Package org.eolang.jeo.representation.bytecode

Class BytecodeInstruction

java.lang.Object

org.eolang.jeo.representation.bytecode.BytecodeInstruction

All Implemented Interfaces:

BytecodeEntry, Testable

public final class BytecodeInstruction
extends Object
implements BytecodeEntry

Bytecode instruction.

Since:

0.1

Constructor Summary

Constructors

Constructor	Description
BytecodeInstruction(int opcode, Object... args)	Constructor.
BytecodeInstruction(int opcode, List<Object> args)	Constructor.

Method Summary

Modifier and Type	Method	Description
Iterable<org.xembly.Directive>	directives(boolean counting)
int	impact()	Impact of each instruction on the stack.
boolean	isLabel()
boolean	isOpcode()
String	testCode()	Generate test Java code.
void	writeTo(org.objectweb.asm.MethodVisitor visitor)	Write instruction to the method visitor.

Methods inherited from class java.lang.Object

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

Constructor Details

BytecodeInstruction

public BytecodeInstruction(int opcode,
 Object... args)

Constructor.

Parameters:

opcode - Opcode.

args - Arguments.

BytecodeInstruction

public BytecodeInstruction(int opcode,
 List<Object> args)

Constructor.

Parameters:

opcode - Opcode.

args - Arguments.

Method Details

writeTo

public void writeTo(org.objectweb.asm.MethodVisitor visitor)

Description copied from interface: BytecodeEntry

Write instruction to the method visitor.

Specified by:

writeTo in interface BytecodeEntry

Parameters:

visitor - Method visitor.

directives

public Iterable<org.xembly.Directive> directives(boolean counting)

Specified by:

directives in interface BytecodeEntry

isLabel

public boolean isLabel()

Specified by:

isLabel in interface BytecodeEntry

isOpcode

public boolean isOpcode()

Specified by:

isOpcode in interface BytecodeEntry

testCode

public String testCode()

Description copied from interface: Testable

Generate test Java code.

Specified by:

testCode in interface Testable

Returns:

Java code.

impact

public int impact()

Impact of each instruction on the stack.

Specified by:

impact in interface BytecodeEntry

Returns:

Stack impact.