Exemplo n.º 1
0
int Swig_VargetToFunction(Node *n, int flags) {
    String *cres, *call;
    String *name;
    SwigType *type;
    SwigType *ty = 0;

    int varcref = flags & CWRAP_NATURAL_VAR;

    name = Getattr(n, "name");
    type = Getattr(n, "type");
    ty = Swig_wrapped_var_type(type, varcref);

    if (flags & CWRAP_EXTEND) {
        String *sname = Swig_name_get(name);
        String *mangled = Swig_name_mangle(sname);
        call = Swig_cfunction_call(mangled, 0);
        cres = Swig_cresult(ty, "result", call);
        Setattr(n, "wrap:action", cres);
        Delete(mangled);
        Delete(sname);
    } else {
        String *nname = SwigType_namestr(name);
        call = Swig_wrapped_var_assign(type, nname, varcref);
        cres = Swig_cresult(ty, "result", call);
        Setattr(n, "wrap:action", cres);
        Delete(nname);
    }

    Setattr(n, "type", ty);
    Delattr(n, "parms");
    Delete(cres);
    Delete(call);
    Delete(ty);
    return SWIG_OK;
}
Exemplo n.º 2
0
int
Swig_MembergetToFunction(Node *n, String *classname, int flags) {
  String   *name;
  ParmList *parms;
  SwigType *t;
  SwigType *ty;
  SwigType *type;
  String   *membername;
  String   *mangled;
  String   *self = 0;

  if (flags & CWRAP_SMART_POINTER) {
    self = NewString("(*this)->");
  }

  name = Getattr(n,"name");
  type = Getattr(n,"type");

  membername = Swig_name_member(classname, Swig_name_get(name));
  mangled = Swig_name_mangle(membername);

  t = NewString(classname);
  SwigType_add_pointer(t);
  parms = NewParm(t,"self");
  Delete(t);

  ty = Swig_wrapped_var_type(type);
  if (flags & CWRAP_EXTEND) {
    String *code = Getattr(n,"code");
    if (code) {
      String *tmp = NewStringf("%s(%s)", mangled, ParmList_str(parms));
      String *s = SwigType_str(ty,tmp);
      Delete(tmp);
      Printv(s,code,"\n",NIL);
      Setattr(n,"wrap:code",s);
      Delete(s);
    }
    Setattr(n,"wrap:action", Swig_cresult(ty,"result",Swig_cfunction_call(mangled,parms)));
  } else {
    Setattr(n,"wrap:action", Swig_cresult(ty,"result",Swig_cmemberget_call(name,type,self)));
  }
  Setattr(n,"type",ty);
  Setattr(n,"parms", parms);
  Delete(parms);
  Delete(ty);
  Delete(membername);
  Delete(mangled);
  return SWIG_OK;
}
Exemplo n.º 3
0
int
Swig_VargetToFunction(Node *n) {
  String   *name, *nname;
  SwigType *type, *ty;

  name = Getattr(n,"name");
  type = Getattr(n,"type");

  nname = SwigType_namestr(name);
  ty = Swig_wrapped_var_type(type);

  Setattr(n,"wrap:action", Swig_cresult(ty,"result",Swig_wrapped_var_assign(type,nname)));
  Setattr(n,"type",ty);
  Delattr(n,"parms");
  Delete(nname);
  Delete(ty);
  return SWIG_OK;
}
int Swig_VargetToFunction(Node *n, int flags) {
  String *cres, *call;
  String *name, *nname;
  SwigType *type, *ty;

  int varcref = flags & CWRAP_NATURAL_VAR;

  name = Getattr(n, k_name);
  type = Getattr(n, k_type);

  nname = SwigType_namestr(name);
  ty = Swig_wrapped_var_type(type, varcref);
  call = Swig_wrapped_var_assign(type, nname, varcref);
  cres = Swig_cresult(ty, k_result, call);
  Setattr(n, k_wrapaction, cres);
  Delete(cres);
  Delete(call);
  Setattr(n, k_type, ty);
  Delattr(n, k_parms);
  Delete(nname);
  Delete(ty);
  return SWIG_OK;
}
int Swig_MethodToFunction(Node *n, String *classname, int flags, SwigType *director_type, int is_director) {
  String *name, *qualifier;
  ParmList *parms;
  SwigType *type;
  Parm *p;
  String *self = 0;

