Package org.jboss.byteman.rule.binding

Class Binding

java.lang.Object

org.jboss.byteman.rule.RuleElement

org.jboss.byteman.rule.binding.Binding

public class Binding
extends RuleElement

Class used to store a binding of a named variable to a value of some given type

Field Summary

Fields

Modifier and Type	Field	Description
private Binding	alias
private static final int	BIND_VAR
private int	callArrayIndex
private String	descriptor
(package private) boolean	doCheckCast
private static final int	HELPER
private int	index
private static final int	INVOKE_PARAM_ARRAY_VAR
private static final int	LOCAL_VAR
private int	localIndex
private String	name
private static final int	PARAM_ARRAY_VAR
private static final int	PARAM_COUNT_VAR
private static final int	RETURN_VAR
private static final int	THROWABLE_VAR
private Type	type
(package private) boolean	updated
private Expression	value

Fields inherited from class org.jboss.byteman.rule.RuleElement

rule

Constructor Summary

Constructors

Constructor	Description
Binding(Rule rule, String name)
Binding(Rule rule, String name, Type type)
Binding(Rule rule, String name, Type type, Expression value)

Method Summary

Modifier and Type	Method	Description
void	aliasTo(Binding alias)
void	compile(org.objectweb.asm.MethodVisitor mv, CompileContext compileContext)
Binding	getAlias()
int	getCallArrayIndex()
String	getDescriptor()
int	getIndex()
String	getIVarName()
int	getLocalIndex()
String	getName()
Type	getType()
Expression	getValue()
Object	interpret(HelperAdapter helper)
boolean	isAlias()
boolean	isBindVar()
boolean	isHelper()
boolean	isInvokeParamArray()
boolean	isLocalVar()
boolean	isNewClass()
boolean	isParam()
boolean	isParamArray()
boolean	isParamCount()
boolean	isRecipient()
boolean	isReturn()
boolean	isThrowable()
boolean	isTriggerClass()
boolean	isTriggerMethod()
boolean	isUpdated()	record that this binding occurs on the LHS of an assignment
private void	resolveUnknownAgainstDerived(Type derived)
void	setCallArrayIndex(int callArrayIndex)
void	setDescriptor(String desc)
void	setLocalIndex(int localIndex)
void	setType(Type type)
void	setUpdated()	record that this binding occurs on the LHS of an assignment
Expression	setValue(Expression value)
Type	typeCheck(Type expected)
void	writeTo(StringWriter stringWriter)

Methods inherited from class org.jboss.byteman.rule.RuleElement

getBindings, getTypeGroup, rebox, toString

Methods inherited from class java.lang.Object

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

Field Details

HELPER

private static final int HELPER

See Also:

• Constant Field Values

BIND_VAR

private static final int BIND_VAR

See Also:

• Constant Field Values

LOCAL_VAR

private static final int LOCAL_VAR

See Also:

• Constant Field Values

RETURN_VAR

private static final int RETURN_VAR

See Also:

• Constant Field Values

THROWABLE_VAR

private static final int THROWABLE_VAR

See Also:

• Constant Field Values

PARAM_COUNT_VAR

private static final int PARAM_COUNT_VAR

See Also:

• Constant Field Values

PARAM_ARRAY_VAR

private static final int PARAM_ARRAY_VAR

See Also:

• Constant Field Values

INVOKE_PARAM_ARRAY_VAR

private static final int INVOKE_PARAM_ARRAY_VAR

See Also:

• Constant Field Values

name

private String name

descriptor

private String descriptor

type

private Type type

value

private Expression value

index

private int index

callArrayIndex

private int callArrayIndex

localIndex

private int localIndex

alias

private Binding alias

updated

boolean updated

doCheckCast

boolean doCheckCast

Constructor Details

Binding

public Binding(Rule rule,
 String name)

Binding

public Binding(Rule rule,
 String name,
 Type type)

Binding

public Binding(Rule rule,
 String name,
 Type type,
 Expression value)

Method Details

typeCheck

public Type typeCheck(Type expected)
               throws TypeException

Specified by:

typeCheck in class RuleElement

Throws:

TypeException

resolveUnknownAgainstDerived

private void resolveUnknownAgainstDerived(Type derived)
                                   throws TypeException

Throws:

TypeException

interpret

public Object interpret(HelperAdapter helper)
                 throws ExecuteException

Specified by:

interpret in class RuleElement

Throws:

ExecuteException

compile

public void compile(org.objectweb.asm.MethodVisitor mv,
 CompileContext compileContext)
             throws CompileException

Specified by:

compile in class RuleElement

Throws:

CompileException

getName

public String getName()

getIVarName

public String getIVarName()

getValue

public Expression getValue()

setValue

public Expression setValue(Expression value)

getType

public Type getType()

setType

public void setType(Type type)

getCallArrayIndex

public int getCallArrayIndex()

setCallArrayIndex

public void setCallArrayIndex(int callArrayIndex)

getLocalIndex

public int getLocalIndex()

setLocalIndex

public void setLocalIndex(int localIndex)

isParam

public boolean isParam()

isRecipient

public boolean isRecipient()

isHelper

public boolean isHelper()

isBindVar

public boolean isBindVar()

isLocalVar

public boolean isLocalVar()

isReturn

public boolean isReturn()

isThrowable

public boolean isThrowable()

isParamCount

public boolean isParamCount()

isParamArray

public boolean isParamArray()

isInvokeParamArray

public boolean isInvokeParamArray()

isTriggerClass

public boolean isTriggerClass()

isTriggerMethod

public boolean isTriggerMethod()

isNewClass

public boolean isNewClass()

getIndex

public int getIndex()

getDescriptor

public String getDescriptor()

setDescriptor

public void setDescriptor(String desc)

setUpdated

public void setUpdated()

record that this binding occurs on the LHS of an assignment

isUpdated

public boolean isUpdated()

record that this binding occurs on the LHS of an assignment

Returns:

true if this binding occurs on the LHS

writeTo

public void writeTo(StringWriter stringWriter)

Specified by:

writeTo in class RuleElement

aliasTo

public void aliasTo(Binding alias)

isAlias

public boolean isAlias()

getAlias

public Binding getAlias()