ASTWriterStmt.cpp revision 3d37c0ada0e46b87be0a10e8d52d990a97d3907a
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 }; 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 Record.push_back(S->isAllEnumCasesCovered()); 237 for (SwitchCase *SC = S->getSwitchCaseList(); SC; 238 SC = SC->getNextSwitchCase()) 239 Record.push_back(Writer.RecordSwitchCaseID(SC)); 240 Code = serialization::STMT_SWITCH; 241} 242 243void ASTStmtWriter::VisitWhileStmt(WhileStmt *S) { 244 VisitStmt(S); 245 Writer.AddDeclRef(S->getConditionVariable(), Record); 246 Writer.AddStmt(S->getCond()); 247 Writer.AddStmt(S->getBody()); 248 Writer.AddSourceLocation(S->getWhileLoc(), Record); 249 Code = serialization::STMT_WHILE; 250} 251 252void ASTStmtWriter::VisitDoStmt(DoStmt *S) { 253 VisitStmt(S); 254 Writer.AddStmt(S->getCond()); 255 Writer.AddStmt(S->getBody()); 256 Writer.AddSourceLocation(S->getDoLoc(), Record); 257 Writer.AddSourceLocation(S->getWhileLoc(), Record); 258 Writer.AddSourceLocation(S->getRParenLoc(), Record); 259 Code = serialization::STMT_DO; 260} 261 262void ASTStmtWriter::VisitForStmt(ForStmt *S) { 263 VisitStmt(S); 264 Writer.AddStmt(S->getInit()); 265 Writer.AddStmt(S->getCond()); 266 Writer.AddDeclRef(S->getConditionVariable(), Record); 267 Writer.AddStmt(S->getInc()); 268 Writer.AddStmt(S->getBody()); 269 Writer.AddSourceLocation(S->getForLoc(), Record); 270 Writer.AddSourceLocation(S->getLParenLoc(), Record); 271 Writer.AddSourceLocation(S->getRParenLoc(), Record); 272 Code = serialization::STMT_FOR; 273} 274 275void ASTStmtWriter::VisitGotoStmt(GotoStmt *S) { 276 VisitStmt(S); 277 Record.push_back(Writer.GetLabelID(S->getLabel())); 278 Writer.AddSourceLocation(S->getGotoLoc(), Record); 279 Writer.AddSourceLocation(S->getLabelLoc(), Record); 280 Code = serialization::STMT_GOTO; 281} 282 283void ASTStmtWriter::VisitIndirectGotoStmt(IndirectGotoStmt *S) { 284 VisitStmt(S); 285 Writer.AddSourceLocation(S->getGotoLoc(), Record); 286 Writer.AddSourceLocation(S->getStarLoc(), Record); 287 Writer.AddStmt(S->getTarget()); 288 Code = serialization::STMT_INDIRECT_GOTO; 289} 290 291void ASTStmtWriter::VisitContinueStmt(ContinueStmt *S) { 292 VisitStmt(S); 293 Writer.AddSourceLocation(S->getContinueLoc(), Record); 294 Code = serialization::STMT_CONTINUE; 295} 296 297void ASTStmtWriter::VisitBreakStmt(BreakStmt *S) { 298 VisitStmt(S); 299 Writer.AddSourceLocation(S->getBreakLoc(), Record); 300 Code = serialization::STMT_BREAK; 301} 302 303void ASTStmtWriter::VisitReturnStmt(ReturnStmt *S) { 304 VisitStmt(S); 305 Writer.AddStmt(S->getRetValue()); 306 Writer.AddSourceLocation(S->getReturnLoc(), Record); 307 Writer.AddDeclRef(S->getNRVOCandidate(), Record); 308 Code = serialization::STMT_RETURN; 309} 310 311void ASTStmtWriter::VisitDeclStmt(DeclStmt *S) { 312 VisitStmt(S); 313 Writer.AddSourceLocation(S->getStartLoc(), Record); 314 Writer.AddSourceLocation(S->getEndLoc(), Record); 315 DeclGroupRef DG = S->getDeclGroup(); 316 for (DeclGroupRef::iterator D = DG.begin(), DEnd = DG.end(); D != DEnd; ++D) 317 Writer.AddDeclRef(*D, Record); 318 Code = serialization::STMT_DECL; 319} 320 321void ASTStmtWriter::VisitAsmStmt(AsmStmt *S) { 322 VisitStmt(S); 323 Record.push_back(S->getNumOutputs()); 324 Record.push_back(S->getNumInputs()); 325 Record.push_back(S->getNumClobbers()); 326 Writer.AddSourceLocation(S->getAsmLoc(), Record); 327 Writer.AddSourceLocation(S->getRParenLoc(), Record); 328 Record.push_back(S->isVolatile()); 329 Record.push_back(S->isSimple()); 330 Record.push_back(S->isMSAsm()); 331 Writer.AddStmt(S->getAsmString()); 332 333 // Outputs 334 for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) { 335 Writer.AddIdentifierRef(S->getOutputIdentifier(I), Record); 336 Writer.AddStmt(S->getOutputConstraintLiteral(I)); 337 Writer.AddStmt(S->getOutputExpr(I)); 338 } 339 340 // Inputs 341 for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) { 342 Writer.AddIdentifierRef(S->getInputIdentifier(I), Record); 343 Writer.AddStmt(S->getInputConstraintLiteral(I)); 344 Writer.AddStmt(S->getInputExpr(I)); 345 } 346 347 // Clobbers 348 for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I) 349 Writer.AddStmt(S->getClobber(I)); 350 351 Code = serialization::STMT_ASM; 