source/blender/makesdna/intern/makesdna.c

   1 /*
   2  * ***** BEGIN GPL LICENSE BLOCK *****
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  *
  18  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
  19  * All rights reserved.
  20  *
  21  * The Original Code is: all of this file.
  22  *
  23  * Contributor(s): none yet.
  24  *
  25  * ***** END GPL LICENSE BLOCK *****
  26  */
  27
  28 /**  \file makesdna.c
  29  *   \brief Struct muncher for making SDNA.
  30  *   \ingroup DNA
  31  *
  32  * \section aboutmakesdnac About makesdna tool
  33  * Originally by Ton, some mods by Frank, and some cleaning and
  34  * extension by Nzc.
  35  *
  36  * Makesdna creates a .c file with a long string of numbers that
  37  * encode the Blender file format. It is fast, because it is basically
  38  * a binary dump. There are some details to mind when reconstructing
  39  * the file (endianness and byte-alignment).
  40  *
  41  * This little program scans all structs that need to be serialized,
  42  * and determined the names and types of all members. It calculates
  43  * how much memory (on disk or in ram) is needed to store that struct,
  44  * and the offsets for reaching a particular one.
  45  *
  46  * There is a facility to get verbose output from sdna. Search for
  47  * \ref debugSDNA. This int can be set to 0 (no output) to some int. Higher
  48  * numbers give more output.
  49  * */
  50
  51 #define DNA_VERSION_DATE "FIXME-DNA_VERSION_DATE"
  52
  53 #include <string.h>
  54 #include <stdlib.h>
  55 #include <stdio.h>
  56
  57 #include "MEM_guardedalloc.h"
  58 #include "DNA_sdna_types.h"
  59
  60 #include "BLO_sys_types.h" // for intptr_t support
  61
  62 #define SDNA_MAX_FILENAME_LENGTH 255
  63
  64
  65 /* Included the path relative from /source/blender/ here, so we can move     */
  66 /* headers around with more freedom.                                         */
  67 const char *includefiles[] = {
  68
  69         // if you add files here, please add them at the end
  70         // of makesdna.c (this file) as well
  71
  72         "DNA_listBase.h",
  73         "DNA_vec_types.h",
  74         "DNA_ID.h",
  75         "DNA_ipo_types.h",
  76         "DNA_key_types.h",
  77         "DNA_text_types.h",
  78         "DNA_packedFile_types.h",
  79         "DNA_camera_types.h",
  80         "DNA_image_types.h",
  81         "DNA_texture_types.h",
  82         "DNA_lamp_types.h",
  83         "DNA_material_types.h",
  84         "DNA_vfont_types.h",
  85         // if you add files here, please add them at the end
  86         // of makesdna.c (this file) as well
  87         "DNA_meta_types.h",
  88         "DNA_curve_types.h",
  89         "DNA_mesh_types.h",
  90         "DNA_meshdata_types.h",
  91         "DNA_modifier_types.h",
  92         "DNA_lattice_types.h",
  93         "DNA_object_types.h",
  94         "DNA_object_force.h",
  95         "DNA_object_fluidsim.h",
  96         "DNA_world_types.h",
  97         "DNA_scene_types.h",
  98         "DNA_view3d_types.h",
  99         "DNA_view2d_types.h",
 100         "DNA_space_types.h",
 101         "DNA_userdef_types.h",
 102         "DNA_screen_types.h",
 103         "DNA_sdna_types.h",
 104         // if you add files here, please add them at the end
 105         // of makesdna.c (this file) as well
 106         "DNA_fileglobal_types.h",
 107         "DNA_sequence_types.h",
 108         "DNA_effect_types.h",
 109         "DNA_outliner_types.h",
 110         "DNA_property_types.h",
 111         "DNA_sensor_types.h",
 112         "DNA_controller_types.h",
 113         "DNA_actuator_types.h",
 114         "DNA_sound_types.h",
 115         "DNA_group_types.h",
 116         "DNA_armature_types.h",
 117         "DNA_action_types.h",
 118         "DNA_constraint_types.h",
 119         "DNA_nla_types.h",
 120         "DNA_node_types.h",
 121         "DNA_color_types.h",
 122         "DNA_brush_types.h",
 123         "DNA_customdata_types.h",
 124         "DNA_particle_types.h",
 125         "DNA_cloth_types.h",
 126         "DNA_gpencil_types.h",
 127         // if you add files here, please add them at the end
 128         // of makesdna.c (this file) as well
 129         "DNA_windowmanager_types.h",
 130         "DNA_anim_types.h",
 131         "DNA_boid_types.h",
 132         "DNA_smoke_types.h",
 133         "DNA_speaker_types.h",
 134
 135         // empty string to indicate end of includefiles
 136         ""
 137 };
 138
 139 static int maxdata= 500000, maxnr= 50000;
 140 static int nr_names=0;
 141 static int nr_types=0;
 142 static int nr_structs=0;
 143 static char **names, *namedata;         /* at address names[a] is string a */
 144 static char **types, *typedata;         /* at address types[a] is string a */
 145 static short *typelens;                         /* at typelens[a] is de length of type a */
 146 static short *alphalens;                        /* contains sizes as they are calculated on the DEC Alpha (64 bits), infact any 64bit system */
 147 static short **structs, *structdata;/* at sp= structs[a] is the first address of a struct definition
 148                                                                        sp[0] is type number
 149                                                                    sp[1] is amount of elements
 150                                                                    sp[2] sp[3] is typenr,  namenr (etc) */
 151 /**
 152  * Variable to control debug output of makesdna.
