git.m6w6.name Git - m6w6/ext-psi/blob - src/data.c

   1 /*******************************************************************************
   2  Copyright (c) 2016, Michael Wallner <mike@php.net>.
   3  All rights reserved.
   4
   5  Redistribution and use in source and binary forms, with or without
   6  modification, are permitted provided that the following conditions are met:
   7
   8  * Redistributions of source code must retain the above copyright notice,
   9  this list of conditions and the following disclaimer.
  10  * Redistributions in binary form must reproduce the above copyright
  11  notice, this list of conditions and the following disclaimer in the
  12  documentation and/or other materials provided with the distribution.
  13
  14  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  15  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  17  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
  18  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  20  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  21  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  22  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  *******************************************************************************/
  25
  26 #include "php_psi_stdinc.h"
  27 #include "data.h"
  28
  29 #include "php_globals.h"
  30
  31 #include <dlfcn.h>
  32
  33 struct psi_data *psi_data_ctor_with_dtors(struct psi_data *data,
  34                 psi_error_cb error, unsigned flags)
  35 {
  36         if (!data) {
  37                 data = calloc(1, sizeof(*data));
  38         }
  39
  40         data->error = error;
  41         data->flags = flags;
  42
  43         if (!data->consts) {
  44                 data->consts = psi_plist_init((psi_plist_dtor) psi_const_free);
  45         }
  46         if (!data->types) {
  47                 data->types = psi_plist_init((psi_plist_dtor) psi_decl_arg_free);
  48         }
  49         if (!data->structs) {
  50                 data->structs = psi_plist_init((psi_plist_dtor) psi_decl_struct_free);
  51         }
  52         if (!data->unions) {
  53                 data->unions = psi_plist_init((psi_plist_dtor) psi_decl_union_free);
  54         }
  55         if (!data->enums) {
  56                 data->enums = psi_plist_init((psi_plist_dtor) psi_decl_enum_free);
  57         }
  58         if (!data->decls) {
  59                 data->decls = psi_plist_init((psi_plist_dtor) psi_decl_free);
  60         }
  61         if (!data->impls) {
  62                 data->impls = psi_plist_init((psi_plist_dtor) psi_impl_free);
  63         }
  64         if (!data->libs) {
  65                 data->libs = psi_plist_init((psi_plist_dtor) psi_libs_free);
  66         }
  67         return data;
  68 }
  69
  70 struct psi_data *psi_data_ctor(struct psi_data *data, psi_error_cb error,
  71                 unsigned flags)
  72 {
  73         if (!data) {
  74                 data = calloc(1, sizeof(*data));
  75         }
  76
  77         data->error = error;
  78         data->flags = flags;
  79
  80         if (!data->consts) {
  81                 data->consts = psi_plist_init(NULL);
  82         }
  83         if (!data->types) {
  84                 data->types = psi_plist_init(NULL);
  85         }
  86         if (!data->structs) {
  87                 data->structs = psi_plist_init(NULL);
  88         }
  89         if (!data->unions) {
  90                 data->unions = psi_plist_init(NULL);
  91         }
  92         if (!data->enums) {
  93                 data->enums = psi_plist_init(NULL);
  94         }
  95         if (!data->decls) {
  96                 data->decls = psi_plist_init(NULL);
  97         }
  98         if (!data->impls) {
  99                 data->impls = psi_plist_init(NULL);
 100         }
 101         if (!data->libs) {
 102                 data->libs = psi_plist_init(NULL);
 103         }
 104         return data;
 105 }
 106
 107 struct psi_data *psi_data_exchange(struct psi_data *dest, struct psi_data *src)
 108 {
 109         if (!dest) {
 110                 dest = malloc(sizeof(*dest));
 111         }
 112         *dest = *src;
 113         memset(src, 0, sizeof(*src));
 114         return dest;
 115 }
 116
 117 void psi_data_dtor(struct psi_data *data)
 118 {
 119         if (data->consts) {
 120                 psi_plist_free(data->consts);
 121         }
 122         if (data->types) {
 123                 psi_plist_free(data->types);
 124         }
 125         if (data->structs) {
 126                 psi_plist_free(data->structs);
 127         }
 128         if (data->unions) {
 129                 psi_plist_free(data->unions);
 130         }
 131         if (data->enums) {
 132                 psi_plist_free(data->enums);
 133         }
 134         if (data->decls) {
 135                 psi_plist_free(data->decls);
 136         }
