ASTWriterStmt.cpp revision 428edafa9eb80e01dd40aab31d4166a787a741e1
1//===--- ASTWriterStmt.cpp - Statement and Expression Serialization -------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file implements serialization for Statements and Expressions. 11// 12//===----------------------------------------------------------------------===// 13 14#include "clang/Serialization/ASTWriter.h" 15#include "clang/AST/DeclCXX.h" 16#include "clang/AST/DeclObjC.h" 17#include "clang/AST/StmtVisitor.h" 18#include "llvm/Bitcode/BitstreamWriter.h" 19using namespace clang; 20 21//===----------------------------------------------------------------------===// 22// Statement/expression serialization 23//===----------------------------------------------------------------------===// 24 25namespace clang { 26 class ASTStmtWriter : public StmtVisitor<ASTStmtWriter, void> { 27 ASTWriter &Writer; 28 ASTWriter::RecordData &Record; 29 30 public: 31 serialization::StmtCode Code; 32 33 ASTStmtWriter(ASTWriter &Writer, ASTWriter::RecordData &Record) 34 : Writer(Writer), Record(Record) { } 35 36 void 37 AddExplicitTemplateArgumentList(const ExplicitTemplateArgumentList &Args); 38 39 void VisitStmt(Stmt *S); 40 void VisitNullStmt(NullStmt *S); 41 void VisitCompoundStmt(CompoundStmt *S); 42 void VisitSwitchCase(SwitchCase *S); 43 void VisitCaseStmt(CaseStmt *S); 44 void VisitDefaultStmt(DefaultStmt *S); 45 void VisitLabelStmt(LabelStmt *S); 46 void VisitIfStmt(IfStmt *S); 47 void VisitSwitchStmt(SwitchStmt *S); 48 void VisitWhileStmt(WhileStmt *S); 49 void VisitDoStmt(DoStmt *S); 50 void VisitForStmt(ForStmt *S); 51 void VisitGotoStmt(GotoStmt *S); 52 void VisitIndirectGotoStmt(IndirectGotoStmt *S); 53 void VisitContinueStmt(ContinueStmt *S); 54 void VisitBreakStmt(BreakStmt *S); 55 void VisitReturnStmt(ReturnStmt *S); 56 void VisitDeclStmt(DeclStmt *S); 57 void VisitAsmStmt(AsmStmt *S); 58 void VisitExpr(Expr *E); 59 void VisitPredefinedExpr(PredefinedExpr *E); 60 void VisitDeclRefExpr(DeclRefExpr *E); 61 void VisitIntegerLiteral(IntegerLiteral *E); 62 void VisitFloatingLiteral(FloatingLiteral *E); 63 void VisitImaginaryLiteral(ImaginaryLiteral *E); 64 void VisitStringLiteral(StringLiteral *E); 65 void VisitCharacterLiteral(CharacterLiteral *E); 66 void VisitParenExpr(ParenExpr *E); 67 void VisitParenListExpr(ParenListExpr *E); 68 void VisitUnaryOperator(UnaryOperator *E); 69 void VisitOffsetOfExpr(OffsetOfExpr *E); 70 void VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E); 71 void VisitArraySubscriptExpr(ArraySubscriptExpr *E); 72 void VisitCallExpr(CallExpr *E); 73 void VisitMemberExpr(MemberExpr *E); 74 void VisitCastExpr(CastExpr *E); 75 void VisitBinaryOperator(BinaryOperator *E); 76 void VisitCompoundAssignOperator(CompoundAssignOperator *E); 77 void VisitConditionalOperator(ConditionalOperator *E); 78 void VisitImplicitCastExpr(ImplicitCastExpr *E); 79 void VisitExplicitCastExpr(ExplicitCastExpr *E); 80 void VisitCStyleCastExpr(CStyleCastExpr *E); 81 void VisitCompoundLiteralExpr(CompoundLiteralExpr *E); 82 void VisitExtVectorElementExpr(ExtVectorElementExpr *E); 83 void VisitInitListExpr(InitListExpr *E); 84 void VisitDesignatedInitExpr(DesignatedInitExpr *E); 85 void VisitImplicitValueInitExpr(ImplicitValueInitExpr *E); 86 void VisitVAArgExpr(VAArgExpr *E); 87 void VisitAddrLabelExpr(AddrLabelExpr *E); 88 void VisitStmtExpr(StmtExpr *E); 89 void VisitTypesCompatibleExpr(TypesCompatibleExpr *E); 90 void VisitChooseExpr(ChooseExpr *E); 91 void VisitGNUNullExpr(GNUNullExpr *E); 92 void VisitShuffleVectorExpr(ShuffleVectorExpr *E); 93 void VisitBlockExpr(BlockExpr *E); 94 void VisitBlockDeclRefExpr(BlockDeclRefExpr *E); 95 96 // Objective-C Expressions 97 void VisitObjCStringLiteral(ObjCStringLiteral *E); 98 void VisitObjCEncodeExpr(ObjCEncodeExpr *E); 99 void VisitObjCSelectorExpr(ObjCSelectorExpr *E); 100 void VisitObjCProtocolExpr(ObjCProtocolExpr *E); 101 void VisitObjCIvarRefExpr(ObjCIvarRefExpr *E); 102 void VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E); 103 void VisitObjCImplicitSetterGetterRefExpr( 104 ObjCImplicitSetterGetterRefExpr *E); 105 void VisitObjCMessageExpr(ObjCMessageExpr *E); 106 void VisitObjCIsaExpr(ObjCIsaExpr *E); 107 108 // Objective-C Statements 109 void VisitObjCForCollectionStmt(ObjCForCollectionStmt *); 110 void VisitObjCAtCatchStmt(ObjCAtCatchStmt *); 111 void VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *); 112 void VisitObjCAtTryStmt(ObjCAtTryStmt *); 113 void VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *); 114 void VisitObjCAtThrowStmt(ObjCAtThrowStmt *); 115 116 // C++ Statements 117 void VisitCXXCatchStmt(CXXCatchStmt *S); 118 void VisitCXXTryStmt(CXXTryStmt *S); 119 120 void VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E); 121 void VisitCXXMemberCallExpr(CXXMemberCallExpr *E); 122 void VisitCXXConstructExpr(CXXConstructExpr *E); 123 void VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E); 124 void VisitCXXNamedCastExpr(CXXNamedCastExpr *E); 125 void VisitCXXStaticCastExpr(CXXStaticCastExpr *E); 126 void VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E); 127 void VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E); 128 void VisitCXXConstCastExpr(CXXConstCastExpr *E); 129 void VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E); 130 void VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E); 131 void VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E); 132 void VisitCXXTypeidExpr(CXXTypeidExpr *E); 133 void VisitCXXUuidofExpr(CXXUuidofExpr *E); 134 void VisitCXXThisExpr(CXXThisExpr *E); 135 void VisitCXXThrowExpr(CXXThrowExpr *E); 136 void VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E); 137 void VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E); 138 139 void VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E); 140 void VisitCXXNewExpr(CXXNewExpr *E); 141 void VisitCXXDeleteExpr(CXXDeleteExpr *E); 142 void VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E); 143 144 void VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E); 145 void VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E); 146 void VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E); 147 void VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E); 148 149 void VisitOverloadExpr(OverloadExpr *E); 150 void VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E); 151 void VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E); 