static bool _IsDelegate(CodeExpression target, CodeDomResolver res)
{
var v = target as CodeVariableReferenceExpression;
if (null != v && v.UserData.Contains("slang:unresolved"))
{
var scope = res.GetScope(target);
if (scope.MemberNames.Contains(v.VariableName))
{
return(true);
}
}
return(false);
}
static CodeDelegateCreateExpression _GetDelegateFromFields(CodeObjectCreateExpression oc, CodeExpression target, CodeDomResolver res)
{
var v = target as CodeVariableReferenceExpression;
if (null != v)
{
var scope = res.GetScope(v);
if (scope.MemberNames.Contains(v.VariableName))
{
return(new CodeDelegateCreateExpression(oc.CreateType, new CodeThisReferenceExpression(), v.VariableName));
}
}
throw new NotImplementedException();
}
static void _Patch(CodeTypeReference tr, CodeDomVisitContext ctx, CodeDomResolver res)
{
if (null != tr)
{
if (res.IsValidType(tr, res.GetScope(tr)))
{
tr.UserData.Remove("slang:unresolved");
return;
}
// this is probably a nested type but with . instead of +
// so now we need to crack it apart and hunt it down
throw new NotImplementedException();
}
}
static void _Patch(CodeVariableDeclarationStatement vd, CodeDomVisitContext ctx, CodeDomResolver resolver)
{
if (null != vd)
{
if (CodeDomResolver.IsNullOrVoidType(vd.Type))
{
if (null == vd.InitExpression)
{
throw new ArgumentException("The code contains an incomplete variable declaration.", "resolver");
}
if (!_HasUnresolved(vd.InitExpression))
{
var t = resolver.GetTypeOfExpression(vd.InitExpression, resolver.GetScope(vd.InitExpression));
vd.Type = t;
if (!CodeDomResolver.IsNullOrVoidType(t))
{
vd.UserData.Remove("slang:unresolved");
}
}
}
}
}
static void _Patch(CodeFieldReferenceExpression fr, CodeDomVisitContext ctx, CodeDomResolver resolver)
{
if (null != fr)
{
var path = _GetUnresRootPathOfExpression(fr);
if (null != path)
{
// now we have something to work with.
var scope = resolver.GetScope(fr);
var sa = path.Split('.');
if (1 == sa.Length)
{
System.Diagnostics.Debugger.Break();
throw new NotImplementedException();
}
else
{
object t = null;
string tn = null;
CodeExpression tf = fr;
CodeExpression ptf = null;
CodeTypeReference ctr = null;
for (var i = sa.Length - 1; i >= 1; --i)
{
tn = string.Join(".", sa, 0, i);
ptf = tf;
tf = _GetTargetOfExpression(tf);
ctr = new CodeTypeReference(tn);
t = resolver.TryResolveType(ctr, scope);
if (null != t)
{
break;
}
}
if (null != t)
{
var tt = t as Type;
if (null != tt)
{
ctr = new CodeTypeReference(tt);
}
else
{
ctr = resolver.GetQualifiedType(ctr, scope);
}
// we found a type reference
_SetTargetOfExpression(ptf, new CodeTypeReferenceExpression(ctr));
return;
//args.Cancel = true;
}
}
}
// this probably means part of our field has been resolved, or at the very least
// it does not come from a rooted var ref.
