jAsea
Class Tokenizer

java.lang.Object
  |
  +--jAsea.Tokenizer

All Implemented Interfaces:

TokenizerConstants

class Tokenizer

extends java.lang.Object

implements TokenizerConstants

Field Summary

(package private) int	currentChar
(package private) Token	last_token
static java.lang.String	N_Add
static java.lang.String	N_AddOp
static java.lang.String	N_And
static java.lang.String	N_Comp
static java.lang.String	N_CompOp
static java.lang.String	N_Expr
static java.lang.String	N_Ident
static java.lang.String	N_Mult
static java.lang.String	N_MultOp
static java.lang.String	N_Or
static java.lang.String	N_Postfix
static java.lang.String	N_Primary
static java.lang.String	N_Unary
(package private) java.lang.String	s
static int	T_AddOp
static int	T_AndOp
static int	T_Comma
static int	T_CompOp
static int	T_EOS
static int	T_Ident
static int	T_Integer
static int	T_LParen
static int	T_MultOp
static int	T_OrOp
static int	T_RParen
static int	T_Variable
(package private) boolean	token_avail
static java.lang.String[]	Type_Names

Constructor Summary

(package private)

Tokenizer(java.lang.String _s)

Method Summary

(package private) boolean	isalnum(char ch)
(package private) boolean	isalpha(char ch)
(package private) boolean	isdigit(char ch)
(package private) Token	next_token()
(package private) void	printTokens()
(package private) static void	printTokens(java.lang.String s)
(package private) void	push_back()
(package private) Token	token(int i)

Methods inherited from class java.lang.Object

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

Field Detail

currentChar

int currentChar

last_token

Token last_token

token_avail

boolean token_avail

s

java.lang.String s

T_Variable

public static final int T_Variable

See Also:

Constant Field Values

T_LParen

public static final int T_LParen

See Also:

Constant Field Values

T_RParen

public static final int T_RParen

See Also:

Constant Field Values

T_Integer

public static final int T_Integer

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Constant Field Values

T_AddOp

public static final int T_AddOp

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Constant Field Values

T_MultOp

public static final int T_MultOp

See Also:

Constant Field Values

T_CompOp

public static final int T_CompOp

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Constant Field Values

T_Comma

public static final int T_Comma

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Constant Field Values

T_Ident

public static final int T_Ident

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Constant Field Values

T_AndOp

public static final int T_AndOp

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Constant Field Values

T_OrOp

public static final int T_OrOp

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Constant Field Values

T_EOS

public static final int T_EOS

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Constant Field Values

Type_Names

public static final java.lang.String[] Type_Names

N_Expr

public static final java.lang.String N_Expr

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Constant Field Values

N_Or

public static final java.lang.String N_Or

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Constant Field Values

N_And

public static final java.lang.String N_And

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Constant Field Values

N_Comp

public static final java.lang.String N_Comp

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Constant Field Values

N_Add

public static final java.lang.String N_Add

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Constant Field Values

N_Mult

public static final java.lang.String N_Mult

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Constant Field Values

N_Unary

public static final java.lang.String N_Unary

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Constant Field Values

N_Postfix

public static final java.lang.String N_Postfix

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Constant Field Values

N_Primary

public static final java.lang.String N_Primary

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Constant Field Values

N_Ident

public static final java.lang.String N_Ident

See Also:

Constant Field Values

N_MultOp

public static final java.lang.String N_MultOp

See Also:

Constant Field Values

N_AddOp

public static final java.lang.String N_AddOp

See Also:

Constant Field Values

N_CompOp

public static final java.lang.String N_CompOp

See Also:

Constant Field Values

Constructor Detail

Tokenizer

Tokenizer(java.lang.String _s)

Method Detail

printTokens

static void printTokens(java.lang.String s)

printTokens

void printTokens()

push_back

void push_back()

next_token

Token next_token()

token

Token token(int i)

isdigit

boolean isdigit(char ch)

isalpha

boolean isalpha(char ch)

isalnum

boolean isalnum(char ch)