Package org.eclipse.epsilon.eol.dom

Class FeatureCallExpression

java.lang.Object

org.eclipse.epsilon.common.module.AbstractModuleElement

org.eclipse.epsilon.eol.dom.AbstractExecutableModuleElement

org.eclipse.epsilon.eol.dom.Expression

org.eclipse.epsilon.eol.dom.FeatureCallExpression

All Implemented Interfaces:

ModuleElement, IExecutableModuleElement

Direct Known Subclasses:

ComplexOperationCallExpression, FirstOrderOperationCallExpression, OperationCallExpression, PropertyCallExpression

public abstract class FeatureCallExpression
extends Expression

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	arrow
protected NameExpression	nameExpression	The feature name expression.
protected boolean	safe
protected Expression	targetExpression

Fields inherited from class org.eclipse.epsilon.common.module.AbstractModuleElement

children, comments, data, module, parent, region, uri

Constructor Summary

Constructors

Constructor	Description
FeatureCallExpression()

Method Summary

Modifier and Type	Method	Description
abstract void	accept(IEolVisitor visitor)
void	build(AST cst, IModule module)
protected AbstractOperation	getAbstractOperation(Object target, String name, IModel owningModel, IEolContext context)
String	getName()	Convenience method for getNameExpression().getName().
NameExpression	getNameExpression()
protected AbstractOperation	getOperationFromContext(Object target, String name, IModel owningModel, IEolContext context)	Looks for the operation in the EolContext EolOperationFactory.
Expression	getTargetExpression()
boolean	isArrow()
boolean	isNullSafe()
void	setNameExpression(NameExpression nameExpression)
void	setTargetExpression(Expression targetExpression)

Methods inherited from class org.eclipse.epsilon.common.module.AbstractModuleElement

equals, getChildren, getComments, getData, getDebugInfo, getFile, getModule, getParent, getRegion, getUri, hashCode, setModule, setParent, setRegion, setUri, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.eclipse.epsilon.eol.dom.IExecutableModuleElement

execute

Methods inherited from interface org.eclipse.epsilon.common.module.ModuleElement

getChildren, getComments, getData, getFile, getModule, getParent, getRegion, getUri, setModule, setParent, setRegion, setUri

Field Details

arrow

protected boolean arrow

safe

protected boolean safe

targetExpression

protected Expression targetExpression

nameExpression

protected NameExpression nameExpression

The feature name expression.

Since:

1.6

Constructor Details

FeatureCallExpression

public FeatureCallExpression()

Method Details

build

public void build(AST cst,
 IModule module)

Specified by:

build in interface ModuleElement

Overrides:

build in class AbstractModuleElement

getAbstractOperation

protected AbstractOperation getAbstractOperation(Object target,
 String name,
 IModel owningModel,
 IEolContext context)
                                          throws EolIllegalOperationException

Throws:

EolIllegalOperationException

getOperationFromContext

protected AbstractOperation getOperationFromContext(Object target,
 String name,
 IModel owningModel,
 IEolContext context)
                                             throws EolIllegalOperationException

Looks for the operation in the EolContext EolOperationFactory.

Parameters:

target - The object this feature is called on.

name - The requested operation name.

owningModel - The model (optional).

context - The context from which the EolOperationFactory is derived.

Returns:

The operation.

Throws:

EolIllegalOperationException

Since:

1.6

getTargetExpression

public Expression getTargetExpression()

setTargetExpression

public void setTargetExpression(Expression targetExpression)

setNameExpression

public void setNameExpression(NameExpression nameExpression)

Parameters:

nameExpression -

Since:

1.6

getNameExpression

public NameExpression getNameExpression()

Returns:

Since:

1.6

getName

public String getName()

Convenience method for getNameExpression().getName().

Returns:

The name of the feature call, or null if absent.

Since:

1.6

isArrow

public boolean isArrow()

isNullSafe

public boolean isNullSafe()

Returns:

Since:

2.1

accept

public abstract void accept(IEolVisitor visitor)

Specified by:

accept in class Expression