com.ql.util.express

类 RunEnvironment

java.lang.Object

com.ql.util.express.RunEnvironment

public final class RunEnvironment
extends Object

字段概要

字段

限定符和类型	字段和说明
protected int	programPoint

构造器概要

构造器

构造器和说明
RunEnvironment(InstructionSet aInstructionSet, InstructionSetContext aContext, boolean aIsTrace)

方法概要

方法

限定符和类型	方法和说明
void	clear()
void	clearDataStack()
void	ensureCapacity(int minCapacity)
InstructionSetContext	getContext()
int	getDataStackSize()
InstructionSet	getInstructionSet()
int	getProgramPoint()
Object	getReturnValue()
void	gotoLastWhenReturn()
void	gotoWithOffset(int aOffset)
void	initial(InstructionSet aInstructionSet, InstructionSetContext aContext, boolean aIsTrace)
boolean	isExit()
boolean	isTrace()
OperateData	peek()
OperateData	pop()
ArraySwap	popArray(InstructionSetContext context, int len) 此方法是调用最频繁的，因此尽量精简代码，提高效率
OperateData[]	popArrayBackUp(InstructionSetContext context, int len)
OperateData[]	popArrayOld(InstructionSetContext context, int len)
void	programPointAddOne()
void	push(OperateData data)
void	quitExpress()
void	quitExpress(Object aReturnValue)
void	setContext(InstructionSetContext aContext)
void	setReturnValue(Object value)

从类继承的方法 java.lang.Object

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

字段详细资料

programPoint

protected int programPoint

构造器详细资料

RunEnvironment

public RunEnvironment(InstructionSet aInstructionSet,
              InstructionSetContext aContext,
              boolean aIsTrace)

方法详细资料

initial

public void initial(InstructionSet aInstructionSet,
           InstructionSetContext aContext,
           boolean aIsTrace)

clear

public void clear()

getInstructionSet

public InstructionSet getInstructionSet()

getContext

public InstructionSetContext getContext()

setContext

public void setContext(InstructionSetContext aContext)

isExit

public boolean isExit()

getReturnValue

public Object getReturnValue()

setReturnValue

public void setReturnValue(Object value)

quitExpress

public void quitExpress(Object aReturnValue)

quitExpress

public void quitExpress()

isTrace

public boolean isTrace()

getProgramPoint

public int getProgramPoint()

programPointAddOne

public void programPointAddOne()

gotoLastWhenReturn

public void gotoLastWhenReturn()

getDataStackSize

public int getDataStackSize()

push

public void push(OperateData data)

peek

public OperateData peek()

pop

public OperateData pop()

clearDataStack

public void clearDataStack()

gotoWithOffset

public void gotoWithOffset(int aOffset)

popArray

public ArraySwap popArray(InstructionSetContext context,
                 int len)
                   throws Exception

此方法是调用最频繁的，因此尽量精简代码，提高效率

参数:

context -

len -

返回:

抛出:

Exception

popArrayOld

public OperateData[] popArrayOld(InstructionSetContext context,
                        int len)
                          throws Exception

抛出:

Exception

popArrayBackUp

public OperateData[] popArrayBackUp(InstructionSetContext context,
                           int len)
                             throws Exception

抛出:

Exception

ensureCapacity

public void ensureCapacity(int minCapacity)