private void TerminateSymbol(Stream stream)
{
if (stream.Current == ' ' || stream.Current == '{' || stream.Current == ';' || stream.Current == '(' || stream.Current == ')' || stream.Current == ',')
{
_isSymbol = false;
}
// Find object literals
if (stream.Current == '{')
{
var i = 0;
while (true)
{
if (stream.Peek(--i) != ' ')
{
break;
}
}
var peek = stream.Peek(i);
if (peek == '=' || peek == '(' || peek == ',')
{
var block = stream.PeekBlock(1, '{', '}');
_objectLiteralEnds = Math.Max(_objectLiteralEnds, stream.Position + block.Length);
}
}
}
private static bool ParseCodeBlock(Stream stream, ShadowClass shadowClass)
{
if (stream.Current == '$' && stream.Peek() == '{')
{
for (var i = 0; ; i--)
{
var current = stream.Peek(i);
if (current == '`' || (current == '/' && stream.Peek(i - 1) == '/'))
{
return(false);
}
if (current == '\n' || current == char.MinValue)
{
break;
}
}
stream.Advance();
var block = stream.PeekBlock(1, '{', '}');
var codeStream = new Stream(block, stream.Position + 1);
ParseUsings(codeStream, shadowClass);
ParseCode(codeStream, shadowClass);
stream.Advance(block.Length + 1);
return(true);
}
return(false);
}
private bool ParseKeywords(Stream stream, SemanticModel semanticModel)
{
var peek = stream.Peek(-1);
if (char.IsLetterOrDigit(peek) == false && peek != '.')
{
var name = stream.PeekWord();
if (name != null && Keywords.Contains(name))
{
semanticModel.Tokens.Add(Classifications.Keyword, stream.Position, name.Length);
stream.Advance(name.Length - 1);
if (SymbolKeywords.Contains(name))
{
while (stream.Peek() == ' ')
{
stream.Advance();
}
_isSymbol = true;
}
return(true);
}
}
return(false);
}
private void ParseFilter(Stream stream, SemanticModel semanticModel, int depth)
{
if (stream.Peek() == '(')
{
stream.Advance();
var classification = GetPropertyClassification(depth);
semanticModel.Tokens.AddBrace(stream, classification);
var block = stream.PeekBlock(1, '(', ')');
if (block.Contains("=>") == false)
{
semanticModel.Tokens.Add(Classifications.String, stream.Position + 1, block.Length);
}
stream.Advance(block.Length);
if (stream.Peek() == ')')
{
stream.Advance();
semanticModel.Tokens.AddBrace(stream, classification);
}
}
}
private void ParseReference(Stream stream)
{
const string keyword = "reference";
if (stream.Current == '#' && stream.Peek() == keyword[0] && stream.PeekWord(1) == keyword)
{
var reference = stream.PeekLine(keyword.Length + 1);
if (reference != null)
{
var len = reference.Length + keyword.Length + 1;
reference = reference.Trim('"', ' ', '\n', '\r');
try
{
/*if (reference.EndsWith(".dll", StringComparison.OrdinalIgnoreCase))
* reference = PathResolver.ResolveRelative(reference, this.templateProjectItem);*/
_semanticModel.ShadowClass.AddReference(reference);
}
catch
{
//Log.Debug("Reference Error: " + ex.Message);
}
stream.Advance(len - 1);
}
}
}
private static bool ParseReference(Stream stream, ShadowClass shadowClass /*, ProjectItem templateProjectItem*/)
