tools/genmodule/writeincdefines.c

   1 /*
   2     Copyright © 1995-2012, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Function to write defines/modulename.h. Part of genmodule.
   6 */
   7 #include "genmodule.h"
   8
   9 static void writedefineregister(FILE *, struct functionhead *, struct config *);
  10 static void writedefinevararg(FILE *, struct functionhead *, struct config *);
  11 static void writealiases(FILE *, struct functionhead *, struct config *);
  12
  13 void writeincdefines(struct config *cfg)
  14 {
  15     FILE *out;
  16     char line[256], *banner;
  17     struct functionhead *funclistit;
  18
  19     snprintf(line, 255, "%s/defines/%s.h", cfg->gendir, cfg->modulename);
  20     out = fopen(line, "w");
  21
  22     if (out == NULL)
  23     {
  24         perror(line);
  25         exit(20);
  26     }
  27
  28     banner = getBanner(cfg);
  29     fprintf(out,
  30             "#ifndef DEFINES_%s_H\n"
  31             "#define DEFINES_%s_H\n"
  32             "\n"
  33             "%s"
  34             "\n"
  35             "/*\n"
  36             "    Desc: Defines for %s\n"
  37             "*/\n"
  38             "\n"
  39             "#include <aros/libcall.h>\n"
  40             "#include <exec/types.h>\n"
  41             "#include <aros/symbolsets.h>\n"
  42             "#include <aros/preprocessor/variadic/cast2iptr.hpp>\n"
  43             "\n"
  44             "__BEGIN_DECLS\n"
  45             "\n",
  46             cfg->modulenameupper, cfg->modulenameupper, banner, cfg->modulename
  47     );
  48     freeBanner(banner);
  49
  50     for (funclistit = cfg->funclist; funclistit!=NULL; funclistit = funclistit->next)
  51     {
  52         if (!funclistit->priv && (funclistit->lvo >= cfg->firstlvo))
  53         {
  54             fprintf(out,
  55                     "\n"
  56                     "#if !defined(__%s_LIBAPI__) || (%d <= __%s_LIBAPI__)"
  57                     "\n",
  58                     cfg->modulenameupper,
  59                     funclistit->version,
  60                     cfg->modulenameupper
  61             );
  62
  63             if (funclistit->libcall != STACK)
  64             {
  65                 writedefineregister(out, funclistit, cfg);
  66                 if (!funclistit->novararg)
  67                     writedefinevararg(out, funclistit, cfg);
  68             }
  69             else /* libcall == STACK */
  70             {
  71                 writedefinestack(out, funclistit, cfg);
  72             }
  73
  74             writealiases(out, funclistit, cfg);
  75
  76             fprintf(out,
  77                     "\n"
  78                     "#endif /* !defined(__%s_LIBAPI__) || (%d <= __%s_LIBAPI__) */"
  79                     "\n",
  80                     cfg->modulenameupper,
  81                     funclistit->version,
  82                     cfg->modulenameupper
  83             );
  84
  85         }
  86     }
  87     fprintf(out,
  88             "\n"
  89             "__END_DECLS\n"
  90             "\n"
  91             "#endif /* DEFINES_%s_H*/\n",
  92             cfg->modulenameupper
  93     );
  94     fclose(out);
  95 }
  96
  97
  98 void
  99 writedefineregister(FILE *out, struct functionhead *funclistit, struct config *cfg)
 100 {
 101     struct functionarg *arglistit;
 102     int count, isvoid, nquad = 0, narg = 0;
 103     char *type;
 104
 105     isvoid = strcmp(funclistit->type, "void") == 0
 106         || strcmp(funclistit->type, "VOID") == 0;
 107
 108     fprintf(out,
 109             "\n"
 110             "#define __%s_WB(__%s",
 111             funclistit->name, cfg->libbase
 112     );
 113     for (arglistit = funclistit->arguments, count = 1;
 114          arglistit!=NULL;
 115          arglistit = arglistit->next, count++
 116     )
 117     {
 118         fprintf(out, ", __arg%d", count);
 119         if (strchr(arglistit->reg, '/') != NULL) {
