Class TypeIsExpression
- java.lang.Object
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- gw.internal.gosu.parser.ParsedElement
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- gw.internal.gosu.parser.Expression
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- gw.internal.gosu.parser.expressions.TypeIsExpression
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- All Implemented Interfaces:
ITypeIsExpression
,IExpression
,IHasType
,IParsedElement
public final class TypeIsExpression extends Expression implements ITypeIsExpression
Represents a typeis expression in the Gosu grammar:typeis-expression <conditional-or-expression> typeis <type-literal>
- See Also:
IGosuParser
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Field Summary
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Fields inherited from class gw.internal.gosu.parser.Expression
_type
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Fields inherited from class gw.internal.gosu.parser.ParsedElement
_tokens, UNDEF_FILE, UNDEF_FUNCTION, UNDEF_MODULE
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Fields inherited from interface gw.lang.parser.IExpression
EMPTY_ARRAY
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Constructor Summary
Constructors Constructor Description TypeIsExpression()
Base constructor sets type to BooleanType.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Object
evaluate()
Perform a type (or instanceof) comparison.Expression
getLHS()
TypeLiteral
getRHS()
void
setLHS(Expression e)
void
setRHS(TypeLiteral e)
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, isUnchecked, setType
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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, isCompileTimeConstant, isSuppressed, isSuppressed, isSynthetic, makeDoubleValue, makeFloatValue, makeInteger, makeLong, removeParseException, removeParseWarning, removeParseWarningRecursively, setGosuProgram, setLineNum, setLocation, setParent, setSynthetic, shouldClearParseInfo, visit
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface gw.lang.parser.IExpression
evaluate, getContextType, isNullSafe, isUnchecked
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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
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Method Detail
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getLHS
public Expression getLHS()
- Specified by:
getLHS
in interfaceITypeIsExpression
- Returns:
- The expression for the left-hand-side operand.
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setLHS
public void setLHS(Expression e)
- Parameters:
e
- The expression for the left-hand-side operand.
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getRHS
public TypeLiteral getRHS()
- Specified by:
getRHS
in interfaceITypeIsExpression
- Returns:
- The expression for the right-hand-side operand.
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setRHS
public void setRHS(TypeLiteral e)
- Parameters:
e
- The expression for the right-hand-side operand.
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evaluate
public Object evaluate()
Perform a type (or instanceof) comparison.- Specified by:
evaluate
in interfaceIExpression
- Overrides:
evaluate
in classExpression
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toString
public String toString()
Description copied from class:Expression
Subclasses should return a String representing the parsed expression.- Specified by:
toString
in classExpression
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