heap

package
v1.9.0 Latest Latest
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 Go to latest Published: Sep 20, 2020 License: Apache-2.0 Imports: 6 Imported by: 0

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Constants

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const (
	// public
	ACC_PUBLIC = 0x0001
	// private
	ACC_PRIVATE = 0x0002
	// protected
	ACC_PROTECTED = 0x0004
	// static
	ACC_STATIC = 0x0008
	// final
	ACC_FINAL = 0x0010
	// synchronized
	ACC_SYNCHRONIZED = 0x0020
	// volatile
	ACC_VOLATILE = 0x0020
	// super
	ACC_SUPER = 0x0020
	// bridge
	ACC_BRIDGE = 0x0040
	// transient
	ACC_TRANSIENT = 0x0040
	// varargs
	ACC_VARARGS = 0x0080
	// native
	ACC_NATIVE = 0x0100
	// interface
	ACC_INTERFACE = 0x0200
	// abstract
	ACC_ABSTRACT = 0x0400
	// strict
	ACC_STRICT = 0x0800
	// synthetic
	ACC_SYNTHETIC = 0x1000
	// annotation
	ACC_ANNOTATION = 0x2000
	// enum
	ACC_ENUM = 0x4000
)

Variables

This section is empty.

Functions

func ArrayCopy added in v1.9.0 

func ArrayCopy(src, dst *Object, srcPos, dstPos, length int32)

func GoString added in v1.8.1 

func GoString(jStr *Object) string

java.lang.String -> go string

Types

type Class 

type Class struct {
	// contains filtered or unexported fields
}

func (*Class) ArrayClass added in v1.8.0 

func (self *Class) ArrayClass() *Class

返回与类对应的数组类

func (*Class) ComponentClass added in v1.8.0 

func (self *Class) ComponentClass() *Class

func (*Class) ConstantPool 

func (self *Class) ConstantPool() *ConstantPool

func (*Class) Fields added in v1.8.1 

func (self *Class) Fields() []*Field

func (*Class) GetClinitMethod added in v1.8.0 

func (self *Class) GetClinitMethod() *Method

func (*Class) GetMainMethod 

func (self *Class) GetMainMethod() *Method

func (*Class) GetPackageName added in v1.7.0 

func (self *Class) GetPackageName() string

func (*Class) InitStarted added in v1.8.0 

func (self *Class) InitStarted() bool

判断class有没有初始化过

func (Class) IsAbstract 

func (self Class) IsAbstract() bool

func (*Class) IsArray added in v1.8.0 

func (self *Class) IsArray() bool

判断是否是数组类型

func (*Class) IsImplements added in v1.7.0 

func (self *Class) IsImplements(iface *Class) bool

self implements iface

func (*Class) IsInterface 

func (self *Class) IsInterface() bool

func (*Class) IsPrimitive added in v1.9.0 

func (self *Class) IsPrimitive() bool

func (*Class) IsPrivate 

func (self *Class) IsPrivate() bool

func (*Class) IsProtected 

func (self *Class) IsProtected() bool

func (*Class) IsPublic 

func (self *Class) IsPublic() bool

func (*Class) IsSubClassOf added in v1.7.0 

func (self *Class) IsSubClassOf(other *Class) bool

self extends c

func (*Class) IsSuper added in v1.7.0 

func (self *Class) IsSuper() bool

判断方法的ACC_SUPER是否有被标记

func (*Class) IsSuperClassOf added in v1.7.0 

func (self *Class) IsSuperClassOf(other *Class) bool

c extends self

func (*Class) JClass added in v1.9.0 

func (self *Class) JClass() *Object

func (*Class) JavaName added in v1.9.0 

func (self *Class) JavaName() string

func (*Class) Loader added in v1.8.0 

func (self *Class) Loader() *ClassLoader

func (*Class) Name added in v1.7.0 

func (self *Class) Name() string

func (*Class) NewArray added in v1.8.0 

func (self *Class) NewArray(count uint) *Object

根据count创建数组对象

func (*Class) NewObject 

func (self *Class) NewObject() *Object

func (*Class) StartInit added in v1.8.0 

func (self *Class) StartInit()

