Examples with ExpCompiler mondrian.calc.ExpCompiler used on opensource projects

Example 1 with ExpCompiler

use of mondrian.calc.ExpCompiler in project mondrian by pentaho.

the class BuiltinFunTable method defineFunctions.

public void defineFunctions(Builder builder) {
    builder.defineReserved("NULL");
    // Empty expression
    builder.define(new FunDefBase("", "", "Dummy function representing the empty expression", Syntax.Empty, Category.Empty, new int[0]) {
    });
    // "SetToArray(<Set>[, <Set>]...[, <Numeric Expression>])"
    if (false)
        builder.define(new FunDefBase("SetToArray", "SetToArray(<Set>[, <Set>]...[, <Numeric Expression>])", "Converts one or more sets to an array for use in a user-defined function.", "fa*") {

            public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
                throw new UnsupportedOperationException();
            }
        });
    // 
    // DIMENSION FUNCTIONS
    builder.define(HierarchyDimensionFunDef.instance);
    // "<Dimension>.Dimension"
    builder.define(DimensionDimensionFunDef.INSTANCE);
    // "<Level>.Dimension"
    builder.define(LevelDimensionFunDef.INSTANCE);
    // "<Member>.Dimension"
    builder.define(MemberDimensionFunDef.INSTANCE);
    // "Dimensions(<Numeric Expression>)"
    builder.define(DimensionsNumericFunDef.INSTANCE);
    // "Dimensions(<String Expression>)"
    builder.define(DimensionsStringFunDef.INSTANCE);
    // 
    // HIERARCHY FUNCTIONS
    builder.define(LevelHierarchyFunDef.instance);
    builder.define(MemberHierarchyFunDef.instance);
    // 
    // LEVEL FUNCTIONS
    builder.define(MemberLevelFunDef.instance);
    // "<Hierarchy>.Levels(<Numeric Expression>)"
    builder.define(new FunDefBase("Levels", "Returns the level whose position in a hierarchy is specified by a numeric expression.", "mlhn") {

        public Type getResultType(Validator validator, Exp[] args) {
            final Type argType = args[0].getType();
            return LevelType.forType(argType);
        }

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final HierarchyCalc hierarchyCalc = compiler.compileHierarchy(call.getArg(0));
            final IntegerCalc ordinalCalc = compiler.compileInteger(call.getArg(1));
            return new AbstractLevelCalc(call, new Calc[] { hierarchyCalc, ordinalCalc }) {

                public Level evaluateLevel(Evaluator evaluator) {
                    Hierarchy hierarchy = hierarchyCalc.evaluateHierarchy(evaluator);
                    int ordinal = ordinalCalc.evaluateInteger(evaluator);
                    return nthLevel(hierarchy, ordinal);
                }
            };
        }

        Level nthLevel(Hierarchy hierarchy, int n) {
            Level[] levels = hierarchy.getLevels();
            if (n >= levels.length || n < 0) {
                throw newEvalException(this, "Index '" + n + "' out of bounds");
            }
            return levels[n];
        }
    });
    // "<Hierarchy>.Levels(<String Expression>)"
    builder.define(new FunDefBase("Levels", "Returns the level whose name is specified by a string expression.", "mlhS") {

        public Type getResultType(Validator validator, Exp[] args) {
            final Type argType = args[0].getType();
            return LevelType.forType(argType);
        }

        public Calc compileCall(final ResolvedFunCall call, ExpCompiler compiler) {
            final HierarchyCalc hierarchyCalc = compiler.compileHierarchy(call.getArg(0));
            final StringCalc nameCalc = compiler.compileString(call.getArg(1));
            return new AbstractLevelCalc(call, new Calc[] { hierarchyCalc, nameCalc }) {

                public Level evaluateLevel(Evaluator evaluator) {
                    Hierarchy hierarchy = hierarchyCalc.evaluateHierarchy(evaluator);
                    String name = nameCalc.evaluateString(evaluator);
                    for (Level level : hierarchy.getLevels()) {
                        if (level.getName().equals(name)) {
                            return level;
                        }
                    }
                    throw newEvalException(call.getFunDef(), "Level '" + name + "' not found in hierarchy '" + hierarchy + "'");
                }
            };
        }
    });
    // "Levels(<String Expression>)"
    builder.define(new FunDefBase("Levels", "Returns the level whose name is specified by a string expression.", "flS") {

        public Type getResultType(Validator validator, Exp[] args) {
            final Type argType = args[0].getType();
            return LevelType.forType(argType);
        }

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final StringCalc stringCalc = compiler.compileString(call.getArg(0));
            return new AbstractLevelCalc(call, new Calc[] { stringCalc }) {

                public Level evaluateLevel(Evaluator evaluator) {
                    String levelName = stringCalc.evaluateString(evaluator);
                    return findLevel(evaluator, levelName);
                }
            };
        }

        Level findLevel(Evaluator evaluator, String s) {
            Cube cube = evaluator.getCube();
            OlapElement o = (s.startsWith("[")) ? evaluator.getSchemaReader().lookupCompound(cube, parseIdentifier(s), false, Category.Level) : // brackets, so don't even try
            null;
            if (o instanceof Level) {
                return (Level) o;
            } else if (o == null) {
                throw newEvalException(this, "Level '" + s + "' not found");
            } else {
                throw newEvalException(this, "Levels('" + s + "') found " + o);
            }
        }
    });
    // 
    // LOGICAL FUNCTIONS
    builder.define(IsEmptyFunDef.FunctionResolver);
    builder.define(IsEmptyFunDef.PostfixResolver);
    builder.define(IsNullFunDef.Resolver);
    builder.define(IsFunDef.Resolver);
    builder.define(AsFunDef.RESOLVER);
    // 
    // MEMBER FUNCTIONS
    builder.define(AncestorFunDef.Resolver);
    builder.define(AncestorsFunDef.Resolver);
    builder.define(new FunDefBase("Cousin", "<Member> Cousin(<Member>, <Ancestor Member>)", "Returns the member with the same relative position under <ancestor member> as the member specified.", "fmmm") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final MemberCalc memberCalc = compiler.compileMember(call.getArg(0));
            final MemberCalc ancestorMemberCalc = compiler.compileMember(call.getArg(1));
            return new AbstractMemberCalc(call, new Calc[] { memberCalc, ancestorMemberCalc }) {

                public Member evaluateMember(Evaluator evaluator) {
                    Member member = memberCalc.evaluateMember(evaluator);
                    Member ancestorMember = ancestorMemberCalc.evaluateMember(evaluator);
                    return cousin(evaluator.getSchemaReader(), member, ancestorMember);
                }
            };
        }
    });
    builder.define(HierarchyCurrentMemberFunDef.instance);
    builder.define(NamedSetCurrentFunDef.instance);
    builder.define(NamedSetCurrentOrdinalFunDef.instance);
    // "<Member>.DataMember"
    builder.define(new FunDefBase("DataMember", "Returns the system-generated data member that is associated with a nonleaf member of a dimension.", "pmm") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final MemberCalc memberCalc = compiler.compileMember(call.getArg(0));
            return new AbstractMemberCalc(call, new Calc[] { memberCalc }) {

