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| 13 | |
| 14 | #include "clang/AST/PrettyDeclStackTrace.h" |
| 15 | #include "clang/Basic/Attributes.h" |
| 16 | #include "clang/Basic/PrettyStackTrace.h" |
| 17 | #include "clang/Parse/LoopHint.h" |
| 18 | #include "clang/Parse/Parser.h" |
| 19 | #include "clang/Parse/RAIIObjectsForParser.h" |
| 20 | #include "clang/Sema/DeclSpec.h" |
| 21 | #include "clang/Sema/Scope.h" |
| 22 | #include "clang/Sema/TypoCorrection.h" |
| 23 | using namespace clang; |
| 24 | |
| 25 | |
| 26 | |
| 27 | |
| 28 | |
| 29 | |
| 30 | |
| 31 | StmtResult Parser::ParseStatement(SourceLocation *TrailingElseLoc, |
| 32 | ParsedStmtContext StmtCtx) { |
| 33 | StmtResult Res; |
| 34 | |
| 35 | |
| 36 | |
| 37 | do { |
| 38 | StmtVector Stmts; |
| 39 | Res = ParseStatementOrDeclaration(Stmts, StmtCtx, TrailingElseLoc); |
| 40 | } while (!Res.isInvalid() && !Res.get()); |
| 41 | |
| 42 | return Res; |
| 43 | } |
| 44 | |
| 45 | |
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| 91 | |
| 92 | |
| 93 | |
| 94 | StmtResult |
| 95 | Parser::ParseStatementOrDeclaration(StmtVector &Stmts, |
| 96 | ParsedStmtContext StmtCtx, |
| 97 | SourceLocation *TrailingElseLoc) { |
| 98 | |
| 99 | ParenBraceBracketBalancer BalancerRAIIObj(*this); |
| 100 | |
| 101 | ParsedAttributesWithRange Attrs(AttrFactory); |
| 102 | MaybeParseCXX11Attributes(Attrs, nullptr, true); |
| 103 | if (!MaybeParseOpenCLUnrollHintAttribute(Attrs)) |
| 104 | return StmtError(); |
| 105 | |
| 106 | StmtResult Res = ParseStatementOrDeclarationAfterAttributes( |
| 107 | Stmts, StmtCtx, TrailingElseLoc, Attrs); |
| 108 | |
| 109 | (0) . __assert_fail ("(Attrs.empty() || Res.isInvalid() || Res.isUsable()) && \"attributes on empty statement\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 110, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((Attrs.empty() || Res.isInvalid() || Res.isUsable()) && |
| 110 | (0) . __assert_fail ("(Attrs.empty() || Res.isInvalid() || Res.isUsable()) && \"attributes on empty statement\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 110, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "attributes on empty statement"); |
| 111 | |
| 112 | if (Attrs.empty() || Res.isInvalid()) |
| 113 | return Res; |
| 114 | |
| 115 | return Actions.ProcessStmtAttributes(Res.get(), Attrs, Attrs.Range); |
| 116 | } |
| 117 | |
| 118 | namespace { |
| 119 | class StatementFilterCCC final : public CorrectionCandidateCallback { |
| 120 | public: |
| 121 | StatementFilterCCC(Token nextTok) : NextToken(nextTok) { |
| 122 | WantTypeSpecifiers = nextTok.isOneOf(tok::l_paren, tok::less, tok::l_square, |
| 123 | tok::identifier, tok::star, tok::amp); |
| 124 | WantExpressionKeywords = |
| 125 | nextTok.isOneOf(tok::l_paren, tok::identifier, tok::arrow, tok::period); |
| 126 | WantRemainingKeywords = |
| 127 | nextTok.isOneOf(tok::l_paren, tok::semi, tok::identifier, tok::l_brace); |
| 128 | WantCXXNamedCasts = false; |
| 129 | } |
| 130 | |
| 131 | bool ValidateCandidate(const TypoCorrection &candidate) override { |
| 132 | if (FieldDecl *FD = candidate.getCorrectionDeclAs<FieldDecl>()) |
| 133 | return !candidate.getCorrectionSpecifier() || isa<ObjCIvarDecl>(FD); |
| 134 | if (NextToken.is(tok::equal)) |
| 135 | return candidate.getCorrectionDeclAs<VarDecl>(); |
| 136 | if (NextToken.is(tok::period) && |
| 137 | candidate.getCorrectionDeclAs<NamespaceDecl>()) |
| 138 | return false; |
| 139 | return CorrectionCandidateCallback::ValidateCandidate(candidate); |
| 140 | } |
| 141 | |
| 142 | std::unique_ptr<CorrectionCandidateCallback> clone() override { |
| 143 | return llvm::make_unique<StatementFilterCCC>(*this); |
| 144 | } |
| 145 | |
| 146 | private: |
| 147 | Token NextToken; |
| 148 | }; |
| 149 | } |
| 150 | |
| 151 | StmtResult Parser::ParseStatementOrDeclarationAfterAttributes( |
| 152 | StmtVector &Stmts, ParsedStmtContext StmtCtx, |
| 153 | SourceLocation *TrailingElseLoc, ParsedAttributesWithRange &Attrs) { |
| 154 | const char *SemiError = nullptr; |
| 155 | StmtResult Res; |
| 156 | |
| 157 | |
| 158 | |
| 159 | |
| 160 | Retry: |
| 161 | tok::TokenKind Kind = Tok.getKind(); |
| 162 | SourceLocation AtLoc; |
| 163 | switch (Kind) { |
| 164 | case tok::at: |
| 165 | { |
| 166 | ProhibitAttributes(Attrs); |
| 167 | AtLoc = ConsumeToken(); |
| 168 | return ParseObjCAtStatement(AtLoc, StmtCtx); |
| 169 | } |
| 170 | |
| 171 | case tok::code_completion: |
| 172 | Actions.CodeCompleteOrdinaryName(getCurScope(), Sema::PCC_Statement); |
| 173 | cutOffParsing(); |
| 174 | return StmtError(); |
| 175 | |
| 176 | case tok::identifier: { |
| 177 | Token Next = NextToken(); |
| 178 | if (Next.is(tok::colon)) { |
| 179 | |
| 180 | return ParseLabeledStatement(Attrs, StmtCtx); |
| 181 | } |
| 182 | |
| 183 | |
| 184 | |
| 185 | if (Next.isNot(tok::coloncolon)) { |
| 186 | |
| 187 | |
| 188 | StatementFilterCCC CCC(Next); |
| 189 | if (TryAnnotateName( false, &CCC) == ANK_Error) { |
| 190 | |
| 191 | |
| 192 | SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch); |
| 193 | if (Tok.is(tok::semi)) |
| 194 | ConsumeToken(); |
| 195 | return StmtError(); |
| 196 | } |
| 197 | |
| 198 | |
| 199 | if (Tok.isNot(tok::identifier)) |
| 200 | goto Retry; |
| 201 | } |
| 202 | |
| 203 | |
| 204 | LLVM_FALLTHROUGH; |
| 205 | } |
| 206 | |
| 207 | default: { |
| 208 | if ((getLangOpts().CPlusPlus || getLangOpts().MicrosoftExt || |
| 209 | (StmtCtx & ParsedStmtContext::AllowDeclarationsInC) != |
| 210 | ParsedStmtContext()) && |
| 211 | isDeclarationStatement()) { |
| 212 | SourceLocation DeclStart = Tok.getLocation(), DeclEnd; |
| 213 | DeclGroupPtrTy Decl = ParseDeclaration(DeclaratorContext::BlockContext, |
| 214 | DeclEnd, Attrs); |
| 215 | return Actions.ActOnDeclStmt(Decl, DeclStart, DeclEnd); |
| 216 | } |
| 217 | |
| 218 | if (Tok.is(tok::r_brace)) { |
| 219 | Diag(Tok, diag::err_expected_statement); |
| 220 | return StmtError(); |
| 221 | } |
| 222 | |
| 223 | return ParseExprStatement(StmtCtx); |
| 224 | } |
| 225 | |
| 226 | case tok::kw_case: |
| 227 | return ParseCaseStatement(StmtCtx); |
| 228 | case tok::kw_default: |
| 229 | return ParseDefaultStatement(StmtCtx); |
| 230 | |
| 231 | case tok::l_brace: |
| 232 | return ParseCompoundStatement(); |
| 233 | case tok::semi: { |
| 234 | bool HasLeadingEmptyMacro = Tok.hasLeadingEmptyMacro(); |
| 235 | return Actions.ActOnNullStmt(ConsumeToken(), HasLeadingEmptyMacro); |
| 236 | } |
| 237 | |
| 238 | case tok::kw_if: |
| 239 | return ParseIfStatement(TrailingElseLoc); |
| 240 | case tok::kw_switch: |
| 241 | return ParseSwitchStatement(TrailingElseLoc); |
| 242 | |
| 243 | case tok::kw_while: |
| 244 | return ParseWhileStatement(TrailingElseLoc); |
| 245 | case tok::kw_do: |
| 246 | Res = ParseDoStatement(); |
| 247 | SemiError = "do/while"; |
| 248 | break; |
| 249 | case tok::kw_for: |
| 250 | return ParseForStatement(TrailingElseLoc); |
| 251 | |
| 252 | case tok::kw_goto: |
| 253 | Res = ParseGotoStatement(); |
| 254 | SemiError = "goto"; |
| 255 | break; |
| 256 | case tok::kw_continue: |
| 257 | Res = ParseContinueStatement(); |
| 258 | SemiError = "continue"; |
| 259 | break; |
| 260 | case tok::kw_break: |
| 261 | Res = ParseBreakStatement(); |
| 262 | SemiError = "break"; |
| 263 | break; |
| 264 | case tok::kw_return: |
| 265 | Res = ParseReturnStatement(); |
| 266 | SemiError = "return"; |
| 267 | break; |
| 268 | case tok::kw_co_return: |
| 269 | Res = ParseReturnStatement(); |
| 270 | SemiError = "co_return"; |
| 271 | break; |
| 272 | |
| 273 | case tok::kw_asm: { |
| 274 | ProhibitAttributes(Attrs); |
| 275 | bool msAsm = false; |
| 276 | Res = ParseAsmStatement(msAsm); |
| 277 | Res = Actions.ActOnFinishFullStmt(Res.get()); |
| 278 | if (msAsm) return Res; |
| 279 | SemiError = "asm"; |
| 280 | break; |
| 281 | } |
| 282 | |
| 283 | case tok::kw___if_exists: |
| 284 | case tok::kw___if_not_exists: |
| 285 | ProhibitAttributes(Attrs); |
| 286 | ParseMicrosoftIfExistsStatement(Stmts); |
| 287 | |
| 288 | |
| 289 | return StmtEmpty(); |
| 290 | |
| 291 | case tok::kw_try: |
| 292 | return ParseCXXTryBlock(); |
| 293 | |
| 294 | case tok::kw___try: |
| 295 | ProhibitAttributes(Attrs); |
| 296 | return ParseSEHTryBlock(); |
| 297 | |
| 298 | case tok::kw___leave: |
| 299 | Res = ParseSEHLeaveStatement(); |
| 300 | SemiError = "__leave"; |
| 301 | break; |
| 302 | |
| 303 | case tok::annot_pragma_vis: |
| 304 | ProhibitAttributes(Attrs); |
| 305 | HandlePragmaVisibility(); |
| 306 | return StmtEmpty(); |
| 307 | |
| 308 | case tok::annot_pragma_pack: |
| 309 | ProhibitAttributes(Attrs); |
| 310 | HandlePragmaPack(); |
| 311 | return StmtEmpty(); |
| 312 | |
| 313 | case tok::annot_pragma_msstruct: |
| 314 | ProhibitAttributes(Attrs); |
| 315 | HandlePragmaMSStruct(); |
| 316 | return StmtEmpty(); |
| 317 | |
| 318 | case tok::annot_pragma_align: |
| 319 | ProhibitAttributes(Attrs); |
| 320 | HandlePragmaAlign(); |
| 321 | return StmtEmpty(); |
| 322 | |
| 323 | case tok::annot_pragma_weak: |
| 324 | ProhibitAttributes(Attrs); |
| 325 | HandlePragmaWeak(); |
| 326 | return StmtEmpty(); |
| 327 | |
| 328 | case tok::annot_pragma_weakalias: |
| 329 | ProhibitAttributes(Attrs); |
| 330 | HandlePragmaWeakAlias(); |
