| 1 | /* |
| 2 | * QuickJS command line compiler |
| 3 | * |
| 4 | * Copyright (c) 2018-2021 Fabrice Bellard |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | * THE SOFTWARE. |
| 23 | */ |
| 24 | #include <stdlib.h> |
| 25 | #include <stdio.h> |
| 26 | #include <stdarg.h> |
| 27 | #include <inttypes.h> |
| 28 | #include <string.h> |
| 29 | #include <assert.h> |
| 30 | #include <unistd.h> |
| 31 | #include <errno.h> |
| 32 | #if !defined(_WIN32) |
| 33 | #include <sys/wait.h> |
| 34 | #endif |
| 35 | |
| 36 | #include "cutils.h" |
| 37 | #include "quickjs-libc.h" |
| 38 | |
| 39 | typedef struct { |
| 40 | char *name; |
| 41 | char *short_name; |
| 42 | int flags; |
| 43 | } namelist_entry_t; |
| 44 | |
| 45 | typedef struct namelist_t { |
| 46 | namelist_entry_t *array; |
| 47 | int count; |
| 48 | int size; |
| 49 | } namelist_t; |
| 50 | |
| 51 | typedef struct { |
| 52 | const char *option_name; |
| 53 | const char *init_name; |
| 54 | } FeatureEntry; |
| 55 | |
| 56 | static namelist_t cname_list; |
| 57 | static namelist_t cmodule_list; |
| 58 | static namelist_t init_module_list; |
| 59 | static uint64_t feature_bitmap; |
| 60 | static FILE *outfile; |
| 61 | static BOOL byte_swap; |
| 62 | static BOOL dynamic_export; |
| 63 | static const char *c_ident_prefix = "qjsc_" ; |
| 64 | |
| 65 | #define FE_ALL (-1) |
| 66 | |
| 67 | static const FeatureEntry feature_list[] = { |
| 68 | { "date" , "Date" }, |
| 69 | { "eval" , "Eval" }, |
| 70 | { "string-normalize" , "StringNormalize" }, |
| 71 | { "regexp" , "RegExp" }, |
| 72 | { "json" , "JSON" }, |
| 73 | { "proxy" , "Proxy" }, |
| 74 | { "map" , "MapSet" }, |
| 75 | { "typedarray" , "TypedArrays" }, |
| 76 | { "promise" , "Promise" }, |
| 77 | #define FE_MODULE_LOADER 9 |
| 78 | { "module-loader" , NULL }, |
| 79 | { "weakref" , "WeakRef" }, |
| 80 | }; |
| 81 | |
| 82 | void namelist_add(namelist_t *lp, const char *name, const char *short_name, |
| 83 | int flags) |
| 84 | { |
| 85 | namelist_entry_t *e; |
| 86 | if (lp->count == lp->size) { |
| 87 | size_t newsize = lp->size + (lp->size >> 1) + 4; |
| 88 | namelist_entry_t *a = |
| 89 | realloc(lp->array, sizeof(lp->array[0]) * newsize); |
| 90 | /* XXX: check for realloc failure */ |
| 91 | lp->array = a; |
| 92 | lp->size = newsize; |
| 93 | } |
| 94 | e = &lp->array[lp->count++]; |
| 95 | e->name = strdup(name); |
| 96 | if (short_name) |
| 97 | e->short_name = strdup(short_name); |
| 98 | else |
| 99 | e->short_name = NULL; |
| 100 | e->flags = flags; |
| 101 | } |
| 102 | |
| 103 | void namelist_free(namelist_t *lp) |
| 104 | { |
| 105 | while (lp->count > 0) { |
| 106 | namelist_entry_t *e = &lp->array[--lp->count]; |
| 107 | free(e->name); |
| 108 | free(e->short_name); |
| 109 | } |
| 110 | free(lp->array); |
| 111 | lp->array = NULL; |
| 112 | lp->size = 0; |
| 113 | } |
| 114 | |
| 115 | namelist_entry_t *namelist_find(namelist_t *lp, const char *name) |
| 116 | { |
| 117 | int i; |
| 118 | for(i = 0; i < lp->count; i++) { |
| 119 | namelist_entry_t *e = &lp->array[i]; |
| 120 | if (!strcmp(e->name, name)) |
| 121 | return e; |
| 122 | } |
| 123 | return NULL; |
| 124 | } |
