Package gw.internal.gosu.parser.expressions

Class AdditiveExpression

java.lang.Object

gw.internal.gosu.parser.ParsedElement

gw.internal.gosu.parser.Expression

gw.internal.gosu.parser.expressions.ArithmeticExpression

gw.internal.gosu.parser.expressions.AdditiveExpression

All Implemented Interfaces:

IAdditiveExpression, IArithmeticExpression, IOverridableOperation, IExpression, IHasType, IParsedElement

public final class AdditiveExpression
extends ArithmeticExpression
implements IAdditiveExpression

Represents an additive expression in the Gosu grammar:

 additive-expression
   <multiplicative-expression>
   <additive-expression> + <multiplicative-expression>
   <additive-expression> - <multiplicative-expression>
 

See Also:

• IGosuParser

Field Summary

Fields inherited from class gw.internal.gosu.parser.expressions.ArithmeticExpression

_lhs, _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
AdditiveExpression()

Method Summary

Modifier and Type	Method	Description
Object	evaluate()	Evaluates this additive expression.
static Object	evaluate(IType type, Object lhsValue, Object rhsValue, IType lhsType, IType rhsType, boolean bAdditive, boolean bNullSafe, boolean bNumericType)
static Object	evaluate(IType type, Object lhsValue, Object rhsValue, IType lhsType, IType rhsType, boolean bAdditive, boolean bNullSafe, boolean bNumericType, Object ctx, int startLhs, int endLhs, int startRhs, int endRhs)
boolean	isAdditive()	Returns whether or not the operation is addition or substraction.
boolean	isAssignment()

Methods inherited from class gw.internal.gosu.parser.expressions.ArithmeticExpression

getLHS, getOperator, getOverride, getRHS, isCompileTimeConstant, isNullSafe, isUnchecked, setLHS, setOperator, setOverride, setRHS, toString

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

evaluate, getContextType, getReturnType, getType, getTypeImpl, 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, 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.expressions.IArithmeticExpression

getLHS, getOperator, getRHS

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.expressions.IOverridableOperation

getOverride, setOverride

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

Constructor Details

AdditiveExpression

public AdditiveExpression()

Method Details

isAdditive

public boolean isAdditive()

Returns whether or not the operation is addition or substraction.

Specified by:

isAdditive in interface IAdditiveExpression

Returns:

True if operation is addition.

isAssignment

public boolean isAssignment()

evaluate

public Object evaluate()

Evaluates this additive expression. Either performs numeric addition/subtraction or String concatination.

Specified by:

evaluate in interface IExpression

Overrides:

evaluate in class Expression

evaluate

public static Object evaluate(IType type,
 Object lhsValue,
 Object rhsValue,
 IType lhsType,
 IType rhsType,
 boolean bAdditive,
 boolean bNullSafe,
 boolean bNumericType,
 Object ctx,
 int startLhs,
 int endLhs,
 int startRhs,
 int endRhs)

evaluate

public static Object evaluate(IType type,
 Object lhsValue,
 Object rhsValue,
 IType lhsType,
 IType rhsType,
 boolean bAdditive,
 boolean bNullSafe,
 boolean bNumericType)