Package org.jruby.runtime.scope

Class DynamicScopeGenerator

java.lang.Object

org.jruby.runtime.scope.DynamicScopeGenerator

public class DynamicScopeGenerator
extends Object

A generator for DynamicScope subclasses, using fields for storage and specializing appropriate methods.

Field Summary

Fields

Modifier and Type	Field	Description
private static final ClassDefiningClassLoader	CDCL
static final String	SCOPES_PACKAGE
static final String	SCOPES_PATH
static final List<String>	SPECIALIZED_GETS
static final List<String>	SPECIALIZED_GETS_OR_NIL
static final List<String>	SPECIALIZED_SETS
private static final NonBlockingHashMapLong<MethodHandle>	specializedFactories

Constructor Summary

Constructors

Constructor	Description
DynamicScopeGenerator()

Method Summary

Modifier and Type	Method	Description
private static String	classNameFromJiteClass(me.qmx.jitescript.JiteClass jiteClass)
private static Class	defineClass(ClassDefiningClassLoader cdcl, me.qmx.jitescript.JiteClass jiteClass)
static MethodHandle	generate(int size)
static Class	generateClassForSize(ClassDefiningClassLoader cdcl, int size)
private static Class	generateInternal(ClassDefiningClassLoader cdcl, int size, String clsPath, String clsName)
private static void	genGetSwitch(String clsPath, String[] newFields, me.qmx.jitescript.CodeBlock block, int offsetVar)
private static void	genPutSwitch(String clsPath, String[] newFields, me.qmx.jitescript.CodeBlock block, int offsetVar)
private static MethodHandle	getClassFromSize(int size)
private static Class	loadClassForSize(ClassDefiningClassLoader cdcl, int size)
static void	main(String[] args)	Pregenerate a number of scope shapes to the path given.
private static String[]	varList(int size)

Methods inherited from class java.lang.Object

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

Field Details

specializedFactories

private static final NonBlockingHashMapLong<MethodHandle> specializedFactories

CDCL

private static final ClassDefiningClassLoader CDCL

SCOPES_PACKAGE

public static final String SCOPES_PACKAGE

See Also:

• Constant Field Values

SCOPES_PATH

public static final String SCOPES_PATH

SPECIALIZED_GETS

public static final List<String> SPECIALIZED_GETS

SPECIALIZED_GETS_OR_NIL

public static final List<String> SPECIALIZED_GETS_OR_NIL

SPECIALIZED_SETS

public static final List<String> SPECIALIZED_SETS

Constructor Details

DynamicScopeGenerator

public DynamicScopeGenerator()

Method Details

generate

public static MethodHandle generate(int size)

main

public static void main(String[] args)

Pregenerate a number of scope shapes to the path given.

Parameters:

args - args[0] should be the path in which the classes are dumped

generateClassForSize

public static Class generateClassForSize(ClassDefiningClassLoader cdcl,
 int size)

loadClassForSize

private static Class loadClassForSize(ClassDefiningClassLoader cdcl,
 int size)

generateInternal

private static Class generateInternal(ClassDefiningClassLoader cdcl,
 int size,
 String clsPath,
 String clsName)

genGetSwitch

private static void genGetSwitch(String clsPath,
 String[] newFields,
 me.qmx.jitescript.CodeBlock block,
 int offsetVar)

genPutSwitch

private static void genPutSwitch(String clsPath,
 String[] newFields,
 me.qmx.jitescript.CodeBlock block,
 int offsetVar)

getClassFromSize

private static MethodHandle getClassFromSize(int size)

defineClass

private static Class defineClass(ClassDefiningClassLoader cdcl,
 me.qmx.jitescript.JiteClass jiteClass)

classNameFromJiteClass

private static String classNameFromJiteClass(me.qmx.jitescript.JiteClass jiteClass)

varList

private static String[] varList(int size)