typegen/main.c

   1 #include <ctype.h>
   2 #include <dragonport/asprintf.h>
   3 #include <dragontype/number.h>
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <string.h>
   7
   8 static size_t split(char ***strs, char *s, const char *delim)
   9 {
  10         size_t i = 0;
  11         *strs = malloc((1+i) * sizeof(char *));
  12
  13         // Can't be allocated on the stack for some reason
  14         char *str = malloc(1+strlen(s));
  15         strcpy(str, s);
  16
  17         char *tok = strtok(str, delim);
  18         while (tok != NULL) {
  19                 *strs = realloc(*strs, (1+i) * sizeof(char *));
  20                 (*strs)[i++] = strdup(tok);
  21                 tok = strtok(NULL, delim);
  22         }
  23
  24         free(str);
  25         return i;
  26 }
  27
  28 static void free_split(char **strs, size_t n)
  29 {
  30         for (size_t i = 0; i < n; ++i)
  31                 free(strs[i]);
  32
  33         free(strs);
  34 }
  35
  36 // Socket based
  37
  38 static void gen_serializers(FILE *c_fp)
  39 {
  40         for (u8 bits = 8; bits <= 64; bits *= 2) {
  41                 char *fmt_u = "__attribute__((unused)) static void send_u%d(DragonnetPeer *p, bool submit, u%d v)\n";
  42                 char *fmt_s = "__attribute__((unused)) static void send_s%d(DragonnetPeer *p, bool submit, s%d v)\n";
  43
  44                 fprintf(c_fp, fmt_u, bits, bits);
  45                 fprintf(c_fp, "{\n");
  46                 fprintf(c_fp, "\tu%d be = htobe%d(v);\n", bits, bits);
  47                 fprintf(c_fp, "\tdragonnet_send_raw(p, submit, &be, sizeof be);\n");
  48                 fprintf(c_fp, "}\n\n");
  49
  50                 fprintf(c_fp, fmt_s, bits, bits, "");
  51                 fprintf(c_fp, "{\n");
  52                 fprintf(c_fp, "\tsend_u%d(p, submit, (u%d) v);\n", bits, bits);
  53                 fprintf(c_fp, "}\n\n");
  54
  55                 if (bits >= 32) {
  56                         char *fmt_f = "static void send_f%d(DragonnetPeer *p, bool submit, f%d v)\n";
  57
  58                         fprintf(c_fp, fmt_f, bits, bits);
  59                         fprintf(c_fp, "{\n");
  60                         fprintf(c_fp, "\tsend_u%d(p, submit, (u%d) v);\n", bits, bits);
  61                         fprintf(c_fp, "}\n\n");
  62                 }
  63         }
  64
  65         for (u8 elems = 2; elems <= 4; ++elems) {
  66                 for (u8 bits = 8; bits <= 64; bits *= 2) {
  67                         char *fmt_u = "__attribute__((unused)) static void send_v%du%d(DragonnetPeer *p, bool submit, v%du%d v)\n";
  68                         char *fmt_s = "__attribute__((unused)) static void send_v%ds%d(DragonnetPeer *p, bool submit, v%ds%d v)\n";
  69
  70                         fprintf(c_fp, fmt_u, elems, bits, elems, bits);
  71                         fprintf(c_fp, "{\n");
  72                         fprintf(c_fp, "\tu%d *ptr = &v.x;\n", bits);
  73                         fprintf(c_fp, "\tfor (u8 i = 0; i < %d; ++i) {\n", elems);
  74                         fprintf(c_fp, "\t\tsend_u%d(p, (i == %d-1) ? submit : false, *ptr++);\n", bits, elems);
  75                         fprintf(c_fp, "\t}\n");
  76                         fprintf(c_fp, "}\n\n");
  77
  78                         fprintf(c_fp, fmt_s, elems, bits, elems, bits);
  79                         fprintf(c_fp, "{\n");
  80                         fprintf(c_fp, "\ts%d *ptr = &v.x;\n", bits);
  81                         fprintf(c_fp, "\tfor (u8 i = 0; i < %d; ++i) {\n", elems);
  82                         fprintf(c_fp, "\t\tsend_s%d(p, (i == %d-1) ? submit : false, *ptr++);\n", bits, elems);
  83                         fprintf(c_fp, "\t}\n");
  84                         fprintf(c_fp, "}\n\n");
  85
  86                         if (bits >= 32) {
  87                                 char *fmt_f = "__attribute__((unused)) static void send_v%df%d(DragonnetPeer *p, bool submit, v%df%d v)\n";
  88
  89                                 fprintf(c_fp, fmt_f, elems, bits, elems, bits);
  90                                 fprintf(c_fp, "{\n");
  91                                 fprintf(c_fp, "\tf%d *ptr = &v.x;\n", bits);
  92                                 fprintf(c_fp, "\tfor (u8 i = 0; i < %d; ++i) {\n", elems);
  93                                 fprintf(c_fp, "\t\tsend_f%d(p, (i == %d-1) ? submit : false, *ptr++);\n", bits, elems);
  94                                 fprintf(c_fp, "\t}\n");
  95                                 fprintf(c_fp, "}\n\n");
  96                         }
  97                 }
  98         }
  99
 100         for (u8 elems = 2; elems <= 4; ++elems) {
 101                 for (u8 bits = 8; bits <= 64; bits *= 2) {
 102                         char *fmt_u = "__attribute__((unused)) static void send_aabb%du%d(DragonnetPeer *p, bool submit, aabb%du%d v)\n";
 103                         char *fmt_s = "__attribute__((unused)) static void send_aabb%ds%d(DragonnetPeer *p, bool submit, aabb%ds%d v)\n";
 104
 105                         fprintf(c_fp, fmt_u, elems, bits, elems, bits);
