Package jflex.generator

Class CountEmitter

java.lang.Object

jflex.generator.PackEmitter

jflex.generator.CountEmitter

public class CountEmitter
extends PackEmitter

An emitter for an array encoded as count/value pairs in a string.

Version:

JFlex 1.8.2

Field Summary

Fields

Modifier and Type	Field	Description
private int	numEntries	number of entries in expanded array
private int	translate	translate all values by this amount

Fields inherited from class jflex.generator.PackEmitter

chunks, name, out

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	CountEmitter(java.lang.String name)	Create a count/value emitter for a specific field.

Method Summary

Modifier and Type	Method	Description
void	emit(int count, int value)	Emit one count/value pair.
void	emitCountValueString(int[] a)	Emits a plain int array as a count/value string.
void	emitUnpack()	Emits count/value unpacking code for the generated array.
void	setValTranslation(int i)	Translate all values by given amount.

Methods inherited from class jflex.generator.PackEmitter

breaks, constName, emitInit, emitUC, nl, println, toString

Methods inherited from class java.lang.Object

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

Field Detail

numEntries

private int numEntries

number of entries in expanded array

translate

private int translate

translate all values by this amount

Constructor Detail

CountEmitter

protected CountEmitter(java.lang.String name)

Create a count/value emitter for a specific field.

Parameters:

name - name of the generated array

Method Detail

emitUnpack

public void emitUnpack()

Emits count/value unpacking code for the generated array.

Specified by:

emitUnpack in class PackEmitter

See Also:

PackEmitter.emitUnpack()

setValTranslation

public void setValTranslation(int i)

Translate all values by given amount.

Use to move value interval from [0, 0xFFFF] to something different.

Parameters:

i - amount the value will be translated by. Example: i = 1 allows values in [-1, 0xFFFE].

emit

public void emit(int count,
                 int value)

Emit one count/value pair.

Automatically translates value by the translate value.

Parameters:

count - a int.

value - a int.

See Also:

setValTranslation(int)

emitCountValueString

public void emitCountValueString(int[] a)

Emits a plain int array as a count/value string. Expects the preamble code (declaration, javadoc) to already be emitted. Values in the array must be no larger than 0xFFFF (encoded as char), array must have at least one element.