static BinaryOperatorEasyOut()
{
const OperandType ERR = OperandType.Error;
const OperandType OBJ = OperandType.Object;
const OperandType INT = OperandType.Int;
const OperandType UIN = OperandType.UInt;
const OperandType LNG = OperandType.Long;
const OperandType ULG = OperandType.ULong;
const OperandType FLT = OperandType.Float;
const OperandType DBL = OperandType.Double;
const OperandType DEC = OperandType.Decimal;
const OperandType BOL = OperandType.Bool;
// Overload resolution for Y * / - % < > <= >= X
OperandType[,] arithmetic =
{
// bool chr i08 i16 i32 i64 u08 u16 u32 u64 r32 r64 dec
/* bool */ { ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR },
/* chr */ { ERR, INT, INT, INT, INT, LNG, INT, INT, UIN, ULG, FLT, DBL, DEC },
/* i08 */ { ERR, INT, INT, INT, INT, LNG, INT, INT, LNG, ERR, FLT, DBL, DEC },
/* i16 */ { ERR, INT, INT, INT, INT, LNG, INT, INT, LNG, ERR, FLT, DBL, DEC },
/* i32 */ { ERR, INT, INT, INT, INT, LNG, INT, INT, LNG, ERR, FLT, DBL, DEC },
/* i64 */ { ERR, LNG, LNG, LNG, LNG, LNG, LNG, LNG, LNG, ERR, FLT, DBL, DEC },
/* u08 */ { ERR, INT, INT, INT, INT, LNG, INT, INT, UIN, ULG, FLT, DBL, DEC },
/* u16 */ { ERR, INT, INT, INT, INT, LNG, INT, INT, UIN, ULG, FLT, DBL, DEC },
/* u32 */ { ERR, UIN, LNG, LNG, LNG, LNG, UIN, UIN, UIN, ULG, FLT, DBL, DEC },
/* u64 */ { ERR, ULG, ERR, ERR, ERR, ERR, ULG, ULG, ULG, ULG, FLT, DBL, DEC },
/* r32 */ { ERR, FLT, FLT, FLT, FLT, FLT, FLT, FLT, FLT, FLT, FLT, DBL, ERR },
/* r64 */ { ERR, DBL, DBL, DBL, DBL, DBL, DBL, DBL, DBL, DBL, DBL, DBL, ERR },
/* dec */ { ERR, DEC, DEC, DEC, DEC, DEC, DEC, DEC, DEC, DEC, ERR, ERR, DEC },
};
// Overload resolution for Y + X
OperandType[,] addition =
{
// bool chr i08 i16 i32 i64 u08 u16 u32 u64 r32 r64 dec
/* bool */ { ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR },
/* chr */ { ERR, INT, INT, INT, INT, LNG, INT, INT, UIN, ULG, FLT, DBL, DEC },
/* i08 */ { ERR, INT, INT, INT, INT, LNG, INT, INT, LNG, ERR, FLT, DBL, DEC },
/* i16 */ { ERR, INT, INT, INT, INT, LNG, INT, INT, LNG, ERR, FLT, DBL, DEC },
/* i32 */ { ERR, INT, INT, INT, INT, LNG, INT, INT, LNG, ERR, FLT, DBL, DEC },
/* i64 */ { ERR, LNG, LNG, LNG, LNG, LNG, LNG, LNG, LNG, ERR, FLT, DBL, DEC },
/* u08 */ { ERR, INT, INT, INT, INT, LNG, INT, INT, UIN, ULG, FLT, DBL, DEC },
/* u16 */ { ERR, INT, INT, INT, INT, LNG, INT, INT, UIN, ULG, FLT, DBL, DEC },
/* u32 */ { ERR, UIN, LNG, LNG, LNG, LNG, UIN, UIN, UIN, ULG, FLT, DBL, DEC },
/* u64 */ { ERR, ULG, ERR, ERR, ERR, ERR, ULG, ULG, ULG, ULG, FLT, DBL, DEC },
/* r32 */ { ERR, FLT, FLT, FLT, FLT, FLT, FLT, FLT, FLT, FLT, FLT, DBL, ERR },
/* r64 */ { ERR, DBL, DBL, DBL, DBL, DBL, DBL, DBL, DBL, DBL, DBL, DBL, ERR },
/* dec */ { ERR, DEC, DEC, DEC, DEC, DEC, DEC, DEC, DEC, DEC, ERR, ERR, DEC },
};
// Overload resolution for Y << >> X
OperandType[,] shift =
{
// bool chr i08 i16 i32 i64 u08 u16 u32 u64 r32 r64 dec
/* bool */ { ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR },
/* chr */ { ERR, INT, INT, INT, INT, ERR, INT, INT, ERR, ERR, ERR, ERR, ERR },
/* i08 */ { ERR, INT, INT, INT, INT, ERR, INT, INT, ERR, ERR, ERR, ERR, ERR },
