forked from flow/vue3js-app-proposal-for-sdk-claude
c8b8d03e3f
- ast-parser: railsbackCurve moved to variation level, FM shape child parsing, buildLabelSpec direct A/S/R handling, bar IDs as opaque strings - exporter: RFC-compact shape format, correct instrument NAME: key, patchScore regex fixed, RAILSBACK_CURVE emitted from variationLines - .gitignore: exclude test-parser.mjs pending author confirmation
489 lines
15 KiB
JavaScript
489 lines
15 KiB
JavaScript
const LINE_RE = /^(\d{2}) (\S+(?:\.\S+)*) ?(.*)/;
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const DEBUG_RE = /^\d{2} # DEBUG/;
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function coerce(s) {
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if (s === 'True' || s === 'Y' || s === 'on' || s === 'true') return true;
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if (s === 'False' || s === 'N' || s === 'off' || s === 'false') return false;
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if (s === '') return s;
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const n = Number(s);
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if (!isNaN(n) && s.trim() !== '') return n;
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return s;
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}
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export function parseAstLog(text) {
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const root = { slot: 'root', parentSlot: null, depth: -1, positionals: [], props: {}, children: [] };
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const stack = [root];
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for (const line of text.split('\n')) {
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if (!line.trim()) continue;
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if (DEBUG_RE.test(line)) continue;
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const m = LINE_RE.exec(line);
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if (!m) continue;
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const depth = parseInt(m[1], 10);
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const slotFull = m[2];
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const rest = m[3] || '';
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const dotIdx = slotFull.indexOf('.');
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let parentSlot = null, slot = slotFull;
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if (dotIdx !== -1) {
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parentSlot = slotFull.slice(0, dotIdx);
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slot = slotFull.slice(dotIdx + 1);
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}
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const { positionals, props } = parseRest(rest);
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const node = { slot, parentSlot, depth, positionals, props, children: [] };
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// Pop stack to find correct parent (parent must have depth < current)
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while (stack.length > 1 && stack[stack.length - 1].depth >= depth) {
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stack.pop();
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}
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stack[stack.length - 1].children.push(node);
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stack.push(node);
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}
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return root;
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}
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function parseRest(rest) {
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const positionals = [];
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const props = {};
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let i = 0;
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const n = rest.length;
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let inProps = false;
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while (i < n) {
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// skip spaces
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while (i < n && rest[i] === ' ') i++;
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if (i >= n) break;
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if (rest[i] === "'") {
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// single-quoted value (positional string)
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const j = rest.indexOf("'", i + 1);
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const val = rest.slice(i + 1, j === -1 ? n : j);
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i = j === -1 ? n : j + 1;
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if (!inProps) positionals.push(val);
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} else {
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// scan to next space
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let j = i;
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while (j < n && rest[j] !== ' ') j++;
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const tok = rest.slice(i, j);
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i = j;
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const eqIdx = tok.indexOf('=');
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if (eqIdx !== -1) {
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inProps = true;
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const key = tok.slice(0, eqIdx);
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let rawVal = tok.slice(eqIdx + 1);
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if (rawVal.startsWith("'")) {
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// value continues until next single quote
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const valStart = i - (tok.length - eqIdx - 1);
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// find closing quote: search from after the opening quote
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const openPos = rest.indexOf("'", rest.lastIndexOf(key + '=', i) + key.length + 1);
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const closePos = rest.indexOf("'", openPos + 1);
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rawVal = closePos === -1 ? rest.slice(openPos + 1) : rest.slice(openPos + 1, closePos);
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i = closePos === -1 ? n : closePos + 1;
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}
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props[key] = coerce(rawVal);
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} else if (!inProps) {
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positionals.push(coerce(tok));
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}
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// bare token after props start is ignored (shouldn't happen per spec)
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}
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}
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return { positionals, props };
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}
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// ── Second pass: build typed model ──────────────────────────────────────────
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export function buildModel(rawTree) {
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const score = {
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type: 'score',
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info: null,
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tuning: null,
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articles: [],
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stageVoices: [],
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instruments: [],
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bars: [],
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};
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for (const node of rawTree.children) {
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switch (node.slot) {
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case 'info':
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score.info = { ...node.props };
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break;
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case 'tuning':
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score.tuning = buildTuning(node);
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break;
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case 'article':
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score.articles.push(buildArticle(node));
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break;
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case 'stage_voice':
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score.stageVoices.push({
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name: node.positionals[0],
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direction: node.props.direction,
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distance: node.props.distance,
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});
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break;
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case 'instrument':
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score.instruments.push(buildInstrument(node));
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break;
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case 'bar':
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score.bars.push(buildBar(node));
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break;
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default:
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score[node.slot] = buildGeneric(node);
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}
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}
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return score;
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}
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function buildTuning(node) {
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const t = { base: node.props.base, scales: {}, chords: {} };
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for (const child of node.children) {
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if (child.slot === 'scales') {
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t.scales[child.positionals[0]] = child.positionals.slice(1);
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} else if (child.slot === 'chords') {
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t.chords[child.positionals[0]] = child.positionals.slice(1);
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}
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}
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return t;
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}
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function buildArticle(node) {
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return {
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type: 'article',
