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| 12 | |
| 13 | #include "clang/Parse/Parser.h" |
| 14 | #include "clang/AST/ASTConsumer.h" |
| 15 | #include "clang/AST/ASTContext.h" |
| 16 | #include "clang/AST/DeclTemplate.h" |
| 17 | #include "clang/Parse/ParseDiagnostic.h" |
| 18 | #include "clang/Parse/RAIIObjectsForParser.h" |
| 19 | #include "clang/Sema/DeclSpec.h" |
| 20 | #include "clang/Sema/ParsedTemplate.h" |
| 21 | #include "clang/Sema/Scope.h" |
| 22 | #include "llvm/Support/Path.h" |
| 23 | using namespace clang; |
| 24 | |
| 25 | |
| 26 | namespace { |
| 27 | |
| 28 | |
| 29 | class ActionCommentHandler : public CommentHandler { |
| 30 | Sema &S; |
| 31 | |
| 32 | public: |
| 33 | explicit ActionCommentHandler(Sema &S) : S(S) { } |
| 34 | |
| 35 | bool HandleComment(Preprocessor &PP, SourceRange ) override { |
| 36 | S.ActOnComment(Comment); |
| 37 | return false; |
| 38 | } |
| 39 | }; |
| 40 | } |
| 41 | |
| 42 | IdentifierInfo *Parser::getSEHExceptKeyword() { |
| 43 | |
| 44 | if (!Ident__except && (getLangOpts().MicrosoftExt || getLangOpts().Borland)) |
| 45 | Ident__except = PP.getIdentifierInfo("__except"); |
| 46 | |
| 47 | return Ident__except; |
| 48 | } |
| 49 | |
| 50 | Parser::Parser(Preprocessor &pp, Sema &actions, bool skipFunctionBodies) |
| 51 | : PP(pp), Actions(actions), Diags(PP.getDiagnostics()), |
| 52 | GreaterThanIsOperator(true), ColonIsSacred(false), |
| 53 | InMessageExpression(false), TemplateParameterDepth(0), |
| 54 | ParsingInObjCContainer(false) { |
| 55 | SkipFunctionBodies = pp.isCodeCompletionEnabled() || skipFunctionBodies; |
| 56 | Tok.startToken(); |
| 57 | Tok.setKind(tok::eof); |
| 58 | Actions.CurScope = nullptr; |
| 59 | NumCachedScopes = 0; |
| 60 | CurParsedObjCImpl = nullptr; |
| 61 | |
| 62 | |
| 63 | |
| 64 | initializePragmaHandlers(); |
| 65 | |
| 66 | CommentSemaHandler.reset(new ActionCommentHandler(actions)); |
| 67 | PP.addCommentHandler(CommentSemaHandler.get()); |
| 68 | |
| 69 | PP.setCodeCompletionHandler(*this); |
| 70 | } |
| 71 | |
| 72 | DiagnosticBuilder Parser::Diag(SourceLocation Loc, unsigned DiagID) { |
| 73 | return Diags.Report(Loc, DiagID); |
| 74 | } |
| 75 | |
| 76 | DiagnosticBuilder Parser::Diag(const Token &Tok, unsigned DiagID) { |
| 77 | return Diag(Tok.getLocation(), DiagID); |
| 78 | } |
| 79 | |
| 80 | |
| 81 | |
| 82 | |
| 83 | |
| 84 | |
| 85 | |
| 86 | void Parser::SuggestParentheses(SourceLocation Loc, unsigned DK, |
| 87 | SourceRange ParenRange) { |
| 88 | SourceLocation EndLoc = PP.getLocForEndOfToken(ParenRange.getEnd()); |
| 89 | if (!ParenRange.getEnd().isFileID() || EndLoc.isInvalid()) { |
| 90 | |
| 91 | |
| 92 | Diag(Loc, DK); |
| 93 | return; |
| 94 | } |
| 95 | |
| 96 | Diag(Loc, DK) |
| 97 | << FixItHint::CreateInsertion(ParenRange.getBegin(), "(") |
| 98 | << FixItHint::CreateInsertion(EndLoc, ")"); |
| 99 | } |
| 100 | |
| 101 | static bool IsCommonTypo(tok::TokenKind ExpectedTok, const Token &Tok) { |
| 102 | switch (ExpectedTok) { |
| 103 | case tok::semi: |
| 104 | return Tok.is(tok::colon) || Tok.is(tok::comma); |
| 105 | default: return false; |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | bool Parser::ExpectAndConsume(tok::TokenKind ExpectedTok, unsigned DiagID, |
| 110 | StringRef Msg) { |
| 111 | if (Tok.is(ExpectedTok) || Tok.is(tok::code_completion)) { |
| 112 | ConsumeAnyToken(); |
| 113 | return false; |
| 114 | } |
| 115 | |
| 116 | |
| 117 | if (IsCommonTypo(ExpectedTok, Tok)) { |
| 118 | SourceLocation Loc = Tok.getLocation(); |
| 119 | { |
| 120 | DiagnosticBuilder DB = Diag(Loc, DiagID); |
| 121 | DB << FixItHint::CreateReplacement( |
| 122 | SourceRange(Loc), tok::getPunctuatorSpelling(ExpectedTok)); |
| 123 | if (DiagID == diag::err_expected) |
| 124 | DB << ExpectedTok; |
| 125 | else if (DiagID == diag::err_expected_after) |
| 126 | DB << Msg << ExpectedTok; |
| 127 | else |
| 128 | DB << Msg; |
| 129 | } |
| 130 | |
| 131 | |
| 132 | ConsumeAnyToken(); |
| 133 | return false; |
| 134 | } |
| 135 | |
| 136 | SourceLocation EndLoc = PP.getLocForEndOfToken(PrevTokLocation); |
| 137 | const char *Spelling = nullptr; |
| 138 | if (EndLoc.isValid()) |
| 139 | Spelling = tok::getPunctuatorSpelling(ExpectedTok); |
| 140 | |
| 141 | DiagnosticBuilder DB = |
| 142 | Spelling |
| 143 | ? Diag(EndLoc, DiagID) << FixItHint::CreateInsertion(EndLoc, Spelling) |
| 144 | : Diag(Tok, DiagID); |
| 145 | if (DiagID == diag::err_expected) |
| 146 | DB << ExpectedTok; |
| 147 | else if (DiagID == diag::err_expected_after) |
| 148 | DB << Msg << ExpectedTok; |
| 149 | else |
| 150 | DB << Msg; |
| 151 | |
| 152 | return true; |
| 153 | } |
| 154 | |
| 155 | bool Parser::ExpectAndConsumeSemi(unsigned DiagID) { |
| 156 | if (TryConsumeToken(tok::semi)) |
| 157 | return false; |
| 158 | |
| 159 | if (Tok.is(tok::code_completion)) { |
| 160 | handleUnexpectedCodeCompletionToken(); |
| 161 | return false; |
| 162 | } |
| 163 | |
| 164 | if ((Tok.is(tok::r_paren) || Tok.is(tok::r_square)) && |
| 165 | NextToken().is(tok::semi)) { |
| 166 | Diag(Tok, diag::err_extraneous_token_before_semi) |
| 167 | << PP.getSpelling(Tok) |
| 168 | << FixItHint::CreateRemoval(Tok.getLocation()); |
| 169 | ConsumeAnyToken(); |
| 170 | ConsumeToken(); |
| 171 | return false; |
| 172 | } |
| 173 | |
| 174 | return ExpectAndConsume(tok::semi, DiagID); |
| 175 | } |
| 176 | |
| 177 | void Parser::(ExtraSemiKind Kind, unsigned TST) { |
| 178 | if (!Tok.is(tok::semi)) return; |
| 179 | |
| 180 | bool HadMultipleSemis = false; |
| 181 | SourceLocation StartLoc = Tok.getLocation(); |
| 182 | SourceLocation EndLoc = Tok.getLocation(); |
| 183 | ConsumeToken(); |
| 184 | |
| 185 | while ((Tok.is(tok::semi) && !Tok.isAtStartOfLine())) { |
| 186 | HadMultipleSemis = true; |
| 187 | EndLoc = Tok.getLocation(); |
| 188 | ConsumeToken(); |
| 189 | } |
| 190 | |
| 191 | |
| 192 | |
| 193 | if (Kind == OutsideFunction && getLangOpts().CPlusPlus) { |
| 194 | if (getLangOpts().CPlusPlus11) |
| 195 | Diag(StartLoc, diag::warn_cxx98_compat_top_level_semi) |
| 196 | << FixItHint::CreateRemoval(SourceRange(StartLoc, EndLoc)); |
| 197 | else |
| 198 | Diag(StartLoc, diag::ext_extra_semi_cxx11) |
| 199 | << FixItHint::CreateRemoval(SourceRange(StartLoc, EndLoc)); |
| 200 | return; |
| 201 | } |
| 202 | |
| 203 | if (Kind != AfterMemberFunctionDefinition || HadMultipleSemis) |
| 204 | Diag(StartLoc, diag::ext_extra_semi) |
| 205 | << Kind << DeclSpec::getSpecifierName((DeclSpec::TST)TST, |
| 206 | Actions.getASTContext().getPrintingPolicy()) |
| 207 | << FixItHint::CreateRemoval(SourceRange(StartLoc, EndLoc)); |
| 208 | else |
| 209 | |
| 210 | Diag(StartLoc, diag::warn_extra_semi_after_mem_fn_def) |
| 211 | << FixItHint::CreateRemoval(SourceRange(StartLoc, EndLoc)); |
| 212 | } |
| 213 | |
| 214 | bool Parser::expectIdentifier() { |
| 215 | if (Tok.is(tok::identifier)) |
| 216 | return false; |
| 217 | if (const auto *II = Tok.getIdentifierInfo()) { |
| 218 | if (II->isCPlusPlusKeyword(getLangOpts())) { |
| 219 | Diag(Tok, diag::err_expected_token_instead_of_objcxx_keyword) |
| 220 | << tok::identifier << Tok.getIdentifierInfo(); |
| 221 | |
| 222 | return false; |
| 223 | } |
| 224 | } |
| 225 | Diag(Tok, diag::err_expected) << tok::identifier; |
| 226 | return true; |
| 227 | } |
| 228 | |
| 229 | |
| 230 | |
| 231 | |
| 232 | |
| 233 | static bool HasFlagsSet(Parser::SkipUntilFlags L, Parser::SkipUntilFlags R) { |
| 234 | return (static_cast<unsigned>(L) & static_cast<unsigned>(R)) != 0; |
| 235 | } |
| 236 | |
| 237 | |
| 238 | |
| 239 | |
| 240 | |
| 241 | |
| 242 | |
| 243 | |
| 244 | |
| 245 | bool Parser::SkipUntil(ArrayRef<tok::TokenKind> Toks, SkipUntilFlags Flags) { |
| 246 | |
| 247 | |
| 248 | bool isFirstTokenSkipped = true; |
| 249 | while (1) { |
| 250 | |
| 251 | for (unsigned i = 0, NumToks = Toks.size(); i != NumToks; ++i) { |
| 252 | if (Tok.is(Toks[i])) { |
| 253 | if (HasFlagsSet(Flags, StopBeforeMatch)) { |
| 254 | |
| 255 | } else { |
| 256 | ConsumeAnyToken(); |
| 257 | } |
| 258 | return true; |
| 259 | } |
| 260 | } |
| 261 | |
| 262 | |
| 263 | |
| 264 | |
| 265 | if (Toks.size() == 1 && Toks[0] == tok::eof && |
| 266 | !HasFlagsSet(Flags, StopAtSemi) && |
| 267 | !HasFlagsSet(Flags, StopAtCodeCompletion)) { |
| 268 | while (Tok.isNot(tok::eof)) |
| 269 | ConsumeAnyToken(); |
| 270 | return true; |
| 271 | } |
| 272 | |
| 273 | switch (Tok.getKind()) { |
| 274 | case tok::eof: |
| 275 | |
| 276 | return false; |
| 277 | |
| 278 | case tok::annot_pragma_openmp: |
| 279 | case tok::annot_pragma_openmp_end: |
| 280 | |
| 281 | case tok::annot_module_begin: |
| 282 | case tok::annot_module_end: |
| 283 | case tok::annot_module_include: |
| 284 | |
| 285 | |
| 286 | |
| 287 | return false; |
| 288 | |
| 289 | case tok::code_completion: |
| 290 | if (!HasFlagsSet(Flags, StopAtCodeCompletion)) |
| 291 | handleUnexpectedCodeCompletionToken(); |
| 292 | return false; |
| 293 | |
| 294 | case tok::l_paren: |
| 295 | |
| 296 | ConsumeParen(); |
| 297 | if (HasFlagsSet(Flags, StopAtCodeCompletion)) |
| 298 | SkipUntil(tok::r_paren, StopAtCodeCompletion); |
| 299 | else |
| 300 | SkipUntil(tok::r_paren); |
| 301 | break; |
| 302 | case tok::l_square: |
| 303 | |
| 304 | ConsumeBracket(); |
| 305 | if (HasFlagsSet(Flags, StopAtCodeCompletion)) |
| 306 | SkipUntil(tok::r_square, StopAtCodeCompletion); |
| 307 | else |
| 308 | SkipUntil(tok::r_square); |
| 309 | break; |
| 310 | case tok::l_brace: |
| 311 | |
| 312 | ConsumeBrace(); |
| 313 | if (HasFlagsSet(Flags, StopAtCodeCompletion)) |
| 314 | SkipUntil(tok::r_brace, StopAtCodeCompletion); |
| 315 | else |
| 316 | SkipUntil(tok::r_brace); |
| 317 | break; |
| 318 | |
| 319 | |
| 320 | |
| 321 | |
| 322 | |
| 323 | |
| 324 | case tok::r_paren: |
| 325 | if (ParenCount && !isFirstTokenSkipped) |
| 326 | return false; |
| 327 | ConsumeParen(); |
| 328 | break; |
| 329 | case tok::r_square: |