| 331 | return StmtEmpty(); |
| 332 | |
| 333 | case tok::annot_pragma_redefine_extname: |
| 334 | ProhibitAttributes(Attrs); |
| 335 | HandlePragmaRedefineExtname(); |
| 336 | return StmtEmpty(); |
| 337 | |
| 338 | case tok::annot_pragma_fp_contract: |
| 339 | ProhibitAttributes(Attrs); |
| 340 | Diag(Tok, diag::err_pragma_fp_contract_scope); |
| 341 | ConsumeAnnotationToken(); |
| 342 | return StmtError(); |
| 343 | |
| 344 | case tok::annot_pragma_fp: |
| 345 | ProhibitAttributes(Attrs); |
| 346 | Diag(Tok, diag::err_pragma_fp_scope); |
| 347 | ConsumeAnnotationToken(); |
| 348 | return StmtError(); |
| 349 | |
| 350 | case tok::annot_pragma_fenv_access: |
| 351 | ProhibitAttributes(Attrs); |
| 352 | HandlePragmaFEnvAccess(); |
| 353 | return StmtEmpty(); |
| 354 | |
| 355 | case tok::annot_pragma_opencl_extension: |
| 356 | ProhibitAttributes(Attrs); |
| 357 | HandlePragmaOpenCLExtension(); |
| 358 | return StmtEmpty(); |
| 359 | |
| 360 | case tok::annot_pragma_captured: |
| 361 | ProhibitAttributes(Attrs); |
| 362 | return HandlePragmaCaptured(); |
| 363 | |
| 364 | case tok::annot_pragma_openmp: |
| 365 | ProhibitAttributes(Attrs); |
| 366 | return ParseOpenMPDeclarativeOrExecutableDirective(StmtCtx); |
| 367 | |
| 368 | case tok::annot_pragma_ms_pointers_to_members: |
| 369 | ProhibitAttributes(Attrs); |
| 370 | HandlePragmaMSPointersToMembers(); |
| 371 | return StmtEmpty(); |
| 372 | |
| 373 | case tok::annot_pragma_ms_pragma: |
| 374 | ProhibitAttributes(Attrs); |
| 375 | HandlePragmaMSPragma(); |
| 376 | return StmtEmpty(); |
| 377 | |
| 378 | case tok::annot_pragma_ms_vtordisp: |
| 379 | ProhibitAttributes(Attrs); |
| 380 | HandlePragmaMSVtorDisp(); |
| 381 | return StmtEmpty(); |
| 382 | |
| 383 | case tok::annot_pragma_loop_hint: |
| 384 | ProhibitAttributes(Attrs); |
| 385 | return ParsePragmaLoopHint(Stmts, StmtCtx, TrailingElseLoc, Attrs); |
| 386 | |
| 387 | case tok::annot_pragma_dump: |
| 388 | HandlePragmaDump(); |
| 389 | return StmtEmpty(); |
| 390 | |
| 391 | case tok::annot_pragma_attribute: |
| 392 | HandlePragmaAttribute(); |
| 393 | return StmtEmpty(); |
| 394 | } |
| 395 | |
| 396 | |
| 397 | if (!TryConsumeToken(tok::semi) && !Res.isInvalid()) { |
| 398 | |
| 399 | |
| 400 | |
| 401 | ExpectAndConsume(tok::semi, diag::err_expected_semi_after_stmt, SemiError); |
| 402 | |
| 403 | SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch); |
| 404 | } |
| 405 | |
| 406 | return Res; |
| 407 | } |
| 408 | |
| 409 | |
| 410 | StmtResult Parser::ParseExprStatement(ParsedStmtContext StmtCtx) { |
| 411 | |
| 412 | Token OldToken = Tok; |
| 413 | |
| 414 | ExprStatementTokLoc = Tok.getLocation(); |
| 415 | |
| 416 | |
| 417 | ExprResult Expr(ParseExpression()); |
| 418 | if (Expr.isInvalid()) { |
| 419 | |
| 420 | |
| 421 | |
| 422 | SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch); |
| 423 | if (Tok.is(tok::semi)) |
| 424 | ConsumeToken(); |
| 425 | return Actions.ActOnExprStmtError(); |
| 426 | } |
| 427 | |
| 428 | if (Tok.is(tok::colon) && getCurScope()->isSwitchScope() && |
| 429 | Actions.CheckCaseExpression(Expr.get())) { |
| 430 | |
| 431 | |
| 432 | Diag(OldToken, diag::err_expected_case_before_expression) |
| 433 | << FixItHint::CreateInsertion(OldToken.getLocation(), "case "); |
| 434 | |
| 435 | |
| 436 | return ParseCaseStatement(StmtCtx, , Expr); |
| 437 | } |
| 438 | |
| 439 | |
| 440 | ExpectAndConsumeSemi(diag::err_expected_semi_after_expr); |
| 441 | return handleExprStmt(Expr, StmtCtx); |
| 442 | } |
| 443 | |
| 444 | |
| 445 | |
| 446 | |
| 447 | |
| 448 | |
| 449 | |
| 450 | |
| 451 | |
| 452 | |
| 453 | StmtResult Parser::ParseSEHTryBlock() { |
| 454 | (0) . __assert_fail ("Tok.is(tok..kw___try) && \"Expected '__try'\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 454, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::kw___try) && "Expected '__try'"); |
| 455 | SourceLocation TryLoc = ConsumeToken(); |
| 456 | |
| 457 | if (Tok.isNot(tok::l_brace)) |
| 458 | return StmtError(Diag(Tok, diag::err_expected) << tok::l_brace); |
| 459 | |
| 460 | StmtResult TryBlock(ParseCompoundStatement( |
| 461 | , |
| 462 | Scope::DeclScope | Scope::CompoundStmtScope | Scope::SEHTryScope)); |
| 463 | if (TryBlock.isInvalid()) |
| 464 | return TryBlock; |
| 465 | |
| 466 | StmtResult Handler; |
| 467 | if (Tok.is(tok::identifier) && |
| 468 | Tok.getIdentifierInfo() == getSEHExceptKeyword()) { |
| 469 | SourceLocation Loc = ConsumeToken(); |
| 470 | Handler = ParseSEHExceptBlock(Loc); |
| 471 | } else if (Tok.is(tok::kw___finally)) { |
| 472 | SourceLocation Loc = ConsumeToken(); |
| 473 | Handler = ParseSEHFinallyBlock(Loc); |
| 474 | } else { |
| 475 | return StmtError(Diag(Tok, diag::err_seh_expected_handler)); |
| 476 | } |
| 477 | |
| 478 | if(Handler.isInvalid()) |
| 479 | return Handler; |
| 480 | |
| 481 | return Actions.ActOnSEHTryBlock(false , |
| 482 | TryLoc, |
| 483 | TryBlock.get(), |
| 484 | Handler.get()); |
| 485 | } |
| 486 | |
| 487 | |
| 488 | |
| 489 | |
| 490 | |
| 491 | |
| 492 | StmtResult Parser::ParseSEHExceptBlock(SourceLocation ExceptLoc) { |
| 493 | PoisonIdentifierRAIIObject raii(Ident__exception_code, false), |
| 494 | raii2(Ident___exception_code, false), |
| 495 | raii3(Ident_GetExceptionCode, false); |
| 496 | |
| 497 | if (ExpectAndConsume(tok::l_paren)) |
| 498 | return StmtError(); |
| 499 | |
| 500 | ParseScope ExpectScope(this, Scope::DeclScope | Scope::ControlScope | |
| 501 | Scope::SEHExceptScope); |
| 502 | |
| 503 | if (getLangOpts().Borland) { |
| 504 | Ident__exception_info->setIsPoisoned(false); |
| 505 | Ident___exception_info->setIsPoisoned(false); |
| 506 | Ident_GetExceptionInfo->setIsPoisoned(false); |
| 507 | } |
| 508 | |
| 509 | ExprResult FilterExpr; |
| 510 | { |
| 511 | ParseScopeFlags FilterScope(this, getCurScope()->getFlags() | |
| 512 | Scope::SEHFilterScope); |
| 513 | FilterExpr = Actions.CorrectDelayedTyposInExpr(ParseExpression()); |
| 514 | } |
| 515 | |
| 516 | if (getLangOpts().Borland) { |
| 517 | Ident__exception_info->setIsPoisoned(true); |
| 518 | Ident___exception_info->setIsPoisoned(true); |
| 519 | Ident_GetExceptionInfo->setIsPoisoned(true); |
| 520 | } |
| 521 | |
| 522 | if(FilterExpr.isInvalid()) |
| 523 | return StmtError(); |
| 524 | |
| 525 | if (ExpectAndConsume(tok::r_paren)) |
| 526 | return StmtError(); |
| 527 | |
| 528 | if (Tok.isNot(tok::l_brace)) |
| 529 | return StmtError(Diag(Tok, diag::err_expected) << tok::l_brace); |
| 530 | |
| 531 | StmtResult Block(ParseCompoundStatement()); |
| 532 | |
| 533 | if(Block.isInvalid()) |
| 534 | return Block; |
| 535 | |
| 536 | return Actions.ActOnSEHExceptBlock(ExceptLoc, FilterExpr.get(), Block.get()); |
| 537 | } |
| 538 | |
| 539 | |
| 540 | |
| 541 | |
| 542 | |
| 543 | |
| 544 | StmtResult Parser::ParseSEHFinallyBlock(SourceLocation FinallyLoc) { |
| 545 | PoisonIdentifierRAIIObject raii(Ident__abnormal_termination, false), |
| 546 | raii2(Ident___abnormal_termination, false), |
| 547 | raii3(Ident_AbnormalTermination, false); |
| 548 | |
| 549 | if (Tok.isNot(tok::l_brace)) |
| 550 | return StmtError(Diag(Tok, diag::err_expected) << tok::l_brace); |
| 551 | |
| 552 | ParseScope FinallyScope(this, 0); |
| 553 | Actions.ActOnStartSEHFinallyBlock(); |
| 554 | |
| 555 | StmtResult Block(ParseCompoundStatement()); |
| 556 | if(Block.isInvalid()) { |
| 557 | Actions.ActOnAbortSEHFinallyBlock(); |
| 558 | return Block; |
| 559 | } |
| 560 | |
| 561 | return Actions.ActOnFinishSEHFinallyBlock(FinallyLoc, Block.get()); |
| 562 | } |
| 563 | |
| 564 | |
| 565 | |
| 566 | |
| 567 | |
| 568 | |
| 569 | StmtResult Parser::ParseSEHLeaveStatement() { |
| 570 | SourceLocation LeaveLoc = ConsumeToken(); |
| 571 | return Actions.ActOnSEHLeaveStmt(LeaveLoc, getCurScope()); |
| 572 | } |
| 573 | |
| 574 | |
| 575 | |
| 576 | |
| 577 | |
| 578 | |
| 579 | |
| 580 | StmtResult Parser::ParseLabeledStatement(ParsedAttributesWithRange &attrs, |
| 581 | ParsedStmtContext StmtCtx) { |
| 582 | (0) . __assert_fail ("Tok.is(tok..identifier) && Tok.getIdentifierInfo() && \"Not an identifier!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 583, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::identifier) && Tok.getIdentifierInfo() && |
| 583 | (0) . __assert_fail ("Tok.is(tok..identifier) && Tok.getIdentifierInfo() && \"Not an identifier!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 583, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Not an identifier!"); |
| 584 | |
| 585 | |
| 586 | |
| 587 | StmtCtx &= ~ParsedStmtContext::AllowDeclarationsInC; |
| 588 | |
| 589 | Token IdentTok = Tok; |
| 590 | ConsumeToken(); |
| 591 | |
| 592 | (0) . __assert_fail ("Tok.is(tok..colon) && \"Not a label!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 592, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::colon) && "Not a label!"); |
| 593 | |
| 594 | |
| 595 | SourceLocation ColonLoc = ConsumeToken(); |
| 596 | |
| 597 | |
| 598 | StmtResult SubStmt; |
| 599 | if (Tok.is(tok::kw___attribute)) { |
| 600 | ParsedAttributesWithRange TempAttrs(AttrFactory); |
| 601 | ParseGNUAttributes(TempAttrs); |
| 602 | |
| 603 | |
| 604 | |
| 605 | |
| 606 | |
| 607 | |
| 608 | |
| 609 | |