 106                         fprintf(c_fp, "{\n");
 107                         fprintf(c_fp, "\tv%du%d *ptr = &v.min;\n", elems, bits);
 108                         fprintf(c_fp, "\tfor (u8 i = 0; i < 2; ++i) {\n");
 109                         fprintf(c_fp, "\t\tsend_v%du%d(p, (i == 1) ? submit : false, *ptr++);\n", elems, bits);
 110                         fprintf(c_fp, "\t}\n");
 111                         fprintf(c_fp, "}\n\n");
 112
 113                         fprintf(c_fp, fmt_s, elems, bits, elems, bits);
 114                         fprintf(c_fp, "{\n");
 115                         fprintf(c_fp, "\tv%ds%d *ptr = &v.min;\n", elems, bits);
 116                         fprintf(c_fp, "\tfor (u8 i = 0; i < 2; ++i) {\n");
 117                         fprintf(c_fp, "\t\tsend_v%ds%d(p, (i == 1) ? submit : false, *ptr++);\n", elems, bits);
 118                         fprintf(c_fp, "\t}\n");
 119                         fprintf(c_fp, "}\n\n");
 120
 121                         if (bits >= 32) {
 122                                 char *fmt_f = "__attribute__((unused)) static void send_aabb%df%d(DragonnetPeer *p, bool submit, aabb%df%d v)\n";
 123
 124                                 fprintf(c_fp, fmt_f, elems, bits, elems, bits);
 125                                 fprintf(c_fp, "{\n");
 126                                 fprintf(c_fp, "\tv%df%d *ptr = &v.min;\n", elems, bits);
 127                                 fprintf(c_fp, "\tfor (u8 i = 0; i < 2; ++i) {\n");
 128                                 fprintf(c_fp, "\t\tsend_v%df%d(p, (i == 1) ? submit : false, *ptr++);\n", elems, bits);
 129                                 fprintf(c_fp, "\t}\n");
 130                                 fprintf(c_fp, "}\n\n");
 131                         }
 132                 }
 133         }
 134
 135         fprintf(c_fp, "__attribute__((unused)) static void send_string(DragonnetPeer *p, bool submit, string v)\n");
 136         fprintf(c_fp, "{\n");
 137         fprintf(c_fp, "\tdragonnet_send_raw(p, submit, v, strlen(v));\n");
 138         fprintf(c_fp, "}\n\n");
 139
 140         fprintf(c_fp, "__attribute__((unused)) static void send_Blob(DragonnetPeer *p, bool submit, Blob v)\n");
 141         fprintf(c_fp, "{\n");
 142         fprintf(c_fp, "\tsend_u32(p, false, v->siz);\n");
 143         fprintf(c_fp, "\tdragonnet_send_raw(p, submit, v->data, v->siz);\n");
 144         fprintf(c_fp, "}\n\n");
 145
 146         fprintf(c_fp, "__attribute__((unused)) static void send_CompressedBlob(DragonnetPeer *p, bool submit, CompressedBlob v)\n\n");
 147         fprintf(c_fp, "{\n");
 148         fprintf(c_fp, "\tchar compr[2 + v->blob->siz];\n\n");
 149         fprintf(c_fp, "\tz_stream s;\n");
 150         fprintf(c_fp, "\ts.zalloc = Z_NULL;\n");
 151         fprintf(c_fp , "\ts.zfree = Z_NULL;\n");
 152         fprintf(c_fp, "\ts.opaque = Z_NULL;\n\n");
 153         fprintf(c_fp, "\ts.avail_in = v->blob->siz;\n");
 154         fprintf(c_fp, "\ts.avail_out = 3 + v->blob->siz;\n");
 155         fprintf(c_fp, "\ts.next_in = (Bytef *) v->blob->data;\n");
 156         fprintf(c_fp, "\ts.next_out = (Bytef *) compr;\n\n");
 157         fprintf(c_fp, "\tdeflateInit(&s, Z_BEST_COMPRESSION);\n");
 158         fprintf(c_fp, "\tdeflate(&s, Z_FINISH);\n");
 159         fprintf(c_fp, "\tdeflateEnd(&s);\n\n");
 160         fprintf(c_fp, "\tv->siz = s.total_out;\n");
 161         fprintf(c_fp, "\tsend_u32(p, false, v->siz);\n");
 162         fprintf(c_fp, "\tsend_u32(p, false, v->blob->siz);\n");
 163         fprintf(c_fp, "\tdragonnet_send_raw(p, submit, compr, v->siz);\n");
 164         fprintf(c_fp, "}\n\n");
 165 }
 166
 167 static void gen_deserializers(FILE *c_fp)
 168 {
 169         for (u8 bits = 8; bits <= 64; bits *= 2) {
 170                 char *fmt = "__attribute__((unused)) static void recv_n%d(DragonnetPeer *p, void *buf)\n";
 171
 172                 fprintf(c_fp, fmt, bits);
 173                 fprintf(c_fp, "{\n");
 174                 fprintf(c_fp, "\tu%d be;\n", bits);
 175                 fprintf(c_fp, "\tdragonnet_recv_raw(p, &be, sizeof be);\n");
 176                 fprintf(c_fp, "\tbe = be%dtoh(be);\n", bits);
 177                 fprintf(c_fp, "\tmemcpy(buf, &be, sizeof be);\n");
 178                 fprintf(c_fp, "}\n\n");
 179         }
 180
 181         for (u8 elems = 2; elems <= 4; ++elems) {
 182                 for (u8 bits = 8; bits <= 64; bits *= 2) {
 183                         char *fmt = "__attribute__((unused)) static void recv_v%dn%d(DragonnetPeer *p, void *buf)\n";
 184
 185                         fprintf(c_fp, fmt, elems, bits);
 186                         fprintf(c_fp, "{\n");
 187                         fprintf(c_fp, "\tfor (u8 i = 0; i < %d; ++i)\n", elems);
 188                         fprintf(c_fp, "\t\trecv_n%d(p, buf);\n", bits);
 189                         fprintf(c_fp, "}\n\n");
 190                 }
 191         }
 192
 193         for (u8 elems = 2; elems <= 4; ++elems) {
 194                 for (u8 bits = 8; bits <= 64; bits *= 2) {
