public static SourceObject Compute(
Compiler compiler,
Source src,
AmbientParser.IUnoCodeReader codeReader,
AmbientParser.ParseResult parseResult,
out int rangeStart,
out int rangeLength,
out string memberExp)
{
var cc = new CodeCompleter.CodeCompleter(compiler, src, codeReader, codeReader.Offset, parseResult);
return(Compute(src, codeReader, cc, out rangeStart, out rangeLength, out memberExp));
}
public static SourceObject TryGetSourceObject(Compiler compiler, Source src, AmbientParser.IUnoCodeReader codeReader, AmbientParser.ParseResult parseResult)
{
try
{
int start, length;
string memberExp;
return(Compute(compiler, src, codeReader, parseResult, out start, out length, out memberExp));
}
catch (MaxErrorException)
{
return(null);
}
}
static SourceObject Compute(
Source src,
AmbientParser.IUnoCodeReader codeReader,
CodeCompleter.CodeCompleter codeCompleter,
out int rangeStart,
out int rangeLength,
out string memberExp)
{
memberExp = "";
rangeStart = 0;
rangeLength = 0;
try
{
memberExp = FindMemberExpression(codeReader, out rangeStart, out rangeLength, codeCompleter);
if (memberExp == null || codeCompleter.Context.NodePath == null)
{
return(null);
}
var methodNode = codeCompleter.Context.NodePath.LastOrDefault(x => AmbientParser.NodeTypeHelpers.IsMethodNode(x.Type));
var fc = codeCompleter.CreateFunctionCompiler(methodNode);
var pe = codeCompleter.ResolveStringInFunctionContext(methodNode, memberExp, src, fc);
if ((pe == null || pe.IsInvalid) && fc.Namescope != null)
{
var compute = ResolveStringWhenClassDeclaration(memberExp, fc);
if (compute != null)
{
return(compute);
}
}
return(ResolvePartialExpression(pe));
}
catch (Exception e)
{
if (e is MaxErrorException)
{
throw;
}
return(null);
}
}
public static string FindMemberExpression(
AmbientParser.IUnoCodeReader codeReader,
out int rangeStart,
out int rangeLength,
CodeCompleter.CodeCompleter cc)
{
rangeStart = codeReader.Offset;
rangeLength = codeReader.Offset;
// Skip to end of identifier;
while (true)
{
var cs = codeReader.PeekText(1);
if (string.IsNullOrEmpty(cs))
{
return(null);
}
var c = cs[0];
if (char.IsLetterOrDigit(c) || c == '_')
{
codeReader.ReadText(1);
}
else
{
break;
}
}
int rangeEnd = codeReader.Offset;
if (cc.Context.NodePath == null)
{
return(null);
}
TokenType tt;
var memberExp = cc.FindMemberExpression(out tt, false, false);
rangeStart = rangeEnd - memberExp.Length;
rangeLength = memberExp.Length;
return(memberExp);
}