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| 1 // Copyright 2014 PDFium 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 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
| 6 | |
| 7 #include "xfa/src/fxfa/fm2js/xfa_fmparse.h" | |
| 8 | |
| 9 #include <memory> | |
| 10 | |
| 11 CXFA_FMParse::CXFA_FMParse() : m_pToken(nullptr), m_pErrorInfo(0) {} | |
| 12 | |
| 13 int32_t CXFA_FMParse::Init(const CFX_WideStringC& wsFormcalc, | |
| 14 CXFA_FMErrorInfo* pErrorInfo) { | |
| 15 m_pErrorInfo = pErrorInfo; | |
| 16 m_lexer.reset(new CXFA_FMLexer(wsFormcalc, m_pErrorInfo)); | |
| 17 return 0; | |
| 18 } | |
| 19 | |
| 20 void CXFA_FMParse::NextToken() { | |
| 21 m_pToken = m_lexer->NextToken(); | |
| 22 while (m_pToken->m_type == TOKreserver) { | |
| 23 if (m_lexer->HasError()) { | |
| 24 break; | |
| 25 } | |
| 26 m_pToken = m_lexer->NextToken(); | |
| 27 } | |
| 28 } | |
| 29 | |
| 30 void CXFA_FMParse::Check(XFA_FM_TOKEN op) { | |
| 31 if (m_pToken->m_type != op) { | |
| 32 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 33 Error(m_pToken->m_uLinenum, FMERR_EXPECTED_TOKEN, | |
| 34 XFA_FM_KeywordToString(op), ws_TempString.c_str()); | |
| 35 } | |
| 36 NextToken(); | |
| 37 } | |
| 38 | |
| 39 void CXFA_FMParse::Error(FX_DWORD lineNum, XFA_FM_ERRMSG msg, ...) { | |
| 40 m_pErrorInfo->linenum = lineNum; | |
| 41 const FX_WCHAR* lpMessageInfo = XFA_FM_ErrorMsg(msg); | |
| 42 va_list ap; | |
| 43 va_start(ap, msg); | |
| 44 m_pErrorInfo->message.FormatV(lpMessageInfo, ap); | |
| 45 va_end(ap); | |
| 46 } | |
| 47 | |
| 48 CFX_PtrArray* CXFA_FMParse::ParseTopExpression() { | |
| 49 std::unique_ptr<CXFA_FMExpression> e; | |
| 50 CFX_PtrArray* expression = new CFX_PtrArray(); | |
| 51 while (1) { | |
| 52 if (m_pToken->m_type == TOKeof || m_pToken->m_type == TOKendfunc || | |
| 53 m_pToken->m_type == TOKendif || m_pToken->m_type == TOKelseif || | |
| 54 m_pToken->m_type == TOKelse || m_pToken->m_type == TOKreserver) { | |
| 55 return expression; | |
| 56 } | |
| 57 | |
| 58 if (m_pToken->m_type == TOKfunc) { | |
| 59 e.reset(ParseFunction()); | |
| 60 if (e) { | |
| 61 expression->Add(e.release()); | |
| 62 } else { | |
| 63 break; | |
| 64 } | |
| 65 } else { | |
| 66 e.reset(ParseExpression()); | |
| 67 if (e) { | |
| 68 expression->Add(e.release()); | |
| 69 } else { | |
| 70 break; | |
| 71 } | |
| 72 } | |
| 73 } | |
| 74 return expression; | |
| 75 } | |
| 76 | |
| 77 CXFA_FMExpression* CXFA_FMParse::ParseFunction() { | |
| 78 std::unique_ptr<CXFA_FMExpression> e; | |
| 79 CFX_WideStringC ident; | |
| 80 std::unique_ptr<CFX_WideStringCArray> pArguments; | |
| 81 std::unique_ptr<CFX_PtrArray> pExpressions; | |
| 82 FX_DWORD line = m_pToken->m_uLinenum; | |
| 83 NextToken(); | |
| 84 if (m_pToken->m_type != TOKidentifier) { | |
| 85 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 86 Error(m_pToken->m_uLinenum, FMERR_EXPECTED_IDENTIFIER, | |
| 87 ws_TempString.c_str()); | |
| 88 } else { | |
| 89 ident = m_pToken->m_wstring; | |
| 90 NextToken(); | |
| 91 } | |
| 92 Check(TOKlparen); | |
| 93 if (m_pToken->m_type == TOKrparen) { | |
| 94 NextToken(); | |
| 95 } else { | |
| 96 pArguments.reset(new CFX_WideStringCArray()); | |
| 97 CFX_WideStringC p; | |
| 98 while (1) { | |
| 99 if (m_pToken->m_type == TOKidentifier) { | |
| 100 p = m_pToken->m_wstring; | |
| 101 pArguments->Add(p); | |
| 102 NextToken(); | |
| 103 if (m_pToken->m_type == TOKcomma) { | |
| 104 NextToken(); | |
| 105 continue; | |
| 106 } else if (m_pToken->m_type == TOKrparen) { | |
| 107 NextToken(); | |
| 108 break; | |
| 109 } else { | |
| 110 Check(TOKrparen); | |
| 111 break; | |
| 112 } | |
| 113 } else { | |
| 114 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 115 Error(m_pToken->m_uLinenum, FMERR_EXPECTED_IDENTIFIER, | |
| 116 ws_TempString.c_str()); | |
| 117 NextToken(); | |
| 118 break; | |
| 119 } | |
| 120 } | |
| 121 } | |
| 122 Check(TOKdo); | |
| 123 if (m_pToken->m_type == TOKendfunc) { | |
| 124 NextToken(); | |
| 125 } else { | |
| 126 pExpressions.reset(ParseTopExpression()); | |
| 127 Check(TOKendfunc); | |
| 128 } | |
| 129 if (m_pErrorInfo->message.IsEmpty()) { | |
| 130 e.reset(new CXFA_FMFunctionDefinition(line, 0, ident, pArguments.release(), | |
| 131 pExpressions.release())); | |
| 132 } else { | |
| 133 if (pArguments) | |
| 134 pArguments->RemoveAll(); | |
| 135 if (pExpressions) { | |
| 136 for (int i = 0; i < pExpressions->GetSize(); ++i) | |
| 137 delete static_cast<CXFA_FMExpression*>(pExpressions->GetAt(i)); | |
| 138 } | |
| 139 } | |
| 140 return e.release(); | |
