org.panda_lang.framework.language.interpreter.parser.expression

Class PandaExpressionContext

java.lang.Object

org.panda_lang.framework.language.interpreter.parser.expression.PandaExpressionContext

All Implemented Interfaces:

ExpressionContext

public final class PandaExpressionContext
extends Object
implements ExpressionContext

Constructor Summary

Constructors

Constructor and Description
PandaExpressionContext(ExpressionParser parser, Context context, SourceStream source)

Method Summary

Modifier and Type	Method and Description
void	commit(ExpressionTransaction.Commit commit) Register commit in the transaction
List<ExpressionTransaction.Commit>	getCommits() Get commits
Context	getContext() Get parser context
ExpressionParser	getParser() Get current expression parser
Stack<Expression>	getResults() Get results
SourceStream	getSource() Get source used to create synchronized source
SynchronizedSource	getSynchronizedSource() Get synchronized source used by expression parser
boolean	hasResults() Check if context contains any expressions on stack
Expression	peekExpression() Check the latest expression on stack
Expression	popExpression() Remove the latest expression from stack

Methods inherited from class java.lang.Object

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

Constructor Detail

PandaExpressionContext

public PandaExpressionContext(ExpressionParser parser,
                              Context context,
                              SourceStream source)

Method Detail

popExpression

public Expression popExpression()

Description copied from interface: ExpressionContext

Remove the latest expression from stack

Specified by:

popExpression in interface ExpressionContext

Returns:

removed expression

peekExpression

public Expression peekExpression()

Description copied from interface: ExpressionContext

Check the latest expression on stack

Specified by:

peekExpression in interface ExpressionContext

Returns:

the latest expression

commit

public void commit(ExpressionTransaction.Commit commit)

Description copied from interface: ExpressionContext

Register commit in the transaction

Specified by:

commit in interface ExpressionContext

Parameters:

commit - the commit to save

hasResults

public boolean hasResults()

Description copied from interface: ExpressionContext

Check if context contains any expressions on stack

Specified by:

hasResults in interface ExpressionContext

Returns:

true if stack contains some expressions

getSynchronizedSource

public SynchronizedSource getSynchronizedSource()

Description copied from interface: ExpressionContext

Get synchronized source used by expression parser

Specified by:

getSynchronizedSource in interface ExpressionContext

Returns:

the synchronized source

getSource

public SourceStream getSource()

Description copied from interface: ExpressionContext

Get source used to create synchronized source

Specified by:

getSource in interface ExpressionContext

Returns:

the original source

getCommits

public List<ExpressionTransaction.Commit> getCommits()

Description copied from interface: ExpressionContext

Get commits

Specified by:

getCommits in interface ExpressionContext

Returns:

list of commits

getResults

public Stack<Expression> getResults()

Description copied from interface: ExpressionContext

Get results

Specified by:

getResults in interface ExpressionContext

Returns:

the stack containing results

getContext

public Context getContext()

Description copied from interface: ExpressionContext

Get parser context

Specified by:

getContext in interface ExpressionContext

Returns:

the context

getParser

public ExpressionParser getParser()

Description copied from interface: ExpressionContext

Get current expression parser

Specified by:

getParser in interface ExpressionContext

Returns:

the expression parser instance