Package com.google.javascript.jscomp.ControlFlowGraph

Examples of com.google.javascript.jscomp.ControlFlowGraph.AbstractCfgNodeTraversalCallback

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   * Computes all the local variables that rValue reads from and store that
   * in the def's depends set.
   */
  private void computeDependence(final Definition def, Node rValue) {
    NodeTraversal.traverse(compiler, rValue,
        new AbstractCfgNodeTraversalCallback() {
      @Override
      public void visit(NodeTraversal t, Node n, Node parent) {
        if (n.isName()) {
          Var dep = jsScope.getVar(n.getString());
          if (dep == null) {
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      if (graphNode == null) {
        // Not a CFG node.
        return;
      }
      final Node cfgNode = n;
      AbstractCfgNodeTraversalCallback gatherCb =
          new AbstractCfgNodeTraversalCallback() {

        @Override
        public void visit(NodeTraversal t, Node n, Node parent) {
          if (n.isName()) {
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     * Set the def node
     *
     * @param n A node that has a corresponding CFG node in the CFG.
     */
    private void getDefinition(Node n) {
      AbstractCfgNodeTraversalCallback gatherCb =
        new AbstractCfgNodeTraversalCallback() {

        @Override
        public void visit(NodeTraversal t, Node n, Node parent) {
          switch (n.getType()) {
            case Token.NAME:
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     * numUseWithinUseCfgNode.
     */
    private void getNumUseInUseCfgNode(final Node cfgNode) {

      numUsesWithinCfgNode = 0;
      AbstractCfgNodeTraversalCallback gatherCb =
          new AbstractCfgNodeTraversalCallback() {

        @Override
        public void visit(NodeTraversal t, Node n, Node parent) {
          if (n.isName() && n.getString().equals(varName)) {
            // We make a special exception when the entire cfgNode is a chain
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        return;
      }
      FlowState<MustDef> state = graphNode.getAnnotation();
      final MustDef defs = state.getIn();
      final Node cfgNode = n;
      AbstractCfgNodeTraversalCallback gatherCb =
          new AbstractCfgNodeTraversalCallback() {

        @Override
        public void visit(NodeTraversal t, Node n, Node parent) {
          if (NodeUtil.isName(n)) {
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     * Set the def node
     *
     * @param n A node that has a corresponding CFG node in the CFG.
     */
    private void getDefinition(Node n, Node parent) {
      AbstractCfgNodeTraversalCallback gatherCb =
        new AbstractCfgNodeTraversalCallback() {

        @Override
        public void visit(NodeTraversal t, Node n, Node parent) {
          switch (n.getType()) {
            case Token.NAME:
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     * Computes the number of uses of the variable varName and store it in
     * numUseWithinUseCfgNode.
     */
    private void getNumUseInUseCfgNode(Node n, Node parant) {

      AbstractCfgNodeTraversalCallback gatherCb =
          new AbstractCfgNodeTraversalCallback() {

        @Override
        public void visit(NodeTraversal t, Node n, Node parent) {
          if (NodeUtil.isName(n) && n.getString().equals(varName) &&
              // do not count in if it is left child of an assignment operator
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   * Computes all the local variables that rValue reads from and store that
   * in the def's depends set.
   */
  private void computeDependence(final Definition def, Node rValue) {
    NodeTraversal.traverse(compiler, rValue,
        new AbstractCfgNodeTraversalCallback() {
      @Override
      public void visit(NodeTraversal t, Node n, Node parent) {
        if (NodeUtil.isName(n) && jsScope.isDeclared(n.getString(), true)) {
          def.depends.add(jsScope.getVar(n.getString()));
        }
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Related Classes of com.google.javascript.jscomp.ControlFlowGraph.AbstractCfgNodeTraversalCallback

  • com.google.javascript.jscomp.FlowSensitiveInlineVariables$Candidate
  • com.google.javascript.jscomp.FlowSensitiveInlineVariables$GatherCandiates
  • com.google.javascript.jscomp.MustBeReachingVariableDef
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