| 141 } | |
| 142 | |
| 143 CXFA_FMExpression* CXFA_FMParse::ParseExpression() { | |
| 144 std::unique_ptr<CXFA_FMExpression> e; | |
| 145 FX_DWORD line = m_pToken->m_uLinenum; | |
| 146 switch (m_pToken->m_type) { | |
| 147 case TOKvar: | |
| 148 e.reset(ParseVarExpression()); | |
| 149 break; | |
| 150 case TOKnull: | |
| 151 case TOKnumber: | |
| 152 case TOKstring: | |
| 153 case TOKplus: | |
| 154 case TOKminus: | |
| 155 case TOKksnot: | |
| 156 case TOKidentifier: | |
| 157 case TOKlparen: | |
| 158 e.reset(ParseExpExpression()); | |
| 159 break; | |
| 160 case TOKif: | |
| 161 e.reset(ParseIfExpression()); | |
| 162 break; | |
| 163 case TOKwhile: | |
| 164 e.reset(ParseWhileExpression()); | |
| 165 break; | |
| 166 case TOKfor: | |
| 167 e.reset(ParseForExpression()); | |
| 168 break; | |
| 169 case TOKforeach: | |
| 170 e.reset(ParseForeachExpression()); | |
| 171 break; | |
| 172 case TOKdo: | |
| 173 e.reset(ParseDoExpression()); | |
| 174 break; | |
| 175 case TOKbreak: | |
| 176 e.reset(new CXFA_FMBreakExpression(line)); | |
| 177 NextToken(); | |
| 178 break; | |
| 179 case TOKcontinue: | |
| 180 e.reset(new CXFA_FMContinueExpression(line)); | |
| 181 NextToken(); | |
| 182 break; | |
| 183 default: | |
| 184 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 185 Error(m_pToken->m_uLinenum, FMERR_UNEXPECTED_EXPRESSION, | |
| 186 ws_TempString.c_str()); | |
| 187 NextToken(); | |
| 188 break; | |
| 189 } | |
| 190 return e.release(); | |
| 191 } | |
| 192 | |
| 193 CXFA_FMExpression* CXFA_FMParse::ParseVarExpression() { | |
| 194 std::unique_ptr<CXFA_FMExpression> e; | |
| 195 CFX_WideStringC ident; | |
| 196 FX_DWORD line = m_pToken->m_uLinenum; | |
| 197 NextToken(); | |
| 198 if (m_pToken->m_type != TOKidentifier) { | |
| 199 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 200 Error(m_pToken->m_uLinenum, FMERR_EXPECTED_IDENTIFIER, | |
| 201 ws_TempString.c_str()); | |
| 202 } else { | |
| 203 ident = m_pToken->m_wstring; | |
| 204 NextToken(); | |
| 205 } | |
| 206 if (m_pToken->m_type == TOKassign) { | |
| 207 NextToken(); | |
| 208 e.reset(ParseExpExpression()); | |
| 209 } | |
| 210 if (m_pErrorInfo->message.IsEmpty()) { | |
| 211 e.reset(new CXFA_FMVarExpression(line, ident, e.release())); | |
| 212 } else { | |
| 213 e.reset(); | |
| 214 } | |
| 215 return e.release(); | |
| 216 } | |
| 217 | |
| 218 CXFA_FMSimpleExpression* CXFA_FMParse::ParseSimpleExpression() { | |
| 219 FX_DWORD line = m_pToken->m_uLinenum; | |
| 220 std::unique_ptr<CXFA_FMSimpleExpression> pExp1(ParseLogicalOrExpression()); | |
| 221 while (m_pToken->m_type == TOKassign) { | |
| 222 NextToken(); | |
| 223 std::unique_ptr<CXFA_FMSimpleExpression> pExp2(ParseLogicalOrExpression()); | |
| 224 if (m_pErrorInfo->message.IsEmpty()) { | |
| 225 pExp1.reset(new CXFA_FMAssignExpression(line, TOKassign, pExp1.release(), | |
| 226 pExp2.release())); | |
| 227 } else { | |
| 228 pExp1.reset(); | |
| 229 } | |
| 230 } | |
| 231 return pExp1.release(); | |
| 232 } | |
| 233 | |
| 234 CXFA_FMExpression* CXFA_FMParse::ParseExpExpression() { | |
| 235 FX_DWORD line = m_pToken->m_uLinenum; | |
| 236 std::unique_ptr<CXFA_FMSimpleExpression> pExp1(ParseSimpleExpression()); | |
| 237 std::unique_ptr<CXFA_FMExpression> e; | |
| 238 if (m_pErrorInfo->message.IsEmpty()) { | |
| 239 e.reset(new CXFA_FMExpExpression(line, pExp1.release())); | |
| 240 } else { | |
| 241 e.reset(); | |
| 242 } | |
| 243 return e.release(); | |
| 244 } | |
| 245 | |
| 246 CXFA_FMSimpleExpression* CXFA_FMParse::ParseLogicalOrExpression() { | |
| 247 FX_DWORD line = m_pToken->m_uLinenum; | |
| 248 std::unique_ptr<CXFA_FMSimpleExpression> e1(ParseLogicalAndExpression()); | |
| 249 for (;;) { | |
| 250 switch (m_pToken->m_type) { | |
| 251 case TOKor: | |
| 252 case TOKksor: { | |
| 253 NextToken(); | |
| 254 std::unique_ptr<CXFA_FMSimpleExpression> e2( | |
| 255 ParseLogicalAndExpression()); | |
| 256 if (m_pErrorInfo->message.IsEmpty()) { | |
| 257 e1.reset(new CXFA_FMLogicalOrExpression(line, TOKor, e1.release(), | |
| 258 e2.release())); | |
| 259 } else { | |
| 260 e1.reset(); | |
| 261 } | |
| 262 continue; | |
| 263 } | |
| 264 default: | |
| 265 break; | |
| 266 } | |
| 267 break; | |
| 268 } | |
| 269 return e1.release(); | |
| 270 } | |
| 271 | |
| 272 CXFA_FMSimpleExpression* CXFA_FMParse::ParseLogicalAndExpression() { | |
| 273 FX_DWORD line = m_pToken->m_uLinenum; | |
| 274 std::unique_ptr<CXFA_FMSimpleExpression> e1(ParseEqualityExpression()); | |
| 275 for (;;) { | |
| 276 switch (m_pToken->m_type) { | |
