public override void Error_ValueCannotBeConverted (ResolveContext ec, TypeSpec target, bool expl)
{
- if (!expl && IsLiteral &&
+ if (!expl && IsLiteral && type.BuiltinType != BuiltinTypeSpec.Type.Double &&
BuiltinTypeSpec.IsPrimitiveTypeOrDecimal (target) &&
BuiltinTypeSpec.IsPrimitiveTypeOrDecimal (type)) {
ec.Report.Error (31, loc, "Constant value `{0}' cannot be converted to a `{1}'",
return Value ? 1 : 0;
}
- public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType)
+ public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType, TypeSpec parameterType)
{
enc.Encode (Value);
}
Value = v;
}
- public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType)
+ public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType, TypeSpec parameterType)
{
enc.Encode (Value);
}
Value = v;
}
- public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType)
+ public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType, TypeSpec parameterType)
{
enc.Encode ((ushort) Value);
}
Value = v;
}
- public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType)
+ public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType, TypeSpec parameterType)
{
enc.Encode (Value);
}
Value = v;
}
- public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType)
+ public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType, TypeSpec parameterType)
{
enc.Encode (Value);
}
Value = v;
}
- public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType)
+ public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType, TypeSpec parameterType)
{
enc.Encode (Value);
}
Value = v;
}
- public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType)
+ public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType, TypeSpec parameterType)
{
enc.Encode (Value);
}
Value = v;
}
- public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType)
+ public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType, TypeSpec parameterType)
{
enc.Encode (Value);
}
Value = v;
}
- public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType)
+ public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType, TypeSpec parameterType)
{
enc.Encode (Value);
}
Value = v;
}
- public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType)
+ public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType, TypeSpec parameterType)
{
enc.Encode (Value);
}
}
public class FloatConstant : Constant {
- public readonly float Value;
+ //
+ // Store constant value as double because float constant operations
+ // need to work on double value to match JIT
+ //
+ public readonly double DoubleValue;
- public FloatConstant (BuiltinTypes types, float v, Location loc)
+ public FloatConstant (BuiltinTypes types, double v, Location loc)
: this (types.Float, v, loc)
{
}
- public FloatConstant (TypeSpec type, float v, Location loc)
+ public FloatConstant (TypeSpec type, double v, Location loc)
: base (loc)
{
this.type = type;
eclass = ExprClass.Value;
- Value = v;
+ DoubleValue = v;
+ }
+
+ public override Constant ConvertImplicitly (TypeSpec type)
+ {
+ if (type.BuiltinType == BuiltinTypeSpec.Type.Double)
+ return new DoubleConstant (type, DoubleValue, loc);
+
+ return base.ConvertImplicitly (type);
}
- public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType)
+ public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType, TypeSpec parameterType)
{
enc.Encode (Value);
}
ec.Emit (OpCodes.Ldc_R4, Value);
}
+ public float Value {
+ get {
+ return (float) DoubleValue;
+ }
+ }
+
public override object GetValue ()
{
return Value;
if (Value < byte.MinValue || Value > byte.MaxValue || float.IsNaN (Value))
throw new OverflowException ();
}
- return new ByteConstant (target_type, (byte) Value, Location);
+ return new ByteConstant (target_type, (byte) DoubleValue, Location);
