ASTWriterStmt.cpp revision 4076dacf1497fb95cb298b9d964fbdbdaf9bde6c
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 VisitObjCSuperExpr(ObjCSuperExpr *E); 107 void VisitObjCIsaExpr(ObjCIsaExpr *E); 108 109 // Objective-C Statements 110 void VisitObjCForCollectionStmt(ObjCForCollectionStmt *); 111 void VisitObjCAtCatchStmt(ObjCAtCatchStmt *); 112 void VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *); 113 void VisitObjCAtTryStmt(ObjCAtTryStmt *); 114 void VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *); 115 void VisitObjCAtThrowStmt(ObjCAtThrowStmt *); 116 117 // C++ Statements 118 void VisitCXXCatchStmt(CXXCatchStmt *S); 119 void VisitCXXTryStmt(CXXTryStmt *S); 120 121 void VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E); 122 void VisitCXXMemberCallExpr(CXXMemberCallExpr *E); 123 void VisitCXXConstructExpr(CXXConstructExpr *E); 124 void VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E); 125 void VisitCXXNamedCastExpr(CXXNamedCastExpr *E); 126 void VisitCXXStaticCastExpr(CXXStaticCastExpr *E); 127 void VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E); 128 void VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E); 129 void VisitCXXConstCastExpr(CXXConstCastExpr *E); 130 void VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E); 131 void VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E); 132 void VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E); 133 void VisitCXXTypeidExpr(CXXTypeidExpr *E); 134 void VisitCXXUuidofExpr(CXXUuidofExpr *E); 135 void VisitCXXThisExpr(CXXThisExpr *E); 136 void VisitCXXThrowExpr(CXXThrowExpr *E); 137 void VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E); 138 void VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E); 139 140 void VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E); 141 void VisitCXXNewExpr(CXXNewExpr *E); 142 void VisitCXXDeleteExpr(CXXDeleteExpr *E); 143 void VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E); 144 145 void VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E); 146 void VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E); 147 void VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E); 148 void VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E); 149 150 void VisitOverloadExpr(OverloadExpr *E); 151 void VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E); 152 void VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E); 153 154 void VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E); 155 void VisitCXXNoexceptExpr(CXXNoexceptExpr *E); 156 }; 157} 158 159void ASTStmtWriter:: 160AddExplicitTemplateArgumentList(const ExplicitTemplateArgumentList &Args) { 161 Writer.AddSourceLocation(Args.LAngleLoc, Record); 162 Writer.AddSourceLocation(Args.RAngleLoc, Record); 163 for (unsigned i=0; i != Args.NumTemplateArgs; ++i) 164 Writer.AddTemplateArgumentLoc(Args.getTemplateArgs()[i], Record); 165} 166 167void ASTStmtWriter::VisitStmt(Stmt *S) { 168} 169 170void ASTStmtWriter::VisitNullStmt(NullStmt *S) { 171 VisitStmt(S); 172 Writer.AddSourceLocation(S->getSemiLoc(), Record); 173 Code = serialization::STMT_NULL; 174} 175 176void ASTStmtWriter::VisitCompoundStmt(CompoundStmt *S) { 177 VisitStmt(S); 178 Record.push_back(S->size()); 179 for (CompoundStmt::body_iterator CS = S->body_begin(), CSEnd = S->body_end(); 180 CS != CSEnd; ++CS) 181 Writer.AddStmt(*CS); 182 Writer.AddSourceLocation(S->getLBracLoc(), Record); 183 Writer.AddSourceLocation(S->getRBracLoc(), Record); 184 Code = serialization::STMT_COMPOUND; 185} 186 187void ASTStmtWriter::VisitSwitchCase(SwitchCase *S) { 188 VisitStmt(S); 189 Record.push_back(Writer.getSwitchCaseID(S)); 190} 191 192void ASTStmtWriter::VisitCaseStmt(CaseStmt *S) { 193 VisitSwitchCase(S); 194 Writer.AddStmt(S->getLHS()); 195 Writer.AddStmt(S->getRHS()); 196 Writer.AddStmt(S->getSubStmt()); 197 Writer.AddSourceLocation(S->getCaseLoc(), Record); 198 Writer.AddSourceLocation(S->getEllipsisLoc(), Record); 199 Writer.AddSourceLocation(S->getColonLoc(), Record); 200 Code = serialization::STMT_CASE; 201} 202 203void ASTStmtWriter::VisitDefaultStmt(DefaultStmt *S) { 204 VisitSwitchCase(S); 205 Writer.AddStmt(S->getSubStmt()); 206 Writer.AddSourceLocation(S->getDefaultLoc(), Record); 207 Writer.AddSourceLocation(S->getColonLoc(), Record); 208 Code = serialization::STMT_DEFAULT; 209} 210 211void ASTStmtWriter::VisitLabelStmt(LabelStmt *S) { 212 VisitStmt(S); 213 Writer.AddIdentifierRef(S->getID(), Record); 214 Writer.AddStmt(S->getSubStmt()); 215 Writer.AddSourceLocation(S->getIdentLoc(), Record); 216 Record.push_back(Writer.GetLabelID(S)); 217 Code = serialization::STMT_LABEL; 218} 219 220void ASTStmtWriter::VisitIfStmt(IfStmt *S) { 221 VisitStmt(S); 222 Writer.AddDeclRef(S->getConditionVariable(), Record); 223 Writer.AddStmt(S->getCond()); 224 Writer.AddStmt(S->getThen()); 225 Writer.AddStmt(S->getElse()); 226 Writer.AddSourceLocation(S->getIfLoc(), Record); 227 Writer.AddSourceLocation(S->getElseLoc(), Record); 228 Code = serialization::STMT_IF; 229} 230 231void ASTStmtWriter::VisitSwitchStmt(SwitchStmt *S) { 232 VisitStmt(S); 233 Writer.AddDeclRef(S->getConditionVariable(), Record); 234 Writer.AddStmt(S->getCond()); 235 Writer.AddStmt(S->getBody()); 236 Writer.AddSourceLocation(S->getSwitchLoc(), Record); 237 Record.push_back(S->isAllEnumCasesCovered()); 238 for (SwitchCase *SC = S->getSwitchCaseList(); SC; 239 SC = SC->getNextSwitchCase()) 240 Record.push_back(Writer.RecordSwitchCaseID(SC)); 241 Code = serialization::STMT_SWITCH; 242} 243 244void ASTStmtWriter::VisitWhileStmt(WhileStmt *S) { 245 VisitStmt(S); 246 Writer.AddDeclRef(S->getConditionVariable(), Record); 247 Writer.AddStmt(S->getCond()); 248 Writer.AddStmt(S->getBody()); 249 Writer.AddSourceLocation(S->getWhileLoc(), Record); 250 Code = serialization::STMT_WHILE; 251} 252 253void ASTStmtWriter::VisitDoStmt(DoStmt *S) { 254 VisitStmt(S); 255 Writer.AddStmt(S->getCond()); 256 Writer.AddStmt(S->getBody()); 257 Writer.AddSourceLocation(S->getDoLoc(), Record); 258 Writer.AddSourceLocation(S->getWhileLoc(), Record); 259 Writer.AddSourceLocation(S->getRParenLoc(), Record); 260 Code = serialization::STMT_DO; 261} 262 263void ASTStmtWriter::VisitForStmt(ForStmt *S) { 264 VisitStmt(S); 265 Writer.AddStmt(S->getInit()); 266 Writer.AddStmt(S->getCond()); 267 Writer.AddDeclRef(S->getConditionVariable(), Record); 268 Writer.AddStmt(S->getInc()); 269 Writer.AddStmt(S->getBody()); 270 Writer.AddSourceLocation(S->getForLoc(), Record); 271 Writer.AddSourceLocation(S->getLParenLoc(), Record); 272 Writer.AddSourceLocation(S->getRParenLoc(), Record); 273 Code = serialization::STMT_FOR; 274} 275 276void ASTStmtWriter::VisitGotoStmt(GotoStmt *S) { 277 VisitStmt(S); 278 Record.push_back(Writer.GetLabelID(S->getLabel())); 279 Writer.AddSourceLocation(S->getGotoLoc(), Record); 280 Writer.AddSourceLocation(S->getLabelLoc(), Record); 281 Code = serialization::STMT_GOTO; 282} 283 284void ASTStmtWriter::VisitIndirectGotoStmt(IndirectGotoStmt *S) { 285 VisitStmt(S); 286 Writer.AddSourceLocation(S->getGotoLoc(), Record); 287 Writer.AddSourceLocation(S->getStarLoc(), Record); 288 Writer.AddStmt(S->getTarget()); 289 Code = serialization::STMT_INDIRECT_GOTO; 290} 291 292void ASTStmtWriter::VisitContinueStmt(ContinueStmt *S) { 293 VisitStmt(S); 294 Writer.AddSourceLocation(S->getContinueLoc(), Record); 295 Code = serialization::STMT_CONTINUE; 296} 297 298void ASTStmtWriter::VisitBreakStmt(BreakStmt *S) { 299 VisitStmt(S); 300 Writer.AddSourceLocation(S->getBreakLoc(), Record); 301 Code = serialization::STMT_BREAK; 302} 303 304void ASTStmtWriter::VisitReturnStmt(ReturnStmt *S) { 305 VisitStmt(S); 306 Writer.AddStmt(S->getRetValue()); 307 Writer.AddSourceLocation(S->getReturnLoc(), Record); 308 Writer.AddDeclRef(S->getNRVOCandidate(), Record); 309 Code = serialization::STMT_RETURN; 310} 311 312void ASTStmtWriter::VisitDeclStmt(DeclStmt *S) { 313 VisitStmt(S); 314 Writer.AddSourceLocation(S->getStartLoc(), Record); 315 Writer.AddSourceLocation(S->getEndLoc(), Record); 316 DeclGroupRef DG = S->getDeclGroup(); 317 for (DeclGroupRef::iterator D = DG.begin(), DEnd = DG.end(); D != DEnd; ++D) 318 Writer.AddDeclRef(*D, Record); 319 Code = serialization::STMT_DECL; 320} 321 322void ASTStmtWriter::VisitAsmStmt(AsmStmt *S) { 323 VisitStmt(S); 324 Record.push_back(S->getNumOutputs()); 325 Record.push_back(S->getNumInputs()); 326 Record.push_back(S->getNumClobbers()); 327 Writer.AddSourceLocation(S->getAsmLoc(), Record); 328 Writer.AddSourceLocation(S->getRParenLoc(), Record); 329 Record.push_back(S->isVolatile()); 330 Record.push_back(S->isSimple()); 331 Record.push_back(S->isMSAsm()); 332 Writer.AddStmt(S->getAsmString()); 333 334 // Outputs 335 for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) { 336 Writer.AddIdentifierRef(S->getOutputIdentifier(I), Record); 337 Writer.AddStmt(S->getOutputConstraintLiteral(I)); 338 Writer.AddStmt(S->getOutputExpr(I)); 339 } 340 341 // Inputs 342 for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) { 343 Writer.AddIdentifierRef(S->getInputIdentifier(I), Record); 344 Writer.AddStmt(S->getInputConstraintLiteral(I)); 345 Writer.AddStmt(S->getInputExpr(I)); 346 } 347 348 // Clobbers 349 for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I) 350 Writer.AddStmt(S->getClobber(I)); 351 352 Code = serialization::STMT_ASM; 353} 354 355void ASTStmtWriter::VisitExpr(Expr *E) { 356 VisitStmt(E); 357 Writer.AddTypeRef(E->getType(), Record); 358 Record.push_back(E->isTypeDependent()); 359 Record.push_back(E->isValueDependent()); 360} 361 362void ASTStmtWriter::VisitPredefinedExpr(PredefinedExpr *E) { 363 VisitExpr(E); 364 Writer.AddSourceLocation(E->getLocation(), Record); 365 Record.push_back(E->getIdentType()); // FIXME: stable encoding 366 Code = serialization::EXPR_PREDEFINED; 367} 368 369void ASTStmtWriter::VisitDeclRefExpr(DeclRefExpr *E) { 370 VisitExpr(E); 371 372 Record.push_back(E->hasQualifier()); 373 unsigned NumTemplateArgs = E->getNumTemplateArgs(); 374 assert((NumTemplateArgs != 0) == E->hasExplicitTemplateArgs() && 375 "Template args list with no args ?"); 376 Record.push_back(NumTemplateArgs); 377 378 if (E->hasQualifier()) { 379 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 380 Writer.AddSourceRange(E->getQualifierRange(), Record); 381 } 382 383 if (NumTemplateArgs) 384 AddExplicitTemplateArgumentList(E->getExplicitTemplateArgs()); 385 386 Writer.AddDeclRef(E->getDecl(), Record); 387 // FIXME: write DeclarationNameLoc. 