// _dump_codec_src.js —— 打印指定 codec 的 u7h / t7h 源码体（临时诊断用）
// 用法: node _dump_codec_src.js 85183::Tl 85183::Rl ...
'use strict';
const fs = require('fs');
const path = require('path');
const SRC = path.join(__dirname, '..', 'src');

function MatchBrace(Src, Start) {
  let Depth = 0;
  for (let I = Start; I < Src.length; I++) {
    if (Src[I] === '{') Depth++;
    else if (Src[I] === '}') { Depth--; if (Depth === 0) return I; }
  }
  return -1;
}

function ClassMethod(Src, Cls, Kind) {
  const Head = new RegExp('\\(\\s*' + Cls.replace(/\$/g, '\\$') + '\\s*\\)\\.' + Kind + '\\s*=\\s*function\\s*\\([^)]*\\)\\s*\\{', 'g');
  const Out = [];
  let M;
  while ((M = Head.exec(Src))) {
    const Start = M.index + M[0].length - 1;
    const End = MatchBrace(Src, Start);
    if (End > 0) Out.push(Src.slice(Start, End + 1));
  }
  return Out;
}

for (const Key of process.argv.slice(2)) {
  const [Mod, Cls] = Key.split('::');
  const File = path.join(SRC, (Mod.startsWith('module_') ? Mod : 'module_' + Mod) + '.js');
  if (!fs.existsSync(File)) { console.log('!! 无源码 ' + File); continue; }
  const Src = fs.readFileSync(File, 'utf8');
  console.log('=== ' + Key + ' ===');
  for (const Kind of ['u7h', 't7h']) {
    const Bodies = ClassMethod(Src, Cls, Kind);
    if (!Bodies.length) { console.log('  [' + Kind + '] 未找到'); continue; }
    Bodies.forEach((B, I) => console.log('  [' + Kind + '#' + I + '] ' + B.replace(/\s+/g, ' ')));
  }
}