case BuiltinTypeSpec.Type.SByte:
if (in_checked_context) {
if (Value < sbyte.MinValue || Value > sbyte.MaxValue || float.IsNaN (Value))
throw new OverflowException ();
}
- return new SByteConstant (target_type, (sbyte) Value, Location);
+ return new SByteConstant (target_type, (sbyte) DoubleValue, Location);
case BuiltinTypeSpec.Type.Short:
if (in_checked_context) {
if (Value < short.MinValue || Value > short.MaxValue || float.IsNaN (Value))
throw new OverflowException ();
}
- return new ShortConstant (target_type, (short) Value, Location);
+ return new ShortConstant (target_type, (short) DoubleValue, Location);
case BuiltinTypeSpec.Type.UShort:
if (in_checked_context) {
if (Value < ushort.MinValue || Value > ushort.MaxValue || float.IsNaN (Value))
throw new OverflowException ();
}
- return new UShortConstant (target_type, (ushort) Value, Location);
+ return new UShortConstant (target_type, (ushort) DoubleValue, Location);
case BuiltinTypeSpec.Type.Int:
if (in_checked_context) {
if (Value < int.MinValue || Value > int.MaxValue || float.IsNaN (Value))
throw new OverflowException ();
}
- return new IntConstant (target_type, (int) Value, Location);
+ return new IntConstant (target_type, (int) DoubleValue, Location);
case BuiltinTypeSpec.Type.UInt:
if (in_checked_context) {
if (Value < uint.MinValue || Value > uint.MaxValue || float.IsNaN (Value))
throw new OverflowException ();
}
- return new UIntConstant (target_type, (uint) Value, Location);
+ return new UIntConstant (target_type, (uint) DoubleValue, Location);
case BuiltinTypeSpec.Type.Long:
if (in_checked_context) {
if (Value < long.MinValue || Value > long.MaxValue || float.IsNaN (Value))
throw new OverflowException ();
}
- return new LongConstant (target_type, (long) Value, Location);
+ return new LongConstant (target_type, (long) DoubleValue, Location);
case BuiltinTypeSpec.Type.ULong:
if (in_checked_context) {
if (Value < ulong.MinValue || Value > ulong.MaxValue || float.IsNaN (Value))
throw new OverflowException ();
}
- return new ULongConstant (target_type, (ulong) Value, Location);
+ return new ULongConstant (target_type, (ulong) DoubleValue, Location);
case BuiltinTypeSpec.Type.Double:
- return new DoubleConstant (target_type, (double) Value, Location);
+ return new DoubleConstant (target_type, DoubleValue, Location);
case BuiltinTypeSpec.Type.Char:
if (in_checked_context) {
if (Value < (float) char.MinValue || Value > (float) char.MaxValue || float.IsNaN (Value))
throw new OverflowException ();
}
- return new CharConstant (target_type, (char) Value, Location);
+ return new CharConstant (target_type, (char) DoubleValue, Location);
case BuiltinTypeSpec.Type.Decimal:
- return new DecimalConstant (target_type, (decimal) Value, Location);
+ return new DecimalConstant (target_type, (decimal) DoubleValue, Location);
}
return null;
Value = v;
}
- public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType)
+ public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType, TypeSpec parameterType)
{
enc.Encode (Value);
}
}
public class StringConstant : Constant {
- public readonly string Value;
-
public StringConstant (BuiltinTypes types, string s, Location loc)
: this (types.String, s, loc)
{
Value = s;
}
+ protected StringConstant (Location loc)
+ : base (loc)
+ {
+ }
+
+ public string Value { get; protected set; }
+
public override object GetValue ()
{
return Value;
ec.Emit (OpCodes.Ldstr, Value);
}
- public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType)
+ public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType, TypeSpec parameterType)
{
// cast to object
if (type != targetType)
}
}
+ class NameOf : StringConstant
+ {
+ readonly SimpleName name;
+
+ public NameOf (SimpleName name)
+ : base (name.Location)
+ {
+ this.name = name;
