Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | (function(global, utils) { |
| 6 | |
| 7 | %CheckIsBootstrapping(); |
| 8 | |
| 9 | // ------------------------------------------------------------------- |
| 10 | // Imports |
| 11 | |
| 12 | var ArrayIndexOf; |
| 13 | var ArrayJoin; |
| 14 | var GlobalRegExp = global.RegExp; |
| 15 | var GlobalString = global.String; |
| 16 | var InternalArray = utils.InternalArray; |
| 17 | var InternalPackedArray = utils.InternalPackedArray; |
| 18 | var MakeRangeError; |
| 19 | var MakeTypeError; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 20 | var MaxSimple; |
| 21 | var MinSimple; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 22 | var matchSymbol = utils.ImportNow("match_symbol"); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 23 | var RegExpExecNoTests; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 24 | var replaceSymbol = utils.ImportNow("replace_symbol"); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 25 | var searchSymbol = utils.ImportNow("search_symbol"); |
| 26 | var splitSymbol = utils.ImportNow("split_symbol"); |
| 27 | |
| 28 | utils.Import(function(from) { |
| 29 | ArrayIndexOf = from.ArrayIndexOf; |
| 30 | ArrayJoin = from.ArrayJoin; |
| 31 | MakeRangeError = from.MakeRangeError; |
| 32 | MakeTypeError = from.MakeTypeError; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 33 | MaxSimple = from.MaxSimple; |
| 34 | MinSimple = from.MinSimple; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 35 | RegExpExecNoTests = from.RegExpExecNoTests; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 36 | }); |
| 37 | |
| 38 | //------------------------------------------------------------------- |
| 39 | |
| 40 | // ECMA-262 section 15.5.4.2 |
| 41 | function StringToString() { |
| 42 | if (!IS_STRING(this) && !IS_STRING_WRAPPER(this)) { |
| 43 | throw MakeTypeError(kNotGeneric, 'String.prototype.toString'); |
| 44 | } |
| 45 | return %_ValueOf(this); |
| 46 | } |
| 47 | |
| 48 | |
| 49 | // ECMA-262 section 15.5.4.3 |
| 50 | function StringValueOf() { |
| 51 | if (!IS_STRING(this) && !IS_STRING_WRAPPER(this)) { |
| 52 | throw MakeTypeError(kNotGeneric, 'String.prototype.valueOf'); |
| 53 | } |
| 54 | return %_ValueOf(this); |
| 55 | } |
| 56 | |
| 57 | |
| 58 | // ECMA-262, section 15.5.4.4 |
| 59 | function StringCharAtJS(pos) { |
| 60 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.charAt"); |
| 61 | |
| 62 | var result = %_StringCharAt(this, pos); |
| 63 | if (%_IsSmi(result)) { |
| 64 | result = %_StringCharAt(TO_STRING(this), TO_INTEGER(pos)); |
| 65 | } |
| 66 | return result; |
| 67 | } |
| 68 | |
| 69 | |
| 70 | // ECMA-262 section 15.5.4.5 |
| 71 | function StringCharCodeAtJS(pos) { |
| 72 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.charCodeAt"); |
| 73 | |
| 74 | var result = %_StringCharCodeAt(this, pos); |
| 75 | if (!%_IsSmi(result)) { |
| 76 | result = %_StringCharCodeAt(TO_STRING(this), TO_INTEGER(pos)); |
| 77 | } |
| 78 | return result; |
| 79 | } |
| 80 | |
| 81 | |
| 82 | // ECMA-262, section 15.5.4.6 |
| 83 | function StringConcat(other /* and more */) { // length == 1 |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 84 | "use strict"; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 85 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.concat"); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 86 | var s = TO_STRING(this); |
| 87 | var len = arguments.length; |
| 88 | for (var i = 0; i < len; ++i) { |
| 89 | s = s + TO_STRING(arguments[i]); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 90 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 91 | return s; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 92 | } |
| 93 | |
| 94 | |
| 95 | // ECMA-262 section 15.5.4.7 |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 96 | function StringIndexOf(pattern, position) { // length == 1 |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 97 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.indexOf"); |
| 98 | |
| 99 | var subject = TO_STRING(this); |
| 100 | pattern = TO_STRING(pattern); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 101 | var index = TO_INTEGER(position); |
| 102 | if (index < 0) index = 0; |
| 103 | if (index > subject.length) index = subject.length; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 104 | return %StringIndexOf(subject, pattern, index); |
| 105 | } |
| 106 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 107 | %FunctionSetLength(StringIndexOf, 1); |