初始化类

func (Class) StaticVars 

func (self Class) StaticVars() Slots

func (*Class) SuperClass added in v1.7.0 

func (self *Class) SuperClass() *Class

type ClassLoader 

type ClassLoader struct {
	// contains filtered or unexported fields
}

类加载器 类加载器依赖ClassPath来搜寻和读取class文件

func NewClassLoader 

func NewClassLoader(cp *classpath.Classpath, verboseFlag bool) *ClassLoader

创建一个加载器实例

func (*ClassLoader) LoadClass 

func (self *ClassLoader) LoadClass(name string) *Class

在classMap中根据name查询类 然后将将类数据加载到方法区中

type ClassMember 

type ClassMember struct {
	// contains filtered or unexported fields
}

func (*ClassMember) IsPrivate 

func (self *ClassMember) IsPrivate() bool

func (*ClassMember) IsProtected 

func (self *ClassMember) IsProtected() bool

func (*ClassMember) IsPublic 

func (self *ClassMember) IsPublic() bool

type ClassRef 

type ClassRef struct {
	SymRef
}

type Constant 

type Constant interface {
}

type ConstantPool 

type ConstantPool struct {
	// contains filtered or unexported fields
}

运行时常量池

func (*ConstantPool) GetConstant 

func (self *ConstantPool) GetConstant(index uint) Constant

根据索引返回常量

func (*ConstantPool) Name 

func (self *ConstantPool) Name() string

type Field 

type Field struct {
	ClassMember
	// contains filtered or unexported fields
}

实例字段

func (Field) Class 

func (self Field) Class() *Class

func (Field) ConstValueIndex 

func (self Field) ConstValueIndex() uint

func (Field) Descriptor 

func (self Field) Descriptor() string

func (Field) IsFinal 

func (self Field) IsFinal() bool

func (Field) IsLongOrDouble 

func (self Field) IsLongOrDouble() bool

判断描述符是否属于J或者D，J -> long,D -> double 基本类型中，除了long的定义奇特外，其他都是基于首字母

func (Field) IsStatic 

func (self Field) IsStatic() bool

func (Field) SlotId 

func (self Field) SlotId() uint

type FieldRef 

type FieldRef struct {
	MemberRef
	// contains filtered or unexported fields
}

func (*FieldRef) ResolvedField 

func (self *FieldRef) ResolvedField() *Field

* 字段符号引用解析

type InterfaceMethodRef 

type InterfaceMethodRef struct {
	MemberRef
	// contains filtered or unexported fields
}

接口方法的符号引用

func (InterfaceMethodRef) Descriptor added in v1.7.0 

func (self InterfaceMethodRef) Descriptor() string

func (InterfaceMethodRef) Name added in v1.7.0 

func (self InterfaceMethodRef) Name() string

func (*InterfaceMethodRef) ResolvedInterfaceMethod added in v1.7.0 

func (self *InterfaceMethodRef) ResolvedInterfaceMethod() *Method

解析接口方法

type MemberRef 

type MemberRef struct {
	SymRef
	// contains filtered or unexported fields
}

type Method 

type Method struct {
	ClassMember
	// contains filtered or unexported fields
}

func LookupMethodInClass added in v1.7.0 

func LookupMethodInClass(class *Class, name, descriptor string) *Method

在类和父类中搜寻指定的方法

func (*Method) ArgSlotCount added in v1.7.0 

func (self *Method) ArgSlotCount() uint

func (*Method) Class 

func (self *Method) Class() *Class

func (*Method) Code 

func (self *Method) Code() []byte

func (Method) Descriptor added in v1.7.0 

func (self Method) Descriptor() string

func (Method) IsAbstract added in v1.7.0 

func (self Method) IsAbstract() bool

func (*Method) IsNative added in v1.9.0 

func (self *Method) IsNative() bool

func (Method) IsStatic 

func (self Method) IsStatic() bool

func (Method) MaxLocals 

func (self Method) MaxLocals() uint

func (Method) MaxStack 

func (self Method) MaxStack() uint

func (Method) MethodDescriptor added in v1.7.0 

func (self Method) MethodDescriptor() string

func (Method) Name 

func (self Method) Name() string

type MethodDescriptor added in v1.7.0 

type MethodDescriptor struct {
	// contains filtered or unexported fields
}

type MethodDescriptorParser added in v1.7.0 

type MethodDescriptorParser struct {
	// contains filtered or unexported fields
}

