public override LiteralExpression VisitLiteralValue(LiteralExpression expression)
{
ILParameterDeclaration ilParameterDeclaration = _ilEmitContext.GetParameters(expression)[0];
EmitLoadParameter(ilParameterDeclaration);
return(expression);
}
public override ExpressionNode VisitRowBufferEntryExpression(RowBufferEntryExpression expression)
{
ILParameterDeclaration rowBufferParameter = _ilEmitContext.GetParameters(expression)[0];
EmitLoadParameter(rowBufferParameter);
_ilEmitContext.ILGenerator.Emit(OpCodes.Castclass, typeof(object[]));
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldc_I4, expression.RowBufferIndex);
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldelem_Ref);
return(expression);
}
public override ExpressionNode VisitParameterExpression(ParameterExpression expression)
{
ILParameterDeclaration parameterBinding = _ilEmitContext.GetParameters(expression)[0];
EmitLoadParameter(parameterBinding);
EmitThisArgumentPointer(typeof(ParameterBinding));
_ilEmitContext.ILGenerator.EmitCall(OpCodes.Call, _parameterBindingGetValueMethod, null);
return(expression);
}
public override ExpressionNode VisitPropertyAccessExpression(PropertyAccessExpression expression)
{
ReflectionPropertyBinding reflectionPropertyBinding = expression.Property as ReflectionPropertyBinding;
ReflectionFieldBinding reflectionFieldBinding = expression.Property as ReflectionFieldBinding;
if (reflectionPropertyBinding != null)
{
EmitCall(reflectionPropertyBinding.PropertyInfo.GetGetMethod(), expression.Target);
_ilEmitContext.ILGenerator.EmitCall(OpCodes.Call, _unifyNullsMethod, null);
}
else if (reflectionFieldBinding != null)
{
Label finishLabel = _ilEmitContext.ILGenerator.DefineLabel();
Label loadNullLabel = _ilEmitContext.ILGenerator.DefineLabel();
int instanceIndex = DeclareLocal();
Visit(expression.Target);
_ilEmitContext.ILGenerator.Emit(OpCodes.Stloc, instanceIndex);
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldloc, instanceIndex);
_ilEmitContext.ILGenerator.Emit(OpCodes.Brfalse, loadNullLabel);
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldloc, instanceIndex);
EmitThisArgumentPointer(expression.Target.ExpressionType);
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldfld, reflectionFieldBinding.FieldInfo);
_ilEmitContext.ILGenerator.Emit(OpCodes.Br, finishLabel);
_ilEmitContext.ILGenerator.MarkLabel(loadNullLabel);
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldnull);
_ilEmitContext.ILGenerator.MarkLabel(finishLabel);
}
else
{
Label finishLabel = _ilEmitContext.ILGenerator.DefineLabel();
Label loadNullLabel = _ilEmitContext.ILGenerator.DefineLabel();
int argIndex = DeclareLocal();
Visit(expression.Target);
_ilEmitContext.ILGenerator.Emit(OpCodes.Stloc, argIndex);
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldloc, argIndex);
_ilEmitContext.ILGenerator.Emit(OpCodes.Brfalse, loadNullLabel);
ILParameterDeclaration customPropertyBinding = _ilEmitContext.GetParameters(expression)[0];
EmitLoadParameter(customPropertyBinding);
EmitThisArgumentPointer(typeof(PropertyBinding));
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldloc, argIndex);
_ilEmitContext.ILGenerator.EmitCall(OpCodes.Callvirt, _propertyBindingGetValueMethod, null);
_ilEmitContext.ILGenerator.EmitCall(OpCodes.Call, _unifyNullsMethod, null);
_ilEmitContext.ILGenerator.Emit(OpCodes.Br, finishLabel);
_ilEmitContext.ILGenerator.MarkLabel(loadNullLabel);
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldnull);
_ilEmitContext.ILGenerator.MarkLabel(finishLabel);
}
return(expression);
}
public void AddParameter(AstNode target, object value, Type type)
{
ILParameterDeclaration ilParameterDeclaration = new ILParameterDeclaration();
ilParameterDeclaration.Index = _parameters.Count;
ilParameterDeclaration.Value = value;
ilParameterDeclaration.Type = type;
_parameters.Add(ilParameterDeclaration);
List<ILParameterDeclaration> targetParameters;