| 108 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 109 | |
| 110 | // ECMA-262 section 15.5.4.8 |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 111 | function StringLastIndexOf(pat, pos) { // length == 1 |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 112 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.lastIndexOf"); |
| 113 | |
| 114 | var sub = TO_STRING(this); |
| 115 | var subLength = sub.length; |
| 116 | var pat = TO_STRING(pat); |
| 117 | var patLength = pat.length; |
| 118 | var index = subLength - patLength; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 119 | var position = TO_NUMBER(pos); |
| 120 | if (!NUMBER_IS_NAN(position)) { |
| 121 | position = TO_INTEGER(position); |
| 122 | if (position < 0) { |
| 123 | position = 0; |
| 124 | } |
| 125 | if (position + patLength < subLength) { |
| 126 | index = position; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 127 | } |
| 128 | } |
| 129 | if (index < 0) { |
| 130 | return -1; |
| 131 | } |
| 132 | return %StringLastIndexOf(sub, pat, index); |
| 133 | } |
| 134 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 135 | %FunctionSetLength(StringLastIndexOf, 1); |
| 136 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 137 | |
| 138 | // ECMA-262 section 15.5.4.9 |
| 139 | // |
| 140 | // This function is implementation specific. For now, we do not |
| 141 | // do anything locale specific. |
| 142 | function StringLocaleCompareJS(other) { |
| 143 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.localeCompare"); |
| 144 | |
| 145 | return %StringLocaleCompare(TO_STRING(this), TO_STRING(other)); |
| 146 | } |
| 147 | |
| 148 | |
| 149 | // ES6 21.1.3.11. |
| 150 | function StringMatchJS(pattern) { |
| 151 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.match"); |
| 152 | |
| 153 | if (!IS_NULL_OR_UNDEFINED(pattern)) { |
| 154 | var matcher = pattern[matchSymbol]; |
| 155 | if (!IS_UNDEFINED(matcher)) { |
| 156 | return %_Call(matcher, pattern, this); |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | var subject = TO_STRING(this); |
| 161 | |
| 162 | // Non-regexp argument. |
| 163 | var regexp = new GlobalRegExp(pattern); |
| 164 | return RegExpExecNoTests(regexp, subject, 0); |
| 165 | } |
| 166 | |
| 167 | |
| 168 | // ECMA-262 v6, section 21.1.3.12 |
| 169 | // |
| 170 | // For now we do nothing, as proper normalization requires big tables. |
| 171 | // If Intl is enabled, then i18n.js will override it and provide the the |
| 172 | // proper functionality. |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 173 | function StringNormalize(formArg) { // length == 0 |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 174 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.normalize"); |
| 175 | var s = TO_STRING(this); |
| 176 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 177 | var form = IS_UNDEFINED(formArg) ? 'NFC' : TO_STRING(formArg); |
| 178 | |
| 179 | var NORMALIZATION_FORMS = ['NFC', 'NFD', 'NFKC', 'NFKD']; |
| 180 | var normalizationForm = %_Call(ArrayIndexOf, NORMALIZATION_FORMS, form); |
| 181 | if (normalizationForm === -1) { |
| 182 | throw MakeRangeError(kNormalizationForm, |
| 183 | %_Call(ArrayJoin, NORMALIZATION_FORMS, ', ')); |
| 184 | } |
| 185 | |
| 186 | return s; |
| 187 | } |
| 188 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 189 | %FunctionSetLength(StringNormalize, 0); |
| 190 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 191 | |
| 192 | // This has the same size as the RegExpLastMatchInfo array, and can be used |
| 193 | // for functions that expect that structure to be returned. It is used when |
| 194 | // the needle is a string rather than a regexp. In this case we can't update |
| 195 | // lastMatchArray without erroneously affecting the properties on the global |
| 196 | // RegExp object. |
| 197 | var reusableMatchInfo = [2, "", "", -1, -1]; |
| 198 | |
| 199 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 200 | // ES6, section 21.1.3.14 |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 201 | function StringReplace(search, replace) { |
| 202 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.replace"); |
| 203 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 204 | // Decision tree for dispatch |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 205 | // .. regexp search (in src/js/regexp.js, RegExpReplace) |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 206 | // .... string replace |
| 207 | // ...... non-global search |
| 208 | // ........ empty string replace |
| 209 | // ........ non-empty string replace (with $-expansion) |
