Package org.eolang.opeo.ast

Class Opcode

java.lang.Object

org.eolang.opeo.ast.Opcode

All Implemented Interfaces:

AstNode, Xmir

public final class Opcode
extends Object
implements AstNode

Opcode output node.

Since:

0.1

Nested Class Summary

Nested classes/interfaces inherited from interface org.eolang.opeo.ast.AstNode

AstNode.Empty

Constructor Summary

Constructors

Constructor	Description
Opcode(int opcode, boolean counting)	Constructor.
Opcode(int opcode, Object... operands)	Constructor.
Opcode(int opcode, List<Object> operands)	Constructor.
Opcode(int bytecode, List<Object> operands, boolean counting)	Constructor.
Opcode(org.eolang.jeo.representation.xmir.XmlInstruction instruction)	Constructor.
Opcode(org.eolang.jeo.representation.xmir.XmlNode node)	Constructor.
Opcode(Instruction instruction)

Method Summary

Modifier and Type	Method	Description
static void	disableCounting()	Disable opcodes counting.
int	opcode()	Opcode number.
List<AstNode>	opcodes()	Bytecode instructions.
Object	operand(int index)	Instruction operand.
List<Object>	params()	Opcode operands.
String	pretty()	Pretty representation.
Iterable<org.xembly.Directive>	toXmir()	Convert node to XMIR.

Methods inherited from class java.lang.Object

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

Constructor Details

Opcode

public Opcode(int opcode,
 Object... operands)

Constructor.

Parameters:

opcode - Opcode

operands - Opcode operands

Opcode

public Opcode(int opcode,
 boolean counting)

Constructor.

Parameters:

opcode - Opcode

counting - Opcodes counting

Opcode

public Opcode(int opcode,
 List<Object> operands)

Constructor.

Parameters:

opcode - Opcode

operands - Opcode operands

Opcode

public Opcode(org.eolang.jeo.representation.xmir.XmlNode node)

Constructor.

Parameters:

node - XMIR node.

Opcode

public Opcode(org.eolang.jeo.representation.xmir.XmlInstruction instruction)

Constructor.

Parameters:

instruction - XMIR instruction.

Opcode

public Opcode(Instruction instruction)

Opcode

public Opcode(int bytecode,
 List<Object> operands,
 boolean counting)

Constructor.

Parameters:

bytecode - Bytecode

operands - Opcode operands

counting - Opcodes counting

Method Details

toXmir

public Iterable<org.xembly.Directive> toXmir()

Description copied from interface: Xmir

Convert node to XMIR.

Specified by:

toXmir in interface Xmir

Returns:

XMIR XML.

opcodes

public List<AstNode> opcodes()

Description copied from interface: AstNode

Bytecode instructions.

Specified by:

opcodes in interface AstNode

Returns:

List of opcodes.

opcode

public int opcode()

Opcode number.

Returns:

Opcode number.

params

public List<Object> params()

Opcode operands.

Returns:

Opcode operands.

operand

public Object operand(int index)

Instruction operand.

Parameters:

index - Operand index.

Returns:

Instruction operand.

pretty

public String pretty()

Pretty representation.

Returns:

Human-readable string that represents the opcode.

disableCounting

public static void disableCounting()

Disable opcodes counting. It is useful for tests.