Package net.ssehub.easy.producer.ui.productline_editor.instantiator

Class RuleTreeVilVisitor

java.lang.Object

net.ssehub.easy.producer.ui.productline_editor.instantiator.RuleTreeVilVisitor

All Implemented Interfaces:

IVisitor, IMatchVisitor, IVisitor, IExpressionVisitor

public class RuleTreeVilVisitor
extends java.lang.Object
implements IVisitor, IExpressionVisitor

A visitor turning a VIL script into a tree suitable for SWT display.

Author:

Holger Eichelberger

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.Stack<TreeNode>	parents
private java.util.List<RuleTreeNode>	rootNodes

Constructor Summary

Constructors

Constructor	Description
RuleTreeVilVisitor()

Method Summary

Modifier and Type	Method	Description
private TreeNode	getCurrentParent()	Returns the current parent.
(package private) RuleTreeNode[]	getRootNodes()	Returns the root nodes.
java.lang.Object	visitAdvice(Advice advice)	Visits an advice.
java.lang.Object	visitAlternativeExpression(AlternativeExpression alt)	Visits an alternative.
java.lang.Object	visitArtifactMatchExpression(ArtifactMatchExpression expression)	Visits an artifact match expression.
java.lang.Object	visitBooleanMatchExpression(BooleanMatchExpression expression)	Visits a boolean match expression.
java.lang.Object	visitCallExpression(CallExpression call)	Visits a call node.
java.lang.Object	visitCollectionMatchExpression(CollectionMatchExpression expression)	Visits a collection match expression.
java.lang.Object	visitCompositeExpression(CompositeExpression ex)	Visits a composite expression.
java.lang.Object	visitCompound(Compound compound)	Visits a compound.
java.lang.Object	visitCompoundMatchExpression(CompoundMatchExpression expression)	Visits a compound match expression.
java.lang.Object	visitConstantExpression(ConstantExpression cst)	Visits a constant node.
java.lang.Object	visitContainerInitializerExpression(ContainerInitializerExpression ex)	Visits a container initializer expression.
java.lang.Object	visitExpression(Expression ex)	Visits an unspecified expression (in case of specialized nodes).
java.lang.Object	visitExpressionEvaluator(ExpressionEvaluator ex)	Visits an expression evaluator.
java.lang.Object	visitExpressionStatement(ExpressionStatement statement)	Visits a statement.
java.lang.Object	visitFieldAccessExpression(FieldAccessExpression ex)	Visits a field access expression.
java.lang.Object	visitForStatement(ForStatement stmt)	Visits a for statement.
java.lang.Object	visitInstantiateExpression(InstantiateExpression inst)	Visits an instantiate expression.
java.lang.Object	visitJoinExpression(JoinExpression ex)	Visits a join expression.
java.lang.Object	visitJoinVariableDeclaration(JoinVariableDeclaration decl)	Visits a join variable declaration.
java.lang.Object	visitLoadProperties(LoadProperties properties)	Visits a load properties directive.
java.lang.Object	visitMapExpression(MapExpression map)	Visits a map expression.
java.lang.Object	visitMultiAndExpression(MultiAndExpression ex)	Visits a multi-and expression.
java.lang.Object	visitParenthesisExpression(ParenthesisExpression par)	Visits a parenthesis node.
java.lang.Object	visitPathMatchExpression(PathMatchExpression expression)	Visits a path match expression.
java.lang.Object	visitResolvableOperationCallExpression(ResolvableOperationCallExpression ex)	Visits resolvable operation call expression (function pointer call).
java.lang.Object	visitResolvableOperationExpression(ResolvableOperationExpression ex)	Visits resolvable operation expression (function pointer resolution).
java.lang.Object	visitRule(Rule rule)	Visits a rule.
java.lang.Object	visitRule(VtlRule rule)	Visits a VTL mapping rule.
private void	visitRuleBlock(TreeNode node, IRuleBlock block)	Visits a rule block and add the created nodes as children of node.
java.lang.Object	visitRuleCallExpression(RuleCallExpression ex)	Visits a rule call expression.
java.lang.Object	visitScript(Script script)	Visits a script.
java.lang.Object	visitStrategyCallExpression(StrategyCallExpression call)	Visits a strategy call node.
java.lang.Object	visitStringExpression(StringExpression ex)	Visits a string expression.
java.lang.Object	visitStringMatchExpression(StringMatchExpression expression)	Visits a string match expression.
java.lang.Object	visitTypedef(Typedef typedef)	Visits a typedef.
java.lang.Object	visitValueAssignmentExpression(ValueAssignmentExpression ex)	Visits a value assignment expression.
java.lang.Object	visitVariableDeclaration(VariableDeclaration var)	Visits a variable declaration.
java.lang.Object	visitVariableExpression(VariableExpression cst)	Visits a constant node.
java.lang.Object	visitVarModelIdentifierExpression(VarModelIdentifierExpression identifier)	Visits a variability model identifier.
java.lang.Object	visitVilTypeExpression(VilTypeExpression typeExpression)	Visits a VIL type expression.
java.lang.Object	visitWhileStatement(WhileStatement stmt)	Visits a while statement.

