org.jamplate.impl.instruction

Class PushDefAddr

java.lang.Object

org.jamplate.impl.instruction.PushDefAddr

All Implemented Interfaces:

java.io.Serializable, Instruction

public class PushDefAddr
extends java.lang.Object
implements Instruction

PUSH( DEF( ADDR ) )

An instruction that pushes the constant true if a pre-specified address is defined and pushes the constant false otherwise.

Since:

0.2.0 ~2021.05.25

Version:

0.2.0

Author:

LSafer

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected @NotNull java.lang.String	address The address.
protected @Nullable Tree	tree The tree this instruction was declared at.

Constructor Summary

Constructors

Constructor and Description
PushDefAddr(@NotNull java.lang.String address) Construct a new instruction that pushes true if the given address is defined or pushes false otherwise.
PushDefAddr(@NotNull Tree tree, @NotNull java.lang.String address) Construct a new instruction that pushes true if the given address is defined or pushes false otherwise.

Method Summary

Modifier and Type	Method and Description
void	exec(@NotNull Environment environment, @NotNull Memory memory) Execute this instruction with the given environment and memory.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jamplate.model.Instruction

create, create, getTree

Field Detail

address

@NotNull
protected final @NotNull java.lang.String address

The address.

Since:

0.2.0 ~2021.05.25

tree

@Nullable
protected final @Nullable Tree tree

The tree this instruction was declared at.

Since:

0.2.0 ~2021.05.23

Constructor Detail

PushDefAddr

public PushDefAddr(@NotNull
                   @NotNull java.lang.String address)

Construct a new instruction that pushes true if the given address is defined or pushes false otherwise.

Parameters:

address - the address.

Throws:

java.lang.NullPointerException - if the given address is null.

Since:

0.2.0 ~2021.05.25

PushDefAddr

public PushDefAddr(@NotNull
                   @NotNull Tree tree,
                   @NotNull
                   @NotNull java.lang.String address)

Construct a new instruction that pushes true if the given address is defined or pushes false otherwise.

Parameters:

tree - the tree from where this instruction was declared.

address - the address.

Throws:

java.lang.NullPointerException - if the given tree or address is null.

Since:

0.2.0 ~2021.05.25

Method Detail

exec

public void exec(@NotNull
                 @NotNull Environment environment,
                 @NotNull
                 @NotNull Memory memory)

Description copied from interface: Instruction

Execute this instruction with the given environment and memory.

Specified by:

exec in interface Instruction

Parameters:

environment - the environment this instruction is executed in.

memory - the memory holding the variables for this instruction to depend on.