 120             nquad++;
 121         } else {
 122             narg++;
 123         }
 124     }
 125     fprintf(out,
 126                     ") ({\\\n"
 127     );
 128     fprintf(out,
 129                 "        AROS_LIBREQ(%s,%d)\\\n",
 130                 cfg->libbase, funclistit->version
 131     );
 132     if (nquad == 0)
 133     {
 134             fprintf(out,
 135                     "        AROS_LC%d%s%s(%s, %s, \\\n",
 136                     funclistit->argcount, funclistit->unusedlibbase ? "I" : "",
 137                     (isvoid) ? "NR" : "",
 138                     funclistit->type, funclistit->name
 139             );
 140
 141             for (arglistit = funclistit->arguments, count = 1;
 142                  arglistit!=NULL;
 143                  arglistit = arglistit->next, count++
 144             )
 145             {
 146                 type = getargtype(arglistit);
 147                 assert(type != NULL);
 148                 fprintf(out,
 149                         "                  AROS_LCA(%s,(__arg%d),%s), \\\n",
 150                         type, count, arglistit->reg
 151                 );
 152                 free(type);
 153             }
 154     }
 155     else
 156     {
 157         if (narg) {
 158             fprintf(out,
 159                     "    AROS_LC%dQUAD%d%s(%s, %s,\\\n",
 160                     narg, nquad, (isvoid) ? "NR" : "",
 161                     funclistit->type, funclistit->name
 162             );
 163         } else {
 164             fprintf(out,
 165                     "    AROS_LCQUAD%d%s(%s, %s,\\\n",
 166                     nquad, (isvoid) ? "NR" : "",
 167                     funclistit->type, funclistit->name
 168             );
 169         }
 170
 171         for (arglistit = funclistit->arguments, count = 1;
 172              arglistit != NULL;
 173              arglistit = arglistit->next, count++
 174         )
 175         {
 176             char *quad2 = strchr(arglistit->reg, '/');
 177
 178             arglistit->reg[2] = 0;
 179             type = getargtype(arglistit);
 180             assert(type != NULL);
 181
 182             if (quad2 != NULL) {
 183                 *quad2 = 0;
 184                 fprintf(out,
 185                         "         AROS_LCAQUAD(%s, (__arg%d), %s, %s), \\\n",
 186                         type, count, arglistit->reg, quad2+1
 187                 );
 188                 *quad2 = '/';
 189             } else {
 190                 fprintf(out,
 191                         "         AROS_LCA(%s, (__arg%d), %s), \\\n",
 192                         type, count, arglistit->reg
 193                 );
 194             }
 195             free(type);
 196         }
 197     }
 198     fprintf(out,
 199             "        %s, (__%s), %u, %s);\\\n})\n\n",
 200             cfg->libbasetypeptrextern, cfg->libbase,    funclistit->lvo, cfg->basename
 201     );
 202
 203     fprintf(out, "#define %s(", funclistit->name);
 204     for (arglistit = funclistit->arguments, count = 1;
 205          arglistit != NULL;
 206          arglistit = arglistit->next, count++
 207     )
 208     {
 209         if (arglistit != funclistit->arguments)
 210             fprintf(out, ", ");
 211         fprintf(out, "arg%d", count);
 212     }
 213     fprintf(out, ") \\\n    __%s_WB(__aros_getbase_%s()",
 214             funclistit->name, cfg->libbase
 215     );
 216     for (arglistit = funclistit->arguments, count = 1;
 217          arglistit != NULL;
 218          arglistit = arglistit->next, count++
 219     )
 220         fprintf(out, ", (arg%d)", count);
 221     fprintf(out, ")\n");
 222 }
 223
 224 void
 225 writedefinevararg(FILE *out, struct functionhead *funclistit, struct config *cfg)
 226 {
 227     struct functionarg *arglistit = funclistit->arguments;
 228     char isvararg = 0, *varargname, *lastname;
 229
