//------------------------------------------------------------
// NestedTypeResolver.ResolveType
//
/// <summary>
/// Find the class specified in args and create its Type.
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
/// <returns></returns>
//------------------------------------------------------------
internal Assembly ResolveType(object sender, ResolveEventArgs args)
{
if (args == null || String.IsNullOrEmpty(args.Name))
{
return(null);
}
string[] names = args.Name.Split('.');
AGGSYM aggSym = null;
AGGSYM parentSym = this.EnclosingAggSym;
Exception excp = null;
for (int i = 0; i < names.Length; ++i)
{
aggSym = compiler.LookupGlobalSym(names[i], parentSym, SYMBMASK.AGGSYM) as AGGSYM;
if (aggSym == null)
{
return(null);
}
parentSym = aggSym;
}
aggSym.CreateType(out excp);
OUTFILESYM outfileSym = aggSym.GetOutputFile();
if (outfileSym != null && outfileSym.AssemblyBuilderEx != null)
{
return(outfileSym.AssemblyBuilderEx.AssemblyBuilder);
}
return(null);
}
//------------------------------------------------------------
// FUNCBREC.EnsureNubHasValue
//
/// <summary>
/// Make sure the HasValue property of System.Nullable<T> is appropriate (and return it).
/// </summary>
/// <param name="treeNode"></param>
/// <returns></returns>
//------------------------------------------------------------
private PROPSYM EnsureNubHasValue(BASENODE treeNode)
{
PROPSYM propSym = Compiler.MainSymbolManager.NullableHasValuePropertySym;
if (propSym == null)
{
AGGSYM nubAggSym = Compiler.GetOptPredefAggErr(PREDEFTYPE.G_OPTIONAL, true);
if (nubAggSym == null)
{
return(null);
}
string name = Compiler.NameManager.GetPredefinedName(PREDEFNAME.HASVALUE);
SYM sym = Compiler.MainSymbolManager.LookupAggMember(
name, nubAggSym, SYMBMASK.PROPSYM);
propSym = sym as PROPSYM;
if (propSym == null ||
propSym.IsStatic ||
propSym.Access != ACCESS.PUBLIC ||
propSym.ParameterTypes.Count > 0 ||
!propSym.ReturnTypeSym.IsPredefType(PREDEFTYPE.BOOL) ||
propSym.GetMethodSym == null)
{
Compiler.Error(treeNode, CSCERRID.ERR_MissingPredefinedMember,
new ErrArg(nubAggSym), new ErrArg(name));
return(null);
}
Compiler.MainSymbolManager.NullableHasValuePropertySym = propSym;
}
return(propSym);
}
//------------------------------------------------------------
// AggIterator
//------------------------------------------------------------
internal AGGSYM Reset(INFILESYM infile)
{
DebugUtil.Assert(infile.RootNsDeclSym != null);
aggCur = GetFirstInListNsDecl(infile.RootNsDeclSym.FirstChildSym);
return(aggCur);
}
//------------------------------------------------------------
// SecurityUtil.EmitSecurityAttributes (1) Type
//
/// <summary></summary>
/// <param name="methodSym"></param>
/// <param name="permissionSets"></param>
//------------------------------------------------------------
internal static bool EmitSecurityAttributes(
AGGSYM aggSym,
Dictionary <SecurityAction, PermissionSet> permissionSets,
out Exception excp)
{
excp = null;
bool rval = true;
if (aggSym == null ||
aggSym.TypeBuilder == null)
{
return(false);
}