| 125 | |
| 126 | static void get_c_name(char *buf, size_t buf_size, const char *file) |
| 127 | { |
| 128 | const char *p, *r; |
| 129 | size_t len, i; |
| 130 | int c; |
| 131 | char *q; |
| 132 | |
| 133 | p = strrchr(file, '/'); |
| 134 | if (!p) |
| 135 | p = file; |
| 136 | else |
| 137 | p++; |
| 138 | r = strrchr(p, '.'); |
| 139 | if (!r) |
| 140 | len = strlen(p); |
| 141 | else |
| 142 | len = r - p; |
| 143 | pstrcpy(buf, buf_size, c_ident_prefix); |
| 144 | q = buf + strlen(buf); |
| 145 | for(i = 0; i < len; i++) { |
| 146 | c = p[i]; |
| 147 | if (!((c >= '0' && c <= '9') || |
| 148 | (c >= 'A' && c <= 'Z') || |
| 149 | (c >= 'a' && c <= 'z'))) { |
| 150 | c = '_'; |
| 151 | } |
| 152 | if ((q - buf) < buf_size - 1) |
| 153 | *q++ = c; |
| 154 | } |
| 155 | *q = '\0'; |
| 156 | } |
| 157 | |
| 158 | static void dump_hex(FILE *f, const uint8_t *buf, size_t len) |
| 159 | { |
| 160 | size_t i, col; |
| 161 | col = 0; |
| 162 | for(i = 0; i < len; i++) { |
| 163 | fprintf(f, " 0x%02x," , buf[i]); |
| 164 | if (++col == 8) { |
| 165 | fprintf(f, "\n" ); |
| 166 | col = 0; |
| 167 | } |
| 168 | } |
| 169 | if (col != 0) |
| 170 | fprintf(f, "\n" ); |
| 171 | } |
| 172 | |
| 173 | static void output_object_code(JSContext *ctx, |
| 174 | FILE *fo, JSValueConst obj, const char *c_name, |
| 175 | BOOL load_only) |
| 176 | { |
| 177 | uint8_t *out_buf; |
| 178 | size_t out_buf_len; |
| 179 | int flags; |
| 180 | flags = JS_WRITE_OBJ_BYTECODE; |
| 181 | if (byte_swap) |
| 182 | flags |= JS_WRITE_OBJ_BSWAP; |
| 183 | out_buf = JS_WriteObject(ctx, &out_buf_len, obj, flags); |
| 184 | if (!out_buf) { |
| 185 | js_std_dump_error(ctx); |
| 186 | exit(1); |
| 187 | } |
| 188 | |
| 189 | namelist_add(&cname_list, c_name, NULL, load_only); |
| 190 | |
| 191 | fprintf(fo, "const uint32_t %s_size = %u;\n\n" , |
| 192 | c_name, (unsigned int)out_buf_len); |
| 193 | fprintf(fo, "const uint8_t %s[%u] = {\n" , |
| 194 | c_name, (unsigned int)out_buf_len); |
| 195 | dump_hex(fo, out_buf, out_buf_len); |
| 196 | fprintf(fo, "};\n\n" ); |
| 197 | |
| 198 | js_free(ctx, out_buf); |
| 199 | } |
| 200 | |
| 201 | static int js_module_dummy_init(JSContext *ctx, JSModuleDef *m) |
| 202 | { |
| 203 | /* should never be called when compiling JS code */ |
| 204 | abort(); |
| 205 | } |
| 206 | |
| 207 | static void find_unique_cname(char *cname, size_t cname_size) |
| 208 | { |
| 209 | char cname1[1024]; |
| 210 | int suffix_num; |
| 211 | size_t len, max_len; |
| 212 | assert(cname_size >= 32); |
| 213 | /* find a C name not matching an existing module C name by |
| 214 | adding a numeric suffix */ |
| 215 | len = strlen(cname); |
| 216 | max_len = cname_size - 16; |
| 217 | if (len > max_len) |
| 218 | cname[max_len] = '\0'; |
| 219 | suffix_num = 1; |
| 220 | for(;;) { |
| 221 | snprintf(cname1, sizeof(cname1), "%s_%d" , cname, suffix_num); |
| 222 | if (!namelist_find(&cname_list, cname1)) |
| 223 | break; |
| 224 | suffix_num++; |
| 225 | } |
| 226 | pstrcpy(cname, cname_size, cname1); |
| 227 | } |
| 228 | |
| 229 | JSModuleDef *jsc_module_loader(JSContext *ctx, |
| 230 | const char *module_name, void *opaque) |