352} 353 354void ASTStmtWriter::VisitExpr(Expr *E) { 355 VisitStmt(E); 356 Writer.AddTypeRef(E->getType(), Record); 357 Record.push_back(E->isTypeDependent()); 358 Record.push_back(E->isValueDependent()); 359} 360 361void ASTStmtWriter::VisitPredefinedExpr(PredefinedExpr *E) { 362 VisitExpr(E); 363 Writer.AddSourceLocation(E->getLocation(), Record); 364 Record.push_back(E->getIdentType()); // FIXME: stable encoding 365 Code = serialization::EXPR_PREDEFINED; 366} 367 368void ASTStmtWriter::VisitDeclRefExpr(DeclRefExpr *E) { 369 VisitExpr(E); 370 371 Record.push_back(E->hasQualifier()); 372 unsigned NumTemplateArgs = E->getNumTemplateArgs(); 373 assert((NumTemplateArgs != 0) == E->hasExplicitTemplateArgs() && 374 "Template args list with no args ?"); 375 Record.push_back(NumTemplateArgs); 376 377 if (E->hasQualifier()) { 378 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 379 Writer.AddSourceRange(E->getQualifierRange(), Record); 380 } 381 382 if (NumTemplateArgs) 383 AddExplicitTemplateArgumentList(E->getExplicitTemplateArgs()); 384 385 Writer.AddDeclRef(E->getDecl(), Record); 386 // FIXME: write DeclarationNameLoc. 387 Writer.AddSourceLocation(E->getLocation(), Record); 388 Code = serialization::EXPR_DECL_REF; 389} 390 391void ASTStmtWriter::VisitIntegerLiteral(IntegerLiteral *E) { 392 VisitExpr(E); 393 Writer.AddSourceLocation(E->getLocation(), Record); 394 Writer.AddAPInt(E->getValue(), Record); 395 Code = serialization::EXPR_INTEGER_LITERAL; 396} 397 398void ASTStmtWriter::VisitFloatingLiteral(FloatingLiteral *E) { 399 VisitExpr(E); 400 Writer.AddAPFloat(E->getValue(), Record); 401 Record.push_back(E->isExact()); 402 Writer.AddSourceLocation(E->getLocation(), Record); 403 Code = serialization::EXPR_FLOATING_LITERAL; 404} 405 406void ASTStmtWriter::VisitImaginaryLiteral(ImaginaryLiteral *E) { 407 VisitExpr(E); 408 Writer.AddStmt(E->getSubExpr()); 409 Code = serialization::EXPR_IMAGINARY_LITERAL; 410} 411 412void ASTStmtWriter::VisitStringLiteral(StringLiteral *E) { 413 VisitExpr(E); 414 Record.push_back(E->getByteLength()); 415 Record.push_back(E->getNumConcatenated()); 416 Record.push_back(E->isWide()); 417 // FIXME: String data should be stored as a blob at the end of the 418 // StringLiteral. However, we can't do so now because we have no 419 // provision for coping with abbreviations when we're jumping around 420 // the AST file during deserialization. 421 Record.append(E->getString().begin(), E->getString().end()); 422 for (unsigned I = 0, N = E->getNumConcatenated(); I != N; ++I) 423 Writer.AddSourceLocation(E->getStrTokenLoc(I), Record); 424 Code = serialization::EXPR_STRING_LITERAL; 425} 426 427void ASTStmtWriter::VisitCharacterLiteral(CharacterLiteral *E) { 428 VisitExpr(E); 429 Record.push_back(E->getValue()); 430 Writer.AddSourceLocation(E->getLocation(), Record); 431 Record.push_back(E->isWide()); 432 Code = serialization::EXPR_CHARACTER_LITERAL; 433} 434 435void ASTStmtWriter::VisitParenExpr(ParenExpr *E) { 436 VisitExpr(E); 437 Writer.AddSourceLocation(E->getLParen(), Record); 438 Writer.AddSourceLocation(E->getRParen(), Record); 439 Writer.AddStmt(E->getSubExpr()); 440 Code = serialization::EXPR_PAREN; 441} 442 443void ASTStmtWriter::VisitParenListExpr(ParenListExpr *E) { 444 VisitExpr(E); 445 Record.push_back(E->NumExprs); 446 for (unsigned i=0; i != E->NumExprs; ++i) 447 Writer.AddStmt(E->Exprs[i]); 448 Writer.AddSourceLocation(E->LParenLoc, Record); 449 Writer.AddSourceLocation(E->RParenLoc, Record); 450 Code = serialization::EXPR_PAREN_LIST; 451} 452 453void ASTStmtWriter::VisitUnaryOperator(UnaryOperator *E) { 454 VisitExpr(E); 455 Writer.AddStmt(E->getSubExpr()); 456 Record.push_back(E->getOpcode()); // FIXME: stable encoding 457 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 458 Code = serialization::EXPR_UNARY_OPERATOR; 459} 460 461void ASTStmtWriter::VisitOffsetOfExpr(OffsetOfExpr *E) { 462 VisitExpr(E); 463 Record.push_back(E->getNumComponents()); 464 Record.push_back(E->getNumExpressions()); 465 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 466 Writer.AddSourceLocation(E->getRParenLoc(), Record); 467 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 468 for (unsigned I = 0, N = E->getNumComponents(); I != N; ++I) { 469 const OffsetOfExpr::OffsetOfNode &ON = E->getComponent(I); 470 Record.push_back(ON.getKind()); // FIXME: Stable encoding 471 Writer.AddSourceLocation(ON.getRange().getBegin(), Record); 472 Writer.AddSourceLocation(ON.getRange().getEnd(), Record); 473 switch (ON.getKind()) { 474 case OffsetOfExpr::OffsetOfNode::Array: 475 Record.push_back(ON.getArrayExprIndex()); 476 break; 477 478 case OffsetOfExpr::OffsetOfNode::Field: 479 Writer.AddDeclRef(ON.getField(), Record); 480 break; 481 482 case OffsetOfExpr::OffsetOfNode::Identifier: 483 Writer.AddIdentifierRef(ON.getFieldName(), Record); 484 break; 485 486 case OffsetOfExpr::OffsetOfNode::Base: 487 Writer.AddCXXBaseSpecifier(*ON.getBase(), Record); 488 break; 489 } 490 } 491 for (unsigned I = 0, N = E->getNumExpressions(); I != N; ++I) 492 Writer.AddStmt(E->getIndexExpr(I)); 493 Code = serialization::EXPR_OFFSETOF; 494} 495 496void ASTStmtWriter::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E) { 497 VisitExpr(E); 498 Record.push_back(E->isSizeOf()); 499 if (E->isArgumentType()) 500 Writer.AddTypeSourceInfo(E->getArgumentTypeInfo(), Record); 501 else { 502 Record.push_back(0); 503 Writer.AddStmt(E->getArgumentExpr()); 504 } 505 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 506 Writer.AddSourceLocation(E->getRParenLoc(), Record); 507 Code = serialization::EXPR_SIZEOF_ALIGN_OF; 508} 509 510void ASTStmtWriter::VisitArraySubscriptExpr(ArraySubscriptExpr *E) { 511 VisitExpr(E); 512 Writer.AddStmt(E->getLHS()); 513 Writer.AddStmt(E->getRHS()); 514 Writer.AddSourceLocation(E->getRBracketLoc(), Record); 515 Code = serialization::EXPR_ARRAY_SUBSCRIPT; 516} 517 518void ASTStmtWriter::VisitCallExpr(CallExpr *E) { 519 VisitExpr(E); 520 Record.push_back(E->getNumArgs()); 521 Writer.AddSourceLocation(E->getRParenLoc(), Record); 522 Writer.AddStmt(E->getCallee()); 523 for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end(); 524 Arg != ArgEnd; ++Arg) 525 Writer.AddStmt(*Arg); 526 Code = serialization::EXPR_CALL; 527} 528 529void ASTStmtWriter::VisitMemberExpr(MemberExpr *E) { 530 // Don't call VisitExpr, we'll write everything here. 531 532 Record.push_back(E->hasQualifier()); 533 if (E->hasQualifier()) { 534 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 535 Writer.AddSourceRange(E->getQualifierRange(), Record); 536 } 537 538 unsigned NumTemplateArgs = E->getNumTemplateArgs(); 539 assert((NumTemplateArgs != 0) == E->hasExplicitTemplateArgs() && 540 "Template args list with no args ?"); 541 Record.push_back(NumTemplateArgs); 542 if (NumTemplateArgs) { 543 Writer.AddSourceLocation(E->getLAngleLoc(), Record); 544 Writer.AddSourceLocation(E->getRAngleLoc(), Record); 545 for (unsigned i=0; i != NumTemplateArgs; ++i) 546 Writer.AddTemplateArgumentLoc(E->getTemplateArgs()[i], Record); 547 } 548 549 DeclAccessPair FoundDecl = E->getFoundDecl(); 550 Writer.AddDeclRef(FoundDecl.getDecl(), Record); 551 Record.push_back(FoundDecl.getAccess()); 552 553 Writer.AddTypeRef(E->getType(), Record); 554 Writer.AddStmt(E->getBase()); 555 Writer.AddDeclRef(E->getMemberDecl(), Record); 556 // FIXME: write DeclarationNameLoc. 557 Writer.AddSourceLocation(E->getMemberLoc(), Record); 558 Record.push_back(E->isArrow()); 559 Code = serialization::EXPR_MEMBER; 560} 561 562void ASTStmtWriter::VisitObjCIsaExpr(ObjCIsaExpr *E) { 563 VisitExpr(E); 564 Writer.AddStmt(E->getBase()); 565 Writer.AddSourceLocation(E->getIsaMemberLoc(), Record); 566 Record.push_back(E->isArrow()); 567 Code = serialization::EXPR_OBJC_ISA; 568} 569 570void ASTStmtWriter::VisitCastExpr(CastExpr *E) { 571 VisitExpr(E); 572 Record.push_back(E->path_size()); 573 Writer.AddStmt(E->getSubExpr()); 574 Record.push_back(E->getCastKind()); // FIXME: stable encoding 575 576 for (CastExpr::path_iterator 577 PI = E->path_begin(), PE = E->path_end(); PI != PE; ++PI) 578 Writer.AddCXXBaseSpecifier(**PI, Record); 579} 580 581void ASTStmtWriter::VisitBinaryOperator(BinaryOperator *E) { 582 VisitExpr(E); 583 Writer.AddStmt(E->getLHS()); 584 Writer.AddStmt(E->getRHS()); 585 Record.push_back(E->getOpcode()); // FIXME: stable encoding 586 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 587 Code = serialization::EXPR_BINARY_OPERATOR; 588} 