  /* If smart pointer, change self dereferencing */
  if (flags & CWRAP_SMART_POINTER) {
    self = NewString("(*this)->");
  }

  /* If node is a member template expansion, we don't allow added code */
  if (Getattr(n, k_templatetype))
    flags &= ~(CWRAP_EXTEND);

  name = Getattr(n, k_name);
  qualifier = Getattr(n, k_qualifier);
  parms = CopyParmList(nonvoid_parms(Getattr(n, k_parms)));

  type = NewString(classname);
  if (qualifier) {
    SwigType_push(type, qualifier);
  }
  SwigType_add_pointer(type);
  p = NewParm(type, k_self);
  Setattr(p, k_self, "1");
  Setattr(p, k_hidden, "1");
  /*
     Disable the 'this' ownership in 'self' to manage inplace
     operations like:

     A& A::operator+=(int i) { ...; return *this;}

     Here the 'self' parameter ownership needs to be disabled since
     there could be two objects sharing the same 'this' pointer: the
     input and the result one. And worse, the pointer could be deleted
     in one of the objects (input), leaving the other (output) with
     just a seg. fault to happen.

     To avoid the previous problem, use

     %feature("self:disown") *::operator+=;
     %feature("new") *::operator+=;

     These two lines just transfer the ownership of the 'this' pointer
     from the input to the output wrapping object.

     This happens in python, but may also happens in other target
     languages.
   */
  if (GetFlag(n, "feature:self:disown")) {
    Setattr(p, k_wrapdisown, "1");
  }
  set_nextSibling(p, parms);
  Delete(type);

  /* Generate action code for the access */
  if (!(flags & CWRAP_EXTEND)) {
    String *explicit_qualifier = 0;
    String *call = 0;
    String *cres = 0;
    String *explicitcall_name = 0;
    int pure_virtual = !(Cmp(Getattr(n, k_storage), "virtual")) && !(Cmp(Getattr(n, k_value), "0"));

    /* Call the explicit method rather than allow for a polymorphic call */
    if ((flags & CWRAP_DIRECTOR_TWO_CALLS) || (flags & CWRAP_DIRECTOR_ONE_CALL)) {
      String *access = Getattr(n, "access");
      if (access && (Cmp(access, "protected") == 0)) {
	/* If protected access (can only be if a director method) then call the extra public accessor method (language module must provide this) */
	String *explicit_qualifier_tmp = SwigType_namestr(Getattr(Getattr(parentNode(n), "typescope"), k_qname));
	explicitcall_name = NewStringf("%sSwigPublic", name);
	explicit_qualifier = NewStringf("SwigDirector_%s", explicit_qualifier_tmp);
	Delete(explicit_qualifier_tmp);
      } else {
	explicit_qualifier = SwigType_namestr(Getattr(Getattr(parentNode(n), "typescope"), k_qname));
      }
    }

    call = Swig_cmethod_call(explicitcall_name ? explicitcall_name : name, p, self, explicit_qualifier, director_type);
    cres = Swig_cresult(Getattr(n, k_type), k_result, call);

    if (pure_virtual && is_director && (flags & CWRAP_DIRECTOR_TWO_CALLS)) {
      String *qualifier = SwigType_namestr(Getattr(Getattr(parentNode(n), "typescope"), k_qname));
      Delete(cres);
      cres = NewStringf("Swig::DirectorPureVirtualException::raise(\"%s::%s\");", qualifier, name);
      Delete(qualifier);
    }

    if (flags & CWRAP_DIRECTOR_TWO_CALLS) {
      /* Create two method calls, one to call the explicit method, the other a normal polymorphic function call */
      String *cres_both_calls = NewStringf("");
      String *call_extra = Swig_cmethod_call(name, p, self, 0, director_type);
      String *cres_extra = Swig_cresult(Getattr(n, k_type), k_result, call_extra);
      Printv(cres_both_calls, "if (upcall) {\n", cres, "\n", "} else {", cres_extra, "\n}", NIL);
      Setattr(n, k_wrapaction, cres_both_calls);
      Delete(cres_extra);
      Delete(call_extra);
      Delete(cres_both_calls);
    } else {
      Setattr(n, k_wrapaction, cres);
    }