| 231 | { |
| 232 | JSModuleDef *m; |
| 233 | namelist_entry_t *e; |
| 234 | |
| 235 | /* check if it is a declared C or system module */ |
| 236 | e = namelist_find(&cmodule_list, module_name); |
| 237 | if (e) { |
| 238 | /* add in the static init module list */ |
| 239 | namelist_add(&init_module_list, e->name, e->short_name, 0); |
| 240 | /* create a dummy module */ |
| 241 | m = JS_NewCModule(ctx, module_name, js_module_dummy_init); |
| 242 | } else if (has_suffix(module_name, ".so" )) { |
| 243 | fprintf(stderr, "Warning: binary module '%s' will be dynamically loaded\n" , module_name); |
| 244 | /* create a dummy module */ |
| 245 | m = JS_NewCModule(ctx, module_name, js_module_dummy_init); |
| 246 | /* the resulting executable will export its symbols for the |
| 247 | dynamic library */ |
| 248 | dynamic_export = TRUE; |
| 249 | } else { |
| 250 | size_t buf_len; |
| 251 | uint8_t *buf; |
| 252 | JSValue func_val; |
| 253 | char cname[1024]; |
| 254 | |
| 255 | buf = js_load_file(ctx, &buf_len, module_name); |
| 256 | if (!buf) { |
| 257 | JS_ThrowReferenceError(ctx, "could not load module filename '%s'" , |
| 258 | module_name); |
| 259 | return NULL; |
| 260 | } |
| 261 | |
| 262 | /* compile the module */ |
| 263 | func_val = JS_Eval(ctx, (char *)buf, buf_len, module_name, |
| 264 | JS_EVAL_TYPE_MODULE | JS_EVAL_FLAG_COMPILE_ONLY); |
| 265 | js_free(ctx, buf); |
| 266 | if (JS_IsException(func_val)) |
| 267 | return NULL; |
| 268 | get_c_name(cname, sizeof(cname), module_name); |
| 269 | if (namelist_find(&cname_list, cname)) { |
| 270 | find_unique_cname(cname, sizeof(cname)); |
| 271 | } |
| 272 | output_object_code(ctx, outfile, func_val, cname, TRUE); |
| 273 | |
| 274 | /* the module is already referenced, so we must free it */ |
| 275 | m = JS_VALUE_GET_PTR(func_val); |
| 276 | JS_FreeValue(ctx, func_val); |
| 277 | } |
| 278 | return m; |
| 279 | } |
| 280 | |
| 281 | static void compile_file(JSContext *ctx, FILE *fo, |
| 282 | const char *filename, |
| 283 | const char *c_name1, |
| 284 | int module) |
| 285 | { |
| 286 | uint8_t *buf; |
| 287 | char c_name[1024]; |
| 288 | int eval_flags; |
| 289 | JSValue obj; |
| 290 | size_t buf_len; |
| 291 | |
| 292 | buf = js_load_file(ctx, &buf_len, filename); |
| 293 | if (!buf) { |
| 294 | fprintf(stderr, "Could not load '%s'\n" , filename); |
| 295 | exit(1); |
| 296 | } |
| 297 | eval_flags = JS_EVAL_FLAG_COMPILE_ONLY; |
| 298 | if (module < 0) { |
| 299 | module = (has_suffix(filename, ".mjs" ) || |
| 300 | JS_DetectModule((const char *)buf, buf_len)); |
| 301 | } |
| 302 | if (module) |
| 303 | eval_flags |= JS_EVAL_TYPE_MODULE; |
| 304 | else |
| 305 | eval_flags |= JS_EVAL_TYPE_GLOBAL; |
| 306 | obj = JS_Eval(ctx, (const char *)buf, buf_len, filename, eval_flags); |
| 307 | if (JS_IsException(obj)) { |
| 308 | js_std_dump_error(ctx); |
| 309 | exit(1); |
| 310 | } |
| 311 | js_free(ctx, buf); |
| 312 | if (c_name1) { |
| 313 | pstrcpy(c_name, sizeof(c_name), c_name1); |
| 314 | } else { |
| 315 | get_c_name(c_name, sizeof(c_name), filename); |
| 316 | } |
| 317 | output_object_code(ctx, fo, obj, c_name, FALSE); |
