JML

org.jmlspecs.jmlrac
Class TransOldExpression

java.lang.Object
  extended byorg.multijava.util.Utils
      extended byorg.jmlspecs.checker.JmlAbstractVisitor
          extended byorg.jmlspecs.jmlrac.RacAbstractVisitor
              extended byorg.jmlspecs.jmlrac.AbstractExpressionTranslator
                  extended byorg.jmlspecs.jmlrac.TransExpression
                      extended byorg.jmlspecs.jmlrac.TransOldExpression
All Implemented Interfaces:
Cloneable, Constants, Constants, Constants, JmlVisitor, MjcVisitor, RacConstants, RacVisitor

public class TransOldExpression
extends TransExpression

A RAC visitor class for transforming JML old expressions into Java code. The generated code is a sequence of Java statements that evaluate and store the result in the given variable. The result variable is assumed to be declared in the outer scope that incorporates the code. See TransExpression for more explanation.

Version:
$Revision: 1.6 $
Author:
Yoonsik Cheon

Nested Class Summary
 
Nested classes inherited from class org.jmlspecs.jmlrac.TransExpression
TransExpression.DiagTerm
 
Field Summary
 
Fields inherited from class org.jmlspecs.jmlrac.TransExpression
context, expression, paramStack, resultStack, resultVar, typeDecl, varGen
 
Fields inherited from class org.multijava.util.Utils
DBG_LEVEL_HIGH, DBG_LEVEL_LOW, DBG_LEVEL_NO
 
Fields inherited from interface org.jmlspecs.checker.Constants
ACC2_RAC_METHOD, ACC_CODE, ACC_CODE_BIGINT_MATH, ACC_CODE_JAVA_MATH, ACC_CODE_SAFE_MATH, ACC_GHOST, ACC_HELPER, ACC_INSTANCE, ACC_MODEL, ACC_MONITORED, ACC_QUERY, ACC_SECRET, ACC_SPEC_BIGINT_MATH, ACC_SPEC_JAVA_MATH, ACC_SPEC_PROTECTED, ACC_SPEC_PUBLIC, ACC_SPEC_SAFE_MATH, ACC_UNINITIALIZED, ACCESS_FLAG_ARRAY, ACCESS_FLAG_NAMES, AMID_BIGINT_MATH, EVERYTHING, JML_JMLObjectSet, NOT_SPECIFIED, NOTHING, OPE_BACKWARD_IMPLIES, OPE_EQUIV, OPE_EXISTS, OPE_FORALL, OPE_IMPLIES, OPE_L_ARROW, OPE_MAX, OPE_MIN, OPE_NOT_EQUIV, OPE_NUM_OF, OPE_PRODUCT, OPE_R_ARROW, OPE_SUBTYPE, OPE_SUM, SAME, TID_BIGINT, TID_REAL, TID_TYPE, TN_JMLOBJECTSET, TN_JMLTYPE, TN_JMLVALUESET
 
Fields inherited from interface org.multijava.mjc.Constants
ACC_MODIFIER_FLAGS_MASK, ACC_NON_NULL, ACC_NON_NULL_BY_DEFAULT, ACC_NULLABLE, ACC_NULLABLE_BY_DEFAULT, ACC_PURE, AMID_JAVA_MATH, AMID_MAX, AMID_SAFE_MATH, CMP_VERSION, IMPLICITLY_NON_NULL, JAV_ASSERTION_ERROR, JAV_CLASS, JAV_CLASSLOADER, JAV_CLASSNOTFOUND_EXCEPTION, JAV_CLONE, JAV_CLONEABLE, JAV_CONSTRUCTOR, JAV_ERROR, JAV_EXCEPTION, JAV_INIT, JAV_LENGTH, JAV_NAME_SEPARATOR, JAV_NOCLASSDEFFOUND_ERROR, JAV_OBJECT, JAV_OUTER_THIS, JAV_RMJ_RUNTIME_EXCEPTION, JAV_RUNTIME, JAV_RUNTIME_EXCEPTION, JAV_SERIALIZABLE, JAV_STATIC_INIT, JAV_STRING, JAV_STRINGBUFFER, JAV_SUPER, JAV_THIS, JAV_THROWABLE, MJ_ANCHOR, NULLITY_MODS, OPE_BAND, OPE_BNOT, OPE_BOR, OPE_BSR, OPE_BXOR, OPE_EQ, OPE_GE, OPE_GT, OPE_LAND, OPE_LE, OPE_LNOT, OPE_LOR, OPE_LT, OPE_MINUS, OPE_NE, OPE_PERCENT, OPE_PLUS, OPE_POSTDEC, OPE_POSTINC, OPE_PREDEC, OPE_PREINC, OPE_SIMPLE, OPE_SL, OPE_SLASH, OPE_SR, OPE_STAR, TID_ARRAY, TID_BOOLEAN, TID_BYTE, TID_CHAR, TID_CLASS, TID_DOUBLE, TID_FLOAT, TID_INT, TID_LONG, TID_MAX, TID_SHORT, TID_VOID, UNIV_ARRAY_TMP, UNIV_TMP
 