    Delete(explicitcall_name);
    Delete(call);
    Delete(cres);
    Delete(explicit_qualifier);
  } else {
    /* Methods with default arguments are wrapped with additional methods for each default argument,
     * however, only one extra %extend method is generated. */

    String *defaultargs = Getattr(n, k_defaultargs);
    String *code = Getattr(n, k_code);
    String *cname = Getattr(n, k_classname) ? Getattr(n, k_classname) : classname;
    String *membername = Swig_name_member(cname, name);
    String *mangled = Swig_name_mangle(membername);
    int is_smart_pointer = flags & CWRAP_SMART_POINTER;

    type = Getattr(n, k_type);

    /* Check if the method is overloaded.   If so, and it has code attached, we append an extra suffix
       to avoid a name-clash in the generated wrappers.  This allows overloaded methods to be defined
       in C. */
    if (Getattr(n, k_symoverloaded) && code) {
      Append(mangled, Getattr(defaultargs ? defaultargs : n, k_symovername));
    }

    /* See if there is any code that we need to emit */
    if (!defaultargs && code && !is_smart_pointer) {
      Swig_add_extension_code(n, mangled, p, type, code, cparse_cplusplus, k_self);
    }
    if (is_smart_pointer) {
      int i = 0;
      Parm *pp = p;
      String *func = NewStringf("%s(", mangled);
      String *cres;

      if (Cmp(Getattr(n, k_storage), k_static) != 0) {
	String *pname = Swig_cparm_name(pp, i);
        String *ctname = SwigType_namestr(cname);
	String *fadd = NewStringf("(%s*)(%s)->operator ->()", ctname, pname);
	Append(func, fadd);
        Delete(ctname);
	Delete(fadd);
	Delete(pname);
	pp = nextSibling(pp);
	if (pp)
	  Append(func, ",");
      } else {
	pp = nextSibling(pp);
      }
      ++i;
      while (pp) {
	SwigType *pt = Getattr(pp, k_type);
	if ((SwigType_type(pt) != T_VOID)) {
	  String *pname = Swig_cparm_name(pp, i++);
	  String *rcaststr = SwigType_rcaststr(pt, pname);
	  Append(func, rcaststr);
	  Delete(rcaststr);
	  Delete(pname);
	  pp = nextSibling(pp);
	  if (pp)
	    Append(func, ",");
	}
      }
      Append(func, ")");
      cres = Swig_cresult(Getattr(n, k_type), k_result, func);
      Setattr(n, k_wrapaction, cres);
      Delete(cres);
    } else {
      String *call = Swig_cfunction_call(mangled, p);
      String *cres = Swig_cresult(Getattr(n, k_type), k_result, call);
      Setattr(n, k_wrapaction, cres);
      Delete(call);
      Delete(cres);
    }

    Delete(membername);
    Delete(mangled);
  }
  Setattr(n, k_parms, p);
  Delete(p);
  Delete(self);
  Delete(parms);
  return SWIG_OK;
}
int Swig_MembergetToFunction(Node *n, String *classname, int flags) {
  String *name;
  ParmList *parms;
  SwigType *t;
  SwigType *ty;
  SwigType *type;
  String *membername;
  String *mangled;
  String *self = 0;
  String *gname;

  int varcref = flags & CWRAP_NATURAL_VAR;

  if (flags & CWRAP_SMART_POINTER) {
    if (checkAttribute(n, k_storage, k_static)) {
      Node *sn = Getattr(n, k_cplusstaticbase);
      String *base = Getattr(sn, k_name);
      self = NewStringf("%s::", base);
    } else {
      self = NewString("(*this)->");
    }
  }

