diff --git a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/ExpressionTreeCallRewriter.cs b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/ExpressionTreeCallRewriter.cs
index aa8afa5a1b..3a2518246a 100644
--- a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/ExpressionTreeCallRewriter.cs
+++ b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/ExpressionTreeCallRewriter.cs
@@ -246,8 +246,9 @@ namespace Microsoft.CSharp.RuntimeBinder
ExprArrayInit arrinit;
ExprList list = (ExprList)pExpr.OptionalArguments;
- if (list.OptionalNextListNode is ExprList next)
+ if (list.OptionalNextListNode is ExprList)
{
+ ExprList next = (ExprList)list.OptionalNextListNode;
methinfo = (ExprMethodInfo)next.OptionalElement;
arrinit = (ExprArrayInit)next.OptionalNextListNode;
}
@@ -382,8 +383,9 @@ namespace Microsoft.CSharp.RuntimeBinder
Expr nextNode = list.OptionalNextListNode;
ExprPropertyInfo propinfo;
ExprArrayInit arguments;
- if (nextNode is ExprList nextList)
+ if (nextNode is ExprList)
{
+ ExprList nextList = (ExprList)list.OptionalNextListNode;
propinfo = nextList.OptionalElement as ExprPropertyInfo;
arguments = nextList.OptionalNextListNode as ExprArrayInit;
}
@@ -553,8 +555,9 @@ namespace Microsoft.CSharp.RuntimeBinder
list = (ExprList)list.OptionalNextListNode;
MethodInfo methodInfo;
bool bIsLifted = false;
- if (list.OptionalNextListNode is ExprList next)
+ if (list.OptionalNextListNode is ExprList)
{
+ ExprList next = (ExprList)list.OptionalNextListNode;
ExprConstant isLifted = (ExprConstant)next.OptionalElement;
Debug.Assert(isLifted != null);
bIsLifted = isLifted.Val.Int32Val == 1;
@@ -677,8 +680,9 @@ namespace Microsoft.CSharp.RuntimeBinder
private Expression GetExpression(Expr pExpr)
{
- if (pExpr is ExprWrap wrap)
+ if (pExpr is ExprWrap)
{
+ ExprWrap wrap = (ExprWrap) pExpr;
return _DictionaryOfParameters[(ExprCall)wrap.OptionalExpression];
}
else if (pExpr is ExprConstant)
@@ -875,20 +879,24 @@ namespace Microsoft.CSharp.RuntimeBinder
{
for (;;)
{
- if (pExpr is ExprCast cast)
+ if (pExpr is ExprCast)
{
+ ExprCast cast = (ExprCast) pExpr;
pExpr = cast.Argument;
}
- else if (pExpr is ExprTypeOf typeOf)
+ else if (pExpr is ExprTypeOf)
{
+ ExprTypeOf typeOf = (ExprTypeOf) pExpr;
return typeOf.SourceType.Type.AssociatedSystemType;
}
- else if (pExpr is ExprMethodInfo methodInfo)
+ else if (pExpr is ExprMethodInfo)
{
+ ExprMethodInfo methodInfo = (ExprMethodInfo) pExpr;
return GetMethodInfoFromExpr(methodInfo);
}
- else if (pExpr is ExprConstant constant)
+ else if (pExpr is ExprConstant)
{
+ ExprConstant constant = (ExprConstant) pExpr;
ConstVal val = constant.Val;
CType underlyingType = pExpr.Type;
object objval;
@@ -954,8 +962,9 @@ namespace Microsoft.CSharp.RuntimeBinder
return pExpr.Type.isEnumType() ? Enum.ToObject(pExpr.Type.AssociatedSystemType, objval) : objval;
}
- else if (pExpr is ExprZeroInit zeroInit)
+ else if (pExpr is ExprZeroInit)
{
+ ExprZeroInit zeroInit = (ExprZeroInit) pExpr;
if ((pExpr = zeroInit.OptionalArgument) == null)
{
return Activator.CreateInstance(zeroInit.Type.AssociatedSystemType);
@@ -981,8 +990,9 @@ namespace Microsoft.CSharp.RuntimeBinder
Expr p = list;
while (list != null)
{
- if (list is ExprList pList)
+ if (list is ExprList)
{
+ ExprList pList = (ExprList) list;
p = pList.OptionalElement;
list = pList.OptionalNextListNode;
}
diff --git a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/RuntimeBinder.cs b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/RuntimeBinder.cs
index 6dc888c6ef..89f881f668 100644
--- a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/RuntimeBinder.cs
+++ b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/RuntimeBinder.cs
@@ -195,7 +195,8 @@ namespace Microsoft.CSharp.RuntimeBinder
LocalVariableSymbol[] locals = PopulateLocalScope(payload, pScope, arguments, parameters);
// (1.5) - Check to see if we need to defer.
