Move contrib/tools/jdk to build/platform/java/jdk/testing

1 files changed, 4649 insertions, 0 deletions

diff --git a/contrib/tools/swig/Source/Modules/d.cxx b/contrib/tools/swig/Source/Modules/d.cxx
new file mode 100644
index 0000000000..31f300f2ea
--- /dev/null
+++ b/contrib/tools/swig/Source/Modules/d.cxx
@@ -0,0 +1,4649 @@
+/* -----------------------------------------------------------------------------
+ * This file is part of SWIG, which is licensed as a whole under version 3
+ * (or any later version) of the GNU General Public License. Some additional
+ * terms also apply to certain portions of SWIG. The full details of the SWIG
+ * license and copyrights can be found in the LICENSE and COPYRIGHT files
+ * included with the SWIG source code as distributed by the SWIG developers
+ * and at https://www.swig.org/legal.html.
+ *
+ * d.cxx
+ *
+ * D language module for SWIG.
+ * ----------------------------------------------------------------------------- */
+
+#include "swigmod.h"
+#include "cparse.h"
+#include <ctype.h>
+
+// Hash type used for storing information about director callbacks for a class.
+typedef DOH UpcallData;
+
+class D : public Language {
+  static const char *usage;
+  const String *empty_string;
+  const String *public_string;
+  const String *protected_string;
+
+  /*
+   * Files and file sections containing C/C++ code.
+   */
+  File *f_begin;
+  File *f_runtime;
+  File *f_runtime_h;
+  File *f_header;
+  File *f_wrappers;
+  File *f_init;
+  File *f_directors;
+  File *f_directors_h;
+  List *filenames_list;
+
+  /*
+   * Command line-set modes of operation.
+   */
+  // Whether a single proxy D module is generated or classes and enums are
+  // written to their own files.
+  bool split_proxy_dmodule;
+
+  // The major D version targeted (currently 1 or 2).
+  unsigned short d_version;
+
+  /*
+   * State variables which indicate what is being wrapped at the moment.
+   * This is probably not the most elegant way of handling state, but it has
+   * proven to work in the C# and Java modules.
+   */
+  // Indicates if wrapping a native function.
+  bool native_function_flag;
+
+  // Indicates if wrapping a static functions or member variables
+  bool static_flag;
+
+  // Indicates if wrapping a nonstatic member variable
+  bool variable_wrapper_flag;
+
+  // Indicates if wrapping a member variable/enum/const.
+  bool wrapping_member_flag;
+
+  // Indicates if wrapping a global variable.
+  bool global_variable_flag;
+
+  // Name of a variable being wrapped.
+  String *variable_name;
+
+  /*
+   * Variables temporarily holding the generated C++ code.
+   */
+  // C++ code for the generated wrapper functions for casts up the C++
+  // for inheritance hierarchies.
+  String *upcasts_code;
+
+  // Function pointer typedefs for handling director callbacks on the C++ side.
+  String *director_callback_typedefs;
+
+  // Variables for storing the function pointers to the director callbacks on
+  // the C++ side.
+  String *director_callback_pointers;
+
+  /*
+   * Names of generated D entities.
+   */
+  // The name of the D module containing the interface to the C wrapper.
+  String *im_dmodule_name;
+
+  // The fully qualified name of the wrap D module (package name included).
+  String *im_dmodule_fq_name;
+
+  // The name of the proxy module which exposes the (SWIG) module contents as a
+  // D module.
+  String *proxy_dmodule_name;
+
+  // The fully qualified name of the proxy D module.
+  String *proxy_dmodule_fq_name;
+
+  // Optional: Package the D modules are placed in (set via the -package
+  // command line option).
+  String *package;
+
+  // The directory the generated D module files are written to. Is constructed
+  // from the package path if a target package is set, points to the general
+  // output directory otherwise.
+  String *dmodule_directory;
+
+  // The name of the library which contains the C wrapper (used when generating
+  // the dynamic library loader). Can be overridden via the -wrapperlibrary
+  // command line flag.
+  String *wrap_library_name;
+
+  /*
+   * Variables temporarily holding the generated D code.
+   */
+  // Import statements written to the intermediary D module header set via
+  // %pragma(d) imdmoduleimports.
+  String *im_dmodule_imports;
+
+  // The code for the intermediary D module body.
+  String *im_dmodule_code;
+
+  // Import statements for all proxy modules (the main proxy module and, if in
+  // split proxy module mode, the proxy class modules) from
+  // %pragma(d) globalproxyimports.
+  String *global_proxy_imports;
+
+  // The D code for the main proxy modules. nspace_proxy_dmodules is a hash from
+  // the namespace name as key to an {"imports", "code"}. If the nspace feature
+  // is not active, only proxy_dmodule_imports and proxy_dmodule_code are used,
+  // which contain the code for the root proxy module.
+  //
+  // These variables should not be accessed directly but rather via the
+  // proxy{Imports, Code}Buffer)() helper functions which return the right
+  // buffer for a given namespace. If not in split proxy mode, they contain the
+  // whole proxy code.
+  String *proxy_dmodule_imports;
+  String *proxy_dmodule_code;
+  Hash *nspace_proxy_dmodules;
+
+  // The D code generated for the currently processed enum.
+  String *proxy_enum_code;
+
+  /*
+   * D data for the current proxy class.
+   *
+   * These strings are mainly used to temporarily accumulate code from the
+   * various member handling functions while a single class is processed and are
+   * no longer relevant once that class has been finished, i.e. after
+   * classHandler() has returned.
+   */
+  // The unqualified name of the current proxy class.
+  String *proxy_class_name;
+
+  // The name of the current proxy class, qualified with the name of the
+  // namespace it is in, if any.
+  String *proxy_class_qname;
+
+  // The import directives for the current proxy class. They are written to the
+  // same D module the proxy class is written to.
+  String *proxy_class_imports;
+
+  // Code for enumerations nested in the current proxy class. Is emitted earlier
+  // than the rest of the body to work around forward referencing-issues.
+  String *proxy_class_enums_code;
+
+  // The generated D code making up the body of the current proxy class.
+  String *proxy_class_body_code;
+
+  // D code which is emitted right after the proxy class.
+  String *proxy_class_epilogue_code;
+
+  // The full code for the current proxy class, including the epilogue.
+  String* proxy_class_code;
+
+  // Contains a D call to the function wrapping C++ the destructor of the
+  // current class (if there is a public C++ destructor).
+  String *destructor_call;
+
+  // D code for the director callbacks generated for the current class.
+  String *director_dcallbacks_code;
+
+  /*
+   * Code for dynamically loading the wrapper library on the D side.
+   */
+  // D code which is inserted into the im D module if dynamic linking is used.
+  String *wrapper_loader_code;
+
+  // The D code to bind a function pointer to a library symbol.
+  String *wrapper_loader_bind_command;
+
+  // The cumulated binding commands binding all the functions declared in the
+  // intermediary D module to the C/C++ library symbols.
+  String *wrapper_loader_bind_code;
+
+  /*
+   * Director data.
+   */
+  List *dmethods_seq;
+  Hash *dmethods_table;
+  int n_dmethods;
+  int first_class_dmethod;
+  int curr_class_dmethod;
+
+  /*
+   * SWIG types data.
+   */
+  // Collects information about encountered types SWIG does not know about (e.g.
+  // incomplete types). This is used later to generate type wrapper proxy
+  // classes for the unknown types.
+  Hash *unknown_types;
+
+
+public:
+  /* ---------------------------------------------------------------------------
+   * D::D()
+   * --------------------------------------------------------------------------- */
+   D():empty_string(NewString("")),
+      public_string(NewString("public")),
+      protected_string(NewString("protected")),
+      f_begin(NULL),
+      f_runtime(NULL),
+      f_runtime_h(NULL),
+      f_header(NULL),
+      f_wrappers(NULL),
+      f_init(NULL),
+      f_directors(NULL),
+      f_directors_h(NULL),
+      filenames_list(NULL),
+      split_proxy_dmodule(false),
+      d_version(1),
+      native_function_flag(false),
+      static_flag(false),
+      variable_wrapper_flag(false),
+      wrapping_member_flag(false),
+      global_variable_flag(false),
+      variable_name(NULL),
+      upcasts_code(NULL),
+      director_callback_typedefs(NULL),
+      director_callback_pointers(NULL),
+      im_dmodule_name(NULL),
+      im_dmodule_fq_name(NULL),
+      proxy_dmodule_name(NULL),
+      proxy_dmodule_fq_name(NULL),
+      package(NULL),
+      dmodule_directory(NULL),
+      wrap_library_name(NULL),
+      im_dmodule_imports(NULL),
+      im_dmodule_code(NULL),
+      global_proxy_imports(NULL),
+      proxy_dmodule_imports(NULL),
+      proxy_dmodule_code(NULL),
+      nspace_proxy_dmodules(NULL),
+      proxy_enum_code(NULL),
+      proxy_class_name(NULL),
+      proxy_class_qname(NULL),
+      proxy_class_imports(NULL),
+      proxy_class_enums_code(NULL),
+      proxy_class_body_code(NULL),
+      proxy_class_epilogue_code(NULL),
+      proxy_class_code(NULL),
+      destructor_call(NULL),
+      director_dcallbacks_code(NULL),
+      wrapper_loader_code(NULL),
+      wrapper_loader_bind_command(NULL),
+      wrapper_loader_bind_code(NULL),
+      dmethods_seq(NULL),
+      dmethods_table(NULL),
+      n_dmethods(0),
+      first_class_dmethod(0),
+      curr_class_dmethod(0),
+      unknown_types(NULL) {
+
+    // For now, multiple inheritance with directors is not possible. It should be
+    // easy to implement though.
+    director_multiple_inheritance = 0;
+    director_language = 1;
+
+    // Not used:
+    Delete(none_comparison);
+    none_comparison = NewString("");
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::main()
+   * --------------------------------------------------------------------------- */
+  virtual void main(int argc, char *argv[]) {
+    SWIG_library_directory("d");
+
+    // Look for certain command line options
+    for (int i = 1; i < argc; i++) {
+      if (argv[i]) {
+	if ((strcmp(argv[i], "-d2") == 0)) {
+      	  Swig_mark_arg(i);
+      	  d_version = 2;
+      	} else if (strcmp(argv[i], "-wrapperlibrary") == 0) {
+	  if (argv[i + 1]) {
+	    wrap_library_name = NewString("");
+	    Printf(wrap_library_name, argv[i + 1]);
+	    Swig_mark_arg(i);
+	    Swig_mark_arg(i + 1);
+	    i++;
+	  } else {
+	    Swig_arg_error();
+	  }
+	} else if (strcmp(argv[i], "-package") == 0) {
+	  if (argv[i + 1]) {
+	    package = NewString("");
+	    Printf(package, argv[i + 1]);
+	    Swig_mark_arg(i);
+	    Swig_mark_arg(i + 1);
+	    i++;
+	  } else {
+	    Swig_arg_error();
+	  }
+	} else if ((strcmp(argv[i], "-splitproxy") == 0)) {
+	  Swig_mark_arg(i);
+	  split_proxy_dmodule = true;
+	} else if (strcmp(argv[i], "-help") == 0) {
+	  Printf(stdout, "%s\n", usage);
+	}
+      }
+    }
+
+    // Add a symbol to the parser for conditional compilation
+    Preprocessor_define("SWIGD 1", 0);
+
+    // Also make the target D version available as preprocessor symbol for
+    // use in our library files.
+    String *version_define = NewStringf("SWIG_D_VERSION %u", d_version);
+    Preprocessor_define(version_define, 0);
+    Delete(version_define);
+
+    // Add typemap definitions
+    SWIG_typemap_lang("d");
+    SWIG_config_file("d.swg");
+
+    allow_overloading();
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::top()
+   * --------------------------------------------------------------------------- */
+  virtual int top(Node *n) {
+    // Get any options set in the module directive
+    Node *optionsnode = Getattr(Getattr(n, "module"), "options");
+
+    if (optionsnode) {
+      if (Getattr(optionsnode, "imdmodulename")) {
+	im_dmodule_name = Copy(Getattr(optionsnode, "imdmodulename"));
+      }
+
+      if (Getattr(optionsnode, "directors")) {
+	// Check if directors are enabled for this module. Note: This is a
+	// "master switch", if it is not set, not director code will be emitted
+	// at all. %feature("director") statements are also required to enable
+	// directors for individual classes or methods.
+	//
+	// Use the »directors« attributte of the %module directive to enable
+	// director generation (e.g. »%module(directors="1") modulename«).
+	allow_directors();
+      }
+
+      if (Getattr(optionsnode, "dirprot")) {
+	allow_dirprot();
+      }
+
+      allow_allprotected(GetFlag(optionsnode, "allprotected"));
+    }
+
+    /* Initialize all of the output files */
+    String *outfile = Getattr(n, "outfile");
+    String *outfile_h = Getattr(n, "outfile_h");
+
+    if (!outfile) {
+      Printf(stderr, "Unable to determine outfile\n");
+      Exit(EXIT_FAILURE);
+    }
+
+    f_begin = NewFile(outfile, "w", SWIG_output_files());
+    if (!f_begin) {
+      FileErrorDisplay(outfile);
+      Exit(EXIT_FAILURE);
+    }
+
+    if (directorsEnabled()) {
+      if (!outfile_h) {
+	Printf(stderr, "Unable to determine outfile_h\n");
+	Exit(EXIT_FAILURE);
+      }
+      f_runtime_h = NewFile(outfile_h, "w", SWIG_output_files());
+      if (!f_runtime_h) {
+	FileErrorDisplay(outfile_h);
+	Exit(EXIT_FAILURE);
+      }
+    }
+
+    f_runtime = NewString("");
+    f_init = NewString("");
+    f_header = NewString("");
+    f_wrappers = NewString("");
+    f_directors_h = NewString("");
+    f_directors = NewString("");
+
+    /* Register file targets with the SWIG file handler */
+    Swig_register_filebyname("header", f_header);
+    Swig_register_filebyname("wrapper", f_wrappers);
+    Swig_register_filebyname("begin", f_begin);
+    Swig_register_filebyname("runtime", f_runtime);
+    Swig_register_filebyname("init", f_init);
+    Swig_register_filebyname("director", f_directors);
+    Swig_register_filebyname("director_h", f_directors_h);
+
+    unknown_types = NewHash();
+    filenames_list = NewList();
+
+    // Make the package name and the resulting module output path.
+    if (package) {
+      // Append a dot so we can prepend the package variable directly to the
+      // module names in the rest of the code.
+      Printv(package, ".", NIL);
+    } else {
+      // Write the generated D modules to the »root« package by default.
+      package = NewString("");
+    }
+
+    dmodule_directory = Copy(SWIG_output_directory());
+    if (Len(package) > 0) {
+      String *package_directory = Copy(package);
+      Replaceall(package_directory, ".", SWIG_FILE_DELIMITER);
+      Printv(dmodule_directory, package_directory, NIL);
+      Delete(package_directory);
+    }
+
+    // Make the wrap and proxy D module names.
+    // The wrap module name can be set in the module directive.
+    if (!im_dmodule_name) {
+      im_dmodule_name = NewStringf("%s_im", Getattr(n, "name"));
+    }
+    im_dmodule_fq_name = NewStringf("%s%s", package, im_dmodule_name);
+    proxy_dmodule_name = Copy(Getattr(n, "name"));
+    proxy_dmodule_fq_name = NewStringf("%s%s", package, proxy_dmodule_name);
+
+    im_dmodule_code = NewString("");
+    proxy_class_imports = NewString("");
+    proxy_class_enums_code = NewString("");
+    proxy_class_body_code = NewString("");
+    proxy_class_epilogue_code = NewString("");
+    proxy_class_code = NewString("");
+    destructor_call = NewString("");
+    proxy_dmodule_code = NewString("");
+    proxy_dmodule_imports = NewString("");
+    nspace_proxy_dmodules = NewHash();
+    im_dmodule_imports = NewString("");
+    upcasts_code = NewString("");
+    global_proxy_imports = NewString("");
+    wrapper_loader_code = NewString("");
+    wrapper_loader_bind_command = NewString("");
+    wrapper_loader_bind_code = NewString("");
+    dmethods_seq = NewList();
+    dmethods_table = NewHash();
+    n_dmethods = 0;
+
+    // By default, expect the dynamically loaded wrapper library to be named
+    // [lib]<module>_wrap[.so/.dll].
+    if (!wrap_library_name)
+      wrap_library_name = NewStringf("%s_wrap", Getattr(n, "name"));
+
+    Swig_banner(f_begin);
+
+    Swig_obligatory_macros(f_runtime, "D");
+
+    if (directorsEnabled()) {
+      Printf(f_runtime, "#define SWIG_DIRECTORS\n");
+
+      /* Emit initial director header and director code: */
+      Swig_banner(f_directors_h);
+      Printf(f_directors_h, "\n");
+      Printf(f_directors_h, "#ifndef SWIG_%s_WRAP_H_\n", proxy_dmodule_name);
+      Printf(f_directors_h, "#define SWIG_%s_WRAP_H_\n\n", proxy_dmodule_name);
+
+      Printf(f_directors, "\n\n");
+      Printf(f_directors, "/* ---------------------------------------------------\n");
+      Printf(f_directors, " * C++ director class methods\n");
+      Printf(f_directors, " * --------------------------------------------------- */\n\n");
+      if (outfile_h) {
+	String *filename = Swig_file_filename(outfile_h);
+	Printf(f_directors, "#include \"%s\"\n\n", filename);
+	Delete(filename);
+      }
+    }
+
+    Printf(f_runtime, "\n");
+
+    Swig_name_register("wrapper", "D_%f");
+
+    Printf(f_wrappers, "\n#ifdef __cplusplus\n");
+    Printf(f_wrappers, "extern \"C\" {\n");
+    Printf(f_wrappers, "#endif\n\n");
+
+    // Emit all the wrapper code.
+    Language::top(n);
+
+    if (directorsEnabled()) {
+      // Insert director runtime into the f_runtime file (before %header section).
+      Swig_insert_file("director_common.swg", f_runtime);
+      Swig_insert_file("director.swg", f_runtime);
+    }
+
+    // Generate the wrap D module.
+    // TODO: Add support for »static« linking.
+    {
+      String *filen = NewStringf("%s%s.d", dmodule_directory, im_dmodule_name);
+      File *im_d_file = NewFile(filen, "w", SWIG_output_files());
+      if (!im_d_file) {
+	FileErrorDisplay(filen);
+	Exit(EXIT_FAILURE);
+      }
+      Append(filenames_list, Copy(filen));
+      Delete(filen);
+      filen = NULL;
+
+      // Start writing out the intermediary class file.
+      emitBanner(im_d_file);
+
+      Printf(im_d_file, "module %s;\n", im_dmodule_fq_name);
+
+      Printv(im_d_file, im_dmodule_imports, "\n", NIL);
+
+      Replaceall(wrapper_loader_code, "$wraplibrary", wrap_library_name);
+      Replaceall(wrapper_loader_code, "$wrapperloaderbindcode", wrapper_loader_bind_code);
+      Replaceall(wrapper_loader_code, "$module", proxy_dmodule_name);
+      Printf(im_d_file, "%s\n", wrapper_loader_code);
+
+      // Add the wrapper function declarations.
+      replaceModuleVariables(im_dmodule_code);
+      Printv(im_d_file, im_dmodule_code, NIL);
+
+      Delete(im_d_file);
+    }
+
+    // Generate the main D proxy module.
+    {
+      String *filen = NewStringf("%s%s.d", dmodule_directory, proxy_dmodule_name);
+      File *proxy_d_file = NewFile(filen, "w", SWIG_output_files());
+      if (!proxy_d_file) {
+	FileErrorDisplay(filen);
+	Exit(EXIT_FAILURE);
+      }
+      Append(filenames_list, Copy(filen));
+      Delete(filen);
+      filen = NULL;
+
+      emitBanner(proxy_d_file);
+
+      Printf(proxy_d_file, "module %s;\n", proxy_dmodule_fq_name);
+      Printf(proxy_d_file, "\nstatic import %s;\n", im_dmodule_fq_name);
+      Printv(proxy_d_file, global_proxy_imports, NIL);
+      Printv(proxy_d_file, proxy_dmodule_imports, NIL);
+      Printv(proxy_d_file, "\n", NIL);
+
+      // Write a D type wrapper class for each SWIG type to the proxy module code.
+      for (Iterator swig_type = First(unknown_types); swig_type.key; swig_type = Next(swig_type)) {
+	writeTypeWrapperClass(swig_type.key, swig_type.item);
+      }
+
+      // Add the proxy functions (and classes, if they are not written to a separate file).
+      replaceModuleVariables(proxy_dmodule_code);
+      Printv(proxy_d_file, proxy_dmodule_code, NIL);
+
+      Delete(proxy_d_file);
+    }
+
+    // Generate the additional proxy modules for nspace support.