 230     /* Go to last argument */
 231     if (arglistit == NULL)
 232         return;
 233
 234     while (arglistit->next != NULL) arglistit = arglistit->next;
 235
 236     lastname = getargname(arglistit);
 237     assert(lastname != NULL);
 238
 239     if (*(funclistit->name + strlen(funclistit->name) - 1) == 'A')
 240     {
 241         isvararg = 1;
 242         varargname = strdup(funclistit->name);
 243         varargname[strlen(funclistit->name)-1] = '\0';
 244     }
 245     else if (strcmp(funclistit->name + strlen(funclistit->name) - 7, "TagList") == 0)
 246     {
 247         isvararg = 1;
 248         /* TagList has to be changed in Tags at the end of the functionname */
 249         varargname = strdup(funclistit->name);
 250         varargname[strlen(funclistit->name)-4] = 's';
 251         varargname[strlen(funclistit->name)-3] = '\0';
 252     }
 253     else if (strcmp(funclistit->name + strlen(funclistit->name) - 4, "Args") == 0
 254              && (strcasecmp(lastname, "args") == 0 || strcasecmp(lastname, "arglist") == 0)
 255     )
 256     {
 257         isvararg = 1;
 258         varargname = strdup(funclistit->name);
 259         varargname[strlen(funclistit->name)-4] = '\0';
 260     }
 261     else if ((funclistit->name[0] == 'V') &&  (strncmp(arglistit->arg, "va_list", 7) == 0))
 262     {
 263         isvararg = 2;
 264         varargname = malloc(strlen(funclistit->name));
 265         strcpy(varargname, &funclistit->name[1]);
 266     }
 267     else
 268     {
 269         char *p;
 270
 271         if (strncmp(arglistit->arg, "const", 5) == 0) {
 272             p = arglistit->arg + 5;
 273             while (isspace(*p)) p++;
 274         } else
 275             p = arglistit->arg;
 276         if (strncmp(p, "struct", 6)==0)
 277         {
 278             p += 6;
 279             while (isspace(*p)) p++;
 280             if (strncmp(p, "TagItem", 7) == 0)
 281             {
 282                 p += 7;
 283                 while (isspace(*p)) p++;
 284
 285                 if (*p == '*')
 286                 {
 287                     isvararg = 1;
 288                     varargname = malloc(strlen(funclistit->name) + 5);
 289                     strcpy(varargname, funclistit->name);
 290                     strcat(varargname, "Tags");
 291                 }
 292             }
 293         }
 294     }
 295
 296     if (isvararg == 1)
 297     {
 298         int count;
 299         char *type;
 300
 301         fprintf(out,
 302                 "\n#if !defined(NO_INLINE_STDARG) && !defined(%s_NO_INLINE_STDARG)\n"
 303                 "#define %s(",
 304                 cfg->modulenameupper, varargname
 305         );
 306         for (arglistit = funclistit->arguments, count = 1;
 307              arglistit != NULL && arglistit->next != NULL;
 308              arglistit = arglistit->next, count++
 309         )
 310         {
 311             fprintf(out, "arg%d, ", count);
 312         }
 313         fprintf(out,
 314                 "...) \\\n"
 315                 "({ \\\n"
 316                 "    %s(",
 317                 funclistit->name
 318         );
 319         for (arglistit = funclistit->arguments, count = 1;
 320              arglistit != NULL;
 321              arglistit = arglistit->next, count++
 322         )
 323         {
 324             if (arglistit != funclistit->arguments)
 325                 fprintf(out, ", ");
 326
 327             if (arglistit->next == NULL)
 328             {
 329                 type = getargtype(arglistit);
 330                 assert(type != NULL);
 331                 fprintf(out, "(%s)(IPTR []){ AROS_PP_VARIADIC_CAST2IPTR(__VA_ARGS__) }", type);
 332                 free(type);
 333             }
 334             else
 335                 fprintf(out, "(arg%d)", count);
 336         }
 337         fprintf(out,
 338                 "); \\\n"
 339                 "})\n"