if (permissionSets == null || permissionSets.Count == 0)
{
return(true);
}
foreach (KeyValuePair <SecurityAction, PermissionSet> kv in permissionSets)
{
switch (kv.Key)
{
case SecurityAction.Assert:
case SecurityAction.Demand:
case SecurityAction.Deny:
case SecurityAction.InheritanceDemand:
case SecurityAction.LinkDemand:
case SecurityAction.PermitOnly:
default:
try
{
aggSym.TypeBuilder.AddDeclarativeSecurity(kv.Key, kv.Value);
}
catch (ArgumentException ex)
{
if (excp == null)
{
excp = ex;
}
rval = false;
}
catch (InvalidOperationException ex)
{
if (excp == null)
{
excp = ex;
}
rval = false;
}
break;
case SecurityAction.RequestMinimum:
case SecurityAction.RequestOptional:
case SecurityAction.RequestRefuse:
break;
}
}
return(rval);
}
//------------------------------------------------------------
// CLSDREC.CreateBackField
//
/// <summary></summary>
/// <param name="aggSym"></param>
/// <param name="propName"></param>
//------------------------------------------------------------
private MEMBVARSYM CreateBackField(
PROPERTYNODE propNode,
string propName,
TYPESYM propTypeSym,
AGGSYM aggSym,
AGGDECLSYM aggDeclSym)
{
DebugUtil.Assert(aggSym.IsClass || aggSym.IsStruct);
string backFieldName = GenerateBackFieldName(propName);
NODEFLAGS propFlags = propNode.Flags;
MEMBVARSYM backFieldSym = Compiler.MainSymbolManager.CreateMembVar(
backFieldName,
aggSym,
aggDeclSym);
backFieldSym.TypeSym = propTypeSym;
backFieldSym.ParseTreeNode = null;
backFieldSym.IsAssigned = true;
NODEFLAGS allowableFlags =
aggSym.AllowableMemberAccess() |
NODEFLAGS.MOD_UNSAFE |
NODEFLAGS.MOD_NEW |
NODEFLAGS.MOD_STATIC;
backFieldSym.IsUnsafe = (aggDeclSym.IsUnsafe || (propFlags & NODEFLAGS.MOD_UNSAFE) != 0);
if ((propFlags & NODEFLAGS.MOD_ABSTRACT) != 0)
{
DebugUtil.Assert((allowableFlags & NODEFLAGS.MOD_ABSTRACT) == 0);
Compiler.ErrorRef(null, CSCERRID.ERR_AbstractField, new ErrArgRef(backFieldSym));
//flags &= ~NODEFLAGS.MOD_ABSTRACT;
}
backFieldSym.Access = ACCESS.PRIVATE; // GetAccessFromFlags(aggSym, allowableFlags, flags);
if ((propFlags & NODEFLAGS.MOD_STATIC) != 0)
{
backFieldSym.IsStatic = true;
}
CheckForProtectedInSealed(backFieldSym);
// Check that the field type is as accessible as the field itself.
CheckConstituentVisibility(backFieldSym, propTypeSym, CSCERRID.ERR_BadVisFieldType);
return(backFieldSym);
}
//------------------------------------------------------------
// AggIterator.GetNext
//------------------------------------------------------------
static protected AGGSYM GetNext(AGGSYM agg)
{
if (agg == null)
{
return(null);
}
// Children first. We process nested AGGs with the outer AGG.
AGGSYM aggNext = GetFirstInListAgg(agg.FirstChildSym);
if (aggNext != null)
{
return(aggNext);
}
// Check siblings. If none found move up a level. Once agg's parent is a NS
// the processing is different (following this loop).
for (; agg.ParentBagSym.IsAGGSYM; agg = agg.ParentBagSym as AGGSYM)
{
aggNext = GetFirstInListAgg(agg.NextSym);
if (aggNext != null)
{
return(aggNext);
}
}
// Agg's parent is a NS. Switch to searching DECLs.
