org.textmapper.lapg.eval

Class GenericParser

java.lang.Object

org.textmapper.lapg.eval.GenericParser

public class GenericParser
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GenericParser.ParseException

Field Summary

Fields

Modifier and Type	Field and Description
protected Grammar	grammar
protected GenericParseContext.TextSource	source
protected int	tmHead
protected GenericLexer	tmLexer
protected GenericLexer.Span	tmNext
protected GenericLexer.Span[]	tmStack

Constructor Summary

Constructors

Constructor and Description
GenericParser(GenericLexer.ErrorReporter reporter, ParserData tables, Grammar grammar, boolean debugSyntax)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	applyRule(GenericLexer.Span tmLeft, int rule, int ruleLength)
protected void	cleanup(GenericLexer.Span value) cleans node removed from the stack
protected void	dispose(GenericLexer.Span value) disposes symbol dropped by error recovery mechanism
Object	parse(GenericLexer lexer, int initialState, int finalState, boolean noEoi)
protected void	reduce(int rule)
protected boolean	restore()
protected void	shift(boolean lazy)
protected int	tmAction(int state, int symbol) -3-n Lookahead (state id) -2 Error -1 Shift 0..n Reduce (rule index)
protected int	tmGoto(int state, int symbol)

Methods inherited from class java.lang.Object

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

Field Detail

source

protected GenericParseContext.TextSource source

grammar

protected final Grammar grammar

tmHead

protected int tmHead

tmStack

protected GenericLexer.Span[] tmStack

tmNext

protected GenericLexer.Span tmNext

tmLexer

protected GenericLexer tmLexer

Constructor Detail

GenericParser

public GenericParser(GenericLexer.ErrorReporter reporter,
             ParserData tables,
             Grammar grammar,
             boolean debugSyntax)

Method Detail

tmAction

protected final int tmAction(int state,
           int symbol)

-3-n Lookahead (state id) -2 Error -1 Shift 0..n Reduce (rule index)

tmGoto

protected final int tmGoto(int state,
         int symbol)

parse

public Object parse(GenericLexer lexer,
           int initialState,
           int finalState,
           boolean noEoi)
             throws IOException,
                    GenericParser.ParseException

Throws:

IOException

GenericParser.ParseException

restore

protected boolean restore()
                   throws IOException

Throws:

IOException

shift

protected void shift(boolean lazy)
              throws IOException

Throws:

IOException

reduce

protected void reduce(int rule)

applyRule

protected void applyRule(GenericLexer.Span tmLeft,
             int rule,
             int ruleLength)

dispose

protected void dispose(GenericLexer.Span value)

disposes symbol dropped by error recovery mechanism

cleanup

protected void cleanup(GenericLexer.Span value)

cleans node removed from the stack