private void ProcessCallSiteCaching(IfStatement theIf, FieldDefinition callSiteField)
{
MethodInvocationExpression binderMethodInvocation = GetBinderMethodInvocation(theIf.Then.Statements.Last() as ExpressionStatement, callSiteField);
CallSiteInfo callSiteInfo = new CallSiteInfo(callSiteField, binderMethodInvocation.MethodExpression.Method.Name);
int index = 0;
if (callSiteInfo.BinderType == CallSiteBinderType.GetMember || callSiteInfo.BinderType == CallSiteBinderType.InvokeMember ||
callSiteInfo.BinderType == CallSiteBinderType.SetMember || callSiteInfo.BinderType == CallSiteBinderType.IsEvent)
{
GetMemberNameArgument(binderMethodInvocation, callSiteInfo);
}
if (callSiteInfo.BinderType == CallSiteBinderType.BinaryOperation || callSiteInfo.BinderType == CallSiteBinderType.UnaryOperation)
{
GetOperatorArgument(binderMethodInvocation, callSiteInfo);
}
if (callSiteInfo.BinderType == CallSiteBinderType.Convert)
{
GetConvertTypeArgument(binderMethodInvocation, callSiteInfo);
}
if (callSiteInfo.BinderType == CallSiteBinderType.InvokeMember)
{
VariableReference typeArrayVariable = GetTypeArrayVariable(binderMethodInvocation);
if (typeArrayVariable != null)
{
callSiteInfo.GenericTypeArguments = new List <TypeReference>();
ProcessArgumentArray(theIf.Then.Statements, ref index, typeArrayVariable, callSiteInfo, GetGenericTypeArgument);
}
}
if (callSiteInfo.BinderType != CallSiteBinderType.Convert && callSiteInfo.BinderType != CallSiteBinderType.IsEvent)
{
ProcessArgumentArray(theIf.Then.Statements, ref index, GetArgumentArrayVariable(binderMethodInvocation), callSiteInfo, GetDynamicArgument);
}
else
{
callSiteInfo.DynamicArgumentIndices.Add(0);
}
fieldToCallSiteInfoMap.Add(callSiteField, callSiteInfo);
}
private void ProcessCallSiteCaching(IfStatement theIf, FieldDefinition callSiteField)
{
V_0 = this.GetBinderMethodInvocation(theIf.get_Then().get_Statements().Last <Statement>() as ExpressionStatement, callSiteField);
V_1 = new CallSiteInfo(callSiteField, V_0.get_MethodExpression().get_Method().get_Name());
V_2 = 0;
if (V_1.get_BinderType() == 3 || V_1.get_BinderType() == 6 || V_1.get_BinderType() == 9 || V_1.get_BinderType() == 7)
{
this.GetMemberNameArgument(V_0, V_1);
}
if (V_1.get_BinderType() == CallSiteBinderType.BinaryOperation || V_1.get_BinderType() == 10)
{
this.GetOperatorArgument(V_0, V_1);
}
if (V_1.get_BinderType() == 1)
{
this.GetConvertTypeArgument(V_0, V_1);
}
if (V_1.get_BinderType() == 6)
{
V_3 = this.GetTypeArrayVariable(V_0);
if (V_3 != null)
{
V_1.set_GenericTypeArguments(new List <TypeReference>());
this.ProcessArgumentArray(theIf.get_Then().get_Statements(), ref V_2, V_3, V_1, new Action <MethodInvocationExpression, int, CallSiteInfo>(this.GetGenericTypeArgument));
}
}
if (V_1.get_BinderType() == 1 || V_1.get_BinderType() == 7)
{
V_1.get_DynamicArgumentIndices().Add(0);
}
else
{
this.ProcessArgumentArray(theIf.get_Then().get_Statements(), ref V_2, this.GetArgumentArrayVariable(V_0), V_1, new Action <MethodInvocationExpression, int, CallSiteInfo>(this.GetDynamicArgument));
}
this.fieldToCallSiteInfoMap.Add(callSiteField, V_1);
return;
}
private void GetDynamicArgument(MethodInvocationExpression expression, int index, CallSiteInfo callSiteInfo)
{
if (expression.MethodExpression.Method.Name != "Create" ||
expression.MethodExpression.Target != null ||
expression.MethodExpression.Method.DeclaringType.GetFriendlyFullName(null) != "Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo" ||
expression.Arguments.Count != 2 || expression.Arguments[0].CodeNodeType != CodeNodeType.LiteralExpression)
{
throw new Exception(InvalidStatementExceptionString);
}
int argumentInfoFlag = Convert.ToInt32((expression.Arguments[0] as LiteralExpression).Value);