| 210 | // ...... global search |
| 211 | // ........ no need to circumvent last match info override |
| 212 | // ........ need to circument last match info override |
| 213 | // .... function replace |
| 214 | // ...... global search |
| 215 | // ...... non-global search |
| 216 | // .. string search |
| 217 | // .... special case that replaces with one single character |
| 218 | // ...... function replace |
| 219 | // ...... string replace (with $-expansion) |
| 220 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 221 | if (!IS_NULL_OR_UNDEFINED(search)) { |
| 222 | var replacer = search[replaceSymbol]; |
| 223 | if (!IS_UNDEFINED(replacer)) { |
| 224 | return %_Call(replacer, search, this, replace); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 225 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 226 | } |
| 227 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 228 | var subject = TO_STRING(this); |
| 229 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 230 | search = TO_STRING(search); |
| 231 | |
| 232 | if (search.length == 1 && |
| 233 | subject.length > 0xFF && |
| 234 | IS_STRING(replace) && |
| 235 | %StringIndexOf(replace, '$', 0) < 0) { |
| 236 | // Searching by traversing a cons string tree and replace with cons of |
| 237 | // slices works only when the replaced string is a single character, being |
| 238 | // replaced by a simple string and only pays off for long strings. |
| 239 | return %StringReplaceOneCharWithString(subject, search, replace); |
| 240 | } |
| 241 | var start = %StringIndexOf(subject, search, 0); |
| 242 | if (start < 0) return subject; |
| 243 | var end = start + search.length; |
| 244 | |
| 245 | var result = %_SubString(subject, 0, start); |
| 246 | |
| 247 | // Compute the string to replace with. |
| 248 | if (IS_CALLABLE(replace)) { |
| 249 | result += replace(search, start, subject); |
| 250 | } else { |
| 251 | reusableMatchInfo[CAPTURE0] = start; |
| 252 | reusableMatchInfo[CAPTURE1] = end; |
| 253 | result = ExpandReplacement(TO_STRING(replace), |
| 254 | subject, |
| 255 | reusableMatchInfo, |
| 256 | result); |
| 257 | } |
| 258 | |
| 259 | return result + %_SubString(subject, end, subject.length); |
| 260 | } |
| 261 | |
| 262 | |
| 263 | // Expand the $-expressions in the string and return a new string with |
| 264 | // the result. |
| 265 | function ExpandReplacement(string, subject, matchInfo, result) { |
| 266 | var length = string.length; |
| 267 | var next = %StringIndexOf(string, '$', 0); |
| 268 | if (next < 0) { |
| 269 | if (length > 0) result += string; |
| 270 | return result; |
| 271 | } |
| 272 | |
| 273 | if (next > 0) result += %_SubString(string, 0, next); |
| 274 | |
| 275 | while (true) { |
| 276 | var expansion = '$'; |
| 277 | var position = next + 1; |
| 278 | if (position < length) { |
| 279 | var peek = %_StringCharCodeAt(string, position); |
| 280 | if (peek == 36) { // $$ |
| 281 | ++position; |
| 282 | result += '$'; |
| 283 | } else if (peek == 38) { // $& - match |
| 284 | ++position; |
| 285 | result += |
| 286 | %_SubString(subject, matchInfo[CAPTURE0], matchInfo[CAPTURE1]); |
| 287 | } else if (peek == 96) { // $` - prefix |
| 288 | ++position; |
| 289 | result += %_SubString(subject, 0, matchInfo[CAPTURE0]); |
| 290 | } else if (peek == 39) { // $' - suffix |
| 291 | ++position; |
| 292 | result += %_SubString(subject, matchInfo[CAPTURE1], subject.length); |
| 293 | } else if (peek >= 48 && peek <= 57) { |
| 294 | // Valid indices are $1 .. $9, $01 .. $09 and $10 .. $99 |
| 295 | var scaled_index = (peek - 48) << 1; |
| 296 | var advance = 1; |
| 297 | var number_of_captures = NUMBER_OF_CAPTURES(matchInfo); |
| 298 | if (position + 1 < string.length) { |
| 299 | var next = %_StringCharCodeAt(string, position + 1); |
| 300 | if (next >= 48 && next <= 57) { |
| 301 | var new_scaled_index = scaled_index * 10 + ((next - 48) << 1); |
| 302 | if (new_scaled_index < number_of_captures) { |
| 303 | scaled_index = new_scaled_index; |
| 304 | advance = 2; |
| 305 | } |
| 306 | } |
| 307 | } |
| 308 | if (scaled_index != 0 && scaled_index < number_of_captures) { |
| 309 | var start = matchInfo[CAPTURE(scaled_index)]; |
| 310 | if (start >= 0) { |
| 311 | result += |
| 312 | %_SubString(subject, start, matchInfo[CAPTURE(scaled_index + 1)]); |
| 313 | } |
| 314 | position += advance; |
| 315 | } else { |
| 316 | result += '$'; |
| 317 | } |
| 318 | } else { |
| 319 | result += '$'; |
| 320 | } |
| 321 | } else { |
| 322 | result += '$'; |
| 323 | } |
| 324 | |
