tools/genmodule/boopsisupport.c

   1 /*
   2     Copyright © 1995-2006, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Support function for generating code for BOOPSI classes. Part of genmodule.
   6 */
   7 #include "config.h"
   8 #include "functionhead.h"
   9 #include "boopsisupport.h"
  10
  11 void writeboopsiincludes(FILE *out)
  12 {
  13     fprintf
  14     (
  15         out,
  16         "#include <intuition/classes.h>\n"
  17         "#include <intuition/classusr.h>\n"
  18         "\n"
  19         "#include <proto/utility.h>\n"
  20         "#include <proto/intuition.h>\n"
  21         "\n"
  22         "#include <aros/symbolsets.h>\n"
  23         "\n"
  24     );
  25 }
  26
  27 void writeboopsidispatcher(struct config *cfg, FILE *out, struct classinfo *cl)
  28 {
  29     struct functionhead *methlistit;
  30     struct functionarg *arglistit;
  31     struct stringlist *aliasit;
  32     int i;
  33
  34     if (cl->dispatcher == NULL)
  35     {
  36         fprintf
  37         (
  38             out,
  39             "\n"
  40             "\n"
  41             "/*** Prototypes *************************************************************/\n"
  42         );
  43
  44         writefuncdefs(out, NULL, cl->methlist);
  45
  46         fprintf
  47         (
  48             out,
  49             "\n"
  50             "\n"
  51             "/*** Dispatcher *************************************************************/\n"
  52             "BOOPSI_DISPATCHER(IPTR, %s_Dispatcher, CLASS, self, message)\n"
  53             "{\n"
  54             , cl->basename
  55         );
  56         if (cfg->options & OPTION_DUPBASE)
  57             fprintf(out,
  58             "    __aros_setoffsettable(CLASS->cl_UserData);\n"
  59             );
  60         fprintf
  61         (
  62             out,
  63             "    switch (message->MethodID)\n"
  64             "    {\n"
  65         );
  66
  67         for
  68         (
  69             methlistit = cl->methlist;
  70             methlistit != NULL;
  71             methlistit = methlistit->next
  72         )
  73         {
  74             char *type;
  75
  76             fprintf(out, "        ");
  77             for
  78             (
  79                 aliasit = methlistit->aliases;
  80                 aliasit != NULL;
  81                 aliasit = aliasit->next
  82             )
  83             {
  84                 fprintf(out, "case %s: ", aliasit->s);
  85             }
  86             if (strcmp(methlistit->type, "void") != 0)
  87                 fprintf(out, "return (IPTR)");
  88             fprintf(out,"%s(", methlistit->internalname);
  89
  90             if (methlistit->argcount != 3)
  91             {
  92                 fprintf(stderr, "Method \"%s\" has wrong number of arguments\n", methlistit->name);
  93                 exit(20);
  94             }
  95
  96             arglistit = methlistit->arguments;
  97             fprintf(out, "CLASS, ");
  98
  99             arglistit = arglistit->next;
 100             type = getargtype(arglistit);
 101             if (type == NULL)
 102             {
 103                 fprintf(stderr,
 104                         "Argument \"%s\" not understood for function %s\n",
 105                         arglistit->arg, methlistit->name
 106                 );
 107                 exit(20);
 108             }
 109             fprintf(out, "(%s)self, ", type);
 110             free(type);
 111
 112             arglistit = arglistit->next;
 113             type = getargtype(arglistit);
 114             if (type == NULL)
 115             {
 116                 fprintf(stderr,
 117                         "Argument \"%s\" not understood for function %s\n",
 118                         arglistit->arg, methlistit->name
 119                 );
 120                 exit(20);
 121             }
 122             fprintf(out, "(%s) message);", type);
 123             free(type);
 124
 125             if (strcmp(methlistit->type, "void") == 0)
 126                 fprintf(out, " break;");
 127
 128             fprintf(out, "\n");
 129         }
 130
 131         fprintf
 132         (
 133             out,
 134             "        default: return DoSuperMethodA(CLASS, self, message);\n"
 135             "    }\n"
 136             "    \n"
 137             "    return (IPTR) NULL;\n"
 138             "}\n"
