tools/genmodule/muisupport.c

   1 /*
   2     Copyright © 1995-2006, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Support functions for MUI classes. Part of genmodule.
   6 */
   7 #include "genmodule.h"
   8 #include "boopsisupport.h"
   9
  10 void writemuiincludes(FILE *out)
  11 {
  12     fprintf
  13     (
  14         out,
  15         "#include <proto/muimaster.h>\n"
  16         "\n"
  17     );
  18 }
  19
  20 void writemccinit(struct config *cfg, FILE *out, int inclass, struct classinfo *cl)
  21 {
  22     struct functionhead *methlistit;
  23     struct functionarg *arglistit;
  24     unsigned int lvo;
  25
  26     fprintf
  27     (
  28         out,
  29         "/* Initialisation routines of a MUI class */\n"
  30         "/* =======================================*/\n"
  31         "\n"
  32     );
  33
  34     if (cl->classdatatype == NULL)
  35         fprintf(out, "#   define %s_DATA_SIZE (0)\n", cl->basename);
  36     else
  37         fprintf
  38         (
  39              out,
  40              "#   define %s_DATA_SIZE (sizeof(%s))\n",
  41              cl->basename, cl->classdatatype
  42         );
  43
  44     writeboopsidispatcher(cfg, out, cl);
  45
  46     fprintf
  47     (
  48         out,
  49         "\n"
  50         "\n"
  51         "/*** Library startup and shutdown *******************************************/\n"
  52         "static int MCC_%s_Startup(LIBBASETYPEPTR LIBBASE)\n"
  53         "{\n",
  54         cl->basename
  55     );
  56
  57     /* When classid is specified MakeClass will be used to make the class
  58      * otherwise MUI_CreateCustomClass. The former use is only needed for internal
  59      * muimaster use. Other use is deprecated.
  60      */
  61     if (cl->classid == NULL)
  62     {
  63         char *base, disp[256];
  64
  65         /* Has the class a provided dispatcher function ? */
  66         if (cl->dispatcher == NULL)
  67             snprintf(disp, 256, "%s_Dispatcher", cl->basename);
  68         else
  69             strncpy(disp, cl->dispatcher, 256);
  70
  71         /* Is this class the main class then pass the libbase to MUI_CreateCustomClass
  72          * otherwise pass NULL
  73          */
  74         if (!inclass)
  75             base = "(struct Library *)LIBBASE";
  76         else
  77             base = "NULL";
  78
  79         if (cl->superclass != NULL)
  80             fprintf
  81             (
  82                 out,
  83                 "    %s_CLASSPTR_FIELD(LIBBASE) = MUI_CreateCustomClass(%s, %s, NULL, %s_DATA_SIZE, %s);\n",
  84                 cl->basename, base, cl->superclass, cl->basename, disp
  85             );
  86         else if (cl->superclass_field != NULL)
  87             fprintf
  88             (
  89                 out,
  90                 "    %s_CLASSPTR_FIELD(LIBBASE) = MUI_CreateCustomClass(%s, NULL, LIBBASE->%s, %s_DATA_SIZE, %s);\n",
  91                 cl->basename, base, cl->superclass_field, cl->basename, disp
  92             );
  93         else
  94         {
  95             fprintf(out, "Internal error: both superclass and superclass_field are NULL\n");
  96             exit(20);
  97         }
  98     }
  99     else
 100     {
 101         char disp[256];
 102
 103         /* Has the class a provided dispatcher function ? */
 104         if (cl->dispatcher == NULL)
 105             snprintf(disp, 256, "%s_Dispatcher", cl->basename);
 106         else
 107             strncpy(disp, cl->dispatcher, 256);
 108
 109         if (cl->superclass != NULL)
 110             fprintf
 111             (
 112                 out,
 113                 "    Class *superclass = MUI_GetClass(%s),\n",
 114                 cl->superclass
 115             );