| 325 | // Go the the next $ in the string. |
| 326 | next = %StringIndexOf(string, '$', position); |
| 327 | |
| 328 | // Return if there are no more $ characters in the string. If we |
| 329 | // haven't reached the end, we need to append the suffix. |
| 330 | if (next < 0) { |
| 331 | if (position < length) { |
| 332 | result += %_SubString(string, position, length); |
| 333 | } |
| 334 | return result; |
| 335 | } |
| 336 | |
| 337 | // Append substring between the previous and the next $ character. |
| 338 | if (next > position) { |
| 339 | result += %_SubString(string, position, next); |
| 340 | } |
| 341 | } |
| 342 | return result; |
| 343 | } |
| 344 | |
| 345 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 346 | // ES6 21.1.3.15. |
| 347 | function StringSearch(pattern) { |
| 348 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.search"); |
| 349 | |
| 350 | if (!IS_NULL_OR_UNDEFINED(pattern)) { |
| 351 | var searcher = pattern[searchSymbol]; |
| 352 | if (!IS_UNDEFINED(searcher)) { |
| 353 | return %_Call(searcher, pattern, this); |
| 354 | } |
| 355 | } |
| 356 | |
| 357 | var subject = TO_STRING(this); |
| 358 | var regexp = new GlobalRegExp(pattern); |
| 359 | return %_Call(regexp[searchSymbol], regexp, subject); |
| 360 | } |
| 361 | |
| 362 | |
| 363 | // ECMA-262 section 15.5.4.13 |
| 364 | function StringSlice(start, end) { |
| 365 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.slice"); |
| 366 | |
| 367 | var s = TO_STRING(this); |
| 368 | var s_len = s.length; |
| 369 | var start_i = TO_INTEGER(start); |
| 370 | var end_i = s_len; |
| 371 | if (!IS_UNDEFINED(end)) { |
| 372 | end_i = TO_INTEGER(end); |
| 373 | } |
| 374 | |
| 375 | if (start_i < 0) { |
| 376 | start_i += s_len; |
| 377 | if (start_i < 0) { |
| 378 | start_i = 0; |
| 379 | } |
| 380 | } else { |
| 381 | if (start_i > s_len) { |
| 382 | return ''; |
| 383 | } |
| 384 | } |
| 385 | |
| 386 | if (end_i < 0) { |
| 387 | end_i += s_len; |
| 388 | if (end_i < 0) { |
| 389 | return ''; |
| 390 | } |
| 391 | } else { |
| 392 | if (end_i > s_len) { |
| 393 | end_i = s_len; |
| 394 | } |
| 395 | } |
| 396 | |
| 397 | if (end_i <= start_i) { |
| 398 | return ''; |
| 399 | } |
| 400 | |
| 401 | return %_SubString(s, start_i, end_i); |
| 402 | } |
| 403 | |
| 404 | |
| 405 | // ES6 21.1.3.17. |
| 406 | function StringSplitJS(separator, limit) { |
| 407 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.split"); |
| 408 | |
| 409 | if (!IS_NULL_OR_UNDEFINED(separator)) { |
| 410 | var splitter = separator[splitSymbol]; |
| 411 | if (!IS_UNDEFINED(splitter)) { |
| 412 | return %_Call(splitter, separator, this, limit); |
| 413 | } |
| 414 | } |
| 415 | |
| 416 | var subject = TO_STRING(this); |
| 417 | limit = (IS_UNDEFINED(limit)) ? kMaxUint32 : TO_UINT32(limit); |
| 418 | |
| 419 | var length = subject.length; |
| 420 | var separator_string = TO_STRING(separator); |
| 421 | |
| 422 | if (limit === 0) return []; |
| 423 | |
| 424 | // ECMA-262 says that if separator is undefined, the result should |
| 425 | // be an array of size 1 containing the entire string. |
| 426 | if (IS_UNDEFINED(separator)) return [subject]; |
| 427 | |
| 428 | var separator_length = separator_string.length; |
| 429 | |
| 430 | // If the separator string is empty then return the elements in the subject. |
| 431 | if (separator_length === 0) return %StringToArray(subject, limit); |
| 432 | |
| 433 | return %StringSplit(subject, separator_string, limit); |
| 434 | } |
| 435 | |
| 436 | |
| 437 | // ECMA-262 section 15.5.4.15 |
| 438 | function StringSubstring(start, end) { |
| 439 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.subString"); |
| 440 | |
| 441 | var s = TO_STRING(this); |
| 442 | var s_len = s.length; |
| 443 | |
| 444 | var start_i = TO_INTEGER(start); |
| 445 | if (start_i < 0) { |
| 446 | start_i = 0; |
| 447 | } else if (start_i > s_len) { |
| 448 | start_i = s_len; |
| 449 | } |
| 450 | |
| 451 | var end_i = s_len; |
| 452 | if (!IS_UNDEFINED(end)) { |
| 453 | end_i = TO_INTEGER(end); |
| 454 | if (end_i > s_len) { |
| 455 | end_i = s_len; |
| 456 | } else { |
| 457 | if (end_i < 0) end_i = 0; |
| 458 | if (start_i > end_i) { |
| 459 | var tmp = end_i; |
| 460 | end_i = start_i; |
| 461 | start_i = tmp; |
| 462 | } |
| 463 | } |
| 464 | } |
| 465 | |
| 466 | return %_SubString(s, start_i, end_i); |
| 467 | } |
| 468 | |
| 469 | |
| 470 | // ES6 draft, revision 26 (2014-07-18), section B.2.3.1 |
| 471 | function StringSubstr(start, n) { |
| 472 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.substr"); |