/* i16 */ { ERR, INT, INT, INT, INT, ERR, INT, INT, ERR, ERR, ERR, ERR, ERR },
/* i32 */ { ERR, INT, INT, INT, INT, ERR, INT, INT, ERR, ERR, ERR, ERR, ERR },
/* i64 */ { ERR, LNG, LNG, LNG, LNG, ERR, LNG, LNG, ERR, ERR, ERR, ERR, ERR },
/* u08 */ { ERR, INT, INT, INT, INT, ERR, INT, INT, ERR, ERR, ERR, ERR, ERR },
/* u16 */ { ERR, INT, INT, INT, INT, ERR, INT, INT, ERR, ERR, ERR, ERR, ERR },
/* u32 */ { ERR, UIN, UIN, UIN, UIN, ERR, UIN, UIN, ERR, ERR, ERR, ERR, ERR },
/* u64 */ { ERR, ULG, ULG, ULG, ULG, ERR, ULG, ULG, ERR, ERR, ERR, ERR, ERR },
/* r32 */ { ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR },
/* r64 */ { ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR },
/* dec */ { ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR },
};
// Overload resolution for Y == != X
// Note that these are the overload resolution rules; overload resolution might pick an invalid operator.
// For example, overload resolution on object == decimal chooses the object/object overload, which then
// is not legal because decimal must be a reference type. But we don't know to give that error *until*
// overload resolution has chosen the reference equality operator.
OperandType[,] equality =
{
// bool chr i08 i16 i32 i64 u08 u16 u32 u64 r32 r64 dec
/* bool */ { BOL, OBJ, OBJ, OBJ, OBJ, OBJ, OBJ, OBJ, OBJ, OBJ, OBJ, OBJ, OBJ },
/* chr */ { OBJ, INT, INT, INT, INT, LNG, INT, INT, UIN, ULG, FLT, DBL, DEC },
/* i08 */ { OBJ, INT, INT, INT, INT, LNG, INT, INT, LNG, ERR, FLT, DBL, DEC },
/* i16 */ { OBJ, INT, INT, INT, INT, LNG, INT, INT, LNG, ERR, FLT, DBL, DEC },
/* i32 */ { OBJ, INT, INT, INT, INT, LNG, INT, INT, LNG, ERR, FLT, DBL, DEC },
/* i64 */ { OBJ, LNG, LNG, LNG, LNG, LNG, LNG, LNG, LNG, ERR, FLT, DBL, DEC },
/* u08 */ { OBJ, INT, INT, INT, INT, LNG, INT, INT, UIN, ULG, FLT, DBL, DEC },
/* u16 */ { OBJ, INT, INT, INT, INT, LNG, INT, INT, UIN, ULG, FLT, DBL, DEC },
/* u32 */ { OBJ, UIN, LNG, LNG, LNG, LNG, UIN, UIN, UIN, ULG, FLT, DBL, DEC },
/* u64 */ { OBJ, ULG, ERR, ERR, ERR, ERR, ULG, ULG, ULG, ULG, FLT, DBL, DEC },
/* r32 */ { OBJ, FLT, FLT, FLT, FLT, FLT, FLT, FLT, FLT, FLT, FLT, DBL, OBJ },
/* r64 */ { OBJ, DBL, DBL, DBL, DBL, DBL, DBL, DBL, DBL, DBL, DBL, DBL, OBJ },
/* dec */ { OBJ, DEC, DEC, DEC, DEC, DEC, DEC, DEC, DEC, DEC, OBJ, OBJ, DEC },
};
// Overload resolution for Y | & ^ || && X
OperandType[,] logical =
{
// bool chr i08 i16 i32 i64 u08 u16 u32 u64 r32 r64 dec
/* bool */ { BOL, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR },
/* chr */ { ERR, INT, INT, INT, INT, LNG, INT, INT, UIN, ULG, ERR, ERR, ERR },
/* i08 */ { ERR, INT, INT, INT, INT, LNG, INT, INT, LNG, ERR, ERR, ERR, ERR },
/* i16 */ { ERR, INT, INT, INT, INT, LNG, INT, INT, LNG, ERR, ERR, ERR, ERR },
/* i32 */ { ERR, INT, INT, INT, INT, LNG, INT, INT, LNG, ERR, ERR, ERR, ERR },
/* i64 */ { ERR, LNG, LNG, LNG, LNG, LNG, LNG, LNG, LNG, ERR, ERR, ERR, ERR },
/* u08 */ { ERR, INT, INT, INT, INT, LNG, INT, INT, UIN, ULG, ERR, ERR, ERR },
/* u16 */ { ERR, INT, INT, INT, INT, LNG, INT, INT, UIN, ULG, ERR, ERR, ERR },
/* u32 */ { ERR, UIN, LNG, LNG, LNG, LNG, UIN, UIN, UIN, ULG, ERR, ERR, ERR },
