Class Parser

java.lang.Object

org.apache.commons.jexl2.parser.StringParser

org.apache.commons.jexl2.parser.JexlParser

org.apache.commons.jexl2.parser.Parser

All Implemented Interfaces:

ParserConstants, ParserTreeConstants

public class Parser
extends JexlParser
implements ParserTreeConstants, ParserConstants

Field Summary

Fields

Modifier and Type	Field	Description
boolean	ALLOW_REGISTERS
Token	jj_nt	Next token.
protected JJTParserState	jjtree
Token	token	Current token.
ParserTokenManager	token_source	Generated Token Manager.

Fields inherited from class JexlParser

frame

Fields inherited from interface ParserConstants

and, AND, assign, COLON, COMMA, DEFAULT, DIGIT, div, DOT, ELSE, ELVIS, EMPTY, EOF, eq, FALSE, FLOAT_LITERAL, FOR, FOR_EACH_IN, FOREACH, ge, gt, IDENTIFIER, IF, IN, INTEGER_LITERAL, LBRACKET, LCURLY, le, LETTER, LPAREN, lt, minus, mod, mult, ne, NEW, not, NULL, or, OR, plus, QMARK, RBRACKET, RCURLY, REGISTER, REGISTERS, req, RETURN, rne, RPAREN, SEMICOL, SIZE, STRING_LITERAL, tilda, tokenImage, TRUE, VAR, WHILE, xor

Fields inherited from interface ParserTreeConstants

JJTADDITIVENODE, JJTADDITIVEOPERATOR, JJTAMBIGUOUS, JJTANDNODE, JJTARRAYACCESS, JJTARRAYLITERAL, JJTASSIGNMENT, JJTBITWISEANDNODE, JJTBITWISECOMPLNODE, JJTBITWISEORNODE, JJTBITWISEXORNODE, JJTBLOCK, JJTCONSTRUCTORNODE, JJTDIVNODE, JJTEMPTYFUNCTION, JJTEQNODE, JJTERNODE, JJTFALSENODE, JJTFOREACHSTATEMENT, JJTFUNCTIONNODE, JJTGENODE, JJTGTNODE, JJTIDENTIFIER, JJTIFSTATEMENT, JJTJEXLSCRIPT, JJTLENODE, JJTLTNODE, JJTMAPENTRY, JJTMAPLITERAL, JJTMETHODNODE, JJTMODNODE, JJTMULNODE, JJTNENODE, jjtNodeName, JJTNOTNODE, JJTNRNODE, JJTNULLLITERAL, JJTNUMBERLITERAL, JJTORNODE, JJTREFERENCE, JJTREFERENCEEXPRESSION, JJTRETURNSTATEMENT, JJTSIZEFUNCTION, JJTSIZEMETHOD, JJTSTRINGLITERAL, JJTTERNARYNODE, JJTTRUENODE, JJTUNARYMINUSNODE, JJTVAR, JJTVOID, JJTWHILESTATEMENT

Constructor Summary

Constructors

Constructor	Description
Parser(InputStream stream)	Constructor with InputStream.
Parser(InputStream stream, String encoding)	Constructor with InputStream and supplied encoding
Parser(Reader stream)	Constructor.
Parser(ParserTokenManager tm)	Constructor with generated Token Manager.