Fields inherited from interface org.multijava.util.classfile.Constants
ACC_ABSTRACT, ACC_FINAL, ACC_INTERFACE, ACC_NATIVE, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_STRICT, ACC_SUPER, ACC_SYNCHRONIZED, ACC_SYNTHETIC, ACC_TRANSIENT, ACC_VOLATILE, ATT_ANCHOR, ATT_BRIDGE, ATT_CODE, ATT_CONSTANTVALUE, ATT_DEPRECATED, ATT_DISPATCHER, ATT_EXCEPTIONS, ATT_GENERIC, ATT_GENERIC_FUNCTIONS, ATT_INNERCLASSES, ATT_LINENUMBERTABLE, ATT_LOCALVARIABLETABLE, ATT_MM_BODY, ATT_REDIRECTOR, ATT_RMJ_GLUE, ATT_RMJ_SIGNATURE, ATT_RUNTIME_VISIBLE_ANNOTATIONS, ATT_RUNTIME_VISIBLE_PARAMETER_ANNOTATIONS, ATT_SIGNATURE, ATT_SOURCEFILE, ATT_SYNTHETIC, ATT_UNIVERSE_FIELD, ATT_UNIVERSE_METHOD, ATT_UNIVERSE_VERSION, CST_CLASS, CST_DOUBLE, CST_FIELD, CST_FLOAT, CST_INTEGER, CST_INTERFACEMETHOD, CST_LONG, CST_METHOD, CST_NAMEANDTYPE, CST_STRING, CST_UTF8, ENV_DEBUG_MODE, ENV_USE_CACHE, JAVA_MAGIC, JAVA_MAJOR, JAVA_MINOR, MAX_CODE_PER_METHOD, opc_aaload, opc_aastore, opc_aconst_null, opc_aload, opc_aload_0, opc_aload_1, opc_aload_2, opc_aload_3, opc_anewarray, opc_areturn, opc_arraylength, opc_astore, opc_astore_0, opc_astore_1, opc_astore_2, opc_astore_3, opc_athrow, opc_baload, opc_bastore, opc_bipush, opc_caload, opc_castore, opc_checkcast, opc_d2f, opc_d2i, opc_d2l, opc_dadd, opc_daload, opc_dastore, opc_dcmpg, opc_dcmpl, opc_dconst_0, opc_dconst_1, opc_ddiv, opc_dload, opc_dload_0, opc_dload_1, opc_dload_2, opc_dload_3, opc_dmul, opc_dneg, opc_drem, opc_dreturn, opc_dstore, opc_dstore_0, opc_dstore_1, opc_dstore_2, opc_dstore_3, opc_dsub, opc_dup, opc_dup2, opc_dup2_x1, opc_dup2_x2, opc_dup_x1, opc_dup_x2, opc_f2d, opc_f2i, opc_f2l, opc_fadd, opc_faload, opc_fastore, opc_fcmpg, opc_fcmpl, opc_fconst_0, opc_fconst_1, opc_fconst_2, opc_fdiv, opc_fload, opc_fload_0, opc_fload_1, opc_fload_2, opc_fload_3, opc_fmul, opc_fneg, opc_frem, opc_freturn, opc_fstore, opc_fstore_0, opc_fstore_1, opc_fstore_2, opc_fstore_3, opc_fsub, opc_getfield, opc_getstatic, opc_goto, opc_goto_w, opc_i2b, opc_i2c, opc_i2d, opc_i2f, opc_i2l, opc_i2s, opc_iadd, opc_iaload, opc_iand, opc_iastore, opc_iconst_0, opc_iconst_1, opc_iconst_2, opc_iconst_3, opc_iconst_4, opc_iconst_5, opc_iconst_m1, opc_idiv, opc_if_acmpeq, opc_if_acmpne, opc_if_icmpeq, opc_if_icmpge, opc_if_icmpgt, opc_if_icmple, opc_if_icmplt, opc_if_icmpne, opc_ifeq, opc_ifge, opc_ifgt, opc_ifle, opc_iflt, opc_ifne, opc_ifnonnull, opc_ifnull, opc_iinc, opc_iload, opc_iload_0, opc_iload_1, opc_iload_2, opc_iload_3, opc_imul, opc_ineg, opc_instanceof, opc_invokeinterface, opc_invokespecial, opc_invokestatic, opc_invokevirtual, opc_ior, opc_irem, opc_ireturn, opc_ishl, opc_ishr, opc_istore, opc_istore_0, opc_istore_1, opc_istore_2, opc_istore_3, opc_isub, opc_iushr, opc_ixor, opc_jsr, opc_jsr_w, opc_l2d, opc_l2f, opc_l2i, opc_ladd, opc_laload, opc_land, opc_lastore, opc_lcmp, opc_lconst_0, opc_lconst_1, opc_ldc, opc_ldc2_w, opc_ldc_w, opc_ldiv, opc_lload, opc_lload_0, opc_lload_1, opc_lload_2, opc_lload_3, opc_lmul, opc_lneg, opc_lookupswitch, opc_lor, opc_lrem, opc_lreturn, opc_lshl, opc_lshr, opc_lstore, opc_lstore_0, opc_lstore_1, opc_lstore_2, opc_lstore_3, opc_lsub, opc_lushr, opc_lxor, opc_monitorenter, opc_monitorexit, opc_multianewarray, opc_new, opc_newarray, opc_nop, opc_pop, opc_pop2, opc_putfield, opc_putstatic, opc_ret, opc_return, opc_saload, opc_sastore, opc_sipush, opc_swap, opc_tableswitch, opc_wide, opc_xxxunusedxxx, POO_ASCII_CONSTANT, POO_CLASS_CONSTANT, POO_DOUBLE_CONSTANT, POO_FLOAT_CONSTANT, POO_INTEGER_CONSTANT, POO_LONG_CONSTANT, POO_NAT_CONSTANT, POO_REF_CONSTANT, POO_STRING_CONSTANT, TYP_ADDRESS, TYP_DOUBLE, TYP_FLOAT, TYP_INT, TYP_LONG, TYP_REFERENCE, TYP_VOID
 