/* u64 */ { ERR, ULG, ERR, ERR, ERR, ERR, ULG, ULG, ULG, ULG, ERR, ERR, ERR },
/* r32 */ { ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR },
/* r64 */ { ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR },
/* dec */ { ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR },
};
var ops = (BinaryOperatorKind[])Enum.GetValues(typeof(BinaryOperatorKind));
s_binOp = new BinaryOperatorSymbol[ops.Length][, ];
s_binOp[(int)BinaryOperatorKind.Error] = new BinaryOperatorSymbol[28, 28];
for (int i = 0; i < 28; i++)
{
for (int j = 0; j < 28; j++)
{
s_binOp[(int)BinaryOperatorKind.Error][i, j] = BinaryOperatorSymbol.Create(BinaryOperatorKind.Error, OperandType.Error);
}
}
for (int i = ((int)BinaryOperatorKind.Error) + 1; i < ops.Length; i++)
{
s_binOp[i] = s_binOp[(int)BinaryOperatorKind.Error];
}
Func <BinaryOperatorKind, OperandType[, ], BinaryOperatorSymbol[, ]> expandTable = (k, x) =>
{
var res = new BinaryOperatorSymbol[28, 28];
for (int i = 0; i < 13; i++)
{
for (int j = 0; j < 13; j++)
{
var t = x[i, j];
var nt = OperandTypeHelper.IsNullable(t + OperandTypeHelper.NullableDelta) ? t + OperandTypeHelper.NullableDelta : t;
res[i + 2, j + 2] = BinaryOperatorSymbol.Create(k, t);
res[i + 2 + 13, j + 2] = BinaryOperatorSymbol.Create(k, nt);
res[i + 2, j + 2 + 13] = BinaryOperatorSymbol.Create(k, nt);
res[i + 2 + 13, j + 2 + 13] = BinaryOperatorSymbol.Create(k, nt);
}
}
bool eq = k == BinaryOperatorKind.Equal || k == BinaryOperatorKind.NotEqual || k == BinaryOperatorKind.ExactEqual;
bool add = k == BinaryOperatorKind.Addition;
var op_o = eq ?
BinaryOperatorSymbol.Create(k, OperandType.Object)
: BinaryOperatorSymbol.Create(BinaryOperatorKind.Error, OperandType.Error);
var op_ss = (eq || add) ? BinaryOperatorSymbol.Create(k, OperandType.String) : op_o;
var op_so = (eq || add) ? BinaryOperatorSymbol.Create(k, OperandType.StringAndObject) : op_o;
var op_os = (eq || add) ? BinaryOperatorSymbol.Create(k, OperandType.ObjectAndString) : op_o;
for (int i = 0; i < 28; i++)
{
if (i == 1)
{
// str
res[1, 1] = op_ss;
}
else
{
// obj
res[0, i] = op_o;
res[i, 0] = op_o;
// str
res[1, i] = op_so;
res[i, 1] = op_os;
}
}
return(res);
};
var tables = new[] { arithmetic, addition, shift, equality, logical };
Func <BinaryOperatorKind, int> tableIndex = k =>
{
if (k == BinaryOperatorKind.Multiplication || k == BinaryOperatorKind.Subtraction || k == BinaryOperatorKind.Division ||
k == BinaryOperatorKind.Remainder || k == BinaryOperatorKind.Exponent)
{
return(0);
}
if (k == BinaryOperatorKind.Addition)
{
return(1);
}
if (k == BinaryOperatorKind.LeftShift || k == BinaryOperatorKind.RightShift)
{
return(2);
}
if (k == BinaryOperatorKind.Equal || k == BinaryOperatorKind.NotEqual || k == BinaryOperatorKind.ExactEqual)
{
return(3);
}
if (k == BinaryOperatorKind.GreaterThan || k == BinaryOperatorKind.LessThan || k == BinaryOperatorKind.GreaterThanOrEqual ||
k == BinaryOperatorKind.LessThanOrEqual || k == BinaryOperatorKind.And || k == BinaryOperatorKind.Xor ||
k == BinaryOperatorKind.Or)
{
return(4);
}
if (k == BinaryOperatorKind.Substr || k == BinaryOperatorKind.DefaultValue)
{
