com.io7m.jsx.parser

Class Parser

java.lang.Object

com.io7m.jsx.parser.Parser

All Implemented Interfaces:

ParserType

public final class Parser
extends Object
implements ParserType

The default implementation of the ParserType type.

Method Summary

Modifier and Type	Method and Description
static ParserType	newParser(ParserConfiguration pc, LexerType lex) Construct a new parser.
SExpressionType	parseExpression()
Optional<SExpressionType>	parseExpressionOrEOF()
List<SExpressionType>	parseExpressions()

Methods inherited from class java.lang.Object

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

Method Detail

newParser

public static ParserType newParser(ParserConfiguration pc,
                                   LexerType lex)

Construct a new parser.

Parameters:

pc - The parser configuration

lex - A lexer

Returns:

A new parser

parseExpression

public SExpressionType parseExpression()
                                throws ParserException,
                                       IOException

Specified by:

parseExpression in interface ParserType

Returns:

The next expression

Throws:

ParserException - On parse errors

IOException - On I/O errors

parseExpressionOrEOF

public Optional<SExpressionType> parseExpressionOrEOF()
                                               throws ParserException,
                                                      IOException

Specified by:

parseExpressionOrEOF in interface ParserType

Returns:

The next expression, or Optional.empty() if EOF is reached

Throws:

ParserException - On parse errors

IOException - On I/O errors

parseExpressions

public List<SExpressionType> parseExpressions()
                                       throws ParserException,
                                              IOException

Specified by:

parseExpressions in interface ParserType

Returns:

All of the expressions up to EOF

Throws:

ParserException - On parse errors

IOException - On I/O errors