ASTWriterStmt.cpp revision 096832c5ed5b9106fa177ebc148489760c3bc496
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 VisitCXXThisExpr(CXXThisExpr *E); 135 void VisitCXXThrowExpr(CXXThrowExpr *E); 136 void VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E); 137 void VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E); 138 void VisitCXXBindReferenceExpr(CXXBindReferenceExpr *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 }; 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(Writer.GetLabelID(S)); 216 Code = serialization::STMT_LABEL; 217} 218 219void ASTStmtWriter::VisitIfStmt(IfStmt *S) { 220 VisitStmt(S); 221 Writer.AddDeclRef(S->getConditionVariable(), Record); 222 Writer.AddStmt(S->getCond()); 223 Writer.AddStmt(S->getThen()); 224 Writer.AddStmt(S->getElse()); 225 Writer.AddSourceLocation(S->getIfLoc(), Record); 226 Writer.AddSourceLocation(S->getElseLoc(), Record); 227 Code = serialization::STMT_IF; 228} 229 230void ASTStmtWriter::VisitSwitchStmt(SwitchStmt *S) { 231 VisitStmt(S); 232 Writer.AddDeclRef(S->getConditionVariable(), Record); 233 Writer.AddStmt(S->getCond()); 234 Writer.AddStmt(S->getBody()); 235 Writer.AddSourceLocation(S->getSwitchLoc(), Record); 236 for (SwitchCase *SC = S->getSwitchCaseList(); SC; 237 SC = SC->getNextSwitchCase()) 238 Record.push_back(Writer.RecordSwitchCaseID(SC)); 239 Code = serialization::STMT_SWITCH; 240} 241 242void ASTStmtWriter::VisitWhileStmt(WhileStmt *S) { 243 VisitStmt(S); 244 Writer.AddDeclRef(S->getConditionVariable(), Record); 245 Writer.AddStmt(S->getCond()); 246 Writer.AddStmt(S->getBody()); 247 Writer.AddSourceLocation(S->getWhileLoc(), Record); 248 Code = serialization::STMT_WHILE; 249} 250 251void ASTStmtWriter::VisitDoStmt(DoStmt *S) { 252 VisitStmt(S); 253 Writer.AddStmt(S->getCond()); 254 Writer.AddStmt(S->getBody()); 255 Writer.AddSourceLocation(S->getDoLoc(), Record); 256 Writer.AddSourceLocation(S->getWhileLoc(), Record); 257 Writer.AddSourceLocation(S->getRParenLoc(), Record); 258 Code = serialization::STMT_DO; 259} 260 261void ASTStmtWriter::VisitForStmt(ForStmt *S) { 262 VisitStmt(S); 263 Writer.AddStmt(S->getInit()); 264 Writer.AddStmt(S->getCond()); 265 Writer.AddDeclRef(S->getConditionVariable(), Record); 266 Writer.AddStmt(S->getInc()); 267 Writer.AddStmt(S->getBody()); 268 Writer.AddSourceLocation(S->getForLoc(), Record); 269 Writer.AddSourceLocation(S->getLParenLoc(), Record); 270 Writer.AddSourceLocation(S->getRParenLoc(), Record); 271 Code = serialization::STMT_FOR; 272} 273 274void ASTStmtWriter::VisitGotoStmt(GotoStmt *S) { 275 VisitStmt(S); 276 Record.push_back(Writer.GetLabelID(S->getLabel())); 277 Writer.AddSourceLocation(S->getGotoLoc(), Record); 278 Writer.AddSourceLocation(S->getLabelLoc(), Record); 279 Code = serialization::STMT_GOTO; 280} 281 282void ASTStmtWriter::VisitIndirectGotoStmt(IndirectGotoStmt *S) { 283 VisitStmt(S); 284 Writer.AddSourceLocation(S->getGotoLoc(), Record); 285 Writer.AddSourceLocation(S->getStarLoc(), Record); 286 Writer.AddStmt(S->getTarget()); 287 Code = serialization::STMT_INDIRECT_GOTO; 288} 289 290void ASTStmtWriter::VisitContinueStmt(ContinueStmt *S) { 291 VisitStmt(S); 292 Writer.AddSourceLocation(S->getContinueLoc(), Record); 293 Code = serialization::STMT_CONTINUE; 294} 295 296void ASTStmtWriter::VisitBreakStmt(BreakStmt *S) { 297 VisitStmt(S); 298 Writer.AddSourceLocation(S->getBreakLoc(), Record); 299 Code = serialization::STMT_BREAK; 300} 301 302void ASTStmtWriter::VisitReturnStmt(ReturnStmt *S) { 303 VisitStmt(S); 304 Writer.AddStmt(S->getRetValue()); 305 Writer.AddSourceLocation(S->getReturnLoc(), Record); 306 Writer.AddDeclRef(S->getNRVOCandidate(), Record); 307 Code = serialization::STMT_RETURN; 308} 309 310void ASTStmtWriter::VisitDeclStmt(DeclStmt *S) { 311 VisitStmt(S); 312 Writer.AddSourceLocation(S->getStartLoc(), Record); 313 Writer.AddSourceLocation(S->getEndLoc(), Record); 314 DeclGroupRef DG = S->getDeclGroup(); 315 for (DeclGroupRef::iterator D = DG.begin(), DEnd = DG.end(); D != DEnd; ++D) 316 Writer.AddDeclRef(*D, Record); 317 Code = serialization::STMT_DECL; 318} 319 320void ASTStmtWriter::VisitAsmStmt(AsmStmt *S) { 321 VisitStmt(S); 322 Record.push_back(S->getNumOutputs()); 323 Record.push_back(S->getNumInputs()); 324 Record.push_back(S->getNumClobbers()); 325 Writer.AddSourceLocation(S->getAsmLoc(), Record); 326 Writer.AddSourceLocation(S->getRParenLoc(), Record); 327 Record.push_back(S->isVolatile()); 328 Record.push_back(S->isSimple()); 329 Record.push_back(S->isMSAsm()); 330 Writer.AddStmt(S->getAsmString()); 331 332 // Outputs 333 for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) { 334 Writer.AddIdentifierRef(S->getOutputIdentifier(I), Record); 335 Writer.AddStmt(S->getOutputConstraintLiteral(I)); 336 Writer.AddStmt(S->getOutputExpr(I)); 337 } 338 339 // Inputs 340 for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) { 341 Writer.AddIdentifierRef(S->getInputIdentifier(I), Record); 342 Writer.AddStmt(S->getInputConstraintLiteral(I)); 343 Writer.AddStmt(S->getInputExpr(I)); 344 } 345 346 // Clobbers 347 for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I) 348 Writer.AddStmt(S->getClobber(I)); 349 350 Code = serialization::STMT_ASM; 351} 352 353void ASTStmtWriter::VisitExpr(Expr *E) { 354 VisitStmt(E); 355 Writer.AddTypeRef(E->getType(), Record); 356 