TypeIsExpression

java.lang.Object
- gw.internal.gosu.parser.ParsedElement
- - gw.internal.gosu.parser.Expression
  - - gw.internal.gosu.parser.expressions.TypeIsExpression

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

Field Summary

Fields
Modifier and Type Field Description

private Expression _lhs

private TypeLiteral _rhs
- 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

TypeIsExpression()
Base constructor sets type to BooleanType.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.Object`	`evaluate()`	Perform a type (or instanceof) comparison.
`Expression`	`getLHS()`
`TypeLiteral`	`getRHS()`
`void`	`setLHS(Expression e)`
`void`	`setRHS(TypeLiteral e)`
`java.lang.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

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

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, isUnchecked

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

- Field Detail
  - _lhs
```
private Expression _lhs
```
  - _rhs
```
private TypeLiteral _rhs
```
- Constructor Detail
  - TypeIsExpression
```
public TypeIsExpression()
```
    Base constructor sets type to BooleanType.
- Method Detail
  - getLHS
```
public Expression getLHS()
```
    Specified by:
    
    getLHS in interface ITypeIsExpression
    
    Returns:
    
    The expression for the left-hand-side operand.
  - setLHS
```
public void setLHS(Expression e)
```
    Parameters:
    
    e - The expression for the left-hand-side operand.
  - getRHS
```
public TypeLiteral getRHS()
```
    Specified by:
    
    getRHS in interface ITypeIsExpression
    
    Returns:
    
    The expression for the right-hand-side operand.
  - setRHS
```
public void setRHS(TypeLiteral e)
```
    Parameters:
    
    e - The expression for the right-hand-side operand.
  - evaluate
```
public java.lang.Object evaluate()
```
    Perform a type (or instanceof) comparison.
    
    Specified by:
    
    evaluate in interface IExpression
    
    Overrides:
    
    evaluate in class Expression
  - toString
```
public java.lang.String toString()
```
    Description copied from class: Expression
    
    Subclasses should return a String representing the parsed expression.
    
    Specified by:
    
    toString in class Expression