public override AstVisitAction VisitPropertyMember(PropertyMemberAst propertyMemberAst)
{
HelpEntity helpResult = null;
var description = "";
if ((propertyMemberAst.Parent as TypeDefinitionAst).IsClass)
{
var attributes = propertyMemberAst.Attributes.Count >= 0 ?
$", with attributes '{string.Join(", ", propertyMemberAst.Attributes.Select(p => p.TypeName.Name))}'." :
".";
description = $"Property '{propertyMemberAst.Name}' of type '{propertyMemberAst.PropertyType.TypeName.FullName}'{attributes}";
helpResult = HelpTableQuery("about_classes");
helpResult.DocumentationLink += "#class-properties";
}
if ((propertyMemberAst.Parent as TypeDefinitionAst).IsEnum)
{
description = $"Enum label '{propertyMemberAst.Name}', with value '{propertyMemberAst.InitialValue}'.";
helpResult = HelpTableQuery("about_enum");
}
explanations.Add(new Explanation()
{
Description = description,
CommandName = "Property member",
HelpResult = helpResult,
TextToHighlight = propertyMemberAst.Name
}.AddDefaults(propertyMemberAst, explanations));
return(base.VisitPropertyMember(propertyMemberAst));
}
public override AstVisitAction VisitPropertyMember(PropertyMemberAst propertyMemberAst)
{
if (!ValidateExtend(symbolRef.ScriptRegion.Text, propertyMemberAst.Name, propertyMemberAst))
{
return(AstVisitAction.Continue);
}
return(AstVisitAction.StopVisit);
}
public override AstVisitAction VisitPropertyMember(PropertyMemberAst propertyMemberAst) //confirmed
{
if (propertyMemberAst.ToString().Contains(symbolRef.ScriptRegion.Text))
{
ValidateExtend(symbolRef.ScriptRegion.Text, propertyMemberAst.Name, propertyMemberAst);
}
return(base.VisitPropertyMember(propertyMemberAst));
}
public virtual MemberAst VisitPropertyMember(PropertyMemberAst propertyMemberAst)
{
return(new PropertyMemberAst(
propertyMemberAst.Extent,
propertyMemberAst.Name,
propertyMemberAst.PropertyType?.Rewrite(this, SyntaxKind.TypeConstraint),
propertyMemberAst.Attributes?.RewriteAll(this, SyntaxKind.Attribute),
propertyMemberAst.PropertyAttributes,
propertyMemberAst.InitialValue?.Rewrite(this, SyntaxKind.Expression)));
}
private PSClassInfo ConvertToClassInfo(PSModuleInfo module, ScriptBlockAst ast, TypeDefinitionAst statement)
{
PSClassInfo classInfo = new PSClassInfo(statement.Name);
Dbg.Assert(statement.Name != null, "statement should have a name.");
classInfo.Module = module;
Collection <PSClassMemberInfo> properties = new Collection <PSClassMemberInfo>();
foreach (var member in statement.Members)
{
PropertyMemberAst propAst = member as PropertyMemberAst;
if (propAst != null)
{
Dbg.Assert(propAst.Name != null, "PropName cannot be null");
Dbg.Assert(propAst.PropertyType != null, "PropertyType cannot be null");
Dbg.Assert(propAst.PropertyType.TypeName != null, "Property TypeName cannot be null");
Dbg.Assert(propAst.Extent != null, "Property Extent cannot be null");
Dbg.Assert(propAst.Extent.Text != null, "Property ExtentText cannot be null");
PSClassMemberInfo classProperty = new PSClassMemberInfo(propAst.Name,
propAst.PropertyType.TypeName.FullName,
propAst.Extent.Text);
properties.Add(classProperty);
}
}
classInfo.UpdateMembers(properties);
string mamlHelpFile = null;
if (ast.GetHelpContent() != null)
{
mamlHelpFile = ast.GetHelpContent().MamlHelpFile;
}
if (!String.IsNullOrEmpty(mamlHelpFile))
{
classInfo.HelpFile = mamlHelpFile;
}
return(classInfo);
}
public override AstVisitAction VisitPropertyMember(PropertyMemberAst propertyMemberAst)
{
return AstVisitAction.Continue;
}
public object VisitPropertyMember(PropertyMemberAst propertyMemberAst)
{
throw PSTraceSource.NewArgumentException(nameof(propertyMemberAst));
}
/// <summary/> public virtual AstVisitAction VisitPropertyMember(PropertyMemberAst propertyMemberAst) => DefaultVisit(propertyMemberAst);
public object VisitPropertyMember(PropertyMemberAst propertyMemberAst)
{
throw new System.NotImplementedException();
}
public override AstVisitAction VisitPropertyMember(PropertyMemberAst propertyMemberAst)
{
return(Visit(propertyMemberAst));
}
public override MemberAst VisitPropertyMember(PropertyMemberAst propertyMemberAst) => VisitOther(base.VisitPropertyMember(propertyMemberAst));
public object VisitPropertyMember(PropertyMemberAst propertyMemberAst)
{
return(false);
}
public override AstVisitAction VisitPropertyMember(PropertyMemberAst propertyMemberAst) => VisitAst(propertyMemberAst);
/// <summary/>
public virtual object VisitPropertyMember(PropertyMemberAst propertyMemberAst)
{
return(null);
}
public override AstVisitAction VisitPropertyMember(PropertyMemberAst propertyMemberAst)
{
return(AstVisitAction.Continue);
}
/// <summary>
/// True if it is a key property.