+    for (Iterator it = First(nspace_proxy_dmodules); it.key; it = Next(it)) {
+      String *module_name = createLastNamespaceName(it.key);
+
+      String *filename = NewStringf("%s%s.d", outputDirectory(it.key), module_name);
+      File *file = NewFile(filename, "w", SWIG_output_files());
+      if (!file) {
+	FileErrorDisplay(filename);
+	Exit(EXIT_FAILURE);
+      }
+      Delete(filename);
+
+      emitBanner(file);
+
+      Printf(file, "module %s%s.%s;\n", package, it.key, module_name);
+      Printf(file, "\nstatic import %s;\n", im_dmodule_fq_name);
+      Printv(file, global_proxy_imports, NIL);
+      Printv(file, Getattr(it.item, "imports"), NIL);
+      Printv(file, "\n", NIL);
+
+      String *code = Getattr(it.item, "code");
+      replaceModuleVariables(code);
+      Printv(file, code, NIL);
+
+      Delete(file);
+      Delete(module_name);
+    }
+
+    if (upcasts_code)
+      Printv(f_wrappers, upcasts_code, NIL);
+
+    Printf(f_wrappers, "#ifdef __cplusplus\n");
+    Printf(f_wrappers, "}\n");
+    Printf(f_wrappers, "#endif\n");
+
+    // Check for overwriting file problems on filesystems that are case insensitive
+    Iterator it1;
+    Iterator it2;
+    for (it1 = First(filenames_list); it1.item; it1 = Next(it1)) {
+      String *item1_lower = Swig_string_lower(it1.item);
+      for (it2 = Next(it1); it2.item; it2 = Next(it2)) {
+	String *item2_lower = Swig_string_lower(it2.item);
+	if (it1.item && it2.item) {
+	  if (Strcmp(item1_lower, item2_lower) == 0) {
+	    Swig_warning(WARN_LANG_PORTABILITY_FILENAME, input_file, line_number,
+			 "Portability warning: File %s will be overwritten by %s on case insensitive filesystems such as "
+			 "Windows' FAT32 and NTFS unless the class/module name is renamed\n", it1.item, it2.item);
+	  }
+	}
+	Delete(item2_lower);
+      }
+      Delete(item1_lower);
+    }
+
+    Delete(unknown_types);
+    unknown_types = NULL;
+    Delete(filenames_list);
+    filenames_list = NULL;
+    Delete(im_dmodule_name);
+    im_dmodule_name = NULL;
+    Delete(im_dmodule_fq_name);
+    im_dmodule_fq_name = NULL;
+    Delete(im_dmodule_code);
+    im_dmodule_code = NULL;
+    Delete(proxy_class_imports);
+    proxy_class_imports = NULL;
+    Delete(proxy_class_enums_code);
+    proxy_class_enums_code = NULL;
+    Delete(proxy_class_body_code);
+    proxy_class_body_code = NULL;
+    Delete(proxy_class_epilogue_code);
+    proxy_class_epilogue_code = NULL;
+    Delete(proxy_class_code);
+    proxy_class_code = NULL;
+    Delete(destructor_call);
+    destructor_call = NULL;
+    Delete(proxy_dmodule_name);
+    proxy_dmodule_name = NULL;
+    Delete(proxy_dmodule_fq_name);
+    proxy_dmodule_fq_name = NULL;
+    Delete(proxy_dmodule_code);
+    proxy_dmodule_code = NULL;
+    Delete(proxy_dmodule_imports);
+    proxy_dmodule_imports = NULL;
+    Delete(nspace_proxy_dmodules);
+    nspace_proxy_dmodules = NULL;
+    Delete(im_dmodule_imports);
+    im_dmodule_imports = NULL;
+    Delete(upcasts_code);
+    upcasts_code = NULL;
+    Delete(global_proxy_imports);
+    global_proxy_imports = NULL;
+    Delete(wrapper_loader_code);
+    wrapper_loader_code = NULL;
+    Delete(wrapper_loader_bind_code);
+    wrapper_loader_bind_code = NULL;
+    Delete(wrapper_loader_bind_command);
+    wrapper_loader_bind_command = NULL;
+    Delete(dmethods_seq);
+    dmethods_seq = NULL;
+    Delete(dmethods_table);
+    dmethods_table = NULL;
+    Delete(package);
+    package = NULL;
+    Delete(dmodule_directory);
+    dmodule_directory = NULL;
+    n_dmethods = 0;
+
+    // Merge all the generated C/C++ code and close the output files.
+    Dump(f_runtime, f_begin);
+    Dump(f_header, f_begin);
+
+    if (directorsEnabled()) {
+      Dump(f_directors, f_begin);
+      Dump(f_directors_h, f_runtime_h);
+
+      Printf(f_runtime_h, "\n");
+      Printf(f_runtime_h, "#endif\n");
+
+      Delete(f_runtime_h);
+      f_runtime_h = NULL;
+      Delete(f_directors);
+      f_directors = NULL;
+      Delete(f_directors_h);
+      f_directors_h = NULL;
+    }
+
+    Dump(f_wrappers, f_begin);
+    Wrapper_pretty_print(f_init, f_begin);
+    Delete(f_header);
+    Delete(f_wrappers);
+    Delete(f_init);
+    Delete(f_runtime);
+    Delete(f_begin);
+
+    return SWIG_OK;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::insertDirective()
+   * --------------------------------------------------------------------------- */
+  virtual int insertDirective(Node *n) {
+    int ret = SWIG_OK;
+    String *code = Getattr(n, "code");
+    String *section = Getattr(n, "section");
+    replaceModuleVariables(code);
+
+    if (!ImportMode && (Cmp(section, "proxycode") == 0)) {
+      if (proxy_class_body_code) {
+	Swig_typemap_replace_embedded_typemap(code, n);
+	Printv(proxy_class_body_code, code, NIL);
+      }
+    } else {
+      ret = Language::insertDirective(n);
+    }
+    return ret;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::pragmaDirective()
+   *
+   * Valid Pragmas:
+   * imdmodulecode      - text (D code) is copied verbatim to the wrap module
+   * imdmoduleimports   - import statements for the im D module
+   *
+   * proxydmodulecode     - text (D code) is copied verbatim to the proxy module
+   *                        (the main proxy module if in split proxy mode).
+   * globalproxyimports   - import statements inserted into _all_ proxy modules.
+   *
+   * wrapperloadercode    - D code for loading the wrapper library (is copied to
+   *                        the im D module).
+   * wrapperloaderbindcommand - D code for binding a symbol from the wrapper
+   *                        library to the declaration in the im D module.
+   * --------------------------------------------------------------------------- */
+  virtual int pragmaDirective(Node *n) {
+    if (!ImportMode) {
+      String *lang = Getattr(n, "lang");
+      String *code = Getattr(n, "name");
+      String *value = Getattr(n, "value");
+
+      if (Strcmp(lang, "d") == 0) {
+	String *strvalue = NewString(value);
+	Replaceall(strvalue, "\\\"", "\"");
+
+	if (Strcmp(code, "imdmodulecode") == 0) {
+	  Printf(im_dmodule_code, "%s\n", strvalue);
+	} else if (Strcmp(code, "imdmoduleimports") == 0) {
+	  replaceImportTypeMacros(strvalue);
+	  Chop(strvalue);
+	  Printf(im_dmodule_imports, "%s\n", strvalue);
+	} else if (Strcmp(code, "proxydmodulecode") == 0) {
+	  Printf(proxyCodeBuffer(0), "%s\n", strvalue);
+	} else if (Strcmp(code, "globalproxyimports") == 0) {
+	  replaceImportTypeMacros(strvalue);
+	  Chop(strvalue);
+	  Printf(global_proxy_imports, "%s\n", strvalue);
+	} else if (Strcmp(code, "wrapperloadercode") == 0) {
+	  Delete(wrapper_loader_code);
+	  wrapper_loader_code = Copy(strvalue);
+	} else if (Strcmp(code, "wrapperloaderbindcommand") == 0) {
+	  Delete(wrapper_loader_bind_command);
+	  wrapper_loader_bind_command = Copy(strvalue);
+	} else {
+	  Swig_error(input_file, line_number, "Unrecognized pragma.\n");
+	}
+	Delete(strvalue);
+      }
+    }
+    return Language::pragmaDirective(n);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::enumDeclaration()
+   *
+   * Wraps C/C++ enums as D enums.
+   * --------------------------------------------------------------------------- */
+  virtual int enumDeclaration(Node *n) {
+    if (ImportMode)
+      return SWIG_OK;
+
+    if (getCurrentClass() && (cplus_mode != PUBLIC))
+      return SWIG_NOWRAP;
+
+    proxy_enum_code = NewString("");
+    String *symname = Getattr(n, "sym:name");
+    String *typemap_lookup_type = Getattr(n, "name");
+
+    // Emit the enum declaration.
+    if (typemap_lookup_type) {
+      const String *enummodifiers = lookupCodeTypemap(n, "dclassmodifiers", typemap_lookup_type, WARN_D_TYPEMAP_CLASSMOD_UNDEF);
+      Printv(proxy_enum_code, "\n", enummodifiers, " ", symname, " {\n", NIL);
+    } else {
+      // Handle anonymous enums.
+      Printv(proxy_enum_code, "\nenum {\n", NIL);
+    }
+
+    // Emit each enum item.
+    Language::enumDeclaration(n);
+
+    if (GetFlag(n, "nonempty")) {
+      // Finish the enum.
+      if (typemap_lookup_type) {
+	Printv(proxy_enum_code,
+	  lookupCodeTypemap(n, "dcode", typemap_lookup_type, WARN_NONE), // Extra D code
+	  "\n}\n", NIL);
+      } else {
+	// Handle anonymous enums.
+	Printv(proxy_enum_code, "\n}\n", NIL);
+      }
+      Replaceall(proxy_enum_code, "$dclassname", symname);
+    } else {
+      // D enum declarations must have at least one member to be legal, so emit
+      // an alias to int instead (their ctype/imtype is always int).
+      Delete(proxy_enum_code);
+      proxy_enum_code = NewStringf("\nalias int %s;\n", symname);
+    }
+
+    const String* imports =
+      lookupCodeTypemap(n, "dimports", typemap_lookup_type, WARN_NONE);
+    String* imports_trimmed;
+    if (Len(imports) > 0) {
+      imports_trimmed = Copy(imports);
+      Chop(imports_trimmed);
+      replaceImportTypeMacros(imports_trimmed);
+      Printv(imports_trimmed, "\n", NIL);
+    } else {
+      imports_trimmed = NewString("");
+    }
+
+    if (is_wrapping_class()) {
+      // Enums defined within the C++ class are written into the proxy
+      // class.
+      Printv(proxy_class_imports, imports_trimmed, NIL);
+      Printv(proxy_class_enums_code, proxy_enum_code, NIL);
+    } else {
+      // Write non-anonymous enums to their own file if in split proxy module
+      // mode.
+      if (split_proxy_dmodule && typemap_lookup_type) {
+	assertClassNameValidity(proxy_class_name);
+
+	String *nspace = Getattr(n, "sym:nspace");
+	String *output_directory = outputDirectory(nspace);
+	String *filename = NewStringf("%s%s.d", output_directory, symname);
+	Delete(output_directory);
+
+	File *class_file = NewFile(filename, "w", SWIG_output_files());
+	if (!class_file) {
+	  FileErrorDisplay(filename);
+	  Exit(EXIT_FAILURE);
+	}
+	Append(filenames_list, Copy(filename));
+	Delete(filename);
+
+	emitBanner(class_file);
+	if (nspace) {
+	  Printf(class_file, "module %s%s.%s;\n", package, nspace, symname);
+	} else {
+	  Printf(class_file, "module %s%s;\n", package, symname);
+	}
+	Printv(class_file, imports_trimmed, NIL);
+
+	Printv(class_file, proxy_enum_code, NIL);
+
+	Delete(class_file);
+      } else {
+	String *nspace = Getattr(n, "sym:nspace");
+	Printv(proxyImportsBuffer(nspace), imports, NIL);
+	Printv(proxyCodeBuffer(nspace), proxy_enum_code, NIL);
+      }
+    }
+
+    Delete(imports_trimmed);
+
+    Delete(proxy_enum_code);
+    proxy_enum_code = NULL;
+    return SWIG_OK;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::enumvalueDeclaration()
+   * --------------------------------------------------------------------------- */
+  virtual int enumvalueDeclaration(Node *n) {
+    if (getCurrentClass() && (cplus_mode != PUBLIC))
+      return SWIG_NOWRAP;
+
+    Swig_require("enumvalueDeclaration", n, "*name", "?value", NIL);
+    String *value = Getattr(n, "value");
+    String *name = Getattr(n, "name");
+    Node *parent = parentNode(n);
+    String *tmpValue;
+
+    // Strange hack from parent method.
+    // RESEARCH: What is this doing?
+    if (value)
+      tmpValue = NewString(value);
+    else
+      tmpValue = NewString(name);
+    // Note that this is used in enumValue() amongst other places
+    Setattr(n, "value", tmpValue);
+
+    // Deal with enum values that are not int
+    int swigtype = SwigType_type(Getattr(n, "type"));
+    if (swigtype == T_BOOL) {
+      const char *val = Equal(Getattr(n, "enumvalue"), "true") ? "1" : "0";
+      Setattr(n, "enumvalue", val);
+    } else if (swigtype == T_CHAR) {
+      String *val = NewStringf("'%(escape)s'", Getattr(n, "enumvalue"));
+      Setattr(n, "enumvalue", val);
+      Delete(val);
+    }
+
+    // Emit the enum item.
+    {
+      if (!GetFlag(n, "firstenumitem"))
+	Printf(proxy_enum_code, ",\n");
+
+      Printf(proxy_enum_code, "  %s", Getattr(n, "sym:name"));
+
+      // Check for the %dconstvalue feature
+      String *value = Getattr(n, "feature:d:constvalue");
+
+      // Note that in D, enum values must be compile-time constants. Thus,
+      // %dmanifestconst(0) (getting the enum values at runtime) is not supported.
+      value = value ? value : Getattr(n, "enumvalue");
+      if (value) {
+	Printf(proxy_enum_code, " = %s", value);
+      }
+
+      // Keep track that the currently processed enum has at least one value.
+      SetFlag(parent, "nonempty");
+    }
+
+    Delete(tmpValue);
+    Swig_restore(n);
+    return SWIG_OK;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::memberfunctionHandler()
+   * --------------------------------------------------------------------------- */
+  virtual int memberfunctionHandler(Node *n) {
+    Language::memberfunctionHandler(n);
+
+    String *overloaded_name = getOverloadedName(n);
+    String *intermediary_function_name =
+      Swig_name_member(getNSpace(), proxy_class_name, overloaded_name);
+    Setattr(n, "imfuncname", intermediary_function_name);
+
+    String *proxy_func_name = Getattr(n, "sym:name");
+    Setattr(n, "proxyfuncname", proxy_func_name);
+    if (split_proxy_dmodule &&
+      Len(Getattr(n, "parms")) == 0 &&
+      Strncmp(proxy_func_name, package, Len(proxy_func_name)) == 0) {
+      // If we are in split proxy mode and the function is named like the
+      // target package, the D compiler is unable to resolve the ambiguity
+      // between the package name and an argument-less function call.
+      // TODO: This might occur with nspace as well, augment the check.
+      Swig_warning(WARN_D_NAME_COLLISION, input_file, line_number,
+	"%s::%s might collide with the package name, consider using %%rename to resolve the ambiguity.\n",
+	proxy_class_name, proxy_func_name);
+    }
+
+    writeProxyClassFunction(n);
+
+    Delete(overloaded_name);
+
+    // For each function, look if we have to alias in the parent class function
+    // for the overload resolution process to work as expected from C++
+    // (http://www.digitalmars.com/d/2.0/function.html#function-inheritance).
+    // For multiple overloads, only emit the alias directive once (for the
+    // last method, »sym:nextSibling« is null then).
+    // Smart pointer classes do not mirror the inheritance hierarchy of the
+    // underlying types, so aliasing the base class methods in is not required
+    // for them.
+    // DMD BUG: We have to emit the alias after the last function because
+    // taking a delegate in the overload checking code fails otherwise
+    // (http://d.puremagic.com/issues/show_bug.cgi?id=4860).
+    if (!Getattr(n, "sym:nextSibling") && !is_smart_pointer() &&
+	!areAllOverloadsOverridden(n)) {
+      String *name = Getattr(n, "sym:name");
+      Printf(proxy_class_body_code, "\nalias $dbaseclass.%s %s;\n", name, name);
+    }
+    return SWIG_OK;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::staticmemberfunctionHandler()
+   * --------------------------------------------------------------------------- */
+  virtual int staticmemberfunctionHandler(Node *n) {
+    static_flag = true;
+
+    Language::staticmemberfunctionHandler(n);
+
+    String *overloaded_name = getOverloadedName(n);
+    String *intermediary_function_name =
+      Swig_name_member(getNSpace(), proxy_class_name, overloaded_name);
+    Setattr(n, "proxyfuncname", Getattr(n, "sym:name"));
+    Setattr(n, "imfuncname", intermediary_function_name);
+    writeProxyClassFunction(n);
+    Delete(overloaded_name);
+
+    static_flag = false;
+    return SWIG_OK;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::globalvariableHandler()
+   * --------------------------------------------------------------------------- */
+  virtual int globalvariableHandler(Node *n) {
+    variable_name = Getattr(n, "sym:name");
+    global_variable_flag = true;
+    int ret = Language::globalvariableHandler(n);
+    global_variable_flag = false;
+
+    return ret;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::membervariableHandler()
+   * --------------------------------------------------------------------------- */
+  virtual int membervariableHandler(Node *n) {
+    variable_name = Getattr(n, "sym:name");
+    wrapping_member_flag = true;
+    variable_wrapper_flag = true;
+    Language::membervariableHandler(n);
+    wrapping_member_flag = false;
+    variable_wrapper_flag = false;
+
+    return SWIG_OK;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::staticmembervariableHandler()
+   * --------------------------------------------------------------------------- */
+  virtual int staticmembervariableHandler(Node *n) {
+    if (GetFlag(n, "feature:d:manifestconst") != 1) {
+      Delattr(n, "value");
+    }
+
+    variable_name = Getattr(n, "sym:name");
+    wrapping_member_flag = true;
+    static_flag = true;
+    Language::staticmembervariableHandler(n);
+    wrapping_member_flag = false;
+    static_flag = false;
+
+    return SWIG_OK;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::memberconstantHandler()
+   * --------------------------------------------------------------------------- */
+  virtual int memberconstantHandler(Node *n) {
+    variable_name = Getattr(n, "sym:name");
+    wrapping_member_flag = true;
+    Language::memberconstantHandler(n);
+    wrapping_member_flag = false;
+    return SWIG_OK;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::constructorHandler()
+   * --------------------------------------------------------------------------- */
+  virtual int constructorHandler(Node *n) {
+    Language::constructorHandler(n);
+
+    // Wrappers not wanted for some methods where the parameters cannot be overloadedprocess in D.
+    if (Getattr(n, "overload:ignore")) {
+      return SWIG_OK;
+    }
+
+    ParmList *l = Getattr(n, "parms");
+    String *tm;
+    String *proxy_constructor_code = NewString("");
+    int i;
+
+    // Holds code for the constructor helper method generated only when the din
+    // typemap has code in the pre or post attributes.
+    String *helper_code = NewString("");
+    String *helper_args = NewString("");
+    String *pre_code = NewString("");
+    String *post_code = NewString("");
+    String *terminator_code = NewString("");
+    NewString("");
+
+    String *overloaded_name = getOverloadedName(n);
+    String *mangled_overname = Swig_name_construct(getNSpace(), overloaded_name);
+    String *imcall = NewString("");
+
+    const String *methodmods = Getattr(n, "feature:d:methodmodifiers");
+    methodmods = methodmods ? methodmods : (is_public(n) ? public_string : protected_string);
+
+    // Typemaps were attached earlier to the node, get the return type of the
+    // call to the C++ constructor wrapper.
+    const String *wrapper_return_type = lookupDTypemap(n, "imtype", true);
+
+    String *imtypeout = Getattr(n, "tmap:imtype:out");
+    if (imtypeout) {
+      // The type in the imtype typemap's out attribute overrides the type in
+      // the typemap itself.
+      wrapper_return_type = imtypeout;
+    }
+
+    Printf(proxy_constructor_code, "\n%s this(", methodmods);
+    Printf(helper_code, "static private %s SwigConstruct%s(",
+      wrapper_return_type, proxy_class_name);
+
+    Printv(imcall, im_dmodule_fq_name, ".", mangled_overname, "(", NIL);
+
+    /* Attach the non-standard typemaps to the parameter list */
+    Swig_typemap_attach_parms("in", l, NULL);
+    Swig_typemap_attach_parms("dtype", l, NULL);
+    Swig_typemap_attach_parms("din", l, NULL);
+
+    emit_mark_varargs(l);
+
+    int gencomma = 0;
+
+    /* Output each parameter */
+    Parm *p = l;
+    for (i = 0; p; i++) {
+      if (checkAttribute(p, "varargs:ignore", "1")) {
+	// Skip ignored varargs.
+	p = nextSibling(p);
+	continue;
+      }
+
+      if (checkAttribute(p, "tmap:in:numinputs", "0")) {
+	// Skip ignored parameters.
+	p = Getattr(p, "tmap:in:next");
+	continue;
+      }
+
+      SwigType *pt = Getattr(p, "type");
+      String *param_type = NewString("");
+
+      // Get the D parameter type.
+      if ((tm = lookupDTypemap(p, "dtype", true))) {
+	const String *inattributes = Getattr(p, "tmap:dtype:inattributes");
+	Printf(param_type, "%s%s", inattributes ? inattributes : empty_string, tm);
+      } else {
+	Swig_warning(WARN_D_TYPEMAP_DTYPE_UNDEF, input_file, line_number,
+	  "No dtype typemap defined for %s\n", SwigType_str(pt, 0));
+      }
+
+      if (gencomma)
+	Printf(imcall, ", ");
+
+      String *arg = makeParameterName(n, p, i, false);
+      String *parmtype = 0;
+
+      // Get the D code to convert the parameter value to the type used in the
+      // intermediary D module.
