com.whitestein.lsps.lang.ast

Class IncDecExpression

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.IncDecExpression

All Implemented Interfaces:

ASTInfo, ASTNode, ASTRange

public final class IncDecExpression
extends Expression

Increment or decrement expression.

Author:

mvo

Field Summary

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

EMPTY

Constructor Summary

Constructors

Constructor and Description
IncDecExpression(ASTInfo info, AssignableExpression expression, boolean increment, boolean postfix) Creates a new expression object.

Method Summary

Modifier and Type	Method and Description
<T,E extends java.lang.Throwable> T	accept(ExpressionVisitor<T,E> visitor) Accepts visitor.
protected java.lang.Object	basicInterpret(Interpreter interpreter, InterpreterStackTrace stackTrace) Interpret expression.
AssignableExpression	getExpression() Returns the inner expression.
boolean	isIncrement() Returns true if this is increment operation, false if decrement.
boolean	isPostfix() Returns true if this is postfix operation (i.e.

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

createANTLRParser, doInterpret, evalCondition, evaluateToExpressions, executeCompiled, getCompiled, getDebugLine, getIdentifierAst, getParseTimeConstant, getPrimaryRange, getPropertySelectorRange, getRange, getResultExpression, getResultExpressions, getType, 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

IncDecExpression

public IncDecExpression(ASTInfo info,
                        AssignableExpression expression,
                        boolean increment,
                        boolean postfix)

Creates a new expression object.

Parameters:

info -

expression -

increment -

postfix -

Method Detail

getExpression

public AssignableExpression getExpression()

Returns the inner expression.

Returns:

the inner expression

isIncrement

public boolean isIncrement()

Returns true if this is increment operation, false if decrement.

Returns:

true if this is increment operation, false if decrement

isPostfix

public boolean isPostfix()

Returns true if this is postfix operation (i.e. a++), false if this is prefix operation (i.e. ++a).

Returns:

true if this is postfix operation

accept

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

Description copied from class: Expression

Accepts visitor.

Specified by:

accept in class Expression

Returns:

the result of visit

Throws:

E

E extends java.lang.Throwable

basicInterpret

protected java.lang.Object basicInterpret(Interpreter interpreter,
                                          InterpreterStackTrace stackTrace)
                                   throws ErrorException

Description copied from class: Expression

Interpret expression.

Specified by:

basicInterpret in class Expression

Returns:

result of interpretation

Throws:

ErrorException