Function parseTuple

lib/filbert.js:2706–2731

(noIn, expr)

  }

  function parseTuple(noIn, expr) {
    var node = expr ? startNodeFrom(expr) : startNode();
    node.arguments = expr ? [expr] : [];

    // Tuple with single element has special trailing comma: t = 'hi',
    // Look ahead and eat comma in this scenario
    if (tokType === _comma) {
      var oldPos = tokPos; skipSpace();
      var newPos = tokPos; tokPos = oldPos;
      if (newPos >= inputLen || input[newPos] === ';' || input[newPos] === ')' || newline.test(input[newPos]))
        eat(_comma);
    }

    while (eat(_comma)) {
      node.arguments.push(parseExprOps(noIn));
    }
    finishNode(node, "NewExpression");

    var runtimeId = nc.createNodeSpan(node, node, "Identifier", { name: options.runtimeParamName });
    var objectsId = nc.createNodeSpan(node, node, "Identifier", { name: "objects" });
    var runtimeMember = nc.createNodeSpan(node, node, "MemberExpression", { object: runtimeId, property: objectsId, computed: false });
    var listId = nc.createNodeSpan(node, node, "Identifier", { name: "tuple" });
    node.callee = nc.createNodeSpan(node, node, "MemberExpression", { object: runtimeMember, property: listId, computed: false });

    return node;
  }

  // ## Python runtime library