/// </summary>
/// <param name="parser"></param>
/// <param name="propertyMemberAst">The property member AST</param>
/// <param name="hasKey">True if it is a key property; otherwise, false.</param>
private static void CheckKey(Parser parser, PropertyMemberAst propertyMemberAst, ref bool hasKey)
{
foreach (var attr in propertyMemberAst.Attributes)
{
if (attr.TypeName.GetReflectionAttributeType() == typeof(DscPropertyAttribute))
{
foreach (var na in attr.NamedArguments)
{
if (na.ArgumentName.Equals("Key", StringComparison.OrdinalIgnoreCase))
{
object attrArgValue;
if (IsConstantValueVisitor.IsConstant(na.Argument, out attrArgValue, forAttribute: true, forRequires: false)
&& LanguagePrimitives.IsTrue(attrArgValue))
{
hasKey = true;
bool keyPropertyTypeAllowed = false;
var propertyType = propertyMemberAst.PropertyType;
if (propertyType != null)
{
TypeName typeName = propertyType.TypeName as TypeName;
if (typeName != null)
{
var type = typeName.GetReflectionType();
if (type != null)
{
keyPropertyTypeAllowed = type == typeof(string) || type.IsInteger();
}
else
{
var typeDefinitionAst = typeName._typeDefinitionAst;
if (typeDefinitionAst != null)
{
keyPropertyTypeAllowed = typeDefinitionAst.IsEnum;
}
}
}
}
if (!keyPropertyTypeAllowed)
{
parser.ReportError(propertyMemberAst.Extent, () => ParserStrings.DscResourceInvalidKeyProperty);
}
return;
}
}
}
}
}
}
public override AstVisitAction VisitPropertyMember(PropertyMemberAst propertyMemberAst)
{
if (propertyMemberAst.PropertyType != null)
{
// Type must be resolved, but if it's not, the error was reported by the symbol resolver.
var type = propertyMemberAst.PropertyType.TypeName.GetReflectionType();
if (type != null && (type == typeof(void) || type.GetTypeInfo().IsGenericTypeDefinition))
{
_parser.ReportError(propertyMemberAst.PropertyType.Extent, () => ParserStrings.TypeNotAllowedForProperty,
propertyMemberAst.PropertyType.TypeName.FullName);
}
}
_memberScopeStack.Push(propertyMemberAst);
return AstVisitAction.Continue;
}
private PropertyBuilder EmitPropertyIl(PropertyMemberAst propertyMemberAst, Type type)
{
// backing field is always private.
var backingFieldAttributes = FieldAttributes.Private;
// The property set and property get methods require a special set of attributes.
var getSetAttributes = Reflection.MethodAttributes.SpecialName | Reflection.MethodAttributes.HideBySig;
getSetAttributes |= propertyMemberAst.IsPublic ? Reflection.MethodAttributes.Public : Reflection.MethodAttributes.Private;
if (propertyMemberAst.IsStatic)
{
backingFieldAttributes |= FieldAttributes.Static;
getSetAttributes |= Reflection.MethodAttributes.Static;
}
// C# naming convention for backing fields.
string backingFieldName = String.Format(CultureInfo.InvariantCulture, "<{0}>k__BackingField", propertyMemberAst.Name);
var backingField = _typeBuilder.DefineField(backingFieldName, type, backingFieldAttributes);
bool hasValidateAttributes = false;
if (propertyMemberAst.Attributes != null)
{
for (int i = 0; i < propertyMemberAst.Attributes.Count; i++)
{
Type attributeType = propertyMemberAst.Attributes[i].TypeName.GetReflectionAttributeType();
if (attributeType != null && attributeType.IsSubclassOf(typeof(ValidateArgumentsAttribute)))
{
hasValidateAttributes = true;
break;
}
}
}
// The last argument of DefineProperty is null, because the property has no parameters.
