private IEnumerable <IDeclaration <SyntaxNode> > FindDeclarations(
string identifier, IDeclaration <SyntaxNode> declarationContext)
{
List <IDeclaration <SyntaxNode> > declarations;
if (declarationContext != null)
{
foreach (var usingDirective in declarationContext.UsingDirectives)
{
var lookupName = ADeclaration <SyntaxNode> .GetFullName(usingDirective, identifier);
if (this.declarationMap.TryGetValue(lookupName, out declarations))
{
return(declarations);
}
}
foreach (var nameSpace in NameSpaceHelper.GetParentNameSpaces(declarationContext.DeclarationNameSpace))
{
if (this.declarationMap.TryGetValue(
ADeclaration <SyntaxNode> .GetFullName(nameSpace, identifier),
out declarations))
{
return(declarations);
}
}
}
if (this.declarationMap.TryGetValue(identifier, out declarations))
{
return(declarations);
}
return(null);
}
private ISelector GetSelectorFromPatternAttribute(AttributeSyntax attributeSyntax)
{
var selectorExp = attributeSyntax.ArgumentList.Arguments.First();
var constEvaluator = new ConstantExpressionSyntaxEvaluator <string>();
var selectorTypeName = constEvaluator.Visit(selectorExp.Expression);
var nsBase = this.pattern.UsingDirectives
.Concat(NameSpaceHelper.GetParentNameSpaces(this.pattern.DeclarationNameSpace));
foreach (var usingDirective in nsBase)
{
var selectorType = Type.GetType($"{usingDirective}.{selectorTypeName}");
if (selectorType != null)
{
return((ISelector)Activator.CreateInstance(selectorType));
}
}
throw new ArgumentException($"Unknown selector {selectorTypeName}");
}
