org.jamplate.impl.instruction

Class FreeAddr

java.lang.Object

org.jamplate.impl.instruction.FreeAddr

All Implemented Interfaces:

java.io.Serializable, Instruction

public class FreeAddr
extends java.lang.Object
implements Instruction

FREE( ADDR )

An instruction that frees the heap at a pre-specified address.

Since:

0.2.0 ~2021.05.31

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 to be freed.
protected @Nullable Tree	tree The tree this instruction was declared at.

Constructor Summary

Constructors

Constructor and Description
FreeAddr(@NotNull java.lang.String address) Construct a new instruction that frees the given address in the heap when executed.
FreeAddr(@NotNull Tree tree, @NotNull java.lang.String address) Construct a new instruction that frees the given address in the heap when executed.

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.
@Nullable Tree	getTree() Return the tree from where this instruction was declared.

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

Field Detail

address

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

The address to be freed.

Since:

0.2.0 ~2021.05.31

tree

@Nullable
protected final @Nullable Tree tree

The tree this instruction was declared at.

Since:

0.2.0 ~2021.05.31

Constructor Detail

FreeAddr

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

Construct a new instruction that frees the given address in the heap when executed.

Parameters:

address - the address to be freed.

Throws:

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

Since:

0.2.0 ~2021.05.31

FreeAddr

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

Construct a new instruction that frees the given address in the heap when executed.

Parameters:

tree - the tree from where this instruction was declared.

address - the address to be freed.

Throws:

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

Since:

0.2.0 ~2021.05.31

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.

getTree

@Nullable
public @Nullable Tree getTree()

Description copied from interface: Instruction

Return the tree from where this instruction was declared. (optional)

Specified by:

getTree in interface Instruction

Returns:

the tree of this instruction.