Record.push_back(E->isTypeDependent()); 357 Record.push_back(E->isValueDependent()); 358} 359 360void ASTStmtWriter::VisitPredefinedExpr(PredefinedExpr *E) { 361 VisitExpr(E); 362 Writer.AddSourceLocation(E->getLocation(), Record); 363 Record.push_back(E->getIdentType()); // FIXME: stable encoding 364 Code = serialization::EXPR_PREDEFINED; 365} 366 367void ASTStmtWriter::VisitDeclRefExpr(DeclRefExpr *E) { 368 VisitExpr(E); 369 370 Record.push_back(E->hasQualifier()); 371 unsigned NumTemplateArgs = E->getNumTemplateArgs(); 372 assert((NumTemplateArgs != 0) == E->hasExplicitTemplateArgs() && 373 "Template args list with no args ?"); 374 Record.push_back(NumTemplateArgs); 375 376 if (E->hasQualifier()) { 377 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 378 Writer.AddSourceRange(E->getQualifierRange(), Record); 379 } 380 381 if (NumTemplateArgs) 382 AddExplicitTemplateArgumentList(E->getExplicitTemplateArgs()); 383 384 Writer.AddDeclRef(E->getDecl(), Record); 385 // FIXME: write DeclarationNameLoc. 386 Writer.AddSourceLocation(E->getLocation(), Record); 387 Code = serialization::EXPR_DECL_REF; 388} 389 390void ASTStmtWriter::VisitIntegerLiteral(IntegerLiteral *E) { 391 VisitExpr(E); 392 Writer.AddSourceLocation(E->getLocation(), Record); 393 Writer.AddAPInt(E->getValue(), Record); 394 Code = serialization::EXPR_INTEGER_LITERAL; 395} 396 397void ASTStmtWriter::VisitFloatingLiteral(FloatingLiteral *E) { 398 VisitExpr(E); 399 Writer.AddAPFloat(E->getValue(), Record); 400 Record.push_back(E->isExact()); 401 Writer.AddSourceLocation(E->getLocation(), Record); 402 Code = serialization::EXPR_FLOATING_LITERAL; 403} 404 405void ASTStmtWriter::VisitImaginaryLiteral(ImaginaryLiteral *E) { 406 VisitExpr(E); 407 Writer.AddStmt(E->getSubExpr()); 408 Code = serialization::EXPR_IMAGINARY_LITERAL; 409} 410 411void ASTStmtWriter::VisitStringLiteral(StringLiteral *E) { 412 VisitExpr(E); 413 Record.push_back(E->getByteLength()); 414 Record.push_back(E->getNumConcatenated()); 415 Record.push_back(E->isWide()); 416 // FIXME: String data should be stored as a blob at the end of the 417 // StringLiteral. However, we can't do so now because we have no 418 // provision for coping with abbreviations when we're jumping around 419 // the AST file during deserialization. 420 Record.append(E->getString().begin(), E->getString().end()); 421 for (unsigned I = 0, N = E->getNumConcatenated(); I != N; ++I) 422 Writer.AddSourceLocation(E->getStrTokenLoc(I), Record); 423 Code = serialization::EXPR_STRING_LITERAL; 424} 425 426void ASTStmtWriter::VisitCharacterLiteral(CharacterLiteral *E) { 427 VisitExpr(E); 428 Record.push_back(E->getValue()); 429 Writer.AddSourceLocation(E->getLocation(), Record); 430 Record.push_back(E->isWide()); 431 Code = serialization::EXPR_CHARACTER_LITERAL; 432} 433 434void ASTStmtWriter::VisitParenExpr(ParenExpr *E) { 435 VisitExpr(E); 436 Writer.AddSourceLocation(E->getLParen(), Record); 437 Writer.AddSourceLocation(E->getRParen(), Record); 438 Writer.AddStmt(E->getSubExpr()); 439 Code = serialization::EXPR_PAREN; 440} 441 442void ASTStmtWriter::VisitParenListExpr(ParenListExpr *E) { 443 VisitExpr(E); 444 Record.push_back(E->NumExprs); 445 for (unsigned i=0; i != E->NumExprs; ++i) 446 Writer.AddStmt(E->Exprs[i]); 447 Writer.AddSourceLocation(E->LParenLoc, Record); 448 Writer.AddSourceLocation(E->RParenLoc, Record); 449 Code = serialization::EXPR_PAREN_LIST; 450} 451 452void ASTStmtWriter::VisitUnaryOperator(UnaryOperator *E) { 453 VisitExpr(E); 454 Writer.AddStmt(E->getSubExpr()); 455 Record.push_back(E->getOpcode()); // FIXME: stable encoding 456 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 457 Code = serialization::EXPR_UNARY_OPERATOR; 458} 459 460void ASTStmtWriter::VisitOffsetOfExpr(OffsetOfExpr *E) { 461 VisitExpr(E); 462 Record.push_back(E->getNumComponents()); 463 Record.push_back(E->getNumExpressions()); 464 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 465 Writer.AddSourceLocation(E->getRParenLoc(), Record); 466 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 467 for (unsigned I = 0, N = E->getNumComponents(); I != N; ++I) { 468 const OffsetOfExpr::OffsetOfNode &ON = E->getComponent(I); 469 Record.push_back(ON.getKind()); // FIXME: Stable encoding 470 Writer.AddSourceLocation(ON.getRange().getBegin(), Record); 471 Writer.AddSourceLocation(ON.getRange().getEnd(), Record); 472 switch (ON.getKind()) { 473 case OffsetOfExpr::OffsetOfNode::Array: 474 Record.push_back(ON.getArrayExprIndex()); 475 break; 476 477 case OffsetOfExpr::OffsetOfNode::Field: 478 Writer.AddDeclRef(ON.getField(), Record); 479 break; 480 481 case OffsetOfExpr::OffsetOfNode::Identifier: 482 Writer.AddIdentifierRef(ON.getFieldName(), Record); 483 break; 484 485 case OffsetOfExpr::OffsetOfNode::Base: 486 Writer.AddCXXBaseSpecifier(*ON.getBase(), Record); 487 break; 488 } 489 } 490 for (unsigned I = 0, N = E->getNumExpressions(); I != N; ++I) 491 Writer.AddStmt(E->getIndexExpr(I)); 492 Code = serialization::EXPR_OFFSETOF; 493} 494 495void ASTStmtWriter::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E) { 496 VisitExpr(E); 497 Record.push_back(E->isSizeOf()); 498 if (E->isArgumentType()) 499 Writer.AddTypeSourceInfo(E->getArgumentTypeInfo(), Record); 500 else { 501 Record.push_back(0); 502 Writer.AddStmt(E->getArgumentExpr()); 503 } 504 