+      if ((tm = lookupDTypemap(p, "din"))) {
+	Replaceall(tm, "$dinput", arg);
+	String *pre = Getattr(p, "tmap:din:pre");
+	if (pre) {
+	  replaceClassname(pre, pt);
+	  Replaceall(pre, "$dinput", arg);
+	  if (Len(pre_code) > 0)
+	    Printf(pre_code, "\n");
+	  Printv(pre_code, pre, NIL);
+	}
+	String *post = Getattr(p, "tmap:din:post");
+	if (post) {
+	  replaceClassname(post, pt);
+	  Replaceall(post, "$dinput", arg);
+	  if (Len(post_code) > 0)
+	    Printf(post_code, "\n");
+	  Printv(post_code, post, NIL);
+	}
+	String *terminator = Getattr(p, "tmap:din:terminator");
+	if (terminator) {
+	  replaceClassname(terminator, pt);
+	  Replaceall(terminator, "$dinput", arg);
+	  if (Len(terminator_code) > 0)
+	    Insert(terminator_code, 0, "\n");
+	  Insert(terminator_code, 0, terminator);
+	}
+	parmtype = Getattr(p, "tmap:din:parmtype");
+	if (parmtype)
+	  Replaceall(parmtype, "$dinput", arg);
+	Printv(imcall, tm, NIL);
+      } else {
+	Swig_warning(WARN_D_TYPEMAP_DIN_UNDEF, input_file, line_number,
+	  "No din typemap defined for %s\n", SwigType_str(pt, 0));
+      }
+
+      /* Add parameter to proxy function */
+      if (gencomma) {
+	Printf(proxy_constructor_code, ", ");
+	Printf(helper_code, ", ");
+	Printf(helper_args, ", ");
+      }
+      Printf(proxy_constructor_code, "%s %s", param_type, arg);
+      Printf(helper_code, "%s %s", param_type, arg);
+      Printf(helper_args, "%s", parmtype ? parmtype : arg);
+      ++gencomma;
+
+      Delete(parmtype);
+      Delete(arg);
+      Delete(param_type);
+      p = Getattr(p, "tmap:in:next");
+    }
+
+    Printf(imcall, ")");
+
+    Printf(proxy_constructor_code, ")");
+    Printf(helper_code, ")");
+
+    // Insert the dconstructor typemap (replacing $directorconnect as needed).
+    Hash *attributes = NewHash();
+    String *typemap_lookup_type = Getattr(getCurrentClass(), "classtypeobj");
+    String *construct_tm = Copy(lookupCodeTypemap(n, "dconstructor",
+      typemap_lookup_type, WARN_D_TYPEMAP_DCONSTRUCTOR_UNDEF, attributes));
+    if (construct_tm) {
+      const bool use_director = (parentNode(n) && Swig_directorclass(n));
+      if (!use_director) {
+	Replaceall(construct_tm, "$directorconnect", "");
+      } else {
+	String *connect_attr = Getattr(attributes, "tmap:dconstructor:directorconnect");
+
+	if (connect_attr) {
+	  Replaceall(construct_tm, "$directorconnect", connect_attr);
+	} else {
+	  Swig_warning(WARN_D_NO_DIRECTORCONNECT_ATTR, input_file, line_number,
+	    "\"directorconnect\" attribute missing in %s \"dconstructor\" typemap.\n",
+	    Getattr(n, "name"));
+	  Replaceall(construct_tm, "$directorconnect", "");
+	}
+      }
+
+      Printv(proxy_constructor_code, " ", construct_tm, NIL);
+    }
+
+    replaceExcode(n, proxy_constructor_code, "dconstructor", attributes);
+
+    bool is_pre_code = Len(pre_code) > 0;
+    bool is_post_code = Len(post_code) > 0;
+    bool is_terminator_code = Len(terminator_code) > 0;
+    if (is_pre_code || is_post_code || is_terminator_code) {
+      Printf(helper_code, " {\n");
+      if (is_pre_code) {
+	Printv(helper_code, pre_code, "\n", NIL);
+      }
+      if (is_post_code) {
+	Printf(helper_code, "  try {\n");
+	Printv(helper_code, "    return ", imcall, ";\n", NIL);
+	Printv(helper_code, "  } finally {\n", post_code, "\n    }", NIL);
+      } else {
+	Printv(helper_code, "  return ", imcall, ";", NIL);
+      }
+      if (is_terminator_code) {
+	Printv(helper_code, "\n", terminator_code, NIL);
+      }
+      Printf(helper_code, "\n}\n");
+      String *helper_name = NewStringf("%s.SwigConstruct%s(%s)",
+	proxy_class_name, proxy_class_name, helper_args);
+      Replaceall(proxy_constructor_code, "$imcall", helper_name);
+      Delete(helper_name);
+    } else {
+      Replaceall(proxy_constructor_code, "$imcall", imcall);
+    }
+
+    Printv(proxy_class_body_code, proxy_constructor_code, "\n", NIL);
+
+    Delete(helper_args);
+    Delete(pre_code);
+    Delete(post_code);
+    Delete(terminator_code);
+    Delete(construct_tm);
+    Delete(attributes);
+    Delete(overloaded_name);
+    Delete(imcall);
+
+    return SWIG_OK;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::destructorHandler()
+   * --------------------------------------------------------------------------- */
+  virtual int destructorHandler(Node *n) {
+    Language::destructorHandler(n);
+    String *symname = Getattr(n, "sym:name");
+
+    Printv(destructor_call, im_dmodule_fq_name, ".", Swig_name_destroy(getNSpace(),symname), "(cast(void*)swigCPtr)", NIL);
+    const String *methodmods = Getattr(n, "feature:d:methodmodifiers");
+    if (methodmods)
+      Setattr(getCurrentClass(), "destructmethodmodifiers", methodmods);
+
+    return SWIG_OK;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::classHandler()
+   * --------------------------------------------------------------------------- */
+  virtual int classHandler(Node *n) {
+    String *nspace = getNSpace();
+    File *class_file = NULL;
+
+    proxy_class_name = Copy(Getattr(n, "sym:name"));
+    if (nspace) {
+      proxy_class_qname = NewStringf("%s.%s", nspace, proxy_class_name);
+    } else {
+      proxy_class_qname = Copy(proxy_class_name);
+    }
+
+    if (!addSymbol(proxy_class_name, n, nspace)) {
+      return SWIG_ERROR;
+    }
+
+    assertClassNameValidity(proxy_class_name);
+
+    if (split_proxy_dmodule) {
+      String *output_directory = outputDirectory(nspace);
+      String *filename = NewStringf("%s%s.d", output_directory, proxy_class_name);
+      class_file = NewFile(filename, "w", SWIG_output_files());
+      Delete(output_directory);
+      if (!class_file) {
+	FileErrorDisplay(filename);
+	Exit(EXIT_FAILURE);
+      }
+      Append(filenames_list, Copy(filename));
+      Delete(filename);
+
+      emitBanner(class_file);
+      if (nspace) {
+        Printf(class_file, "module %s%s.%s;\n", package, nspace, proxy_class_name);
+      } else {
+        Printf(class_file, "module %s%s;\n", package, proxy_class_name);
+      }
+      Printf(class_file, "\nstatic import %s;\n", im_dmodule_fq_name);
+    }
+
+    Clear(proxy_class_imports);
+    Clear(proxy_class_enums_code);
+    Clear(proxy_class_body_code);
+    Clear(proxy_class_epilogue_code);
+    Clear(proxy_class_code);
+    Clear(destructor_call);
+
+
+    // Traverse the tree for this class, using the *Handler()s to generate code
+    // to the proxy_class_* variables.
+    Language::classHandler(n);
+
+
+    writeProxyClassAndUpcasts(n);
+    writeDirectorConnectWrapper(n);
+
+    Replaceall(proxy_class_code, "$dclassname", proxy_class_name);
+
+    String *dclazzname = Swig_name_member(getNSpace(), proxy_class_name, "");
+    Replaceall(proxy_class_code, "$dclazzname", dclazzname);
+    Delete(dclazzname);
+
+    if (split_proxy_dmodule) {
+      Printv(class_file, global_proxy_imports, NIL);
+      Printv(class_file, proxy_class_imports, NIL);
+
+      replaceModuleVariables(proxy_class_code);
+      Printv(class_file, proxy_class_code, NIL);
+
+      Delete(class_file);
+    } else {
+      Printv(proxyImportsBuffer(getNSpace()), proxy_class_imports, NIL);
+      Printv(proxyCodeBuffer(getNSpace()), proxy_class_code, NIL);
+    }
+
+    Delete(proxy_class_qname);
+    proxy_class_qname = NULL;
+    Delete(proxy_class_name);
+    proxy_class_name = NULL;
+
+    return SWIG_OK;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::constantWrapper()
+   *
+   * Used for wrapping constants declared by #define or %constant and also for
+   * (primitive) static member constants initialised inline.
+   *
+   * If the %dmanifestconst feature is used, the C/C++ constant value is used to
+   * initialize a D »const«. If not, a »getter« method is generated which
+   * retrieves the value via a call to the C wrapper. However, if there is a
+   * %dconstvalue specified, it overrides all other settings.
+   * --------------------------------------------------------------------------- */
+  virtual int constantWrapper(Node *n) {
+    String *symname = Getattr(n, "sym:name");
+    if (!addSymbol(symname, n))
+      return SWIG_ERROR;
+
+    // The %dmanifestconst feature determines if a D manifest constant
+    // (const/enum) or a getter function is created.
+    if (GetFlag(n, "feature:d:manifestconst") != 1) {
+      // Default constant handling will work with any type of C constant. It
+      // generates a getter function (which is the same as a read only property
+      // in D) which retrieves the value via by calling the C wrapper.
+      // Note that this is only called for global constants, static member
+      // constants are already handled in staticmemberfunctionHandler().
+
+      Swig_save("constantWrapper", n, "value", NIL);
+      Swig_save("constantWrapper", n, "tmap:ctype:out", "tmap:imtype:out", "tmap:dtype:out", "tmap:out:null", "tmap:imtype:outattributes", "tmap:dtype:outattributes", NIL);
+
+      // Add the stripped quotes back in.
+      String *old_value = Getattr(n, "value");
+      SwigType *t = Getattr(n, "type");
+      if (SwigType_type(t) == T_STRING) {
+	Setattr(n, "value", NewStringf("\"%s\"", old_value));
+	Delete(old_value);
+      } else if (SwigType_type(t) == T_CHAR) {
+	Setattr(n, "value", NewStringf("\'%s\'", old_value));
+	Delete(old_value);
+      }
+
+      SetFlag(n, "feature:immutable");
+      int result = globalvariableHandler(n);
+
+      Swig_restore(n);
+      return result;
+    }
+
+    String *constants_code = NewString("");
+    SwigType *t = Getattr(n, "type");
+    SwigType *valuetype = Getattr(n, "valuetype");
+    ParmList *l = Getattr(n, "parms");
+
+    // Attach the non-standard typemaps to the parameter list.
+    Swig_typemap_attach_parms("dtype", l, NULL);
+
+    // Get D return type.
+    String *return_type = NewString("");
+    String *tm;
+    if ((tm = lookupDTypemap(n, "dtype"))) {
+      String *dtypeout = Getattr(n, "tmap:dtype:out");
+      if (dtypeout) {
+	// The type in the out attribute of the typemap overrides the type
+	// in the dtype typemap.
+	tm = dtypeout;
+	replaceClassname(tm, t);
+      }
+      Printf(return_type, "%s", tm);
+    } else {
+      Swig_warning(WARN_D_TYPEMAP_DTYPE_UNDEF, input_file, line_number,
+	"No dtype typemap defined for %s\n", SwigType_str(t, 0));
+    }
+
+    const String *itemname = wrapping_member_flag ? variable_name : symname;
+
+    String *attributes = Getattr(n, "feature:d:methodmodifiers");
+    if (attributes) {
+      attributes = Copy(attributes);
+    } else {
+      attributes = Copy(is_public(n) ? public_string : protected_string);
+    }
+
+    if (d_version == 1) {
+      if (static_flag) {
+	Printv(attributes, " static", NIL);
+      }
+      Printf(constants_code, "\n%s const %s %s = ", attributes, return_type, itemname);
+    } else {
+      Printf(constants_code, "\n%s enum %s %s = ", attributes, return_type, itemname);
+    }
+    Delete(attributes);
+
+    // Retrieve the override value set via %dconstvalue, if any.
+    String *override_value = Getattr(n, "feature:d:constvalue");
+    if (override_value) {
+      Printf(constants_code, "%s;\n", override_value);
+    } else {
+      // Just take the value from the C definition and hope it compiles in D.
+      if (Getattr(n, "wrappedasconstant")) {
+	if (SwigType_type(valuetype) == T_CHAR)
+          Printf(constants_code, "\'%(escape)s\';\n", Getattr(n, "staticmembervariableHandler:value"));
+	else
+          Printf(constants_code, "%s;\n", Getattr(n, "staticmembervariableHandler:value"));
+      } else {
+	// Add the stripped quotes back in.
+	String* value = Getattr(n, "value");
+	if (SwigType_type(t) == T_STRING) {
+	  Printf(constants_code, "\"%s\";\n", value);
+	} else if (SwigType_type(t) == T_CHAR) {
+	  Printf(constants_code, "\'%s\';\n", value);
+	} else {
+	  Printf(constants_code, "%s;\n", value);
+	}
+      }
+    }
+
+    // Emit the generated code to appropriate place.
+    if (wrapping_member_flag) {
+      Printv(proxy_class_body_code, constants_code, NIL);
+    } else {
+      Printv(proxyCodeBuffer(getNSpace()), constants_code, NIL);
+    }
+
+    // Cleanup.
+    Delete(return_type);
+    Delete(constants_code);
+
+    return SWIG_OK;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::functionWrapper()
+   *
+   * Generates the C wrapper code for a function and the corresponding
+   * declaration in the wrap D module.
+   * --------------------------------------------------------------------------- */
+  virtual int functionWrapper(Node *n) {
+    String *symname = Getattr(n, "sym:name");
+    SwigType *t = Getattr(n, "type");
+    ParmList *l = Getattr(n, "parms");
+    String *tm;
+    Parm *p;
+    int i;
+    String *c_return_type = NewString("");
+    String *im_return_type = NewString("");
+    String *cleanup = NewString("");
+    String *outarg = NewString("");
+    String *body = NewString("");
+    int num_arguments = 0;
+    bool is_void_return;
+    String *overloaded_name = getOverloadedName(n);
+
+    if (!Getattr(n, "sym:overloaded")) {
+      if (!addSymbol(Getattr(n, "sym:name"), n))
+	return SWIG_ERROR;
+    }
+
+    // A new wrapper function object
+    Wrapper *f = NewWrapper();
+
+    // Make a wrapper name for this function
+    String *wname = Swig_name_wrapper(overloaded_name);
+
+    /* Attach the non-standard typemaps to the parameter list. */
+    Swig_typemap_attach_parms("ctype", l, f);
+    Swig_typemap_attach_parms("imtype", l, f);
+
+    /* Get return types */
+    if ((tm = lookupDTypemap(n, "ctype"))) {
+      String *ctypeout = Getattr(n, "tmap:ctype:out");
+      if (ctypeout) {
+	// The type in the ctype typemap's out attribute overrides the type in
+	// the typemap itself.
+	tm = ctypeout;
+      }
+      Printf(c_return_type, "%s", tm);
+    } else {
+      Swig_warning(WARN_D_TYPEMAP_CTYPE_UNDEF, input_file, line_number,
+	"No ctype typemap defined for %s\n", SwigType_str(t, 0));
+    }
+
+    if ((tm = lookupDTypemap(n, "imtype"))) {
+      String *imtypeout = Getattr(n, "tmap:imtype:out");
+      if (imtypeout) {
+	// The type in the imtype typemap's out attribute overrides the type in
+	// the typemap itself.
+	tm = imtypeout;
+      }
+      Printf(im_return_type, "%s", tm);
+    } else {
+      Swig_warning(WARN_D_TYPEMAP_IMTYPE_UNDEF, input_file, line_number, "No imtype typemap defined for %s\n", SwigType_str(t, 0));
+    }
+
+    is_void_return = (Cmp(c_return_type, "void") == 0);
+    if (!is_void_return)
+      Wrapper_add_localv(f, "jresult", c_return_type, "jresult", NIL);
+
+    Printv(f->def, " SWIGEXPORT ", c_return_type, " ", wname, "(", NIL);
+
+    // Emit all of the local variables for holding arguments.
+    emit_parameter_variables(l, f);
+
+    /* Attach the standard typemaps */
+    emit_attach_parmmaps(l, f);
+
+    // Parameter overloading
+    Setattr(n, "wrap:parms", l);
+    Setattr(n, "wrap:name", wname);
+
+    // Wrappers not wanted for some methods where the parameters cannot be overloaded in D
+    if (Getattr(n, "sym:overloaded")) {
+      // Emit warnings for the few cases that can't be overloaded in D and give up on generating wrapper
+      Swig_overload_check(n);
+      if (Getattr(n, "overload:ignore")) {
+	DelWrapper(f);
+	return SWIG_OK;
+      }
+    }
+
+    // Collect the parameter list for the intermediary D module declaration of
+    // the generated wrapper function.
+    String *im_dmodule_parameters = NewString("(");
+
+    /* Get number of required and total arguments */
+    num_arguments = emit_num_arguments(l);
+    int gencomma = 0;
+
+    // Now walk the function parameter list and generate code to get arguments
+    for (i = 0, p = l; i < num_arguments; i++) {
+
+      while (checkAttribute(p, "tmap:in:numinputs", "0")) {
+	p = Getattr(p, "tmap:in:next");
+      }
+
+      SwigType *pt = Getattr(p, "type");
+      String *ln = Getattr(p, "lname");
+      String *im_param_type = NewString("");
+      String *c_param_type = NewString("");
+      String *arg = NewString("");
+
+      Printf(arg, "j%s", ln);
+
+      /* Get the ctype types of the parameter */
+      if ((tm = lookupDTypemap(p, "ctype", true))) {
+	Printv(c_param_type, tm, NIL);
+      } else {
+	Swig_warning(WARN_D_TYPEMAP_CTYPE_UNDEF, input_file, line_number, "No ctype typemap defined for %s\n", SwigType_str(pt, 0));
+      }
+
+      /* Get the intermediary class parameter types of the parameter */
+      if ((tm = lookupDTypemap(p, "imtype", true))) {
+	const String *inattributes = Getattr(p, "tmap:imtype:inattributes");
+	Printf(im_param_type, "%s%s", inattributes ? inattributes : empty_string, tm);
+      } else {
+	Swig_warning(WARN_D_TYPEMAP_IMTYPE_UNDEF, input_file, line_number, "No imtype typemap defined for %s\n", SwigType_str(pt, 0));
+      }
+
+      /* Add parameter to intermediary class method */
+      if (gencomma)
+	Printf(im_dmodule_parameters, ", ");
+      Printf(im_dmodule_parameters, "%s %s", im_param_type, arg);
+
+      // Add parameter to C function
+      Printv(f->def, gencomma ? ", " : "", c_param_type, " ", arg, NIL);
+
+      gencomma = 1;
+
+      // Get typemap for this argument
+      if ((tm = Getattr(p, "tmap:in"))) {
+	canThrow(n, "in", p);
+	Replaceall(tm, "$input", arg);
+	Setattr(p, "emit:input", arg);
+	Printf(f->code, "%s\n", tm);
+	p = Getattr(p, "tmap:in:next");
+      } else {
+	Swig_warning(WARN_TYPEMAP_IN_UNDEF, input_file, line_number, "Unable to use type %s as a function argument.\n", SwigType_str(pt, 0));
+	p = nextSibling(p);
+      }
+      Delete(im_param_type);
+      Delete(c_param_type);
+      Delete(arg);
+    }
+
+    /* Insert constraint checking code */
+    for (p = l; p;) {
+      if ((tm = Getattr(p, "tmap:check"))) {
+	canThrow(n, "check", p);
+	Replaceall(tm, "$input", Getattr(p, "emit:input"));
+	Printv(f->code, tm, "\n", NIL);
+	p = Getattr(p, "tmap:check:next");
+      } else {
+	p = nextSibling(p);
+      }
+    }
+
+    /* Insert cleanup code */
+    for (p = l; p;) {
+      if ((tm = Getattr(p, "tmap:freearg"))) {
+	canThrow(n, "freearg", p);
+	Replaceall(tm, "$input", Getattr(p, "emit:input"));
+	Printv(cleanup, tm, "\n", NIL);
+	p = Getattr(p, "tmap:freearg:next");
+      } else {
+	p = nextSibling(p);
+      }
+    }
+
+    /* Insert argument output code */
+    for (p = l; p;) {
+      if ((tm = Getattr(p, "tmap:argout"))) {
+	canThrow(n, "argout", p);
+	Replaceall(tm, "$result", "jresult");
+	Replaceall(tm, "$input", Getattr(p, "emit:input"));
+	Printv(outarg, tm, "\n", NIL);
+	p = Getattr(p, "tmap:argout:next");
+      } else {
+	p = nextSibling(p);
+      }
+    }
+
+    // Look for usage of throws typemap and the canthrow flag
+    ParmList *throw_parm_list = NULL;
+    if ((throw_parm_list = Getattr(n, "catchlist"))) {
+      Swig_typemap_attach_parms("throws", throw_parm_list, f);
+      for (p = throw_parm_list; p; p = nextSibling(p)) {
+	if (Getattr(p, "tmap:throws")) {
+	  canThrow(n, "throws", p);
+	}
+      }
+    }
+
+    String *null_attribute = 0;
+    // Now write code to make the function call
+    if (!native_function_flag) {
+
+      Swig_director_emit_dynamic_cast(n, f);
+      String *actioncode = emit_action(n);
+
+      /* Return value if necessary  */
+      if ((tm = Swig_typemap_lookup_out("out", n, Swig_cresult_name(), f, actioncode))) {
+	canThrow(n, "out", n);
+	Replaceall(tm, "$result", "jresult");
+
+	if (GetFlag(n, "feature:new"))
+	  Replaceall(tm, "$owner", "1");
+	else
+	  Replaceall(tm, "$owner", "0");
+
+	Printf(f->code, "%s", tm);
+	null_attribute = Getattr(n, "tmap:out:null");
+	if (Len(tm))
+	  Printf(f->code, "\n");
+      } else {
+	Swig_warning(WARN_TYPEMAP_OUT_UNDEF, input_file, line_number, "Unable to use return type %s in function %s.\n", SwigType_str(t, 0), Getattr(n, "name"));
+      }
+      emit_return_variable(n, t, f);
+    }
+
+    /* Output argument output code */
+    Printv(f->code, outarg, NIL);
+
+    /* Output cleanup code */
+    Printv(f->code, cleanup, NIL);
+
+    /* Look to see if there is any newfree cleanup code */
+    if (GetFlag(n, "feature:new")) {
+      if ((tm = Swig_typemap_lookup("newfree", n, Swig_cresult_name(), 0))) {
+	canThrow(n, "newfree", n);
+	Printf(f->code, "%s\n", tm);
+      }
+    }
+
+    /* See if there is any return cleanup code */
+    if (!native_function_flag) {
+      if ((tm = Swig_typemap_lookup("ret", n, Swig_cresult_name(), 0))) {
+	canThrow(n, "ret", n);
+	Printf(f->code, "%s\n", tm);
+      }
+    }
+
+    // Complete D im parameter list and emit the declaration/binding code.
