org.jboss.byteman.rule

Class RuleElement

java.lang.Object

org.jboss.byteman.rule.RuleElement

Direct Known Subclasses:

Action, Binding, Condition, Event, Expression

public abstract class RuleElement
extends Object

generic class implemented by rule events, conditions and actions which gives them access to the rule context and provides them with common behaviours

Field Summary

Fields

Modifier and Type	Field and Description
protected Rule	rule

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	RuleElement(Rule rule)

Method Summary

Modifier and Type	Method and Description
abstract void	compile(org.objectweb.asm.MethodVisitor mv, CompileContext compileContext)
protected void	compileBooleanConversion(Type fromType, Type toType, org.objectweb.asm.MethodVisitor mv, CompileContext compileContext)
protected void	compileBox(Type toType, org.objectweb.asm.MethodVisitor mv, CompileContext compileContext) box a value belonging to a primitive type
protected void	compileNumericConversion(Type fromType, Type toType, org.objectweb.asm.MethodVisitor mv, CompileContext compileContext)
protected void	compileObjectConversion(Type fromType, Type toType, org.objectweb.asm.MethodVisitor mv, CompileContext compileContext)
protected void	compilePrimitiveConversion(Type fromType, Type toType, org.objectweb.asm.MethodVisitor mv, CompileContext compileContext) compile code to convert a numeric or character primitive to a numeric or character primitive
protected void	compileStringConversion(Type fromType, Type toType, org.objectweb.asm.MethodVisitor mv, CompileContext compileContext)
protected void	compileTypeConversion(Type fromType, Type toType, org.objectweb.asm.MethodVisitor mv, CompileContext compileContext)
protected void	compileUnbox(Type fromType, Type toType, org.objectweb.asm.MethodVisitor mv, CompileContext compileContext) compile code to convert a value of a boxed type to a primitive type, possibly not the immediately related primitive type
protected Bindings	getBindings()
protected TypeGroup	getTypeGroup()
abstract Object	interpret(HelperAdapter helper)
protected Object	rebox(Type fromType, Type toType, Object value)
String	toString()
abstract Type	typeCheck(Type expected)
abstract void	writeTo(StringWriter stringWriter)

Methods inherited from class java.lang.Object

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

Field Detail

rule

protected Rule rule

Constructor Detail

RuleElement

protected RuleElement(Rule rule)

Method Detail

getTypeGroup

protected TypeGroup getTypeGroup()

getBindings

protected Bindings getBindings()

typeCheck

public abstract Type typeCheck(Type expected)
                        throws TypeException

Throws:

TypeException

interpret

public abstract Object interpret(HelperAdapter helper)
                          throws ExecuteException

Throws:

ExecuteException

compile

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

Throws:

CompileException

rebox

protected Object rebox(Type fromType,
                       Type toType,
                       Object value)

compileTypeConversion

protected void compileTypeConversion(Type fromType,
                                     Type toType,
                                     org.objectweb.asm.MethodVisitor mv,
                                     CompileContext compileContext)
                              throws CompileException

Throws:

CompileException

compileNumericConversion

protected void compileNumericConversion(Type fromType,
                                        Type toType,
                                        org.objectweb.asm.MethodVisitor mv,
                                        CompileContext compileContext)
                                 throws CompileException

Throws:

CompileException

compileUnbox

protected void compileUnbox(Type fromType,
                            Type toType,
                            org.objectweb.asm.MethodVisitor mv,
                            CompileContext compileContext)
                     throws CompileException

compile code to convert a value of a boxed type to a primitive type, possibly not the immediately related primitive type

Parameters:

fromType - the type of the value to be unboxed

toType - he type required after unboxing

mv - the current method visitor

compileContext - the current compile context

Throws:

CompileException - if a compile error occurs

compileBox

protected void compileBox(Type toType,
                          org.objectweb.asm.MethodVisitor mv,
                          CompileContext compileContext)
                   throws CompileException

box a value belonging to a primitive type

Parameters:

toType - the type required after boxing

mv - the current method visitor

compileContext - the current compile context

Throws:

CompileException - if a compile error occurs

compileStringConversion

protected void compileStringConversion(Type fromType,
                                       Type toType,
                                       org.objectweb.asm.MethodVisitor mv,
                                       CompileContext compileContext)
                                throws CompileException

Throws:

CompileException

compilePrimitiveConversion

protected void compilePrimitiveConversion(Type fromType,
                                          Type toType,
                                          org.objectweb.asm.MethodVisitor mv,
                                          CompileContext compileContext)
                                   throws CompileException

compile code to convert a numeric or character primitive to a numeric or character primitive

Parameters:

fromType - the type of the value to be converted

toType - the type required after conversion

mv - the current method visitor

compileContext - the current compile context

Throws:

CompileException - if a compile error occurs

compileBooleanConversion

protected void compileBooleanConversion(Type fromType,
                                        Type toType,
                                        org.objectweb.asm.MethodVisitor mv,
                                        CompileContext compileContext)
                                 throws CompileException

Throws:

CompileException

compileObjectConversion

protected void compileObjectConversion(Type fromType,
                                       Type toType,
                                       org.objectweb.asm.MethodVisitor mv,
                                       CompileContext compileContext)
                                throws CompileException

Throws:

CompileException

toString

public String toString()

Overrides:

toString in class Object

writeTo

public abstract void writeTo(StringWriter stringWriter)