Method Summary

Modifier and Type	Method	Description
final void	AdditiveExpression()	Arithmetic
final void	AdditiveOperator()
final void	AndExpression()
final void	AnyMethod()
final void	ArrayAccess()
final void	ArrayLiteral()
final void	Assignment()
final void	Block()
final void	BooleanLiteral()
final void	ConditionalAndExpression()
final void	ConditionalExpression()	Conditional & relational
final void	ConditionalOrExpression()
final void	Constructor()
final void	DeclareVar()
final void	disable_tracing()	Disable tracing.
final void	DotReference()
final void	EmptyFunction()	Functions & Methods
final void	enable_tracing()	Enable tracing.
final void	EqualityExpression()
final void	ExclusiveOrExpression()
final void	Expression()	Expression syntax
final void	ExpressionStatement()
final void	FloatLiteral()
final void	ForeachStatement()
final void	Function()
ParseException	generateParseException()	Generate ParseException.
final Token	getNextToken()	Get the next Token.
final Token	getToken(int index)	Get the specific Token.
final void	Identifier(boolean top)	Identifier & Literals
final void	IfStatement()
final void	InclusiveOrExpression()
final void	IntegerLiteral()
final ASTJexlScript	JexlScript()	Statements
final void	Literal()
final void	LValueVar()
final void	MapEntry()
final void	MapLiteral()
final void	Method()
final void	MultiplicativeExpression()
final void	NullLiteral()
ASTJexlScript	parse(Reader reader, JexlInfo info)
final void	PrimaryExpression()	References
final void	Reference()
final void	ReferenceExpression()	ReferenceExpression is a subclass of ArrayAccess
void	ReInit(InputStream stream)	Reinitialise.
void	ReInit(InputStream stream, String encoding)	Reinitialise.
void	ReInit(Reader stream)	Reinitialise.
void	ReInit(ParserTokenManager tm)	Reinitialise.
final void	RelationalExpression()
final void	ReturnStatement()
final void	SizeFunction()
final void	SizeMethod()
final void	Statement()
final void	StringIdentifier()
final void	StringLiteral()
final boolean	trace_enabled()	Trace enabled.
final void	UnaryExpression()
final void	Var()
final void	WhileStatement()

Methods inherited from class JexlParser

checkVariable, declareVariable, getFrame, Identifier, setFrame

Methods inherited from class StringParser

buildString, escapeString, readString

Methods inherited from class Object

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

Field Details

jjtree

protected JJTParserState jjtree

ALLOW_REGISTERS

public boolean ALLOW_REGISTERS

token_source

public ParserTokenManager token_source

Generated Token Manager.

token

public Token token

Current token.

jj_nt

public Token jj_nt

Next token.

Constructor Details

Parser

public Parser(InputStream stream)

Constructor with InputStream.

Parser

public Parser(InputStream stream,
 String encoding)

Constructor with InputStream and supplied encoding

Parser

public Parser(Reader stream)

Constructor.

Parser

public Parser(ParserTokenManager tm)

Constructor with generated Token Manager.

Method Details

parse

public ASTJexlScript parse(Reader reader,
 JexlInfo info)
                    throws ParseException

Throws:

ParseException

JexlScript

public final ASTJexlScript JexlScript()
                               throws ParseException

Statements

Throws:

ParseException

Statement

public final void Statement()
                     throws ParseException

Throws:

ParseException

Block

public final void Block()
                 throws ParseException

Throws:

ParseException

ExpressionStatement

public final void ExpressionStatement()
                               throws ParseException

Throws:

ParseException

IfStatement

public final void IfStatement()
                       throws ParseException

Throws:

ParseException

WhileStatement

public final void WhileStatement()
                          throws ParseException

Throws:

ParseException

ForeachStatement

public final void ForeachStatement()
                            throws ParseException

Throws:

ParseException

ReturnStatement

public final void ReturnStatement()
                           throws ParseException

Throws:

ParseException

Expression

public final void Expression()
                      throws ParseException

Expression syntax

Throws:

ParseException

Assignment

public final void Assignment()
                      throws ParseException

Throws:

ParseException

Var

public final void Var()
               throws ParseException

Throws:

ParseException

DeclareVar

public final void DeclareVar()
                      throws ParseException

Throws:

ParseException

LValueVar

public final void LValueVar()
                     throws ParseException

Throws:

ParseException

ConditionalExpression

public final void ConditionalExpression()
                                 throws ParseException

Conditional & relational

Throws:

ParseException

ConditionalOrExpression

public final void ConditionalOrExpression()
                                   throws ParseException

Throws:

ParseException

ConditionalAndExpression

public final void ConditionalAndExpression()
                                    throws ParseException

Throws:

ParseException

InclusiveOrExpression

public final void InclusiveOrExpression()
                                 throws ParseException