if (!_parameterDictionary.TryGetValue(target, out targetParameters))
{
targetParameters = new List<ILParameterDeclaration>();
_parameterDictionary.Add(target, targetParameters);
}
targetParameters.Add(ilParameterDeclaration);
}
public void AddParameter(AstNode target, object value, Type type)
{
ILParameterDeclaration ilParameterDeclaration = new ILParameterDeclaration();
ilParameterDeclaration.Index = _parameters.Count;
ilParameterDeclaration.Value = value;
ilParameterDeclaration.Type = type;
_parameters.Add(ilParameterDeclaration);
List <ILParameterDeclaration> targetParameters;
if (!_parameterDictionary.TryGetValue(target, out targetParameters))
{
targetParameters = new List <ILParameterDeclaration>();
_parameterDictionary.Add(target, targetParameters);
}
targetParameters.Add(ilParameterDeclaration);
}
private void EmitLoadParameter(ILParameterDeclaration ilParameterDeclaration)
{
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldarg_0);
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldc_I4, ilParameterDeclaration.Index);
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldelem_Ref);
}
public override ExpressionNode VisitMethodInvocationExpression(MethodInvocationExpression expression)
{
ReflectionMethodBinding reflectionMethodBinding = expression.Method as ReflectionMethodBinding;
if (reflectionMethodBinding != null)
{
EmitCall(reflectionMethodBinding.Method, expression.Target, expression.Arguments);
_ilEmitContext.ILGenerator.EmitCall(OpCodes.Call, _unifyNullsMethod, null);
}
else
{
int instanceArgIndex = DeclareLocal();
int[] argLocalIndexes = new int[expression.Arguments.Length];
for (int i = 0; i < expression.Arguments.Length; i++)
{
argLocalIndexes[i] = DeclareLocal();
}
Visit(expression.Target);
_ilEmitContext.ILGenerator.Emit(OpCodes.Stloc, instanceArgIndex);
for (int i = 0; i < expression.Arguments.Length; i++)
{
Visit(expression.Arguments[i]);
_ilEmitContext.ILGenerator.Emit(OpCodes.Stloc, argLocalIndexes[i]);
}
Label loadNullLabel = _ilEmitContext.ILGenerator.DefineLabel();
Label finishLabel = _ilEmitContext.ILGenerator.DefineLabel();
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldloc, instanceArgIndex);
_ilEmitContext.ILGenerator.Emit(OpCodes.Brfalse, loadNullLabel);
for (int i = 0; i < expression.Arguments.Length; i++)
{
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldloc, argLocalIndexes[i]);
_ilEmitContext.ILGenerator.Emit(OpCodes.Brfalse, loadNullLabel);
}
ILParameterDeclaration customMethodBinding = _ilEmitContext.GetParameters(expression)[0];
ILParameterDeclaration argsArray = _ilEmitContext.GetParameters(expression)[1];
int argsArrayIndex = DeclareLocal();
EmitLoadParameter(argsArray);
_ilEmitContext.ILGenerator.Emit(OpCodes.Stloc, argsArrayIndex);
for (int i = 0; i < expression.Arguments.Length; i++)
{
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldloc, argsArrayIndex);
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldc_I4, i);
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldloc, argLocalIndexes[i]);
_ilEmitContext.ILGenerator.Emit(OpCodes.Stelem_Ref);
}
EmitLoadParameter(customMethodBinding);
EmitThisArgumentPointer(typeof(MethodBinding));
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldloc, instanceArgIndex);
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldloc, argsArrayIndex);
_ilEmitContext.ILGenerator.EmitCall(OpCodes.Callvirt, _methodBindingInvokeMethod, null);
_ilEmitContext.ILGenerator.EmitCall(OpCodes.Call, _unifyNullsMethod, null);
_ilEmitContext.ILGenerator.Emit(OpCodes.Br, finishLabel);
_ilEmitContext.ILGenerator.MarkLabel(loadNullLabel);
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldnull);
_ilEmitContext.ILGenerator.MarkLabel(finishLabel);
}
return(expression);
}
public override ExpressionNode VisitFunctionInvocationExpression(FunctionInvocationExpression expression)
{
ReflectionFunctionBinding reflectionFunctionBinding = expression.Function as ReflectionFunctionBinding;