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 505 Writer.AddSourceLocation(E->getRParenLoc(), Record); 506 Code = serialization::EXPR_SIZEOF_ALIGN_OF; 507} 508 509void ASTStmtWriter::VisitArraySubscriptExpr(ArraySubscriptExpr *E) { 510 VisitExpr(E); 511 Writer.AddStmt(E->getLHS()); 512 Writer.AddStmt(E->getRHS()); 513 Writer.AddSourceLocation(E->getRBracketLoc(), Record); 514 Code = serialization::EXPR_ARRAY_SUBSCRIPT; 515} 516 517void ASTStmtWriter::VisitCallExpr(CallExpr *E) { 518 VisitExpr(E); 519 Record.push_back(E->getNumArgs()); 520 Writer.AddSourceLocation(E->getRParenLoc(), Record); 521 Writer.AddStmt(E->getCallee()); 522 for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end(); 523 Arg != ArgEnd; ++Arg) 524 Writer.AddStmt(*Arg); 525 Code = serialization::EXPR_CALL; 526} 527 528void ASTStmtWriter::VisitMemberExpr(MemberExpr *E) { 529 // Don't call VisitExpr, we'll write everything here. 530 531 Record.push_back(E->hasQualifier()); 532 if (E->hasQualifier()) { 533 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 534 Writer.AddSourceRange(E->getQualifierRange(), Record); 535 } 536 537 unsigned NumTemplateArgs = E->getNumTemplateArgs(); 538 assert((NumTemplateArgs != 0) == E->hasExplicitTemplateArgs() && 539 "Template args list with no args ?"); 540 Record.push_back(NumTemplateArgs); 541 if (NumTemplateArgs) { 542 Writer.AddSourceLocation(E->getLAngleLoc(), Record); 543 Writer.AddSourceLocation(E->getRAngleLoc(), Record); 544 for (unsigned i=0; i != NumTemplateArgs; ++i) 545 Writer.AddTemplateArgumentLoc(E->getTemplateArgs()[i], Record); 546 } 547 548 DeclAccessPair FoundDecl = E->getFoundDecl(); 549 Writer.AddDeclRef(FoundDecl.getDecl(), Record); 550 Record.push_back(FoundDecl.getAccess()); 551 552 Writer.AddTypeRef(E->getType(), Record); 553 Writer.AddStmt(E->getBase()); 554 Writer.AddDeclRef(E->getMemberDecl(), Record); 555 // FIXME: write DeclarationNameLoc. 556 Writer.AddSourceLocation(E->getMemberLoc(), Record); 557 Record.push_back(E->isArrow()); 558 Code = serialization::EXPR_MEMBER; 559} 560 561void ASTStmtWriter::VisitObjCIsaExpr(ObjCIsaExpr *E) { 562 VisitExpr(E); 563 Writer.AddStmt(E->getBase()); 564 Writer.AddSourceLocation(E->getIsaMemberLoc(), Record); 565 Record.push_back(E->isArrow()); 566 Code = serialization::EXPR_OBJC_ISA; 567} 568 569void ASTStmtWriter::VisitCastExpr(CastExpr *E) { 570 VisitExpr(E); 571 Record.push_back(E->path_size()); 572 Writer.AddStmt(E->getSubExpr()); 573 Record.push_back(E->getCastKind()); // FIXME: stable encoding 574 575 for (CastExpr::path_iterator 576 PI = E->path_begin(), PE = E->path_end(); PI != PE; ++PI) 577 Writer.AddCXXBaseSpecifier(**PI, Record); 578} 579 580void ASTStmtWriter::VisitBinaryOperator(BinaryOperator *E) { 581 VisitExpr(E); 582 Writer.AddStmt(E->getLHS()); 583 Writer.AddStmt(E->getRHS()); 584 Record.push_back(E->getOpcode()); // FIXME: stable encoding 585 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 586 Code = serialization::EXPR_BINARY_OPERATOR; 587} 588 589void ASTStmtWriter::VisitCompoundAssignOperator(CompoundAssignOperator *E) { 590 VisitBinaryOperator(E); 591 Writer.AddTypeRef(E->getComputationLHSType(), Record); 592 Writer.AddTypeRef(E->getComputationResultType(), Record); 593 Code = serialization::EXPR_COMPOUND_ASSIGN_OPERATOR; 594} 595 596void ASTStmtWriter::VisitConditionalOperator(ConditionalOperator *E) { 597 VisitExpr(E); 598 Writer.AddStmt(E->getCond()); 599 Writer.AddStmt(E->getLHS()); 600 Writer.AddStmt(E->getRHS()); 601 Writer.AddSourceLocation(E->getQuestionLoc(), Record); 602 Writer.AddSourceLocation(E->getColonLoc(), Record); 603 Code = serialization::EXPR_CONDITIONAL_OPERATOR; 604} 605 606void ASTStmtWriter::VisitImplicitCastExpr(ImplicitCastExpr *E) { 607 VisitCastExpr(E); 608 Record.push_back(E->getCategory()); 609 Code = serialization::EXPR_IMPLICIT_CAST; 610} 611 612void ASTStmtWriter::VisitExplicitCastExpr(ExplicitCastExpr *E) { 613 VisitCastExpr(E); 614 Writer.AddTypeSourceInfo(E->getTypeInfoAsWritten(), Record); 615} 616 617void ASTStmtWriter::VisitCStyleCastExpr(CStyleCastExpr *E) { 618 VisitExplicitCastExpr(E); 619 Writer.AddSourceLocation(E->getLParenLoc(), Record); 620 Writer.AddSourceLocation(E->getRParenLoc(), Record); 621 Code = serialization::EXPR_CSTYLE_CAST; 622} 623 624void ASTStmtWriter::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) { 625 VisitExpr(E); 626 Writer.AddSourceLocation(E->getLParenLoc(), Record); 627 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 628 Writer.AddStmt(E->getInitializer()); 629 Record.push_back(E->isFileScope()); 630 Code = serialization::EXPR_COMPOUND_LITERAL; 631} 632 633void ASTStmtWriter::VisitExtVectorElementExpr(ExtVectorElementExpr *E) { 634 VisitExpr(E); 635 Writer.AddStmt(E->getBase()); 636 Writer.AddIdentifierRef(&E->getAccessor(), Record); 637 Writer.AddSourceLocation(E->getAccessorLoc(), Record); 638 Code = serialization::EXPR_EXT_VECTOR_ELEMENT; 639} 640 641void ASTStmtWriter::VisitInitListExpr(InitListExpr *E) { 642 VisitExpr(E); 643 Record.push_back(E->getNumInits()); 644 for (unsigned I = 0, N = E->getNumInits(); I != N; ++I) 645 Writer.AddStmt(E->getInit(I)); 646 Writer.AddStmt(E->getSyntacticForm()); 647 Writer.AddSourceLocation(E->getLBraceLoc(), Record); 648 Writer.AddSourceLocation(E->getRBraceLoc(), Record); 649 Writer.AddDeclRef(E->getInitializedFieldInUnion(), Record); 