private ParserResults ParseCore(ITextDocument input)
{
// Setup the parser context
var errorSink = new ErrorSink();
var context = new ParserContext(input, CodeParser, MarkupParser, MarkupParser, errorSink)
{
DesignTimeMode = DesignTimeMode
};
MarkupParser.Context = context;
CodeParser.Context = context;
// Execute the parse
MarkupParser.ParseDocument();
// Get the result
var results = context.CompleteParse();
// Rewrite whitespace if supported
var rewritingContext = new RewritingContext(results.Document, errorSink);
foreach (ISyntaxTreeRewriter rewriter in Optimizers)
{
rewriter.Rewrite(rewritingContext);
}
var descriptors = Enumerable.Empty <TagHelperDescriptor>();
if (TagHelperDescriptorResolver != null)
{
descriptors = GetTagHelperDescriptors(rewritingContext.SyntaxTree, rewritingContext.ErrorSink);
var tagHelperProvider = new TagHelperDescriptorProvider(descriptors);
var tagHelperParseTreeRewriter = new TagHelperParseTreeRewriter(tagHelperProvider);
// Rewrite the document to utilize tag helpers
tagHelperParseTreeRewriter.Rewrite(rewritingContext);
}
var syntaxTree = rewritingContext.SyntaxTree;
// Link the leaf nodes into a chain
Span prev = null;
foreach (Span node in syntaxTree.Flatten())
{
node.Previous = prev;
if (prev != null)
{
prev.Next = node;
}
prev = node;
}
// Return the new result
return(new ParserResults(syntaxTree, descriptors, errorSink));
}
public virtual void Rewrite(RewritingContext context)
{
context.SyntaxTree.Accept(this);
Debug.Assert(_blocks.Count == 1);
context.SyntaxTree = _blocks.Pop().Build();
}
