internal Parser(Scanner scanner, ServiceProvider services)
{
this.scanner = scanner;
this.services = services;
this.compilerError = services.GetRequiredService <ICompilerError>();
}
internal Scanner(string data, IServiceProvider serviceProvider, bool isFile = true)
{
this.compilerError = serviceProvider.GetRequiredService <ICompilerError>();
if (isFile)
{
if (string.IsNullOrEmpty(data))
{
throw new ArgumentNullException("The path is null");
}
if (!File.Exists(data))
{
throw new FileLoadException("Unable to find file " + data);
}
fileData = File.ReadAllBytes(data);
return;
}
fileData = Encoding.ASCII.GetBytes(data);
}
protected int currentType; // current type expected in the parse.
//--- add error object if the parser is not recovering.
protected void semanticError (ICompilerError err) {
if (parser.IsRecovering) return; // don't record semantic errors if already recovering from syntax error.
parser.Errors.Add (err);
if (!(parser is RecoveringRdParser))
throw new CompilerErrorException(); // terminate compilation on 1st error.
} // end semanticError method.
