public CompilationUnitNode BuildCodeModel(IStreamSource source)
{
_hasErrors = false;
string filePath = source.FullName;
#if DEBUG
if (_options.InternalTestMode)
{
// This ensures in file paths are just file names in test output.
filePath = Path.GetFileName(filePath);
}
#endif // DEBUG
char[] buffer = GetBuffer(source);
if (buffer == null)
{
_errorHandler.ReportError("Unable to read from file " + filePath, filePath);
return(null);
}
IDictionary definesTable = new Hashtable();
if ((_options.Defines != null) && (_options.Defines.Count != 0))
{
foreach (string s in _options.Defines)
{
definesTable[s] = null;
}
}
NameTable nameTable = new NameTable();
LineMap lineMap = new LineMap(filePath);
FileLexer lexer = new FileLexer(nameTable, filePath);
lexer.OnError += new FileErrorEventHandler(OnError);
Token[] tokens = lexer.Lex(buffer, definesTable, lineMap, /* includeComments */ false);
if (_hasErrors == false)
{
FileParser parser = new FileParser(nameTable, filePath);
parser.OnError += new FileErrorEventHandler(OnError);
CompilationUnitNode compilationUnit = parser.Parse(tokens, lineMap);
foreach (ParseNode node in compilationUnit.Members)
{
NamespaceNode namespaceNode = node as NamespaceNode;
if (namespaceNode != null)
{
namespaceNode.IncludeCompilationUnitUsingClauses();
}
}
if (_hasErrors == false)
{
return(compilationUnit);
}
}
return(null);
}
internal void IncludeCompilationUnitUsingClauses()
{
CompilationUnitNode compilationUnit = (CompilationUnitNode)parent;
if (compilationUnit.UsingClauses.Count != 0)
{
ParseNodeList mergedUsings = new ParseNodeList();
mergedUsings.Append(compilationUnit.UsingClauses);
if (_usingClauses.Count != 0)
{
mergedUsings.Append(_usingClauses);
}
_usingClauses = GetParentedNodeList(mergedUsings);
}
}
private CompilationUnitNode ParseCompilationUnit() {
CompilationUnitNode tree
= new CompilationUnitNode(
Eat(TokenType.BOF),
ParseExternAliases(),
ParseUsingClauses(),
ParseGlobalAttributes(),
ParseNamespaceMembers()
);
Eat(TokenType.EOF);
return tree;
}