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);
}
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);
}
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);
+ var str = Value;
+ if (ec.Module.GetResourceStrings != null && !ec.Module.GetResourceStrings.TryGetValue (str, out str)) {
+ str = Value;
+ }
+
+ ec.Emit (OpCodes.Ldstr, str);
}
- 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;
+ Expression res;
+
+ using (rc.Set (ResolveContext.Options.NameOfScope)) {
+ 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;
+ }
+
+ 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);
+ }
+ }
+
+ //
+ // LAMESPEC: Why is conditional access not allowed?
+ //
+ if (!IsLeftResolvedExpressionValid (ma.LeftExpression) || ma.HasConditionalAccess ()) {
+ rc.Report.Error (8082, lexpr.Location, "An argument to nameof operator cannot include sub-expression");
+ return false;
+ }
+
+ Value = ma.Name;
+ return true;
+ }
+
+ rc.Report.Error (8081, loc, "Expression does not have a name");
+ return false;
+ }
+
+ static bool IsLeftResolvedExpressionValid (Expression expr)
+ {
+ var fe = expr as FieldExpr;
+ if (fe != null) {
+ return fe.InstanceExpression == null || IsLeftResolvedExpressionValid (fe.InstanceExpression);
+ }
+
+ var pe = expr as PropertyExpr;
+ if (pe != null)
+ return pe.InstanceExpression == null || IsLeftResolvedExpressionValid (pe.InstanceExpression);
+
+ var dmb = expr as DynamicMemberBinder;
+ if (dmb != null) {
+ return IsLeftResolvedExpressionValid (dmb.Arguments [0].Expr);
+ }
+
+ if (expr is ConstantExpr || expr is TypeExpr || expr is NamespaceExpression || expr is VariableReference)
+ return true;
+
+ 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; }
}
projects / mono.git / blobdiff