[cli] Added an option for enabling debug mode for generated output.

src/CLI/CLI.cs

@@ -24,6 +24,7 @@ namespace CppSharp
             optionSet.Add("on=|outputnamespace=", "the {NAMESPACE} that will be used for the generated code", on => options.OutputNamespace = on );
 
             optionSet.Add("iln=|inputlibraryname=", "the {NAME} of the shared library that contains the symbols of the generated code", iln => options.InputLibraryName = iln );
+            optionSet.Add("d|debug", "enables debug mode which generates more verbose code to aid debugging", v => options.Debug = true);
             optionSet.Add("c|compile", "enables automatic compilation of the generated code", v => options.Compile = true);
             optionSet.Add("g=|gen=|generator=", "the {TYPE} of generated code: 'chsarp' or 'cli' ('cli' supported only for Windows)", g => { GetGeneratorKind(g, messages); } );
             optionSet.Add("p=|platform=", "the {PLATFORM} that the generated code will target: 'win', 'osx' or 'linux'", p => { GetDestinationPlatform(p, messages); } );

src/CLI/Generator.cs

@@ -182,6 +182,7 @@ namespace CppSharp
                     parserOptions.AddDefines(d.Key + "=" + d.Value);
             }
 
+            driverOptions.GenerateDebugOutput = options.Debug;
             driverOptions.CompileCode = options.Compile;
             driverOptions.OutputDir = options.OutputDir;
             driverOptions.CheckSymbols = options.CheckSymbols;

src/CLI/Options.cs

@@ -44,5 +44,7 @@ namespace CppSharp
         public bool Cpp11ABI { get; set; }
 
         public bool Compile { get; set; }
+
+        public bool Debug { get; set; }
     }
 }