OptionSet (Jikes RVM API)

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org.jikesrvm.options
Class OptionSet

java.lang.Object
  org.vmutil.options.OptionSet
      org.jikesrvm.options.OptionSet

public final class OptionSet
extends OptionSet
extends OptionSet

Class to handle command-line arguments and options for GC.

Field Summary
`static OptionSet`	`gc`
`private String`	`prefix`

Constructor Summary
`private`	`OptionSet(String prefix)`

Method Summary
`protected int`	`bytesToPages(Extent bytes)` Convert bytes into pages, rounding up if necessary.
`protected String`	`computeKey(String name)` Determine the VM specific key for a given option name.
`protected void`	`fail(Option o, String message)` A fatal error occurred during the setting of an option.
`protected void`	`logNewLine()` Print a new line.
`protected void`	`logString(String s)` Log a string.
`protected void`	`logValue(Option o, boolean forXml)` Format and log an option value.
`protected Extent`	`pagesToBytes(int pages)` Convert from pages into bytes.
`void`	`printHelp()` Print a short description of every option
`void`	`printOptions()` Print out the option values
`boolean`	`process(String arg)` Take a string (most likely a command-line argument) and try to proccess it as an option command.
`protected void`	`warn(Option o, String message)` A non-fatal error occurred during the setting of an option.

Methods inherited from class org.vmutil.options.OptionSet
`getFirst, getOption, log, logChange, logXml, logXml`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

prefix

private String prefix

gc

public static final OptionSet gc

Constructor Detail

OptionSet

private OptionSet(String prefix)

Method Detail

process

public boolean process(String arg)

Take a string (most likely a command-line argument) and try to proccess it as an option command. Return true if the string was understood, false otherwise.

Parameters:: arg - a String to try to process as an option command
Returns:: true if successful, false otherwise

printHelp

public void printHelp()

Print a short description of every option

printOptions

public void printOptions()

Print out the option values