152 153 void VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E); 154 void VisitCXXNoexceptExpr(CXXNoexceptExpr *E); 155 }; 156} 157 158void ASTStmtWriter:: 159AddExplicitTemplateArgumentList(const ExplicitTemplateArgumentList &Args) { 160 Writer.AddSourceLocation(Args.LAngleLoc, Record); 161 Writer.AddSourceLocation(Args.RAngleLoc, Record); 162 for (unsigned i=0; i != Args.NumTemplateArgs; ++i) 163 Writer.AddTemplateArgumentLoc(Args.getTemplateArgs()[i], Record); 164} 165 166void ASTStmtWriter::VisitStmt(Stmt *S) { 167} 168 169void ASTStmtWriter::VisitNullStmt(NullStmt *S) { 170 VisitStmt(S); 171 Writer.AddSourceLocation(S->getSemiLoc(), Record); 172 Code = serialization::STMT_NULL; 173} 174 175void ASTStmtWriter::VisitCompoundStmt(CompoundStmt *S) { 176 VisitStmt(S); 177 Record.push_back(S->size()); 178 for (CompoundStmt::body_iterator CS = S->body_begin(), CSEnd = S->body_end(); 179 CS != CSEnd; ++CS) 180 Writer.AddStmt(*CS); 181 Writer.AddSourceLocation(S->getLBracLoc(), Record); 182 Writer.AddSourceLocation(S->getRBracLoc(), Record); 183 Code = serialization::STMT_COMPOUND; 184} 185 186void ASTStmtWriter::VisitSwitchCase(SwitchCase *S) { 187 VisitStmt(S); 188 Record.push_back(Writer.getSwitchCaseID(S)); 189} 190 191void ASTStmtWriter::VisitCaseStmt(CaseStmt *S) { 192 VisitSwitchCase(S); 193 Writer.AddStmt(S->getLHS()); 194 Writer.AddStmt(S->getRHS()); 195 Writer.AddStmt(S->getSubStmt()); 196 Writer.AddSourceLocation(S->getCaseLoc(), Record); 197 Writer.AddSourceLocation(S->getEllipsisLoc(), Record); 198 Writer.AddSourceLocation(S->getColonLoc(), Record); 199 Code = serialization::STMT_CASE; 200} 201 202void ASTStmtWriter::VisitDefaultStmt(DefaultStmt *S) { 203 VisitSwitchCase(S); 204 Writer.AddStmt(S->getSubStmt()); 205 Writer.AddSourceLocation(S->getDefaultLoc(), Record); 206 Writer.AddSourceLocation(S->getColonLoc(), Record); 207 Code = serialization::STMT_DEFAULT; 208} 209 210void ASTStmtWriter::VisitLabelStmt(LabelStmt *S) { 211 VisitStmt(S); 212 Writer.AddIdentifierRef(S->getID(), Record); 213 Writer.AddStmt(S->getSubStmt()); 214 Writer.AddSourceLocation(S->getIdentLoc(), Record); 215 Record.push_back(S->isUsed()); 216 Record.push_back(S->HasUnusedAttribute()); 217 Record.push_back(Writer.GetLabelID(S)); 218 Code = serialization::STMT_LABEL; 219} 220 221void ASTStmtWriter::VisitIfStmt(IfStmt *S) { 222 VisitStmt(S); 223 Writer.AddDeclRef(S->getConditionVariable(), Record); 224 Writer.AddStmt(S->getCond()); 225 Writer.AddStmt(S->getThen()); 226 Writer.AddStmt(S->getElse()); 227 Writer.AddSourceLocation(S->getIfLoc(), Record); 228 Writer.AddSourceLocation(S->getElseLoc(), Record); 229 Code = serialization::STMT_IF; 230} 231 232void ASTStmtWriter::VisitSwitchStmt(SwitchStmt *S) { 233 VisitStmt(S); 234 Writer.AddDeclRef(S->getConditionVariable(), Record); 235 Writer.AddStmt(S->getCond()); 236 Writer.AddStmt(S->getBody()); 237 Writer.AddSourceLocation(S->getSwitchLoc(), Record); 238 Record.push_back(S->isAllEnumCasesCovered()); 239 for (SwitchCase *SC = S->getSwitchCaseList(); SC; 240 SC = SC->getNextSwitchCase()) 241 Record.push_back(Writer.RecordSwitchCaseID(SC)); 242 Code = serialization::STMT_SWITCH; 243} 244 245void ASTStmtWriter::VisitWhileStmt(WhileStmt *S) { 246 VisitStmt(S); 247 Writer.AddDeclRef(S->getConditionVariable(), Record); 248 Writer.AddStmt(S->getCond()); 249 Writer.AddStmt(S->getBody()); 250 Writer.AddSourceLocation(S->getWhileLoc(), Record); 251 Code = serialization::STMT_WHILE; 252} 253 254void ASTStmtWriter::VisitDoStmt(DoStmt *S) { 255 VisitStmt(S); 256 Writer.AddStmt(S->getCond()); 257 Writer.AddStmt(S->getBody()); 258 Writer.AddSourceLocation(S->getDoLoc(), Record); 259 Writer.AddSourceLocation(S->getWhileLoc(), Record); 260 Writer.AddSourceLocation(S->getRParenLoc(), Record); 261 Code = serialization::STMT_DO; 262} 263 264void ASTStmtWriter::VisitForStmt(ForStmt *S) { 265 VisitStmt(S); 266 Writer.AddStmt(S->getInit()); 267 Writer.AddStmt(S->getCond()); 268 Writer.AddDeclRef(S->getConditionVariable(), Record); 269 Writer.AddStmt(S->getInc()); 270 Writer.AddStmt(S->getBody()); 271 Writer.AddSourceLocation(S->getForLoc(), Record); 272 Writer.AddSourceLocation(S->getLParenLoc(), Record); 273 Writer.AddSourceLocation(S->getRParenLoc(), Record); 274 Code = serialization::STMT_FOR; 275} 276 277void ASTStmtWriter::VisitGotoStmt(GotoStmt *S) { 278 VisitStmt(S); 279 Record.push_back(Writer.GetLabelID(S->getLabel())); 280 Writer.AddSourceLocation(S->getGotoLoc(), Record); 281 Writer.AddSourceLocation(S->getLabelLoc(), Record); 282 Code = serialization::STMT_GOTO; 283} 284 285void ASTStmtWriter::VisitIndirectGotoStmt(IndirectGotoStmt *S) { 286 VisitStmt(S); 287 Writer.AddSourceLocation(S->getGotoLoc(), Record); 288 Writer.AddSourceLocation(S->getStarLoc(), Record); 289 Writer.AddStmt(S->getTarget()); 290 Code = serialization::STMT_INDIRECT_GOTO; 291} 292 293void ASTStmtWriter::VisitContinueStmt(ContinueStmt *S) { 294 VisitStmt(S); 295 Writer.AddSourceLocation(S->getContinueLoc(), Record); 296 Code = serialization::STMT_CONTINUE; 297} 298 299void ASTStmtWriter::VisitBreakStmt(BreakStmt *S) { 300 VisitStmt(S); 301 Writer.AddSourceLocation(S->getBreakLoc(), Record); 302 Code = serialization::STMT_BREAK; 303} 304 305void ASTStmtWriter::VisitReturnStmt(ReturnStmt *S) { 306 VisitStmt(S); 307 Writer.AddStmt(S->getRetValue()); 308 Writer.AddSourceLocation(S->getReturnLoc(), Record); 309 Writer.AddDeclRef(S->getNRVOCandidate(), Record); 310 Code = serialization::STMT_RETURN; 311} 312 313void ASTStmtWriter::VisitDeclStmt(DeclStmt *S) { 314 VisitStmt(S); 315 Writer.AddSourceLocation(S->getStartLoc(), Record); 316 Writer.AddSourceLocation(S->getEndLoc(), Record); 317 DeclGroupRef DG = S->getDeclGroup(); 318 for (DeclGroupRef::iterator D = DG.begin(), DEnd = DG.end(); D != DEnd; ++D) 319 Writer.AddDeclRef(*D, Record); 320 Code = serialization::STMT_DECL; 321} 322 323void ASTStmtWriter::VisitAsmStmt(AsmStmt *S) { 324 VisitStmt(S); 325 Record.push_back(S->getNumOutputs()); 326 Record.push_back(S->getNumInputs()); 327 Record.push_back(S->getNumClobbers()); 328 Writer.AddSourceLocation(S->getAsmLoc(), Record); 329 Writer.AddSourceLocation(S->getRParenLoc(), Record); 330 Record.push_back(S->isVolatile()); 331 Record.push_back(S->isSimple()); 332 Record.push_back(S->isMSAsm()); 333 Writer.AddStmt(S->getAsmString()); 334 335 // Outputs 336 for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) { 337 