// ASSERT(agg && agg.Parent().IsNSSYM);
if (agg == null || !agg.ParentBagSym.IsNSSYM)
{
return(null);
}
for (DECLSYM decl = agg.FirstDeclSym; decl != null; decl = decl.ParentDeclSym)
{
aggNext = GetFirstInListNsDecl(decl.NextSym);
if (aggNext != null)
{
return(aggNext);
}
}
return(null);
}
//------------------------------------------------------------
// CLSDREC.DefineExtensionMethodCore
//
/// <summary></summary>
/// <param name="methodSym"></param>
//------------------------------------------------------------
internal void DefineExtensionMethodCore(METHSYM methodSym)
{
DebugUtil.Assert(methodSym != null);
DebugUtil.Assert(methodSym.ParameterTypes.Count > 0);
TypeArray paramTypes = methodSym.ParameterTypes;
AGGTYPESYM ats = paramTypes[0] as AGGTYPESYM;
if (ats == null)
{
return;
}
AGGSYM targetAggSym = ats.GetAggregate();
METHSYM instanceMethSym = Compiler.MainSymbolManager.CreateGlobalSym(
SYMKIND.METHSYM,
methodSym.Name,
targetAggSym) as METHSYM;
instanceMethSym.ContainingAggDeclSym = targetAggSym.FirstDeclSym;
instanceMethSym.IsUnsafe = methodSym.IsUnsafe;
instanceMethSym.TypeVariables = methodSym.TypeVariables;
TypeArray instParamTypes = new TypeArray();
for (int i = 1; i < paramTypes.Count; ++i)
{
instParamTypes.Add(paramTypes[i]);
}
instanceMethSym.ParameterTypes
= Compiler.MainSymbolManager.AllocParams(instParamTypes);
instanceMethSym.ReturnTypeSym = methodSym.ReturnTypeSym;
instanceMethSym.Access = methodSym.Access;
instanceMethSym.IsStatic = false;
instanceMethSym.IsParameterArray = methodSym.IsParameterArray;
instanceMethSym.IsVarargs = methodSym.IsVarargs;
instanceMethSym.StaticExtensionMethodSym = methodSym;
}
//------------------------------------------------------------
// FUNCBREC.EnsureNubGetValOrDef
//
/// <summary>
/// Make sure the HasValue property of System.Nullable<T> is appropriate (and return it).
/// </summary>
/// <param name="treeNode"></param>
/// <returns></returns>
//------------------------------------------------------------
private METHSYM EnsureNubGetValOrDef(BASENODE treeNode)
{
METHSYM methSym = Compiler.MainSymbolManager.NullableGetValOrDefMethodSym;
if (methSym == null)
{
AGGSYM nubAggSym = Compiler.GetOptPredefAggErr(PREDEFTYPE.G_OPTIONAL, true);
if (nubAggSym == null)
{
return(null);
}
string name = Compiler.NameManager.GetPredefinedName(PREDEFNAME.GET_VALUE_OR_DEF);
for (SYM sym = Compiler.MainSymbolManager.LookupAggMember(name, nubAggSym, SYMBMASK.ALL);
;
sym = sym.NextSameNameSym)
{
if (sym == null)
{
Compiler.Error(treeNode, CSCERRID.ERR_MissingPredefinedMember,
new ErrArg(nubAggSym), new ErrArg(name));
return(null);
}
if (sym.IsMETHSYM)
{
methSym = sym as METHSYM;
if (methSym.ParameterTypes.Count == 0 &&
methSym.ParameterTypes.Count == 0 &&
methSym.ReturnTypeSym.IsTYVARSYM &&
!methSym.IsStatic &&
methSym.Access == ACCESS.PUBLIC)
{
break;
}
}
}
Compiler.MainSymbolManager.NullableGetValOrDefMethodSym = methSym;
}
return(methSym);
}
//------------------------------------------------------------
// CLSDREC.DefineExtensionMethod
//
/// <summary></summary>
/// <param name="methodNode"></param>
/// <param name="methodSym"></param>
//------------------------------------------------------------
internal void DefineExtensionMethod(METHODNODE methodNode, METHSYM methodSym)
{
DebugUtil.Assert(
methodNode != null && methodNode.IsExtensionMethod &&
methodSym != null);
//--------------------------------------------------------
//
//--------------------------------------------------------
AGGSYM parentAggSym = methodSym.ParentAggSym;
DebugUtil.Assert(parentAggSym != null);
if (!methodSym.IsStatic)
{
Compiler.Error(
methodNode,
CSCERRID.ERR_NonStaticExtensionMethod);
return;
}
if (!parentAggSym.IsStatic ||
(parentAggSym.AllTypeVariables != null &&
parentAggSym.AllTypeVariables.Count > 0))
{
Compiler.Error(
methodNode,
CSCERRID.ERR_ExtensionMethodInImproperClass);
return;
}
if (parentAggSym.IsNested)
{
Compiler.Error(
methodNode,
CSCERRID.ERR_ExtensionMethodInNestedClass,
new ErrArg(parentAggSym.Name));
return;
}
DefineExtensionMethodCore(methodSym);
}
//------------------------------------------------------------
// MetaDataHelper.GetAggregateFlags
//
/// <summary>
/// <para>Determine the flags for a typedef definition in metadata</para>
/// <para>Use System.Reflection.TypeAttribuetes in place of CorTypeAttr of sscli.</para>
/// <para>CorTypeAttr has a member named "Forwarder" which TypeAttributes does not has.</para>
/// </summary>
/// <param name="aggSym"></param>
/// <returns></returns>
//------------------------------------------------------------
internal static TypeAttributes GetAggregateFlags(AGGSYM aggSym)
{
TypeAttributes flags = 0;
// Determine flags.