650 Record.push_back(E->hadArrayRangeDesignator()); 651 Code = serialization::EXPR_INIT_LIST; 652} 653 654void ASTStmtWriter::VisitDesignatedInitExpr(DesignatedInitExpr *E) { 655 VisitExpr(E); 656 Record.push_back(E->getNumSubExprs()); 657 for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I) 658 Writer.AddStmt(E->getSubExpr(I)); 659 Writer.AddSourceLocation(E->getEqualOrColonLoc(), Record); 660 Record.push_back(E->usesGNUSyntax()); 661 for (DesignatedInitExpr::designators_iterator D = E->designators_begin(), 662 DEnd = E->designators_end(); 663 D != DEnd; ++D) { 664 if (D->isFieldDesignator()) { 665 if (FieldDecl *Field = D->getField()) { 666 Record.push_back(serialization::DESIG_FIELD_DECL); 667 Writer.AddDeclRef(Field, Record); 668 } else { 669 Record.push_back(serialization::DESIG_FIELD_NAME); 670 Writer.AddIdentifierRef(D->getFieldName(), Record); 671 } 672 Writer.AddSourceLocation(D->getDotLoc(), Record); 673 Writer.AddSourceLocation(D->getFieldLoc(), Record); 674 } else if (D->isArrayDesignator()) { 675 Record.push_back(serialization::DESIG_ARRAY); 676 Record.push_back(D->getFirstExprIndex()); 677 Writer.AddSourceLocation(D->getLBracketLoc(), Record); 678 Writer.AddSourceLocation(D->getRBracketLoc(), Record); 679 } else { 680 assert(D->isArrayRangeDesignator() && "Unknown designator"); 681 Record.push_back(serialization::DESIG_ARRAY_RANGE); 682 Record.push_back(D->getFirstExprIndex()); 683 Writer.AddSourceLocation(D->getLBracketLoc(), Record); 684 Writer.AddSourceLocation(D->getEllipsisLoc(), Record); 685 Writer.AddSourceLocation(D->getRBracketLoc(), Record); 686 } 687 } 688 Code = serialization::EXPR_DESIGNATED_INIT; 689} 690 691void ASTStmtWriter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) { 692 VisitExpr(E); 693 Code = serialization::EXPR_IMPLICIT_VALUE_INIT; 694} 695 696void ASTStmtWriter::VisitVAArgExpr(VAArgExpr *E) { 697 VisitExpr(E); 698 Writer.AddStmt(E->getSubExpr()); 699 Writer.AddTypeSourceInfo(E->getWrittenTypeInfo(), Record); 700 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 701 Writer.AddSourceLocation(E->getRParenLoc(), Record); 702 Code = serialization::EXPR_VA_ARG; 703} 704 705void ASTStmtWriter::VisitAddrLabelExpr(AddrLabelExpr *E) { 706 VisitExpr(E); 707 Writer.AddSourceLocation(E->getAmpAmpLoc(), Record); 708 Writer.AddSourceLocation(E->getLabelLoc(), Record); 709 Record.push_back(Writer.GetLabelID(E->getLabel())); 710 Code = serialization::EXPR_ADDR_LABEL; 711} 712 713void ASTStmtWriter::VisitStmtExpr(StmtExpr *E) { 714 VisitExpr(E); 715 Writer.AddStmt(E->getSubStmt()); 716 Writer.AddSourceLocation(E->getLParenLoc(), Record); 717 Writer.AddSourceLocation(E->getRParenLoc(), Record); 718 Code = serialization::EXPR_STMT; 719} 720 721void ASTStmtWriter::VisitTypesCompatibleExpr(TypesCompatibleExpr *E) { 722 VisitExpr(E); 723 Writer.AddTypeSourceInfo(E->getArgTInfo1(), Record); 724 Writer.AddTypeSourceInfo(E->getArgTInfo2(), Record); 725 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 726 Writer.AddSourceLocation(E->getRParenLoc(), Record); 727 Code = serialization::EXPR_TYPES_COMPATIBLE; 728} 729 730void ASTStmtWriter::VisitChooseExpr(ChooseExpr *E) { 731 VisitExpr(E); 732 Writer.AddStmt(E->getCond()); 733 Writer.AddStmt(E->getLHS()); 734 Writer.AddStmt(E->getRHS()); 735 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 736 Writer.AddSourceLocation(E->getRParenLoc(), Record); 737 Code = serialization::EXPR_CHOOSE; 738} 739 740void ASTStmtWriter::VisitGNUNullExpr(GNUNullExpr *E) { 741 VisitExpr(E); 742 Writer.AddSourceLocation(E->getTokenLocation(), Record); 743 Code = serialization::EXPR_GNU_NULL; 744} 745 746void ASTStmtWriter::VisitShuffleVectorExpr(ShuffleVectorExpr *E) { 747 VisitExpr(E); 748 Record.push_back(E->getNumSubExprs()); 749 for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I) 750 Writer.AddStmt(E->getExpr(I)); 751 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 752 Writer.AddSourceLocation(E->getRParenLoc(), Record); 753 Code = serialization::EXPR_SHUFFLE_VECTOR; 754} 755 756void ASTStmtWriter::VisitBlockExpr(BlockExpr *E) { 757 VisitExpr(E); 758 Writer.AddDeclRef(E->getBlockDecl(), Record); 759 Record.push_back(E->hasBlockDeclRefExprs()); 760 Code = serialization::EXPR_BLOCK; 761} 762 763void ASTStmtWriter::VisitBlockDeclRefExpr(BlockDeclRefExpr *E) { 764 VisitExpr(E); 765 Writer.AddDeclRef(E->getDecl(), Record); 766 Writer.AddSourceLocation(E->getLocation(), Record); 767 Record.push_back(E->isByRef()); 768 Record.push_back(E->isConstQualAdded()); 769 Writer.AddStmt(E->getCopyConstructorExpr()); 770 Code = serialization::EXPR_BLOCK_DECL_REF; 771} 772 773//===----------------------------------------------------------------------===// 774// Objective-C Expressions and Statements. 