| 330 | if (BracketCount && !isFirstTokenSkipped) |
| 331 | return false; |
| 332 | ConsumeBracket(); |
| 333 | break; |
| 334 | case tok::r_brace: |
| 335 | if (BraceCount && !isFirstTokenSkipped) |
| 336 | return false; |
| 337 | ConsumeBrace(); |
| 338 | break; |
| 339 | |
| 340 | case tok::semi: |
| 341 | if (HasFlagsSet(Flags, StopAtSemi)) |
| 342 | return false; |
| 343 | LLVM_FALLTHROUGH; |
| 344 | default: |
| 345 | |
| 346 | ConsumeAnyToken(); |
| 347 | break; |
| 348 | } |
| 349 | isFirstTokenSkipped = false; |
| 350 | } |
| 351 | } |
| 352 | |
| 353 | |
| 354 | |
| 355 | |
| 356 | |
| 357 | |
| 358 | void Parser::EnterScope(unsigned ScopeFlags) { |
| 359 | if (NumCachedScopes) { |
| 360 | Scope *N = ScopeCache[--NumCachedScopes]; |
| 361 | N->Init(getCurScope(), ScopeFlags); |
| 362 | Actions.CurScope = N; |
| 363 | } else { |
| 364 | Actions.CurScope = new Scope(getCurScope(), ScopeFlags, Diags); |
| 365 | } |
| 366 | } |
| 367 | |
| 368 | |
| 369 | void Parser::ExitScope() { |
| 370 | (0) . __assert_fail ("getCurScope() && \"Scope imbalance!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 370, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(getCurScope() && "Scope imbalance!"); |
| 371 | |
| 372 | |
| 373 | |
| 374 | Actions.ActOnPopScope(Tok.getLocation(), getCurScope()); |
| 375 | |
| 376 | Scope *OldScope = getCurScope(); |
| 377 | Actions.CurScope = OldScope->getParent(); |
| 378 | |
| 379 | if (NumCachedScopes == ScopeCacheSize) |
| 380 | delete OldScope; |
| 381 | else |
| 382 | ScopeCache[NumCachedScopes++] = OldScope; |
| 383 | } |
| 384 | |
| 385 | |
| 386 | |
| 387 | Parser::ParseScopeFlags::ParseScopeFlags(Parser *Self, unsigned ScopeFlags, |
| 388 | bool ManageFlags) |
| 389 | : CurScope(ManageFlags ? Self->getCurScope() : nullptr) { |
| 390 | if (CurScope) { |
| 391 | OldFlags = CurScope->getFlags(); |
| 392 | CurScope->setFlags(ScopeFlags); |
| 393 | } |
| 394 | } |
| 395 | |
| 396 | |
| 397 | |
| 398 | Parser::ParseScopeFlags::~ParseScopeFlags() { |
| 399 | if (CurScope) |
| 400 | CurScope->setFlags(OldFlags); |
| 401 | } |
| 402 | |
| 403 | |
| 404 | |
| 405 | |
| 406 | |
| 407 | |
| 408 | Parser::~Parser() { |
| 409 | |
| 410 | delete getCurScope(); |
| 411 | Actions.CurScope = nullptr; |
| 412 | |
| 413 | |
| 414 | for (unsigned i = 0, e = NumCachedScopes; i != e; ++i) |
| 415 | delete ScopeCache[i]; |
| 416 | |
| 417 | resetPragmaHandlers(); |
| 418 | |
| 419 | PP.removeCommentHandler(CommentSemaHandler.get()); |
| 420 | |
| 421 | PP.clearCodeCompletionHandler(); |
| 422 | |
| 423 | if (getLangOpts().DelayedTemplateParsing && |
| 424 | !PP.isIncrementalProcessingEnabled() && !TemplateIds.empty()) { |
| 425 | |
| 426 | |
| 427 | |
| 428 | |
| 429 | DestroyTemplateIdAnnotationsRAIIObj CleanupRAII(TemplateIds); |
| 430 | } |
| 431 | |
| 432 | (0) . __assert_fail ("TemplateIds.empty() && \"Still alive TemplateIdAnnotations around?\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 432, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(TemplateIds.empty() && "Still alive TemplateIdAnnotations around?"); |
| 433 | } |
| 434 | |
| 435 | |
| 436 | |
| 437 | void Parser::Initialize() { |
| 438 | |
| 439 | (0) . __assert_fail ("getCurScope() == nullptr && \"A scope is already active?\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 439, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(getCurScope() == nullptr && "A scope is already active?"); |
| 440 | EnterScope(Scope::DeclScope); |
| 441 | Actions.ActOnTranslationUnitScope(getCurScope()); |
| 442 | |
| 443 | |
| 444 | |
| 445 | if (getLangOpts().ObjC) { |
| 446 | ObjCTypeQuals[objc_in] = &PP.getIdentifierTable().get("in"); |
| 447 | ObjCTypeQuals[objc_out] = &PP.getIdentifierTable().get("out"); |
| 448 | ObjCTypeQuals[objc_inout] = &PP.getIdentifierTable().get("inout"); |
| 449 | ObjCTypeQuals[objc_oneway] = &PP.getIdentifierTable().get("oneway"); |
| 450 | ObjCTypeQuals[objc_bycopy] = &PP.getIdentifierTable().get("bycopy"); |
| 451 | ObjCTypeQuals[objc_byref] = &PP.getIdentifierTable().get("byref"); |
| 452 | ObjCTypeQuals[objc_nonnull] = &PP.getIdentifierTable().get("nonnull"); |
| 453 | ObjCTypeQuals[objc_nullable] = &PP.getIdentifierTable().get("nullable"); |
| 454 | ObjCTypeQuals[objc_null_unspecified] |
| 455 | = &PP.getIdentifierTable().get("null_unspecified"); |
| 456 | } |
| 457 | |
| 458 | Ident_instancetype = nullptr; |
| 459 | Ident_final = nullptr; |
| 460 | Ident_sealed = nullptr; |
| 461 | Ident_override = nullptr; |
| 462 | Ident_GNU_final = nullptr; |
| 463 | |
| 464 | Ident_super = &PP.getIdentifierTable().get("super"); |
| 465 | |
| 466 | Ident_vector = nullptr; |
| 467 | Ident_bool = nullptr; |
| 468 | Ident_pixel = nullptr; |
| 469 | if (getLangOpts().AltiVec || getLangOpts().ZVector) { |
| 470 | Ident_vector = &PP.getIdentifierTable().get("vector"); |
| 471 | Ident_bool = &PP.getIdentifierTable().get("bool"); |
| 472 | } |
| 473 | if (getLangOpts().AltiVec) |
| 474 | Ident_pixel = &PP.getIdentifierTable().get("pixel"); |
| 475 | |
| 476 | Ident_introduced = nullptr; |
| 477 | Ident_deprecated = nullptr; |
| 478 | Ident_obsoleted = nullptr; |
| 479 | Ident_unavailable = nullptr; |
| 480 | Ident_strict = nullptr; |
| 481 | Ident_replacement = nullptr; |
| 482 | |
| 483 | Ident_language = Ident_defined_in = Ident_generated_declaration = nullptr; |
| 484 | |
| 485 | Ident__except = nullptr; |
| 486 | |
| 487 | Ident__exception_code = Ident__exception_info = nullptr; |
| 488 | Ident__abnormal_termination = Ident___exception_code = nullptr; |
| 489 | Ident___exception_info = Ident___abnormal_termination = nullptr; |
| 490 | Ident_GetExceptionCode = Ident_GetExceptionInfo = nullptr; |
| 491 | Ident_AbnormalTermination = nullptr; |
| 492 | |
| 493 | if(getLangOpts().Borland) { |
| 494 | Ident__exception_info = PP.getIdentifierInfo("_exception_info"); |
| 495 | Ident___exception_info = PP.getIdentifierInfo("__exception_info"); |
| 496 | Ident_GetExceptionInfo = PP.getIdentifierInfo("GetExceptionInformation"); |
| 497 | Ident__exception_code = PP.getIdentifierInfo("_exception_code"); |
| 498 | Ident___exception_code = PP.getIdentifierInfo("__exception_code"); |
| 499 | Ident_GetExceptionCode = PP.getIdentifierInfo("GetExceptionCode"); |
| 500 | Ident__abnormal_termination = PP.getIdentifierInfo("_abnormal_termination"); |
| 501 | Ident___abnormal_termination = PP.getIdentifierInfo("__abnormal_termination"); |
| 502 | Ident_AbnormalTermination = PP.getIdentifierInfo("AbnormalTermination"); |
| 503 | |
| 504 | PP.SetPoisonReason(Ident__exception_code,diag::err_seh___except_block); |
| 505 | PP.SetPoisonReason(Ident___exception_code,diag::err_seh___except_block); |
| 506 | PP.SetPoisonReason(Ident_GetExceptionCode,diag::err_seh___except_block); |
| 507 | PP.SetPoisonReason(Ident__exception_info,diag::err_seh___except_filter); |
| 508 | PP.SetPoisonReason(Ident___exception_info,diag::err_seh___except_filter); |
| 509 | PP.SetPoisonReason(Ident_GetExceptionInfo,diag::err_seh___except_filter); |
| 510 | PP.SetPoisonReason(Ident__abnormal_termination,diag::err_seh___finally_block); |
| 511 | PP.SetPoisonReason(Ident___abnormal_termination,diag::err_seh___finally_block); |
| 512 | PP.SetPoisonReason(Ident_AbnormalTermination,diag::err_seh___finally_block); |
| 513 | } |
| 514 | |
| 515 | Actions.Initialize(); |
| 516 | |
| 517 | |
| 518 | ConsumeToken(); |
| 519 | } |
| 520 | |
| 521 | void Parser::LateTemplateParserCleanupCallback(void *P) { |
| 522 | |
| 523 | |
| 524 | |
| 525 | DestroyTemplateIdAnnotationsRAIIObj CleanupRAII(((Parser *)P)->TemplateIds); |
| 526 | } |
| 527 | |
| 528 | bool Parser::ParseFirstTopLevelDecl(DeclGroupPtrTy &Result) { |
| 529 | Actions.ActOnStartOfTranslationUnit(); |
| 530 | |
| 531 | |
| 532 | |
| 533 | |
| 534 | |
| 535 | bool NoTopLevelDecls = ParseTopLevelDecl(Result); |
| 536 | if (NoTopLevelDecls && !Actions.getASTContext().getExternalSource() && |
| 537 | !getLangOpts().CPlusPlus) |
| 538 | Diag(diag::ext_empty_translation_unit); |
| 539 | |
| 540 | return NoTopLevelDecls; |
| 541 | } |
| 542 | |
| 543 | |
| 544 | |
| 545 | bool Parser::ParseTopLevelDecl(DeclGroupPtrTy &Result) { |
| 546 | DestroyTemplateIdAnnotationsRAIIObj CleanupRAII(TemplateIds); |
| 547 | |
| 548 | |
| 549 | |
| 550 | if (PP.isIncrementalProcessingEnabled() && Tok.is(tok::eof)) |
| 551 | ConsumeToken(); |
| 552 | |
| 553 | Result = nullptr; |
| 554 | switch (Tok.getKind()) { |
| 555 | case tok::annot_pragma_unused: |
| 556 | HandlePragmaUnused(); |
| 557 | return false; |
| 558 | |
| 559 | case tok::kw_export: |
| 560 | if (NextToken().isNot(tok::kw_module)) |
| 561 | break; |
| 562 | LLVM_FALLTHROUGH; |
| 563 | case tok::kw_module: |
| 564 | Result = ParseModuleDecl(); |
| 565 | return false; |
| 566 | |
| 567 | case tok::annot_module_include: |
| 568 | Actions.ActOnModuleInclude(Tok.getLocation(), |
| 569 | reinterpret_cast<Module *>( |
| 570 | Tok.getAnnotationValue())); |
| 571 | ConsumeAnnotationToken(); |
| 572 | return false; |
| 573 | |
| 574 | case tok::annot_module_begin: |
| 575 | Actions.ActOnModuleBegin(Tok.getLocation(), reinterpret_cast<Module *>( |
| 576 | Tok.getAnnotationValue())); |
| 577 | ConsumeAnnotationToken(); |
| 578 | return false; |
| 579 | |
| 580 | case tok::annot_module_end: |
| 581 | Actions.ActOnModuleEnd(Tok.getLocation(), reinterpret_cast<Module *>( |
| 582 | Tok.getAnnotationValue())); |
| 583 | ConsumeAnnotationToken(); |
| 584 | return false; |
| 585 | |
| 586 | case tok::eof: |
| 587 | |
| 588 | if (getLangOpts().DelayedTemplateParsing) |
| 589 | Actions.SetLateTemplateParser(LateTemplateParserCallback, |
| 590 | PP.isIncrementalProcessingEnabled() ? |
| 591 | LateTemplateParserCleanupCallback : nullptr, |
| 592 | this); |
| 593 | if (!PP.isIncrementalProcessingEnabled()) |
| 594 | Actions.ActOnEndOfTranslationUnit(); |
| 595 | |
| 596 | return true; |
| 597 | |
| 598 | default: |
