
return; // useful for things like "$ s bd $ s hh*8" (first chunk is empty)
}
if (chunk.length === 1) {
// chunks of one element can be added to the stack as is
return chunk[0];
}
// chunks of multiple args
chunk = next(chunk);
return { type: 'list', children: chunk };
}
});
})
.filter(Boolean); // ignore empty chunks
return [{ type: 'plain', value: split_type }, ...args];
}
// prevents to get a list, e.g. ((x y)) => (x y)
@ -169,7 +173,7 @@ export class MondoParser {
}
return children;
}
desugar_pipes(children, next) {
desugar_pipes(children) {
let chunks = this.split_children(children, 'pipe');
while (chunks.length > 1) {
let [left, right, ...rest] = chunks;
@ -190,13 +194,15 @@ export class MondoParser {
chunks = [[...left.slice(0, -1), call, ...right.slice(1)], ...rest]; // jazz (fast 2 hh)
} else {
//s jazz hh.fast 2 => (fast 2 (s jazz hh))
const call = left.length > 1 ? { type: 'list', children: next(left) } : left[0];
// const call = left.length > 1 ? { type: 'list', children: next(left) } : left[0];
const call = left.length > 1 ? { type: 'list', children: left } : left[0];
chunks = [[...right, call], ...rest];
}
}
return next(chunks[0]);
// return next(chunks[0]);
return chunks[0];
}
desugar_dollars(children) {
/* desugar_dollars(children) {
let chunks = this.split_children(children, 'dollar');
while (chunks.length > 1) {
let [left, right, ...rest] = chunks;
@ -205,7 +211,7 @@ export class MondoParser {
chunks = [[...left, call], ...rest];
}
return chunks[0];
}
} */
parse_pair(open_type, close_type) {
this.consume(open_type);
const children = [];
@ -227,7 +233,8 @@ export class MondoParser {
children = [{ type: 'plain', value: type }, ...children];
}
children = this.desugar_ops(children);
children = this.desugar_pipes(children, (children) => this.desugar_dollars(children));
// children = this.desugar_pipes(children, (children) => this.desugar_dollars(children));
children = this.desugar_pipes(children);
return children;
}),
);