if (reflectionFunctionBinding != null)
{
MethodInfo method = reflectionFunctionBinding.Method;
ParameterInfo[] parameterInfos = method.GetParameters();
ILParameterDeclaration instance;
if (reflectionFunctionBinding.Instance != null)
{
instance = _ilEmitContext.GetParameters(expression)[0];
}
else
{
instance = null;
}
int[] argLocalIndexes = new int[expression.Arguments.Length];
for (int i = 0; i < expression.Arguments.Length; i++)
{
argLocalIndexes[i] = DeclareLocal();
}
for (int i = 0; i < expression.Arguments.Length; i++)
{
Visit(expression.Arguments[i]);
_ilEmitContext.ILGenerator.Emit(OpCodes.Stloc, argLocalIndexes[i]);
}
Label loadNullLabel = _ilEmitContext.ILGenerator.DefineLabel();
Label finishLabel = _ilEmitContext.ILGenerator.DefineLabel();
for (int i = 0; i < expression.Arguments.Length; i++)
{
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldloc, argLocalIndexes[i]);
_ilEmitContext.ILGenerator.Emit(OpCodes.Brfalse, loadNullLabel);
}
if (instance != null)
{
EmitLoadParameter(instance);
EmitThisArgumentPointer(instance.Type);
}
for (int i = 0; i < expression.Arguments.Length; i++)
{
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldloc, argLocalIndexes[i]);
if (parameterInfos[i].ParameterType != typeof(object))
{
EmitConversion(parameterInfos[i].ParameterType);
}
}
EmitRawCall(method, instance == null ? null : instance.Type);
if (method.ReturnType.IsValueType)
{
_ilEmitContext.ILGenerator.Emit(OpCodes.Box, method.ReturnType);
}
_ilEmitContext.ILGenerator.EmitCall(OpCodes.Call, _unifyNullsMethod, null);
_ilEmitContext.ILGenerator.Emit(OpCodes.Br, finishLabel);
_ilEmitContext.ILGenerator.MarkLabel(loadNullLabel);
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldnull);
_ilEmitContext.ILGenerator.MarkLabel(finishLabel);
}
else
{
int[] argLocalIndexes = new int[expression.Arguments.Length];
for (int i = 0; i < expression.Arguments.Length; i++)
{
argLocalIndexes[i] = DeclareLocal();
}
for (int i = 0; i < expression.Arguments.Length; i++)
{
Visit(expression.Arguments[i]);
_ilEmitContext.ILGenerator.Emit(OpCodes.Stloc, argLocalIndexes[i]);
}
Label loadNullLabel = _ilEmitContext.ILGenerator.DefineLabel();
Label finishLabel = _ilEmitContext.ILGenerator.DefineLabel();
for (int i = 0; i < expression.Arguments.Length; i++)
{
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldloc, argLocalIndexes[i]);
_ilEmitContext.ILGenerator.Emit(OpCodes.Brfalse, loadNullLabel);
}
ILParameterDeclaration customFunctionBinding = _ilEmitContext.GetParameters(expression)[0];
ILParameterDeclaration argsArray = _ilEmitContext.GetParameters(expression)[1];
int argsArrayIndex = DeclareLocal();
EmitLoadParameter(argsArray);
_ilEmitContext.ILGenerator.Emit(OpCodes.Stloc, argsArrayIndex);
for (int i = 0; i < expression.Arguments.Length; i++)
{
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldloc, argsArrayIndex);
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldc_I4, i);
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldloc, argLocalIndexes[i]);
_ilEmitContext.ILGenerator.Emit(OpCodes.Stelem_Ref);
}
EmitLoadParameter(customFunctionBinding);
EmitThisArgumentPointer(typeof(FunctionBinding));
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldloc, argsArrayIndex);
_ilEmitContext.ILGenerator.EmitCall(OpCodes.Callvirt, _functionBindingInvokeMethod, null);
_ilEmitContext.ILGenerator.EmitCall(OpCodes.Call, _unifyNullsMethod, null);
_ilEmitContext.ILGenerator.Emit(OpCodes.Br, finishLabel);
_ilEmitContext.ILGenerator.MarkLabel(loadNullLabel);
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldnull);
_ilEmitContext.ILGenerator.MarkLabel(finishLabel);
}
return(expression);
}
private void EmitLoadParameter(ILParameterDeclaration ilParameterDeclaration)
{
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldarg_0);
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldc_I4, ilParameterDeclaration.Index);
_ilEmitContext.ILGenerator.Emit(OpCodes.Ldelem_Ref);
}