Throws:

ParseException

ExclusiveOrExpression

public final void ExclusiveOrExpression()
                                 throws ParseException

Throws:

ParseException

AndExpression

public final void AndExpression()
                         throws ParseException

Throws:

ParseException

EqualityExpression

public final void EqualityExpression()
                              throws ParseException

Throws:

ParseException

RelationalExpression

public final void RelationalExpression()
                                throws ParseException

Throws:

ParseException

AdditiveExpression

public final void AdditiveExpression()
                              throws ParseException

Arithmetic

Throws:

ParseException

AdditiveOperator

public final void AdditiveOperator()
                            throws ParseException

Throws:

ParseException

MultiplicativeExpression

public final void MultiplicativeExpression()
                                    throws ParseException

Throws:

ParseException

UnaryExpression

public final void UnaryExpression()
                           throws ParseException

Throws:

ParseException

Identifier

public final void Identifier(boolean top)
                      throws ParseException

Identifier & Literals

Overrides:

Identifier in class JexlParser

Parameters:

top - whether the identifier is beginning an l/r value

Throws:

ParseException - subclasses may throw this

StringIdentifier

public final void StringIdentifier()
                            throws ParseException

Throws:

ParseException

Literal

public final void Literal()
                   throws ParseException

Throws:

ParseException

NullLiteral

public final void NullLiteral()
                       throws ParseException

Throws:

ParseException

BooleanLiteral

public final void BooleanLiteral()
                          throws ParseException

Throws:

ParseException

IntegerLiteral

public final void IntegerLiteral()
                          throws ParseException

Throws:

ParseException

FloatLiteral

public final void FloatLiteral()
                        throws ParseException

Throws:

ParseException

StringLiteral

public final void StringLiteral()
                         throws ParseException

Throws:

ParseException

ArrayLiteral

public final void ArrayLiteral()
                        throws ParseException

Throws:

ParseException

MapLiteral

public final void MapLiteral()
                      throws ParseException

Throws:

ParseException

MapEntry

public final void MapEntry()
                    throws ParseException

Throws:

ParseException

EmptyFunction

public final void EmptyFunction()
                         throws ParseException

Functions & Methods

Throws:

ParseException

SizeFunction

public final void SizeFunction()
                        throws ParseException

Throws:

ParseException

Function

public final void Function()
                    throws ParseException

Throws:

ParseException

Method

public final void Method()
                  throws ParseException

Throws:

ParseException

AnyMethod

public final void AnyMethod()
                     throws ParseException

Throws:

ParseException

SizeMethod

public final void SizeMethod()
                      throws ParseException

Throws:

ParseException

Constructor

public final void Constructor()
                       throws ParseException

Throws:

ParseException

PrimaryExpression

public final void PrimaryExpression()
                             throws ParseException

References

Throws:

ParseException

ArrayAccess

public final void ArrayAccess()
                       throws ParseException

Throws:

ParseException

DotReference

public final void DotReference()
                        throws ParseException

Throws:

ParseException

Reference

public final void Reference()
                     throws ParseException

Throws:

ParseException

ReferenceExpression

public final void ReferenceExpression()
                               throws ParseException

ReferenceExpression is a subclass of ArrayAccess

Throws:

ParseException

ReInit

public void ReInit(InputStream stream)

Reinitialise.

ReInit

public void ReInit(InputStream stream,
 String encoding)

Reinitialise.

ReInit

public void ReInit(Reader stream)

Reinitialise.

ReInit

public void ReInit(ParserTokenManager tm)

Reinitialise.

getNextToken

public final Token getNextToken()

Get the next Token.

getToken

public final Token getToken(int index)

Get the specific Token.

Overrides:

getToken in class JexlParser

generateParseException

public ParseException generateParseException()

Generate ParseException.

trace_enabled

public final boolean trace_enabled()

Trace enabled.

enable_tracing

public final void enable_tracing()

Enable tracing.

disable_tracing

public final void disable_tracing()

Disable tracing.