Package org.apache.commons.jexl.parser

Contains the Parser for JEXL script.

See:
Description

Interface Summary

Node	All AST nodes must implement this interface.
ParserConstants
ParserTreeConstants
ParserVisitor

Class Summary

ASTAddNode	Addition : either integer addition or string concatenation.
ASTAndNode	&& and 'and'.
ASTArrayAccess	Like an ASTIdentifier, but with array access allowed.
ASTAssignment	x = y, assigns a value to a variable in the context.
ASTBitwiseAndNode	Bitwise And.
ASTBitwiseComplNode	Bitwise Complement.
ASTBitwiseOrNode	Bitwise Or.
ASTBitwiseXorNode	Bitwise Or.
ASTBlock	{ code }, a block of statements enclosed in curly braces.
ASTDivNode	a / b, mathematical divide.
ASTEmptyFunction	function to see if reference doesn't exist in context.
ASTEQNode	Represents equality between values.
ASTExpression	AST node for expression.
ASTExpressionExpression	represents equality between integers - use .equals() for strings.
ASTFalseNode	represents Boolean false.
ASTFloatLiteral	represents a float point number.
ASTForeachStatement	ForEach statement.
ASTGENode	GE : a >= b.
ASTGTNode	GT : a > b.
ASTIdentifier	Simple identifier - $foo or $foo.bar (both parts are identifiers).
ASTIfStatement	if ( expression ) statement [else statement].
ASTIntegerLiteral	represents an integer.
ASTJexlScript	Top of the syntax tree - parsed Jexl code.
ASTLENode	LE : a <= b.
ASTLTNode	LT : a < b.
ASTMethod	Method execution.
ASTModNode	% (mod).
ASTMulNode	Multiplication.
ASTNENode	Not equal to.
ASTNotNode	Not : 'not' or '!'.
ASTNullLiteral	'null'.
ASTOrNode	|| and 'or'.
ASTReference	reference - any variable expression.
ASTReferenceExpression	variable; A reference by itself.
ASTSizeFunction	generalized size() function for all classes we can think of.
ASTSizeMethod	Size Method, e.g.
ASTStatementExpression	Assignment as an expression.
ASTStringLiteral	represents a quoted string.
ASTSubtractNode	Subtraction.
ASTTrueNode	represents Boolean true.
ASTUnaryMinusNode	- (unary minus).
ASTWhileStatement	A while loop.
Parser
ParserTokenManager
SimpleCharStream	An implementation of interface CharStream, where the stream is assumed to contain only ASCII characters (without unicode processing).
SimpleNode	A Useful implementation of Node.
Token	Describes the input token stream.

Exception Summary

ParseException

This exception is thrown when parse errors are encountered.

Error Summary

TokenMgrError

Package org.apache.commons.jexl.parser Description

Contains the Parser for JEXL script.

• Introduction

Introduction

This package contains the Parser for JEXL script.