{
const string keyword = "reference";
if (stream.Current == '#' && stream.Peek() == keyword[0] && stream.PeekWord(1) == keyword)
{
var reference = stream.PeekLine(keyword.Length + 1);
if (reference != null)
{
var len = reference.Length + keyword.Length + 1;
reference = reference.Trim('"', ' ', '\n', '\r');
try
{
/*if (reference.EndsWith(".dll", StringComparison.OrdinalIgnoreCase))
* reference = PathResolver.ResolveRelative(reference, templateProjectItem);*/
shadowClass.AddReference(reference);
return(true);
}
catch (Exception ex)
{
//Log.Error("Reference Error: " + ex);
Console.WriteLine($"Reference Error: {ex}");
}
finally
{
stream.Advance(len - 1);
}
}
}
return(false);
}
private void ParseCode(Stream stream)
{
var code = new StringBuilder();
var position = stream.Position;
var isString = false;
var open = char.MinValue;
do
{
if (stream.Current != char.MinValue)
{
code.Append(stream.Current);
}
if (isString && stream.Current == open && stream.Peek(-1) != '\\')
{
isString = false;
}
else if (stream.Current == '"' || stream.Current == '\'')
{
open = stream.Current;
isString = true;
}
if (isString == false)
{
_semanticModel.Tokens.AddBrace(stream);
}
}while (stream.Advance());
_semanticModel.ShadowClass.AddBlock(code.ToString(), position);
}
private static bool ParseLambda(Stream stream, ShadowClass shadowClass, Contexts contexts, ref string template)
{
if (stream.Current == '$')
{
var identifier = stream.PeekWord(1);
if (identifier != null)
{
var filter = stream.PeekBlock(identifier.Length + 2, '(', ')');
if (filter != null && stream.Peek(filter.Length + 2 + identifier.Length + 1) == '[')
{
try
{
var index = filter.IndexOf("=>", StringComparison.Ordinal);
if (index > 0)
{
var name = filter.Substring(0, index);
var contextName = identifier;
// Todo: Make the TemplateCodeParser context aware
if (contextName == "TypeArguments")
{
contextName = "Types";
}
else if (contextName.StartsWith("Nested"))
{
contextName = contextName.Remove(0, 6);
}
var type = contexts.Find(contextName)?.Type.FullName;
if (type == null)
{
return(false);
}
var methodIndex = _counter++;
shadowClass.AddLambda(filter, type, name, methodIndex);
stream.Advance(filter.Length + 2 + identifier.Length);
template += $"${identifier}($__{methodIndex})";
return(true);
}
}
catch
{
//ignored
}
}
}
}
return(false);
}
private bool ParseNumber(Stream stream, SemanticModel semanticModel)
{
if (char.IsDigit(stream.Current) || (stream.Current == '.' && char.IsDigit(stream.Peek())))
{
var start = stream.Position;
do
{
if (char.IsDigit(stream.Peek()) == false && (stream.Peek() == '.' && char.IsDigit(stream.Peek(2))) == false)
{
break;
}
}while (stream.Advance());
semanticModel.Tokens.Add(Classifications.Number, start, stream.Position + 1 - start);
return(true);
}
return(false);
}
//private void ParseDot(Stream stream, SemanticModel semanticModel, Stack<Context> context, int depth)
//{
// if (stream.Peek() == '.')