- if (DeferBinding(payload, arguments, args, locals, out DynamicMetaObject o))
+ DynamicMetaObject o;
+ if (DeferBinding(payload, arguments, args, locals, out o))
{
deferredBinding = o;
return null;
@@ -1053,8 +1054,9 @@ namespace Microsoft.CSharp.RuntimeBinder
private static void CheckForConditionalMethodError(Expr pExpr)
{
- if (pExpr is ExprCall call)
+ if (pExpr is ExprCall)
{
+ ExprCall call = (ExprCall)pExpr;
// This mimics the behavior of the native CompilerSymbolLoader in GetConditionalSymbols. Override
// methods cannot have the conditional attribute, but implicitly acquire it from their slot.
@@ -1087,8 +1089,9 @@ namespace Microsoft.CSharp.RuntimeBinder
ExprMemberGroup memgroup;
TypeArray typeArgs;
- if (pResult is ExprCall call)
+ if (pResult is ExprCall)
{
+ ExprCall call = (ExprCall) pResult;
type = call.MethWithInst.Ats;
methprop = call.MethWithInst.Meth();
memgroup = call.MemberGroup;
@@ -1155,12 +1158,15 @@ namespace Microsoft.CSharp.RuntimeBinder
private Expr StripNamedArgument(Expr pArg)
{
- if (pArg is ExprNamedArgumentSpecification named)
+ if (pArg is ExprNamedArgumentSpecification)
{
+ ExprNamedArgumentSpecification named =
+ (ExprNamedArgumentSpecification) pArg;
pArg = named.Value;
}
- else if (pArg is ExprArrayInit init)
+ else if (pArg is ExprArrayInit)
{
+ ExprArrayInit init = (ExprArrayInit) pArg;
init.OptionalArguments = StripNamedArguments(init.OptionalArguments);
}
@@ -1169,14 +1175,16 @@ namespace Microsoft.CSharp.RuntimeBinder
private Expr StripNamedArguments(Expr pArg)
{
- if (pArg is ExprList list)
+ if (pArg is ExprList)
{
+ ExprList list = (ExprList) pArg;
for(;;)
{
list.OptionalElement = StripNamedArgument(list.OptionalElement);
- if (list.OptionalNextListNode is ExprList next)
+ if (list.OptionalNextListNode is ExprList)
{
+ ExprList next = (ExprList)list.OptionalNextListNode;
list = next;
}
else
diff --git a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Binding/Better.cs b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Binding/Better.cs
index cebfcd94e1..179ac21620 100644
--- a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Binding/Better.cs
+++ b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Binding/Better.cs
@@ -157,8 +157,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
// We then go over the specified arguments and put the type for any named argument in the right position in the array.
for (int iParam = 0; iParam < args.carg; iParam++)
{
- if (prgexpr[iParam] is ExprNamedArgumentSpecification named)
+ if (prgexpr[iParam] is ExprNamedArgumentSpecification)
{
+ ExprNamedArgumentSpecification named = (ExprNamedArgumentSpecification)prgexpr[iParam];
// We find the index of the type of the argument in the method parameter list and store that in a temp
int index = FindName(methProp.ParameterNames, named.Name);
CType tempType = pta[index];
diff --git a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Binding/ErrorReporting.cs b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Binding/ErrorReporting.cs
index c406af43de..0ea81ef21c 100644
--- a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Binding/ErrorReporting.cs
+++ b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Binding/ErrorReporting.cs
@@ -76,22 +76,25 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
{
Debug.Assert(expr != null);
- if (expr is ExprLocal local && local.IsOK)
+ if (expr is ExprLocal && ((ExprLocal)expr).IsOK)
{
+ ExprLocal local = (ExprLocal)expr;
ReportLocalError(local.Local, kind, isNested);
return true;
}
Expr pObject = null;
- if (expr is ExprProperty prop)
+ if (expr is ExprProperty)
{
+ ExprProperty prop = (ExprProperty)expr;
// We've already reported read-only-property errors.
