public ProtoCore.AST.AssociativeAST.ImportNode Import(string moduleName, string typeName, string alias, int line = -1, int col = -1)
{
curLine = line;
curCol = col;
moduleName = moduleName.Replace("\"", String.Empty);
ProtoCore.AST.AssociativeAST.ImportNode node = new ProtoCore.AST.AssociativeAST.ImportNode();
node.ModuleName = moduleName;
string modulePathFileName = FileUtils.GetDSFullPathName(moduleName, _coreObj.Options);
// Tracking directory paths for all imported DS files during preload assembly stage so that they can be accessed by Graph compiler before execution - pratapa
if (_coreObj.IsParsingPreloadedAssembly)
{
string dirName = Path.GetDirectoryName(modulePathFileName);
if (!string.IsNullOrEmpty(dirName) && !_coreObj.Options.IncludeDirectories.Contains(dirName))
{
_coreObj.Options.IncludeDirectories.Add(dirName);
}
}
if (string.IsNullOrEmpty(typeName))
{
//Check if moduleName is a type name with namespace.
Type type = Type.GetType(moduleName);
if (type != null)
{
typeName = type.FullName;
modulePathFileName = type.Assembly.Location;
}
}
if (modulePathFileName == null || !File.Exists(modulePathFileName))
{
System.Diagnostics.Debug.Write(@"Cannot import file: '" + modulePathFileName);
_coreObj.LogWarning(ProtoCore.BuildData.WarningID.kFileNotFound, string.Format(Resources.kFileNotFound, modulePathFileName));
return(null);
}
node.ModulePathFileName = modulePathFileName;
node.CodeNode = null;
if (typeName.Length > 0)
{
node.Identifiers.Add(typeName);
}
ProtoCore.AST.AssociativeAST.ImportNode importedNode = null;
if (TryGetImportNode(modulePathFileName, typeName, out importedNode))
{
node.HasBeenImported = true;
return(node);
}
ProtoCore.AST.AssociativeAST.CodeBlockNode codeNode = null;
if (importedNode == null)
{
codeNode = new ProtoCore.AST.AssociativeAST.CodeBlockNode();
}
else
{
codeNode = importedNode.CodeNode;
}
try
{
codeNode = ImportCodeBlock(modulePathFileName, typeName, alias, codeNode);
}
catch (System.Exception ex)
{
if (ex.InnerException != null)
{
_coreObj.BuildStatus.LogSemanticError(ex.InnerException.Message);
}
_coreObj.BuildStatus.LogSemanticError(ex.Message);
}
//Cache the codeblock of root import node.
CodeBlockNode rootImportCodeBlock = mRootImportNode.CodeNode;
mRootImportNode.CodeNode = new CodeBlockNode(); //reset with the new one.
//Remove all empty nodes and add to root import node.
codeNode.Body.RemoveAll(AddToRootImportNodeIfEmpty);
if (mRootImportNode.CodeNode.Body.Count == 0) //empty
{
mRootImportNode.CodeNode = rootImportCodeBlock; //reset the old one.
}
if (importedNode != null)
{
//module has import node, but type is not imported yet.
//MergeCodeBlockNode(ref importedNode, codeBlockNode);
//update existing import node and return null.
importedNode.CodeNode = codeNode;
return(null);
}
node.CodeNode = codeNode;
mModuleTable.Add(modulePathFileName, node);
return(node);
}