org.luaj.vm2

类 LuaUserdata

java.lang.Object

org.luaj.vm2.Varargs

org.luaj.vm2.LuaValue

org.luaj.vm2.LuaUserdata

public class LuaUserdata
extends LuaValue

字段概要

字段

限定符和类型	字段和说明
Object	m_instance
LuaValue	m_metatable

从类继承的字段 org.luaj.vm2.LuaValue

ADD, BAND, BNOT, BOR, BXOR, CALL, CONCAT, DIV, EMPTYSTRING, ENV, EQ, FALSE, IDIV, INDEX, LE, LEN, LT, METATABLE, MINUSONE, MOD, MODE, MUL, NEWINDEX, NIL, NILS, NONE, NOVALS, ONE, POW, SHL, SHR, SUB, TBOOLEAN, TFUNCTION, TINT, TLIGHTUSERDATA, TNIL, TNONE, TNUMBER, TOSTRING, TRUE, TSTRING, TTABLE, TTHREAD, TUSERDATA, TVALUE, TYPE_NAMES, UNM, uservalue, ZERO

构造器概要

构造器

构造器和说明
LuaUserdata(Object obj)
LuaUserdata(Object obj, LuaValue metatable)

方法概要

限定符和类型	方法和说明
Object	checkuserdata() Check that this is a LuaUserdata, or throw LuaError if it is not
Object	checkuserdata(Class c) Check that this is a LuaUserdata, or throw LuaError if it is not
boolean	eq_b(LuaValue val) Equals: Perform equality comparison with another value including metatag processing using LuaValue.EQ, and return java boolean
LuaValue	eq(LuaValue val) Equals: Perform equality comparison with another value including metatag processing using LuaValue.EQ.
boolean	eqmt(LuaValue val)
boolean	equals(Object val)
LuaValue	get(LuaValue key) Get a value in a table including metatag processing using LuaValue.INDEX.
LuaValue	getmetatable() Get the metatable for this LuaValue For LuaTable and LuaUserdata instances, the metatable returned is this instance metatable.
int	hashCode()
boolean	isuserdata() Check if this is a userdata
boolean	isuserdata(Class c) Check if this is a userdata of type c
Object	optuserdata(Class c, Object defval) Check that optional argument is a userdata whose instance is of a type and return the Object instance
Object	optuserdata(Object defval) Check that optional argument is a userdata and return the Object instance
boolean	raweq(LuaUserdata val) Equals: Perform direct equality comparison with a LuaUserdata value without metatag processing.
boolean	raweq(LuaValue val) Equals: Perform direct equality comparison with another value without metatag processing.
void	set(LuaValue key, LuaValue value) Set a value in a table without metatag processing using LuaValue.NEWINDEX.
LuaValue	setmetatable(LuaValue metatable) Set the metatable for this LuaValue For LuaTable and LuaUserdata instances, the metatable is per instance.
String	tojstring() Convert to human readable String for any type.
Object	touserdata() Convert to userdata instance, or null.
<T> T	touserdata(Class<T> c) Convert to userdata instance if specific type, or null.
int	type() Get the enumeration value for the type of this value.
String	typename() Get the String name of the type of this value.
Object	userdata()

