Parser (Apache Commons JEXL 3.0 API)

java.lang.Object
- org.apache.commons.jexl3.parser.StringParser
- - org.apache.commons.jexl3.parser.JexlParser
  - - org.apache.commons.jexl3.parser.Parser

All Implemented Interfaces:: ParserConstants, ParserTreeConstants

public final class Parser
extends JexlParser
implements ParserTreeConstants, ParserConstants

Field Summary

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

Fields inherited from interface org.apache.commons.jexl3.parser.ParserTreeConstants
JJTADDNODE, JJTAMBIGUOUS, JJTANDNODE, JJTARGUMENTS, JJTARRAYACCESS, JJTARRAYLITERAL, JJTASSIGNMENT, JJTBITWISEANDNODE, JJTBITWISECOMPLNODE, JJTBITWISEORNODE, JJTBITWISEXORNODE, JJTBLOCK, JJTBREAK, JJTCONSTRUCTORNODE, JJTCONTINUE, JJTDIVNODE, JJTEMPTYFUNCTION, JJTEMPTYMETHOD, JJTEQNODE, JJTERNODE, JJTEWNODE, JJTEXTENDEDLITERAL, JJTFALSENODE, JJTFOREACHSTATEMENT, JJTFUNCTIONNODE, JJTGENODE, JJTGTNODE, JJTIDENTIFIER, JJTIDENTIFIERACCESS, JJTIFSTATEMENT, JJTJEXLLAMBDA, JJTJEXLSCRIPT, JJTJXLTLITERAL, JJTLENODE, JJTLTNODE, JJTMAPENTRY, JJTMAPLITERAL, JJTMETHODNODE, JJTMODNODE, JJTMULNODE, JJTNENODE, JJTNEWNODE, jjtNodeName, JJTNOTNODE, JJTNRNODE, JJTNSWNODE, JJTNULLLITERAL, JJTNUMBERLITERAL, JJTORNODE, JJTRANGENODE, JJTREFERENCE, JJTREFERENCEEXPRESSION, JJTRETURNSTATEMENT, JJTSETADDNODE, JJTSETANDNODE, JJTSETDIVNODE, JJTSETLITERAL, JJTSETMODNODE, JJTSETMULTNODE, JJTSETORNODE, JJTSETSUBNODE, JJTSETXORNODE, JJTSIZEFUNCTION, JJTSIZEMETHOD, JJTSTRINGLITERAL, JJTSUBNODE, JJTSWNODE, JJTTERNARYNODE, JJTTRUENODE, JJTUNARYMINUSNODE, JJTVAR, JJTVOID, JJTWHILESTATEMENT

Fields inherited from interface org.apache.commons.jexl3.parser.ParserConstants
and, AND, and_assign, assign, BREAK, COLON, COMMA, CONTINUE, DEFAULT, DIGIT, div, div_assign, DOT, DOT_ID, DOT_IDENTIFIER, eeq, ELIPSIS, ELSE, ELVIS, EMPTY, ene, EOF, eq, FALSE, FLOAT_LITERAL, FOR, FUNCTION, ge, gt, IDENTIFIER, IF, INTEGER_LITERAL, JXLT_LITERAL, LAMBDA, LBRACKET, LCURLY, le, LETTER, LPAREN, lt, minus, minus_assign, mod, mod_assign, mult, mult_assign, NAN_LITERAL, ne, NEW, not, NULL, or, OR, or_assign, plus, plus_assign, PRAGMA, QMARK, range, RBRACKET, RCURLY, REGISTER, REGISTERS, req, RETURN, rne, RPAREN, SEMICOL, seq, SIZE, sne, STRING_LITERAL, tilda, tokenImage, TRUE, VAR, WHILE, xor, xor_assign