775//===----------------------------------------------------------------------===// 776 777void ASTStmtWriter::VisitObjCStringLiteral(ObjCStringLiteral *E) { 778 VisitExpr(E); 779 Writer.AddStmt(E->getString()); 780 Writer.AddSourceLocation(E->getAtLoc(), Record); 781 Code = serialization::EXPR_OBJC_STRING_LITERAL; 782} 783 784void ASTStmtWriter::VisitObjCEncodeExpr(ObjCEncodeExpr *E) { 785 VisitExpr(E); 786 Writer.AddTypeSourceInfo(E->getEncodedTypeSourceInfo(), Record); 787 Writer.AddSourceLocation(E->getAtLoc(), Record); 788 Writer.AddSourceLocation(E->getRParenLoc(), Record); 789 Code = serialization::EXPR_OBJC_ENCODE; 790} 791 792void ASTStmtWriter::VisitObjCSelectorExpr(ObjCSelectorExpr *E) { 793 VisitExpr(E); 794 Writer.AddSelectorRef(E->getSelector(), Record); 795 Writer.AddSourceLocation(E->getAtLoc(), Record); 796 Writer.AddSourceLocation(E->getRParenLoc(), Record); 797 Code = serialization::EXPR_OBJC_SELECTOR_EXPR; 798} 799 800void ASTStmtWriter::VisitObjCProtocolExpr(ObjCProtocolExpr *E) { 801 VisitExpr(E); 802 Writer.AddDeclRef(E->getProtocol(), Record); 803 Writer.AddSourceLocation(E->getAtLoc(), Record); 804 Writer.AddSourceLocation(E->getRParenLoc(), Record); 805 Code = serialization::EXPR_OBJC_PROTOCOL_EXPR; 806} 807 808void ASTStmtWriter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) { 809 VisitExpr(E); 810 Writer.AddDeclRef(E->getDecl(), Record); 811 Writer.AddSourceLocation(E->getLocation(), Record); 812 Writer.AddStmt(E->getBase()); 813 Record.push_back(E->isArrow()); 814 Record.push_back(E->isFreeIvar()); 815 Code = serialization::EXPR_OBJC_IVAR_REF_EXPR; 816} 817 818void ASTStmtWriter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E) { 819 VisitExpr(E); 820 Writer.AddDeclRef(E->getProperty(), Record); 821 Writer.AddSourceLocation(E->getLocation(), Record); 822 Writer.AddStmt(E->getBase()); 823 Code = serialization::EXPR_OBJC_PROPERTY_REF_EXPR; 824} 825 826void ASTStmtWriter::VisitObjCImplicitSetterGetterRefExpr( 827 ObjCImplicitSetterGetterRefExpr *E) { 828 VisitExpr(E); 829 Writer.AddDeclRef(E->getGetterMethod(), Record); 830 Writer.AddDeclRef(E->getSetterMethod(), Record); 831 832 // NOTE: InterfaceDecl and Base are mutually exclusive. 833 Writer.AddDeclRef(E->getInterfaceDecl(), Record); 834 Writer.AddStmt(E->getBase()); 835 Writer.AddSourceLocation(E->getLocation(), Record); 836 Writer.AddSourceLocation(E->getClassLoc(), Record); 837 Code = serialization::EXPR_OBJC_KVC_REF_EXPR; 838} 839 840void ASTStmtWriter::VisitObjCMessageExpr(ObjCMessageExpr *E) { 841 VisitExpr(E); 842 Record.push_back(E->getNumArgs()); 843 Record.push_back((unsigned)E->getReceiverKind()); // FIXME: stable encoding 844 switch (E->getReceiverKind()) { 845 case ObjCMessageExpr::Instance: 846 Writer.AddStmt(E->getInstanceReceiver()); 847 break; 848 849 case ObjCMessageExpr::Class: 850 Writer.AddTypeSourceInfo(E->getClassReceiverTypeInfo(), Record); 851 break; 852 853 case ObjCMessageExpr::SuperClass: 854 case ObjCMessageExpr::SuperInstance: 855 Writer.AddTypeRef(E->getSuperType(), Record); 856 Writer.AddSourceLocation(E->getSuperLoc(), Record); 857 break; 858 } 859 860 if (E->getMethodDecl()) { 861 Record.push_back(1); 862 Writer.AddDeclRef(E->getMethodDecl(), Record); 863 } else { 864 Record.push_back(0); 865 Writer.AddSelectorRef(E->getSelector(), Record); 866 } 867 868 Writer.AddSourceLocation(E->getLeftLoc(), Record); 869 Writer.AddSourceLocation(E->getRightLoc(), Record); 870 871 for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end(); 872 Arg != ArgEnd; ++Arg) 873 Writer.AddStmt(*Arg); 874 Code = serialization::EXPR_OBJC_MESSAGE_EXPR; 875} 876 877void ASTStmtWriter::VisitObjCSuperExpr(ObjCSuperExpr *E) { 878 VisitExpr(E); 879 Writer.AddSourceLocation(E->getLoc(), Record); 880 Code = serialization::EXPR_OBJC_SUPER_EXPR; 881} 882 883void ASTStmtWriter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) { 884 VisitStmt(S); 885 Writer.AddStmt(S->getElement()); 886 Writer.AddStmt(S->getCollection()); 887 Writer.AddStmt(S->getBody()); 888 Writer.AddSourceLocation(S->getForLoc(), Record); 889 Writer.AddSourceLocation(S->getRParenLoc(), Record); 890 Code = serialization::STMT_OBJC_FOR_COLLECTION; 891} 892 893void ASTStmtWriter::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) { 894 Writer.AddStmt(S->getCatchBody()); 895 Writer.AddDeclRef(S->getCatchParamDecl(), Record); 896 Writer.AddSourceLocation(S->getAtCatchLoc(), Record); 897 Writer.AddSourceLocation(S->getRParenLoc(), Record); 898 Code = serialization::STMT_OBJC_CATCH; 899} 900 901void ASTStmtWriter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) { 902 Writer.AddStmt(S->getFinallyBody()); 903 Writer.AddSourceLocation(S->getAtFinallyLoc(), Record); 904 Code = serialization::STMT_OBJC_FINALLY; 905} 906 907void ASTStmtWriter::VisitObjCAtTryStmt(ObjCAtTryStmt *S) { 908 Record.push_back(S->getNumCatchStmts()); 909 Record.push_back(S->getFinallyStmt() != 0); 910 Writer.AddStmt(S->getTryBody()); 911 for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I) 912 Writer.AddStmt(S->getCatchStmt(I)); 913 if (S->getFinallyStmt()) 914 Writer.AddStmt(S->getFinallyStmt()); 915 Writer.AddSourceLocation(S->getAtTryLoc(), Record); 916 Code = serialization::STMT_OBJC_AT_TRY; 917} 918 919void ASTStmtWriter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) { 920 Writer.AddStmt(S->getSynchExpr()); 921 Writer.AddStmt(S->getSynchBody()); 922 Writer.AddSourceLocation(S->getAtSynchronizedLoc(), Record); 923 Code = serialization::STMT_OBJC_AT_SYNCHRONIZED; 924} 925 926void ASTStmtWriter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) { 927 Writer.AddStmt(S->getThrowExpr()); 928 Writer.AddSourceLocation(S->getThrowLoc(), Record); 929 Code = serialization::STMT_OBJC_AT_THROW; 930} 931 932//===----------------------------------------------------------------------===// 933// C++ Expressions and Statements. 