| 610 | if (!getLangOpts().CPlusPlus || Tok.is(tok::semi)) |
| 611 | attrs.takeAllFrom(TempAttrs); |
| 612 | else if (isDeclarationStatement()) { |
| 613 | StmtVector Stmts; |
| 614 | |
| 615 | |
| 616 | |
| 617 | |
| 618 | SubStmt = ParseStatementOrDeclarationAfterAttributes(Stmts, StmtCtx, |
| 619 | nullptr, TempAttrs); |
| 620 | if (!TempAttrs.empty() && !SubStmt.isInvalid()) |
| 621 | SubStmt = Actions.ProcessStmtAttributes(SubStmt.get(), TempAttrs, |
| 622 | TempAttrs.Range); |
| 623 | } else { |
| 624 | Diag(Tok, diag::err_expected_after) << "__attribute__" << tok::semi; |
| 625 | } |
| 626 | } |
| 627 | |
| 628 | |
| 629 | if (!SubStmt.isInvalid() && !SubStmt.isUsable()) |
| 630 | SubStmt = ParseStatement(nullptr, StmtCtx); |
| 631 | |
| 632 | |
| 633 | if (SubStmt.isInvalid()) |
| 634 | SubStmt = Actions.ActOnNullStmt(ColonLoc); |
| 635 | |
| 636 | LabelDecl *LD = Actions.LookupOrCreateLabel(IdentTok.getIdentifierInfo(), |
| 637 | IdentTok.getLocation()); |
| 638 | Actions.ProcessDeclAttributeList(Actions.CurScope, LD, attrs); |
| 639 | attrs.clear(); |
| 640 | |
| 641 | return Actions.ActOnLabelStmt(IdentTok.getLocation(), LD, ColonLoc, |
| 642 | SubStmt.get()); |
| 643 | } |
| 644 | |
| 645 | |
| 646 | |
| 647 | |
| 648 | |
| 649 | |
| 650 | StmtResult Parser::ParseCaseStatement(ParsedStmtContext StmtCtx, |
| 651 | bool MissingCase, ExprResult Expr) { |
| 652 | (0) . __assert_fail ("(MissingCase || Tok.is(tok..kw_case)) && \"Not a case stmt!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 652, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((MissingCase || Tok.is(tok::kw_case)) && "Not a case stmt!"); |
| 653 | |
| 654 | |
| 655 | |
| 656 | StmtCtx &= ~ParsedStmtContext::AllowDeclarationsInC; |
| 657 | |
| 658 | |
| 659 | |
| 660 | |
| 661 | |
| 662 | |
| 663 | |
| 664 | |
| 665 | |
| 666 | |
| 667 | |
| 668 | |
| 669 | |
| 670 | |
| 671 | |
| 672 | |
| 673 | |
| 674 | StmtResult TopLevelCase(true); |
| 675 | |
| 676 | |
| 677 | |
| 678 | |
| 679 | Stmt *DeepestParsedCaseStmt = nullptr; |
| 680 | |
| 681 | |
| 682 | SourceLocation ColonLoc; |
| 683 | do { |
| 684 | SourceLocation CaseLoc = MissingCase ? Expr.get()->getExprLoc() : |
| 685 | ConsumeToken(); |
| 686 | ColonLoc = SourceLocation(); |
| 687 | |
| 688 | if (Tok.is(tok::code_completion)) { |
| 689 | Actions.CodeCompleteCase(getCurScope()); |
| 690 | cutOffParsing(); |
| 691 | return StmtError(); |
| 692 | } |
| 693 | |
| 694 | |
| 695 | |
| 696 | |
| 697 | ColonProtectionRAIIObject ColonProtection(*this); |
| 698 | |
| 699 | ExprResult LHS; |
| 700 | if (!MissingCase) { |
| 701 | LHS = ParseCaseExpression(CaseLoc); |
| 702 | if (LHS.isInvalid()) { |
| 703 | |
| 704 | |
| 705 | if (!SkipUntil(tok::colon, tok::r_brace, StopAtSemi | StopBeforeMatch)) |
| 706 | return StmtError(); |
| 707 | } |
| 708 | } else { |
| 709 | LHS = Expr; |
| 710 | MissingCase = false; |
| 711 | } |
| 712 | |
| 713 | |
| 714 | SourceLocation DotDotDotLoc; |
| 715 | ExprResult RHS; |
| 716 | if (TryConsumeToken(tok::ellipsis, DotDotDotLoc)) { |
| 717 | Diag(DotDotDotLoc, diag::ext_gnu_case_range); |
| 718 | RHS = ParseCaseExpression(CaseLoc); |
| 719 | if (RHS.isInvalid()) { |
| 720 | if (!SkipUntil(tok::colon, tok::r_brace, StopAtSemi | StopBeforeMatch)) |
| 721 | return StmtError(); |
| 722 | } |
| 723 | } |
| 724 | |
| 725 | ColonProtection.restore(); |
| 726 | |
| 727 | if (TryConsumeToken(tok::colon, ColonLoc)) { |
| 728 | } else if (TryConsumeToken(tok::semi, ColonLoc) || |
| 729 | TryConsumeToken(tok::coloncolon, ColonLoc)) { |
| 730 | |
| 731 | Diag(ColonLoc, diag::err_expected_after) |
| 732 | << "'case'" << tok::colon |
| 733 | << FixItHint::CreateReplacement(ColonLoc, ":"); |
| 734 | } else { |
| 735 | SourceLocation ExpectedLoc = PP.getLocForEndOfToken(PrevTokLocation); |
| 736 | Diag(ExpectedLoc, diag::err_expected_after) |
| 737 | << "'case'" << tok::colon |
| 738 | << FixItHint::CreateInsertion(ExpectedLoc, ":"); |
| 739 | ColonLoc = ExpectedLoc; |
| 740 | } |
| 741 | |
| 742 | StmtResult Case = |
| 743 | Actions.ActOnCaseStmt(CaseLoc, LHS, DotDotDotLoc, RHS, ColonLoc); |
| 744 | |
| 745 | |
| 746 | |
| 747 | if (Case.isInvalid()) { |
| 748 | if (TopLevelCase.isInvalid()) |
| 749 | return ParseStatement(, StmtCtx); |
| 750 | |
| 751 | } else { |
| 752 | |
| 753 | |
| 754 | Stmt *NextDeepest = Case.get(); |
| 755 | if (TopLevelCase.isInvalid()) |
| 756 | TopLevelCase = Case; |
| 757 | else |
| 758 | Actions.ActOnCaseStmtBody(DeepestParsedCaseStmt, Case.get()); |
| 759 | DeepestParsedCaseStmt = NextDeepest; |
| 760 | } |
| 761 | |
| 762 | |
| 763 | } while (Tok.is(tok::kw_case)); |
| 764 | |
| 765 | |
| 766 | StmtResult SubStmt; |
| 767 | |
| 768 | if (Tok.isNot(tok::r_brace)) { |
| 769 | SubStmt = ParseStatement(, StmtCtx); |
| 770 | } else { |
| 771 | |
| 772 | |
| 773 | |
| 774 | if (ColonLoc.isValid()) { |
| 775 | SourceLocation AfterColonLoc = PP.getLocForEndOfToken(ColonLoc); |
| 776 | Diag(AfterColonLoc, diag::err_label_end_of_compound_statement) |
| 777 | << FixItHint::CreateInsertion(AfterColonLoc, " ;"); |
| 778 | } |
| 779 | SubStmt = StmtError(); |
| 780 | } |
| 781 | |
| 782 | |
| 783 | if (DeepestParsedCaseStmt) { |
| 784 | |
| 785 | if (SubStmt.isInvalid()) |
| 786 | SubStmt = Actions.ActOnNullStmt(SourceLocation()); |
| 787 | Actions.ActOnCaseStmtBody(DeepestParsedCaseStmt, SubStmt.get()); |
| 788 | } |
| 789 | |
| 790 | |
| 791 | return TopLevelCase; |
| 792 | } |
| 793 | |
| 794 | |
| 795 | |
| 796 | |
| 797 | |
| 798 | |
| 799 | StmtResult Parser::ParseDefaultStatement(ParsedStmtContext StmtCtx) { |
| 800 | (0) . __assert_fail ("Tok.is(tok..kw_default) && \"Not a default stmt!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 800, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::kw_default) && "Not a default stmt!"); |
| 801 | |
| 802 | |
| 803 | |
| 804 | StmtCtx &= ~ParsedStmtContext::AllowDeclarationsInC; |
| 805 | |
| 806 | SourceLocation DefaultLoc = ConsumeToken(); |
| 807 | |
| 808 | SourceLocation ColonLoc; |
| 809 | if (TryConsumeToken(tok::colon, ColonLoc)) { |
| 810 | } else if (TryConsumeToken(tok::semi, ColonLoc)) { |
| 811 | |
| 812 | Diag(ColonLoc, diag::err_expected_after) |
| 813 | << "'default'" << tok::colon |
| 814 | << FixItHint::CreateReplacement(ColonLoc, ":"); |
| 815 | } else { |
| 816 | SourceLocation ExpectedLoc = PP.getLocForEndOfToken(PrevTokLocation); |
| 817 | Diag(ExpectedLoc, diag::err_expected_after) |
| 818 | << "'default'" << tok::colon |
| 819 | << FixItHint::CreateInsertion(ExpectedLoc, ":"); |
| 820 | ColonLoc = ExpectedLoc; |
| 821 | } |
| 822 | |
| 823 | StmtResult SubStmt; |
| 824 | |
| 825 | if (Tok.isNot(tok::r_brace)) { |
| 826 | SubStmt = ParseStatement(, StmtCtx); |
| 827 | } else { |
| 828 | |
| 829 | |
| 830 | SourceLocation AfterColonLoc = PP.getLocForEndOfToken(ColonLoc); |
| 831 | Diag(AfterColonLoc, diag::err_label_end_of_compound_statement) |
| 832 | << FixItHint::CreateInsertion(AfterColonLoc, " ;"); |
| 833 | SubStmt = true; |
| 834 | } |
| 835 | |
| 836 | |
| 837 | if (SubStmt.isInvalid()) |
| 838 | SubStmt = Actions.ActOnNullStmt(ColonLoc); |
| 839 | |
| 840 | return Actions.ActOnDefaultStmt(DefaultLoc, ColonLoc, |
| 841 | SubStmt.get(), getCurScope()); |
| 842 | } |
| 843 | |
| 844 | StmtResult Parser::ParseCompoundStatement(bool isStmtExpr) { |
| 845 | return ParseCompoundStatement(isStmtExpr, |
| 846 | Scope::DeclScope | Scope::CompoundStmtScope); |
| 847 | } |
| 848 | |
| 849 | |
| 850 | |
| 851 | |
| 852 | |
| 853 | |
| 854 | |
| 855 | |
| 856 | |
| 857 | |
| 858 | |
| 859 | |
| 860 | |
| 861 | |
| 862 | |
| 863 | |
| 864 | |
| 865 | |
| 866 | |
| 867 | |
| 868 | |
| 869 | |
| 870 | |
| 871 | StmtResult Parser::ParseCompoundStatement(bool isStmtExpr, |
| 872 | unsigned ScopeFlags) { |
| 873 | (0) . __assert_fail ("Tok.is(tok..l_brace) && \"Not a compount stmt!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 873, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::l_brace) && "Not a compount stmt!"); |
| 874 | |
| 875 | |
| 876 | |
| 877 | ParseScope CompoundScope(this, ScopeFlags); |
| 878 | |
| 879 | |
| 880 | return ParseCompoundStatementBody(isStmtExpr); |
| 881 | } |
| 882 | |
| 883 | |
| 884 | |
| 885 | |
| 886 | void Parser::ParseCompoundStatementLeadingPragmas() { |
| 887 | bool checkForPragmas = true; |
| 888 | while (checkForPragmas) { |
| 889 | switch (Tok.getKind()) { |
| 890 | case tok::annot_pragma_vis: |
| 891 | HandlePragmaVisibility(); |
| 892 | break; |
| 893 | case tok::annot_pragma_pack: |
| 894 | HandlePragmaPack(); |
| 895 | break; |
| 896 | case tok::annot_pragma_msstruct: |
| 897 | HandlePragmaMSStruct(); |
| 898 | break; |
| 899 | case tok::annot_pragma_align: |
| 900 | HandlePragmaAlign(); |
| 901 | break; |
| 902 | case tok::annot_pragma_weak: |
| 903 | HandlePragmaWeak(); |
| 904 | break; |
| 905 | case tok::annot_pragma_weakalias: |
| 906 | HandlePragmaWeakAlias(); |
| 907 | break; |
| 908 | case tok::annot_pragma_redefine_extname: |
| 909 | HandlePragmaRedefineExtname(); |
| 910 | break; |
| 911 | case tok::annot_pragma_opencl_extension: |
| 912 | HandlePragmaOpenCLExtension(); |
| 913 | break; |
| 914 | case tok::annot_pragma_fp_contract: |
| 915 | HandlePragmaFPContract(); |
| 916 | break; |