| 473 | |
| 474 | var s = TO_STRING(this); |
| 475 | var len; |
| 476 | |
| 477 | // Correct n: If not given, set to string length; if explicitly |
| 478 | // set to undefined, zero, or negative, returns empty string. |
| 479 | if (IS_UNDEFINED(n)) { |
| 480 | len = s.length; |
| 481 | } else { |
| 482 | len = TO_INTEGER(n); |
| 483 | if (len <= 0) return ''; |
| 484 | } |
| 485 | |
| 486 | // Correct start: If not given (or undefined), set to zero; otherwise |
| 487 | // convert to integer and handle negative case. |
| 488 | if (IS_UNDEFINED(start)) { |
| 489 | start = 0; |
| 490 | } else { |
| 491 | start = TO_INTEGER(start); |
| 492 | // If positive, and greater than or equal to the string length, |
| 493 | // return empty string. |
| 494 | if (start >= s.length) return ''; |
| 495 | // If negative and absolute value is larger than the string length, |
| 496 | // use zero. |
| 497 | if (start < 0) { |
| 498 | start += s.length; |
| 499 | if (start < 0) start = 0; |
| 500 | } |
| 501 | } |
| 502 | |
| 503 | var end = start + len; |
| 504 | if (end > s.length) end = s.length; |
| 505 | |
| 506 | return %_SubString(s, start, end); |
| 507 | } |
| 508 | |
| 509 | |
| 510 | // ECMA-262, 15.5.4.16 |
| 511 | function StringToLowerCaseJS() { |
| 512 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.toLowerCase"); |
| 513 | |
| 514 | return %StringToLowerCase(TO_STRING(this)); |
| 515 | } |
| 516 | |
| 517 | |
| 518 | // ECMA-262, 15.5.4.17 |
| 519 | function StringToLocaleLowerCase() { |
| 520 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.toLocaleLowerCase"); |
| 521 | |
| 522 | return %StringToLowerCase(TO_STRING(this)); |
| 523 | } |
| 524 | |
| 525 | |
| 526 | // ECMA-262, 15.5.4.18 |
| 527 | function StringToUpperCaseJS() { |
| 528 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.toUpperCase"); |
| 529 | |
| 530 | return %StringToUpperCase(TO_STRING(this)); |
| 531 | } |
| 532 | |
| 533 | |
| 534 | // ECMA-262, 15.5.4.19 |
| 535 | function StringToLocaleUpperCase() { |
| 536 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.toLocaleUpperCase"); |
| 537 | |
| 538 | return %StringToUpperCase(TO_STRING(this)); |
| 539 | } |
| 540 | |
| 541 | // ES5, 15.5.4.20 |
| 542 | function StringTrimJS() { |
| 543 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.trim"); |
| 544 | |
| 545 | return %StringTrim(TO_STRING(this), true, true); |
| 546 | } |
| 547 | |
| 548 | function StringTrimLeft() { |
| 549 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.trimLeft"); |
| 550 | |
| 551 | return %StringTrim(TO_STRING(this), true, false); |
| 552 | } |
| 553 | |
| 554 | function StringTrimRight() { |
| 555 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.trimRight"); |
| 556 | |
| 557 | return %StringTrim(TO_STRING(this), false, true); |
| 558 | } |
| 559 | |
| 560 | |
| 561 | // ECMA-262, section 15.5.3.2 |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 562 | function StringFromCharCode(_) { // length == 1 |
| 563 | "use strict"; |
| 564 | var s = ""; |
| 565 | var n = arguments.length; |
| 566 | for (var i = 0; i < n; ++i) { |
| 567 | s += %_StringCharFromCode(arguments[i] & 0xffff); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 568 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 569 | return s; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 570 | } |
| 571 | |
| 572 | |
| 573 | // ES6 draft, revision 26 (2014-07-18), section B.2.3.2.1 |
| 574 | function HtmlEscape(str) { |
| 575 | return %_Call(StringReplace, TO_STRING(str), /"/g, """); |
| 576 | } |
| 577 | |
| 578 | |
| 579 | // ES6 draft, revision 26 (2014-07-18), section B.2.3.2 |
| 580 | function StringAnchor(name) { |
| 581 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.anchor"); |
| 582 | return "<a name=\"" + HtmlEscape(name) + "\">" + TO_STRING(this) + |
| 583 | "</a>"; |
| 584 | } |
| 585 | |
| 586 | |
| 587 | // ES6 draft, revision 26 (2014-07-18), section B.2.3.3 |
| 588 | function StringBig() { |
| 589 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.big"); |
| 590 | return "<big>" + TO_STRING(this) + "</big>"; |
| 591 | } |
| 592 | |
| 593 | |
| 594 | // ES6 draft, revision 26 (2014-07-18), section B.2.3.4 |
| 595 | function StringBlink() { |
| 596 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.blink"); |
| 597 | return "<blink>" + TO_STRING(this) + "</blink>"; |
| 598 | } |
| 599 | |
| 600 | |
| 601 | // ES6 draft, revision 26 (2014-07-18), section B.2.3.5 |
| 602 | function StringBold() { |
| 603 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.bold"); |