 153  * debugSDNA:
 154  *  - 0 = no output, except errors
 155  *  - 1 = detail actions
 156  *  - 2 = full trace, tell which names and types were found
 157  *  - 4 = full trace, plus all gritty details
 158  */
 159 static int debugSDNA = 0;
 160 static int additional_slen_offset;
 161
 162 /* ************************************************************************** */
 163 /* Functions                                                                  */
 164 /* ************************************************************************** */
 165
 166 /**
 167  * Add type \c str to struct indexed by \c len, if it was not yet found.
 168  * \param str char
 169  * \param len int
 170  */
 171 static int add_type(const char *str, int len);
 172
 173 /**
 174  * Add variable \c str to
 175  * \param str
 176  */
 177 static int add_name(const char *str);
 178
 179 /**
 180  * Search whether this structure type was already found, and if not,
 181  * add it.
 182  */
 183 static short *add_struct(int namecode);
 184
 185 /**
 186  * Remove comments from this buffer. Assumes that the buffer refers to
 187  * ascii-code text.
 188  */
 189 static int preprocess_include(char *maindata, int len);
 190
 191 /**
 192  * Scan this file for serializable types.
 193  */
 194 static int convert_include(char *filename);
 195
 196 /**
 197  * Determine how many bytes are needed for an array.
 198  */
 199 static int arraysize(char *astr, int len);
 200
 201 /**
 202  * Determine how many bytes are needed for each struct.
 203  */
 204 static int calculate_structlens(int);
 205
 206 /**
 207  * Construct the DNA.c file
 208  */
 209 void dna_write(FILE *file, void *pntr, int size);
 210
 211 /**
 212  * Report all structures found so far, and print their lengths.
 213  */
 214 void printStructLenghts(void);
 215
 216
 217
 218 /* ************************************************************************** */
 219 /* Implementation                                                             */
 220 /* ************************************************************************** */
 221
 222 /* ************************* MAKEN DNA ********************** */
 223
 224 int add_type(const char *str, int len)
 225 {
 226         int nr;
 227         char *cp;
 228
 229         if(str[0]==0) return -1;
 230
 231         /* search through type array */
 232         for(nr=0; nr<nr_types; nr++) {
 233                 if(strcmp(str, types[nr])==0) {
 234                         if (len) {
 235                                 typelens[nr]= len;
 236                                 alphalens[nr] = len;
 237                         }
 238                         return nr;
 239                 }
 240         }
 241
 242         /* append new type */
 243         if(nr_types==0) cp= typedata;
 244         else {
 245                 cp= types[nr_types-1]+strlen(types[nr_types-1])+1;
 246         }
 247         strcpy(cp, str);
 248         types[nr_types]= cp;
 249         typelens[nr_types]= len;
 250         alphalens[nr_types]= len;
 251
 252         if(nr_types>=maxnr) {
 253                 printf("too many types\n");
 254                 return nr_types-1;
 255         }
 256         nr_types++;
 257
 258         return nr_types-1;
 259 }
 260
 261
 262 /**
 263  *
 264  * Because of the weird way of tokenizing, we have to 'cast' function
 265  * pointers to ... (*f)(), whatever the original signature. In fact,
 266  * we add name and type at the same time... There are two special
 267  * cases, unfortunately. These are explicitly checked.
 268  *
 269  * */
 270 static int add_name(const char *str)
 271 {
 272         int nr, i, j, k;
 273         char *cp;
 274         char buf[255]; /* stupid limit, change it :) */
 275         const char *name;
 276
 277         additional_slen_offset = 0;
 278
 279         if(str[0]==0 /*  || (str[1]==0) */) return -1;
 280
 281         if (str[0] == '(' && str[1] == '*') {
 282                 /* we handle function pointer and special array cases here, e.g.
 283                    void (*function)(...) and float (*array)[..]. the array case
 284                    name is still converted to (array*)() though because it is that
 285                    way in old dna too, and works correct with elementsize() */
 286                 int isfuncptr = (strchr(str+1, '(')) != NULL;
 287
 288                 if (debugSDNA > 3) printf("\t\t\t\t*** Function pointer or multidim array pointer found\n");
 289                 /* functionpointer: transform the type (sometimes) */
 290                 i = 0;
 291
 292                 while (str[i] != ')') {
 293                         buf[i] = str[i];
 294                         i++;
 295                 }
 296
 297                 /* Another number we need is the extra slen offset. This extra
 298                  * offset is the overshoot after a space. If there is no
 299                  * space, no overshoot should be calculated. */
 300                 j = i; /* j at first closing brace */
 301
 302                 if (debugSDNA > 3) printf("first brace after offset %d\n", i);
 303
 304                 j++; /* j beyond closing brace ? */
 305                 while ((str[j] != 0) && (str[j] != ')' )) {
 306                         if (debugSDNA > 3) printf("seen %c ( %d) \n", str[j], str[j]);
 307                         j++;
 308                 }
 309                 if (debugSDNA > 3) printf("seen %c ( %d) \n", str[j], str[j]);
 310                 if (debugSDNA > 3) printf("special after offset %d\n", j);
 311
 312                 if (!isfuncptr) {
 313                         /* multidimensional array pointer case */
 314                         if(str[j] == 0) {
 315                                 if (debugSDNA > 3) printf("offsetting for multidim array pointer\n");
 316                         }
 317                         else
 318                                 printf("Error during tokening multidim array pointer\n");
 319                 }
 320                 else if (str[j] == 0 ) {
 321                         if (debugSDNA > 3) printf("offsetting for space\n");
 322                         /* get additional offset */
 323                         k = 0;
 324                         while (str[j] != ')') {
 325                                 j++;
 326                                 k++;
 327                         }
 328                         if (debugSDNA > 3) printf("extra offset %d\n", k);
 329                         additional_slen_offset = k;
 330                 } else if (str[j] == ')' ) {
 331                         if (debugSDNA > 3) printf("offsetting for brace\n");
 332                         ; /* don't get extra offset */
 333                 } else {
 334                         printf("Error during tokening function pointer argument list\n");
 335                 }
 336
 337                 /*
 338                  * Put )(void) at the end? Maybe )(). Should check this with
 339                  * old sdna. Actually, sometimes )(), sometimes )(void...)
