org.apache.commons.jexl3.parser
Class ASTJexlScript

java.lang.Object
  org.apache.commons.jexl3.parser.SimpleNode
      org.apache.commons.jexl3.parser.JexlNode
          org.apache.commons.jexl3.parser.ASTJexlScript

All Implemented Interfaces:

Node

Direct Known Subclasses:

ASTJexlLambda

public class ASTJexlScript
extends JexlNode

Enhanced script to allow parameters declaration.

ASTJexlScript

public ASTJexlScript(int id)

ASTJexlScript

public ASTJexlScript(Parser p,
                     int id)

script

public ASTJexlScript script()

Consider script with no parameters that return lambda as parametric-scripts.

Returns:

the script

jjtAccept

public Object jjtAccept(ParserVisitor visitor,
                        Object data)

Description copied from class: SimpleNode

Accept the visitor.

Specified by:

jjtAccept in interface Node

Overrides:

jjtAccept in class SimpleNode

Parameters:

visitor - the visitor

data - contextual data

Returns:

result of visit

toExpression

public boolean toExpression()

Coerce this script as an expression (ie only one child) if necessary.

Returns:

true if the script was coerced, false otherwise

setScope

public void setScope(Scope theScope)

Sets this script scope.

Parameters:

theScope - the scope

getScope

public Scope getScope()

Returns:

this script scope

getPragmas

public Map<String,Object> getPragmas()

Returns:

this script pragmas

createFrame

public Scope.Frame createFrame(Object... values)

Creates an array of arguments by copying values up to the number of parameters.

Parameters:

values - the argument values

Returns:

the arguments array

getArgCount

public int getArgCount()

Gets the (maximum) number of arguments this script expects.

Returns:

the number of parameters

getSymbols

public String[] getSymbols()

Gets this script symbols, i.e. parameters and local variables.

Returns:

the symbol names

getParameters

public String[] getParameters()

Gets this script parameters, i.e. symbols assigned before creating local variables.

Returns:

the parameter names

getLocalVariables

public String[] getLocalVariables()

Gets this script local variable, i.e. symbols assigned to local variables.

Returns:

the local variable names

isHoistedSymbol

public boolean isHoistedSymbol(int symbol)

Checks whether a given symbol is hoisted.

Parameters:

symbol - the symbol number

Returns:

true if hoisted, false otherwise