Function scanDynamicDispatch

src/mcp/dynamic-boundaries.ts:270–314

(body: string, language: string, fileStartLine: number)

 *                      line numbers are absolute file lines.
 */
export function scanDynamicDispatch(body: string, language: string, fileStartLine: number): BoundaryMatch[] {
  const original = body.length > MAX_BODY_CHARS ? body.slice(0, MAX_BODY_CHARS) : body;
  const lang = commentLang(language);
  const stripped = blankStringContents(lang ? stripCommentsForRegex(original, lang) : original);

  const out: BoundaryMatch[] = [];
  const seen = new Map<string, BoundaryMatch>(); // form+key → first match (counts extras)

  if (language === 'python') scanPythonGetattr(stripped, original, fileStartLine, out, seen);

  for (const spec of FORMS) {
    if (out.length >= MAX_MATCHES_PER_BODY) break;
    if (spec.langs && !spec.langs.has(language)) continue;
    spec.re.lastIndex = 0;
    let m: RegExpExecArray | null;
    while ((m = spec.re.exec(stripped)) !== null) {
      let sliceEnd = m.index + m[0].length;
      if (spec.keyWindow) {
        const windowEnd = Math.min(original.length, sliceEnd + spec.keyWindow);
        const nl = original.indexOf('\n', sliceEnd);
        sliceEnd = nl !== -1 && nl < windowEnd ? nl : windowEnd;
      }
      const origSlice = original.slice(m.index, sliceEnd);
      const derived = spec.keyFrom?.(origSlice);
      const dedupeKey = `${spec.form}|${derived?.key ?? ''}`;
      const prior = seen.get(dedupeKey);
      if (prior) {
        prior.moreSites = (prior.moreSites ?? 0) + 1;
        continue;
      }
      const line = fileStartLine + countNewlines(original, m.index);
      const match: BoundaryMatch = {
        form: spec.form,
        label: spec.label,
        snippet: snippetAround(original, m.index),
        line,
        ...(derived ?? {}),
      };
      seen.set(dedupeKey, match);
      out.push(match);
      if (out.length >= MAX_MATCHES_PER_BODY) return out;
    }
  }
  return out;
}

/**
 * Python getattr dispatch — handled in code, not the FORMS table, because real