// Set access flags.
flags |= GetTypeAccessFlags(aggSym);
// Set other flags
switch (aggSym.AggKind)
{
case AggKindEnum.Class:
if (aggSym.IsSealed)
{
flags |= TypeAttributes.Sealed;
}
if (aggSym.IsAbstract)
{
flags |= TypeAttributes.Abstract;
}
if (!aggSym.HasUserDefinedStaticCtor)
{
flags |= TypeAttributes.BeforeFieldInit;
}
break;
case AggKindEnum.Interface:
flags |= TypeAttributes.Interface | TypeAttributes.Abstract;
break;
case AggKindEnum.Enum:
DebugUtil.Assert(aggSym.IsSealed);
flags |= TypeAttributes.Sealed;
break;
case AggKindEnum.Struct:
DebugUtil.Assert(aggSym.IsSealed);
flags |= TypeAttributes.Sealed;
if (!aggSym.HasUserDefinedStaticCtor)
{
flags |= TypeAttributes.BeforeFieldInit;
}
if (aggSym.IsFabricated)
{
flags |= TypeAttributes.SequentialLayout; // Fabricated structs are always sequential
}
break;
case AggKindEnum.Delegate:
DebugUtil.Assert(aggSym.IsSealed);
flags |= TypeAttributes.Sealed;
break;
default:
DebugUtil.Assert(false);
break;
}
switch (aggSym.GetOutputFile().DefaultCharSet)
{
default:
DebugUtil.VsFail("A new value was added to System.Runtime.InteropServices.CharSet that we need to handle");
goto case 0;
case (System.Runtime.InteropServices.CharSet) 0: // Unset
case System.Runtime.InteropServices.CharSet.None: // 1:
break;
case System.Runtime.InteropServices.CharSet.Ansi: // 2:
flags |= TypeAttributes.AnsiClass;
break;
case System.Runtime.InteropServices.CharSet.Unicode: // 3:
flags |= TypeAttributes.UnicodeClass;
break;
case System.Runtime.InteropServices.CharSet.Auto: // 4:
flags |= TypeAttributes.AutoClass;
break;
}
return(flags);
}
//------------------------------------------------------------
// MetaDataHelper.GetExplicitImplTypeName
//
/// <summary></summary>
/// <param name="typeSym"></param>
/// <param name="strBuilder"></param>
//------------------------------------------------------------
public void GetExplicitImplTypeName(TYPESYM typeSym, StringBuilder strBuilder)
{
#if DEBUG
if (!(typeSym != null))
{
;
}
#endif
DebugUtil.Assert(typeSym != null);
TYPESYM nakedTypeSym = typeSym.GetNakedType(false);
TypeArray typeArgs = null;
switch (nakedTypeSym.Kind)
{
default:
DebugUtil.Assert(false, "Unhandled type in GetExplicitImplTypeName");
return;
case SYMKIND.TYVARSYM:
strBuilder.Append(nakedTypeSym.Name);
break;
case SYMKIND.NUBSYM:
nakedTypeSym = (nakedTypeSym as NUBSYM).GetAggTypeSym();
if (nakedTypeSym == null)
{
DebugUtil.Assert(false, "Why did GetAts return null?");
return;
}
// Fall through.
