public NodeJSSources(BindingContext context, IEnumerable <TranslationUnit> units)
: base(context, units)
{
nodeJSTypePrinter = new NodeJSTypePrinter(context);
nodeJSTypePrinter.PrintScopeKind = TypePrintScopeKind.Local;
nodeJSTypeCheckPrinter = new NodeJSTypeCheckPrinter(context);
}
public void GenerateReturnTypeWrapper(NodeJSTemplate callee, QualifiedType returnType, string calleeToWrap)
{
NodeJSTypeCheckPrinter nodeJSTypeCheckPrinter = new NodeJSTypeCheckPrinter(Context);
// Check for void return type
if ((returnType.Type is BuiltinType) && ((returnType.Type as BuiltinType).Type == PrimitiveType.Void))
{
// Write wrapper for void return type
callee.WriteLine("{0};", calleeToWrap);
callee.WriteLine("");
callee.WriteLine("// Set return value to undefined");
callee.WriteLine("info.GetReturnValue().SetUndefined();");
}
else if (nodeJSTypeCheckPrinter.QualifiedTypeIsObject(returnType))
{
callee.WriteLine("{0};", calleeToWrap);
}
else if (nodeJSTypeCheckPrinter.QualifiedTypeIsNumber(returnType))
{
PointerType parameterPointerType = returnType.Type as PointerType;
if (parameterPointerType != null && parameterPointerType.IsPointer())
{
// Currently not supported!
throw new NotImplementedException();
}
else
{
// Generate return type wrapper for number type
callee.WriteLine("{0} result = {1};", VisitReturnType(returnType, false, false), calleeToWrap);
callee.WriteLine("");
callee.WriteLine("// Set return value");
callee.WriteLine("info.GetReturnValue().Set(Nan::New<Number>(result));");
}
}
else if (nodeJSTypeCheckPrinter.QualifiedTypeIsBoolean(returnType))
{
PointerType parameterPointerType = returnType.Type as PointerType;
if (parameterPointerType != null && parameterPointerType.IsPointer())
{
// Currently not supported!
throw new NotImplementedException();
}
else
{
// Generate return type wrapper for boolean type
callee.WriteLine("{0} result = {1};", VisitReturnType(returnType, false, false), calleeToWrap);
callee.WriteLine("");
callee.WriteLine("// Set return value");
callee.WriteLine("info.GetReturnValue().Set(Nan::New<Boolean>(result));");
}
}
else if (nodeJSTypeCheckPrinter.QualifiedTypeIsString(returnType))
{
callee.WriteLine("const {0}{1} result = {2};", VisitReturnType(returnType, false, false), (returnType.Type is PointerType ? ((returnType.Type as PointerType).IsPointer() ? "*" : string.Empty) : string.Empty), calleeToWrap);
callee.WriteLine("");
callee.WriteLine("// Set return value");
callee.WriteLine("info.GetReturnValue().Set(pylon_v8::FromGCString({0}result).ToLocalChecked());", (returnType.Type is PointerType ? ((returnType.Type as PointerType).IsPointer() ? string.Empty : "&") : "&"));
}
else if (nodeJSTypeCheckPrinter.QualifiedTypeIsTypedBuffer(returnType))
{
callee.WriteLine("// TODO: Implement return value wrapper for {0}", calleeToWrap);
}
}
public string GenerateParameterWrapper(NodeJSTemplate callee, IEnumerable <Parameter> parameters)
{
int parameterArgumentIndex = 0;
string generatedArgumentsWrapped = string.Empty;
NodeJSTypeCheckPrinter nodeJSTypeCheckPrinter = new NodeJSTypeCheckPrinter(Context);
foreach (Parameter parameter in parameters)
{
if (nodeJSTypeCheckPrinter.QualifiedTypeIsObject(parameter.QualifiedType))
{
string parameterClassName = VisitParameter(parameter, false, false);
string parameterClassWrapped = NamingHelper.GenerateClassWrapName(parameterClassName);
// Generate unwrap of stored object
callee.PushBlock(BlockKind.MethodBody);
callee.WriteLine("// Unwrap object");
callee.WriteLine("{0}* arg{1}_wrap = ObjectWrap::Unwrap<{0}>(info[{1}]->ToObject());", parameterClassWrapped, parameterArgumentIndex);
callee.WriteLine("{0}* arg{1} = arg{1}_wrap->GetWrapped();", parameterClassName, parameterArgumentIndex);