 340                  * Alas.. such is the nature of braindamage :(
 341                  *
 342                  * Sorted it out: always do )(), except for headdraw and
 343                  * windraw, part of ScrArea. This is important, because some
 344                  * linkers will treat different fp's differently when called
 345                  * !!! This has to do with interference in byte-alignment and
 346                  * the way args are pushed on the stack.
 347                  *
 348                  * */
 349                 buf[i] = 0;
 350                 if (debugSDNA > 3) printf("Name before chomping: %s\n", buf);
 351                 if ( (strncmp(buf,"(*headdraw", 10) == 0)
 352                         || (strncmp(buf,"(*windraw", 9) == 0) ) {
 353                         buf[i] = ')';
 354                         buf[i+1] = '(';
 355                         buf[i+2] = 'v';
 356                         buf[i+3] = 'o';
 357                         buf[i+4] = 'i';
 358                         buf[i+5] = 'd';
 359                         buf[i+6] = ')';
 360                         buf[i+7] = 0;
 361                 } else {
 362                         buf[i] = ')';
 363                         buf[i+1] = '(';
 364                         buf[i+2] = ')';
 365                         buf[i+3] = 0;
 366                 }
 367                 /* now precede with buf*/
 368                 if (debugSDNA > 3)  printf("\t\t\t\t\tProposing fp name %s\n", buf);
 369                 name = buf;
 370         } else {
 371                 /* normal field: old code */
 372                 name = str;
 373         }
 374
 375         /* search name array */
 376         for(nr=0; nr<nr_names; nr++) {
 377                 if(strcmp(name, names[nr])==0) {
 378                         return nr;
 379                 }
 380         }
 381
 382         /* append new type */
 383         if(nr_names==0) cp= namedata;
 384         else {
 385                 cp= names[nr_names-1]+strlen(names[nr_names-1])+1;
 386         }
 387         strcpy(cp, name);
 388         names[nr_names]= cp;
 389
 390         if(nr_names>=maxnr) {
 391                 printf("too many names\n");
 392                 return nr_names-1;
 393         }
 394         nr_names++;
 395
 396         return nr_names-1;
 397 }
 398
 399 short *add_struct(int namecode)
 400 {
 401         int len;
 402         short *sp;
 403
 404         if(nr_structs==0) {
 405                 structs[0]= structdata;
 406         }
 407         else {
 408                 sp= structs[nr_structs-1];
 409                 len= sp[1];
 410                 structs[nr_structs]= sp+ 2*len+2;
 411         }
 412
 413         sp= structs[nr_structs];
 414         sp[0]= namecode;
 415
 416         if(nr_structs>=maxnr) {
 417                 printf("too many structs\n");
 418                 return sp;
 419         }
 420         nr_structs++;
 421
 422         return sp;
 423 }
 424
 425 static int preprocess_include(char *maindata, int len)
 426 {
 427         int a, newlen, comment = 0;
 428         char *cp, *temp, *md;
 429
 430         /* note: len + 1, last character is a dummy to prevent
 431          * comparisons using uninitialized memory */
 432         temp= MEM_mallocN(len + 1, "preprocess_include");
 433         temp[len]= ' ';
 434
 435         memcpy(temp, maindata, len);
 436
 437         // remove all c++ comments
 438         /* replace all enters/tabs/etc with spaces */
 439         cp= temp;
 440         a= len;
 441         comment = 0;
 442         while(a--) {
 443                 if(cp[0]=='/' && cp[1]=='/') {
 444                         comment = 1;
 445                 } else if (*cp<32) {
 446                         comment = 0;
 447                 }
 448                 if (comment || *cp<32 || *cp>128 ) *cp= 32;
 449                 cp++;
 450         }
 451
 452
 453         /* data from temp copy to maindata, remove comments and double spaces */
 454         cp= temp;
 455         md= maindata;
 456         newlen= 0;
 457         comment= 0;
 458         a= len;
 459         while(a--) {
 460
 461                 if(cp[0]=='/' && cp[1]=='*') {
 462                         comment= 1;
 463                         cp[0]=cp[1]= 32;
 464                 }
 465                 if(cp[0]=='*' && cp[1]=='/') {
 466                         comment= 0;
 467                         cp[0]=cp[1]= 32;
 468                 }
 469
 470                 /* do not copy when: */
 471                 if(comment);
 472                 else if( cp[0]==' ' && cp[1]==' ' );
 473                 else if( cp[-1]=='*' && cp[0]==' ' );   /* pointers with a space */
 474                 else {
 475                         md[0]= cp[0];
 476                         md++;
 477                         newlen++;
 478                 }
 479                 cp++;
 480         }
 481
 482         MEM_freeN(temp);
 483         return newlen;
 484 }
 485
 486 static void *read_file_data(char *filename, int *len_r)
 487 {
 488 #ifdef WIN32
 489         FILE *fp= fopen(filename, "rb");
 490 #else
 491         FILE *fp= fopen(filename, "r");
 492 #endif
 493         void *data;
 494
 495         if (!fp) {
 496                 *len_r= -1;
 497                 return NULL;
 498         }
 499
 500         fseek(fp, 0L, SEEK_END);
 501         *len_r= ftell(fp);
 502         fseek(fp, 0L, SEEK_SET);
 503
 504         data= MEM_mallocN(*len_r, "read_file_data");
 505         if (!data) {
 506                 *len_r= -1;
 507                 fclose(fp);
 508                 return NULL;
 509         }
 510
 511         if (fread(data, *len_r, 1, fp)!=1) {
 512                 *len_r= -1;
 513                 MEM_freeN(data);
 514                 fclose(fp);
 515                 return NULL;
 516         }
 517
 518         fclose(fp);
 519         return data;
 520 }
 521
 522 int convert_include(char *filename)
 523 {
 524         /* read include file, skip structs with a '#' before it.