 116         else if (cl->superclass_field != NULL)
 117             fprintf
 118             (
 119                 out,
 120                 "    Class *superclass = LIBBASE->%s,\n",
 121                 cl->superclass_field
 122             );
 123         else
 124         {
 125             fprintf(stderr, "Internal error: both superclass and superclass_field are NULL\n");
 126             exit(20);
 127         }
 128
 129         fprintf
 130         (
 131             out,
 132             "          *cl = NULL;\n"
 133             "\n"
 134             "    if (superclass)\n"
 135             "        cl = MakeClass(%s, NULL, superclass, %s_DATA_SIZE, 0);\n"
 136             "    if (cl)\n"
 137             "        cl->cl_Dispatcher.h_Entry = %s;\n"
 138             "    %s_CLASSPTR_FIELD(LIBBASE) = cl;\n",
 139             cl->classid, cl->basename,
 140             disp,
 141             cl->basename
 142         );
 143     }
 144
 145     fprintf
 146     (
 147         out,
 148         "    \n"
 149         "    return %s_CLASSPTR_FIELD(LIBBASE) != NULL;\n"
 150         "}\n"
 151         "\n"
 152         "static void MCC_%s_Shutdown(LIBBASETYPEPTR LIBBASE)\n"
 153         "{\n",
 154         cl->basename,
 155         cl->basename
 156     );
 157     if (cl->classid == NULL)
 158     {
 159         fprintf
 160         (
 161              out,
 162              "    MUI_DeleteCustomClass(%s_CLASSPTR_FIELD(LIBBASE));\n",
 163              cl->basename
 164         );
 165     }
 166     else
 167     {
 168         fprintf
 169         (
 170             out,
 171             "    Class *cl = %s_CLASSPTR_FIELD(LIBBASE);\n"
 172             "\n"
 173             "    if (cl != NULL)\n"
 174             "    {\n"
 175             "        MUI_FreeClass(cl->cl_Super);\n"
 176             "        FreeClass(cl);\n"
 177             "    }\n",
 178             cl->basename
 179         );
 180     }
 181     fprintf
 182     (
 183         out,
 184 //        "    return TRUE;\n"
 185         "}\n"
 186         "\n"
 187         "ADD2INITCLASSES(MCC_%s_Startup, %d);\n"
 188         "ADD2EXPUNGECLASSES(MCC_%s_Shutdown, %d);\n",
 189         cl->basename, -cl->initpri,
 190         cl->basename, -cl->initpri
 191     );
 192 }
 193
 194 void writemccquery(FILE *out, struct config *cfg)
 195 {
 196     fprintf
 197     (
 198         out,
 199         "\n"
 200         "/* MCC_Query function */\n"
 201         "/* ================== */\n"
 202         "\n"
 203         "#include <libraries/mui.h>\n"
 204         "#include <aros/libcall.h>\n"
 205         "\n"
 206         "#define MCC_CLASS       0\n"
 207         "#define MCC_PREFS_CLASS 1\n"
 208         "\n"
 209         "AROS_LH1(IPTR, MCC_Query,\n"
 210         "         AROS_LHA(LONG, what, D0),\n"
 211         "         LIBBASETYPEPTR, LIBBASE, 5, %s\n"
 212         ")\n"
 213         "{\n"
 214         "    AROS_LIBFUNC_INIT\n"
 215         "\n"
 216         "    switch( what )\n"
 217         "    {\n",
 218         cfg->basename
 219     );
 220
 221     switch(cfg->modtype)
 222     {
 223     case MCC:
 224     case MUI:
 225         fprintf(out, "        case MCC_CLASS:          return (IPTR)GM_CLASSPTR_FIELD(LIBBASE);\n");
 226         break;
 227     case MCP:
 228         fprintf(out, "        case MCC_PREFS_CLASS:    return (IPTR)GM_CLASSPTR_FIELD(LIBBASE);\n");
 229         break;
 230     }
 231
 232     /* FIXME: handle MCC_PREFS_IMAGE somehow */
 233     /* FIXME: handle "ONLY_GLOBAL" ?? */
 234
 235     fprintf
 236     (
 237         out,
 238         "    }\n"
 239         "\n"
 240         "    return 0;\n"
 241         "\n"
 242         "    AROS_LIBFUNC_EXIT\n"
 243         "}\n"
 244     );
 245 }