| 604 | return "<b>" + TO_STRING(this) + "</b>"; |
| 605 | } |
| 606 | |
| 607 | |
| 608 | // ES6 draft, revision 26 (2014-07-18), section B.2.3.6 |
| 609 | function StringFixed() { |
| 610 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.fixed"); |
| 611 | return "<tt>" + TO_STRING(this) + "</tt>"; |
| 612 | } |
| 613 | |
| 614 | |
| 615 | // ES6 draft, revision 26 (2014-07-18), section B.2.3.7 |
| 616 | function StringFontcolor(color) { |
| 617 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.fontcolor"); |
| 618 | return "<font color=\"" + HtmlEscape(color) + "\">" + TO_STRING(this) + |
| 619 | "</font>"; |
| 620 | } |
| 621 | |
| 622 | |
| 623 | // ES6 draft, revision 26 (2014-07-18), section B.2.3.8 |
| 624 | function StringFontsize(size) { |
| 625 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.fontsize"); |
| 626 | return "<font size=\"" + HtmlEscape(size) + "\">" + TO_STRING(this) + |
| 627 | "</font>"; |
| 628 | } |
| 629 | |
| 630 | |
| 631 | // ES6 draft, revision 26 (2014-07-18), section B.2.3.9 |
| 632 | function StringItalics() { |
| 633 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.italics"); |
| 634 | return "<i>" + TO_STRING(this) + "</i>"; |
| 635 | } |
| 636 | |
| 637 | |
| 638 | // ES6 draft, revision 26 (2014-07-18), section B.2.3.10 |
| 639 | function StringLink(s) { |
| 640 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.link"); |
| 641 | return "<a href=\"" + HtmlEscape(s) + "\">" + TO_STRING(this) + "</a>"; |
| 642 | } |
| 643 | |
| 644 | |
| 645 | // ES6 draft, revision 26 (2014-07-18), section B.2.3.11 |
| 646 | function StringSmall() { |
| 647 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.small"); |
| 648 | return "<small>" + TO_STRING(this) + "</small>"; |
| 649 | } |
| 650 | |
| 651 | |
| 652 | // ES6 draft, revision 26 (2014-07-18), section B.2.3.12 |
| 653 | function StringStrike() { |
| 654 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.strike"); |
| 655 | return "<strike>" + TO_STRING(this) + "</strike>"; |
| 656 | } |
| 657 | |
| 658 | |
| 659 | // ES6 draft, revision 26 (2014-07-18), section B.2.3.13 |
| 660 | function StringSub() { |
| 661 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.sub"); |
| 662 | return "<sub>" + TO_STRING(this) + "</sub>"; |
| 663 | } |
| 664 | |
| 665 | |
| 666 | // ES6 draft, revision 26 (2014-07-18), section B.2.3.14 |
| 667 | function StringSup() { |
| 668 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.sup"); |
| 669 | return "<sup>" + TO_STRING(this) + "</sup>"; |
| 670 | } |
| 671 | |
| 672 | // ES6, section 21.1.3.13 |
| 673 | function StringRepeat(count) { |
| 674 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.repeat"); |
| 675 | |
| 676 | var s = TO_STRING(this); |
| 677 | var n = TO_INTEGER(count); |
| 678 | |
| 679 | if (n < 0 || n === INFINITY) throw MakeRangeError(kInvalidCountValue); |
| 680 | |
| 681 | // Early return to allow an arbitrarily-large repeat of the empty string. |
| 682 | if (s.length === 0) return ""; |
| 683 | |
| 684 | // The maximum string length is stored in a smi, so a longer repeat |
| 685 | // must result in a range error. |
| 686 | if (n > %_MaxSmi()) throw MakeRangeError(kInvalidCountValue); |
| 687 | |
| 688 | var r = ""; |
| 689 | while (true) { |
| 690 | if (n & 1) r += s; |
| 691 | n >>= 1; |
| 692 | if (n === 0) return r; |
| 693 | s += s; |
| 694 | } |
| 695 | } |
| 696 | |
| 697 | |
| 698 | // ES6 draft 04-05-14, section 21.1.3.18 |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 699 | function StringStartsWith(searchString, position) { // length == 1 |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 700 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.startsWith"); |
| 701 | |
| 702 | var s = TO_STRING(this); |
| 703 | |
| 704 | if (IS_REGEXP(searchString)) { |
| 705 | throw MakeTypeError(kFirstArgumentNotRegExp, "String.prototype.startsWith"); |
| 706 | } |
| 707 | |
| 708 | var ss = TO_STRING(searchString); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 709 | var pos = TO_INTEGER(position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 710 | |
| 711 | var s_len = s.length; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 712 | var start = MinSimple(MaxSimple(pos, 0), s_len); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 713 | var ss_len = ss.length; |
| 714 | if (ss_len + start > s_len) { |
| 715 | return false; |
| 716 | } |
| 717 | |
| 718 | return %_SubString(s, start, start + ss_len) === ss; |
| 719 | } |
