Package org.sonar.sslr.internal.vm

Class PatternExpression

java.lang.Object

org.sonar.sslr.internal.vm.Instruction

org.sonar.sslr.internal.vm.NativeExpression

org.sonar.sslr.internal.vm.PatternExpression

All Implemented Interfaces:

Matcher, Matcher, ParsingExpression

public class PatternExpression
extends NativeExpression
implements Matcher

Nested Class Summary

Nested classes/interfaces inherited from class org.sonar.sslr.internal.vm.Instruction

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

Constructor Summary

Constructors

Constructor	Description
PatternExpression(String regex)

Method Summary

Modifier and Type	Method	Description
void	execute(Machine machine)	Executes this instruction.
String	toString()

Methods inherited from class org.sonar.sslr.internal.vm.NativeExpression

compile

Methods inherited from class org.sonar.sslr.internal.vm.Instruction

addAll, backCommit, backtrack, call, choice, commit, commitVerify, end, failTwice, ignoreErrors, jump, predicateChoice, ret

Methods inherited from class java.lang.Object

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

Constructor Details

PatternExpression

public PatternExpression(String regex)

Throws:

PatternSyntaxException - if the expression's syntax is invalid

Method Details

execute

public void execute(Machine machine)

Description copied from class: Instruction

Executes this instruction.

Specified by:

execute in class Instruction

Throws:

GrammarException - if execution of regular expression has led to StackOverflowError

toString

public String toString()

Overrides:

toString in class Object