tools/genmodule/oopsupport.c

   1 /*
   2     Copyright © 2005-2006, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Support functions for oop.library classes. Part of genmodule.
   6 */
   7 #include "genmodule.h"
   8 #include "oopsupport.h"
   9
  10 void writeoopincludes(FILE *out)
  11 {
  12     fprintf
  13     (
  14         out,
  15         "#include <proto/oop.h>\n"
  16         "#include <oop/oop.h>\n"
  17         "#include <hidd/hidd.h>\n"
  18         "\n"
  19     );
  20 }
  21
  22 void writeoopinit(FILE *out, struct classinfo *cl)
  23 {
  24     struct functionhead *methlistit;
  25     struct functionarg *arglistit;
  26     struct stringlist *interface;
  27     int methods;
  28     fprintf
  29     (
  30         out,
  31         "/* Initialisation routines of a OOP class */\n"
  32         "/* =======================================*/\n"
  33         "\n"
  34     );
  35
  36     if (cl->classdatatype == NULL)
  37         fprintf(out, "#   define %s_DATA_SIZE (0)\n", cl->basename);
  38     else
  39         fprintf
  40         (
  41              out,
  42              "#   define %s_DATA_SIZE (sizeof(%s))\n",
  43              cl->basename, cl->classdatatype
  44         );
  45
  46     /* Write defines of methods */
  47     writefuncdefs(out, NULL, cl->methlist);
  48
  49     fprintf
  50     (
  51         out,
  52         "\n"
  53         "\n"
  54         "/*** Library startup and shutdown *******************************************/\n"
  55         "static int OOP_%s_Startup(LIBBASETYPEPTR LIBBASE)\n"
  56         "{\n"
  57         "#ifdef GM_OOPBASE_FIELD\n"
  58         "    struct Library *OOPBase = GM_OOPBASE_FIELD(LIBBASE);\n"
  59         "#endif\n"
  60         "    OOP_AttrBase MetaAttrBase = OOP_ObtainAttrBase(IID_Meta);\n"
  61         "    OOP_Class *cl = NULL;\n"
  62         "\n",
  63         cl->basename
  64     );
  65
  66     /* Write variables initialization */
  67     for (methlistit = cl->methlist, interface = NULL, methods = 0;
  68          methlistit != NULL;
  69          methlistit = methlistit->next
  70     )
  71     {
  72         if (interface != methlistit->interface)
  73         {
  74             if (interface != NULL)
  75             {
  76                 /* Close the previous declaration */
  77                 fprintf(out,
  78                         "        {NULL, 0}\n"
  79                         "    };\n"
  80                         "#define NUM_%s_%s_METHODS %d\n"
  81                         "\n",
  82                         cl->basename, interface->s, methods
  83                 );
  84             }
  85
  86             /* Start new MethodDescr declaration */
  87             fprintf(out, "    struct OOP_MethodDescr %s_%s_descr[] =\n    {\n",
  88                     cl->basename, methlistit->interface->s
  89             );
  90             methods = 1;
  91             interface = methlistit->interface;
  92         }
  93         else
  94             methods++;
  95
  96         fprintf(out, "        {(OOP_MethodFunc)%s, %s},\n",
  97                 methlistit->internalname, methlistit->method
  98         );
  99     }
 100     if (methods) {
 101         /* Close the last declaration */
 102         fprintf(out,
 103                 "        {NULL, 0}\n"
 104                 "    };\n"
 105                 "#define NUM_%s_%s_METHODS %d\n"
 106                 "\n",
 107                 cl->basename, interface->s, methods
 108         );
 109     }
 110
 111     /* Write the interface description */