Writer.AddIdentifierRef(S->getOutputIdentifier(I), Record); 338 Writer.AddStmt(S->getOutputConstraintLiteral(I)); 339 Writer.AddStmt(S->getOutputExpr(I)); 340 } 341 342 // Inputs 343 for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) { 344 Writer.AddIdentifierRef(S->getInputIdentifier(I), Record); 345 Writer.AddStmt(S->getInputConstraintLiteral(I)); 346 Writer.AddStmt(S->getInputExpr(I)); 347 } 348 349 // Clobbers 350 for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I) 351 Writer.AddStmt(S->getClobber(I)); 352 353 Code = serialization::STMT_ASM; 354} 355 356void ASTStmtWriter::VisitExpr(Expr *E) { 357 VisitStmt(E); 358 Writer.AddTypeRef(E->getType(), Record); 359 Record.push_back(E->isTypeDependent()); 360 Record.push_back(E->isValueDependent()); 361} 362 363void ASTStmtWriter::VisitPredefinedExpr(PredefinedExpr *E) { 364 VisitExpr(E); 365 Writer.AddSourceLocation(E->getLocation(), Record); 366 Record.push_back(E->getIdentType()); // FIXME: stable encoding 367 Code = serialization::EXPR_PREDEFINED; 368} 369 370void ASTStmtWriter::VisitDeclRefExpr(DeclRefExpr *E) { 371 VisitExpr(E); 372 373 Record.push_back(E->hasQualifier()); 374 unsigned NumTemplateArgs = E->getNumTemplateArgs(); 375 assert((NumTemplateArgs != 0) == E->hasExplicitTemplateArgs() && 376 "Template args list with no args ?"); 377 Record.push_back(NumTemplateArgs); 378 379 if (E->hasQualifier()) { 380 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 381 Writer.AddSourceRange(E->getQualifierRange(), Record); 382 } 383 384 if (NumTemplateArgs) 385 AddExplicitTemplateArgumentList(E->getExplicitTemplateArgs()); 386 387 Writer.AddDeclRef(E->getDecl(), Record); 388 Writer.AddSourceLocation(E->getLocation(), Record); 389 Writer.AddDeclarationNameLoc(E->DNLoc, E->getDecl()->getDeclName(), Record); 390 Code = serialization::EXPR_DECL_REF; 391} 392 393void ASTStmtWriter::VisitIntegerLiteral(IntegerLiteral *E) { 394 VisitExpr(E); 395 Writer.AddSourceLocation(E->getLocation(), Record); 396 Writer.AddAPInt(E->getValue(), Record); 397 Code = serialization::EXPR_INTEGER_LITERAL; 398} 399 400void ASTStmtWriter::VisitFloatingLiteral(FloatingLiteral *E) { 401 VisitExpr(E); 402 Writer.AddAPFloat(E->getValue(), Record); 403 Record.push_back(E->isExact()); 404 Writer.AddSourceLocation(E->getLocation(), Record); 405 Code = serialization::EXPR_FLOATING_LITERAL; 406} 407 408void ASTStmtWriter::VisitImaginaryLiteral(ImaginaryLiteral *E) { 409 VisitExpr(E); 410 Writer.AddStmt(E->getSubExpr()); 411 Code = serialization::EXPR_IMAGINARY_LITERAL; 412} 413 414void ASTStmtWriter::VisitStringLiteral(StringLiteral *E) { 415 VisitExpr(E); 416 Record.push_back(E->getByteLength()); 417 Record.push_back(E->getNumConcatenated()); 418 Record.push_back(E->isWide()); 419 // FIXME: String data should be stored as a blob at the end of the 420 // StringLiteral. However, we can't do so now because we have no 421 // provision for coping with abbreviations when we're jumping around 422 // the AST file during deserialization. 423 Record.append(E->getString().begin(), E->getString().end()); 424 for (unsigned I = 0, N = E->getNumConcatenated(); I != N; ++I) 425 Writer.AddSourceLocation(E->getStrTokenLoc(I), Record); 426 Code = serialization::EXPR_STRING_LITERAL; 427} 428 429void ASTStmtWriter::VisitCharacterLiteral(CharacterLiteral *E) { 430 VisitExpr(E); 431 Record.push_back(E->getValue()); 432 Writer.AddSourceLocation(E->getLocation(), Record); 433 Record.push_back(E->isWide()); 434 Code = serialization::EXPR_CHARACTER_LITERAL; 435} 436 437void ASTStmtWriter::VisitParenExpr(ParenExpr *E) { 438 VisitExpr(E); 439 Writer.AddSourceLocation(E->getLParen(), Record); 440 Writer.AddSourceLocation(E->getRParen(), Record); 441 Writer.AddStmt(E->getSubExpr()); 442 Code = serialization::EXPR_PAREN; 443} 444 445void ASTStmtWriter::VisitParenListExpr(ParenListExpr *E) { 446 VisitExpr(E); 447 Record.push_back(E->NumExprs); 448 for (unsigned i=0; i != E->NumExprs; ++i) 449 Writer.AddStmt(E->Exprs[i]); 450 Writer.AddSourceLocation(E->LParenLoc, Record); 451 Writer.AddSourceLocation(E->RParenLoc, Record); 452 Code = serialization::EXPR_PAREN_LIST; 453} 454 455void ASTStmtWriter::VisitUnaryOperator(UnaryOperator *E) { 456 VisitExpr(E); 457 Writer.AddStmt(E->getSubExpr()); 458 Record.push_back(E->getOpcode()); // FIXME: stable encoding 459 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 460 Code = serialization::EXPR_UNARY_OPERATOR; 461} 462 463void ASTStmtWriter::VisitOffsetOfExpr(OffsetOfExpr *E) { 464 VisitExpr(E); 465 Record.push_back(E->getNumComponents()); 466 Record.push_back(E->getNumExpressions()); 467 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 468 Writer.AddSourceLocation(E->getRParenLoc(), Record); 469 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 470 for (unsigned I = 0, N = E->getNumComponents(); I != N; ++I) { 471 const OffsetOfExpr::OffsetOfNode &ON = E->getComponent(I); 472 Record.push_back(ON.getKind()); // FIXME: Stable encoding 473 Writer.AddSourceLocation(ON.getRange().getBegin(), Record); 474 Writer.AddSourceLocation(ON.getRange().getEnd(), Record); 475 switch (ON.getKind()) { 476 case OffsetOfExpr::OffsetOfNode::Array: 477 Record.push_back(ON.getArrayExprIndex()); 478 break; 479 480 case OffsetOfExpr::OffsetOfNode::Field: 481 Writer.AddDeclRef(ON.getField(), Record); 482 break; 483 484 case OffsetOfExpr::OffsetOfNode::Identifier: 485 Writer.AddIdentifierRef(ON.getFieldName(), Record); 486 break; 487 488 case OffsetOfExpr::OffsetOfNode::Base: 489 Writer.AddCXXBaseSpecifier(*ON.getBase(), Record); 490 break; 491 } 492 } 493 for (unsigned I = 0, N = E->getNumExpressions(); I != N; ++I) 494 Writer.AddStmt(E->getIndexExpr(I)); 495 Code = serialization::EXPR_OFFSETOF; 496} 497 498void ASTStmtWriter::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E) { 499 VisitExpr(E); 500 Record.push_back(E->isSizeOf()); 501 if (E->isArgumentType()) 502 Writer.AddTypeSourceInfo(E->getArgumentTypeInfo(), Record); 503 else { 504 Record.push_back(0); 505 Writer.AddStmt(E->getArgumentExpr()); 506 } 507 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 508 Writer.AddSourceLocation(E->getRParenLoc(), Record); 509 Code = serialization::EXPR_SIZEOF_ALIGN_OF; 510} 511 512void ASTStmtWriter::VisitArraySubscriptExpr(ArraySubscriptExpr *E) { 513 VisitExpr(E); 514 Writer.AddStmt(E->getLHS()); 515 Writer.AddStmt(E->getRHS()); 516 Writer.AddSourceLocation(E->getRBracketLoc(), Record); 517 Code = serialization::EXPR_ARRAY_SUBSCRIPT; 518} 519 520void ASTStmtWriter::VisitCallExpr(CallExpr *E) { 521 VisitExpr(E); 522 Record.push_back(E->getNumArgs()); 523 Writer.AddSourceLocation(E->getRParenLoc(), Record); 524 Writer.AddStmt(E->getCallee()); 525 for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end(); 526 Arg != ArgEnd; ++Arg) 527 Writer.AddStmt(*Arg); 528 Code = serialization::EXPR_CALL; 529} 530 531void ASTStmtWriter::VisitMemberExpr(MemberExpr *E) { 532 // Don't call VisitExpr, we'll write everything here. 533 534 Record.push_back(E->hasQualifier()); 535 if (E->hasQualifier()) { 536 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 537 Writer.AddSourceRange(E->getQualifierRange(), Record); 538 } 539 540 unsigned NumTemplateArgs = E->getNumTemplateArgs(); 541 assert((NumTemplateArgs != 0) == E->hasExplicitTemplateArgs() && 542 "Template args list with no args ?"); 543 Record.push_back(NumTemplateArgs); 544 if (NumTemplateArgs) { 545 Writer.AddSourceLocation(E->getLAngleLoc(), Record); 546 Writer.AddSourceLocation(E->getRAngleLoc(), Record); 547 for (unsigned i=0; i != NumTemplateArgs; ++i) 548 Writer.AddTemplateArgumentLoc(E->getTemplateArgs()[i], Record); 549 } 550 551 DeclAccessPair FoundDecl = E->getFoundDecl(); 552 Writer.AddDeclRef(FoundDecl.getDecl(), Record); 553 Record.push_back(FoundDecl.getAccess()); 554 555 Writer.AddTypeRef(E->getType(), Record); 556 Writer.AddStmt(E->getBase()); 557 Writer.AddDeclRef(E->getMemberDecl(), Record); 558 Writer.AddSourceLocation(E->getMemberLoc(), Record); 559 Record.push_back(E->isArrow()); 560 Writer.AddDeclarationNameLoc(E->MemberDNLoc, 561 E->getMemberDecl()->getDeclName(), Record); 562 Code = serialization::EXPR_MEMBER; 563} 564 565void ASTStmtWriter::VisitObjCIsaExpr(ObjCIsaExpr *E) { 566 VisitExpr(E); 567 Writer.AddStmt(E->getBase()); 568 Writer.AddSourceLocation(E->getIsaMemberLoc(), Record); 569 Record.push_back(E->isArrow()); 570 Code = serialization::EXPR_OBJC_ISA; 571} 572 573void ASTStmtWriter::VisitCastExpr(CastExpr *E) { 574 VisitExpr(E); 575 Record.push_back(E->path_size()); 576 Writer.AddStmt(E->getSubExpr()); 577 Record.push_back(E->getCastKind()); // FIXME: stable encoding 578 579 for (CastExpr::path_iterator 580 PI = E->path_begin(), PE = E->path_end(); PI != PE; ++PI) 581 Writer.AddCXXBaseSpecifier(**PI, Record); 582} 583 584void ASTStmtWriter::VisitBinaryOperator(BinaryOperator *E) { 585 VisitExpr(E); 586 Writer.AddStmt(E->getLHS()); 587 Writer.AddStmt(E->getRHS()); 588 Record.push_back(E->getOpcode()); // FIXME: stable encoding 589 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 590 Code = serialization::EXPR_BINARY_OPERATOR; 591} 592 593void ASTStmtWriter::VisitCompoundAssignOperator(CompoundAssignOperator *E) { 594 VisitBinaryOperator(E); 595 Writer.AddTypeRef(E->getComputationLHSType(), Record); 596 Writer.AddTypeRef(E->getComputationResultType(), Record); 597 Code = serialization::EXPR_COMPOUND_ASSIGN_OPERATOR; 598} 599 600void ASTStmtWriter::VisitConditionalOperator(ConditionalOperator *E) { 601 VisitExpr(E); 602 Writer.AddStmt(E->getCond()); 603 Writer.AddStmt(E->getLHS()); 604 Writer.AddStmt(E->getRHS()); 605 Writer.AddStmt(E->getSAVE()); 606 Writer.AddSourceLocation(E->getQuestionLoc(), Record); 607 Writer.AddSourceLocation(E->getColonLoc(), Record); 608 Code = serialization::EXPR_CONDITIONAL_OPERATOR; 609} 610 611void ASTStmtWriter::VisitImplicitCastExpr(ImplicitCastExpr *E) { 612 VisitCastExpr(E); 613 Record.push_back(E->getValueKind()); 614 Code = serialization::EXPR_IMPLICIT_CAST; 615} 616 617void ASTStmtWriter::VisitExplicitCastExpr(ExplicitCastExpr *E) { 618 VisitCastExpr(E); 619 Writer.AddTypeSourceInfo(E->getTypeInfoAsWritten(), Record); 620} 621 622void ASTStmtWriter::VisitCStyleCastExpr(CStyleCastExpr *E) { 623 VisitExplicitCastExpr(E); 624 Writer.AddSourceLocation(E->getLParenLoc(), Record); 625 Writer.AddSourceLocation(E->getRParenLoc(), Record); 626 Code = serialization::EXPR_CSTYLE_CAST; 627} 628 629void ASTStmtWriter::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) { 630 VisitExpr(E); 631 Writer.AddSourceLocation(E->getLParenLoc(), Record); 632 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 633 Writer.AddStmt(E->getInitializer()); 634 Record.push_back(E->isFileScope()); 635 Code = serialization::EXPR_COMPOUND_LITERAL; 636} 637 638void ASTStmtWriter::VisitExtVectorElementExpr(ExtVectorElementExpr *E) { 639 VisitExpr(E); 640 Writer.AddStmt(E->getBase()); 641 Writer.AddIdentifierRef(&E->getAccessor(), Record); 642 Writer.AddSourceLocation(E->getAccessorLoc(), Record); 643 Code = serialization::EXPR_EXT_VECTOR_ELEMENT; 644} 645 646void ASTStmtWriter::VisitInitListExpr(InitListExpr *E) { 647 VisitExpr(E); 648 Record.push_back(E->getNumInits()); 649 for (unsigned I = 0, N = E->getNumInits(); I != N; ++I) 650 Writer.AddStmt(E->getInit(I)); 651 Writer.AddStmt(E->getSyntacticForm()); 652 Writer.AddSourceLocation(E->getLBraceLoc(), Record); 653 Writer.AddSourceLocation(E->getRBraceLoc(), Record); 654 Writer.AddDeclRef(E->getInitializedFieldInUnion(), Record); 655 Record.push_back(E->hadArrayRangeDesignator()); 656 Code = serialization::EXPR_INIT_LIST; 657} 658 659void ASTStmtWriter::VisitDesignatedInitExpr(DesignatedInitExpr *E) { 660 VisitExpr(E); 661 Record.push_back(E->getNumSubExprs()); 662 for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I) 663 Writer.AddStmt(E->getSubExpr(I)); 664 Writer.AddSourceLocation(E->getEqualOrColonLoc(), Record); 665 Record.push_back(E->usesGNUSyntax()); 666 for (DesignatedInitExpr::designators_iterator D = E->designators_begin(), 667 DEnd = E->designators_end(); 668 D != DEnd; ++D) { 669 if (D->isFieldDesignator()) { 670 if (FieldDecl *Field = D->getField()) { 671 Record.push_back(serialization::DESIG_FIELD_DECL); 672 Writer.AddDeclRef(Field, Record); 673 } else { 674 Record.push_back(serialization::DESIG_FIELD_NAME); 675 Writer.AddIdentifierRef(D->getFieldName(), Record); 676 } 677 Writer.AddSourceLocation(D->getDotLoc(), Record); 678 Writer.AddSourceLocation(D->getFieldLoc(), Record); 679 } else if (D->isArrayDesignator()) { 680 Record.push_back(serialization::DESIG_ARRAY); 681 Record.push_back(D->getFirstExprIndex()); 682 Writer.AddSourceLocation(D->getLBracketLoc(), Record); 683 Writer.AddSourceLocation(D->getRBracketLoc(), Record); 684 } else { 685 assert(D->isArrayRangeDesignator() && "Unknown designator"); 686 Record.push_back(serialization::DESIG_ARRAY_RANGE); 