| 720 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 721 | %FunctionSetLength(StringStartsWith, 1); |
| 722 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 723 | |
| 724 | // ES6 draft 04-05-14, section 21.1.3.7 |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 725 | function StringEndsWith(searchString, position) { // length == 1 |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 726 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.endsWith"); |
| 727 | |
| 728 | var s = TO_STRING(this); |
| 729 | |
| 730 | if (IS_REGEXP(searchString)) { |
| 731 | throw MakeTypeError(kFirstArgumentNotRegExp, "String.prototype.endsWith"); |
| 732 | } |
| 733 | |
| 734 | var ss = TO_STRING(searchString); |
| 735 | var s_len = s.length; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 736 | var pos = !IS_UNDEFINED(position) ? TO_INTEGER(position) : s_len |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 737 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 738 | var end = MinSimple(MaxSimple(pos, 0), s_len); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 739 | var ss_len = ss.length; |
| 740 | var start = end - ss_len; |
| 741 | if (start < 0) { |
| 742 | return false; |
| 743 | } |
| 744 | |
| 745 | return %_SubString(s, start, start + ss_len) === ss; |
| 746 | } |
| 747 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 748 | %FunctionSetLength(StringEndsWith, 1); |
| 749 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 750 | |
| 751 | // ES6 draft 04-05-14, section 21.1.3.6 |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 752 | function StringIncludes(searchString, position) { // length == 1 |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 753 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.includes"); |
| 754 | |
| 755 | var string = TO_STRING(this); |
| 756 | |
| 757 | if (IS_REGEXP(searchString)) { |
| 758 | throw MakeTypeError(kFirstArgumentNotRegExp, "String.prototype.includes"); |
| 759 | } |
| 760 | |
| 761 | searchString = TO_STRING(searchString); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 762 | var pos = TO_INTEGER(position); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 763 | |
| 764 | var stringLength = string.length; |
| 765 | if (pos < 0) pos = 0; |
| 766 | if (pos > stringLength) pos = stringLength; |
| 767 | var searchStringLength = searchString.length; |
| 768 | |
| 769 | if (searchStringLength + pos > stringLength) { |
| 770 | return false; |
| 771 | } |
| 772 | |
| 773 | return %StringIndexOf(string, searchString, pos) !== -1; |
| 774 | } |
| 775 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 776 | %FunctionSetLength(StringIncludes, 1); |
| 777 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 778 | |
| 779 | // ES6 Draft 05-22-2014, section 21.1.3.3 |
| 780 | function StringCodePointAt(pos) { |
| 781 | CHECK_OBJECT_COERCIBLE(this, "String.prototype.codePointAt"); |
| 782 | |
| 783 | var string = TO_STRING(this); |
| 784 | var size = string.length; |
| 785 | pos = TO_INTEGER(pos); |
| 786 | if (pos < 0 || pos >= size) { |
| 787 | return UNDEFINED; |
| 788 | } |
| 789 | var first = %_StringCharCodeAt(string, pos); |
| 790 | if (first < 0xD800 || first > 0xDBFF || pos + 1 == size) { |
| 791 | return first; |
| 792 | } |
| 793 | var second = %_StringCharCodeAt(string, pos + 1); |
| 794 | if (second < 0xDC00 || second > 0xDFFF) { |
| 795 | return first; |
| 796 | } |
| 797 | return (first - 0xD800) * 0x400 + second + 0x2400; |
| 798 | } |
| 799 | |
| 800 | |
| 801 | // ES6 Draft 05-22-2014, section 21.1.2.2 |
| 802 | function StringFromCodePoint(_) { // length = 1 |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 803 | "use strict"; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 804 | var code; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 805 | var length = arguments.length; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 806 | var index; |
| 807 | var result = ""; |
| 808 | for (index = 0; index < length; index++) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 809 | code = arguments[index]; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 810 | if (!%_IsSmi(code)) { |
| 811 | code = TO_NUMBER(code); |
| 812 | } |
| 813 | if (code < 0 || code > 0x10FFFF || code !== TO_INTEGER(code)) { |
| 814 | throw MakeRangeError(kInvalidCodePoint, code); |
| 815 | } |
| 816 | if (code <= 0xFFFF) { |
| 817 | result += %_StringCharFromCode(code); |
| 818 | } else { |
| 819 | code -= 0x10000; |
| 820 | result += %_StringCharFromCode((code >>> 10) & 0x3FF | 0xD800); |
| 821 | result += %_StringCharFromCode(code & 0x3FF | 0xDC00); |
