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java.lang.Objectnet.percederberg.grammatica.parser.Parser
A base parser class. This class provides the standard parser interface, as well as token handling.
Method Summary | |
void |
addPattern(ProductionPattern pattern)
Adds a new production pattern to the parser. |
Analyzer |
getAnalyzer()
Returns the analyzer in use by this parser. |
Tokenizer |
getTokenizer()
Returns the tokenizer in use by this parser. |
Node |
parse()
Parses the token stream and returns a parse tree. |
protected abstract Node |
parseStart()
Parses the token stream and returns a parse tree. |
void |
prepare()
Initializes the parser. |
java.lang.String |
toString()
Returns a string representation of this parser. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Method Detail |
public Tokenizer getTokenizer()
public Analyzer getAnalyzer()
public void addPattern(ProductionPattern pattern) throws ParserCreationException
pattern
- the pattern to add
ParserCreationException
- if the pattern couldn't be
added correctly to the parserpublic void prepare() throws ParserCreationException
ParserCreationException
- if the parser couldn't be
initialized correctlypublic Node parse() throws ParserCreationException, ParserLogException
ParserCreationException
- if the parser couldn't be
initialized correctly
ParserLogException
- if the input couldn't be parsed
correctlyprepare()
protected abstract Node parseStart() throws ParseException
ParseException
- if the input couldn't be parsed
correctlypublic java.lang.String toString()
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