| 318 | JS_FreeValue(ctx, obj); |
| 319 | } |
| 320 | |
| 321 | static const char main_c_template1[] = |
| 322 | "int main(int argc, char **argv)\n" |
| 323 | "{\n" |
| 324 | " JSRuntime *rt;\n" |
| 325 | " JSContext *ctx;\n" |
| 326 | " rt = JS_NewRuntime();\n" |
| 327 | " js_std_set_worker_new_context_func(JS_NewCustomContext);\n" |
| 328 | " js_std_init_handlers(rt);\n" |
| 329 | ; |
| 330 | |
| 331 | static const char main_c_template2[] = |
| 332 | " js_std_loop(ctx);\n" |
| 333 | " js_std_free_handlers(rt);\n" |
| 334 | " JS_FreeContext(ctx);\n" |
| 335 | " JS_FreeRuntime(rt);\n" |
| 336 | " return 0;\n" |
| 337 | "}\n" ; |
| 338 | |
| 339 | #define PROG_NAME "qjsc" |
| 340 | |
| 341 | void help(void) |
| 342 | { |
| 343 | printf("QuickJS Compiler version " CONFIG_VERSION "\n" |
| 344 | "usage: " PROG_NAME " [options] [files]\n" |
| 345 | "\n" |
| 346 | "options are:\n" |
| 347 | "-c only output bytecode to a C file\n" |
| 348 | "-e output main() and bytecode to a C file (default = executable output)\n" |
| 349 | "-o output set the output filename\n" |
| 350 | "-N cname set the C name of the generated data\n" |
| 351 | "-m compile as Javascript module (default=autodetect)\n" |
| 352 | "-D module_name compile a dynamically loaded module or worker\n" |
| 353 | "-M module_name[,cname] add initialization code for an external C module\n" |
| 354 | "-x byte swapped output\n" |
| 355 | "-p prefix set the prefix of the generated C names\n" |
| 356 | "-S n set the maximum stack size to 'n' bytes (default=%d)\n" |
| 357 | "-s strip all the debug info\n" |
| 358 | "--keep-source keep the source code\n" , |
| 359 | JS_DEFAULT_STACK_SIZE); |
| 360 | #ifdef CONFIG_LTO |
| 361 | { |
| 362 | int i; |
| 363 | printf("-flto use link time optimization\n" ); |
| 364 | printf("-fno-[" ); |
| 365 | for(i = 0; i < countof(feature_list); i++) { |
| 366 | if (i != 0) |
| 367 | printf("|" ); |
| 368 | printf("%s" , feature_list[i].option_name); |
| 369 | } |
| 370 | printf("]\n" |
| 371 | " disable selected language features (smaller code size)\n" ); |
| 372 | } |
| 373 | #endif |
| 374 | exit(1); |
| 375 | } |
| 376 | |
| 377 | #if defined(CONFIG_CC) && !defined(_WIN32) |
| 378 | |
| 379 | int exec_cmd(char **argv) |
| 380 | { |
| 381 | int pid, status, ret; |
| 382 | |
| 383 | pid = fork(); |
| 384 | if (pid == 0) { |
| 385 | execvp(argv[0], argv); |
| 386 | exit(1); |
| 387 | } |
| 388 | |
| 389 | for(;;) { |
| 390 | ret = waitpid(pid, &status, 0); |
| 391 | if (ret == pid && WIFEXITED(status)) |
| 392 | break; |
| 393 | } |
| 394 | return WEXITSTATUS(status); |
| 395 | } |
| 396 | |
| 397 | static int output_executable(const char *out_filename, const char *cfilename, |
| 398 | BOOL use_lto, BOOL verbose, const char *exename) |
| 399 | { |
| 400 | const char *argv[64]; |
| 401 | const char **arg, *bn_suffix, *lto_suffix; |
| 402 | char libjsname[1024]; |
| 403 | char exe_dir[1024], inc_dir[1024], lib_dir[1024], buf[1024], *p; |
| 404 | int ret; |
| 405 | |
| 406 | /* get the directory of the executable */ |
| 407 | pstrcpy(exe_dir, sizeof(exe_dir), exename); |
| 408 | p = strrchr(exe_dir, '/'); |
| 409 | if (p) { |
| 410 | *p = '\0'; |
