Package org.sonar.sslr.internal.vm

Class NextExpression

java.lang.Object

org.sonar.sslr.internal.vm.NextExpression

All Implemented Interfaces:

Matcher, ParsingExpression

public class NextExpression
extends Object
implements ParsingExpression

Constructor Summary

Constructors

Constructor	Description
NextExpression(ParsingExpression subExpression)

Method Summary

Modifier and Type	Method	Description
Instruction[]	compile(CompilationHandler compiler)	Compiles this expression into a sequence of instructions:
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

NextExpression

public NextExpression(ParsingExpression subExpression)

Method Details

compile

public Instruction[] compile(CompilationHandler compiler)

Compiles this expression into a sequence of instructions:

 Choice L1
 subExpression
 BackCommit L2
 L1: Fail
 L2: ...
 

Should be noted that can be compiled without usage of instruction "BackCommit":

 Choice L1
 Choice L2
 subExpression
 L2: Commit L3
 L3: Fail
 L1: ...
 

Specified by:

compile in interface ParsingExpression

toString

public String toString()

Overrides:

toString in class Object