Package com.google.javascript.jscomp.Scope

Examples of com.google.javascript.jscomp.Scope.Var

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     */
    private void collectAliasCandidates(NodeTraversal t,
        ReferenceMap referenceMap) {
      if (mode != Mode.CONSTANTS_ONLY) {
        for (Iterator<Var> it = t.getScope().getVars(); it.hasNext();) {
          Var v = it.next();
          ReferenceCollection referenceInfo = referenceMap.getReferences(v);

          // NOTE(nicksantos): Don't handle variables that are never used.
          // The tests are much easier to write if you don't, and there's
          // another pass that handles unused variables much more elegantly.
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    private void doInlinesForScope(NodeTraversal t, ReferenceMap referenceMap) {

      boolean maybeModifiedArguments =
          maybeEscapedOrModifiedArguments(t.getScope(), referenceMap);
      for (Iterator<Var> it = t.getScope().getVars(); it.hasNext();) {
        Var v = it.next();

        ReferenceCollection referenceInfo = referenceMap.getReferences(v);

        // referenceInfo will be null if we're in constants-only mode
        // and the variable is not a constant.
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    }

    private boolean maybeEscapedOrModifiedArguments(
        Scope scope, ReferenceMap referenceMap) {
      if (scope.isLocal()) {
        Var arguments = scope.getArgumentsVar();
        ReferenceCollection refs = referenceMap.getReferences(arguments);
        if (refs != null && !refs.references.isEmpty()) {
          for (Reference ref : refs.references) {
            Node refNode = ref.getNode();
            Node refParent = ref.getParent();
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   */
  private void resetGlobalVarReferences(
      Map<Var, ReferenceCollection> globalRefMap) {
    refMap = Maps.newHashMap();
    for (Entry<Var, ReferenceCollection> entry : globalRefMap.entrySet()) {
      Var var = entry.getKey();
      if (var.isGlobal()) {
        refMap.put(var.getName(), entry.getValue());
      }
    }
  }
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    // Note there are two assumptions here (i) the order of compiler inputs
    // has not changed and (ii) all references are in the order they appear
    // in AST (this is enforced in ReferenceCollectionCallback).
    removeScriptReferences(inputId);
    for (Entry<Var, ReferenceCollection> entry : refMapPatch.entrySet()) {
      Var var = entry.getKey();
      if (var.isGlobal()) {
        replaceReferences(var.getName(), inputId, entry.getValue());
      }
    }
  }
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      return true;
    } else if (n.isName()) {
      // If the value is guaranteed to never be changed after
      // this reference, then we can move it.
      Var v = scope.getVar(n.getString());
      if (v != null && v.isGlobal()) {
        ReferenceCollection refCollection = collector.getReferences(v);
        if (refCollection != null &&
            refCollection.isWellDefined() &&
            refCollection.isAssignedOnceInLifetime()) {
          return true;
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        return false;
      case Token.NAME:
        if (n.getString().equals("arguments")) {
          return false;
        } else {
          Var v = s.getVar(n.getString());
          // Make sure that the variable is global. A caught exception, while
          // it is in the global scope object in the compiler, it is not a
          // global variable.
          if (v != null &&
              (v.isLocal() ||
               v.nameNode.getParent().isCatch())) {
            return false;
          }
        }
        break;
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      doRename = hoistScope.isDeclared(oldName, true)
          || undeclaredNames.contains(oldName);
      String newName = doRename
          ? oldName + "$" + compiler.getUniqueNameIdSupplier().get()
          : oldName;
      Var oldVar = scope.getVar(oldName);
      scope.undeclare(oldVar);
      hoistScope.declare(newName, nameNode, null, oldVar.input);
      if (doRename) {
        nameNode.setString(newName);
        Node scopeRoot = scope.getRootNode();
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        return;
      }

      String name = n.getString();
      Scope referencedIn = t.getScope();
      Var var = referencedIn.getVar(name);
      if (var == null) {
        return;
      }

      if (!var.isLet() && !var.isConst()) {
        return;
      }

      // Traverse nodes up from let/const declaration:
      // If we hit a function or the root before a loop - Not a loop closure.
      // if we hit a loop first - maybe loop closure.
      Scope declaredIn = var.getScope();
      Node loopNode = null;
      for (Scope s = declaredIn;; s = s.getParent()) {
        Node scopeRoot = s.getRootNode();
        if (NodeUtil.isLoopStructure(s.getRootNode())) {
          loopNode = scopeRoot;
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      }
      // Visibility already set.
      if (symbol.getVisibility() != null) {
        return;
      }
      Var var = t.getScope().getVar(n.getString());
      if (var == null) {
        return;
      }
      Visibility v = AccessControlUtils.getEffectiveNameVisibility(
          n ,var, fileVisibilityMap);
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