if ((argumentInfoFlag & UseCompileTimeType) == 0)
{
callSiteInfo.DynamicArgumentIndices.Add(index);
}
}
private void GetGenericTypeArgument(MethodInvocationExpression expression, int index, CallSiteInfo callSiteInfo)
{
TypeReference typeRef;
if (!expression.IsTypeOfExpression(out typeRef))
{
throw new Exception(InvalidStatementExceptionString);
}
callSiteInfo.GenericTypeArguments.Add(typeRef);
}
private void ProcessArgumentArray(StatementCollection statements, ref int index, VariableReference typesArray, CallSiteInfo callSiteInfo,
Action <MethodInvocationExpression, int, CallSiteInfo> action)
{
if ((statements[index] is ExpressionStatement) && ((statements[index] as ExpressionStatement).Expression is BinaryExpression))
{
BinaryExpression binaryExpression = (statements[index] as ExpressionStatement).Expression as BinaryExpression;
if (binaryExpression.IsAssignmentExpression && (binaryExpression.Left is VariableReferenceExpression) && (binaryExpression.Right is MethodInvocationExpression))
{
index++;
}
}
int arraySize = CheckNewArrayInitializationAndSize(statements[index++], typesArray);
for (int i = 0; i < arraySize; i++)
{
if (!statements[index].IsAssignmentStatement())
{
throw new Exception(InvalidStatementExceptionString);
}
BinaryExpression elementAssignment = (statements[index++] as ExpressionStatement).Expression as BinaryExpression;
if (elementAssignment.Left.CodeNodeType != CodeNodeType.ArrayIndexerExpression ||
!CheckArrayIndexerExpression(elementAssignment.Left as ArrayIndexerExpression, typesArray, i) ||
elementAssignment.Right.CodeNodeType != CodeNodeType.MethodInvocationExpression)
{
throw new Exception(InvalidStatementExceptionString);
}
action(elementAssignment.Right as MethodInvocationExpression, i, callSiteInfo);
}
}
private void GetConvertTypeArgument(MethodInvocationExpression binderInvocation, CallSiteInfo callSiteInfo)
{
int typeArgumentIndex = 1;
TypeReference typeRef;
if (binderInvocation.Arguments[typeArgumentIndex].CodeNodeType != CodeNodeType.MethodInvocationExpression ||
!(binderInvocation.Arguments[typeArgumentIndex] as MethodInvocationExpression).IsTypeOfExpression(out typeRef))
{
throw new Exception("Invalid argument: convert type.");
}
callSiteInfo.ConvertType = typeRef;
}
private void GetOperatorArgument(MethodInvocationExpression binderInvocation, CallSiteInfo callSiteInfo)
{
int operatorIndex = 1;
if (binderInvocation.Arguments[operatorIndex].CodeNodeType != CodeNodeType.LiteralExpression)
{
throw new Exception("Invalid argument: operator.");
}
callSiteInfo.Operator = (ExpressionType)Convert.ToInt32((binderInvocation.Arguments[operatorIndex] as LiteralExpression).Value);
}
private void GetMemberNameArgument(MethodInvocationExpression binderInvocation, CallSiteInfo callSiteInfo)
{
int memberNameIndex = 1;
if (binderInvocation.Arguments[memberNameIndex].CodeNodeType == CodeNodeType.LiteralExpression)
{
callSiteInfo.MemberName = (binderInvocation.Arguments[memberNameIndex] as LiteralExpression).Value as string;
if (callSiteInfo.MemberName != null)
{
return;
}
}
throw new Exception("Invalid argument: member name.");
}
private void GetDynamicArgument(MethodInvocationExpression expression, int index, CallSiteInfo callSiteInfo)
{
if (String.op_Inequality(expression.get_MethodExpression().get_Method().get_Name(), "Create") || expression.get_MethodExpression().get_Target() != null || String.op_Inequality(expression.get_MethodExpression().get_Method().get_DeclaringType().GetFriendlyFullName(null), "Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo") || expression.get_Arguments().get_Count() != 2 || expression.get_Arguments().get_Item(0).get_CodeNodeType() != 22)