 195                         char *fmt = "__attribute__((unused)) static void recv_aabb%dn%d(DragonnetPeer *p, void *buf)\n";
 196
 197                         fprintf(c_fp, fmt, elems, bits);
 198                         fprintf(c_fp, "{\n");
 199                         fprintf(c_fp, "\tfor (u8 i = 0; i < 2; ++i)\n");
 200                         fprintf(c_fp, "\t\trecv_v%dn%d(p, buf);\n", elems, bits);
 201                         fprintf(c_fp, "}\n\n");
 202                 }
 203         }
 204
 205         fprintf(c_fp, "__attribute__((unused)) static void recv_string(DragonnetPeer *p, void *buf)\n");
 206         fprintf(c_fp, "{\n");
 207         fprintf(c_fp, "\tstring v = malloc(1 + (1 << 16));\n\n");
 208         fprintf(c_fp, "\tchar ch;\n");
 209         fprintf(c_fp, "\tfor (u16 i = 0; ch != '\\0'; ++i) {\n");
 210         fprintf(c_fp, "\t\trecv_n8(p, &ch);\n");
 211         fprintf(c_fp, "\t\tv[i] = ch;\n");
 212         fprintf(c_fp, "\t}\n\n");
 213         fprintf(c_fp, "\tv = realloc(v, strlen(v));\n");
 214         fprintf(c_fp, "\tmemcpy(buf, v, strlen(v));\n");
 215         fprintf(c_fp, "}\n\n");
 216
 217         fprintf(c_fp, "__attribute__((unused)) static void recv_Blob(DragonnetPeer *p, void *buf)\n");
 218         fprintf(c_fp, "{\n");
 219         fprintf(c_fp, "\tBlob v = (Blob) buf;\n");
 220         fprintf(c_fp, "\trecv_n32(p, &v->siz);\n");
 221         fprintf(c_fp, "\tv->data = malloc(v->siz);\n");
 222         fprintf(c_fp, "\tdragonnet_recv_raw(p, v->data, v->siz);\n\n");
 223         fprintf(c_fp, "\tmemcpy(buf, v, v->siz + sizeof v);\n");
 224         fprintf(c_fp, "}\n\n");
 225
 226         fprintf(c_fp, "__attribute__((unused)) static void recv_CompressedBlob(DragonnetPeer *p, void *buf)\n");
 227         fprintf(c_fp, "{\n");
 228         fprintf(c_fp, "\tCompressedBlob v = *(CompressedBlob *) buf;\n");
 229         fprintf(c_fp, "\tv->blob = malloc(sizeof *v->blob);\n\n");
 230         fprintf(c_fp, "\trecv_n32(p, &v->siz);\n");
 231         fprintf(c_fp, "\trecv_n32(p, &v->blob->siz);\n");
 232         fprintf(c_fp, "\tv->blob->data = malloc(v->blob->siz);\n\n");
 233         fprintf(c_fp, "\tchar compr[v->siz];\n");
 234         fprintf(c_fp, "\tdragonnet_recv_raw(p, compr, sizeof compr);\n\n");
 235         fprintf(c_fp, "\tz_stream s;\n");
 236         fprintf(c_fp, "\ts.zalloc = Z_NULL;\n");
 237         fprintf(c_fp, "\ts.zfree = Z_NULL;\n");
 238         fprintf(c_fp, "\ts.opaque = Z_NULL;\n\n");
 239         fprintf(c_fp, "\ts.avail_in = v->siz;\n");
 240         fprintf(c_fp, "\ts.next_in = (Bytef *) compr;\n");
 241         fprintf(c_fp, "\ts.avail_out = v->blob->siz;\n");
 242         fprintf(c_fp, "\ts.next_out = (Bytef *) v->blob->data;\n\n");
 243         fprintf(c_fp, "\tinflateInit(&s);\n");
 244         fprintf(c_fp, "\tinflate(&s, Z_NO_FLUSH);\n");
 245         fprintf(c_fp, "\tinflateEnd(&s);\n");
 246         fprintf(c_fp, "}\n\n");
 247 }
 248
 249 // Buffer based
 250
 251 static void gen_buffer_serializers(FILE *c_fp)
 252 {
 253         for (u8 bits = 8; bits <= 64; bits *= 2) {
 254                 char *fmt_u = "__attribute__((unused)) static void buf_write_u%d(u8 **buf, size_t *n, u%d v)\n";
 255                 char *fmt_s = "__attribute__((unused)) static void buf_write_s%d(u8 **buf, size_t *n, s%d v)\n";
 256
 257                 fprintf(c_fp, fmt_u, bits, bits);
 258                 fprintf(c_fp, "{\n");
 259                 fprintf(c_fp, "\tu%d be = htobe%d(v);\n", bits, bits);
 260                 fprintf(c_fp, "\tdragonnet_write_raw(buf, n, &be, sizeof be);\n");
 261                 fprintf(c_fp, "}\n\n");
 262
 263                 fprintf(c_fp, fmt_s, bits, bits, "");
 264                 fprintf(c_fp, "{\n");
 265                 fprintf(c_fp, "\tbuf_write_u%d(buf, n, (u%d) v);\n", bits, bits);
 266                 fprintf(c_fp, "}\n\n");
 267
 268                 if (bits >= 32) {
 269                         char *fmt_f = "static void buf_write_f%d(u8 **buf, size_t *n, f%d v)\n";
 270
 271                         fprintf(c_fp, fmt_f, bits, bits);
 272                         fprintf(c_fp, "{\n");
 273                         fprintf(c_fp, "\tbuf_write_u%d(buf, n, (u%d) v);\n", bits, bits);
 274                         fprintf(c_fp, "}\n\n");
 275                 }
 276         }
 277
 278         for (u8 elems = 2; elems <= 4; ++elems) {
 279                 for (u8 bits = 8; bits <= 64; bits *= 2) {
 280                         char *fmt_u = "__attribute__((unused)) static void buf_write_v%du%d(u8 **buf, size_t *n, v%du%d v)\n";
 281                         char *fmt_s = "__attribute__((unused)) static void buf_write_v%ds%d(u8 **buf, size_t *n, v%ds%d v)\n";
 282
 283                         fprintf(c_fp, fmt_u, elems, bits, elems, bits);
 284                         fprintf(c_fp, "{\n");
 285                         fprintf(c_fp, "\tu%d *ptr = &v.x;\n", bits);
 286                         fprintf(c_fp, "\tfor (u8 i = 0; i < %d; ++i) {\n", elems);
 287                         fprintf(c_fp, "\t\tbuf_write_u%d(buf, n, *ptr++);\n", bits);