callee.PopBlock(NewLineKind.BeforeNextBlock);
}
else if (nodeJSTypeCheckPrinter.QualifiedTypeIsNumber(parameter.QualifiedType))
{
// Generate wrapper for number values
callee.PushBlock(BlockKind.MethodBody);
PointerType parameterPointerType = parameter.Type as PointerType;
if (parameterPointerType != null && parameterPointerType.IsPointer())
{
callee.WriteLine("// Convert from number value to pointer");
callee.WriteLine("{0} arg{1}_value = static_cast<{0}>(info[{1}]->NumberValue());", VisitParameter(parameter, false, false), parameterArgumentIndex);
callee.WriteLine("{0}* arg{1} = &arg{1}_value;", VisitParameter(parameter, false, false), parameterArgumentIndex);
}
else
{
callee.WriteLine("// Convert from number value");
callee.WriteLine("{0} arg{1} = static_cast<{0}>(info[{1}]->NumberValue());", VisitParameter(parameter, false, false), parameterArgumentIndex);
}
callee.PopBlock(NewLineKind.BeforeNextBlock);
}
else if (nodeJSTypeCheckPrinter.QualifiedTypeIsBoolean(parameter.QualifiedType))
{
// Generate wrapper for number values
callee.PushBlock(BlockKind.MethodBody);
PointerType parameterPointerType = parameter.Type as PointerType;
if (parameterPointerType != null && parameterPointerType.IsPointer())
{
callee.WriteLine("// Convert from boolean value to pointer");
callee.WriteLine("{0} arg{1}_value = info[{1}]->BooleanValue();", VisitParameter(parameter, false, false), parameterArgumentIndex);
callee.WriteLine("{0}* arg{1} = &arg{1}_value;", VisitParameter(parameter, false, false), parameterArgumentIndex);
}
else
{
callee.WriteLine("// Convert from boolean value");
callee.WriteLine("{0} arg{1} = info[{1}]->BooleanValue();", VisitParameter(parameter, false, false), parameterArgumentIndex);
}
callee.PopBlock(NewLineKind.BeforeNextBlock);
}
else if (nodeJSTypeCheckPrinter.QualifiedTypeIsString(parameter.QualifiedType))
{
string parameterToWrap = string.Format("{0}{1}", VisitParameter(parameter, false, false), (parameter.Type is PointerType ? ((parameter.Type as PointerType).IsPointer() ? "*" : string.Empty) : string.Empty));
string generatedStringWrapperLine = string.Format("{0} arg{1} = ", parameterToWrap, parameterArgumentIndex);
// Generate wrapper for string values
callee.PushBlock(BlockKind.MethodBody);
callee.WriteLine("// Convert from string value");
// Check if cast is needed
generatedStringWrapperLine += stringStaticCastFilter.Any(filter => parameterToWrap.Contains(filter)) ? string.Format("static_cast<{0}>(", parameterToWrap) : string.Empty;
// Generate conversation
generatedStringWrapperLine += string.Format("pylon_v8::ToGCString(info[{0}]->ToString())", parameterArgumentIndex);
generatedStringWrapperLine += parameterToWrap.Contains("wchar_t") ? ".w_str()" : ".c_str()";
generatedStringWrapperLine += parameterToWrap.Contains("*") ? "" : "[0]";
// Add closing tag if cast was needed
generatedStringWrapperLine += stringStaticCastFilter.Any(filter => parameterToWrap.Contains(filter)) ? ");" : ";";
callee.WriteLine(generatedStringWrapperLine);
callee.PopBlock(NewLineKind.BeforeNextBlock);
}
else if (nodeJSTypeCheckPrinter.QualifiedTypeIsTypedBuffer(parameter.QualifiedType))
{
callee.PushBlock(BlockKind.MethodBody);
callee.WriteLine("// TODO: Implement wrapper for {0}", VisitParameter(parameter, false, false));
callee.PopBlock(NewLineKind.BeforeNextBlock);
}
// Store arguments for later usage
generatedArgumentsWrapped += parameterArgumentIndex > 0 ? ", " : string.Empty;
generatedArgumentsWrapped += parameter.Type is PointerType ? ((parameter.Type as PointerType).IsReference ? "*" : string.Empty) : string.Empty;
generatedArgumentsWrapped += "arg" + parameterArgumentIndex;
// Increment argument index
parameterArgumentIndex++;
}
return(generatedArgumentsWrapped);
}