+    Printv(im_dmodule_parameters, ")", NIL);
+    writeImDModuleFunction(overloaded_name, im_return_type,
+      im_dmodule_parameters, wname);
+    Delete(im_dmodule_parameters);
+
+    // Finish C function header.
+    Printf(f->def, ") {");
+
+    if (!is_void_return)
+      Printv(f->code, "    return jresult;\n", NIL);
+    Printf(f->code, "}\n");
+
+    /* Substitute the cleanup code */
+    Replaceall(f->code, "$cleanup", cleanup);
+
+    /* Substitute the function name */
+    Replaceall(f->code, "$symname", symname);
+
+    /* Contract macro modification */
+    if (Replaceall(f->code, "SWIG_contract_assert(", "SWIG_contract_assert($null, ") > 0) {
+      Setattr(n, "d:canthrow", "1");
+    }
+
+    if (!null_attribute)
+      Replaceall(f->code, "$null", "0");
+    else
+      Replaceall(f->code, "$null", null_attribute);
+
+    /* Dump the function out */
+    if (!native_function_flag) {
+      Wrapper_print(f, f_wrappers);
+
+      // Handle %exception which sets the canthrow attribute.
+      if (Getattr(n, "feature:except:canthrow")) {
+	Setattr(n, "d:canthrow", "1");
+      }
+
+      // A very simple check (it is not foolproof) to assist typemap writers
+      // with setting the correct features when the want to throw D exceptions
+      // from C++ code. It checks for the common methods which set
+      // a pending D exception and issues a warning if one of them has been found
+      // in the typemap, but the »canthrow« attribute/feature is not set.
+      if (!Getattr(n, "d:canthrow")) {
+	if (Strstr(f->code, "SWIG_exception")) {
+	  Swig_warning(WARN_D_CANTHROW_MISSING, input_file, line_number,
+	  "C code contains a call to SWIG_exception and D code does not handle pending exceptions via the canthrow attribute.\n");
+	} else if (Strstr(f->code, "SWIG_DSetPendingException")) {
+	  Swig_warning(WARN_D_CANTHROW_MISSING, input_file, line_number,
+	  "C code contains a call to a SWIG_DSetPendingException method and D code does not handle pending exceptions via the canthrow attribute.\n");
+	}
+      }
+    }
+
+    // If we are not processing an enum or constant, and we were not generating
+    // a wrapper function which will be accessed via a proxy class, write a
+    // function to the proxy D module.
+    if (!is_wrapping_class()) {
+      writeProxyDModuleFunction(n);
+    }
+
+    // If we are processing a public member variable, write the property-style
+    // member function to the proxy class.
+    if (wrapping_member_flag) {
+      Setattr(n, "proxyfuncname", variable_name);
+      Setattr(n, "imfuncname", symname);
+
+      writeProxyClassFunction(n);
+    }
+
+    Delete(c_return_type);
+    Delete(im_return_type);
+    Delete(cleanup);
+    Delete(outarg);
+    Delete(body);
+    Delete(overloaded_name);
+    DelWrapper(f);
+    return SWIG_OK;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::nativeWrapper()
+   * --------------------------------------------------------------------------- */
+  virtual int nativeWrapper(Node *n) {
+    String *wrapname = Getattr(n, "wrap:name");
+
+    if (!addSymbol(wrapname, n))
+      return SWIG_ERROR;
+
+    if (Getattr(n, "type")) {
+      Swig_save("nativeWrapper", n, "name", NIL);
+      Setattr(n, "name", wrapname);
+      native_function_flag = true;
+      functionWrapper(n);
+      Swig_restore(n);
+      native_function_flag = false;
+    } else {
+      Swig_error(input_file, line_number, "No return type for %%native method %s.\n", Getattr(n, "wrap:name"));
+    }
+
+    return SWIG_OK;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::classDirector()
+   * --------------------------------------------------------------------------- */
+  virtual int classDirector(Node *n) {
+    String *nspace = Getattr(n, "sym:nspace");
+    proxy_class_name = NewString(Getattr(n, "sym:name"));
+    if (nspace) {
+      proxy_class_qname = NewStringf("%s.%s", nspace, proxy_class_name);
+    } else {
+      proxy_class_qname = Copy(proxy_class_name);
+    }
+
+    int success = Language::classDirector(n);
+
+    Delete(proxy_class_qname);
+    proxy_class_qname = NULL;
+    Delete(proxy_class_name);
+    proxy_class_name = NULL;
+
+    return success;
+  }
+
+
+  /* ---------------------------------------------------------------------------
+   * D::classDirectorInit()
+   * --------------------------------------------------------------------------- */
+  virtual int classDirectorInit(Node *n) {
+    Delete(director_ctor_code);
+    director_ctor_code = NewString("$director_new");
+
+    // Write C++ director class declaration, for example:
+    // class SwigDirector_myclass : public myclass, public Swig::Director {
+    String *classname = Swig_class_name(n);
+    String *directorname = directorClassName(n);
+    String *declaration = Swig_class_declaration(n, directorname);
+    const String *base = Getattr(n, "classtype");
+
+    Printf(f_directors_h,
+      "%s : public %s, public Swig::Director {\n", declaration, base);
+    Printf(f_directors_h, "\npublic:\n");
+
+    Delete(declaration);
+    Delete(directorname);
+    Delete(classname);
+
+    // Stash for later.
+    Setattr(n, "director:ctor", NewString("Swig::Director()"));
+
+    // Keep track of the director methods for this class.
+    first_class_dmethod = curr_class_dmethod = n_dmethods;
+
+    director_callback_typedefs = NewString("");
+    director_callback_pointers = NewString("");
+    director_dcallbacks_code = NewString("");
+
+    return Language::classDirectorInit(n);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::classDirectorMethod()
+   *
+   * Emit a virtual director method to pass a method call on to the
+   * underlying D object.
+   * --------------------------------------------------------------------------- */
+  virtual int classDirectorMethod(Node *n, Node *parent, String *super) {
+    String *classname = Getattr(parent, "sym:name");
+    String *c_classname = Getattr(parent, "name");
+    String *name = Getattr(n, "name");
+    String *symname = Getattr(n, "sym:name");
+    SwigType *returntype = Getattr(n, "type");
+    String *overloaded_name = getOverloadedName(n);
+    String *storage = Getattr(n, "storage");
+    String *value = Getattr(n, "value");
+    String *decl = Getattr(n, "decl");
+    String *declaration = NewString("");
+    String *tm;
+    Parm *p;
+    int i;
+    Wrapper *w = NewWrapper();
+    ParmList *l = Getattr(n, "parms");
+    bool is_void = !(Cmp(returntype, "void"));
+    String *qualified_return = 0;
+    bool pure_virtual = (!(Cmp(storage, "virtual")) && !(Cmp(value, "0")));
+    int status = SWIG_OK;
+    bool output_director = true;
+    String *dirclassname = directorClassName(parent);
+    String *qualified_name = NewStringf("%s::%s", dirclassname, name);
+    SwigType *c_ret_type = NULL;
+    String *dcallback_call_args = NewString("");
+    String *imclass_dmethod;
+    String *callback_typedef_parms = NewString("");
+    String *delegate_parms = NewString("");
+    String *proxy_method_param_list = NewString("");
+    String *proxy_callback_return_type = NewString("");
+    String *callback_def = NewString("");
+    String *callback_code = NewString("");
+    String *imcall_args = NewString("");
+    bool ignored_method = GetFlag(n, "feature:ignore") ? true : false;
+
+    // Kludge Alert: functionWrapper sets sym:overload properly, but it
+    // isn't at this point, so we have to manufacture it ourselves. At least
+    // we're consistent with the sym:overload name in functionWrapper. (?? when
+    // does the overloaded method name get set?)
+
+    imclass_dmethod = NewStringf("SwigDirector_%s", Swig_name_member(getNSpace(), classname, overloaded_name));
+
+    qualified_return = SwigType_rcaststr(returntype, "c_result");
+
+    if (!is_void && (!ignored_method || pure_virtual)) {
+      if (!SwigType_isclass(returntype)) {
+	if (!(SwigType_ispointer(returntype) || SwigType_isreference(returntype))) {
+	  String *construct_result = NewStringf("= SwigValueInit< %s >()", SwigType_lstr(returntype, 0));
+	  Wrapper_add_localv(w, "c_result", SwigType_lstr(returntype, "c_result"), construct_result, NIL);
+	  Delete(construct_result);
+	} else {
+	  String *base_typename = SwigType_base(returntype);
+	  String *resolved_typename = SwigType_typedef_resolve_all(base_typename);
+	  Symtab *symtab = Getattr(n, "sym:symtab");
+	  Node *typenode = Swig_symbol_clookup(resolved_typename, symtab);
+
+	  if (SwigType_ispointer(returntype) || (typenode && Getattr(typenode, "abstracts"))) {
+	    /* initialize pointers to something sane. Same for abstract
+	       classes when a reference is returned. */
+	    Wrapper_add_localv(w, "c_result", SwigType_lstr(returntype, "c_result"), "= 0", NIL);
+	  } else {
+	    /* If returning a reference, initialize the pointer to a sane
+	       default - if a D exception occurs, then the pointer returns
+	       something other than a NULL-initialized reference. */
+	    SwigType *noref_type = SwigType_del_reference(Copy(returntype));
+	    String *noref_ltype = SwigType_lstr(noref_type, 0);
+	    String *return_ltype = SwigType_lstr(returntype, 0);
+
+	    Wrapper_add_localv(w, "result_default", "static", noref_ltype, "result_default", NIL);
+	    Wrapper_add_localv(w, "c_result", return_ltype, "c_result", NIL);
+	    Printf(w->code, "result_default = SwigValueInit< %s >();\n", noref_ltype);
+	    Printf(w->code, "c_result = &result_default;\n");
+	    Delete(return_ltype);
+	    Delete(noref_ltype);
+	    Delete(noref_type);
+	  }
+
+	  Delete(base_typename);
+	  Delete(resolved_typename);
+	}
+      } else {
+	SwigType *vt;
+
+	vt = cplus_value_type(returntype);
+	if (!vt) {
+	  Wrapper_add_localv(w, "c_result", SwigType_lstr(returntype, "c_result"), NIL);
+	} else {
+	  Wrapper_add_localv(w, "c_result", SwigType_lstr(vt, "c_result"), NIL);
+	  Delete(vt);
+	}
+      }
+    }
+
+    /* Create the intermediate class wrapper */
+    tm = lookupDTypemap(n, "imtype");
+    if (tm) {
+      String *imtypeout = Getattr(n, "tmap:imtype:out");
+      if (imtypeout) {
+	// The type in the imtype typemap's out attribute overrides the type
+	// in the typemap.
+	tm = imtypeout;
+      }
+      Printf(callback_def, "\nprivate extern(C) %s swigDirectorCallback_%s_%s(void* dObject", tm, classname, overloaded_name);
+      Printv(proxy_callback_return_type, tm, NIL);
+    } else {
+      Swig_warning(WARN_D_TYPEMAP_IMTYPE_UNDEF, input_file, line_number,
+	"No imtype typemap defined for %s\n", SwigType_str(returntype, 0));
+    }
+
+    if ((c_ret_type = Swig_typemap_lookup("ctype", n, "", 0))) {
+      if (!is_void && !ignored_method) {
+	String *jretval_decl = NewStringf("%s jresult", c_ret_type);
+	Wrapper_add_localv(w, "jresult", jretval_decl, "= 0", NIL);
+	Delete(jretval_decl);
+      }
+    } else {
+      Swig_warning(WARN_D_TYPEMAP_CTYPE_UNDEF, input_file, line_number,
+	"No ctype typemap defined for %s for use in %s::%s (skipping director method)\n",
+	SwigType_str(returntype, 0), SwigType_namestr(c_classname), SwigType_namestr(name));
+      output_director = false;
+    }
+
+    Swig_director_parms_fixup(l);
+
+    // Attach the standard typemaps.
+    Swig_typemap_attach_parms("out", l, 0);
+    Swig_typemap_attach_parms("ctype", l, 0);
+    Swig_typemap_attach_parms("imtype", l, 0);
+    Swig_typemap_attach_parms("dtype", l, 0);
+    Swig_typemap_attach_parms("directorin", l, w);
+    Swig_typemap_attach_parms("ddirectorin", l, 0);
+    Swig_typemap_attach_parms("directorargout", l, w);
+
+    // Preamble code.
+    if (!ignored_method)
+      Printf(w->code, "if (!swig_callback_%s) {\n", overloaded_name);
+
+    if (!pure_virtual) {
+      String *super_call = Swig_method_call(super, l);
+      if (is_void) {
+	Printf(w->code, "%s;\n", super_call);
+	if (!ignored_method)
+	  Printf(w->code, "return;\n");
+      } else {
+	Printf(w->code, "return %s;\n", super_call);
+      }
+      Delete(super_call);
+    } else {
+      Printf(w->code, "Swig::DirectorPureVirtualException::raise(\"%s::%s\");\n", SwigType_namestr(c_classname), SwigType_namestr(name));
+      if (!is_void)
+	Printf(w->code, "return %s;", qualified_return);
+      else if (!ignored_method)
+	Printf(w->code, "return;\n");
+    }
+
+    if (!ignored_method)
+      Printf(w->code, "} else {\n");
+
+    // Go through argument list.
+    for (i = 0, p = l; p; ++i) {
+      /* Is this superfluous? */
+      while (checkAttribute(p, "tmap:directorin:numinputs", "0")) {
+	p = Getattr(p, "tmap:directorin:next");
+      }
+
+      SwigType *pt = Getattr(p, "type");
+      String *ln = makeParameterName(n, p, i, false);
+      String *c_param_type = NULL;
+      String *c_decl = NewString("");
+      String *arg = NewString("");
+
+      Printf(arg, "j%s", ln);
+
+      // Add each parameter to the D callback invocation arguments.
+      Printf(dcallback_call_args, ", %s", arg);
+
+      /* Get parameter's intermediary C type */
+      if ((c_param_type = lookupDTypemap(p, "ctype", true))) {
+	String *ctypeout = Getattr(p, "tmap:ctype:out");
+	if (ctypeout) {
+	  // The type in the ctype typemap's out attribute overrides the type
+	  // in the typemap itself.
+	  c_param_type = ctypeout;
+	}
+
+	/* Add to local variables */
+	Printf(c_decl, "%s %s", c_param_type, arg);
+	if (!ignored_method)
+	  Wrapper_add_localv(w, arg, c_decl, (!(SwigType_ispointer(pt) || SwigType_isreference(pt)) ? "" : "= 0"), NIL);
+
+	/* Add input marshalling code */
+	if ((tm = Getattr(p, "tmap:directorin"))) {
+
+	  Setattr(p, "emit:directorinput", arg);
+	  Replaceall(tm, "$input", arg);
+	  Replaceall(tm, "$owner", "0");
+
+	  if (Len(tm))
+	    if (!ignored_method)
+	      Printf(w->code, "%s\n", tm);
+
+	  // Add parameter type to the C typedef for the D callback function.
+	  Printf(callback_typedef_parms, ", %s", c_param_type);
+
+	  /* Add parameter to the intermediate class code if generating the
+	   * intermediate's upcall code */
+	  if ((tm = lookupDTypemap(p, "imtype", true))) {
+	    String *imtypeout = Getattr(p, "tmap:imtype:out");
+	    if (imtypeout) {
+	      // The type in the imtype typemap's out attribute overrides the
+	      // type in the typemap itself.
+	      tm = imtypeout;
+	    }
+	    const String *im_directorinattributes = Getattr(p, "tmap:imtype:directorinattributes");
+
+	    // TODO: Is this copy really needed?
+	    String *din = Copy(lookupDTypemap(p, "ddirectorin", true));
+
+	    if (din) {
+	      Replaceall(din, "$winput", ln);
+
+	      Printf(delegate_parms, ", ");
+	      if (i > 0) {
+		Printf(proxy_method_param_list, ", ");
+		Printf(imcall_args, ", ");
+	      }
+	      Printf(delegate_parms, "%s%s %s", im_directorinattributes ? im_directorinattributes : empty_string, tm, ln);
+
+	      if (Cmp(din, ln)) {
+		Printv(imcall_args, din, NIL);
+	      } else {
+		Printv(imcall_args, ln, NIL);
+	      }
+
+	      Delete(din);
+
+	      // Get the parameter type in the proxy D class (used later when
+	      // generating the overload checking code for the directorConnect
+	      // function).
+	      if ((tm = lookupDTypemap(p, "dtype", true))) {
+		Printf(proxy_method_param_list, "%s", tm);
+	      } else {
+		Swig_warning(WARN_D_TYPEMAP_DTYPE_UNDEF, input_file, line_number,
+	          "No dtype typemap defined for %s\n", SwigType_str(pt, 0));
+	      }
+	    } else {
+	      Swig_warning(WARN_D_TYPEMAP_DDIRECTORIN_UNDEF, input_file, line_number,
+	        "No ddirectorin typemap defined for %s for use in %s::%s (skipping director method)\n",
+		SwigType_str(pt, 0), SwigType_namestr(c_classname), SwigType_namestr(name));
+	      output_director = false;
+	    }
+	  } else {
+	    Swig_warning(WARN_D_TYPEMAP_IMTYPE_UNDEF, input_file, line_number,
+	      "No imtype typemap defined for %s for use in %s::%s (skipping director method)\n",
+	      SwigType_str(pt, 0), SwigType_namestr(c_classname), SwigType_namestr(name));
+	    output_director = false;
+	  }
+
+	  p = Getattr(p, "tmap:directorin:next");
+	} else {
+	  Swig_warning(WARN_D_TYPEMAP_DDIRECTORIN_UNDEF, input_file, line_number,
+	    "No or improper directorin typemap defined for argument %s for use in %s::%s (skipping director method)\n",
+	    SwigType_str(pt, 0), SwigType_namestr(c_classname), SwigType_namestr(name));
+	  p = nextSibling(p);
+	  output_director = false;
+	}
+      } else {
+	Swig_warning(WARN_D_TYPEMAP_CTYPE_UNDEF, input_file, line_number,
+	  "No ctype typemap defined for %s for use in %s::%s (skipping director method)\n",
+	  SwigType_str(pt, 0), SwigType_namestr(c_classname), SwigType_namestr(name));
+	output_director = false;
+	p = nextSibling(p);
+      }
+
+      Delete(arg);
+      Delete(c_decl);
+      Delete(c_param_type);
+      Delete(ln);
+    }
+
+    /* header declaration, start wrapper definition */
+    String *target;
+    SwigType *rtype = Getattr(n, "conversion_operator") ? 0 : Getattr(n, "classDirectorMethods:type");
+    target = Swig_method_decl(rtype, decl, qualified_name, l, 0);
+    Printf(w->def, "%s", target);
+    Delete(qualified_name);
+    Delete(target);
+    target = Swig_method_decl(rtype, decl, name, l, 1);
+    Printf(declaration, "    virtual %s", target);
+    Delete(target);
+
+    // Add any exception specifications to the methods in the director class
+    if (Getattr(n, "noexcept")) {
+      Append(w->def, " noexcept");
+      Append(declaration, " noexcept");
+    }
+    ParmList *throw_parm_list = NULL;
+    if ((throw_parm_list = Getattr(n, "throws")) || Getattr(n, "throw")) {
+      int gencomma = 0;
+
+      Append(w->def, " throw(");
+      Append(declaration, " throw(");
+
+      if (throw_parm_list)
+	Swig_typemap_attach_parms("throws", throw_parm_list, 0);
+      for (p = throw_parm_list; p; p = nextSibling(p)) {
+	if (Getattr(p, "tmap:throws")) {
+	  if (gencomma++) {
+	    Append(w->def, ", ");
+	    Append(declaration, ", ");
+	  }
+	  Printf(w->def, "%s", SwigType_str(Getattr(p, "type"), 0));
+	  Printf(declaration, "%s", SwigType_str(Getattr(p, "type"), 0));
+	}
+      }
+
+      Append(w->def, ")");
+      Append(declaration, ")");
+    }
+
+    Append(w->def, " {");
+    Append(declaration, ";\n");
+
+    // Finish the callback function declaraction.