 525            store all data in temporal arrays.
 526         */
 527         int filelen, count, overslaan, slen, type, name, strct;
 528         short *structpoin, *sp;
 529         char *maindata, *mainend, *md, *md1;
 530
 531         md= maindata= read_file_data(filename, &filelen);
 532         if (filelen==-1) {
 533                 printf("Can't read file %s\n", filename);
 534                 return 1;
 535         }
 536
 537         filelen= preprocess_include(maindata, filelen);
 538         mainend= maindata+filelen-1;
 539
 540         /* we look for '{' and then back to 'struct' */
 541         count= 0;
 542         overslaan= 0;
 543         while(count<filelen) {
 544
 545                 /* code for skipping a struct: two hashes on 2 lines. (preprocess added a space) */
 546                 if(md[0]=='#' && md[1]==' ' && md[2]=='#') {
 547                         overslaan= 1;
 548                 }
 549
 550                 if(md[0]=='{') {
 551                         md[0]= 0;
 552                         if(overslaan) {
 553                                 overslaan= 0;
 554                         }
 555                         else {
 556                                 if(md[-1]==' ') md[-1]= 0;
 557                                 md1= md-2;
 558                                 while( *md1!=32) md1--;         /* to beginning of word */
 559                                 md1++;
 560
 561                                 /* we've got a struct name when... */
 562                                 if( strncmp(md1-7, "struct", 6)==0 ) {
 563
 564
 565                                         strct= add_type(md1, 0);
 566                                         structpoin= add_struct(strct);
 567                                         sp= structpoin+2;
 568
 569                                         if (debugSDNA > 1) printf("\t|\t|-- detected struct %s\n", types[strct]);
 570
 571                                         /* first lets make it all nice strings */
 572                                         md1= md+1;
 573                                         while(*md1 != '}') {
 574                                                 if(md1>mainend) break;
 575
 576                                                 if(*md1==',' || *md1==' ') *md1= 0;
 577                                                 md1++;
 578                                         }
 579
 580                                         /* read types and names until first character that is not '}' */
 581                                         md1= md+1;
 582                                         while( *md1 != '}' ) {
 583                                                 if(md1>mainend) break;
 584
 585                                                 /* skip when it says 'struct' or 'unsigned' or 'const' */
 586                                                 if(*md1) {
 587                                                         if( strncmp(md1, "struct", 6)==0 ) md1+= 7;
 588                                                         if( strncmp(md1, "unsigned", 8)==0 ) md1+= 9;
 589                                                         if( strncmp(md1, "const", 5)==0 ) md1+= 6;
 590
 591                                                         /* we've got a type! */
 592                                                         type= add_type(md1, 0);
 593
 594                                                         if (debugSDNA > 1) printf("\t|\t|\tfound type %s (", md1);
 595
 596                                                         md1+= strlen(md1);
 597
 598
 599                                                         /* read until ';' */
 600                                                         while( *md1 != ';' ) {
 601                                                                 if(md1>mainend) break;
 602
 603                                                                 if(*md1) {
 604                                                                         /* We've got a name. slen needs
 605                                                                          * correction for function
 606                                                                          * pointers! */
 607                                                                         slen= (int) strlen(md1);
 608                                                                         if( md1[slen-1]==';' ) {
 609                                                                                 md1[slen-1]= 0;
 610
 611
 612                                                                                 name= add_name(md1);
 613                                                                                 slen += additional_slen_offset;
 614                                                                                 sp[0]= type;
 615                                                                                 sp[1]= name;
 616
 617                                                                                 if ((debugSDNA>1) && (names[name] != NULL)) printf("%s |", names[name]);
 618
 619                                                                                 structpoin[1]++;
 620                                                                                 sp+= 2;
 621
 622                                                                                 md1+= slen;
 623                                                                                 break;
 624                                                                         }
 625
 626
 627                                                                         name= add_name(md1);
 628                                                                         slen += additional_slen_offset;
 629
 630                                                                         sp[0]= type;
 631                                                                         sp[1]= name;
 632                                                                         if ((debugSDNA > 1) && (names[name] != NULL)) printf("%s ||", names[name]);
 633
 634                                                                         structpoin[1]++;
 635                                                                         sp+= 2;
 636
 637                                                                         md1+= slen;
 638                                                                 }
 639                                                                 md1++;
 640                                                         }
 641
 642                                                         if (debugSDNA > 1) printf(")\n");
 643
 644                                                 }
 645                                                 md1++;
