Java Code Examples for com.google.javascript.rhino.Node#getProp()

/**
 * Replaces a member declaration to an assignment to the temp prototype
 * object.
 */
private void replacePrototypeMemberDeclaration(
    PrototypeMemberDeclaration declar) {
  // x.prototype.y = ...  ->  t.y = ...
  Node assignment = declar.node.getFirstChild();
  Node lhs = assignment.getFirstChild();
  Node name = NodeUtil.newQualifiedNameNode(
      compiler.getCodingConvention(),
      prototypeAlias + "." + declar.memberName, declar.node,
      declar.memberName);

  // Save the full prototype path on the left hand side of the assignment
  // for debugging purposes.
  // declar.lhs = x.prototype.y so first child of the first child
  // is 'x'.
  Node accessNode = declar.lhs.getFirstChild().getFirstChild();
  Object originalName = accessNode.getProp(Node.ORIGINALNAME_PROP);

  String className = "?";

  if (originalName != null) {
    className = originalName.toString();
  }

  NodeUtil.setDebugInformation(name.getFirstChild(), lhs,
                               className + ".prototype");

  assignment.replaceChild(lhs, name);
}
 

/**
 * @param n The node.
 * @return The source name property on the node or its ancestors.
 */
static String getSourceName(Node n) {
  String sourceName = null;
  while (sourceName == null && n != null) {
    sourceName = (String) n.getProp(Node.SOURCENAME_PROP);
    n = n.getParent();
  }
  return sourceName;
}
 

/**
 * @param n The node.
 * @return The source name property on the node or its ancestors.
 */
static String getSourceName(Node n) {
  String sourceName = null;
  while (sourceName == null && n != null) {
    sourceName = (String) n.getProp(Node.SOURCENAME_PROP);
    n = n.getParent();
  }
  return sourceName;
}
 

@Override
public final boolean shouldTraverse(NodeTraversal nodeTraversal, Node n,
    Node parent) {
  if (n.getType() == Token.FUNCTION ||
      n.getType() == Token.SCRIPT) {
    sourceName = (String) n.getProp(Node.SOURCENAME_PROP);
  }

  // We do want to traverse the name of a named function, but we don't
  // want to traverse the arguments or body.
  return parent == null || parent.getType() != Token.FUNCTION ||
      n == parent.getFirstChild() || parent == scope.getRootNode();
}
 

@Override
public final boolean shouldTraverse(NodeTraversal nodeTraversal, Node n,
    Node parent) {
  if (n.getType() == Token.FUNCTION ||
      n.getType() == Token.SCRIPT) {
    sourceName = (String) n.getProp(Node.SOURCENAME_PROP);
  }

  // We do want to traverse the name of a named function, but we don't
  // want to traverse the arguments or body.
  return parent == null || parent.getType() != Token.FUNCTION ||
      n == parent.getFirstChild() || parent == scope.getRootNode();
}
 

/**
 * @param n The node.
 * @return The source name property on the node or its ancestors.
 */
static String getSourceName(Node n) {
  String sourceName = null;
  while (sourceName == null && n != null) {
    sourceName = (String) n.getProp(Node.SOURCENAME_PROP);
    n = n.getParent();
  }
  return sourceName;
}
 

/**
 * @param n The node.
 * @return The source name property on the node or its ancestors.
 */
public static String getSourceName(Node n) {
  String sourceName = null;
  while (sourceName == null && n != null) {
    sourceName = (String) n.getProp(Node.SOURCENAME_PROP);
    n = n.getParent();
  }
  return sourceName;
}
 

public void addMapping(
    Node node,
    FilePosition outputStartPosition,
    FilePosition outputEndPosition) {
  String sourceFile = node.getSourceFileName();

  // If the node does not have an associated source file or
  // its line number is -1, then the node does not have sufficient
  // information for a mapping to be useful.
  if (sourceFile == null || node.getLineno() < 0) {
    return;
  }

  sourceFile = fixupSourceLocation(sourceFile);

  String originalName = (String) node.getProp(Node.ORIGINALNAME_PROP);

  // Strangely, Rhino source lines are one based but columns are
  // zero based.
  // We don't change this for the v1 or v2 source maps but for
  // v3 we make them both 0 based.
  int lineBaseOffset = 1;
  if (generator instanceof SourceMapGeneratorV1
      || generator instanceof SourceMapGeneratorV2) {
    lineBaseOffset = 0;
  }

  generator.addMapping(
      sourceFile, originalName,
      new FilePosition(node.getLineno() - lineBaseOffset, node.getCharno()),
      outputStartPosition, outputEndPosition);
}
 

public void addMapping(
    Node node,
    FilePosition outputStartPosition,
    FilePosition outputEndPosition) {
  String sourceFile = node.getSourceFileName();

  // If the node does not have an associated source file or
  // its line number is -1, then the node does not have sufficient
  // information for a mapping to be useful.
  if (sourceFile == null || node.getLineno() < 0) {
    return;
  }

  sourceFile = fixupSourceLocation(sourceFile);

  String originalName = (String) node.getProp(Node.ORIGINALNAME_PROP);

  // Strangely, Rhino source lines are one based but columns are
  // zero based.
  // We don't change this for the v1 or v2 source maps but for
  // v3 we make them both 0 based.
  int lineBaseOffset = 1;
  if (generator instanceof SourceMapGeneratorV1
      || generator instanceof SourceMapGeneratorV2) {
    lineBaseOffset = 0;
  }

  generator.addMapping(
      sourceFile, originalName,
      new FilePosition(node.getLineno() - lineBaseOffset, node.getCharno()),
      outputStartPosition, outputEndPosition);
}
 