if (!fr.TargetObject.UserData.Contains("slang:unresolved"))
{
var scope = resolver.GetScope(fr);
var binder = new CodeDomBinder(scope);
var t = resolver.GetTypeOfExpression(fr.TargetObject);
var isStatic = false;
var tre = fr.TargetObject as CodeTypeReferenceExpression;
if (null != tre)
{
isStatic = true;
}
var tt = resolver.TryResolveType(isStatic ? tre.Type: t, scope);
if (null == tt)
{
throw new InvalidOperationException(string.Format("The type {0} could not be resolved.", t.BaseType));
}
var td = tt as CodeTypeDeclaration;
// TODO: This code could be a lot faster if we added some functionality to the binder
// we're just checking to see if the method, property or field exists
var m = binder.GetField(tt, fr.FieldName, _BindFlags);
if (null != m)
{
fr.UserData.Remove("slang:unresolved");
return;
}
m = binder.GetEvent(tt, fr.FieldName, _BindFlags);
if (null != m)
{
var er = new CodeEventReferenceExpression(fr.TargetObject, fr.FieldName);
CodeDomVisitor.ReplaceTarget(ctx, er);
return;
}
var ml = binder.GetMethodGroup(tt, fr.FieldName, _BindFlags);
if (0 < ml.Length)
{
var mr = new CodeMethodReferenceExpression(fr.TargetObject, fr.FieldName);
CodeDomVisitor.ReplaceTarget(ctx, mr);
return;
}
ml = binder.GetPropertyGroup(tt, fr.FieldName, _BindFlags);
if (0 < ml.Length)
{
var pr = new CodePropertyReferenceExpression(fr.TargetObject, fr.FieldName);
CodeDomVisitor.ReplaceTarget(ctx, pr);
return;
}
throw new InvalidProgramException(string.Format("Cannot deterimine the target reference {0}", fr.FieldName));
}
}
}
static void _Patch(CodeVariableReferenceExpression vr, CodeDomVisitContext ctx, CodeDomResolver resolver)
{
if (null != vr)
{
if ("NodeFlags" == vr.VariableName)
{
System.Diagnostics.Debugger.Break();
}
var scope = resolver.GetScope(vr);
if (scope.VariableTypes.ContainsKey(vr.VariableName))
{
vr.UserData.Remove("slang:unresolved");
return;
}
// we need to replace it.
if (scope.ArgumentTypes.ContainsKey(vr.VariableName))
{
var a = new CodeArgumentReferenceExpression(vr.VariableName);
CodeDomVisitor.ReplaceTarget(ctx, a);
return;
//args.Cancel = true;
}
else if (scope.FieldNames.Contains(vr.VariableName))
{
CodeTypeReference tref;
// find out where it belongs.
if (scope.ThisTargets.Contains(vr.VariableName))
{
var f = new CodeFieldReferenceExpression(new CodeThisReferenceExpression(), vr.VariableName);
CodeDomVisitor.ReplaceTarget(ctx, f);
//return;
}
else if (scope.TypeTargets.TryGetValue(vr.VariableName, out tref))
{
var f = new CodeFieldReferenceExpression(new CodeTypeReferenceExpression(tref), vr.VariableName);
CodeDomVisitor.ReplaceTarget(ctx, f);
//return;
}
return;
}
else if (scope.MethodNames.Contains(vr.VariableName))
{
CodeTypeReference tref;
// find out where it belongs.
if (scope.ThisTargets.Contains(vr.VariableName))
{
var m = new CodeMethodReferenceExpression(new CodeThisReferenceExpression(), vr.VariableName);
CodeDomVisitor.ReplaceTarget(ctx, m);
return;
//args.Cancel = true;
}
if (scope.TypeTargets.TryGetValue(vr.VariableName, out tref))
{
var m = new CodeMethodReferenceExpression(new CodeTypeReferenceExpression(tref), vr.VariableName);
CodeDomVisitor.ReplaceTarget(ctx, m);
return;
//args.Cancel = true;
}
}
else if (scope.PropertyNames.Contains(vr.VariableName))
{
CodeTypeReference tref;
// find out where it belongs.
if (scope.ThisTargets.Contains(vr.VariableName))
{
var p = new CodePropertyReferenceExpression(new CodeThisReferenceExpression(), vr.VariableName);
CodeDomVisitor.ReplaceTarget(ctx, p);
return;
//args.Cancel = true;
}
else if (scope.TypeTargets.TryGetValue(vr.VariableName, out tref))
{
var p = new CodePropertyReferenceExpression(new CodeTypeReferenceExpression(tref), vr.VariableName);
CodeDomVisitor.ReplaceTarget(ctx, p);
return;
//args.Cancel = true;
}
}
else if (scope.EventNames.Contains(vr.VariableName))
{
CodeTypeReference tref;
// find out where it belongs.
if (scope.ThisTargets.Contains(vr.VariableName))
{
var e = new CodeEventReferenceExpression(new CodeThisReferenceExpression(), vr.VariableName);
CodeDomVisitor.ReplaceTarget(ctx, e);
return;
//args.Cancel = true;
}
else if (scope.TypeTargets.TryGetValue(vr.VariableName, out tref))
{
var e = new CodeEventReferenceExpression(new CodeTypeReferenceExpression(tref), vr.VariableName);
CodeDomVisitor.ReplaceTarget(ctx, e);
return;
//args.Cancel = true;
}
}
return;
}
return;
}