{
throw new Exception("Invalid statement.");
}
if (Convert.ToInt32((expression.get_Arguments().get_Item(0) as LiteralExpression).get_Value()) & 1 == 0)
{
callSiteInfo.get_DynamicArgumentIndices().Add(index);
}
return;
}
ILInstruction MakeDynamicInstruction(CallSiteInfo callsite, CallVirt targetInvokeCall, List <ILInstruction> deadArguments)
{
switch (callsite.Kind)
{
case BinderMethodKind.BinaryOperation:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicBinaryOperatorInstruction(
binderFlags: callsite.Flags,
operation: callsite.Operation,
context: callsite.Context,
leftArgumentInfo: callsite.ArgumentInfos[0],
left: targetInvokeCall.Arguments[2],
rightArgumentInfo: callsite.ArgumentInfos[1],
right: targetInvokeCall.Arguments[3]
));
case BinderMethodKind.Convert:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
ILInstruction result = new DynamicConvertInstruction(
binderFlags: callsite.Flags,
context: callsite.Context,
type: callsite.ConvertTargetType,
argument: targetInvokeCall.Arguments[2]
);
if (result.ResultType == StackType.Unknown)
{
// if references are missing, we need to coerce the primitive type to None.
// Otherwise we will get loads of assertions.
result = new Conv(result, PrimitiveType.None, ((DynamicConvertInstruction)result).IsChecked, Sign.None);
}
return(result);
case BinderMethodKind.GetIndex:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicGetIndexInstruction(
binderFlags: callsite.Flags,
context: callsite.Context,
argumentInfo: callsite.ArgumentInfos,
arguments: targetInvokeCall.Arguments.Skip(2).ToArray()
));
case BinderMethodKind.GetMember:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicGetMemberInstruction(
binderFlags: callsite.Flags,
name: callsite.MemberName,
context: callsite.Context,
targetArgumentInfo: callsite.ArgumentInfos[0],
target: targetInvokeCall.Arguments[2]
));
case BinderMethodKind.Invoke:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicInvokeInstruction(
binderFlags: callsite.Flags,
context: callsite.Context,
argumentInfo: callsite.ArgumentInfos,
arguments: targetInvokeCall.Arguments.Skip(2).ToArray()
));
case BinderMethodKind.InvokeConstructor:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicInvokeConstructorInstruction(
binderFlags: callsite.Flags,
context: callsite.Context,
argumentInfo: callsite.ArgumentInfos,
arguments: targetInvokeCall.Arguments.Skip(2).ToArray()
));
case BinderMethodKind.InvokeMember:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicInvokeMemberInstruction(
binderFlags: callsite.Flags,
name: callsite.MemberName,
typeArguments: callsite.TypeArguments,
context: callsite.Context,
argumentInfo: callsite.ArgumentInfos,
arguments: targetInvokeCall.Arguments.Skip(2).ToArray()
));
case BinderMethodKind.IsEvent:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicIsEventInstruction(
binderFlags: callsite.Flags,
name: callsite.MemberName,
context: callsite.Context,
argument: targetInvokeCall.Arguments[2]
));
case BinderMethodKind.SetIndex:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicSetIndexInstruction(
binderFlags: callsite.Flags,
context: callsite.Context,
argumentInfo: callsite.ArgumentInfos,
arguments: targetInvokeCall.Arguments.Skip(2).ToArray()
));
case BinderMethodKind.SetMember:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicSetMemberInstruction(
binderFlags: callsite.Flags,
name: callsite.MemberName,
context: callsite.Context,
targetArgumentInfo: callsite.ArgumentInfos[0],
target: targetInvokeCall.Arguments[2],
valueArgumentInfo: callsite.ArgumentInfos[1],
value: targetInvokeCall.Arguments[3]
));
case BinderMethodKind.UnaryOperation:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicUnaryOperatorInstruction(
binderFlags: callsite.Flags,
operation: callsite.Operation,
context: callsite.Context,
operandArgumentInfo: callsite.ArgumentInfos[0],
operand: targetInvokeCall.Arguments[2]
));
default:
throw new ArgumentOutOfRangeException($"Value {callsite.Kind} is not supported!");
}
}
private void ProcessArgumentArray(StatementCollection statements, ref int index, VariableReference typesArray, CallSiteInfo callSiteInfo, Action <MethodInvocationExpression, int, CallSiteInfo> action)
{
if (statements.get_Item(index) as ExpressionStatement != null && (statements.get_Item(index) as ExpressionStatement).get_Expression() as BinaryExpression != null)
{
V_1 = (statements.get_Item(index) as ExpressionStatement).get_Expression() as BinaryExpression;
if (V_1.get_IsAssignmentExpression() && V_1.get_Left() as VariableReferenceExpression != null && V_1.get_Right() as MethodInvocationExpression != null)
{
index = index + 1;
}
}
V_2 = index;
index = V_2 + 1;
V_0 = this.CheckNewArrayInitializationAndSize(statements.get_Item(V_2), typesArray);
V_3 = 0;
while (V_3 < V_0)
{
if (!statements.get_Item(index).IsAssignmentStatement())
{
throw new Exception("Invalid statement.");
}
V_2 = index;
index = V_2 + 1;
V_4 = (statements.get_Item(V_2) as ExpressionStatement).get_Expression() as BinaryExpression;
if (V_4.get_Left().get_CodeNodeType() != 39 || !this.CheckArrayIndexerExpression(V_4.get_Left() as ArrayIndexerExpression, typesArray, V_3) || V_4.get_Right().get_CodeNodeType() != 19)
{
throw new Exception("Invalid statement.");
}
action.Invoke(V_4.get_Right() as MethodInvocationExpression, V_3, callSiteInfo);
V_3 = V_3 + 1;
}
return;
}
private void GetOperatorArgument(MethodInvocationExpression binderInvocation, CallSiteInfo callSiteInfo)
{
V_0 = 1;
if (binderInvocation.get_Arguments().get_Item(V_0).get_CodeNodeType() != 22)
{
throw new Exception("Invalid argument: operator.");
}
callSiteInfo.set_Operator(Convert.ToInt32((binderInvocation.get_Arguments().get_Item(V_0) as LiteralExpression).get_Value()));
return;
}
private void GetMemberNameArgument(MethodInvocationExpression binderInvocation, CallSiteInfo callSiteInfo)
{
V_0 = 1;
if (binderInvocation.get_Arguments().get_Item(V_0).get_CodeNodeType() == 22)
{
callSiteInfo.set_MemberName((binderInvocation.get_Arguments().get_Item(V_0) as LiteralExpression).get_Value() as String);
if (callSiteInfo.get_MemberName() != null)
{
return;
}
}
throw new Exception("Invalid argument: member name.");
}
private void GetGenericTypeArgument(MethodInvocationExpression expression, int index, CallSiteInfo callSiteInfo)
{
if (!expression.IsTypeOfExpression(out V_0))
{
throw new Exception("Invalid statement.");
}
callSiteInfo.get_GenericTypeArguments().Add(V_0);
return;
}
ILInstruction MakeDynamicInstruction(CallSiteInfo callsite, CallVirt targetInvokeCall, List <ILInstruction> deadArguments)
{
switch (callsite.Kind)
{
case BinderMethodKind.BinaryOperation:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicBinaryOperatorInstruction(
binderFlags: callsite.Flags,
operation: callsite.Operation,
context: callsite.Context,
leftArgumentInfo: callsite.ArgumentInfos[0],
left: targetInvokeCall.Arguments[2],
rightArgumentInfo: callsite.ArgumentInfos[1],
right: targetInvokeCall.Arguments[3]
));
case BinderMethodKind.Convert:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
ILInstruction result = new DynamicConvertInstruction(
binderFlags: callsite.Flags,
context: callsite.Context,
type: callsite.ConvertTargetType,
argument: targetInvokeCall.Arguments[2]
);
if (result.ResultType == StackType.Unknown)
{
// if references are missing, we need to coerce the primitive type to None.