Fields inherited from interface org.jmlspecs.jmlrac.RacConstants
MN_CHECK_HC, MN_CHECK_INV, MN_CHECK_POST, MN_CHECK_PRE, MN_CHECK_XPOST, MN_EVAL_OLD, MN_GHOST, MN_INIT, MN_INTERNAL, MN_MODEL, MN_MODEL_PUBLIC, MN_RESTORE_FROM, MN_SAVE_TO, MN_SPEC, MN_SPEC_PUBLIC, TN_JMLCHECKABLE, TN_JMLSURROGATE, TN_JMLUNIT_TEST_POSTFIX, TN_JMLUNIT_TESTDATA_POSTFIX, TN_JMLVALUE, TN_SURROGATE, VN_ASSERTION, VN_CATCH_VAR, VN_CLASS_INIT, VN_CONSTRUCTED, VN_DELEGEE, VN_ERROR_SET, VN_EXCEPTION, VN_FREE_VAR, VN_INIT, VN_OLD_VAR, VN_POST_VAR, VN_PRE_VAR, VN_PRECOND, VN_RAC_COMPILED, VN_RAC_LEVEL, VN_RESULT, VN_STACK_VAR, VN_XRESULT
 
Constructor Summary
TransOldExpression(VarGenerator varGen, RacContext ctx, JExpression expr, String resultVar, JTypeDeclarationType typeDecl)
          Construct an object of TransOldExpression.
 