| 277 case TOKand: | |
| 278 case TOKksand: { | |
| 279 NextToken(); | |
| 280 std::unique_ptr<CXFA_FMSimpleExpression> e2(ParseEqualityExpression()); | |
| 281 if (m_pErrorInfo->message.IsEmpty()) { | |
| 282 e1.reset(new CXFA_FMLogicalAndExpression(line, TOKand, e1.release(), | |
| 283 e2.release())); | |
| 284 } else { | |
| 285 e1.reset(); | |
| 286 } | |
| 287 continue; | |
| 288 } | |
| 289 default: | |
| 290 break; | |
| 291 } | |
| 292 break; | |
| 293 } | |
| 294 return e1.release(); | |
| 295 } | |
| 296 | |
| 297 CXFA_FMSimpleExpression* CXFA_FMParse::ParseEqualityExpression() { | |
| 298 FX_DWORD line = m_pToken->m_uLinenum; | |
| 299 std::unique_ptr<CXFA_FMSimpleExpression> e1(ParseRelationalExpression()); | |
| 300 for (;;) { | |
| 301 std::unique_ptr<CXFA_FMSimpleExpression> e2; | |
| 302 switch (m_pToken->m_type) { | |
| 303 case TOKeq: | |
| 304 case TOKkseq: | |
| 305 NextToken(); | |
| 306 e2.reset(ParseRelationalExpression()); | |
| 307 if (m_pErrorInfo->message.IsEmpty()) { | |
| 308 e1.reset(new CXFA_FMEqualityExpression(line, TOKeq, e1.release(), | |
| 309 e2.release())); | |
| 310 } else { | |
| 311 e1.reset(); | |
| 312 } | |
| 313 continue; | |
| 314 case TOKne: | |
| 315 case TOKksne: | |
| 316 NextToken(); | |
| 317 e2.reset(ParseRelationalExpression()); | |
| 318 if (m_pErrorInfo->message.IsEmpty()) { | |
| 319 e1.reset(new CXFA_FMEqualityExpression(line, TOKne, e1.release(), | |
| 320 e2.release())); | |
| 321 } else { | |
| 322 e1.reset(); | |
| 323 } | |
| 324 continue; | |
| 325 default: | |
| 326 break; | |
| 327 } | |
| 328 break; | |
| 329 } | |
| 330 return e1.release(); | |
| 331 } | |
| 332 | |
| 333 CXFA_FMSimpleExpression* CXFA_FMParse::ParseRelationalExpression() { | |
| 334 FX_DWORD line = m_pToken->m_uLinenum; | |
| 335 std::unique_ptr<CXFA_FMSimpleExpression> e1(ParseAddtiveExpression()); | |
| 336 for (;;) { | |
| 337 std::unique_ptr<CXFA_FMSimpleExpression> e2; | |
| 338 switch (m_pToken->m_type) { | |
| 339 case TOKlt: | |
| 340 case TOKkslt: | |
| 341 NextToken(); | |
| 342 e2.reset(ParseAddtiveExpression()); | |
| 343 if (m_pErrorInfo->message.IsEmpty()) { | |
| 344 e1.reset(new CXFA_FMRelationalExpression(line, TOKlt, e1.release(), | |
| 345 e2.release())); | |
| 346 } else { | |
| 347 e1.reset(); | |
| 348 } | |
| 349 continue; | |
| 350 case TOKgt: | |
| 351 case TOKksgt: | |
| 352 NextToken(); | |
| 353 e2.reset(ParseAddtiveExpression()); | |
| 354 if (m_pErrorInfo->message.IsEmpty()) { | |
| 355 e1.reset(new CXFA_FMRelationalExpression(line, TOKgt, e1.release(), | |
| 356 e2.release())); | |
| 357 } else { | |
| 358 e1.reset(); | |
| 359 } | |
| 360 continue; | |
| 361 case TOKle: | |
| 362 case TOKksle: | |
| 363 NextToken(); | |
| 364 e2.reset(ParseAddtiveExpression()); | |
| 365 if (m_pErrorInfo->message.IsEmpty()) { | |
| 366 e1.reset(new CXFA_FMRelationalExpression(line, TOKle, e1.release(), | |
| 367 e2.release())); | |
| 368 } else { | |
| 369 e1.reset(); | |
| 370 } | |
| 371 continue; | |
| 372 case TOKge: | |
| 373 case TOKksge: | |
| 374 NextToken(); | |
| 375 e2.reset(ParseAddtiveExpression()); | |
| 376 if (m_pErrorInfo->message.IsEmpty()) { | |
| 377 e1.reset(new CXFA_FMRelationalExpression(line, TOKge, e1.release(), | |
| 378 e2.release())); | |
| 379 } else { | |
| 380 e1.reset(); | |
| 381 } | |
| 382 continue; | |
| 383 default: | |
| 384 break; | |
| 385 } | |
| 386 break; | |
| 387 } | |
| 388 return e1.release(); | |
| 389 } | |
| 390 | |
| 391 CXFA_FMSimpleExpression* CXFA_FMParse::ParseAddtiveExpression() { | |
| 392 FX_DWORD line = m_pToken->m_uLinenum; | |
| 393 std::unique_ptr<CXFA_FMSimpleExpression> e1(ParseMultiplicativeExpression()); | |
| 394 for (;;) { | |
| 395 std::unique_ptr<CXFA_FMSimpleExpression> e2; | |
| 396 switch (m_pToken->m_type) { | |
| 397 case TOKplus: | |
| 398 NextToken(); | |
| 399 e2.reset(ParseMultiplicativeExpression()); | |
| 400 if (m_pErrorInfo->message.IsEmpty()) { | |
| 401 e1.reset(new CXFA_FMAdditiveExpression(line, TOKplus, e1.release(), | |
| 402 e2.release())); | |
| 403 } else { | |
| 404 e1.reset(); | |
| 405 } | |
| 406 continue; | |
| 407 case TOKminus: | |
| 408 NextToken(); | |
| 409 e2.reset(ParseMultiplicativeExpression()); | |
| 410 if (m_pErrorInfo->message.IsEmpty()) { | |
| 411 e1.reset(new CXFA_FMAdditiveExpression(line, TOKminus, e1.release(), | |
| 412 e2.release())); | |
| 413 } else { | |
| 414 e1.reset(); | |
| 415 } | |
| 416 continue; | |
| 417 default: | |
| 418 break; | |
| 419 } | |
| 420 break; | |
| 421 } | |
| 422 return e1.release(); | |
| 423 } | |
