org.rvpf.processor.engine.rpn.operation

Class OperationReference

Object

OperationReference

Direct Known Subclasses:

SimpleOperation.Reference

public abstract class OperationReference
extends Object

Operation reference.

Constructor Summary

Constructors

Constructor and Description
OperationReference()

Method Summary

Modifier and Type	Method and Description
abstract void	execute(Task task) Executes this operation for the specified task.
protected static void	fail() Fails silently.
protected static void	fail(String message) Fails with a message.
abstract Operation	getOperation() Gets the operation.
int	getPosition() Gets the position in the source.
void	setPosition(int position) Sets the position in the source.
void	setUp(Compiler compiler) Sets up the reference.
String	toString() Returns a String representation of itself.

Methods inherited from class Object

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

Constructor Detail

OperationReference

public OperationReference()

Method Detail

execute

public abstract void execute(@Nonnull
                             Task task)
                      throws Task.ExecuteException,
                             Stack.AccessException

Executes this operation for the specified task.

Parameters:

task - The task.

Throws:

Task.ExecuteException - when appropriate.

Stack.AccessException - When raised by the stack.

getOperation

@Nonnull
 @CheckReturnValue
public abstract Operation getOperation()

Gets the operation.

Returns:

The operation.

getPosition

@CheckReturnValue
public final int getPosition()

Gets the position in the source.

Returns:

The position.

setPosition

public final void setPosition(int position)

Sets the position in the source.

Parameters:

position - The position.

setUp

public void setUp(@Nonnull
                  Compiler compiler)
           throws Compiler.CompileException

Sets up the reference.

Parameters:

compiler - The compiler generating the program.

Throws:

Compiler.CompileException - On failure.

toString

public final String toString()

Returns a String representation of itself.

Overrides:

toString in class Object

Returns:

This Operation's name.

fail

protected static void fail()
                    throws Task.ExecuteException

Fails silently.

Throws:

Task.ExecuteException - Always.

fail

protected static void fail(@Nonnull
                           String message)
                    throws Task.ExecuteException

Fails with a message.

Parameters:

message - The message.

Throws:

Task.ExecuteException - Always.