public static Expression Convert(ConversionState state, ConversionResult expressionResult, MethodStruct methodStruct)
{
#region // result will be stored in a temporary value
bool complexIndexer;
ComputeType receiverComputeType;
if (methodStruct.Type is ARRAY_TYPE)
{
// result is array
ComputeType.FromType(methodStruct.Type).TryGetValue(out receiverComputeType);
}
else
{
// result is scalar
receiverComputeType = new ComputeType(ComputeScalarType.Single, 1);
}
Identifier receiverIdentifier = Identifier.For("ret");
Expression[] indices = ConversionHelper.GetExpressionsFromIndexer(null, ref receiverComputeType, out complexIndexer);
complexIndexer |= expressionResult.HasComplexIndexer;
#endregion
List <ConversionHelper.Argument> sortedArguments = ConversionHelper.ExtractArguments(state, false);
List <ConversionHelper.Argument> scalarArguments = ConversionHelper.ExtractArguments(state, true);
//ExpressionArgument receiverArgument;
//ConversionHelper.ProcessReceiver(state, expressionResult, receiverIdentifier, receiverComputeType, indices, null, ref sortedArguments, complexIndexer, out receiverArgument);
#region // add the temporary variable as a receiver
ExpressionArgument receiverArgument = new ExpressionArgument(sortedArguments.Count, indices, null, -1);
sortedArguments.Add(new ConversionHelper.Argument {
Index = receiverArgument.Index,
Name = receiverIdentifier.ToString(),
Indexers = receiverArgument.Indexers,
IsRead = false,
IsWritten = true,
IsCall = receiverArgument.IsCall,
CallRank = receiverArgument.CallRank,
});
Identifier receiverDataIdentifier = Identifier.For("data" + receiverArgument.Index);
if (!expressionResult.HasComplexIndexer)
{
// allocate receiver (1D array with size 1 for scalar result, matrix (vector) in other cases)
ExpressionList ctorExpr = new ExpressionList();
for (int index = 0; index < receiverComputeType.Rank; index++)
{
ctorExpr.Add(NodeHelper.GetConstantIndexerForExpression(expressionResult.SizeIdentifier, index));
}
state.Constructor.Body.Statements.Add(
new AssignmentStatement {
Target = new AddressDereference {
Address = receiverDataIdentifier,
Type = STANDARD.Data,
},
Source = new Construct {
Constructor = new MemberBinding {
BoundMember = STANDARD.Data.GetConstructor(SystemTypes.Array),
},
Operands = new ExpressionList(
new ConstructArray {
ElementType = expressionResult.Type.ScalarType.TypeNode,
Rank = (methodStruct.Type is ARRAY_TYPE) ? receiverComputeType.Rank : 1,
Operands = (methodStruct.Type is ARRAY_TYPE) ? ctorExpr : new ExpressionList(Literal.Int32One),
}
),
}
}
);
}
else
{
state.Constructor.Body.Statements.Add(new Block {
Statements = ConversionHelper.GenerateIndexedSize(expressionResult, receiverComputeType, receiverDataIdentifier, state.GetNextTempSizeIdentifier())
});
}
#endregion
#region // generate kernel
ConversionResult?result = GenereteKernel(state, expressionResult, Identifier.For("buffer" + receiverArgument.Index.ToString()), methodStruct);
ConversionResult finalConversionResult;
if (result.HasValue)
{
finalConversionResult = result.Value;
}
else
{
return(null);
}
#endregion
#region // generate delegates
DelegateNode getOpenCLTimeDelegateType;
DelegateNode startOpenCLDelegateType;
ConversionHelper.GenerateOpenCLDelegates(state, out getOpenCLTimeDelegateType, out startOpenCLDelegateType);
#endregion
#region // generate get time method
ConversionHelper.GenerateTimeMethod(state);
#endregion
#region // generate the codelets
Identifier codeletsIdentifier;
ConversionHelper.GenerateCodelets(state, getOpenCLTimeDelegateType, startOpenCLDelegateType, out codeletsIdentifier);
#endregion
#region // process all arguments - add them to parameters and data uses
ExpressionList ctorArgs = new ExpressionList();
ExpressionList callArgs = new ExpressionList();
ParameterList callParams = new ParameterList();
List <TypeNode> typeList = new List <TypeNode>();
Identifier dataUsesIdentifier;
ConversionHelper.ProcessArguments(state, sortedArguments, scalarArguments, complexIndexer, startOpenCLDelegateType, out dataUsesIdentifier, ref callParams, ref callArgs, ref state.Constructor.Parameters, ref ctorArgs, ref typeList);
#endregion
ConversionHelper.GenerateSubmitCodelet(state, codeletsIdentifier, dataUsesIdentifier);
ConversionHelper.FinishOperation(state, finalConversionResult);
Class actualOperationClass = CONTEXT._operationRegistry.RegisterOperation(finalConversionResult.CompleteExpression, state.Class);
#region // create method 'call'
Identifier callIdentifier = Identifier.For("call");
Method callMethod = actualOperationClass.GetMethod(callIdentifier, typeList.ToArray());
Expression returnExp;
if (methodStruct.Type is ARRAY_TYPE)
{
returnExp = receiverIdentifier;
}
else
{
returnExp = new BinaryExpression {
NodeType = NodeType.Castclass,
Operand2 = new MemberBinding {
BoundMember = expressionResult.Type.ScalarType.TypeNode.GetArrayType(1)
},
Operand1 = new MethodCall {
Callee = new MemberBinding {
TargetObject = receiverIdentifier,
BoundMember = STANDARD.Data.GetMethod(Identifier.For("GetHostArray")),
},
}
};
}
if (methodStruct.Type is ARRAY_TYPE)
{
}
else
{
returnExp = NodeHelper.GetConstantIndexerForExpression(returnExp, 0);
if (methodStruct.Type is BOOLEAN_TYPE)
{
// if it was a boolean operation invert the value (1 is false in OpenCL kernel)
returnExp = new BinaryExpression {
NodeType = NodeType.Eq,
Operand1 = returnExp,
Operand2 = Literal.Int32Zero
};
}
}
if (callMethod == null)
{
actualOperationClass.Members.Add(new Method {
DeclaringType = state.Class,
Flags = MethodFlags.Static,
ReturnType = (methodStruct.Type is ARRAY_TYPE) ? STANDARD.Data : methodStruct.Type.convert() as TypeNode /*receiverComputeType.ScalarType.TypeNode*/,
Parameters = callParams,
Name = callIdentifier,
Body = new Block {
Statements = new StatementList(
new VariableDeclaration {
Name = receiverIdentifier,
Type = STANDARD.Data,
},
new ExpressionStatement(new Construct {
Constructor = new MemberBinding {
BoundMember = actualOperationClass.GetConstructors()[0],
},
Operands = ctorArgs,
}),
new Return(returnExp)
)
}
});
}
#endregion
#region // return call to 'call'
return(new MethodCall {
Operands = callArgs,
Callee = new MemberBinding(null, actualOperationClass.GetMethod(callIdentifier, typeList.ToArray())),
Type = expressionResult.Type.ScalarType.TypeNode,
});
#endregion
}