934//===----------------------------------------------------------------------===// 935 936void ASTStmtWriter::VisitCXXCatchStmt(CXXCatchStmt *S) { 937 VisitStmt(S); 938 Writer.AddSourceLocation(S->getCatchLoc(), Record); 939 Writer.AddDeclRef(S->getExceptionDecl(), Record); 940 Writer.AddStmt(S->getHandlerBlock()); 941 Code = serialization::STMT_CXX_CATCH; 942} 943 944void ASTStmtWriter::VisitCXXTryStmt(CXXTryStmt *S) { 945 VisitStmt(S); 946 Record.push_back(S->getNumHandlers()); 947 Writer.AddSourceLocation(S->getTryLoc(), Record); 948 Writer.AddStmt(S->getTryBlock()); 949 for (unsigned i = 0, e = S->getNumHandlers(); i != e; ++i) 950 Writer.AddStmt(S->getHandler(i)); 951 Code = serialization::STMT_CXX_TRY; 952} 953 954void ASTStmtWriter::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E) { 955 VisitCallExpr(E); 956 Record.push_back(E->getOperator()); 957 Code = serialization::EXPR_CXX_OPERATOR_CALL; 958} 959 960void ASTStmtWriter::VisitCXXMemberCallExpr(CXXMemberCallExpr *E) { 961 VisitCallExpr(E); 962 Code = serialization::EXPR_CXX_MEMBER_CALL; 963} 964 965void ASTStmtWriter::VisitCXXConstructExpr(CXXConstructExpr *E) { 966 VisitExpr(E); 967 Record.push_back(E->getNumArgs()); 968 for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) 969 Writer.AddStmt(E->getArg(I)); 970 Writer.AddDeclRef(E->getConstructor(), Record); 971 Writer.AddSourceLocation(E->getLocation(), Record); 972 Record.push_back(E->isElidable()); 973 Record.push_back(E->requiresZeroInitialization()); 974 Record.push_back(E->getConstructionKind()); // FIXME: stable encoding 975 Code = serialization::EXPR_CXX_CONSTRUCT; 976} 977 978void ASTStmtWriter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) { 979 VisitCXXConstructExpr(E); 980 Writer.AddSourceLocation(E->getTypeBeginLoc(), Record); 981 Writer.AddSourceLocation(E->getRParenLoc(), Record); 982 Code = serialization::EXPR_CXX_TEMPORARY_OBJECT; 983} 984 985void ASTStmtWriter::VisitCXXNamedCastExpr(CXXNamedCastExpr *E) { 986 VisitExplicitCastExpr(E); 987 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 988} 989 990void ASTStmtWriter::VisitCXXStaticCastExpr(CXXStaticCastExpr *E) { 991 VisitCXXNamedCastExpr(E); 992 Code = serialization::EXPR_CXX_STATIC_CAST; 993} 994 995void ASTStmtWriter::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E) { 996 VisitCXXNamedCastExpr(E); 997 Code = serialization::EXPR_CXX_DYNAMIC_CAST; 998} 999 1000void ASTStmtWriter::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E) { 1001 VisitCXXNamedCastExpr(E); 1002 Code = serialization::EXPR_CXX_REINTERPRET_CAST; 1003} 1004 1005void ASTStmtWriter::VisitCXXConstCastExpr(CXXConstCastExpr *E) { 1006 VisitCXXNamedCastExpr(E); 1007 Code = serialization::EXPR_CXX_CONST_CAST; 1008} 1009 1010void ASTStmtWriter::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E) { 1011 VisitExplicitCastExpr(E); 1012 Writer.AddSourceLocation(E->getTypeBeginLoc(), Record); 1013 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1014 Code = serialization::EXPR_CXX_FUNCTIONAL_CAST; 1015} 1016 1017void ASTStmtWriter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) { 1018 VisitExpr(E); 1019 Record.push_back(E->getValue()); 1020 Writer.AddSourceLocation(E->getLocation(), Record); 1021 Code = serialization::EXPR_CXX_BOOL_LITERAL; 1022} 1023 1024void ASTStmtWriter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) { 1025 VisitExpr(E); 1026 Writer.AddSourceLocation(E->getLocation(), Record); 1027 Code = serialization::EXPR_CXX_NULL_PTR_LITERAL; 1028} 1029 1030void ASTStmtWriter::VisitCXXTypeidExpr(CXXTypeidExpr *E) { 1031 VisitExpr(E); 1032 Writer.AddSourceRange(E->getSourceRange(), Record); 1033 if (E->isTypeOperand()) { 1034 Writer.AddTypeSourceInfo(E->getTypeOperandSourceInfo(), Record); 1035 Code = serialization::EXPR_CXX_TYPEID_TYPE; 1036 } else { 1037 Writer.AddStmt(E->getExprOperand()); 1038 Code = serialization::EXPR_CXX_TYPEID_EXPR; 1039 } 1040} 1041 1042void ASTStmtWriter::VisitCXXThisExpr(CXXThisExpr *E) { 1043 VisitExpr(E); 1044 Writer.AddSourceLocation(E->getLocation(), Record); 1045 Record.push_back(E->isImplicit()); 1046 Code = serialization::EXPR_CXX_THIS; 1047} 1048 1049void ASTStmtWriter::VisitCXXThrowExpr(CXXThrowExpr *E) { 1050 VisitExpr(E); 1051 Writer.AddSourceLocation(E->getThrowLoc(), Record); 1052 Writer.AddStmt(E->getSubExpr()); 1053 Code = serialization::EXPR_CXX_THROW; 1054} 1055 1056void ASTStmtWriter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) { 1057 VisitExpr(E); 1058 1059 bool HasOtherExprStored = E->Param.getInt(); 1060 // Store these first, the reader reads them before creation. 