PropertyBuilder property = _typeBuilder.DefineProperty(propertyMemberAst.Name, Reflection.PropertyAttributes.None, type, null);
// Define the "get" accessor method.
MethodBuilder getMethod = _typeBuilder.DefineMethod(String.Concat("get_", propertyMemberAst.Name), getSetAttributes, type, Type.EmptyTypes);
ILGenerator getIlGen = getMethod.GetILGenerator();
if (propertyMemberAst.IsStatic)
{
// static
getIlGen.Emit(OpCodes.Ldsfld, backingField);
getIlGen.Emit(OpCodes.Ret);
}
else
{
// instance
getIlGen.Emit(OpCodes.Ldarg_0);
getIlGen.Emit(OpCodes.Ldfld, backingField);
getIlGen.Emit(OpCodes.Ret);
}
// Define the "set" accessor method.
MethodBuilder setMethod = _typeBuilder.DefineMethod(String.Concat("set_", propertyMemberAst.Name), getSetAttributes, null, new Type[] { type });
ILGenerator setIlGen = setMethod.GetILGenerator();
if (hasValidateAttributes)
{
var typeToLoad = _typeBuilder.AsType();
setIlGen.Emit(OpCodes.Ldtoken, typeToLoad);
setIlGen.Emit(OpCodes.Call, typeof(Type).GetMethod("GetTypeFromHandle")); // load current Type on stack
setIlGen.Emit(OpCodes.Ldstr, propertyMemberAst.Name); // load name of Property
setIlGen.Emit(propertyMemberAst.IsStatic ? OpCodes.Ldarg_0 : OpCodes.Ldarg_1); // load set value
if (type.GetTypeInfo().IsValueType)
{
setIlGen.Emit(OpCodes.Box, type);
}
setIlGen.Emit(OpCodes.Call, CachedReflectionInfo.ClassOps_ValidateSetProperty);
}
if (propertyMemberAst.IsStatic)
{
setIlGen.Emit(OpCodes.Ldarg_0);
setIlGen.Emit(OpCodes.Stsfld, backingField);
}
else
{
setIlGen.Emit(OpCodes.Ldarg_0);
setIlGen.Emit(OpCodes.Ldarg_1);
setIlGen.Emit(OpCodes.Stfld, backingField);
}
setIlGen.Emit(OpCodes.Ret);
// Map the two methods created above to our PropertyBuilder to
// their corresponding behaviors, "get" and "set" respectively.
property.SetGetMethod(getMethod);
property.SetSetMethod(setMethod);
if (propertyMemberAst.IsHidden)
{
property.SetCustomAttribute(s_hiddenCustomAttributeBuilder);
}
return property;
}
private void DefineProperty(PropertyMemberAst propertyMemberAst)
{
if (_definedProperties.ContainsKey(propertyMemberAst.Name))
{
_parser.ReportError(propertyMemberAst.Extent, () => ParserStrings.MemberAlreadyDefined, propertyMemberAst.Name);
return;
}
_definedProperties.Add(propertyMemberAst.Name, propertyMemberAst);
Type type;
if (propertyMemberAst.PropertyType == null)
{
type = typeof(object);
}
else
{
type = propertyMemberAst.PropertyType.TypeName.GetReflectionType();
Diagnostics.Assert(type != null, "Semantic checks should have ensure type can't be null");
}
PropertyBuilder property = this.EmitPropertyIl(propertyMemberAst, type);
// Define custom attributes on the property, not on the backingField
DefineCustomAttributes(property, propertyMemberAst.Attributes, _parser, AttributeTargets.Field | AttributeTargets.Property);
}
object ICustomAstVisitor2.VisitPropertyMember(PropertyMemberAst propertyMemberAst) => ProcessRewriter(VisitPropertyMember, propertyMemberAst);
public override AstVisitAction VisitPropertyMember(PropertyMemberAst ast)
{
return(Check(ast));
}
/// <summary/>
public virtual AstVisitAction VisitPropertyMember(PropertyMemberAst propertyMemberAst) { return AstVisitAction.Continue; }
/// <summary/>
public virtual AstVisitAction VisitPropertyMember(PropertyMemberAst propertyMemberAst)
{
return(AstVisitAction.Continue);
}
public object VisitPropertyMember(PropertyMemberAst propertyMemberAst)
{
return null;
}
public object VisitPropertyMember(PropertyMemberAst propertyMemberAst)
{
return(AutomationNull.Value);
}
public override AstVisitAction VisitPropertyMember(PropertyMemberAst ast) { return Check(ast); }