// Otherwise we will get loads of assertions.
result = new Conv(result, PrimitiveType.None, ((DynamicConvertInstruction)result).IsChecked, Sign.None);
}
return(result);
case BinderMethodKind.GetIndex:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicGetIndexInstruction(
binderFlags: callsite.Flags,
context: callsite.Context,
argumentInfo: callsite.ArgumentInfos,
arguments: targetInvokeCall.Arguments.Skip(2).ToArray()
));
case BinderMethodKind.GetMember:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicGetMemberInstruction(
binderFlags: callsite.Flags,
name: callsite.MemberName,
context: callsite.Context,
targetArgumentInfo: callsite.ArgumentInfos[0],
target: targetInvokeCall.Arguments[2]
));
case BinderMethodKind.Invoke:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicInvokeInstruction(
binderFlags: callsite.Flags,
context: callsite.Context,
argumentInfo: callsite.ArgumentInfos,
arguments: targetInvokeCall.Arguments.Skip(2).ToArray()
));
case BinderMethodKind.InvokeConstructor:
var arguments = targetInvokeCall.Arguments.Skip(2).ToArray();
// Extract type information from targetInvokeCall:
// Must either be an inlined type or
// a reference to a variable that is initialized with a type.
if (!TransformExpressionTrees.MatchGetTypeFromHandle(arguments[0], out var type))
{
if (!(arguments[0].MatchLdLoc(out var temp) && temp.IsSingleDefinition && temp.StoreInstructions.FirstOrDefault() is StLoc initStore))
{
return(null);
}
if (!TransformExpressionTrees.MatchGetTypeFromHandle(initStore.Value, out type))
{
return(null);
}
}
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicInvokeConstructorInstruction(
binderFlags: callsite.Flags,
type: type ?? SpecialType.UnknownType,
context: callsite.Context,
argumentInfo: callsite.ArgumentInfos,
arguments: arguments
));
case BinderMethodKind.InvokeMember:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicInvokeMemberInstruction(
binderFlags: callsite.Flags,
name: callsite.MemberName,
typeArguments: callsite.TypeArguments,
context: callsite.Context,
argumentInfo: callsite.ArgumentInfos,
arguments: targetInvokeCall.Arguments.Skip(2).ToArray()
));
case BinderMethodKind.IsEvent:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicIsEventInstruction(
binderFlags: callsite.Flags,
name: callsite.MemberName,
context: callsite.Context,
argument: targetInvokeCall.Arguments[2]
));
case BinderMethodKind.SetIndex:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicSetIndexInstruction(
binderFlags: callsite.Flags,
context: callsite.Context,
argumentInfo: callsite.ArgumentInfos,
arguments: targetInvokeCall.Arguments.Skip(2).ToArray()
));
case BinderMethodKind.SetMember:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicSetMemberInstruction(
binderFlags: callsite.Flags,
name: callsite.MemberName,
context: callsite.Context,
targetArgumentInfo: callsite.ArgumentInfos[0],
target: targetInvokeCall.Arguments[2],
valueArgumentInfo: callsite.ArgumentInfos[1],
value: targetInvokeCall.Arguments[3]
));
case BinderMethodKind.UnaryOperation:
deadArguments.AddRange(targetInvokeCall.Arguments.Take(2));
return(new DynamicUnaryOperatorInstruction(
binderFlags: callsite.Flags,
operation: callsite.Operation,
