org.panda_lang.framework.design.interpreter.parser.expression

Interface ExpressionContext

All Known Implementing Classes:

PandaExpressionContext

public interface ExpressionContext

Context of expression parser

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

Method Detail

popExpression

Expression popExpression()

Remove the latest expression from stack

Returns:

removed expression

peekExpression

Expression peekExpression()

Check the latest expression on stack

Returns:

the latest expression

commit

void commit(ExpressionTransaction.Commit commit)

Register commit in the transaction

Parameters:

commit - the commit to save

hasResults

boolean hasResults()

Check if context contains any expressions on stack

Returns:

true if stack contains some expressions

getSynchronizedSource

SynchronizedSource getSynchronizedSource()

Get synchronized source used by expression parser

Returns:

the synchronized source

getSource

SourceStream getSource()

Get source used to create synchronized source

Returns:

the original source

getCommits

List<ExpressionTransaction.Commit> getCommits()

Get commits

Returns:

list of commits

getResults

Stack<Expression> getResults()

Get results

Returns:

the stack containing results

getContext

Context getContext()

Get parser context

Returns:

the context

getParser

ExpressionParser getParser()

Get current expression parser

Returns:

the expression parser instance