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name: node.positionals[0],
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props: { ...node.props },
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properties: node.children
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.filter(c => c.slot === 'property')
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.map(c => ({ name: c.positionals[0], ...c.props })),
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};
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}
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function buildInstrument(node) {
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const instr = {
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type: 'instrument',
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name: node.positionals[0],
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notChangedSince: node.props.NOT_CHANGED_SINCE ?? null,
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isLinked: (node.positionals[0] ?? '').includes('/'),
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isDirty: false,
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variations: [],
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basicProperties: null,
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volumes: null,
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timbre: null,
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fmModulations: [],
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rawChildren: [],
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};
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for (const child of node.children) {
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switch (child.parentSlot + '.' + child.slot) {
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case 'character.variation':
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instr.variations.push(buildVariation(child));
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break;
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case 'character.basic_properties':
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instr.basicProperties = buildBasicProperties(child);
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break;
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case 'VOLUMES.shape':
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instr.volumes = buildShape(child);
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break;
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case 'TIMBRE.shape':
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instr.timbre = buildShape(child);
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break;
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case 'FM.modulation':
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instr.fmModulations.push({ ...child.props });
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break;
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default:
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instr.rawChildren.push(buildGeneric(child));
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}
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}
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return instr;
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}
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function buildVariation(node) {
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const v = {
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type: 'variation',
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dependsOn: node.props.depends_on ?? null,
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basicProperties: null,
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labelSpecs: [],
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subvariations: [],
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spread: null,
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railsbackCurve: null,
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rawChildren: [],
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};
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for (const child of node.children) {
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const key = (child.parentSlot ?? child.slot) + '.' + child.slot;
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switch (key) {
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case 'variation.basic_properties':
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v.basicProperties = buildBasicProperties(child);
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break;
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case 'variation.label_spec':
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v.labelSpecs.push(buildLabelSpec(child));
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break;
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case 'variation.subvariation':
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v.subvariations.push(buildVariation(child));
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break;
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case 'variation.SPREAD':
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v.spread = child.positionals;
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break;
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case 'RAILSBACK_CURVE.shape':
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v.railsbackCurve = buildShape(child);
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break;
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default:
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v.rawChildren.push(buildGeneric(child));
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}
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}
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return v;
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}
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function buildBasicProperties(node) {
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const bp = {
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type: 'basic_properties',
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A: null, S: null, R: null,
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oscillator: null,
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fmModulations: [],
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rawChildren: [],
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};
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for (const child of node.children) {
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const fqSlot = (child.parentSlot ?? '') + (child.parentSlot ? '.' : '') + child.slot;
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if (child.parentSlot === 'A' && child.slot === 'shape') {
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bp.A = buildShape(child);
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} else if (child.parentSlot === 'S' && child.slot === 'shape') {
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bp.S = buildShape(child);
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} else if (child.parentSlot === 'R' && child.slot === 'shape') {
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bp.R = buildShape(child);
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} else if (child.parentSlot === 'variation' && child.slot === 'O') {
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bp.oscillator = child.props.ref ?? child.positionals[0];
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} else if (child.parentSlot === 'FM' && child.slot === 'modulation') {
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const fm = { ...child.props };
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const envChild = child.children.find(c => c.slot === 'shape');
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if (envChild) fm.shape = buildShape(envChild);
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bp.fmModulations.push(fm);
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} else {
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bp.rawChildren.push(buildGeneric(child));
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}
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}
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return bp;
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}
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function buildLabelSpec(node) {
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const ls = {
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type: 'label_spec',
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label: node.positionals[0],
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basicProperties: null,
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rawChildren: [],
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};
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const directBpChildren = [];
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for (const child of node.children) {
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if (child.parentSlot === 'variation' && child.slot === 'basic_properties') {
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ls.basicProperties = buildBasicProperties(child);
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} else if (
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(child.slot === 'shape' && (child.parentSlot === 'A' || child.parentSlot === 'S' || child.parentSlot === 'R')) ||
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(child.parentSlot === 'variation' && child.slot === 'O') ||
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(child.parentSlot === 'FM' && child.slot === 'modulation')
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) {
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directBpChildren.push(child);
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} else {
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ls.rawChildren.push(buildGeneric(child));
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}
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}
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if (!ls.basicProperties && directBpChildren.length > 0) {
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ls.basicProperties = buildBasicProperties({ children: directBpChildren });
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}
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return ls;
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}
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function buildShape(node) {
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return {
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type: 'shape',
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length: node.props.length,
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start: node.props.start,
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coords: node.children
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.filter(c => c.slot === 'coords')
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.map(c => ({
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x: c.props.x,
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y: c.props.y,
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z: c.props.z ?? 1,