Method Summary
 
Methods inherited from class org.jmlspecs.jmlrac.TransExpression
addDiagTerm, addDiagTermResult, addDiagTermThis, applyArrayAccessExpression, applyCast, applyOperator, applyOperator, booleanNonExecutableExpression, canMakeStaticCall, defaultValue, diagTerms, freshVar, GET_ARGUMENT, GET_RESULT, guardUndefined, hasDiagTerms, initDiagTerms, isNonExecutableFieldReference, nonExecutableExpression, PEEK_ARGUMENT, perform, PUT_ARGUMENT, RETURN_RESULT, specAccessorNeeded, stmt, toString, translate, translate, translateEquivalence, translateImplication, translateIsSubtypeOf, transPrefix, transPrefixSpec, visitAddExpression, visitArrayAccessExpression, visitArrayDimsAndInit, visitArrayInitializer, visitArrayLengthExpression, visitAssignmentExpression, visitBigintLiteral, visitBinaryExpression, visitBitwiseExpression, visitBooleanBinaryExpression, visitBooleanLiteral, visitByteLiteral, visitCastExpression, visitCharLiteral, visitClassExpression, visitCompoundAssignmentExpression, visitConditionalAndExpression, visitConditionalExpression, visitConditionalOrExpression, visitDivideExpression, visitDoubleLiteral, visitEqualityExpression, visitExplicitConstructorInvocation, visitFieldExpression, visitFloatLiteral, visitInstanceofExpression, visitIntLiteral, visitJmlElemTypeExpression, visitJmlFreshExpression, visitJmlInformalExpression, visitJmlInvariantForExpression, visitJmlIsInitializedExpression, visitJmlLabelExpression, visitJmlLockSetExpression, visitJmlMaxExpression, visitJmlNonNullElementsExpression, visitJmlNotAssignedExpression, visitJmlNotModifiedExpression, visitJmlOldExpression, visitJmlPredicate, visitJmlPreExpression, visitJmlReachExpression, visitJmlRelationalExpression, visitJmlResultExpression, visitJmlSetComprehension, visitJmlSpecExpression, visitJmlSpecQuantifiedExpression, visitJmlTypeExpression, visitJmlTypeOfExpression, visitLocalVariableExpression, visitLongLiteral, visitMethodCallExpression, visitMinusExpression, visitModuloExpression, visitMultExpression, visitNameExpression, visitNewAnonymousClassExpression, visitNewArrayExpression, visitNewObjectExpression, visitNullLiteral, visitOrdinalLiteral, visitParenthesedExpression, visitPostfixExpression, visitPrefixExpression, visitRacPredicate, visitRealLiteral, visitRelationalExpression, visitShiftExpression, visitShortLiteral, visitStringLiteral, visitSuperExpression, visitThisExpression, visitTypeNameExpression, visitUnaryExpression, visitUnaryPromoteExpression, warn, wrapBooleanResult, wrapBooleanResultTC, wrappedStmt
 