从类继承的方法 org.luaj.vm2.LuaValue

add, add, add, and, arg, arg1, argerror, argerror, aritherror, aritherror, arithmt, arithmtwith, assert_, band, band, bnot, bor, bor, buffer, bxor, bxor, call, call, call, call, call, callmt, checkboolean, checkclosure, checkdouble, checkfunction, checkglobals, checkint, checkinteger, checkjstring, checklong, checkmetatag, checknotnil, checknumber, checknumber, checkstring, checktable, checkthread, compareerror, compareerror, comparemt, concat, concat, concatmt, concatTo, concatTo, concatTo, div, div, div, divInto, eqmtcall, error, get, get, getfenv, gettable, getuservalue, gt_b, gt_b, gt_b, gt, gt, gt, gteq_b, gteq_b, gteq_b, gteq, gteq, gteq, idiv, idiv, illegal, inext, initupvalue1, invoke, invoke, invoke, invoke, invoke, invoke, invokemethod, invokemethod, invokemethod, invokemethod, invokemethod, invokemethod, isboolean, isclosure, isfunction, isint, isinttype, islong, isnil, isnumber, isstring, istable, isthread, isvalidkey, jcall, jget, jset, len, lenerror, length, listOf, listOf, load, lt_b, lt_b, lt_b, lt, lt, lt, lteq_b, lteq_b, lteq_b, lteq, lteq, lteq, metatableOf, metatag, method, method, method, method, method, method, mod, mod, mod, modFrom, mul, mul, mul, narg, neg, neq_b, neq, next, not, onInvoke, optboolean, optclosure, optdouble, optfunction, optint, optinteger, optjstring, optlong, optnumber, optstring, opttable, optthread, optvalue, or, pow, pow, pow, powWith, powWith, presize, raweq, raweq, raweq, rawget, rawget, rawget, rawlen, rawset, rawset, rawset, rawset, rawset, rawset, rawset, rawsetlist, set, set, set, set, set, set, setfenv, settable, setuservalue, shl, shl, shr, shr, strcmp, strcmp, strongvalue, strvalue, sub, sub, sub, subargs, subFrom, subFrom, tableOf, tableOf, tableOf, tableOf, tableOf, tableOf, tailcallOf, testfor_b, toboolean, tobyte, tochar, todouble, tofloat, toint, tolong, tonumber, toshort, tostring, toString, typerror, unimplemented, userdataOf, userdataOf, valueOf, valueOf, valueOf, valueOf, valueOf, valueOf, valueOf, varargsOf, varargsOf, varargsOf, varargsOf, varargsOf, varargsOf

从类继承的方法 org.luaj.vm2.Varargs

argcheck, checkboolean, checkclosure, checkdouble, checkfunction, checkint, checkinteger, checkjstring, checklong, checknotnil, checknumber, checkstring, checktable, checkthread, checkuserdata, checkuserdata, checkvalue, dealias, eval, isfunction, isnil, isnoneornil, isnumber, isstring, istable, isTailcall, isthread, isuserdata, isvalue, optboolean, optclosure, optdouble, optfunction, optint, optinteger, optjstring, optlong, optnumber, optstring, opttable, optthread, optuserdata, optuserdata, optvalue, toboolean, tobyte, tochar, todouble, tofloat, toint, tojstring, tolong, toshort, touserdata, touserdata, type

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

字段详细资料

m_instance

public Object m_instance

m_metatable

public LuaValue m_metatable

构造器详细资料

LuaUserdata

public LuaUserdata(Object obj)

LuaUserdata

public LuaUserdata(Object obj,
                   LuaValue metatable)

方法详细资料

tojstring

public String tojstring()

从类复制的说明: LuaValue

Convert to human readable String for any type.

覆盖:

tojstring 在类中 LuaValue

返回:

String for use by human readers based on type.

另请参阅:

LuaValue.tostring(), LuaValue.optjstring(String), LuaValue.checkjstring(), LuaValue.isstring(), LuaValue.TSTRING

type

public int type()

从类复制的说明: LuaValue

Get the enumeration value for the type of this value.

指定者:

type 在类中 LuaValue

返回:

value for this type, one of LuaValue.TNIL, LuaValue.TBOOLEAN, LuaValue.TNUMBER, LuaValue.TSTRING, LuaValue.TTABLE, LuaValue.TFUNCTION, LuaValue.TUSERDATA, LuaValue.TTHREAD

另请参阅:

LuaValue.typename()

typename

public String typename()

从类复制的说明: LuaValue

Get the String name of the type of this value.

