public static DNode ExamTraceSymbol(string symName, ResolutionContext ctxt, out bool mightBeLegalUnresolvableSymbol)
{
DSymbol ds = null;
mightBeLegalUnresolvableSymbol = false;
if (string.IsNullOrWhiteSpace(symName))
{
return(null);
}
// Try to handle a probably mangled string or C function.
if (symName.StartsWith("_"))
{
try{
ds = Demangler.DemangleAndResolve(symName, ctxt) as DSymbol;
}catch {}
}
// Stuff like void std.stdio.File.LockingTextWriter.put!(immutable(char)[]).put(immutable(char)[])
if (ds == null && Lexer.IsIdentifierPart((int)symName[0]))
{
mightBeLegalUnresolvableSymbol = true;
ITypeDeclaration q;
var method = DParser.ParseMethodDeclarationHeader(symName, out q);
q = Demangler.RemoveNestedTemplateRefsFromQualifier(q);
method.Type = Demangler.RemoveNestedTemplateRefsFromQualifier(method.Type);
var methodType = TypeDeclarationResolver.GetMethodReturnType(method, ctxt);
var methodParameters = new List <AbstractType>();
if (method.Parameters != null && method.Parameters.Count != 0)
{
foreach (var parm in method.Parameters)
{
methodParameters.Add(TypeDeclarationResolver.ResolveSingle(Demangler.RemoveNestedTemplateRefsFromQualifier(parm.Type), ctxt));
}
}
ctxt.ContextIndependentOptions |= ResolutionOptions.IgnoreAllProtectionAttributes;
var overloads = TypeDeclarationResolver.Resolve(q, ctxt);
if (overloads == null || overloads.Length == 0)
{
return(null);
}
else if (overloads.Length == 1)
{
ds = overloads[0] as DSymbol;
}
else
{
foreach (var o in overloads)
{
ds = o as DSymbol;
if (ds == null || !(ds.Definition is DMethod))
{
continue;
}
var dm = ds.Definition as DMethod;
// Compare return types
if (dm.Type != null)
{
if (methodType == null || ds.Base == null || !ResultComparer.IsEqual(methodType, ds.Base))
{
continue;
}
}
else if (dm.Type == null && methodType != null)
{
return(null);
}
// Compare parameters
if (methodParameters.Count != dm.Parameters.Count)
{
continue;
}
for (int i = 0; i < methodParameters.Count; i++)
{
if (!ResultComparer.IsImplicitlyConvertible(methodParameters[i], TypeDeclarationResolver.ResolveSingle(Demangler.RemoveNestedTemplateRefsFromQualifier(dm.Parameters[i].Type), ctxt)))
{
continue;
}
}
}
}
}
if (ds != null)
{
return(ds.Definition);
}
return(null);
}
public static DNode ExamTraceSymbol(string symName, ResolutionContext ctxt, out bool mightBeLegalUnresolvableSymbol)
{
DSymbol ds = null;
mightBeLegalUnresolvableSymbol = false;
if (string.IsNullOrWhiteSpace(symName))
{
return(null);
}
// Try to handle a probably mangled string or C function.
if (symName.StartsWith("_"))
{
try{
ds = Demangler.DemangleAndResolve(symName, ctxt) as DSymbol;
}catch {}
}
// Stuff like void std.stdio.File.LockingTextWriter.put!(immutable(char)[]).put(immutable(char)[])
if (ds == null && Lexer.IsIdentifierPart((int)symName[0]))
{
mightBeLegalUnresolvableSymbol = true;
ITypeDeclaration q;
var method = DParser.ParseMethodDeclarationHeader(symName, out q);
q = Demangler.RemoveNestedTemplateRefsFromQualifier(q);
AbstractType[] overloads = null;
D_Parser.Completion.CodeCompletion.DoTimeoutableCompletionTask(null, ctxt, () => {
try {
overloads = AmbiguousType.TryDissolve(LooseResolution.LookupIdRawly(ctxt.ParseCache, q, ctxt.ScopedBlock.NodeRoot as DModule)).ToArray();
}
catch (Exception ex) { MonoDevelop.Core.LoggingService.LogWarning("Error during trace.log symbol resolution of " + q.ToString(), ex); }
});
if (overloads == null || overloads.Length == 0)
{
return(null);
}
else if (overloads.Length == 1)
{
ds = overloads[0] as DSymbol;
}
else
{
method.Type = Demangler.RemoveNestedTemplateRefsFromQualifier(method.Type);
var methodType = TypeDeclarationResolver.GetMethodReturnType(method, ctxt);
var methodParameters = new List <AbstractType>();
D_Parser.Completion.CodeCompletion.DoTimeoutableCompletionTask(null, ctxt, () => {
if (method.Parameters != null && method.Parameters.Count != 0)
{
foreach (var parm in method.Parameters)
{
methodParameters.Add(TypeDeclarationResolver.ResolveSingle(Demangler.RemoveNestedTemplateRefsFromQualifier(parm.Type), ctxt));
}
}
});
foreach (var o in overloads)
{
ds = o as DSymbol;
if (ds == null || !(ds.Definition is DMethod))
{
continue;
}
var dm = ds.Definition as DMethod;
// Compare return types
if (dm.Type != null)
{
if (methodType == null || ds.Base == null || !ResultComparer.IsEqual(methodType, ds.Base))
{
continue;
}
}
else if (dm.Type == null && methodType != null)
{
return(null);
}
// Compare parameters
if (methodParameters.Count != dm.Parameters.Count)
{
continue;
}
for (int i = 0; i < methodParameters.Count; i++)
{
if (!ResultComparer.IsImplicitlyConvertible(methodParameters[i], TypeDeclarationResolver.ResolveSingle(Demangler.RemoveNestedTemplateRefsFromQualifier(dm.Parameters[i].Type), ctxt)))
{
continue;
}
}
}
}
}
return(ds != null ? ds.Definition : null);
}