| 424 | |
| 425 CXFA_FMSimpleExpression* CXFA_FMParse::ParseMultiplicativeExpression() { | |
| 426 FX_DWORD line = m_pToken->m_uLinenum; | |
| 427 std::unique_ptr<CXFA_FMSimpleExpression> e1(ParseUnaryExpression()); | |
| 428 for (;;) { | |
| 429 std::unique_ptr<CXFA_FMSimpleExpression> e2; | |
| 430 switch (m_pToken->m_type) { | |
| 431 case TOKmul: | |
| 432 NextToken(); | |
| 433 e2.reset(ParseUnaryExpression()); | |
| 434 if (m_pErrorInfo->message.IsEmpty()) { | |
| 435 e1.reset(new CXFA_FMMultiplicativeExpression( | |
| 436 line, TOKmul, e1.release(), e2.release())); | |
| 437 } else { | |
| 438 e1.reset(); | |
| 439 } | |
| 440 continue; | |
| 441 case TOKdiv: | |
| 442 NextToken(); | |
| 443 e2.reset(ParseUnaryExpression()); | |
| 444 if (m_pErrorInfo->message.IsEmpty()) { | |
| 445 e1.reset(new CXFA_FMMultiplicativeExpression( | |
| 446 line, TOKdiv, e1.release(), e2.release())); | |
| 447 } else { | |
| 448 e1.reset(); | |
| 449 } | |
| 450 continue; | |
| 451 default: | |
| 452 break; | |
| 453 } | |
| 454 break; | |
| 455 } | |
| 456 return e1.release(); | |
| 457 } | |
| 458 | |
| 459 CXFA_FMSimpleExpression* CXFA_FMParse::ParseUnaryExpression() { | |
| 460 std::unique_ptr<CXFA_FMSimpleExpression> e; | |
| 461 FX_DWORD line = m_pToken->m_uLinenum; | |
| 462 switch (m_pToken->m_type) { | |
| 463 case TOKplus: | |
| 464 NextToken(); | |
| 465 e.reset(ParseUnaryExpression()); | |
| 466 if (m_pErrorInfo->message.IsEmpty()) { | |
| 467 e.reset(new CXFA_FMPosExpression(line, e.release())); | |
| 468 } else { | |
| 469 e.reset(); | |
| 470 } | |
| 471 break; | |
| 472 case TOKminus: | |
| 473 NextToken(); | |
| 474 e.reset(ParseUnaryExpression()); | |
| 475 if (m_pErrorInfo->message.IsEmpty()) { | |
| 476 e.reset(new CXFA_FMNegExpression(line, e.release())); | |
| 477 } else { | |
| 478 e.reset(); | |
| 479 } | |
| 480 break; | |
| 481 case TOKksnot: | |
| 482 NextToken(); | |
| 483 e.reset(ParseUnaryExpression()); | |
| 484 if (m_pErrorInfo->message.IsEmpty()) { | |
| 485 e.reset(new CXFA_FMNotExpression(line, e.release())); | |
| 486 } else { | |
| 487 e.reset(); | |
| 488 } | |
| 489 break; | |
| 490 default: | |
| 491 e.reset(ParsePrimaryExpression()); | |
| 492 break; | |
| 493 } | |
| 494 return e.release(); | |
| 495 } | |
| 496 | |
| 497 CXFA_FMSimpleExpression* CXFA_FMParse::ParsePrimaryExpression() { | |
| 498 std::unique_ptr<CXFA_FMSimpleExpression> e; | |
| 499 FX_DWORD line = m_pToken->m_uLinenum; | |
| 500 switch (m_pToken->m_type) { | |
| 501 case TOKnumber: | |
| 502 e.reset(new CXFA_FMNumberExpression(line, m_pToken->m_wstring)); | |
| 503 NextToken(); | |
| 504 break; | |
| 505 case TOKstring: | |
| 506 e.reset(new CXFA_FMStringExpression(line, m_pToken->m_wstring)); | |
| 507 NextToken(); | |
| 508 break; | |
| 509 case TOKidentifier: { | |
| 510 CFX_WideStringC wsIdentifier(m_pToken->m_wstring); | |
| 511 NextToken(); | |
| 512 if (m_pToken->m_type == TOKlbracket) { | |
| 513 CXFA_FMSimpleExpression* s = ParseIndexExpression(); | |
| 514 if (s) { | |
| 515 e.reset(new CXFA_FMDotAccessorExpression(line, NULL, TOKdot, | |
| 516 wsIdentifier, s)); | |
| 517 } | |
| 518 NextToken(); | |
| 519 } else { | |
| 520 e.reset(new CXFA_FMIdentifierExpressionn(line, wsIdentifier)); | |
| 521 } | |
| 522 } break; | |
| 523 case TOKif: | |
| 524 e.reset(new CXFA_FMIdentifierExpressionn(line, m_pToken->m_wstring)); | |
| 525 NextToken(); | |
| 526 break; | |
| 527 case TOKnull: | |
| 528 e.reset(new CXFA_FMNullExpression(line)); | |
| 529 NextToken(); | |
| 530 break; | |
| 531 case TOKlparen: | |
| 532 e.reset(ParseParenExpression()); | |
| 533 break; | |
| 534 default: | |
| 535 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 536 Error(m_pToken->m_uLinenum, FMERR_UNEXPECTED_EXPRESSION, | |
| 537 ws_TempString.c_str()); | |
| 538 NextToken(); | |
| 539 break; | |
| 540 } | |
| 541 e.reset(ParsePostExpression(e.release())); | |
| 542 if (!(m_pErrorInfo->message.IsEmpty())) | |
| 543 e.reset(); | |
| 544 return e.release(); | |
| 545 } | |
| 546 | |
| 547 CXFA_FMSimpleExpression* CXFA_FMParse::ParsePostExpression( | |
| 548 CXFA_FMSimpleExpression* e) { | |
| 549 FX_DWORD line = m_pToken->m_uLinenum; | |
| 550 while (1) { | |
| 551 switch (m_pToken->m_type) { | |
| 552 case TOKlparen: { | |
| 553 NextToken(); | |
| 554 std::unique_ptr<CFX_PtrArray> pArray; | |
| 555 if (m_pToken->m_type != TOKrparen) { | |
| 556 pArray.reset(new CFX_PtrArray()); | |
| 557 while (m_pToken->m_type != TOKrparen) { | |
| 558 CXFA_FMSimpleExpression* e = ParseSimpleExpression(); | |