| 599 | break; |
| 600 | } |
| 601 | |
| 602 | ParsedAttributesWithRange attrs(AttrFactory); |
| 603 | MaybeParseCXX11Attributes(attrs); |
| 604 | |
| 605 | Result = ParseExternalDeclaration(attrs); |
| 606 | return false; |
| 607 | } |
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| 633 | |
| 634 | |
| 635 | Parser::DeclGroupPtrTy |
| 636 | Parser::ParseExternalDeclaration(ParsedAttributesWithRange &attrs, |
| 637 | ParsingDeclSpec *DS) { |
| 638 | DestroyTemplateIdAnnotationsRAIIObj CleanupRAII(TemplateIds); |
| 639 | ParenBraceBracketBalancer BalancerRAIIObj(*this); |
| 640 | |
| 641 | if (PP.isCodeCompletionReached()) { |
| 642 | cutOffParsing(); |
| 643 | return nullptr; |
| 644 | } |
| 645 | |
| 646 | Decl *SingleDecl = nullptr; |
| 647 | switch (Tok.getKind()) { |
| 648 | case tok::annot_pragma_vis: |
| 649 | HandlePragmaVisibility(); |
| 650 | return nullptr; |
| 651 | case tok::annot_pragma_pack: |
| 652 | HandlePragmaPack(); |
| 653 | return nullptr; |
| 654 | case tok::annot_pragma_msstruct: |
| 655 | HandlePragmaMSStruct(); |
| 656 | return nullptr; |
| 657 | case tok::annot_pragma_align: |
| 658 | HandlePragmaAlign(); |
| 659 | return nullptr; |
| 660 | case tok::annot_pragma_weak: |
| 661 | HandlePragmaWeak(); |
| 662 | return nullptr; |
| 663 | case tok::annot_pragma_weakalias: |
| 664 | HandlePragmaWeakAlias(); |
| 665 | return nullptr; |
| 666 | case tok::annot_pragma_redefine_extname: |
| 667 | HandlePragmaRedefineExtname(); |
| 668 | return nullptr; |
| 669 | case tok::annot_pragma_fp_contract: |
| 670 | HandlePragmaFPContract(); |
| 671 | return nullptr; |
| 672 | case tok::annot_pragma_fenv_access: |
| 673 | HandlePragmaFEnvAccess(); |
| 674 | return nullptr; |
| 675 | case tok::annot_pragma_fp: |
| 676 | HandlePragmaFP(); |
| 677 | break; |
| 678 | case tok::annot_pragma_opencl_extension: |
| 679 | HandlePragmaOpenCLExtension(); |
| 680 | return nullptr; |
| 681 | case tok::annot_pragma_openmp: { |
| 682 | AccessSpecifier AS = AS_none; |
| 683 | return ParseOpenMPDeclarativeDirectiveWithExtDecl(AS, attrs); |
| 684 | } |
| 685 | case tok::annot_pragma_ms_pointers_to_members: |
| 686 | HandlePragmaMSPointersToMembers(); |
| 687 | return nullptr; |
| 688 | case tok::annot_pragma_ms_vtordisp: |
| 689 | HandlePragmaMSVtorDisp(); |
| 690 | return nullptr; |
| 691 | case tok::annot_pragma_ms_pragma: |
| 692 | HandlePragmaMSPragma(); |
| 693 | return nullptr; |
| 694 | case tok::annot_pragma_dump: |
| 695 | HandlePragmaDump(); |
| 696 | return nullptr; |
| 697 | case tok::annot_pragma_attribute: |
| 698 | HandlePragmaAttribute(); |
| 699 | return nullptr; |
| 700 | case tok::semi: |
| 701 | |
| 702 | SingleDecl = |
| 703 | Actions.ActOnEmptyDeclaration(getCurScope(), attrs, Tok.getLocation()); |
| 704 | ConsumeExtraSemi(OutsideFunction); |
| 705 | break; |
| 706 | case tok::r_brace: |
| 707 | Diag(Tok, diag::err_extraneous_closing_brace); |
| 708 | ConsumeBrace(); |
| 709 | return nullptr; |
| 710 | case tok::eof: |
| 711 | Diag(Tok, diag::err_expected_external_declaration); |
| 712 | return nullptr; |
| 713 | case tok::kw___extension__: { |
| 714 | |
| 715 | ExtensionRAIIObject O(Diags); |
| 716 | ConsumeToken(); |
| 717 | return ParseExternalDeclaration(attrs); |
| 718 | } |
| 719 | case tok::kw_asm: { |
| 720 | ProhibitAttributes(attrs); |
| 721 | |
| 722 | SourceLocation StartLoc = Tok.getLocation(); |
| 723 | SourceLocation EndLoc; |
| 724 | |
| 725 | ExprResult Result(ParseSimpleAsm(&EndLoc)); |
| 726 | |
| 727 | |
| 728 | |
| 729 | |
| 730 | if (!(getLangOpts().GNUAsm || Result.isInvalid())) { |
| 731 | const auto *SL = cast<StringLiteral>(Result.get()); |
| 732 | if (!SL->getString().trim().empty()) |
| 733 | Diag(StartLoc, diag::err_gnu_inline_asm_disabled); |
| 734 | } |
| 735 | |
| 736 | ExpectAndConsume(tok::semi, diag::err_expected_after, |
| 737 | "top-level asm block"); |
| 738 | |
| 739 | if (Result.isInvalid()) |
| 740 | return nullptr; |
| 741 | SingleDecl = Actions.ActOnFileScopeAsmDecl(Result.get(), StartLoc, EndLoc); |
| 742 | break; |
| 743 | } |
| 744 | case tok::at: |
| 745 | return ParseObjCAtDirectives(attrs); |
| 746 | case tok::minus: |
| 747 | case tok::plus: |
| 748 | if (!getLangOpts().ObjC) { |
| 749 | Diag(Tok, diag::err_expected_external_declaration); |
| 750 | ConsumeToken(); |
| 751 | return nullptr; |
| 752 | } |
| 753 | SingleDecl = ParseObjCMethodDefinition(); |
| 754 | break; |
| 755 | case tok::code_completion: |
| 756 | if (CurParsedObjCImpl) { |
| 757 | |
| 758 | Actions.CodeCompleteObjCMethodDecl(getCurScope(), |
| 759 | None, |
| 760 | ); |
| 761 | } |
| 762 | Actions.CodeCompleteOrdinaryName( |
| 763 | getCurScope(), |
| 764 | CurParsedObjCImpl ? Sema::PCC_ObjCImplementation : Sema::PCC_Namespace); |
| 765 | cutOffParsing(); |
| 766 | return nullptr; |
| 767 | case tok::kw_import: |
| 768 | SingleDecl = ParseModuleImport(SourceLocation()); |
| 769 | break; |
| 770 | case tok::kw_export: |
| 771 | if (getLangOpts().ModulesTS) { |
| 772 | SingleDecl = ParseExportDeclaration(); |
| 773 | break; |
| 774 | } |
| 775 | |
| 776 | |
| 777 | LLVM_FALLTHROUGH; |
| 778 | case tok::kw_using: |
| 779 | case tok::kw_namespace: |
| 780 | case tok::kw_typedef: |
| 781 | case tok::kw_template: |
| 782 | case tok::kw_static_assert: |
| 783 | case tok::kw__Static_assert: |
| 784 | |
| 785 | { |
| 786 | SourceLocation DeclEnd; |
| 787 | return ParseDeclaration(DeclaratorContext::FileContext, DeclEnd, attrs); |
| 788 | } |
| 789 | |
| 790 | case tok::kw_static: |
| 791 | |
| 792 | |
| 793 | if (getLangOpts().CPlusPlus && NextToken().is(tok::kw_template)) { |
| 794 | Diag(ConsumeToken(), diag::warn_static_inline_explicit_inst_ignored) |
| 795 | << 0; |
| 796 | SourceLocation DeclEnd; |
| 797 | return ParseDeclaration(DeclaratorContext::FileContext, DeclEnd, attrs); |
| 798 | } |
| 799 | goto dont_know; |
| 800 | |
| 801 | case tok::kw_inline: |
| 802 | if (getLangOpts().CPlusPlus) { |
| 803 | tok::TokenKind NextKind = NextToken().getKind(); |
| 804 | |
| 805 | |
| 806 | if (NextKind == tok::kw_namespace) { |
| 807 | SourceLocation DeclEnd; |
| 808 | return ParseDeclaration(DeclaratorContext::FileContext, DeclEnd, attrs); |
| 809 | } |
| 810 | |
| 811 | |
| 812 | |
| 813 | if (NextKind == tok::kw_template) { |
| 814 | Diag(ConsumeToken(), diag::warn_static_inline_explicit_inst_ignored) |
| 815 | << 1; |
| 816 | SourceLocation DeclEnd; |
| 817 | return ParseDeclaration(DeclaratorContext::FileContext, DeclEnd, attrs); |
| 818 | } |
| 819 | } |
| 820 | goto dont_know; |
| 821 | |
| 822 | case tok::kw_extern: |
| 823 | if (getLangOpts().CPlusPlus && NextToken().is(tok::kw_template)) { |
| 824 | |
| 825 | SourceLocation ExternLoc = ConsumeToken(); |
| 826 | SourceLocation TemplateLoc = ConsumeToken(); |
| 827 | Diag(ExternLoc, getLangOpts().CPlusPlus11 ? |
| 828 | diag::warn_cxx98_compat_extern_template : |
| 829 | diag::ext_extern_template) << SourceRange(ExternLoc, TemplateLoc); |
| 830 | SourceLocation DeclEnd; |
| 831 | return Actions.ConvertDeclToDeclGroup( |
| 832 | ParseExplicitInstantiation(DeclaratorContext::FileContext, ExternLoc, |
| 833 | TemplateLoc, DeclEnd, attrs)); |
| 834 | } |
| 835 | goto dont_know; |
| 836 | |
| 837 | case tok::kw___if_exists: |
| 838 | case tok::kw___if_not_exists: |
| 839 | ParseMicrosoftIfExistsExternalDeclaration(); |
| 840 | return nullptr; |
| 841 | |
| 842 | case tok::kw_module: |
| 843 | Diag(Tok, diag::err_unexpected_module_decl); |
| 844 | SkipUntil(tok::semi); |
| 845 | return nullptr; |
| 846 | |
| 847 | default: |
| 848 | dont_know: |
| 849 | if (Tok.isEditorPlaceholder()) { |
| 850 | ConsumeToken(); |
| 851 | return nullptr; |
| 852 | } |
| 853 | |
| 854 | return ParseDeclarationOrFunctionDefinition(attrs, DS); |
| 855 | } |
| 856 | |
| 857 | |
| 858 | |
| 859 | return Actions.ConvertDeclToDeclGroup(SingleDecl); |
| 860 | } |
| 861 | |
| 862 | |
| 863 | |
| 864 | bool Parser::isDeclarationAfterDeclarator() { |
| 865 | |
| 866 | if (getLangOpts().CPlusPlus && Tok.is(tok::equal)) { |
| 867 | const Token &KW = NextToken(); |
| 868 | if (KW.is(tok::kw_default) || KW.is(tok::kw_delete)) |
| 869 | return false; |
| 870 | } |
| 871 | |
| 872 | return Tok.is(tok::equal) || |
| 873 | Tok.is(tok::comma) || |
| 874 | Tok.is(tok::semi) || |
| 875 | Tok.is(tok::kw_asm) || |
| 876 | Tok.is(tok::kw___attribute) || |
| 877 | (getLangOpts().CPlusPlus && |
| 878 | Tok.is(tok::l_paren)); |
| 879 | } |
| 880 | |
| 881 | |
| 882 | |
| 883 | bool Parser::isStartOfFunctionDefinition(const ParsingDeclarator &Declarator) { |
| 884 | (0) . __assert_fail ("Declarator.isFunctionDeclarator() && \"Isn't a function declarator\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 884, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Declarator.isFunctionDeclarator() && "Isn't a function declarator"); |
| 885 | if (Tok.is(tok::l_brace)) |
| 886 | return true; |
| 887 | |
| 888 | |
| 889 | if (!getLangOpts().CPlusPlus && |
| 890 | Declarator.getFunctionTypeInfo().isKNRPrototype()) |
| 891 | return isDeclarationSpecifier(); |
| 892 | |
| 893 | if (getLangOpts().CPlusPlus && Tok.is(tok::equal)) { |
| 894 | const Token &KW = NextToken(); |
| 895 | return KW.is(tok::kw_default) || KW.is(tok::kw_delete); |
| 896 | } |
| 897 | |
| 898 | return Tok.is(tok::colon) || |
| 899 | Tok.is(tok::kw_try); |
| 900 | } |
| 901 | |
| 902 | |
| 903 | |
| 904 | |
| 905 | |
| 906 | |
| 907 | |
| 908 | |
| 909 | |
| 910 | |
| 911 | |
| 912 | |
| 913 | |
| 914 | |
| 915 | |
| 916 | |
| 917 | |
| 918 | Parser::DeclGroupPtrTy |
| 919 | Parser::ParseDeclOrFunctionDefInternal(ParsedAttributesWithRange &attrs, |
| 920 | ParsingDeclSpec &DS, |
| 921 | AccessSpecifier AS) { |
| 922 | MaybeParseMicrosoftAttributes(DS.getAttributes()); |
| 923 | |
| 924 | ParseDeclarationSpecifiers(DS, ParsedTemplateInfo(), AS, |
| 925 | DeclSpecContext::DSC_top_level); |
| 926 | |
| 927 | |
| 928 | |