| 917 | case tok::annot_pragma_fp: |
| 918 | HandlePragmaFP(); |
| 919 | break; |
| 920 | case tok::annot_pragma_fenv_access: |
| 921 | HandlePragmaFEnvAccess(); |
| 922 | break; |
| 923 | case tok::annot_pragma_ms_pointers_to_members: |
| 924 | HandlePragmaMSPointersToMembers(); |
| 925 | break; |
| 926 | case tok::annot_pragma_ms_pragma: |
| 927 | HandlePragmaMSPragma(); |
| 928 | break; |
| 929 | case tok::annot_pragma_ms_vtordisp: |
| 930 | HandlePragmaMSVtorDisp(); |
| 931 | break; |
| 932 | case tok::annot_pragma_dump: |
| 933 | HandlePragmaDump(); |
| 934 | break; |
| 935 | default: |
| 936 | checkForPragmas = false; |
| 937 | break; |
| 938 | } |
| 939 | } |
| 940 | |
| 941 | } |
| 942 | |
| 943 | |
| 944 | |
| 945 | bool Parser::(StmtVector &Stmts) { |
| 946 | if (!Tok.is(tok::semi)) |
| 947 | return false; |
| 948 | |
| 949 | SourceLocation StartLoc = Tok.getLocation(); |
| 950 | SourceLocation EndLoc; |
| 951 | |
| 952 | while (Tok.is(tok::semi) && !Tok.hasLeadingEmptyMacro() && |
| 953 | Tok.getLocation().isValid() && !Tok.getLocation().isMacroID()) { |
| 954 | EndLoc = Tok.getLocation(); |
| 955 | |
| 956 | |
| 957 | StmtResult R = |
| 958 | ParseStatementOrDeclaration(Stmts, ParsedStmtContext::SubStmt); |
| 959 | if (R.isUsable()) |
| 960 | Stmts.push_back(R.get()); |
| 961 | } |
| 962 | |
| 963 | |
| 964 | if (EndLoc.isInvalid()) |
| 965 | return false; |
| 966 | |
| 967 | Diag(StartLoc, diag::warn_null_statement) |
| 968 | << FixItHint::CreateRemoval(SourceRange(StartLoc, EndLoc)); |
| 969 | return true; |
| 970 | } |
| 971 | |
| 972 | StmtResult Parser::handleExprStmt(ExprResult E, ParsedStmtContext StmtCtx) { |
| 973 | bool IsStmtExprResult = false; |
| 974 | if ((StmtCtx & ParsedStmtContext::InStmtExpr) != ParsedStmtContext()) { |
| 975 | |
| 976 | |
| 977 | |
| 978 | IsStmtExprResult = Tok.is(tok::r_brace) && NextToken().is(tok::r_paren); |
| 979 | } |
| 980 | |
| 981 | if (IsStmtExprResult) |
| 982 | E = Actions.ActOnStmtExprResult(E); |
| 983 | return Actions.ActOnExprStmt(E, !IsStmtExprResult); |
| 984 | } |
| 985 | |
| 986 | |
| 987 | |
| 988 | |
| 989 | |
| 990 | StmtResult Parser::ParseCompoundStatementBody(bool isStmtExpr) { |
| 991 | PrettyStackTraceLoc CrashInfo(PP.getSourceManager(), |
| 992 | Tok.getLocation(), |
| 993 | "in compound statement ('{}')"); |
| 994 | |
| 995 | |
| 996 | |
| 997 | Sema::FPContractStateRAII SaveFPContractState(Actions); |
| 998 | |
| 999 | InMessageExpressionRAIIObject InMessage(*this, false); |
| 1000 | BalancedDelimiterTracker T(*this, tok::l_brace); |
| 1001 | if (T.consumeOpen()) |
| 1002 | return StmtError(); |
| 1003 | |
| 1004 | Sema::CompoundScopeRAII CompoundScope(Actions, isStmtExpr); |
| 1005 | |
| 1006 | |
| 1007 | ParseCompoundStatementLeadingPragmas(); |
| 1008 | |
| 1009 | StmtVector Stmts; |
| 1010 | |
| 1011 | |
| 1012 | |
| 1013 | while (Tok.is(tok::kw___label__)) { |
| 1014 | SourceLocation LabelLoc = ConsumeToken(); |
| 1015 | |
| 1016 | SmallVector<Decl *, 8> DeclsInGroup; |
| 1017 | while (1) { |
| 1018 | if (Tok.isNot(tok::identifier)) { |
| 1019 | Diag(Tok, diag::err_expected) << tok::identifier; |
| 1020 | break; |
| 1021 | } |
| 1022 | |
| 1023 | IdentifierInfo *II = Tok.getIdentifierInfo(); |
| 1024 | SourceLocation IdLoc = ConsumeToken(); |
| 1025 | DeclsInGroup.push_back(Actions.LookupOrCreateLabel(II, IdLoc, LabelLoc)); |
| 1026 | |
| 1027 | if (!TryConsumeToken(tok::comma)) |
| 1028 | break; |
| 1029 | } |
| 1030 | |
| 1031 | DeclSpec DS(AttrFactory); |
| 1032 | DeclGroupPtrTy Res = |
| 1033 | Actions.FinalizeDeclaratorGroup(getCurScope(), DS, DeclsInGroup); |
| 1034 | StmtResult R = Actions.ActOnDeclStmt(Res, LabelLoc, Tok.getLocation()); |
| 1035 | |
| 1036 | ExpectAndConsumeSemi(diag::err_expected_semi_declaration); |
| 1037 | if (R.isUsable()) |
| 1038 | Stmts.push_back(R.get()); |
| 1039 | } |
| 1040 | |
| 1041 | ParsedStmtContext SubStmtCtx = |
| 1042 | ParsedStmtContext::Compound | |
| 1043 | (isStmtExpr ? ParsedStmtContext::InStmtExpr : ParsedStmtContext()); |
| 1044 | |
| 1045 | while (!tryParseMisplacedModuleImport() && Tok.isNot(tok::r_brace) && |
| 1046 | Tok.isNot(tok::eof)) { |
| 1047 | if (Tok.is(tok::annot_pragma_unused)) { |
| 1048 | HandlePragmaUnused(); |
| 1049 | continue; |
| 1050 | } |
| 1051 | |
| 1052 | if (ConsumeNullStmt(Stmts)) |
| 1053 | continue; |
| 1054 | |
| 1055 | StmtResult R; |
| 1056 | if (Tok.isNot(tok::kw___extension__)) { |
| 1057 | R = ParseStatementOrDeclaration(Stmts, SubStmtCtx); |
| 1058 | } else { |
| 1059 | |
| 1060 | |
| 1061 | |
| 1062 | |
| 1063 | SourceLocation ExtLoc = ConsumeToken(); |
| 1064 | while (Tok.is(tok::kw___extension__)) |
| 1065 | ConsumeToken(); |
| 1066 | |
| 1067 | ParsedAttributesWithRange attrs(AttrFactory); |
| 1068 | MaybeParseCXX11Attributes(attrs, nullptr, |
| 1069 | true); |
| 1070 | |
| 1071 | |
| 1072 | if (isDeclarationStatement()) { |
| 1073 | |
| 1074 | |
| 1075 | ExtensionRAIIObject O(Diags); |
| 1076 | |
| 1077 | SourceLocation DeclStart = Tok.getLocation(), DeclEnd; |
| 1078 | DeclGroupPtrTy Res = |
| 1079 | ParseDeclaration(DeclaratorContext::BlockContext, DeclEnd, attrs); |
| 1080 | R = Actions.ActOnDeclStmt(Res, DeclStart, DeclEnd); |
| 1081 | } else { |
| 1082 | |
| 1083 | ExprResult Res(ParseExpressionWithLeadingExtension(ExtLoc)); |
| 1084 | |
| 1085 | if (Res.isInvalid()) { |
| 1086 | SkipUntil(tok::semi); |
| 1087 | continue; |
| 1088 | } |
| 1089 | |
| 1090 | |
| 1091 | |
| 1092 | ExpectAndConsumeSemi(diag::err_expected_semi_after_expr); |
| 1093 | R = handleExprStmt(Res, SubStmtCtx); |
| 1094 | if (R.isUsable()) |
| 1095 | R = Actions.ProcessStmtAttributes(R.get(), attrs, attrs.Range); |
| 1096 | } |
| 1097 | } |
| 1098 | |
| 1099 | if (R.isUsable()) |
| 1100 | Stmts.push_back(R.get()); |
| 1101 | } |
| 1102 | |
| 1103 | SourceLocation CloseLoc = Tok.getLocation(); |
| 1104 | |
| 1105 | |
| 1106 | if (!T.consumeClose()) |
| 1107 | |
| 1108 | |
| 1109 | CloseLoc = T.getCloseLocation(); |
| 1110 | |
| 1111 | return Actions.ActOnCompoundStmt(T.getOpenLocation(), CloseLoc, |
| 1112 | Stmts, isStmtExpr); |
| 1113 | } |
| 1114 | |
| 1115 | |
| 1116 | |
| 1117 | |
| 1118 | |
| 1119 | |
| 1120 | |
| 1121 | |
| 1122 | |
| 1123 | |
| 1124 | |
| 1125 | |
| 1126 | |
| 1127 | bool Parser::ParseParenExprOrCondition(StmtResult *InitStmt, |
| 1128 | Sema::ConditionResult &Cond, |
| 1129 | SourceLocation Loc, |
| 1130 | Sema::ConditionKind CK) { |
| 1131 | BalancedDelimiterTracker T(*this, tok::l_paren); |
| 1132 | T.consumeOpen(); |
| 1133 | |
| 1134 | if (getLangOpts().CPlusPlus) |
| 1135 | Cond = ParseCXXCondition(InitStmt, Loc, CK); |
| 1136 | else { |
| 1137 | ExprResult CondExpr = ParseExpression(); |
| 1138 | |
| 1139 | |
| 1140 | if (CondExpr.isInvalid()) |
| 1141 | Cond = Sema::ConditionError(); |
| 1142 | else |
| 1143 | Cond = Actions.ActOnCondition(getCurScope(), Loc, CondExpr.get(), CK); |
| 1144 | } |
| 1145 | |
| 1146 | |
| 1147 | |
| 1148 | |
| 1149 | if (Cond.isInvalid() && Tok.isNot(tok::r_paren)) { |
| 1150 | SkipUntil(tok::semi); |
| 1151 | |
| 1152 | |
| 1153 | if (Tok.isNot(tok::r_paren)) |
| 1154 | return true; |
| 1155 | } |
| 1156 | |
| 1157 | |
| 1158 | T.consumeClose(); |
| 1159 | |
| 1160 | |
| 1161 | |
| 1162 | |
| 1163 | while (Tok.is(tok::r_paren)) { |
| 1164 | Diag(Tok, diag::err_extraneous_rparen_in_condition) |
| 1165 | << FixItHint::CreateRemoval(Tok.getLocation()); |
| 1166 | ConsumeParen(); |
| 1167 | } |
| 1168 | |
| 1169 | return false; |
| 1170 | } |
| 1171 | |
| 1172 | |
| 1173 | |
| 1174 | |
| 1175 | |
| 1176 | |
| 1177 | |
| 1178 | |
| 1179 | |
| 1180 | StmtResult Parser::ParseIfStatement(SourceLocation *TrailingElseLoc) { |
| 1181 | (0) . __assert_fail ("Tok.is(tok..kw_if) && \"Not an if stmt!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 1181, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::kw_if) && "Not an if stmt!"); |
| 1182 | SourceLocation IfLoc = ConsumeToken(); |
| 1183 | |
| 1184 | bool IsConstexpr = false; |
| 1185 | if (Tok.is(tok::kw_constexpr)) { |
| 1186 | Diag(Tok, getLangOpts().CPlusPlus17 ? diag::warn_cxx14_compat_constexpr_if |
| 1187 | : diag::ext_constexpr_if); |
| 1188 | IsConstexpr = true; |
| 1189 | ConsumeToken(); |
| 1190 | } |
| 1191 | |
| 1192 | if (Tok.isNot(tok::l_paren)) { |
| 1193 | Diag(Tok, diag::err_expected_lparen_after) << "if"; |
| 1194 | SkipUntil(tok::semi); |
| 1195 | return StmtError(); |
| 1196 | } |
| 1197 | |
| 1198 | bool C99orCXX = getLangOpts().C99 || getLangOpts().CPlusPlus; |
| 1199 | |
| 1200 | |
| 1201 | |
| 1202 | |
| 1203 | |
| 1204 | |
| 1205 | |
| 1206 | |
| 1207 | |
| 1208 | |
| 1209 | |
| 1210 | |
| 1211 | |
| 1212 | ParseScope IfScope(this, Scope::DeclScope | Scope::ControlScope, C99orCXX); |
| 1213 | |
| 1214 | |
| 1215 | StmtResult InitStmt; |
| 1216 | Sema::ConditionResult Cond; |
| 1217 | if (ParseParenExprOrCondition(&InitStmt, Cond, IfLoc, |
| 1218 | IsConstexpr ? Sema::ConditionKind::ConstexprIf |
| 1219 | : Sema::ConditionKind::Boolean)) |
| 1220 | return StmtError(); |
| 1221 | |
| 1222 | llvm::Optional<bool> ConstexprCondition; |
| 1223 | if (IsConstexpr) |
| 1224 | ConstexprCondition = Cond.getKnownValue(); |
| 1225 | |
| 1226 | |
| 1227 | |
| 1228 | |
| 1229 | |
| 1230 | |
| 1231 | |
| 1232 | |