+    Printf(callback_def, "%s)", delegate_parms);
+    Printf(callback_def, " {\n");
+
+    /* Emit the intermediate class's upcall to the actual class */
+
+    String *upcall = NewStringf("(cast(%s)dObject).%s(%s)", classname, symname, imcall_args);
+
+    if (!is_void) {
+      if ((tm = lookupDTypemap(n, "ddirectorout"))) {
+	Replaceall(tm, "$dcall", upcall);
+	Printf(callback_code, "  return %s;\n", tm);
+      }
+    } else {
+      Printf(callback_code, "  %s;\n", upcall);
+    }
+
+    Printf(callback_code, "}\n");
+    Delete(upcall);
+
+    if (!ignored_method) {
+      if (!is_void)
+	Printf(w->code, "jresult = (%s) ", c_ret_type);
+
+      Printf(w->code, "swig_callback_%s(d_object%s);\n", overloaded_name, dcallback_call_args);
+
+      if (!is_void) {
+	String *jresult_str = NewString("jresult");
+	String *result_str = NewString("c_result");
+
+	/* Copy jresult into c_result... */
+	if ((tm = Swig_typemap_lookup("directorout", n, result_str, w))) {
+	  Replaceall(tm, "$input", jresult_str);
+	  Replaceall(tm, "$result", result_str);
+	  Printf(w->code, "%s\n", tm);
+	} else {
+	  Swig_warning(WARN_TYPEMAP_DIRECTOROUT_UNDEF, input_file, line_number,
+		       "Unable to use return type %s used in %s::%s (skipping director method)\n",
+		       SwigType_str(returntype, 0), SwigType_namestr(c_classname), SwigType_namestr(name));
+	  output_director = false;
+	}
+
+	Delete(jresult_str);
+	Delete(result_str);
+      }
+
+      /* Marshal outputs */
+      for (p = l; p;) {
+	if ((tm = Getattr(p, "tmap:directorargout"))) {
+	  canThrow(n, "directorargout", p);
+	  Replaceall(tm, "$result", "jresult");
+	  Replaceall(tm, "$input", Getattr(p, "emit:directorinput"));
+	  Printv(w->code, tm, "\n", NIL);
+	  p = Getattr(p, "tmap:directorargout:next");
+	} else {
+	  p = nextSibling(p);
+	}
+      }
+
+      /* Terminate wrapper code */
+      Printf(w->code, "}\n");
+      if (!is_void)
+	Printf(w->code, "return %s;", qualified_return);
+    }
+
+    Printf(w->code, "}");
+
+    // We expose virtual protected methods via an extra public inline method which makes a straight call to the wrapped class' method
+    String *inline_extra_method = NewString("");
+    if (dirprot_mode() && !is_public(n) && !pure_virtual) {
+      Printv(inline_extra_method, declaration, NIL);
+      String *extra_method_name = NewStringf("%sSwigPublic", name);
+      Replaceall(inline_extra_method, name, extra_method_name);
+      Replaceall(inline_extra_method, ";\n", " {\n      ");
+      if (!is_void)
+	Printf(inline_extra_method, "return ");
+      String *methodcall = Swig_method_call(super, l);
+      Printv(inline_extra_method, methodcall, ";\n    }\n", NIL);
+      Delete(methodcall);
+      Delete(extra_method_name);
+    }
+
+    /* emit the director method */
+    if (status == SWIG_OK && output_director) {
+      if (!is_void) {
+	Replaceall(w->code, "$null", qualified_return);
+      } else {
+	Replaceall(w->code, "$null", "");
+      }
+      if (!ignored_method)
+	Printv(director_dcallbacks_code, callback_def, callback_code, NIL);
+      if (!Getattr(n, "defaultargs")) {
+	Replaceall(w->code, "$symname", symname);
+	Wrapper_print(w, f_directors);
+	Printv(f_directors_h, declaration, NIL);
+	Printv(f_directors_h, inline_extra_method, NIL);
+      }
+    }
+
+    if (!ignored_method) {
+      // Register the upcall method so that the callback registering code can
+      // be written later.
+
+      // We cannot directly use n here because its »type« attribute does not
+      // the full return type any longer after Language::functionHandler has
+      // returned.
+      String *dp_return_type = lookupDTypemap(n, "dtype");
+      if (dp_return_type) {
+	String *dtypeout = Getattr(n, "tmap:dtype:out");
+	if (dtypeout) {
+	  // The type in the dtype typemap's out attribute overrides the type
+	  // in the typemap itself.
+	  dp_return_type = dtypeout;
+  	replaceClassname(dp_return_type, returntype);
+	}
+      } else {
+	Swig_warning(WARN_D_TYPEMAP_DTYPE_UNDEF, input_file, line_number,
+	  "No dtype typemap defined for %s\n", SwigType_str(returntype, 0));
+	dp_return_type = NewString("");
+      }
+
+      UpcallData *udata = addUpcallMethod(imclass_dmethod, symname, decl, overloaded_name, dp_return_type, proxy_method_param_list);
+      Delete(dp_return_type);
+
+      // Write the global callback function pointer on the C code.
+      String *methid = Getattr(udata, "class_methodidx");
+
+      Printf(director_callback_typedefs, "    typedef %s (* SWIG_Callback%s_t)", c_ret_type, methid);
+      Printf(director_callback_typedefs, "(void *dobj%s);\n", callback_typedef_parms);
+      Printf(director_callback_pointers, "    SWIG_Callback%s_t swig_callback_%s;\n", methid, overloaded_name);
+
+      // Write the type alias for the callback to the intermediary D module.
+      String *proxy_callback_type = NewString("");
+      String *dirClassName = directorClassName(parent);
+      Printf(proxy_callback_type, "%s_Callback%s", dirClassName, methid);
+      Printf(im_dmodule_code, "alias extern(C) %s function(void*%s) %s;\n", proxy_callback_return_type, delegate_parms, proxy_callback_type);
+      Delete(proxy_callback_type);
+      Delete(dirClassName);
+    }
+
+    Delete(qualified_return);
+    Delete(c_ret_type);
+    Delete(declaration);
+    Delete(callback_typedef_parms);
+    Delete(delegate_parms);
+    Delete(proxy_method_param_list);
+    Delete(callback_def);
+    Delete(callback_code);
+    DelWrapper(w);
+
+    return status;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::classDirectorConstructor()
+   * --------------------------------------------------------------------------- */
+  virtual int classDirectorConstructor(Node *n) {
+    Node *parent = parentNode(n);
+    String *decl = Getattr(n, "decl");;
+    String *supername = Swig_class_name(parent);
+    String *dirclassname = directorClassName(parent);
+    String *sub = NewString("");
+    Parm *p;
+    ParmList *superparms = Getattr(n, "parms");
+    ParmList *parms;
+    int argidx = 0;
+
+    /* Assign arguments to superclass's parameters, if not already done */
+    for (p = superparms; p; p = nextSibling(p)) {
+      String *pname = Getattr(p, "name");
+
+      if (!pname) {
+	pname = NewStringf("arg%d", argidx++);
+	Setattr(p, "name", pname);
+      }
+    }
+
+    // TODO: Is this copy needed?
+    parms = CopyParmList(superparms);
+
+    if (!Getattr(n, "defaultargs")) {
+      /* constructor */
+      {
+	String *basetype = Getattr(parent, "classtype");
+	String *target = Swig_method_decl(0, decl, dirclassname, parms, 0);
+	String *call = Swig_csuperclass_call(0, basetype, superparms);
+	String *classtype = SwigType_namestr(Getattr(n, "name"));
+
+	Printf(f_directors, "%s::%s : %s, %s {\n", dirclassname, target, call, Getattr(parent, "director:ctor"));
+	Printf(f_directors, "  swig_init_callbacks();\n");
+	Printf(f_directors, "}\n\n");
+
+	Delete(classtype);
+	Delete(target);
+	Delete(call);
+      }
+
+      /* constructor header */
+      {
+	String *target = Swig_method_decl(0, decl, dirclassname, parms, 1);
+	Printf(f_directors_h, "    %s;\n", target);
+	Delete(target);
+      }
+    }
+
+    Delete(sub);
+    Delete(supername);
+    Delete(parms);
+    Delete(dirclassname);
+    return Language::classDirectorConstructor(n);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::classDirectorDefaultConstructor()
+   * --------------------------------------------------------------------------- */
+  virtual int classDirectorDefaultConstructor(Node *n) {
+    String *dirclassname = directorClassName(n);
+    String *classtype = SwigType_namestr(Getattr(n, "name"));
+    Wrapper *w = NewWrapper();
+
+    Printf(w->def, "%s::%s() : %s {", dirclassname, dirclassname, Getattr(n, "director:ctor"));
+    Printf(w->code, "}\n");
+    Wrapper_print(w, f_directors);
+
+    Printf(f_directors_h, "    %s();\n", dirclassname);
+    DelWrapper(w);
+    Delete(classtype);
+    Delete(dirclassname);
+    return Language::classDirectorDefaultConstructor(n);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::classDirectorDestructor()
+   * --------------------------------------------------------------------------- */
+  virtual int classDirectorDestructor(Node *n) {
+    Node *current_class = getCurrentClass();
+    String *dirclassname = directorClassName(current_class);
+    Wrapper *w = NewWrapper();
+
+    if (Getattr(n, "noexcept")) {
+      Printf(f_directors_h, "    virtual ~%s() noexcept;\n", dirclassname);
+      Printf(w->def, "%s::~%s() noexcept {\n", dirclassname, dirclassname);
+    } else if (Getattr(n, "throw")) {
+      Printf(f_directors_h, "    virtual ~%s() throw();\n", dirclassname);
+      Printf(w->def, "%s::~%s() throw() {\n", dirclassname, dirclassname);
+    } else {
+      Printf(f_directors_h, "    virtual ~%s();\n", dirclassname);
+      Printf(w->def, "%s::~%s() {\n", dirclassname, dirclassname);
+    }
+
+    Printv(w->code, "}\n", NIL);
+
+    Wrapper_print(w, f_directors);
+
+    DelWrapper(w);
+    Delete(dirclassname);
+    return SWIG_OK;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::classDirectorEnd()
+   * --------------------------------------------------------------------------- */
+  virtual int classDirectorEnd(Node *n) {
+    int i;
+    String *director_classname = directorClassName(n);
+
+    Wrapper *w = NewWrapper();
+
+    if (Len(director_callback_typedefs) > 0) {
+      Printf(f_directors_h, "\n%s", director_callback_typedefs);
+    }
+
+    Printf(f_directors_h, "    void swig_connect_director(void* dobj");
+
+    Printf(w->def, "void %s::swig_connect_director(void* dobj", director_classname);
+    Printf(w->code, "d_object = dobj;");
+
+    for (i = first_class_dmethod; i < curr_class_dmethod; ++i) {
+      UpcallData *udata = Getitem(dmethods_seq, i);
+      String *methid = Getattr(udata, "class_methodidx");
+      String *overname = Getattr(udata, "overname");
+
+      Printf(f_directors_h, ", SWIG_Callback%s_t callback%s", methid, overname);
+      Printf(w->def, ", SWIG_Callback%s_t callback_%s", methid, overname);
+      Printf(w->code, "swig_callback_%s = callback_%s;\n", overname, overname);
+    }
+
+    Printf(f_directors_h, ");\n");
+    Printf(w->def, ") {");
+
+    Printf(f_directors_h, "\nprivate:\n");
+    Printf(f_directors_h, "    void swig_init_callbacks();\n");
+    Printf(f_directors_h, "    void *d_object;\n");
+    if (Len(director_callback_pointers) > 0) {
+      Printf(f_directors_h, "%s", director_callback_pointers);
+    }
+    Printf(f_directors_h, "};\n\n");
+    Printf(w->code, "}\n\n");
+
+    Printf(w->code, "void %s::swig_init_callbacks() {\n", director_classname);
+    for (i = first_class_dmethod; i < curr_class_dmethod; ++i) {
+      UpcallData *udata = Getitem(dmethods_seq, i);
+      String *overname = Getattr(udata, "overname");
+      Printf(w->code, "swig_callback_%s = 0;\n", overname);
+    }
+    Printf(w->code, "}");
+
+    Wrapper_print(w, f_directors);
+
+    DelWrapper(w);
+
+    return Language::classDirectorEnd(n);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::classDirectorDisown()
+   * --------------------------------------------------------------------------- */
+  virtual int classDirectorDisown(Node *n) {
+    (void) n;
+    return SWIG_OK;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::replaceSpecialVariables()
+   * --------------------------------------------------------------------------- */
+  virtual void replaceSpecialVariables(String *method, String *tm, Parm *parm) {
+    (void)method;
+    SwigType *type = Getattr(parm, "type");
+
+    // Just assume that this goes to the proxy class, we cannot know.
+    replaceClassname(tm, type);
+  }
+
+protected:
+  /* ---------------------------------------------------------------------------
+   * D::extraDirectorProtectedCPPMethodsRequired()
+   * --------------------------------------------------------------------------- */
+  virtual bool extraDirectorProtectedCPPMethodsRequired() const {
+    return false;
+  }
+
+private:
+  /* ---------------------------------------------------------------------------
+   * D::writeImDModuleFunction()
+   *
+   * Writes a function declaration for the given (C) wrapper function to the
+   * intermediary D module.
+   *
+   * d_name - The name the function in the intermediary D module will get.
+   * return type - The return type of the function in the C wrapper.
+   * parameters - The parameter list of the C wrapper function.
+   * wrapper_function_name - The name of the exported function in the C wrapper
+   *                         (usually d_name prefixed by »D_«).
+   * --------------------------------------------------------------------------- */
+  void writeImDModuleFunction(const_String_or_char_ptr d_name,
+    const_String_or_char_ptr return_type, const_String_or_char_ptr parameters,
+    const_String_or_char_ptr wrapper_function_name) {
+
+    // TODO: Add support for static linking here.
+    Printf(im_dmodule_code, "SwigExternC!(%s function%s) %s;\n", return_type,
+      parameters, d_name);
+    Printv(wrapper_loader_bind_code, wrapper_loader_bind_command, NIL);
+    Replaceall(wrapper_loader_bind_code, "$function", d_name);
+    Replaceall(wrapper_loader_bind_code, "$symbol", wrapper_function_name);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::writeProxyClassFunction()
+   *
+   * Creates a D proxy function for a C++ function in the wrapped class. Used
+   * for both static and non-static C++ class functions.
+   *
+   * The Node must contain two extra attributes.
+   *  - "proxyfuncname": The name of the D proxy function.
+   *  - "imfuncname": The corresponding function in the intermediary D module.
+   * --------------------------------------------------------------------------- */
+  void writeProxyClassFunction(Node *n) {
+    SwigType *t = Getattr(n, "type");
+    ParmList *l = Getattr(n, "parms");
+    String *intermediary_function_name = Getattr(n, "imfuncname");
+    String *proxy_function_name = Getattr(n, "proxyfuncname");
+    String *tm;
+    Parm *p;
+    int i;
+    String *imcall = NewString("");
+    String *return_type = NewString("");
+    String *function_code = NewString("");
+    bool setter_flag = false;
+    String *pre_code = NewString("");
+    String *post_code = NewString("");
+    String *terminator_code = NewString("");
+
+    // Wrappers not wanted for some methods where the parameters cannot be
+    // overloaded in D.
+    if (Getattr(n, "overload:ignore"))
+      return;
+
+    // Don't generate proxy method for additional explicitcall method used in
+    // directors.
+    if (GetFlag(n, "explicitcall"))
+      return;
+
+    // RESEARCH: What is this good for?
+    if (l) {
+      if (SwigType_type(Getattr(l, "type")) == T_VOID) {
+	l = nextSibling(l);
+      }
+    }
+
+    /* Attach the non-standard typemaps to the parameter list */
+    Swig_typemap_attach_parms("in", l, NULL);
+    Swig_typemap_attach_parms("dtype", l, NULL);
+    Swig_typemap_attach_parms("din", l, NULL);
+
+    // Get return types.
+    if ((tm = lookupDTypemap(n, "dtype"))) {
+      String *dtypeout = Getattr(n, "tmap:dtype:out");
+      if (dtypeout) {
+	// The type in the dtype typemap's out attribute overrides the type in
+	// the typemap.
+	tm = dtypeout;
+        replaceClassname(tm, t);
+      }
+      Printf(return_type, "%s", tm);
+    } else {
+      Swig_warning(WARN_D_TYPEMAP_DTYPE_UNDEF, input_file, line_number,
+	"No dtype typemap defined for %s\n", SwigType_str(t, 0));
+    }
+
+    if (wrapping_member_flag) {
+      // Check if this is a setter method for a public member.
+      const String *setter_name = Swig_name_set(getNSpace(),
+        Swig_name_member(0, proxy_class_name, variable_name));
+
+      if (Cmp(Getattr(n, "sym:name"), setter_name) == 0) {
+        setter_flag = true;
+      }
+    }
+
+    // Write function modifiers.
+    {
+      String *modifiers;
+
+      const String *mods_override = Getattr(n, "feature:d:methodmodifiers");
+      if (mods_override) {
+	modifiers = Copy(mods_override);
+      } else {
+	modifiers = Copy(is_public(n) ? public_string : protected_string);
+
+	if (Getattr(n, "override")) {
+	  Printf(modifiers, " override");
+	}
+      }
+
+      if (is_smart_pointer()) {
+	// Smart pointer classes do not mirror the inheritance hierarchy of the
+	// underlying pointer type, so no override required.
+	Replaceall(modifiers, "override", "");
+      }
+
+      Chop(modifiers);
+
+      if (static_flag) {
+	Printf(modifiers, " static");
+      }
+
+      Printf(function_code, "%s ", modifiers);
+      Delete(modifiers);
+    }
+
+    // Complete the function declaration up to the parameter list.
+    Printf(function_code, "%s %s(", return_type, proxy_function_name);
+
+    // Write the wrapper function call up to the parameter list.
+    Printv(imcall, im_dmodule_fq_name, ".$imfuncname(", NIL);
+    if (!static_flag) {
+      Printf(imcall, "cast(void*)swigCPtr");
+    }
+
+    String *proxy_param_types = NewString("");
+
+    // Write the parameter list for the proxy function declaration and the
+    // wrapper function call.
+    emit_mark_varargs(l);
+    int gencomma = !static_flag;
+    for (i = 0, p = l; p; i++) {
+      // Ignored varargs.
+      if (checkAttribute(p, "varargs:ignore", "1")) {
+	p = nextSibling(p);
+	continue;
+      }
+
+      // Ignored parameters.
+      if (checkAttribute(p, "tmap:in:numinputs", "0")) {
+	p = Getattr(p, "tmap:in:next");
+	continue;
+      }
+
+      // Ignore the 'this' argument for variable wrappers.
+      if (!(variable_wrapper_flag && i == 0)) {
+	String *param_name = makeParameterName(n, p, i, setter_flag);
+	SwigType *pt = Getattr(p, "type");
+
+	// Write the wrapper function call argument.
+	{
+	  if (gencomma) {
+	    Printf(imcall, ", ");
+	  }
+
+	  if ((tm = lookupDTypemap(p, "din", true))) {
+	    Replaceall(tm, "$dinput", param_name);
+	    String *pre = Getattr(p, "tmap:din:pre");
+	    if (pre) {
+	      replaceClassname(pre, pt);
+	      Replaceall(pre, "$dinput", param_name);
+	      if (Len(pre_code) > 0)
+		Printf(pre_code, "\n");
+	      Printv(pre_code, pre, NIL);
+	    }
+	    String *post = Getattr(p, "tmap:din:post");
+	    if (post) {
+	      replaceClassname(post, pt);
+	      Replaceall(post, "$dinput", param_name);
+	      if (Len(post_code) > 0)
+		Printf(post_code, "\n");
+	      Printv(post_code, post, NIL);
+	    }
+	    String *terminator = Getattr(p, "tmap:din:terminator");
+	    if (terminator) {
+	      replaceClassname(terminator, pt);
+	      Replaceall(terminator, "$dinput", param_name);
+	      if (Len(terminator_code) > 0)
+		Insert(terminator_code, 0, "\n");
+	      Insert(terminator_code, 0, terminator);
+	    }
+	    Printv(imcall, tm, NIL);
+	  } else {
+	    Swig_warning(WARN_D_TYPEMAP_DIN_UNDEF, input_file, line_number,
+	      "No din typemap defined for %s\n", SwigType_str(pt, 0));
+	  }
+	}
+
+	// Write the D proxy function parameter.
+	{
+	  String *proxy_type = NewString("");
+
+	  if ((tm = lookupDTypemap(p, "dtype"))) {
+	    const String *inattributes = Getattr(p, "tmap:dtype:inattributes");
+	    Printf(proxy_type, "%s%s", inattributes ? inattributes : empty_string, tm);
+	  } else {
+	    Swig_warning(WARN_D_TYPEMAP_DTYPE_UNDEF, input_file, line_number,
+	      "No dtype typemap defined for %s\n", SwigType_str(pt, 0));
+	  }
+
+	  if (gencomma >= 2) {
+	    Printf(function_code, ", ");
+	    Printf(proxy_param_types, ", ");
+	  }
+	  gencomma = 2;
+	  Printf(function_code, "%s %s", proxy_type, param_name);
+	  Append(proxy_param_types, proxy_type);
+
+	  Delete(proxy_type);
+	}
+
+	Delete(param_name);
+      }
+      p = Getattr(p, "tmap:in:next");
+    }
+
+    Printf(imcall, ")");
+    Printf(function_code, ") ");
+
+    if (d_version > 1 && wrapping_member_flag) {
+      Printf(function_code, "@property ");
+    }
+
+    if (wrapMemberFunctionAsDConst(n)) {
+      Printf(function_code, "const ");
+    }
+
+    // Lookup the code used to convert the wrapper return value to the proxy
+    // function return type.
+    if ((tm = lookupDTypemap(n, "dout"))) {
+      replaceExcode(n, tm, "dout", n);
+      bool is_pre_code = Len(pre_code) > 0;
+      bool is_post_code = Len(post_code) > 0;
+      bool is_terminator_code = Len(terminator_code) > 0;
+      if (is_pre_code || is_post_code || is_terminator_code) {
+	if (is_post_code) {
+	  Insert(tm, 0, "\n  try ");
+	  Printv(tm, " finally {\n", post_code, "\n  }", NIL);
+	} else {
+	  Insert(tm, 0, "\n  ");
+	}
+	if (is_pre_code) {
+	  Insert(tm, 0, pre_code);
+	  Insert(tm, 0, "\n");
+	}
+	if (is_terminator_code) {
+	  Printv(tm, "\n", terminator_code, NIL);
+	}
+	Insert(tm, 0, "{");
+	Printv(tm, "}", NIL);
+      }
+      if (GetFlag(n, "feature:new"))
+	Replaceall(tm, "$owner", "true");
+      else
+	Replaceall(tm, "$owner", "false");
+      replaceClassname(tm, t);
+
+      // For director methods: generate code to selectively make a normal
+      // polymorphic call or an explicit method call. Needed to prevent infinite
+      // recursion when calling director methods.