Methods inherited from class org.jmlspecs.jmlrac.RacAbstractVisitor
visitRacNode
 
Methods inherited from class org.jmlspecs.checker.JmlAbstractVisitor
visitAssertStatement, visitBlockStatement, visitBreakStatement, visitCatchClause, visitClassBlock, visitClassDeclaration, visitClassOrGFImport, visitCompilationUnit, visitCompoundAssignmentExpression, visitCompoundStatement, visitCompoundStatement, visitConstructorBlock, visitConstructorDeclaration, visitContinueStatement, visitDoStatement, visitEmptyStatement, visitExpressionListStatement, visitExpressionStatement, visitFieldDeclaration, visitFormalParameters, visitForStatement, visitGenericFunctionDecl, visitIfStatement, visitInitializerDeclaration, visitInterfaceDeclaration, visitJmlAbruptSpecBody, visitJmlAbruptSpecCase, visitJmlAccessibleClause, visitJmlAssertStatement, visitJmlAssignableClause, visitJmlAssignmentStatement, visitJmlAssumeStatement, visitJmlAxiom, visitJmlBehaviorSpec, visitJmlBreaksClause, visitJmlCallableClause, visitJmlCapturesClause, visitJmlClassBlock, visitJmlClassDeclaration, visitJmlClassOrGFImport, visitJmlCodeContract, visitJmlCompilationUnit, visitJmlConstraint, visitJmlConstructorDeclaration, visitJmlConstructorName, visitJmlContinuesClause, visitJmlDebugStatement, visitJmlDeclaration, visitJmlDivergesClause, visitJmlDurationClause, visitJmlDurationExpression, visitJmlEnsuresClause, visitJmlExample, visitJmlExceptionalBehaviorSpec, visitJmlExceptionalExample, visitJmlExceptionalSpecBody, visitJmlExceptionalSpecCase, visitJmlExpression, visitJmlExtendingSpecification, visitJmlFieldDeclaration, visitJmlForAllVarDecl, visitJmlFormalParameter, visitJmlGeneralSpecCase, visitJmlGenericSpecBody, visitJmlGenericSpecCase, visitJmlGuardedStatement, visitJmlHenceByStatement, visitJmlInformalStoreRef, visitJmlInGroupClause, visitJmlInitiallyVarAssertion, visitJmlInterfaceDeclaration, visitJmlInvariant, visitJmlInvariantStatement, visitJmlLetVarDecl, visitJmlLoopInvariant, visitJmlLoopStatement, visitJmlMapsIntoClause, visitJmlMeasuredClause, visitJmlMethodDeclaration, visitJmlMethodName, visitJmlMethodNameList, visitJmlMethodSpecification, visitJmlModelProgram, visitJmlMonitorsForVarAssertion, visitJmlName, visitJmlNode, visitJmlNondetChoiceStatement, visitJmlNondetIfStatement, visitJmlNormalBehaviorSpec, visitJmlNormalExample, visitJmlNormalSpecBody, visitJmlNormalSpecCase, visitJmlOnlyAccessedExpression, visitJmlOnlyAssignedExpression, visitJmlOnlyCalledExpression, visitJmlOnlyCapturedExpression, visitJmlPackageImport, visitJmlPredicateKeyword, visitJmlReadableIfVarAssertion, visitJmlRedundantSpec, visitJmlRefinePrefix, visitJmlRepresentsDecl, visitJmlRequiresClause, visitJmlReturnsClause, visitJmlSetStatement, visitJmlSignalsClause, visitJmlSignalsOnlyClause, visitJmlSpaceExpression, visitJmlSpecBody, visitJmlSpecification, visitJmlSpecStatement, visitJmlSpecVarDecl, visitJmlStoreRef, visitJmlStoreRefExpression, visitJmlStoreRefKeyword, visitJmlUnreachableStatement, visitJmlVariableDefinition, visitJmlVariantFunction, visitJmlWhenClause, visitJmlWorkingSpaceClause, visitJmlWorkingSpaceExpression, visitJmlWritableIfVarAssertion, visitLabeledStatement, visitMathModeExpression, visitMethodDeclaration, visitPackageImport, visitPackageName, visitReturnStatement, visitSwitchGroup, visitSwitchLabel, visitSwitchStatement, visitSynchronizedStatement, visitThrowStatement, visitTopLevelMethodDeclaration, visitTryCatchStatement, visitTryFinallyStatement, visitTypeDeclarationStatement, visitVariableDeclarationStatement, visitVariableDefinition, visitWarnExpression, visitWhileStatement
 