 646                                         }
 647                                 }
 648                         }
 649                 }
 650                 count++;
 651                 md++;
 652         }
 653
 654         MEM_freeN(maindata);
 655
 656         return 0;
 657 }
 658
 659 int arraysize(char *astr, int len)
 660 {
 661         int a, mul=1;
 662         char str[100], *cp=NULL;
 663
 664         memcpy(str, astr, len+1);
 665
 666         for(a=0; a<len; a++) {
 667                 if( str[a]== '[' ) {
 668                         cp= &(str[a+1]);
 669                 }
 670                 else if( str[a]==']' && cp) {
 671                         str[a]= 0;
 672                         /* if 'cp' is a preprocessor definition, it will evaluate to 0,
 673                          * the caller needs to check for this case and throw an error */
 674                         mul*= atoi(cp);
 675                 }
 676         }
 677
 678         return mul;
 679 }
 680
 681 static int calculate_structlens(int firststruct)
 682 {
 683         int a, b, len, alphalen, unknown= nr_structs, lastunknown, structtype, type, mul, namelen;
 684         short *sp, *structpoin;
 685         char *cp;
 686         int has_pointer, dna_error = 0;
 687
 688         while(unknown) {
 689                 lastunknown= unknown;
 690                 unknown= 0;
 691
 692                 /* check all structs... */
 693                 for(a=0; a<nr_structs; a++) {
 694                         structpoin= structs[a];
 695                         structtype= structpoin[0];
 696
 697                         /* when length is not known... */
 698                         if(typelens[structtype]==0) {
 699
 700                                 sp= structpoin+2;
 701                                 len= 0;
 702                                 alphalen = 0;
 703                                 has_pointer = 0;
 704
 705                                 /* check all elements in struct */
 706                                 for(b=0; b<structpoin[1]; b++, sp+=2) {
 707                                         type= sp[0];
 708                                         cp= names[sp[1]];
 709
 710                                         namelen= (int) strlen(cp);
 711                                         /* is it a pointer or function pointer? */
 712                                         if(cp[0]=='*' || cp[1]=='*') {
 713                                                 has_pointer = 1;
 714                                                 /* has the name an extra length? (array) */
 715                                                 mul= 1;
 716                                                 if( cp[namelen-1]==']') mul= arraysize(cp, namelen);
 717
 718                                                 if (mul == 0) {
 719                                                         printf("Zero array size found or could not parse %s: '%.*s'\n", types[structtype], namelen + 1, cp);
 720                                                         dna_error = 1;
 721                                                 }
 722
 723                                                 /* 4-8 aligned/ */
 724                                                 if(sizeof(void *) == 4) {
 725                                                         if (len % 4) {
 726                                                                 printf("Align pointer error in struct (len4): %s %s\n", types[structtype], cp);
 727                                                                 dna_error = 1;
 728                                                         }
 729                                                 } else {
 730                                                         if (len % 8) {
 731                                                                 printf("Align pointer error in struct (len8): %s %s\n", types[structtype], cp);
 732                                                                 dna_error = 1;
 733                                                         }
 734                                                 }
 735
 736                                                 if (alphalen % 8) {
 737                                                         printf("Align pointer error in struct (alphalen8): %s %s\n", types[structtype],cp);
 738                                                         dna_error = 1;
 739                                                 }
 740
 741                                                 len += sizeof(void *) * mul;
 742                                                 alphalen += 8 * mul;
 743
 744                                         } else if(cp[0]=='[') {
 745                                                 /* parsing can cause names "var" and "[3]" to be found for "float var [3]" ... */
 746                                                 printf("Parse error in struct, invalid member name: %s %s\n", types[structtype], cp);
 747                                                 dna_error = 1;
 748                                         } else if( typelens[type] ) {
 749                                                 /* has the name an extra length? (array) */
 750                                                 mul= 1;
 751                                                 if( cp[namelen-1]==']') mul= arraysize(cp, namelen);
 752
 753                                                 if (mul == 0) {
 754                                                         printf("Zero array size found or could not parse %s: '%.*s'\n", types[structtype], namelen + 1, cp);
 755                                                         dna_error = 1;
 756                                                 }
 757
 758                                                 /* struct alignment */
 759                                                 if(type >= firststruct) {
 760                                                         if(sizeof(void *)==8 && (len % 8) ) {
 761                                                                 printf("Align struct error: %s %s\n", types[structtype],cp);
 762                                                                 dna_error = 1;
 763                                                         }
 764                                                 }
 765
 766                                                 /* 2-4 aligned/ */
 767                                                 if(typelens[type]>3 && (len % 4) ) {
 768                                                         printf("Align 4 error in struct: %s %s (add %d padding bytes)\n", types[structtype], cp, len%4);
 769                                                         dna_error = 1;
 770                                                 }
 771                                                 else if(typelens[type]==2 && (len % 2) ) {
