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

static class	Instruction.BackCommitInstruction
static class	Instruction.BacktrackInstruction
static class	Instruction.CallInstruction
static class	Instruction.ChoiceInstruction
static class	Instruction.CommitInstruction
static class	Instruction.CommitVerifyInstruction
static class	Instruction.EndInstruction
static class	Instruction.FailTwiceInstruction
static class	Instruction.IgnoreErrorsInstruction
static class	Instruction.JumpInstruction
static class	Instruction.PredicateChoiceInstruction Instruction dedicated for predicates.
static class	Instruction.RetInstruction

Constructor Summary

Instruction()

Method Summary

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 Detail

Instruction

public Instruction()

Method Detail

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.