Constructor Summary

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

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`AdditiveExpression()` Arithmetic
`void`	`AndExpression()`
`void`	`Arguments()`
`void`	`ArrayAccess()`
`void`	`ArrayLiteral()`
`void`	`AssignmentExpression()`
`void`	`Block()`
`void`	`BooleanLiteral()`
`void`	`Break()`
`void`	`ConditionalAndExpression()`
`void`	`ConditionalExpression()` Conditional & relational
`void`	`ConditionalOrExpression()`
`void`	`Constructor()`
`void`	`Continue()`
`void`	`DeclareVar()`
`void`	`disable_tracing()` Disable tracing.
`void`	`EmptyMethod()` Functions & Methods
`void`	`enable_tracing()` Enable tracing.
`void`	`EqualityExpression()`
`void`	`ExclusiveOrExpression()`
`void`	`Expression()` Expression syntax
`void`	`ExpressionStatement()`
`void`	`ExtendedLiteral()`
`void`	`FloatLiteral()`
`void`	`ForeachStatement()`
`void`	`ForEachVar()`
`void`	`FunctionCall()`
`void`	`FunctionCallLookahead()`
`ParseException`	`generateParseException()` Generate ParseException.
`Token`	`getNextToken()` Get the next Token.
`Token`	`getToken(int index)` Get the specific Token.
`void`	`Identifier(boolean top)` Identifier & Literals
`void`	`IdentifierAccess()` References
`void`	`IfStatement()`
`void`	`InclusiveOrExpression()`
`void`	`IntegerLiteral()`
`ASTJexlScript`	`JexlExpression(Scope frame)`
`ASTJexlScript`	`JexlScript(Scope frame)` Statements
`void`	`JxltLiteral()`
`void`	`Lambda()`
`void`	`LambdaLookahead()`
`void`	`Literal()`
`void`	`MapEntry()`
`void`	`MapLiteral()`
`void`	`MemberAccess()`
`void`	`MemberExpression()`
`void`	`MethodCall()`
`void`	`MultiplicativeExpression()`
`void`	`NaNLiteral()`
`void`	`NullLiteral()`
`void`	`Parameter()`
`void`	`Parameters()`
`ASTJexlScript`	`parse(JexlInfo info, String jexlSrc, Scope scope, boolean registers, boolean expr)`
`void`	`Pragma()`
`void`	`pragmaKey(LinkedList<String> lstr)`
`Object`	`pragmaValue()`
`void`	`PrimaryExpression()`
`void`	`ReferenceExpression()`
`void`	`ReInit(InputStream stream)` Reinitialise.
`void`	`ReInit(InputStream stream, String encoding)` Reinitialise.
`void`	`ReInit(ParserTokenManager tm)` Reinitialise.
`void`	`ReInit(Reader stream)` Reinitialise.
`void`	`RelationalExpression()`
`void`	`ReturnStatement()`
`void`	`SetLiteral()`
`void`	`SizeMethod()`
`void`	`Statement()`
`void`	`StringIdentifier()`
`void`	`StringLiteral()`
`void`	`UnaryExpression()`
`void`	`ValueExpression()`
`void`	`Var()`
`void`	`WhileStatement()`

Methods inherited from class org.apache.commons.jexl3.parser.JexlParser
allowRegisters, checkVariable, declareParameter, declarePragma, declareVariable, getFrame, Identifier, popFrame, pushFrame, setFrame, throwParsingException

Methods inherited from class org.apache.commons.jexl3.parser.StringParser
buildString, escapeString, readString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

jjtree
```
protected JJTParserState jjtree
```

token_source
```
public ParserTokenManager token_source
```
Generated Token Manager.

token
```
public Token token
```
Current token.

jj_nt
```
public Token jj_nt
```
Next token.

Constructor Detail

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 Detail

parse

public ASTJexlScript parse(JexlInfo info,
                  String jexlSrc,
                  Scope scope,
                  boolean registers,
                  boolean expr)

JexlScript

public final ASTJexlScript JexlScript(Scope frame)
                               throws ParseException

Statements

Throws:: ParseException

JexlExpression

public final ASTJexlScript JexlExpression(Scope frame)
                                   throws ParseException

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

ReturnStatement

public final void ReturnStatement()
                           throws ParseException

Throws:: ParseException

Continue

public final void Continue()
                    throws ParseException

Throws:: ParseException

Break

public final void Break()
                 throws ParseException

Throws:: ParseException

ForeachStatement

public final void ForeachStatement()
                            throws ParseException

Throws:: ParseException

ForEachVar

public final void ForEachVar()
                      throws ParseException

Throws:: ParseException

Var

public final void Var()
               throws ParseException

Throws:: ParseException

DeclareVar

public final void DeclareVar()
                      throws ParseException

Throws:: ParseException

Pragma

public final void Pragma()
                  throws ParseException

Throws:: ParseException

pragmaKey

public final void pragmaKey(LinkedList<String> lstr)
                     throws ParseException

