switch (oper){
case Binary.Operator.BitwiseOr:
//
- // bool? operator &(bool? x, bool? y);
+ // bool? operator |(bool? x, bool? y);
//
if ((lt.BuiltinType == BuiltinTypeSpec.Type.Bool && right is NullLiteral) ||
(rt.BuiltinType == BuiltinTypeSpec.Type.Bool && left is NullLiteral)) {
- var b = new Nullable.LiftedBinaryOperator (oper, left, right).Resolve (ec);
+ var b = new Binary (oper, left, right).ResolveOperator (ec);
// false | null => null
// null | false => null
//
if ((lt.BuiltinType == BuiltinTypeSpec.Type.Bool && right is NullLiteral) ||
(rt.BuiltinType == BuiltinTypeSpec.Type.Bool && left is NullLiteral)) {
- var b = new Nullable.LiftedBinaryOperator (oper, left, right).Resolve (ec);
+ var b = new Binary (oper, left, right).ResolveOperator (ec);
// false & null => false
// null & false => false
break;
case Binary.Operator.Addition:
- if (lt == InternalType.NullLiteral)
- return right;
-
- if (rt == InternalType.NullLiteral)
- return left;
-
//
- // If both sides are strings, then concatenate, if
- // one is a string, and the other is not, then defer
- // to runtime concatenation
+ // If both sides are strings, then concatenate
+ //
+ // string operator + (string x, string y)
//
if (lt.BuiltinType == BuiltinTypeSpec.Type.String || rt.BuiltinType == BuiltinTypeSpec.Type.String){
if (lt == rt)
return new StringConstant (ec.BuiltinTypes, (string)left.GetValue () + (string)right.GetValue (),
left.Location);
-
+
+ if (lt == InternalType.NullLiteral || left.IsNull)
+ return new StringConstant (ec.BuiltinTypes, "" + right.GetValue (), left.Location);
+
+ if (rt == InternalType.NullLiteral || right.IsNull)
+ return new StringConstant (ec.BuiltinTypes, left.GetValue () + "", left.Location);
+
return null;
}
+ //
+ // string operator + (string x, object y)
+ //
+ if (lt == InternalType.NullLiteral) {
+ if (rt.BuiltinType == BuiltinTypeSpec.Type.Object)
+ return new StringConstant (ec.BuiltinTypes, "" + right.GetValue (), left.Location);
+
+ if (lt == rt) {
+ ec.Report.Error (34, loc, "Operator `{0}' is ambiguous on operands of type `{1}' and `{2}'",
+ "+", lt.GetSignatureForError (), rt.GetSignatureForError ());
+ return null;
+ }
+
+ return right;
+ }
+
+ //
+ // string operator + (object x, string y)
+ //
+ if (rt == InternalType.NullLiteral) {
+ if (lt.BuiltinType == BuiltinTypeSpec.Type.Object)
+ return new StringConstant (ec.BuiltinTypes, right.GetValue () + "", left.Location);
+
+ return left;
+ }
+
//
// handle "E operator + (E x, U y)"
// handle "E operator + (Y y, E x)"
return null;
result = result.Reduce (ec, lt);
- if (result == null)
- return null;
+ if (result == null || lt.IsEnum)
+ return result;
return new EnumConstant (result, lt);
}
return new DoubleConstant (ec.BuiltinTypes, res, left.Location);
}
if (left is FloatConstant){
- float res;
-
+ double a, b, res;
+ a = ((FloatConstant) left).DoubleValue;
+ b = ((FloatConstant) right).DoubleValue;
+
if (ec.ConstantCheckState)
- res = checked (((FloatConstant) left).Value +
- ((FloatConstant) right).Value);
+ res = checked (a + b);
else
- res = unchecked (((FloatConstant) left).Value +
- ((FloatConstant) right).Value);
+ res = unchecked (a + b);
result = new FloatConstant (ec.BuiltinTypes, res, left.Location);
} else if (left is ULongConstant){
//
lc = left as EnumConstant;
rc = right as EnumConstant;
- if (lc != null || rc != null){
+ if (lc != null || rc != null) {
+ TypeSpec res_type;
if (lc == null) {
- lc = rc;
- lt = lc.Type;
- right = left;
- }
+ res_type = right.Type;
- // U has to be implicitly convetible to E.base
- right = right.ConvertImplicitly (lc.Child.Type);
- if (right == null)
- return null;
+ // Y has to be implicitly convertible to E.base
+ left = left.ConvertImplicitly (rc.Child.Type);
+ if (left == null)
+ return null;
- result = BinaryFold (ec, oper, lc.Child, right, loc);
