Class TreeRewriter

java.lang.Object

org.antlr.runtime.BaseRecognizer

org.antlr.runtime.tree.TreeParser

org.antlr.runtime.tree.TreeRewriter

public class TreeRewriter
extends TreeParser

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	TreeRewriter.fptr

Field Summary

Fields

Modifier and Type	Field	Description
protected TreeAdaptor	originalAdaptor
protected TokenStream	originalTokenStream
protected boolean	showTransformations

Fields inherited from class TreeParser

DOWN, input, UP

Fields inherited from class BaseRecognizer

DEFAULT_TOKEN_CHANNEL, HIDDEN, INITIAL_FOLLOW_STACK_SIZE, MEMO_RULE_FAILED, MEMO_RULE_UNKNOWN, NEXT_TOKEN_RULE_NAME, state

Constructor Summary

Constructors

Constructor	Description
TreeRewriter(TreeNodeStream input)
TreeRewriter(TreeNodeStream input, RecognizerSharedState state)

Method Summary

Modifier and Type	Method	Description
Object	applyOnce(Object t, TreeRewriter.fptr whichRule)
Object	applyRepeatedly(Object t, TreeRewriter.fptr whichRule)
Object	bottomup()
Object	downup(Object t)
Object	downup(Object t, boolean showTransformations)
void	reportTransformation(Object oldTree, Object newTree)	Override this if you need transformation tracing to go somewhere other than stdout or if you're not using Tree-derived trees.
Object	topdown()

Methods inherited from class TreeParser

getAncestor, getCurrentInputSymbol, getErrorHeader, getErrorMessage, getMissingSymbol, getSourceName, getTreeNodeStream, inContext, inContext, matchAny, recoverFromMismatchedToken, reset, setTreeNodeStream, traceIn, traceOut

Methods inherited from class BaseRecognizer

alreadyParsedRule, beginResync, combineFollows, computeContextSensitiveRuleFOLLOW, computeErrorRecoverySet, consumeUntil, consumeUntil, displayRecognitionError, emitErrorMessage, endResync, failed, getBacktrackingLevel, getGrammarFileName, getNumberOfSyntaxErrors, getRuleInvocationStack, getRuleInvocationStack, getRuleMemoization, getRuleMemoizationCacheSize, getTokenErrorDisplay, getTokenNames, match, memoize, mismatchIsMissingToken, mismatchIsUnwantedToken, pushFollow, recover, recoverFromMismatchedSet, reportError, setBacktrackingLevel, toStrings, traceIn, traceOut

Methods inherited from class Object

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

Field Details

showTransformations

protected boolean showTransformations

originalTokenStream

protected TokenStream originalTokenStream

originalAdaptor

protected TreeAdaptor originalAdaptor

Constructor Details

TreeRewriter

public TreeRewriter(TreeNodeStream input)

TreeRewriter

public TreeRewriter(TreeNodeStream input,
 RecognizerSharedState state)

Method Details

applyOnce

public Object applyOnce(Object t,
 TreeRewriter.fptr whichRule)

applyRepeatedly

public Object applyRepeatedly(Object t,
 TreeRewriter.fptr whichRule)

downup

public Object downup(Object t)

downup

public Object downup(Object t,
 boolean showTransformations)

reportTransformation

public void reportTransformation(Object oldTree,
 Object newTree)

Override this if you need transformation tracing to go somewhere other than stdout or if you're not using Tree-derived trees.

topdown

public Object topdown()
               throws RecognitionException

Throws:

RecognitionException

bottomup

public Object bottomup()
                throws RecognitionException

Throws:

RecognitionException