                public Member evaluateMember(Evaluator evaluator) {
                    Member member = memberCalc.evaluateMember(evaluator);
                    return member.getDataMember();
                }
            };
        }
    });
    // "<Dimension>.DefaultMember". The function is implemented using an
    // implicit cast to hierarchy, and we create a FunInfo for
    // documentation & backwards compatibility.
    builder.define(new FunInfo("DefaultMember", "Returns the default member of a dimension.", "pmd"));
    // "<Hierarchy>.DefaultMember"
    builder.define(new FunDefBase("DefaultMember", "Returns the default member of a hierarchy.", "pmh") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final HierarchyCalc hierarchyCalc = compiler.compileHierarchy(call.getArg(0));
            return new AbstractMemberCalc(call, new Calc[] { hierarchyCalc }) {

                public Member evaluateMember(Evaluator evaluator) {
                    Hierarchy hierarchy = hierarchyCalc.evaluateHierarchy(evaluator);
                    return evaluator.getSchemaReader().getHierarchyDefaultMember(hierarchy);
                }
            };
        }
    });
    // "<Member>.FirstChild"
    builder.define(new FunDefBase("FirstChild", "Returns the first child of a member.", "pmm") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final MemberCalc memberCalc = compiler.compileMember(call.getArg(0));
            return new AbstractMemberCalc(call, new Calc[] { memberCalc }) {

                public Member evaluateMember(Evaluator evaluator) {
                    Member member = memberCalc.evaluateMember(evaluator);
                    return firstChild(evaluator, member);
                }
            };
        }

        Member firstChild(Evaluator evaluator, Member member) {
            List<Member> children = evaluator.getSchemaReader().getMemberChildren(member);
            return (children.size() == 0) ? member.getHierarchy().getNullMember() : children.get(0);
        }
    });
    // <Member>.FirstSibling
    builder.define(new FunDefBase("FirstSibling", "Returns the first child of the parent of a member.", "pmm") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final MemberCalc memberCalc = compiler.compileMember(call.getArg(0));
            return new AbstractMemberCalc(call, new Calc[] { memberCalc }) {

                public Member evaluateMember(Evaluator evaluator) {
                    Member member = memberCalc.evaluateMember(evaluator);
                    return firstSibling(member, evaluator);
                }
            };
        }

        Member firstSibling(Member member, Evaluator evaluator) {
            Member parent = member.getParentMember();
            List<Member> children;
            final SchemaReader schemaReader = evaluator.getSchemaReader();
            if (parent == null) {
                if (member.isNull()) {
                    return member;
                }
                children = schemaReader.getHierarchyRootMembers(member.getHierarchy());
            } else {
                children = schemaReader.getMemberChildren(parent);
            }
            return children.get(0);
        }
    });
    builder.define(LeadLagFunDef.LagResolver);
    // <Member>.LastChild
    builder.define(new FunDefBase("LastChild", "Returns the last child of a member.", "pmm") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final MemberCalc memberCalc = compiler.compileMember(call.getArg(0));
            return new AbstractMemberCalc(call, new Calc[] { memberCalc }) {

                public Member evaluateMember(Evaluator evaluator) {
                    Member member = memberCalc.evaluateMember(evaluator);
                    return lastChild(evaluator, member);
                }
            };
        }

        Member lastChild(Evaluator evaluator, Member member) {
            List<Member> children = evaluator.getSchemaReader().getMemberChildren(member);
            return (children.size() == 0) ? member.getHierarchy().getNullMember() : children.get(children.size() - 1);
        }
    });
    // <Member>.LastSibling
    builder.define(new FunDefBase("LastSibling", "Returns the last child of the parent of a member.", "pmm") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final MemberCalc memberCalc = compiler.compileMember(call.getArg(0));
            return new AbstractMemberCalc(call, new Calc[] { memberCalc }) {

                public Member evaluateMember(Evaluator evaluator) {
                    Member member = memberCalc.evaluateMember(evaluator);
                    return firstSibling(member, evaluator);
                }
            };
        }

        Member firstSibling(Member member, Evaluator evaluator) {
            Member parent = member.getParentMember();
            List<Member> children;
            final SchemaReader schemaReader = evaluator.getSchemaReader();
            if (parent == null) {
                if (member.isNull()) {
                    return member;
                }
                children = schemaReader.getHierarchyRootMembers(member.getHierarchy());
            } else {
                children = schemaReader.getMemberChildren(parent);
            }
            return children.get(children.size() - 1);
        }
    });
    builder.define(LeadLagFunDef.LeadResolver);
    // Members(<String Expression>)
    builder.define(new FunDefBase("Members", "Returns the member whose name is specified by a string expression.", "fmS") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            throw new UnsupportedOperationException();
        }
    });
    // <Member>.NextMember
    builder.define(new FunDefBase("NextMember", "Returns the next member in the level that contains a specified member.", "pmm") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final MemberCalc memberCalc = compiler.compileMember(call.getArg(0));
            return new AbstractMemberCalc(call, new Calc[] { memberCalc }) {

                public Member evaluateMember(Evaluator evaluator) {
                    Member member = memberCalc.evaluateMember(evaluator);
                    return evaluator.getSchemaReader().getLeadMember(member, 1);
                }
            };
        }
    });
    builder.define(OpeningClosingPeriodFunDef.OpeningPeriodResolver);
    builder.define(OpeningClosingPeriodFunDef.ClosingPeriodResolver);
    builder.define(MemberOrderKeyFunDef.instance);
    builder.define(ParallelPeriodFunDef.Resolver);
    // <Member>.Parent
    builder.define(new FunDefBase("Parent", "Returns the parent of a member.", "pmm") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final MemberCalc memberCalc = compiler.compileMember(call.getArg(0));
            return new AbstractMemberCalc(call, new Calc[] { memberCalc }) {

                public Member evaluateMember(Evaluator evaluator) {
                    Member member = memberCalc.evaluateMember(evaluator);
                    return memberParent(evaluator, member);
                }
            };
        }

