Package org.jacop.util.fsm

Class LexicalAnalyzer

java.lang.Object

org.jacop.util.fsm.LexicalAnalyzer

class LexicalAnalyzer
extends java.lang.Object

Version:

4.8

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static int	Beginning
(package private) static int	DOT
(package private) static int	EOF
private java.io.StreamTokenizer	input
(package private) static int	INVALID_CHAR
(package private) static int	LEFT_PAREN
(package private) static int	NO_TOKEN
(package private) static int	Operator
(package private) static int	PLUS
(package private) static int	RIGHT_PAREN
(package private) static int	STAR
(package private) static int	WORD

Constructor Summary

Constructors

Constructor	Description
LexicalAnalyzer(java.io.StringReader in)	Constructor creating a Lexical Analyzer.

Method Summary

Modifier and Type	Method	Description
(package private) java.lang.String	getString()	Return the string recognized as word token or the body of a quoted string.
(package private) int	nextToken()	Return the type of the next token.

Methods inherited from class java.lang.Object

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

Field Detail

input

private java.io.StreamTokenizer input

INVALID_CHAR

static final int INVALID_CHAR

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Constant Field Values

NO_TOKEN

static final int NO_TOKEN

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Constant Field Values

PLUS

static final int PLUS

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Constant Field Values

DOT

static final int DOT

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Constant Field Values

WORD

static final int WORD

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Constant Field Values

LEFT_PAREN

static final int LEFT_PAREN

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Constant Field Values

RIGHT_PAREN

static final int RIGHT_PAREN

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Constant Field Values

STAR

static final int STAR

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Constant Field Values

EOF

static final int EOF

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Constant Field Values

Operator

static final int Operator

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Constant Field Values

Beginning

static final int Beginning

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Constant Field Values

Constructor Detail

LexicalAnalyzer

LexicalAnalyzer(java.io.StringReader in)

Constructor creating a Lexical Analyzer.

Parameters:

in - the StringReader providing the characters which are being analyzed.

Method Detail

getString

java.lang.String getString()

Return the string recognized as word token or the body of a quoted string.

nextToken

int nextToken()

Return the type of the next token. For word and quoted string tokens, the string that the token represents can be fetched by calling the getString method.