Package org.sonar.sslr.internal.vm

Class Instruction

java.lang.Object

org.sonar.sslr.internal.vm.Instruction

Direct Known Subclasses:

Instruction.BackCommitInstruction, Instruction.BacktrackInstruction, Instruction.CallInstruction, Instruction.ChoiceInstruction, Instruction.CommitInstruction, Instruction.CommitVerifyInstruction, Instruction.EndInstruction, Instruction.FailTwiceInstruction, Instruction.IgnoreErrorsInstruction, Instruction.JumpInstruction, Instruction.PredicateChoiceInstruction, Instruction.RetInstruction, NativeExpression

public abstract class Instruction
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	Instruction.BackCommitInstruction
static final class	Instruction.BacktrackInstruction
static final class	Instruction.CallInstruction
static final class	Instruction.ChoiceInstruction
static final class	Instruction.CommitInstruction
static final class	Instruction.CommitVerifyInstruction
static final class	Instruction.EndInstruction
static final class	Instruction.FailTwiceInstruction
static final class	Instruction.IgnoreErrorsInstruction
static final class	Instruction.JumpInstruction
static final class	Instruction.PredicateChoiceInstruction	Instruction dedicated for predicates.
static final class	Instruction.RetInstruction

Constructor Summary

Constructors

Constructor	Description
Instruction()

Method Summary

Modifier and Type	Method	Description
static void	addAll(List<Instruction> list, Instruction[] array)
static Instruction	backCommit(int offset)
static Instruction	backtrack()
static Instruction	call(int offset, Matcher matcher)
static Instruction	choice(int offset)
static Instruction	commit(int offset)
static Instruction	commitVerify(int offset)
static Instruction	end()
abstract void	execute(Machine machine)	Executes this instruction.
static Instruction	failTwice()
static Instruction	ignoreErrors()
static Instruction	jump(int offset)
static Instruction	predicateChoice(int offset)
static Instruction	ret()

Methods inherited from class java.lang.Object

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

Constructor Details

Instruction

public Instruction()

Method Details

addAll

public static void addAll(List<Instruction> list,
 Instruction[] array)

jump

public static Instruction jump(int offset)

call

public static Instruction call(int offset,
 Matcher matcher)

ret

public static Instruction ret()

backtrack

public static Instruction backtrack()

end

public static Instruction end()

choice

public static Instruction choice(int offset)

predicateChoice

public static Instruction predicateChoice(int offset)

commit

public static Instruction commit(int offset)

commitVerify

public static Instruction commitVerify(int offset)

failTwice

public static Instruction failTwice()

backCommit

public static Instruction backCommit(int offset)

ignoreErrors

public static Instruction ignoreErrors()

execute

public abstract void execute(Machine machine)

Executes this instruction.