Function functionparams

Scripts/ace/worker-javascript.js:4996–5065

(options)

    return id;
  }
  function functionparams(options) {
    var next;
    var params = [];
    var ident;
    var tokens = [];
    var t;
    var pastDefault = false;
    var pastRest = false;
    var loneArg = options && options.loneArg;

    if (loneArg && loneArg.identifier === true) {
      addlabel(loneArg.value, { type: "unused", token: loneArg });
      return [loneArg];
    }

    next = state.tokens.next;

    if (!options || !options.parsedOpening) {
      advance("(");
    }

    if (state.tokens.next.id === ")") {
      advance(")");
      return;
    }

    for (;;) {
      if (_.contains(["{", "["], state.tokens.next.id)) {
        tokens = destructuringExpression();
        for (t in tokens) {
          t = tokens[t];
          if (t.id) {
            params.push(t.id);
            addlabel(t.id, { type: "unused", token: t.token });
          }
        }
      } else {
        if (checkPunctuators(state.tokens.next, ["..."])) pastRest = true;
        ident = identifier(true);
        if (ident) {
          params.push(ident);
          addlabel(ident, { type: "unused", token: state.tokens.curr });
        } else {
          while (!checkPunctuators(state.tokens.next, [",", ")"])) advance();
        }
      }
      if (pastDefault) {
        if (state.tokens.next.id !== "=") {
          error("E051", state.tokens.current);
        }
      }
      if (state.tokens.next.id === "=") {
        if (!state.option.inESNext()) {
          warning("W119", state.tokens.next, "default parameters");
        }
        advance("=");
        pastDefault = true;
        expression(10);