| 929 | if (DS.hasTagDefinition() && DiagnoseMissingSemiAfterTagDefinition( |
| 930 | DS, AS, DeclSpecContext::DSC_top_level)) |
| 931 | return nullptr; |
| 932 | |
| 933 | |
| 934 | |
| 935 | if (Tok.is(tok::semi)) { |
| 936 | auto LengthOfTSTToken = [](DeclSpec::TST TKind) { |
| 937 | assert(DeclSpec::isDeclRep(TKind)); |
| 938 | switch(TKind) { |
| 939 | case DeclSpec::TST_class: |
| 940 | return 5; |
| 941 | case DeclSpec::TST_struct: |
| 942 | return 6; |
| 943 | case DeclSpec::TST_union: |
| 944 | return 5; |
| 945 | case DeclSpec::TST_enum: |
| 946 | return 4; |
| 947 | case DeclSpec::TST_interface: |
| 948 | return 9; |
| 949 | default: |
| 950 | llvm_unreachable("we only expect to get the length of the class/struct/union/enum"); |
| 951 | } |
| 952 | |
| 953 | }; |
| 954 | |
| 955 | SourceLocation CorrectLocationForAttributes = |
| 956 | DeclSpec::isDeclRep(DS.getTypeSpecType()) |
| 957 | ? DS.getTypeSpecTypeLoc().getLocWithOffset( |
| 958 | LengthOfTSTToken(DS.getTypeSpecType())) |
| 959 | : SourceLocation(); |
| 960 | ProhibitAttributes(attrs, CorrectLocationForAttributes); |
| 961 | ConsumeToken(); |
| 962 | RecordDecl *AnonRecord = nullptr; |
| 963 | Decl *TheDecl = Actions.ParsedFreeStandingDeclSpec(getCurScope(), AS_none, |
| 964 | DS, AnonRecord); |
| 965 | DS.complete(TheDecl); |
| 966 | if (getLangOpts().OpenCL) |
| 967 | Actions.setCurrentOpenCLExtensionForDecl(TheDecl); |
| 968 | if (AnonRecord) { |
| 969 | Decl* decls[] = {AnonRecord, TheDecl}; |
| 970 | return Actions.BuildDeclaratorGroup(decls); |
| 971 | } |
| 972 | return Actions.ConvertDeclToDeclGroup(TheDecl); |
| 973 | } |
| 974 | |
| 975 | DS.takeAttributesFrom(attrs); |
| 976 | |
| 977 | |
| 978 | |
| 979 | |
| 980 | if (getLangOpts().ObjC && Tok.is(tok::at)) { |
| 981 | SourceLocation AtLoc = ConsumeToken(); |
| 982 | if (!Tok.isObjCAtKeyword(tok::objc_interface) && |
| 983 | !Tok.isObjCAtKeyword(tok::objc_protocol)) { |
| 984 | Diag(Tok, diag::err_objc_unexpected_attr); |
| 985 | SkipUntil(tok::semi); |
| 986 | return nullptr; |
| 987 | } |
| 988 | |
| 989 | DS.abort(); |
| 990 | |
| 991 | const char *PrevSpec = nullptr; |
| 992 | unsigned DiagID; |
| 993 | if (DS.SetTypeSpecType(DeclSpec::TST_unspecified, AtLoc, PrevSpec, DiagID, |
| 994 | Actions.getASTContext().getPrintingPolicy())) |
| 995 | Diag(AtLoc, DiagID) << PrevSpec; |
| 996 | |
| 997 | if (Tok.isObjCAtKeyword(tok::objc_protocol)) |
| 998 | return ParseObjCAtProtocolDeclaration(AtLoc, DS.getAttributes()); |
| 999 | |
| 1000 | return Actions.ConvertDeclToDeclGroup( |
| 1001 | ParseObjCAtInterfaceDeclaration(AtLoc, DS.getAttributes())); |
| 1002 | } |
| 1003 | |
| 1004 | |
| 1005 | |
| 1006 | |
| 1007 | if (getLangOpts().CPlusPlus && isTokenStringLiteral() && |
| 1008 | DS.getStorageClassSpec() == DeclSpec::SCS_extern && |
| 1009 | DS.getParsedSpecifiers() == DeclSpec::PQ_StorageClassSpecifier) { |
| 1010 | Decl *TheDecl = ParseLinkage(DS, DeclaratorContext::FileContext); |
| 1011 | return Actions.ConvertDeclToDeclGroup(TheDecl); |
| 1012 | } |
| 1013 | |
| 1014 | return ParseDeclGroup(DS, DeclaratorContext::FileContext); |
| 1015 | } |
| 1016 | |
| 1017 | Parser::DeclGroupPtrTy |
| 1018 | Parser::ParseDeclarationOrFunctionDefinition(ParsedAttributesWithRange &attrs, |
| 1019 | ParsingDeclSpec *DS, |
| 1020 | AccessSpecifier AS) { |
| 1021 | if (DS) { |
| 1022 | return ParseDeclOrFunctionDefInternal(attrs, *DS, AS); |
| 1023 | } else { |
| 1024 | ParsingDeclSpec PDS(*this); |
| 1025 | |
| 1026 | |
| 1027 | |
| 1028 | ObjCDeclContextSwitch ObjCDC(*this); |
| 1029 | |
| 1030 | return ParseDeclOrFunctionDefInternal(attrs, PDS, AS); |
| 1031 | } |
| 1032 | } |
| 1033 | |
| 1034 | |
| 1035 | |
| 1036 | |
| 1037 | |
| 1038 | |
| 1039 | |
| 1040 | |
| 1041 | |
| 1042 | |
| 1043 | |
| 1044 | |
| 1045 | |
| 1046 | |
| 1047 | |
| 1048 | Decl *Parser::ParseFunctionDefinition(ParsingDeclarator &D, |
| 1049 | const ParsedTemplateInfo &TemplateInfo, |
| 1050 | LateParsedAttrList *LateParsedAttrs) { |
| 1051 | |
| 1052 | PoisonSEHIdentifiersRAIIObject PoisonSEHIdentifiers(*this, true); |
| 1053 | const DeclaratorChunk::FunctionTypeInfo &FTI = D.getFunctionTypeInfo(); |
| 1054 | |
| 1055 | |
| 1056 | |
| 1057 | |
| 1058 | if (getLangOpts().ImplicitInt && D.getDeclSpec().isEmpty()) { |
| 1059 | const char *PrevSpec; |
| 1060 | unsigned DiagID; |
| 1061 | const PrintingPolicy &Policy = Actions.getASTContext().getPrintingPolicy(); |
| 1062 | D.getMutableDeclSpec().SetTypeSpecType(DeclSpec::TST_int, |
| 1063 | D.getIdentifierLoc(), |
| 1064 | PrevSpec, DiagID, |
| 1065 | Policy); |
| 1066 | D.SetRangeBegin(D.getDeclSpec().getSourceRange().getBegin()); |
| 1067 | } |
| 1068 | |
| 1069 | |
| 1070 | |
| 1071 | |
| 1072 | if (FTI.isKNRPrototype()) |
| 1073 | ParseKNRParamDeclarations(D); |
| 1074 | |
| 1075 | |
| 1076 | |
| 1077 | if (Tok.isNot(tok::l_brace) && |
| 1078 | (!getLangOpts().CPlusPlus || |
| 1079 | (Tok.isNot(tok::colon) && Tok.isNot(tok::kw_try) && |
| 1080 | Tok.isNot(tok::equal)))) { |
| 1081 | Diag(Tok, diag::err_expected_fn_body); |
| 1082 | |
| 1083 | |
| 1084 | SkipUntil(tok::l_brace, StopAtSemi | StopBeforeMatch); |
| 1085 | |
| 1086 | |
| 1087 | if (Tok.isNot(tok::l_brace)) |
| 1088 | return nullptr; |
| 1089 | } |
| 1090 | |
| 1091 | |
| 1092 | |
| 1093 | if (Tok.isNot(tok::equal)) { |
| 1094 | for (const ParsedAttr &AL : D.getAttributes()) |
| 1095 | if (AL.isKnownToGCC() && !AL.isCXX11Attribute()) |
| 1096 | Diag(AL.getLoc(), diag::warn_attribute_on_function_definition) |
| 1097 | << AL.getName(); |
| 1098 | } |
| 1099 | |
| 1100 | |
| 1101 | |
| 1102 | if (getLangOpts().DelayedTemplateParsing && Tok.isNot(tok::equal) && |
| 1103 | TemplateInfo.Kind == ParsedTemplateInfo::Template && |
| 1104 | Actions.canDelayFunctionBody(D)) { |
| 1105 | MultiTemplateParamsArg TemplateParameterLists(*TemplateInfo.TemplateParams); |
| 1106 | |
| 1107 | ParseScope BodyScope(this, Scope::FnScope | Scope::DeclScope | |
| 1108 | Scope::CompoundStmtScope); |
| 1109 | Scope *ParentScope = getCurScope()->getParent(); |
| 1110 | |
| 1111 | D.setFunctionDefinitionKind(FDK_Definition); |
| 1112 | Decl *DP = Actions.HandleDeclarator(ParentScope, D, |
| 1113 | TemplateParameterLists); |
| 1114 | D.complete(DP); |
| 1115 | D.getMutableDeclSpec().abort(); |
| 1116 | |
| 1117 | if (SkipFunctionBodies && (!DP || Actions.canSkipFunctionBody(DP)) && |
| 1118 | trySkippingFunctionBody()) { |
| 1119 | BodyScope.Exit(); |
| 1120 | return Actions.ActOnSkippedFunctionBody(DP); |
| 1121 | } |
| 1122 | |
| 1123 | CachedTokens Toks; |
| 1124 | LexTemplateFunctionForLateParsing(Toks); |
| 1125 | |
| 1126 | if (DP) { |
| 1127 | FunctionDecl *FnD = DP->getAsFunction(); |
| 1128 | Actions.CheckForFunctionRedefinition(FnD); |
| 1129 | Actions.MarkAsLateParsedTemplate(FnD, DP, Toks); |
| 1130 | } |
| 1131 | return DP; |
| 1132 | } |
| 1133 | else if (CurParsedObjCImpl && |
| 1134 | !TemplateInfo.TemplateParams && |
| 1135 | (Tok.is(tok::l_brace) || Tok.is(tok::kw_try) || |
| 1136 | Tok.is(tok::colon)) && |
| 1137 | Actions.CurContext->isTranslationUnit()) { |
| 1138 | ParseScope BodyScope(this, Scope::FnScope | Scope::DeclScope | |
| 1139 | Scope::CompoundStmtScope); |
| 1140 | Scope *ParentScope = getCurScope()->getParent(); |
| 1141 | |
| 1142 | D.setFunctionDefinitionKind(FDK_Definition); |
| 1143 | Decl *FuncDecl = Actions.HandleDeclarator(ParentScope, D, |
| 1144 | MultiTemplateParamsArg()); |
| 1145 | D.complete(FuncDecl); |
| 1146 | D.getMutableDeclSpec().abort(); |
| 1147 | if (FuncDecl) { |
| 1148 | |
| 1149 | StashAwayMethodOrFunctionBodyTokens(FuncDecl); |
| 1150 | CurParsedObjCImpl->HasCFunction = true; |
| 1151 | return FuncDecl; |
| 1152 | } |
| 1153 | |
| 1154 | } |
| 1155 | |
| 1156 | |
| 1157 | ParseScope BodyScope(this, Scope::FnScope | Scope::DeclScope | |
| 1158 | Scope::CompoundStmtScope); |
| 1159 | |
| 1160 | |
| 1161 | |
| 1162 | Sema::SkipBodyInfo SkipBody; |
| 1163 | Decl *Res = Actions.ActOnStartOfFunctionDef(getCurScope(), D, |
| 1164 | TemplateInfo.TemplateParams |
| 1165 | ? *TemplateInfo.TemplateParams |
| 1166 | : MultiTemplateParamsArg(), |
| 1167 | &SkipBody); |
| 1168 | |
| 1169 | if (SkipBody.ShouldSkip) { |
| 1170 | SkipFunctionBody(); |
| 1171 | return Res; |
| 1172 | } |
| 1173 | |
| 1174 | |
| 1175 | D.complete(Res); |
| 1176 | |
| 1177 | |
| 1178 | |
| 1179 | D.getMutableDeclSpec().abort(); |
| 1180 | |
| 1181 | if (TryConsumeToken(tok::equal)) { |
| 1182 | (0) . __assert_fail ("getLangOpts().CPlusPlus && \"Only C++ function definitions have '='\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1182, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(getLangOpts().CPlusPlus && "Only C++ function definitions have '='"); |
| 1183 | |
| 1184 | bool Delete = false; |
| 1185 | SourceLocation KWLoc; |
| 1186 | if (TryConsumeToken(tok::kw_delete, KWLoc)) { |
| 1187 | Diag(KWLoc, getLangOpts().CPlusPlus11 |
| 1188 | ? diag::warn_cxx98_compat_defaulted_deleted_function |
| 1189 | : diag::ext_defaulted_deleted_function) |
| 1190 | << 1 ; |
| 1191 | Actions.SetDeclDeleted(Res, KWLoc); |
| 1192 | Delete = true; |
| 1193 | } else if (TryConsumeToken(tok::kw_default, KWLoc)) { |
| 1194 | Diag(KWLoc, getLangOpts().CPlusPlus11 |
| 1195 | ? diag::warn_cxx98_compat_defaulted_deleted_function |
| 1196 | : diag::ext_defaulted_deleted_function) |
| 1197 | << 0 ; |
| 1198 | Actions.SetDeclDefaulted(Res, KWLoc); |
| 1199 | } else { |
| 1200 | llvm_unreachable("function definition after = not 'delete' or 'default'"); |
| 1201 | } |
| 1202 | |
| 1203 | if (Tok.is(tok::comma)) { |
| 1204 | Diag(KWLoc, diag::err_default_delete_in_multiple_declaration) |
| 1205 | << Delete; |
| 1206 | SkipUntil(tok::semi); |
| 1207 | } else if (ExpectAndConsume(tok::semi, diag::err_expected_after, |
| 1208 | Delete ? "delete" : "default")) { |
| 1209 | SkipUntil(tok::semi); |
| 1210 | } |
| 1211 | |
| 1212 | Stmt *GeneratedBody = Res ? Res->getBody() : nullptr; |
