net.jangaroo.jooc
Class ScannerBase

java.lang.Object
  net.jangaroo.jooc.ScannerBase

All Implemented Interfaces:

sym

public abstract class ScannerBase
extends Object
implements sym

Field Summary

protected String	fileName
protected InputSource	inputSource
protected String	multiStateText
protected JooSymbol	pushedBackToken
protected StringBuffer	string
protected static HashMap<Integer,String>	symbolMap
protected int	vectorNestingLevel
protected String	whitespace

Fields inherited from interface net.jangaroo.jooc.sym

AND, ANDAND, ANDANDEQ, ANDEQ, ANYTYPE, AS, BITNOT, BOOL_LITERAL, BREAK, CASE, CATCH, CLASS, COLON, COMMA, CONST, CONTINUE, DEFAULT, DELETE, DIV, DIVEQ, DO, DOT, DOTLT, ELSE, EOF, EQ, EQEQ, EQEQEQ, error, EXTENDS, FINALLY, FLOAT_LITERAL, FOR, FUNCTION, FUNCTION_EXPR, GT, GTEQ, IDE, IF, IMPLEMENTS, IMPORT, IN, INSTANCEOF, INT_LITERAL, INTERFACE, INTERNAL, IS, LBRACE, LBRACE_EXPR, LBRACK, LPAREN, LSHIFT, LSHIFTEQ, LT, LTEQ, MINUS, MINUSEQ, MINUSMINUS, MOD, MODEQ, MUL, MULTEQ, NAMESPACESEP, NEW, NO_LINE_TERMINATOR_HERE, NO_LINE_TERMINATOR_HERE_POSTFIX_OP, NOT, NOTEQ, NOTEQEQ, NULL_LITERAL, OR, OREQ, OROR, OROREQ, PACKAGE, PLUS, PLUSEQ, PLUSPLUS, POSTFIX_INCREMENT, PREFIX_MINUS, PREFIX_MINUSMINUS, PREFIX_PLUS, PREFIX_PLUSPLUS, PRIVATE, PROTECTED, PUBLIC, QUESTION, RBRACE, RBRACK, REGEXP_LITERAL, REGEXP_START, REST, RETURN, RPAREN, RSHIFT, RSHIFTEQ, SCAN_ERROR, SEMICOLON, STRING_LITERAL, SUPER, SWITCH, THIS, THROW, TRY, TYPEOF, URSHIFT, URSHIFTEQ, USE, VAR, VOID, WHILE, WITH, XOR, XOREQ

Constructor Summary

ScannerBase()

Method Summary

Reader	createIncludeReader(String include)
protected static void	defsym(String abbrev, int sym)
protected void	error(String msg)
InputSource	getInputSource()
String	getSymbolAbbreviation(int sym)
protected abstract JooSymbol	multiStateSymbol(int type, Object value)
java_cup.runtime.Symbol	next_token()
void	pushback(JooSymbol token) Pushback the current token so that it will be read again the next time next_token() is called
abstract java_cup.runtime.Symbol	scan()
void	setInputSource(InputSource in)
protected abstract JooSymbol	symbol(int type)
protected abstract JooSymbol	symbol(int type, Object value)

Methods inherited from class java.lang.Object

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

Field Detail

whitespace

protected String whitespace

multiStateText

protected String multiStateText

string

protected StringBuffer string

fileName

protected String fileName

inputSource

protected InputSource inputSource

pushedBackToken

protected JooSymbol pushedBackToken

vectorNestingLevel

protected int vectorNestingLevel

symbolMap

protected static HashMap<Integer,String> symbolMap

Constructor Detail

ScannerBase

public ScannerBase()

Method Detail

scan

public abstract java_cup.runtime.Symbol scan()
                                      throws IOException

Throws:

IOException

next_token

public java_cup.runtime.Symbol next_token()
                                   throws IOException

Throws:

IOException

pushback

public void pushback(JooSymbol token)

Pushback the current token so that it will be read again the next time next_token() is called

Parameters:

token - the token

getInputSource

public InputSource getInputSource()

setInputSource

public void setInputSource(InputSource in)

createIncludeReader

public Reader createIncludeReader(String include)
                           throws IOException

Throws:

IOException

symbol

protected abstract JooSymbol symbol(int type)

symbol

protected abstract JooSymbol symbol(int type,
                                    Object value)

multiStateSymbol

protected abstract JooSymbol multiStateSymbol(int type,
                                              Object value)

error

protected void error(String msg)
              throws net.jangaroo.jooc.ScannerBase.ScanError

Throws:

net.jangaroo.jooc.ScannerBase.ScanError

defsym

protected static void defsym(String abbrev,
                             int sym)

getSymbolAbbreviation

public String getSymbolAbbreviation(int sym)