687 Record.push_back(D->getFirstExprIndex()); 688 Writer.AddSourceLocation(D->getLBracketLoc(), Record); 689 Writer.AddSourceLocation(D->getEllipsisLoc(), Record); 690 Writer.AddSourceLocation(D->getRBracketLoc(), Record); 691 } 692 } 693 Code = serialization::EXPR_DESIGNATED_INIT; 694} 695 696void ASTStmtWriter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) { 697 VisitExpr(E); 698 Code = serialization::EXPR_IMPLICIT_VALUE_INIT; 699} 700 701void ASTStmtWriter::VisitVAArgExpr(VAArgExpr *E) { 702 VisitExpr(E); 703 Writer.AddStmt(E->getSubExpr()); 704 Writer.AddTypeSourceInfo(E->getWrittenTypeInfo(), Record); 705 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 706 Writer.AddSourceLocation(E->getRParenLoc(), Record); 707 Code = serialization::EXPR_VA_ARG; 708} 709 710void ASTStmtWriter::VisitAddrLabelExpr(AddrLabelExpr *E) { 711 VisitExpr(E); 712 Writer.AddSourceLocation(E->getAmpAmpLoc(), Record); 713 Writer.AddSourceLocation(E->getLabelLoc(), Record); 714 Record.push_back(Writer.GetLabelID(E->getLabel())); 715 Code = serialization::EXPR_ADDR_LABEL; 716} 717 718void ASTStmtWriter::VisitStmtExpr(StmtExpr *E) { 719 VisitExpr(E); 720 Writer.AddStmt(E->getSubStmt()); 721 Writer.AddSourceLocation(E->getLParenLoc(), Record); 722 Writer.AddSourceLocation(E->getRParenLoc(), Record); 723 Code = serialization::EXPR_STMT; 724} 725 726void ASTStmtWriter::VisitTypesCompatibleExpr(TypesCompatibleExpr *E) { 727 VisitExpr(E); 728 Writer.AddTypeSourceInfo(E->getArgTInfo1(), Record); 729 Writer.AddTypeSourceInfo(E->getArgTInfo2(), Record); 730 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 731 Writer.AddSourceLocation(E->getRParenLoc(), Record); 732 Code = serialization::EXPR_TYPES_COMPATIBLE; 733} 734 735void ASTStmtWriter::VisitChooseExpr(ChooseExpr *E) { 736 VisitExpr(E); 737 Writer.AddStmt(E->getCond()); 738 Writer.AddStmt(E->getLHS()); 739 Writer.AddStmt(E->getRHS()); 740 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 741 Writer.AddSourceLocation(E->getRParenLoc(), Record); 742 Code = serialization::EXPR_CHOOSE; 743} 744 745void ASTStmtWriter::VisitGNUNullExpr(GNUNullExpr *E) { 746 VisitExpr(E); 747 Writer.AddSourceLocation(E->getTokenLocation(), Record); 748 Code = serialization::EXPR_GNU_NULL; 749} 750 751void ASTStmtWriter::VisitShuffleVectorExpr(ShuffleVectorExpr *E) { 752 VisitExpr(E); 753 Record.push_back(E->getNumSubExprs()); 754 for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I) 755 Writer.AddStmt(E->getExpr(I)); 756 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 757 Writer.AddSourceLocation(E->getRParenLoc(), Record); 758 Code = serialization::EXPR_SHUFFLE_VECTOR; 759} 760 761void ASTStmtWriter::VisitBlockExpr(BlockExpr *E) { 762 VisitExpr(E); 763 Writer.AddDeclRef(E->getBlockDecl(), Record); 764 Record.push_back(E->hasBlockDeclRefExprs()); 765 Code = serialization::EXPR_BLOCK; 766} 767 768void ASTStmtWriter::VisitBlockDeclRefExpr(BlockDeclRefExpr *E) { 769 VisitExpr(E); 770 Writer.AddDeclRef(E->getDecl(), Record); 771 Writer.AddSourceLocation(E->getLocation(), Record); 772 Record.push_back(E->isByRef()); 773 Record.push_back(E->isConstQualAdded()); 774 Writer.AddStmt(E->getCopyConstructorExpr()); 775 Code = serialization::EXPR_BLOCK_DECL_REF; 776} 777 778//===----------------------------------------------------------------------===// 779// Objective-C Expressions and Statements. 780//===----------------------------------------------------------------------===// 781 782void ASTStmtWriter::VisitObjCStringLiteral(ObjCStringLiteral *E) { 783 VisitExpr(E); 784 Writer.AddStmt(E->getString()); 785 Writer.AddSourceLocation(E->getAtLoc(), Record); 786 Code = serialization::EXPR_OBJC_STRING_LITERAL; 787} 788 789void ASTStmtWriter::VisitObjCEncodeExpr(ObjCEncodeExpr *E) { 790 VisitExpr(E); 791 Writer.AddTypeSourceInfo(E->getEncodedTypeSourceInfo(), Record); 792 Writer.AddSourceLocation(E->getAtLoc(), Record); 793 Writer.AddSourceLocation(E->getRParenLoc(), Record); 794 Code = serialization::EXPR_OBJC_ENCODE; 795} 796 797void ASTStmtWriter::VisitObjCSelectorExpr(ObjCSelectorExpr *E) { 798 VisitExpr(E); 799 Writer.AddSelectorRef(E->getSelector(), Record); 800 Writer.AddSourceLocation(E->getAtLoc(), Record); 801 Writer.AddSourceLocation(E->getRParenLoc(), Record); 802 Code = serialization::EXPR_OBJC_SELECTOR_EXPR; 803} 804 805void ASTStmtWriter::VisitObjCProtocolExpr(ObjCProtocolExpr *E) { 806 VisitExpr(E); 807 Writer.AddDeclRef(E->getProtocol(), Record); 808 Writer.AddSourceLocation(E->getAtLoc(), Record); 809 Writer.AddSourceLocation(E->getRParenLoc(), Record); 810 Code = serialization::EXPR_OBJC_PROTOCOL_EXPR; 811} 812 813void ASTStmtWriter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) { 814 VisitExpr(E); 815 Writer.AddDeclRef(E->getDecl(), Record); 816 Writer.AddSourceLocation(E->getLocation(), Record); 817 Writer.AddStmt(E->getBase()); 818 Record.push_back(E->isArrow()); 819 Record.push_back(E->isFreeIvar()); 820 Code = serialization::EXPR_OBJC_IVAR_REF_EXPR; 821} 822 823void ASTStmtWriter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E) { 824 VisitExpr(E); 825 Writer.AddDeclRef(E->getProperty(), Record); 826 Writer.AddSourceLocation(E->getLocation(), Record); 827 Writer.AddSourceLocation(E->getSuperLocation(), Record); 828 if (E->isSuperReceiver()) 829 Writer.AddTypeRef(E->getSuperType(), Record); 830 else 831 Writer.AddStmt(E->getBase()); 832 833 Code = serialization::EXPR_OBJC_PROPERTY_REF_EXPR; 834} 835 836void ASTStmtWriter::VisitObjCImplicitSetterGetterRefExpr( 837 ObjCImplicitSetterGetterRefExpr *E) { 838 VisitExpr(E); 839 Writer.AddDeclRef(E->getGetterMethod(), Record); 840 Writer.AddDeclRef(E->getSetterMethod(), Record); 841 842 // NOTE: InterfaceDecl and Base are mutually exclusive. 