  name = Getattr(n, k_name);
  type = Getattr(n, k_type);

  gname = Swig_name_get(name);
  membername = Swig_name_member(classname, gname);
  mangled = Swig_name_mangle(membername);

  t = NewString(classname);
  SwigType_add_pointer(t);
  parms = NewParm(t, k_self);
  Setattr(parms, k_self, "1");
  Setattr(parms, k_hidden, "1");
  Delete(t);

  ty = Swig_wrapped_member_var_type(type, varcref);
  if (flags & CWRAP_EXTEND) {
    String *call;
    String *cres;

    String *code = Getattr(n, k_code);
    if (code) {
      Swig_add_extension_code(n, mangled, parms, ty, code, cparse_cplusplus, k_self);
    }
    call = Swig_cfunction_call(mangled, parms);
    cres = Swig_cresult(ty, k_result, call);
    Setattr(n, k_wrapaction, cres);
    Delete(cres);
    Delete(call);
  } else {
    String *call = Swig_cmemberget_call(name, type, self, varcref);
    String *cres = Swig_cresult(ty, k_result, call);
    Setattr(n, k_wrapaction, cres);
    Delete(call);
    Delete(cres);
  }
  Setattr(n, k_type, ty);
  Setattr(n, k_parms, parms);
  Delete(parms);
  Delete(ty);
  Delete(membername);
  Delete(gname);
  Delete(mangled);

  return SWIG_OK;
}
int Swig_ConstructorToFunction(Node *n, String *classname, String *none_comparison, String *director_ctor, int cplus, int flags) {
  ParmList *parms;
  Parm *prefix_args;
  Parm *p;
  ParmList *directorparms;
  SwigType *type;
  Node *classNode;
  int use_director;

  classNode = Swig_methodclass(n);
  use_director = Swig_directorclass(n);

  parms = CopyParmList(nonvoid_parms(Getattr(n, k_parms)));

  /* Prepend the list of prefix_args (if any) */
  prefix_args = Getattr(n, k_directorprefixargs);
  if (prefix_args != NIL) {
    Parm *p2, *p3;

    directorparms = CopyParmList(prefix_args);
    for (p = directorparms; nextSibling(p); p = nextSibling(p));
    for (p2 = parms; p2; p2 = nextSibling(p2)) {
      p3 = CopyParm(p2);
      set_nextSibling(p, p3);
      Delete(p3);
      p = p3;
    }
  } else
    directorparms = parms;

  type = NewString(classname);
  SwigType_add_pointer(type);

  if (flags & CWRAP_EXTEND) {
    /* Constructors with default arguments are wrapped with additional constructor methods for each default argument,
     * however, only one extra %extend method is generated. */
    String *call;
    String *cres;
    String *defaultargs = Getattr(n, k_defaultargs);
    String *code = Getattr(n, k_code);
    String *membername = Swig_name_construct(classname);
    String *mangled = Swig_name_mangle(membername);

    /* Check if the constructor is overloaded.   If so, and it has code attached, we append an extra suffix
       to avoid a name-clash in the generated wrappers.  This allows overloaded constructors to be defined
       in C. */
    if (Getattr(n, k_symoverloaded) && code) {
      Append(mangled, Getattr(defaultargs ? defaultargs : n, k_symovername));
    }

    /* See if there is any code that we need to emit */
    if (!defaultargs && code) {
      Swig_add_extension_code(n, mangled, parms, type, code, cparse_cplusplus, k_self);
    }

    call = Swig_cfunction_call(mangled, parms);
    cres = Swig_cresult(type, k_result, call);
    Setattr(n, k_wrapaction, cres);
    Delete(cres);
    Delete(call);
    Delete(membername);
    Delete(mangled);
  } else {
    if (cplus) {
      /* if a C++ director class exists, create it rather than the original class */
      if (use_director) {
	Node *parent = Swig_methodclass(n);
	int abstract = Getattr(parent, k_abstract) != 0;
	String *name = Getattr(parent, k_symname);
	String *directorname = NewStringf("SwigDirector_%s", name);
	String *action = NewStringEmpty();
	String *tmp_none_comparison = Copy(none_comparison);
	String *director_call;
	String *nodirector_call;