Debug.Assert(prop.MethWithTypeSet != null);
pObject = prop.MemberGroup.OptionalObject;
}
- else if (expr is ExprField field)
+ else if (expr is ExprField)
{
+ ExprField field = (ExprField)expr;
if (field.FieldWithType.Field().isReadOnly)
{
ReportReadOnlyError(field, kind, isNested);
@@ -105,8 +108,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
if (pObject != null && pObject.Type.isStructOrEnum())
{
- if (pObject is IExprWithArgs withArgs)
+ if (pObject is IExprWithArgs)
{
+ IExprWithArgs withArgs = (IExprWithArgs)pObject;
// assigning to RHS of method or property getter returning a value-type on the stack or
// passing RHS of method or property getter returning a value-type on the stack, as ref or out
ErrorContext.Error(ErrorCode.ERR_ReturnNotLValue, withArgs.GetSymWithType());
diff --git a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Conversion.cs b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Conversion.cs
index bb62a926b5..873feff72f 100644
--- a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Conversion.cs
+++ b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Conversion.cs
@@ -391,9 +391,10 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
FUNDTYPE ftSrc = expr.Type.fundType();
FUNDTYPE ftDest = dest.fundType();
- if (expr is ExprConstant constant && constant.IsOK &&
+ if (expr is ExprConstant && ((ExprConstant)expr).IsOK &&
expr.Type.isSimpleType() && dest.isSimpleType())
{
+ ExprConstant constant = (ExprConstant) expr;
if ((ftSrc == FUNDTYPE.FT_I4 && (ftDest <= FUNDTYPE.FT_LASTNONLONG || ftDest == FUNDTYPE.FT_U8)) ||
(ftSrc == FUNDTYPE.FT_I8 && ftDest == FUNDTYPE.FT_U8))
{
@@ -421,8 +422,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
ErrorContext.Error(dest is TypeParameterType ? ErrorCode.ERR_TypeVarCantBeNull : ErrorCode.ERR_ValueCantBeNull, dest);
}
- else if (expr is ExprMemberGroup memGrp)
+ else if (expr is ExprMemberGroup)
{
+ ExprMemberGroup memGrp = (ExprMemberGroup) expr;
BindGrpConversion(memGrp, dest, true);
}
else if (!TypeManager.TypeContainsAnonymousTypes(dest) && canCast(expr.Type, dest, flags))
@@ -555,8 +557,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
{
ErrorContext.Error(ErrorCode.ERR_ValueCantBeNull, dest);
}
- else if (expr is ExprMemberGroup memGrp)
+ else if (expr is ExprMemberGroup)
{
+ ExprMemberGroup memGrp = (ExprMemberGroup)expr;
BindGrpConversion(memGrp, dest, true);
}
else
@@ -1396,8 +1399,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
for (;;)
{
Debug.Assert(pExpr != null);
- if (pExpr is ExprCall call)
+ if (pExpr is ExprCall)
{
+ ExprCall call = (ExprCall)pExpr;
switch (call.NullableCallLiftKind)
{
case NullableCallLiftKind.NotLifted:
@@ -1411,8 +1415,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
continue;
}
}
- else if (pExpr is ExprUserDefinedConversion udc)
+ else if (pExpr is ExprUserDefinedConversion)
{
+ ExprUserDefinedConversion udc = (ExprUserDefinedConversion)pExpr;
pExpr = udc.UserDefinedCall;
continue;
}
diff --git a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/EXPRExtensions.cs b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/EXPRExtensions.cs
index 075ed23a11..6408df4c36 100644
--- a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/EXPRExtensions.cs
+++ b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/EXPRExtensions.cs
@@ -33,8 +33,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
Expr exprCur = expr;
while (exprCur != null)
{
- if (exprCur is ExprList list)
+ if (exprCur is ExprList)
{
+ ExprList list = (ExprList)exprCur;
yield return list.OptionalElement;
exprCur = list.OptionalNextListNode;
}
@@ -61,12 +62,12 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
}
public static bool isNull(this Expr expr)
{
- return expr is ExprConstant constant && constant.IsOK && (expr.Type.fundType() == FUNDTYPE.FT_REF) && constant.Val.IsNullRef;
+ return expr is ExprConstant && ((ExprConstant)expr).IsOK && (expr.Type.fundType() == FUNDTYPE.FT_REF) && ((ExprConstant)expr).Val.IsNullRef;
}
public static bool IsZero(this Expr expr)
{
- return expr is ExprConstant constant && constant.IsOK && constant.IsZero;
+ return expr is ExprConstant && ((ExprConstant)expr).IsOK && ((ExprConstant)expr).IsZero;
}
private static Expr GetSeqVal(this Expr expr)
diff --git a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/ExplicitConversion.cs b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/ExplicitConversion.cs
index 6ea8879c40..137e950e76 100644
--- a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/ExplicitConversion.cs
+++ b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/ExplicitConversion.cs
@@ -207,8 +207,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
VSFAIL("BindExplicitConversion failed unexpectedly");
return false;
}
- if (_exprDest is ExprUserDefinedConversion udc)
+ if (_exprDest is ExprUserDefinedConversion)
{
+ ExprUserDefinedConversion udc = (ExprUserDefinedConversion)_exprDest;
udc.Argument = _exprSrc;
}
}
diff --git a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/ExprFactory.cs b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/ExprFactory.cs
index 99ee57626a..ec0d29d6f3 100644
--- a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/ExprFactory.cs
+++ b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/ExprFactory.cs
@@ -265,8 +265,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
ExprUserLogicalOp rval = new ExprUserLogicalOp(pType);
Expr leftChild = ((ExprList)pCallOp.OptionalArguments).OptionalElement;
Debug.Assert(leftChild != null);
- if (leftChild is ExprWrap wrap)
+ if (leftChild is ExprWrap)
{
+ ExprWrap wrap = (ExprWrap)leftChild;
// In the EE case, we don't create WRAPEXPRs.
leftChild = wrap.OptionalExpression;
Debug.Assert(leftChild != null);
diff --git a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/ExpressionBinder.cs b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/ExpressionBinder.cs
index 60a1661eac..dc04fa1657 100644
--- a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/ExpressionBinder.cs
+++ b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/ExpressionBinder.cs
@@ -601,10 +601,11 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
// Check if we have a compile time constant. If we do, create a constant for it and set the
// original tree to the cast.
