Package gw.internal.gosu.parser.statements

Class VarStatement

java.lang.Object

gw.internal.gosu.parser.ParsedElement

gw.internal.gosu.parser.Statement

gw.internal.gosu.parser.statements.VarStatement

All Implemented Interfaces:

IVarStatement, IHasType, IParsedElement, IParsedElementWithAtLeastOneDeclaration, IStatement

Direct Known Subclasses:

DelegateStatement

public class VarStatement
extends Statement
implements IVarStatement

Represents a var statement as specified in the Gosu grammar:

 var-statement
   var <identifier> [scope-attribute] [ : <type-expression> ] = <expression>
   var <identifier> [scope-attribute] : <type-expression> [ = <expression> ]
 

See Also:

• IGosuParser

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	_bDefinitionParsed
private boolean	_bIsInitializedTopLevelProgVar
private List<IGosuAnnotation>	_declAnnotations
private DynamicPropertySymbol	_dps
protected Expression	_expression
protected boolean	_hasProperty
private int	_iNameOffset
private int	_iPropertyNameOffset
protected ModifierInfo	_modifiers
private IScriptPartId	_scriptPartId
private String	_strPropertyName
private ISymbol	_symbol
protected TypeLiteral	_typeLiteral

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

VOID_RETURN_VALUE

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

_tokens, UNDEF_FILE, UNDEF_FUNCTION, UNDEF_MODULE

Constructor Summary

Constructors

Constructor	Description
VarStatement()

Method Summary

Modifier and Type	Method	Description
void	clearDefn()
boolean	declares(String identifierName)
private void	detachDeclTypeLiteral()
Object	execute()	Executes the Var statement.
List<IGosuAnnotation>	getAnnotations()
Expression	getAsExpression()
List<IGosuAnnotation>	getDeclAnnotations()
String[]	getDeclarations()
String	getFullDescription()
String	getFunctionName()
boolean	getHasInitializer()
String	getIdentifierName()
protected ITerminalStatement	getLeastSignificantTerminalStatement_internal(boolean[] bAbsolute)
ModifierInfo	getModifierInfo()
int	getModifiers()
int	getNameOffset(String identifierName)	The offset of the token representing the name for the declaration
DynamicPropertySymbol	getProperty()
String	getPropertyName()
int	getPropertyNameOffset()
IScriptPartId	getScriptPart()
ISymbol	getSymbol()
IType	getType()
TypeLiteral	getTypeLiteral()
boolean	hasProperty()
boolean	isAbstract()
boolean	isDefinitionParsed()
boolean	isEnumConstant()
boolean	isFieldDeclaration()
boolean	isFinal()
boolean	isImplicitlyUsed()
boolean	isInternal()
boolean	isPrivate()
boolean	isProtected()
boolean	isPublic()
boolean	isStatic()
boolean	isTransient()
void	setAsExpression(Expression expression)
void	setDeclAnnotations(List<IGosuAnnotation> declAnnotations)
void	setDefinitionParsed(boolean bParsed)
void	setEnumConstant(boolean bEnumConstant)
void	setFinal(boolean bFinal)
void	setHasProperty(boolean hasProperty)
void	setInternal(boolean bInternal)
void	setIsInitializedTopLevelProgVar()
void	setModifierInfo(ModifierInfo modifiers)
void	setNameOffset(int iOffset, String identifierName)
void	setPrivate(boolean bPrivate)
void	setProperty(DynamicPropertySymbol dps)
void	setPropertyName(String strPropertyName)
void	setProtected(boolean bProtected)
void	setPublic(boolean bPublic)
void	setScriptPart(IScriptPartId partId)
void	setStatic(boolean bStatic)
void	setSymbol(ISymbol symbol)
void	setType(IType newType)
void	setTypeLiteral(TypeLiteral typeLiteral)
String	toString()	Subclasses should return a String representing the parsed statement.

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

execute, getExcludedReturnTypeElements, getLeastSignificant, getLeastSignificantTerminalStatement, getReturnType, hasContent, isNoOp, setParent

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, getColumn, getContainedParsedElementsByType, getContainedParsedElementsByTypes, getContainedParsedElementsByTypesWithIgnoreSet, getEnclosingFeatureInfo, 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, 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.IParsedElement

addExceptionsFrom, addParseException, addParseException, addParseWarning, addParseWarning, clearParseExceptions, clearParseTreeInformation, clearParseWarnings, findAncestorParsedElementByType, findDeclaringStatement, findRootParsedElement, getColumn, getContainedParsedElementsByType, getContainedParsedElementsByTypes, getContainedParsedElementsByTypesWithIgnoreSet, 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

Methods inherited from interface gw.lang.parser.IStatement

execute, getLeastSignificantTerminalStatement, hasContent

Field Details

_strPropertyName

private String _strPropertyName

_expression

protected Expression _expression

_typeLiteral

protected TypeLiteral _typeLiteral

_hasProperty

protected boolean _hasProperty

_modifiers

protected ModifierInfo _modifiers

_declAnnotations

private List<IGosuAnnotation> _declAnnotations

_symbol

private ISymbol _symbol

_scriptPartId

private IScriptPartId _scriptPartId

_iNameOffset

private int _iNameOffset

_iPropertyNameOffset

private int _iPropertyNameOffset

_bDefinitionParsed

private boolean _bDefinitionParsed

_bIsInitializedTopLevelProgVar

private boolean _bIsInitializedTopLevelProgVar

_dps

private DynamicPropertySymbol _dps

Constructor Details

VarStatement

public VarStatement()

Method Details

getIdentifierName

public String getIdentifierName()

Specified by:

getIdentifierName in interface IVarStatement

getSymbol

public ISymbol getSymbol()

