Class CommonErrorNode

java.lang.Object

org.antlr.runtime.tree.BaseTree

org.antlr.runtime.tree.CommonTree

org.antlr.runtime.tree.CommonErrorNode

All Implemented Interfaces:

Tree

public class CommonErrorNode
extends CommonTree

A node representing erroneous token range in token stream

Field Summary

Fields

Modifier and Type	Field	Description
IntStream	input
Token	start
Token	stop
RecognitionException	trappedException

Fields inherited from class CommonTree

childIndex, parent, startIndex, stopIndex, token

Fields inherited from class BaseTree

children

Fields inherited from interface Tree

INVALID_NODE

Constructor Summary

Constructors

Constructor	Description
CommonErrorNode(TokenStream input, Token start, Token stop, RecognitionException e)

Method Summary

Modifier and Type	Method	Description
String	getText()
int	getType()	Return a token type; needed for tree parsing
boolean	isNil()	Indicates the node is a nil node but may still have children, meaning the tree is a flat list.
String	toString()	Override to say how a node (not a tree) should look as text

Methods inherited from class CommonTree

dupNode, getCharPositionInLine, getChildIndex, getLine, getParent, getToken, getTokenStartIndex, getTokenStopIndex, setChildIndex, setParent, setTokenStartIndex, setTokenStopIndex, setUnknownTokenBoundaries

Methods inherited from class BaseTree

addChild, addChildren, createChildrenList, deleteChild, freshenParentAndChildIndexes, freshenParentAndChildIndexes, freshenParentAndChildIndexesDeeply, freshenParentAndChildIndexesDeeply, getAncestor, getAncestors, getChild, getChildCount, getChildren, getFirstChildWithType, hasAncestor, insertChild, replaceChildren, sanityCheckParentAndChildIndexes, sanityCheckParentAndChildIndexes, setChild, toStringTree

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

input

public IntStream input

start

public Token start

stop

public Token stop

trappedException

public RecognitionException trappedException

Constructor Details

CommonErrorNode

public CommonErrorNode(TokenStream input,
 Token start,
 Token stop,
 RecognitionException e)

Method Details

isNil

public boolean isNil()

Description copied from interface: Tree

Indicates the node is a nil node but may still have children, meaning the tree is a flat list.

Specified by:

isNil in interface Tree

Overrides:

isNil in class CommonTree

getType

public int getType()

Description copied from interface: Tree

Return a token type; needed for tree parsing

Specified by:

getType in interface Tree

Overrides:

getType in class CommonTree

getText

public String getText()

Specified by:

getText in interface Tree

Overrides:

getText in class CommonTree

toString

public String toString()

Description copied from class: BaseTree

Override to say how a node (not a tree) should look as text

Specified by:

toString in interface Tree

Overrides:

toString in class CommonTree