	Replaceall(tmp_none_comparison, "$arg", "arg1");

	director_call = Swig_cppconstructor_director_call(directorname, directorparms);
	nodirector_call = Swig_cppconstructor_nodirector_call(classname, parms);

	if (abstract) {
	  /* whether or not the abstract class has been subclassed in python,
	   * create a director instance (there's no way to create a normal
	   * instance).  if any of the pure virtual methods haven't been
	   * implemented in the target language, calls to those methods will
	   * generate Swig::DirectorPureVirtualException exceptions.
	   */
	  String *cres = Swig_cresult(type, k_result, director_call);
	  Append(action, cres);
	  Delete(cres);
	} else {
	  /* (scottm): The code for creating a new director is now a string
	     template that gets passed in via the director_ctor argument.

	     $comparison : an 'if' comparison from none_comparison
	     $director_new: Call new for director class
	     $nondirector_new: Call new for non-director class
	   */
	  String *cres;
	  Append(action, director_ctor);
	  Replaceall(action, "$comparison", tmp_none_comparison);

	  cres = Swig_cresult(type, k_result, director_call);
	  Replaceall(action, "$director_new", cres);
	  Delete(cres);

	  cres = Swig_cresult(type, k_result, nodirector_call);
	  Replaceall(action, "$nondirector_new", cres);
	  Delete(cres);
	}
	Setattr(n, k_wrapaction, action);
	Delete(tmp_none_comparison);
	Delete(action);
	Delete(directorname);
      } else {
	String *call = Swig_cppconstructor_call(classname, parms);
	String *cres = Swig_cresult(type, k_result, call);
	Setattr(n, k_wrapaction, cres);
	Delete(cres);
	Delete(call);
      }
    } else {
      String *call = Swig_cconstructor_call(classname);
      String *cres = Swig_cresult(type, k_result, call);
      Setattr(n, k_wrapaction, cres);
      Delete(cres);
      Delete(call);
    }
  }
  Setattr(n, k_type, type);
  Setattr(n, k_parms, parms);
  Delete(type);
  if (directorparms != parms)
    Delete(directorparms);
  Delete(parms);
  return SWIG_OK;
}
Exemplo n.º 8
0
int Swig_MembergetToFunction(Node *n, String *classname, int flags) {
    String *name;
    ParmList *parms;
    SwigType *t;
    SwigType *ty;
    SwigType *type;
    String *membername;
    String *mangled;
    String *self = 0;
    String *gname;

    int varcref = flags & CWRAP_NATURAL_VAR;

    if (flags & CWRAP_SMART_POINTER) {
        if (checkAttribute(n, "storage", "static")) {
            Node *sn = Getattr(n, "cplus:staticbase");
            String *base = Getattr(sn, "name");
            self = NewStringf("%s::", base);
        } else {
            self = NewString("(*this)->");
        }
    }
    if (flags & CWRAP_ALL_PROTECTED_ACCESS) {
        self = NewStringf("darg->");
    }

    name = Getattr(n, "name");
    type = Getattr(n, "type");

    gname = Swig_name_get(name);
    membername = Swig_name_member(classname, gname);
    mangled = Swig_name_mangle(membername);

    t = NewString(classname);
    SwigType_add_pointer(t);
    parms = NewParm(t, "self");
    Setattr(parms, "self", "1");
    Setattr(parms, "hidden","1");
    Delete(t);

    ty = Swig_wrapped_member_var_type(type, varcref);
    if (flags & CWRAP_EXTEND) {
        String *call;
        String *cres;