 137         if (data->impls) {
 138                 psi_plist_free(data->impls);
 139         }
 140         if (data->libs) {
 141                 psi_plist_free(data->libs);
 142         }
 143
 144         psi_decl_file_dtor(&data->file);
 145 }
 146
 147 void psi_data_dump(int fd, struct psi_data *D)
 148 {
 149         if (D->file.fn) {
 150                 dprintf(fd, "// filename=%s (%u errors)\n", D->file.fn, D->errors);
 151                 if (D->file.ln) {
 152                         dprintf(fd, "lib \"%s\";\n", D->file.ln);
 153                 }
 154         } else {
 155                 dprintf(fd, "// builtin predef\n");
 156         }
 157         if (psi_plist_count(D->types)) {
 158                 size_t i = 0;
 159                 struct psi_decl_arg *def;
 160
 161                 while (psi_plist_get(D->types, i++, &def)) {
 162                         dprintf(fd, "typedef ");
 163                         psi_decl_arg_dump(fd, def, 0);
 164                         dprintf(fd, ";\n");
 165                 }
 166                 dprintf(fd, "\n");
 167         }
 168         if (psi_plist_count(D->unions)) {
 169                 size_t i = 0;
 170                 struct psi_decl_union *unn;
 171
 172                 while (psi_plist_get(D->unions, i++, &unn)) {
 173                         if (!psi_decl_type_is_anon(unn->name, "union")) {
 174                                 psi_decl_union_dump(fd, unn);
 175                                 dprintf(fd, "\n");
 176                         }
 177                 }
 178                 dprintf(fd, "\n");
 179         }
 180         if (psi_plist_count(D->structs)) {
 181                 size_t i = 0;
 182                 struct psi_decl_struct *strct;
 183
 184                 while (psi_plist_get(D->structs, i++, &strct)) {
 185                         if (!psi_decl_type_is_anon(strct->name, "struct")) {
 186                                 psi_decl_struct_dump(fd, strct);
 187                                 dprintf(fd, "\n");
 188                         }
 189                 }
 190                 dprintf(fd, "\n");
 191         }
 192         if (psi_plist_count(D->enums)) {
 193                 size_t i = 0;
 194                 struct psi_decl_enum *enm;
 195
 196                 while (psi_plist_get(D->enums, i++, &enm)) {
 197                         if (!psi_decl_type_is_anon(enm->name, "enum")) {
 198                                 psi_decl_enum_dump(fd, enm, 0);
 199                                 dprintf(fd, "\n");
 200                         }
 201                 }
 202                 dprintf(fd, "\n");
 203         }
 204         if (psi_plist_count(D->consts)) {
 205                 size_t i = 0;
 206                 struct psi_const *c;
 207
 208                 while (psi_plist_get(D->consts, i++, &c)) {
 209                         psi_const_dump(fd, c);
 210                         dprintf(fd, "\n");
 211                 }
 212                 dprintf(fd, "\n");
 213         }
 214         if (psi_plist_count(D->decls)) {
 215                 size_t i = 0;
 216                 struct psi_decl *decl;
 217
 218                 while (psi_plist_get(D->decls, i++, &decl)) {
 219                         psi_decl_dump(fd, decl);
 220                         dprintf(fd, "\n");
 221                 }
 222                 dprintf(fd, "\n");
 223         }
 224         if (psi_plist_count(D->impls)) {
 225                 size_t i = 0;
 226                 struct psi_impl *impl;
 227
 228                 while (psi_plist_get(D->impls, i++, &impl)) {
 229                         psi_impl_dump(fd, impl);
 230                         dprintf(fd, "\n");
 231                 }
 232                 dprintf(fd, "\n");
 233         }
 234 }
 235
 236 bool psi_data_validate(struct psi_data *dst, struct psi_data *src)
 237 {
 238         void *dlopened = NULL;
 239         size_t check_count = ~0;
 240         struct psi_plist *check_types = src->types;
 241         struct psi_plist *check_structs = src->structs;
 242         struct psi_plist *check_unions = src->unions;
 243         struct psi_plist *check_enums = src->enums;
 244         unsigned flags = dst->flags;
 245         unsigned errors = src->errors;
 246
 247         /* fail early if library is not found */
 248         if (!psi_decl_file_validate(dst, src, &dlopened)) {
 249                 return false;
 250         }
 251
 252         dst->flags |= PSI_SILENT;
 253
 254         while (check_count) {
 255                 struct psi_plist *recheck_types;
 256                 struct psi_plist *recheck_structs;
 257                 struct psi_plist *recheck_unions;
 258                 struct psi_plist *recheck_enums;
 259                 size_t count_types = psi_plist_count(check_types);
 260                 size_t count_structs = psi_plist_count(check_structs);