843 Writer.AddDeclRef(E->getInterfaceDecl(), Record); 844 Writer.AddStmt(E->getBase()); 845 Writer.AddSourceLocation(E->getLocation(), Record); 846 Writer.AddSourceLocation(E->getClassLoc(), Record); 847 Writer.AddSourceLocation(E->getSuperLocation(), Record); 848 Writer.AddTypeRef(E->getSuperType(), Record); 849 Code = serialization::EXPR_OBJC_KVC_REF_EXPR; 850} 851 852void ASTStmtWriter::VisitObjCMessageExpr(ObjCMessageExpr *E) { 853 VisitExpr(E); 854 Record.push_back(E->getNumArgs()); 855 Record.push_back((unsigned)E->getReceiverKind()); // FIXME: stable encoding 856 switch (E->getReceiverKind()) { 857 case ObjCMessageExpr::Instance: 858 Writer.AddStmt(E->getInstanceReceiver()); 859 break; 860 861 case ObjCMessageExpr::Class: 862 Writer.AddTypeSourceInfo(E->getClassReceiverTypeInfo(), Record); 863 break; 864 865 case ObjCMessageExpr::SuperClass: 866 case ObjCMessageExpr::SuperInstance: 867 Writer.AddTypeRef(E->getSuperType(), Record); 868 Writer.AddSourceLocation(E->getSuperLoc(), Record); 869 break; 870 } 871 872 if (E->getMethodDecl()) { 873 Record.push_back(1); 874 Writer.AddDeclRef(E->getMethodDecl(), Record); 875 } else { 876 Record.push_back(0); 877 Writer.AddSelectorRef(E->getSelector(), Record); 878 } 879 880 Writer.AddSourceLocation(E->getLeftLoc(), Record); 881 Writer.AddSourceLocation(E->getRightLoc(), Record); 882 883 for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end(); 884 Arg != ArgEnd; ++Arg) 885 Writer.AddStmt(*Arg); 886 Code = serialization::EXPR_OBJC_MESSAGE_EXPR; 887} 888 889void ASTStmtWriter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) { 890 VisitStmt(S); 891 Writer.AddStmt(S->getElement()); 892 Writer.AddStmt(S->getCollection()); 893 Writer.AddStmt(S->getBody()); 894 Writer.AddSourceLocation(S->getForLoc(), Record); 895 Writer.AddSourceLocation(S->getRParenLoc(), Record); 896 Code = serialization::STMT_OBJC_FOR_COLLECTION; 897} 898 899void ASTStmtWriter::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) { 900 Writer.AddStmt(S->getCatchBody()); 901 Writer.AddDeclRef(S->getCatchParamDecl(), Record); 902 Writer.AddSourceLocation(S->getAtCatchLoc(), Record); 903 Writer.AddSourceLocation(S->getRParenLoc(), Record); 904 Code = serialization::STMT_OBJC_CATCH; 905} 906 907void ASTStmtWriter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) { 908 Writer.AddStmt(S->getFinallyBody()); 909 Writer.AddSourceLocation(S->getAtFinallyLoc(), Record); 910 Code = serialization::STMT_OBJC_FINALLY; 911} 912 913void ASTStmtWriter::VisitObjCAtTryStmt(ObjCAtTryStmt *S) { 914 Record.push_back(S->getNumCatchStmts()); 915 Record.push_back(S->getFinallyStmt() != 0); 916 Writer.AddStmt(S->getTryBody()); 917 for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I) 918 Writer.AddStmt(S->getCatchStmt(I)); 919 if (S->getFinallyStmt()) 920 Writer.AddStmt(S->getFinallyStmt()); 921 Writer.AddSourceLocation(S->getAtTryLoc(), Record); 922 Code = serialization::STMT_OBJC_AT_TRY; 923} 924 925void ASTStmtWriter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) { 926 Writer.AddStmt(S->getSynchExpr()); 927 Writer.AddStmt(S->getSynchBody()); 928 Writer.AddSourceLocation(S->getAtSynchronizedLoc(), Record); 929 Code = serialization::STMT_OBJC_AT_SYNCHRONIZED; 930} 931 932void ASTStmtWriter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) { 933 Writer.AddStmt(S->getThrowExpr()); 934 Writer.AddSourceLocation(S->getThrowLoc(), Record); 935 Code = serialization::STMT_OBJC_AT_THROW; 936} 937 938//===----------------------------------------------------------------------===// 939// C++ Expressions and Statements. 940//===----------------------------------------------------------------------===// 941 942void ASTStmtWriter::VisitCXXCatchStmt(CXXCatchStmt *S) { 943 VisitStmt(S); 944 Writer.AddSourceLocation(S->getCatchLoc(), Record); 945 Writer.AddDeclRef(S->getExceptionDecl(), Record); 946 Writer.AddStmt(S->getHandlerBlock()); 947 Code = serialization::STMT_CXX_CATCH; 948} 949 950void ASTStmtWriter::VisitCXXTryStmt(CXXTryStmt *S) { 951 VisitStmt(S); 952 Record.push_back(S->getNumHandlers()); 953 Writer.AddSourceLocation(S->getTryLoc(), Record); 954 Writer.AddStmt(S->getTryBlock()); 955 for (unsigned i = 0, e = S->getNumHandlers(); i != e; ++i) 956 Writer.AddStmt(S->getHandler(i)); 957 Code = serialization::STMT_CXX_TRY; 958} 959 960void ASTStmtWriter::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E) { 961 VisitCallExpr(E); 962 Record.push_back(E->getOperator()); 963 Code = serialization::EXPR_CXX_OPERATOR_CALL; 964} 965 966void ASTStmtWriter::VisitCXXMemberCallExpr(CXXMemberCallExpr *E) { 967 VisitCallExpr(E); 968 Code = serialization::EXPR_CXX_MEMBER_CALL; 969} 970 971void ASTStmtWriter::VisitCXXConstructExpr(CXXConstructExpr *E) { 972 VisitExpr(E); 973 Record.push_back(E->getNumArgs()); 974 for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) 975 Writer.AddStmt(E->getArg(I)); 976 Writer.AddDeclRef(E->getConstructor(), Record); 977 Writer.AddSourceLocation(E->getLocation(), Record); 978 Record.push_back(E->isElidable()); 979 Record.push_back(E->requiresZeroInitialization()); 980 Record.push_back(E->getConstructionKind()); // FIXME: stable encoding 981 Writer.AddSourceRange(E->getParenRange(), Record); 982 Code = serialization::EXPR_CXX_CONSTRUCT; 983} 984 985void ASTStmtWriter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) { 986 VisitCXXConstructExpr(E); 987 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 988 Code = serialization::EXPR_CXX_TEMPORARY_OBJECT; 989} 990 991void ASTStmtWriter::VisitCXXNamedCastExpr(CXXNamedCastExpr *E) { 992 VisitExplicitCastExpr(E); 993 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 994} 995 996void ASTStmtWriter::VisitCXXStaticCastExpr(CXXStaticCastExpr *E) { 997 VisitCXXNamedCastExpr(E); 998 Code = serialization::EXPR_CXX_STATIC_CAST; 999} 1000 1001void ASTStmtWriter::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E) { 1002 VisitCXXNamedCastExpr(E); 1003 Code = serialization::EXPR_CXX_DYNAMIC_CAST; 1004} 1005 1006void ASTStmtWriter::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E) { 1007 VisitCXXNamedCastExpr(E); 1008 Code = serialization::EXPR_CXX_REINTERPRET_CAST; 1009} 1010 1011void ASTStmtWriter::VisitCXXConstCastExpr(CXXConstCastExpr *E) { 1012 VisitCXXNamedCastExpr(E); 1013 Code = serialization::EXPR_CXX_CONST_CAST; 1014} 1015 1016void ASTStmtWriter::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E) { 1017 VisitExplicitCastExpr(E); 1018 Writer.AddSourceLocation(E->getTypeBeginLoc(), Record); 1019 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1020 Code = serialization::EXPR_CXX_FUNCTIONAL_CAST; 1021} 1022 1023void ASTStmtWriter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) { 1024 VisitExpr(E); 1025 Record.push_back(E->getValue()); 1026 Writer.AddSourceLocation(E->getLocation(), Record); 1027 Code = serialization::EXPR_CXX_BOOL_LITERAL; 1028} 1029 1030void ASTStmtWriter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) { 1031 VisitExpr(E); 1032 Writer.AddSourceLocation(E->getLocation(), Record); 1033 Code = serialization::EXPR_CXX_NULL_PTR_LITERAL; 1034} 1035 1036void