com.alibaba.qlexpress4.runtime.instruction

Class DefineLocalInstruction

java.lang.Object

com.alibaba.qlexpress4.runtime.instruction.QLInstruction

com.alibaba.qlexpress4.runtime.instruction.DefineLocalInstruction

public class DefineLocalInstruction
extends QLInstruction

Operation: define a symbol in local scope Input: 1 symbol init value Output: 0 Author: DQinYuan

Field Summary

Fields inherited from class com.alibaba.qlexpress4.runtime.instruction.QLInstruction

errorReporter

Constructor Summary

Constructors

Constructor and Description
DefineLocalInstruction(ErrorReporter errorReporter, java.lang.String variableName, java.lang.Class<?> defineClz)

Method Summary

Modifier and Type	Method and Description
QResult	execute(QContext qContext, QLOptions qlOptions)
void	println(int index, int depth, java.util.function.Consumer<java.lang.String> debug)
int	stackInput()
int	stackOutput()

Methods inherited from class com.alibaba.qlexpress4.runtime.instruction.QLInstruction

getErrorReporter

Methods inherited from class java.lang.Object

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

Constructor Detail

DefineLocalInstruction

public DefineLocalInstruction(ErrorReporter errorReporter,
                              java.lang.String variableName,
                              java.lang.Class<?> defineClz)

Method Detail

execute

public QResult execute(QContext qContext,
                       QLOptions qlOptions)

Specified by:

execute in class QLInstruction

stackInput

public int stackInput()

Specified by:

stackInput in class QLInstruction

Returns:

input size

stackOutput

public int stackOutput()

Specified by:

stackOutput in class QLInstruction

Returns:

output size

println

public void println(int index,
                    int depth,
                    java.util.function.Consumer<java.lang.String> debug)

Specified by:

println in class QLInstruction