 261                 size_t count_unions = psi_plist_count(check_unions);
 262                 size_t count_enums = psi_plist_count(check_enums);
 263                 size_t count_all = count_types + count_structs + count_unions
 264                                 + count_enums;
 265
 266                 if (check_count == count_all) {
 267                         /* nothing changed; bail out */
 268                         if (count_all && (dst->flags & PSI_SILENT) && !(flags & PSI_SILENT)) {
 269                                 /* one last error-spitting round, if not explicitly suppressed */
 270                                 dst->flags ^= PSI_SILENT;
 271                                 check_count = ~0;
 272
 273                                 PSI_DEBUG_PRINT(dst, "PSI: validation bail out with %zu"
 274                                                 " type checks remaining, errors follow\n", count_all);
 275                                 continue;
 276                         }
 277                         check_count = 0;
 278                 } else {
 279                         recheck_types = count_types ? psi_plist_init(NULL) : NULL;
 280                         recheck_structs = count_structs ? psi_plist_init(NULL) : NULL;
 281                         recheck_unions = count_unions ? psi_plist_init(NULL) : NULL;
 282                         recheck_enums = count_enums ? psi_plist_init(NULL) : NULL;
 283
 284                         check_count = count_all;
 285                         src->errors = errors + check_count;
 286
 287                         PSI_DEBUG_PRINT(dst, "PSI: validate data(%p) %zu type checks remaining\n",
 288                                         src, check_count);
 289
 290                         if (count_types) {
 291                                 size_t i = 0;
 292                                 struct psi_decl_arg *def;
 293
 294                                 while (psi_plist_get(check_types, i++, &def)) {
 295                                         *dst->last_error = 0;
 296                                         PSI_DEBUG_PRINT(dst, "PSI: validate typedef %s ", def->var->name);
 297                                         if (psi_decl_arg_validate_typedef(PSI_DATA(dst), def)) {
 298                                                 PSI_DEBUG_PRINT(dst, "%s\n", "✔");
 299                                                 dst->types = psi_plist_add(dst->types, &def);
 300                                         } else {
 301                                                 PSI_DEBUG_PRINT(dst, "%s (%s)\n", "✘", dst->last_error);
 302                                                 recheck_types = psi_plist_add(recheck_types, &def);
 303                                         }
 304                                 }
 305                         }
 306                         if (count_structs) {
 307                                 size_t i = 0;
 308                                 struct psi_decl_struct *str;
 309
 310                                 while (psi_plist_get(check_structs, i++, &str)) {
 311                                         *dst->last_error = 0;
 312                                         dst->structs = psi_plist_add(dst->structs, &str);
 313                                         PSI_DEBUG_PRINT(dst, "PSI: validate struct %s ", str->name);
 314                                         if (psi_decl_struct_validate(PSI_DATA(dst), str)) {
 315                                                 PSI_DEBUG_PRINT(dst, "%s ::(%zu, %zu)\n", "✔", str->align, str->size);
 316                                         } else {
 317                                                 PSI_DEBUG_PRINT(dst, "%s (%s)\n", "✘", dst->last_error);
 318                                                 recheck_structs = psi_plist_add(recheck_structs, &str);
 319                                                 psi_plist_pop(dst->structs, NULL);
 320                                         }
 321                                 }
 322                         }
 323                         if (count_unions) {
 324                                 size_t i = 0;
 325                                 struct psi_decl_union *unn;
 326
 327                                 while (psi_plist_get(check_unions, i++, &unn)) {
 328                                         *dst->last_error = 0;
 329                                         dst->unions = psi_plist_add(dst->unions, &unn);
 330                                         PSI_DEBUG_PRINT(dst, "PSI: validate union %s ", unn->name);
 331                                         if (psi_decl_union_validate(PSI_DATA(dst), unn)) {
 332                                                 PSI_DEBUG_PRINT(dst, "%s ::(%zu, %zu)\n", "✔", unn->align, unn->size);
 333
 334                                         } else {
