// Gets the overloads for SortByColumns function for the specified arity.
private IEnumerable <TexlStrings.StringGetter[]> GetOverloadsSortByColumns(int arity)
{
Contracts.Assert(3 < arity);
const int OverloadCount = 2;
var overloads = new List <TexlStrings.StringGetter[]>(OverloadCount);
// Limit the argCount avoiding potential OOM
int argCount = arity > SignatureConstraint.RepeatTopLength ? SignatureConstraint.RepeatTopLength : arity;
for (int ioverload = 0; ioverload < OverloadCount; ioverload++)
{
int iArgCount = argCount + ioverload;
var overload = new TexlStrings.StringGetter[iArgCount];
overload[0] = TexlStrings.SortByColumnsArg1;
for (int iarg = 1; iarg < iArgCount; iarg += 2)
{
overload[iarg] = TexlStrings.SortByColumnsArg2;
if (iarg < iArgCount - 1)
{
overload[iarg + 1] = TexlStrings.SortByColumnsArg3;
}
}
overloads.Add(overload);
}
return(new ReadOnlyCollection <TexlStrings.StringGetter[]>(overloads));
}
public ExtractDateTimeFunctionBase(string name, TexlStrings.StringGetter description, FunctionCategories fc, DType returnType, BigInteger maskLambdas, int arityMin, int arityMax, params DType[] paramTypes)
: base(name, description, fc, returnType, maskLambdas, arityMin, arityMax, paramTypes)
{
Contracts.Assert(arityMin == 1);
Contracts.Assert(arityMax == 1);
Contracts.Assert(paramTypes[0] == DType.DateTime);
}
// Gets the overloads for the AddColumns function for the specified arity.
private IEnumerable <TexlStrings.StringGetter[]> GetOverloadsAddColumns(int arity)
{
Contracts.Assert(4 <= arity);
const int OverloadCount = 2;
// REVIEW ragru: cache these and enumerate from the cache...
var overloads = new List <TexlStrings.StringGetter[]>(OverloadCount);
// Limit the argCount avoiding potential OOM
int argCount = arity > SignatureConstraint.RepeatTopLength ? SignatureConstraint.RepeatTopLength : arity;
for (int ioverload = 0; ioverload < OverloadCount; ioverload++)
{
int iArgCount = (argCount | 1) + ioverload * 2;
var overload = new TexlStrings.StringGetter[iArgCount];
overload[0] = TexlStrings.AddColumnsArg1;
for (int iarg = 1; iarg < iArgCount; iarg += 2)
{
overload[iarg] = TexlStrings.AddColumnsArg2;
overload[iarg + 1] = TexlStrings.AddColumnsArg3;
}
overloads.Add(overload);
}
return(new ReadOnlyCollection <TexlStrings.StringGetter[]>(overloads));
}
// Gets the overloads for the If function for the specified arity.
// If is special because it doesn't have a small number of overloads
// since its max arity is int.MaxSize.
private IEnumerable <TexlStrings.StringGetter[]> GetOverloadsIf(int arity)
{
Contracts.Assert(3 <= arity);
// REVIEW ragru: What should be the number of overloads for functions like these?
// Once we decide should we just hardcode the number instead of having the outer loop?
const int OverloadCount = 3;
var overloads = new List <TexlStrings.StringGetter[]>(OverloadCount);
// Limit the argCount avoiding potential OOM
int argCount = arity > SignatureConstraint.RepeatTopLength ? SignatureConstraint.RepeatTopLength + (arity & 1) : arity;
for (int ioverload = 0; ioverload < OverloadCount; ioverload++)
{
var signature = new TexlStrings.StringGetter[argCount];
bool fOdd = (argCount & 1) != 0;
int cargCur = fOdd ? argCount - 1 : argCount;
for (int iarg = 0; iarg < cargCur; iarg += 2)
{
signature[iarg] = TexlStrings.IfArgCond;
signature[iarg + 1] = TexlStrings.IfArgTrueValue;
}
if (fOdd)
{
signature[cargCur] = TexlStrings.IfArgElseValue;
}
argCount++;
overloads.Add(signature);
}
return(new ReadOnlyCollection <TexlStrings.StringGetter[]>(overloads));
}
// Return all signatures for switch function with at most 'arity' parameters.