        Member memberParent(Evaluator evaluator, Member member) {
            Member parent = evaluator.getSchemaReader().getMemberParent(member);
            if (parent == null) {
                parent = member.getHierarchy().getNullMember();
            }
            return parent;
        }
    });
    // <Member>.PrevMember
    builder.define(new FunDefBase("PrevMember", "Returns the previous member in the level that contains a specified member.", "pmm") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final MemberCalc memberCalc = compiler.compileMember(call.getArg(0));
            return new AbstractMemberCalc(call, new Calc[] { memberCalc }) {

                public Member evaluateMember(Evaluator evaluator) {
                    Member member = memberCalc.evaluateMember(evaluator);
                    return evaluator.getSchemaReader().getLeadMember(member, -1);
                }
            };
        }
    });
    builder.define(StrToMemberFunDef.INSTANCE);
    builder.define(ValidMeasureFunDef.instance);
    // 
    // NUMERIC FUNCTIONS
    builder.define(AggregateFunDef.resolver);
    // Obsolete??
    builder.define(new MultiResolver("$AggregateChildren", "$AggregateChildren(<Hierarchy>)", "Equivalent to 'Aggregate(<Hierarchy>.CurrentMember.Children); for internal use.", new String[] { "Inh" }) {

        protected FunDef createFunDef(Exp[] args, FunDef dummyFunDef) {
            return new FunDefBase(dummyFunDef) {

                public void unparse(Exp[] args, PrintWriter pw) {
                    pw.print(getName());
                    pw.print("(");
                    args[0].unparse(pw);
                    pw.print(")");
                }

                public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
                    final HierarchyCalc hierarchyCalc = compiler.compileHierarchy(call.getArg(0));
                    final Calc valueCalc = new ValueCalc(call);
                    return new GenericCalc(call) {

                        public Object evaluate(Evaluator evaluator) {
                            Hierarchy hierarchy = hierarchyCalc.evaluateHierarchy(evaluator);
                            return aggregateChildren(evaluator, hierarchy, valueCalc);
                        }

                        public Calc[] getCalcs() {
                            return new Calc[] { hierarchyCalc, valueCalc };
                        }
                    };
                }

                Object aggregateChildren(Evaluator evaluator, Hierarchy hierarchy, final Calc valueFunCall) {
                    Member member = evaluator.getPreviousContext(hierarchy);
                    List<Member> members = new ArrayList<Member>();
                    evaluator.getSchemaReader().getParentChildContributingChildren(member.getDataMember(), hierarchy, members);
                    Aggregator aggregator = (Aggregator) evaluator.getProperty(Property.AGGREGATION_TYPE.name, null);
                    if (aggregator == null) {
                        throw FunUtil.newEvalException(null, "Could not find an aggregator in the current " + "evaluation context");
                    }
                    Aggregator rollup = aggregator.getRollup();
                    if (rollup == null) {
                        throw FunUtil.newEvalException(null, "Don't know how to rollup aggregator '" + aggregator + "'");
                    }
                    final int savepoint = evaluator.savepoint();
                    try {
                        final Object o = rollup.aggregate(evaluator, new UnaryTupleList(members), valueFunCall);
                        return o;
                    } finally {
                        evaluator.restore(savepoint);
                    }
                }
            };
        }
    });
    builder.define(AvgFunDef.Resolver);
    builder.define(CorrelationFunDef.Resolver);
    builder.define(CountFunDef.Resolver);
    // <Set>.Count
    builder.define(new FunDefBase("Count", "Returns the number of tuples in a set including empty cells.", "pnx") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final ListCalc listCalc = compiler.compileList(call.getArg(0));
            return new AbstractIntegerCalc(call, new Calc[] { listCalc }) {

                public int evaluateInteger(Evaluator evaluator) {
                    TupleList list = listCalc.evaluateList(evaluator);
                    return count(evaluator, list, true);
                }
            };
        }
    });
    builder.define(CovarianceFunDef.CovarianceResolver);
    builder.define(CovarianceFunDef.CovarianceNResolver);
    builder.define(IifFunDef.STRING_INSTANCE);
    builder.define(IifFunDef.NUMERIC_INSTANCE);
    builder.define(IifFunDef.TUPLE_INSTANCE);
    builder.define(IifFunDef.BOOLEAN_INSTANCE);
    builder.define(IifFunDef.MEMBER_INSTANCE);
    builder.define(IifFunDef.LEVEL_INSTANCE);
    builder.define(IifFunDef.HIERARCHY_INSTANCE);
    builder.define(IifFunDef.DIMENSION_INSTANCE);
    builder.define(IifFunDef.SET_INSTANCE);
    builder.define(LinReg.InterceptResolver);
    builder.define(LinReg.PointResolver);
    builder.define(LinReg.R2Resolver);
    builder.define(LinReg.SlopeResolver);
    builder.define(LinReg.VarianceResolver);
    builder.define(MinMaxFunDef.MaxResolver);
    builder.define(MinMaxFunDef.MinResolver);
    builder.define(MedianFunDef.Resolver);
    builder.define(PercentileFunDef.Resolver);
    // <Level>.Ordinal
    builder.define(new FunDefBase("Ordinal", "Returns the zero-based ordinal value associated with a level.", "pnl") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final LevelCalc levelCalc = compiler.compileLevel(call.getArg(0));
            return new AbstractIntegerCalc(call, new Calc[] { levelCalc }) {

                public int evaluateInteger(Evaluator evaluator) {
                    final Level level = levelCalc.evaluateLevel(evaluator);
                    return level.getDepth();
                }
            };
        }
    });
    builder.define(RankFunDef.Resolver);
    builder.define(CacheFunDef.Resolver);
    builder.define(StdevFunDef.StdevResolver);
    builder.define(StdevFunDef.StddevResolver);
    builder.define(StdevPFunDef.StdevpResolver);
    builder.define(StdevPFunDef.StddevpResolver);
    builder.define(SumFunDef.Resolver);
    // <Measure>.Value
    builder.define(new FunDefBase("Value", "Returns the value of a measure.", "pnm") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final MemberCalc memberCalc = compiler.compileMember(call.getArg(0));
            return new GenericCalc(call) {

                public Object evaluate(Evaluator evaluator) {
                    Member member = memberCalc.evaluateMember(evaluator);
                    final int savepoint = evaluator.savepoint();
                    evaluator.setContext(member);
                    try {
                        Object value = evaluator.evaluateCurrent();
                        return value;
                    } finally {
                        evaluator.restore(savepoint);
                    }
                }

                public boolean dependsOn(Hierarchy hierarchy) {
                    if (super.dependsOn(hierarchy)) {
                        return true;
                    }
                    if (memberCalc.getType().usesHierarchy(hierarchy, true)) {
                        return false;
                    }
                    return true;
                }

                public Calc[] getCalcs() {
                    return new Calc[] { memberCalc };
                }
            };
        }
    });
    builder.define(VarFunDef.VarResolver);
    builder.define(VarFunDef.VarianceResolver);
    builder.define(VarPFunDef.VariancePResolver);
    builder.define(VarPFunDef.VarPResolver);
    // 
    // SET FUNCTIONS
    builder.define(AddCalculatedMembersFunDef.resolver);
    // Ascendants(<Member>)
    builder.define(new FunDefBase("Ascendants", "Returns the set of the ascendants of a specified member.", "fxm") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final MemberCalc memberCalc = compiler.compileMember(call.getArg(0));
            return new AbstractListCalc(call, new Calc[] { memberCalc }) {

                public TupleList evaluateList(Evaluator evaluator) {
                    Member member = memberCalc.evaluateMember(evaluator);
                    return new UnaryTupleList(ascendants(evaluator.getSchemaReader(), member));
                }
            };
        }