| 411 | } else { |
| 412 | pstrcpy(exe_dir, sizeof(exe_dir), "." ); |
| 413 | } |
| 414 | |
| 415 | /* if 'quickjs.h' is present at the same path as the executable, we |
| 416 | use it as include and lib directory */ |
| 417 | snprintf(buf, sizeof(buf), "%s/quickjs.h" , exe_dir); |
| 418 | if (access(buf, R_OK) == 0) { |
| 419 | pstrcpy(inc_dir, sizeof(inc_dir), exe_dir); |
| 420 | pstrcpy(lib_dir, sizeof(lib_dir), exe_dir); |
| 421 | } else { |
| 422 | snprintf(inc_dir, sizeof(inc_dir), "%s/include/quickjs" , CONFIG_PREFIX); |
| 423 | snprintf(lib_dir, sizeof(lib_dir), "%s/lib/quickjs" , CONFIG_PREFIX); |
| 424 | } |
| 425 | |
| 426 | lto_suffix = "" ; |
| 427 | bn_suffix = "" ; |
| 428 | |
| 429 | arg = argv; |
| 430 | *arg++ = CONFIG_CC; |
| 431 | *arg++ = "-O2" ; |
| 432 | #ifdef CONFIG_LTO |
| 433 | if (use_lto) { |
| 434 | *arg++ = "-flto" ; |
| 435 | lto_suffix = ".lto" ; |
| 436 | } |
| 437 | #endif |
| 438 | /* XXX: use the executable path to find the includes files and |
| 439 | libraries */ |
| 440 | *arg++ = "-D" ; |
| 441 | *arg++ = "_GNU_SOURCE" ; |
| 442 | *arg++ = "-I" ; |
| 443 | *arg++ = inc_dir; |
| 444 | *arg++ = "-o" ; |
| 445 | *arg++ = out_filename; |
| 446 | if (dynamic_export) |
| 447 | *arg++ = "-rdynamic" ; |
| 448 | *arg++ = cfilename; |
| 449 | snprintf(libjsname, sizeof(libjsname), "%s/libquickjs%s%s.a" , |
| 450 | lib_dir, bn_suffix, lto_suffix); |
| 451 | *arg++ = libjsname; |
| 452 | *arg++ = "-lm" ; |
| 453 | *arg++ = "-ldl" ; |
| 454 | *arg++ = "-lpthread" ; |
| 455 | *arg = NULL; |
| 456 | |
| 457 | if (verbose) { |
| 458 | for(arg = argv; *arg != NULL; arg++) |
| 459 | printf("%s " , *arg); |
| 460 | printf("\n" ); |
| 461 | } |
| 462 | |
| 463 | ret = exec_cmd((char **)argv); |
| 464 | unlink(cfilename); |
| 465 | return ret; |
| 466 | } |
| 467 | #else |
| 468 | static int output_executable(const char *out_filename, const char *cfilename, |
| 469 | BOOL use_lto, BOOL verbose, const char *exename) |
| 470 | { |
| 471 | fprintf(stderr, "Executable output is not supported for this target\n" ); |
| 472 | exit(1); |
| 473 | return 0; |
| 474 | } |
| 475 | #endif |
| 476 | |
| 477 | static size_t get_suffixed_size(const char *str) |
| 478 | { |
| 479 | char *p; |
| 480 | size_t v; |
| 481 | v = (size_t)strtod(str, &p); |
| 482 | switch(*p) { |
| 483 | case 'G': |
| 484 | v <<= 30; |
| 485 | break; |
| 486 | case 'M': |
| 487 | v <<= 20; |
| 488 | break; |
| 489 | case 'k': |
| 490 | case 'K': |
| 491 | v <<= 10; |
| 492 | break; |
| 493 | default: |
| 494 | if (*p != '\0') { |
| 495 | fprintf(stderr, "qjs: invalid suffix: %s\n" , p); |
| 496 | exit(1); |
| 497 | } |
| 498 | break; |
| 499 | } |
| 500 | return v; |
| 501 | } |
| 502 | |
| 503 | typedef enum { |
| 504 | OUTPUT_C, |
| 505 | OUTPUT_C_MAIN, |
| 506 | OUTPUT_EXECUTABLE, |
| 507 | } OutputTypeEnum; |
| 508 | |
| 509 | static const char *get_short_optarg(int *poptind, int opt, |
| 510 | const char *arg, int argc, char **argv) |
| 511 | { |
| 512 | const char *optarg; |
| 513 | if (*arg) { |
| 514 | optarg = arg; |
| 515 | } else if (*poptind < argc) { |
| 516 | optarg = argv[(*poptind)++]; |