| 559 if (e) { | |
| 560 pArray->Add(e); | |
| 561 } | |
| 562 if (m_pToken->m_type == TOKcomma) { | |
| 563 NextToken(); | |
| 564 } else if (m_pToken->m_type == TOKeof || | |
| 565 m_pToken->m_type == TOKreserver) { | |
| 566 break; | |
| 567 } | |
| 568 } | |
| 569 if (m_pToken->m_type != TOKrparen) { | |
| 570 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 571 Error(m_pToken->m_uLinenum, FMERR_EXPECTED_TOKEN, | |
| 572 XFA_FM_KeywordToString(TOKrparen), ws_TempString.c_str()); | |
| 573 } | |
| 574 } | |
| 575 if (m_pErrorInfo->message.IsEmpty()) { | |
| 576 e = new CXFA_FMCallExpression(line, e, pArray.release(), FALSE); | |
| 577 NextToken(); | |
| 578 if (m_pToken->m_type != TOKlbracket) { | |
| 579 continue; | |
| 580 } | |
| 581 CXFA_FMSimpleExpression* s = ParseIndexExpression(); | |
| 582 if (s) { | |
| 583 e = new CXFA_FMDotAccessorExpression(line, e, TOKcall, | |
| 584 FX_WSTRC(L""), s); | |
| 585 } else { | |
| 586 delete e; | |
| 587 e = nullptr; | |
| 588 } | |
| 589 } else { | |
| 590 if (pArray) { | |
| 591 for (int32_t i = 0; i < pArray->GetSize(); ++i) | |
| 592 delete static_cast<CXFA_FMSimpleExpression*>(pArray->GetAt(i)); | |
| 593 } | |
| 594 delete e; | |
| 595 e = nullptr; | |
| 596 } | |
| 597 } break; | |
| 598 case TOKdot: | |
| 599 NextToken(); | |
| 600 if (m_pToken->m_type == TOKidentifier) { | |
| 601 CFX_WideStringC tempStr = m_pToken->m_wstring; | |
| 602 FX_DWORD tempLine = m_pToken->m_uLinenum; | |
| 603 NextToken(); | |
| 604 if (m_pToken->m_type == TOKlparen) { | |
| 605 CXFA_FMSimpleExpression* pExpAccessor; | |
| 606 CXFA_FMSimpleExpression* pExpCall; | |
| 607 pExpAccessor = e; | |
| 608 NextToken(); | |
| 609 std::unique_ptr<CFX_PtrArray> pArray; | |
| 610 if (m_pToken->m_type != TOKrparen) { | |
| 611 pArray.reset(new CFX_PtrArray()); | |
| 612 while (m_pToken->m_type != TOKrparen) { | |
| 613 CXFA_FMSimpleExpression* exp = ParseSimpleExpression(); | |
| 614 pArray->Add(exp); | |
| 615 if (m_pToken->m_type == TOKcomma) { | |
| 616 NextToken(); | |
| 617 } else if (m_pToken->m_type == TOKeof || | |
| 618 m_pToken->m_type == TOKreserver) { | |
| 619 break; | |
| 620 } | |
| 621 } | |
| 622 if (m_pToken->m_type != TOKrparen) { | |
| 623 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 624 Error(m_pToken->m_uLinenum, FMERR_EXPECTED_TOKEN, | |
| 625 XFA_FM_KeywordToString(TOKrparen), ws_TempString.c_str()); | |
| 626 } | |
| 627 } | |
| 628 if (m_pErrorInfo->message.IsEmpty()) { | |
| 629 CXFA_FMSimpleExpression* pIdentifier = | |
| 630 new CXFA_FMIdentifierExpressionn(tempLine, tempStr); | |
| 631 pExpCall = new CXFA_FMCallExpression(line, pIdentifier, | |
| 632 pArray.release(), TRUE); | |
| 633 e = new CXFA_FMMethodCallExpression(line, pExpAccessor, pExpCall); | |
| 634 NextToken(); | |
| 635 if (m_pToken->m_type != TOKlbracket) { | |
| 636 continue; | |
| 637 } | |
| 638 CXFA_FMSimpleExpression* s = ParseIndexExpression(); | |
| 639 if (s) { | |
| 640 e = new CXFA_FMDotAccessorExpression(line, e, TOKcall, | |
| 641 FX_WSTRC(L""), s); | |
| 642 } else { | |
| 643 delete e; | |
| 644 e = nullptr; | |
| 645 } | |
| 646 } else { | |
| 647 if (pArray) { | |
| 648 for (int32_t i = 0; i < pArray->GetSize(); ++i) { | |
| 649 delete static_cast<CXFA_FMSimpleExpression*>( | |
| 650 pArray->GetAt(i)); | |
| 651 } | |
| 652 } | |
| 653 delete e; | |
| 654 e = nullptr; | |
| 655 } | |
| 656 } else if (m_pToken->m_type == TOKlbracket) { | |
| 657 std::unique_ptr<CXFA_FMSimpleExpression> s(ParseIndexExpression()); | |
| 658 if (!(m_pErrorInfo->message.IsEmpty())) { | |
| 659 delete e; | |
| 660 return nullptr; | |
| 661 } | |
| 662 e = new CXFA_FMDotAccessorExpression(tempLine, e, TOKdot, tempStr, | |
| 663 s.release()); | |
| 664 } else { | |
| 665 CXFA_FMSimpleExpression* s = new CXFA_FMIndexExpression( | |
| 666 tempLine, ACCESSOR_NO_INDEX, NULL, FALSE); | |
| 667 e = new CXFA_FMDotAccessorExpression(line, e, TOKdot, tempStr, s); | |
| 668 continue; | |
| 669 } | |
| 670 } else { | |
| 671 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 672 Error(m_pToken->m_uLinenum, FMERR_EXPECTED_IDENTIFIER, | |
| 673 ws_TempString.c_str()); | |
| 674 return e; | |
| 675 } | |
| 676 break; | |
| 677 case TOKdotdot: | |
| 678 NextToken(); | |
| 679 if (m_pToken->m_type == TOKidentifier) { | |
| 680 CFX_WideStringC tempStr = m_pToken->m_wstring; | |
| 681 FX_DWORD tempLine = m_pToken->m_uLinenum; | |
| 682 NextToken(); | |
| 683 if (m_pToken->m_type == TOKlbracket) { | |
| 684 std::unique_ptr<CXFA_FMSimpleExpression> s(ParseIndexExpression()); | |