        List<Member> ascendants(SchemaReader schemaReader, Member member) {
            if (member.isNull()) {
                return Collections.emptyList();
            }
            final List<Member> result = new ArrayList<Member>();
            result.add(member);
            schemaReader.getMemberAncestors(member, result);
            return result;
        }
    });
    builder.define(TopBottomCountFunDef.BottomCountResolver);
    builder.define(TopBottomPercentSumFunDef.BottomPercentResolver);
    builder.define(TopBottomPercentSumFunDef.BottomSumResolver);
    builder.define(TopBottomCountFunDef.TopCountResolver);
    builder.define(TopBottomPercentSumFunDef.TopPercentResolver);
    builder.define(TopBottomPercentSumFunDef.TopSumResolver);
    // <Member>.Children
    builder.define(new FunDefBase("Children", "Returns the children of a member.", "pxm") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final MemberCalc memberCalc = compiler.compileMember(call.getArg(0));
            return new AbstractListCalc(call, new Calc[] { memberCalc }, false) {

                public TupleList evaluateList(Evaluator evaluator) {
                    // Return the list of children. The list is immutable,
                    // hence 'false' above.
                    Member member = memberCalc.evaluateMember(evaluator);
                    return new UnaryTupleList(getNonEmptyMemberChildren(evaluator, member));
                }
            };
        }
    });
    builder.define(CrossJoinFunDef.Resolver);
    builder.define(NonEmptyCrossJoinFunDef.Resolver);
    builder.define(CrossJoinFunDef.StarResolver);
    builder.define(DescendantsFunDef.Resolver);
    builder.define(DescendantsFunDef.Resolver2);
    builder.define(DistinctFunDef.instance);
    builder.define(DrilldownLevelFunDef.Resolver);
    builder.define(DrilldownLevelTopBottomFunDef.DrilldownLevelTopResolver);
    builder.define(DrilldownLevelTopBottomFunDef.DrilldownLevelBottomResolver);
    builder.define(DrilldownMemberFunDef.Resolver);
    if (false)
        builder.define(new FunDefBase("DrilldownMemberBottom", "DrilldownMemberBottom(<Set1>, <Set2>, <Count>[, [<Numeric Expression>][, RECURSIVE]])", "Like DrilldownMember except that it includes only the bottom N children.", "fx*") {

            public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
                throw new UnsupportedOperationException();
            }
        });
    if (false)
        builder.define(new FunDefBase("DrilldownMemberTop", "DrilldownMemberTop(<Set1>, <Set2>, <Count>[, [<Numeric Expression>][, RECURSIVE]])", "Like DrilldownMember except that it includes only the top N children.", "fx*") {

            public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
                throw new UnsupportedOperationException();
            }
        });
    if (false)
        builder.define(new FunDefBase("DrillupLevel", "DrillupLevel(<Set>[, <Level>])", "Drills up the members of a set that are below a specified level.", "fx*") {

            public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
                throw new UnsupportedOperationException();
            }
        });
    if (false)
        builder.define(new FunDefBase("DrillupMember", "DrillupMember(<Set1>, <Set2>)", "Drills up the members in a set that are present in a second specified set.", "fx*") {

            public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
                throw new UnsupportedOperationException();
            }
        });
    builder.define(ExceptFunDef.Resolver);
    builder.define(ExistsFunDef.resolver);
    builder.define(ExtractFunDef.Resolver);
    builder.define(FilterFunDef.instance);
    builder.define(GenerateFunDef.ListResolver);
    builder.define(GenerateFunDef.StringResolver);
    builder.define(HeadTailFunDef.HeadResolver);
    builder.define(HierarchizeFunDef.Resolver);
    builder.define(IntersectFunDef.resolver);
    builder.define(LastPeriodsFunDef.Resolver);
    // <Dimension>.Members is really just shorthand for <Hierarchy>.Members
    builder.define(new FunInfo("Members", "Returns the set of members in a dimension.", "pxd"));
    // <Hierarchy>.Members
    builder.define(new FunDefBase("Members", "Returns the set of members in a hierarchy.", "pxh") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final HierarchyCalc hierarchyCalc = compiler.compileHierarchy(call.getArg(0));
            return new AbstractListCalc(call, new Calc[] { hierarchyCalc }) {

                public TupleList evaluateList(Evaluator evaluator) {
                    Hierarchy hierarchy = hierarchyCalc.evaluateHierarchy(evaluator);
                    return hierarchyMembers(hierarchy, evaluator, false);
                }
            };
        }
    });
    // <Hierarchy>.AllMembers
    builder.define(new FunDefBase("AllMembers", "Returns a set that contains all members, including calculated members, of the specified hierarchy.", "pxh") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final HierarchyCalc hierarchyCalc = compiler.compileHierarchy(call.getArg(0));
            return new AbstractListCalc(call, new Calc[] { hierarchyCalc }) {

                public TupleList evaluateList(Evaluator evaluator) {
                    Hierarchy hierarchy = hierarchyCalc.evaluateHierarchy(evaluator);
                    return hierarchyMembers(hierarchy, evaluator, true);
                }
            };
        }
    });
    // <Level>.Members
    builder.define(LevelMembersFunDef.INSTANCE);
    // <Level>.AllMembers
    builder.define(new FunDefBase("AllMembers", "Returns a set that contains all members, including calculated members, of the specified level.", "pxl") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final LevelCalc levelCalc = compiler.compileLevel(call.getArg(0));
            return new AbstractListCalc(call, new Calc[] { levelCalc }) {

                public TupleList evaluateList(Evaluator evaluator) {
                    Level level = levelCalc.evaluateLevel(evaluator);
                    return levelMembers(level, evaluator, true);
                }
            };
        }
    });
    builder.define(XtdFunDef.MtdResolver);
    builder.define(OrderFunDef.Resolver);
    builder.define(UnorderFunDef.Resolver);
    builder.define(PeriodsToDateFunDef.Resolver);
    builder.define(XtdFunDef.QtdResolver);
    // StripCalculatedMembers(<Set>)
    builder.define(new FunDefBase("StripCalculatedMembers", "Removes calculated members from a set.", "fxx") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final ListCalc listCalc = compiler.compileList(call.getArg(0));
            return new AbstractListCalc(call, new Calc[] { listCalc }) {

                public TupleList evaluateList(Evaluator evaluator) {
                    TupleList list = listCalc.evaluateList(evaluator);
                    return removeCalculatedMembers(list);
                }
            };
        }
    });
    // <Member>.Siblings
    builder.define(new FunDefBase("Siblings", "Returns the siblings of a specified member, including the member itself.", "pxm") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final MemberCalc memberCalc = compiler.compileMember(call.getArg(0));
            return new AbstractListCalc(call, new Calc[] { memberCalc }) {

                public TupleList evaluateList(Evaluator evaluator) {
                    final Member member = memberCalc.evaluateMember(evaluator);
                    return new UnaryTupleList(memberSiblings(member, evaluator));
                }
            };
        }

