getString()

in src/core/parser.js [1005:1103]
98 lines of code
33 McCabe index (conditional complexity)

  getString() {
    let numParen = 1;
    let done = false;
    const strBuf = this.strBuf;
    strBuf.length = 0;

    let ch = this.nextChar();
    while (true) {
      let charBuffered = false;
      switch (ch | 0) {
        case -1:
          warn("Unterminated string");
          done = true;
          break;
        case 0x28: // '('
          ++numParen;
          strBuf.push("(");
          break;
        case 0x29: // ')'
          if (--numParen === 0) {
            this.nextChar(); // consume strings ')'
            done = true;
          } else {
            strBuf.push(")");
          }
          break;
        case 0x5c: // '\\'
          ch = this.nextChar();
          switch (ch) {
            case -1:
              warn("Unterminated string");
              done = true;
              break;
            case 0x6e: // 'n'
              strBuf.push("\n");
              break;
            case 0x72: // 'r'
              strBuf.push("\r");
              break;
            case 0x74: // 't'
              strBuf.push("\t");
              break;
            case 0x62: // 'b'
              strBuf.push("\b");
              break;
            case 0x66: // 'f'
              strBuf.push("\f");
              break;
            case 0x5c: // '\'
            case 0x28: // '('
            case 0x29: // ')'
              strBuf.push(String.fromCharCode(ch));
              break;
            case 0x30: // '0'
            case 0x31: // '1'
            case 0x32: // '2'
            case 0x33: // '3'
            case 0x34: // '4'
            case 0x35: // '5'
            case 0x36: // '6'
            case 0x37: // '7'
              let x = ch & 0x0f;
              ch = this.nextChar();
              charBuffered = true;
              if (ch >= /* '0' = */ 0x30 && ch <= /* '7' = */ 0x37) {
                x = (x << 3) + (ch & 0x0f);
                ch = this.nextChar();
                if (ch >= /* '0' = */ 0x30 && ch /* '7' = */ <= 0x37) {
                  charBuffered = false;
                  x = (x << 3) + (ch & 0x0f);
                }
              }
              strBuf.push(String.fromCharCode(x));
              break;
            case 0x0d: // CR
              if (this.peekChar() === /* LF = */ 0x0a) {
                this.nextChar();
              }
              break;
            case 0x0a: // LF
              break;
            default:
              strBuf.push(String.fromCharCode(ch));
              break;
          }
          break;
        default:
          strBuf.push(String.fromCharCode(ch));
          break;
      }
      if (done) {
        break;
      }
      if (!charBuffered) {
        ch = this.nextChar();
      }
    }
    return strBuf.join("");
  }