| 1213 | Actions.ActOnFinishFunctionBody(Res, GeneratedBody, false); |
| 1214 | return Res; |
| 1215 | } |
| 1216 | |
| 1217 | if (SkipFunctionBodies && (!Res || Actions.canSkipFunctionBody(Res)) && |
| 1218 | trySkippingFunctionBody()) { |
| 1219 | BodyScope.Exit(); |
| 1220 | Actions.ActOnSkippedFunctionBody(Res); |
| 1221 | return Actions.ActOnFinishFunctionBody(Res, nullptr, false); |
| 1222 | } |
| 1223 | |
| 1224 | if (Tok.is(tok::kw_try)) |
| 1225 | return ParseFunctionTryBlock(Res, BodyScope); |
| 1226 | |
| 1227 | |
| 1228 | |
| 1229 | if (Tok.is(tok::colon)) { |
| 1230 | ParseConstructorInitializer(Res); |
| 1231 | |
| 1232 | |
| 1233 | if (!Tok.is(tok::l_brace)) { |
| 1234 | BodyScope.Exit(); |
| 1235 | Actions.ActOnFinishFunctionBody(Res, nullptr); |
| 1236 | return Res; |
| 1237 | } |
| 1238 | } else |
| 1239 | Actions.ActOnDefaultCtorInitializers(Res); |
| 1240 | |
| 1241 | |
| 1242 | if (LateParsedAttrs) |
| 1243 | ParseLexedAttributeList(*LateParsedAttrs, Res, false, true); |
| 1244 | |
| 1245 | return ParseFunctionStatementBody(Res, BodyScope); |
| 1246 | } |
| 1247 | |
| 1248 | void Parser::SkipFunctionBody() { |
| 1249 | if (Tok.is(tok::equal)) { |
| 1250 | SkipUntil(tok::semi); |
| 1251 | return; |
| 1252 | } |
| 1253 | |
| 1254 | bool IsFunctionTryBlock = Tok.is(tok::kw_try); |
| 1255 | if (IsFunctionTryBlock) |
| 1256 | ConsumeToken(); |
| 1257 | |
| 1258 | CachedTokens Skipped; |
| 1259 | if (ConsumeAndStoreFunctionPrologue(Skipped)) |
| 1260 | SkipMalformedDecl(); |
| 1261 | else { |
| 1262 | SkipUntil(tok::r_brace); |
| 1263 | while (IsFunctionTryBlock && Tok.is(tok::kw_catch)) { |
| 1264 | SkipUntil(tok::l_brace); |
| 1265 | SkipUntil(tok::r_brace); |
| 1266 | } |
| 1267 | } |
| 1268 | } |
| 1269 | |
| 1270 | |
| 1271 | |
| 1272 | void Parser::ParseKNRParamDeclarations(Declarator &D) { |
| 1273 | |
| 1274 | DeclaratorChunk::FunctionTypeInfo &FTI = D.getFunctionTypeInfo(); |
| 1275 | |
| 1276 | |
| 1277 | |
| 1278 | ParseScope PrototypeScope(this, Scope::FunctionPrototypeScope | |
| 1279 | Scope::FunctionDeclarationScope | Scope::DeclScope); |
| 1280 | |
| 1281 | |
| 1282 | while (isDeclarationSpecifier()) { |
| 1283 | SourceLocation DSStart = Tok.getLocation(); |
| 1284 | |
| 1285 | |
| 1286 | DeclSpec DS(AttrFactory); |
| 1287 | ParseDeclarationSpecifiers(DS); |
| 1288 | |
| 1289 | |
| 1290 | |
| 1291 | |
| 1292 | |
| 1293 | |
| 1294 | if (TryConsumeToken(tok::semi)) { |
| 1295 | Diag(DSStart, diag::err_declaration_does_not_declare_param); |
| 1296 | continue; |
| 1297 | } |
| 1298 | |
| 1299 | |
| 1300 | |
| 1301 | if (DS.getStorageClassSpec() != DeclSpec::SCS_unspecified && |
| 1302 | DS.getStorageClassSpec() != DeclSpec::SCS_register) { |
| 1303 | Diag(DS.getStorageClassSpecLoc(), |
| 1304 | diag::err_invalid_storage_class_in_func_decl); |
| 1305 | DS.ClearStorageClassSpecs(); |
| 1306 | } |
| 1307 | if (DS.getThreadStorageClassSpec() != DeclSpec::TSCS_unspecified) { |
| 1308 | Diag(DS.getThreadStorageClassSpecLoc(), |
| 1309 | diag::err_invalid_storage_class_in_func_decl); |
| 1310 | DS.ClearStorageClassSpecs(); |
| 1311 | } |
| 1312 | |
| 1313 | |
| 1314 | Declarator ParmDeclarator(DS, DeclaratorContext::KNRTypeListContext); |
| 1315 | ParseDeclarator(ParmDeclarator); |
| 1316 | |
| 1317 | |
| 1318 | while (1) { |
| 1319 | |
| 1320 | MaybeParseGNUAttributes(ParmDeclarator); |
| 1321 | |
| 1322 | |
| 1323 | Decl *Param = |
| 1324 | Actions.ActOnParamDeclarator(getCurScope(), ParmDeclarator); |
| 1325 | |
| 1326 | if (Param && |
| 1327 | |
| 1328 | ParmDeclarator.getIdentifier()) { |
| 1329 | |
| 1330 | |
| 1331 | |
| 1332 | for (unsigned i = 0; ; ++i) { |
| 1333 | |
| 1334 | |
| 1335 | if (i == FTI.NumParams) { |
| 1336 | Diag(ParmDeclarator.getIdentifierLoc(), diag::err_no_matching_param) |
| 1337 | << ParmDeclarator.getIdentifier(); |
| 1338 | break; |
| 1339 | } |
| 1340 | |
| 1341 | if (FTI.Params[i].Ident == ParmDeclarator.getIdentifier()) { |
| 1342 | |
| 1343 | if (FTI.Params[i].Param) { |
| 1344 | Diag(ParmDeclarator.getIdentifierLoc(), |
| 1345 | diag::err_param_redefinition) |
| 1346 | << ParmDeclarator.getIdentifier(); |
| 1347 | } else { |
| 1348 | FTI.Params[i].Param = Param; |
| 1349 | } |
| 1350 | break; |
| 1351 | } |
| 1352 | } |
| 1353 | } |
| 1354 | |
| 1355 | |
| 1356 | |
| 1357 | if (Tok.isNot(tok::comma)) |
| 1358 | break; |
| 1359 | |
| 1360 | ParmDeclarator.clear(); |
| 1361 | |
| 1362 | |
| 1363 | ParmDeclarator.setCommaLoc(ConsumeToken()); |
| 1364 | |
| 1365 | |
| 1366 | ParseDeclarator(ParmDeclarator); |
| 1367 | } |
| 1368 | |
| 1369 | |
| 1370 | if (!ExpectAndConsumeSemi(diag::err_expected_semi_declaration)) |
| 1371 | continue; |
| 1372 | |
| 1373 | |
| 1374 | if (SkipUntil(tok::l_brace, StopAtSemi | StopBeforeMatch)) |
| 1375 | break; |
| 1376 | TryConsumeToken(tok::semi); |
| 1377 | } |
| 1378 | |
| 1379 | |
| 1380 | Actions.ActOnFinishKNRParamDeclarations(getCurScope(), D, Tok.getLocation()); |
| 1381 | } |
| 1382 | |
| 1383 | |
| 1384 | |
| 1385 | |
| 1386 | |
| 1387 | |
| 1388 | |
| 1389 | |
| 1390 | ExprResult Parser::ParseAsmStringLiteral() { |
| 1391 | if (!isTokenStringLiteral()) { |
| 1392 | Diag(Tok, diag::err_expected_string_literal) |
| 1393 | << << "'asm'"; |
| 1394 | return ExprError(); |
| 1395 | } |
| 1396 | |
| 1397 | ExprResult AsmString(ParseStringLiteralExpression()); |
| 1398 | if (!AsmString.isInvalid()) { |
| 1399 | const auto *SL = cast<StringLiteral>(AsmString.get()); |
| 1400 | if (!SL->isAscii()) { |
| 1401 | Diag(Tok, diag::err_asm_operand_wide_string_literal) |
| 1402 | << SL->isWide() |
| 1403 | << SL->getSourceRange(); |
| 1404 | return ExprError(); |
| 1405 | } |
| 1406 | } |
| 1407 | return AsmString; |
| 1408 | } |
| 1409 | |
| 1410 | |
| 1411 | |
| 1412 | |
| 1413 | |
| 1414 | |
| 1415 | ExprResult Parser::ParseSimpleAsm(SourceLocation *EndLoc) { |
| 1416 | (0) . __assert_fail ("Tok.is(tok..kw_asm) && \"Not an asm!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1416, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::kw_asm) && "Not an asm!"); |
| 1417 | SourceLocation Loc = ConsumeToken(); |
| 1418 | |
| 1419 | if (Tok.is(tok::kw_volatile)) { |
| 1420 | |
| 1421 | SourceRange RemovalRange(PP.getLocForEndOfToken(Loc), |
| 1422 | PP.getLocForEndOfToken(Tok.getLocation())); |
| 1423 | |
| 1424 | Diag(Tok, diag::warn_file_asm_volatile) |
| 1425 | << FixItHint::CreateRemoval(RemovalRange); |
| 1426 | ConsumeToken(); |
| 1427 | } |
| 1428 | |
| 1429 | BalancedDelimiterTracker T(*this, tok::l_paren); |
| 1430 | if (T.consumeOpen()) { |
| 1431 | Diag(Tok, diag::err_expected_lparen_after) << "asm"; |
| 1432 | return ExprError(); |
| 1433 | } |
| 1434 | |
| 1435 | ExprResult Result(ParseAsmStringLiteral()); |
| 1436 | |
| 1437 | if (!Result.isInvalid()) { |
| 1438 | |
| 1439 | T.consumeClose(); |
| 1440 | if (EndLoc) |
| 1441 | *EndLoc = T.getCloseLocation(); |
| 1442 | } else if (SkipUntil(tok::r_paren, StopAtSemi | StopBeforeMatch)) { |
| 1443 | if (EndLoc) |
| 1444 | *EndLoc = Tok.getLocation(); |
| 1445 | ConsumeParen(); |
| 1446 | } |
| 1447 | |
| 1448 | return Result; |
| 1449 | } |
| 1450 | |
| 1451 | |
| 1452 | |
| 1453 | |
| 1454 | TemplateIdAnnotation *Parser::takeTemplateIdAnnotation(const Token &tok) { |
| 1455 | (0) . __assert_fail ("tok.is(tok..annot_template_id) && \"Expected template-id token\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1455, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(tok.is(tok::annot_template_id) && "Expected template-id token"); |
| 1456 | TemplateIdAnnotation * |
| 1457 | Id = static_cast<TemplateIdAnnotation *>(tok.getAnnotationValue()); |
| 1458 | return Id; |
| 1459 | } |
| 1460 | |
| 1461 | void Parser::AnnotateScopeToken(CXXScopeSpec &SS, bool IsNewAnnotation) { |
| 1462 | |
| 1463 | |
| 1464 | if (PP.isBacktrackEnabled()) |
| 1465 | PP.RevertCachedTokens(1); |
| 1466 | else |
| 1467 | PP.EnterToken(Tok); |
| 1468 | Tok.setKind(tok::annot_cxxscope); |
| 1469 | Tok.setAnnotationValue(Actions.SaveNestedNameSpecifierAnnotation(SS)); |
| 1470 | Tok.setAnnotationRange(SS.getRange()); |
| 1471 | |
| 1472 | |
| 1473 | |
| 1474 | |
| 1475 | if (IsNewAnnotation) |
| 1476 | PP.AnnotateCachedTokens(Tok); |
| 1477 | } |
| 1478 | |
| 1479 | |
| 1480 | |
| 1481 | |
| 1482 | |
| 1483 | |
| 1484 | |
| 1485 | |
| 1486 | |
| 1487 | |
| 1488 | Parser::AnnotatedNameKind |
| 1489 | Parser::TryAnnotateName(bool IsAddressOfOperand, |
| 1490 | CorrectionCandidateCallback *CCC) { |
| 1491 | assert(Tok.is(tok::identifier) || Tok.is(tok::annot_cxxscope)); |
| 1492 | |
| 1493 | const bool EnteringContext = false; |
| 1494 | const bool WasScopeAnnotation = Tok.is(tok::annot_cxxscope); |
| 1495 | |
| 1496 | CXXScopeSpec SS; |
| 1497 | if (getLangOpts().CPlusPlus && |
| 1498 | ParseOptionalCXXScopeSpecifier(SS, nullptr, EnteringContext)) |
| 1499 | return ANK_Error; |
| 1500 | |
| 1501 | if (Tok.isNot(tok::identifier) || SS.isInvalid()) { |
| 1502 | if (TryAnnotateTypeOrScopeTokenAfterScopeSpec(SS, !WasScopeAnnotation)) |
| 1503 | return ANK_Error; |
| 1504 | return ANK_Unresolved; |
| 1505 | } |
| 1506 | |
| 1507 | IdentifierInfo *Name = Tok.getIdentifierInfo(); |
| 1508 | SourceLocation NameLoc = Tok.getLocation(); |
| 1509 | |
| 1510 | |
| 1511 | |
| 1512 | if (isTentativelyDeclared(Name)) { |
| 1513 | |
| 1514 | |
| 1515 | if (TryAnnotateTypeOrScopeTokenAfterScopeSpec(SS, !WasScopeAnnotation)) |
| 1516 | return ANK_Error; |
| 1517 | return Tok.is(tok::annot_typename) ? ANK_Success : ANK_TentativeDecl; |
| 1518 | } |
| 1519 | |
| 1520 | Token Next = NextToken(); |
| 1521 | |
| 1522 | |
| 1523 | |
| 1524 | |
| 1525 | |
| 1526 | Sema::NameClassification Classification = |
| 1527 | Actions.ClassifyName(getCurScope(), SS, Name, NameLoc, Next, |
| 1528 | IsAddressOfOperand, SS.isEmpty() ? CCC : nullptr); |
| 1529 | |
| 1530 | switch (Classification.getKind()) { |
| 1531 | case Sema::NC_Error: |