/**
 * @param n The node.
 * @return The source name property on the node or its ancestors.
 */
static String getSourceName(Node n) {
  String sourceName = null;
  while (sourceName == null && n != null) {
    sourceName = (String) n.getProp(Node.SOURCENAME_PROP);
    n = n.getParent();
  }
  return sourceName;
}
 

static String arrayToString(Node literal) {
  Node first = literal.getFirstChild();
  int[] skipIndexes = (int[]) literal.getProp(Node.SKIP_INDEXES_PROP);
  StringBuilder result = new StringBuilder();
  int nextSlot = 0;
  int nextSkipSlot = 0;
  for (Node n = first; n != null; n = n.getNext()) {
    while (skipIndexes != null && nextSkipSlot < skipIndexes.length) {
      if (nextSlot == skipIndexes[nextSkipSlot]) {
        result.append(',');
        nextSlot++;
        nextSkipSlot++;
      } else {
        break;
      }
    }
    String childValue = getArrayElementStringValue(n);
    if (childValue == null) {
      return null;
    }
    if (n != first) {
      result.append(',');
    }
    result.append(childValue);

    nextSlot++;
  }
  return result.toString();
}
 

static String arrayToString(Node literal) {
  Node first = literal.getFirstChild();
  int[] skipIndexes = (int[]) literal.getProp(Node.SKIP_INDEXES_PROP);
  StringBuilder result = new StringBuilder();
  int nextSlot = 0;
  int nextSkipSlot = 0;
  for (Node n = first; n != null; n = n.getNext()) {
    while (skipIndexes != null && nextSkipSlot < skipIndexes.length) {
      if (nextSlot == skipIndexes[nextSkipSlot]) {
        result.append(',');
        nextSlot++;
        nextSkipSlot++;
      } else {
        break;
      }
    }
    String childValue = getArrayElementStringValue(n);
    if (childValue == null) {
      return null;
    }
    if (n != first) {
      result.append(',');
    }
    result.append(childValue);

    nextSlot++;
  }
  return result.toString();
}
 

/**
 * @param n The node.
 * @return The source name property on the node or its ancestors.
 */
static String getSourceName(Node n) {
  String sourceName = null;
  while (sourceName == null && n != null) {
    sourceName = (String) n.getProp(Node.SOURCENAME_PROP);
    n = n.getParent();
  }
  return sourceName;
}
 

static String arrayToString(Node literal) {
  Node first = literal.getFirstChild();
  int[] skipIndexes = (int[]) literal.getProp(Node.SKIP_INDEXES_PROP);
  StringBuilder result = new StringBuilder();
  int nextSlot = 0;
  int nextSkipSlot = 0;
  for (Node n = first; n != null; n = n.getNext()) {
    while (skipIndexes != null && nextSkipSlot < skipIndexes.length) {
      if (nextSlot == skipIndexes[nextSkipSlot]) {
        result.append(',');
        nextSlot++;
        nextSkipSlot++;
      } else {
        break;
      }
    }
    String childValue = getArrayElementStringValue(n);
    if (childValue == null) {
      return null;
    }
    if (n != first) {
      result.append(',');
    }
    result.append(childValue);

    nextSlot++;
  }
  return result.toString();
}
 

/**
 * @param n The node.
 * @return The source name property on the node or its ancestors.
 */
static String getSourceName(Node n) {
  String sourceName = null;
  while (sourceName == null && n != null) {
    sourceName = (String) n.getProp(Node.SOURCENAME_PROP);
    n = n.getParent();
  }
  return sourceName;
}
 

/**
 * @param n The node.
 * @return The source name property on the node or its ancestors.
 */
static String getSourceName(Node n) {
  String sourceName = null;
  while (sourceName == null && n != null) {
    sourceName = (String) n.getProp(Node.SOURCENAME_PROP);
    n = n.getParent();
  }
  return sourceName;
}
 

/**
 * @param n The node.
 * @return The source name property on the node or its ancestors.
 */
static String getSourceName(Node n) {
  String sourceName = null;
  while (sourceName == null && n != null) {
    sourceName = (String) n.getProp(Node.SOURCENAME_PROP);
    n = n.getParent();
  }
  return sourceName;
}
 

/**
 * @param n The node.
 * @return The source name property on the node or its ancestors.
 */
static String getSourceName(Node n) {
  String sourceName = null;
  while (sourceName == null && n != null) {
    sourceName = (String) n.getProp(Node.SOURCENAME_PROP);
    n = n.getParent();
  }
  return sourceName;
}
 

/**
 * Is this an sparse ARRAYLIT node
 */
static boolean isSparseArray(Node node) {
  Preconditions.checkArgument(isArrayLiteral(node));
  int[] skipList = (int[]) node.getProp(Node.SKIP_INDEXES_PROP);
  return skipList != null && skipList.length > 0;
}
 

/**
 * Is this an sparse ARRAYLIT node
 */
static boolean isSparseArray(Node node) {
  Preconditions.checkArgument(isArrayLiteral(node));
  int[] skipList = (int[]) node.getProp(Node.SKIP_INDEXES_PROP);
  return skipList != null && skipList.length > 0;
}