Methods inherited from class java.lang.Object

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

Field Detail

rootNodes

private java.util.List<RuleTreeNode> rootNodes

parents

private java.util.Stack<TreeNode> parents

Constructor Detail

RuleTreeVilVisitor

public RuleTreeVilVisitor()

Method Detail

getRootNodes

RuleTreeNode[] getRootNodes()

Returns the root nodes.

Returns:

the created root nodes

getCurrentParent

private TreeNode getCurrentParent()

Returns the current parent.

Returns:

the current parent

visitVariableDeclaration

public java.lang.Object visitVariableDeclaration(VariableDeclaration var)
                                          throws VilException

Description copied from interface: IVisitor

Visits a variable declaration.

Specified by:

visitVariableDeclaration in interface IVisitor

Parameters:

var - the variable declaration

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitAdvice

public java.lang.Object visitAdvice(Advice advice)
                             throws VilException

Description copied from interface: IVisitor

Visits an advice.

Specified by:

visitAdvice in interface IVisitor

Parameters:

advice - the advice to be visited

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitExpressionStatement

public java.lang.Object visitExpressionStatement(ExpressionStatement statement)
                                          throws VilException

Description copied from interface: IVisitor

Visits a statement.

Specified by:

visitExpressionStatement in interface IVisitor

Parameters:

statement - the statement

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitTypedef

public java.lang.Object visitTypedef(Typedef typedef)
                              throws VilException

Description copied from interface: IVisitor

Visits a typedef.

Specified by:

visitTypedef in interface IVisitor

Parameters:

typedef - the typedef

Returns:

the result of visiting (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitPathMatchExpression

public java.lang.Object visitPathMatchExpression(PathMatchExpression expression)
                                          throws VilException

Description copied from interface: IMatchVisitor

Visits a path match expression.

Specified by:

visitPathMatchExpression in interface IMatchVisitor

Parameters:

expression - the expression

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitStringMatchExpression

public java.lang.Object visitStringMatchExpression(StringMatchExpression expression)
                                            throws VilException

Description copied from interface: IMatchVisitor

Visits a string match expression.

Specified by:

visitStringMatchExpression in interface IMatchVisitor

Parameters:

expression - the expression

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitArtifactMatchExpression

public java.lang.Object visitArtifactMatchExpression(ArtifactMatchExpression expression)
                                              throws VilException

Description copied from interface: IMatchVisitor

Visits an artifact match expression.

Specified by:

visitArtifactMatchExpression in interface IMatchVisitor

Parameters:

expression - the expression

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitCollectionMatchExpression

public java.lang.Object visitCollectionMatchExpression(CollectionMatchExpression expression)
                                                throws VilException

Description copied from interface: IMatchVisitor

Visits a collection match expression.

Specified by:

visitCollectionMatchExpression in interface IMatchVisitor

Parameters:

expression - the expression

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitBooleanMatchExpression

public java.lang.Object visitBooleanMatchExpression(BooleanMatchExpression expression)
                                             throws VilException

Description copied from interface: IMatchVisitor

Visits a boolean match expression.

Specified by:

visitBooleanMatchExpression in interface IMatchVisitor

Parameters:

expression - the expression

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitCompoundMatchExpression

public java.lang.Object visitCompoundMatchExpression(CompoundMatchExpression expression)
                                              throws VilException

Description copied from interface: IMatchVisitor

Visits a compound match expression.

Specified by:

visitCompoundMatchExpression in interface IMatchVisitor

Parameters:

expression - the expression

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitScript

public java.lang.Object visitScript(Script script)
                             throws VilException

Description copied from interface: IVisitor

Visits a script.

Specified by:

visitScript in interface IVisitor

Parameters:

script - the project instance

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitLoadProperties

public java.lang.Object visitLoadProperties(LoadProperties properties)
                                     throws VilException

Description copied from interface: IVisitor

Visits a load properties directive.