| 1532 | return ANK_Error; |
| 1533 | |
| 1534 | case Sema::NC_Keyword: |
| 1535 | |
| 1536 | Tok.setIdentifierInfo(Name); |
| 1537 | Tok.setKind(Name->getTokenID()); |
| 1538 | PP.TypoCorrectToken(Tok); |
| 1539 | if (SS.isNotEmpty()) |
| 1540 | AnnotateScopeToken(SS, !WasScopeAnnotation); |
| 1541 | |
| 1542 | return ANK_Success; |
| 1543 | |
| 1544 | case Sema::NC_Unknown: |
| 1545 | |
| 1546 | break; |
| 1547 | |
| 1548 | case Sema::NC_Type: { |
| 1549 | SourceLocation BeginLoc = NameLoc; |
| 1550 | if (SS.isNotEmpty()) |
| 1551 | BeginLoc = SS.getBeginLoc(); |
| 1552 | |
| 1553 | |
| 1554 | |
| 1555 | ParsedType Ty = Classification.getType(); |
| 1556 | if (getLangOpts().ObjC && NextToken().is(tok::less) && |
| 1557 | (Ty.get()->isObjCObjectType() || |
| 1558 | Ty.get()->isObjCObjectPointerType())) { |
| 1559 | |
| 1560 | SourceLocation IdentifierLoc = ConsumeToken(); |
| 1561 | SourceLocation NewEndLoc; |
| 1562 | TypeResult NewType |
| 1563 | = parseObjCTypeArgsAndProtocolQualifiers(IdentifierLoc, Ty, |
| 1564 | , |
| 1565 | NewEndLoc); |
| 1566 | if (NewType.isUsable()) |
| 1567 | Ty = NewType.get(); |
| 1568 | else if (Tok.is(tok::eof)) |
| 1569 | return ANK_Error; |
| 1570 | } |
| 1571 | |
| 1572 | Tok.setKind(tok::annot_typename); |
| 1573 | setTypeAnnotation(Tok, Ty); |
| 1574 | Tok.setAnnotationEndLoc(Tok.getLocation()); |
| 1575 | Tok.setLocation(BeginLoc); |
| 1576 | PP.AnnotateCachedTokens(Tok); |
| 1577 | return ANK_Success; |
| 1578 | } |
| 1579 | |
| 1580 | case Sema::NC_Expression: |
| 1581 | Tok.setKind(tok::annot_primary_expr); |
| 1582 | setExprAnnotation(Tok, Classification.getExpression()); |
| 1583 | Tok.setAnnotationEndLoc(NameLoc); |
| 1584 | if (SS.isNotEmpty()) |
| 1585 | Tok.setLocation(SS.getBeginLoc()); |
| 1586 | PP.AnnotateCachedTokens(Tok); |
| 1587 | return ANK_Success; |
| 1588 | |
| 1589 | case Sema::NC_TypeTemplate: |
| 1590 | if (Next.isNot(tok::less)) { |
| 1591 | |
| 1592 | if (SS.isNotEmpty()) |
| 1593 | AnnotateScopeToken(SS, !WasScopeAnnotation); |
| 1594 | return ANK_TemplateName; |
| 1595 | } |
| 1596 | LLVM_FALLTHROUGH; |
| 1597 | case Sema::NC_VarTemplate: |
| 1598 | case Sema::NC_FunctionTemplate: { |
| 1599 | |
| 1600 | ConsumeToken(); |
| 1601 | UnqualifiedId Id; |
| 1602 | Id.setIdentifier(Name, NameLoc); |
| 1603 | if (AnnotateTemplateIdToken( |
| 1604 | TemplateTy::make(Classification.getTemplateName()), |
| 1605 | Classification.getTemplateNameKind(), SS, SourceLocation(), Id)) |
| 1606 | return ANK_Error; |
| 1607 | return ANK_Success; |
| 1608 | } |
| 1609 | |
| 1610 | case Sema::NC_NestedNameSpecifier: |
| 1611 | llvm_unreachable("already parsed nested name specifier"); |
| 1612 | } |
| 1613 | |
| 1614 | |
| 1615 | if (SS.isNotEmpty()) |
| 1616 | AnnotateScopeToken(SS, !WasScopeAnnotation); |
| 1617 | return ANK_Unresolved; |
| 1618 | } |
| 1619 | |
| 1620 | bool Parser::TryKeywordIdentFallback(bool DisableKeyword) { |
| 1621 | assert(Tok.isNot(tok::identifier)); |
| 1622 | Diag(Tok, diag::ext_keyword_as_ident) |
| 1623 | << PP.getSpelling(Tok) |
| 1624 | << DisableKeyword; |
| 1625 | if (DisableKeyword) |
| 1626 | Tok.getIdentifierInfo()->revertTokenIDToIdentifier(); |
| 1627 | Tok.setKind(tok::identifier); |
| 1628 | return true; |
| 1629 | } |
| 1630 | |
| 1631 | |
| 1632 | |
| 1633 | |
| 1634 | |
| 1635 | |
| 1636 | |
| 1637 | |
| 1638 | |
| 1639 | |
| 1640 | |
| 1641 | |
| 1642 | |
| 1643 | |
| 1644 | |
| 1645 | |
| 1646 | |
| 1647 | |
| 1648 | |
| 1649 | |
| 1650 | |
| 1651 | |
| 1652 | |
| 1653 | bool Parser::TryAnnotateTypeOrScopeToken() { |
| 1654 | (0) . __assert_fail ("(Tok.is(tok..identifier) || Tok.is(tok..coloncolon) || Tok.is(tok..kw_typename) || Tok.is(tok..annot_cxxscope) || Tok.is(tok..kw_decltype) || Tok.is(tok..annot_template_id) || Tok.is(tok..kw___super)) && \"Cannot be a type or scope token!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1658, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((Tok.is(tok::identifier) || Tok.is(tok::coloncolon) || |
| 1655 | (0) . __assert_fail ("(Tok.is(tok..identifier) || Tok.is(tok..coloncolon) || Tok.is(tok..kw_typename) || Tok.is(tok..annot_cxxscope) || Tok.is(tok..kw_decltype) || Tok.is(tok..annot_template_id) || Tok.is(tok..kw___super)) && \"Cannot be a type or scope token!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1658, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> Tok.is(tok::kw_typename) || Tok.is(tok::annot_cxxscope) || |
| 1656 | (0) . __assert_fail ("(Tok.is(tok..identifier) || Tok.is(tok..coloncolon) || Tok.is(tok..kw_typename) || Tok.is(tok..annot_cxxscope) || Tok.is(tok..kw_decltype) || Tok.is(tok..annot_template_id) || Tok.is(tok..kw___super)) && \"Cannot be a type or scope token!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1658, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> Tok.is(tok::kw_decltype) || Tok.is(tok::annot_template_id) || |
| 1657 | (0) . __assert_fail ("(Tok.is(tok..identifier) || Tok.is(tok..coloncolon) || Tok.is(tok..kw_typename) || Tok.is(tok..annot_cxxscope) || Tok.is(tok..kw_decltype) || Tok.is(tok..annot_template_id) || Tok.is(tok..kw___super)) && \"Cannot be a type or scope token!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1658, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> Tok.is(tok::kw___super)) && |
| 1658 | (0) . __assert_fail ("(Tok.is(tok..identifier) || Tok.is(tok..coloncolon) || Tok.is(tok..kw_typename) || Tok.is(tok..annot_cxxscope) || Tok.is(tok..kw_decltype) || Tok.is(tok..annot_template_id) || Tok.is(tok..kw___super)) && \"Cannot be a type or scope token!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1658, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Cannot be a type or scope token!"); |
| 1659 | |
| 1660 | if (Tok.is(tok::kw_typename)) { |
| 1661 | |
| 1662 | |
| 1663 | |
| 1664 | |
| 1665 | |
| 1666 | |
| 1667 | if (getLangOpts().MSVCCompat && NextToken().is(tok::kw_typedef)) { |
| 1668 | Token TypedefToken; |
| 1669 | PP.Lex(TypedefToken); |
| 1670 | bool Result = TryAnnotateTypeOrScopeToken(); |
| 1671 | PP.EnterToken(Tok); |
| 1672 | Tok = TypedefToken; |
| 1673 | if (!Result) |
| 1674 | Diag(Tok.getLocation(), diag::warn_expected_qualified_after_typename); |
| 1675 | return Result; |
| 1676 | } |
| 1677 | |
| 1678 | |
| 1679 | |
| 1680 | |
| 1681 | |
| 1682 | |
| 1683 | |
| 1684 | SourceLocation TypenameLoc = ConsumeToken(); |
| 1685 | CXXScopeSpec SS; |
| 1686 | if (ParseOptionalCXXScopeSpecifier(SS, , |
| 1687 | , nullptr, |
| 1688 | true)) |
| 1689 | return true; |
| 1690 | if (!SS.isSet()) { |
| 1691 | if (Tok.is(tok::identifier) || Tok.is(tok::annot_template_id) || |
| 1692 | Tok.is(tok::annot_decltype)) { |
| 1693 | |
| 1694 | if (Tok.is(tok::annot_decltype) || |
| 1695 | (!TryAnnotateTypeOrScopeToken() && Tok.isAnnotation())) { |
| 1696 | unsigned DiagID = diag::err_expected_qualified_after_typename; |
| 1697 | |
| 1698 | |
| 1699 | if (getLangOpts().MicrosoftExt) |
| 1700 | DiagID = diag::warn_expected_qualified_after_typename; |
| 1701 | Diag(Tok.getLocation(), DiagID); |
| 1702 | return false; |
| 1703 | } |
| 1704 | } |
| 1705 | if (Tok.isEditorPlaceholder()) |
| 1706 | return true; |
| 1707 | |
| 1708 | Diag(Tok.getLocation(), diag::err_expected_qualified_after_typename); |
| 1709 | return true; |
| 1710 | } |
| 1711 | |
| 1712 | TypeResult Ty; |
| 1713 | if (Tok.is(tok::identifier)) { |
| 1714 | |
| 1715 | Ty = Actions.ActOnTypenameType(getCurScope(), TypenameLoc, SS, |
| 1716 | *Tok.getIdentifierInfo(), |
| 1717 | Tok.getLocation()); |
| 1718 | } else if (Tok.is(tok::annot_template_id)) { |
| 1719 | TemplateIdAnnotation *TemplateId = takeTemplateIdAnnotation(Tok); |
| 1720 | if (TemplateId->Kind != TNK_Type_template && |
| 1721 | TemplateId->Kind != TNK_Dependent_template_name) { |
| 1722 | Diag(Tok, diag::err_typename_refers_to_non_type_template) |
| 1723 | << Tok.getAnnotationRange(); |
| 1724 | return true; |
| 1725 | } |
| 1726 | |
| 1727 | ASTTemplateArgsPtr TemplateArgsPtr(TemplateId->getTemplateArgs(), |
| 1728 | TemplateId->NumArgs); |
| 1729 | |
| 1730 | Ty = Actions.ActOnTypenameType(getCurScope(), TypenameLoc, SS, |
| 1731 | TemplateId->TemplateKWLoc, |
| 1732 | TemplateId->Template, |
| 1733 | TemplateId->Name, |
| 1734 | TemplateId->TemplateNameLoc, |
| 1735 | TemplateId->LAngleLoc, |
| 1736 | TemplateArgsPtr, |
| 1737 | TemplateId->RAngleLoc); |
| 1738 | } else { |
| 1739 | Diag(Tok, diag::err_expected_type_name_after_typename) |
| 1740 | << SS.getRange(); |
| 1741 | return true; |
| 1742 | } |
| 1743 | |
| 1744 | SourceLocation EndLoc = Tok.getLastLoc(); |
| 1745 | Tok.setKind(tok::annot_typename); |
| 1746 | setTypeAnnotation(Tok, Ty.isInvalid() ? nullptr : Ty.get()); |
| 1747 | Tok.setAnnotationEndLoc(EndLoc); |
| 1748 | Tok.setLocation(TypenameLoc); |
| 1749 | PP.AnnotateCachedTokens(Tok); |
| 1750 | return false; |
| 1751 | } |
| 1752 | |
| 1753 | |
| 1754 | bool WasScopeAnnotation = Tok.is(tok::annot_cxxscope); |
| 1755 | |
| 1756 | CXXScopeSpec SS; |
| 1757 | if (getLangOpts().CPlusPlus) |
| 1758 | if (ParseOptionalCXXScopeSpecifier(SS, nullptr, )) |
| 1759 | return true; |
| 1760 | |
| 1761 | return TryAnnotateTypeOrScopeTokenAfterScopeSpec(SS, !WasScopeAnnotation); |
| 1762 | } |
| 1763 | |
| 1764 | |
| 1765 | |
| 1766 | |
| 1767 | bool Parser::TryAnnotateTypeOrScopeTokenAfterScopeSpec(CXXScopeSpec &SS, |
| 1768 | bool IsNewScope) { |
| 1769 | if (Tok.is(tok::identifier)) { |
| 1770 | |
| 1771 | if (ParsedType Ty = Actions.getTypeName( |
| 1772 | *Tok.getIdentifierInfo(), Tok.getLocation(), getCurScope(), &SS, |
| 1773 | false, NextToken().is(tok::period), nullptr, |
| 1774 | , |
| 1775 | , |
| 1776 | )) { |
| 1777 | SourceLocation BeginLoc = Tok.getLocation(); |
| 1778 | if (SS.isNotEmpty()) |
| 1779 | BeginLoc = SS.getBeginLoc(); |
| 1780 | |
| 1781 | |
| 1782 | |
| 1783 | if (getLangOpts().ObjC && NextToken().is(tok::less) && |