| 1233 | |
| 1234 | |
| 1235 | |
| 1236 | |
| 1237 | |
| 1238 | |
| 1239 | |
| 1240 | |
| 1241 | |
| 1242 | |
| 1243 | |
| 1244 | ParseScope InnerScope(this, Scope::DeclScope, C99orCXX, Tok.is(tok::l_brace)); |
| 1245 | |
| 1246 | |
| 1247 | SourceLocation ThenStmtLoc = Tok.getLocation(); |
| 1248 | |
| 1249 | SourceLocation InnerStatementTrailingElseLoc; |
| 1250 | StmtResult ThenStmt; |
| 1251 | { |
| 1252 | EnterExpressionEvaluationContext PotentiallyDiscarded( |
| 1253 | Actions, Sema::ExpressionEvaluationContext::DiscardedStatement, nullptr, |
| 1254 | Sema::ExpressionEvaluationContextRecord::EK_Other, |
| 1255 | ConstexprCondition && !*ConstexprCondition); |
| 1256 | ThenStmt = ParseStatement(&InnerStatementTrailingElseLoc); |
| 1257 | } |
| 1258 | |
| 1259 | |
| 1260 | InnerScope.Exit(); |
| 1261 | |
| 1262 | |
| 1263 | SourceLocation ElseLoc; |
| 1264 | SourceLocation ElseStmtLoc; |
| 1265 | StmtResult ElseStmt; |
| 1266 | |
| 1267 | if (Tok.is(tok::kw_else)) { |
| 1268 | if (TrailingElseLoc) |
| 1269 | *TrailingElseLoc = Tok.getLocation(); |
| 1270 | |
| 1271 | ElseLoc = ConsumeToken(); |
| 1272 | ElseStmtLoc = Tok.getLocation(); |
| 1273 | |
| 1274 | |
| 1275 | |
| 1276 | |
| 1277 | |
| 1278 | |
| 1279 | |
| 1280 | |
| 1281 | |
| 1282 | |
| 1283 | ParseScope InnerScope(this, Scope::DeclScope, C99orCXX, |
| 1284 | Tok.is(tok::l_brace)); |
| 1285 | |
| 1286 | EnterExpressionEvaluationContext PotentiallyDiscarded( |
| 1287 | Actions, Sema::ExpressionEvaluationContext::DiscardedStatement, nullptr, |
| 1288 | Sema::ExpressionEvaluationContextRecord::EK_Other, |
| 1289 | ConstexprCondition && *ConstexprCondition); |
| 1290 | ElseStmt = ParseStatement(); |
| 1291 | |
| 1292 | |
| 1293 | InnerScope.Exit(); |
| 1294 | } else if (Tok.is(tok::code_completion)) { |
| 1295 | Actions.CodeCompleteAfterIf(getCurScope()); |
| 1296 | cutOffParsing(); |
| 1297 | return StmtError(); |
| 1298 | } else if (InnerStatementTrailingElseLoc.isValid()) { |
| 1299 | Diag(InnerStatementTrailingElseLoc, diag::warn_dangling_else); |
| 1300 | } |
| 1301 | |
| 1302 | IfScope.Exit(); |
| 1303 | |
| 1304 | |
| 1305 | |
| 1306 | |
| 1307 | if ((ThenStmt.isInvalid() && ElseStmt.isInvalid()) || |
| 1308 | (ThenStmt.isInvalid() && ElseStmt.get() == nullptr) || |
| 1309 | (ThenStmt.get() == nullptr && ElseStmt.isInvalid())) { |
| 1310 | |
| 1311 | return StmtError(); |
| 1312 | } |
| 1313 | |
| 1314 | |
| 1315 | if (ThenStmt.isInvalid()) |
| 1316 | ThenStmt = Actions.ActOnNullStmt(ThenStmtLoc); |
| 1317 | if (ElseStmt.isInvalid()) |
| 1318 | ElseStmt = Actions.ActOnNullStmt(ElseStmtLoc); |
| 1319 | |
| 1320 | return Actions.ActOnIfStmt(IfLoc, IsConstexpr, InitStmt.get(), Cond, |
| 1321 | ThenStmt.get(), ElseLoc, ElseStmt.get()); |
| 1322 | } |
| 1323 | |
| 1324 | |
| 1325 | |
| 1326 | |
| 1327 | |
| 1328 | StmtResult Parser::ParseSwitchStatement(SourceLocation *TrailingElseLoc) { |
| 1329 | (0) . __assert_fail ("Tok.is(tok..kw_switch) && \"Not a switch stmt!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 1329, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::kw_switch) && "Not a switch stmt!"); |
| 1330 | SourceLocation SwitchLoc = ConsumeToken(); |
| 1331 | |
| 1332 | if (Tok.isNot(tok::l_paren)) { |
| 1333 | Diag(Tok, diag::err_expected_lparen_after) << "switch"; |
| 1334 | SkipUntil(tok::semi); |
| 1335 | return StmtError(); |
| 1336 | } |
| 1337 | |
| 1338 | bool C99orCXX = getLangOpts().C99 || getLangOpts().CPlusPlus; |
| 1339 | |
| 1340 | |
| 1341 | |
| 1342 | |
| 1343 | |
| 1344 | |
| 1345 | |
| 1346 | |
| 1347 | |
| 1348 | |
| 1349 | |
| 1350 | |
| 1351 | |
| 1352 | unsigned ScopeFlags = Scope::SwitchScope; |
| 1353 | if (C99orCXX) |
| 1354 | ScopeFlags |= Scope::DeclScope | Scope::ControlScope; |
| 1355 | ParseScope SwitchScope(this, ScopeFlags); |
| 1356 | |
| 1357 | |
| 1358 | StmtResult InitStmt; |
| 1359 | Sema::ConditionResult Cond; |
| 1360 | if (ParseParenExprOrCondition(&InitStmt, Cond, SwitchLoc, |
| 1361 | Sema::ConditionKind::Switch)) |
| 1362 | return StmtError(); |
| 1363 | |
| 1364 | StmtResult Switch = |
| 1365 | Actions.ActOnStartOfSwitchStmt(SwitchLoc, InitStmt.get(), Cond); |
| 1366 | |
| 1367 | if (Switch.isInvalid()) { |
| 1368 | |
| 1369 | |
| 1370 | |
| 1371 | |
| 1372 | if (Tok.is(tok::l_brace)) { |
| 1373 | ConsumeBrace(); |
| 1374 | SkipUntil(tok::r_brace); |
| 1375 | } else |
| 1376 | SkipUntil(tok::semi); |
| 1377 | return Switch; |
| 1378 | } |
| 1379 | |
| 1380 | |
| 1381 | |
| 1382 | |
| 1383 | |
| 1384 | |
| 1385 | |
| 1386 | |
| 1387 | |
| 1388 | |
| 1389 | |
| 1390 | |
| 1391 | getCurScope()->AddFlags(Scope::BreakScope); |
| 1392 | ParseScope InnerScope(this, Scope::DeclScope, C99orCXX, Tok.is(tok::l_brace)); |
| 1393 | |
| 1394 | |
| 1395 | |
| 1396 | if (C99orCXX) |
| 1397 | getCurScope()->decrementMSManglingNumber(); |
| 1398 | |
| 1399 | |
| 1400 | StmtResult Body(ParseStatement(TrailingElseLoc)); |
| 1401 | |
| 1402 | |
| 1403 | InnerScope.Exit(); |
| 1404 | SwitchScope.Exit(); |
| 1405 | |
| 1406 | return Actions.ActOnFinishSwitchStmt(SwitchLoc, Switch.get(), Body.get()); |
| 1407 | } |
| 1408 | |
| 1409 | |
| 1410 | |
| 1411 | |
| 1412 | |
| 1413 | StmtResult Parser::ParseWhileStatement(SourceLocation *TrailingElseLoc) { |
| 1414 | (0) . __assert_fail ("Tok.is(tok..kw_while) && \"Not a while stmt!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 1414, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::kw_while) && "Not a while stmt!"); |
| 1415 | SourceLocation WhileLoc = Tok.getLocation(); |
| 1416 | ConsumeToken(); |
| 1417 | |
| 1418 | if (Tok.isNot(tok::l_paren)) { |
| 1419 | Diag(Tok, diag::err_expected_lparen_after) << "while"; |
| 1420 | SkipUntil(tok::semi); |
| 1421 | return StmtError(); |
| 1422 | } |
| 1423 | |
| 1424 | bool C99orCXX = getLangOpts().C99 || getLangOpts().CPlusPlus; |
| 1425 | |
| 1426 | |
| 1427 | |
| 1428 | |
| 1429 | |
| 1430 | |
| 1431 | |
| 1432 | |
| 1433 | |
| 1434 | |
| 1435 | |
| 1436 | |
| 1437 | |
| 1438 | unsigned ScopeFlags; |
| 1439 | if (C99orCXX) |
| 1440 | ScopeFlags = Scope::BreakScope | Scope::ContinueScope | |
| 1441 | Scope::DeclScope | Scope::ControlScope; |
| 1442 | else |
| 1443 | ScopeFlags = Scope::BreakScope | Scope::ContinueScope; |
| 1444 | ParseScope WhileScope(this, ScopeFlags); |
| 1445 | |
| 1446 | |
| 1447 | Sema::ConditionResult Cond; |
| 1448 | if (ParseParenExprOrCondition(nullptr, Cond, WhileLoc, |
| 1449 | Sema::ConditionKind::Boolean)) |
| 1450 | return StmtError(); |
| 1451 | |
| 1452 | |
| 1453 | |
| 1454 | |
| 1455 | |
| 1456 | |
| 1457 | |
| 1458 | |
| 1459 | |
| 1460 | |
| 1461 | |
| 1462 | |
| 1463 | ParseScope InnerScope(this, Scope::DeclScope, C99orCXX, Tok.is(tok::l_brace)); |
| 1464 | |
| 1465 | |
| 1466 | StmtResult Body(ParseStatement(TrailingElseLoc)); |
| 1467 | |
| 1468 | |
| 1469 | InnerScope.Exit(); |
| 1470 | WhileScope.Exit(); |
| 1471 | |
| 1472 | if (Cond.isInvalid() || Body.isInvalid()) |
| 1473 | return StmtError(); |
| 1474 | |
| 1475 | return Actions.ActOnWhileStmt(WhileLoc, Cond, Body.get()); |
| 1476 | } |
| 1477 | |
| 1478 | |
| 1479 | |
| 1480 | |
| 1481 | |
| 1482 | StmtResult Parser::ParseDoStatement() { |
| 1483 | (0) . __assert_fail ("Tok.is(tok..kw_do) && \"Not a do stmt!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 1483, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::kw_do) && "Not a do stmt!"); |
| 1484 | SourceLocation DoLoc = ConsumeToken(); |
| 1485 | |
| 1486 | |
| 1487 | |
| 1488 | unsigned ScopeFlags; |
| 1489 | if (getLangOpts().C99) |
| 1490 | ScopeFlags = Scope::BreakScope | Scope::ContinueScope | Scope::DeclScope; |
| 1491 | else |
| 1492 | ScopeFlags = Scope::BreakScope | Scope::ContinueScope; |
| 1493 | |
| 1494 | ParseScope DoScope(this, ScopeFlags); |
| 1495 | |
| 1496 | |
| 1497 | |
| 1498 | |
| 1499 | |
| 1500 | |
| 1501 | |
| 1502 | |
| 1503 | |
| 1504 | bool C99orCXX = getLangOpts().C99 || getLangOpts().CPlusPlus; |
| 1505 | ParseScope InnerScope(this, Scope::DeclScope, C99orCXX, Tok.is(tok::l_brace)); |
| 1506 | |
| 1507 | |
| 1508 | StmtResult Body(ParseStatement()); |
| 1509 | |
| 1510 | |
| 1511 | InnerScope.Exit(); |
| 1512 | |
| 1513 | if (Tok.isNot(tok::kw_while)) { |
| 1514 | if (!Body.isInvalid()) { |
| 1515 | Diag(Tok, diag::err_expected_while); |
| 1516 | Diag(DoLoc, diag::note_matching) << "'do'"; |
| 1517 | SkipUntil(tok::semi, StopBeforeMatch); |
| 1518 | } |
| 1519 | return StmtError(); |
| 1520 | } |
| 1521 | SourceLocation WhileLoc = ConsumeToken(); |
| 1522 | |
| 1523 | if (Tok.isNot(tok::l_paren)) { |
| 1524 | Diag(Tok, diag::err_expected_lparen_after) << "do/while"; |
| 1525 | SkipUntil(tok::semi, StopBeforeMatch); |
| 1526 | return StmtError(); |
| 1527 | } |
| 1528 | |
| 1529 | |
| 1530 | BalancedDelimiterTracker T(*this, tok::l_paren); |
| 1531 | T.consumeOpen(); |
| 1532 | |
| 1533 | |
| 1534 | DiagnoseAndSkipCXX11Attributes(); |
| 1535 | |
| 1536 | ExprResult Cond = ParseExpression(); |
| 1537 | |
| 1538 | if (Cond.isUsable()) |
| 1539 | Cond = Actions.CorrectDelayedTyposInExpr(Cond); |
| 1540 | T.consumeClose(); |
| 1541 | DoScope.Exit(); |
| 1542 | |
| 1543 | if (Cond.isInvalid() || Body.isInvalid()) |
| 1544 | return StmtError(); |
| 1545 | |