ASTStmtWriter::VisitCXXTypeidExpr(CXXTypeidExpr *E) { 1037 VisitExpr(E); 1038 Writer.AddSourceRange(E->getSourceRange(), Record); 1039 if (E->isTypeOperand()) { 1040 Writer.AddTypeSourceInfo(E->getTypeOperandSourceInfo(), Record); 1041 Code = serialization::EXPR_CXX_TYPEID_TYPE; 1042 } else { 1043 Writer.AddStmt(E->getExprOperand()); 1044 Code = serialization::EXPR_CXX_TYPEID_EXPR; 1045 } 1046} 1047 1048void ASTStmtWriter::VisitCXXUuidofExpr(CXXUuidofExpr *E) { 1049 VisitExpr(E); 1050 Writer.AddSourceRange(E->getSourceRange(), Record); 1051 if (E->isTypeOperand()) { 1052 Writer.AddTypeSourceInfo(E->getTypeOperandSourceInfo(), Record); 1053 Code = serialization::EXPR_CXX_UUIDOF_TYPE; 1054 } else { 1055 Writer.AddStmt(E->getExprOperand()); 1056 Code = serialization::EXPR_CXX_UUIDOF_EXPR; 1057 } 1058} 1059 1060void ASTStmtWriter::VisitCXXThisExpr(CXXThisExpr *E) { 1061 VisitExpr(E); 1062 Writer.AddSourceLocation(E->getLocation(), Record); 1063 Record.push_back(E->isImplicit()); 1064 Code = serialization::EXPR_CXX_THIS; 1065} 1066 1067void ASTStmtWriter::VisitCXXThrowExpr(CXXThrowExpr *E) { 1068 VisitExpr(E); 1069 Writer.AddSourceLocation(E->getThrowLoc(), Record); 1070 Writer.AddStmt(E->getSubExpr()); 1071 Code = serialization::EXPR_CXX_THROW; 1072} 1073 1074void ASTStmtWriter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) { 1075 VisitExpr(E); 1076 1077 bool HasOtherExprStored = E->Param.getInt(); 1078 // Store these first, the reader reads them before creation. 1079 Record.push_back(HasOtherExprStored); 1080 if (HasOtherExprStored) 1081 Writer.AddStmt(E->getExpr()); 1082 Writer.AddDeclRef(E->getParam(), Record); 1083 Writer.AddSourceLocation(E->getUsedLocation(), Record); 1084 1085 Code = serialization::EXPR_CXX_DEFAULT_ARG; 1086} 1087 1088void ASTStmtWriter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) { 1089 VisitExpr(E); 1090 Writer.AddCXXTemporary(E->getTemporary(), Record); 1091 Writer.AddStmt(E->getSubExpr()); 1092 Code = serialization::EXPR_CXX_BIND_TEMPORARY; 1093} 1094 1095void ASTStmtWriter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) { 1096 VisitExpr(E); 1097 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 1098 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1099 Code = serialization::EXPR_CXX_SCALAR_VALUE_INIT; 1100} 1101 1102void ASTStmtWriter::VisitCXXNewExpr(CXXNewExpr *E) { 1103 VisitExpr(E); 1104 Record.push_back(E->isGlobalNew()); 1105 Record.push_back(E->hasInitializer()); 1106 Record.push_back(E->isArray()); 1107 Record.push_back(E->getNumPlacementArgs()); 1108 Record.push_back(E->getNumConstructorArgs()); 1109 Writer.AddDeclRef(E->getOperatorNew(), Record); 1110 Writer.AddDeclRef(E->getOperatorDelete(), Record); 1111 Writer.AddDeclRef(E->getConstructor(), Record); 1112 Writer.AddTypeSourceInfo(E->getAllocatedTypeSourceInfo(), Record); 1113 Writer.AddSourceRange(E->getTypeIdParens(), Record); 1114 Writer.AddSourceLocation(E->getStartLoc(), Record); 1115 Writer.AddSourceLocation(E->getEndLoc(), Record); 1116 Writer.AddSourceLocation(E->getConstructorLParen(), Record); 1117 Writer.AddSourceLocation(E->getConstructorRParen(), Record); 1118 for (CXXNewExpr::arg_iterator I = E->raw_arg_begin(), e = E->raw_arg_end(); 1119 I != e; ++I) 1120 Writer.AddStmt(*I); 1121 1122 Code = serialization::EXPR_CXX_NEW; 1123} 1124 1125void ASTStmtWriter::VisitCXXDeleteExpr(CXXDeleteExpr *E) { 1126 VisitExpr(E); 1127 Record.push_back(E->isGlobalDelete()); 1128 Record.push_back(E->isArrayForm()); 1129 Record.push_back(E->isArrayFormAsWritten()); 1130 Writer.AddDeclRef(E->getOperatorDelete(), Record); 1131 Writer.AddStmt(E->getArgument()); 1132 Writer.AddSourceLocation(E->getSourceRange().getBegin(), Record); 1133 1134 Code = serialization::EXPR_CXX_DELETE; 1135} 1136 1137void ASTStmtWriter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) { 1138 VisitExpr(E); 1139 1140 Writer.AddStmt(E->getBase()); 1141 Record.push_back(E->isArrow()); 1142 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1143 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 1144 Writer.AddSourceRange(E->getQualifierRange(), Record); 1145 Writer.AddTypeSourceInfo(E->getScopeTypeInfo(), Record); 1146 Writer.AddSourceLocation(E->getColonColonLoc(), Record); 1147 Writer.AddSourceLocation(E->getTildeLoc(), Record); 1148 1149 // PseudoDestructorTypeStorage. 1150 Writer.AddIdentifierRef(E->getDestroyedTypeIdentifier(), Record); 1151 if (E->getDestroyedTypeIdentifier()) 1152 Writer.AddSourceLocation(E->getDestroyedTypeLoc(), Record); 1153 else 1154 Writer.AddTypeSourceInfo(E->getDestroyedTypeInfo(), Record); 1155 1156 Code = serialization::EXPR_CXX_PSEUDO_DESTRUCTOR; 1157} 1158 1159void ASTStmtWriter::VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E) { 1160 VisitExpr(E); 1161 Record.push_back(E->getNumTemporaries()); 1162 for (unsigned i = 0, e = E->getNumTemporaries(); i != e; ++i) 1163 Writer.AddCXXTemporary(E->getTemporary(i), Record); 1164 1165 Writer.AddStmt(E->getSubExpr()); 1166 Code = serialization::EXPR_CXX_EXPR_WITH_TEMPORARIES; 1167} 1168 1169void 1170ASTStmtWriter::VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E){ 1171 VisitExpr(E); 1172 1173 // Don't emit anything here, NumTemplateArgs must be emitted first. 1174 1175 if (E->hasExplicitTemplateArgs()) { 1176 const ExplicitTemplateArgumentList &Args = E->getExplicitTemplateArgs(); 1177 assert(Args.NumTemplateArgs && 1178 "Num of template args was zero! AST reading will mess up!"); 1179 Record.push_back(Args.NumTemplateArgs); 1180 AddExplicitTemplateArgumentList(Args); 1181 } else { 1182 Record.push_back(0); 1183 } 1184 1185 if (!E->isImplicitAccess()) 1186 Writer.AddStmt(E->getBase()); 1187 else 1188 Writer.AddStmt(0); 1189 Writer.AddTypeRef(E->getBaseType(), Record); 1190 Record.push_back(E->isArrow()); 1191 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1192 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 1193 Writer.AddSourceRange(E->getQualifierRange(), Record); 1194 Writer.AddDeclRef(E->getFirstQualifierFoundInScope(), Record); 1195 Writer.AddDeclarationNameInfo(E->MemberNameInfo, Record); 1196 Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_MEMBER; 1197} 1198 1199void 1200ASTStmtWriter::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) { 1201 VisitExpr(E); 1202 1203 // Don't emit anything here, NumTemplateArgs must be emitted first. 