internal void AddError(int errorCode, string description, SourceLocation sourceLocation)
 {
     Microsoft.Compiler.VisualBasic.Error item = new Microsoft.Compiler.VisualBasic.Error(errorCode, description, sourceLocation);
     this.m_errors.Add(item);
 }
 internal void AddError(int errorCode, string description, SourceLocation sourceLocation)
 {
     Microsoft.Compiler.VisualBasic.Error item = new Microsoft.Compiler.VisualBasic.Error(errorCode, description, sourceLocation);
     this.m_errors.Add(item);
 }