+ right = rc.Child;
+ } else {
+ res_type = left.Type;
+
+ // U has to be implicitly convertible to E.base
+ right = right.ConvertImplicitly (lc.Child.Type);
+ if (right == null)
+ return null;
+
+ left = lc.Child;
+ }
+
+ result = BinaryFold (ec, oper, left, right, loc);
if (result == null)
return null;
- result = result.Reduce (ec, lt);
+ result = result.Reduce (ec, res_type);
if (result == null)
return null;
- return new EnumConstant (result, lt);
+ return new EnumConstant (result, res_type);
}
if (left is NullLiteral && right is NullLiteral) {
var lifted_int = new Nullable.NullableType (ec.BuiltinTypes.Int, loc);
lifted_int.ResolveAsType (ec);
- return (Constant) new Nullable.LiftedBinaryOperator (oper, lifted_int, right).Resolve (ec);
+ return (Constant) new Binary (oper, lifted_int, right).ResolveOperator (ec);
}
if (!DoBinaryNumericPromotions (ec, ref left, ref right))
result = new DoubleConstant (ec.BuiltinTypes, res, left.Location);
} else if (left is FloatConstant){
- float res;
-
+ double a, b, res;
+ a = ((FloatConstant) left).DoubleValue;
+ b = ((FloatConstant) right).DoubleValue;
+
if (ec.ConstantCheckState)
- res = checked (((FloatConstant) left).Value -
- ((FloatConstant) right).Value);
+ res = checked (a - b);
else
- res = unchecked (((FloatConstant) left).Value -
- ((FloatConstant) right).Value);
+ res = unchecked (a - b);
result = new FloatConstant (ec.BuiltinTypes, res, left.Location);
} else if (left is ULongConstant){
if (left is NullLiteral && right is NullLiteral) {
var lifted_int = new Nullable.NullableType (ec.BuiltinTypes.Int, loc);
lifted_int.ResolveAsType (ec);
- return (Constant) new Nullable.LiftedBinaryOperator (oper, lifted_int, right).Resolve (ec);
+ return (Constant) new Binary (oper, lifted_int, right).ResolveOperator (ec);
}
if (!DoBinaryNumericPromotions (ec, ref left, ref right))
return new DoubleConstant (ec.BuiltinTypes, res, left.Location);
} else if (left is FloatConstant){
- float res;
-
+ double a, b, res;
+ a = ((FloatConstant) left).DoubleValue;
+ b = ((FloatConstant) right).DoubleValue;
+
if (ec.ConstantCheckState)
- res = checked (((FloatConstant) left).Value *
- ((FloatConstant) right).Value);
+ res = checked (a * b);
else
- res = unchecked (((FloatConstant) left).Value *
- ((FloatConstant) right).Value);
+ res = unchecked (a * b);
return new FloatConstant (ec.BuiltinTypes, res, left.Location);
} else if (left is ULongConstant){
if (left is NullLiteral && right is NullLiteral) {
var lifted_int = new Nullable.NullableType (ec.BuiltinTypes.Int, loc);
lifted_int.ResolveAsType (ec);
- return (Constant) new Nullable.LiftedBinaryOperator (oper, lifted_int, right).Resolve (ec);
+ return (Constant) new Binary (oper, lifted_int, right).ResolveOperator (ec);
}
if (!DoBinaryNumericPromotions (ec, ref left, ref right))
return new DoubleConstant (ec.BuiltinTypes, res, left.Location);
} else if (left is FloatConstant){
- float res;
-
+ double a, b, res;
+ a = ((FloatConstant) left).DoubleValue;
+ b = ((FloatConstant) right).DoubleValue;
+
if (ec.ConstantCheckState)
- res = checked (((FloatConstant) left).Value /
- ((FloatConstant) right).Value);
+ res = checked (a / b);
else
- res = unchecked (((FloatConstant) left).Value /
- ((FloatConstant) right).Value);
+ res = unchecked (a / b);
return new FloatConstant (ec.BuiltinTypes, res, left.Location);
} else if (left is ULongConstant){
if (left is NullLiteral && right is NullLiteral) {
var lifted_int = new Nullable.NullableType (ec.BuiltinTypes.Int, loc);
lifted_int.ResolveAsType (ec);
- return (Constant) new Nullable.LiftedBinaryOperator (oper, lifted_int, right).Resolve (ec);
+ return (Constant) new Binary (oper, lifted_int, right).ResolveOperator (ec);
}
if (!DoBinaryNumericPromotions (ec, ref left, ref right))
