Function parseClass

lib/filbert.js:2328–2362

(ctorNode)

  // Parse class

  function parseClass(ctorNode) {
    // Container for class constructor and prototype functions
    var container = startNodeFrom(ctorNode);
    container.body = [];

    // Parse class signature
    ctorNode.id = parseIdent();
    ctorNode.params = [];
    var classParams = [];
    if (eat(_parenL)) {
      var first = true;
      while (!eat(_parenR)) {
        if (!first) expect(_comma); else first = false;
        classParams.push(parseIdent());
      }
    }
    if (classParams.length > 1) raise(tokPos, "Multiple inheritance not supported");
    expect(_colon);

    // Start new namespace for class body
    scope.startClass(ctorNode.id.name);

    // Save a reference for source ranges
    var classBodyRefNode = finishNode(startNode());

    // Parse class body
    var classBlock = parseSuite();

    // Generate additional AST to implement class
    var classStmt = nc.createClass(container, ctorNode, classParams, classBodyRefNode, classBlock);

    scope.end();

    return classStmt;
  }

  // Parse dictionary
  // Custom dict object used to simulate native Python dict