+      Node *explicit_n = Getattr(n, "explicitcallnode");
+      if (explicit_n && Swig_directorclass(getCurrentClass())) {
+	String *ex_overloaded_name = getOverloadedName(explicit_n);
+	String *ex_intermediary_function_name = Swig_name_member(getNSpace(), proxy_class_name, ex_overloaded_name);
+
+	String *ex_imcall = Copy(imcall);
+	Replaceall(ex_imcall, "$imfuncname", ex_intermediary_function_name);
+	Replaceall(imcall, "$imfuncname", intermediary_function_name);
+
+	String *excode = NewString("");
+	if (!Cmp(return_type, "void"))
+	  Printf(excode, "if (swigIsMethodOverridden!(%s delegate(%s), %s function(%s), %s)()) %s; else %s",
+	    return_type, proxy_param_types, return_type, proxy_param_types, proxy_function_name, ex_imcall, imcall);
+	else
+	  Printf(excode, "((swigIsMethodOverridden!(%s delegate(%s), %s function(%s), %s)()) ? %s : %s)",
+	    return_type, proxy_param_types, return_type, proxy_param_types, proxy_function_name, ex_imcall, imcall);
+
+	Clear(imcall);
+	Printv(imcall, excode, NIL);
+	Delete(ex_overloaded_name);
+	Delete(excode);
+      } else {
+	Replaceall(imcall, "$imfuncname", intermediary_function_name);
+      }
+      Replaceall(tm, "$imfuncname", intermediary_function_name);
+      Replaceall(tm, "$imcall", imcall);
+    } else {
+      Swig_warning(WARN_D_TYPEMAP_DOUT_UNDEF, input_file, line_number,
+	"No dout typemap defined for %s\n", SwigType_str(t, 0));
+    }
+
+    Delete(proxy_param_types);
+
+    // The whole function body is now in stored tm (if there was a matching type
+    // map, of course), so simply append it to the code buffer. The braces are
+    // included in the typemap.
+    Printv(function_code, tm, NIL);
+
+    // Write function code buffer to the class code.
+    Printv(proxy_class_body_code, "\n", function_code, "\n", NIL);
+
+    Delete(pre_code);
+    Delete(post_code);
+    Delete(terminator_code);
+    Delete(function_code);
+    Delete(return_type);
+    Delete(imcall);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::writeProxyDModuleFunction()
+   * --------------------------------------------------------------------------- */
+  void writeProxyDModuleFunction(Node *n) {
+    SwigType *t = Getattr(n, "type");
+    ParmList *l = Getattr(n, "parms");
+    String *tm;
+    Parm *p;
+    int i;
+    String *imcall = NewString("");
+    String *return_type = NewString("");
+    String *function_code = NewString("");
+    int num_arguments = 0;
+    String *overloaded_name = getOverloadedName(n);
+    String *func_name = NULL;
+    String *pre_code = NewString("");
+    String *post_code = NewString("");
+    String *terminator_code = NewString("");
+
+    // RESEARCH: What is this good for?
+    if (l) {
+      if (SwigType_type(Getattr(l, "type")) == T_VOID) {
+	l = nextSibling(l);
+      }
+    }
+
+    /* Attach the non-standard typemaps to the parameter list */
+    Swig_typemap_attach_parms("dtype", l, NULL);
+    Swig_typemap_attach_parms("din", l, NULL);
+
+    /* Get return types */
+    if ((tm = lookupDTypemap(n, "dtype"))) {
+      String *dtypeout = Getattr(n, "tmap:dtype:out");
+      if (dtypeout) {
+	// The type in the dtype typemap's out attribute overrides the type in
+	// the typemap.
+	tm = dtypeout;
+	replaceClassname(tm, t);
+      }
+      Printf(return_type, "%s", tm);
+    } else {
+      Swig_warning(WARN_D_TYPEMAP_DTYPE_UNDEF, input_file, line_number,
+	"No dtype typemap defined for %s\n", SwigType_str(t, 0));
+    }
+
+    /* Change function name for global variables */
+    if (global_variable_flag) {
+      // RESEARCH: Is the Copy() needed here?
+      func_name = Copy(variable_name);
+    } else {
+      func_name = Copy(Getattr(n, "sym:name"));
+    }
+
+    /* Start generating the function */
+    const String *outattributes = Getattr(n, "tmap:dtype:outattributes");
+    if (outattributes)
+      Printf(function_code, "  %s\n", outattributes);
+
+    const String *methodmods = Getattr(n, "feature:d:methodmodifiers");
+    // TODO: Check if is_public(n) could possibly make any sense here
+    // (private global functions would be useless anyway?).
+    methodmods = methodmods ? methodmods : empty_string;
+
+    Printf(function_code, "\n%s%s %s(", methodmods, return_type, func_name);
+    Printv(imcall, im_dmodule_fq_name, ".", overloaded_name, "(", NIL);
+
+    /* Get number of required and total arguments */
+    num_arguments = emit_num_arguments(l);
+
+    int gencomma = 0;
+
+    /* Output each parameter */
+    for (i = 0, p = l; i < num_arguments; i++) {
+
+      /* Ignored parameters */
+      while (checkAttribute(p, "tmap:in:numinputs", "0")) {
+	p = Getattr(p, "tmap:in:next");
+      }
+
+      SwigType *pt = Getattr(p, "type");
+      String *param_type = NewString("");
+
+      // Get the D parameter type.
+      if ((tm = lookupDTypemap(p, "dtype", true))) {
+	const String *inattributes = Getattr(p, "tmap:dtype:inattributes");
+	Printf(param_type, "%s%s", inattributes ? inattributes : empty_string, tm);
+      } else {
+	Swig_warning(WARN_D_TYPEMAP_DTYPE_UNDEF, input_file, line_number,
+	  "No dtype typemap defined for %s\n", SwigType_str(pt, 0));
+      }
+
+      if (gencomma)
+	Printf(imcall, ", ");
+
+      const bool generating_setter = global_variable_flag || wrapping_member_flag;
+      String *arg = makeParameterName(n, p, i, generating_setter);
+
+      // Get the D code to convert the parameter value to the type used in the
+      // wrapper D module.
+      if ((tm = lookupDTypemap(p, "din", true))) {
+	Replaceall(tm, "$dinput", arg);
+	String *pre = Getattr(p, "tmap:din:pre");
+	if (pre) {
+	  replaceClassname(pre, pt);
+	  Replaceall(pre, "$dinput", arg);
+	  if (Len(pre_code) > 0)
+	    Printf(pre_code, "\n");
+	  Printv(pre_code, pre, NIL);
+	}
+	String *post = Getattr(p, "tmap:din:post");
+	if (post) {
+	  replaceClassname(post, pt);
+	  Replaceall(post, "$dinput", arg);
+	  if (Len(post_code) > 0)
+	    Printf(post_code, "\n");
+	  Printv(post_code, post, NIL);
+	}
+	String *terminator = Getattr(p, "tmap:din:terminator");
+	if (terminator) {
+	  replaceClassname(terminator, pt);
+	  Replaceall(terminator, "$dinput", arg);
+	  if (Len(terminator_code) > 0)
+	    Insert(terminator_code, 0, "\n");
+	  Insert(terminator_code, 0, terminator);
+	}
+	Printv(imcall, tm, NIL);
+      } else {
+	Swig_warning(WARN_D_TYPEMAP_DIN_UNDEF, input_file, line_number,
+	  "No din typemap defined for %s\n", SwigType_str(pt, 0));
+      }
+
+      /* Add parameter to module class function */
+      if (gencomma >= 2)
+	Printf(function_code, ", ");
+      gencomma = 2;
+      Printf(function_code, "%s %s", param_type, arg);
+
+      p = Getattr(p, "tmap:in:next");
+      Delete(arg);
+      Delete(param_type);
+    }
+
+    Printf(imcall, ")");
+    Printf(function_code, ") ");
+
+    if (global_variable_flag && (d_version > 1)) {
+      Printf(function_code, "@property ");
+    }
+
+    // Lookup the code used to convert the wrapper return value to the proxy
+    // function return type.
+    if ((tm = lookupDTypemap(n, "dout"))) {
+      replaceExcode(n, tm, "dout", n);
+      bool is_pre_code = Len(pre_code) > 0;
+      bool is_post_code = Len(post_code) > 0;
+      bool is_terminator_code = Len(terminator_code) > 0;
+      if (is_pre_code || is_post_code || is_terminator_code) {
+	if (is_post_code) {
+	  Insert(tm, 0, "\n  try ");
+	  Printv(tm, " finally {\n", post_code, "\n  }", NIL);
+	} else {
+	  Insert(tm, 0, "\n  ");
+	}
+	if (is_pre_code) {
+	  Insert(tm, 0, pre_code);
+	  Insert(tm, 0, "\n");
+	}
+	if (is_terminator_code) {
+	  Printv(tm, "\n", terminator_code, NIL);
+	}
+	Insert(tm, 0, " {");
+	Printf(tm, "\n}");
+      }
+      if (GetFlag(n, "feature:new"))
+	Replaceall(tm, "$owner", "true");
+      else
+	Replaceall(tm, "$owner", "false");
+      replaceClassname(tm, t);
+      Replaceall(tm, "$imfuncname", overloaded_name);
+      Replaceall(tm, "$imcall", imcall);
+    } else {
+      Swig_warning(WARN_D_TYPEMAP_DOUT_UNDEF, input_file, line_number,
+	"No dout typemap defined for %s\n", SwigType_str(t, 0));
+    }
+
+    // The whole function code is now stored in tm (if there was a matching
+    // type map, of course), so simply append it to the code buffer.
+    Printf(function_code, "%s\n", tm ? (const String *) tm : empty_string);
+    Printv(proxyCodeBuffer(getNSpace()), function_code, NIL);
+
+    Delete(pre_code);
+    Delete(post_code);
+    Delete(terminator_code);
+    Delete(function_code);
+    Delete(return_type);
+    Delete(imcall);
+    Delete(func_name);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::writeProxyClassAndUpcasts()
+   *
+   * Collects all the code fragments generated by the handler function while
+   * traversing the tree from the proxy_class_* variables and writes the
+   * class definition (including any epilogue code) to proxy_class_code.
+   *
+   * Also writes the upcast function to the wrapper layer when processing a
+   * derived class.
+   *
+   * Inputs:
+   *  n – The class node currently processed.
+   * --------------------------------------------------------------------------- */
+  void writeProxyClassAndUpcasts(Node *n) {
+    SwigType *typemap_lookup_type = Getattr(n, "classtypeobj");
+
+    /*
+     * Handle inheriting from D and C++ classes.
+     */
+
+    String *c_classname = Getattr(n, "name");
+    String *c_baseclassname = NULL;
+    Node *basenode = NULL;
+    String *baseclass = NULL;
+
+    // Inheritance from pure D classes.
+    Node *attributes = NewHash();
+    const String *pure_baseclass =
+      lookupCodeTypemap(n, "dbase", typemap_lookup_type, WARN_NONE, attributes);
+    bool purebase_replace = GetFlag(attributes, "tmap:dbase:replace") ? true : false;
+    bool purebase_notderived = GetFlag(attributes, "tmap:dbase:notderived") ? true : false;
+    Delete(attributes);
+
+    // C++ inheritance.
+    if (!purebase_replace) {
+      List *baselist = Getattr(n, "bases");
+      if (baselist) {
+	Iterator base = First(baselist);
+	while (base.item) {
+	  if (!GetFlag(base.item, "feature:ignore")) {
+	    SwigType *baseclassname = Getattr(base.item, "name");
+	    if (!c_baseclassname) {
+	      basenode = base.item;
+	      String *name = createProxyName(baseclassname);
+	      if (name) {
+		c_baseclassname = baseclassname;
+		baseclass = name;
+	      }
+	    } else {
+	      /* Warn about multiple inheritance for additional base class(es) */
+	      String *proxyclassname = Getattr(n, "classtypeobj");
+	      Swig_warning(WARN_D_MULTIPLE_INHERITANCE, Getfile(n), Getline(n),
+		  "Base %s of class %s ignored: multiple inheritance is not supported in D.\n", SwigType_namestr(baseclassname), SwigType_namestr(proxyclassname));
+	    }
+	  }
+	  base = Next(base);
+	}
+      }
+    }
+
+    bool derived = baseclass != NULL;
+
+    if (derived && purebase_notderived) {
+      pure_baseclass = empty_string;
+    }
+    const String *wanted_base = baseclass ? baseclass : pure_baseclass;
+
+    if (purebase_replace) {
+      wanted_base = pure_baseclass;
+      derived = false;
+      basenode = NULL;
+      baseclass = NULL;
+      if (purebase_notderived) {
+	Swig_error(Getfile(n), Getline(n),
+	  "The dbase typemap for proxy %s must contain just one of the 'replace' or 'notderived' attributes.\n",
+	  typemap_lookup_type);
+      }
+    } else if (baseclass && Len(pure_baseclass) > 0) {
+      Swig_warning(WARN_D_MULTIPLE_INHERITANCE, Getfile(n), Getline(n),
+	"Warning for %s, base class %s ignored. Multiple inheritance is not supported in D. "
+	"Perhaps you need one of the 'replace' or 'notderived' attributes in the dbase typemap?\n", typemap_lookup_type, pure_baseclass);
+    }
+
+    // Add code to do C++ casting to base class (only for classes in an inheritance hierarchy)
+    if (derived) {
+      writeClassUpcast(n, proxy_class_name, c_classname, c_baseclassname);
+    }
+
+    /*
+     * Write needed imports.
+     */
+    // If this class is derived from a C++ class, we need to have the D class
+    // generated for it in scope.
+    if (derived) {
+      requireDType(Getattr(basenode, "sym:nspace"), Getattr(basenode, "sym:name"));
+    }
+
+    // Write any custom import statements to the proxy module header.
+    const String *imports = lookupCodeTypemap(n, "dimports", typemap_lookup_type, WARN_NONE);
+    if (Len(imports) > 0) {
+      String* imports_trimmed = Copy(imports);
+      Chop(imports_trimmed);
+      replaceImportTypeMacros(imports_trimmed);
+      Printv(proxy_class_imports, imports_trimmed, "\n", NIL);
+      Delete(imports_trimmed);
+    }
+
+    /*
+     * Write the proxy class header.
+     */
+    // Class modifiers.
+    const String *modifiers =
+      lookupCodeTypemap(n, "dclassmodifiers", typemap_lookup_type, WARN_D_TYPEMAP_CLASSMOD_UNDEF);
+
+    // User-defined interfaces.
+    const String *interfaces =
+      lookupCodeTypemap(n, derived ? "dinterfaces_derived" : "dinterfaces", typemap_lookup_type, WARN_NONE);
+
+    Printv(proxy_class_code,
+      "\n",
+      modifiers,
+      " $dclassname",
+      (*Char(wanted_base) || *Char(interfaces)) ? " : " : "", wanted_base,
+      (*Char(wanted_base) && *Char(interfaces)) ? ", " : "", interfaces, " {",
+      NIL);
+
+    /*
+     * Write the proxy class body.
+     */
+    String* body = NewString("");
+
+    // Default class body.
+    const String *dbody;
+    if (derived) {
+      dbody = lookupCodeTypemap(n, "dbody_derived", typemap_lookup_type, WARN_D_TYPEMAP_DBODY_UNDEF);
+    } else {
+      dbody = lookupCodeTypemap(n, "dbody", typemap_lookup_type, WARN_D_TYPEMAP_DBODY_UNDEF);
+    }
+
+    Printv(body, dbody, NIL);
+
+    // Destructor and dispose().
+    // If the C++ destructor is accessible (public), it is wrapped by the
+    // dispose() method which is also called by the emitted D constructor. If it
+    // is not accessible, no D destructor is written and the generated dispose()
+    // method throws an exception.
+    // This enables C++ classes with protected or private destructors to be used
+    // in D as it would be used in C++ (GC finalization is a no-op then because
+    // of the empty D destructor) while preventing usage in »scope« variables.
+    // The method name for the dispose() method is specified in a typemap
+    // attribute called »methodname«.
+    const String *tm = NULL;
+
+    const String *dispose_methodname;
+    const String *dispose_methodmodifiers;
+    const String *dispose_parameters;
+    attributes = NewHash();
+    if (derived) {
+      tm = lookupCodeTypemap(n, "ddispose_derived", typemap_lookup_type, WARN_NONE, attributes);
+      dispose_methodname = Getattr(attributes, "tmap:ddispose_derived:methodname");
+      dispose_methodmodifiers = Getattr(attributes, "tmap:ddispose_derived:methodmodifiers");
+      dispose_parameters = Getattr(attributes, "tmap:ddispose_derived:parameters");
+    } else {
+      tm = lookupCodeTypemap(n, "ddispose", typemap_lookup_type, WARN_NONE, attributes);
+      dispose_methodname = Getattr(attributes, "tmap:ddispose:methodname");
+      dispose_methodmodifiers = Getattr(attributes, "tmap:ddispose:methodmodifiers");
+      dispose_parameters = Getattr(attributes, "tmap:ddispose:parameters");
+    }
+
+    if (tm && *Char(tm)) {
+      if (!dispose_methodname) {
+	Swig_error(Getfile(n), Getline(n),
+	  "No methodname attribute defined in the ddispose%s typemap for %s\n",
+	  (derived ? "_derived" : ""), proxy_class_name);
+      }
+      if (!dispose_methodmodifiers) {
+	Swig_error(Getfile(n), Getline(n),
+	  "No methodmodifiers attribute defined in ddispose%s typemap for %s.\n",
+	  (derived ? "_derived" : ""), proxy_class_name);
+      }
+      if (!dispose_parameters)
+	dispose_parameters = empty_string;
+    }
+
+    if (tm) {
+      // Write the destructor if the C++ one is accessible.
+      if (*Char(destructor_call)) {
+	Printv(body,
+	  lookupCodeTypemap(n, "ddestructor", typemap_lookup_type, WARN_NONE), NIL);
+      }
+
+      // Write the dispose() method.
+      String *dispose_code = NewString("");
+      Printv(dispose_code, tm, NIL);
+
+      if (*Char(destructor_call)) {
+	Replaceall(dispose_code, "$imcall", destructor_call);
+      } else {
+	Replaceall(dispose_code, "$imcall", "throw new object.Exception(\"C++ destructor does not have public access\")");
+      }
+
+      if (*Char(dispose_code)) {
+	Printv(body, "\n", NIL);
+	const String *methodmods = Getattr(n, "destructmethodmodifiers");
+	if (methodmods)
+	  Printv(body, methodmods, NIL);
+	else
+	  Printv(body, dispose_methodmodifiers, (derived ? " override" : ""), NIL);
+	Printv(body, " void ", dispose_methodname, "(", dispose_parameters, ") ", dispose_code, "\n", NIL);
+      }
+    }
+
+    if (Swig_directorclass(n)) {
+      // If directors are enabled for the current class, generate the
+      // director connect helper function which is called from the constructor
+      // and write it to the class body.
+      writeDirectorConnectProxy(n);
+    }
+
+    // Write all constants and enumerations first to prevent forward reference
+    // errors.
+    Printv(body, proxy_class_enums_code, NIL);
+
+    // Write the code generated in other methods to the class body.
+    Printv(body, proxy_class_body_code, NIL);
+
+    // Append extra user D code to the class body.
+    Printv(body,
+      lookupCodeTypemap(n, "dcode", typemap_lookup_type, WARN_NONE), "\n", NIL);
+
+    // Write the class body and the curly bracket closing the class definition
+    // to the proxy module.
+    indentCode(body);
+    Replaceall(body, "$dbaseclass", baseclass);
+
+    Printv(proxy_class_code, body, "\n}\n", NIL);
+    Delete(body);
+
+    // Write the epilogue code if there is any.
+    Printv(proxy_class_code, proxy_class_epilogue_code, NIL);
+  }
+
+
+  /* ---------------------------------------------------------------------------
+   * D::writeClassUpcast()
+   * --------------------------------------------------------------------------- */
+  void writeClassUpcast(Node *n, const String* d_class_name, SwigType* c_classname, SwigType* c_baseclassname) {
+
+    SwigType *smart = Swig_cparse_smartptr(n);
+    String *upcast_name = Swig_name_member(getNSpace(), d_class_name, (smart != 0 ? "SmartPtrUpcast" : "Upcast"));
+    String *upcast_wrapper_name = Swig_name_wrapper(upcast_name);
+
+    writeImDModuleFunction(upcast_name, "void*", "(void* objectRef)",
+      upcast_wrapper_name);
+
+    String *classname = SwigType_namestr(c_classname);
+    String *baseclassname = SwigType_namestr(c_baseclassname);
+    if (smart) {
+      String *smartnamestr = SwigType_namestr(smart);
+      String *bsmartnamestr = SwigType_namestr(smart);
+
+      // TODO: SwigType_typedef_resolve_all on a String instead of SwigType is incorrect for templates
+      SwigType *rclassname = SwigType_typedef_resolve_all(classname);
+      SwigType *rbaseclassname = SwigType_typedef_resolve_all(baseclassname);
+      Replaceall(bsmartnamestr, rclassname, rbaseclassname);
+
+      Printv(upcasts_code,
+	"SWIGEXPORT ", bsmartnamestr, " * ", upcast_wrapper_name,
+	  "(", smartnamestr, " *objectRef) {\n",
+	"    return objectRef ? new ", bsmartnamestr, "(*objectRef) : 0;\n"
+	"}\n",
+	"\n", NIL);
+
+      Delete(rbaseclassname);
+      Delete(rclassname);
+      Delete(bsmartnamestr);
+      Delete(smartnamestr);
+    } else {
+      Printv(upcasts_code,
+	"SWIGEXPORT ", baseclassname, " * ", upcast_wrapper_name,
+	  "(", classname, " *objectRef) {\n",
+	"    return (", baseclassname, " *)objectRef;\n"
+	"}\n",
+	"\n", NIL);
+    }
+
+    Replaceall(upcasts_code, "$cclass", classname);
+    Replaceall(upcasts_code, "$cbaseclass", baseclassname);
+
+    Delete(baseclassname);
+    Delete(classname);
+    Delete(upcast_name);
+    Delete(upcast_wrapper_name);
+    Delete(smart);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::writeTypeWrapperClass()
+   * --------------------------------------------------------------------------- */
+  void writeTypeWrapperClass(String *classname, SwigType *type) {
+    Node *n = NewHash();
+    Setfile(n, input_file);
+    Setline(n, line_number);
+
+    assertClassNameValidity(classname);
+
+    String* imports_target;
+    String* code_target;
+    File *class_file = NULL;
+    if (split_proxy_dmodule) {
+      String *filename = NewStringf("%s%s.d", dmodule_directory, classname);
+      class_file = NewFile(filename, "w", SWIG_output_files());
+      if (!class_file) {
+	FileErrorDisplay(filename);
+	Exit(EXIT_FAILURE);
+      }
+      Append(filenames_list, Copy(filename));
+      Delete(filename);
+
+      emitBanner(class_file);
+      Printf(class_file, "module %s%s;\n", package, classname);
+      Printf(class_file, "\nstatic import %s;\n", im_dmodule_fq_name);
+
+      imports_target = NewString("");
+      code_target = NewString("");
+    } else {
+      imports_target = proxyImportsBuffer(0);
+      code_target = proxyCodeBuffer(0);
+    }
+
+    // Import statements.