1204 1205 if (E->hasExplicitTemplateArgs()) { 1206 const ExplicitTemplateArgumentList &Args = E->getExplicitTemplateArgs(); 1207 assert(Args.NumTemplateArgs && 1208 "Num of template args was zero! AST reading will mess up!"); 1209 Record.push_back(Args.NumTemplateArgs); 1210 AddExplicitTemplateArgumentList(Args); 1211 } else { 1212 Record.push_back(0); 1213 } 1214 1215 Writer.AddDeclarationNameInfo(E->NameInfo, Record); 1216 Writer.AddSourceRange(E->getQualifierRange(), Record); 1217 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 1218 Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_DECL_REF; 1219} 1220 1221void 1222ASTStmtWriter::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E) { 1223 VisitExpr(E); 1224 Record.push_back(E->arg_size()); 1225 for (CXXUnresolvedConstructExpr::arg_iterator 1226 ArgI = E->arg_begin(), ArgE = E->arg_end(); ArgI != ArgE; ++ArgI) 1227 Writer.AddStmt(*ArgI); 1228 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 1229 Writer.AddSourceLocation(E->getLParenLoc(), Record); 1230 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1231 Code = serialization::EXPR_CXX_UNRESOLVED_CONSTRUCT; 1232} 1233 1234void ASTStmtWriter::VisitOverloadExpr(OverloadExpr *E) { 1235 VisitExpr(E); 1236 1237 // Don't emit anything here, NumTemplateArgs must be emitted first. 1238 1239 if (E->hasExplicitTemplateArgs()) { 1240 const ExplicitTemplateArgumentList &Args = E->getExplicitTemplateArgs(); 1241 assert(Args.NumTemplateArgs && 1242 "Num of template args was zero! AST reading will mess up!"); 1243 Record.push_back(Args.NumTemplateArgs); 1244 AddExplicitTemplateArgumentList(Args); 1245 } else { 1246 Record.push_back(0); 1247 } 1248 1249 Record.push_back(E->getNumDecls()); 1250 for (OverloadExpr::decls_iterator 1251 OvI = E->decls_begin(), OvE = E->decls_end(); OvI != OvE; ++OvI) { 1252 Writer.AddDeclRef(OvI.getDecl(), Record); 1253 Record.push_back(OvI.getAccess()); 1254 } 1255 1256 Writer.AddDeclarationNameInfo(E->NameInfo, Record); 1257 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 1258 Writer.AddSourceRange(E->getQualifierRange(), Record); 1259} 1260 1261void ASTStmtWriter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) { 1262 VisitOverloadExpr(E); 1263 Record.push_back(E->isArrow()); 1264 Record.push_back(E->hasUnresolvedUsing()); 1265 Writer.AddStmt(!E->isImplicitAccess() ? E->getBase() : 0); 1266 Writer.AddTypeRef(E->getBaseType(), Record); 1267 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1268 Code = serialization::EXPR_CXX_UNRESOLVED_MEMBER; 1269} 1270 1271void ASTStmtWriter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) { 1272 VisitOverloadExpr(E); 1273 Record.push_back(E->requiresADL()); 1274 Record.push_back(E->isOverloaded()); 1275 Writer.AddDeclRef(E->getNamingClass(), Record); 1276 Code = serialization::EXPR_CXX_UNRESOLVED_LOOKUP; 1277} 1278 1279void ASTStmtWriter::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) { 1280 VisitExpr(E); 1281 Record.push_back(E->getTrait()); 1282 Record.push_back(E->getValue()); 1283 Writer.AddSourceRange(E->getSourceRange(), Record); 1284 Writer.AddTypeSourceInfo(E->getQueriedTypeSourceInfo(), Record); 1285 Code = serialization::EXPR_CXX_UNARY_TYPE_TRAIT; 1286} 1287 1288void ASTStmtWriter::VisitCXXNoexceptExpr(CXXNoexceptExpr *E) { 1289 VisitExpr(E); 1290 Record.push_back(E->getValue()); 1291 Writer.AddSourceRange(E->getSourceRange(), Record); 1292 Writer.AddStmt(E->getOperand()); 1293 Code = serialization::EXPR_CXX_NOEXCEPT; 1294} 1295 1296//===----------------------------------------------------------------------===// 1297// ASTWriter Implementation 1298//===----------------------------------------------------------------------===// 1299 1300unsigned ASTWriter::RecordSwitchCaseID(SwitchCase *S) { 1301 assert(SwitchCaseIDs.find(S) == SwitchCaseIDs.end() && 1302 "SwitchCase recorded twice"); 1303 unsigned NextID = SwitchCaseIDs.size(); 1304 SwitchCaseIDs[S] = NextID; 1305 return NextID; 1306} 1307 1308unsigned ASTWriter::getSwitchCaseID(SwitchCase *S) { 1309 assert(SwitchCaseIDs.find(S) != SwitchCaseIDs.end() && 1310 "SwitchCase hasn't been seen yet"); 1311 return SwitchCaseIDs[S]; 1312} 1313 1314/// \brief Retrieve the ID for the given label statement, which may 1315/// or may not have been emitted yet. 1316unsigned ASTWriter::GetLabelID(LabelStmt *S) { 1317 std::map<LabelStmt *, unsigned>::iterator Pos = LabelIDs.find(S); 1318 if (Pos != LabelIDs.end()) 1319 return Pos->second; 1320 1321 unsigned NextID = LabelIDs.size(); 1322 LabelIDs[S] = NextID; 1323 return NextID; 1324} 1325 1326/// \brief Write the given substatement or subexpression to the 1327/// bitstream. 1328void ASTWriter::WriteSubStmt(Stmt *S) { 1329 RecordData Record; 1330 ASTStmtWriter Writer(*this, Record); 1331 ++NumStatements; 1332 1333 if (!S) { 1334 Stream.EmitRecord(serialization::STMT_NULL_PTR, Record); 1335 return; 1336 } 1337 1338 // Redirect ASTWriter::AddStmt to collect sub stmts. 1339 llvm::SmallVector<Stmt *, 16> SubStmts; 1340 CollectedStmts = &SubStmts; 1341 1342 Writer.Code = serialization::STMT_NULL_PTR; 1343 Writer.Visit(S); 1344 1345#ifndef NDEBUG 1346 if (Writer.Code == serialization::STMT_NULL_PTR) { 1347 SourceManager &SrcMgr 1348 = DeclIDs.begin()->first->getASTContext().getSourceManager(); 1349 S->dump(SrcMgr); 1350 assert(0 && "Unhandled sub statement writing AST file"); 1351 } 1352#endif 1353 1354 // Revert ASTWriter::AddStmt. 1355 CollectedStmts = &StmtsToEmit; 1356 1357 // Write the sub stmts in reverse order, last to first. When reading them back 1358 // we will read them in correct order by "pop"ing them from the Stmts stack. 1359 // This simplifies reading and allows to store a variable number of sub stmts 1360 // without knowing it in advance. 1361 while (!SubStmts.empty()) 1362 WriteSubStmt(SubStmts.pop_back_val()); 1363 1364 Stream.EmitRecord(Writer.Code, Record); 1365} 1366 1367/// \brief Flush all of the statements that have been added to the 1368/// queue via AddStmt(). 1369void ASTWriter::FlushStmts() { 1370 RecordData Record; 1371 1372 for (unsigned I = 0, N = StmtsToEmit.size(); I != N; ++I) { 1373 WriteSubStmt(StmtsToEmit[I]); 1374 1375 assert(N == StmtsToEmit.size() && 1376 "Substatement writen via AddStmt rather than WriteSubStmt!"); 1377 1378 // Note that we are at the end of a full expression. Any 1379 // expression records that follow this one are part of a different 1380 // expression. 1381 Stream.EmitRecord(serialization::STMT_STOP, Record); 1382 } 1383 1384 StmtsToEmit.clear(); 1385} 1386