388 Writer.AddSourceLocation(E->getLocation(), Record); 389 Code = serialization::EXPR_DECL_REF; 390} 391 392void ASTStmtWriter::VisitIntegerLiteral(IntegerLiteral *E) { 393 VisitExpr(E); 394 Writer.AddSourceLocation(E->getLocation(), Record); 395 Writer.AddAPInt(E->getValue(), Record); 396 Code = serialization::EXPR_INTEGER_LITERAL; 397} 398 399void ASTStmtWriter::VisitFloatingLiteral(FloatingLiteral *E) { 400 VisitExpr(E); 401 Writer.AddAPFloat(E->getValue(), Record); 402 Record.push_back(E->isExact()); 403 Writer.AddSourceLocation(E->getLocation(), Record); 404 Code = serialization::EXPR_FLOATING_LITERAL; 405} 406 407void ASTStmtWriter::VisitImaginaryLiteral(ImaginaryLiteral *E) { 408 VisitExpr(E); 409 Writer.AddStmt(E->getSubExpr()); 410 Code = serialization::EXPR_IMAGINARY_LITERAL; 411} 412 413void ASTStmtWriter::VisitStringLiteral(StringLiteral *E) { 414 VisitExpr(E); 415 Record.push_back(E->getByteLength()); 416 Record.push_back(E->getNumConcatenated()); 417 Record.push_back(E->isWide()); 418 // FIXME: String data should be stored as a blob at the end of the 419 // StringLiteral. However, we can't do so now because we have no 420 // provision for coping with abbreviations when we're jumping around 421 // the AST file during deserialization. 422 Record.append(E->getString().begin(), E->getString().end()); 423 for (unsigned I = 0, N = E->getNumConcatenated(); I != N; ++I) 424 Writer.AddSourceLocation(E->getStrTokenLoc(I), Record); 425 Code = serialization::EXPR_STRING_LITERAL; 426} 427 428void ASTStmtWriter::VisitCharacterLiteral(CharacterLiteral *E) { 429 VisitExpr(E); 430 Record.push_back(E->getValue()); 431 Writer.AddSourceLocation(E->getLocation(), Record); 432 Record.push_back(E->isWide()); 433 Code = serialization::EXPR_CHARACTER_LITERAL; 434} 435 436void ASTStmtWriter::VisitParenExpr(ParenExpr *E) { 437 VisitExpr(E); 438 Writer.AddSourceLocation(E->getLParen(), Record); 439 Writer.AddSourceLocation(E->getRParen(), Record); 440 Writer.AddStmt(E->getSubExpr()); 441 Code = serialization::EXPR_PAREN; 442} 443 444void ASTStmtWriter::VisitParenListExpr(ParenListExpr *E) { 445 VisitExpr(E); 446 Record.push_back(E->NumExprs); 447 for (unsigned i=0; i != E->NumExprs; ++i) 448 Writer.AddStmt(E->Exprs[i]); 449 Writer.AddSourceLocation(E->LParenLoc, Record); 450 Writer.AddSourceLocation(E->RParenLoc, Record); 451 Code = serialization::EXPR_PAREN_LIST; 452} 453 454void ASTStmtWriter::VisitUnaryOperator(UnaryOperator *E) { 455 VisitExpr(E); 456 Writer.AddStmt(E->getSubExpr()); 457 Record.push_back(E->getOpcode()); // FIXME: stable encoding 458 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 459 Code = serialization::EXPR_UNARY_OPERATOR; 460} 461 462void ASTStmtWriter::VisitOffsetOfExpr(OffsetOfExpr *E) { 463 VisitExpr(E); 464 Record.push_back(E->getNumComponents()); 465 Record.push_back(E->getNumExpressions()); 466 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 467 Writer.AddSourceLocation(E->getRParenLoc(), Record); 468 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 469 for (unsigned I = 0, N = E->getNumComponents(); I != N; ++I) { 470 const OffsetOfExpr::OffsetOfNode &ON = E->getComponent(I); 471 Record.push_back(ON.getKind()); // FIXME: Stable encoding 472 Writer.AddSourceLocation(ON.getRange().getBegin(), Record); 473 Writer.AddSourceLocation(ON.getRange().getEnd(), Record); 474 switch (ON.getKind()) { 475 case OffsetOfExpr::OffsetOfNode::Array: 476 Record.push_back(ON.getArrayExprIndex()); 477 break; 478 479 case OffsetOfExpr::OffsetOfNode::Field: 480 Writer.AddDeclRef(ON.getField(), Record); 481 break; 482 483 case OffsetOfExpr::OffsetOfNode::Identifier: 484 Writer.AddIdentifierRef(ON.getFieldName(), Record); 485 break; 486 487 case OffsetOfExpr::OffsetOfNode::Base: 488 Writer.AddCXXBaseSpecifier(*ON.getBase(), Record); 489 break; 490 } 491 } 492 for (unsigned I = 0, N = E->getNumExpressions(); I != N; ++I) 493 Writer.AddStmt(E->getIndexExpr(I)); 494 Code = serialization::EXPR_OFFSETOF; 495} 496 497void ASTStmtWriter::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E) { 498 VisitExpr(E); 499 Record.push_back(E->isSizeOf()); 500 if (E->isArgumentType()) 501 Writer.AddTypeSourceInfo(E->getArgumentTypeInfo(), Record); 502 else { 503 Record.push_back(0); 504 Writer.AddStmt(E->getArgumentExpr()); 505 } 506 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 507 Writer.AddSourceLocation(E->getRParenLoc(), Record); 508 Code = serialization::EXPR_SIZEOF_ALIGN_OF; 509} 510 511void ASTStmtWriter::VisitArraySubscriptExpr(ArraySubscriptExpr *E) { 512 VisitExpr(E); 513 Writer.AddStmt(E->getLHS()); 514 Writer.AddStmt(E->getRHS()); 515 Writer.AddSourceLocation(E->getRBracketLoc(), Record); 516 Code = serialization::EXPR_ARRAY_SUBSCRIPT; 517} 518 519void ASTStmtWriter::VisitCallExpr(CallExpr *E) { 520 VisitExpr(E); 521 Record.push_back(E->getNumArgs()); 522 Writer.AddSourceLocation(E->getRParenLoc(), Record); 523 Writer.AddStmt(E->getCallee()); 524 for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end(); 525 Arg != ArgEnd; ++Arg) 526 Writer.AddStmt(*Arg); 527 Code = serialization::EXPR_CALL; 528} 529 530void ASTStmtWriter::VisitMemberExpr(MemberExpr *E) { 531 // Don't call VisitExpr, we'll write everything here. 532 533 Record.push_back(E->hasQualifier()); 534 if (E->hasQualifier()) { 535 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 536 Writer.AddSourceRange(E->getQualifierRange(), Record); 537 } 538 539 unsigned NumTemplateArgs = E->getNumTemplateArgs(); 540 assert((NumTemplateArgs != 0) == E->hasExplicitTemplateArgs() && 541 "Template args list with no args ?"); 542 Record.push_back(NumTemplateArgs); 543 if (NumTemplateArgs) { 544 Writer.AddSourceLocation(E->getLAngleLoc(), Record); 545 Writer.AddSourceLocation(E->getRAngleLoc(), Record); 546 for (unsigned i=0; i != NumTemplateArgs; ++i) 547 Writer.AddTemplateArgumentLoc(E->getTemplateArgs()[i], Record); 548 } 549 550 DeclAccessPair FoundDecl = E->getFoundDecl(); 551 Writer.AddDeclRef(FoundDecl.getDecl(), Record); 552 Record.push_back(FoundDecl.getAccess()); 553 554 Writer.AddTypeRef(E->getType(), Record); 555 Writer.AddStmt(E->getBase()); 556 Writer.AddDeclRef(E->getMemberDecl(), Record); 557 // FIXME: write DeclarationNameLoc. 