| 517 | } else { |
| 518 | fprintf(stderr, "qjsc: expecting parameter for -%c\n" , opt); |
| 519 | exit(1); |
| 520 | } |
| 521 | return optarg; |
| 522 | } |
| 523 | |
| 524 | int main(int argc, char **argv) |
| 525 | { |
| 526 | int i, verbose, strip_flags; |
| 527 | const char *out_filename, *cname; |
| 528 | char cfilename[1024]; |
| 529 | FILE *fo; |
| 530 | JSRuntime *rt; |
| 531 | JSContext *ctx; |
| 532 | BOOL use_lto; |
| 533 | int module; |
| 534 | OutputTypeEnum output_type; |
| 535 | size_t stack_size; |
| 536 | namelist_t dynamic_module_list; |
| 537 | |
| 538 | out_filename = NULL; |
| 539 | output_type = OUTPUT_EXECUTABLE; |
| 540 | cname = NULL; |
| 541 | feature_bitmap = FE_ALL; |
| 542 | module = -1; |
| 543 | byte_swap = FALSE; |
| 544 | verbose = 0; |
| 545 | strip_flags = JS_STRIP_SOURCE; |
| 546 | use_lto = FALSE; |
| 547 | stack_size = 0; |
| 548 | memset(&dynamic_module_list, 0, sizeof(dynamic_module_list)); |
| 549 | |
| 550 | /* add system modules */ |
| 551 | namelist_add(&cmodule_list, "std" , "std" , 0); |
| 552 | namelist_add(&cmodule_list, "os" , "os" , 0); |
| 553 | |
| 554 | optind = 1; |
| 555 | while (optind < argc && *argv[optind] == '-') { |
| 556 | char *arg = argv[optind] + 1; |
| 557 | const char *longopt = "" ; |
| 558 | const char *optarg; |
| 559 | /* a single - is not an option, it also stops argument scanning */ |
| 560 | if (!*arg) |
| 561 | break; |
| 562 | optind++; |
| 563 | if (*arg == '-') { |
| 564 | longopt = arg + 1; |
| 565 | arg += strlen(arg); |
| 566 | /* -- stops argument scanning */ |
| 567 | if (!*longopt) |
| 568 | break; |
| 569 | } |
| 570 | for (; *arg || *longopt; longopt = "" ) { |
| 571 | char opt = *arg; |
| 572 | if (opt) |
| 573 | arg++; |
| 574 | if (opt == 'h' || opt == '?' || !strcmp(longopt, "help" )) { |
| 575 | help(); |
| 576 | continue; |
| 577 | } |
| 578 | if (opt == 'o') { |
| 579 | out_filename = get_short_optarg(&optind, opt, arg, argc, argv); |
| 580 | break; |
| 581 | } |
| 582 | if (opt == 'c') { |
| 583 | output_type = OUTPUT_C; |
| 584 | continue; |
| 585 | } |
| 586 | if (opt == 'e') { |
| 587 | output_type = OUTPUT_C_MAIN; |
| 588 | continue; |
| 589 | } |
| 590 | if (opt == 'N') { |
| 591 | cname = get_short_optarg(&optind, opt, arg, argc, argv); |
| 592 | break; |
| 593 | } |
| 594 | if (opt == 'f') { |
| 595 | const char *p; |
| 596 | optarg = get_short_optarg(&optind, opt, arg, argc, argv); |
| 597 | p = optarg; |
| 598 | if (!strcmp(p, "lto" )) { |
| 599 | use_lto = TRUE; |
| 600 | } else if (strstart(p, "no-" , &p)) { |
| 601 | use_lto = TRUE; |
| 602 | for(i = 0; i < countof(feature_list); i++) { |
| 603 | if (!strcmp(p, feature_list[i].option_name)) { |
| 604 | feature_bitmap &= ~((uint64_t)1 << i); |
| 605 | break; |
| 606 | } |
| 607 | } |
| 608 | if (i == countof(feature_list)) |
| 609 | goto bad_feature; |
| 610 | } else { |
| 611 | bad_feature: |
| 612 | fprintf(stderr, "unsupported feature: %s\n" , optarg); |
| 613 | exit(1); |
| 614 | } |
| 615 | break; |
| 616 | } |
| 617 | if (opt == 'm') { |
| 618 | module = 1; |
| 619 | continue; |
| 620 | } |
| 621 | if (opt == 'M') { |
| 622 | char *p; |