 772                                                         printf("Align 2 error in struct: %s %s (add %d padding bytes)\n", types[structtype], cp, len%2);
 773                                                         dna_error = 1;
 774                                                 }
 775
 776                                                 len += mul*typelens[type];
 777                                                 alphalen += mul * alphalens[type];
 778
 779                                         } else {
 780                                                 len= 0;
 781                                                 alphalen = 0;
 782                                                 break;
 783                                         }
 784                                 }
 785
 786                                 if (len==0) {
 787                                         unknown++;
 788                                 } else {
 789                                         typelens[structtype]= len;
 790                                         alphalens[structtype]= alphalen;
 791                                         // two ways to detect if a struct contains a pointer:
 792                                         // has_pointer is set or alphalen != len
 793                                         if (has_pointer || alphalen != len) {
 794                                                 if (alphalen % 8) {
 795                                                         printf("Sizeerror 8 in struct: %s (add %d bytes)\n", types[structtype], alphalen%8);
 796                                                         dna_error = 1;
 797                                                 }
 798                                         }
 799
 800                                         if(len % 4) {
 801                                                 printf("Sizeerror 4 in struct: %s (add %d bytes)\n", types[structtype], len%4);
 802                                                 dna_error = 1;
 803                                         }
 804
 805                                 }
 806                         }
 807                 }
 808
 809                 if(unknown==lastunknown) break;
 810         }
 811
 812         if(unknown) {
 813                 printf("ERROR: still %d structs unknown\n", unknown);
 814
 815                 if (debugSDNA) {
 816                         printf("*** Known structs : \n");
 817
 818                         for(a=0; a<nr_structs; a++) {
 819                                 structpoin= structs[a];
 820                                 structtype= structpoin[0];
 821
 822                                 /* length unknown */
 823                                 if(typelens[structtype]!=0) {
 824                                         printf("  %s\n", types[structtype]);
 825                                 }
 826                         }
 827                 }
 828
 829
 830                 printf("*** Unknown structs : \n");
 831
 832                 for(a=0; a<nr_structs; a++) {
 833                         structpoin= structs[a];
 834                         structtype= structpoin[0];
 835
 836                         /* length unkown yet */
 837                         if(typelens[structtype]==0) {
 838                                 printf("  %s\n", types[structtype]);
 839                         }
 840                 }
 841         }
 842
 843         return(dna_error);
 844 }
 845
 846 #define MAX_DNA_LINE_LENGTH 20
 847
 848 void dna_write(FILE *file, void *pntr, int size)
 849 {
 850         static int linelength = 0;
 851         int i;
 852         char *data;
 853
 854         data = (char *) pntr;
 855
 856         for (i = 0 ; i < size ; i++)
 857         {
 858                 fprintf(file, "%d,", data[i]);
 859                 linelength++;
 860                 if (linelength >= MAX_DNA_LINE_LENGTH) {
 861                         fprintf(file, "\n");
 862                         linelength = 0;
 863                 }
 864         }
 865 }
 866
 867 void printStructLenghts(void)
 868 {
 869         int a, unknown= nr_structs, structtype;
 870         /*int lastunknown;*/ /*UNUSED*/
 871         short *structpoin;
 872         printf("\n\n*** All detected structs:\n");
 873
 874         while(unknown) {
 875                 /*lastunknown= unknown;*/ /*UNUSED*/
 876                 unknown= 0;
 877
 878                 /* check all structs... */
 879                 for(a=0; a<nr_structs; a++) {
 880                         structpoin= structs[a];
 881                         structtype= structpoin[0];
 882                         printf("\t%s\t:%d\n", types[structtype], typelens[structtype]);
 883                 }
 884         }
 885
 886         printf("*** End of list\n");
 887
 888 }
 889
 890
 891 static int make_structDNA(char *baseDirectory, FILE *file)
 892 {
 893         int len, i;
 894         short *sp;
 895         /* str contains filenames. Since we now include paths, I stretched       */
 896         /* it a bit. Hope this is enough :) -nzc-                                */
 897         char str[SDNA_MAX_FILENAME_LENGTH], *cp;
 898         int firststruct;
 899
 900         if (debugSDNA > -1) {
 901                 fflush(stdout);
 902                 printf("Running makesdna at debug level %d\n", debugSDNA);
 903                 printf("\tProgram version: %s\n", DNA_VERSION_DATE);
 904         }
 905
 906         /* the longest known struct is 50k, so we assume 100k is sufficent! */
 907         namedata= MEM_callocN(maxdata, "namedata");
 908         typedata= MEM_callocN(maxdata, "typedata");
 909         structdata= MEM_callocN(maxdata, "structdata");
 910
 911         /* a maximum of 5000 variables, must be sufficient? */
 912         names= MEM_callocN(sizeof(char *)*maxnr, "names");
 913         types= MEM_callocN(sizeof(char *)*maxnr, "types");
 914         typelens= MEM_callocN(sizeof(short)*maxnr, "typelens");
 915         alphalens= MEM_callocN(sizeof(short)*maxnr, "alphalens");
 916         structs= MEM_callocN(sizeof(short)*maxnr, "structs");
 917
 918         /* insertion of all known types */
 919         /* watch it: uint is not allowed! use in structs an unsigned int */
 920         add_type("char", 1);    /* 0 */
 921         add_type("uchar", 1);   /* 1 */
 922         add_type("short", 2);   /* 2 */
 923         add_type("ushort", 2);  /* 3 */
 924         add_type("int", 4);             /* 4 */
 925         add_type("long", 4);    /* 5 */         /* should it be 8 on 64 bits? */
 926         add_type("ulong", 4);   /* 6 */
 927         add_type("float", 4);   /* 7 */
 928         add_type("double", 8);  /* 8 */
 929         add_type("void", 0);    /* 9 */
 930
 931         // the defines above shouldn't be output in the padding file...
