public (ProtoFile File, Scope Scope) LoadFromFile(string filename)
{
var content = File.ReadAllText(filename);
ICharStream stream = CharStreams.fromstring(content);
ITokenSource lexer = new Protobuf3Lexer(stream);
ITokenStream tokens = new CommonTokenStream(lexer);
Protobuf3Parser parser = new Protobuf3Parser(tokens);
parser.AddErrorListener(_errorListener);
var context = parser.proto();
_errorListener.EnsureNoErrors();
var node = context.file;
var scope = _scope.CreateScope();
if (node.Imports.Any())
{
LoadImports(node, scope, filename);
}
node.CheckSemantic(scope, _reporter);
_reporter.EnsureNoErrors();
return(node, scope);
}
