com.whitestein.lsps.lang.ast

Class ReferenceExpression

java.lang.Object

com.whitestein.lsps.lang.ast.ASTRangeImpl

com.whitestein.lsps.lang.ast.ASTNodeImpl

com.whitestein.lsps.lang.ast.Expression

com.whitestein.lsps.lang.ast.ContextReferencingExpression

com.whitestein.lsps.lang.ast.ReferenceExpression

All Implemented Interfaces:

ASTInfo, ASTNode, ASTRange

public final class ReferenceExpression
extends ContextReferencingExpression

Author:

rba

Field Summary

Fields inherited from interface com.whitestein.lsps.lang.ast.ASTInfo

EMPTY

Constructor Summary

Constructors

Constructor and Description
ReferenceExpression(ASTInfo info, AssignableExpression expression, boolean isAssignment)

Method Summary

Modifier and Type	Method and Description
<T,E extends Throwable> T	accept(ExpressionVisitor<T,E> visitor) Accepts visitor.
protected Object	basicInterpret(Interpreter interpreter, InterpreterStackTrace stackTrace) Interpret expression.
AssignableExpression	getExpression() Returns the referenced expression.
ReferenceType	getType() Returns the return type.
boolean	isAssignment() Returns true if it is reference in assignment.
boolean	isReferencingNonModuleContext() Returns true if the closure is referencing non-module variables from outside scope and or methods (if it is in a method body).
static boolean	validExpression(Expression expression) Returns true if given expression can be referenced.

Methods inherited from class com.whitestein.lsps.lang.ast.Expression

createANTLRParser, doInterpret, evalCondition, evaluate, evaluateToExpressions, executeCompiled, getCompiled, getDebugLine, getParseTimeConstant, getPrimaryRange, getPropertySelectorRange, getResultExpression, getResultExpressions, interpret, interpretInCurrentNamespace, isCreatingNonModuleContextObjects, isParseTimeConstant, requiresNewNamespace, setCompiled, showInFullText, showInSurroundingText, showInText, toExpressions

Methods inherited from class com.whitestein.lsps.lang.ast.ASTNodeImpl

getFullText, getLine, getNodeText, getText, toString

Methods inherited from class com.whitestein.lsps.lang.ast.ASTRangeImpl

contains, getBeginIndex, getEndIndex, getLength

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.whitestein.lsps.lang.ast.ASTNode

getFullText, getLine, getNodeText, getText

Methods inherited from interface com.whitestein.lsps.lang.ast.ASTRange

contains, getBeginIndex, getEndIndex, getLength

Constructor Detail

ReferenceExpression

public ReferenceExpression(ASTInfo info,
                           AssignableExpression expression,
                           boolean isAssignment)

Parameters:

info -

expression -

isAssignment -

Method Detail

getType

public ReferenceType getType()

Description copied from class: Expression

Returns the return type.

Overrides:

getType in class Expression

Returns:

the return type

getExpression

public AssignableExpression getExpression()

Returns the referenced expression.

Returns:

the referenced expression

isAssignment

public boolean isAssignment()

Returns true if it is reference in assignment.

Returns:

true if it is reference in assignment

isReferencingNonModuleContext

public boolean isReferencingNonModuleContext()

Description copied from class: ContextReferencingExpression

Returns true if the closure is referencing non-module variables from outside scope and or methods (if it is in a method body).

Specified by:

isReferencingNonModuleContext in class ContextReferencingExpression

Returns:

true if the closure is referencing enclosing non-module context

validExpression

public static boolean validExpression(Expression expression)

Returns true if given expression can be referenced.

Parameters:

expression -

Returns:

true if given expression can be referenced

accept

public <T,E extends Throwable> T accept(ExpressionVisitor<T,E> visitor)
                                 throws E extends Throwable

Description copied from class: Expression

Accepts visitor.

Specified by:

accept in class Expression

Returns:

the result of visit

Throws:

E

E extends Throwable

basicInterpret

protected Object basicInterpret(Interpreter interpreter,
                                InterpreterStackTrace stackTrace)

Description copied from class: Expression

Interpret expression.

Specified by:

basicInterpret in class Expression

Returns:

result of interpretation