/// <summary>
/// A field representing the function info at runtime.
/// Lazily associated with index by runtime.
/// </summary>
internal FieldSymbol EnsureRoutineInfoField(Emit.PEModuleBuilder module)
{
if (_lazyRoutineInfoField == null)
{
_lazyRoutineInfoField = module.SynthesizedManager
.GetOrCreateSynthesizedField(_file, this.DeclaringCompilation.CoreTypes.RoutineInfo, "!" + this.MetadataName, Accessibility.Internal, true, true);
}
return _lazyRoutineInfoField;
}
internal static bool IsConstantField(FieldSymbol field)
{
return (field.IsConst || (field.IsReadOnly && field.IsStatic)) && field.DeclaredAccessibility == Accessibility.Public;
}
public FieldPlace(IPlace holder, IFieldSymbol field)
{
Contract.ThrowIfNull(field);
Debug.Assert(holder != null || field.IsStatic);
_holder = holder;
_field = (FieldSymbol)field;
}
public BoundPhpStaticFieldPlace(FieldSymbol field, BoundExpression boundref)
: base(null, field, boundref)
{
Debug.Assert(!field.IsStatic);
Debug.Assert(field.ContainingType.TryGetStatics() != null);
}
public BoundFieldPlace(BoundExpression instance, FieldSymbol field, BoundExpression boundref)
{
Contract.ThrowIfNull(field);
_instance = instance;
_field = field;
_boundref = boundref;
}
/// <summary>
/// Determines if given field is declared as static.
/// Note: actual CLI metadata might be confusing since static PHP fields are represented as instance .NET fields in a class that lives within a PHP context.
/// </summary>
public static bool IsPhpStatic(this FieldSymbol f)
{
return(f.IsStatic || (f is SourceFieldSymbol sf && sf.FieldKind == SourceFieldSymbol.KindEnum.StaticField));
}
public SynthesizedTraitFieldSymbol(SourceTypeSymbol containing, FieldSymbol traitInstanceField, IPhpPropertySymbol sourceField)
: base(containing, null, sourceField.Name, sourceField.DeclaredAccessibility, isStatic: false, isReadOnly: false)
{
_traitInstanceField = traitInstanceField;
_traitmember = sourceField;
}
public static TypeSymbol ContainingStaticsHolder(this FieldSymbol f) => f is IPhpPropertySymbol phpf ? phpf.ContainingStaticsHolder : null;
internal SubstitutedFieldSymbol(NamedTypeSymbol containingType, FieldSymbol substitutedFrom, object token)
{
_containingType = containingType;
_originalDefinition = substitutedFrom.OriginalDefinition as FieldSymbol;
_token = token ?? _containingType;
}
internal SubstitutedFieldSymbol(NamedTypeSymbol containingType, FieldSymbol substitutedFrom)
: this(containingType, substitutedFrom, containingType)
{
}
bool BindConstantValue(BoundExpression target, FieldSymbol symbol)
{
if (symbol != null && symbol.IsConst)
{
var cvalue = symbol.GetConstantValue(false);
target.ConstantValue = (cvalue != null) ? new Optional<object>(cvalue.Value) : null;
target.TypeRefMask = TypeRefFactory.CreateMask(TypeCtx, symbol.Type);
return true;
}
return false;
}
internal void EmitSymbolToken(FieldSymbol symbol, SyntaxNode syntaxNode)
{
_il.EmitSymbolToken(_moduleBuilder, _diagnostics, symbol, syntaxNode);
}
/// <summary>
/// Loads field address on top of evaluation stack.
