org.apache.el.parser

## Class ELParser

- java.lang.Object
- - org.apache.el.parser.ELParser

- All Implemented Interfaces:
    ELParserConstants, ELParserTreeConstants

      public class ELParser
      extends Object
      implements ELParserTreeConstants, ELParserConstants

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `Token` | `jj_nt` Next token.
    `protected JJTELParserState` | `jjtree`
    `Token` | `token` Current token.
    `ELParserTokenManager` | `token_source` Generated Token Manager.

    - ### Fields inherited from interface org.apache.el.parser.ELParserTreeConstants

      `JJTAND, JJTBRACKETSUFFIX, JJTCHOICE, JJTCOMPOSITEEXPRESSION, JJTDEFERREDEXPRESSION, JJTDIV, JJTDOTSUFFIX, JJTDYNAMICEXPRESSION, JJTEMPTY, JJTEQUAL, JJTFALSE, JJTFLOATINGPOINT, JJTFUNCTION, JJTGREATERTHAN, JJTGREATERTHANEQUAL, JJTIDENTIFIER, JJTINTEGER, JJTLESSTHAN, JJTLESSTHANEQUAL, JJTLITERALEXPRESSION, JJTMETHODPARAMETERS, JJTMINUS, JJTMOD, JJTMULT, JJTNEGATIVE, jjtNodeName, JJTNOT, JJTNOTEQUAL, JJTNULL, JJTOR, JJTPLUS, JJTSTRING, JJTTRUE, JJTVALUE, JJTVOID`

    - ### Fields inherited from interface org.apache.el.parser.ELParserConstants

      `AND0, AND1, COLON, COMMA, DEFAULT, DIGIT, DIV0, DIV1, DOT, EMPTY, END_EXPRESSION, EOF, EQ0, EQ1, EXPONENT, FALSE, FLOATING_POINT_LITERAL, FUNCTIONSUFFIX, GE0, GE1, GT0, GT1, IDENTIFIER, ILLEGAL_CHARACTER, IMPL_OBJ_START, IN_EXPRESSION, INSTANCEOF, INTEGER_LITERAL, LBRACK, LE0, LE1, LETTER, LITERAL_EXPRESSION, LPAREN, LT0, LT1, MINUS, MOD0, MOD1, MULT, NE0, NE1, NOT0, NOT1, NULL, OR0, OR1, PLUS, QUESTIONMARK, RBRACK, RPAREN, START_DEFERRED_EXPRESSION, START_DYNAMIC_EXPRESSION, STRING_LITERAL, tokenImage, TRUE`

  - ### Constructor Summary

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

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `And()`
    `void` | `Boolean()`
    `void` | `BracketSuffix()`
    `void` | `Choice()`
    `void` | `Compare()`
    `AstCompositeExpression` | `CompositeExpression()`
    `void` | `DeferredExpression()`
    `void` | `disable_tracing()` Disable tracing.
    `void` | `DotSuffix()`
    `void` | `DynamicExpression()`
    `void` | `enable_tracing()` Enable tracing.
    `void` | `Equality()`
    `void` | `Expression()`
    `void` | `FloatingPoint()`
    `void` | `Function()`
    `ParseException` | `generateParseException()` Generate ParseException.
    `Token` | `getNextToken()` Get the next Token.
    `Token` | `getToken(int index)` Get the specific Token.
    `void` | `Identifier()`
    `void` | `Integer()`
    `void` | `Literal()`
    `void` | `LiteralExpression()`
    `void` | `Math()`
    `void` | `MethodParameters()`
    `void` | `Multiplication()`
    `void` | `NonLiteral()`
    `void` | `Null()`
    `void` | `Or()`
    `static Node` | `parse(String ref)`
    `void` | `ReInit(ELParserTokenManager tm)` Reinitialise.
    `void` | `ReInit(InputStream stream)` Reinitialise.
    `void` | `ReInit(InputStream stream, String encoding)` Reinitialise.
    `void` | `ReInit(Reader stream)` Reinitialise.
    `void` | `String()`
    `void` | `Unary()`
    `void` | `Value()`
    `void` | `ValuePrefix()`
    `void` | `ValueSuffix()`

    - ### Methods inherited from class java.lang.Object

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

- - ### Field Detail

    - #### jjtree

          protected JJTELParserState jjtree

    - #### token_source

          public ELParserTokenManager token_source

      Generated Token Manager.