| 1546 | return Actions.ActOnDoStmt(DoLoc, Body.get(), WhileLoc, T.getOpenLocation(), |
| 1547 | Cond.get(), T.getCloseLocation()); |
| 1548 | } |
| 1549 | |
| 1550 | bool Parser::isForRangeIdentifier() { |
| 1551 | assert(Tok.is(tok::identifier)); |
| 1552 | |
| 1553 | const Token &Next = NextToken(); |
| 1554 | if (Next.is(tok::colon)) |
| 1555 | return true; |
| 1556 | |
| 1557 | if (Next.isOneOf(tok::l_square, tok::kw_alignas)) { |
| 1558 | TentativeParsingAction PA(*this); |
| 1559 | ConsumeToken(); |
| 1560 | SkipCXX11Attributes(); |
| 1561 | bool Result = Tok.is(tok::colon); |
| 1562 | PA.Revert(); |
| 1563 | return Result; |
| 1564 | } |
| 1565 | |
| 1566 | return false; |
| 1567 | } |
| 1568 | |
| 1569 | |
| 1570 | |
| 1571 | |
| 1572 | |
| 1573 | |
| 1574 | |
| 1575 | |
| 1576 | |
| 1577 | |
| 1578 | |
| 1579 | |
| 1580 | |
| 1581 | |
| 1582 | |
| 1583 | |
| 1584 | |
| 1585 | |
| 1586 | |
| 1587 | |
| 1588 | |
| 1589 | |
| 1590 | |
| 1591 | StmtResult Parser::ParseForStatement(SourceLocation *TrailingElseLoc) { |
| 1592 | (0) . __assert_fail ("Tok.is(tok..kw_for) && \"Not a for stmt!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 1592, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::kw_for) && "Not a for stmt!"); |
| 1593 | SourceLocation ForLoc = ConsumeToken(); |
| 1594 | |
| 1595 | SourceLocation CoawaitLoc; |
| 1596 | if (Tok.is(tok::kw_co_await)) |
| 1597 | CoawaitLoc = ConsumeToken(); |
| 1598 | |
| 1599 | if (Tok.isNot(tok::l_paren)) { |
| 1600 | Diag(Tok, diag::err_expected_lparen_after) << "for"; |
| 1601 | SkipUntil(tok::semi); |
| 1602 | return StmtError(); |
| 1603 | } |
| 1604 | |
| 1605 | bool C99orCXXorObjC = getLangOpts().C99 || getLangOpts().CPlusPlus || |
| 1606 | getLangOpts().ObjC; |
| 1607 | |
| 1608 | |
| 1609 | |
| 1610 | |
| 1611 | |
| 1612 | |
| 1613 | |
| 1614 | |
| 1615 | |
| 1616 | |
| 1617 | |
| 1618 | |
| 1619 | |
| 1620 | |
| 1621 | |
| 1622 | |
| 1623 | unsigned ScopeFlags = 0; |
| 1624 | if (C99orCXXorObjC) |
| 1625 | ScopeFlags = Scope::DeclScope | Scope::ControlScope; |
| 1626 | |
| 1627 | ParseScope ForScope(this, ScopeFlags); |
| 1628 | |
| 1629 | BalancedDelimiterTracker T(*this, tok::l_paren); |
| 1630 | T.consumeOpen(); |
| 1631 | |
| 1632 | ExprResult Value; |
| 1633 | |
| 1634 | bool ForEach = false; |
| 1635 | StmtResult FirstPart; |
| 1636 | Sema::ConditionResult SecondPart; |
| 1637 | ExprResult Collection; |
| 1638 | ForRangeInfo ForRangeInfo; |
| 1639 | FullExprArg ThirdPart(Actions); |
| 1640 | |
| 1641 | if (Tok.is(tok::code_completion)) { |
| 1642 | Actions.CodeCompleteOrdinaryName(getCurScope(), |
| 1643 | C99orCXXorObjC? Sema::PCC_ForInit |
| 1644 | : Sema::PCC_Expression); |
| 1645 | cutOffParsing(); |
| 1646 | return StmtError(); |
| 1647 | } |
| 1648 | |
| 1649 | ParsedAttributesWithRange attrs(AttrFactory); |
| 1650 | MaybeParseCXX11Attributes(attrs); |
| 1651 | |
| 1652 | SourceLocation EmptyInitStmtSemiLoc; |
| 1653 | |
| 1654 | |
| 1655 | if (Tok.is(tok::semi)) { |
| 1656 | ProhibitAttributes(attrs); |
| 1657 | |
| 1658 | SourceLocation SemiLoc = Tok.getLocation(); |
| 1659 | if (!Tok.hasLeadingEmptyMacro() && !SemiLoc.isMacroID()) |
| 1660 | EmptyInitStmtSemiLoc = SemiLoc; |
| 1661 | ConsumeToken(); |
| 1662 | } else if (getLangOpts().CPlusPlus && Tok.is(tok::identifier) && |
| 1663 | isForRangeIdentifier()) { |
| 1664 | ProhibitAttributes(attrs); |
| 1665 | IdentifierInfo *Name = Tok.getIdentifierInfo(); |
| 1666 | SourceLocation Loc = ConsumeToken(); |
| 1667 | MaybeParseCXX11Attributes(attrs); |
| 1668 | |
| 1669 | ForRangeInfo.ColonLoc = ConsumeToken(); |
| 1670 | if (Tok.is(tok::l_brace)) |
| 1671 | ForRangeInfo.RangeExpr = ParseBraceInitializer(); |
| 1672 | else |
| 1673 | ForRangeInfo.RangeExpr = ParseExpression(); |
| 1674 | |
| 1675 | Diag(Loc, diag::err_for_range_identifier) |
| 1676 | << ((getLangOpts().CPlusPlus11 && !getLangOpts().CPlusPlus17) |
| 1677 | ? FixItHint::CreateInsertion(Loc, "auto &&") |
| 1678 | : FixItHint()); |
| 1679 | |
| 1680 | ForRangeInfo.LoopVar = Actions.ActOnCXXForRangeIdentifier( |
| 1681 | getCurScope(), Loc, Name, attrs, attrs.Range.getEnd()); |
| 1682 | } else if (isForInitDeclaration()) { |
| 1683 | ParenBraceBracketBalancer BalancerRAIIObj(*this); |
| 1684 | |
| 1685 | |
| 1686 | if (!C99orCXXorObjC) { |
| 1687 | Diag(Tok, diag::ext_c99_variable_decl_in_for_loop); |
| 1688 | Diag(Tok, diag::warn_gcc_variable_decl_in_for_loop); |
| 1689 | } |
| 1690 | |
| 1691 | |
| 1692 | bool MightBeForRangeStmt = getLangOpts().CPlusPlus; |
| 1693 | ColonProtectionRAIIObject ColonProtection(*this, MightBeForRangeStmt); |
| 1694 | |
| 1695 | SourceLocation DeclStart = Tok.getLocation(), DeclEnd; |
| 1696 | DeclGroupPtrTy DG = ParseSimpleDeclaration( |
| 1697 | DeclaratorContext::ForContext, DeclEnd, attrs, false, |
| 1698 | MightBeForRangeStmt ? &ForRangeInfo : nullptr); |
| 1699 | FirstPart = Actions.ActOnDeclStmt(DG, DeclStart, Tok.getLocation()); |
| 1700 | if (ForRangeInfo.ParsedForRangeDecl()) { |
| 1701 | Diag(ForRangeInfo.ColonLoc, getLangOpts().CPlusPlus11 ? |
| 1702 | diag::warn_cxx98_compat_for_range : diag::ext_for_range); |
| 1703 | ForRangeInfo.LoopVar = FirstPart; |
| 1704 | FirstPart = StmtResult(); |
| 1705 | } else if (Tok.is(tok::semi)) { |
| 1706 | ConsumeToken(); |
| 1707 | } else if ((ForEach = isTokIdentifier_in())) { |
| 1708 | Actions.ActOnForEachDeclStmt(DG); |
| 1709 | |
| 1710 | ConsumeToken(); |
| 1711 | |
| 1712 | if (Tok.is(tok::code_completion)) { |
| 1713 | Actions.CodeCompleteObjCForCollection(getCurScope(), DG); |
| 1714 | cutOffParsing(); |
| 1715 | return StmtError(); |
| 1716 | } |
| 1717 | Collection = ParseExpression(); |
| 1718 | } else { |
| 1719 | Diag(Tok, diag::err_expected_semi_for); |
| 1720 | } |
| 1721 | } else { |
| 1722 | ProhibitAttributes(attrs); |
| 1723 | Value = Actions.CorrectDelayedTyposInExpr(ParseExpression()); |
| 1724 | |
| 1725 | ForEach = isTokIdentifier_in(); |
| 1726 | |
| 1727 | |
| 1728 | if (!Value.isInvalid()) { |
| 1729 | if (ForEach) |
| 1730 | FirstPart = Actions.ActOnForEachLValueExpr(Value.get()); |
| 1731 | else { |
| 1732 | |
| 1733 | |
| 1734 | |
| 1735 | |
| 1736 | |
| 1737 | bool IsRangeBasedFor = |
| 1738 | getLangOpts().CPlusPlus11 && !ForEach && Tok.is(tok::colon); |
| 1739 | FirstPart = Actions.ActOnExprStmt(Value, !IsRangeBasedFor); |
| 1740 | } |
| 1741 | } |
| 1742 | |
| 1743 | if (Tok.is(tok::semi)) { |
| 1744 | ConsumeToken(); |
| 1745 | } else if (ForEach) { |
| 1746 | ConsumeToken(); |
| 1747 | |
| 1748 | if (Tok.is(tok::code_completion)) { |
| 1749 | Actions.CodeCompleteObjCForCollection(getCurScope(), nullptr); |
| 1750 | cutOffParsing(); |
| 1751 | return StmtError(); |
| 1752 | } |
| 1753 | Collection = ParseExpression(); |
| 1754 | } else if (getLangOpts().CPlusPlus11 && Tok.is(tok::colon) && FirstPart.get()) { |
| 1755 | |
| 1756 | |
| 1757 | Diag(Tok, diag::err_for_range_expected_decl) |
| 1758 | << FirstPart.get()->getSourceRange(); |
| 1759 | SkipUntil(tok::r_paren, StopBeforeMatch); |
| 1760 | SecondPart = Sema::ConditionError(); |
| 1761 | } else { |
| 1762 | if (!Value.isInvalid()) { |
| 1763 | Diag(Tok, diag::err_expected_semi_for); |
| 1764 | } else { |
| 1765 | |
| 1766 | SkipUntil(tok::r_paren, StopAtSemi | StopBeforeMatch); |
| 1767 | if (Tok.is(tok::semi)) |
| 1768 | ConsumeToken(); |
| 1769 | } |
| 1770 | } |
| 1771 | } |
| 1772 | |
| 1773 | |
| 1774 | getCurScope()->AddFlags(Scope::BreakScope | Scope::ContinueScope); |
| 1775 | if (!ForEach && !ForRangeInfo.ParsedForRangeDecl() && |
| 1776 | !SecondPart.isInvalid()) { |
| 1777 | |
| 1778 | if (Tok.is(tok::semi)) { |
| 1779 | |
| 1780 | } else if (Tok.is(tok::r_paren)) { |
| 1781 | |
| 1782 | } else { |
| 1783 | if (getLangOpts().CPlusPlus) { |
| 1784 | |
| 1785 | |
| 1786 | bool MightBeForRangeStmt = !ForRangeInfo.ParsedForRangeDecl(); |
| 1787 | ColonProtectionRAIIObject ColonProtection(*this, MightBeForRangeStmt); |
| 1788 | SecondPart = |
| 1789 | ParseCXXCondition(nullptr, ForLoc, Sema::ConditionKind::Boolean, |
| 1790 | MightBeForRangeStmt ? &ForRangeInfo : nullptr); |
| 1791 | |
| 1792 | if (ForRangeInfo.ParsedForRangeDecl()) { |
| 1793 | Diag(FirstPart.get() ? FirstPart.get()->getBeginLoc() |
| 1794 | : ForRangeInfo.ColonLoc, |
| 1795 | getLangOpts().CPlusPlus2a |
| 1796 | ? diag::warn_cxx17_compat_for_range_init_stmt |
| 1797 | : diag::ext_for_range_init_stmt) |
| 1798 | << (FirstPart.get() ? FirstPart.get()->getSourceRange() |
| 1799 | : SourceRange()); |
| 1800 | if (EmptyInitStmtSemiLoc.isValid()) { |
| 1801 | Diag(EmptyInitStmtSemiLoc, diag::warn_empty_init_statement) |
| 1802 | << 2 |
| 1803 | << FixItHint::CreateRemoval(EmptyInitStmtSemiLoc); |
| 1804 | } |
| 1805 | } |
| 1806 | } else { |
| 1807 | ExprResult SecondExpr = ParseExpression(); |
| 1808 | if (SecondExpr.isInvalid()) |
| 1809 | SecondPart = Sema::ConditionError(); |
| 1810 | else |
| 1811 | SecondPart = |
| 1812 | Actions.ActOnCondition(getCurScope(), ForLoc, SecondExpr.get(), |
| 1813 | Sema::ConditionKind::Boolean); |
| 1814 | } |
| 1815 | } |
| 1816 | } |
| 1817 | |
| 1818 | |
| 1819 | if (!ForEach && !ForRangeInfo.ParsedForRangeDecl()) { |
| 1820 | if (Tok.isNot(tok::semi)) { |
| 1821 | if (!SecondPart.isInvalid()) |
| 1822 | Diag(Tok, diag::err_expected_semi_for); |