        String *code = Getattr(n, "code");
        if (code) {
            /* I don't think this ever gets run - WSF */
            Swig_add_extension_code(n, mangled, parms, ty, code, cparse_cplusplus, "self");
        }
        call = Swig_cfunction_call(mangled, parms);
        cres = Swig_cresult(ty, "result", call);
        Setattr(n, "wrap:action", cres);
        Delete(cres);
        Delete(call);
    } else {
        String *call = Swig_cmemberget_call(name, type, self, varcref);
        String *cres = Swig_cresult(ty, "result", call);
        Setattr(n, "wrap:action", cres);
        Delete(call);
        Delete(cres);
    }
    Setattr(n, "type", ty);
    Setattr(n, "parms", parms);
    Delete(parms);
    Delete(ty);
    Delete(membername);
    Delete(gname);
    Delete(mangled);

    return SWIG_OK;
}
Exemplo n.º 9
0
int
Swig_ConstructorToFunction(Node *n, String *classname, 
			   String *none_comparison, String *director_ctor, int cplus, int flags)
{
  ParmList *parms;
  Parm     *prefix_args;
  Parm     *postfix_args;
  Parm     *p;
  ParmList *directorparms;
  SwigType *type;
  String   *membername;
  String   *mangled;
  Node     *classNode;
  int      use_director;
  
  classNode = Swig_methodclass(n);
  use_director = Swig_directorclass(n);

  membername = Swig_name_construct(classname);
  mangled = Swig_name_mangle(membername);

  parms = CopyParmList(nonvoid_parms(Getattr(n,"parms")));

  /* Prepend the list of prefix_args (if any) */
  prefix_args = Getattr(n,"director:prefix_args");
  if (prefix_args != NIL) {
    Parm *p2, *p3;

    directorparms = CopyParmList(prefix_args);
    for (p = directorparms; nextSibling(p); p = nextSibling(p));
    for (p2 = parms; p2; p2 = nextSibling(p2)) {
      p3 = CopyParm(p2);
      set_nextSibling(p, p3);
      p = p3;
    }
  } else
    directorparms = parms;

  postfix_args = Getattr(n,"director:postfix_args");
  if (postfix_args != NIL) {
    Parm *p2, *p3, *p4;

    if (prefix_args == NIL) /* no prefix args from above. */
      directorparms = CopyParmList(parms);

    if (directorparms != NIL) {
      p2 = directorparms;
      for ( ; nextSibling(p2); p2 = nextSibling(p2));
      for (p3 = postfix_args; p3; p3 = nextSibling(p3)) {
        p4 = CopyParm(p3);
        set_nextSibling(p2, p4);
        p2 = p4;
      }
    } else
      directorparms = CopyParmList(postfix_args);
  }

  type  = NewString(classname);
  SwigType_add_pointer(type);

  if (flags & CWRAP_EXTEND) {
    String *code = Getattr(n,"code");
    if (code) {
      String *wrap, *s;
      if (Getattr(n,"sym:overloaded") && code) {
	Append(mangled,Getattr(n,"sym:overname"));
      }
      s = NewStringf("%s(%s)", mangled, ParmList_str(parms));
      wrap = SwigType_str(type,s);
      Delete(s);
      Printv(wrap,code,"\n",NIL);
      Setattr(n,"wrap:code",wrap);
      Delete(wrap);
    }
    Setattr(n,"wrap:action", Swig_cresult(type,"result", Swig_cfunction_call(mangled,parms)));
  } else {
    if (cplus) {
      /* if a C++ director class exists, create it rather than the original class */
      if (use_director) {
  	int abstract = Getattr(n, "abstract") != 0;
	Node *parent = Swig_methodclass(n);
	String *name = Getattr(parent, "sym:name");
        String* directorname = NewStringf("SwigDirector_%s", name);
	String* action = NewString("");
	String* tmp_none_comparison = Copy(none_comparison);
	String* director_call;
	String* nodirector_call;
	
	Replaceall( tmp_none_comparison, "$arg", "arg1" );

	director_call = Swig_cppconstructor_director_call(directorname, directorparms);
	nodirector_call = Swig_cppconstructor_nodirector_call(classname, parms);

	if (abstract) {
	  /* whether or not the abstract class has been subclassed in python,
	   * create a director instance (there's no way to create a normal
	   * instance).  if any of the pure virtual methods haven't been
	   * implemented in the target language, calls to those methods will
	   * generate Swig::DirectorPureVirtualException exceptions.
	   */
	  Printv(action, Swig_cresult(type, "result", director_call), NIL);
	} else {
	  /* (scottm): The code for creating a new director is now a string
	     template that gets passed in via the director_ctor argument.