/// </summary>
public void EmitFieldAddress(FieldSymbol fld)
{
Debug.Assert(fld != null);
_il.EmitOpCode(fld.IsStatic ? ILOpCode.Ldsflda : ILOpCode.Ldflda);
EmitSymbolToken(fld, null);
}
public static void EmitSymbolToken(this ILBuilder il, PEModuleBuilder module, DiagnosticBag diagnostics, FieldSymbol symbol, SyntaxNode syntaxNode)
{
il.EmitToken(symbol, syntaxNode, diagnostics);
}
internal SubstitutedFieldSymbol(NamedTypeSymbol containingType, FieldSymbol substitutedFrom)
{
_containingType = containingType;
_originalDefinition = substitutedFrom.OriginalDefinition as FieldSymbol;
}
//public static AttributeData CreateDefaultValueAttribute(this PhpCompilation compilation, IMethodSymbol method, BoundArrayEx arr)
//{
// var typeParameter = new KeyValuePair<string, TypedConstant>("Type", new TypedConstant(compilation.CoreTypes.DefaultValueType.Symbol, TypedConstantKind.Enum, 1/*PhpArray*/));
// var namedparameters = ImmutableArray.Create(typeParameter);
// if (arr.Items.Length != 0)
// {
// try
// {
// var byteSymbol = compilation.GetSpecialType(SpecialType.System_Byte);
// var serializedValue = Encoding.UTF8.GetBytes(arr.PhpSerializeOrThrow());
// var p = new KeyValuePair<string, TypedConstant>(
// "SerializedValue",
// new TypedConstant(compilation.CreateArrayTypeSymbol(byteSymbol), serializedValue.Select(compilation.CreateTypedConstant).AsImmutable()));
// namedparameters = namedparameters.Add(p);
// }
// catch (Exception ex)
// {
// throw new InvalidOperationException($"Cannot construct serialized parameter default value. Routine '{method.Name}', {ex.Message}.", ex);
// }
// }
// return new SynthesizedAttributeData(
// compilation.CoreMethods.Ctors.DefaultValueAttribute,
// ImmutableArray<TypedConstant>.Empty, namedparameters);
//}
public static AttributeData CreateDefaultValueAttribute(this PhpCompilation compilation, TypeSymbol containingType, FieldSymbol field)
{
var namedparameters = ImmutableArray <KeyValuePair <string, TypedConstant> > .Empty;
var fieldContainer = field.ContainingType;
if (fieldContainer != containingType)
{
namedparameters = ImmutableArray.Create(new KeyValuePair <string, TypedConstant>(
"ExplicitType",
compilation.CreateTypedConstant(fieldContainer)));
}
// [DefaultValueAttribute(name) { ExplicitType = ... }]
return(new SynthesizedAttributeData(
compilation.CoreMethods.Ctors.DefaultValueAttribute_string,
ImmutableArray.Create(compilation.CreateTypedConstant(field.Name)),
namedparameters));
}
//internal static Symbol GetOverriddenMember(this Symbol member)
//{
// switch (member.Kind)
// {
// case SymbolKind.Method:
// return ((MethodSymbol)member).OverriddenMethod;
// case SymbolKind.Property:
// return ((PropertySymbol)member).OverriddenProperty;
// case SymbolKind.Event:
// return ((EventSymbol)member).OverriddenEvent;
// default:
// throw ExceptionUtilities.UnexpectedValue(member.Kind);
// }
//}
//internal static Symbol GetLeastOverriddenMember(this Symbol member, NamedTypeSymbol accessingTypeOpt)
//{
// switch (member.Kind)
// {
// case SymbolKind.Method:
// var method = (MethodSymbol)member;
// return method.GetConstructedLeastOverriddenMethod(accessingTypeOpt);
// case SymbolKind.Property:
// var property = (PropertySymbol)member;
// return property.GetLeastOverriddenProperty(accessingTypeOpt);
// case SymbolKind.Event:
// var evnt = (EventSymbol)member;
// return evnt.GetLeastOverriddenEvent(accessingTypeOpt);
// default:
// return member;
// }
//}
internal static bool IsFieldOrFieldLikeEvent(this Symbol member, out FieldSymbol field)
{
switch (member.Kind)
{
case SymbolKind.Field:
field = (FieldSymbol)member;
return true;
case SymbolKind.Event:
throw new NotImplementedException();
//field = ((EventSymbol)member).AssociatedField;
//return (object)field != null;
default:
field = null;
return false;
}
}
/// <summary>
/// Determines if given field is declared as static.
/// Note: actual CLI metadata might be confusing since static PHP fields are represented as instance .NET fields in a class that lives within a PHP context.
/// </summary>
public static bool IsPhpStatic(this FieldSymbol f)
{
return(f.IsStatic || (f is IPhpPropertySymbol phpf && (phpf.FieldKind == PhpPropertyKind.StaticField || phpf.FieldKind == PhpPropertyKind.AppStaticField)));
}