Java Code Examples for com.google.javascript.rhino.IR#falseNode()

The following examples show how to use com.google.javascript.rhino.IR#falseNode() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: PeepholeFoldConstants.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Try to fold {@code left instanceof right} into {@code true}
 * or {@code false}.
 */
private Node tryFoldInstanceof(Node n, Node left, Node right) {
  Preconditions.checkArgument(n.isInstanceOf());

  // TODO(johnlenz) Use type information if available to fold
  // instanceof.
  if (NodeUtil.isLiteralValue(left, true)
      && !mayHaveSideEffects(right)) {

    Node replacementNode = null;

    if (NodeUtil.isImmutableValue(left)) {
      // Non-object types are never instances.
      replacementNode = IR.falseNode();
    } else if (right.isName()
        && "Object".equals(right.getString())) {
      replacementNode = IR.trueNode();
    }

    if (replacementNode != null) {
      n.getParent().replaceChild(n, replacementNode);
      reportCodeChange();
      return replacementNode;
    }
  }

  return n;
}
Example 2
Source File: ProcessTweaks.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
Node createDefaultValueNode() {
  switch (this) {
    case REGISTER_BOOLEAN:
      return IR.falseNode();
    case REGISTER_NUMBER:
      return IR.number(0);
    case REGISTER_STRING:
      return IR.string("");
    default:
      throw new IllegalStateException();
  }
}
Example 3
Source File: Closure_23_PeepholeFoldConstants_t.java    From coming with MIT License 5 votes vote down vote up 
/**
 * Try to fold {@code left instanceof right} into {@code true}
 * or {@code false}.
 */
private Node tryFoldInstanceof(Node n, Node left, Node right) {
  Preconditions.checkArgument(n.isInstanceOf());

  // TODO(johnlenz) Use type information if available to fold
  // instanceof.
  if (NodeUtil.isLiteralValue(left, true)
      && !mayHaveSideEffects(right)) {

    Node replacementNode = null;

    if (NodeUtil.isImmutableValue(left)) {
      // Non-object types are never instances.
      replacementNode = IR.falseNode();
    } else if (right.isName()
        && "Object".equals(right.getString())) {
      replacementNode = IR.trueNode();
    }

    if (replacementNode != null) {
      n.getParent().replaceChild(n, replacementNode);
      reportCodeChange();
      return replacementNode;
    }
  }

  return n;
}
Example 4
Source File: Closure_23_PeepholeFoldConstants_s.java    From coming with MIT License 5 votes vote down vote up 
/**
 * Try to fold {@code left instanceof right} into {@code true}
 * or {@code false}.
 */
private Node tryFoldInstanceof(Node n, Node left, Node right) {
  Preconditions.checkArgument(n.isInstanceOf());

  // TODO(johnlenz) Use type information if available to fold
  // instanceof.
  if (NodeUtil.isLiteralValue(left, true)
      && !mayHaveSideEffects(right)) {

    Node replacementNode = null;

    if (NodeUtil.isImmutableValue(left)) {
      // Non-object types are never instances.
      replacementNode = IR.falseNode();
    } else if (right.isName()
        && "Object".equals(right.getString())) {
      replacementNode = IR.trueNode();
    }

    if (replacementNode != null) {
      n.getParent().replaceChild(n, replacementNode);
      reportCodeChange();
      return replacementNode;
    }
  }

  return n;
}
Example 5
Source File: jKali_003_s.java    From coming with MIT License 4 votes vote down vote up 
/**
 * @return An appropriate AST node for the boolean value.
 */
static Node booleanNode(boolean value) {
  return value ? IR.trueNode() : IR.falseNode();
}
Example 6
Source File: NodeUtil.java    From astor with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * @return An appropriate AST node for the boolean value.
 */
static Node booleanNode(boolean value) {
  return value ? IR.trueNode() : IR.falseNode();
}
Example 7
Source File: Closure_10_NodeUtil_s.java    From coming with MIT License 4 votes vote down vote up 
/**
 * @return An appropriate AST node for the boolean value.
 */
static Node booleanNode(boolean value) {
  return value ? IR.trueNode() : IR.falseNode();
}
Example 8
Source File: Closure_10_NodeUtil_t.java    From coming with MIT License 4 votes vote down vote up 
/**
 * @return An appropriate AST node for the boolean value.
 */
static Node booleanNode(boolean value) {
  return value ? IR.trueNode() : IR.falseNode();
}
Example 9
Source File: jMutRepair_003_t.java    From coming with MIT License 4 votes vote down vote up 
/**
 * @return An appropriate AST node for the boolean value.
 */
static Node booleanNode(boolean value) {
  return value ? IR.trueNode() : IR.falseNode();
}
Example 10
Source File: jMutRepair_003_s.java    From coming with MIT License 4 votes vote down vote up 
/**
 * @return An appropriate AST node for the boolean value.
 */
static Node booleanNode(boolean value) {
  return value ? IR.trueNode() : IR.falseNode();
}
Example 11
Source File: Cardumen_00200_s.java    From coming with MIT License 4 votes vote down vote up 
/**
 * @return An appropriate AST node for the boolean value.
 */
static Node booleanNode(boolean value) {
  return value ? IR.trueNode() : IR.falseNode();
}
Example 12
Source File: jKali_003_t.java    From coming with MIT License 4 votes vote down vote up 
/**
 * @return An appropriate AST node for the boolean value.
 */
static Node booleanNode(boolean value) {
  return value ? IR.trueNode() : IR.falseNode();
}
Example 13
Source File: Cardumen_0087_t.java    From coming with MIT License 4 votes vote down vote up 
/**
 * @return An appropriate AST node for the boolean value.
 */
static Node booleanNode(boolean value) {
  return value ? IR.trueNode() : IR.falseNode();
}
Example 14
Source File: Cardumen_0087_s.java    From coming with MIT License 4 votes vote down vote up 
/**
 * @return An appropriate AST node for the boolean value.
 */
static Node booleanNode(boolean value) {
  return value ? IR.trueNode() : IR.falseNode();
}
Example 15
Source File: Cardumen_0014_s.java    From coming with MIT License 4 votes vote down vote up 
/**
 * @return An appropriate AST node for the boolean value.
 */
static Node booleanNode(boolean value) {
  return value ? IR.trueNode() : IR.falseNode();
}
Example 16
Source File: Cardumen_0014_t.java    From coming with MIT License 4 votes vote down vote up 
/**
 * @return An appropriate AST node for the boolean value.
 */
static Node booleanNode(boolean value) {
  return value ? IR.trueNode() : IR.falseNode();
}
Example 17
Source File: Cardumen_00149_t.java    From coming with MIT License 4 votes vote down vote up 
/**
 * @return An appropriate AST node for the boolean value.
 */
static Node booleanNode(boolean value) {
  return value ? IR.trueNode() : IR.falseNode();
}
Example 18
Source File: Cardumen_00149_s.java    From coming with MIT License 4 votes vote down vote up 
/**
 * @return An appropriate AST node for the boolean value.
 */
static Node booleanNode(boolean value) {
  return value ? IR.trueNode() : IR.falseNode();
}
Example 19
Source File: Cardumen_00200_t.java    From coming with MIT License 4 votes vote down vote up 
/**
 * @return An appropriate AST node for the boolean value.
 */
static Node booleanNode(boolean value) {
  return value ? IR.trueNode() : IR.falseNode();
}