 335                                                 PSI_DEBUG_PRINT(dst, "%s (%s)\n", "✘", dst->last_error);
 336                                                 recheck_unions = psi_plist_add(recheck_unions, &unn);
 337                                                 psi_plist_pop(dst->unions, NULL);
 338                                         }
 339                                 }
 340                         }
 341                         if (count_enums) {
 342                                 size_t i = 0;
 343                                 struct psi_decl_enum *enm;
 344
 345                                 while (psi_plist_get(check_enums, i++, &enm)) {
 346                                         *dst->last_error = 0;
 347                                         PSI_DEBUG_PRINT(dst, "PSI: validate enum %s ", enm->name);
 348                                         if (psi_decl_enum_validate(PSI_DATA(dst), enm)) {
 349                                                 PSI_DEBUG_PRINT(dst, "%s\n", "✔");
 350                                                 dst->enums = psi_plist_add(dst->enums, &enm);
 351                                         } else {
 352                                                 PSI_DEBUG_PRINT(dst, "%s (%s)\n", "✘", dst->last_error);
 353                                                 recheck_enums = psi_plist_add(recheck_enums, &enm);
 354                                         }
 355                                 }
 356                         }
 357                 }
 358
 359                 if (check_types && check_types != src->types) {
 360                         psi_plist_free(check_types);
 361                 }
 362                 check_types = recheck_types;
 363                 if (check_structs && check_structs != src->structs) {
 364                         psi_plist_free(check_structs);
 365                 }
 366                 check_structs = recheck_structs;
 367                 if (check_unions && check_unions != src->unions) {
 368                         psi_plist_free(check_unions);
 369                 }
 370                 check_unions = recheck_unions;
 371                 if (check_enums && check_enums != src->enums) {
 372                         psi_plist_free(check_enums);
 373                 }
 374                 check_enums = recheck_enums;
 375         }
 376
 377         /* reset original flags */
 378         dst->flags = flags;
 379
 380         if (src->consts) {
 381                 size_t i = 0;
 382                 struct psi_const *cnst;
 383
 384                 while (psi_plist_get(src->consts, i++, &cnst)) {
 385                         *dst->last_error = 0;
 386                         PSI_DEBUG_PRINT(dst, "PSI: validate const %s ", cnst->name);
 387                         if (psi_const_validate(PSI_DATA(dst), cnst)) {
 388                                 PSI_DEBUG_PRINT(dst, "%s\n", "✔");
 389                                 dst->consts = psi_plist_add(dst->consts, &cnst);
 390                         } else {
 391                                 PSI_DEBUG_PRINT(dst, "%s (%s)\n", "✘", dst->last_error);
 392                                 ++src->errors;
 393                         }
 394                 }
 395         }
 396
 397         if (src->decls) {
 398                 size_t i = 0;
 399                 struct psi_decl *decl;
 400
 401                 while (psi_plist_get(src->decls, i++, &decl)) {
 402                         *dst->last_error = 0;
 403                         PSI_DEBUG_PRINT(dst, "PSI: validate decl %s ", decl->func->var->name);
 404                         if (psi_decl_validate(PSI_DATA(dst), decl, dlopened)) {
 405                                 PSI_DEBUG_PRINT(dst, "%s\n", "✔");
 406                                 dst->decls = psi_plist_add(dst->decls, &decl);
 407                         } else {
 408                                 PSI_DEBUG_PRINT(dst, "%s (%s)\n", "✘", dst->last_error);
 409                                 ++src->errors;
 410                         }
 411                 }
 412         }
 413
 414         if (src->impls) {
 415                 size_t i = 0;
 416                 struct psi_impl *impl;
 417
 418                 while (psi_plist_get(src->impls, i++, &impl)) {
 419                         *dst->last_error = 0;
 420                         PSI_DEBUG_PRINT(dst, "PSI: validate impl %s ", impl->func->name);
 421                         if (psi_impl_validate(PSI_DATA(dst), impl)) {
 422                                 PSI_DEBUG_PRINT(dst, "%s\n", "✔");
 423                                 dst->impls = psi_plist_add(dst->impls, &impl);
 424                         } else {
 425                                 PSI_DEBUG_PRINT(dst, "%s (%s)\n", "✘", dst->last_error);
 426                                 ++src->errors;
 427                         }
 428                 }
 429         }
 430
 431         return true;
 432 }
 433