goto case SYMKIND.AGGTYPESYM;
case SYMKIND.AGGTYPESYM:
{
AGGTYPESYM outerAggTypeSym = (nakedTypeSym as AGGTYPESYM).OuterTypeSym;
AGGSYM aggSym = nakedTypeSym.GetAggregate();
if (outerAggTypeSym != null)
{
GetExplicitImplTypeName(outerAggTypeSym, strBuilder);
strBuilder.Append('.');
}
else
{
DebugUtil.Assert(aggSym.ParentBagSym != null && !aggSym.ParentBagSym.IsAGGSYM);
int cch = strBuilder.Length;
GetFullName(aggSym.ParentBagSym, strBuilder, aggSym);
if (cch < strBuilder.Length)
{
strBuilder.Append('.');
}
}
strBuilder.Append(aggSym.Name);
typeArgs = (nakedTypeSym as AGGTYPESYM).TypeArguments;
}
break;
case SYMKIND.ERRORSYM:
{
ERRORSYM errSym = nakedTypeSym as ERRORSYM;
SYM parentSym = errSym.ParentSym;
if (parentSym != null && parentSym.IsTYPESYM)
{
GetExplicitImplTypeName(parentSym as TYPESYM, strBuilder);
strBuilder.Append('.');
}
else if (parentSym != null && parentSym.IsNSAIDSYM)
{
parentSym = (parentSym as NSAIDSYM).NamespaceSym;
int cch = strBuilder.Length;
GetFullName(parentSym, strBuilder, errSym);
if (cch < strBuilder.Length)
{
strBuilder.Append('.');
}
}
strBuilder.Append(errSym.ErrorName);
typeArgs = errSym.TypeArguments;
}
break;
}
if (typeArgs != null && typeArgs.Count > 0)
{
strBuilder.Append('<');
for (int i = 0; i < typeArgs.Count; ++i)
{
if (i > 0)
{
strBuilder.Append(',');
}
GetExplicitImplTypeName(typeArgs[i], strBuilder);
}
strBuilder.Append('>');
}
// Add ptr and array modifiers
AddTypeModifiers(typeSym, strBuilder);
}
internal NestedTypeResolver(COMPILER comp, AGGSYM sym)
{
this.compiler = comp;
this.EnclosingAggSym = sym;
}
//------------------------------------------------------------
// ReflectionUtil.IsTypeBuilderInstruction
//
/// <summary></summary>
/// <param name="typeSym"></param>
/// <returns></returns>
//------------------------------------------------------------
internal static bool IsTypeBuilderInstruction(TYPESYM typeSym)
{
if (typeSym == null)
{
return(false);
}
Type type = null;
int count = 0;
int index = 0;
switch (typeSym.Kind)
{
//----------------------------------------------------
// AGGTYPESYM
//----------------------------------------------------
case SYMKIND.AGGTYPESYM:
AGGTYPESYM ats = typeSym as AGGTYPESYM;
DebugUtil.Assert(ats != null);
if (ats.AllTypeArguments == null ||
ats.AllTypeArguments.Count == 0)
{
return(false);
}
AGGSYM aggSym = ats.GetAggregate();
DebugUtil.Assert(aggSym != null);
if (aggSym.TypeBuilder != null)
{
return(true);
}
TypeArray typeArgs = ats.AllTypeArguments;
for (int i = 0; i < typeArgs.Count; ++i)
{
if (IsTypeBuilderInstruction(typeArgs[i]))
{
return(true);
}
}
return(false);
//----------------------------------------------------
// ARRAYSYM
//----------------------------------------------------
case SYMKIND.ARRAYSYM:
return(IsTypeBuilderInstruction(typeSym.ParentSym as TYPESYM));
//----------------------------------------------------
// VOIDSYM
//----------------------------------------------------
case SYMKIND.VOIDSYM:
return(false);
//----------------------------------------------------
// PARAMMODSYM
//----------------------------------------------------
case SYMKIND.PARAMMODSYM:
return(IsTypeBuilderInstruction(typeSym.ParentSym as TYPESYM));
//----------------------------------------------------
// TYVARSYM
