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         struct psi_validate_stack type_stack;
 247
 248         /* fail early if library is not found */
 249         if (!psi_decl_file_validate(dst, src, &dlopened)) {
 250                 return false;
 251         }
 252
 253         psi_validate_stack_ctor(&type_stack);
 254
 255         dst->flags |= PSI_SILENT;
 256
 257         while (check_count) {
 258                 struct psi_plist *recheck_types;
 259                 struct psi_plist *recheck_structs;
 260                 struct psi_plist *recheck_unions;
 261                 struct psi_plist *recheck_enums;
 262                 size_t count_types = psi_plist_count(check_types);
 263                 size_t count_structs = psi_plist_count(check_structs);
 264                 size_t count_unions = psi_plist_count(check_unions);
 265                 size_t count_enums = psi_plist_count(check_enums);
 266                 size_t count_all = count_types + count_structs + count_unions
 267                                 + count_enums;
 268
 269                 if (check_count == count_all) {
 270                         /* nothing changed; bail out */
 271                         if (count_all && (dst->flags & PSI_SILENT) && !(flags & PSI_SILENT)) {
 272                                 /* one last error-spitting round, if not explicitly suppressed */
 273                                 dst->flags ^= PSI_SILENT;
 274                                 check_count = ~0;
 275
 276                                 PSI_DEBUG_PRINT(dst, "PSI: validation bail out with %zu"
 277                                                 " type checks remaining, errors follow\n", count_all);
 278                                 continue;
 279                         }
 280                         check_count = 0;
 281                 } else {
 282                         recheck_types = count_types ? psi_plist_init(NULL) : NULL;
 283                         recheck_structs = count_structs ? psi_plist_init(NULL) : NULL;
 284                         recheck_unions = count_unions ? psi_plist_init(NULL) : NULL;
 285                         recheck_enums = count_enums ? psi_plist_init(NULL) : NULL;
 286
 287                         check_count = count_all;
 288                         src->errors = errors + check_count;
 289
 290                         PSI_DEBUG_PRINT(dst, "PSI: validate data(%p) %zu type checks remaining\n",
 291                                         src, check_count);
 292
 293                         if (count_types) {
 294                                 size_t i = 0;
 295                                 struct psi_decl_arg *def;
 296
 297                                 while (psi_plist_get(check_types, i++, &def)) {
 298                                         *dst->last_error = 0;
 299                                         dst->types = psi_plist_add(dst->types, &def);
 300                                         PSI_DEBUG_PRINT(dst, "PSI: validate typedef %s ", def->var->name);
 301                                         if (psi_decl_arg_validate_typedef(PSI_DATA(dst), def, &type_stack)) {
 302                                                 PSI_DEBUG_PRINT(dst, "%s\n", "✔");
 303                                         } else {
 304                                                 PSI_DEBUG_PRINT(dst, "%s (%s)\n", "✘", dst->last_error);
 305                                                 recheck_types = psi_plist_add(recheck_types, &def);
 306                                                 psi_plist_pop(dst->types, NULL);
 307                                         }
 308                                 }
 309                         }
 310                         if (count_structs) {
 311                                 size_t i = 0;
 312                                 struct psi_decl_struct *str;
 313
 314                                 while (psi_plist_get(check_structs, i++, &str)) {
 315                                         *dst->last_error = 0;
 316                                         dst->structs = psi_plist_add(dst->structs, &str);
 317                                         PSI_DEBUG_PRINT(dst, "PSI: validate struct %s ", str->name);
 318                                         if (psi_decl_struct_validate(PSI_DATA(dst), str, &type_stack)) {
 319                                                 PSI_DEBUG_PRINT(dst, "%s ::(%zu, %zu)\n", "✔", str->align, str->size);
 320                                         } else {
 321                                                 PSI_DEBUG_PRINT(dst, "%s (%s)\n", "✘", dst->last_error);
 322                                                 recheck_structs = psi_plist_add(recheck_structs, &str);
 323                                                 psi_plist_pop(dst->structs, NULL);
 324                                         }
 325                                 }
 326                         }
 327                         if (count_unions) {
 328                                 size_t i = 0;
 329                                 struct psi_decl_union *unn;
 330
 331                                 while (psi_plist_get(check_unions, i++, &unn)) {
 332                                         *dst->last_error = 0;
 333                                         dst->unions = psi_plist_add(dst->unions, &unn);