| 1823 | else |
| 1824 | |
| 1825 | SkipUntil(tok::r_paren, StopAtSemi | StopBeforeMatch); |
| 1826 | } |
| 1827 | |
| 1828 | if (Tok.is(tok::semi)) { |
| 1829 | ConsumeToken(); |
| 1830 | } |
| 1831 | |
| 1832 | if (Tok.isNot(tok::r_paren)) { |
| 1833 | ExprResult Third = ParseExpression(); |
| 1834 | |
| 1835 | |
| 1836 | ThirdPart = Actions.MakeFullDiscardedValueExpr(Third.get()); |
| 1837 | } |
| 1838 | } |
| 1839 | |
| 1840 | T.consumeClose(); |
| 1841 | |
| 1842 | |
| 1843 | |
| 1844 | if (CoawaitLoc.isValid() && !ForRangeInfo.ParsedForRangeDecl()) { |
| 1845 | Diag(CoawaitLoc, diag::err_for_co_await_not_range_for); |
| 1846 | CoawaitLoc = SourceLocation(); |
| 1847 | } |
| 1848 | |
| 1849 | |
| 1850 | |
| 1851 | |
| 1852 | StmtResult ForRangeStmt; |
| 1853 | StmtResult ForEachStmt; |
| 1854 | |
| 1855 | if (ForRangeInfo.ParsedForRangeDecl()) { |
| 1856 | ExprResult CorrectedRange = |
| 1857 | Actions.CorrectDelayedTyposInExpr(ForRangeInfo.RangeExpr.get()); |
| 1858 | ForRangeStmt = Actions.ActOnCXXForRangeStmt( |
| 1859 | getCurScope(), ForLoc, CoawaitLoc, FirstPart.get(), |
| 1860 | ForRangeInfo.LoopVar.get(), ForRangeInfo.ColonLoc, CorrectedRange.get(), |
| 1861 | T.getCloseLocation(), Sema::BFRK_Build); |
| 1862 | |
| 1863 | |
| 1864 | |
| 1865 | } else if (ForEach) { |
| 1866 | ForEachStmt = Actions.ActOnObjCForCollectionStmt(ForLoc, |
| 1867 | FirstPart.get(), |
| 1868 | Collection.get(), |
| 1869 | T.getCloseLocation()); |
| 1870 | } else { |
| 1871 | |
| 1872 | |
| 1873 | if (getLangOpts().OpenMP && FirstPart.isUsable()) { |
| 1874 | Actions.ActOnOpenMPLoopInitialization(ForLoc, FirstPart.get()); |
| 1875 | } |
| 1876 | } |
| 1877 | |
| 1878 | |
| 1879 | |
| 1880 | |
| 1881 | |
| 1882 | |
| 1883 | |
| 1884 | |
| 1885 | |
| 1886 | |
| 1887 | |
| 1888 | |
| 1889 | ParseScope InnerScope(this, Scope::DeclScope, C99orCXXorObjC, |
| 1890 | Tok.is(tok::l_brace)); |
| 1891 | |
| 1892 | |
| 1893 | |
| 1894 | |
| 1895 | |
| 1896 | if (C99orCXXorObjC) |
| 1897 | getCurScope()->decrementMSManglingNumber(); |
| 1898 | |
| 1899 | |
| 1900 | StmtResult Body(ParseStatement(TrailingElseLoc)); |
| 1901 | |
| 1902 | |
| 1903 | InnerScope.Exit(); |
| 1904 | |
| 1905 | |
| 1906 | ForScope.Exit(); |
| 1907 | |
| 1908 | if (Body.isInvalid()) |
| 1909 | return StmtError(); |
| 1910 | |
| 1911 | if (ForEach) |
| 1912 | return Actions.FinishObjCForCollectionStmt(ForEachStmt.get(), |
| 1913 | Body.get()); |
| 1914 | |
| 1915 | if (ForRangeInfo.ParsedForRangeDecl()) |
| 1916 | return Actions.FinishCXXForRangeStmt(ForRangeStmt.get(), Body.get()); |
| 1917 | |
| 1918 | return Actions.ActOnForStmt(ForLoc, T.getOpenLocation(), FirstPart.get(), |
| 1919 | SecondPart, ThirdPart, T.getCloseLocation(), |
| 1920 | Body.get()); |
| 1921 | } |
| 1922 | |
| 1923 | |
| 1924 | |
| 1925 | |
| 1926 | |
| 1927 | |
| 1928 | |
| 1929 | |
| 1930 | StmtResult Parser::ParseGotoStatement() { |
| 1931 | (0) . __assert_fail ("Tok.is(tok..kw_goto) && \"Not a goto stmt!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 1931, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::kw_goto) && "Not a goto stmt!"); |
| 1932 | SourceLocation GotoLoc = ConsumeToken(); |
| 1933 | |
| 1934 | StmtResult Res; |
| 1935 | if (Tok.is(tok::identifier)) { |
| 1936 | LabelDecl *LD = Actions.LookupOrCreateLabel(Tok.getIdentifierInfo(), |
| 1937 | Tok.getLocation()); |
| 1938 | Res = Actions.ActOnGotoStmt(GotoLoc, Tok.getLocation(), LD); |
| 1939 | ConsumeToken(); |
| 1940 | } else if (Tok.is(tok::star)) { |
| 1941 | |
| 1942 | Diag(Tok, diag::ext_gnu_indirect_goto); |
| 1943 | SourceLocation StarLoc = ConsumeToken(); |
| 1944 | ExprResult R(ParseExpression()); |
| 1945 | if (R.isInvalid()) { |
| 1946 | SkipUntil(tok::semi, StopBeforeMatch); |
| 1947 | return StmtError(); |
| 1948 | } |
| 1949 | Res = Actions.ActOnIndirectGotoStmt(GotoLoc, StarLoc, R.get()); |
| 1950 | } else { |
| 1951 | Diag(Tok, diag::err_expected) << tok::identifier; |
| 1952 | return StmtError(); |
| 1953 | } |
| 1954 | |
| 1955 | return Res; |
| 1956 | } |
| 1957 | |
| 1958 | |
| 1959 | |
| 1960 | |
| 1961 | |
| 1962 | |
| 1963 | |
| 1964 | StmtResult Parser::ParseContinueStatement() { |
| 1965 | SourceLocation ContinueLoc = ConsumeToken(); |
| 1966 | return Actions.ActOnContinueStmt(ContinueLoc, getCurScope()); |
| 1967 | } |
| 1968 | |
| 1969 | |
| 1970 | |
| 1971 | |
| 1972 | |
| 1973 | |
| 1974 | |
| 1975 | StmtResult Parser::ParseBreakStatement() { |
| 1976 | SourceLocation BreakLoc = ConsumeToken(); |
| 1977 | return Actions.ActOnBreakStmt(BreakLoc, getCurScope()); |
| 1978 | } |
| 1979 | |
| 1980 | |
| 1981 | |
| 1982 | |
| 1983 | |
| 1984 | |
| 1985 | |
| 1986 | StmtResult Parser::ParseReturnStatement() { |
| 1987 | (0) . __assert_fail ("(Tok.is(tok..kw_return) || Tok.is(tok..kw_co_return)) && \"Not a return stmt!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 1988, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((Tok.is(tok::kw_return) || Tok.is(tok::kw_co_return)) && |
| 1988 | (0) . __assert_fail ("(Tok.is(tok..kw_return) || Tok.is(tok..kw_co_return)) && \"Not a return stmt!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 1988, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Not a return stmt!"); |
| 1989 | bool IsCoreturn = Tok.is(tok::kw_co_return); |
| 1990 | SourceLocation ReturnLoc = ConsumeToken(); |
| 1991 | |
| 1992 | ExprResult R; |
| 1993 | if (Tok.isNot(tok::semi)) { |
| 1994 | if (!IsCoreturn) |
| 1995 | PreferredType.enterReturn(Actions, Tok.getLocation()); |
| 1996 | |
| 1997 | if (Tok.is(tok::code_completion) && !IsCoreturn) { |
| 1998 | Actions.CodeCompleteExpression(getCurScope(), |
| 1999 | PreferredType.get(Tok.getLocation())); |
| 2000 | cutOffParsing(); |
| 2001 | return StmtError(); |
| 2002 | } |
| 2003 | |
| 2004 | if (Tok.is(tok::l_brace) && getLangOpts().CPlusPlus) { |
| 2005 | R = ParseInitializer(); |
| 2006 | if (R.isUsable()) |
| 2007 | Diag(R.get()->getBeginLoc(), |
| 2008 | getLangOpts().CPlusPlus11 |
| 2009 | ? diag::warn_cxx98_compat_generalized_initializer_lists |
| 2010 | : diag::ext_generalized_initializer_lists) |
| 2011 | << R.get()->getSourceRange(); |
| 2012 | } else |
| 2013 | R = ParseExpression(); |
| 2014 | if (R.isInvalid()) { |
| 2015 | SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch); |
| 2016 | return StmtError(); |
| 2017 | } |
| 2018 | } |
| 2019 | if (IsCoreturn) |
| 2020 | return Actions.ActOnCoreturnStmt(getCurScope(), ReturnLoc, R.get()); |
| 2021 | return Actions.ActOnReturnStmt(ReturnLoc, R.get(), getCurScope()); |
| 2022 | } |
| 2023 | |
| 2024 | StmtResult Parser::ParsePragmaLoopHint(StmtVector &Stmts, |
| 2025 | ParsedStmtContext StmtCtx, |
| 2026 | SourceLocation *TrailingElseLoc, |
| 2027 | ParsedAttributesWithRange &Attrs) { |
| 2028 | |
| 2029 | ParsedAttributesWithRange TempAttrs(AttrFactory); |
| 2030 | |
| 2031 | |
| 2032 | while (Tok.is(tok::annot_pragma_loop_hint)) { |
| 2033 | LoopHint Hint; |
| 2034 | if (!HandlePragmaLoopHint(Hint)) |
| 2035 | continue; |
| 2036 | |
| 2037 | ArgsUnion ArgHints[] = {Hint.PragmaNameLoc, Hint.OptionLoc, Hint.StateLoc, |
| 2038 | ArgsUnion(Hint.ValueExpr)}; |
| 2039 | TempAttrs.addNew(Hint.PragmaNameLoc->Ident, Hint.Range, nullptr, |
| 2040 | Hint.PragmaNameLoc->Loc, ArgHints, 4, |
| 2041 | ParsedAttr::AS_Pragma); |
| 2042 | } |
| 2043 | |
| 2044 | |
| 2045 | MaybeParseCXX11Attributes(Attrs); |
| 2046 | |
| 2047 | StmtResult S = ParseStatementOrDeclarationAfterAttributes( |
| 2048 | Stmts, StmtCtx, TrailingElseLoc, Attrs); |
| 2049 | |
| 2050 | Attrs.takeAllFrom(TempAttrs); |
| 2051 | return S; |
| 2052 | } |
| 2053 | |
| 2054 | Decl *Parser::ParseFunctionStatementBody(Decl *Decl, ParseScope &BodyScope) { |
| 2055 | assert(Tok.is(tok::l_brace)); |
| 2056 | SourceLocation LBraceLoc = Tok.getLocation(); |
| 2057 | |
| 2058 | PrettyDeclStackTraceEntry CrashInfo(Actions.Context, Decl, LBraceLoc, |
| 2059 | "parsing function body"); |
| 2060 | |
| 2061 | |
| 2062 | bool IsCXXMethod = |
| 2063 | getLangOpts().CPlusPlus && Decl && isa<CXXMethodDecl>(Decl); |
| 2064 | Sema::PragmaStackSentinelRAII |
| 2065 | PragmaStackSentinel(Actions, "InternalPragmaState", IsCXXMethod); |
| 2066 | |
| 2067 | |
| 2068 | |
| 2069 | |
| 2070 | StmtResult FnBody(ParseCompoundStatementBody()); |
| 2071 | |
| 2072 | |
| 2073 | if (FnBody.isInvalid()) { |
| 2074 | Sema::CompoundScopeRAII CompoundScope(Actions); |
| 2075 | FnBody = Actions.ActOnCompoundStmt(LBraceLoc, LBraceLoc, None, false); |
| 2076 | } |
| 2077 | |
| 2078 | BodyScope.Exit(); |
| 2079 | return Actions.ActOnFinishFunctionBody(Decl, FnBody.get()); |
| 2080 | } |
| 2081 | |
| 2082 | |
| 2083 | |
| 2084 | |
| 2085 | |
| 2086 | |
| 2087 | Decl *Parser::ParseFunctionTryBlock(Decl *Decl, ParseScope &BodyScope) { |
| 2088 | (0) . __assert_fail ("Tok.is(tok..kw_try) && \"Expected 'try'\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 2088, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::kw_try) && "Expected 'try'"); |
| 2089 | SourceLocation TryLoc = ConsumeToken(); |
| 2090 | |
| 2091 | PrettyDeclStackTraceEntry CrashInfo(Actions.Context, Decl, TryLoc, |
| 2092 | "parsing function try block"); |
| 2093 | |
| 2094 | |
| 2095 | if (Tok.is(tok::colon)) |