context: callsite.Context,
operandArgumentInfo: callsite.ArgumentInfos[0],
operand: targetInvokeCall.Arguments[2]
));
default:
throw new ArgumentOutOfRangeException($"Value {callsite.Kind} is not supported!");
}
}
bool ScanCallSiteInitBlock(Block callSiteInitBlock, IField callSiteCacheField, IType callSiteDelegateType, out CallSiteInfo callSiteInfo, out Block blockAfterInit)
{
callSiteInfo = default(CallSiteInfo);
blockAfterInit = null;
int instCount = callSiteInitBlock.Instructions.Count;
if (callSiteInitBlock.IncomingEdgeCount != 1 || instCount < 2)
{
return(false);
}
if (!callSiteInitBlock.Instructions[instCount - 1].MatchBranch(out blockAfterInit))
{
return(false);
}
if (!callSiteInitBlock.Instructions[instCount - 2].MatchStsFld(out var field, out var value) || !field.Equals(callSiteCacheField))
{
return(false);
}
if (!(value is Call createBinderCall) || createBinderCall.Method.TypeArguments.Count != 0 || createBinderCall.Arguments.Count != 1 || createBinderCall.Method.Name != "Create" || createBinderCall.Method.DeclaringType.FullName != CallSiteTypeName || createBinderCall.Method.DeclaringType.TypeArguments.Count != 1)
{
return(false);
}
if (!(createBinderCall.Arguments[0] is Call binderCall) || binderCall.Method.DeclaringType.FullName != CSharpBinderTypeName || binderCall.Method.DeclaringType.TypeParameterCount != 0)
{
return(false);
}
callSiteInfo.DelegateType = callSiteDelegateType;
callSiteInfo.InitBlock = callSiteInitBlock;
switch (binderCall.Method.Name)
{
case "IsEvent":
callSiteInfo.Kind = BinderMethodKind.IsEvent;
// In the case of Binder.IsEvent all arguments should already be properly inlined, as there is no array initializer:
// Scan arguments: binder flags, member name, context type
if (binderCall.Arguments.Count != 3)
{
return(false);
}
if (!binderCall.Arguments[0].MatchLdcI4(out int binderFlagsInteger))
{
return(false);
}
callSiteInfo.Flags = (CSharpBinderFlags)binderFlagsInteger;
if (!binderCall.Arguments[1].MatchLdStr(out string name))
{
return(false);
}
callSiteInfo.MemberName = name;
if (!TransformExpressionTrees.MatchGetTypeFromHandle(binderCall.Arguments[2], out var contextType))
{
return(false);
}
callSiteInfo.Context = contextType;
return(true);
case "Convert":
callSiteInfo.Kind = BinderMethodKind.Convert;
// In the case of Binder.Convert all arguments should already be properly inlined, as there is no array initializer:
// Scan arguments: binder flags, target type, context type
if (binderCall.Arguments.Count != 3)
{
return(false);
}
if (!binderCall.Arguments[0].MatchLdcI4(out binderFlagsInteger))
{
return(false);
}
callSiteInfo.Flags = (CSharpBinderFlags)binderFlagsInteger;
if (!TransformExpressionTrees.MatchGetTypeFromHandle(binderCall.Arguments[1], out var targetType))
{
return(false);
}
callSiteInfo.ConvertTargetType = targetType;
if (!TransformExpressionTrees.MatchGetTypeFromHandle(binderCall.Arguments[2], out contextType))
{
return(false);
}
callSiteInfo.Context = contextType;
return(true);
case "InvokeMember":
callSiteInfo.Kind = BinderMethodKind.InvokeMember;
if (binderCall.Arguments.Count != 5)
{
return(false);
}
// First argument: binder flags
// The value must be a single ldc.i4 instruction.