589 590void ASTStmtWriter::VisitCompoundAssignOperator(CompoundAssignOperator *E) { 591 VisitBinaryOperator(E); 592 Writer.AddTypeRef(E->getComputationLHSType(), Record); 593 Writer.AddTypeRef(E->getComputationResultType(), Record); 594 Code = serialization::EXPR_COMPOUND_ASSIGN_OPERATOR; 595} 596 597void ASTStmtWriter::VisitConditionalOperator(ConditionalOperator *E) { 598 VisitExpr(E); 599 Writer.AddStmt(E->getCond()); 600 Writer.AddStmt(E->getLHS()); 601 Writer.AddStmt(E->getRHS()); 602 Writer.AddStmt(E->getSAVE()); 603 Writer.AddSourceLocation(E->getQuestionLoc(), Record); 604 Writer.AddSourceLocation(E->getColonLoc(), Record); 605 Code = serialization::EXPR_CONDITIONAL_OPERATOR; 606} 607 608void ASTStmtWriter::VisitImplicitCastExpr(ImplicitCastExpr *E) { 609 VisitCastExpr(E); 610 Record.push_back(E->getValueKind()); 611 Code = serialization::EXPR_IMPLICIT_CAST; 612} 613 614void ASTStmtWriter::VisitExplicitCastExpr(ExplicitCastExpr *E) { 615 VisitCastExpr(E); 616 Writer.AddTypeSourceInfo(E->getTypeInfoAsWritten(), Record); 617} 618 619void ASTStmtWriter::VisitCStyleCastExpr(CStyleCastExpr *E) { 620 VisitExplicitCastExpr(E); 621 Writer.AddSourceLocation(E->getLParenLoc(), Record); 622 Writer.AddSourceLocation(E->getRParenLoc(), Record); 623 Code = serialization::EXPR_CSTYLE_CAST; 624} 625 626void ASTStmtWriter::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) { 627 VisitExpr(E); 628 Writer.AddSourceLocation(E->getLParenLoc(), Record); 629 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 630 Writer.AddStmt(E->getInitializer()); 631 Record.push_back(E->isFileScope()); 632 Code = serialization::EXPR_COMPOUND_LITERAL; 633} 634 635void ASTStmtWriter::VisitExtVectorElementExpr(ExtVectorElementExpr *E) { 636 VisitExpr(E); 637 Writer.AddStmt(E->getBase()); 638 Writer.AddIdentifierRef(&E->getAccessor(), Record); 639 Writer.AddSourceLocation(E->getAccessorLoc(), Record); 640 Code = serialization::EXPR_EXT_VECTOR_ELEMENT; 641} 642 643void ASTStmtWriter::VisitInitListExpr(InitListExpr *E) { 644 VisitExpr(E); 645 Record.push_back(E->getNumInits()); 646 for (unsigned I = 0, N = E->getNumInits(); I != N; ++I) 647 Writer.AddStmt(E->getInit(I)); 648 Writer.AddStmt(E->getSyntacticForm()); 649 Writer.AddSourceLocation(E->getLBraceLoc(), Record); 650 Writer.AddSourceLocation(E->getRBraceLoc(), Record); 651 Writer.AddDeclRef(E->getInitializedFieldInUnion(), Record); 652 Record.push_back(E->hadArrayRangeDesignator()); 653 Code = serialization::EXPR_INIT_LIST; 654} 655 656void ASTStmtWriter::VisitDesignatedInitExpr(DesignatedInitExpr *E) { 657 VisitExpr(E); 658 Record.push_back(E->getNumSubExprs()); 659 for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I) 660 Writer.AddStmt(E->getSubExpr(I)); 661 Writer.AddSourceLocation(E->getEqualOrColonLoc(), Record); 662 Record.push_back(E->usesGNUSyntax()); 663 for (DesignatedInitExpr::designators_iterator D = E->designators_begin(), 664 DEnd = E->designators_end(); 665 D != DEnd; ++D) { 666 if (D->isFieldDesignator()) { 667 if (FieldDecl *Field = D->getField()) { 668 Record.push_back(serialization::DESIG_FIELD_DECL); 669 Writer.AddDeclRef(Field, Record); 670 } else { 671 Record.push_back(serialization::DESIG_FIELD_NAME); 672 Writer.AddIdentifierRef(D->getFieldName(), Record); 673 } 674 Writer.AddSourceLocation(D->getDotLoc(), Record); 675 Writer.AddSourceLocation(D->getFieldLoc(), Record); 676 } else if (D->isArrayDesignator()) { 677 Record.push_back(serialization::DESIG_ARRAY); 678 Record.push_back(D->getFirstExprIndex()); 679 Writer.AddSourceLocation(D->getLBracketLoc(), Record); 680 Writer.AddSourceLocation(D->getRBracketLoc(), Record); 681 } else { 682 assert(D->isArrayRangeDesignator() && "Unknown designator"); 683 Record.push_back(serialization::DESIG_ARRAY_RANGE); 684 Record.push_back(D->getFirstExprIndex()); 685 Writer.AddSourceLocation(D->getLBracketLoc(), Record); 686 Writer.AddSourceLocation(D->getEllipsisLoc(), Record); 687 Writer.AddSourceLocation(D->getRBracketLoc(), Record); 688 } 689 } 690 Code = serialization::EXPR_DESIGNATED_INIT; 691} 692 693void ASTStmtWriter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) { 694 VisitExpr(E); 695 Code = serialization::EXPR_IMPLICIT_VALUE_INIT; 696} 697 