- if (exprConst is ExprConstant constant && exprFlags == 0 &&
+ if (exprConst is ExprConstant && exprFlags == 0 &&
exprSrc.Type.fundType() == typeDest.fundType() &&
- (!exprSrc.Type.isPredefType(PredefinedType.PT_STRING) || constant.Val.IsNullRef))
+ (!exprSrc.Type.isPredefType(PredefinedType.PT_STRING) || ((ExprConstant)exprConst).Val.IsNullRef))
{
+ ExprConstant constant = (ExprConstant)exprConst;
ExprConstant expr = GetExprFactory().CreateConstant(typeDest, constant.Val);
pexprDest = expr;
return;
@@ -1191,8 +1192,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
while (list != null)
{
Expr arg;
- if (list is ExprList next)
+ if (list is ExprList)
{
+ ExprList next = (ExprList)list;
arg = next.OptionalElement;
list = next.OptionalNextListNode;
}
@@ -1265,8 +1267,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
private Expr UnwrapExpression(Expr pExpression)
{
- while (pExpression is ExprWrap wrap)
+ while (pExpression is ExprWrap)
{
+ ExprWrap wrap = (ExprWrap)pExpression;
Expr wrapped = wrap.OptionalExpression;
if (wrapped == null)
{
@@ -1344,8 +1347,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
return false;
if (expr.isLvalue())
{
- if (expr is ExprProperty prop)
+ if (expr is ExprProperty)
{
+ ExprProperty prop = (ExprProperty)expr;
CheckLvalueProp(prop);
}
markFieldAssigned(expr);
@@ -1571,9 +1575,10 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
// If we're invoking code on a struct-valued field, mark the struct as assigned (to
// avoid warning CS0649).
- if (pObject is ExprField field && !field.FieldWithType.Field().isAssigned && !swt.Sym.IsFieldSymbol() &&
+ if (pObject is ExprField && !((ExprField)pObject).FieldWithType.Field().isAssigned && !swt.Sym.IsFieldSymbol() &&
typeObj.isStructType() && !typeObj.isPredefined())
{
+ ExprField field = (ExprField) pObject;
field.FieldWithType.Field().isAssigned = true;
}
@@ -1786,8 +1791,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
Expr argument = indir;
Expr rval;
- if (argument is ExprNamedArgumentSpecification named)
+ if (argument is ExprNamedArgumentSpecification)
{
+ ExprNamedArgumentSpecification named = (ExprNamedArgumentSpecification)argument;
int index = 0;
// If we're named, look for the type of the matching name.
foreach (Name i in mostDerivedMethod.ParameterNames)
@@ -1928,8 +1934,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
Expr expr = it.Current();
count++;
- if (expr is ExprNamedArgumentSpecification named)
+ if (expr is ExprNamedArgumentSpecification)
{
+ ExprNamedArgumentSpecification named = (ExprNamedArgumentSpecification)expr;
named.Value = tryConvert(named.Value, elementType);
}
else
@@ -1951,8 +1958,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
private void markFieldAssigned(Expr expr)
{
- if (0 != (expr.Flags & EXPRFLAG.EXF_LVALUE) && expr is ExprField field)
+ if (0 != (expr.Flags & EXPRFLAG.EXF_LVALUE) && expr is ExprField)
{
+ ExprField field = (ExprField) expr;
FieldSymbol symbol;
do
{
@@ -2019,8 +2027,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
for (Expr list = args; list != null; iarg++)
{
Expr arg;
- if (list is ExprList next)
+ if (list is ExprList)
{
+ ExprList next = (ExprList)list;
arg = next.OptionalElement;
list = next.OptionalNextListNode;
}
@@ -2374,8 +2383,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
{
Expr arg;
- if (list is ExprList next)
+ if (list is ExprList)
{
+ ExprList next = (ExprList)list;
arg = next.OptionalElement;
list = next.OptionalNextListNode;
}
diff --git a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/GroupToArgsBinder.cs b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/GroupToArgsBinder.cs
index 7708f197ae..b75ac340be 100644
--- a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/GroupToArgsBinder.cs
+++ b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/GroupToArgsBinder.cs
@@ -510,7 +510,7 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
// then let us through.
if (methprop.isParamArray &&
index < pArguments.carg &&
- pArguments.prgexpr[index] is ExprArrayInit arrayInit && arrayInit.GeneratedForParamArray)
+ pArguments.prgexpr[index] is ExprArrayInit && ((ExprArrayInit)pArguments.prgexpr[index]).GeneratedForParamArray)
{
paramArrayArgument = pArguments.prgexpr[index];
}
@@ -518,7 +518,7 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
// Positional.