| 623 | char path[1024]; |
| 624 | char cname[1024]; |
| 625 | |
| 626 | optarg = get_short_optarg(&optind, opt, arg, argc, argv); |
| 627 | pstrcpy(path, sizeof(path), optarg); |
| 628 | p = strchr(path, ','); |
| 629 | if (p) { |
| 630 | *p = '\0'; |
| 631 | pstrcpy(cname, sizeof(cname), p + 1); |
| 632 | } else { |
| 633 | get_c_name(cname, sizeof(cname), path); |
| 634 | } |
| 635 | namelist_add(&cmodule_list, path, cname, 0); |
| 636 | break; |
| 637 | } |
| 638 | if (opt == 'D') { |
| 639 | optarg = get_short_optarg(&optind, opt, arg, argc, argv); |
| 640 | namelist_add(&dynamic_module_list, optarg, NULL, 0); |
| 641 | break; |
| 642 | } |
| 643 | if (opt == 'x') { |
| 644 | byte_swap = 1; |
| 645 | continue; |
| 646 | } |
| 647 | if (opt == 'v') { |
| 648 | verbose++; |
| 649 | continue; |
| 650 | } |
| 651 | if (opt == 'p') { |
| 652 | c_ident_prefix = get_short_optarg(&optind, opt, arg, argc, argv); |
| 653 | break; |
| 654 | } |
| 655 | if (opt == 'S') { |
| 656 | optarg = get_short_optarg(&optind, opt, arg, argc, argv); |
| 657 | stack_size = get_suffixed_size(optarg); |
| 658 | break; |
| 659 | } |
| 660 | if (opt == 's') { |
| 661 | strip_flags = JS_STRIP_DEBUG; |
| 662 | continue; |
| 663 | } |
| 664 | if (!strcmp(longopt, "keep-source" )) { |
| 665 | strip_flags = 0; |
| 666 | continue; |
| 667 | } |
| 668 | if (opt) { |
| 669 | fprintf(stderr, "qjsc: unknown option '-%c'\n" , opt); |
| 670 | } else { |
| 671 | fprintf(stderr, "qjsc: unknown option '--%s'\n" , longopt); |
| 672 | } |
| 673 | help(); |
| 674 | } |
| 675 | } |
| 676 | |
| 677 | if (optind >= argc) |
| 678 | help(); |
| 679 | |
| 680 | if (!out_filename) { |
| 681 | if (output_type == OUTPUT_EXECUTABLE) { |
| 682 | out_filename = "a.out" ; |
| 683 | } else { |
| 684 | out_filename = "out.c" ; |
| 685 | } |
| 686 | } |
| 687 | |
| 688 | if (output_type == OUTPUT_EXECUTABLE) { |
| 689 | #if defined(_WIN32) || defined(__ANDROID__) |
| 690 | /* XXX: find a /tmp directory ? */ |
| 691 | snprintf(cfilename, sizeof(cfilename), "out%d.c" , getpid()); |
| 692 | #else |
| 693 | snprintf(cfilename, sizeof(cfilename), "/tmp/out%d.c" , getpid()); |
| 694 | #endif |
| 695 | } else { |
| 696 | pstrcpy(cfilename, sizeof(cfilename), out_filename); |
| 697 | } |
| 698 | |
| 699 | fo = fopen(cfilename, "w" ); |
| 700 | if (!fo) { |
| 701 | perror(cfilename); |
| 702 | exit(1); |
| 703 | } |
| 704 | outfile = fo; |
| 705 | |
| 706 | rt = JS_NewRuntime(); |
| 707 | ctx = JS_NewContext(rt); |
| 708 | |
| 709 | JS_SetStripInfo(rt, strip_flags); |
| 710 | |
| 711 | /* loader for ES6 modules */ |
| 712 | JS_SetModuleLoaderFunc(rt, NULL, jsc_module_loader, NULL); |
| 713 | |
| 714 | fprintf(fo, "/* File generated automatically by the QuickJS compiler. */\n" |
| 715 | "\n" |
| 716 | ); |
| 717 | |
| 718 | if (output_type != OUTPUT_C) { |
| 719 | fprintf(fo, "#include \"quickjs-libc.h\"\n" |
| 720 | "\n" |
| 721 | ); |
| 722 | } else { |
| 723 | fprintf(fo, "#include <inttypes.h>\n" |
| 724 | "\n" |
| 725 | ); |
| 726 | } |
| 727 | |
| 728 | for(i = optind; i < argc; i++) { |
| 729 | const char *filename = argv[i]; |
| 730 | compile_file(ctx, fo, filename, cname, module); |
