orc.parser
Class OrcParserRats

java.lang.Object
  xtc.parser.ParserBase
      orc.parser.OrcParserRats

public final class OrcParserRats
extends xtc.parser.ParserBase

Packrat parser for grammar orc.parser.OrcParserRats.

This class has been generated by the Rats! parser generator, version 1.14.0, (C) 2004-2008 Robert Grimm.

Field Summary

Fields inherited from class xtc.parser.ParserBase

FIRST_COLUMN, FIRST_LINE, INCR_SIZE, INIT_SIZE, NEWLINE, yyColumns, yyCount, yyData, yyEOF, yyReader

Constructor Summary

OrcParserRats(Config config, java.io.Reader reader, java.lang.String filename)

OrcParserRats(java.io.Reader reader, java.lang.String file)
Create a new packrat parser.

OrcParserRats(java.io.Reader reader, java.lang.String file, int size)
Create a new packrat parser.

Method Summary

protected void	abort(xtc.parser.ParseError error) Signal an unrecoverable error in the parse.
protected <E extends Locatable> E	at(int start, int end, E e) Attach a source location to an expression.
protected <E extends Locatable> E	at(Locatable start, int end, E e) Attach a source location to a postfix operator.
protected <E extends Locatable> E	at(Locatable start, Locatable end, E e) Attach a source location to an infix binary operator.
protected xtc.parser.Column	newColumn()
xtc.parser.Result	pModule(int yyStart) Parse nonterminal orc.parser.OrcParserRats.Module.
xtc.parser.Result	pProgram(int yyStart) Parse nonterminal orc.parser.OrcParserRats.Program.

Methods inherited from class xtc.parser.ParserBase

apply, apply, cast, cast, character, column, difference, format, isEOF, lineAt, location, peek, resetTo, setLocation, setLocation, signal, value

Methods inherited from class java.lang.Object

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

Constructor Detail

OrcParserRats

public OrcParserRats(java.io.Reader reader,
                     java.lang.String file)

Create a new packrat parser.

Parameters:

reader - The reader.

file - The file name.

OrcParserRats

public OrcParserRats(java.io.Reader reader,
                     java.lang.String file,
                     int size)

Create a new packrat parser.

Parameters:

reader - The file reader.

file - The file name.

size - The file size.

OrcParserRats

public OrcParserRats(Config config,
                     java.io.Reader reader,
                     java.lang.String filename)

Method Detail

newColumn

protected xtc.parser.Column newColumn()

Specified by:

newColumn in class xtc.parser.ParserBase

pProgram

public xtc.parser.Result pProgram(int yyStart)
                           throws java.io.IOException

Parse nonterminal orc.parser.OrcParserRats.Program.

Parameters:

yyStart - The index.

Returns:

The result.

Throws:

java.io.IOException - Signals an I/O error.

pModule

public xtc.parser.Result pModule(int yyStart)
                          throws java.io.IOException

Parse nonterminal orc.parser.OrcParserRats.Module.

Parameters:

yyStart - The index.

Returns:

The result.

Throws:

java.io.IOException - Signals an I/O error.

at

protected final <E extends Locatable> E at(int start,
                                           int end,
                                           E e)

Attach a source location to an expression. Used like this: yyValue = at(yyStart, yyCount, yyValue)

at

protected final <E extends Locatable> E at(Locatable start,
                                           Locatable end,
                                           E e)

Attach a source location to an infix binary operator.

at

protected final <E extends Locatable> E at(Locatable start,
                                           int end,
                                           E e)

Attach a source location to a postfix operator.

abort

protected final void abort(xtc.parser.ParseError error)
                    throws java.io.IOException

Signal an unrecoverable error in the parse. See examples of how this is used in productions to prevent unwanted backtracking. This should be used with extreme care to ensure that it doesn't prevent necessary backtracking.

Throws:

java.io.IOException