// {
// stream.Advance();
// var identifier = GetIdentifier(stream, semanticModel, context);
// if (identifier != null)
// {
// var classification = GetPropertyClassification(depth);
// var parent = context.Skip(1).FirstOrDefault();
// semanticModel.Tokens.Add(classification, stream.Position);
// semanticModel.ContextSpans.Add(context.Peek(), parent, ContextType.Template, stream.Position, stream.Position + 1);
// if (identifier.IsParent)
// {
// semanticModel.Tokens.Add(classification, stream.Position + 1, identifier.Name.Length, identifier.QuickInfo.Replace("$parent", parent?.Name.ToLowerInvariant()));
// stream.Advance(identifier.Name.Length);
// var current = context.Pop();
// ParseDot(stream, semanticModel, context, depth); // identifier
// ParseBlock(stream, semanticModel, context, depth); // template
// context.Push(current);
// }
// else
// {
// semanticModel.Tokens.Add(classification, stream.Position + 1, identifier.Name.Length, identifier.QuickInfo);
// stream.Advance(identifier.Name.Length);
// if (identifier.IsCollection)
// {
// context.Push(_contexts.Find(identifier.Context));
// ParseFilter(stream, semanticModel, context, depth);
// ParseBlock(stream, semanticModel, context, depth); // template
// context.Pop();
// ParseBlock(stream, semanticModel, context, depth); // separator
// }
// else if (identifier.IsBoolean)
// {
// ParseBlock(stream, semanticModel, context, depth); // true
// ParseBlock(stream, semanticModel, context, depth); // false
// }
// else if (identifier.HasContext)
// {
// context.Push(_contexts.Find(identifier.Context));
// ParseDot(stream, semanticModel, context, depth); // identifier
// ParseBlock(stream, semanticModel, context, depth); // template
// context.Pop();
// }
// }
// }
// }
//}
private void ParseBlock(Stream stream, SemanticModel semanticModel, Stack <Context> context, int depth)
{
if (stream.Peek() == '[')
{
stream.Advance();
var classification = GetPropertyClassification(depth);
semanticModel.Tokens.AddBrace(stream, classification);
var block = stream.PeekBlock(1, '[', ']');
Parse(block, semanticModel, context, stream.Position + 1, depth + 1);
stream.Advance(block.Length);
if (stream.Peek() == ']')
{
stream.Advance();
semanticModel.Tokens.AddBrace(stream, classification);
}
}
}
private void ParseBlock(Stream stream)
{
if (stream.Peek() == '[')
{
stream.Advance();
var block = stream.PeekBlock(1, '[', ']');
Parse(block, stream.Position + 1);
stream.Advance(block.Length);
}
}
private bool ParseReference(Stream stream, SemanticModel semanticModel)
{
const string keyword = "reference";
if (stream.Current == '#' && stream.Peek() == keyword[0] && stream.PeekWord(1) == keyword)
{
semanticModel.Tokens.Add(Classifications.Directive, stream.Position, keyword.Length + 1);
stream.Advance(keyword.Length);
return(true);
}
return(false);
}
private bool ParseCodeBlock(Stream stream, SemanticModel semanticModel, Stack <Context> context)
{
if (stream.Current == '$' && stream.Peek() == '{' && context.Peek() == _fileContext)
{
for (var i = 0; ; i--)
{
var current = stream.Peek(i);
if (current == '`' || (current == '/' && stream.Peek(i - 1) == '/'))
{
return(false);
}
if (current == '\n' || current == char.MinValue)
{
break;
}
}
semanticModel.Tokens.Add(Classifications.Property, stream.Position);
stream.Advance();
semanticModel.Tokens.AddBrace(stream, Classifications.Property);
var block = stream.PeekBlock(1, '{', '}');
stream.Advance(block.Length);
if (stream.Peek() == '}')
{
stream.Advance();
semanticModel.Tokens.AddBrace(stream, Classifications.Property);
}
return(true);
}
return(false);
}
private void ParseFilter(Stream stream)
{
if (stream.Peek() == '(')
{
stream.Advance();
var block = stream.PeekBlock(1, '(', ')');
var index = block.IndexOf("=>", StringComparison.Ordinal);
if (index > 0)
{
var name = block.Substring(0, index);
_semanticModel.ContextSpans.Add(null, null, ContextType.Lambda, stream.Position + 1, stream.Position + block.Length + 1);
