sisc.reader
Class Lexer

java.lang.Object
  sisc.reader.Lexer

All Implemented Interfaces:

Tokens

public class Lexer
extends java.lang.Object
implements Tokens

Field Summary

static char[]	hex_number_prefixes
static char[]	number_prefixes
Quantity	nval
static char[]	protected_literal_barrier
Pair	prval
static char[]	reserved
static char[]	sharp_special
static char[]	special
static char[]	special_and_reserved
static char[]	special_initials
static char[]	special_subsequents
boolean	strictR5RS
java.lang.String	sval
static char[]	unprintable_characters

Fields inherited from interface sisc.reader.Tokens

TT_BACKQUOTE, TT_DOT, TT_ENDPAIR, TT_EOF, TT_NUMBER, TT_PAIR, TT_PIPE, TT_QUOTE, TT_SHARP, TT_STRING, TT_SYMBOL, TT_UNQUOTE, TT_UNQUOTE_SPLICING

Constructor Summary

Lexer()

Method Summary

int	_nextToken(java.io.PushbackReader is, int radix)
static boolean	contains(java.lang.String c, char[] set)
static boolean	in(char c, char[] set)
static boolean	isIdentifierStart(char c)
static boolean	isIdentifierSubsequent(char c)
static boolean	isPrintable(char c)
int	nextToken(java.io.PushbackReader is, int radix)
static boolean	numberStart(char c, int radix)
int	readChar(java.io.PushbackReader is)
int	readChar(java.io.PushbackReader is, boolean handleEscapes, boolean invertEscaped, boolean respectReserved)
int	readIgnoringWhitespace(java.io.PushbackReader is)
int	readPureChar(java.io.PushbackReader is)
java.lang.String	readToBreak(java.io.PushbackReader is, char[] stops, boolean handleEscapes, boolean ignoreEscapedBreaks)
java.lang.String	readToEndOfString(java.io.PushbackReader is)
void	skipMultilineComment(java.io.PushbackReader in)

Methods inherited from class java.lang.Object

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

Field Detail

special

public static final char[] special

sharp_special

public static final char[] sharp_special

number_prefixes

public static final char[] number_prefixes

hex_number_prefixes

public static final char[] hex_number_prefixes

reserved

public static final char[] reserved

special_and_reserved

public static final char[] special_and_reserved

special_initials

public static final char[] special_initials

special_subsequents

public static final char[] special_subsequents

protected_literal_barrier

public static final char[] protected_literal_barrier

unprintable_characters

public static final char[] unprintable_characters

strictR5RS

public boolean strictR5RS

sval

public java.lang.String sval

nval

public Quantity nval

prval

public Pair prval

Constructor Detail

Lexer

public Lexer()

Method Detail

isIdentifierStart

public static final boolean isIdentifierStart(char c)

isIdentifierSubsequent

public static final boolean isIdentifierSubsequent(char c)

isPrintable

public static final boolean isPrintable(char c)

readIgnoringWhitespace

public int readIgnoringWhitespace(java.io.PushbackReader is)
                           throws java.io.IOException

Throws:

java.io.IOException

nextToken

public int nextToken(java.io.PushbackReader is,
                     int radix)
              throws java.io.IOException

Throws:

java.io.IOException

_nextToken

public int _nextToken(java.io.PushbackReader is,
                      int radix)
               throws java.io.IOException

Throws:

java.io.IOException

readChar

public int readChar(java.io.PushbackReader is)
             throws java.io.IOException

Throws:

java.io.IOException

readPureChar

public int readPureChar(java.io.PushbackReader is)
                 throws java.io.IOException

Throws:

java.io.IOException

readChar

public int readChar(java.io.PushbackReader is,
                    boolean handleEscapes,
                    boolean invertEscaped,
                    boolean respectReserved)
             throws java.io.IOException

Throws:

java.io.IOException

readToEndOfString

public java.lang.String readToEndOfString(java.io.PushbackReader is)
                                   throws java.io.IOException

Throws:

java.io.IOException

readToBreak

public java.lang.String readToBreak(java.io.PushbackReader is,
                                    char[] stops,
                                    boolean handleEscapes,
                                    boolean ignoreEscapedBreaks)
                             throws java.io.IOException

Throws:

java.io.IOException

numberStart

public static boolean numberStart(char c,
                                  int radix)

in

public static boolean in(char c,
                         char[] set)

contains

public static boolean contains(java.lang.String c,
                               char[] set)

skipMultilineComment

public void skipMultilineComment(java.io.PushbackReader in)
                          throws java.io.IOException

Throws:

java.io.IOException