org.jamplate.impl.instruction

Class PushEvalAddr

java.lang.Object

org.jamplate.impl.instruction.PushEvalAddr

All Implemented Interfaces:

java.io.Serializable, Instruction

public class PushEvalAddr
extends java.lang.Object
implements Instruction

PUSH( EVAL( ADDR ) )

An instruction that evaluates a pre-specified address then push the results to the stack.

Since:

0.2.0 ~2021.05.24

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 push the value of evaluating it.
protected @Nullable Tree	tree The tree of this instruction.

Constructor Summary

Constructors

Constructor and Description
PushEvalAddr(@NotNull java.lang.String address) Construct a new instruction that evaluates the given address then pushes the results to the stack.
PushEvalAddr(@NotNull Tree tree, @NotNull java.lang.String address) Construct a new instruction that evaluates the given address then pushes the results to the stack.

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 push the value of evaluating it.

Since:

0.2.0 ~2021.05.24

tree

@Nullable
protected final @Nullable Tree tree

The tree of this instruction.

Since:

0.2.0 ~2021.05.24

Constructor Detail

PushEvalAddr

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

Construct a new instruction that evaluates the given address then pushes the results to the stack.

Parameters:

address - the address to be evaluated.

Throws:

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

Since:

0.2.0 ~2021.05.24

PushEvalAddr

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

Construct a new instruction that evaluates the given address then pushes the results to the stack.

Parameters:

tree - the tree of the constructed instruction.

address - the address to be evaluated.

Throws:

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

Since:

0.2.0 ~2021.05.24

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.