+    const String *imports = lookupCodeTypemap(n, "dimports", type, WARN_NONE);
+    if (Len(imports) > 0) {
+      String *imports_trimmed = Copy(imports);
+      Chop(imports_trimmed);
+      replaceImportTypeMacros(imports_trimmed);
+      Printv(imports_target, imports_trimmed, "\n", NIL);
+      Delete(imports_trimmed);
+    }
+
+    // Pure D baseclass and interfaces (no C++ inheritance possible.
+    const String *pure_baseclass = lookupCodeTypemap(n, "dbase", type, WARN_NONE);
+    const String *pure_interfaces = lookupCodeTypemap(n, "dinterfaces", type, WARN_NONE);
+
+    // Emit the class.
+    Printv(code_target,
+      "\n",
+      lookupCodeTypemap(n, "dclassmodifiers", type, WARN_D_TYPEMAP_CLASSMOD_UNDEF),
+      " $dclassname",
+      (*Char(pure_baseclass) || *Char(pure_interfaces)) ? " : " : "", pure_baseclass,
+      ((*Char(pure_baseclass)) && *Char(pure_interfaces)) ? ", " : "", pure_interfaces,
+      " {", NIL);
+
+    String* body = NewString("");
+    Printv(body, lookupCodeTypemap(n, "dbody", type, WARN_D_TYPEMAP_DBODY_UNDEF),
+      lookupCodeTypemap(n, "dcode", type, WARN_NONE), NIL);
+    indentCode(body);
+    Printv(code_target, body, "\n}\n", NIL);
+    Delete(body);
+
+    Replaceall(code_target, "$dclassname", classname);
+
+    if (split_proxy_dmodule) {
+      Printv(class_file, imports_target, NIL);
+      Delete(imports_target);
+
+      replaceModuleVariables(code_target);
+      Printv(class_file, code_target, NIL);
+      Delete(code_target);
+
+      Delete(class_file);
+    }
+
+    Delete(n);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::writeDirectorConnectProxy(Node *classNode)
+   *
+   * Writes the helper method which registers the director callbacks by calling
+   * the director connect function from the D side to the proxy class.
+   * --------------------------------------------------------------------------- */
+  void writeDirectorConnectProxy(Node* classNode) {
+    String *dirClassName = directorClassName(classNode);
+    String *connect_name = Swig_name_member(getNSpace(),
+      proxy_class_name, "director_connect");
+    Printf(proxy_class_body_code, "\nprivate void swigDirectorConnect() {\n");
+
+    int i;
+    for (i = first_class_dmethod; i < curr_class_dmethod; ++i) {
+      UpcallData *udata = Getitem(dmethods_seq, i);
+      String *method = Getattr(udata, "method");
+      String *overloaded_name = Getattr(udata, "overname");
+      String *return_type = Getattr(udata, "return_type");
+      String *param_list = Getattr(udata, "param_list");
+      String *methid = Getattr(udata, "class_methodidx");
+      Printf(proxy_class_body_code, "  %s.%s_Callback%s callback%s;\n", im_dmodule_fq_name, dirClassName, methid, methid);
+      Printf(proxy_class_body_code, "  if (swigIsMethodOverridden!(%s delegate(%s), %s function(%s), %s)()) {\n", return_type, param_list, return_type, param_list, method);
+      Printf(proxy_class_body_code, "    callback%s = &swigDirectorCallback_%s_%s;\n", methid, proxy_class_name, overloaded_name);
+      Printf(proxy_class_body_code, "  }\n\n");
+    }
+    Printf(proxy_class_body_code, "  %s.%s(cast(void*)swigCPtr, cast(void*)this", im_dmodule_fq_name, connect_name);
+    for (i = first_class_dmethod; i < curr_class_dmethod; ++i) {
+      UpcallData *udata = Getitem(dmethods_seq, i);
+      String *methid = Getattr(udata, "class_methodidx");
+      Printf(proxy_class_body_code, ", callback%s", methid);
+    }
+    Printf(proxy_class_body_code, ");\n");
+    Printf(proxy_class_body_code, "}\n");
+
+    // Helper function to determine if a method has been overridden in a
+    // subclass of the wrapped class. If not, we just pass null to the
+    // director_connect_function since the method from the C++ class should
+    // be called as usual (see above).
+    // Only emit it if the proxy class has at least one method.
+    if (first_class_dmethod < curr_class_dmethod) {
+      Printf(proxy_class_body_code, "\n");
+      Printf(proxy_class_body_code, "private bool swigIsMethodOverridden(DelegateType, FunctionType, alias fn)() %s{\n", (d_version > 1) ? "const " : "");
+      Printf(proxy_class_body_code, "  DelegateType dg = &fn;\n");
+      Printf(proxy_class_body_code, "  return dg.funcptr != SwigNonVirtualAddressOf!(FunctionType, fn);\n");
+      Printf(proxy_class_body_code, "}\n");
+      Printf(proxy_class_body_code, "\n");
+      Printf(proxy_class_body_code, "private static Function SwigNonVirtualAddressOf(Function, alias fn)() {\n");
+      Printf(proxy_class_body_code, "  return cast(Function) &fn;\n");
+      Printf(proxy_class_body_code, "}\n");
+    }
+
+    if (Len(director_dcallbacks_code) > 0) {
+      Printv(proxy_class_epilogue_code, director_dcallbacks_code, NIL);
+    }
+
+    Delete(director_callback_typedefs);
+    director_callback_typedefs = NULL;
+    Delete(director_callback_pointers);
+    director_callback_pointers = NULL;
+    Delete(director_dcallbacks_code);
+    director_dcallbacks_code = NULL;
+    Delete(dirClassName);
+    Delete(connect_name);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::writeDirectorConnectWrapper()
+   *
+   * Writes the director connect function and the corresponding declaration to
+   * the C++ wrapper respectively the D wrapper.
+   * --------------------------------------------------------------------------- */
+  void writeDirectorConnectWrapper(Node *n) {
+    if (!Swig_directorclass(n))
+      return;
+
+    // Output the director connect method.
+    String *norm_name = SwigType_namestr(Getattr(n, "name"));
+    String *connect_name = Swig_name_member(getNSpace(),
+      proxy_class_name, "director_connect");
+    String *dirClassName = directorClassName(n);
+    Wrapper *code_wrap;
+
+    Printv(wrapper_loader_bind_code, wrapper_loader_bind_command, NIL);
+    Replaceall(wrapper_loader_bind_code, "$function", connect_name);
+    Replaceall(wrapper_loader_bind_code, "$symbol", Swig_name_wrapper(connect_name));
+
+    Printf(im_dmodule_code, "extern(C) void function(void* cObject, void* dObject");
+
+    code_wrap = NewWrapper();
+    Printf(code_wrap->def, "SWIGEXPORT void D_%s(void *objarg, void *dobj", connect_name);
+
+    Printf(code_wrap->code, "  %s *obj = (%s *)objarg;\n", norm_name, norm_name);
+    Printf(code_wrap->code, "  %s *director = static_cast<%s *>(obj);\n", dirClassName, dirClassName);
+
+    Printf(code_wrap->code, "  director->swig_connect_director(dobj");
+
+    for (int i = first_class_dmethod; i < curr_class_dmethod; ++i) {
+      UpcallData *udata = Getitem(dmethods_seq, i);
+      String *methid = Getattr(udata, "class_methodidx");
+
+      Printf(code_wrap->def, ", %s::SWIG_Callback%s_t callback%s", dirClassName, methid, methid);
+      Printf(code_wrap->code, ", callback%s", methid);
+      Printf(im_dmodule_code, ", %s_Callback%s callback%s", dirClassName, methid, methid);
+    }
+
+    Printf(code_wrap->def, ") {\n");
+    Printf(code_wrap->code, ");\n");
+    Printf(im_dmodule_code, ") %s;\n", connect_name);
+    Printf(code_wrap->code, "}\n");
+
+    Wrapper_print(code_wrap, f_wrappers);
+    DelWrapper(code_wrap);
+
+    Delete(connect_name);
+    Delete(dirClassName);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::requireDType()
+   *
+   * If the given type is not already in scope in the current module, adds an
+   * import statement for it. The name is considered relative to the global root
+   * package if one is set.
+   *
+   * This is only used for dependencies created in generated code, user-
+   * (i.e. typemap-) specified import statements are handled separately.
+   * --------------------------------------------------------------------------- */
+  void requireDType(const String *nspace, const String *symname) {
+    String *dmodule = createModuleName(nspace, symname);
+
+    if (!inProxyModule(dmodule)) {
+      String *import = createImportStatement(dmodule);
+      Append(import, "\n");
+      if (is_wrapping_class()) {
+	addImportStatement(proxy_class_imports, import);
+      } else {
+	addImportStatement(proxyImportsBuffer(getNSpace()), import);
+      }
+      Delete(import);
+    }
+    Delete(dmodule);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::addImportStatement()
+   *
+   * Adds the given import statement to the given list of import statements if
+   * there is no statement importing that module present yet.
+   * --------------------------------------------------------------------------- */
+  void addImportStatement(String *target, const String *import) const {
+    char *position = Strstr(target, import);
+    if (position) {
+      // If the import statement has been found in the target string, we have to
+      // check if the previous import was static, which would lead to problems
+      // if this import is not.
+      // Thus, we check if the seven characters in front of the occurrence are
+      // »static «. If the import string passed is also static, the checks fail
+      // even if the found statement is also static because the last seven
+      // characters would be part of the previous import statement then.
+
+      if (position - Char(target) < 7) {
+	return;
+      }
+      if (strncmp(position - 7, "static ", 7)) {
+	return;
+      }
+    }
+
+    Printv(target, import, NIL);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::createImportStatement()
+   *
+   * Creates a string containing an import statement for the given module.
+   * --------------------------------------------------------------------------- */
+  String *createImportStatement(const String *dmodule_name,
+    bool static_import = true) const {
+
+    if (static_import) {
+      return NewStringf("static import %s%s;", package, dmodule_name);
+    } else {
+      return NewStringf("import %s%s;", package, dmodule_name);
+    }
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::inProxyModule()
+   *
+   * Determines if the specified proxy type is declared in the currently
+   * processed proxy D module.
+   *
+   * This function is used to determine if fully qualified type names have to
+   * be used (package, module and type name). If the split proxy mode is not
+   * used, this solely depends on whether the type is in the current namespace.
+   * --------------------------------------------------------------------------- */
+  bool inProxyModule(const String *type_name) const {
+    if (!split_proxy_dmodule) {
+      String *nspace = createOuterNamespaceNames(type_name);
+
+      // Check if strings are either both null (no namespace) or are both
+      // non-null and have the same contents. Cannot use Strcmp for this
+      // directly because of its strange way of handling the case where only
+      // one argument is 0 ("<").
+      bool result = !nspace && !getNSpace();
+      if (nspace && getNSpace())
+	result = (Strcmp(nspace, getNSpace()) == 0);
+
+      Delete(nspace);
+      return result;
+    }
+
+    if (!is_wrapping_class()) {
+      return false;
+    }
+
+    return (Strcmp(proxy_class_qname, type_name) == 0);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::addUpcallMethod()
+   *
+   * Adds new director upcall signature.
+   * --------------------------------------------------------------------------- */
+  UpcallData *addUpcallMethod(String *imclass_method, String *class_method,
+    String *decl, String *overloaded_name, String *return_type, String *param_list) {
+
+    String *key = NewStringf("%s|%s", imclass_method, decl);
+
+    ++curr_class_dmethod;
+
+    String *class_methodidx = NewStringf("%d", n_dmethods - first_class_dmethod);
+    n_dmethods++;
+
+    Hash *new_udata = NewHash();
+    Append(dmethods_seq, new_udata);
+    Setattr(dmethods_table, key, new_udata);
+
+    Setattr(new_udata, "method", Copy(class_method));
+    Setattr(new_udata, "class_methodidx", class_methodidx);
+    Setattr(new_udata, "decl", Copy(decl));
+    Setattr(new_udata, "overname", Copy(overloaded_name));
+    Setattr(new_udata, "return_type", Copy(return_type));
+    Setattr(new_udata, "param_list", Copy(param_list));
+
+    Delete(key);
+    return new_udata;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::assertClassNameValidity()
+   * --------------------------------------------------------------------------- */
+  void assertClassNameValidity(const String* class_name) const {
+    // TODO: With nspace support, there could arise problems also when not in
+    // split proxy mode, warnings for these should be added.
+    if (split_proxy_dmodule) {
+      if (Cmp(class_name, im_dmodule_name) == 0) {
+	Swig_error(input_file, line_number,
+	  "Class name cannot be equal to intermediary D module name: %s\n",
+	  class_name);
+	Exit(EXIT_FAILURE);
+      }
+
+      String *nspace = getNSpace();
+      if (nspace) {
+	// Check the root package/outermost namespace (a class A in module
+	// A.B leads to problems if another module A.C is also imported)
+	if (Len(package) > 0) {
+	  String *dotless_package = NewStringWithSize(package, Len(package) - 1);
+	  if (Cmp(class_name, dotless_package) == 0) {
+	    Swig_error(input_file, line_number,
+	      "Class name cannot be the same as the root package it is in: %s\n",
+	      class_name);
+	    Exit(EXIT_FAILURE);
+	  }
+	  Delete(dotless_package);
+	} else {
+	  String *outer = createFirstNamespaceName(nspace);
+	  if (Cmp(class_name, outer) == 0) {
+	    Swig_error(input_file, line_number,
+	      "Class name cannot be the same as the outermost namespace it is in: %s\n",
+	      class_name);
+	    Exit(EXIT_FAILURE);
+	  }
+	  Delete(outer);
+	}
+
+	// … and the innermost one (because of the conflict with the main proxy
+	// module named like the namespace).
+	String *inner = createLastNamespaceName(nspace);
+	if (Cmp(class_name, inner) == 0) {
+	  Swig_error(input_file, line_number,
+	    "Class name cannot be the same as the innermost namespace it is in: %s\n",
+	    class_name);
+	  Exit(EXIT_FAILURE);
+	}
+	Delete(inner);
+      } else {
+	if (Cmp(class_name, proxy_dmodule_name) == 0) {
+	  Swig_error(input_file, line_number,
+	    "Class name cannot be equal to proxy D module name: %s\n",
+	    class_name);
+	  Exit(EXIT_FAILURE);
+	}
+      }
+    }
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::getPrimitiveDptype()
+   *
+   * Returns the D proxy type for the passed type if it is a primitive type in
+   * both C and D.
+   * --------------------------------------------------------------------------- */
+  String *getPrimitiveDptype(Node *node, SwigType *type) {
+    SwigType *stripped_type = SwigType_typedef_resolve_all(type);
+
+    // A reference can only be the »outermost element« of a type.
+    bool mutable_ref = false;
+    if (SwigType_isreference(stripped_type)) {
+      SwigType_del_reference(stripped_type);
+
+      if (SwigType_isconst(stripped_type)) {
+	SwigType_del_qualifier(stripped_type);
+      } else {
+	mutable_ref = true;
+      }
+    }
+
+    // Strip all the pointers from the type.
+    int indirection_count = 0;
+    while (SwigType_ispointer(stripped_type)) {
+      ++indirection_count;
+      SwigType_del_pointer(stripped_type);
+    }
+
+    // Now that we got rid of the pointers, see if we are dealing with a
+    // primitive type.
+    String *dtype = 0;
+    if (SwigType_isfunction(stripped_type) && indirection_count > 0) {
+      // type was a function pointer, split it up.
+      SwigType_add_pointer(stripped_type);
+      --indirection_count;
+
+      SwigType *return_type = Copy(stripped_type);
+      SwigType *params_type = SwigType_functionpointer_decompose(return_type);
+      String *return_dtype = getPrimitiveDptype(node, return_type);
+      Delete(return_type);
+      if (!return_dtype) {
+	return 0;
+      }
+
+      List *parms = SwigType_parmlist(params_type);
+      List *param_dtypes = NewList();
+      for (Iterator it = First(parms); it.item; it = Next(it)) {
+	String *current_dtype = getPrimitiveDptype(node, it.item);
+	if (Cmp(current_dtype, "void") == 0) {
+	  // void somefunc(void) is legal syntax in C, but not in D, so simply
+	  // skip the void parameter.
+	  Delete(current_dtype);
+	  continue;
+	}
+	if (!current_dtype) {
+	  Delete(return_dtype);
+	  Delete(param_dtypes);
+	  return 0;
+	}
+	Append(param_dtypes, current_dtype);
+      }
+
+      String *param_list = NewString("");
+      {
+	bool gen_comma = false;
+	for (Iterator it = First(param_dtypes); it.item; it = Next(it)) {
+	  if (gen_comma) {
+	    Append(param_list, ", ");
+	  }
+	  Append(param_list, it.item);
+	  Delete(it.item);
+	  gen_comma = true;
+	}
+      }
+
+      dtype = NewStringf("%s.SwigExternC!(%s function(%s))", im_dmodule_fq_name,
+        return_dtype, param_list);
+      Delete(param_list);
+      Delete(param_dtypes);
+      Delete(return_dtype);
+    } else {
+      Hash *attributes = NewHash();
+      const String *tm =
+	lookupCodeTypemap(node, "dtype", stripped_type, WARN_NONE, attributes);
+      if(!GetFlag(attributes, "tmap:dtype:cprimitive")) {
+	dtype = 0;
+      } else {
+	dtype = Copy(tm);
+
+	// We need to call replaceClassname here with the stripped type to avoid
+	// $dclassname in the enum typemaps being replaced later with the full
+	// type.
+	replaceClassname(dtype, stripped_type);
+      }
+      Delete(attributes);
+    }
+    Delete(stripped_type);
+
+    if (!dtype) {
+      // The type passed is no primitive type.
+      return 0;
+    }
+
+    // The type is ultimately a primitive type, now append the right number of
+    // indirection levels (pointers).
+    for (int i = 0; i < indirection_count; ++i) {
+      Append(dtype, "*");
+    }
+
+    // Add a level of indirection for a mutable reference since it is wrapped
+    // as a pointer.
+    if (mutable_ref) {
+      Append(dtype, "*");
+    }
+
+    return dtype;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::lookupCodeTypemap()
+   *
+   * Looks up a D code fragment for generating the wrapper class for the given
+   * type.
+   *
+   * n - for input only and must contain info for Getfile(n) and Getline(n) to work
+   * tmap_method - typemap method name
+   * type - typemap type to lookup
+   * warning - warning number to issue if no typemaps found
+   * typemap_attributes - the typemap attributes are attached to this node and will
+   *   also be used for temporary storage if non null
+   * return is never NULL, unlike Swig_typemap_lookup()
+   * --------------------------------------------------------------------------- */
+  const String *lookupCodeTypemap(Node *n, const_String_or_char_ptr tmap_method,
+    SwigType *type, int warning, Node *typemap_attributes = 0) const {
+
+    Node *node = !typemap_attributes ? NewHash() : typemap_attributes;
+    Setattr(node, "type", type);
+    Setfile(node, Getfile(n));
+    Setline(node, Getline(n));
+    const String *tm = Swig_typemap_lookup(tmap_method, node, "", 0);
+    if (!tm) {
+      tm = empty_string;
+      if (warning != WARN_NONE) {
+	Swig_warning(warning, Getfile(n), Getline(n),
+	  "No %s typemap defined for %s\n", tmap_method, SwigType_str(type, 0));
+      }
+    }
+    if (!typemap_attributes) {
+      Delete(node);
+    }
+
+    return tm;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::lookupDTypemap()
+   *
+   * Looks up a D typemap for the given node, replacing D-specific special
+   * variables as needed.
+   *
+   * The method parameter specifies the typemap method to use. If attached is
+   * true, the value is just fetched from the tmap:<method> node attribute,
+   * Swig_typemap_lookup is used otherwise.
+   * --------------------------------------------------------------------------- */
+  String *lookupDTypemap(Node *n, const_String_or_char_ptr method, bool attached = false) {
+    String *result = 0;
+
+    if (attached) {
+      String *attr_name = NewStringf("tmap:%s", method);
+      result = Copy(Getattr(n, attr_name));
+      Delete(attr_name);
+    } else {
+      // FIXME: As a workaround for a bug so far only surfacing in the
+      // smart_pointer_const_overload test case, remove the nativepointer
+      // typemap attribute since it seems to be already there from a dout
+      // typemap of a different type in that test.