Specified by:

visitLoadProperties in interface IVisitor

Parameters:

properties - the load properties representation

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitStrategyCallExpression

public java.lang.Object visitStrategyCallExpression(StrategyCallExpression call)
                                             throws VilException

Description copied from interface: IVisitor

Visits a strategy call node.

Specified by:

visitStrategyCallExpression in interface IVisitor

Parameters:

call - the node

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitRuleCallExpression

public java.lang.Object visitRuleCallExpression(RuleCallExpression ex)
                                         throws VilException

Description copied from interface: IVisitor

Visits a rule call expression.

Specified by:

visitRuleCallExpression in interface IVisitor

Parameters:

ex - the expression

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitJoinExpression

public java.lang.Object visitJoinExpression(JoinExpression ex)
                                     throws VilException

Description copied from interface: IVisitor

Visits a join expression.

Specified by:

visitJoinExpression in interface IVisitor

Parameters:

ex - the join expression

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitJoinVariableDeclaration

public java.lang.Object visitJoinVariableDeclaration(JoinVariableDeclaration decl)
                                              throws VilException

Description copied from interface: IVisitor

Visits a join variable declaration.

Specified by:

visitJoinVariableDeclaration in interface IVisitor

Parameters:

decl - the declaration

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitAlternativeExpression

public java.lang.Object visitAlternativeExpression(AlternativeExpression alt)
                                            throws VilException

Description copied from interface: IVisitor

Visits an alternative.

Specified by:

visitAlternativeExpression in interface IVisitor

Parameters:

alt - the alternative

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitRule

public java.lang.Object visitRule(VtlRule rule)
                           throws VilException

Description copied from interface: IVisitor

Visits a VTL mapping rule.

Specified by:

visitRule in interface IVisitor

Parameters:

rule - the rule

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitRule

public java.lang.Object visitRule(Rule rule)
                           throws VilException

Description copied from interface: IVisitor

Visits a rule.

Specified by:

visitRule in interface IVisitor

Parameters:

rule - the rule

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitRuleBlock

private void visitRuleBlock(TreeNode node,
                            IRuleBlock block)

Visits a rule block and add the created nodes as children of node.

Parameters:

node - the node to be modified

block - the block to be visited

visitMapExpression

public java.lang.Object visitMapExpression(MapExpression map)
                                    throws VilException

Description copied from interface: IVisitor

Visits a map expression.

Specified by:

visitMapExpression in interface IVisitor

Parameters:

map - the expression to be visited

Returns:

the result of visiting the given expression (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitWhileStatement

public java.lang.Object visitWhileStatement(WhileStatement stmt)
                                     throws VilException

Description copied from interface: IVisitor

Visits a while statement.

Specified by:

visitWhileStatement in interface IVisitor

Parameters:

stmt - the statement to be visited

Returns:

the result of visiting the given expression (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitForStatement

public java.lang.Object visitForStatement(ForStatement stmt)
                                   throws VilException

Description copied from interface: IVisitor

Visits a for statement.

Specified by:

visitForStatement in interface IVisitor

Parameters:

stmt - the statement to be visited

Returns:

the result of visiting the given expression (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitInstantiateExpression

public java.lang.Object visitInstantiateExpression(InstantiateExpression inst)
                                            throws VilException

Description copied from interface: IVisitor

Visits an instantiate expression.

Specified by:

visitInstantiateExpression in interface IVisitor

Parameters:

inst - the instantiation expression

Returns:

the result of visiting the given expression (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitParenthesisExpression

public java.lang.Object visitParenthesisExpression(ParenthesisExpression par)
                                            throws VilException

Description copied from interface: IExpressionVisitor

Visits a parenthesis node.

Specified by:

visitParenthesisExpression in interface IExpressionVisitor

Parameters:

par - the node

Returns:

the result of visiting this expression (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitCallExpression

public java.lang.Object visitCallExpression(CallExpression call)
                                     throws VilException

Description copied from interface: IExpressionVisitor

Visits a call node.

Specified by:

visitCallExpression in interface IExpressionVisitor

Parameters:

call - the node

Returns:

the result of visiting this expression (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitMultiAndExpression

public java.lang.Object visitMultiAndExpression(MultiAndExpression ex)
                                         throws VilException

Description copied from interface: IExpressionVisitor

Visits a multi-and expression.

Specified by:

visitMultiAndExpression in interface IExpressionVisitor

Parameters:

ex - the expression

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitConstantExpression

public java.lang.Object visitConstantExpression(ConstantExpression cst)
                                         throws VilException

Description copied from interface: IExpressionVisitor

Visits a constant node.

