private ISemanticModel GetSemanticModelFromSyntaxTree(CommonSyntaxTree syntaxTree, string code, bool includeDocumentation = false)
{
_systemXmlFilesDir = GetSystemXmlFilesDir();
MetadataReference mscorlib = CreateMetadataReference("mscorlib", includeDocumentation);
var metaDllReferences = new List<MetadataReference> {mscorlib};
if (this.Language == Language.VbNet)
{
//Need to add vb or getting error
//Requested operation is not available because the runtime library function 'Microsoft.VisualBasic.CompilerServices.StandardModuleAttribute..ctor' is not defined.
MetadataReference vb = CreateMetadataReference("Microsoft.VisualBasic", includeDocumentation);
metaDllReferences.Add(vb);
}
//Eric: this doesn't seem to work so using mscorlib only for now.
List<string> gacDlls = GetGacDlls(code);
foreach (string dllName in gacDlls)
{
string dllNameWithoutExtension = dllName.Substring(0, dllName.Length - 4); //remove .dll
MetadataReference metaRef = CreateMetadataReference(dllNameWithoutExtension, includeDocumentation);
metaDllReferences.Add(metaRef);
}
Dictionary <string, string> nugGetXmlFileNameToPath = new Dictionary<string, string>();
if (includeDocumentation)
foreach (var nuGetxmlFilePath in NuGetXmlFileReferences)
{
string fileNameWithoutExtension = Path.GetFileNameWithoutExtension(nuGetxmlFilePath);
nugGetXmlFileNameToPath[fileNameWithoutExtension] = nuGetxmlFilePath;
}
foreach (var path in GetNonGacDlls())
{
string fileName = Path.GetFileNameWithoutExtension(path);
RoslynDocumentationProvider documentationProvider = null;
if (includeDocumentation && nugGetXmlFileNameToPath.ContainsKey(fileName))
documentationProvider = new RoslynDocumentationProvider(nugGetXmlFileNameToPath[fileName]);
var reference = new MetadataFileReference(path, MetadataReferenceProperties.Assembly, documentationProvider);
metaDllReferences.Add(reference);
}
//http://msdn.microsoft.com/en-us/vstudio/hh500769.aspx#Toc306015688
CommonCompilation compilation = this.CreateCompilation("Compilation_For_AutoComplete",
syntaxTrees: new[] {syntaxTree},
matadataReferences: metaDllReferences);
ISemanticModel semanticModel = compilation.GetSemanticModel(syntaxTree);
return semanticModel;
}
private MetadataReference CreateMetadataReference(string assemblyDisplayName, bool includeDocumentation)
{
string assemblyFullPath = FileResolver.Default.ResolveAssemblyName(assemblyDisplayName);
string xmlFile = Path.Combine(_systemXmlFilesDir, assemblyDisplayName + ".xml");
RoslynDocumentationProvider documentationProvider = null;
if (includeDocumentation)
documentationProvider = new RoslynDocumentationProvider(xmlFile);
return new MetadataFileReference(assemblyFullPath, MetadataReferenceProperties.Assembly, documentationProvider);
}