 288                         fprintf(c_fp, "\t}\n");
 289                         fprintf(c_fp, "}\n\n");
 290
 291                         fprintf(c_fp, fmt_s, elems, bits, elems, bits);
 292                         fprintf(c_fp, "{\n");
 293                         fprintf(c_fp, "\ts%d *ptr = &v.x;\n", bits);
 294                         fprintf(c_fp, "\tfor (u8 i = 0; i < %d; ++i) {\n", elems);
 295                         fprintf(c_fp, "\t\tbuf_write_s%d(buf, n, *ptr++);\n", bits);
 296                         fprintf(c_fp, "\t}\n");
 297                         fprintf(c_fp, "}\n\n");
 298
 299                         if (bits >= 32) {
 300                                 char *fmt_f = "__attribute__((unused)) static void buf_write_v%df%d(u8 **buf, size_t *n, v%df%d v)\n";
 301
 302                                 fprintf(c_fp, fmt_f, elems, bits, elems, bits);
 303                                 fprintf(c_fp, "{\n");
 304                                 fprintf(c_fp, "\tf%d *ptr = &v.x;\n", bits);
 305                                 fprintf(c_fp, "\tfor (u8 i = 0; i < %d; ++i) {\n", elems);
 306                                 fprintf(c_fp, "\t\tbuf_write_f%d(buf, n, *ptr++);\n", bits);
 307                                 fprintf(c_fp, "\t}\n");
 308                                 fprintf(c_fp, "}\n\n");
 309                         }
 310                 }
 311         }
 312
 313         for (u8 elems = 2; elems <= 4; ++elems) {
 314                 for (u8 bits = 8; bits <= 64; bits *= 2) {
 315                         char *fmt_u = "__attribute__((unused)) static void buf_write_aabb%du%d(u8 **buf, size_t *n, aabb%du%d v)\n";
 316                         char *fmt_s = "__attribute__((unused)) static void buf_write_aabb%ds%d(u8 **buf, size_t *n, aabb%ds%d v)\n";
 317
 318                         fprintf(c_fp, fmt_u, elems, bits, elems, bits);
 319                         fprintf(c_fp, "{\n");
 320                         fprintf(c_fp, "\tv%du%d *ptr = &v.min;\n", elems, bits);
 321                         fprintf(c_fp, "\tfor (u8 i = 0; i < 2; ++i) {\n");
 322                         fprintf(c_fp, "\t\tbuf_write_v%du%d(buf, n, *ptr++);\n", elems, bits);
 323                         fprintf(c_fp, "\t}\n");
 324                         fprintf(c_fp, "}\n\n");
 325
 326                         fprintf(c_fp, fmt_s, elems, bits, elems, bits);
 327                         fprintf(c_fp, "{\n");
 328                         fprintf(c_fp, "\tv%ds%d *ptr = &v.min;\n", elems, bits);
 329                         fprintf(c_fp, "\tfor (u8 i = 0; i < 2; ++i) {\n");
 330                         fprintf(c_fp, "\t\tbuf_write_v%ds%d(buf, n, *ptr++);\n", elems, bits);
 331                         fprintf(c_fp, "\t}\n");
 332                         fprintf(c_fp, "}\n\n");
 333
 334                         if (bits >= 32) {
 335                                 char *fmt_f = "__attribute__((unused)) static void buf_write_aabb%df%d(u8 **buf, size_t *n, aabb%df%d v)\n";
 336
 337                                 fprintf(c_fp, fmt_f, elems, bits, elems, bits);
 338                                 fprintf(c_fp, "{\n");
 339                                 fprintf(c_fp, "\tv%df%d *ptr = &v.min;\n", elems, bits);
 340                                 fprintf(c_fp, "\tfor (u8 i = 0; i < 2; ++i) {\n");
 341                                 fprintf(c_fp, "\t\tbuf_write_v%df%d(buf, n, *ptr++);\n", elems, bits);
 342                                 fprintf(c_fp, "\t}\n");
 343                                 fprintf(c_fp, "}\n\n");
 344                         }
 345                 }
 346         }
 347
 348         fprintf(c_fp, "__attribute__((unused)) static void buf_write_string(u8 **buf, size_t *n, string v)\n");
 349         fprintf(c_fp, "{\n");
 350         fprintf(c_fp, "\tdragonnet_write_raw(buf, n, v, strlen(v));\n");
 351         fprintf(c_fp, "}\n\n");
 352
 353         fprintf(c_fp, "__attribute__((unused)) static void buf_write_Blob(u8 **buf, size_t *n, Blob v)\n\n");
 354         fprintf(c_fp, "{\n");
 355         fprintf(c_fp, "\tbuf_write_u32(buf, n, v->siz);\n");
 356         fprintf(c_fp, "\tdragonnet_write_raw(buf, n, v->data, v->siz);\n");
 357         fprintf(c_fp, "}\n\n");
 358
 359         fprintf(c_fp, "__attribute__((unused)) static void buf_write_CompressedBlob(u8 **buf, size_t *n, CompressedBlob v)\n\n");
 360         fprintf(c_fp, "{\n");
 361         fprintf(c_fp, "\tchar compr[2 + v->blob->siz];\n\n");
 362         fprintf(c_fp, "\tz_stream s;\n");
 363         fprintf(c_fp, "\ts.zalloc = Z_NULL;\n");
 364         fprintf(c_fp , "\ts.zfree = Z_NULL;\n");
 365         fprintf(c_fp, "\ts.opaque = Z_NULL;\n\n");
 366         fprintf(c_fp, "\ts.avail_in = v->blob->siz;\n");
 367         fprintf(c_fp, "\ts.avail_out = 3 + v->blob->siz;\n");
 368         fprintf(c_fp, "\ts.next_in = (Bytef *) v->blob->data;\n");
 369         fprintf(c_fp, "\ts.next_out = (Bytef *) compr;\n\n");
 370         fprintf(c_fp, "\tdeflateInit(&s, Z_BEST_COMPRESSION);\n");
 371         fprintf(c_fp, "\tdeflate(&s, Z_FINISH);\n");
