com.alibaba.qlexpress4.runtime.instruction

Class MethodInvokeInstruction

java.lang.Object

com.alibaba.qlexpress4.runtime.instruction.QLInstruction

com.alibaba.qlexpress4.runtime.instruction.MethodInvokeInstruction

public class MethodInvokeInstruction
extends QLInstruction

Operation: invoke specified method of object on the top of stack Input: ${argNum} + 1 Output: 1, method return value, null for void method

equivalent to GetMethodInstruction + CallInstruction

Author: DQinYuan

Field Summary

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

errorReporter

Constructor Summary

Constructors

Constructor and Description
MethodInvokeInstruction(ErrorReporter errorReporter, java.lang.String methodName, int argNum, boolean optional)

Method Summary

Modifier and Type	Method and Description
QResult	execute(QContext qContext, QLOptions qlOptions)
java.lang.String	getMethodName()
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

MethodInvokeInstruction

public MethodInvokeInstruction(ErrorReporter errorReporter,
                               java.lang.String methodName,
                               int argNum,
                               boolean optional)

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

getMethodName

public java.lang.String getMethodName()