指定者:

typename 在类中 LuaValue

返回:

name from type name list LuaValue.TYPE_NAMES corresponding to the type of this value: "nil", "boolean", "number", "string", "table", "function", "userdata", "thread"

另请参阅:

LuaValue.type()

hashCode

public int hashCode()

覆盖:

hashCode 在类中 Object

userdata

public Object userdata()

isuserdata

public boolean isuserdata()

从类复制的说明: LuaValue

Check if this is a userdata

覆盖:

isuserdata 在类中 LuaValue

返回:

true if this is a userdata, otherwise false

另请参阅:

LuaValue.isuserdata(Class), LuaValue.touserdata(), LuaValue.checkuserdata(), LuaValue.optuserdata(Object), LuaValue.TUSERDATA

isuserdata

public boolean isuserdata(Class c)

从类复制的说明: LuaValue

Check if this is a userdata of type c

覆盖:

isuserdata 在类中 LuaValue

参数:

c - Class to test instance against

返回:

true if this is a userdata and the instance is assignable to c, otherwise false

另请参阅:

LuaValue.isuserdata(), LuaValue.touserdata(Class), LuaValue.checkuserdata(Class), LuaValue.optuserdata(Class, Object), LuaValue.TUSERDATA

touserdata

public Object touserdata()

从类复制的说明: LuaValue

Convert to userdata instance, or null.

覆盖:

touserdata 在类中 LuaValue

返回:

userdata instance if userdata, or null if not LuaUserdata

另请参阅:

LuaValue.optuserdata(Object), LuaValue.checkuserdata(), LuaValue.isuserdata(), LuaValue.TUSERDATA

touserdata

public <T> T touserdata(Class<T> c)

从类复制的说明: LuaValue

Convert to userdata instance if specific type, or null.

覆盖:

touserdata 在类中 LuaValue

返回:

userdata instance if is a userdata whose instance derives from c, or null if not LuaUserdata

另请参阅:

LuaValue.optuserdata(Class,Object), LuaValue.checkuserdata(Class), LuaValue.isuserdata(Class), LuaValue.TUSERDATA

optuserdata

public Object optuserdata(Object defval)

从类复制的说明: LuaValue

Check that optional argument is a userdata and return the Object instance

覆盖:

optuserdata 在类中 LuaValue

参数:

defval - Object to return if this is nil or none

返回:

Object instance of the userdata if a LuaUserdata, defval if nil or none, throws LuaError if some other type

另请参阅:

LuaValue.checkuserdata(), LuaValue.isuserdata(), LuaValue.optuserdata(Class, Object), LuaValue.TUSERDATA

optuserdata

public Object optuserdata(Class c,
                          Object defval)

从类复制的说明: LuaValue

Check that optional argument is a userdata whose instance is of a type and return the Object instance

覆盖:

optuserdata 在类中 LuaValue

参数:

c - Class to test userdata instance against

defval - Object to return if this is nil or none

返回:

Object instance of the userdata if a LuaUserdata and instance is assignable to c, defval if nil or none, throws LuaError if some other type

另请参阅:

LuaValue.checkuserdata(Class), LuaValue.isuserdata(Class), LuaValue.optuserdata(Object), LuaValue.TUSERDATA

getmetatable

public LuaValue getmetatable()

从类复制的说明: LuaValue

Get the metatable for this LuaValue

For LuaTable and LuaUserdata instances, the metatable returned is this instance metatable. For all other types, the class metatable value will be returned.

覆盖:

getmetatable 在类中 LuaValue

返回:

metatable, or null if it there is none

另请参阅:

LuaBoolean.s_metatable, LuaNumber.s_metatable, LuaNil.s_metatable, LuaFunction.s_metatable, LuaThread.s_metatable

setmetatable

public LuaValue setmetatable(LuaValue metatable)

从类复制的说明: LuaValue

Set the metatable for this LuaValue

For LuaTable and LuaUserdata instances, the metatable is per instance. For all other types, there is one metatable per type that can be set directly from java

覆盖:

setmetatable 在类中 LuaValue

参数:

metatable - LuaValue instance to serve as the metatable, or null to reset it.