+      String *np_key = NewStringf("tmap:%s:nativepointer", method);
+      Delattr(n, np_key);
+      Delete(np_key);
+
+      result = Swig_typemap_lookup(method, n, "", 0);
+    }
+
+    if (!result) {
+      return 0;
+    }
+
+    // Check if the passed node actually has type information attached. This
+    // is not the case e.g. in constructorWrapper.
+    SwigType *type = Getattr(n, "type");
+    if (type) {
+      String *np_key = NewStringf("tmap:%s:nativepointer", method);
+      String *np_value = Getattr(n, np_key);
+      Delete(np_key);
+      String *dtype;
+      if (np_value && (dtype = getPrimitiveDptype(n, type))) {
+        // If the typemap in question has a »nativepointer« attribute and we
+        // are dealing with a primitive type, use it instead.
+        result = Copy(np_value);
+        Replaceall(result, "$dtype", dtype);
+      }
+
+      replaceClassname(result, type);
+    }
+
+    return result;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::replaceClassname()
+   *
+   * Replaces the special variable $dclassname with the proxy class name for
+   * classes/structs/unions SWIG knows about. Also substitutes the enumeration
+   * name for non-anonymous enums. Otherwise, $classname is replaced with a
+   * $descriptor(type)-like name.
+   *
+   * $*dclassname and $&classname work like with descriptors (see manual section
+   * 10.4.3), they remove a prointer from respectively add a pointer to the type.
+   *
+   * Inputs:
+   *   tm - String to perform the substitution at (will usually come from a
+   *        typemap.
+   *   pt - The type to substitute for the variables.
+   * Outputs:
+   *   tm - String with the variables substituted.
+   * Return:
+   *   substitution_performed - flag indicating if a substitution was performed
+   * --------------------------------------------------------------------------- */
+  bool replaceClassname(String *tm, SwigType *pt) {
+    bool substitution_performed = false;
+    SwigType *type = Copy(SwigType_typedef_resolve_all(pt));
+    SwigType *strippedtype = SwigType_strip_qualifiers(type);
+
+    if (Strstr(tm, "$dclassname")) {
+      SwigType *classnametype = Copy(strippedtype);
+      replaceClassnameVariable(tm, "$dclassname", classnametype);
+      substitution_performed = true;
+      Delete(classnametype);
+    }
+    if (Strstr(tm, "$*dclassname")) {
+      SwigType *classnametype = Copy(strippedtype);
+      Delete(SwigType_pop(classnametype));
+      replaceClassnameVariable(tm, "$*dclassname", classnametype);
+      substitution_performed = true;
+      Delete(classnametype);
+    }
+    if (Strstr(tm, "$&dclassname")) {
+      SwigType *classnametype = Copy(strippedtype);
+      SwigType_add_pointer(classnametype);
+      replaceClassnameVariable(tm, "$&dclassname", classnametype);
+      substitution_performed = true;
+      Delete(classnametype);
+    }
+
+    Delete(strippedtype);
+    Delete(type);
+
+    return substitution_performed;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::replaceClassnameVariable()
+   *
+   * See D::replaceClassname().
+   * --------------------------------------------------------------------------- */
+  void replaceClassnameVariable(String *target, const char *variable, SwigType *type) {
+    // TODO: Fix const-correctness of methods called in here and make type const.
+
+    // We make use of the fact that this function is called at least once for
+    // every type encountered which is written to a separate file, which allows
+    // us to handle imports here.
+    // When working in split proxy module mode, each generated proxy class/enum
+    // is written to a separate module. This requires us to add a corresponding
+    // import when a type is used in another generated module. If we are not
+    // working in split proxy module mode, this is not relevant and the
+    // generated module name is discarded.
+    String *type_name;
+
+    if (SwigType_isenum(type)) {
+      // RESEARCH: Make sure that we really cannot get here for anonymous enums.
+      Node *n = enumLookup(type);
+      if (n) {
+	String *enum_name = Getattr(n, "sym:name");
+
+	Node *p = parentNode(n);
+	if (p && !Strcmp(nodeType(p), "class")) {
+	  // This is a nested enum.
+	  String *parent_name = Getattr(p, "sym:name");
+	  String *nspace = Getattr(p, "sym:nspace");
+
+	  // An enum nested in a class is not written to a separate module (this
+	  // would not even be possible in D), so just import the parent.
+	  requireDType(nspace, parent_name);
+
+	  String *module = createModuleName(nspace, parent_name);
+	  if (inProxyModule(module)) {
+	    type_name = NewStringf("%s.%s", parent_name, enum_name);
+	  } else {
+	    type_name = NewStringf("%s%s.%s.%s", package, module, parent_name, enum_name);
+	  }
+	} else {
+	  // A non-nested enum is written to a separate module, import it.
+	  String *nspace = Getattr(n, "sym:nspace");
+	  requireDType(nspace, enum_name);
+
+	  String *module = createModuleName(nspace, enum_name);
+	  if (inProxyModule(module)) {
+	    type_name = Copy(enum_name);
+	  } else {
+	    type_name = NewStringf("%s%s.%s", package, module, enum_name);
+	  }
+	}
+      } else {
+	type_name = NewStringf("int");
+      }
+    } else {
+      Node *n = classLookup(type);
+      if (n) {
+	String *class_name = Getattr(n, "sym:name");
+	String *nspace = Getattr(n, "sym:nspace");
+	requireDType(nspace, class_name);
+
+	String *module = createModuleName(nspace, class_name);
+	if (inProxyModule(module)) {
+	  type_name = Copy(class_name);
+	} else {
+	  type_name = NewStringf("%s%s.%s", package, module, class_name);
+	}
+        Delete(module);
+      } else {
+	// SWIG does not know anything about the type (after resolving typedefs).
+	// Just mangle the type name string like $descriptor(type) would do.
+	String *descriptor = NewStringf("SWIGTYPE%s", SwigType_manglestr(type));
+	requireDType(NULL, descriptor);
+
+	String *module = createModuleName(NULL, descriptor);
+	if (inProxyModule(module)) {
+	  type_name = Copy(descriptor);
+	} else {
+	  type_name = NewStringf("%s%s.%s", package, module, descriptor);
+	}
+	Delete(module);
+
+	// Add to hash table so that a type wrapper class can be created later.
+	Setattr(unknown_types, descriptor, type);
+
+	Delete(descriptor);
+      }
+    }
+
+    Replaceall(target, variable, type_name);
+    Delete(type_name);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::createModuleName()
+   *
+   * Returns a string holding the name of the module to import to bring the
+   * given type in scope.
+   * --------------------------------------------------------------------------- */
+  String *createModuleName(const String *nspace, const String *type_name) const {
+    String *module;
+    if (nspace) {
+      module = NewStringf("%s.", nspace);
+      if (split_proxy_dmodule) {
+	Printv(module, type_name, NIL);
+      } else {
+	String *inner = createLastNamespaceName(nspace);
+	Printv(module, inner, NIL);
+	Delete(inner);
+      }
+    } else {
+      if (split_proxy_dmodule) {
+	module = Copy(type_name);
+      } else {
+	module = Copy(proxy_dmodule_name);
+      }
+    }
+    return module;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::replaceModuleVariables()
+   *
+   * Replaces the $imdmodule and $module variables with their values in the
+   * target string.
+   * --------------------------------------------------------------------------- */
+  void replaceModuleVariables(String *target) const {
+    Replaceall(target, "$imdmodule", im_dmodule_fq_name);
+    Replaceall(target, "$module", proxy_dmodule_name);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::replaceExcode()
+   *
+   * If a C++ method can throw a exception, additional code is added to the
+   * proxy method to check if an exception is pending so that it can be
+   * rethrown on the D side.
+   *
+   * This method replaces the $excode variable with the exception handling code
+   * in the excode typemap attribute if it »canthrow« an exception.
+   * --------------------------------------------------------------------------- */
+  void replaceExcode(Node *n, String *code, const String *typemap, Node *parameter) const {
+    String *excode_attribute = NewStringf("tmap:%s:excode", typemap);
+    String *excode = Getattr(parameter, excode_attribute);
+    if (Getattr(n, "d:canthrow")) {
+      int count = Replaceall(code, "$excode", excode);
+      if (count < 1 || !excode) {
+	Swig_warning(WARN_D_EXCODE_MISSING, input_file, line_number,
+	  "D exception may not be thrown – no $excode or excode attribute in '%s' typemap.\n",
+	  typemap);
+      }
+    } else {
+      Replaceall(code, "$excode", "");
+    }
+    Delete(excode_attribute);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::replaceImportTypeMacros()
+   *
+   * Replaces the $importtype(SomeDClass) macro with an import statement if it
+   * is required to get SomeDClass in scope for the currently generated proxy
+   * D module.
+   * --------------------------------------------------------------------------- */
+  void replaceImportTypeMacros(String *target) const {
+    // Code from replace_embedded_typemap.
+    char *start = 0;
+    while ((start = Strstr(target, "$importtype("))) {
+      char *end = 0;
+      char *param_start = 0;
+      char *param_end = 0;
+      int level = 0;
+      char *c = start;
+      while (*c) {
+	if (*c == '(') {
+	  if (level == 0) {
+	    param_start = c + 1;
+	  }
+	  level++;
+	}
+	if (*c == ')') {
+	  level--;
+	  if (level == 0) {
+	    param_end = c;
+	    end = c + 1;
+	    break;
+	  }
+	}
+	c++;
+      }
+
+      if (end) {
+	String *current_macro = NewStringWithSize(start, (int)(end - start));
+	String *current_param = NewStringWithSize(param_start, (int)(param_end - param_start));
+
+
+	if (inProxyModule(current_param)) {
+	  Replace(target, current_macro, "", DOH_REPLACE_ANY);
+	} else {
+	  String *import = createImportStatement(current_param, false);
+	  Replace(target, current_macro, import, DOH_REPLACE_ANY);
+	  Delete(import);
+	}
+
+	Delete(current_param);
+	Delete(current_macro);
+      } else {
+	String *current_macro = NewStringWithSize(start, (int)(c - start));
+	Swig_error(Getfile(target), Getline(target), "Syntax error in: %s\n", current_macro);
+	Replace(target, current_macro, "<error in $importtype macro>", DOH_REPLACE_ANY);
+	Delete(current_macro);
+      }
+    }
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::getOverloadedName()
+   * --------------------------------------------------------------------------- */
+  String *getOverloadedName(Node *n) const {
+    // A void* parameter is used for all wrapped classes in the wrapper code.
+    // Thus, the wrapper function names for overloaded functions are postfixed
+    // with a counter string to make them unique.
+    String *overloaded_name = Copy(Getattr(n, "sym:name"));
+
+    if (Getattr(n, "sym:overloaded")) {
+      Append(overloaded_name, Getattr(n, "sym:overname"));
+    }
+
+    return overloaded_name;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::createProxyName()
+   *
+   * Returns the D class name if a type corresponds to something wrapped with a
+   * proxy class, NULL otherwise.
+   * --------------------------------------------------------------------------- */
+  String *createProxyName(SwigType *t) {
+    String *proxyname = NULL;
+    Node *n = classLookup(t);
+    if (n) {
+      String *nspace = Getattr(n, "sym:nspace");
+      String *symname = Getattr(n, "sym:name");
+
+      String *module = createModuleName(nspace, symname);
+      if (inProxyModule(module)) {
+	proxyname = Copy(symname);
+      } else {
+	proxyname = NewStringf("%s%s.%s", package, module, symname);
+      }
+    }
+    return proxyname;
+  }
+
+  String *makeParameterName(Node *n, Parm *p, int arg_num, bool setter) const {
+    String *arg = Language::makeParameterName(n, p, arg_num, setter);
+
+    if (split_proxy_dmodule && Strncmp(arg, package, Len(arg)) == 0) {
+      // If we are in split proxy mode and the argument is named like the target
+      // package, we append an underscore to its name to avoid clashes.
+      Append(arg, "_");
+    }
+
+    return arg;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::canThrow()
+   *
+   * Determines whether the code in the typemap can throw a D exception.
+   * If so, note it for later when excodeSubstitute() is called.
+   * --------------------------------------------------------------------------- */
+  void canThrow(Node *n, const String *typemap, Node *parameter) const {
+    String *canthrow_attribute = NewStringf("tmap:%s:canthrow", typemap);
+    String *canthrow = Getattr(parameter, canthrow_attribute);
+    if (canthrow)
+      Setattr(n, "d:canthrow", "1");
+    Delete(canthrow_attribute);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::wrapMemberFunctionAsDConst()
+   *
+   * Determines whether the member function represented by the passed node is
+   * wrapped as D »const« or not.
+   * --------------------------------------------------------------------------- */
+  bool wrapMemberFunctionAsDConst(Node *n) const {
+    if (d_version == 1) return false;
+    if (static_flag) return false; // Never emit »const« for static member functions.
+    return GetFlag(n, "memberget") || SwigType_isconst(Getattr(n, "decl"));
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::areAllOverloadsOverridden()
+   *
+   * Determines whether the class the passed function node belongs to overrides
+   * all the overlaods for the passed function node defined somewhere up the
+   * inheritance hierarchy.
+   * --------------------------------------------------------------------------- */
+  bool areAllOverloadsOverridden(Node *n) const {
+    List *base_list = Getattr(parentNode(n), "bases");
+    if (!base_list) {
+      // If the class which contains n is not derived from any other class,
+      // there cannot be any not-overridden overloads.
+      return true;
+    }
+
+    // In case of multiple base classes, skip to the one which has not been
+    // ignored.
+    // RESEARCH: Also emit a warning in case of multiple inheritance here?
+    Iterator it = First(base_list);
+    while (it.item && GetFlag(it.item, "feature:ignore")) {
+      it = Next(it);
+    }
+    Node *base_class = it.item;
+
+    if (!base_class) {
+      // If all base classes have been ignored, there cannot be one either.
+      return true;
+    }
+
+    // We try to find at least a single overload which exists in the base class
+    // so we can progress up the inheritance hierarchy even if there have been
+    // new overloads introduced after the topmost class.
+    Node *base_function = NULL;
+    String *symname = Getattr(n, "sym:name");
+    if (symname) {
+      for (Node *tmp = firstChild(base_class); tmp; tmp = nextSibling(tmp)) {
+	String *child_symname = Getattr(tmp, "sym:name");
+	if (child_symname && (Strcmp(child_symname, symname) == 0)) {
+	  base_function = tmp;
+	  break;
+	}
+      }
+    }
+
+    if (!base_function) {
+      // If there is no overload which also exists in the super class, there
+      // cannot be any base class overloads not overridden.
+      return true;
+    }
+
+    size_t base_overload_count = 0;
+    for (Node *tmp = firstSibling(base_function); tmp; tmp = Getattr(tmp, "sym:nextSibling")) {
+      if (is_protected(base_function) &&
+	  !(Swig_director_mode() && Swig_director_protected_mode() && Swig_all_protected_mode())) {
+	// If the base class function is »protected« and were are not in
+	// director mode, it is not emitted to the base class and thus we do
+	// not count it. Otherwise, we would run into issues if the visibility
+	// of some functions was changed from protected to public in a child
+	// class with the using directive.
+	continue;
+      }
+      ++base_overload_count;
+    }
+
+    return ((base_overload_count <= overridingOverloadCount(n)) &&
+      areAllOverloadsOverridden(base_function));
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::overridingOverloadCount()
+   *
+   * Given a member function node, this function counts how many of the
+   * overloads of the function (including itself) override a function in the
+   * base class.
+   * --------------------------------------------------------------------------- */
+  size_t overridingOverloadCount(Node *n) const {
+    size_t result = 0;
+
+    Node *tmp = firstSibling(n);
+    do {
+      // KLUDGE: We also have to count the function if the access attribute is
+      // not present, since this means that it has been promoted into another
+      // protection level in the base class with the C++ »using« directive, and
+      // is thus taken into account when counting the base class overloads, even
+      // if it is not marked as »override« by the SWIG parser.
+      if (Getattr(n, "override") || !Getattr(n, "access")) {
+	++result;
+      }
+    } while((tmp = Getattr(tmp, "sym:nextSibling")));
+
+    return result;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::firstSibling()
+   *
+   * Returns the first sibling of the passed node.
+   * --------------------------------------------------------------------------- */
+  Node *firstSibling(Node *n) const {
+    Node *result = n;
+    while (Node *tmp = Getattr(result, "sym:previousSibling")) {
+      result = tmp;
+    }
+    return result;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::indentCode()
+   *
+   * Helper function to indent a code (string) by one level.
+   * --------------------------------------------------------------------------- */
+  void indentCode(String* code) const {
+    Replaceall(code, "\n", "\n  ");
+    Replaceall(code, "  \n", "\n");
+    Chop(code);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::emitBanner()
+   * --------------------------------------------------------------------------- */
+  void emitBanner(File *f) const {
+    Printf(f, "/* ----------------------------------------------------------------------------\n");
+    Swig_banner_target_lang(f, " *");
+    Printf(f, " * ----------------------------------------------------------------------------- */\n\n");
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::outputDirectory()
+   *
+   * Returns the directory to write the D modules for the given namespace to and
+   * and creates the subdirectory if it doesn't exist.
+   * --------------------------------------------------------------------------- */
+  String *outputDirectory(String *nspace) {
+    String *output_directory = Copy(dmodule_directory);
+    if (nspace) {
+      String *nspace_subdirectory = Copy(nspace);
+      Replaceall(nspace_subdirectory, ".", SWIG_FILE_DELIMITER);
+      String *newdir_error = Swig_new_subdirectory(output_directory, nspace_subdirectory);
+      if (newdir_error) {
+	Printf(stderr, "%s\n", newdir_error);
+	Delete(newdir_error);
+	Exit(EXIT_FAILURE);
+      }
+      Printv(output_directory, nspace_subdirectory, SWIG_FILE_DELIMITER, 0);
+      Delete(nspace_subdirectory);
+    }
+    return output_directory;
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::proxyCodeBuffer()
+   *
+   * Returns the buffer to write proxy code for the given namespace to.
+   * --------------------------------------------------------------------------- */
+  String *proxyCodeBuffer(String *nspace) {
+    if (!nspace) {
+      return proxy_dmodule_code;
+    }
+
+    Hash *hash = Getattr(nspace_proxy_dmodules, nspace);
+    if (!hash) {
+      hash = NewHash();
+      Setattr(hash, "code", NewString(""));
+      Setattr(hash, "imports", NewString(""));
+      Setattr(nspace_proxy_dmodules, nspace, hash);
+    }
+    return Getattr(hash, "code");
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::proxyCodeBuffer()
+   *
+   * Returns the buffer to write imports for the proxy code for the given
+   * namespace to.
+   * --------------------------------------------------------------------------- */
+  String *proxyImportsBuffer(String *nspace) {
+    if (!nspace) {
+      return proxy_dmodule_imports;
+    }
+
+    Hash *hash = Getattr(nspace_proxy_dmodules, nspace);
+    if (!hash) {
+      hash = NewHash();
+      Setattr(hash, "code", NewString(""));
+      Setattr(hash, "imports", NewString(""));
+      Setattr(nspace_proxy_dmodules, nspace, hash);
+    }
+    return Getattr(hash, "imports");
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::createFirstNamespaceName()
+   *
+   * Returns a new string containing the name of the outermost namespace, e.g.
+   * »A« for the argument »A.B.C«.
+   * --------------------------------------------------------------------------- */
+  String *createFirstNamespaceName(const String *nspace) const {
+    char *tmp = Char(nspace);
+    char *c = tmp;
+    char *co = 0;
+    if (!strstr(c, "."))
+      return 0;
+
+    co = c + Len(nspace);
+
+    while (*c && (c != co)) {
+      if (*c == '.') {
+	break;
+      }
+      c++;
+    }
+    if (!*c || (c == tmp)) {
+      return NULL;
+    }
+    return NewStringWithSize(tmp, (int)(c - tmp));
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::createLastNamespaceName()
+   *
+   * Returns a new string containing the name of the innermost namespace, e.g.
+   * »C« for the argument »A.B.C«.
+   * --------------------------------------------------------------------------- */
+  String *createLastNamespaceName(const String *nspace) const {
+    if (!nspace) return NULL;
+    char *c = Char(nspace);
+    char *cc = c;
+    if (!strstr(c, "."))
+      return NewString(nspace);
+
+    while (*c) {
+      if (*c == '.') {
+	cc = c;
+      }
+      ++c;
+    }
+    return NewString(cc + 1);
+  }
+
+  /* ---------------------------------------------------------------------------
+   * D::createOuterNamespaceNames()
+   *
+   * Returns a new string containing the name of the outer namespace, e.g.
+   * »A.B« for the argument »A.B.C«.
+   * --------------------------------------------------------------------------- */
+  String *createOuterNamespaceNames(const String *nspace) const {
+    if (!nspace) return NULL;
+    char *tmp = Char(nspace);
+    char *c = tmp;
+    char *cc = c;
+    if (!strstr(c, "."))
+      return NULL;
+
+    while (*c) {
+      if (*c == '.') {
+	cc = c;
+      }
+      ++c;
+    }
+    if (cc == tmp) {
+      return NULL;
+    }
+    return NewStringWithSize(tmp, (int)(cc - tmp));
+  }
+};
+
+static Language *new_swig_d() {
+  return new D();
+}
+
+/* -----------------------------------------------------------------------------
+ * swig_d()    - Instantiate module
+ * ----------------------------------------------------------------------------- */
+extern "C" Language *swig_d(void) {
+  return new_swig_d();
+}
+
+/* -----------------------------------------------------------------------------
+ * Usage information displayed at the command line.
+ * ----------------------------------------------------------------------------- */
+const char *D::usage = "\
+D Options (available with -d)\n\
+     -d2                  - Generate code for D2/Phobos (default: D1/Tango)\n\
+     -package <pkg>       - Write generated D modules into package <pkg>\n\
+     -splitproxy          - Write each D type to a dedicated file instead of\n\
+                            generating a single proxy D module.\n\
+     -wrapperlibrary <wl> - Set the name of the wrapper library to <wl>\n\
+\n";