Package org.sonar.sslr.internal.vm

Class FirstOfExpression

java.lang.Object

org.sonar.sslr.internal.vm.FirstOfExpression

All Implemented Interfaces:

Matcher, ParsingExpression

public class FirstOfExpression
extends Object
implements ParsingExpression

Constructor Summary

Constructors

Constructor	Description
FirstOfExpression(ParsingExpression... subExpressions)

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

FirstOfExpression

public FirstOfExpression(ParsingExpression... subExpressions)

Method Details

compile

public Instruction[] compile(CompilationHandler compiler)

Compiles this expression into a sequence of instructions:

 Choice L1
 subExpression[0]
 Commit E
 L1: Choice L2
 subExpression[1]
 Commit E
 L2: Choice L3
 subExpression[2]
 Commit E
 L3: subExpression[3]
 E: ...
 

Specified by:

compile in interface ParsingExpression

toString

public String toString()

Overrides:

toString in class Object