558 Writer.AddSourceLocation(E->getMemberLoc(), Record); 559 Record.push_back(E->isArrow()); 560 Code = serialization::EXPR_MEMBER; 561} 562 563void ASTStmtWriter::VisitObjCIsaExpr(ObjCIsaExpr *E) { 564 VisitExpr(E); 565 Writer.AddStmt(E->getBase()); 566 Writer.AddSourceLocation(E->getIsaMemberLoc(), Record); 567 Record.push_back(E->isArrow()); 568 Code = serialization::EXPR_OBJC_ISA; 569} 570 571void ASTStmtWriter::VisitCastExpr(CastExpr *E) { 572 VisitExpr(E); 573 Record.push_back(E->path_size()); 574 Writer.AddStmt(E->getSubExpr()); 575 Record.push_back(E->getCastKind()); // FIXME: stable encoding 576 577 for (CastExpr::path_iterator 578 PI = E->path_begin(), PE = E->path_end(); PI != PE; ++PI) 579 Writer.AddCXXBaseSpecifier(**PI, Record); 580} 581 582void ASTStmtWriter::VisitBinaryOperator(BinaryOperator *E) { 583 VisitExpr(E); 584 Writer.AddStmt(E->getLHS()); 585 Writer.AddStmt(E->getRHS()); 586 Record.push_back(E->getOpcode()); // FIXME: stable encoding 587 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 588 Code = serialization::EXPR_BINARY_OPERATOR; 589} 590 591void ASTStmtWriter::VisitCompoundAssignOperator(CompoundAssignOperator *E) { 592 VisitBinaryOperator(E); 593 Writer.AddTypeRef(E->getComputationLHSType(), Record); 594 Writer.AddTypeRef(E->getComputationResultType(), Record); 595 Code = serialization::EXPR_COMPOUND_ASSIGN_OPERATOR; 596} 597 598void ASTStmtWriter::VisitConditionalOperator(ConditionalOperator *E) { 599 VisitExpr(E); 600 Writer.AddStmt(E->getCond()); 601 Writer.AddStmt(E->getLHS()); 602 Writer.AddStmt(E->getRHS()); 603 Writer.AddStmt(E->getSAVE()); 604 Writer.AddSourceLocation(E->getQuestionLoc(), Record); 605 Writer.AddSourceLocation(E->getColonLoc(), Record); 606 Code = serialization::EXPR_CONDITIONAL_OPERATOR; 607} 608 609void ASTStmtWriter::VisitImplicitCastExpr(ImplicitCastExpr *E) { 610 VisitCastExpr(E); 611 Record.push_back(E->getValueKind()); 612 Code = serialization::EXPR_IMPLICIT_CAST; 613} 614 615void ASTStmtWriter::VisitExplicitCastExpr(ExplicitCastExpr *E) { 616 VisitCastExpr(E); 617 Writer.AddTypeSourceInfo(E->getTypeInfoAsWritten(), Record); 618} 619 620void ASTStmtWriter::VisitCStyleCastExpr(CStyleCastExpr *E) { 621 VisitExplicitCastExpr(E); 622 Writer.AddSourceLocation(E->getLParenLoc(), Record); 623 Writer.AddSourceLocation(E->getRParenLoc(), Record); 624 Code = serialization::EXPR_CSTYLE_CAST; 625} 626 627void ASTStmtWriter::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) { 628 VisitExpr(E); 629 Writer.AddSourceLocation(E->getLParenLoc(), Record); 630 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 631 Writer.AddStmt(E->getInitializer()); 632 Record.push_back(E->isFileScope()); 633 Code = serialization::EXPR_COMPOUND_LITERAL; 634} 635 636void ASTStmtWriter::VisitExtVectorElementExpr(ExtVectorElementExpr *E) { 637 VisitExpr(E); 638 Writer.AddStmt(E->getBase()); 639 Writer.AddIdentifierRef(&E->getAccessor(), Record); 640 Writer.AddSourceLocation(E->getAccessorLoc(), Record); 641 Code = serialization::EXPR_EXT_VECTOR_ELEMENT; 642} 643 644void ASTStmtWriter::VisitInitListExpr(InitListExpr *E) { 645 VisitExpr(E); 646 Record.push_back(E->getNumInits()); 647 for (unsigned I = 0, N = E->getNumInits(); I != N; ++I) 648 Writer.AddStmt(E->getInit(I)); 649 Writer.AddStmt(E->getSyntacticForm()); 650 Writer.AddSourceLocation(E->getLBraceLoc(), Record); 651 Writer.AddSourceLocation(E->getRBraceLoc(), Record); 652 Writer.AddDeclRef(E->getInitializedFieldInUnion(), Record); 653 Record.push_back(E->hadArrayRangeDesignator()); 654 Code = serialization::EXPR_INIT_LIST; 655} 656 657void ASTStmtWriter::VisitDesignatedInitExpr(DesignatedInitExpr *E) { 658 VisitExpr(E); 659 Record.push_back(E->getNumSubExprs()); 660 for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I) 661 Writer.AddStmt(E->getSubExpr(I)); 662 Writer.AddSourceLocation(E->getEqualOrColonLoc(), Record); 663 Record.push_back(E->usesGNUSyntax()); 664 for (DesignatedInitExpr::designators_iterator D = E->designators_begin(), 665 DEnd = E->designators_end(); 666 D != DEnd; ++D) { 667 if (D->isFieldDesignator()) { 668 if (FieldDecl *Field = D->getField()) { 669 Record.push_back(serialization::DESIG_FIELD_DECL); 670 Writer.AddDeclRef(Field, Record); 671 } else { 672 Record.push_back(serialization::DESIG_FIELD_NAME); 673 Writer.AddIdentifierRef(D->getFieldName(), Record); 674 } 675 Writer.AddSourceLocation(D->getDotLoc(), Record); 676 Writer.AddSourceLocation(D->getFieldLoc(), Record); 677 } else if (D->isArrayDesignator()) { 678 Record.push_back(serialization::DESIG_ARRAY); 679 Record.push_back(D->getFirstExprIndex()); 680 Writer.AddSourceLocation(D->getLBracketLoc(), Record); 681 Writer.AddSourceLocation(D->getRBracketLoc(), Record); 682 } else { 683 assert(D->isArrayRangeDesignator() && "Unknown designator"); 684 Record.push_back(serialization::DESIG_ARRAY_RANGE); 685 Record.push_back(D->getFirstExprIndex()); 686 Writer.AddSourceLocation(D->getLBracketLoc(), Record); 687 Writer.AddSourceLocation(D->getEllipsisLoc(), Record); 688 Writer.AddSourceLocation(D->getRBracketLoc(), Record); 689 } 690 } 691 Code = serialization::EXPR_DESIGNATED_INIT; 692} 693 694void ASTStmtWriter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) { 695 VisitExpr(E); 696 Code = serialization::EXPR_IMPLICIT_VALUE_INIT; 697} 698 699void ASTStmtWriter::VisitVAArgExpr(VAArgExpr *E) { 700 VisitExpr(E); 701 Writer.AddStmt(E->getSubExpr()); 702 Writer.AddTypeSourceInfo(E->getWrittenTypeInfo(), Record); 703 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 704 Writer.AddSourceLocation(E->getRParenLoc(), Record); 705 Code = serialization::EXPR_VA_ARG; 706} 707 708void ASTStmtWriter::VisitAddrLabelExpr(AddrLabelExpr *E) { 709 VisitExpr(E); 710 Writer.AddSourceLocation(E->getAmpAmpLoc(), Record); 711 Writer.AddSourceLocation(E->getLabelLoc(), Record); 712 Record.push_back(Writer.GetLabelID(E->getLabel())); 713 Code = serialization::EXPR_ADDR_LABEL; 714} 715 716void ASTStmtWriter::VisitStmtExpr(StmtExpr *E) { 717 VisitExpr(E); 718 Writer.AddStmt(E->getSubStmt()); 719 Writer.AddSourceLocation(E->getLParenLoc(), Record); 720 Writer.AddSourceLocation(E->getRParenLoc(), Record); 721 Code = serialization::EXPR_STMT; 722} 723 724void ASTStmtWriter::VisitTypesCompatibleExpr(TypesCompatibleExpr *E) { 725 VisitExpr(E); 726 Writer.AddTypeSourceInfo(E->getArgTInfo1(), Record); 727 Writer.AddTypeSourceInfo(E->getArgTInfo2(), Record); 728 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 729 Writer.AddSourceLocation(E->getRParenLoc(), Record); 730 Code = serialization::EXPR_TYPES_COMPATIBLE; 731} 732 733void ASTStmtWriter::VisitChooseExpr(ChooseExpr *E) { 734 VisitExpr(E); 735 Writer.AddStmt(E->getCond()); 736 Writer.AddStmt(E->getLHS()); 737 Writer.AddStmt(E->getRHS()); 738 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 739 Writer.AddSourceLocation(E->getRParenLoc(), Record); 740 Code = serialization::EXPR_CHOOSE; 741} 742 743void ASTStmtWriter::VisitGNUNullExpr(GNUNullExpr *E) { 744 VisitExpr(E); 745 Writer.AddSourceLocation(E->getTokenLocation(), Record); 746 Code = serialization::EXPR_GNU_NULL; 747} 748 749void ASTStmtWriter::VisitShuffleVectorExpr(ShuffleVectorExpr *E) { 750 VisitExpr(E); 751 Record.push_back(E->getNumSubExprs()); 752 for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I) 753 Writer.AddStmt(E->getExpr(I)); 754 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 755 Writer.AddSourceLocation(E->getRParenLoc(), Record); 756 Code = serialization::EXPR_SHUFFLE_VECTOR; 757} 758 759void ASTStmtWriter::VisitBlockExpr(BlockExpr *E) { 760 VisitExpr(E); 761 Writer.AddDeclRef(E->getBlockDecl(), Record); 762 Record.push_back(E->hasBlockDeclRefExprs()); 763 Code = serialization::EXPR_BLOCK; 764} 765 766void ASTStmtWriter::VisitBlockDeclRefExpr(BlockDeclRefExpr *E) { 767 VisitExpr(E); 768 Writer.AddDeclRef(E->getDecl(), Record); 769 Writer.AddSourceLocation(E->getLocation(), Record); 770 Record.push_back(E->isByRef()); 771 Record.push_back(E->isConstQualAdded()); 772 Writer.AddStmt(E->getCopyConstructorExpr()); 773 Code = serialization::EXPR_BLOCK_DECL_REF; 774} 775 776//===----------------------------------------------------------------------===// 777// Objective-C Expressions and Statements. 778//===----------------------------------------------------------------------===// 779 780void ASTStmtWriter::VisitObjCStringLiteral(ObjCStringLiteral *E) { 781 VisitExpr(E); 782 Writer.AddStmt(E->getString()); 783 Writer.AddSourceLocation(E->getAtLoc(), Record); 784 Code = serialization::EXPR_OBJC_STRING_LITERAL; 785} 786 787void ASTStmtWriter::VisitObjCEncodeExpr(ObjCEncodeExpr *E) { 788 VisitExpr(E); 789 Writer.AddTypeSourceInfo(E->getEncodedTypeSourceInfo(), Record); 790 Writer.AddSourceLocation(E->getAtLoc(), Record); 791 Writer.AddSourceLocation(E->getRParenLoc(), Record); 792 Code = serialization::EXPR_OBJC_ENCODE; 793} 794 795void ASTStmtWriter::VisitObjCSelectorExpr(ObjCSelectorExpr *E) { 796 VisitExpr(E); 797 Writer.AddSelectorRef(E->getSelector(), Record); 798 Writer.AddSourceLocation(E->getAtLoc(), Record); 799 Writer.AddSourceLocation(E->getRParenLoc(), Record); 800 Code = serialization::EXPR_OBJC_SELECTOR_EXPR; 801} 802 803void ASTStmtWriter::VisitObjCProtocolExpr(ObjCProtocolExpr *E) { 804 VisitExpr(E); 805 Writer.AddDeclRef(E->getProtocol(), Record); 806 Writer.AddSourceLocation(E->getAtLoc(), Record); 807 Writer.AddSourceLocation(E->getRParenLoc(), Record); 808 Code = serialization::EXPR_OBJC_PROTOCOL_EXPR; 809} 810 811void ASTStmtWriter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) { 812 VisitExpr(E); 813 Writer.AddDeclRef(E->getDecl(), Record); 814 Writer.AddSourceLocation(E->getLocation(), Record); 815 Writer.AddStmt(E->getBase()); 816 Record.push_back(E->isArrow()); 817 Record.push_back(E->isFreeIvar()); 818 Code = serialization::EXPR_OBJC_IVAR_REF_EXPR; 819} 820 821void ASTStmtWriter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E) { 822 VisitExpr(E); 823 Writer.AddDeclRef(E->getProperty(), Record); 824 Writer.AddSourceLocation(E->getLocation(), Record); 825 Writer.AddStmt(E->getBase()); 826 Code = serialization::EXPR_OBJC_PROPERTY_REF_EXPR; 827} 828 829void ASTStmtWriter::VisitObjCImplicitSetterGetterRefExpr( 830 ObjCImplicitSetterGetterRefExpr *E) { 831 VisitExpr(E); 832 Writer.AddDeclRef(E->getGetterMethod(), Record); 833 Writer.AddDeclRef(E->getSetterMethod(), Record); 834 835 // NOTE: InterfaceDecl and Base are mutually exclusive. 