698void ASTStmtWriter::VisitVAArgExpr(VAArgExpr *E) { 699 VisitExpr(E); 700 Writer.AddStmt(E->getSubExpr()); 701 Writer.AddTypeSourceInfo(E->getWrittenTypeInfo(), Record); 702 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 703 Writer.AddSourceLocation(E->getRParenLoc(), Record); 704 Code = serialization::EXPR_VA_ARG; 705} 706 707void ASTStmtWriter::VisitAddrLabelExpr(AddrLabelExpr *E) { 708 VisitExpr(E); 709 Writer.AddSourceLocation(E->getAmpAmpLoc(), Record); 710 Writer.AddSourceLocation(E->getLabelLoc(), Record); 711 Record.push_back(Writer.GetLabelID(E->getLabel())); 712 Code = serialization::EXPR_ADDR_LABEL; 713} 714 715void ASTStmtWriter::VisitStmtExpr(StmtExpr *E) { 716 VisitExpr(E); 717 Writer.AddStmt(E->getSubStmt()); 718 Writer.AddSourceLocation(E->getLParenLoc(), Record); 719 Writer.AddSourceLocation(E->getRParenLoc(), Record); 720 Code = serialization::EXPR_STMT; 721} 722 723void ASTStmtWriter::VisitTypesCompatibleExpr(TypesCompatibleExpr *E) { 724 VisitExpr(E); 725 Writer.AddTypeSourceInfo(E->getArgTInfo1(), Record); 726 Writer.AddTypeSourceInfo(E->getArgTInfo2(), Record); 727 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 728 Writer.AddSourceLocation(E->getRParenLoc(), Record); 729 Code = serialization::EXPR_TYPES_COMPATIBLE; 730} 731 732void ASTStmtWriter::VisitChooseExpr(ChooseExpr *E) { 733 VisitExpr(E); 734 Writer.AddStmt(E->getCond()); 735 Writer.AddStmt(E->getLHS()); 736 Writer.AddStmt(E->getRHS()); 737 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 738 Writer.AddSourceLocation(E->getRParenLoc(), Record); 739 Code = serialization::EXPR_CHOOSE; 740} 741 742void ASTStmtWriter::VisitGNUNullExpr(GNUNullExpr *E) { 743 VisitExpr(E); 744 Writer.AddSourceLocation(E->getTokenLocation(), Record); 745 Code = serialization::EXPR_GNU_NULL; 746} 747 748void ASTStmtWriter::VisitShuffleVectorExpr(ShuffleVectorExpr *E) { 749 VisitExpr(E); 750 Record.push_back(E->getNumSubExprs()); 751 for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I) 752 Writer.AddStmt(E->getExpr(I)); 753 Writer.AddSourceLocation(E->getBuiltinLoc(), Record); 754 Writer.AddSourceLocation(E->getRParenLoc(), Record); 755 Code = serialization::EXPR_SHUFFLE_VECTOR; 756} 757 758void ASTStmtWriter::VisitBlockExpr(BlockExpr *E) { 759 VisitExpr(E); 760 Writer.AddDeclRef(E->getBlockDecl(), Record); 761 Record.push_back(E->hasBlockDeclRefExprs()); 762 Code = serialization::EXPR_BLOCK; 763} 764 765void ASTStmtWriter::VisitBlockDeclRefExpr(BlockDeclRefExpr *E) { 766 VisitExpr(E); 767 Writer.AddDeclRef(E->getDecl(), Record); 768 Writer.AddSourceLocation(E->getLocation(), Record); 769 Record.push_back(E->isByRef()); 770 Record.push_back(E->isConstQualAdded()); 771 Writer.AddStmt(E->getCopyConstructorExpr()); 772 Code = serialization::EXPR_BLOCK_DECL_REF; 773} 774 775//===----------------------------------------------------------------------===// 776// Objective-C Expressions and Statements. 777//===----------------------------------------------------------------------===// 778 779void ASTStmtWriter::VisitObjCStringLiteral(ObjCStringLiteral *E) { 780 VisitExpr(E); 781 Writer.AddStmt(E->getString()); 782 Writer.AddSourceLocation(E->getAtLoc(), Record); 783 Code = serialization::EXPR_OBJC_STRING_LITERAL; 784} 785 786void ASTStmtWriter::VisitObjCEncodeExpr(ObjCEncodeExpr *E) { 787 VisitExpr(E); 788 Writer.AddTypeSourceInfo(E->getEncodedTypeSourceInfo(), Record); 789 Writer.AddSourceLocation(E->getAtLoc(), Record); 790 Writer.AddSourceLocation(E->getRParenLoc(), Record); 791 Code = serialization::EXPR_OBJC_ENCODE; 792} 793 794void ASTStmtWriter::VisitObjCSelectorExpr(ObjCSelectorExpr *E) { 795 VisitExpr(E); 796 Writer.AddSelectorRef(E->getSelector(), Record); 797 Writer.AddSourceLocation(E->getAtLoc(), Record); 798 Writer.AddSourceLocation(E->getRParenLoc(), Record); 799 Code = serialization::EXPR_OBJC_SELECTOR_EXPR; 800} 801 802void ASTStmtWriter::VisitObjCProtocolExpr(ObjCProtocolExpr *E) { 803 VisitExpr(E); 804 Writer.AddDeclRef(E->getProtocol(), Record); 805 Writer.AddSourceLocation(E->getAtLoc(), Record); 806 Writer.AddSourceLocation(E->getRParenLoc(), Record); 807 Code = serialization::EXPR_OBJC_PROTOCOL_EXPR; 808} 809 810void ASTStmtWriter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) { 