//----------------------------------------------------
case SYMKIND.TYVARSYM:
return(true);
//----------------------------------------------------
// PTRSYM
//----------------------------------------------------
case SYMKIND.PTRSYM:
return(IsTypeBuilderInstruction((typeSym as PTRSYM).BaseTypeSym));
//----------------------------------------------------
// NUBSYM
//----------------------------------------------------
case SYMKIND.NUBSYM:
return(IsTypeBuilderInstruction((typeSym as NUBSYM).BaseTypeSym));
//----------------------------------------------------
// otherwise
//----------------------------------------------------
case SYMKIND.NULLSYM:
case SYMKIND.ERRORSYM:
break;
case SYMKIND.MODOPTTYPESYM:
throw new NotImplementedException("SymbolUtil.MakeSystemType: MODOPTTYPESYM");
case SYMKIND.ANONMETHSYM:
case SYMKIND.METHGRPSYM:
case SYMKIND.UNITSYM:
break;
default:
break;
}
return(false);
}
//------------------------------------------------------------
// AggIterator.Next
//------------------------------------------------------------
internal AGGSYM Next()
{
aggCur = GetNext(aggCur);
return(aggCur);
}
//------------------------------------------------------------
// FUNCBREC.HasIEnumerable (2)
//
/// <summary>
/// Rewrite HasIEnumerable for collection initializer.
/// Return the IEnumerable or IEnumerable<T> instance.
/// </summary>
/// <param name="collection"></param>
/// <param name="tree"></param>
/// <param name="badType"></param>
/// <param name="badMember"></param>
/// <returns></returns>
//------------------------------------------------------------
private AGGTYPESYM HasIEnumerable(
TYPESYM collectionTypeSym/*,
* BASENODE treeNode,
* TYPESYM badTypeSym,
* PREDEFNAME badMemberName*/
)
{
AGGTYPESYM ifaceCandidateAts = null;
// First try the generic interfaces
AGGSYM gEnumAggSym
= Compiler.GetOptPredefAgg(PREDEFTYPE.G_IENUMERABLE, true);
TypeArray allIfacesTypeArray = null;
AGGTYPESYM baseAts = null;
// If generics don't exist or the type isn't an AGGTYPESYM
// then we can't check the interfaces (and base-class interfaces)
// for IEnumerable<T> so immediately try the non-generic IEnumerable
if (gEnumAggSym == null)
{
goto NO_GENERIC;
}
if (collectionTypeSym.IsAGGTYPESYM)
{
if (collectionTypeSym.GetAggregate() == gEnumAggSym ||
collectionTypeSym.IsPredefType(PREDEFTYPE.IENUMERABLE))
{
DebugUtil.Assert(false, "IEnumerable/ator types are bad!");
goto LERROR;
}
AGGTYPESYM tempAts = collectionTypeSym as AGGTYPESYM;
allIfacesTypeArray = tempAts.GetIfacesAll();
baseAts = tempAts.GetBaseClass();
}
else if (collectionTypeSym.IsTYVARSYM)
{
// Note:
// we'll search the interface list before the class constraint,
// but it doesn't matter since we require a unique instantiation of IEnumerable<T>.
// Note:
// The pattern search will usually find the interface constraint
// - but if the class constraint has a non-public or non-applicable
// or non-method GetEnumerator,
// the interfaces are hidden in which case we will find them here.
TYVARSYM tempTvSym = collectionTypeSym as TYVARSYM;
allIfacesTypeArray = tempTvSym.AllInterfaces;
baseAts = tempTvSym.BaseClassSym;
}
else
{
goto NO_GENERIC;
}
DebugUtil.Assert(allIfacesTypeArray != null);
// If the type implements exactly one instantiation of
// IEnumerable<T> then it's the one.
