Module xl.compiler

Package 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, Serializable, 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

Fields

Modifier and Type	Field	Description
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$FIELD, MAX_RESOLUTION, MIME_TYPE, MIN_RESOLUTION, MIN_UNUSED_SPECIAL_OF_SOURCE, MIN_UNUSED_SPECIAL_OF_TARGET, name$FIELD, RESOLUTION_BIT, RESOLUTION_MASK, resolution$FIELD

Fields inherited from interface de.grogra.util.Map

DEFAULT_VALUE, EMPTY_MAP

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

Constructor Summary

Constructors

Constructor	Description
Comparison()

Method Summary

Modifier and Type	Method	Description
Expression	compile(Scope scope, Expression e1, Expression e2)
abstract int	getSupportedTypes()
final int	getSupportedTypes(int arg)
boolean	isConditional()
protected boolean	isNullOrBooleanConst(Expression e)
void	link(boolean checkTypes)
protected void	writeImpl(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, dupFrom, dupnew, dupUnmanagedFields, edgeChanged, fieldModified, findAdjacent, findRefinementType, 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, getIgnored, getIndex, getInstantiator, getInt, getLayer, getLong, getManageableType, getName, getNeighbor, getNext, getNType, getObject, getOrCreateEdgeTo, getOrNull, getPersistenceManager, getPredecessor, getProvider, getResolution, getShort, getSource, getStamp, getSuccessor, getSymbol, getSymbolColor, getTarget, getTransaction, getUserField, getUserFieldCount, getXClass, getXData, hasName, initProvider, initXClass, insertBranchNode, insertBranchNode, instantiateGraph, isAncestorOf, isDirection, isEncoarseOf, isManagingInstance, isMarked, isRoot, isSource, isTarget, manageableReadResolve, manageableWriteReplace, removeAll, removeEdgeBitsTo, removeFromChain, removeFromChain, removeReference, setBranch, setBranch, setExtentIndex, setGraphForDeserialization, setIgnored, setLayer, setMark, setName, setResolution, setSuccessor, setSuccessor, specialEdgeAdded, specialEdgeRefModified, specialEdgeRemoved, writeReplace

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

addEdgeBits, getBitMark, getEdgeBits, getEdgeKeys, 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 Details

expr1

protected Expression expr1

expr2

protected Expression expr2

ctype

protected int ctype

Constructor Details

Comparison

public Comparison()

Method Details

getSupportedTypes

public abstract int getSupportedTypes()

getSupportedTypes

public final int getSupportedTypes(int arg)

Overrides:

getSupportedTypes in class Expression

link

public void link(boolean checkTypes)

Overrides:

link in class Expression

compile

public Expression compile(Scope scope,
 Expression e1,
 Expression e2)

Overrides:

compile in class Expression

writeImpl

protected void writeImpl(BytecodeWriter writer,
 boolean discard)

Overrides:

writeImpl in class Expression

isConditional

public boolean isConditional()

Overrides:

isConditional in class Expression

isNullOrBooleanConst

protected boolean isNullOrBooleanConst(Expression e)