 340                 "#endif /* !NO_INLINE_STDARG */\n"
 341         );
 342
 343         free(varargname);
 344     }
 345     else if (isvararg == 2)
 346     {
 347         int count;
 348         struct functionarg *lastarg;
 349
 350         fprintf(out,
 351                 "\n#if !defined(NO_INLINE_STDARG) && !defined(%s_NO_INLINE_STDARG)\n"
 352                 "static inline %s __%s_WB(%s __%s",
 353                 cfg->modulenameupper,
 354                 funclistit->type, varargname, cfg->libbasetypeptrextern, cfg->libbase
 355         );
 356         for (arglistit = funclistit->arguments;
 357              arglistit != NULL && arglistit->next != NULL;
 358              arglistit = arglistit->next
 359         )
 360         {
 361             fprintf(out, ", %s", arglistit->arg);
 362             lastarg = arglistit;
 363         }
 364         fprintf(out, ", ...)\n");
 365
 366         fprintf(out,
 367                 "{\n"
 368                 "    %s retval;\n"
 369                 "    va_list args;\n"
 370                 "\n"
 371                 "    va_start(args, %s);\n"
 372                 "    retval = __%s_WB(__%s, ",
 373                 funclistit->type,
 374                 getargname(lastarg),
 375                 funclistit->name, cfg->libbase
 376         );
 377         for (arglistit = funclistit->arguments;
 378              arglistit != NULL && arglistit->next != NULL;
 379              arglistit = arglistit->next
 380         )
 381         {
 382             fprintf(out, "%s, ", getargname(arglistit));
 383         }
 384         fprintf(out,
 385                 "args);\n"
 386                 "    va_end(args);\n"
 387                 "    return retval;\n"
 388                 "}\n"
 389                 "#define %s(",
 390                 varargname
 391         );
 392         for (arglistit = funclistit->arguments, count = 1;
 393              arglistit != NULL && arglistit->next != NULL && arglistit->next->next != NULL;
 394              arglistit = arglistit->next, count++
 395         )
 396         {
 397             fprintf(out, "arg%d, ", count);
 398         }
 399         fprintf(out,
 400                 "...) __%s_WB(%s, ",
 401                 varargname, cfg->libbase
 402         );
 403         for (arglistit = funclistit->arguments, count = 1;
 404              arglistit != NULL && arglistit->next != NULL && arglistit->next->next != NULL;
 405              arglistit = arglistit->next, count++
 406         )
 407         {
 408             fprintf(out, "(arg%d), ", count);
 409         }
 410         fprintf(out,
 411                 "__VA_ARGS__)\n"
 412                 "#endif /* !NO_INLINE_STDARG */\n"
 413         );
 414
 415         free(varargname);
 416     }
 417 }
 418
 419 void
 420 writedefinestack(FILE *out, struct functionhead *funclistit, struct config *cfg)
 421 {
 422     struct functionarg *arglistit;
 423
 424     /* Only if no peropener or pertask base */
 425     if (cfg->options & OPTION_DUPBASE)
 426         return;
 427
 428     fprintf(out, "#define %s ((%s (*)(", funclistit->name, funclistit->type);
 429     for (arglistit = funclistit->arguments;
 430          arglistit != NULL;
 431          arglistit = arglistit->next
 432     )
 433     {
 434         fprintf(out, "%s", arglistit->arg);
 435         if (arglistit->next != NULL)
 436             fprintf(out, ", ");
 437     }
 438     fprintf(out, "))__AROS_GETVECADDR(__aros_getbase_%s(),%d))\n",
 439             cfg->libbase, funclistit->lvo
 440     );
 441 }
 442
 443 void
 444 writealiases(FILE *out, struct functionhead *funclistit, struct config *cfg)
 445 {
 446     struct stringlist *aliasesit;
 447
 448     for (aliasesit = funclistit->aliases;
 449          aliasesit != NULL;
 450          aliasesit = aliasesit->next
 451     )
 452     {
 453         fprintf(out, "#define %s %s\n", aliasesit->s, funclistit->name);
 454     }
 455 }