public static ImmutableArray<SemanticModelInfo> Build(SyntaxTree tree)
{
var visitor = new ModelBuilder();
visitor.builder = ArrayBuilder<SemanticModelInfo>.GetInstance();
// Collect nodes of interest.
visitor.Visit(tree.GetRoot());
// Populate local scopes with local declarations
foreach (var info in visitor.builder.Reverse())
{
switch (info.Node.Kind)
{
case SyntaxKind.VariableDeclarator:
info.DeclScope.AddDeclaration(((VariableDeclaratorSyntax)info.Node).Identifier.ValueText, info);
break;
case SyntaxKind.CatchDeclaration:
info.DeclScope.AddDeclaration(((CatchDeclarationSyntax)info.Node).Identifier.ValueText, info);
break;
case SyntaxKind.ForEachStatement:
info.DeclScope.AddDeclaration(((ForEachStatementSyntax)info.Node).Identifier.ValueText, info);
break;
case SyntaxKind.Parameter:
info.DeclScope.AddDeclaration(((ParameterSyntax)info.Node).Identifier.ValueText, info);
break;
case SyntaxKind.IdentifierName:
break;
default:
throw new NotImplementedException();
}
}
// "Bind" identifiers
foreach (var info in visitor.builder)
{
if (info.Node.Kind == SyntaxKind.IdentifierName && info.DeclScope != null)
{
info.LocalOrParameterDeclaration = info.DeclScope.Bind(((IdentifierNameSyntax)info.Node).Identifier.ValueText);
if (info.LocalOrParameterDeclaration != null)
{
info.LocalOrParameterDeclaration.HasReferences = true;
}
}
}
return visitor.builder.ToImmutableAndFree();
}