Package gw.internal.gosu.parser.expressions

Class UnaryExpression

java.lang.Object

gw.internal.gosu.parser.ParsedElement

gw.internal.gosu.parser.Expression

gw.internal.gosu.parser.expressions.UnaryExpression

All Implemented Interfaces:

IUnaryExpression, IExpression, IHasType, IParsedElement

public final class UnaryExpression
extends Expression
implements IUnaryExpression

Represents a unary expression as defined in the Gosu grammar.

See Also:

• IGosuParser

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	_bNegated
protected boolean	_bUnchecked
protected Expression	_expression

Fields inherited from class gw.internal.gosu.parser.Expression

_type

Fields inherited from class gw.internal.gosu.parser.ParsedElement

_tokens, UNDEF_FILE, UNDEF_FUNCTION, UNDEF_MODULE

Fields inherited from interface gw.lang.parser.IExpression

EMPTY_ARRAY

Constructor Summary

Constructors

Constructor	Description
UnaryExpression()

Method Summary

Modifier and Type	Method	Description
Object	evaluate()	Evaluates this Expression and returns the result.
Expression	getExpression()
boolean	isCompileTimeConstant()
boolean	isNegated()
boolean	isSupportedType(IType type)
boolean	isUnchecked()
void	setExpression(Expression e)
void	setNegated(boolean bNegated)
void	setUnchecked(boolean flag)
String	toString()	Subclasses should return a String representing the parsed expression.

Methods inherited from class gw.internal.gosu.parser.Expression

evaluate, getContextType, getReturnType, getType, getTypeImpl, isNullSafe, setType

Methods inherited from class gw.internal.gosu.parser.ParsedElement

addExceptionsFrom, addParseException, addParseException, addParseException, addParseExceptions, addParseIssues, addParseWarning, addParseWarning, addParseWarnings, addToken, adjustColumn, adjustLineNum, assignTokens, clearParseExceptions, clearParseTreeInformation, clearParseWarnings, compactParseTree, findAncestorParsedElementByType, findDeclaringStatement, findLineNumberOfDeclaration, findRootParsedElement, getAnnotations, getColumn, getContainedParsedElementsByType, getContainedParsedElementsByTypes, getContainedParsedElementsByTypesWithIgnoreSet, getEnclosingFeatureInfo, getFunctionName, getGosuClass, getGosuProgram, getImmediateParseIssue, getImmediateParseIssues, getLineNum, getLocation, getModule, getParent, getParseExceptions, getParseIssues, getParseWarnings, getQualifyingEnclosingTypeInfo, getTokens, hasImmediateParseIssue, hasImmediateParseWarning, hasImmediateParseWarnings, hasParseException, hasParseExceptions, hasParseIssue, hasParseIssues, hasParseWarning, hasParseWarnings, initEmptyParseTree, initLocation, isSuppressed, isSuppressed, isSynthetic, makeDoubleValue, makeFloatValue, makeInteger, makeLong, removeParseException, removeParseWarning, removeParseWarningRecursively, setGosuProgram, setLineNum, setLocation, setParent, setSynthetic, shouldClearParseInfo, visit

Methods inherited from class java.lang.Object

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

Methods inherited from interface gw.lang.parser.IExpression

evaluate, getContextType, isNullSafe

Methods inherited from interface gw.lang.parser.IHasType

getType

Methods inherited from interface gw.lang.parser.IParsedElement

addExceptionsFrom, addParseException, addParseException, addParseWarning, addParseWarning, clearParseExceptions, clearParseTreeInformation, clearParseWarnings, findAncestorParsedElementByType, findDeclaringStatement, findRootParsedElement, getColumn, getContainedParsedElementsByType, getContainedParsedElementsByTypes, getContainedParsedElementsByTypesWithIgnoreSet, getFunctionName, getGosuClass, getGosuProgram, getImmediateParseIssue, getImmediateParseIssues, getLineNum, getLocation, getModule, getParent, getParseExceptions, getParseIssues, getParseWarnings, getReturnType, getTokens, hasImmediateParseIssue, hasImmediateParseWarnings, hasParseException, hasParseExceptions, hasParseIssue, hasParseIssues, hasParseWarning, hasParseWarnings, isSuppressed, isSynthetic, setLocation, setParent, visit

Field Details

_bNegated

protected boolean _bNegated

_bUnchecked

protected boolean _bUnchecked

_expression

protected Expression _expression

Constructor Details

UnaryExpression

public UnaryExpression()

Method Details

isNegated

public boolean isNegated()

Specified by:

isNegated in interface IUnaryExpression

setNegated

public void setNegated(boolean bNegated)

getExpression

public Expression getExpression()

Specified by:

getExpression in interface IUnaryExpression

setExpression

public void setExpression(Expression e)

setUnchecked

public void setUnchecked(boolean flag)

isUnchecked

public boolean isUnchecked()

Specified by:

isUnchecked in interface IExpression

Overrides:

isUnchecked in class Expression

isCompileTimeConstant

public boolean isCompileTimeConstant()

Specified by:

isCompileTimeConstant in interface IParsedElement

Overrides:

isCompileTimeConstant in class ParsedElement

evaluate

public Object evaluate()

Description copied from interface: IExpression

Evaluates this Expression and returns the result.

Specified by:

evaluate in interface IExpression

Overrides:

evaluate in class Expression

isSupportedType

public boolean isSupportedType(IType type)

toString

public String toString()

Description copied from class: Expression

Subclasses should return a String representing the parsed expression.

Specified by:

toString in class Expression