+ }
+
+ static void Error_MethodGroupWithTypeArguments (ResolveContext rc, Location loc)
+ {
+ rc.Report.Error (8084, loc, "An argument to nameof operator cannot be method group with type arguments");
+ }
+
+ protected override Expression DoResolve (ResolveContext rc)
+ {
+ throw new NotSupportedException ();
+ }
+
+ bool ResolveArgumentExpression (ResolveContext rc, Expression expr)
+ {
+ var sn = expr as SimpleName;
+ if (sn != null) {
+ Value = sn.Name;
+
+ if (rc.Module.Compiler.Settings.Version < LanguageVersion.V_6)
+ rc.Report.FeatureIsNotAvailable (rc.Module.Compiler, Location, "nameof operator");
+
+ var res = sn.LookupNameExpression (rc, MemberLookupRestrictions.IgnoreAmbiguity | MemberLookupRestrictions.NameOfExcluded);
+ if (sn.HasTypeArguments && res is MethodGroupExpr) {
+ Error_MethodGroupWithTypeArguments (rc, expr.Location);
+ }
+
+ return true;
+ }
+
+ var ma = expr as MemberAccess;
+ if (ma != null) {
+ var lexpr = ma.LeftExpression;
+
+ var res = ma.LookupNameExpression (rc, MemberLookupRestrictions.IgnoreAmbiguity);
+
+ if (res == null) {
+ return false;
+ }
+
+ if (rc.Module.Compiler.Settings.Version < LanguageVersion.V_6)
+ rc.Report.FeatureIsNotAvailable (rc.Module.Compiler, Location, "nameof operator");
+
+ if (ma is QualifiedAliasMember) {
+ rc.Report.Error (8083, loc, "An alias-qualified name is not an expression");
+ return false;
+ }
+
+ if (!IsLeftExpressionValid (lexpr)) {
+ rc.Report.Error (8082, lexpr.Location, "An argument to nameof operator cannot include sub-expression");
+ return false;
+ }
+
+ var mg = res as MethodGroupExpr;
+ if (mg != null) {
+ var emg = res as ExtensionMethodGroupExpr;
+ if (emg != null && !emg.ResolveNameOf (rc, ma)) {
+ return true;
+ }
+
+ if (!mg.HasAccessibleCandidate (rc)) {
+ ErrorIsInaccesible (rc, ma.GetSignatureForError (), loc);
+ }
+
+ if (ma.HasTypeArguments) {
+ Error_MethodGroupWithTypeArguments (rc, ma.Location);
+ }
+ }
+
+ Value = ma.Name;
+ return true;
+ }
+
+ rc.Report.Error (8081, loc, "Expression does not have a name");
+ return false;
+ }
+
+ static bool IsLeftExpressionValid (Expression expr)
+ {
+ if (expr is SimpleName)
+ return true;
+
+ if (expr is This)
+ return true;
+
+ if (expr is NamespaceExpression)
+ return true;
+
+ if (expr is TypeExpr)
+ return true;
+
+ var ma = expr as MemberAccess;
+ if (ma != null) {
+ // TODO: Will conditional access be allowed?
+ return IsLeftExpressionValid (ma.LeftExpression);
+ }
+
+ return false;
+ }
+
+ public Expression ResolveOverload (ResolveContext rc, Arguments args)
+ {
+ if (args == null || args.Count != 1) {
+ name.Error_NameDoesNotExist (rc);
+ return null;
+ }
+
+ var arg = args [0];
+ var res = ResolveArgumentExpression (rc, arg.Expr);
+ if (!res) {
+ return null;
+ }
+
+ type = rc.BuiltinTypes.String;
+ eclass = ExprClass.Value;
+ return this;
+ }
+ }
+
//
// Null constant can have its own type, think of `default (Foo)'
//
return base.CreateExpressionTree (ec);
}
- public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType)
+ public override void EncodeAttributeValue (IMemberContext rc, AttributeEncoder enc, TypeSpec targetType, TypeSpec parameterType)
{
switch (targetType.BuiltinType) {
case BuiltinTypeSpec.Type.Object:
break;
}
- base.EncodeAttributeValue (rc, enc, targetType);
+ base.EncodeAttributeValue (rc, enc, targetType, parameterType);
}
public override void Emit (EmitContext ec)
}
}
+ public override bool ContainsEmitWithAwait ()
+ {
+ return side_effect.ContainsEmitWithAwait ();
+ }
+
public override object GetValue ()
{
return value.GetValue ();
value.EmitSideEffect (ec);
}
+ public override void FlowAnalysis (FlowAnalysisContext fc)
+ {
+ side_effect.FlowAnalysis (fc);
+ }
+
public override bool IsDefaultValue {
get { return value.IsDefaultValue; }
}