 932         firststruct = nr_types;
 933
 934         /* add all include files defined in the global array                     */
 935         /* Since the internal file+path name buffer has limited length, I do a   */
 936         /* little test first...                                                  */
 937         /* Mind the breaking condition here!                                     */
 938         if (debugSDNA) printf("\tStart of header scan:\n");
 939         for (i = 0; strlen(includefiles[i]); i++) {
 940                 sprintf(str, "%s%s", baseDirectory, includefiles[i]);
 941                   if (debugSDNA) printf("\t|-- Converting %s\n", str);
 942                 if (convert_include(str)) {
 943                         return (1);
 944                 }
 945         }
 946         if (debugSDNA) printf("\tFinished scanning %d headers.\n", i);
 947
 948         if (calculate_structlens(firststruct)) {
 949                 // error
 950                 return(1);
 951         }
 952
 953         /* FOR DEBUG */
 954         if (debugSDNA > 1)
 955         {
 956                 int a,b;
 957 /*              short *elem; */
 958                 short num_types;
 959
 960                 printf("nr_names %d nr_types %d nr_structs %d\n", nr_names, nr_types, nr_structs);
 961                 for(a=0; a<nr_names; a++) {
 962                         printf(" %s \n", names[a]);
 963                 }
 964                 printf("\n");
 965
 966                 sp= typelens;
 967                 for(a=0; a<nr_types; a++, sp++) {
 968                         printf(" %s %d\n", types[a], *sp);
 969                 }
 970                 printf("\n");
 971
 972                 for(a=0; a<nr_structs; a++) {
 973                         sp= structs[a];
 974                         printf(" struct %s elems: %d size: %d\n", types[sp[0]], sp[1],typelens[sp[0]]);
 975                         num_types  = sp[1];
 976                         sp+= 2;
 977                         /* ? num_types was elem? */
 978                         for(b=0; b< num_types; b++, sp+= 2) {
 979                                 printf("   %s %s\n", types[sp[0]], names[sp[1]]);
 980                         }
 981                 }
 982         }
 983
 984         /* file writing */
 985
 986         if (debugSDNA > -1) printf("Writing file ... ");
 987
 988         if(nr_names==0 || nr_structs==0);
 989         else {
 990                 strcpy(str, "SDNA");
 991                 dna_write(file, str, 4);
 992
 993                 /* write names */
 994                 strcpy(str, "NAME");
 995                 dna_write(file, str, 4);
 996                 len= nr_names;
 997                 dna_write(file, &len, 4);
 998
 999                 /* calculate size of datablock with strings */
1000                 cp= names[nr_names-1];
1001                 cp+= strlen(names[nr_names-1]) + 1;                     /* +1: null-terminator */
1002                 len= (intptr_t) (cp - (char*) names[0]);
1003                 len= (len+3) & ~3;
1004                 dna_write(file, names[0], len);
1005
1006                 /* write TYPES */
1007                 strcpy(str, "TYPE");
1008                 dna_write(file, str, 4);
1009                 len= nr_types;
1010                 dna_write(file, &len, 4);
1011
1012                 /* calculate datablock size */
1013                 cp= types[nr_types-1];
1014                 cp+= strlen(types[nr_types-1]) + 1;             /* +1: null-terminator */
1015                 len= (intptr_t) (cp - (char*) types[0]);
1016                 len= (len+3) & ~3;
1017
1018                 dna_write(file, types[0], len);
1019
1020                 /* WRITE TYPELENGTHS */
1021                 strcpy(str, "TLEN");
1022                 dna_write(file, str, 4);
1023
1024                 len= 2*nr_types;
1025                 if(nr_types & 1) len+= 2;
1026                 dna_write(file, typelens, len);
1027
1028                 /* WRITE STRUCTS */
1029                 strcpy(str, "STRC");
1030                 dna_write(file, str, 4);
1031                 len= nr_structs;
1032                 dna_write(file, &len, 4);
1033
1034                 /* calc datablock size */
1035                 sp= structs[nr_structs-1];
1036                 sp+= 2+ 2*( sp[1] );
1037                 len= (intptr_t) ((char*) sp - (char*) structs[0]);
1038                 len= (len+3) & ~3;
1039
1040                 dna_write(file, structs[0], len);
1041
1042                 /* a simple dna padding test */
1043                 if (0) {
1044                         FILE *fp;
1045                         int a;
1046
1047                         fp= fopen("padding.c", "w");
1048                         if(fp==NULL);
1049                         else {
1050
1051                                 // add all include files defined in the global array
1052                                 for (i = 0; strlen(includefiles[i]); i++) {
1053                                         fprintf(fp, "#include \"%s%s\"\n", baseDirectory, includefiles[i]);
1054                                 }
1055
1056                                 fprintf(fp, "main(){\n");
1057                                 sp = typelens;