public override IEnumerable<TexlStrings.StringGetter[]> GetSignatures(int arity)
{
if (arity < 5)
{
return base.GetSignatures(arity);
}
// Limit the argCount avoiding potential OOM
int argCount = arity > SignatureConstraint.RepeatTopLength ? SignatureConstraint.RepeatTopLength + (arity & 1 ^ 1) : arity;
var signature = new TexlStrings.StringGetter[argCount];
bool fEven = (argCount & 1) == 0;
int cargCur = fEven ? argCount - 1 : argCount;
signature[0] = TexlStrings.SwitchExpression;
for (int iarg = 1; iarg < cargCur; iarg += 2)
{
signature[iarg] = TexlStrings.SwitchCaseExpr;
signature[iarg + 1] = TexlStrings.SwitchCaseArg;
}
if (fEven)
signature[cargCur] = TexlStrings.SwitchDefaultReturn;
return new ReadOnlyCollection<TexlStrings.StringGetter[]>(new[] { signature });
}
public ClockFunction(string functionInvariantName, TexlStrings.StringGetter functionDescription)
: base(new DPath().Append(new DName(LanguageConstants.InvariantClockNamespace)), functionInvariantName, functionDescription, FunctionCategories.DateTime, DType.CreateTable(new TypedName(DType.String, new DName("Value"))), 0, 0, 0)
{
}
public ScalarRoundingFunction(string name, TexlStrings.StringGetter description)
: base(name, description, FunctionCategories.MathAndStat, DType.Number, 0, 2, 2, DType.Number, DType.Number)
{
}
public IsBlankFunctionBase(string name, TexlStrings.StringGetter description, FunctionCategories functionCategories, DType returnType, BigInteger maskLambdas, int arityMin, int arityMax)
: base(name, description, functionCategories, returnType, maskLambdas, arityMin, arityMax)
{
}
public MathOneArgFunction(string name, TexlStrings.StringGetter description, FunctionCategories fc)
: base(name, description, fc, DType.Number, 0, 1, 1, DType.Number)
{
}
public MathOneArgTableFunction(string name, TexlStrings.StringGetter description, FunctionCategories fc)
: base(name, description, fc, DType.EmptyTable, 0, 1, 1, DType.EmptyTable)
{
}
public BuiltinFunction(DPath theNamespace, string name, TexlStrings.StringGetter description, FunctionCategories functionCategories, DType returnType, BigInteger maskLambdas, int arityMin, int arityMax, params DType[] paramTypes)
: this(theNamespace, name, /*localeSpecificName*/ string.Empty, description, functionCategories, returnType, maskLambdas, arityMin, arityMax, paramTypes)
{
}
public TableRoundingFunction(string name, TexlStrings.StringGetter description)
: base(name, description, FunctionCategories.Table, DType.EmptyTable, 0, 2, 2)
{
}
public StringOneArgFunction(string name, TexlStrings.StringGetter description, FunctionCategories functionCategories, DType returnType)
: base(name, description, functionCategories, returnType, 0, 1, 1, DType.String)
{
}
protected DateTimeGenericFunction(string name, TexlStrings.StringGetter description, DType returnType)
: base(name, description, FunctionCategories.DateTime, returnType, 0, 1, 2, DType.String, DType.String)
{
}
public StringTwoArgFunction(string name, TexlStrings.StringGetter description)
: this(name, description, DType.Boolean)
{
}
public StatisticalFunction(string name, TexlStrings.StringGetter description, FunctionCategories fc)
: base(name, description, fc, DType.Number, 0, 1, int.MaxValue, DType.Number)
{
}
public FunctionWithTableInput(string name, TexlStrings.StringGetter description, FunctionCategories fc, DType returnType, BigInteger maskLambdas, int arityMin, int arityMax, params DType[] paramTypes)
: this(DPath.Root, name, description, fc, returnType, maskLambdas, arityMin, arityMax, paramTypes)
{
}
public FilterFunctionBase(string name, TexlStrings.StringGetter description, FunctionCategories fc, DType returnType, BigInteger maskLambdas, int arityMin, int arityMax, params DType[] paramTypes)
: base(name, description, fc, returnType, maskLambdas, arityMin, arityMax, paramTypes)
{
}
public BuiltinFunction(string name, string localeSpecificName, TexlStrings.StringGetter description, FunctionCategories functionCategories, DType returnType, BigInteger maskLambdas, int arityMin, int arityMax, params DType[] paramTypes)
: this(DPath.Root, name, localeSpecificName, description, functionCategories, returnType, maskLambdas, arityMin, arityMax, paramTypes)
{
}
public StringTwoArgFunction(string name, TexlStrings.StringGetter description, DType returnType)
: base(name, description, FunctionCategories.Text, returnType, 0, 2, 2, DType.String, DType.String)
{
}
public StatisticalTableFunction(string name, TexlStrings.StringGetter description, FunctionCategories fc)
: base(name, description, fc, DType.Number, 0x02, 2, 2, DType.EmptyTable, DType.Number)
{
ScopeInfo = new FunctionScopeInfo(this, usesAllFieldsInScope: false, acceptsLiteralPredicates: false);
}
