Top Description Fields Constructors Methods

org.junit.platform.launcher.tagexpression

pack-priv Class ShuntingYard

Class Inheritance

extends Object

java.lang.Object
org.junit.platform.launcher.tagexpression.ShuntingYard

Static Imports

java.lang.Integer.MIN_VALUE, java.util.Objects.requireNonNull, org.junit.platform.launcher.tagexpression.Operator.nullaryOperator, .ParseStatus.emptyTagExpression, .ParseStatus.missingClosingParenthesis, .ParseStatus.missingOpeningParenthesis, .ParseStatus.success, .TagExpressions.any, .TagExpressions.none, .TagExpressions.tag

This is based on a modified version of the Shunting-yard algorithm.

Since: 1.1

Field Summary

Modifier and Type	Field and Description
private final Stack<TokenWith<TagExpression>>	expressions
private static final Operator	LeftParenthesis
private final Stack<TokenWith<Operator>>	operators
private static final Operator	RightParenthesis
private static final Operator	Sentinel
private static final Token	SentinelToken
private final List<Token>	tokens
private final Operators	validOperators

Constructor Summary

Access	Constructor and Description
pack-priv	ShuntingYard(List<Token> tokens)

Method Summary

Modifier and Type	Method and Description
private ParseStatus	consumeRemainingOperators()
private TagExpression	convertLeafTokenToExpression(String trimmed)
private ParseStatus	ensureOnlySingleExpressionRemains()
public ParseResult	execute()
private ParseStatus	findMatchingLeftParenthesis(Token token)
private ParseStatus	findOperands(Token token, Operator currentOperator)
private Operator	previousOperator()
private ParseStatus	process(Token token)
private ParseStatus	processTokens()
private void	pushExpressionAt(Token token, TagExpression tagExpression)
private void	pushOperatorAt(Token token, Operator operator)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

expressions	back to summary
private final Stack<TokenWith<TagExpression>> expressions

LeftParenthesis	back to summary
private static final Operator LeftParenthesis

operators	back to summary
private final Stack<TokenWith<Operator>> operators

RightParenthesis	back to summary
private static final Operator RightParenthesis

Sentinel	back to summary
private static final Operator Sentinel

SentinelToken	back to summary
private static final Token SentinelToken

tokens	back to summary
private final List<Token> tokens

validOperators	back to summary
private final Operators validOperators

Constructor Detail

ShuntingYard	back to summary
pack-priv ShuntingYard(List<Token> tokens)

Method Detail

consumeRemainingOperators	back to summary
private ParseStatus consumeRemainingOperators()

convertLeafTokenToExpression	back to summary
private TagExpression convertLeafTokenToExpression(String trimmed)

ensureOnlySingleExpressionRemains	back to summary
private ParseStatus ensureOnlySingleExpressionRemains()

execute	back to summary
public ParseResult execute()

findMatchingLeftParenthesis	back to summary
private ParseStatus findMatchingLeftParenthesis(Token token)

findOperands	back to summary
private ParseStatus findOperands(Token token, Operator currentOperator)

previousOperator	back to summary
private Operator previousOperator()

process	back to summary
private ParseStatus process(Token token)

processTokens	back to summary
private ParseStatus processTokens()

pushExpressionAt	back to summary
private void pushExpressionAt(Token token, TagExpression tagExpression)

pushOperatorAt	back to summary
private void pushOperatorAt(Token token, Operator operator)