jaitools.jiffle.parser
Class ErrorHandlingTreeParser

java.lang.Object
  org.antlr.runtime.BaseRecognizer
      org.antlr.runtime.tree.TreeParser
          jaitools.jiffle.parser.ErrorHandlingTreeParser

Direct Known Subclasses:

AbstractSourceGenerator, TagVars, TransformExpressions

public abstract class ErrorHandlingTreeParser
extends org.antlr.runtime.tree.TreeParser

A base class for Jiffle tree parsers that want to intercept ANTLR error and warning messages.

Since:

1.1

Version:

$Id: ErrorHandlingTreeParser.java 1505 2011-03-05 11:37:43Z michael.bedward $

Author:

Michael Bedward

Field Summary

protected ParsingErrorReporter

errorReporter Stores error and warning messages.

Fields inherited from class org.antlr.runtime.tree.TreeParser

DOWN, input, UP

Fields inherited from class org.antlr.runtime.BaseRecognizer

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

Constructor Summary

ErrorHandlingTreeParser(org.antlr.runtime.tree.TreeNodeStream input)
Constructor.

ErrorHandlingTreeParser(org.antlr.runtime.tree.TreeNodeStream input, org.antlr.runtime.RecognizerSharedState state)
Constructor.

Method Summary

void	emitErrorMessage(String msg) Overrides the ANTLR parser method to capture an error message that would otherwise be sent to std err.
ParsingErrorReporter	getErrorReporter() Gets the error reporter object.
void	setErrorReporter(ParsingErrorReporter er) Sets the error reporter.

Methods inherited from class org.antlr.runtime.tree.TreeParser

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

Methods inherited from class org.antlr.runtime.BaseRecognizer

alreadyParsedRule, beginResync, combineFollows, computeContextSensitiveRuleFOLLOW, computeErrorRecoverySet, consumeUntil, consumeUntil, displayRecognitionError, 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 java.lang.Object

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

Field Detail

errorReporter

protected ParsingErrorReporter errorReporter

Stores error and warning messages.

Constructor Detail

ErrorHandlingTreeParser

public ErrorHandlingTreeParser(org.antlr.runtime.tree.TreeNodeStream input)

Constructor.

Parameters:

input - AST node stream

ErrorHandlingTreeParser

public ErrorHandlingTreeParser(org.antlr.runtime.tree.TreeNodeStream input,
                               org.antlr.runtime.RecognizerSharedState state)

Constructor.

Parameters:

input - input AST node stream

state - recognizer state

Method Detail

emitErrorMessage

public void emitErrorMessage(String msg)

Overrides the ANTLR parser method to capture an error message that would otherwise be sent to std err.

Overrides:

emitErrorMessage in class org.antlr.runtime.BaseRecognizer

Parameters:

msg - the message

getErrorReporter

public ParsingErrorReporter getErrorReporter()

Gets the error reporter object.

Returns:

the error reporter

setErrorReporter

public void setErrorReporter(ParsingErrorReporter er)

Sets the error reporter.

Parameters:

er - the error reporter (may be null if message interception is not required).