 112     fprintf(out, "    struct OOP_InterfaceDescr %s_ifdescr[] =\n    {\n", cl->basename);
 113     for (interface = cl->interfaces; interface != NULL; interface = interface->next)
 114     {
 115         fprintf(out,
 116                 "        {%s_%s_descr, IID_%s, NUM_%s_%s_METHODS},\n",
 117                 cl->basename, interface->s,
 118                 interface->s,
 119                 cl->basename, interface->s
 120         );
 121     }
 122     fprintf(out,
 123             "        {NULL, NULL}\n"
 124             "    };\n"
 125             "\n"
 126     );
 127
 128     /* Write the class creation TagList */
 129     fprintf(out,
 130             "    struct TagItem %s_tags[] =\n"
 131             "    {\n",
 132             cl->basename
 133     );
 134     if (cl->superclass != NULL)
 135         fprintf(out,
 136                 "        {aMeta_SuperID, (IPTR)%s},\n",
 137                 cl->superclass
 138         );
 139     else if (cl->superclass_field != NULL)
 140         fprintf(out,
 141                 "        {aMeta_SuperPtr, (IPTR)LIBBASE->%s},\n",
 142                 cl->superclass_field
 143         );
 144     else
 145     {
 146         fprintf(stderr, "Internal error: both superclass and superclass_field are NULL\n");
 147         exit(20);
 148     }
 149
 150     fprintf(out,
 151             "        {aMeta_InterfaceDescr, (IPTR)%s_ifdescr},\n"
 152             "        {aMeta_InstSize, (IPTR)%s_DATA_SIZE},\n",
 153             cl->basename,
 154             cl->basename
 155     );
 156     if (cl->classid != NULL)
 157         fprintf(out,
 158                 "        {aMeta_ID, (IPTR)%s},\n",
 159                 cl->classid
 160         );
 161     fprintf(out, "        {TAG_DONE, (IPTR)0}\n    };\n");
 162
 163     /* Write class constructor */
 164     fprintf
 165     (
 166         out,
 167         "\n"
 168         "    if (MetaAttrBase == 0)\n"
 169         "        return FALSE;\n"
 170         "\n"
 171         "    cl = OOP_NewObject(NULL, CLID_HiddMeta, %s_tags);\n"
 172         "    if (cl != NULL)\n"
 173         "    {\n"
 174         "        cl->UserData = (APTR)LIBBASE;\n"
 175         "        %s_CLASSPTR_FIELD(LIBBASE) = cl;\n"
 176         "        OOP_AddClass(cl);\n"
 177         "    }\n"
 178         "\n"
 179         "    OOP_ReleaseAttrBase(IID_Meta);\n"
 180         "    return cl != NULL;\n"
 181         "}\n",
 182         cl->basename,
 183         cl->basename
 184     );
 185
 186     /* Write class destructor */
 187     fprintf
 188     (
 189         out,
 190         "static void OOP_%s_Shutdown(LIBBASETYPEPTR LIBBASE)\n"
 191         "{\n"
 192         "#ifdef GM_OOPBASE_FIELD\n"
 193         "    struct Library *OOPBase = GM_OOPBASE_FIELD(LIBBASE);\n"
 194         "#endif\n"
 195         "    if (%s_CLASSPTR_FIELD(LIBBASE) != NULL)\n"
 196         "    {\n"
 197         "        OOP_RemoveClass(%s_CLASSPTR_FIELD(LIBBASE));\n"
 198         "        OOP_DisposeObject((OOP_Object *)%s_CLASSPTR_FIELD(LIBBASE));\n"
 199         "    }\n"
 200         "\n"
 201 //        "    return TRUE;\n"
 202         "}\n",
 203         cl->basename,
 204         cl->basename,
 205         cl->basename,
 206         cl->basename
 207     );
 208
 209     fprintf
 210     (
 211         out,
 212         "ADD2INITCLASSES(OOP_%s_Startup, %d);\n"
 213         "ADD2EXPUNGECLASSES(OOP_%s_Shutdown, %d);\n",
 214         cl->basename, -cl->initpri,
 215         cl->basename, -cl->initpri
 216     );
 217 }