| 685 if (!(m_pErrorInfo->message.IsEmpty())) { | |
| 686 delete e; | |
| 687 return nullptr; | |
| 688 } | |
| 689 e = new CXFA_FMDotDotAccessorExpression(tempLine, e, TOKdotdot, | |
| 690 tempStr, s.release()); | |
| 691 } else { | |
| 692 CXFA_FMSimpleExpression* s = new CXFA_FMIndexExpression( | |
| 693 tempLine, ACCESSOR_NO_INDEX, NULL, FALSE); | |
| 694 e = new CXFA_FMDotDotAccessorExpression(line, e, TOKdotdot, tempStr, | |
| 695 s); | |
| 696 continue; | |
| 697 } | |
| 698 } else { | |
| 699 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 700 Error(m_pToken->m_uLinenum, FMERR_EXPECTED_IDENTIFIER, | |
| 701 ws_TempString.c_str()); | |
| 702 return e; | |
| 703 } | |
| 704 break; | |
| 705 case TOKdotscream: | |
| 706 NextToken(); | |
| 707 if (m_pToken->m_type == TOKidentifier) { | |
| 708 CFX_WideStringC tempStr = m_pToken->m_wstring; | |
| 709 FX_DWORD tempLine = m_pToken->m_uLinenum; | |
| 710 NextToken(); | |
| 711 if (m_pToken->m_type == TOKlbracket) { | |
| 712 std::unique_ptr<CXFA_FMSimpleExpression> s(ParseIndexExpression()); | |
| 713 if (!(m_pErrorInfo->message.IsEmpty())) { | |
| 714 delete e; | |
| 715 return nullptr; | |
| 716 } | |
| 717 e = new CXFA_FMDotAccessorExpression(tempLine, e, TOKdotscream, | |
| 718 tempStr, s.release()); | |
| 719 } else { | |
| 720 CXFA_FMSimpleExpression* s = new CXFA_FMIndexExpression( | |
| 721 tempLine, ACCESSOR_NO_INDEX, NULL, FALSE); | |
| 722 e = new CXFA_FMDotAccessorExpression(line, e, TOKdotscream, tempStr, | |
| 723 s); | |
| 724 continue; | |
| 725 } | |
| 726 } else { | |
| 727 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 728 Error(m_pToken->m_uLinenum, FMERR_EXPECTED_IDENTIFIER, | |
| 729 ws_TempString.c_str()); | |
| 730 return e; | |
| 731 } | |
| 732 break; | |
| 733 case TOKdotstar: { | |
| 734 CXFA_FMSimpleExpression* s = | |
| 735 new CXFA_FMIndexExpression(line, ACCESSOR_NO_INDEX, NULL, FALSE); | |
| 736 e = new CXFA_FMDotAccessorExpression(line, e, TOKdotstar, | |
| 737 FX_WSTRC(L"*"), s); | |
| 738 } break; | |
| 739 default: | |
| 740 return e; | |
| 741 } | |
| 742 NextToken(); | |
| 743 } | |
| 744 return e; | |
| 745 } | |
| 746 | |
| 747 CXFA_FMSimpleExpression* CXFA_FMParse::ParseIndexExpression() { | |
| 748 std::unique_ptr<CXFA_FMSimpleExpression> pExp; | |
| 749 FX_DWORD line = m_pToken->m_uLinenum; | |
| 750 NextToken(); | |
| 751 std::unique_ptr<CXFA_FMSimpleExpression> s; | |
| 752 XFA_FM_AccessorIndex accessorIndex = ACCESSOR_NO_RELATIVEINDEX; | |
| 753 if (m_pToken->m_type == TOKmul) { | |
| 754 pExp.reset( | |
| 755 new CXFA_FMIndexExpression(line, accessorIndex, s.release(), TRUE)); | |
| 756 NextToken(); | |
| 757 if (m_pToken->m_type != TOKrbracket) { | |
| 758 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 759 Error(m_pToken->m_uLinenum, FMERR_EXPECTED_TOKEN, | |
| 760 XFA_FM_KeywordToString(TOKrparen), ws_TempString.c_str()); | |
| 761 pExp.reset(); | |
| 762 } | |
| 763 return pExp.release(); | |
| 764 } | |
| 765 if (m_pToken->m_type == TOKplus) { | |
| 766 accessorIndex = ACCESSOR_POSITIVE_INDEX; | |
| 767 NextToken(); | |
| 768 } else if (m_pToken->m_type == TOKminus) { | |
| 769 accessorIndex = ACCESSOR_NEGATIVE_INDEX; | |
| 770 NextToken(); | |
| 771 } | |
| 772 s.reset(ParseSimpleExpression()); | |
| 773 if (m_pToken->m_type != TOKrbracket) { | |
| 774 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 775 Error(m_pToken->m_uLinenum, FMERR_EXPECTED_TOKEN, | |
| 776 XFA_FM_KeywordToString(TOKrparen), ws_TempString.c_str()); | |
| 777 } else { | |
| 778 pExp.reset( | |
| 779 new CXFA_FMIndexExpression(line, accessorIndex, s.release(), FALSE)); | |
| 780 } | |
| 781 return pExp.release(); | |
| 782 } | |
| 783 | |
| 784 CXFA_FMSimpleExpression* CXFA_FMParse::ParseParenExpression() { | |
| 785 Check(TOKlparen); | |
| 786 | |
| 787 if (m_pToken->m_type == TOKrparen) { | |
| 788 Error(m_pToken->m_uLinenum, FMERR_EXPECTED_NON_EMPTY_EXPRESSION); | |
| 789 NextToken(); | |
| 790 return nullptr; | |
| 791 } | |
| 792 | |
| 793 FX_DWORD line = m_pToken->m_uLinenum; | |
| 794 std::unique_ptr<CXFA_FMSimpleExpression> pExp1(ParseLogicalOrExpression()); | |
| 795 | |
| 796 while (m_pToken->m_type == TOKassign) { | |
| 797 NextToken(); | |
| 798 std::unique_ptr<CXFA_FMSimpleExpression> pExp2(ParseLogicalOrExpression()); | |
| 799 if (m_pErrorInfo->message.IsEmpty()) { | |
| 800 pExp1.reset(new CXFA_FMAssignExpression(line, TOKassign, pExp1.release(), | |
| 801 pExp2.release())); | |
| 802 } else { | |
| 803 pExp1.reset(); | |
| 804 } | |
| 805 } | |
| 806 Check(TOKrparen); | |
