public override Constant ConvertImplicitly(TypeSpec type)
{
//
// The 0 literal can be converted to an enum value
//
if (Value == 0 && type.IsEnum)
{
Constant c = ConvertImplicitly(EnumSpec.GetUnderlyingType(type));
if (c == null)
{
return(null);
}
return(new EnumConstant(c, type));
}
return(base.ConvertImplicitly(type));
}
//
// The stack contains the pointer and the value of type `type'
//
public void EmitStoreFromPtr(TypeSpec type)
{
if (type.IsEnum)
{
type = EnumSpec.GetUnderlyingType(type);
}
switch (type.BuiltinType)
{
case BuiltinTypeSpec.Type.Int:
case BuiltinTypeSpec.Type.UInt:
ig.Emit(OpCodes.Stind_I4);
return;
case BuiltinTypeSpec.Type.Long:
case BuiltinTypeSpec.Type.ULong:
ig.Emit(OpCodes.Stind_I8);
return;
case BuiltinTypeSpec.Type.Char:
case BuiltinTypeSpec.Type.Short:
case BuiltinTypeSpec.Type.UShort:
ig.Emit(OpCodes.Stind_I2);
return;
case BuiltinTypeSpec.Type.Float:
ig.Emit(OpCodes.Stind_R4);
return;
case BuiltinTypeSpec.Type.Double:
ig.Emit(OpCodes.Stind_R8);
return;
case BuiltinTypeSpec.Type.Byte:
case BuiltinTypeSpec.Type.SByte:
case BuiltinTypeSpec.Type.Bool:
ig.Emit(OpCodes.Stind_I1);
return;
case BuiltinTypeSpec.Type.IntPtr:
ig.Emit(OpCodes.Stind_I);
return;
}
switch (type.Kind)
{
case MemberKind.Struct:
case MemberKind.TypeParameter:
if (IsAnonymousStoreyMutateRequired)
{
type = CurrentAnonymousMethod.Storey.Mutator.Mutate(type);
}
ig.Emit(OpCodes.Stobj, type.GetMetaInfo());
break;
default:
ig.Emit(OpCodes.Stind_Ref);
break;
}
}
//
// Emits the right opcode to store to an array
//
public void EmitArrayStore(ArrayContainer ac)
{
if (ac.Rank > 1)
{
if (IsAnonymousStoreyMutateRequired)
{
ac = (ArrayContainer)ac.Mutate(CurrentAnonymousMethod.Storey.Mutator);
}
ig.Emit(OpCodes.Call, ac.GetSetMethod());
return;
}
var type = ac.Element;
if (type.Kind == MemberKind.Enum)
{
type = EnumSpec.GetUnderlyingType(type);
}
switch (type.BuiltinType)
{
case BuiltinTypeSpec.Type.Byte:
case BuiltinTypeSpec.Type.SByte:
case BuiltinTypeSpec.Type.Bool:
Emit(OpCodes.Stelem_I1);
return;
case BuiltinTypeSpec.Type.Short:
case BuiltinTypeSpec.Type.UShort:
case BuiltinTypeSpec.Type.Char:
Emit(OpCodes.Stelem_I2);
return;
case BuiltinTypeSpec.Type.Int:
case BuiltinTypeSpec.Type.UInt:
Emit(OpCodes.Stelem_I4);
return;
case BuiltinTypeSpec.Type.Long:
case BuiltinTypeSpec.Type.ULong:
Emit(OpCodes.Stelem_I8);
return;
case BuiltinTypeSpec.Type.Float:
Emit(OpCodes.Stelem_R4);
return;
case BuiltinTypeSpec.Type.Double:
Emit(OpCodes.Stelem_R8);
return;
}
switch (type.Kind)
{
case MemberKind.Struct:
Emit(OpCodes.Stobj, type);
break;
case MemberKind.TypeParameter:
Emit(OpCodes.Stelem, type);
break;
case MemberKind.PointerType:
Emit(OpCodes.Stelem_I);
break;
default:
Emit(OpCodes.Stelem_Ref);
break;
}
}