 139             "BOOPSI_DISPATCHER_END\n"
 140         );
 141     }
 142     else
 143     {
 144         fprintf
 145         (
 146             out,
 147             "\n"
 148             "\n"
 149             "/*** Custom dispatcher prototype ********************************************/\n"
 150             "BOOPSI_DISPATCHER_PROTO(IPTR, %s, CLASS, object, message);\n",
 151             cl->dispatcher
 152         );
 153     }
 154 }
 155
 156 void writeclassinit(struct config *cfg, FILE *out, struct classinfo *cl)
 157 {
 158     struct functionhead *methlistit;
 159     struct functionarg *arglistit;
 160     unsigned int lvo;
 161
 162     fprintf
 163     (
 164         out,
 165         "/* Initialisation routines for a BOOPSI class */\n"
 166         "/* ===========================================*/\n"
 167         "\n"
 168     );
 169
 170     writeboopsidispatcher(cfg, out, cl);
 171
 172     if (cl->classdatatype == NULL)
 173         fprintf(out, "#define %s_DATA_SIZE (0)\n", cl->basename);
 174     else
 175         fprintf(out,
 176                 "#define %s_DATA_SIZE (sizeof(%s))\n",
 177                 cl->basename, cl->classdatatype
 178         );
 179
 180     fprintf
 181     (
 182         out,
 183         "\n"
 184         "\n"
 185         "/*** Library startup and shutdown *******************************************/\n"
 186         "static int BOOPSI_%s_Startup(LIBBASETYPEPTR LIBBASE)\n"
 187         "{\n"
 188         "    struct IClass *cl = NULL;\n"
 189         "    \n",
 190         cl->basename
 191     );
 192     if (cl->superclass != NULL)
 193         fprintf(out,
 194                 "    cl = MakeClass(%s, %s, NULL, %s_DATA_SIZE, 0);\n",
 195                 cl->classid, cl->superclass, cl->basename
 196         );
 197     else if (cl->superclass_field != NULL)
 198         fprintf(out,
 199                 "    cl = MakeClass(%s, NULL, LIBBASE->%s, %s_DATA_SIZE, 0);\n",
 200                 cl->classid, cl->superclass_field, cl->basename
 201         );
 202     else
 203     {
 204         fprintf(stderr, "Internal error: both superclass and superclass_field are NULL\n");
 205         exit(20);
 206     }
 207     fprintf
 208     (
 209         out,
 210         "    if (cl != NULL)\n"
 211         "    {\n"
 212         "#if %s_STORE_CLASSPTR\n"
 213         "        %s_CLASSPTR_FIELD(LIBBASE) = cl;\n"
 214         "#endif\n",
 215         cl->basename,
 216         cl->basename
 217     );
 218
 219     if (cl->dispatcher == NULL)
 220         fprintf(out,
 221                 "        cl->cl_Dispatcher.h_Entry = (APTR)%s_Dispatcher;\n",
 222                 cl->basename
 223         );
 224     else
 225         fprintf(out,
 226                 "        cl->cl_Dispatcher.h_Entry = (APTR)%s;\n",
 227                 cl->dispatcher
 228         );
 229
 230     fprintf
 231     (
 232         out,
 233         "        cl->cl_Dispatcher.h_SubEntry = NULL;\n"
 234         "        cl->cl_UserData = (IPTR)LIBBASE\n;"
 235     );
 236
 237     if (!(cl->options & COPTION_PRIVATE))
 238         fprintf
 239         (
 240             out,
 241             "\n"
 242             "        AddClass(cl);\n"
 243         );
 244
 245     fprintf
 246     (
 247         out,
 248         "\n"
 249         "        return TRUE;\n"
 250         "    }\n"
 251         "    else\n"
 252         "        return FALSE;\n"
 253         "}\n"
 254         "\n"
 255         "static void BOOPSI_%s_Shutdown(LIBBASETYPEPTR LIBBASE)\n"
 256         "{\n"
 257         "    struct IClass *cl = %s_CLASSPTR_FIELD(LIBBASE);\n"
 258         "    \n"
 259         "    if (cl != NULL)\n"
 260         "    {\n",
 261         cl->basename, cl->basename
 262     );
 263     if (!(cl->options & COPTION_PRIVATE))
 264         fprintf(out, "        RemoveClass(cl);\n");
 265     fprintf
 266     (
 267         out,
 268         "        FreeClass(cl);\n"
 269         "#if %s_STORE_CLASSPTR\n"
 270         "        %s_CLASSPTR_FIELD(LIBBASE) = NULL;\n"
 271         "#endif\n"
 272         "    }\n"
 273 //        "\n"
 274 //        "    return TRUE;\n"
 275         "}\n"
 276         "\n"
 277         "ADD2INITCLASSES(BOOPSI_%s_Startup, %d);\n"
 278         "ADD2EXPUNGECLASSES(BOOPSI_%s_Shutdown, %d);\n",
 279         cl->basename,
 280         cl->basename,
 281         cl->basename, -cl->initpri,
 282         cl->basename, -cl->initpri
 283     );
 284 }
 285