Package gw.internal.gosu.parser.expressions

Class BlockExpression

java.lang.Object

gw.internal.gosu.parser.ParsedElement

gw.internal.gosu.parser.Expression

gw.internal.gosu.parser.expressions.BlockExpression

All Implemented Interfaces:

IBlockExpression, IExpression, IHasType, IParsedElement

public final class BlockExpression
extends Expression
implements IBlockExpression

A block expression, representing an anonymous function/closure

See Also:

• IGosuParser

Field Summary

Fields

Modifier and Type	Field	Description
private List<ISymbol>	_args
private IParsedElement	_blockBody
private IBlockClassInternal	_blockClass
private IType	_blockReturnType
private Map<String,ICapturedSymbol>	_capturedSymbols
private StandardScope	_scope

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
BlockExpression()	Constructs an block expression.

Method Summary

Modifier and Type	Method	Description
void	addCapturedSymbol(ICapturedSymbol sym)
Object	evaluate()	Evaluates this Expression and returns the result.
List<ISymbol>	getArgs()
IBlockClass	getBlockGosuClass()
IType	getBlockReturnType()
IParsedElement	getBody()
ICapturedSymbol	getCapturedSymbol(String strName)
Map<String,ICapturedSymbol>	getCapturedSymbols()
String	getFunctionName()
IGosuClass	getGosuClass()
IScope	getScope()	The scope of the block, available only at compile time
IFunctionType	getType()	Returns this Expression's IType.
IFunctionType	getTypeImpl()
boolean	isWithinScope(ISymbol sym, ISymbolTable symbolTable)
void	setArgs(List<ISymbol> args)
void	setBlockGosuClass(IBlockClassInternal blockClass)
void	setBlockReturnType(IType blockReturnType)
void	setBody(IParsedElement blockBody)
void	setScope(StandardScope blockScope)	The scope of the block, available only at compile time
boolean	shouldClearParseInfo()
String	toString()	Subclasses should return a String representing the parsed expression.
void	updateGosuClass()

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, 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, 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.IParsedElement

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

_args

private List<ISymbol> _args

_blockBody

private IParsedElement _blockBody

_capturedSymbols

private Map<String,ICapturedSymbol> _capturedSymbols

_scope

private StandardScope _scope

_blockReturnType

private IType _blockReturnType

_blockClass

private IBlockClassInternal _blockClass

Constructor Details

BlockExpression

public BlockExpression()

Constructs an block expression.

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.

Specified by:

toString in class Expression

setArgs

public void setArgs(List<ISymbol> args)

setBody

public void setBody(IParsedElement blockBody)

getType

public IFunctionType getType()

Description copied from class: Expression

Returns this Expression's IType.

Specified by:

getType in interface IHasType

Overrides:

getType in class Expression

getTypeImpl

public IFunctionType getTypeImpl()

Overrides:

getTypeImpl in class Expression

getBlockReturnType

public IType getBlockReturnType()

setBlockReturnType

public void setBlockReturnType(IType blockReturnType)

getBody

public IParsedElement getBody()

Specified by:

getBody in interface IBlockExpression

getArgs

public List<ISymbol> getArgs()

Specified by:

getArgs in interface IBlockExpression

getCapturedSymbol

public ICapturedSymbol getCapturedSymbol(String strName)

Specified by:

getCapturedSymbol in interface IBlockExpression

addCapturedSymbol

public void addCapturedSymbol(ICapturedSymbol sym)

isWithinScope

public boolean isWithinScope(ISymbol sym,
 ISymbolTable symbolTable)

Specified by:

isWithinScope in interface IBlockExpression

getFunctionName

public String getFunctionName()

Specified by:

getFunctionName in interface IParsedElement

Overrides:

getFunctionName in class ParsedElement

setScope

public void setScope(StandardScope blockScope)

The scope of the block, available only at compile time

getScope

public IScope getScope()

The scope of the block, available only at compile time

Specified by:

getScope in interface IBlockExpression

shouldClearParseInfo

public boolean shouldClearParseInfo()

Overrides:

shouldClearParseInfo in class ParsedElement

setBlockGosuClass

public void setBlockGosuClass(IBlockClassInternal blockClass)

getBlockGosuClass

public IBlockClass getBlockGosuClass()

Specified by:

getBlockGosuClass in interface IBlockExpression

getGosuClass

public IGosuClass getGosuClass()

Specified by:

getGosuClass in interface IParsedElement

Overrides:

getGosuClass in class ParsedElement

getCapturedSymbols

public Map<String,ICapturedSymbol> getCapturedSymbols()

updateGosuClass

public void updateGosuClass()