| 731 | cname = NULL; |
| 732 | } |
| 733 | |
| 734 | for(i = 0; i < dynamic_module_list.count; i++) { |
| 735 | if (!jsc_module_loader(ctx, dynamic_module_list.array[i].name, NULL)) { |
| 736 | fprintf(stderr, "Could not load dynamic module '%s'\n" , |
| 737 | dynamic_module_list.array[i].name); |
| 738 | exit(1); |
| 739 | } |
| 740 | } |
| 741 | |
| 742 | if (output_type != OUTPUT_C) { |
| 743 | fprintf(fo, |
| 744 | "static JSContext *JS_NewCustomContext(JSRuntime *rt)\n" |
| 745 | "{\n" |
| 746 | " JSContext *ctx = JS_NewContextRaw(rt);\n" |
| 747 | " if (!ctx)\n" |
| 748 | " return NULL;\n" ); |
| 749 | /* add the basic objects */ |
| 750 | fprintf(fo, " JS_AddIntrinsicBaseObjects(ctx);\n" ); |
| 751 | for(i = 0; i < countof(feature_list); i++) { |
| 752 | if ((feature_bitmap & ((uint64_t)1 << i)) && |
| 753 | feature_list[i].init_name) { |
| 754 | fprintf(fo, " JS_AddIntrinsic%s(ctx);\n" , |
| 755 | feature_list[i].init_name); |
| 756 | } |
| 757 | } |
| 758 | /* add the precompiled modules (XXX: could modify the module |
| 759 | loader instead) */ |
| 760 | for(i = 0; i < init_module_list.count; i++) { |
| 761 | namelist_entry_t *e = &init_module_list.array[i]; |
| 762 | /* initialize the static C modules */ |
| 763 | |
| 764 | fprintf(fo, |
| 765 | " {\n" |
| 766 | " extern JSModuleDef *js_init_module_%s(JSContext *ctx, const char *name);\n" |
| 767 | " js_init_module_%s(ctx, \"%s\");\n" |
| 768 | " }\n" , |
| 769 | e->short_name, e->short_name, e->name); |
| 770 | } |
| 771 | for(i = 0; i < cname_list.count; i++) { |
| 772 | namelist_entry_t *e = &cname_list.array[i]; |
| 773 | if (e->flags) { |
| 774 | fprintf(fo, " js_std_eval_binary(ctx, %s, %s_size, 1);\n" , |
| 775 | e->name, e->name); |
| 776 | } |
| 777 | } |
| 778 | fprintf(fo, |
| 779 | " return ctx;\n" |
| 780 | "}\n\n" ); |
| 781 | |
| 782 | fputs(main_c_template1, fo); |
| 783 | |
| 784 | if (stack_size != 0) { |
| 785 | fprintf(fo, " JS_SetMaxStackSize(rt, %u);\n" , |
| 786 | (unsigned int)stack_size); |
| 787 | } |
| 788 | |
| 789 | /* add the module loader if necessary */ |
| 790 | if (feature_bitmap & (1 << FE_MODULE_LOADER)) { |
| 791 | fprintf(fo, " JS_SetModuleLoaderFunc(rt, NULL, js_module_loader, NULL);\n" ); |
| 792 | } |
| 793 | |
| 794 | fprintf(fo, |
| 795 | " ctx = JS_NewCustomContext(rt);\n" |
| 796 | " js_std_add_helpers(ctx, argc, argv);\n" ); |
| 797 | |
| 798 | for(i = 0; i < cname_list.count; i++) { |
| 799 | namelist_entry_t *e = &cname_list.array[i]; |
| 800 | if (!e->flags) { |
| 801 | fprintf(fo, " js_std_eval_binary(ctx, %s, %s_size, 0);\n" , |
| 802 | e->name, e->name); |
| 803 | } |
| 804 | } |
| 805 | fputs(main_c_template2, fo); |
| 806 | } |
| 807 | |
| 808 | JS_FreeContext(ctx); |
| 809 | JS_FreeRuntime(rt); |
| 810 | |
| 811 | fclose(fo); |
| 812 | |
| 813 | if (output_type == OUTPUT_EXECUTABLE) { |
| 814 | return output_executable(out_filename, cfilename, use_lto, verbose, |
| 815 | argv[0]); |
| 816 | } |
| 817 | namelist_free(&cname_list); |
| 818 | namelist_free(&cmodule_list); |
| 819 | namelist_free(&init_module_list); |
| 820 | return 0; |
| 821 | } |
| 822 | |