 372         fprintf(c_fp, "\tdeflateEnd(&s);\n\n");
 373         fprintf(c_fp, "\tv->siz = s.total_out;\n");
 374         fprintf(c_fp, "\tbuf_write_u32(buf, n, v->siz);\n");
 375         fprintf(c_fp, "\tbuf_write_u32(buf, n, v->blob->siz);\n");
 376         fprintf(c_fp, "\tdragonnet_write_raw(buf, n, compr, v->siz);\n");
 377         fprintf(c_fp, "}\n\n");
 378 }
 379
 380 static void gen_buffer_deserializers(FILE *c_fp)
 381 {
 382         for (u8 bits = 8; bits <= 64; bits *= 2) {
 383                 char *fmt_u = "__attribute__((unused)) static u%d buf_read_u%d(u8 **buf, size_t *n)\n";
 384                 char *fmt_s = "__attribute__((unused)) static s%d buf_read_s%d(u8 **buf, size_t *n)\n";
 385
 386                 fprintf(c_fp, fmt_u, bits, bits);
 387                 fprintf(c_fp, "{\n");
 388                 fprintf(c_fp, "\tu%d be;\n", bits);
 389                 fprintf(c_fp, "\tdragonnet_read_raw(buf, n, &be, sizeof be);\n");
 390                 fprintf(c_fp, "\treturn be%dtoh(be);\n", bits);
 391                 fprintf(c_fp, "}\n\n");
 392
 393                 fprintf(c_fp, fmt_s, bits, bits);
 394                 fprintf(c_fp, "{\n");
 395                 fprintf(c_fp, "\treturn (s%d) buf_read_u%d(buf, n);\n", bits, bits);
 396                 fprintf(c_fp, "}\n\n");
 397
 398                 if (bits >= 32) {
 399                         char *fmt_f = "__attribute__((unused)) static f%d buf_read_f%d(u8 **buf, size_t *n)\n";
 400
 401                         fprintf(c_fp, fmt_f, bits, bits);
 402                         fprintf(c_fp, "{\n");
 403                         fprintf(c_fp, "\treturn (f%d) buf_read_u%d(buf, n);\n", bits, bits);
 404                         fprintf(c_fp, "}\n\n");
 405                 }
 406         }
 407
 408         for (u8 elems = 2; elems <= 4; ++elems) {
 409                 for (u8 bits = 8; bits <= 64; bits *= 2) {
 410                         char *fmt_u = "__attribute__((unused)) static v%du%d buf_read_v%du%d(u8 **buf, size_t *n)\n";
 411                         char *fmt_s = "__attribute__((unused)) static v%ds%d buf_read_v%ds%d(u8 **buf, size_t *n)\n";
 412
 413                         fprintf(c_fp, fmt_u, elems, bits, elems, bits);
 414                         fprintf(c_fp, "{\n");
 415                         fprintf(c_fp, "\tv%du%d v = {0};\n", elems, bits);
 416                         fprintf(c_fp, "\tu%d *ptr = &v.x;\n\n", bits);
 417                         fprintf(c_fp, "\tfor (u8 i = 0; i < %d; ++i) {\n", elems);
 418                         fprintf(c_fp, "\t\t*ptr++ = buf_read_u%d(buf, n);\n", bits);
 419                         fprintf(c_fp, "\t}\n\n");
 420                         fprintf(c_fp, "\treturn v;\n");
 421                         fprintf(c_fp, "}\n\n");
 422
 423                         fprintf(c_fp, fmt_s, elems, bits, elems, bits);
 424                         fprintf(c_fp, "{\n");
 425                         fprintf(c_fp, "\tv%ds%d v = {0};\n", elems, bits);
 426                         fprintf(c_fp, "\ts%d *ptr = &v.x;\n\n", bits);
 427                         fprintf(c_fp, "\tfor (u8 i = 0; i < %d; ++i) {\n", elems);
 428                         fprintf(c_fp, "\t\t*ptr++ = buf_read_s%d(buf, n);\n", bits);
 429                         fprintf(c_fp, "\t}\n\n");
 430                         fprintf(c_fp, "\treturn v;\n");
 431                         fprintf(c_fp, "}\n\n");
 432
 433                         if (bits >= 32) {
 434                                 char *fmt_f = "__attribute__((unused)) static v%df%d buf_read_v%df%d(u8 **buf, size_t *n)\n";
 435
 436                                 fprintf(c_fp, fmt_f, elems, bits, elems, bits);
 437                                 fprintf(c_fp, "{\n");
 438                                 fprintf(c_fp, "\tv%df%d v = {0};\n", elems, bits);
 439                                 fprintf(c_fp, "\tf%d *ptr = &v.x;\n\n", bits);
 440                                 fprintf(c_fp, "\tfor (u8 i = 0; i < %d; ++i) {\n", elems);
 441                                 fprintf(c_fp, "\t\t*ptr++ = buf_read_f%d(buf, n);\n", bits);
 442                                 fprintf(c_fp, "\t}\n\n");
 443                                 fprintf(c_fp, "\treturn v;\n");
 444                                 fprintf(c_fp, "}\n\n");
 445                         }
 446                 }
 447         }
 448
 449         for (u8 elems = 2; elems <= 4; ++elems) {
 450                 for (u8 bits = 8; bits <= 64; bits *= 2) {
 451                         char *fmt_u = "__attribute__((unused)) static aabb%du%d buf_read_aabb%du%d(u8 **buf, size_t *n)\n";
 452                         char *fmt_s = "__attribute__((unused)) static aabb%ds%d buf_read_aabb%ds%d(u8 **buf, size_t *n)\n";
 453
 454                         fprintf(c_fp, fmt_u, elems, bits, elems, bits);
 455                         fprintf(c_fp, "{\n");
 456                         fprintf(c_fp, "\taabb%du%d v = {0};\n", elems, bits);
 457                         fprintf(c_fp, "\tv%du%d *ptr = &v.min;\n\n", elems, bits);
 458                         fprintf(c_fp, "\tfor (u8 i = 0; i < 2; ++i) {\n");