if (index < pArguments.carg &&
!(pArguments.prgexpr[index] is ExprNamedArgumentSpecification) &&
- !(pArguments.prgexpr[index] is ExprArrayInit arrayInitPos && arrayInitPos.GeneratedForParamArray))
+ !(pArguments.prgexpr[index] is ExprArrayInit && ((ExprArrayInit)pArguments.prgexpr[index]).GeneratedForParamArray))
{
pExprArguments[index] = pArguments.prgexpr[index++];
continue;
@@ -839,7 +839,7 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
for (int i = 0; i < pArguments.carg; i++)
{
Expr expr = prgexpr[i];
- if (expr is ExprNamedArgumentSpecification named && named.Name == pName)
+ if (expr is ExprNamedArgumentSpecification && ((ExprNamedArgumentSpecification)expr).Name == pName)
{
return expr;
}
@@ -861,7 +861,8 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
HashSet<Name> names = new HashSet<Name>();
for (int i = 0; i < _pArguments.carg; i++)
{
- if (!(_pArguments.prgexpr[i] is ExprNamedArgumentSpecification named))
+ ExprNamedArgumentSpecification named;
+ if (!(_pArguments.prgexpr[i] is ExprNamedArgumentSpecification))
{
if (!currentPosition.IsEmpty())
{
@@ -869,6 +870,7 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
}
continue;
}
+ named = (ExprNamedArgumentSpecification) _pArguments.prgexpr[i];
Name name = named.Name;
if (!methprop.ParameterNames.Contains(name))
@@ -1080,8 +1082,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
Expr pArgument = _pArguments.prgexpr[ivar];
// If we have a named argument, strip it to do the conversion.
- if (pArgument is ExprNamedArgumentSpecification named)
+ if (pArgument is ExprNamedArgumentSpecification)
{
+ ExprNamedArgumentSpecification named = (ExprNamedArgumentSpecification)pArgument;
pArgument = named.Value;
}
diff --git a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/ImplicitConversion.cs b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/ImplicitConversion.cs
index f1a0159e53..fdbd1dd426 100644
--- a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/ImplicitConversion.cs
+++ b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/ImplicitConversion.cs
@@ -172,8 +172,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
VSFAIL("Bad type symbol kind");
break;
case TypeKind.TK_MethodGroupType:
- if (_exprSrc is ExprMemberGroup memGrp)
+ if (_exprSrc is ExprMemberGroup)
{
+ ExprMemberGroup memGrp = (ExprMemberGroup)_exprSrc;
ExprCall outExpr;
bool retVal = _binder.BindGrpConversion(memGrp, _typeDest, _needsExprDest, out outExpr, false);
_exprDest = outExpr;
@@ -744,10 +745,10 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
// * A constant-expression of type long can be converted to type ulong, provided the value of
// the constant-expression is not negative.
// Note: Don't use GetConst here since the conversion only applies to bona-fide compile time constants.
- if (_exprSrc is ExprConstant constant && _exprSrc.IsOK &&
+ if (_exprSrc is ExprConstant && _exprSrc.IsOK &&
((ptSrc == PredefinedType.PT_INT && ptDest != PredefinedType.PT_BOOL && ptDest != PredefinedType.PT_CHAR) ||
(ptSrc == PredefinedType.PT_LONG && ptDest == PredefinedType.PT_ULONG)) &&
- isConstantInRange(constant, _typeDest))
+ isConstantInRange(((ExprConstant)_exprSrc), _typeDest))
{
// Special case (CLR 6.1.6): if integral constant is in range, the conversion is a legal implicit conversion.
convertKind = ConvKind.Implicit;
diff --git a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/MethodTypeInferrer.cs b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/MethodTypeInferrer.cs
index 589b9c96d0..2559ca5c85 100644
--- a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/MethodTypeInferrer.cs
+++ b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/MethodTypeInferrer.cs
@@ -1064,10 +1064,11 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
// SPEC: yields a single method with return CType U then a lower-bound
// SPEC: inference is made from U to Tb.
- if (!(pSource is ExprMemberGroup memGrp))
+ if (!(pSource is ExprMemberGroup))
{
return false;
}
+ ExprMemberGroup memGrp = (ExprMemberGroup)pSource;
pType = pType.GetDelegateTypeOfPossibleExpression();
if (!pType.isDelegateType())
{
diff --git a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Nullable.cs b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Nullable.cs
index 19dbea7e2f..1d258f2d67 100644
--- a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Nullable.cs
+++ b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Nullable.cs
@@ -29,8 +29,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
{
Debug.Assert(expr != null);
- if (expr is ExprCall pCall && pCall.MemberGroup.OptionalObject == null)
+ if (expr is ExprCall && ((ExprCall)expr).MemberGroup.OptionalObject == null)
{
+ ExprCall pCall = (ExprCall)expr;
MethodSymbol meth = pCall.MethWithInst.Meth();
if (meth != null && meth.IsNullableConstructor())
{
@@ -45,7 +46,8 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
public static Expr StripNullableConstructor(Expr pExpr)
{
- while (IsNullableConstructor(pExpr, out ExprCall call))
+ ExprCall call;
+ while (IsNullableConstructor(pExpr, out call))
{
pExpr = call.OptionalArguments;
Debug.Assert(pExpr != null && !(pExpr is ExprList));
@@ -60,7 +62,8 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
Debug.Assert(exprSrc != null && exprSrc.Type.IsNullableType());
// For new T?(x), the answer is x.
