| 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 |  | 
|---|