return new DoubleConstant (ec.BuiltinTypes, res, left.Location);
} else if (left is FloatConstant){
- float res;
+ double a, b, res;
+ a = ((FloatConstant) left).DoubleValue;
+ b = ((FloatConstant) right).DoubleValue;
if (ec.ConstantCheckState)
- res = checked (((FloatConstant) left).Value %
- ((FloatConstant) right).Value);
+ res = checked (a % b);
else
- res = unchecked (((FloatConstant) left).Value %
- ((FloatConstant) right).Value);
+ res = unchecked (a % b);
return new FloatConstant (ec.BuiltinTypes, res, left.Location);
} else if (left is ULongConstant){
((IntConstant) right).Value);
return new IntConstant (ec.BuiltinTypes, res, left.Location);
- } else {
- throw new Exception ( "Unexepected modulus input: " + left);
}
+
+ if (left is DecimalConstant) {
+ decimal res;
+
+ if (ec.ConstantCheckState)
+ res = checked (((DecimalConstant) left).Value %
+ ((DecimalConstant) right).Value);
+ else
+ res = unchecked (((DecimalConstant) left).Value %
+ ((DecimalConstant) right).Value);
+
+ return new DecimalConstant (ec.BuiltinTypes, res, left.Location);
+ }
+
+ throw new Exception ( "Unexepected modulus input: " + left);
} catch (DivideByZeroException){
ec.Report.Error (20, loc, "Division by constant zero");
} catch (OverflowException){
if (left is NullLiteral && right is NullLiteral) {
var lifted_int = new Nullable.NullableType (ec.BuiltinTypes.Int, loc);
lifted_int.ResolveAsType (ec);
- return (Constant) new Nullable.LiftedBinaryOperator (oper, lifted_int, right).Resolve (ec);
+ return (Constant) new Binary (oper, lifted_int, right).ResolveOperator (ec);
}
IntConstant ic = right.ConvertImplicitly (ec.BuiltinTypes.Int) as IntConstant;
if (ic == null){
- Binary.Error_OperatorCannotBeApplied (ec, left, right, oper, loc);
return null;
}
// null << value => null
if (left is NullLiteral)
- return (Constant) new Nullable.LiftedBinaryOperator (oper, left, right).Resolve (ec);
+ return (Constant) new Binary (oper, left, right).ResolveOperator (ec);
left = left.ConvertImplicitly (ec.BuiltinTypes.Int);
if (left.Type.BuiltinType == BuiltinTypeSpec.Type.Int)
return new IntConstant (ec.BuiltinTypes, ((IntConstant) left).Value << lshift_val, left.Location);
- Binary.Error_OperatorCannotBeApplied (ec, left, right, oper, loc);
- break;
+ return null;
//
// There is no overflow checking on right shift
if (left is NullLiteral && right is NullLiteral) {
var lifted_int = new Nullable.NullableType (ec.BuiltinTypes.Int, loc);
lifted_int.ResolveAsType (ec);
- return (Constant) new Nullable.LiftedBinaryOperator (oper, lifted_int, right).Resolve (ec);
+ return (Constant) new Binary (oper, lifted_int, right).ResolveOperator (ec);
}
IntConstant sic = right.ConvertImplicitly (ec.BuiltinTypes.Int) as IntConstant;
if (sic == null){
- Binary.Error_OperatorCannotBeApplied (ec, left, right, oper, loc); ;
return null;
}
int rshift_val = sic.Value;
// null >> value => null
if (left is NullLiteral)
- return (Constant) new Nullable.LiftedBinaryOperator (oper, left, right).Resolve (ec);
+ return (Constant) new Binary (oper, left, right).ResolveOperator (ec);
left = left.ConvertImplicitly (ec.BuiltinTypes.Int);
if (left.Type.BuiltinType == BuiltinTypeSpec.Type.Int)
return new IntConstant (ec.BuiltinTypes, ((IntConstant) left).Value >> rshift_val, left.Location);
- Binary.Error_OperatorCannotBeApplied (ec, left, right, oper, loc);
- break;
+ return null;
case Binary.Operator.Equality:
if (TypeSpec.IsReferenceType (lt) && TypeSpec.IsReferenceType (rt) ||
bool_res = ((DoubleConstant) left).Value ==
((DoubleConstant) right).Value;
else if (left is FloatConstant)
- bool_res = ((FloatConstant) left).Value ==
- ((FloatConstant) right).Value;
+ bool_res = ((FloatConstant) left).DoubleValue ==
+ ((FloatConstant) right).DoubleValue;
else if (left is ULongConstant)
bool_res = ((ULongConstant) left).Value ==
