de.grogra.xl.expr
Class Comparison

java.lang.Object
  de.grogra.graph.impl.Edge
      de.grogra.graph.impl.Node
          de.grogra.xl.expr.Expression
              de.grogra.xl.expr.EvalExpression
                  de.grogra.xl.expr.Comparison

All Implemented Interfaces:

Manageable, PersistenceCapable, Shareable, TypeId, UserFields, XObject, Map, ExpressionFactory, ValueObserver, java.io.Serializable, java.lang.Cloneable

Direct Known Subclasses:

Equals, GE, GT, LE, LT, NotEquals

public abstract class Comparison
extends EvalExpression

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class de.grogra.graph.impl.Node

Node.AccessorBridge, Node.FieldAttributeAccessor, Node.NType

Nested classes/interfaces inherited from interface de.grogra.util.Map

Map.Chain

Field Summary

protected int	ctype
protected Expression	expr1
protected Expression	expr2

Fields inherited from class de.grogra.xl.expr.Expression

$TYPE, aval, aval$FIELD, dval, dval$FIELD, etype, EXPR_0, I18N, lval, lval$FIELD, USED_BITS, VALID, valid$FIELD

Fields inherited from class de.grogra.graph.impl.Node

ADDITIONAL_FIELDS, bits, DELETED, EXTENT_BIT, EXTENT_MASK, extentIndex$FIELD, extentTail$FIELD, HAS_OBSERVERS, IS_INTERPRETIVE, isInterpretive$FIELD, LAST_EXTENT_INDEX, layer$FIELD, MARK, mark$FIELD, MIME_TYPE, MIN_UNUSED_SPECIAL_OF_SOURCE, MIN_UNUSED_SPECIAL_OF_TARGET, name$FIELD

Fields inherited from interface de.grogra.reflect.TypeId

A_VALUE, ABSTRACT_PRIMITIVE, BOOLEAN, BOOLEAN_MASK, BYTE, BYTE_MASK, CHAR, CHAR_MASK, D_VALUE, DOUBLE, DOUBLE_MASK, F_VALUE, FLOAT, FLOAT_MASK, FLOATING_POINT_MASK, I_VALUE, INT, INT_ASSIGNABLE, INT_MASK, INTEGRAL_MASK, L_VALUE, LONG, LONG_MASK, MAX_PRIMITIVE, MIN_PRIMITIVE, NUMERIC_MASK, NUMERIC_NONCHAR_MASK, OBJECT, OBJECT_MASK, PRIMITIVE_MASK, SHORT, SHORT_MASK, TYPE_COUNT, VOID, VOID_MASK

Fields inherited from interface de.grogra.util.Map

DEFAULT_VALUE, EMPTY_MAP

Constructor Summary

Comparison()

Method Summary

Expression	compile(de.grogra.xl.compiler.scope.Scope scope, Expression e1, Expression e2)
abstract int	getSupportedTypes()
int	getSupportedTypes(int arg)
boolean	isConditional()
protected boolean	isNullOrBooleanConst(Expression e)
void	link(boolean checkTypes)
protected void	writeImpl(de.grogra.xl.compiler.BytecodeWriter writer, boolean discard)