 459                         fprintf(c_fp, "\t\t*ptr++ = buf_read_v%du%d(buf, n);\n", elems, bits);
 460                         fprintf(c_fp, "\t}\n\n");
 461                         fprintf(c_fp, "\treturn v;\n");
 462                         fprintf(c_fp, "}\n\n");
 463
 464                         fprintf(c_fp, fmt_s, elems, bits, elems, bits);
 465                         fprintf(c_fp, "{\n");
 466                         fprintf(c_fp, "\taabb%ds%d v = {0};\n", elems, bits);
 467                         fprintf(c_fp, "\tv%ds%d *ptr = &v.min;\n\n", elems, bits);
 468                         fprintf(c_fp, "\tfor (u8 i = 0; i < 2; ++i) {\n");
 469                         fprintf(c_fp, "\t\t*ptr++ = buf_read_v%ds%d(buf, n);\n", elems, bits);
 470                         fprintf(c_fp, "\t}\n\n");
 471                         fprintf(c_fp, "\treturn v;\n");
 472                         fprintf(c_fp, "}\n\n");
 473
 474                         if (bits >= 32) {
 475                                 char *fmt_f = "__attribute__((unused)) static aabb%df%d buf_read_aabb%df%d(u8 **buf, size_t *n)\n";
 476
 477                                 fprintf(c_fp, fmt_f, elems, bits, elems, bits);
 478                                 fprintf(c_fp, "{\n");
 479                                 fprintf(c_fp, "\taabb%df%d v = {0};\n", elems, bits);
 480                                 fprintf(c_fp, "\tv%df%d *ptr = &v.min;\n\n", elems, bits);
 481                                 fprintf(c_fp, "\tfor (u8 i = 0; i < 2; ++i) {\n");
 482                                 fprintf(c_fp, "\t\t*ptr++ = buf_read_v%df%d(buf, n);\n", elems, bits);
 483                                 fprintf(c_fp, "\t}\n\n");
 484                                 fprintf(c_fp, "\treturn v;\n");
 485                                 fprintf(c_fp, "}\n\n");
 486                         }
 487                 }
 488         }
 489
 490         fprintf(c_fp, "__attribute__((unused)) static string buf_read_string(u8 **buf, size_t *n)\n");
 491         fprintf(c_fp, "{\n");
 492         fprintf(c_fp, "\tstring v = malloc(sizeof(u16));\n\n");
 493         fprintf(c_fp, "\tchar ch;\n");
 494         fprintf(c_fp, "\tfor (u16 i = 0; ch != '\\0'; ++i) {\n");
 495         fprintf(c_fp, "\t\tch = buf_read_s8(buf, n);\n");
 496         fprintf(c_fp, "\t\tv[i] = ch;\n");
 497         fprintf(c_fp, "\t}\n\n");
 498         fprintf(c_fp, "\tv = realloc(v, strlen(v));\n");
 499         fprintf(c_fp, "\treturn v;\n");
 500         fprintf(c_fp, "}\n\n");
 501
 502         fprintf(c_fp, "__attribute__((unused)) static Blob buf_read_Blob(u8 **buf, size_t *n)\n");
 503         fprintf(c_fp, "{\n");
 504         fprintf(c_fp, "\tBlob v = malloc(sizeof *v);\n");
 505         fprintf(c_fp, "\tv->siz = buf_read_u32(buf, n);\n");
 506         fprintf(c_fp, "\tv->data = malloc(v->siz);\n");
 507         fprintf(c_fp, "\tdragonnet_read_raw(buf, n, v->data, v->siz);\n\n");
 508         fprintf(c_fp, "\treturn v;\n");
 509         fprintf(c_fp, "}\n\n");
 510
 511         fprintf(c_fp, "__attribute__((unused)) static CompressedBlob buf_read_CompressedBlob(u8 **buf, size_t *n)\n");
 512         fprintf(c_fp, "{\n");
 513         fprintf(c_fp, "\tCompressedBlob v = malloc(sizeof *v);\n");
 514         fprintf(c_fp, "\tv->blob = malloc(sizeof *v->blob);\n\n");
 515         fprintf(c_fp, "\tv->siz = buf_read_u32(buf, n);\n");
 516         fprintf(c_fp, "\tv->blob->siz = buf_read_u32(buf, n);\n");
 517         fprintf(c_fp, "\tv->blob->data = malloc(v->blob->siz);\n\n");
 518         fprintf(c_fp, "\tchar compr[v->siz];\n");
 519         fprintf(c_fp, "\tdragonnet_read_raw(buf, n, compr, sizeof compr);\n\n");
 520         fprintf(c_fp, "\tz_stream s;\n");
 521         fprintf(c_fp, "\ts.zalloc = Z_NULL;\n");
 522         fprintf(c_fp, "\ts.zfree = Z_NULL;\n");
 523         fprintf(c_fp, "\ts.opaque = Z_NULL;\n\n");
 524         fprintf(c_fp, "\ts.avail_in = v->siz;\n");
 525         fprintf(c_fp, "\ts.next_in = (Bytef *) compr;\n");
 526         fprintf(c_fp, "\ts.avail_out = v->blob->siz;\n");
 527         fprintf(c_fp, "\ts.next_out = (Bytef *) v->blob->data;\n\n");
 528         fprintf(c_fp, "\tinflateInit(&s);\n");
 529         fprintf(c_fp, "\tinflate(&s, Z_NO_FLUSH);\n");
 530         fprintf(c_fp, "\tinflateEnd(&s);\n\n");
 531         fprintf(c_fp, "\treturn v;\n");
 532         fprintf(c_fp, "}\n\n");
 533 }
 534
 535 int main(__attribute((unused)) int argc, __attribute((unused)) char **argv)
 536 {
 537         FILE *fp = fopen("types.dnet", "r");
 538
 539         char data[1 << 16];
 540         memset(data, '\0', sizeof data);
 541         fread(data, sizeof *data, sizeof data, fp);
 542
 543         fclose(fp);
 544         fp = NULL;
 545
 546         FILE *c_fp = fopen("dnet-types.c", "w");
 547         fprintf(c_fp, "/*\n");
 548         fprintf(c_fp, "\tThis file was automatically generated by Dragonnet.\n");
 549         fprintf(c_fp, "\tDo NOT edit it manually. Instead, edit types.dnet and re-run DragonnetTypegen.\n");
 550         fprintf(c_fp, "*/\n\n");