((ULongConstant) right).Value;
bool_res = ((DoubleConstant) left).Value !=
((DoubleConstant) right).Value;
else if (left is FloatConstant)
- bool_res = ((FloatConstant) left).Value !=
- ((FloatConstant) right).Value;
+ bool_res = ((FloatConstant) left).DoubleValue !=
+ ((FloatConstant) right).DoubleValue;
else if (left is ULongConstant)
bool_res = ((ULongConstant) left).Value !=
((ULongConstant) right).Value;
if (left is NullLiteral) {
var lifted_int = new Nullable.NullableType (ec.BuiltinTypes.Int, loc);
lifted_int.ResolveAsType (ec);
- return (Constant) new Nullable.LiftedBinaryOperator (oper, lifted_int, right).Resolve (ec);
- }
-
- if (left is Nullable.LiftedNull) {
- return (Constant) new Nullable.LiftedBinaryOperator (oper, left, right).Resolve (ec);
+ return (Constant) new Binary (oper, lifted_int, right).ResolveOperator (ec);
}
}
bool_res = ((DoubleConstant) left).Value <
((DoubleConstant) right).Value;
else if (left is FloatConstant)
- bool_res = ((FloatConstant) left).Value <
- ((FloatConstant) right).Value;
+ bool_res = ((FloatConstant) left).DoubleValue <
+ ((FloatConstant) right).DoubleValue;
else if (left is ULongConstant)
bool_res = ((ULongConstant) left).Value <
((ULongConstant) right).Value;
if (left is NullLiteral) {
var lifted_int = new Nullable.NullableType (ec.BuiltinTypes.Int, loc);
lifted_int.ResolveAsType (ec);
- return (Constant) new Nullable.LiftedBinaryOperator (oper, lifted_int, right).Resolve (ec);
- }
-
- if (left is Nullable.LiftedNull) {
- return (Constant) new Nullable.LiftedBinaryOperator (oper, left, right).Resolve (ec);
+ return (Constant) new Binary (oper, lifted_int, right).ResolveOperator (ec);
}
}
bool_res = ((DoubleConstant) left).Value >
((DoubleConstant) right).Value;
else if (left is FloatConstant)
- bool_res = ((FloatConstant) left).Value >
- ((FloatConstant) right).Value;
+ bool_res = ((FloatConstant) left).DoubleValue >
+ ((FloatConstant) right).DoubleValue;
else if (left is ULongConstant)
bool_res = ((ULongConstant) left).Value >
((ULongConstant) right).Value;
if (left is NullLiteral) {
var lifted_int = new Nullable.NullableType (ec.BuiltinTypes.Int, loc);
lifted_int.ResolveAsType (ec);
- return (Constant) new Nullable.LiftedBinaryOperator (oper, lifted_int, right).Resolve (ec);
- }
-
- if (left is Nullable.LiftedNull) {
- return (Constant) new Nullable.LiftedBinaryOperator (oper, left, right).Resolve (ec);
+ return (Constant) new Binary (oper, lifted_int, right).ResolveOperator (ec);
}
}
bool_res = ((DoubleConstant) left).Value >=
((DoubleConstant) right).Value;
else if (left is FloatConstant)
- bool_res = ((FloatConstant) left).Value >=
- ((FloatConstant) right).Value;
+ bool_res = ((FloatConstant) left).DoubleValue >=
+ ((FloatConstant) right).DoubleValue;
else if (left is ULongConstant)
bool_res = ((ULongConstant) left).Value >=
((ULongConstant) right).Value;
if (left is NullLiteral) {
var lifted_int = new Nullable.NullableType (ec.BuiltinTypes.Int, loc);
lifted_int.ResolveAsType (ec);
- return (Constant) new Nullable.LiftedBinaryOperator (oper, lifted_int, right).Resolve (ec);
- }
-
- if (left is Nullable.LiftedNull) {
- return (Constant) new Nullable.LiftedBinaryOperator (oper, left, right).Resolve (ec);
+ return (Constant) new Binary (oper, lifted_int, right).ResolveOperator (ec);
}
}
bool_res = ((DoubleConstant) left).Value <=
((DoubleConstant) right).Value;
else if (left is FloatConstant)
- bool_res = ((FloatConstant) left).Value <=
- ((FloatConstant) right).Value;
+ bool_res = ((FloatConstant) left).DoubleValue <=
+ ((FloatConstant) right).DoubleValue;
else if (left is ULongConstant)
bool_res = ((ULongConstant) left).Value <=
((ULongConstant) right).Value;
return new BoolConstant (ec.BuiltinTypes, bool_res, left.Location);
}
-
+
return null;
}
}
projects / mono.git / blobdiff