| 807 return pExp1.release(); | |
| 808 } | |
| 809 | |
| 810 CXFA_FMExpression* CXFA_FMParse::ParseBlockExpression() { | |
| 811 FX_DWORD line = m_pToken->m_uLinenum; | |
| 812 CXFA_FMExpression* e = nullptr; | |
| 813 std::unique_ptr<CFX_PtrArray> expression(new CFX_PtrArray()); | |
| 814 while (1) { | |
| 815 switch (m_pToken->m_type) { | |
| 816 case TOKeof: | |
| 817 case TOKendif: | |
| 818 case TOKelseif: | |
| 819 case TOKelse: | |
| 820 case TOKendwhile: | |
| 821 case TOKendfor: | |
| 822 case TOKend: | |
| 823 case TOKendfunc: | |
| 824 case TOKreserver: | |
| 825 break; | |
| 826 case TOKfunc: | |
| 827 e = ParseFunction(); | |
| 828 if (e) { | |
| 829 expression->Add(e); | |
| 830 } | |
| 831 continue; | |
| 832 default: | |
| 833 e = ParseExpression(); | |
| 834 if (e) { | |
| 835 expression->Add(e); | |
| 836 } | |
| 837 continue; | |
| 838 } | |
| 839 break; | |
| 840 } | |
| 841 std::unique_ptr<CXFA_FMBlockExpression> pExp; | |
| 842 if (m_pErrorInfo->message.IsEmpty()) { | |
| 843 pExp.reset(new CXFA_FMBlockExpression(line, expression.release())); | |
| 844 } else { | |
| 845 for (int i = 0; i < expression->GetSize(); ++i) | |
| 846 delete static_cast<CXFA_FMExpression*>(expression->GetAt(i)); | |
| 847 } | |
| 848 return pExp.release(); | |
| 849 } | |
| 850 | |
| 851 CXFA_FMExpression* CXFA_FMParse::ParseIfExpression() { | |
| 852 FX_DWORD line = m_pToken->m_uLinenum; | |
| 853 const FX_WCHAR* pStartPos = m_lexer->SavePos(); | |
| 854 NextToken(); | |
| 855 Check(TOKlparen); | |
| 856 std::unique_ptr<CXFA_FMSimpleExpression> pExpression; | |
| 857 while (m_pToken->m_type != TOKrparen) { | |
| 858 pExpression.reset(ParseSimpleExpression()); | |
| 859 if (m_pToken->m_type != TOKcomma) | |
| 860 break; | |
| 861 NextToken(); | |
| 862 } | |
| 863 Check(TOKrparen); | |
| 864 if (m_pToken->m_type != TOKthen) { | |
| 865 m_lexer->SetCurrentLine(line); | |
| 866 m_pToken = new CXFA_FMToken(line); | |
| 867 m_pToken->m_type = TOKidentifier; | |
| 868 m_pToken->m_wstring = FX_WSTRC(L"if"); | |
| 869 m_lexer->SetToken(m_pToken); | |
| 870 m_lexer->RestorePos(pStartPos); | |
| 871 return ParseExpExpression(); | |
| 872 } | |
| 873 Check(TOKthen); | |
| 874 std::unique_ptr<CXFA_FMExpression> pIfExpression(ParseBlockExpression()); | |
| 875 std::unique_ptr<CXFA_FMExpression> pElseExpression; | |
| 876 switch (m_pToken->m_type) { | |
| 877 case TOKeof: | |
| 878 case TOKendif: | |
| 879 Check(TOKendif); | |
| 880 break; | |
| 881 case TOKif: | |
| 882 pElseExpression.reset(ParseIfExpression()); | |
| 883 Check(TOKendif); | |
| 884 break; | |
| 885 case TOKelseif: | |
| 886 pElseExpression.reset(ParseIfExpression()); | |
| 887 break; | |
| 888 case TOKelse: | |
| 889 NextToken(); | |
| 890 pElseExpression.reset(ParseBlockExpression()); | |
| 891 Check(TOKendif); | |
| 892 break; | |
| 893 default: | |
| 894 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 895 Error(m_pToken->m_uLinenum, FMERR_EXPECTED_IFEND, ws_TempString.c_str()); | |
| 896 NextToken(); | |
| 897 break; | |
| 898 } | |
| 899 std::unique_ptr<CXFA_FMIfExpression> pExp; | |
| 900 if (m_pErrorInfo->message.IsEmpty()) { | |
| 901 pExp.reset(new CXFA_FMIfExpression(line, pExpression.release(), | |
| 902 pIfExpression.release(), | |
| 903 pElseExpression.release())); | |
| 904 } | |
| 905 return pExp.release(); | |
| 906 } | |
| 907 | |
| 908 CXFA_FMExpression* CXFA_FMParse::ParseWhileExpression() { | |
| 909 FX_DWORD line = m_pToken->m_uLinenum; | |
| 910 NextToken(); | |
| 911 std::unique_ptr<CXFA_FMSimpleExpression> pCondition(ParseParenExpression()); | |
| 912 Check(TOKdo); | |
| 913 std::unique_ptr<CXFA_FMExpression> pExpression(ParseBlockExpression()); | |
| 914 Check(TOKendwhile); | |
| 915 std::unique_ptr<CXFA_FMExpression> e; | |
| 916 if (m_pErrorInfo->message.IsEmpty()) { | |
| 917 e.reset(new CXFA_FMWhileExpression(line, pCondition.release(), | |
| 918 pExpression.release())); | |
| 919 } | |
| 920 return e.release(); | |
| 921 } | |
| 922 | |
| 923 CXFA_FMSimpleExpression* CXFA_FMParse::ParseSubassignmentInForExpression() { | |
| 924 std::unique_ptr<CXFA_FMSimpleExpression> e; | |
| 925 switch (m_pToken->m_type) { | |
| 926 case TOKidentifier: | |
| 927 e.reset(ParseSimpleExpression()); | |
| 928 break; | |
| 929 default: | |
| 930 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 931 Error(m_pToken->m_uLinenum, FMERR_UNEXPECTED_EXPRESSION, | |
| 932 ws_TempString.c_str()); | |
| 933 NextToken(); | |
| 934 break; | |
| 935 } | |
| 936 return e.release(); | |
| 937 } | |
| 938 | |