        List<Member> memberSiblings(Member member, Evaluator evaluator) {
            if (member.isNull()) {
                // the null member has no siblings -- not even itself
                return Collections.emptyList();
            }
            Member parent = member.getParentMember();
            final SchemaReader schemaReader = evaluator.getSchemaReader();
            if (parent == null) {
                return schemaReader.getHierarchyRootMembers(member.getHierarchy());
            } else {
                return schemaReader.getMemberChildren(parent);
            }
        }
    });
    builder.define(StrToSetFunDef.Resolver);
    builder.define(SubsetFunDef.Resolver);
    builder.define(HeadTailFunDef.TailResolver);
    builder.define(ToggleDrillStateFunDef.Resolver);
    builder.define(UnionFunDef.Resolver);
    builder.define(VisualTotalsFunDef.Resolver);
    builder.define(XtdFunDef.WtdResolver);
    builder.define(XtdFunDef.YtdResolver);
    // "<member> : <member>" operator
    builder.define(RangeFunDef.instance);
    // "{ <member> [,...] }" operator
    builder.define(SetFunDef.Resolver);
    builder.define(NativizeSetFunDef.Resolver);
    // Existing <Set>
    builder.define(ExistingFunDef.instance);
    // 
    // STRING FUNCTIONS
    builder.define(FormatFunDef.Resolver);
    // <Dimension>.Caption
    builder.define(new FunDefBase("Caption", "Returns the caption of a dimension.", "pSd") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final DimensionCalc dimensionCalc = compiler.compileDimension(call.getArg(0));
            return new AbstractStringCalc(call, new Calc[] { dimensionCalc }) {

                public String evaluateString(Evaluator evaluator) {
                    final Dimension dimension = dimensionCalc.evaluateDimension(evaluator);
                    return dimension.getCaption();
                }
            };
        }
    });
    // <Hierarchy>.Caption
    builder.define(new FunDefBase("Caption", "Returns the caption of a hierarchy.", "pSh") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final HierarchyCalc hierarchyCalc = compiler.compileHierarchy(call.getArg(0));
            return new AbstractStringCalc(call, new Calc[] { hierarchyCalc }) {

                public String evaluateString(Evaluator evaluator) {
                    final Hierarchy hierarchy = hierarchyCalc.evaluateHierarchy(evaluator);
                    return hierarchy.getCaption();
                }
            };
        }
    });
    // <Level>.Caption
    builder.define(new FunDefBase("Caption", "Returns the caption of a level.", "pSl") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final LevelCalc levelCalc = compiler.compileLevel(call.getArg(0));
            return new AbstractStringCalc(call, new Calc[] { levelCalc }) {

                public String evaluateString(Evaluator evaluator) {
                    final Level level = levelCalc.evaluateLevel(evaluator);
                    return level.getCaption();
                }
            };
        }
    });
    // <Member>.Caption
    builder.define(new FunDefBase("Caption", "Returns the caption of a member.", "pSm") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final MemberCalc memberCalc = compiler.compileMember(call.getArg(0));
            return new AbstractStringCalc(call, new Calc[] { memberCalc }) {

                public String evaluateString(Evaluator evaluator) {
                    final Member member = memberCalc.evaluateMember(evaluator);
                    return member.getCaption();
                }
            };
        }
    });
    // <Dimension>.Name
    builder.define(new FunDefBase("Name", "Returns the name of a dimension.", "pSd") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final DimensionCalc dimensionCalc = compiler.compileDimension(call.getArg(0));
            return new AbstractStringCalc(call, new Calc[] { dimensionCalc }) {

                public String evaluateString(Evaluator evaluator) {
                    final Dimension dimension = dimensionCalc.evaluateDimension(evaluator);
                    return dimension.getName();
                }
            };
        }
    });
    // <Hierarchy>.Name
    builder.define(new FunDefBase("Name", "Returns the name of a hierarchy.", "pSh") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final HierarchyCalc hierarchyCalc = compiler.compileHierarchy(call.getArg(0));
            return new AbstractStringCalc(call, new Calc[] { hierarchyCalc }) {

                public String evaluateString(Evaluator evaluator) {
                    final Hierarchy hierarchy = hierarchyCalc.evaluateHierarchy(evaluator);
                    return hierarchy.getName();
                }
            };
        }
    });
    // <Level>.Name
    builder.define(new FunDefBase("Name", "Returns the name of a level.", "pSl") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final LevelCalc levelCalc = compiler.compileLevel(call.getArg(0));
            return new AbstractStringCalc(call, new Calc[] { levelCalc }) {

                public String evaluateString(Evaluator evaluator) {
                    final Level level = levelCalc.evaluateLevel(evaluator);
                    return level.getName();
                }
            };
        }
    });
    // <Member>.Name
    builder.define(new FunDefBase("Name", "Returns the name of a member.", "pSm") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final MemberCalc memberCalc = compiler.compileMember(call.getArg(0));
            return new AbstractStringCalc(call, new Calc[] { memberCalc }) {

                public String evaluateString(Evaluator evaluator) {
                    final Member member = memberCalc.evaluateMember(evaluator);
                    return member.getName();
                }
            };
        }
    });
    builder.define(SetToStrFunDef.instance);
    builder.define(TupleToStrFunDef.instance);
    // <Dimension>.UniqueName
    builder.define(new FunDefBase("UniqueName", "Returns the unique name of a dimension.", "pSd") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final DimensionCalc dimensionCalc = compiler.compileDimension(call.getArg(0));
            return new AbstractStringCalc(call, new Calc[] { dimensionCalc }) {

                public String evaluateString(Evaluator evaluator) {
                    final Dimension dimension = dimensionCalc.evaluateDimension(evaluator);
                    return dimension.getUniqueName();
                }
            };
        }
    });
    // <Hierarchy>.UniqueName
    builder.define(new FunDefBase("UniqueName", "Returns the unique name of a hierarchy.", "pSh") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final HierarchyCalc hierarchyCalc = compiler.compileHierarchy(call.getArg(0));
            return new AbstractStringCalc(call, new Calc[] { hierarchyCalc }) {

                public String evaluateString(Evaluator evaluator) {
                    final Hierarchy hierarchy = hierarchyCalc.evaluateHierarchy(evaluator);
                    return hierarchy.getUniqueName();
                }
            };
        }
    });
    // <Level>.UniqueName
    builder.define(new FunDefBase("UniqueName", "Returns the unique name of a level.", "pSl") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final LevelCalc levelCalc = compiler.compileLevel(call.getArg(0));
            return new AbstractStringCalc(call, new Calc[] { levelCalc }) {