Specified by:

getSymbol in interface IVarStatement

setSymbol

public void setSymbol(ISymbol symbol)

Specified by:

setSymbol in interface IVarStatement

getPropertyName

public String getPropertyName()

Specified by:

getPropertyName in interface IVarStatement

setPropertyName

public void setPropertyName(String strPropertyName)

getTypeLiteral

public TypeLiteral getTypeLiteral()

Specified by:

getTypeLiteral in interface IVarStatement

setTypeLiteral

public void setTypeLiteral(TypeLiteral typeLiteral)

detachDeclTypeLiteral

private void detachDeclTypeLiteral()

getAsExpression

public Expression getAsExpression()

Specified by:

getAsExpression in interface IVarStatement

setAsExpression

public void setAsExpression(Expression expression)

setType

public void setType(IType newType)

hasProperty

public boolean hasProperty()

Specified by:

hasProperty in interface IVarStatement

setHasProperty

public void setHasProperty(boolean hasProperty)

getModifierInfo

public ModifierInfo getModifierInfo()

Specified by:

getModifierInfo in interface IVarStatement

setModifierInfo

public void setModifierInfo(ModifierInfo modifiers)

getDeclAnnotations

public List<IGosuAnnotation> getDeclAnnotations()

setDeclAnnotations

public void setDeclAnnotations(List<IGosuAnnotation> declAnnotations)

getModifiers

public int getModifiers()

Specified by:

getModifiers in interface IVarStatement

isStatic

public boolean isStatic()

Specified by:

isStatic in interface IVarStatement

setStatic

public void setStatic(boolean bStatic)

isPrivate

public boolean isPrivate()

Specified by:

isPrivate in interface IVarStatement

setPrivate

public void setPrivate(boolean bPrivate)

isInternal

public boolean isInternal()

Specified by:

isInternal in interface IVarStatement

setInternal

public void setInternal(boolean bInternal)

isProtected

public boolean isProtected()

Specified by:

isProtected in interface IVarStatement

setProtected

public void setProtected(boolean bProtected)

isPublic

public boolean isPublic()

Specified by:

isPublic in interface IVarStatement

setPublic

public void setPublic(boolean bPublic)

isFinal

public boolean isFinal()

Specified by:

isFinal in interface IVarStatement

setFinal

public void setFinal(boolean bFinal)

isAbstract

public boolean isAbstract()

Specified by:

isAbstract in interface IVarStatement

isEnumConstant

public boolean isEnumConstant()

Specified by:

isEnumConstant in interface IVarStatement

setEnumConstant

public void setEnumConstant(boolean bEnumConstant)

isTransient

public boolean isTransient()

getType

public IType getType()

Specified by:

getType in interface IHasType

Specified by:

getType in interface IVarStatement

setScriptPart

public void setScriptPart(IScriptPartId partId)

getScriptPart

public IScriptPartId getScriptPart()

Specified by:

getScriptPart in interface IVarStatement

execute

public Object execute()

Executes the Var statement. The algorithm for the execution follows:

1. Evaluate the ValueExpression (if one exists).
2. Create and map a symbol for the Identifier with type reflecting the ValueExpression's type.
3. If a TypeLiteral is specified, set the Identifier's type accordingly.

Specified by:

execute in interface IStatement

Overrides:

execute in class Statement

getLeastSignificantTerminalStatement_internal

protected ITerminalStatement getLeastSignificantTerminalStatement_internal(boolean[] bAbsolute)

Specified by:

getLeastSignificantTerminalStatement_internal in class Statement

toString

public String toString()

Description copied from class: Statement

Subclasses should return a String representing the parsed statement.

Specified by:

toString in class Statement

getFunctionName

public String getFunctionName()

Specified by:

getFunctionName in interface IParsedElement

Overrides:

getFunctionName in class ParsedElement

getNameOffset

public int getNameOffset(String identifierName)

Description copied from interface: IParsedElementWithAtLeastOneDeclaration

The offset of the token representing the name for the declaration

Specified by:

getNameOffset in interface IParsedElementWithAtLeastOneDeclaration

setNameOffset

public void setNameOffset(int iOffset,
 String identifierName)

Specified by:

setNameOffset in interface IParsedElementWithAtLeastOneDeclaration

declares

public boolean declares(String identifierName)

Specified by:

declares in interface IParsedElementWithAtLeastOneDeclaration

Returns:

True if this statement declares the given identifier; false otherwise

getDeclarations

public String[] getDeclarations()

Specified by:

getDeclarations in interface IParsedElementWithAtLeastOneDeclaration

Returns:

all names declared by this element

getAnnotations

public List<IGosuAnnotation> getAnnotations()

Overrides:

getAnnotations in class ParsedElement

getFullDescription

public String getFullDescription()

Specified by:

getFullDescription in interface IVarStatement

clearDefn

public void clearDefn()

isDefinitionParsed

public boolean isDefinitionParsed()

setDefinitionParsed

public void setDefinitionParsed(boolean bParsed)

getHasInitializer

public boolean getHasInitializer()

Specified by:

getHasInitializer in interface IVarStatement

isImplicitlyUsed

public boolean isImplicitlyUsed()

getPropertyNameOffset

public int getPropertyNameOffset()

Specified by:

getPropertyNameOffset in interface IVarStatement

isFieldDeclaration

public boolean isFieldDeclaration()

Specified by:

isFieldDeclaration in interface IVarStatement

setIsInitializedTopLevelProgVar

public void setIsInitializedTopLevelProgVar()

getProperty

public DynamicPropertySymbol getProperty()

Specified by:

getProperty in interface IVarStatement

setProperty

public void setProperty(DynamicPropertySymbol dps)