836 Writer.AddDeclRef(E->getInterfaceDecl(), Record); 837 Writer.AddStmt(E->getBase()); 838 Writer.AddSourceLocation(E->getLocation(), Record); 839 Writer.AddSourceLocation(E->getClassLoc(), Record); 840 Code = serialization::EXPR_OBJC_KVC_REF_EXPR; 841} 842 843void ASTStmtWriter::VisitObjCMessageExpr(ObjCMessageExpr *E) { 844 VisitExpr(E); 845 Record.push_back(E->getNumArgs()); 846 Record.push_back((unsigned)E->getReceiverKind()); // FIXME: stable encoding 847 switch (E->getReceiverKind()) { 848 case ObjCMessageExpr::Instance: 849 Writer.AddStmt(E->getInstanceReceiver()); 850 break; 851 852 case ObjCMessageExpr::Class: 853 Writer.AddTypeSourceInfo(E->getClassReceiverTypeInfo(), Record); 854 break; 855 856 case ObjCMessageExpr::SuperClass: 857 case ObjCMessageExpr::SuperInstance: 858 Writer.AddTypeRef(E->getSuperType(), Record); 859 Writer.AddSourceLocation(E->getSuperLoc(), Record); 860 break; 861 } 862 863 if (E->getMethodDecl()) { 864 Record.push_back(1); 865 Writer.AddDeclRef(E->getMethodDecl(), Record); 866 } else { 867 Record.push_back(0); 868 Writer.AddSelectorRef(E->getSelector(), Record); 869 } 870 871 Writer.AddSourceLocation(E->getLeftLoc(), Record); 872 Writer.AddSourceLocation(E->getRightLoc(), Record); 873 874 for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end(); 875 Arg != ArgEnd; ++Arg) 876 Writer.AddStmt(*Arg); 877 Code = serialization::EXPR_OBJC_MESSAGE_EXPR; 878} 879 880void ASTStmtWriter::VisitObjCSuperExpr(ObjCSuperExpr *E) { 881 VisitExpr(E); 882 Writer.AddSourceLocation(E->getLoc(), Record); 883 Code = serialization::EXPR_OBJC_SUPER_EXPR; 884} 885 886void ASTStmtWriter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) { 887 VisitStmt(S); 888 Writer.AddStmt(S->getElement()); 889 Writer.AddStmt(S->getCollection()); 890 Writer.AddStmt(S->getBody()); 891 Writer.AddSourceLocation(S->getForLoc(), Record); 892 Writer.AddSourceLocation(S->getRParenLoc(), Record); 893 Code = serialization::STMT_OBJC_FOR_COLLECTION; 894} 895 896void ASTStmtWriter::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) { 897 Writer.AddStmt(S->getCatchBody()); 898 Writer.AddDeclRef(S->getCatchParamDecl(), Record); 899 Writer.AddSourceLocation(S->getAtCatchLoc(), Record); 900 Writer.AddSourceLocation(S->getRParenLoc(), Record); 901 Code = serialization::STMT_OBJC_CATCH; 902} 903 904void ASTStmtWriter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) { 905 Writer.AddStmt(S->getFinallyBody()); 906 Writer.AddSourceLocation(S->getAtFinallyLoc(), Record); 907 Code = serialization::STMT_OBJC_FINALLY; 908} 909 910void ASTStmtWriter::VisitObjCAtTryStmt(ObjCAtTryStmt *S) { 911 Record.push_back(S->getNumCatchStmts()); 912 Record.push_back(S->getFinallyStmt() != 0); 913 Writer.AddStmt(S->getTryBody()); 914 for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I) 915 Writer.AddStmt(S->getCatchStmt(I)); 916 if (S->getFinallyStmt()) 917 Writer.AddStmt(S->getFinallyStmt()); 918 Writer.AddSourceLocation(S->getAtTryLoc(), Record); 919 Code = serialization::STMT_OBJC_AT_TRY; 920} 921 922void ASTStmtWriter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) { 923 Writer.AddStmt(S->getSynchExpr()); 924 Writer.AddStmt(S->getSynchBody()); 925 Writer.AddSourceLocation(S->getAtSynchronizedLoc(), Record); 926 Code = serialization::STMT_OBJC_AT_SYNCHRONIZED; 927} 928 929void ASTStmtWriter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) { 930 Writer.AddStmt(S->getThrowExpr()); 931 Writer.AddSourceLocation(S->getThrowLoc(), Record); 932 Code = serialization::STMT_OBJC_AT_THROW; 933} 934 935//===----------------------------------------------------------------------===// 936// C++ Expressions and Statements. 937//===----------------------------------------------------------------------===// 938 939void ASTStmtWriter::VisitCXXCatchStmt(CXXCatchStmt *S) { 940 VisitStmt(S); 941 Writer.AddSourceLocation(S->getCatchLoc(), Record); 942 Writer.AddDeclRef(S->getExceptionDecl(), Record); 943 Writer.AddStmt(S->getHandlerBlock()); 944 Code = serialization::STMT_CXX_CATCH; 945} 946 947void ASTStmtWriter::VisitCXXTryStmt(CXXTryStmt *S) { 948 VisitStmt(S); 949 Record.push_back(S->getNumHandlers()); 950 Writer.AddSourceLocation(S->getTryLoc(), Record); 951 Writer.AddStmt(S->getTryBlock()); 952 for (unsigned i = 0, e = S->getNumHandlers(); i != e; ++i) 953 Writer.AddStmt(S->getHandler(i)); 954 Code = serialization::STMT_CXX_TRY; 955} 956 957void ASTStmtWriter::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E) { 958 VisitCallExpr(E); 959 Record.push_back(E->getOperator()); 960 Code = serialization::EXPR_CXX_OPERATOR_CALL; 961} 962 963void ASTStmtWriter::VisitCXXMemberCallExpr(CXXMemberCallExpr *E) { 964 VisitCallExpr(E); 965 Code = serialization::EXPR_CXX_MEMBER_CALL; 966} 967 968void ASTStmtWriter::VisitCXXConstructExpr(CXXConstructExpr *E) { 969 VisitExpr(E); 970 Record.push_back(E->getNumArgs()); 971 for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) 972 Writer.AddStmt(E->getArg(I)); 973 Writer.AddDeclRef(E->getConstructor(), Record); 974 Writer.AddSourceLocation(E->getLocation(), Record); 975 Record.push_back(E->isElidable()); 976 Record.push_back(E->requiresZeroInitialization()); 977 Record.push_back(E->getConstructionKind()); // FIXME: stable encoding 978 Code = serialization::EXPR_CXX_CONSTRUCT; 979} 980 981void ASTStmtWriter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) { 982 VisitCXXConstructExpr(E); 983 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 984 Writer.AddSourceLocation(E->getRParenLoc(), Record); 985 Code = serialization::EXPR_CXX_TEMPORARY_OBJECT; 986} 987 988void ASTStmtWriter::VisitCXXNamedCastExpr(CXXNamedCastExpr *E) { 989 VisitExplicitCastExpr(E); 990 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 991} 992 993void ASTStmtWriter::VisitCXXStaticCastExpr(CXXStaticCastExpr *E) { 994 VisitCXXNamedCastExpr(E); 995 Code = serialization::EXPR_CXX_STATIC_CAST; 996} 997 998void ASTStmtWriter::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E) { 999 VisitCXXNamedCastExpr(E); 1000 Code = serialization::EXPR_CXX_DYNAMIC_CAST; 1001} 1002 1003void ASTStmtWriter::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E) { 1004 VisitCXXNamedCastExpr(E); 1005 Code = serialization::EXPR_CXX_REINTERPRET_CAST; 1006} 1007 1008void ASTStmtWriter::VisitCXXConstCastExpr(CXXConstCastExpr *E) { 1009 VisitCXXNamedCastExpr(E); 1010 Code = serialization::EXPR_CXX_CONST_CAST; 1011} 1012 1013void ASTStmtWriter::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E) { 1014 VisitExplicitCastExpr(E); 1015 Writer.AddSourceLocation(E->getTypeBeginLoc(), Record); 1016 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1017 Code = serialization::EXPR_CXX_FUNCTIONAL_CAST; 1018} 1019 1020void ASTStmtWriter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) { 1021 VisitExpr(E); 1022 Record.push_back(E->getValue()); 1023 Writer.AddSourceLocation(E->getLocation(), Record); 1024 Code = serialization::EXPR_CXX_BOOL_LITERAL; 1025} 1026 1027void ASTStmtWriter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) { 1028 VisitExpr(E); 1029 Writer.AddSourceLocation(E->getLocation(), Record); 1030 Code = serialization::EXPR_CXX_NULL_PTR_LITERAL; 1031} 1032 1033void ASTStmtWriter::VisitCXXTypeidExpr(CXXTypeidExpr *E) { 1034 VisitExpr(E); 1035 Writer.AddSourceRange(E->getSourceRange(), Record); 1036 if (E->isTypeOperand()) { 1037 Writer.AddTypeSourceInfo(E->getTypeOperandSourceInfo(), Record); 1038 Code = serialization::EXPR_CXX_TYPEID_TYPE; 1039 } else { 1040 Writer.AddStmt(E->getExprOperand()); 1041 Code = serialization::EXPR_CXX_TYPEID_EXPR; 1042 } 1043} 1044 1045void ASTStmtWriter::VisitCXXUuidofExpr(CXXUuidofExpr *E) { 1046 VisitExpr(E); 1047 Writer.AddSourceRange(E->getSourceRange(), Record); 1048 if (E->isTypeOperand()) { 1049 Writer.AddTypeSourceInfo(E->getTypeOperandSourceInfo(), Record); 1050 Code = serialization::EXPR_CXX_UUIDOF_TYPE; 1051 } else { 1052 Writer.AddStmt(E->getExprOperand()); 1053 Code = serialization::EXPR_CXX_UUIDOF_EXPR; 1054 } 1055} 1056 1057void ASTStmtWriter::VisitCXXThisExpr(CXXThisExpr *E) { 1058 VisitExpr(E); 1059 Writer.AddSourceLocation(E->getLocation(), Record); 1060 Record.push_back(E->isImplicit()); 1061 Code = serialization::EXPR_CXX_THIS; 1062} 1063 1064void ASTStmtWriter::VisitCXXThrowExpr(CXXThrowExpr *E) { 1065 VisitExpr(E); 1066 Writer.AddSourceLocation(E->getThrowLoc(), Record); 1067 Writer.AddStmt(E->getSubExpr()); 1068 Code = serialization::EXPR_CXX_THROW; 1069} 1070 1071void ASTStmtWriter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) { 1072 VisitExpr(E); 1073 1074 bool HasOtherExprStored = E->Param.getInt(); 1075 // Store these first, the reader reads them before creation. 1076 Record.push_back(HasOtherExprStored); 1077 if (HasOtherExprStored) 1078 Writer.AddStmt(E->getExpr()); 1079 Writer.AddDeclRef(E->getParam(), Record); 1080 Writer.AddSourceLocation(E->getUsedLocation(), Record); 1081 1082 Code = serialization::EXPR_CXX_DEFAULT_ARG; 1083} 1084 1085void ASTStmtWriter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) { 1086 VisitExpr(E); 1087 Writer.AddCXXTemporary(E->getTemporary(), Record); 1088 Writer.AddStmt(E->getSubExpr()); 1089 Code = serialization::EXPR_CXX_BIND_TEMPORARY; 1090} 1091 1092void ASTStmtWriter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) { 1093 VisitExpr(E); 1094 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 1095 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1096 Code = serialization::EXPR_CXX_SCALAR_VALUE_INIT; 1097} 1098 1099void ASTStmtWriter::VisitCXXNewExpr(CXXNewExpr *E) { 1100 VisitExpr(E); 1101 Record.push_back(E->isGlobalNew()); 1102 Record.push_back(E->hasInitializer()); 1103 Record.push_back(E->isArray()); 1104 Record.push_back(E->getNumPlacementArgs()); 1105 Record.push_back(E->getNumConstructorArgs()); 1106 Writer.AddDeclRef(E->getOperatorNew(), Record); 1107 Writer.AddDeclRef(E->getOperatorDelete(), Record); 1108 Writer.AddDeclRef(E->getConstructor(), Record); 1109 Writer.AddTypeSourceInfo(E->getAllocatedTypeSourceInfo(), Record); 1110 Writer.AddSourceRange(E->getTypeIdParens(), Record); 1111 Writer.AddSourceLocation(E->getStartLoc(), Record); 1112 Writer.AddSourceLocation(E->getEndLoc(), Record); 1113 for (CXXNewExpr::arg_iterator I = E->raw_arg_begin(), e = E->raw_arg_end(); 1114 I != e; ++I) 1115 Writer.AddStmt(*I); 1116 1117 Code = serialization::EXPR_CXX_NEW; 1118} 1119 1120void ASTStmtWriter::VisitCXXDeleteExpr(CXXDeleteExpr *E) { 1121 VisitExpr(E); 1122 Record.push_back(E->isGlobalDelete()); 1123 Record.push_back(E->isArrayForm()); 1124 Record.push_back(E->isArrayFormAsWritten()); 1125 Writer.AddDeclRef(E->getOperatorDelete(), Record); 1126 Writer.AddStmt(E->getArgument()); 1127 Writer.AddSourceLocation(E->getSourceRange().getBegin(), Record); 1128 1129 Code = serialization::EXPR_CXX_DELETE; 1130} 1131 1132void ASTStmtWriter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) { 1133 VisitExpr(E); 1134 1135 Writer.AddStmt(E->getBase()); 1136 Record.push_back(E->isArrow()); 1137 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1138 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 1139 Writer.AddSourceRange(E->getQualifierRange(), Record); 1140 Writer.AddTypeSourceInfo(E->getScopeTypeInfo(), Record); 1141 Writer.AddSourceLocation(E->getColonColonLoc(), Record); 1142 Writer.AddSourceLocation(E->getTildeLoc(), Record); 1143 1144 // PseudoDestructorTypeStorage. 