Methods inherited from class de.grogra.xl.expr.Expression

add, allowsIteration, cast, checkExpressionCount, checkSetType, clone, compile, createConst, createExpression, createMaxConst, createMinConst, discards, evaluateAsObject, evaluateAsVoid, evaluateBoolean, evaluateBoolean, evaluateBooleanImpl, evaluateByte, evaluateByte, evaluateByteImpl, evaluateChar, evaluateChar, evaluateCharImpl, evaluateDouble, evaluateDouble, evaluateDoubleImpl, evaluateFloat, evaluateFloat, evaluateFloatImpl, evaluateInt, evaluateInt, evaluateIntImpl, evaluateLong, evaluateLong, evaluateLongImpl, evaluateObject, evaluateObject, evaluateObjectImpl, evaluateRet, evaluateShort, evaluateShort, evaluateShortImpl, evaluatesWithoutSideeffect, evaluateVoidImpl, fireValueChanged, getExpression, getExpression, getExpression, getExpressionCount, getFirstExpression, getLastExpression, getLeastCommonAncestor, getNextExpression, getNTypeImpl, getObjectExpression, getObjectExpression, getPromotedType, getType, getTypeLoader, hasType, hasType, implicitConversion, isPrimitiveOrStringConstant, isRequired, linkGraph, needsEmptyOperandStackForFinally, newInstance, opcode, opcode, paramString, promote, push, receiveChildren, setNextSibling, setType, substitute, toConst, toConstImpl, toString, unboxingConversion, unlinkTree, valueChanged, write, writeChildren, writeConditional, writeConditional, writeFinally, writeOperator

Methods inherited from class de.grogra.graph.impl.Node

addEdgeBitsTo, addReference, appendBranchNode, appendBranchNode, appendReferencesTo, clone, cloneGraph, dump, dumpTree, dup, dupUnmanagedFields, edgeChanged, fieldModified, findAdjacent, get, getAccessor, getAccessor, getAttributes, getAxisParent, getBoolean, getBranch, getBranchLength, getBranchNode, getBranchTail, getByte, getChar, getCommonAncestor, getCurrentGraphState, getDirectChildCount, getDouble, getEdgeAttributeAccessor, getEdgeAttributes, getEdgeBitsTo, getEdgeTo, getExtentIndex, getFirst, getFirstEdge, getFloat, getGraph, getId, getIndex, getInstantiator, getInt, getLayer, getLong, getManageableType, getName, getNeighbor, getNext, getNType, getObject, getOrCreateEdgeTo, getOrNull, getPersistenceManager, getPredecessor, getProvider, getShort, getSource, getStamp, getSuccessor, getSymbol, getSymbolColor, getTarget, getTransaction, getUserField, getUserFieldCount, getXClass, getXData, hasName, initProvider, initXClass, insertBranchNode, insertBranchNode, instantiateGraph, isAncestorOf, isDirection, isManagingInstance, isMarked, isRoot, isSource, isTarget, manageableReadResolve, manageableWriteReplace, removeAll, removeEdgeBitsTo, removeFromChain, removeFromChain, removeReference, setBranch, setBranch, setExtentIndex, setGraphForDeserialization, setLayer, setMark, setName, setSuccessor, setSuccessor, specialEdgeAdded, specialEdgeRefModified, specialEdgeRemoved, writeReplace

Methods inherited from class de.grogra.graph.impl.Edge

addEdgeBits, getBitMark, getEdgeBits, getObjectMark, getSpecialEdgeDescriptor, parseEdgeKeys, remove, removeEdgeBits, setBitMark, setEdgeBits, setObjectMark, testEdgeBits

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface de.grogra.persistence.PersistenceCapable

getBitMark, getObjectMark, setBitMark, setObjectMark

Field Detail

ctype

protected int ctype

expr1

protected Expression expr1

expr2

protected Expression expr2

Constructor Detail

Comparison

public Comparison()

Method Detail

compile

public Expression compile(de.grogra.xl.compiler.scope.Scope scope,
                          Expression e1,
                          Expression e2)

Overrides:

compile in class Expression

getSupportedTypes

public abstract int getSupportedTypes()

getSupportedTypes

public final int getSupportedTypes(int arg)

Overrides:

getSupportedTypes in class Expression

isConditional

public boolean isConditional()

Overrides:

isConditional in class Expression

isNullOrBooleanConst

protected boolean isNullOrBooleanConst(Expression e)

link

public void link(boolean checkTypes)

Overrides:

link in class Expression

writeImpl

protected void writeImpl(de.grogra.xl.compiler.BytecodeWriter writer,
                         boolean discard)

Overrides:

writeImpl in class Expression