Specified by:

visitConstantExpression in interface IExpressionVisitor

Parameters:

cst - the node

Returns:

the result of visiting this expression (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitStringExpression

public java.lang.Object visitStringExpression(StringExpression ex)
                                       throws VilException

Description copied from interface: IExpressionVisitor

Visits a string expression.

Specified by:

visitStringExpression in interface IExpressionVisitor

Parameters:

ex - the expression

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitVarModelIdentifierExpression

public java.lang.Object visitVarModelIdentifierExpression(VarModelIdentifierExpression identifier)
                                                   throws VilException

Description copied from interface: IExpressionVisitor

Visits a variability model identifier.

Specified by:

visitVarModelIdentifierExpression in interface IExpressionVisitor

Parameters:

identifier - the identifier

Returns:

the result of visiting this expression (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitVilTypeExpression

public java.lang.Object visitVilTypeExpression(VilTypeExpression typeExpression)
                                        throws VilException

Description copied from interface: IExpressionVisitor

Visits a VIL type expression.

Specified by:

visitVilTypeExpression in interface IExpressionVisitor

Parameters:

typeExpression - the expression

Returns:

the result of visiting this expression (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitVariableExpression

public java.lang.Object visitVariableExpression(VariableExpression cst)
                                         throws VilException

Description copied from interface: IExpressionVisitor

Visits a constant node.

Specified by:

visitVariableExpression in interface IExpressionVisitor

Parameters:

cst - the node

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitExpressionEvaluator

public java.lang.Object visitExpressionEvaluator(ExpressionEvaluator ex)
                                          throws VilException

Description copied from interface: IExpressionVisitor

Visits an expression evaluator.

Specified by:

visitExpressionEvaluator in interface IExpressionVisitor

Parameters:

ex - the evaluator

Returns:

the result of visiting this expression (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitExpression

public java.lang.Object visitExpression(Expression ex)
                                 throws VilException

Description copied from interface: IExpressionVisitor

Visits an unspecified expression (in case of specialized nodes).

Specified by:

visitExpression in interface IExpressionVisitor

Parameters:

ex - the node

Returns:

the result of visiting this expression (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitValueAssignmentExpression

public java.lang.Object visitValueAssignmentExpression(ValueAssignmentExpression ex)
                                                throws VilException

Description copied from interface: IExpressionVisitor

Visits a value assignment expression.

Specified by:

visitValueAssignmentExpression in interface IExpressionVisitor

Parameters:

ex - the expression

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitContainerInitializerExpression

public java.lang.Object visitContainerInitializerExpression(ContainerInitializerExpression ex)
                                                     throws VilException

Description copied from interface: IExpressionVisitor

Visits a container initializer expression.

Specified by:

visitContainerInitializerExpression in interface IExpressionVisitor

Parameters:

ex - the expression

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitCompositeExpression

public java.lang.Object visitCompositeExpression(CompositeExpression ex)
                                          throws VilException

Description copied from interface: IExpressionVisitor

Visits a composite expression.

Specified by:

visitCompositeExpression in interface IExpressionVisitor

Parameters:

ex - the expression

Returns:

the result of visiting the given statement

Throws:

VilException - in case that visiting fails (e.g., execution)

visitFieldAccessExpression

public java.lang.Object visitFieldAccessExpression(FieldAccessExpression ex)
                                            throws VilException

Description copied from interface: IExpressionVisitor

Visits a field access expression.

Specified by:

visitFieldAccessExpression in interface IExpressionVisitor

Parameters:

ex - the expression

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitResolvableOperationExpression

public java.lang.Object visitResolvableOperationExpression(ResolvableOperationExpression ex)
                                                    throws VilException

Description copied from interface: IExpressionVisitor

Visits resolvable operation expression (function pointer resolution).

Specified by:

visitResolvableOperationExpression in interface IExpressionVisitor

Parameters:

ex - the expression

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitResolvableOperationCallExpression

public java.lang.Object visitResolvableOperationCallExpression(ResolvableOperationCallExpression ex)
                                                        throws VilException

Description copied from interface: IExpressionVisitor

Visits resolvable operation call expression (function pointer call).

Specified by:

visitResolvableOperationCallExpression in interface IExpressionVisitor

Parameters:

ex - the expression

Returns:

the result of visiting the given statement (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)

visitCompound

public java.lang.Object visitCompound(Compound compound)
                               throws VilException

Description copied from interface: IVisitor

Visits a compound.

Specified by:

visitCompound in interface IVisitor

Parameters:

compound - the compound

Returns:

the result of visiting (may be null)

Throws:

VilException - in case that visiting fails (e.g., execution)