private string GetMethodReturnTypeFromStyle(ReactMethod.MethodReturnStyle returnStyle)
{
switch (returnStyle)
{
case ReactMethod.MethodReturnStyle.Void:
return("Void");
case ReactMethod.MethodReturnStyle.Task:
case ReactMethod.MethodReturnStyle.Promise:
return("Promise");
case ReactMethod.MethodReturnStyle.Callback:
case ReactMethod.MethodReturnStyle.ReturnValue:
return("Callback");
case ReactMethod.MethodReturnStyle.TwoCallbacks:
return("TwoCallbacks");
default:
throw new InvalidOperationException("Unexpected ReturnStyle");
}
}
private void TestMethod(string methodDecl, ReactMethod.MethodReturnStyle returnStyle, bool isSynchronous)
{
TestCodeGen <IMethodSymbol>(
methodDecl,
(codeGen, symbol) =>
{
var returnType = symbol.ReturnType;
var parameters = new List <IParameterSymbol>(symbol.Parameters);
switch (returnStyle)
{
case ReactMethod.MethodReturnStyle.Promise:
case ReactMethod.MethodReturnStyle.Callback:
returnType = ((INamedTypeSymbol)parameters[parameters.Count - 1].Type).TypeArguments[0];
parameters.RemoveAt(parameters.Count - 1);
break;
case ReactMethod.MethodReturnStyle.TwoCallbacks:
returnType = ((INamedTypeSymbol)parameters[parameters.Count - 2].Type).TypeArguments[0];
parameters.RemoveRange(parameters.Count - 2, 2);
break;
case ReactMethod.MethodReturnStyle.Task:
var namedReturnType = ((INamedTypeSymbol)returnType);
returnType = namedReturnType.TypeArguments.Any()
? ((INamedTypeSymbol)returnType).TypeArguments[0]
: codeGen.ReactTypes.SystemVoid;
break;
}
return(codeGen.AddMethod(new ReactMethod(
symbol,
"MyMethod",
isSynchronous: isSynchronous,
returnStyle: returnStyle,
effectiveReturnType: returnType,
effectiveParameters: parameters)));
},
lkgName: isSynchronous ? "Sync" : "Async");
}
private void TestMethod(string methodDecl, ReactMethod.MethodReturnStyle returnStyle)
{
TestMethod(methodDecl, returnStyle, isSynchronous: true);
TestMethod(methodDecl, returnStyle, isSynchronous: false);
}
