Package gw.internal.gosu.parser.expressions

Class EvalExpression

java.lang.Object

gw.internal.gosu.parser.ParsedElement

gw.internal.gosu.parser.Expression

gw.internal.gosu.parser.expressions.EvalExpression

All Implemented Interfaces:

IEvalExpression, IExpression, IHasType, IParsedElement

public final class EvalExpression
extends Expression
implements IEvalExpression

The 'eval' operator as an expression:

 eval-expression
   eval ( <expression> )
 

See Also:

• IGosuParser

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	EvalExpression.ProgramCache

Field Summary

Fields

Modifier and Type	Field	Description
private Map<String,IGosuProgramInternal>	_cacheProgramByFingerprint
private List<ICapturedSymbol>	_capturedForBytecode
private Map<String,ITypeVariableDefinition>	_capturedTypeVars
private Expression	_expression
private int	_refreshChecksum
private ITypeUsesMap	_typeUsesMap

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
EvalExpression(ITypeUsesMap typeUsesMap)	Constructs an 'eval' expression.

Method Summary

Modifier and Type	Method	Description
void	cacheProgram(String strTypeName, IGosuProgramInternal gsClass)
private void	clearCacheOnChecksumChange()
Object	evaluate()	Evaluates/executes the Gosu in the expression.
IGosuProgramInternal	getCachedProgram(String strTypeName)
List<ICapturedSymbol>	getCapturedForBytecode()
Map<String,ITypeVariableDefinition>	getCapturedTypeVars()
Expression	getExpression()
ITypeUsesMap	getTypeUsesMap()
void	setCapturedSymbolsForBytecode(List<ICapturedSymbol> captured)
void	setCapturedTypeVars(Map<String,ITypeVariableDefinition> typeVariables)
void	setExpression(Expression expression)	The string expression containing Gosu code to evaluate/execute.
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 Details

_typeUsesMap

private ITypeUsesMap _typeUsesMap

_expression

private Expression _expression

_capturedForBytecode

private List<ICapturedSymbol> _capturedForBytecode

_capturedTypeVars

private Map<String,ITypeVariableDefinition> _capturedTypeVars

_cacheProgramByFingerprint

private Map<String,IGosuProgramInternal> _cacheProgramByFingerprint

_refreshChecksum

private int _refreshChecksum

Constructor Details

EvalExpression

public EvalExpression(ITypeUsesMap typeUsesMap)

Constructs an 'eval' expression.

Method Details

setCapturedSymbolsForBytecode

public void setCapturedSymbolsForBytecode(List<ICapturedSymbol> captured)

getCapturedForBytecode

public List<ICapturedSymbol> getCapturedForBytecode()

cacheProgram

public void cacheProgram(String strTypeName,
 IGosuProgramInternal gsClass)

getCachedProgram

public IGosuProgramInternal getCachedProgram(String strTypeName)

clearCacheOnChecksumChange

private void clearCacheOnChecksumChange()

getTypeUsesMap

public ITypeUsesMap getTypeUsesMap()

setExpression

public void setExpression(Expression expression)

The string expression containing Gosu code to evaluate/execute.

getExpression

public Expression getExpression()

Specified by:

getExpression in interface IEvalExpression

evaluate

public Object evaluate()

Evaluates/executes the Gosu in the expression.

Specified by:

evaluate in interface IExpression

Overrides:

evaluate in class Expression

Returns:

The value of an expression or the return value of a program.

toString

public String toString()

Description copied from class: Expression

Subclasses should return a String representing the parsed expression.

Specified by:

toString in class Expression

setCapturedTypeVars

public void setCapturedTypeVars(Map<String,ITypeVariableDefinition> typeVariables)

getCapturedTypeVars

public Map<String,ITypeVariableDefinition> getCapturedTypeVars()