if (!binderCall.Arguments[0].MatchLdLoc(out var variable))
{
return(false);
}
if (!callSiteInitBlock.Instructions[0].MatchStLoc(variable, out value))
{
return(false);
}
if (!value.MatchLdcI4(out binderFlagsInteger))
{
return(false);
}
callSiteInfo.Flags = (CSharpBinderFlags)binderFlagsInteger;
// Second argument: method name
// The value must be a single ldstr instruction.
if (!binderCall.Arguments[1].MatchLdLoc(out variable))
{
return(false);
}
if (!callSiteInitBlock.Instructions[1].MatchStLoc(variable, out value))
{
return(false);
}
if (!value.MatchLdStr(out name))
{
return(false);
}
callSiteInfo.MemberName = name;
// Third argument: type arguments
// The value must be either ldnull (no type arguments) or an array initializer pattern.
if (!binderCall.Arguments[2].MatchLdLoc(out variable))
{
return(false);
}
if (!callSiteInitBlock.Instructions[2].MatchStLoc(out var variableOrTemporary, out value))
{
return(false);
}
int numberOfTypeArguments = 0;
if (!value.MatchLdNull())
{
if (value is NewArr typeArgsNewArr && typeArgsNewArr.Type.IsKnownType(KnownTypeCode.Type) && typeArgsNewArr.Indices.Count == 1 && typeArgsNewArr.Indices[0].MatchLdcI4(out numberOfTypeArguments))
{
if (!TransformArrayInitializers.HandleSimpleArrayInitializer(context.Function, callSiteInitBlock, 3, variableOrTemporary, typeArgsNewArr.Type, new[] { numberOfTypeArguments }, out var typeArguments, out _))
{
return(false);
}
int i = 0;
callSiteInfo.TypeArguments = new IType[numberOfTypeArguments];
foreach (var(_, typeArg) in typeArguments)
{
if (!TransformExpressionTrees.MatchGetTypeFromHandle(typeArg, out var type))
{
return(false);
}
callSiteInfo.TypeArguments[i] = type;
i++;
}
}
else
{
return(false);
}
}
int typeArgumentsOffset = numberOfTypeArguments;
// Special case for csc array initializers:
if (variableOrTemporary != variable)
{
// store temporary from array initializer in variable
if (!callSiteInitBlock.Instructions[3 + typeArgumentsOffset].MatchStLoc(variable, out value))
{
return(false);
}
if (!value.MatchLdLoc(variableOrTemporary))
{
return(false);
}
typeArgumentsOffset++;
}
// Fourth argument: context type
if (!binderCall.Arguments[3].MatchLdLoc(out variable))
{
return(false);
}
if (!callSiteInitBlock.Instructions[3 + typeArgumentsOffset].MatchStLoc(variable, out value))
{
return(false);
}
if (!TransformExpressionTrees.MatchGetTypeFromHandle(value, out contextType))
{
return(false);
}
callSiteInfo.Context = contextType;
// Fifth argument: call parameter info
if (!binderCall.Arguments[4].MatchLdLoc(out variable))
{
return(false);
}
if (!callSiteInitBlock.Instructions[4 + typeArgumentsOffset].MatchStLoc(variable, out value))
{
return(false);
}
if (!ExtractArgumentInfo(value, ref callSiteInfo, 5 + typeArgumentsOffset, variable))
{
return(false);
}
return(true);
private void GetConvertTypeArgument(MethodInvocationExpression binderInvocation, CallSiteInfo callSiteInfo)
{
V_0 = 1;
if (binderInvocation.get_Arguments().get_Item(V_0).get_CodeNodeType() != 19 || !(binderInvocation.get_Arguments().get_Item(V_0) as MethodInvocationExpression).IsTypeOfExpression(out V_1))
{
throw new Exception("Invalid argument: convert type.");
}
callSiteInfo.set_ConvertType(V_1);
return;
}