Methods inherited from class org.multijava.util.Utils
assertTrue, assertTrue, combineArrays, escapeString, escapeString, fail, fail, getFilePath, hasFlag, hasOtherFlags, parsePathParts, relativePathTo, splitQualifiedName, splitQualifiedName, stripJavaModifiers, stripNonJavaModifiers, stripPrivateModifier, unescapeString, vectorToArray, vectorToIntArray
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.jmlspecs.checker.JmlVisitor
visitJmlAbruptSpecBody, visitJmlAbruptSpecCase, visitJmlAccessibleClause, visitJmlAssertStatement, visitJmlAssignableClause, visitJmlAssignmentStatement, visitJmlAssumeStatement, visitJmlAxiom, visitJmlBehaviorSpec, visitJmlBreaksClause, visitJmlCallableClause, visitJmlCapturesClause, visitJmlClassBlock, visitJmlClassDeclaration, visitJmlClassOrGFImport, visitJmlCodeContract, visitJmlCompilationUnit, visitJmlConstraint, visitJmlConstructorDeclaration, visitJmlConstructorName, visitJmlContinuesClause, visitJmlDebugStatement, visitJmlDeclaration, visitJmlDivergesClause, visitJmlDurationClause, visitJmlDurationExpression, visitJmlEnsuresClause, visitJmlExample, visitJmlExceptionalBehaviorSpec, visitJmlExceptionalExample, visitJmlExceptionalSpecBody, visitJmlExceptionalSpecCase, visitJmlExpression, visitJmlExtendingSpecification, visitJmlFieldDeclaration, visitJmlForAllVarDecl, visitJmlFormalParameter, visitJmlGeneralSpecCase, visitJmlGenericSpecBody, visitJmlGenericSpecCase, visitJmlGuardedStatement, visitJmlHenceByStatement, visitJmlInformalStoreRef, visitJmlInGroupClause, visitJmlInitiallyVarAssertion, visitJmlInterfaceDeclaration, visitJmlInvariant, visitJmlInvariantStatement, visitJmlLetVarDecl, visitJmlLoopInvariant, visitJmlLoopStatement, visitJmlMapsIntoClause, visitJmlMeasuredClause, visitJmlMethodDeclaration, visitJmlMethodName, visitJmlMethodNameList, visitJmlMethodSpecification, visitJmlModelProgram, visitJmlMonitorsForVarAssertion, visitJmlName, visitJmlNode, visitJmlNondetChoiceStatement, visitJmlNondetIfStatement, visitJmlNormalBehaviorSpec, visitJmlNormalExample, visitJmlNormalSpecBody, visitJmlNormalSpecCase, visitJmlOnlyAccessedExpression, visitJmlOnlyAssignedExpression, visitJmlOnlyCalledExpression, visitJmlOnlyCapturedExpression, visitJmlPackageImport, visitJmlPredicateKeyword, visitJmlReadableIfVarAssertion, visitJmlRedundantSpec, visitJmlRefinePrefix, visitJmlRepresentsDecl, visitJmlRequiresClause, visitJmlReturnsClause, visitJmlSetStatement, visitJmlSignalsClause, visitJmlSignalsOnlyClause, visitJmlSpaceExpression, visitJmlSpecBody, visitJmlSpecification, visitJmlSpecStatement, visitJmlSpecVarDecl, visitJmlStoreRef, visitJmlStoreRefExpression, visitJmlStoreRefKeyword, visitJmlUnreachableStatement, visitJmlVariableDefinition, visitJmlVariantFunction, visitJmlWhenClause, visitJmlWorkingSpaceClause, visitJmlWorkingSpaceExpression, visitJmlWritableIfVarAssertion
 
Methods inherited from interface org.multijava.mjc.MjcVisitor
visitAssertStatement, visitBlockStatement, visitBreakStatement, visitCatchClause, visitClassBlock, visitClassDeclaration, visitClassOrGFImport, visitCompilationUnit, visitCompoundAssignmentExpression, visitCompoundStatement, visitConstructorBlock, visitConstructorDeclaration, visitContinueStatement, visitDoStatement, visitEmptyStatement, visitExpressionListStatement, visitExpressionStatement, visitFieldDeclaration, visitFormalParameters, visitForStatement, visitGenericFunctionDecl, visitIfStatement, visitInitializerDeclaration, visitInterfaceDeclaration, visitLabeledStatement, visitMathModeExpression, visitMethodDeclaration, visitPackageImport, visitPackageName, visitReturnStatement, visitSwitchGroup, visitSwitchLabel, visitSwitchStatement, visitSynchronizedStatement, visitThrowStatement, visitTopLevelMethodDeclaration, visitTryCatchStatement, visitTryFinallyStatement, visitTypeDeclarationStatement, visitVariableDeclarationStatement, visitVariableDefinition, visitWarnExpression, visitWhileStatement
 

Constructor Detail

TransOldExpression

public TransOldExpression(VarGenerator varGen,
                          RacContext ctx,
                          JExpression expr,
                          String resultVar,
                          JTypeDeclarationType typeDecl)
Construct an object of TransOldExpression.

Parameters:
varGen - variable generator for generating fresh local variables
expr - target predicate to translate
resultVar - variable name to store the result

JML

JML is Copyright (C) 1998-2002 by Iowa State University and is distributed under the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This release depends on code from the MultiJava project and is based in part on the Kopi project Copyright (C) 1990-99 DMS Decision Management Systems Ges.m.b.H.