type MethodRef 

type MethodRef struct {
	MemberRef
	// contains filtered or unexported fields
}

func (MethodRef) Descriptor 

func (self MethodRef) Descriptor() string

func (MethodRef) Name 

func (self MethodRef) Name() string

func (*MethodRef) ResolvedMethod added in v1.7.0 

func (self *MethodRef) ResolvedMethod() *Method

解析非接口方法

type Object 

type Object struct {
	// contains filtered or unexported fields
}

java类对象，是所有Clas的父类

func InternString added in v1.9.0 

func InternString(jStr *Object) *Object

func JString added in v1.8.1 

func JString(loader *ClassLoader, goStr string) *Object

todo go string -> java.lang.String

func (*Object) ArrayLength added in v1.8.0 

func (self *Object) ArrayLength() int32

func (*Object) Bytes added in v1.8.0 

func (self *Object) Bytes() []int8

func (*Object) Chars added in v1.8.0 

func (self *Object) Chars() []uint16

func (Object) Class added in v1.7.0 

func (self Object) Class() *Class

func (*Object) Doubles added in v1.8.0 

func (self *Object) Doubles() []float64

func (*Object) Extra added in v1.9.0 

func (self *Object) Extra() interface{}

func (*Object) Fields 

func (self *Object) Fields() Slots

func (*Object) Floats added in v1.8.0 

func (self *Object) Floats() []float32

func (*Object) GetRefVar added in v1.8.1 

func (self *Object) GetRefVar(name, descriptor string) *Object

reflection

func (*Object) Ints added in v1.8.0 

func (self *Object) Ints() []int32

func (*Object) IsInstanceOf 

func (self *Object) IsInstanceOf(class *Class) bool

func (*Object) Longs added in v1.8.0 

func (self *Object) Longs() []int64

func (*Object) Refs added in v1.8.0 

func (self *Object) Refs() []*Object

func (*Object) SetExtra added in v1.9.0 

func (self *Object) SetExtra(extra interface{})

func (*Object) SetRefVar added in v1.8.1 

func (self *Object) SetRefVar(name, descriptor string, ref *Object)

func (*Object) Shorts added in v1.8.0 

func (self *Object) Shorts() []int16

type Slot 

type Slot struct {
	// contains filtered or unexported fields
}

type Slots 

type Slots []Slot

func (Slots) GetDouble 

func (self Slots) GetDouble(index uint) float64

func (Slots) GetFloat 

func (self Slots) GetFloat(index uint) float32

func (Slots) GetInt 

func (self Slots) GetInt(index uint) int32

func (Slots) GetLong 

func (self Slots) GetLong(index uint) int64

func (Slots) GetRef 

func (self Slots) GetRef(index uint) *Object

func (Slots) SetDouble 

func (self Slots) SetDouble(index uint, val float64)

double consumes two slots

func (Slots) SetFloat 

func (self Slots) SetFloat(index uint, val float32)

func (Slots) SetInt 

func (self Slots) SetInt(index uint, val int32)

func (Slots) SetLong 

func (self Slots) SetLong(index uint, val int64)

long consumes two slots

func (Slots) SetRef 

func (self Slots) SetRef(index uint, ref *Object)

type SymRef 

type SymRef struct {
	// contains filtered or unexported fields
}

符号引用 cp,className,class是所有符号引用通用的字段 利用继承的方式来进行定制

func (*SymRef) ResolvedClass 

func (self *SymRef) ResolvedClass() *Class

解析符号引用 如果类还没有被解析过，先解析类的符号引用 如果类已经被解析过，直接返回类的指针

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