1061 Record.push_back(HasOtherExprStored); 1062 if (HasOtherExprStored) 1063 Writer.AddStmt(E->getExpr()); 1064 Writer.AddDeclRef(E->getParam(), Record); 1065 Writer.AddSourceLocation(E->getUsedLocation(), Record); 1066 1067 Code = serialization::EXPR_CXX_DEFAULT_ARG; 1068} 1069 1070void ASTStmtWriter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) { 1071 VisitExpr(E); 1072 Writer.AddCXXTemporary(E->getTemporary(), Record); 1073 Writer.AddStmt(E->getSubExpr()); 1074 Code = serialization::EXPR_CXX_BIND_TEMPORARY; 1075} 1076 1077void ASTStmtWriter::VisitCXXBindReferenceExpr(CXXBindReferenceExpr *E) { 1078 VisitExpr(E); 1079 Writer.AddStmt(E->getSubExpr()); 1080 Record.push_back(E->extendsLifetime()); 1081 Record.push_back(E->requiresTemporaryCopy()); 1082 Code = serialization::EXPR_CXX_BIND_REFERENCE; 1083} 1084 1085void ASTStmtWriter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) { 1086 VisitExpr(E); 1087 Writer.AddSourceLocation(E->getTypeBeginLoc(), Record); 1088 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1089 Code = serialization::EXPR_CXX_SCALAR_VALUE_INIT; 1090} 1091 1092void ASTStmtWriter::VisitCXXNewExpr(CXXNewExpr *E) { 1093 VisitExpr(E); 1094 Record.push_back(E->isGlobalNew()); 1095 Record.push_back(E->hasInitializer()); 1096 Record.push_back(E->isArray()); 1097 Record.push_back(E->getNumPlacementArgs()); 1098 Record.push_back(E->getNumConstructorArgs()); 1099 Writer.AddDeclRef(E->getOperatorNew(), Record); 1100 Writer.AddDeclRef(E->getOperatorDelete(), Record); 1101 Writer.AddDeclRef(E->getConstructor(), Record); 1102 Writer.AddSourceRange(E->getTypeIdParens(), Record); 1103 Writer.AddSourceLocation(E->getStartLoc(), Record); 1104 Writer.AddSourceLocation(E->getEndLoc(), Record); 1105 for (CXXNewExpr::arg_iterator I = E->raw_arg_begin(), e = E->raw_arg_end(); 1106 I != e; ++I) 1107 Writer.AddStmt(*I); 1108 1109 Code = serialization::EXPR_CXX_NEW; 1110} 1111 1112void ASTStmtWriter::VisitCXXDeleteExpr(CXXDeleteExpr *E) { 1113 VisitExpr(E); 1114 Record.push_back(E->isGlobalDelete()); 1115 Record.push_back(E->isArrayForm()); 1116 Writer.AddDeclRef(E->getOperatorDelete(), Record); 1117 Writer.AddStmt(E->getArgument()); 1118 Writer.AddSourceLocation(E->getSourceRange().getBegin(), Record); 1119 1120 Code = serialization::EXPR_CXX_DELETE; 1121} 1122 1123void ASTStmtWriter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) { 1124 VisitExpr(E); 1125 1126 Writer.AddStmt(E->getBase()); 1127 Record.push_back(E->isArrow()); 1128 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1129 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 1130 Writer.AddSourceRange(E->getQualifierRange(), Record); 1131 Writer.AddTypeSourceInfo(E->getScopeTypeInfo(), Record); 1132 Writer.AddSourceLocation(E->getColonColonLoc(), Record); 1133 Writer.AddSourceLocation(E->getTildeLoc(), Record); 1134 1135 // PseudoDestructorTypeStorage. 1136 Writer.AddIdentifierRef(E->getDestroyedTypeIdentifier(), Record); 1137 if (E->getDestroyedTypeIdentifier()) 1138 Writer.AddSourceLocation(E->getDestroyedTypeLoc(), Record); 1139 else 1140 Writer.AddTypeSourceInfo(E->getDestroyedTypeInfo(), Record); 1141 1142 Code = serialization::EXPR_CXX_PSEUDO_DESTRUCTOR; 1143} 1144 1145void ASTStmtWriter::VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E) { 1146 VisitExpr(E); 1147 Record.push_back(E->getNumTemporaries()); 1148 for (unsigned i = 0, e = E->getNumTemporaries(); i != e; ++i) 1149 Writer.AddCXXTemporary(E->getTemporary(i), Record); 1150 1151 Writer.AddStmt(E->getSubExpr()); 1152 Code = serialization::EXPR_CXX_EXPR_WITH_TEMPORARIES; 1153} 1154 1155void 1156ASTStmtWriter::VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E){ 1157 VisitExpr(E); 1158 1159 // Don't emit anything here, NumTemplateArgs must be emitted first. 1160 1161 if (E->hasExplicitTemplateArgs()) { 1162 const ExplicitTemplateArgumentList &Args = E->getExplicitTemplateArgs(); 1163 assert(Args.NumTemplateArgs && 1164 "Num of template args was zero! AST reading will mess up!"); 1165 Record.push_back(Args.NumTemplateArgs); 1166 AddExplicitTemplateArgumentList(Args); 1167 } else { 1168 Record.push_back(0); 1169 } 1170 1171 if (!E->isImplicitAccess()) 1172 Writer.AddStmt(E->getBase()); 1173 else 1174 Writer.AddStmt(0); 1175 Writer.AddTypeRef(E->getBaseType(), Record); 1176 Record.push_back(E->isArrow()); 1177 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1178 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 1179 Writer.AddSourceRange(E->getQualifierRange(), Record); 1180 Writer.AddDeclRef(E->getFirstQualifierFoundInScope(), Record); 1181 // FIXME: write whole DeclarationNameInfo. 1182 Writer.AddDeclarationName(E->getMember(), Record); 1183 Writer.AddSourceLocation(E->getMemberLoc(), Record); 1184 Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_MEMBER; 1185} 1186 1187void 1188ASTStmtWriter::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) { 1189 VisitExpr(E); 1190 1191 // Don't emit anything here, NumTemplateArgs must be emitted first. 1192 1193 if (E->hasExplicitTemplateArgs()) { 1194 const ExplicitTemplateArgumentList &Args = E->getExplicitTemplateArgs(); 1195 assert(Args.NumTemplateArgs && 1196 "Num of template args was zero! AST reading will mess up!"); 1197 Record.push_back(Args.NumTemplateArgs); 1198 AddExplicitTemplateArgumentList(Args); 1199 } else { 1200 Record.push_back(0); 1201 } 1202 1203 // FIXME: write whole DeclarationNameInfo. 1204 Writer.AddDeclarationName(E->getDeclName(), Record); 1205 Writer.AddSourceLocation(E->getLocation(), Record); 1206 Writer.AddSourceRange(E->getQualifierRange(), Record); 1207 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 1208 Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_DECL_REF; 1209} 1210 1211void 1212ASTStmtWriter::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E) { 1213 VisitExpr(E); 1214 Record.push_back(E->arg_size()); 1215 for (CXXUnresolvedConstructExpr::arg_iterator 1216 ArgI = E->arg_begin(), ArgE = E->arg_end(); ArgI != ArgE; ++ArgI) 1217 Writer.AddStmt(*ArgI); 1218 Writer.AddSourceLocation(E->getTypeBeginLoc(), Record); 1219 Writer.AddTypeRef(E->getTypeAsWritten(), Record); 1220 Writer.AddSourceLocation(E->getLParenLoc(), Record); 1221 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1222 Code = serialization::EXPR_CXX_UNRESOLVED_CONSTRUCT; 1223} 1224 1225void ASTStmtWriter::VisitOverloadExpr(OverloadExpr *E) { 1226 VisitExpr(E); 1227 1228 // Don't emit anything here, NumTemplateArgs must be emitted first. 