1145 Writer.AddIdentifierRef(E->getDestroyedTypeIdentifier(), Record); 1146 if (E->getDestroyedTypeIdentifier()) 1147 Writer.AddSourceLocation(E->getDestroyedTypeLoc(), Record); 1148 else 1149 Writer.AddTypeSourceInfo(E->getDestroyedTypeInfo(), Record); 1150 1151 Code = serialization::EXPR_CXX_PSEUDO_DESTRUCTOR; 1152} 1153 1154void ASTStmtWriter::VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E) { 1155 VisitExpr(E); 1156 Record.push_back(E->getNumTemporaries()); 1157 for (unsigned i = 0, e = E->getNumTemporaries(); i != e; ++i) 1158 Writer.AddCXXTemporary(E->getTemporary(i), Record); 1159 1160 Writer.AddStmt(E->getSubExpr()); 1161 Code = serialization::EXPR_CXX_EXPR_WITH_TEMPORARIES; 1162} 1163 1164void 1165ASTStmtWriter::VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E){ 1166 VisitExpr(E); 1167 1168 // Don't emit anything here, NumTemplateArgs must be emitted first. 1169 1170 if (E->hasExplicitTemplateArgs()) { 1171 const ExplicitTemplateArgumentList &Args = E->getExplicitTemplateArgs(); 1172 assert(Args.NumTemplateArgs && 1173 "Num of template args was zero! AST reading will mess up!"); 1174 Record.push_back(Args.NumTemplateArgs); 1175 AddExplicitTemplateArgumentList(Args); 1176 } else { 1177 Record.push_back(0); 1178 } 1179 1180 if (!E->isImplicitAccess()) 1181 Writer.AddStmt(E->getBase()); 1182 else 1183 Writer.AddStmt(0); 1184 Writer.AddTypeRef(E->getBaseType(), Record); 1185 Record.push_back(E->isArrow()); 1186 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1187 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 1188 Writer.AddSourceRange(E->getQualifierRange(), Record); 1189 Writer.AddDeclRef(E->getFirstQualifierFoundInScope(), Record); 1190 // FIXME: write whole DeclarationNameInfo. 1191 Writer.AddDeclarationName(E->getMember(), Record); 1192 Writer.AddSourceLocation(E->getMemberLoc(), Record); 1193 Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_MEMBER; 1194} 1195 1196void 1197ASTStmtWriter::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) { 1198 VisitExpr(E); 1199 1200 // Don't emit anything here, NumTemplateArgs must be emitted first. 1201 1202 if (E->hasExplicitTemplateArgs()) { 1203 const ExplicitTemplateArgumentList &Args = E->getExplicitTemplateArgs(); 1204 assert(Args.NumTemplateArgs && 1205 "Num of template args was zero! AST reading will mess up!"); 1206 Record.push_back(Args.NumTemplateArgs); 1207 AddExplicitTemplateArgumentList(Args); 1208 } else { 1209 Record.push_back(0); 1210 } 1211 1212 // FIXME: write whole DeclarationNameInfo. 1213 Writer.AddDeclarationName(E->getDeclName(), Record); 1214 Writer.AddSourceLocation(E->getLocation(), Record); 1215 Writer.AddSourceRange(E->getQualifierRange(), Record); 1216 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 1217 Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_DECL_REF; 1218} 1219 1220void 1221ASTStmtWriter::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E) { 1222 VisitExpr(E); 1223 Record.push_back(E->arg_size()); 1224 for (CXXUnresolvedConstructExpr::arg_iterator 1225 ArgI = E->arg_begin(), ArgE = E->arg_end(); ArgI != ArgE; ++ArgI) 1226 Writer.AddStmt(*ArgI); 1227 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 1228 Writer.AddSourceLocation(E->getLParenLoc(), Record); 1229 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1230 Code = serialization::EXPR_CXX_UNRESOLVED_CONSTRUCT; 1231} 1232 1233void ASTStmtWriter::VisitOverloadExpr(OverloadExpr *E) { 1234 VisitExpr(E); 1235 1236 // Don't emit anything here, NumTemplateArgs must be emitted first. 1237 1238 if (E->hasExplicitTemplateArgs()) { 1239 const ExplicitTemplateArgumentList &Args = E->getExplicitTemplateArgs(); 1240 assert(Args.NumTemplateArgs && 1241 "Num of template args was zero! AST reading will mess up!"); 1242 Record.push_back(Args.NumTemplateArgs); 1243 AddExplicitTemplateArgumentList(Args); 1244 } else { 1245 Record.push_back(0); 1246 } 1247 1248 Record.push_back(E->getNumDecls()); 1249 for (OverloadExpr::decls_iterator 1250 OvI = E->decls_begin(), OvE = E->decls_end(); OvI != OvE; ++OvI) { 1251 Writer.AddDeclRef(OvI.getDecl(), Record); 1252 Record.push_back(OvI.getAccess()); 1253 } 1254 1255 // FIXME: write whole DeclarationNameInfo. 1256 Writer.AddDeclarationName(E->getName(), Record); 1257 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 1258 Writer.AddSourceRange(E->getQualifierRange(), Record); 1259 Writer.AddSourceLocation(E->getNameLoc(), Record); 1260} 1261 1262void ASTStmtWriter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) { 1263 VisitOverloadExpr(E); 1264 Record.push_back(E->isArrow()); 1265 Record.push_back(E->hasUnresolvedUsing()); 1266 Writer.AddStmt(!E->isImplicitAccess() ? E->getBase() : 0); 1267 Writer.AddTypeRef(E->getBaseType(), Record); 1268 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1269 Code = serialization::EXPR_CXX_UNRESOLVED_MEMBER; 1270} 1271 1272void ASTStmtWriter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) { 1273 VisitOverloadExpr(E); 1274 Record.push_back(E->requiresADL()); 1275 Record.push_back(E->isOverloaded()); 1276 Writer.AddDeclRef(E->getNamingClass(), Record); 1277 Code = serialization::EXPR_CXX_UNRESOLVED_LOOKUP; 1278} 1279 1280void ASTStmtWriter::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) { 1281 VisitExpr(E); 1282 Record.push_back(E->getTrait()); 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