| 1784 | (Ty.get()->isObjCObjectType() || |
| 1785 | Ty.get()->isObjCObjectPointerType())) { |
| 1786 | |
| 1787 | SourceLocation IdentifierLoc = ConsumeToken(); |
| 1788 | SourceLocation NewEndLoc; |
| 1789 | TypeResult NewType |
| 1790 | = parseObjCTypeArgsAndProtocolQualifiers(IdentifierLoc, Ty, |
| 1791 | , |
| 1792 | NewEndLoc); |
| 1793 | if (NewType.isUsable()) |
| 1794 | Ty = NewType.get(); |
| 1795 | else if (Tok.is(tok::eof)) |
| 1796 | return false; |
| 1797 | } |
| 1798 | |
| 1799 | |
| 1800 | |
| 1801 | Tok.setKind(tok::annot_typename); |
| 1802 | setTypeAnnotation(Tok, Ty); |
| 1803 | Tok.setAnnotationEndLoc(Tok.getLocation()); |
| 1804 | Tok.setLocation(BeginLoc); |
| 1805 | |
| 1806 | |
| 1807 | |
| 1808 | PP.AnnotateCachedTokens(Tok); |
| 1809 | return false; |
| 1810 | } |
| 1811 | |
| 1812 | if (!getLangOpts().CPlusPlus) { |
| 1813 | |
| 1814 | |
| 1815 | |
| 1816 | return false; |
| 1817 | } |
| 1818 | |
| 1819 | |
| 1820 | if (NextToken().is(tok::less)) { |
| 1821 | TemplateTy Template; |
| 1822 | UnqualifiedId TemplateName; |
| 1823 | TemplateName.setIdentifier(Tok.getIdentifierInfo(), Tok.getLocation()); |
| 1824 | bool MemberOfUnknownSpecialization; |
| 1825 | if (TemplateNameKind TNK = Actions.isTemplateName( |
| 1826 | getCurScope(), SS, |
| 1827 | , TemplateName, |
| 1828 | , , Template, |
| 1829 | MemberOfUnknownSpecialization)) { |
| 1830 | |
| 1831 | ConsumeToken(); |
| 1832 | if (AnnotateTemplateIdToken(Template, TNK, SS, SourceLocation(), |
| 1833 | TemplateName)) { |
| 1834 | |
| 1835 | |
| 1836 | |
| 1837 | return true; |
| 1838 | } |
| 1839 | } |
| 1840 | } |
| 1841 | |
| 1842 | |
| 1843 | |
| 1844 | |
| 1845 | |
| 1846 | } |
| 1847 | |
| 1848 | if (Tok.is(tok::annot_template_id)) { |
| 1849 | TemplateIdAnnotation *TemplateId = takeTemplateIdAnnotation(Tok); |
| 1850 | if (TemplateId->Kind == TNK_Type_template) { |
| 1851 | |
| 1852 | |
| 1853 | |
| 1854 | |
| 1855 | AnnotateTemplateIdTokenAsType(); |
| 1856 | return false; |
| 1857 | } |
| 1858 | } |
| 1859 | |
| 1860 | if (SS.isEmpty()) |
| 1861 | return false; |
| 1862 | |
| 1863 | |
| 1864 | AnnotateScopeToken(SS, IsNewScope); |
| 1865 | return false; |
| 1866 | } |
| 1867 | |
| 1868 | |
| 1869 | |
| 1870 | |
| 1871 | |
| 1872 | |
| 1873 | |
| 1874 | bool Parser::TryAnnotateCXXScopeToken(bool EnteringContext) { |
| 1875 | (0) . __assert_fail ("getLangOpts().CPlusPlus && \"Call sites of this function should be guarded by checking for C++\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1876, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(getLangOpts().CPlusPlus && |
| 1876 | (0) . __assert_fail ("getLangOpts().CPlusPlus && \"Call sites of this function should be guarded by checking for C++\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1876, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Call sites of this function should be guarded by checking for C++"); |
| 1877 | (0) . __assert_fail ("(Tok.is(tok..identifier) || Tok.is(tok..coloncolon) || (Tok.is(tok..annot_template_id) && NextToken().is(tok..coloncolon)) || Tok.is(tok..kw_decltype) || Tok.is(tok..kw___super)) && \"Cannot be a type or scope token!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1880, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((Tok.is(tok::identifier) || Tok.is(tok::coloncolon) || |
| 1878 | (0) . __assert_fail ("(Tok.is(tok..identifier) || Tok.is(tok..coloncolon) || (Tok.is(tok..annot_template_id) && NextToken().is(tok..coloncolon)) || Tok.is(tok..kw_decltype) || Tok.is(tok..kw___super)) && \"Cannot be a type or scope token!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1880, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> (Tok.is(tok::annot_template_id) && NextToken().is(tok::coloncolon)) || |
| 1879 | (0) . __assert_fail ("(Tok.is(tok..identifier) || Tok.is(tok..coloncolon) || (Tok.is(tok..annot_template_id) && NextToken().is(tok..coloncolon)) || Tok.is(tok..kw_decltype) || Tok.is(tok..kw___super)) && \"Cannot be a type or scope token!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1880, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> Tok.is(tok::kw_decltype) || Tok.is(tok::kw___super)) && |
| 1880 | (0) . __assert_fail ("(Tok.is(tok..identifier) || Tok.is(tok..coloncolon) || (Tok.is(tok..annot_template_id) && NextToken().is(tok..coloncolon)) || Tok.is(tok..kw_decltype) || Tok.is(tok..kw___super)) && \"Cannot be a type or scope token!\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1880, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Cannot be a type or scope token!"); |
| 1881 | |
| 1882 | CXXScopeSpec SS; |
| 1883 | if (ParseOptionalCXXScopeSpecifier(SS, nullptr, EnteringContext)) |
| 1884 | return true; |
| 1885 | if (SS.isEmpty()) |
| 1886 | return false; |
| 1887 | |
| 1888 | AnnotateScopeToken(SS, true); |
| 1889 | return false; |
| 1890 | } |
| 1891 | |
| 1892 | bool Parser::isTokenEqualOrEqualTypo() { |
| 1893 | tok::TokenKind Kind = Tok.getKind(); |
| 1894 | switch (Kind) { |
| 1895 | default: |
| 1896 | return false; |
| 1897 | case tok::ampequal: |
| 1898 | case tok::starequal: |
| 1899 | case tok::plusequal: |
| 1900 | case tok::minusequal: |
| 1901 | case tok::exclaimequal: |
| 1902 | case tok::slashequal: |
| 1903 | case tok::percentequal: |
| 1904 | case tok::lessequal: |
| 1905 | case tok::lesslessequal: |
| 1906 | case tok::greaterequal: |
| 1907 | case tok::greatergreaterequal: |
| 1908 | case tok::caretequal: |
| 1909 | case tok::pipeequal: |
| 1910 | case tok::equalequal: |
| 1911 | Diag(Tok, diag::err_invalid_token_after_declarator_suggest_equal) |
| 1912 | << Kind |
| 1913 | << FixItHint::CreateReplacement(SourceRange(Tok.getLocation()), "="); |
| 1914 | LLVM_FALLTHROUGH; |
| 1915 | case tok::equal: |
| 1916 | return true; |
| 1917 | } |
| 1918 | } |
| 1919 | |
| 1920 | SourceLocation Parser::handleUnexpectedCodeCompletionToken() { |
| 1921 | assert(Tok.is(tok::code_completion)); |
| 1922 | PrevTokLocation = Tok.getLocation(); |
| 1923 | |
| 1924 | for (Scope *S = getCurScope(); S; S = S->getParent()) { |
| 1925 | if (S->getFlags() & Scope::FnScope) { |
| 1926 | Actions.CodeCompleteOrdinaryName(getCurScope(), |
| 1927 | Sema::PCC_RecoveryInFunction); |
| 1928 | cutOffParsing(); |
| 1929 | return PrevTokLocation; |
| 1930 | } |
| 1931 | |
| 1932 | if (S->getFlags() & Scope::ClassScope) { |
| 1933 | Actions.CodeCompleteOrdinaryName(getCurScope(), Sema::PCC_Class); |
| 1934 | cutOffParsing(); |
| 1935 | return PrevTokLocation; |
| 1936 | } |
| 1937 | } |
| 1938 | |
| 1939 | Actions.CodeCompleteOrdinaryName(getCurScope(), Sema::PCC_Namespace); |
| 1940 | cutOffParsing(); |
| 1941 | return PrevTokLocation; |
| 1942 | } |
| 1943 | |
| 1944 | |
| 1945 | |
| 1946 | void Parser::CodeCompleteDirective(bool InConditional) { |
| 1947 | Actions.CodeCompletePreprocessorDirective(InConditional); |
| 1948 | } |
| 1949 | |
| 1950 | void Parser::CodeCompleteInConditionalExclusion() { |
| 1951 | Actions.CodeCompleteInPreprocessorConditionalExclusion(getCurScope()); |
| 1952 | } |
| 1953 | |
| 1954 | void Parser::CodeCompleteMacroName(bool IsDefinition) { |
| 1955 | Actions.CodeCompletePreprocessorMacroName(IsDefinition); |
| 1956 | } |
| 1957 | |
| 1958 | void Parser::CodeCompletePreprocessorExpression() { |
| 1959 | Actions.CodeCompletePreprocessorExpression(); |
| 1960 | } |
| 1961 | |
| 1962 | void Parser::CodeCompleteMacroArgument(IdentifierInfo *Macro, |
| 1963 | MacroInfo *MacroInfo, |
| 1964 | unsigned ArgumentIndex) { |
| 1965 | Actions.CodeCompletePreprocessorMacroArgument(getCurScope(), Macro, MacroInfo, |
| 1966 | ArgumentIndex); |
| 1967 | } |
| 1968 | |
| 1969 | void Parser::CodeCompleteIncludedFile(llvm::StringRef Dir, bool IsAngled) { |
| 1970 | Actions.CodeCompleteIncludedFile(Dir, IsAngled); |
| 1971 | } |
| 1972 | |
| 1973 | void Parser::CodeCompleteNaturalLanguage() { |
| 1974 | Actions.CodeCompleteNaturalLanguage(); |
| 1975 | } |
| 1976 | |
| 1977 | bool Parser::ParseMicrosoftIfExistsCondition(IfExistsCondition& Result) { |
| 1978 | (0) . __assert_fail ("(Tok.is(tok..kw___if_exists) || Tok.is(tok..kw___if_not_exists)) && \"Expected '__if_exists' or '__if_not_exists'\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1979, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((Tok.is(tok::kw___if_exists) || Tok.is(tok::kw___if_not_exists)) && |
| 1979 | (0) . __assert_fail ("(Tok.is(tok..kw___if_exists) || Tok.is(tok..kw___if_not_exists)) && \"Expected '__if_exists' or '__if_not_exists'\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 1979, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Expected '__if_exists' or '__if_not_exists'"); |
| 1980 | Result.IsIfExists = Tok.is(tok::kw___if_exists); |
| 1981 | Result.KeywordLoc = ConsumeToken(); |
| 1982 | |
| 1983 | BalancedDelimiterTracker T(*this, tok::l_paren); |
| 1984 | if (T.consumeOpen()) { |
| 1985 | Diag(Tok, diag::err_expected_lparen_after) |
| 1986 | << (Result.IsIfExists? "__if_exists" : "__if_not_exists"); |
| 1987 | return true; |
| 1988 | } |
| 1989 | |
| 1990 | |
| 1991 | if (getLangOpts().CPlusPlus) |
| 1992 | ParseOptionalCXXScopeSpecifier(Result.SS, nullptr, |
| 1993 | ); |
| 1994 | |
| 1995 | |
| 1996 | if (Result.SS.isInvalid()) { |
| 1997 | T.skipToEnd(); |
| 1998 | return true; |
| 1999 | } |
| 2000 | |
| 2001 | |
| 2002 | SourceLocation TemplateKWLoc; |
| 2003 | if (ParseUnqualifiedId( |
| 2004 | Result.SS, , , |
| 2005 | , , nullptr, |
| 2006 | &TemplateKWLoc, Result.Name)) { |
| 2007 | T.skipToEnd(); |
| 2008 | return true; |
| 2009 | } |
| 2010 | |
| 2011 | if (T.consumeClose()) |
| 2012 | return true; |
| 2013 | |
| 2014 | |
| 2015 | switch (Actions.CheckMicrosoftIfExistsSymbol(getCurScope(), Result.KeywordLoc, |
| 2016 | Result.IsIfExists, Result.SS, |
| 2017 | Result.Name)) { |
| 2018 | case Sema::IER_Exists: |
| 2019 | Result.Behavior = Result.IsIfExists ? IEB_Parse : IEB_Skip; |
| 2020 | break; |