 551         fprintf(c_fp, "#include <stdlib.h>\n");
 552         fprintf(c_fp, "#include <string.h>\n");
 553         fprintf(c_fp, "#include <dragonnet/recv.h>\n");
 554         fprintf(c_fp, "#include <dragonnet/send.h>\n");
 555         fprintf(c_fp, "#include <zlib.h>\n\n");
 556         fprintf(c_fp, "#include \"dnet-types.h\"\n\n");
 557
 558         FILE *h_fp = fopen("dnet-types.h", "w");
 559         fprintf(h_fp, "/*\n");
 560         fprintf(h_fp, "\tThis file was automatically generated by Dragonnet.\n");
 561         fprintf(h_fp, "\tDo NOT edit it manually. Instead, edit types.dnet and re-run DragonnetTypegen.\n");
 562         fprintf(h_fp, "*/\n\n");
 563         fprintf(h_fp, "#include <dragontype/number.h>\n\n");
 564         fprintf(h_fp, "#define htobe8(x) (x)\n");
 565         fprintf(h_fp, "#define be8toh(x) (x)\n\n");
 566         fprintf(h_fp, "typedef char *string;\n\n");
 567         fprintf(h_fp, "typedef struct {\n\tu32 siz;\n\tu8 *data;\n} *Blob;\n\n");
 568         fprintf(h_fp, "typedef struct {\n");
 569         fprintf(h_fp, "\tu32 siz;\n");
 570         fprintf(h_fp, "\tBlob blob;\n");
 571         fprintf(h_fp, "} *CompressedBlob;\n\n");
 572
 573         gen_serializers(c_fp);
 574         gen_deserializers(c_fp);
 575
 576         gen_buffer_serializers(c_fp);
 577         gen_buffer_deserializers(c_fp);
 578
 579         char **msgs;
 580         size_t msgs_len = split(&msgs, data, "\n");
 581
 582         // Create data types
 583         char *msg = NULL;
 584         for (size_t i = 0; i < msgs_len; ++i) {
 585                 if (msgs[i][0] != '\t') {
 586                         if (msg != NULL)
 587                                 fprintf(h_fp, "} %s;\n\n", msg);
 588
 589                         msg = msgs[i];
 590                         fprintf(h_fp, "typedef struct {\n");
 591                 } else {
 592                         char **tokens;
 593                         size_t tokens_len = split(&tokens, msgs[i], " ");
 594
 595                         fprintf(h_fp, "\t%s %s;\n", &tokens[0][1], tokens[1]);
 596                         free_split(tokens, tokens_len);
 597                         tokens = NULL;
 598                 }
 599         }
 600
 601         fprintf(h_fp, "} %s;\n\n", msg);
 602         msg = NULL;
 603
 604         // Create (de)serialization functions
 605         for (size_t i = 0; i < msgs_len; ++i) {
 606                 if (msgs[i][0] != '\t') {
 607                         if (msg != NULL)
 608                                 fprintf(c_fp, "}\n\n");
 609
 610                         msg = msgs[i];
 611                         fprintf(c_fp, "__attribute__((unused)) static void send_%s(DragonnetPeer *p, %s type)\n{\n", msg, msg);
 612                 } else {
 613                         char **tokens;
 614                         size_t tokens_len = split(&tokens, msgs[i], " ");
 615
 616                         fprintf(c_fp, "\tsend_%s(p, false, type.%s);\n", &tokens[0][1], tokens[1]);
 617                         free_split(tokens, tokens_len);
 618                         tokens = NULL;
 619                 }
 620         }
 621
 622         fprintf(c_fp, "}\n\n");
 623         msg = NULL;
 624
 625         for (size_t i = 0; i < msgs_len; ++i) {
 626                 if (msgs[i][0] != '\t') {
 627                         if (msg != NULL)
 628                                 fprintf(c_fp, "}\n\n");
 629
 630                         msg = msgs[i];
 631                         fprintf(h_fp, "void dragonnet_peer_send_%s(DragonnetPeer *p, %s *type);\n", msg, msg);
 632                         fprintf(c_fp, "void dragonnet_peer_send_%s(DragonnetPeer *p, %s *type)\n{\n", msg, msg);
 633
 634                         char upper[1 + strlen(msgs[i])];
 635                         char *ptr = upper;
 636                         strcpy(upper, msg);
 637
 638                         while ((*ptr = *ptr ? toupper(*ptr) : '\0'))
 639                                 ++ptr;
 640
 641                         fprintf(c_fp, "\tsend_u16(p, false, DRAGONNET_TYPE_%s);\n", upper);
 642                 } else {
 643                         char **tokens;
 644                         size_t tokens_len = split(&tokens, msgs[i], " ");
 645
 646                         if (i >= msgs_len-1 || msgs[1+i][0] != '\t')
 647                                 fprintf(c_fp, "\tsend_%s(p, true, type->%s);\n", &tokens[0][1], tokens[1]);
 648                         else
 649                                 fprintf(c_fp, "\tsend_%s(p, false, type->%s);\n", &tokens[0][1], tokens[1]);
 650
 651                         free_split(tokens, tokens_len);
 652                         tokens = NULL;
 653                 }
 654         }
 655
 656         fprintf(c_fp, "}\n\n");
 657         msg = NULL;
 658
 659         for (size_t i = 0; i < msgs_len; ++i) {
 660                 if (msgs[i][0] != '\t') {
 661                         if (msg != NULL) {
 662                                 fprintf(c_fp, "}\n\n");
 663                         }
 664