 334                                         PSI_DEBUG_PRINT(dst, "PSI: validate union %s ", unn->name);
 335                                         if (psi_decl_union_validate(PSI_DATA(dst), unn, &type_stack)) {
 336                                                 PSI_DEBUG_PRINT(dst, "%s ::(%zu, %zu)\n", "✔", unn->align, unn->size);
 337
 338                                         } else {
 339                                                 PSI_DEBUG_PRINT(dst, "%s (%s)\n", "✘", dst->last_error);
 340                                                 recheck_unions = psi_plist_add(recheck_unions, &unn);
 341                                                 psi_plist_pop(dst->unions, NULL);
 342                                         }
 343                                 }
 344                         }
 345                         if (count_enums) {
 346                                 size_t i = 0;
 347                                 struct psi_decl_enum *enm;
 348
 349                                 while (psi_plist_get(check_enums, i++, &enm)) {
 350                                         *dst->last_error = 0;
 351                                         PSI_DEBUG_PRINT(dst, "PSI: validate enum %s ", enm->name);
 352                                         if (psi_decl_enum_validate(PSI_DATA(dst), enm)) {
 353                                                 PSI_DEBUG_PRINT(dst, "%s\n", "✔");
 354                                                 dst->enums = psi_plist_add(dst->enums, &enm);
 355                                         } else {
 356                                                 PSI_DEBUG_PRINT(dst, "%s (%s)\n", "✘", dst->last_error);
 357                                                 recheck_enums = psi_plist_add(recheck_enums, &enm);
 358                                         }
 359                                 }
 360                         }
 361                 }
 362
 363                 if (check_types && check_types != src->types) {
 364                         psi_plist_free(check_types);
 365                 }
 366                 check_types = recheck_types;
 367                 if (check_structs && check_structs != src->structs) {
 368                         psi_plist_free(check_structs);
 369                 }
 370                 check_structs = recheck_structs;
 371                 if (check_unions && check_unions != src->unions) {
 372                         psi_plist_free(check_unions);
 373                 }
 374                 check_unions = recheck_unions;
 375                 if (check_enums && check_enums != src->enums) {
 376                         psi_plist_free(check_enums);
 377                 }
 378                 check_enums = recheck_enums;
 379         }
 380
 381         /* reset original flags */
 382         dst->flags = flags;
 383
 384         if (src->consts) {
 385                 size_t i = 0;
 386                 struct psi_const *cnst;
 387
 388                 while (psi_plist_get(src->consts, i++, &cnst)) {
 389                         *dst->last_error = 0;
 390                         PSI_DEBUG_PRINT(dst, "PSI: validate const %s ", cnst->name);
 391                         if (psi_const_validate(PSI_DATA(dst), cnst)) {
 392                                 PSI_DEBUG_PRINT(dst, "%s\n", "✔");
 393                                 dst->consts = psi_plist_add(dst->consts, &cnst);
 394                         } else {
 395                                 PSI_DEBUG_PRINT(dst, "%s (%s)\n", "✘", dst->last_error);
 396                                 ++src->errors;
 397                         }
 398                 }
 399         }
 400
 401         if (src->decls) {
 402                 size_t i = 0;
 403                 struct psi_decl *decl;
 404
 405                 while (psi_plist_get(src->decls, i++, &decl)) {
 406                         *dst->last_error = 0;
 407                         PSI_DEBUG_PRINT(dst, "PSI: validate decl %s ", decl->func->var->name);
 408                         if (psi_decl_validate(PSI_DATA(dst), decl, dlopened, &type_stack)) {
 409                                 PSI_DEBUG_PRINT(dst, "%s\n", "✔");
 410                                 dst->decls = psi_plist_add(dst->decls, &decl);
 411                         } else {
 412                                 PSI_DEBUG_PRINT(dst, "%s (%s)\n", "✘", dst->last_error);
 413                                 ++src->errors;
 414                         }
 415                 }
 416         }
 417
 418         if (src->impls) {
 419                 size_t i = 0;
 420                 struct psi_impl *impl;
 421
 422                 while (psi_plist_get(src->impls, i++, &impl)) {
 423                         *dst->last_error = 0;
 424                         PSI_DEBUG_PRINT(dst, "PSI: validate impl %s ", impl->func->name);
 425                         if (psi_impl_validate(PSI_DATA(dst), impl)) {
 426                                 PSI_DEBUG_PRINT(dst, "%s\n", "✔");
 427                                 dst->impls = psi_plist_add(dst->impls, &impl);
 428                         } else {
 429                                 PSI_DEBUG_PRINT(dst, "%s (%s)\n", "✘", dst->last_error);
 430                                 ++src->errors;
 431                         }
 432                 }
 433         }
 434
 435         psi_validate_stack_dtor(&type_stack);
 436
 437         return true;
 438 }
 439