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silk
Class InputPort  

java.lang.Object
  silk.InputPort

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public class InputPort

extends java.lang.Object

InputPort is to Scheme as InputStream is to Java.

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Field Summary
(package private)  java.lang.StringBuffer	buff
static Symbol	EOF           The distinguished end of file marking object.
(package private)  java.io.LineNumberReader	in
(package private)  boolean	isPushedChar
(package private)  boolean	isPushedToken
(package private)  int	pushedChar
(package private)  java.lang.Object	pushedToken
(package private)  int	radix

 

Constructor Summary

InputPort(java.io.InputStream in)           Construct an InputPort from an InputStream.

InputPort(java.io.Reader in)           Construct an InputPort from a Reader.

 

Method Summary
java.lang.Object	close()           Close the port.
private  char	escapechar(int c)
int	getLineNumber()
private  boolean	isDelimiter(int ch)
(package private) static java.lang.Object	lookupGlobal(Symbol var)
private  java.lang.String	moveBufToString(java.lang.StringBuffer b)
static java.lang.Number	negate(java.lang.Number n)
private  int	peekCh()           Peek at and return the next Scheme character as an int, -1 for EOF.
java.lang.Object	peekChar()           Peek at and return the next Scheme character (or EOF).
private  int	popChar()           Pop off the previously pushed character.
private  int	pushChar(int ch)           Push a character back to be re-used later.
java.lang.Object	read()
java.lang.Object	readChar()           Read and return a Scheme character or EOF.
static java.lang.Number	readFloatingPoint(java.lang.String s)
private  java.lang.Object	readHashToken()
private  java.lang.Object	readNumberOrSymbol(int ch)
private  java.lang.String	readString()
private  java.lang.Object	readTail(boolean dotOK)
private  java.lang.Object	readToken()
static java.lang.Number	readWholeNumber(java.lang.String s)

 

Methods inherited from class java.lang.Object

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

 

Field Detail

EOF

public static final Symbol EOF

The distinguished end of file marking object.

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isPushedToken

boolean isPushedToken

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isPushedChar

boolean isPushedChar

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pushedToken

java.lang.Object pushedToken

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pushedChar

int pushedChar

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radix

int radix

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in

java.io.LineNumberReader in

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buff

java.lang.StringBuffer buff

Constructor Detail

InputPort

public InputPort(java.io.InputStream in)

Construct an InputPort from an InputStream.

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InputPort

public InputPort(java.io.Reader in)

Construct an InputPort from a Reader.

Method Detail

readChar

public java.lang.Object readChar()

Read and return a Scheme character or EOF.

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peekChar

public java.lang.Object peekChar()

Peek at and return the next Scheme character (or EOF). However, don't consume the character.

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pushChar

private int pushChar(int ch)

Push a character back to be re-used later.

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popChar

private int popChar()

Pop off the previously pushed character.

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peekCh

private int peekCh()

Peek at and return the next Scheme character as an int, -1 for EOF. However, don't consume the character.

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getLineNumber

public int getLineNumber()

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read

public java.lang.Object read()

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close

public java.lang.Object close()

Close the port. Return TRUE if ok.

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readTail

private java.lang.Object readTail(boolean dotOK)
                           throws java.io.IOException

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readToken

private java.lang.Object readToken()
                            throws java.io.IOException

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readString

private java.lang.String readString()

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moveBufToString

private java.lang.String moveBufToString(java.lang.StringBuffer b)

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readNumberOrSymbol

private java.lang.Object readNumberOrSymbol(int ch)
                                     throws java.io.IOException

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readWholeNumber

public static java.lang.Number readWholeNumber(java.lang.String s)
                                        throws java.lang.NumberFormatException

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negate

public static java.lang.Number negate(java.lang.Number n)

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readFloatingPoint

public static java.lang.Number readFloatingPoint(java.lang.String s)
                                          throws java.lang.NumberFormatException

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readHashToken

private java.lang.Object readHashToken()
                                throws java.io.IOException

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escapechar

private char escapechar(int c)
                 throws java.io.IOException

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isDelimiter

private boolean isDelimiter(int ch)

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lookupGlobal

static java.lang.Object lookupGlobal(Symbol var)

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SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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