Throws:: ParseException

pragmaValue

public final Object pragmaValue()
                         throws ParseException

Throws:: ParseException

Expression

public final void Expression()
                      throws ParseException

Expression syntax

Throws:: ParseException

AssignmentExpression

public final void AssignmentExpression()
                                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

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

NaNLiteral

public final void NaNLiteral()
                      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

JxltLiteral

public final void JxltLiteral()
                       throws ParseException

Throws:: ParseException

ExtendedLiteral

public final void ExtendedLiteral()
                           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

SetLiteral

public final void SetLiteral()
                      throws ParseException

Throws:: ParseException

EmptyMethod

public final void EmptyMethod()
                       throws ParseException

Functions & Methods

Throws:: ParseException

SizeMethod

public final void SizeMethod()
                      throws ParseException

Throws:: ParseException

Arguments

public final void Arguments()
                     throws ParseException

Throws:: ParseException

FunctionCallLookahead

public final void FunctionCallLookahead()
                                 throws ParseException

Throws:: ParseException

FunctionCall

public final void FunctionCall()
                        throws ParseException

Throws:: ParseException

Constructor

public final void Constructor()
                       throws ParseException

Throws:: ParseException

Parameter

public final void Parameter()
                     throws ParseException

Throws:: ParseException

Parameters

public final void Parameters()
                      throws ParseException

Throws:: ParseException

LambdaLookahead

public final void LambdaLookahead()
                           throws ParseException

Throws:: ParseException

Lambda

public final void Lambda()
                  throws ParseException

Throws:: ParseException

IdentifierAccess

public final void IdentifierAccess()
                            throws ParseException

References

Throws:: ParseException

ArrayAccess

public final void ArrayAccess()
                       throws ParseException

Throws:: ParseException

MemberAccess

public final void MemberAccess()
                        throws ParseException

Throws:: ParseException

ReferenceExpression

public final void ReferenceExpression()
                               throws ParseException

Throws:: ParseException

PrimaryExpression

public final void PrimaryExpression()
                             throws ParseException

Throws:: ParseException

MethodCall

public final void MethodCall()
                      throws ParseException

Throws:: ParseException

MemberExpression

public final void MemberExpression()
                            throws ParseException

Throws:: ParseException

ValueExpression

public final void ValueExpression()
                           throws ParseException

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.

enable_tracing
```
public final void enable_tracing()
```
Enable tracing.

disable_tracing
```
public final void disable_tracing()
```
Disable tracing.

Class Parser

Field Summary

Fields inherited from interface org.apache.commons.jexl3.parser.ParserTreeConstants

Fields inherited from interface org.apache.commons.jexl3.parser.ParserConstants

Constructor Summary

Method Summary

Methods inherited from class org.apache.commons.jexl3.parser.JexlParser

Methods inherited from class org.apache.commons.jexl3.parser.StringParser

Methods inherited from class java.lang.Object

Field Detail

jjtree

token_source

token

jj_nt

Constructor Detail

Parser

Parser

Parser

Parser

Method Detail

parse

JexlScript

JexlExpression

Statement

Block

ExpressionStatement

IfStatement

WhileStatement

ReturnStatement

Continue

Break

ForeachStatement

ForEachVar

Var

DeclareVar

Pragma

pragmaKey

pragmaValue

Expression

AssignmentExpression

ConditionalExpression

ConditionalOrExpression

ConditionalAndExpression

InclusiveOrExpression

ExclusiveOrExpression

AndExpression

EqualityExpression

RelationalExpression

AdditiveExpression

MultiplicativeExpression

UnaryExpression

Identifier

StringIdentifier

Literal

NaNLiteral

NullLiteral

BooleanLiteral

IntegerLiteral

FloatLiteral

StringLiteral

JxltLiteral

ExtendedLiteral

ArrayLiteral

MapLiteral

MapEntry

SetLiteral

EmptyMethod

SizeMethod

Arguments

FunctionCallLookahead

FunctionCall

Constructor

Parameter

Parameters

LambdaLookahead

Lambda

IdentifierAccess

ArrayAccess

MemberAccess

ReferenceExpression