811 VisitExpr(E); 812 Writer.AddDeclRef(E->getDecl(), Record); 813 Writer.AddSourceLocation(E->getLocation(), Record); 814 Writer.AddStmt(E->getBase()); 815 Record.push_back(E->isArrow()); 816 Record.push_back(E->isFreeIvar()); 817 Code = serialization::EXPR_OBJC_IVAR_REF_EXPR; 818} 819 820void ASTStmtWriter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E) { 821 VisitExpr(E); 822 Writer.AddDeclRef(E->getProperty(), Record); 823 Writer.AddSourceLocation(E->getLocation(), Record); 824 Writer.AddStmt(E->getBase()); 825 Code = serialization::EXPR_OBJC_PROPERTY_REF_EXPR; 826} 827 828void ASTStmtWriter::VisitObjCImplicitSetterGetterRefExpr( 829 ObjCImplicitSetterGetterRefExpr *E) { 830 VisitExpr(E); 831 Writer.AddDeclRef(E->getGetterMethod(), Record); 832 Writer.AddDeclRef(E->getSetterMethod(), Record); 833 834 // NOTE: InterfaceDecl and Base are mutually exclusive. 835 Writer.AddDeclRef(E->getInterfaceDecl(), Record); 836 Writer.AddStmt(E->getBase()); 837 Writer.AddSourceLocation(E->getLocation(), Record); 838 Writer.AddSourceLocation(E->getClassLoc(), Record); 839 Code = serialization::EXPR_OBJC_KVC_REF_EXPR; 840} 841 842void ASTStmtWriter::VisitObjCMessageExpr(ObjCMessageExpr *E) { 843 VisitExpr(E); 844 Record.push_back(E->getNumArgs()); 845 Record.push_back((unsigned)E->getReceiverKind()); // FIXME: stable encoding 846 switch (E->getReceiverKind()) { 847 case ObjCMessageExpr::Instance: 848 Writer.AddStmt(E->getInstanceReceiver()); 849 break; 850 851 case ObjCMessageExpr::Class: 852 Writer.AddTypeSourceInfo(E->getClassReceiverTypeInfo(), Record); 853 break; 854 855 case ObjCMessageExpr::SuperClass: 856 case ObjCMessageExpr::SuperInstance: 857 Writer.AddTypeRef(E->getSuperType(), Record); 858 Writer.AddSourceLocation(E->getSuperLoc(), Record); 859 break; 860 } 861 862 if (E->getMethodDecl()) { 863 Record.push_back(1); 864 Writer.AddDeclRef(E->getMethodDecl(), Record); 865 } else { 866 Record.push_back(0); 867 Writer.AddSelectorRef(E->getSelector(), Record); 868 } 869 870 Writer.AddSourceLocation(E->getLeftLoc(), Record); 871 Writer.AddSourceLocation(E->getRightLoc(), Record); 872 873 for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end(); 874 Arg != ArgEnd; ++Arg) 875 Writer.AddStmt(*Arg); 876 Code = serialization::EXPR_OBJC_MESSAGE_EXPR; 877} 878 879void ASTStmtWriter::VisitObjCSuperExpr(ObjCSuperExpr *E) { 880 VisitExpr(E); 881 Writer.AddSourceLocation(E->getLoc(), Record); 882 Code = serialization::EXPR_OBJC_SUPER_EXPR; 883} 884 885void ASTStmtWriter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) { 886 VisitStmt(S); 887 Writer.AddStmt(S->getElement()); 888 Writer.AddStmt(S->getCollection()); 889 Writer.AddStmt(S->getBody()); 890 Writer.AddSourceLocation(S->getForLoc(), Record); 891 Writer.AddSourceLocation(S->getRParenLoc(), Record); 892 Code = serialization::STMT_OBJC_FOR_COLLECTION; 893} 894 895void ASTStmtWriter::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) { 896 Writer.AddStmt(S->getCatchBody()); 897 Writer.AddDeclRef(S->getCatchParamDecl(), Record); 898 Writer.AddSourceLocation(S->getAtCatchLoc(), Record); 899 Writer.AddSourceLocation(S->getRParenLoc(), Record); 900 Code = serialization::STMT_OBJC_CATCH; 901} 902 903void ASTStmtWriter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) { 904 Writer.AddStmt(S->getFinallyBody()); 905 Writer.AddSourceLocation(S->getAtFinallyLoc(), Record); 906 Code = serialization::STMT_OBJC_FINALLY; 907} 908 909void ASTStmtWriter::VisitObjCAtTryStmt(ObjCAtTryStmt *S) { 910 Record.push_back(S->getNumCatchStmts()); 911 Record.push_back(S->getFinallyStmt() != 0); 912 Writer.AddStmt(S->getTryBody()); 913 for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I) 914 Writer.AddStmt(S->getCatchStmt(I)); 915 if (S->getFinallyStmt()) 916 Writer.AddStmt(S->getFinallyStmt()); 917 Writer.AddSourceLocation(S->getAtTryLoc(), Record); 918 Code = serialization::STMT_OBJC_AT_TRY; 919} 920 921void ASTStmtWriter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) { 922 Writer.AddStmt(S->getSynchExpr()); 923 Writer.AddStmt(S->getSynchBody()); 924 Writer.AddSourceLocation(S->getAtSynchronizedLoc(), Record); 925 Code = serialization::STMT_OBJC_AT_SYNCHRONIZED; 926} 927 928void ASTStmtWriter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) { 929 Writer.AddStmt(S->getThrowExpr()); 930 Writer.AddSourceLocation(S->getThrowLoc(), Record); 931 Code = serialization::STMT_OBJC_AT_THROW; 932} 933 934//===----------------------------------------------------------------------===// 935// C++ Expressions and Statements. 