_semanticModel.ShadowClass.AddLambda(block, _context.Peek().Name, name, stream.Position + 1);
}
stream.Advance(block.Length);
if (stream.Peek() == ')')
{
stream.Advance();
}
}
}
private bool ParseString(Stream stream, SemanticModel semanticModel, Stack <Context> context, int depth)
{
if (stream.Current == '\'' || stream.Current == '"' || stream.Current == '`')
{
var start = stream.Position;
var open = stream.Current;
while (stream.Advance())
{
var length = stream.Position - start;
if (ParseDollar(stream, semanticModel, context, depth))
{
semanticModel.Tokens.Add(Classifications.String, start, length);
if (stream.Advance() == false || stream.Current == Constants.NewLine)
{
return(true);
}
start = stream.Position;
}
if (stream.Current == open)
{
if (stream.Peek(-1) != '\\' || stream.Peek(-2) == '\\')
{
semanticModel.Tokens.Add(Classifications.String, start, stream.Position + 1 - start);
return(true);
}
}
}
semanticModel.Tokens.Add(Classifications.String, start, stream.Position - start);
return(true);
}
return(false);
}
private bool ParseOperators(Stream stream, SemanticModel semanticModel)
{
if (Operators.Contains(stream.Current))
{
semanticModel.Tokens.Add(Classifications.Operator, stream.Position);
if (stream.Current == ':')
{
while (stream.Peek() == ' ')
{
stream.Advance();
}
_isSymbol = true;
}
return(true);
}
return(false);
}
private Identifier GetIdentifier(Stream stream)
{
var word = stream.PeekWord(1);
if (word == null)
{
return(null);
}
var c = _context.Peek();
var identifier = _semanticModel.GetIdentifier(c, word);
if (identifier == null)
{
return(null);
}
if (identifier.IsBoolean == false && identifier.IsCollection == false)
{
return(identifier);
}
var next = stream.Peek(identifier.Name.Length + 1);
if (identifier.IsBoolean && next == '[')
{
return(identifier);
}
if (identifier.IsCollection && (identifier.RequireTemplate == false || next == '[' || (identifier.IsCustom == false && next == '(')))
{
return(identifier);
}
return(null);
}
private bool ParseComment(Stream stream, SemanticModel semanticModel, Stack <Context> context, int depth)
{
if (stream.Current == '/')
{
var type = stream.Peek();
var start = stream.Position;
if (type == '/')
{
while (stream.Advance())
{
var length = stream.Position - start;
if (ParseDollar(stream, semanticModel, context, depth))
{
if (length > 0)
{
semanticModel.Tokens.Add(Classifications.Comment, start, length);
}
//if (stream.Advance() == false || stream.Current == Constants.NewLine) return true;
if (stream.Peek() == char.MinValue)
{
return(true);
}
start = stream.Position + 1;
}
if (stream.Current == Constants.NewLine)
{
break;
}
}
semanticModel.Tokens.Add(Classifications.Comment, start, stream.Position - start);
return(true);
}
if (type == '*')
{
while (stream.Advance())
{
var length = stream.Position - start;
if (ParseDollar(stream, semanticModel, context, depth))
{
if (length > 0)
{
semanticModel.Tokens.Add(Classifications.Comment, start, length);
}
//if (stream.Advance() == false || stream.Current == Constants.NewLine) return true;
if (stream.Peek() == char.MinValue)
{
return(true);
}
start = stream.Position + 1;
}
if (stream.Current == Constants.NewLine)
{
semanticModel.Tokens.Add(Classifications.Comment, start, length);
if (stream.Advance(2) == false)
{
return(true);
}
start = stream.Position;
}
if (stream.Current == '*' && stream.Peek() == '/')
{
stream.Advance();
semanticModel.Tokens.Add(Classifications.Comment, start, stream.Position + 1 - start);
return(true);
}
}
semanticModel.Tokens.Add(Classifications.Comment, start, stream.Position - start);
return(true);
}
}
return(false);
}
private static void ParseUsings(Stream stream, ShadowClass shadowClass)
{
stream.Advance();
while (true)
{
stream.SkipWhitespace();
if ((stream.Current == 'u' && stream.PeekWord() == "using") || (stream.Current == '/' && stream.Peek() == '/'))
{
var line = stream.PeekLine();
shadowClass.AddUsing(line, stream.Position);
stream.Advance(line.Length);
continue;
}
break;
}
}
