Package gw.internal.gosu.parser.expressions

Class IdentityExpression

java.lang.Object

gw.internal.gosu.parser.ParsedElement

gw.internal.gosu.parser.Expression

gw.internal.gosu.parser.expressions.BinaryExpression

gw.internal.gosu.parser.expressions.ConditionalExpression

gw.internal.gosu.parser.expressions.IdentityExpression

All Implemented Interfaces:

IBinaryExpression, IConditionalExpression, IIdentityExpression, IOverridableOperation, IExpression, IHasType, IParsedElement

public class IdentityExpression
extends ConditionalExpression
implements IIdentityExpression

Represents an identity expression in the Gosu grammar:

 identity-expression
   <relational-expression>
   <identity-expression> === <relational-expression>
   <identity-expression> !== <relational-expression>
 

See Also:

• IGosuParser

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	_bEquals

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
IdentityExpression()

Method Summary

Modifier and Type	Method	Description
Object	evaluate()	Evaluates this Expression and returns the result.
boolean	isEquals()
void	setEquals(boolean bEquals)
String	toString()	Subclasses should return a String representing the parsed expression.

Methods inherited from class gw.internal.gosu.parser.expressions.ConditionalExpression

compareNumbers, getOverride, getType, getTypeImpl, isCompileTimeConstant, setOverride

Methods inherited from class gw.internal.gosu.parser.expressions.BinaryExpression

getLHS, getOperator, getRHS, setLHS, setOperator, setRHS

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

evaluate, getContextType, getReturnType, isNullSafe, isUnchecked, 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.expressions.IConditionalExpression

getLHS, getRHS

Methods inherited from interface gw.lang.parser.IExpression

evaluate, getContextType, isNullSafe, isUnchecked

Methods inherited from interface gw.lang.parser.IHasType

getType

Methods inherited from interface gw.lang.parser.expressions.IOverridableOperation

getOverride, setOverride

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, isCompileTimeConstant, isSuppressed, isSynthetic, setLocation, setParent, visit

Field Details

_bEquals

private boolean _bEquals

Constructor Details

IdentityExpression

public IdentityExpression()

Method Details

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

toString

public String toString()

Description copied from class: Expression

Subclasses should return a String representing the parsed expression.

Overrides:

toString in class BinaryExpression

isEquals

public boolean isEquals()

Specified by:

isEquals in interface IIdentityExpression

setEquals

public void setEquals(boolean bEquals)