1058                                 sp += firststruct;
1059                                 for(a=firststruct; a<nr_types; a++, sp++) {
1060                                         if(*sp) {
1061                                                 fprintf(fp, "\tif(sizeof(struct %s) - %d) printf(\"ALIGN ERROR:", types[a], *sp);
1062                                                 fprintf(fp, "%%d %s %d ", types[a], *sp);
1063                                                 fprintf(fp, "\\n\",  sizeof(struct %s) - %d);\n", types[a], *sp);
1064                                         }
1065                                 }
1066                                 fprintf(fp, "}\n");
1067                                 fclose(fp);
1068                         }
1069                 }
1070                 /*      end end padding test */
1071         }
1072
1073
1074         MEM_freeN(namedata);
1075         MEM_freeN(typedata);
1076         MEM_freeN(structdata);
1077         MEM_freeN(names);
1078         MEM_freeN(types);
1079         MEM_freeN(typelens);
1080         MEM_freeN(alphalens);
1081         MEM_freeN(structs);
1082
1083         if (debugSDNA > -1) printf("done.\n");
1084
1085         return(0);
1086 }
1087
1088 /* ************************* END MAKE DNA ********************** */
1089
1090 static void make_bad_file(const char *file, int line)
1091 {
1092         FILE *fp= fopen(file, "w");
1093         fprintf(fp, "#error \"Error! can't make correct DNA.c file from %s:%d, STUPID!\"\n", __FILE__, line);
1094         fclose(fp);
1095 }
1096
1097 #ifndef BASE_HEADER
1098 #define BASE_HEADER "../"
1099 #endif
1100
1101 int main(int argc, char ** argv)
1102 {
1103         FILE *file;
1104         int return_status = 0;
1105
1106         if (argc!=2 && argc!=3) {
1107                 printf("Usage: %s outfile.c [base directory]\n", argv[0]);
1108                 return_status = 1;
1109         } else {
1110                 file = fopen(argv[1], "w");
1111                 if (!file) {
1112                         printf ("Unable to open file: %s\n", argv[1]);
1113                         return_status = 1;
1114                 } else {
1115                         char baseDirectory[256];
1116
1117                         if (argc==3) {
1118                                 strcpy(baseDirectory, argv[2]);
1119                         } else {
1120                                 strcpy(baseDirectory, BASE_HEADER);
1121                         }
1122
1123                         fprintf (file, "unsigned char DNAstr[]= {\n");
1124                         if (make_structDNA(baseDirectory, file)) {
1125                                 // error
1126                                 fclose(file);
1127                                 make_bad_file(argv[1], __LINE__);
1128                                 return_status = 1;
1129                         } else {
1130                                 fprintf(file, "};\n");
1131                                 fprintf(file, "int DNAlen= sizeof(DNAstr);\n");
1132
1133                                 fclose(file);
1134                         }
1135                 }
1136         }
1137
1138
1139         return(return_status);
1140 }
1141
1142 // include files for automatic dependancies
1143 #include "DNA_listBase.h"
1144 #include "DNA_vec_types.h"
1145 #include "DNA_ID.h"
1146 #include "DNA_ipo_types.h"
1147 #include "DNA_key_types.h"
1148 #include "DNA_text_types.h"
1149 #include "DNA_packedFile_types.h"
1150 #include "DNA_camera_types.h"
1151 #include "DNA_image_types.h"
1152 #include "DNA_texture_types.h"
1153 #include "DNA_lamp_types.h"
1154 #include "DNA_material_types.h"
1155 #include "DNA_vfont_types.h"
1156 #include "DNA_meta_types.h"
1157 #include "DNA_curve_types.h"
1158 #include "DNA_mesh_types.h"
1159 #include "DNA_meshdata_types.h"
1160 #include "DNA_modifier_types.h"
1161 #include "DNA_lattice_types.h"
1162 #include "DNA_object_types.h"
1163 #include "DNA_object_force.h"
1164 #include "DNA_object_fluidsim.h"
1165 #include "DNA_world_types.h"
1166 #include "DNA_scene_types.h"
1167 #include "DNA_view3d_types.h"
1168 #include "DNA_view2d_types.h"
1169 #include "DNA_space_types.h"
1170 #include "DNA_userdef_types.h"
1171 #include "DNA_screen_types.h"
1172 #include "DNA_sdna_types.h"
1173 #include "DNA_fileglobal_types.h"
1174 #include "DNA_sequence_types.h"
1175 #include "DNA_effect_types.h"
1176 #include "DNA_outliner_types.h"
1177 #include "DNA_property_types.h"
1178 #include "DNA_sensor_types.h"
1179 #include "DNA_controller_types.h"
1180 #include "DNA_actuator_types.h"
1181 #include "DNA_sound_types.h"
1182 #include "DNA_group_types.h"
1183 #include "DNA_armature_types.h"
1184 #include "DNA_action_types.h"
1185 #include "DNA_constraint_types.h"
1186 #include "DNA_nla_types.h"
1187 #include "DNA_node_types.h"
1188 #include "DNA_color_types.h"
1189 #include "DNA_brush_types.h"
1190 #include "DNA_customdata_types.h"
1191 #include "DNA_particle_types.h"
1192 #include "DNA_cloth_types.h"
1193 #include "DNA_gpencil_types.h"
1194 #include "DNA_windowmanager_types.h"
1195 #include "DNA_anim_types.h"
1196 #include "DNA_boid_types.h"
1197 #include "DNA_smoke_types.h"
1198 #include "DNA_speaker_types.h"
1199 /* end of list */