                public String evaluateString(Evaluator evaluator) {
                    final Level level = levelCalc.evaluateLevel(evaluator);
                    return level.getUniqueName();
                }
            };
        }
    });
    // <Member>.UniqueName
    builder.define(new FunDefBase("UniqueName", "Returns the unique name of a member.", "pSm") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final MemberCalc memberCalc = compiler.compileMember(call.getArg(0));
            return new AbstractStringCalc(call, new Calc[] { memberCalc }) {

                public String evaluateString(Evaluator evaluator) {
                    final Member member = memberCalc.evaluateMember(evaluator);
                    return member.getUniqueName();
                }
            };
        }
    });
    // <Set>.Current
    if (false)
        builder.define(new FunDefBase("Current", "Returns the current tuple from a set during an iteration.", "ptx") {

            public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
                throw new UnsupportedOperationException();
            }
        });
    builder.define(SetItemFunDef.intResolver);
    builder.define(SetItemFunDef.stringResolver);
    builder.define(TupleItemFunDef.instance);
    builder.define(StrToTupleFunDef.Resolver);
    // special resolver for "()"
    builder.define(TupleFunDef.Resolver);
    // 
    // GENERIC VALUE FUNCTIONS
    builder.define(CoalesceEmptyFunDef.Resolver);
    builder.define(CaseTestFunDef.Resolver);
    builder.define(CaseMatchFunDef.Resolver);
    builder.define(PropertiesFunDef.Resolver);
    // 
    // PARAMETER FUNCTIONS
    builder.define(new ParameterFunDef.ParameterResolver());
    builder.define(new ParameterFunDef.ParamRefResolver());
    // 
    // OPERATORS
    // <Numeric Expression> + <Numeric Expression>
    builder.define(new FunDefBase("+", "Adds two numbers.", "innn") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final DoubleCalc calc0 = compiler.compileDouble(call.getArg(0));
            final DoubleCalc calc1 = compiler.compileDouble(call.getArg(1));
            return new AbstractDoubleCalc(call, new Calc[] { calc0, calc1 }) {

                public double evaluateDouble(Evaluator evaluator) {
                    final double v0 = calc0.evaluateDouble(evaluator);
                    final double v1 = calc1.evaluateDouble(evaluator);
                    if (v0 == DoubleNull) {
                        if (v1 == DoubleNull) {
                            return DoubleNull;
                        } else {
                            return v1;
                        }
                    } else {
                        if (v1 == DoubleNull) {
                            return v0;
                        } else {
                            return v0 + v1;
                        }
                    }
                }
            };
        }
    });
    // <Numeric Expression> - <Numeric Expression>
    builder.define(new FunDefBase("-", "Subtracts two numbers.", "innn") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final DoubleCalc calc0 = compiler.compileDouble(call.getArg(0));
            final DoubleCalc calc1 = compiler.compileDouble(call.getArg(1));
            return new AbstractDoubleCalc(call, new Calc[] { calc0, calc1 }) {

                public double evaluateDouble(Evaluator evaluator) {
                    final double v0 = calc0.evaluateDouble(evaluator);
                    final double v1 = calc1.evaluateDouble(evaluator);
                    if (v0 == DoubleNull) {
                        if (v1 == DoubleNull) {
                            return DoubleNull;
                        } else {
                            return -v1;
                        }
                    } else {
                        if (v1 == DoubleNull) {
                            return v0;
                        } else {
                            return v0 - v1;
                        }
                    }
                }
            };
        }
    });
    // <Numeric Expression> * <Numeric Expression>
    builder.define(new FunDefBase("*", "Multiplies two numbers.", "innn") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final DoubleCalc calc0 = compiler.compileDouble(call.getArg(0));
            final DoubleCalc calc1 = compiler.compileDouble(call.getArg(1));
            return new AbstractDoubleCalc(call, new Calc[] { calc0, calc1 }) {

                public double evaluateDouble(Evaluator evaluator) {
                    final double v0 = calc0.evaluateDouble(evaluator);
                    final double v1 = calc1.evaluateDouble(evaluator);
                    // null.
                    if (v0 == DoubleNull || v1 == DoubleNull) {
                        return DoubleNull;
                    } else {
                        return v0 * v1;
                    }
                }
            };
        }
    });
    // <Numeric Expression> / <Numeric Expression>
    builder.define(new FunDefBase("/", "Divides two numbers.", "innn") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final DoubleCalc calc0 = compiler.compileDouble(call.getArg(0));
            final DoubleCalc calc1 = compiler.compileDouble(call.getArg(1));
            final boolean isNullDenominatorProducesNull = MondrianProperties.instance().NullDenominatorProducesNull.get();
            // conform to MSAS behavior.
            if (!isNullDenominatorProducesNull) {
                return new AbstractDoubleCalc(call, new Calc[] { calc0, calc1 }) {

                    public double evaluateDouble(Evaluator evaluator) {
                        final double v0 = calc0.evaluateDouble(evaluator);
                        final double v1 = calc1.evaluateDouble(evaluator);
                        // 
                        if (v0 == DoubleNull) {
                            return DoubleNull;
                        } else if (v1 == DoubleNull) {
                            // Null only in denominator returns Infinity.
                            return Double.POSITIVE_INFINITY;
                        } else {
                            return v0 / v1;
                        }
                    }
                };
            } else {
                return new AbstractDoubleCalc(call, new Calc[] { calc0, calc1 }) {

                    public double evaluateDouble(Evaluator evaluator) {
                        final double v0 = calc0.evaluateDouble(evaluator);
                        final double v1 = calc1.evaluateDouble(evaluator);
                        // DoubleNull.
                        if (v0 == DoubleNull || v1 == DoubleNull) {
                            return DoubleNull;
                        } else {
                            return v0 / v1;
                        }
                    }
                };
            }
        }
    });
    // - <Numeric Expression>
    builder.define(new FunDefBase("-", "Returns the negative of a number.", "Pnn") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final DoubleCalc calc = compiler.compileDouble(call.getArg(0));
            return new AbstractDoubleCalc(call, new Calc[] { calc }) {

                public double evaluateDouble(Evaluator evaluator) {
                    final double v = calc.evaluateDouble(evaluator);
                    if (v == DoubleNull) {
                        return DoubleNull;
                    } else {
                        return -v;
                    }
                }
            };
        }
    });
    // <String Expression> || <String Expression>
    builder.define(new FunDefBase("||", "Concatenates two strings.", "iSSS") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final StringCalc calc0 = compiler.compileString(call.getArg(0));
            final StringCalc calc1 = compiler.compileString(call.getArg(1));
            return new AbstractStringCalc(call, new Calc[] { calc0, calc1 }) {