返回:

this to allow chaining of Java function calls

另请参阅:

LuaBoolean.s_metatable, LuaNumber.s_metatable, LuaNil.s_metatable, LuaFunction.s_metatable, LuaThread.s_metatable

checkuserdata

public Object checkuserdata()

从类复制的说明: LuaValue

Check that this is a LuaUserdata, or throw LuaError if it is not

覆盖:

checkuserdata 在类中 LuaValue

返回:

this if it is a LuaUserdata

另请参阅:

LuaValue.isuserdata(), LuaValue.optuserdata(Object), LuaValue.checkuserdata(Class), LuaValue.TUSERDATA

checkuserdata

public Object checkuserdata(Class c)

从类复制的说明: LuaValue

Check that this is a LuaUserdata, or throw LuaError if it is not

覆盖:

checkuserdata 在类中 LuaValue

返回:

this if it is a LuaUserdata

另请参阅:

LuaValue.isuserdata(Class), LuaValue.optuserdata(Class, Object), LuaValue.checkuserdata(), LuaValue.TUSERDATA

get

public LuaValue get(LuaValue key)

从类复制的说明: LuaValue

Get a value in a table including metatag processing using LuaValue.INDEX.

覆盖:

get 在类中 LuaValue

参数:

key - the key to look up, must not be LuaValue.NIL or null

返回:

LuaValue for that key, or LuaValue.NIL if not found and no metatag

另请参阅:

LuaValue.get(int), LuaValue.get(String), LuaValue.rawget(LuaValue)

set

public void set(LuaValue key,
                LuaValue value)

从类复制的说明: LuaValue

Set a value in a table without metatag processing using LuaValue.NEWINDEX.

覆盖:

set 在类中 LuaValue

参数:

key - the key to use, must not be LuaValue.NIL or null

value - the value to use, can be LuaValue.NIL, must not be null

equals

public boolean equals(Object val)

覆盖:

equals 在类中 LuaValue

eq

public LuaValue eq(LuaValue val)

从类复制的说明: LuaValue

Equals: Perform equality comparison with another value including metatag processing using LuaValue.EQ.

覆盖:

eq 在类中 LuaValue

参数:

val - The value to compare with.

返回:

LuaValue.TRUE if values are comparable and (this == rhs), LuaValue.FALSE if comparable but not equal, LuaValue if metatag processing occurs.

另请参阅:

LuaValue.eq_b(LuaValue), LuaValue.raweq(LuaValue), LuaValue.neq(LuaValue), LuaValue.eqmtcall(LuaValue, LuaValue, LuaValue, LuaValue), LuaValue.EQ

eq_b

public boolean eq_b(LuaValue val)

从类复制的说明: LuaValue

Equals: Perform equality comparison with another value including metatag processing using LuaValue.EQ, and return java boolean

覆盖:

eq_b 在类中 LuaValue

参数:

val - The value to compare with.

返回:

true if values are comparable and (this == rhs), false if comparable but not equal, result converted to java boolean if metatag processing occurs.

另请参阅:

LuaValue.eq(LuaValue), LuaValue.raweq(LuaValue), LuaValue.neq_b(LuaValue), LuaValue.eqmtcall(LuaValue, LuaValue, LuaValue, LuaValue), LuaValue.EQ

raweq

public boolean raweq(LuaValue val)

从类复制的说明: LuaValue

Equals: Perform direct equality comparison with another value without metatag processing.

覆盖:

raweq 在类中 LuaValue

参数:

val - The value to compare with.

返回:

true if (this == rhs), false otherwise

另请参阅:

LuaValue.eq(LuaValue), LuaValue.raweq(LuaUserdata), LuaValue.raweq(LuaString), LuaValue.raweq(double), #raweq(int), LuaValue.EQ

raweq

public boolean raweq(LuaUserdata val)

从类复制的说明: LuaValue

Equals: Perform direct equality comparison with a LuaUserdata value without metatag processing.

覆盖:

raweq 在类中 LuaValue

参数:

val - The LuaUserdata to compare with.

返回:

true if this is userdata and their metatables are the same using == and their instances are equal using LuaValue.equals(Object), otherwise false

另请参阅:

LuaValue.eq(LuaValue), LuaValue.raweq(LuaValue)

eqmt

public boolean eqmt(LuaValue val)