org.jruby

Class Main

java.lang.Object

org.jruby.Main

public class Main
extends java.lang.Object

Class used to launch the interpreter. This is the main class as defined in the jruby.mf manifest. It is very basic and does not support yet the same array of switches as the C interpreter. Usage: java -jar jruby.jar [switches] [rubyfile.rb] [arguments] -e 'command' one line of script. Several -e's allowed. Omit [programfile]

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Main.Status

Field Summary

Fields

Modifier and Type	Field and Description
private RubyInstanceConfig	config
private static Logger	LOG

Constructor Summary

Constructors

Modifier	Constructor and Description
	Main()
private	Main(boolean hardExit)
	Main(java.io.InputStream in, java.io.PrintStream out, java.io.PrintStream err)
	Main(RubyInstanceConfig config)
private	Main(RubyInstanceConfig config, boolean hardExit)

Method Summary

Modifier and Type	Method and Description
private boolean	checkFileSyntax(Ruby runtime, java.lang.String filename)
private boolean	checkStreamSyntax(Ruby runtime, java.io.InputStream in, java.lang.String filename)
private void	doCheckSecurityManager()
private Main.Status	doCheckSyntax(Ruby runtime, java.io.InputStream in, java.lang.String filename)
private static void	doGCJCheck()
private void	doPrintProperties()
private void	doPrintUsage(boolean force)
private void	doProcessArguments(java.io.InputStream in)
private Main.Status	doRunFromMain(Ruby runtime, java.io.InputStream in, java.lang.String filename)
private void	doSetContextClassLoader(Ruby runtime)
private void	doShowCopyright()
private void	doShowVersion()
private static java.util.List<java.lang.String>	getDotfileDirectories()
private java.lang.String	getRuntimeFlagValue(java.lang.String prefix)
private Main.Status	handleMainExit(MainExitException mee)
private Main.Status	handleOutOfMemory(java.lang.OutOfMemoryError oome) Print a nicer memory error since Rubyists aren't used to seeing this.
protected static int	handleRaiseException(RaiseException rj)
private Main.Status	handleStackOverflow(java.lang.StackOverflowError soe) Print a nicer stack size error since Rubyists aren't used to seeing this.
private Main.Status	handleUnsupportedClassVersion(java.lang.UnsupportedClassVersionError ucve)
private Main.Status	internalRun()
private static void	loadJRubyProperties(java.io.File dotfile)
static void	main(java.lang.String[] args) This is the command-line entry point for JRuby, and should ONLY be used by Java when starting up JRuby from a command-line.
static void	processDotfile()
Main.Status	run() Deprecated.
Main.Status	run(java.lang.String[] args)

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final Logger LOG

config

private final RubyInstanceConfig config

Constructor Detail

Main

public Main(RubyInstanceConfig config)

Main

public Main(java.io.InputStream in,
            java.io.PrintStream out,
            java.io.PrintStream err)

Main

public Main()

Main

private Main(RubyInstanceConfig config,
             boolean hardExit)

Main

private Main(boolean hardExit)

Method Detail

getDotfileDirectories

private static java.util.List<java.lang.String> getDotfileDirectories()

processDotfile

public static void processDotfile()

loadJRubyProperties

private static void loadJRubyProperties(java.io.File dotfile)

main

public static void main(java.lang.String[] args)

This is the command-line entry point for JRuby, and should ONLY be used by Java when starting up JRuby from a command-line. Use other mechanisms when embedding JRuby into another application.

Parameters:

args - command-line args, provided by the JVM.

run

public Main.Status run(java.lang.String[] args)

run

@Deprecated
public Main.Status run()

Deprecated.

internalRun

private Main.Status internalRun()

handleUnsupportedClassVersion

private Main.Status handleUnsupportedClassVersion(java.lang.UnsupportedClassVersionError ucve)

handleStackOverflow

private Main.Status handleStackOverflow(java.lang.StackOverflowError soe)

Print a nicer stack size error since Rubyists aren't used to seeing this.

handleOutOfMemory

private Main.Status handleOutOfMemory(java.lang.OutOfMemoryError oome)

Print a nicer memory error since Rubyists aren't used to seeing this.

getRuntimeFlagValue

private java.lang.String getRuntimeFlagValue(java.lang.String prefix)

handleMainExit

private Main.Status handleMainExit(MainExitException mee)

doRunFromMain

private Main.Status doRunFromMain(Ruby runtime,
                                  java.io.InputStream in,
                                  java.lang.String filename)

doCheckSyntax

private Main.Status doCheckSyntax(Ruby runtime,
                                  java.io.InputStream in,
                                  java.lang.String filename)
                           throws RaiseException

Throws:

RaiseException

checkFileSyntax

private boolean checkFileSyntax(Ruby runtime,
                                java.lang.String filename)

checkStreamSyntax

private boolean checkStreamSyntax(Ruby runtime,
                                  java.io.InputStream in,
                                  java.lang.String filename)

doSetContextClassLoader

private void doSetContextClassLoader(Ruby runtime)

doProcessArguments

private void doProcessArguments(java.io.InputStream in)

doPrintProperties

private void doPrintProperties()

doPrintUsage

private void doPrintUsage(boolean force)

doShowCopyright

private void doShowCopyright()

doShowVersion

private void doShowVersion()

doGCJCheck

private static void doGCJCheck()

doCheckSecurityManager

private void doCheckSecurityManager()

handleRaiseException

protected static int handleRaiseException(RaiseException rj)