	     $comparison : an 'if' comparison from none_comparison
	     $director_new: Call new for director class
	     $nondirector_new: Call new for non-director class
	   */
	  Printv(action, director_ctor, NIL);
	  Replaceall( action, "$comparison", tmp_none_comparison);
	  Replaceall( action, "$director_new", 
		      Swig_cresult(type, "result", director_call) );
	  Replaceall( action, "$nondirector_new", 
		      Swig_cresult(type, "result", nodirector_call) );
	}
	Setattr(n, "wrap:action", action);
	Delete(tmp_none_comparison);
	Delete(action);
        Delete(directorname);
      } else {
        Setattr(n,"wrap:action", Swig_cresult(type,"result", Swig_cppconstructor_call(classname,parms)));
      }
    } else {
      Setattr(n,"wrap:action", Swig_cresult(type,"result", Swig_cconstructor_call(classname)));
    }
  }
  Setattr(n,"type",type);
  Setattr(n,"parms", parms);
  Delete(type);
  if (directorparms != parms)
    Delete(directorparms);
  Delete(parms);
  Delete(mangled);
  Delete(membername);
  return SWIG_OK;
}
Exemplo n.º 10
0
int
Swig_MethodToFunction(Node *n, String *classname, int flags) {
  String   *name, *qualifier;
  ParmList *parms;
  SwigType *type;
  Parm     *p;
  String   *self = 0;

  /* If smart pointer, change self derefencing */
  if (flags & CWRAP_SMART_POINTER) {
    self = NewString("(*this)->");
  }
  /* If node is a member template expansion, we don't allow added code */

  if (Getattr(n,"templatetype")) flags &= ~(CWRAP_EXTEND);

  name      = Getattr(n,"name");
  qualifier = Getattr(n,"qualifier");
  parms     = CopyParmList(nonvoid_parms(Getattr(n,"parms")));
 
  type = NewString(classname);
  if (qualifier) {
    SwigType_push(type,qualifier);
  }
  SwigType_add_pointer(type);
  p = NewParm(type,"self");
  Setattr(p,"hidden","1");
  set_nextSibling(p,parms);
  Delete(type);
  
  /* Generate action code for the access */
  if (!(flags & CWRAP_EXTEND)) {
    Setattr(n,"wrap:action", Swig_cresult(Getattr(n,"type"),"result", Swig_cmethod_call(name,p,self)));
  } else {
    String *code;
    String *mangled;
    String *membername = Swig_name_member(classname, name);
    mangled = Swig_name_mangle(membername);

    code = Getattr(n,"code");
    type = Getattr(n,"type");

    /* Check if the method is overloaded.   If so, and it has code attached, we append an extra suffix
       to avoid a name-clash in the generated wrappers.  This allows overloaded methods to be defined
       in C. */

    if (Getattr(n,"sym:overloaded") && code) {
      Append(mangled,Getattr(n,"sym:overname"));
    }

    Setattr(n,"wrap:action", Swig_cresult(Getattr(n,"type"),"result", Swig_cfunction_call(mangled,p)));

    /* See if there is any code that we need to emit */
    if (code) {
      String *body;
      String *tmp = NewStringf("%s(%s)", mangled, ParmList_str(p));
      body = SwigType_str(type,tmp);
      Delete(tmp);
      Printv(body,code,"\n",NIL);
      Setattr(n,"wrap:code",body);
    }
    Delete(membername);
    Delete(mangled);
  }
  Setattr(n,"parms",p);
  Delete(p);
  Delete(self);
  return SWIG_OK;
}