 665                         msg = msgs[i];
 666                         fprintf(c_fp, "static void dragonnet_peer_recv_%s(DragonnetPeer *p, void *buf)\n{\n", msg);
 667                         fprintf(c_fp, "\t%s *type = (%s *) buf;\n", msg, msg);
 668                 } else {
 669                         char **tokens;
 670                         size_t tokens_len = split(&tokens, msgs[i], " ");
 671
 672                         char type[strlen(&tokens[0][1])];
 673                         strcpy(type, &tokens[0][1]);
 674
 675                         for (size_t bits = 8; bits <= 64; bits *= 2) {
 676                                 const char *fmt[] = {"u%d", "s%d", "f%d"};
 677                                 for (size_t j = 0; j < sizeof fmt / sizeof *fmt; ++j) {
 678                                         char *cmp;
 679                                         asprintf(&cmp, fmt[j], bits);
 680
 681                                         if (strcmp(type, cmp) == 0)
 682                                                 sprintf(type, "n%ld", bits);
 683
 684                                         free(cmp);
 685                                 }
 686                         }
 687
 688                         fprintf(c_fp, "\trecv_%s(p, &type->%s);\n", type, tokens[1]);
 689                         free_split(tokens, tokens_len);
 690                         tokens = NULL;
 691                 }
 692         }
 693
 694         fprintf(c_fp, "}\n");
 695         msg = NULL;
 696
 697         // Buffer (de)serialization
 698         for (size_t i = 0; i < msgs_len; ++i) {
 699                 if (msgs[i][0] != '\t') {
 700                         if (msg != NULL)
 701                                 fprintf(c_fp, "}\n\n");
 702
 703                         msg = msgs[i];
 704                         fprintf(c_fp, "void dragonnet_buf_write_%s(u8 **buf, size_t *n, %s type)\n{\n", msg, msg);
 705                 } else {
 706                         char **tokens;
 707                         size_t tokens_len = split(&tokens, msgs[i], " ");
 708
 709                         fprintf(c_fp, "\tbuf_write_%s(buf, n, type.%s);\n", &tokens[0][1], tokens[1]);
 710
 711                         free_split(tokens, tokens_len);
 712                         tokens = NULL;
 713                 }
 714         }
 715
 716         fprintf(c_fp, "}\n\n");
 717         msg = NULL;
 718
 719         for (size_t i = 0; i < msgs_len; ++i) {
 720                 if (msgs[i][0] != '\t') {
 721                         if (msg != NULL) {
 722                                 fprintf(c_fp, "\treturn type;\n");
 723                                 fprintf(c_fp, "}\n\n");
 724                         }
 725
 726                         msg = msgs[i];
 727                         fprintf(h_fp, "%s dragonnet_buf_read_%s(u8 **buf, size_t *n);\n", msg, msg);
 728                         fprintf(c_fp, "%s dragonnet_buf_read_%s(u8 **buf, size_t *n)\n{\n", msg, msg);
 729                         fprintf(c_fp, "\t%s type = {0};\n", msg);
 730                 } else {
 731                         char **tokens;
 732                         size_t tokens_len = split(&tokens, msgs[i], " ");
 733
 734                         fprintf(c_fp, "\ttype.%s = buf_read_%s(buf, n);\n", tokens[1], &tokens[0][1]);
 735                         free_split(tokens, tokens_len);
 736                         tokens = NULL;
 737                 }
 738         }
 739
 740         fprintf(h_fp, "\n");
 741         fprintf(c_fp, "\treturn type;\n");
 742         fprintf(c_fp, "}\n\n");
 743         msg = NULL;
 744
 745         // Create type enum
 746         fprintf(h_fp, "typedef enum {\n");
 747         for (size_t i = 0; i < msgs_len; ++i) {
 748                 if (msgs[i][0] == '\t')
 749                         continue;
 750
 751                 char upper[1 + strlen(msgs[i])];
 752                 char *ptr = upper;
 753                 strcpy(upper, msgs[i]);
 754
 755                 while ((*ptr = *ptr ? toupper(*ptr) : '\0'))
 756                         ++ptr;
 757
 758                 fprintf(h_fp, "\tDRAGONNET_TYPE_%s,\n", upper);
 759         }
 760
 761         fprintf(h_fp, "\tDRAGONNET_NUM_TYPES\n");
 762         fprintf(h_fp, "} DragonnetTypeNum;\n");
 763
 764         // ABI
 765         fprintf(c_fp, "u16 dragonnet_num_types = DRAGONNET_NUM_TYPES;\n");
 766         fprintf(c_fp, "DragonnetType dragonnet_types[] = {\n");
 767
 768         for (size_t i = 0; i < msgs_len; ++i) {
 769                 if (msgs[i][0] == '\t')
 770                         continue;
 771
 772                 fprintf(c_fp, "\t{\n");
 773                 fprintf(c_fp, "\t\t.siz = sizeof(%s),\n", msgs[i]);
 774                 fprintf(c_fp, "\t\t.deserialize = &dragonnet_peer_recv_%s\n", msgs[i]);
 775                 fprintf(c_fp, "\t},\n");
 776         }
 777
 778         fprintf(c_fp, "};\n");
 779
 780         free_split(msgs, msgs_len);
 781         msgs = NULL;
 782
 783         fclose(c_fp);
 784         fclose(h_fp);
 785         c_fp = NULL;
 786         h_fp = NULL;
 787 }