/// <summary>
///
/// </summary>
/// <param name="functionFullName">should be "[Addr].FunctionSig"</param>
/// <param name="functionTemplate"></param>
/// <param name="contractAddr"></param>
/// <param name="contractReferences"></param>
/// <returns></returns>
/// <exception cref="InvalidOperationException"></exception>
/// <exception cref="FunctionMetadataException"></exception>
private async Task <FunctionMetadata> GetMetadataForNewFunction(string functionFullName,
FunctionMetadataTemplate functionTemplate, Address contractAddr,
Dictionary <string, Address> contractReferences, Dictionary <string, FunctionMetadata> localMetadataMap)
{
var resourceSet = new HashSet <Resource>(functionTemplate.LocalResourceSet.Select(resource =>
{
var resName =
Replacement.ReplaceValueIntoReplacement(resource.Name, Replacement.This,
contractAddr.GetFormatted());
return(new Resource(resName, resource.DataAccessMode));
}));
var callingSet = new HashSet <string>();
foreach (var calledFunc in functionTemplate.CallingSet ?? Enumerable.Empty <string>())
{
if (!Replacement.TryGetReplacementWithIndex(calledFunc, 0, out var locationReplacement))
{
throw new FunctionMetadataException("not valid template in calling set of function " +
functionFullName + " because the calling function" +
calledFunc +
"have no location replacement (${this} or ${[calling contract name]})");
}
//just add foreign resource into set because local resources are already recursively analyzed
if (locationReplacement.Equals(Replacement.This))
{
var replacedCalledFunc = Replacement.ReplaceValueIntoReplacement(calledFunc, Replacement.This,
contractAddr.GetFormatted());
if (!localMetadataMap.TryGetValue(replacedCalledFunc, out var localCalledFuncMetadata))
{
throw new FunctionMetadataException("There are no local function " + replacedCalledFunc +
" in the given local function map, consider wrong reference cause wrong topological order");
}
resourceSet.UnionWith(localCalledFuncMetadata.FullResourceSet);
callingSet.Add(replacedCalledFunc);
}
else
{
if (!contractReferences.TryGetValue(Replacement.Value(locationReplacement), out var referenceAddr))
{
throw new FunctionMetadataException("There are no member reference " +
Replacement.Value(locationReplacement) +
" in the given contractReferences map");
}
var replacedCalledFunc = Replacement.ReplaceValueIntoReplacement(calledFunc, locationReplacement,
referenceAddr.GetFormatted());
var metadataOfCalledFunc = await GetFunctionMetadata(replacedCalledFunc); //could throw exception
resourceSet.UnionWith(metadataOfCalledFunc.FullResourceSet);
callingSet.Add(replacedCalledFunc);
}
}
var metadata = new FunctionMetadata(callingSet, resourceSet);
return(metadata);
}