| 2021 | |
| 2022 | case Sema::IER_DoesNotExist: |
| 2023 | Result.Behavior = !Result.IsIfExists ? IEB_Parse : IEB_Skip; |
| 2024 | break; |
| 2025 | |
| 2026 | case Sema::IER_Dependent: |
| 2027 | Result.Behavior = IEB_Dependent; |
| 2028 | break; |
| 2029 | |
| 2030 | case Sema::IER_Error: |
| 2031 | return true; |
| 2032 | } |
| 2033 | |
| 2034 | return false; |
| 2035 | } |
| 2036 | |
| 2037 | void Parser::ParseMicrosoftIfExistsExternalDeclaration() { |
| 2038 | IfExistsCondition Result; |
| 2039 | if (ParseMicrosoftIfExistsCondition(Result)) |
| 2040 | return; |
| 2041 | |
| 2042 | BalancedDelimiterTracker Braces(*this, tok::l_brace); |
| 2043 | if (Braces.consumeOpen()) { |
| 2044 | Diag(Tok, diag::err_expected) << tok::l_brace; |
| 2045 | return; |
| 2046 | } |
| 2047 | |
| 2048 | switch (Result.Behavior) { |
| 2049 | case IEB_Parse: |
| 2050 | |
| 2051 | break; |
| 2052 | |
| 2053 | case IEB_Dependent: |
| 2054 | llvm_unreachable("Cannot have a dependent external declaration"); |
| 2055 | |
| 2056 | case IEB_Skip: |
| 2057 | Braces.skipToEnd(); |
| 2058 | return; |
| 2059 | } |
| 2060 | |
| 2061 | |
| 2062 | |
| 2063 | while (Tok.isNot(tok::r_brace) && !isEofOrEom()) { |
| 2064 | ParsedAttributesWithRange attrs(AttrFactory); |
| 2065 | MaybeParseCXX11Attributes(attrs); |
| 2066 | DeclGroupPtrTy Result = ParseExternalDeclaration(attrs); |
| 2067 | if (Result && !getCurScope()->getParent()) |
| 2068 | Actions.getASTConsumer().HandleTopLevelDecl(Result.get()); |
| 2069 | } |
| 2070 | Braces.consumeClose(); |
| 2071 | } |
| 2072 | |
| 2073 | |
| 2074 | |
| 2075 | |
| 2076 | |
| 2077 | |
| 2078 | |
| 2079 | |
| 2080 | |
| 2081 | Parser::DeclGroupPtrTy Parser::ParseModuleDecl() { |
| 2082 | SourceLocation StartLoc = Tok.getLocation(); |
| 2083 | |
| 2084 | Sema::ModuleDeclKind MDK = TryConsumeToken(tok::kw_export) |
| 2085 | ? Sema::ModuleDeclKind::Interface |
| 2086 | : Sema::ModuleDeclKind::Implementation; |
| 2087 | |
| 2088 | (0) . __assert_fail ("Tok.is(tok..kw_module) && \"not a module declaration\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 2088, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Tok.is(tok::kw_module) && "not a module declaration"); |
| 2089 | SourceLocation ModuleLoc = ConsumeToken(); |
| 2090 | |
| 2091 | if (Tok.is(tok::identifier) && NextToken().is(tok::identifier) && |
| 2092 | Tok.getIdentifierInfo()->isStr("partition")) { |
| 2093 | |
| 2094 | if (MDK != Sema::ModuleDeclKind::Interface) |
| 2095 | Diag(Tok.getLocation(), diag::err_module_implementation_partition) |
| 2096 | << FixItHint::CreateInsertion(ModuleLoc, "export "); |
| 2097 | MDK = Sema::ModuleDeclKind::Partition; |
| 2098 | ConsumeToken(); |
| 2099 | } |
| 2100 | |
| 2101 | SmallVector<std::pair<IdentifierInfo *, SourceLocation>, 2> Path; |
| 2102 | if (ParseModuleName(ModuleLoc, Path, )) |
| 2103 | return nullptr; |
| 2104 | |
| 2105 | |
| 2106 | ParsedAttributesWithRange Attrs(AttrFactory); |
| 2107 | MaybeParseCXX11Attributes(Attrs); |
| 2108 | ProhibitCXX11Attributes(Attrs, diag::err_attribute_not_module_attr); |
| 2109 | |
| 2110 | ExpectAndConsumeSemi(diag::err_module_expected_semi); |
| 2111 | |
| 2112 | return Actions.ActOnModuleDecl(StartLoc, ModuleLoc, MDK, Path); |
| 2113 | } |
| 2114 | |
| 2115 | |
| 2116 | |
| 2117 | |
| 2118 | |
| 2119 | |
| 2120 | |
| 2121 | |
| 2122 | |
| 2123 | Decl *Parser::ParseModuleImport(SourceLocation AtLoc) { |
| 2124 | (0) . __assert_fail ("(AtLoc.isInvalid() ? Tok.is(tok..kw_import) . Tok.isObjCAtKeyword(tok..objc_import)) && \"Improper start to module import\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 2126, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((AtLoc.isInvalid() ? Tok.is(tok::kw_import) |
| 2125 | (0) . __assert_fail ("(AtLoc.isInvalid() ? Tok.is(tok..kw_import) . Tok.isObjCAtKeyword(tok..objc_import)) && \"Improper start to module import\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 2126, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> : Tok.isObjCAtKeyword(tok::objc_import)) && |
| 2126 | (0) . __assert_fail ("(AtLoc.isInvalid() ? Tok.is(tok..kw_import) . Tok.isObjCAtKeyword(tok..objc_import)) && \"Improper start to module import\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 2126, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Improper start to module import"); |
| 2127 | bool IsObjCAtImport = Tok.isObjCAtKeyword(tok::objc_import); |
| 2128 | SourceLocation ImportLoc = ConsumeToken(); |
| 2129 | SourceLocation StartLoc = AtLoc.isInvalid() ? ImportLoc : AtLoc; |
| 2130 | |
| 2131 | SmallVector<std::pair<IdentifierInfo *, SourceLocation>, 2> Path; |
| 2132 | if (ParseModuleName(ImportLoc, Path, )) |
| 2133 | return nullptr; |
| 2134 | |
| 2135 | ParsedAttributesWithRange Attrs(AttrFactory); |
| 2136 | MaybeParseCXX11Attributes(Attrs); |
| 2137 | |
| 2138 | ProhibitCXX11Attributes(Attrs, diag::err_attribute_not_import_attr); |
| 2139 | |
| 2140 | if (PP.hadModuleLoaderFatalFailure()) { |
| 2141 | |
| 2142 | cutOffParsing(); |
| 2143 | return nullptr; |
| 2144 | } |
| 2145 | |
| 2146 | DeclResult Import = Actions.ActOnModuleImport(StartLoc, ImportLoc, Path); |
| 2147 | ExpectAndConsumeSemi(diag::err_module_expected_semi); |
| 2148 | if (Import.isInvalid()) |
| 2149 | return nullptr; |
| 2150 | |
| 2151 | |
| 2152 | |
| 2153 | if (IsObjCAtImport && AtLoc.isValid()) { |
| 2154 | auto &SrcMgr = PP.getSourceManager(); |
| 2155 | auto *FE = SrcMgr.getFileEntryForID(SrcMgr.getFileID(AtLoc)); |
| 2156 | if (FE && llvm::sys::path::parent_path(FE->getDir()->getName()) |
| 2157 | .endswith(".framework")) |
| 2158 | Diags.Report(AtLoc, diag::warn_atimport_in_framework_header); |
| 2159 | } |
| 2160 | |
| 2161 | return Import.get(); |
| 2162 | } |
| 2163 | |
| 2164 | |
| 2165 | |
| 2166 | |
| 2167 | |
| 2168 | |
| 2169 | |
| 2170 | |
| 2171 | bool Parser::ParseModuleName( |
| 2172 | SourceLocation UseLoc, |
| 2173 | SmallVectorImpl<std::pair<IdentifierInfo *, SourceLocation>> &Path, |
| 2174 | bool IsImport) { |
| 2175 | |
| 2176 | while (true) { |
| 2177 | if (!Tok.is(tok::identifier)) { |
| 2178 | if (Tok.is(tok::code_completion)) { |
| 2179 | Actions.CodeCompleteModuleImport(UseLoc, Path); |
| 2180 | cutOffParsing(); |
| 2181 | return true; |
| 2182 | } |
| 2183 | |
| 2184 | Diag(Tok, diag::err_module_expected_ident) << IsImport; |
| 2185 | SkipUntil(tok::semi); |
| 2186 | return true; |
| 2187 | } |
| 2188 | |
| 2189 | |
| 2190 | Path.push_back(std::make_pair(Tok.getIdentifierInfo(), Tok.getLocation())); |
| 2191 | ConsumeToken(); |
| 2192 | |
| 2193 | if (Tok.isNot(tok::period)) |
| 2194 | return false; |
| 2195 | |
| 2196 | ConsumeToken(); |
| 2197 | } |
| 2198 | } |
| 2199 | |
| 2200 | |
| 2201 | |
| 2202 | |
| 2203 | |
| 2204 | bool Parser::parseMisplacedModuleImport() { |
| 2205 | while (true) { |
| 2206 | switch (Tok.getKind()) { |
| 2207 | case tok::annot_module_end: |
| 2208 | |
| 2209 | |
| 2210 | |
| 2211 | if (MisplacedModuleBeginCount) { |
| 2212 | --MisplacedModuleBeginCount; |
| 2213 | Actions.ActOnModuleEnd(Tok.getLocation(), |
| 2214 | reinterpret_cast<Module *>( |
| 2215 | Tok.getAnnotationValue())); |
| 2216 | ConsumeAnnotationToken(); |
| 2217 | continue; |
| 2218 | } |
| 2219 | |
| 2220 | |
| 2221 | |
| 2222 | return true; |
| 2223 | case tok::annot_module_begin: |
| 2224 | |
| 2225 | Actions.ActOnModuleBegin(Tok.getLocation(), |
| 2226 | reinterpret_cast<Module *>( |
| 2227 | Tok.getAnnotationValue())); |
| 2228 | ConsumeAnnotationToken(); |
| 2229 | ++MisplacedModuleBeginCount; |
| 2230 | continue; |
| 2231 | case tok::annot_module_include: |
| 2232 | |
| 2233 | |
| 2234 | Actions.ActOnModuleInclude(Tok.getLocation(), |
| 2235 | reinterpret_cast<Module *>( |
| 2236 | Tok.getAnnotationValue())); |
| 2237 | ConsumeAnnotationToken(); |
| 2238 | |
| 2239 | continue; |
| 2240 | default: |
| 2241 | return false; |
| 2242 | } |
| 2243 | } |
| 2244 | return false; |
| 2245 | } |
| 2246 | |
| 2247 | bool BalancedDelimiterTracker::diagnoseOverflow() { |
| 2248 | P.Diag(P.Tok, diag::err_bracket_depth_exceeded) |
| 2249 | << P.getLangOpts().BracketDepth; |
| 2250 | P.Diag(P.Tok, diag::note_bracket_depth); |
| 2251 | P.cutOffParsing(); |
| 2252 | return true; |
| 2253 | } |
| 2254 | |
| 2255 | bool BalancedDelimiterTracker::expectAndConsume(unsigned DiagID, |
| 2256 | const char *Msg, |
| 2257 | tok::TokenKind SkipToTok) { |
| 2258 | LOpen = P.Tok.getLocation(); |
| 2259 | if (P.ExpectAndConsume(Kind, DiagID, Msg)) { |
| 2260 | if (SkipToTok != tok::unknown) |
| 2261 | P.SkipUntil(SkipToTok, Parser::StopAtSemi); |
| 2262 | return true; |
| 2263 | } |
| 2264 | |
| 2265 | if (getDepth() < P.getLangOpts().BracketDepth) |
| 2266 | return false; |
| 2267 | |
| 2268 | return diagnoseOverflow(); |
| 2269 | } |
| 2270 | |
| 2271 | bool BalancedDelimiterTracker::diagnoseMissingClose() { |
| 2272 | (0) . __assert_fail ("!P.Tok.is(Close) && \"Should have consumed closing delimiter\"", "/home/seafit/code_projects/clang_source/clang/lib/Parse/Parser.cpp", 2272, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!P.Tok.is(Close) && "Should have consumed closing delimiter"); |
| 2273 | |
| 2274 | if (P.Tok.is(tok::annot_module_end)) |
| 2275 | P.Diag(P.Tok, diag::err_missing_before_module_end) << Close; |
| 2276 | else |
| 2277 | P.Diag(P.Tok, diag::err_expected) << Close; |
| 2278 | P.Diag(LOpen, diag::note_matching) << Kind; |
| 2279 | |
| 2280 | |
| 2281 | |
| 2282 | if (P.Tok.isNot(tok::r_paren) && P.Tok.isNot(tok::r_brace) && |
| 2283 | P.Tok.isNot(tok::r_square) && |
| 2284 | P.SkipUntil(Close, FinalToken, |
| 2285 | Parser::StopAtSemi | Parser::StopBeforeMatch) && |
| 2286 | P.Tok.is(Close)) |
| 2287 | LClose = P.ConsumeAnyToken(); |
| 2288 | return true; |
| 2289 | } |
| 2290 | |
| 2291 | void BalancedDelimiterTracker::skipToEnd() { |
| 2292 | P.SkipUntil(Close, Parser::StopBeforeMatch); |
| 2293 | consumeClose(); |
| 2294 | } |
| 2295 | |