                public String evaluateString(Evaluator evaluator) {
                    final String s0 = calc0.evaluateString(evaluator);
                    final String s1 = calc1.evaluateString(evaluator);
                    return s0 + s1;
                }
            };
        }
    });
    // <Logical Expression> AND <Logical Expression>
    builder.define(new FunDefBase("AND", "Returns the conjunction of two conditions.", "ibbb") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final BooleanCalc calc0 = compiler.compileBoolean(call.getArg(0));
            final BooleanCalc calc1 = compiler.compileBoolean(call.getArg(1));
            return new AbstractBooleanCalc(call, new Calc[] { calc0, calc1 }) {

                public boolean evaluateBoolean(Evaluator evaluator) {
                    boolean b0 = calc0.evaluateBoolean(evaluator);
                    // referenced in the AND expression in a single query
                    if (!evaluator.isEvalAxes() && !b0) {
                        return false;
                    }
                    boolean b1 = calc1.evaluateBoolean(evaluator);
                    return b0 && b1;
                }
            };
        }
    });
    // <Logical Expression> OR <Logical Expression>
    builder.define(new FunDefBase("OR", "Returns the disjunction of two conditions.", "ibbb") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final BooleanCalc calc0 = compiler.compileBoolean(call.getArg(0));
            final BooleanCalc calc1 = compiler.compileBoolean(call.getArg(1));
            return new AbstractBooleanCalc(call, new Calc[] { calc0, calc1 }) {

                public boolean evaluateBoolean(Evaluator evaluator) {
                    boolean b0 = calc0.evaluateBoolean(evaluator);
                    // referenced in the OR expression in a single query
                    if (!evaluator.isEvalAxes() && b0) {
                        return true;
                    }
                    boolean b1 = calc1.evaluateBoolean(evaluator);
                    return b0 || b1;
                }
            };
        }
    });
    // <Logical Expression> XOR <Logical Expression>
    builder.define(new FunDefBase("XOR", "Returns whether two conditions are mutually exclusive.", "ibbb") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final BooleanCalc calc0 = compiler.compileBoolean(call.getArg(0));
            final BooleanCalc calc1 = compiler.compileBoolean(call.getArg(1));
            return new AbstractBooleanCalc(call, new Calc[] { calc0, calc1 }) {

                public boolean evaluateBoolean(Evaluator evaluator) {
                    final boolean b0 = calc0.evaluateBoolean(evaluator);
                    final boolean b1 = calc1.evaluateBoolean(evaluator);
                    return b0 != b1;
                }
            };
        }
    });
    // NOT <Logical Expression>
    builder.define(new FunDefBase("NOT", "Returns the negation of a condition.", "Pbb") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final BooleanCalc calc = compiler.compileBoolean(call.getArg(0));
            return new AbstractBooleanCalc(call, new Calc[] { calc }) {

                public boolean evaluateBoolean(Evaluator evaluator) {
                    return !calc.evaluateBoolean(evaluator);
                }
            };
        }
    });
    // <String Expression> = <String Expression>
    builder.define(new FunDefBase("=", "Returns whether two expressions are equal.", "ibSS") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final StringCalc calc0 = compiler.compileString(call.getArg(0));
            final StringCalc calc1 = compiler.compileString(call.getArg(1));
            return new AbstractBooleanCalc(call, new Calc[] { calc0, calc1 }) {

                public boolean evaluateBoolean(Evaluator evaluator) {
                    final String b0 = calc0.evaluateString(evaluator);
                    final String b1 = calc1.evaluateString(evaluator);
                    if (b0 == null || b1 == null) {
                        return BooleanNull;
                    }
                    return b0.equals(b1);
                }
            };
        }
    });
    // <Numeric Expression> = <Numeric Expression>
    builder.define(new FunDefBase("=", "Returns whether two expressions are equal.", "ibnn") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final DoubleCalc calc0 = compiler.compileDouble(call.getArg(0));
            final DoubleCalc calc1 = compiler.compileDouble(call.getArg(1));
            return new AbstractBooleanCalc(call, new Calc[] { calc0, calc1 }) {

                public boolean evaluateBoolean(Evaluator evaluator) {
                    final double v0 = calc0.evaluateDouble(evaluator);
                    final double v1 = calc1.evaluateDouble(evaluator);
                    if (Double.isNaN(v0) || Double.isNaN(v1) || v0 == DoubleNull || v1 == DoubleNull) {
                        return BooleanNull;
                    }
                    return v0 == v1;
                }
            };
        }
    });
    // <String Expression> <> <String Expression>
    builder.define(new FunDefBase("<>", "Returns whether two expressions are not equal.", "ibSS") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final StringCalc calc0 = compiler.compileString(call.getArg(0));
            final StringCalc calc1 = compiler.compileString(call.getArg(1));
            return new AbstractBooleanCalc(call, new Calc[] { calc0, calc1 }) {

                public boolean evaluateBoolean(Evaluator evaluator) {
                    final String b0 = calc0.evaluateString(evaluator);
                    final String b1 = calc1.evaluateString(evaluator);
                    if (b0 == null || b1 == null) {
                        return BooleanNull;
                    }
                    return !b0.equals(b1);
                }
            };
        }
    });
    // <Numeric Expression> <> <Numeric Expression>
    builder.define(new FunDefBase("<>", "Returns whether two expressions are not equal.", "ibnn") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final DoubleCalc calc0 = compiler.compileDouble(call.getArg(0));
            final DoubleCalc calc1 = compiler.compileDouble(call.getArg(1));
            return new AbstractBooleanCalc(call, new Calc[] { calc0, calc1 }) {

                public boolean evaluateBoolean(Evaluator evaluator) {
                    final double v0 = calc0.evaluateDouble(evaluator);
                    final double v1 = calc1.evaluateDouble(evaluator);
                    if (Double.isNaN(v0) || Double.isNaN(v1) || v0 == DoubleNull || v1 == DoubleNull) {
                        return BooleanNull;
                    }
                    return v0 != v1;
                }
            };
        }
    });
    // <Numeric Expression> < <Numeric Expression>
    builder.define(new FunDefBase("<", "Returns whether an expression is less than another.", "ibnn") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final DoubleCalc calc0 = compiler.compileDouble(call.getArg(0));
            final DoubleCalc calc1 = compiler.compileDouble(call.getArg(1));
            return new AbstractBooleanCalc(call, new Calc[] { calc0, calc1 }) {

                public boolean evaluateBoolean(Evaluator evaluator) {
                    final double v0 = calc0.evaluateDouble(evaluator);
                    final double v1 = calc1.evaluateDouble(evaluator);
                    if (Double.isNaN(v0) || Double.isNaN(v1) || v0 == DoubleNull || v1 == DoubleNull) {
                        return BooleanNull;
                    }
                    return v0 < v1;
                }
            };
        }
    });
    // <String Expression> < <String Expression>
    builder.define(new FunDefBase("<", "Returns whether an expression is less than another.", "ibSS") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final StringCalc calc0 = compiler.compileString(call.getArg(0));
            final StringCalc calc1 = compiler.compileString(call.getArg(1));
            return new AbstractBooleanCalc(call, new Calc[] { calc0, calc1 }) {