//
// If it implements none then try the non-generic interface.
//
// If it implements more than one, then it's an error.
//
// Search the direct and indirect interfaces via allIfacesTypeArray,
// going up the base chain...
// Work up the base chain
for (; ;)
{
// Now work across all the interfaces
for (int i = 0; i < allIfacesTypeArray.Count; ++i)
{
AGGTYPESYM iface = allIfacesTypeArray[i] as AGGTYPESYM;
if (iface.GetAggregate() == gEnumAggSym)
{
if (ifaceCandidateAts == null)
{
// First implementation
ifaceCandidateAts = iface;
}
else if (iface != ifaceCandidateAts)
{
// If this really is a different instantiation report an error
Compiler.Error(
treeNode,
CSCERRID.ERR_MultipleIEnumOfT,
new ErrArgRef(collectionTypeSym),
new ErrArg(gEnumAggSym.GetThisType()));
return(null);
}
}
}
// Check the base class.
if (baseAts == null)
{
break;
}
allIfacesTypeArray = baseAts.GetIfacesAll();
baseAts = baseAts.GetBaseClass();
}
// Report the one and only generic interface
if (ifaceCandidateAts != null)
{
DebugUtil.Assert(
CanConvert(collectionTypeSym, ifaceCandidateAts, ConvertTypeEnum.NOUDC));
return(ifaceCandidateAts);
}
NO_GENERIC:
if (collectionTypeSym.IsPredefType(PREDEFTYPE.IENUMERABLE))
{
DebugUtil.VsFail("Why didn't IEnumerator match the pattern?");
goto LERROR;
}
// No errors, no generic interfaces, try the non-generic interface
ifaceCandidateAts = GetRequiredPredefinedType(PREDEFTYPE.IENUMERABLE);
if (CanConvert(collectionTypeSym, ifaceCandidateAts, ConvertTypeEnum.NOUDC))
{
return(ifaceCandidateAts);
}
LERROR:
return(null);
}
//------------------------------------------------------------
// FUNCBREC.SetFncBrecExtFields
//
/// <summary></summary>
/// <returns></returns>
//------------------------------------------------------------
private bool SetFncBrecExtFields()
{
if (systemNsSym == null)
{
systemNsSym = Compiler.LookupInBagAid(
"System",
Compiler.MainSymbolManager.RootNamespaceSym,
0,
0,
SYMBMASK.NSSYM) as NSSYM;
}
if (systemNsSym == null)
{
Compiler.Error(CSCERRID.ERR_SingleTypeNameNotFound, new ErrArg("System"));
return(false);
}
if (reflectionNsSym == null)
{
reflectionNsSym = Compiler.LookupInBagAid(
"Reflection",
systemNsSym,
0,
0,
SYMBMASK.NSSYM) as NSSYM;
}
if (reflectionNsSym == null)
{
Compiler.Error(CSCERRID.ERR_SingleTypeNameNotFound, new ErrArg("Reflection"));
return(false);
}
if (systemTypeAggTypeSym == null)
{
systemTypeAggSym = Compiler.LookupInBagAid(
"Type",
systemNsSym,
0,
0,
SYMBMASK.AGGSYM) as AGGSYM;
systemTypeAggTypeSym = systemTypeAggSym.GetThisType();
}
if (systemTypeAggTypeSym == null)
{
Compiler.Error(CSCERRID.ERR_SingleTypeNameNotFound, new ErrArg("Type"));
return(false);
}
if (systemTypeArraySym == null)
{
systemTypeArraySym = Compiler.MainSymbolManager.GetArray(
systemTypeAggTypeSym,
1,
systemTypeAggTypeSym.Type.MakeArrayType());
}
if (systemTypeArraySym == null)
{
Compiler.Error(CSCERRID.ERR_SingleTypeNameNotFound, new ErrArg("Type[]"));
return(false);
}
return(true);
}