- if (IsNullableConstructor(exprSrc, out ExprCall call))
+ ExprCall call;
+ if (IsNullableConstructor(exprSrc, out call))
{
var args = call.OptionalArguments;
Debug.Assert(args != null && !(args is ExprList));
diff --git a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Tree/ExpressionIterator.cs b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Tree/ExpressionIterator.cs
index 96ee032422..9397543de6 100644
--- a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Tree/ExpressionIterator.cs
+++ b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Tree/ExpressionIterator.cs
@@ -83,8 +83,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
_pList = null;
_pCurrent = null;
}
- else if (pExpr is ExprList pList)
+ else if (pExpr is ExprList)
{
+ ExprList pList = (ExprList)pExpr;
_pList = pList;
_pCurrent = pList.OptionalElement;
}
diff --git a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Tree/Visitors/ExprVisitorBase.cs b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Tree/Visitors/ExprVisitorBase.cs
index e2ce8e88f5..ded4d0b216 100644
--- a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Tree/Visitors/ExprVisitorBase.cs
+++ b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Tree/Visitors/ExprVisitorBase.cs
@@ -21,8 +21,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
return pResult;
}
- if (pExpr is ExprStatement statement)
+ if (pExpr is ExprStatement)
{
+ ExprStatement statement = (ExprStatement)pExpr;
return CacheExprMapping(pExpr, DispatchStatementList(statement));
}
@@ -279,11 +280,13 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
return;
}
- if (!(nextNode is ExprList next))
+ ExprList next;
+ if (!(nextNode is ExprList))
{
list.OptionalNextListNode = Visit(nextNode);
return;
}
+ next = (ExprList)nextNode;
list = next;
}
diff --git a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Tree/Visitors/ExpressionTreeRewriter.cs b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Tree/Visitors/ExpressionTreeRewriter.cs
index 8a841ee5d9..cb40a59f6d 100644
--- a/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Tree/Visitors/ExpressionTreeRewriter.cs
+++ b/src/Microsoft.CSharp/src/Microsoft/CSharp/RuntimeBinder/Semantics/Tree/Visitors/ExpressionTreeRewriter.cs
@@ -54,8 +54,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
// For assignments, we either have a member assignment or an indexed assignment.
//Debug.Assert(assignment.GetLHS().isPROP() || assignment.GetLHS().isFIELD() || assignment.GetLHS().isARRAYINDEX() || assignment.GetLHS().isLOCAL());
Expr lhs;
- if (assignment.LHS is ExprProperty prop)
+ if (assignment.LHS is ExprProperty)
{
+ ExprProperty prop = (ExprProperty)assignment.LHS;
if (prop.OptionalArguments== null)
{
// Regular property.
@@ -318,8 +319,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
// can handle in the general case all implicit boxing conversions. Right now it
// requires that all arguments to a call that need to be boxed be explicitly boxed.
- if (pObject != null && pObject is ExprCast cast && cast.IsBoxingCast)
+ if (pObject != null && pObject is ExprCast && ((ExprCast)pObject).IsBoxingCast)
{
+ ExprCast cast = (ExprCast) pObject;
pObject = cast.Argument;
}
pObject = Visit(pObject);
@@ -597,8 +599,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
if (udcall != null)
{
Debug.Assert(udcall.Kind == ExpressionKind.Call || udcall.Kind == ExpressionKind.UserLogicalOp);
- if (udcall is ExprCall ascall)
+ if (udcall is ExprCall)
{
+ ExprCall ascall = (ExprCall)udcall;
ExprList args = (ExprList)ascall.OptionalArguments;
Debug.Assert(args.OptionalNextListNode.Kind != ExpressionKind.List);
p1 = args.OptionalElement;
@@ -731,8 +734,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
ExprBlock body = anonmeth.OptionalBody;
// The most likely case:
- if (body.OptionalStatements is ExprReturn ret)
+ if (body.OptionalStatements is ExprReturn)
{
+ ExprReturn ret = (ExprReturn)body.OptionalStatements;
Debug.Assert(ret.OptionalObject != null);
return Visit(ret.OptionalObject);
}