return(-1);
}
return(-1);
};
for (int i = ((int)BinaryOperatorKind.Error) + 1; i < ops.Length; i++)
{
var k = (BinaryOperatorKind)i;
var ti = tableIndex(k);
if (ti >= 0)
{
s_binOp[i] = expandTable(k, tables[ti]);
}
}
}
static UnaryOperatorEasyOut()
{
const OperandType ERR = OperandType.Error;
const OperandType BOL = OperandType.Bool;
const OperandType CHR = OperandType.Char;
const OperandType I08 = OperandType.SByte;
const OperandType U08 = OperandType.Byte;
const OperandType I16 = OperandType.Short;
const OperandType U16 = OperandType.UShort;
const OperandType I32 = OperandType.Int;
const OperandType U32 = OperandType.UInt;
const OperandType I64 = OperandType.Long;
const OperandType U64 = OperandType.ULong;
const OperandType R32 = OperandType.Float;
const OperandType R64 = OperandType.Double;
const OperandType DEC = OperandType.Decimal;
OperandType[] increment =
//bool chr i08 i16 i32 i64 u08 u16 u32 u64 r32 r64 dec
{ ERR, CHR, I08, I16, I32, I64, U08, U16, U32, U64, R32, R64, DEC };
OperandType[] plus =
//bool chr i08 i16 i32 i64 u08 u16 u32 u64 r32 r64 dec
{ ERR, I32, I32, I32, I32, I64, I32, I32, U32, U64, R32, R64, DEC };
OperandType[] minus =
//bool chr i08 i16 i32 i64 u08 u16 u32 u64 r32 r64 dec
{ ERR, I32, I32, I32, I32, I64, I32, I32, I64, ERR, R32, R64, DEC };
OperandType[] logicalNegation =
//bool chr i08 i16 i32 i64 u08 u16 u32 u64 r32 r64 dec
{ BOL, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR };
OperandType[] bitwiseComplement =
//bool chr i08 i16 i32 i64 u08 u16 u32 u64 r32 r64 dec
{ ERR, I32, I32, I32, I32, I64, I32, I32, U32, U64, ERR, ERR, ERR };
var ops = (UnaryOperatorKind[])Enum.GetValues(typeof(UnaryOperatorKind));
s_unOp = new UnaryOperatorSymbol[ops.Length][];
s_unOp[(int)UnaryOperatorKind.Error] = new UnaryOperatorSymbol[28];
for (int i = 0; i < 28; i++)
{
s_unOp[(int)UnaryOperatorKind.Error][i] = UnaryOperatorSymbol.Create(UnaryOperatorKind.Error, OperandType.Error);
}
for (int i = ((int)UnaryOperatorKind.Error) + 1; i < ops.Length; i++)
{
s_unOp[i] = s_unOp[(int)UnaryOperatorKind.Error];
}
Func <UnaryOperatorKind, OperandType[], UnaryOperatorSymbol[]> expandTable = (k, x) =>
{
var res = new UnaryOperatorSymbol[28];
for (int i = 0; i < 13; i++)
{
var t = x[i];
var nt = OperandTypeHelper.IsNullable(t + OperandTypeHelper.NullableDelta) ? t + OperandTypeHelper.NullableDelta : t;
res[i + 2] = UnaryOperatorSymbol.Create(k, t);
res[i + 2 + 13] = UnaryOperatorSymbol.Create(k, nt);
}
return(res);
};
var tables = new[] { increment, plus, minus, logicalNegation, bitwiseComplement };
Func <UnaryOperatorKind, int> tableIndex = k =>
{
if (k == UnaryOperatorKind.Increment || k == UnaryOperatorKind.Decrement)
{
return(0);
}
if (k == UnaryOperatorKind.UnaryPlus)
{
return(1);
}
if (k == UnaryOperatorKind.UnaryMinus)
{
return(2);
}
if (k == UnaryOperatorKind.LogicalNegation)
{
return(3);
}
if (k == UnaryOperatorKind.BitwiseComplement)
{
return(4);
}
return(-1);
};
for (int i = ((int)UnaryOperatorKind.Error) + 1; i < ops.Length; i++)
{
var k = (UnaryOperatorKind)i;
var ti = tableIndex(k);
if (ti >= 0)
{
s_unOp[i] = expandTable(k, tables[ti]);
}
}
}