                public boolean evaluateBoolean(Evaluator evaluator) {
                    final String b0 = calc0.evaluateString(evaluator);
                    final String b1 = calc1.evaluateString(evaluator);
                    if (b0 == null || b1 == null) {
                        return BooleanNull;
                    }
                    return b0.compareTo(b1) < 0;
                }
            };
        }
    });
    // <Numeric Expression> <= <Numeric Expression>
    builder.define(new FunDefBase("<=", "Returns whether an expression is less than or equal to another.", "ibnn") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final DoubleCalc calc0 = compiler.compileDouble(call.getArg(0));
            final DoubleCalc calc1 = compiler.compileDouble(call.getArg(1));
            return new AbstractBooleanCalc(call, new Calc[] { calc0, calc1 }) {

                public boolean evaluateBoolean(Evaluator evaluator) {
                    final double v0 = calc0.evaluateDouble(evaluator);
                    final double v1 = calc1.evaluateDouble(evaluator);
                    if (Double.isNaN(v0) || Double.isNaN(v1) || v0 == DoubleNull || v1 == DoubleNull) {
                        return BooleanNull;
                    }
                    return v0 <= v1;
                }
            };
        }
    });
    // <String Expression> <= <String Expression>
    builder.define(new FunDefBase("<=", "Returns whether an expression is less than or equal to another.", "ibSS") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final StringCalc calc0 = compiler.compileString(call.getArg(0));
            final StringCalc calc1 = compiler.compileString(call.getArg(1));
            return new AbstractBooleanCalc(call, new Calc[] { calc0, calc1 }) {

                public boolean evaluateBoolean(Evaluator evaluator) {
                    final String b0 = calc0.evaluateString(evaluator);
                    final String b1 = calc1.evaluateString(evaluator);
                    if (b0 == null || b1 == null) {
                        return BooleanNull;
                    }
                    return b0.compareTo(b1) <= 0;
                }
            };
        }
    });
    // <Numeric Expression> > <Numeric Expression>
    builder.define(new FunDefBase(">", "Returns whether an expression is greater than another.", "ibnn") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final DoubleCalc calc0 = compiler.compileDouble(call.getArg(0));
            final DoubleCalc calc1 = compiler.compileDouble(call.getArg(1));
            return new AbstractBooleanCalc(call, new Calc[] { calc0, calc1 }) {

                public boolean evaluateBoolean(Evaluator evaluator) {
                    final double v0 = calc0.evaluateDouble(evaluator);
                    final double v1 = calc1.evaluateDouble(evaluator);
                    if (Double.isNaN(v0) || Double.isNaN(v1) || v0 == DoubleNull || v1 == DoubleNull) {
                        return BooleanNull;
                    }
                    return v0 > v1;
                }
            };
        }
    });
    // <String Expression> > <String Expression>
    builder.define(new FunDefBase(">", "Returns whether an expression is greater than another.", "ibSS") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final StringCalc calc0 = compiler.compileString(call.getArg(0));
            final StringCalc calc1 = compiler.compileString(call.getArg(1));
            return new AbstractBooleanCalc(call, new Calc[] { calc0, calc1 }) {

                public boolean evaluateBoolean(Evaluator evaluator) {
                    final String b0 = calc0.evaluateString(evaluator);
                    final String b1 = calc1.evaluateString(evaluator);
                    if (b0 == null || b1 == null) {
                        return BooleanNull;
                    }
                    return b0.compareTo(b1) > 0;
                }
            };
        }
    });
    // <Numeric Expression> >= <Numeric Expression>
    builder.define(new FunDefBase(">=", "Returns whether an expression is greater than or equal to another.", "ibnn") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final DoubleCalc calc0 = compiler.compileDouble(call.getArg(0));
            final DoubleCalc calc1 = compiler.compileDouble(call.getArg(1));
            return new AbstractBooleanCalc(call, new Calc[] { calc0, calc1 }) {

                public boolean evaluateBoolean(Evaluator evaluator) {
                    final double v0 = calc0.evaluateDouble(evaluator);
                    final double v1 = calc1.evaluateDouble(evaluator);
                    if (Double.isNaN(v0) || Double.isNaN(v1) || v0 == DoubleNull || v1 == DoubleNull) {
                        return BooleanNull;
                    }
                    return v0 >= v1;
                }
            };
        }
    });
    // <String Expression> >= <String Expression>
    builder.define(new FunDefBase(">=", "Returns whether an expression is greater than or equal to another.", "ibSS") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final StringCalc calc0 = compiler.compileString(call.getArg(0));
            final StringCalc calc1 = compiler.compileString(call.getArg(1));
            return new AbstractBooleanCalc(call, new Calc[] { calc0, calc1 }) {

                public boolean evaluateBoolean(Evaluator evaluator) {
                    final String b0 = calc0.evaluateString(evaluator);
                    final String b1 = calc1.evaluateString(evaluator);
                    if (b0 == null || b1 == null) {
                        return BooleanNull;
                    }
                    return b0.compareTo(b1) >= 0;
                }
            };
        }
    });
    // NON-STANDARD FUNCTIONS
    builder.define(NthQuartileFunDef.FirstQResolver);
    builder.define(NthQuartileFunDef.ThirdQResolver);
    builder.define(CalculatedChildFunDef.instance);
    builder.define(CachedExistsFunDef.instance);
    builder.define(CastFunDef.Resolver);
    // UCase(<String Expression>)
    builder.define(new FunDefBase("UCase", "Returns a string that has been converted to uppercase", "fSS") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final Locale locale = compiler.getEvaluator().getConnectionLocale();
            final StringCalc stringCalc = compiler.compileString(call.getArg(0));
            if (stringCalc.getType().getClass().equals(NullType.class)) {
                throw newEvalException(this, "No method with the signature UCase(NULL) matches known functions.");
            }
            return new AbstractStringCalc(call, new Calc[] { stringCalc }) {

                public String evaluateString(Evaluator evaluator) {
                    String value = stringCalc.evaluateString(evaluator);
                    return value.toUpperCase(locale);
                }
            };
        }
    });
    // Len(<String Expression>)
    builder.define(new FunDefBase("Len", "Returns the number of characters in a string", "fnS") {

        public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
            final StringCalc stringCalc = compiler.compileString(call.getArg(0));
            return new AbstractIntegerCalc(call, new Calc[] { stringCalc }) {

                public int evaluateInteger(Evaluator evaluator) {
                    String value = stringCalc.evaluateString(evaluator);
                    if (value == null) {
                        return 0;
                    }
                    return value.length();
                }
            };
        }
    });
    // Define VBA functions.
    for (FunDef funDef : JavaFunDef.scan(Vba.class)) {
        builder.define(funDef);
    }
    // Define Excel functions.
    for (FunDef funDef : JavaFunDef.scan(Excel.class)) {
        builder.define(funDef);
    }
}