parser
Class Parser

java.lang.Object
  parser.Parser

All Implemented Interfaces:

ParserConstants

public class Parser
extends java.lang.Object
implements ParserConstants

A class for performing syntactic analysis

Field Summary

static Token	jj_nt
static Token	token
static ParserTokenManager	token_source

Fields inherited from interface parser.ParserConstants

CLASS, DEFAULT, EOF, EXTENDS, ID, INT_CONST, STRING_CONST, tokenImage

Constructor Summary

Parser(java.io.InputStream stream)

Parser(java.io.InputStream stream, java.lang.String encoding)

Parser(ParserTokenManager tm)

Parser(java.io.Reader stream)

Parser(java.lang.String[] filenames, boolean debug)
Parser constructor

Method Summary

static void	disable_tracing()
static void	enable_tracing()
static ParseException	generateParseException()
static Token	getNextToken()
static Token	getToken(int index)
static Program	Goal()
Program	parse() Parse the program
static Class_	ParseClass()
static java.lang.String	ParseIdentifier()
static void	ReInit(java.io.InputStream stream)
static void	ReInit(java.io.InputStream stream, java.lang.String encoding)
void	ReInit(ParserTokenManager tm)
static void	ReInit(java.io.Reader stream)

Methods inherited from class java.lang.Object

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

Field Detail

token_source

public static ParserTokenManager token_source

token

public static Token token

jj_nt

public static Token jj_nt

Constructor Detail

Parser

public Parser(java.lang.String[] filenames,
              boolean debug)

Parser constructor

Parameters:

filenames - array of filenames for the source files

debug - flag indicating whether debugging is enabled

Parser

public Parser(java.io.InputStream stream)

Parser

public Parser(java.io.InputStream stream,
              java.lang.String encoding)

Parser

public Parser(java.io.Reader stream)

Parser

public Parser(ParserTokenManager tm)

Method Detail

parse

public Program parse()

Parse the program

Returns:

parsed program as an AST (abstract syntax tree)

Goal

public static final Program Goal()
                          throws ParseException

Throws:

ParseException

ParseClass

public static final Class_ ParseClass()
                               throws ParseException

Throws:

ParseException

ParseIdentifier

public static final java.lang.String ParseIdentifier()
                                              throws ParseException

Throws:

ParseException

ReInit

public static void ReInit(java.io.InputStream stream)

ReInit

public static void ReInit(java.io.InputStream stream,
                          java.lang.String encoding)

ReInit

public static void ReInit(java.io.Reader stream)

ReInit

public void ReInit(ParserTokenManager tm)

getNextToken

public static final Token getNextToken()

getToken

public static final Token getToken(int index)

generateParseException

public static ParseException generateParseException()

enable_tracing

public static final void enable_tracing()

disable_tracing

public static final void disable_tracing()