@@ -854,8 +858,9 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
Expr pUDConversion = call?.PConversions;
if (pUDConversion != null)
{
- if (pUDConversion is ExprCall convCall)
+ if (pUDConversion is ExprCall)
{
+ ExprCall convCall = (ExprCall)pUDConversion;
Expr pUDConversionArgument = convCall.OptionalArguments;
if (IsNullableValueAccess(pUDConversionArgument, pArgument))
{
@@ -1238,23 +1243,25 @@ namespace Microsoft.CSharp.RuntimeBinder.Semantics
private bool IsNullableValueAccess(Expr pExpr, Expr pObject)
{
Debug.Assert(pExpr != null);
- return pExpr is ExprProperty prop && prop.MemberGroup.OptionalObject == pObject && pObject.Type.IsNullableType();
+ return pExpr is ExprProperty && ((ExprProperty)pExpr).MemberGroup.OptionalObject == pObject && pObject.Type.IsNullableType();
}
private bool IsDelegateConstructorCall(Expr pExpr)
{
Debug.Assert(pExpr != null);
- if (!(pExpr is ExprCall pCall))
+ ExprCall pCall;
+ if (!(pExpr is ExprCall))
{
return false;
}
+ pCall = (ExprCall)pExpr;
return pCall.MethWithInst.Meth() != null &&
pCall.MethWithInst.Meth().IsConstructor() &&
pCall.Type.isDelegateType() &&
pCall.OptionalArguments != null &&
- pCall.OptionalArguments is ExprList list &&
- list.OptionalNextListNode.Kind == ExpressionKind.FunctionPointer;
+ (pCall.OptionalArguments is ExprList) &&
+ ((ExprList)pCall.OptionalArguments).OptionalNextListNode.Kind == ExpressionKind.FunctionPointer;
}
private static bool isEnumToDecimalConversion(CType argtype, CType desttype)
{
diff --git a/src/System.Collections/src/System/Collections/Generic/SortedSet.TreeSubSet.cs b/src/System.Collections/src/System/Collections/Generic/SortedSet.TreeSubSet.cs
index 4eb817c0af..671636f428 100644
--- a/src/System.Collections/src/System/Collections/Generic/SortedSet.TreeSubSet.cs
+++ b/src/System.Collections/src/System/Collections/Generic/SortedSet.TreeSubSet.cs
@@ -352,7 +352,10 @@ namespace System.Collections.Generic
throw new PlatformNotSupportedException();
}
- protected override void OnDeserialization(Object sender) => throw new PlatformNotSupportedException();
+ protected override void OnDeserialization(Object sender)
+ {
+ throw new PlatformNotSupportedException();
+ }
}
}
}
diff --git a/src/System.Linq.Expressions/src/System/Dynamic/Utils/TypeExtensions.cs b/src/System.Linq.Expressions/src/System/Dynamic/Utils/TypeExtensions.cs
index c45caba093..ef9a25203d 100644
--- a/src/System.Linq.Expressions/src/System/Dynamic/Utils/TypeExtensions.cs
+++ b/src/System.Linq.Expressions/src/System/Dynamic/Utils/TypeExtensions.cs
@@ -65,7 +65,8 @@ namespace System.Dynamic.Utils
internal static ParameterInfo[] GetParametersCached(this MethodBase method)
{
CacheDict<MethodBase, ParameterInfo[]> pic = s_paramInfoCache;
- if (!pic.TryGetValue(method, out ParameterInfo[] pis))
+ ParameterInfo[] pis;
+ if (!pic.TryGetValue(method, out pis))
{
pis = method.GetParameters();
diff --git a/src/System.Linq.Expressions/src/System/Linq/Expressions/Compiler/LambdaCompiler.Expressions.cs b/src/System.Linq.Expressions/src/System/Linq/Expressions/Compiler/LambdaCompiler.Expressions.cs
index d8b1c61f74..8cefbd4f19 100644
--- a/src/System.Linq.Expressions/src/System/Linq/Expressions/Compiler/LambdaCompiler.Expressions.cs
+++ b/src/System.Linq.Expressions/src/System/Linq/Expressions/Compiler/LambdaCompiler.Expressions.cs
@@ -952,8 +952,9 @@ namespace System.Linq.Expressions.Compiler
private void EmitMemberAssignment(MemberAssignment binding, Type objectType)
{
EmitExpression(binding.Expression);
- if (binding.Member is FieldInfo fi)
+ if (binding.Member is FieldInfo)
{
+ FieldInfo fi = (FieldInfo)binding.Member;
_ilg.Emit(OpCodes.Stfld, fi);
}
else
@@ -1097,7 +1098,7 @@ namespace System.Linq.Expressions.Compiler
private static Type GetMemberType(MemberInfo member)
{
Debug.Assert(member is FieldInfo || member is PropertyInfo);
- return member is FieldInfo fi ? fi.FieldType : (member as PropertyInfo).PropertyType;
+ return member is FieldInfo ? ((FieldInfo)member).FieldType : (member as PropertyInfo).PropertyType;
}
#endregion