    - #### token

          public Token token

      Current token.

    - #### jj_nt

          public Token jj_nt

      Next token.

  - ### Constructor Detail

    - #### ELParser

          public ELParser(InputStream stream)

      Constructor with InputStream.

    - #### ELParser

          public ELParser(InputStream stream,
                  String encoding)

      Constructor with InputStream and supplied encoding

    - #### ELParser

          public ELParser(Reader stream)

      Constructor.

    - #### ELParser

          public ELParser(ELParserTokenManager tm)

      Constructor with generated Token Manager.

  - ### Method Detail

    - #### parse

          public static Node parse(String ref)
                            throws ELException

      Throws:
        `ELException`

    - #### CompositeExpression

          public final AstCompositeExpression CompositeExpression()
                                                           throws ParseException

      Throws:
        `ParseException`

    - #### LiteralExpression

          public final void LiteralExpression()
                                       throws ParseException

      Throws:
        `ParseException`

    - #### DeferredExpression

          public final void DeferredExpression()
                                        throws ParseException

      Throws:
        `ParseException`

    - #### DynamicExpression

          public final void DynamicExpression()
                                       throws ParseException

      Throws:
        `ParseException`

    - #### Expression

          public final void Expression()
                                throws ParseException

      Throws:
        `ParseException`

    - #### Choice

          public final void Choice()
                            throws ParseException

      Throws:
        `ParseException`

    - #### Or

          public final void Or()
                        throws ParseException

      Throws:
        `ParseException`

    - #### And

          public final void And()
                         throws ParseException

      Throws:
        `ParseException`

    - #### Equality

          public final void Equality()
                              throws ParseException

      Throws:
        `ParseException`

    - #### Compare

          public final void Compare()
                             throws ParseException

      Throws:
        `ParseException`

    - #### Math

          public final void Math()
                          throws ParseException

      Throws:
        `ParseException`

    - #### Multiplication

          public final void Multiplication()
                                    throws ParseException

      Throws:
        `ParseException`

    - #### Unary

          public final void Unary()
                           throws ParseException

      Throws:
        `ParseException`

    - #### Value

          public final void Value()
                           throws ParseException

      Throws:
        `ParseException`

    - #### ValuePrefix

          public final void ValuePrefix()
                                 throws ParseException

      Throws:
        `ParseException`

    - #### ValueSuffix

          public final void ValueSuffix()
                                 throws ParseException

      Throws:
        `ParseException`

    - #### DotSuffix

          public final void DotSuffix()
                               throws ParseException

      Throws:
        `ParseException`

    - #### BracketSuffix

          public final void BracketSuffix()
                                   throws ParseException

      Throws:
        `ParseException`

    - #### MethodParameters

          public final void MethodParameters()
                                      throws ParseException

      Throws:
        `ParseException`

    - #### NonLiteral

          public final void NonLiteral()
                                throws ParseException

      Throws:
        `ParseException`

    - #### Identifier

          public final void Identifier()
                                throws ParseException

      Throws:
        `ParseException`

    - #### Function

          public final void Function()
                              throws ParseException

      Throws:
        `ParseException`

    - #### Literal

          public final void Literal()
                             throws ParseException

      Throws:
        `ParseException`

    - #### Boolean

          public final void Boolean()
                             throws ParseException

      Throws:
        `ParseException`

    - #### FloatingPoint

          public final void FloatingPoint()
                                   throws ParseException

      Throws:
        `ParseException`

    - #### Integer

          public final void Integer()
                             throws ParseException

      Throws:
        `ParseException`

    - #### String

          public final void String()
                            throws ParseException

      Throws:
        `ParseException`

    - #### Null

          public final void Null()
                          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(ELParserTokenManager tm)

      Reinitialise.

    - #### getNextToken

          public final Token getNextToken()

      Get the next Token.

    - #### getToken

          public final Token getToken(int index)

      Get the specific Token.

    - #### generateParseException

          public ParseException generateParseException()

      Generate ParseException.

    - #### enable_tracing

          public final void enable_tracing()

      Enable tracing.

    - #### disable_tracing

          public final void disable_tracing()

      Disable tracing.

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