| 2096 | ParseConstructorInitializer(Decl); |
| 2097 | else |
| 2098 | Actions.ActOnDefaultCtorInitializers(Decl); |
| 2099 | |
| 2100 | |
| 2101 | bool IsCXXMethod = |
| 2102 | getLangOpts().CPlusPlus && Decl && isa<CXXMethodDecl>(Decl); |
| 2103 | Sema::PragmaStackSentinelRAII |
| 2104 | PragmaStackSentinel(Actions, "InternalPragmaState", IsCXXMethod); |
| 2105 | |
| 2106 | SourceLocation LBraceLoc = Tok.getLocation(); |
| 2107 | StmtResult FnBody(ParseCXXTryBlockCommon(TryLoc, )); |
| 2108 | |
| 2109 | |
| 2110 | if (FnBody.isInvalid()) { |
| 2111 | Sema::CompoundScopeRAII CompoundScope(Actions); |
| 2112 | FnBody = Actions.ActOnCompoundStmt(LBraceLoc, LBraceLoc, None, false); |
| 2113 | } |
| 2114 | |
| 2115 | BodyScope.Exit(); |
| 2116 | return Actions.ActOnFinishFunctionBody(Decl, FnBody.get()); |
| 2117 | } |
| 2118 | |
| 2119 | bool Parser::trySkippingFunctionBody() { |
| 2120 | (0) . __assert_fail ("SkipFunctionBodies && \"Should only be called when SkipFunctionBodies is enabled\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 2121, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(SkipFunctionBodies && |
| 2121 | (0) . __assert_fail ("SkipFunctionBodies && \"Should only be called when SkipFunctionBodies is enabled\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 2121, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Should only be called when SkipFunctionBodies is enabled"); |
| 2122 | if (!PP.isCodeCompletionEnabled()) { |
| 2123 | SkipFunctionBody(); |
| 2124 | return true; |
| 2125 | } |
| 2126 | |
| 2127 | |
| 2128 | |
| 2129 | TentativeParsingAction PA(*this); |
| 2130 | bool IsTryCatch = Tok.is(tok::kw_try); |
| 2131 | CachedTokens Toks; |
| 2132 | bool ErrorInPrologue = ConsumeAndStoreFunctionPrologue(Toks); |
| 2133 | if (llvm::any_of(Toks, [](const Token &Tok) { |
| 2134 | return Tok.is(tok::code_completion); |
| 2135 | })) { |
| 2136 | PA.Revert(); |
| 2137 | return false; |
| 2138 | } |
| 2139 | if (ErrorInPrologue) { |
| 2140 | PA.Commit(); |
| 2141 | SkipMalformedDecl(); |
| 2142 | return true; |
| 2143 | } |
| 2144 | if (!SkipUntil(tok::r_brace, StopAtCodeCompletion)) { |
| 2145 | PA.Revert(); |
| 2146 | return false; |
| 2147 | } |
| 2148 | while (IsTryCatch && Tok.is(tok::kw_catch)) { |
| 2149 | if (!SkipUntil(tok::l_brace, StopAtCodeCompletion) || |
| 2150 | !SkipUntil(tok::r_brace, StopAtCodeCompletion)) { |
| 2151 | PA.Revert(); |
| 2152 | return false; |
| 2153 | } |
| 2154 | } |
| 2155 | PA.Commit(); |
| 2156 | return true; |
| 2157 | } |
| 2158 | |
| 2159 | |
| 2160 | |
| 2161 | |
| 2162 | |
| 2163 | |
| 2164 | StmtResult Parser::ParseCXXTryBlock() { |
| 2165 | (0) . __assert_fail ("Tok.is(tok..kw_try) && \"Expected 'try'\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 2165, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::kw_try) && "Expected 'try'"); |
| 2166 | |
| 2167 | SourceLocation TryLoc = ConsumeToken(); |
| 2168 | return ParseCXXTryBlockCommon(TryLoc); |
| 2169 | } |
| 2170 | |
| 2171 | |
| 2172 | |
| 2173 | |
| 2174 | |
| 2175 | |
| 2176 | |
| 2177 | |
| 2178 | |
| 2179 | |
| 2180 | |
| 2181 | |
| 2182 | |
| 2183 | |
| 2184 | |
| 2185 | |
| 2186 | |
| 2187 | StmtResult Parser::ParseCXXTryBlockCommon(SourceLocation TryLoc, bool FnTry) { |
| 2188 | if (Tok.isNot(tok::l_brace)) |
| 2189 | return StmtError(Diag(Tok, diag::err_expected) << tok::l_brace); |
| 2190 | |
| 2191 | StmtResult TryBlock(ParseCompoundStatement( |
| 2192 | , Scope::DeclScope | Scope::TryScope | |
| 2193 | Scope::CompoundStmtScope | |
| 2194 | (FnTry ? Scope::FnTryCatchScope : 0))); |
| 2195 | if (TryBlock.isInvalid()) |
| 2196 | return TryBlock; |
| 2197 | |
| 2198 | |
| 2199 | |
| 2200 | if ((Tok.is(tok::identifier) && |
| 2201 | Tok.getIdentifierInfo() == getSEHExceptKeyword()) || |
| 2202 | Tok.is(tok::kw___finally)) { |
| 2203 | |
| 2204 | StmtResult Handler; |
| 2205 | if(Tok.getIdentifierInfo() == getSEHExceptKeyword()) { |
| 2206 | SourceLocation Loc = ConsumeToken(); |
| 2207 | Handler = ParseSEHExceptBlock(Loc); |
| 2208 | } |
| 2209 | else { |
| 2210 | SourceLocation Loc = ConsumeToken(); |
| 2211 | Handler = ParseSEHFinallyBlock(Loc); |
| 2212 | } |
| 2213 | if(Handler.isInvalid()) |
| 2214 | return Handler; |
| 2215 | |
| 2216 | return Actions.ActOnSEHTryBlock(true , |
| 2217 | TryLoc, |
| 2218 | TryBlock.get(), |
| 2219 | Handler.get()); |
| 2220 | } |
| 2221 | else { |
| 2222 | StmtVector Handlers; |
| 2223 | |
| 2224 | |
| 2225 | |
| 2226 | DiagnoseAndSkipCXX11Attributes(); |
| 2227 | |
| 2228 | if (Tok.isNot(tok::kw_catch)) |
| 2229 | return StmtError(Diag(Tok, diag::err_expected_catch)); |
| 2230 | while (Tok.is(tok::kw_catch)) { |
| 2231 | StmtResult Handler(ParseCXXCatchBlock(FnTry)); |
| 2232 | if (!Handler.isInvalid()) |
| 2233 | Handlers.push_back(Handler.get()); |
| 2234 | } |
| 2235 | |
| 2236 | |
| 2237 | if (Handlers.empty()) |
| 2238 | return StmtError(); |
| 2239 | |
| 2240 | return Actions.ActOnCXXTryBlock(TryLoc, TryBlock.get(), Handlers); |
| 2241 | } |
| 2242 | } |
| 2243 | |
| 2244 | |
| 2245 | |
| 2246 | |
| 2247 | |
| 2248 | |
| 2249 | |
| 2250 | |
| 2251 | |
| 2252 | |
| 2253 | |
| 2254 | StmtResult Parser::ParseCXXCatchBlock(bool FnCatch) { |
| 2255 | (0) . __assert_fail ("Tok.is(tok..kw_catch) && \"Expected 'catch'\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/ParseStmt.cpp", 2255, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::kw_catch) && "Expected 'catch'"); |
| 2256 | |
| 2257 | SourceLocation CatchLoc = ConsumeToken(); |
| 2258 | |
| 2259 | BalancedDelimiterTracker T(*this, tok::l_paren); |
| 2260 | if (T.expectAndConsume()) |
| 2261 | return StmtError(); |
| 2262 | |
| 2263 | |
| 2264 | |
| 2265 | |
| 2266 | ParseScope CatchScope(this, Scope::DeclScope | Scope::ControlScope | |
| 2267 | Scope::CatchScope | |
| 2268 | (FnCatch ? Scope::FnTryCatchScope : 0)); |
| 2269 | |
| 2270 | |
| 2271 | |
| 2272 | Decl *ExceptionDecl = nullptr; |
| 2273 | if (Tok.isNot(tok::ellipsis)) { |
| 2274 | ParsedAttributesWithRange Attributes(AttrFactory); |
| 2275 | MaybeParseCXX11Attributes(Attributes); |
| 2276 | |
| 2277 | DeclSpec DS(AttrFactory); |
| 2278 | DS.takeAttributesFrom(Attributes); |
| 2279 | |
| 2280 | if (ParseCXXTypeSpecifierSeq(DS)) |
| 2281 | return StmtError(); |
| 2282 | |
| 2283 | Declarator ExDecl(DS, DeclaratorContext::CXXCatchContext); |
| 2284 | ParseDeclarator(ExDecl); |
| 2285 | ExceptionDecl = Actions.ActOnExceptionDeclarator(getCurScope(), ExDecl); |
| 2286 | } else |
| 2287 | ConsumeToken(); |
| 2288 | |
| 2289 | T.consumeClose(); |
| 2290 | if (T.getCloseLocation().isInvalid()) |
| 2291 | return StmtError(); |
| 2292 | |
| 2293 | if (Tok.isNot(tok::l_brace)) |
| 2294 | return StmtError(Diag(Tok, diag::err_expected) << tok::l_brace); |
| 2295 | |
| 2296 | |
| 2297 | StmtResult Block(ParseCompoundStatement()); |
| 2298 | if (Block.isInvalid()) |
| 2299 | return Block; |
| 2300 | |
| 2301 | return Actions.ActOnCXXCatchBlock(CatchLoc, ExceptionDecl, Block.get()); |
| 2302 | } |
| 2303 | |
| 2304 | void Parser::ParseMicrosoftIfExistsStatement(StmtVector &Stmts) { |
| 2305 | IfExistsCondition Result; |
| 2306 | if (ParseMicrosoftIfExistsCondition(Result)) |
| 2307 | return; |
| 2308 | |
| 2309 | |
| 2310 | |
| 2311 | |
| 2312 | |
| 2313 | if (Result.Behavior == IEB_Dependent) { |
| 2314 | if (!Tok.is(tok::l_brace)) { |
| 2315 | Diag(Tok, diag::err_expected) << tok::l_brace; |
| 2316 | return; |
| 2317 | } |
| 2318 | |
| 2319 | StmtResult Compound = ParseCompoundStatement(); |
| 2320 | if (Compound.isInvalid()) |
| 2321 | return; |
| 2322 | |
| 2323 | StmtResult DepResult = Actions.ActOnMSDependentExistsStmt(Result.KeywordLoc, |
| 2324 | Result.IsIfExists, |
| 2325 | Result.SS, |
| 2326 | Result.Name, |
| 2327 | Compound.get()); |
| 2328 | if (DepResult.isUsable()) |
| 2329 | Stmts.push_back(DepResult.get()); |
| 2330 | return; |
| 2331 | } |
| 2332 | |
| 2333 | BalancedDelimiterTracker Braces(*this, tok::l_brace); |
| 2334 | if (Braces.consumeOpen()) { |
| 2335 | Diag(Tok, diag::err_expected) << tok::l_brace; |
| 2336 | return; |
| 2337 | } |
| 2338 | |
| 2339 | switch (Result.Behavior) { |
| 2340 | case IEB_Parse: |
| 2341 | |
| 2342 | break; |
| 2343 | |
| 2344 | case IEB_Dependent: |
| 2345 | llvm_unreachable("Dependent case handled above"); |
| 2346 | |
| 2347 | case IEB_Skip: |
| 2348 | Braces.skipToEnd(); |
| 2349 | return; |
| 2350 | } |
| 2351 | |
| 2352 | |
| 2353 | while (Tok.isNot(tok::r_brace)) { |
| 2354 | StmtResult R = |
| 2355 | ParseStatementOrDeclaration(Stmts, ParsedStmtContext::Compound); |
| 2356 | if (R.isUsable()) |
| 2357 | Stmts.push_back(R.get()); |
| 2358 | } |
| 2359 | Braces.consumeClose(); |
| 2360 | } |
| 2361 | |
| 2362 | bool Parser::ParseOpenCLUnrollHintAttribute(ParsedAttributes &Attrs) { |
| 2363 | MaybeParseGNUAttributes(Attrs); |
| 2364 | |
| 2365 | if (Attrs.empty()) |
| 2366 | return true; |
| 2367 | |
| 2368 | if (Attrs.begin()->getKind() != ParsedAttr::AT_OpenCLUnrollHint) |
| 2369 | return true; |
| 2370 | |
| 2371 | if (!(Tok.is(tok::kw_for) || Tok.is(tok::kw_while) || Tok.is(tok::kw_do))) { |
| 2372 | Diag(Tok, diag::err_opencl_unroll_hint_on_non_loop); |
| 2373 | return false; |
| 2374 | } |
| 2375 | return true; |
| 2376 | } |
| 2377 | |