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isSharp: c.props.is_sharp ?? false,
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})),
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};
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}
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function buildBar(node) {
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const bar = {
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type: 'bar',
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id: node.positionals[0] ?? '',
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stressor: null,
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tempoShape: null,
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tempoLevels: null,
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lowerStressBound: null,
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upperStressBound: null,
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tunings: [],
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voices: {},
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rawChildren: [],
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};
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for (const child of node.children) {
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const fqSlot = (child.parentSlot ?? '') + (child.parentSlot ? '.' : '') + child.slot;
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switch (fqSlot) {
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case 'stress_pattern.stressor':
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bar.stressor = buildStressor(child);
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break;
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case 'tempo.shape':
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bar.tempoShape = buildShape(child);
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break;
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case 'tempo.levels':
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bar.tempoLevels = child.positionals[0];
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break;
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case 'lower_stress_bound.shape':
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bar.lowerStressBound = buildShape(child);
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break;
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case 'upper_stress_bound.shape':
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bar.upperStressBound = buildShape(child);
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break;
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case 'bar.tuning':
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bar.tunings.push({ ...child.props });
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break;
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case 'bar.voice':
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bar.voices[child.positionals[0]] = buildVoice(child);
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break;
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default:
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bar.rawChildren.push(buildGeneric(child));
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}
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}
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return bar;
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}
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function buildStressor(node) {
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const levels = [];
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let currentGroup = [];
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for (const child of node.children) {
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if (child.slot === 'level') {
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currentGroup.push(parseInt(child.positionals[0]));
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} else if (child.slot === 'subdivision') {
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levels.push(currentGroup);
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currentGroup = [];
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}
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}
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if (currentGroup.length) levels.push(currentGroup);
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return { type: 'stressor', groups: levels };
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}
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function buildVoice(node) {
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const voice = {
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type: 'voice',
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name: node.positionals[0],
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offsets: [],
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articles: [],
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motifs: [],
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};
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for (const child of node.children) {
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const fqSlot = (child.parentSlot ?? '') + (child.parentSlot ? '.' : '') + child.slot;
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switch (fqSlot) {
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case 'voice.offset':
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voice.offsets.push(buildOffset(child));
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break;
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case 'voice.article':
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voice.articles.push(child.positionals[0]);
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break;
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case 'voice.motif':
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voice.motifs.push(child.props.label);
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break;
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default:
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// ignore
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}
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}
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return voice;
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}
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function buildOffset(node) {
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const offset = {
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type: 'offset',
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tick: node.props.tick,
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stemNotes: [],
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clusters: [],
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chains: [],
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};
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for (const child of node.children) {
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const fqSlot = (child.parentSlot ?? '') + (child.parentSlot ? '.' : '') + child.slot;
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switch (fqSlot) {
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case 'offset.stem_note':
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offset.stemNotes.push({ pitch: child.props.pitch, effLength: child.props.eff_length });
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break;
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case 'offset.cluster':
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offset.clusters.push(buildCluster(child));
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break;
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case 'offset.chain':
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offset.chains.push({ index: child.positionals[0], children: child.children.map(buildGeneric) });
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break;
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default:
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// ignore
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}
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}
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return offset;
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}
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function buildCluster(node) {
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const cluster = {
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type: 'cluster',
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index: node.positionals[0],
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repeat: node.props.repeat ?? null,
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notes: [],
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pauses: [],
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groups: [],
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subchains: [],
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};
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for (const child of node.children) {
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switch (child.slot) {
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case 'note':
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cluster.notes.push({ ...child.props });
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break;
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case 'pause':
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cluster.pauses.push({ length: child.props.length });
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break;
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case 'group':
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cluster.groups.push({ length: child.props.length, netlength: child.props.netlength });
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break;
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case 'subchain':
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cluster.subchains.push({ length: child.props.length, children: child.children.map(buildGeneric) });
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break;
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default:
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// ignore
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}
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}
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return cluster;
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}
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function buildGeneric(node) {
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return {
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type: node.slot,
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parentSlot: node.parentSlot,
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depth: node.depth,
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positionals: node.positionals,
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props: node.props,
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children: node.children.map(buildGeneric),
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};
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}
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