| 939 CXFA_FMExpression* CXFA_FMParse::ParseForExpression() { | |
| 940 CFX_WideStringC wsVariant; | |
| 941 FX_DWORD line = m_pToken->m_uLinenum; | |
| 942 NextToken(); | |
| 943 if (m_pToken->m_type != TOKidentifier) { | |
| 944 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 945 Error(m_pToken->m_uLinenum, FMERR_EXPECTED_TOKEN, | |
| 946 XFA_FM_KeywordToString(m_pToken->m_type), ws_TempString.c_str()); | |
| 947 } | |
| 948 wsVariant = m_pToken->m_wstring; | |
| 949 NextToken(); | |
| 950 std::unique_ptr<CXFA_FMSimpleExpression> pAssignment; | |
| 951 if (m_pToken->m_type == TOKassign) { | |
| 952 NextToken(); | |
| 953 pAssignment.reset(ParseSimpleExpression()); | |
| 954 } else { | |
| 955 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 956 Error(m_pToken->m_uLinenum, FMERR_EXPECTED_TOKEN, | |
| 957 XFA_FM_KeywordToString(m_pToken->m_type), ws_TempString.c_str()); | |
| 958 } | |
| 959 int32_t iDirection = 0; | |
| 960 if (m_pToken->m_type == TOKupto) { | |
| 961 iDirection = 1; | |
| 962 } else if (m_pToken->m_type == TOKdownto) { | |
| 963 iDirection = -1; | |
| 964 } else { | |
| 965 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 966 Error(m_pToken->m_uLinenum, FMERR_EXPECTED_TOKEN, L"upto or downto", | |
| 967 (const FX_WCHAR*)ws_TempString); | |
| 968 } | |
| 969 NextToken(); | |
| 970 std::unique_ptr<CXFA_FMSimpleExpression> pAccessor(ParseSimpleExpression()); | |
| 971 std::unique_ptr<CXFA_FMSimpleExpression> pStep; | |
| 972 if (m_pToken->m_type == TOKstep) { | |
| 973 NextToken(); | |
| 974 pStep.reset(ParseSimpleExpression()); | |
| 975 } | |
| 976 Check(TOKdo); | |
| 977 std::unique_ptr<CXFA_FMExpression> pList(ParseBlockExpression()); | |
| 978 Check(TOKendfor); | |
| 979 std::unique_ptr<CXFA_FMExpression> e; | |
| 980 if (m_pErrorInfo->message.IsEmpty()) { | |
| 981 e.reset(new CXFA_FMForExpression(line, wsVariant, pAssignment.release(), | |
| 982 pAccessor.release(), iDirection, | |
| 983 pStep.release(), pList.release())); | |
| 984 } | |
| 985 return e.release(); | |
| 986 } | |
| 987 | |
| 988 CXFA_FMExpression* CXFA_FMParse::ParseForeachExpression() { | |
| 989 std::unique_ptr<CXFA_FMExpression> e; | |
| 990 CFX_WideStringC wsIdentifier; | |
| 991 std::unique_ptr<CFX_PtrArray> pAccessors; | |
| 992 std::unique_ptr<CXFA_FMExpression> pList; | |
| 993 FX_DWORD line = m_pToken->m_uLinenum; | |
| 994 NextToken(); | |
| 995 if (m_pToken->m_type != TOKidentifier) { | |
| 996 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 997 Error(m_pToken->m_uLinenum, FMERR_EXPECTED_TOKEN, | |
| 998 XFA_FM_KeywordToString(m_pToken->m_type), ws_TempString.c_str()); | |
| 999 } | |
| 1000 wsIdentifier = m_pToken->m_wstring; | |
| 1001 NextToken(); | |
| 1002 Check(TOKin); | |
| 1003 Check(TOKlparen); | |
| 1004 if (m_pToken->m_type == TOKrparen) { | |
| 1005 CFX_WideString ws_TempString = m_pToken->m_wstring; | |
| 1006 Error(m_pToken->m_uLinenum, FMERR_UNEXPECTED_EXPRESSION, | |
| 1007 ws_TempString.c_str()); | |
| 1008 NextToken(); | |
| 1009 } else { | |
| 1010 pAccessors.reset(new CFX_PtrArray()); | |
| 1011 while (m_pToken->m_type != TOKrparen) { | |
| 1012 CXFA_FMSimpleExpression* s = ParseSimpleExpression(); | |
| 1013 if (s) { | |
| 1014 pAccessors->Add(s); | |
| 1015 } | |
| 1016 if (m_pToken->m_type == TOKcomma) { | |
| 1017 NextToken(); | |
| 1018 } else { | |
| 1019 break; | |
| 1020 } | |
| 1021 } | |
| 1022 Check(TOKrparen); | |
| 1023 } | |
| 1024 Check(TOKdo); | |
| 1025 pList.reset(ParseBlockExpression()); | |
| 1026 Check(TOKendfor); | |
| 1027 if (m_pErrorInfo->message.IsEmpty()) { | |
| 1028 e.reset(new CXFA_FMForeachExpression( | |
| 1029 line, wsIdentifier, pAccessors.release(), pList.release())); | |
| 1030 } else { | |
| 1031 if (pAccessors) { | |
| 1032 for (int i = 0; i < pAccessors->GetSize(); ++i) | |
| 1033 delete static_cast<CXFA_FMSimpleExpression*>(pAccessors->GetAt(i)); | |
| 1034 } | |
| 1035 } | |
| 1036 return e.release(); | |
| 1037 } | |
| 1038 | |
| 1039 CXFA_FMExpression* CXFA_FMParse::ParseDoExpression() { | |
| 1040 std::unique_ptr<CXFA_FMExpression> e; | |
| 1041 FX_DWORD line = m_pToken->m_uLinenum; | |
| 1042 NextToken(); | |
| 1043 e.reset(ParseBlockExpression()); | |
| 1044 Check(TOKend); | |
| 1045 if (m_pErrorInfo->message.IsEmpty()) { | |
| 1046 e.reset(new CXFA_FMDoExpression(line, e.release())); | |
| 1047 } else { | |
| 1048 e.reset(); | |
| 1049 } | |
| 1050 return e.release(); | |
| 1051 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1803723002:
Move xfa/src up to xfa/. (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@master