jfun.parsec.tokens

Class Tokens

java.lang.Object

jfun.parsec.tokens.Tokens

public final class Tokens
extends java.lang.Object

This class create some basic tokens.

Author:

Ben Yu 2004-11-15

Constructor Summary

Constructors

Constructor and Description
Tokens()

Method Summary

Methods

Modifier and Type	Method and Description
static java.lang.Character	char_literal(char c) create a character literal token.
static <T> TypedToken<T>	createTypedToken(java.lang.String text, T type) Create a typed token.
static TokenDecimal	decimal_literal(java.lang.String s) create a decimal literal token object.
static jfun.parsec.tokens.TokenEof	eof() Get a token instance for eof.
static java.lang.Long	int_literal(long n) Deprecated. use long_literal(long) instead.
static java.lang.Long	long_literal(long n) Create a integer literal token whose value is within the range of a long integer.
static MyToken	my(java.lang.String text, int kind) Deprecated.
static TokenQuoted	quoted_string(java.lang.String open, java.lang.String close, java.lang.String s) Create a quoted string token.
static TokenReserved	reserved(java.lang.String n) create a TokenReserved object.
static java.lang.String	str_literal(java.lang.String s) Create a string literal token.
static TokenWord	word(java.lang.String n) create a TokenWord object.

Methods inherited from class java.lang.Object

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

Constructor Detail

Tokens

public Tokens()

Method Detail

createTypedToken

public static <T> TypedToken<T> createTypedToken(java.lang.String text,
                                 T type)

Create a typed token.

Parameters:

text - the token text.

type - the token type.

Returns:

the TypedToken object.

Since:

version 1.1

reserved

public static TokenReserved reserved(java.lang.String n)

create a TokenReserved object.

Parameters:

n - the reserved word.

Returns:

the token object.

word

public static TokenWord word(java.lang.String n)

create a TokenWord object.

Parameters:

n - the word.

Returns:

the token object.

my

@Deprecated
public static MyToken my(java.lang.String text,
                    int kind)

Deprecated.

Create a MyToken object.

Parameters:

text - the text.

kind - the kind.

Returns:

the token object.

decimal_literal

public static TokenDecimal decimal_literal(java.lang.String s)

create a decimal literal token object.

Parameters:

s - the decimal string representation.

Returns:

the token object.

char_literal

public static java.lang.Character char_literal(char c)

create a character literal token.

Parameters:

c - the character.

Returns:

the token object.

int_literal

public static java.lang.Long int_literal(long n)

Deprecated. use long_literal(long) instead.

Create a integer litgeral token

Parameters:

n - the number

Returns:

the token object.

long_literal

public static java.lang.Long long_literal(long n)

Create a integer literal token whose value is within the range of a long integer.

Parameters:

n - the number

Returns:

the token object.

Since:

version 0.6

quoted_string

public static TokenQuoted quoted_string(java.lang.String open,
                        java.lang.String close,
                        java.lang.String s)

Create a quoted string token.

Parameters:

open - the open quote

close - the close quote

s - the quoted string

Returns:

the token object.

str_literal

public static java.lang.String str_literal(java.lang.String s)

Create a string literal token.

Parameters:

s - the string literal.

Returns:

the token object.

eof

public static jfun.parsec.tokens.TokenEof eof()

Get a token instance for eof.

Since:

version 1.1