1229 1230 if (E->hasExplicitTemplateArgs()) { 1231 const ExplicitTemplateArgumentList &Args = E->getExplicitTemplateArgs(); 1232 assert(Args.NumTemplateArgs && 1233 "Num of template args was zero! AST reading will mess up!"); 1234 Record.push_back(Args.NumTemplateArgs); 1235 AddExplicitTemplateArgumentList(Args); 1236 } else { 1237 Record.push_back(0); 1238 } 1239 1240 Record.push_back(E->getNumDecls()); 1241 for (OverloadExpr::decls_iterator 1242 OvI = E->decls_begin(), OvE = E->decls_end(); OvI != OvE; ++OvI) { 1243 Writer.AddDeclRef(OvI.getDecl(), Record); 1244 Record.push_back(OvI.getAccess()); 1245 } 1246 1247 // FIXME: write whole DeclarationNameInfo. 1248 Writer.AddDeclarationName(E->getName(), Record); 1249 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 1250 Writer.AddSourceRange(E->getQualifierRange(), Record); 1251 Writer.AddSourceLocation(E->getNameLoc(), Record); 1252} 1253 1254void ASTStmtWriter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) { 1255 VisitOverloadExpr(E); 1256 Record.push_back(E->isArrow()); 1257 Record.push_back(E->hasUnresolvedUsing()); 1258 Writer.AddStmt(!E->isImplicitAccess() ? E->getBase() : 0); 1259 Writer.AddTypeRef(E->getBaseType(), Record); 1260 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1261 Code = serialization::EXPR_CXX_UNRESOLVED_MEMBER; 1262} 1263 1264void ASTStmtWriter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) { 1265 VisitOverloadExpr(E); 1266 Record.push_back(E->requiresADL()); 1267 Record.push_back(E->isOverloaded()); 1268 Writer.AddDeclRef(E->getNamingClass(), Record); 1269 Code = serialization::EXPR_CXX_UNRESOLVED_LOOKUP; 1270} 1271 1272void ASTStmtWriter::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) { 1273 VisitExpr(E); 1274 Record.push_back(E->getTrait()); 1275 Writer.AddSourceRange(E->getSourceRange(), Record); 1276 Writer.AddTypeRef(E->getQueriedType(), Record); 1277 Code = serialization::EXPR_CXX_UNARY_TYPE_TRAIT; 1278} 1279 1280//===----------------------------------------------------------------------===// 1281// ASTWriter Implementation 1282//===----------------------------------------------------------------------===// 1283 1284unsigned ASTWriter::RecordSwitchCaseID(SwitchCase *S) { 1285 assert(SwitchCaseIDs.find(S) == SwitchCaseIDs.end() && 1286 "SwitchCase recorded twice"); 1287 unsigned NextID = SwitchCaseIDs.size(); 1288 SwitchCaseIDs[S] = NextID; 1289 return NextID; 1290} 1291 1292unsigned ASTWriter::getSwitchCaseID(SwitchCase *S) { 1293 assert(SwitchCaseIDs.find(S) != SwitchCaseIDs.end() && 1294 "SwitchCase hasn't been seen yet"); 1295 return SwitchCaseIDs[S]; 1296} 1297 1298/// \brief Retrieve the ID for the given label statement, which may 1299/// or may not have been emitted yet. 1300unsigned ASTWriter::GetLabelID(LabelStmt *S) { 1301 std::map<LabelStmt *, unsigned>::iterator Pos = LabelIDs.find(S); 1302 if (Pos != LabelIDs.end()) 1303 return Pos->second; 1304 1305 unsigned NextID = LabelIDs.size(); 1306 LabelIDs[S] = NextID; 1307 return NextID; 1308} 1309 1310/// \brief Write the given substatement or subexpression to the 1311/// bitstream. 1312void ASTWriter::WriteSubStmt(Stmt *S) { 1313 RecordData Record; 1314 ASTStmtWriter Writer(*this, Record); 1315 ++NumStatements; 1316 1317 if (!S) { 1318 Stream.EmitRecord(serialization::STMT_NULL_PTR, Record); 1319 return; 1320 } 1321 1322 // Redirect ASTWriter::AddStmt to collect sub stmts. 1323 llvm::SmallVector<Stmt *, 16> SubStmts; 1324 CollectedStmts = &SubStmts; 1325 1326 Writer.Code = serialization::STMT_NULL_PTR; 1327 Writer.Visit(S); 1328 1329#ifndef NDEBUG 1330 if (Writer.Code == serialization::STMT_NULL_PTR) { 1331 SourceManager &SrcMgr 1332 = DeclIDs.begin()->first->getASTContext().getSourceManager(); 1333 S->dump(SrcMgr); 1334 assert(0 && "Unhandled sub statement writing AST file"); 1335 } 1336#endif 1337 1338 // Revert ASTWriter::AddStmt. 1339 CollectedStmts = &StmtsToEmit; 1340 1341 // Write the sub stmts in reverse order, last to first. When reading them back 1342 // we will read them in correct order by "pop"ing them from the Stmts stack. 1343 // This simplifies reading and allows to store a variable number of sub stmts 1344 // without knowing it in advance. 1345 while (!SubStmts.empty()) 1346 WriteSubStmt(SubStmts.pop_back_val()); 1347 1348 Stream.EmitRecord(Writer.Code, Record); 1349} 1350 1351/// \brief Flush all of the statements that have been added to the 1352/// queue via AddStmt(). 1353void ASTWriter::FlushStmts() { 1354 RecordData Record; 1355 1356 for (unsigned I = 0, N = StmtsToEmit.size(); I != N; ++I) { 1357 WriteSubStmt(StmtsToEmit[I]); 1358 1359 assert(N == StmtsToEmit.size() && 1360 "Substatement writen via AddStmt rather than WriteSubStmt!"); 1361 1362 // Note that we are at the end of a full expression. Any 1363 // expression records that follow this one are part of a different 1364 // expression. 1365 Stream.EmitRecord(serialization::STMT_STOP, Record); 1366 } 1367 1368 StmtsToEmit.clear(); 1369} 1370