org.jamplate.impl.instruction

Class AllocAddrExecInstr

java.lang.Object

org.jamplate.impl.instruction.AllocAddrExecInstr

All Implemented Interfaces:

java.io.Serializable, Instruction

public class AllocAddrExecInstr
extends java.lang.Object
implements Instruction

ALLOC( ADDR , EXEC( INSTR ) )

An instruction that executes a pre-specified instruction and allocate the results of the execution to the heap at a pre-specified address.

Since:

0.2.0 ~2021.05.23

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 allocate to.
protected @NotNull Instruction	instruction The instruction to be executed.
protected @Nullable Tree	tree The tree this instruction was declared at.

Constructor Summary

Constructors

Constructor and Description
AllocAddrExecInstr(@NotNull java.lang.String address, @NotNull Instruction instruction) Construct a new instruction that allocates the results from executing the given instruction to the given address at the heap.
AllocAddrExecInstr(@NotNull Tree tree, @NotNull java.lang.String address, @NotNull Instruction instruction) Construct a new instruction that allocates the results from executing the given instruction to the given address at the heap.

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 allocate to.

Since:

0.2.0 ~2021.05.23

instruction

@NotNull
protected final @NotNull Instruction instruction

The instruction to be executed.

Since:

0.2.0 ~2021.05.23

tree

@Nullable
protected final @Nullable Tree tree

The tree this instruction was declared at.

Since:

0.2.0 ~2021.05.23

Constructor Detail

AllocAddrExecInstr

public AllocAddrExecInstr(@NotNull
                          @NotNull java.lang.String address,
                          @NotNull
                          @NotNull Instruction instruction)

Construct a new instruction that allocates the results from executing the given instruction to the given address at the heap.

Parameters:

address - the address to where to allocate.

instruction - the instruction to execute.

Throws:

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

Since:

0.2.0 ~2021.05.23

AllocAddrExecInstr

public AllocAddrExecInstr(@NotNull
                          @NotNull Tree tree,
                          @NotNull
                          @NotNull java.lang.String address,
                          @NotNull
                          @NotNull Instruction instruction)

Construct a new instruction that allocates the results from executing the given instruction to the given address at the heap.

Parameters:

tree - the tree from where this instruction was declared.

address - the address to where to allocate.

instruction - the instruction to execute.

Throws:

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

Since:

0.2.0 ~2021.05.23

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.