| 822 | } |
| 823 | } |
| 824 | return result; |
| 825 | } |
| 826 | |
| 827 | |
| 828 | // ------------------------------------------------------------------- |
| 829 | // String methods related to templates |
| 830 | |
| 831 | // ES6 Draft 03-17-2015, section 21.1.2.4 |
| 832 | function StringRaw(callSite) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 833 | "use strict"; |
| 834 | var numberOfSubstitutions = arguments.length; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 835 | var cooked = TO_OBJECT(callSite); |
| 836 | var raw = TO_OBJECT(cooked.raw); |
| 837 | var literalSegments = TO_LENGTH(raw.length); |
| 838 | if (literalSegments <= 0) return ""; |
| 839 | |
| 840 | var result = TO_STRING(raw[0]); |
| 841 | |
| 842 | for (var i = 1; i < literalSegments; ++i) { |
| 843 | if (i < numberOfSubstitutions) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 844 | result += TO_STRING(arguments[i]); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 845 | } |
| 846 | result += TO_STRING(raw[i]); |
| 847 | } |
| 848 | |
| 849 | return result; |
| 850 | } |
| 851 | |
| 852 | // ------------------------------------------------------------------- |
| 853 | |
| 854 | // Set the String function and constructor. |
| 855 | %FunctionSetPrototype(GlobalString, new GlobalString()); |
| 856 | |
| 857 | // Set up the constructor property on the String prototype object. |
| 858 | %AddNamedProperty( |
| 859 | GlobalString.prototype, "constructor", GlobalString, DONT_ENUM); |
| 860 | |
| 861 | // Set up the non-enumerable functions on the String object. |
| 862 | utils.InstallFunctions(GlobalString, DONT_ENUM, [ |
| 863 | "fromCharCode", StringFromCharCode, |
| 864 | "fromCodePoint", StringFromCodePoint, |
| 865 | "raw", StringRaw |
| 866 | ]); |
| 867 | |
| 868 | // Set up the non-enumerable functions on the String prototype object. |
| 869 | utils.InstallFunctions(GlobalString.prototype, DONT_ENUM, [ |
| 870 | "valueOf", StringValueOf, |
| 871 | "toString", StringToString, |
| 872 | "charAt", StringCharAtJS, |
| 873 | "charCodeAt", StringCharCodeAtJS, |
| 874 | "codePointAt", StringCodePointAt, |
| 875 | "concat", StringConcat, |
| 876 | "endsWith", StringEndsWith, |
| 877 | "includes", StringIncludes, |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 878 | "indexOf", StringIndexOf, |
| 879 | "lastIndexOf", StringLastIndexOf, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 880 | "localeCompare", StringLocaleCompareJS, |
| 881 | "match", StringMatchJS, |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 882 | "normalize", StringNormalize, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 883 | "repeat", StringRepeat, |
| 884 | "replace", StringReplace, |
| 885 | "search", StringSearch, |
| 886 | "slice", StringSlice, |
| 887 | "split", StringSplitJS, |
| 888 | "substring", StringSubstring, |
| 889 | "substr", StringSubstr, |
| 890 | "startsWith", StringStartsWith, |
| 891 | "toLowerCase", StringToLowerCaseJS, |
| 892 | "toLocaleLowerCase", StringToLocaleLowerCase, |
| 893 | "toUpperCase", StringToUpperCaseJS, |
| 894 | "toLocaleUpperCase", StringToLocaleUpperCase, |
| 895 | "trim", StringTrimJS, |
| 896 | "trimLeft", StringTrimLeft, |
| 897 | "trimRight", StringTrimRight, |
| 898 | |
| 899 | "link", StringLink, |
| 900 | "anchor", StringAnchor, |
| 901 | "fontcolor", StringFontcolor, |
| 902 | "fontsize", StringFontsize, |
| 903 | "big", StringBig, |
| 904 | "blink", StringBlink, |
| 905 | "bold", StringBold, |
| 906 | "fixed", StringFixed, |
| 907 | "italics", StringItalics, |
| 908 | "small", StringSmall, |
| 909 | "strike", StringStrike, |
| 910 | "sub", StringSub, |
| 911 | "sup", StringSup |
| 912 | ]); |
| 913 | |
| 914 | // ------------------------------------------------------------------- |
| 915 | // Exports |
| 916 | |
| 917 | utils.Export(function(to) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 918 | to.ExpandReplacement = ExpandReplacement; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 919 | to.StringCharAt = StringCharAtJS; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 920 | to.StringIndexOf = StringIndexOf; |
| 921 | to.StringLastIndexOf = StringLastIndexOf; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 922 | to.StringMatch = StringMatchJS; |
| 923 | to.StringReplace = StringReplace; |
| 924 | to.StringSlice = StringSlice; |
| 925 | to.StringSplit = StringSplitJS; |
| 926 | to.StringSubstr = StringSubstr; |
| 927 | to.StringSubstring = StringSubstring; |
| 928 | }); |
| 929 | |
| 930 | }) |