diff --git a/src/System.Linq.Expressions/src/System/Linq/Expressions/MemberAssignment.cs b/src/System.Linq.Expressions/src/System/Linq/Expressions/MemberAssignment.cs
index 475a6c63cc..0787b10186 100644
--- a/src/System.Linq.Expressions/src/System/Linq/Expressions/MemberAssignment.cs
+++ b/src/System.Linq.Expressions/src/System/Linq/Expressions/MemberAssignment.cs
@@ -93,23 +93,23 @@ namespace System.Linq.Expressions
// Null paramName as there are two paths here with different parameter names at the API
TypeUtils.ValidateType(decType, null);
- switch (member)
+ if (member is PropertyInfo)
{
- case PropertyInfo pi:
- if (!pi.CanWrite)
- {
- throw Error.PropertyDoesNotHaveSetter(pi, nameof(member));
- }
-
- memberType = pi.PropertyType;
- break;
-
- case FieldInfo fi:
- memberType = fi.FieldType;
- break;
-
- default:
- throw Error.ArgumentMustBeFieldInfoOrPropertyInfo(nameof(member));
+ PropertyInfo pi = (PropertyInfo) member;
+ if (!pi.CanWrite)
+ {
+ throw Error.PropertyDoesNotHaveSetter(pi, nameof(member));
+ }
+ memberType = pi.PropertyType;
+ }
+ else if (member is FieldInfo)
+ {
+ FieldInfo fi = (FieldInfo) member;
+ memberType = fi.FieldType;
+ }
+ else
+ {
+ throw Error.ArgumentMustBeFieldInfoOrPropertyInfo(nameof(member));
}
}
}
diff --git a/src/System.Linq.Expressions/src/System/Linq/Expressions/MemberBinding.cs b/src/System.Linq.Expressions/src/System/Linq/Expressions/MemberBinding.cs
index c1c5884618..43c0698f90 100644
--- a/src/System.Linq.Expressions/src/System/Linq/Expressions/MemberBinding.cs
+++ b/src/System.Linq.Expressions/src/System/Linq/Expressions/MemberBinding.cs
@@ -61,6 +61,9 @@ namespace System.Linq.Expressions
return ExpressionStringBuilder.MemberBindingToString(this);
}
- internal virtual void ValidateAsDefinedHere(int index) => throw Error.UnknownBindingType(index);
+ internal virtual void ValidateAsDefinedHere(int index)
+ {
+ throw Error.UnknownBindingType(index);
+ }
}
}
diff --git a/src/System.Linq.Expressions/src/System/Linq/Expressions/MemberMemberBinding.cs b/src/System.Linq.Expressions/src/System/Linq/Expressions/MemberMemberBinding.cs
index f3981a2b1f..75dd7141da 100644
--- a/src/System.Linq.Expressions/src/System/Linq/Expressions/MemberMemberBinding.cs
+++ b/src/System.Linq.Expressions/src/System/Linq/Expressions/MemberMemberBinding.cs
@@ -127,23 +127,24 @@ namespace System.Linq.Expressions
// Null paramName as there are several paths here with different parameter names at the API
TypeUtils.ValidateType(decType, null, allowByRef: true, allowPointer: true);
- switch (member)
+ if (member is PropertyInfo)
{
- case PropertyInfo pi:
- if (!pi.CanRead)
- {
- throw Error.PropertyDoesNotHaveGetter(pi, nameof(member));
- }
-
- memberType = pi.PropertyType;
- break;
-
- case FieldInfo fi:
- memberType = fi.FieldType;
- break;
+ PropertyInfo pi = (PropertyInfo)member;
+ if (!pi.CanRead)
+ {
+ throw Error.PropertyDoesNotHaveGetter(pi, nameof(member));
+ }
- default:
- throw Error.ArgumentMustBeFieldInfoOrPropertyInfo(nameof(member));
+ memberType = pi.PropertyType;
+ }
+ else if (member is FieldInfo)
+ {
+ FieldInfo fi = (FieldInfo)member;
+ memberType = fi.FieldType;
+ }
+ else
+ {
+ throw Error.ArgumentMustBeFieldInfoOrPropertyInfo(nameof(member));
}
}
diff --git a/src/System.Net.HttpListener/src/System/Net/WebSockets/HttpListenerWebSocketContext.cs b/src/System.Net.HttpListener/src/System/Net/WebSockets/HttpListenerWebSocketContext.cs
index 5321578946..ff54677027 100644
--- a/src/System.Net.HttpListener/src/System/Net/WebSockets/HttpListenerWebSocketContext.cs
+++ b/src/System.Net.HttpListener/src/System/Net/WebSockets/HttpListenerWebSocketContext.cs
@@ -94,8 +94,9 @@ namespace System.Net.WebSockets
if (!(user is WindowsPrincipal))
{
// AuthenticationSchemes.Basic.
- if (user.Identity is HttpListenerBasicIdentity basicIdentity)
+ if (user.Identity is HttpListenerBasicIdentity)
{
+ HttpListenerBasicIdentity basicIdentity = (HttpListenerBasicIdentity)user.Identity;
return new GenericPrincipal(new HttpListenerBasicIdentity(basicIdentity.Name, basicIdentity.Password), null);
}
}
