/** Processes a OBJECTLIT node. */
    private void handleObjectLit(NodeTraversal t, Node n) {
      Node child = n.getFirstChild();
      while (child != null) {
        // Maybe STRING, NUMBER, GET, SET
        if (child.getType() != Token.NUMBER) {
          // We should never see a mix of numbers and strings.
          String name = child.getString();
          T type = typeSystem.getType(getScope(), n, name);

          Property prop = getProperty(name);
          if (!prop.scheduleRenaming(child, processProperty(t, prop, type, null))) {
            if (showInvalidationWarnings) {
              compiler.report(
                  JSError.make(
                      t.getSourceName(),
                      child,
                      INVALIDATION,
                      name,
                      (type == null ? "null" : type.toString()),
                      n.toString()));
            }
          }
        }

        child = child.getNext();
      }
    }
    /** Processes a GETPROP node. */
    private void handleGetProp(NodeTraversal t, Node n) {
      String name = n.getLastChild().getString();
      T type = typeSystem.getType(getScope(), n.getFirstChild(), name);

      Property prop = getProperty(name);
      if (!prop.scheduleRenaming(n.getLastChild(), processProperty(t, prop, type, null))) {
        if (showInvalidationWarnings) {
          compiler.report(
              JSError.make(
                  t.getSourceName(),
                  n,
                  INVALIDATION,
                  name,
                  (type == null ? "null" : type.toString()),
                  n.toString()));
        }
      }
    }
Пример #3
0
    @SuppressWarnings("incomplete-switch")
    @Override
    public void visit(NodeTraversal t, Node n, Node parent) {
      if (!n.isCall()) {
        return;
      }

      String callName = n.getFirstChild().getQualifiedName();
      TweakFunction tweakFunc = TWEAK_FUNCTIONS_MAP.get(callName);
      if (tweakFunc == null) {
        return;
      }

      if (tweakFunc == TweakFunction.GET_COMPILER_OVERRIDES) {
        getOverridesCalls.add(new TweakFunctionCall(tweakFunc, n));
        return;
      }

      // Ensure the first parameter (the tweak ID) is a string literal.
      Node tweakIdNode = n.getFirstChild().getNext();
      if (!tweakIdNode.isString()) {
        compiler.report(t.makeError(tweakIdNode, NON_LITERAL_TWEAK_ID_ERROR));
        return;
      }
      String tweakId = tweakIdNode.getString();

      // Make sure there is a TweakInfo structure for it.
      TweakInfo tweakInfo = allTweaks.get(tweakId);
      if (tweakInfo == null) {
        tweakInfo = new TweakInfo(tweakId);
        allTweaks.put(tweakId, tweakInfo);
      }

      switch (tweakFunc) {
        case REGISTER_BOOLEAN:
        case REGISTER_NUMBER:
        case REGISTER_STRING:
          // Ensure the ID contains only valid characters.
          if (!ID_MATCHER.matchesAllOf(tweakId)) {
            compiler.report(t.makeError(tweakIdNode, INVALID_TWEAK_ID_ERROR));
          }

          // Ensure tweaks are registered in the global scope.
          if (!t.inGlobalScope()) {
            compiler.report(t.makeError(n, NON_GLOBAL_TWEAK_INIT_ERROR, tweakId));
            break;
          }

          // Ensure tweaks are registered only once.
          if (tweakInfo.isRegistered()) {
            compiler.report(t.makeError(n, TWEAK_MULTIPLY_REGISTERED_ERROR, tweakId));
            break;
          }

          Node tweakDefaultValueNode = tweakIdNode.getNext().getNext();
          tweakInfo.addRegisterCall(t.getSourceName(), tweakFunc, n, tweakDefaultValueNode);
          break;
        case OVERRIDE_DEFAULT_VALUE:
          // Ensure tweaks overrides occur in the global scope.
          if (!t.inGlobalScope()) {
            compiler.report(t.makeError(n, NON_GLOBAL_TWEAK_INIT_ERROR, tweakId));
            break;
          }
          // Ensure tweak overrides occur before the tweak is registered.
          if (tweakInfo.isRegistered()) {
            compiler.report(t.makeError(n, TWEAK_OVERRIDE_AFTER_REGISTERED_ERROR, tweakId));
            break;
          }

          tweakDefaultValueNode = tweakIdNode.getNext();
          tweakInfo.addOverrideDefaultValueCall(
              t.getSourceName(), tweakFunc, n, tweakDefaultValueNode);
          break;
        case GET_BOOLEAN:
        case GET_NUMBER:
        case GET_STRING:
          tweakInfo.addGetterCall(t.getSourceName(), tweakFunc, n);
      }
    }