936//===----------------------------------------------------------------------===// 937 938void ASTStmtWriter::VisitCXXCatchStmt(CXXCatchStmt *S) { 939 VisitStmt(S); 940 Writer.AddSourceLocation(S->getCatchLoc(), Record); 941 Writer.AddDeclRef(S->getExceptionDecl(), Record); 942 Writer.AddStmt(S->getHandlerBlock()); 943 Code = serialization::STMT_CXX_CATCH; 944} 945 946void ASTStmtWriter::VisitCXXTryStmt(CXXTryStmt *S) { 947 VisitStmt(S); 948 Record.push_back(S->getNumHandlers()); 949 Writer.AddSourceLocation(S->getTryLoc(), Record); 950 Writer.AddStmt(S->getTryBlock()); 951 for (unsigned i = 0, e = S->getNumHandlers(); i != e; ++i) 952 Writer.AddStmt(S->getHandler(i)); 953 Code = serialization::STMT_CXX_TRY; 954} 955 956void ASTStmtWriter::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E) { 957 VisitCallExpr(E); 958 Record.push_back(E->getOperator()); 959 Code = serialization::EXPR_CXX_OPERATOR_CALL; 960} 961 962void ASTStmtWriter::VisitCXXMemberCallExpr(CXXMemberCallExpr *E) { 963 VisitCallExpr(E); 964 Code = serialization::EXPR_CXX_MEMBER_CALL; 965} 966 967void ASTStmtWriter::VisitCXXConstructExpr(CXXConstructExpr *E) { 968 VisitExpr(E); 969 Record.push_back(E->getNumArgs()); 970 for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I) 971 Writer.AddStmt(E->getArg(I)); 972 Writer.AddDeclRef(E->getConstructor(), Record); 973 Writer.AddSourceLocation(E->getLocation(), Record); 974 Record.push_back(E->isElidable()); 975 Record.push_back(E->requiresZeroInitialization()); 976 Record.push_back(E->getConstructionKind()); // FIXME: stable encoding 977 Code = serialization::EXPR_CXX_CONSTRUCT; 978} 979 980void ASTStmtWriter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) { 981 VisitCXXConstructExpr(E); 982 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 983 Writer.AddSourceLocation(E->getRParenLoc(), Record); 984 Code = serialization::EXPR_CXX_TEMPORARY_OBJECT; 985} 986 987void ASTStmtWriter::VisitCXXNamedCastExpr(CXXNamedCastExpr *E) { 988 VisitExplicitCastExpr(E); 989 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 990} 991 992void ASTStmtWriter::VisitCXXStaticCastExpr(CXXStaticCastExpr *E) { 993 VisitCXXNamedCastExpr(E); 994 Code = serialization::EXPR_CXX_STATIC_CAST; 995} 996 997void ASTStmtWriter::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E) { 998 VisitCXXNamedCastExpr(E); 999 Code = serialization::EXPR_CXX_DYNAMIC_CAST; 1000} 1001 1002void ASTStmtWriter::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E) { 1003 VisitCXXNamedCastExpr(E); 1004 Code = serialization::EXPR_CXX_REINTERPRET_CAST; 1005} 1006 1007void ASTStmtWriter::VisitCXXConstCastExpr(CXXConstCastExpr *E) { 1008 VisitCXXNamedCastExpr(E); 1009 Code = serialization::EXPR_CXX_CONST_CAST; 1010} 1011 1012void ASTStmtWriter::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E) { 1013 VisitExplicitCastExpr(E); 1014 Writer.AddSourceLocation(E->getTypeBeginLoc(), Record); 1015 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1016 Code = serialization::EXPR_CXX_FUNCTIONAL_CAST; 1017} 1018 1019void ASTStmtWriter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) { 1020 VisitExpr(E); 1021 Record.push_back(E->getValue()); 1022 Writer.AddSourceLocation(E->getLocation(), Record); 1023 Code = serialization::EXPR_CXX_BOOL_LITERAL; 1024} 1025 1026void ASTStmtWriter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) { 1027 VisitExpr(E); 1028 Writer.AddSourceLocation(E->getLocation(), Record); 1029 Code = serialization::EXPR_CXX_NULL_PTR_LITERAL; 1030} 1031 1032void ASTStmtWriter::VisitCXXTypeidExpr(CXXTypeidExpr *E) { 1033 VisitExpr(E); 1034 Writer.AddSourceRange(E->getSourceRange(), Record); 1035 if (E->isTypeOperand()) { 1036 Writer.AddTypeSourceInfo(E->getTypeOperandSourceInfo(), Record); 1037 Code = serialization::EXPR_CXX_TYPEID_TYPE; 1038 } else { 1039 Writer.AddStmt(E->getExprOperand()); 1040 Code = serialization::EXPR_CXX_TYPEID_EXPR; 1041 } 1042} 1043 1044void ASTStmtWriter::VisitCXXUuidofExpr(CXXUuidofExpr *E) { 1045 VisitExpr(E); 1046 Writer.AddSourceRange(E->getSourceRange(), Record); 1047 if (E->isTypeOperand()) { 1048 Writer.AddTypeSourceInfo(E->getTypeOperandSourceInfo(), Record); 1049 Code = serialization::EXPR_CXX_UUIDOF_TYPE; 1050 } else { 1051 Writer.AddStmt(E->getExprOperand()); 1052 Code = serialization::EXPR_CXX_UUIDOF_EXPR; 1053 } 1054} 1055 1056void ASTStmtWriter::VisitCXXThisExpr(CXXThisExpr *E) { 1057 VisitExpr(E); 1058 Writer.AddSourceLocation(E->getLocation(), Record); 1059 Record.push_back(E->isImplicit()); 1060 Code = serialization::EXPR_CXX_THIS; 1061} 1062 1063void ASTStmtWriter::VisitCXXThrowExpr(CXXThrowExpr *E) { 1064 VisitExpr(E); 1065 Writer.AddSourceLocation(E->getThrowLoc(), Record); 1066 Writer.AddStmt(E->getSubExpr()); 1067 Code = serialization::EXPR_CXX_THROW; 1068} 1069 1070void ASTStmtWriter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) { 1071 VisitExpr(E); 1072 1073 bool HasOtherExprStored = E->Param.getInt(); 1074 // Store these first, the reader reads them before creation. 1075 Record.push_back(HasOtherExprStored); 1076 if (HasOtherExprStored) 1077 Writer.AddStmt(E->getExpr()); 1078 Writer.AddDeclRef(E->getParam(), Record); 1079 Writer.AddSourceLocation(E->getUsedLocation(), Record); 1080 1081 Code = serialization::EXPR_CXX_DEFAULT_ARG; 1082} 1083 1084void ASTStmtWriter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) { 1085 VisitExpr(E); 1086 Writer.AddCXXTemporary(E->getTemporary(), Record); 1087 Writer.AddStmt(E->getSubExpr()); 1088 Code = serialization::EXPR_CXX_BIND_TEMPORARY; 1089} 1090 1091void ASTStmtWriter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) { 1092 VisitExpr(E); 1093 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 1094 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1095 Code = serialization::EXPR_CXX_SCALAR_VALUE_INIT; 1096} 1097 1098void ASTStmtWriter::VisitCXXNewExpr(CXXNewExpr *E) { 1099 VisitExpr(E); 1100 Record.push_back(E->isGlobalNew()); 1101 Record.push_back(E->hasInitializer()); 1102 Record.push_back(E->isArray()); 1103 Record.push_back(E->getNumPlacementArgs()); 1104 Record.push_back(E->getNumConstructorArgs()); 1105 Writer.AddDeclRef(E->getOperatorNew(), Record); 1106 Writer.AddDeclRef(E->getOperatorDelete(), Record); 1107 Writer.AddDeclRef(E->getConstructor(), Record); 1108 Writer.AddTypeSourceInfo(E->getAllocatedTypeSourceInfo(), Record); 1109 Writer.AddSourceRange(E->getTypeIdParens(), Record); 1110 Writer.AddSourceLocation(E->getStartLoc(), Record); 1111 Writer.AddSourceLocation(E->getEndLoc(), Record); 1112 for (CXXNewExpr::arg_iterator I = E->raw_arg_begin(), e = E->raw_arg_end(); 1113 I != e; ++I) 1114 Writer.AddStmt(*I); 1115 1116 Code = serialization::EXPR_CXX_NEW; 1117} 1118 1119void ASTStmtWriter::VisitCXXDeleteExpr(CXXDeleteExpr *E) { 1120 VisitExpr(E); 1121 Record.push_back(E->isGlobalDelete()); 1122 Record.push_back(E->isArrayForm()); 1123 Writer.AddDeclRef(E->getOperatorDelete(), Record); 1124 Writer.AddStmt(E->getArgument()); 1125 Writer.AddSourceLocation(E->getSourceRange().getBegin(), Record); 1126 1127 Code = serialization::EXPR_CXX_DELETE; 1128} 1129 1130void ASTStmtWriter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) { 1131 VisitExpr(E); 1132 1133 Writer.AddStmt(E->getBase()); 1134 Record.push_back(E->isArrow()); 1135 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1136 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 1137 Writer.AddSourceRange(E->getQualifierRange(), Record); 1138 Writer.AddTypeSourceInfo(E->getScopeTypeInfo(), Record); 1139 Writer.AddSourceLocation(E->getColonColonLoc(), Record); 1140 Writer.AddSourceLocation(E->getTildeLoc(), Record); 1141 1142 // PseudoDestructorTypeStorage. 1143 Writer.AddIdentifierRef(E->getDestroyedTypeIdentifier(), Record); 1144 if (E->getDestroyedTypeIdentifier()) 1145 Writer.AddSourceLocation(E->getDestroyedTypeLoc(), Record); 1146 else 1147 Writer.AddTypeSourceInfo(E->getDestroyedTypeInfo(), Record); 1148 1149 Code = serialization::EXPR_CXX_PSEUDO_DESTRUCTOR; 1150} 1151 1152void ASTStmtWriter::VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E) { 1153 VisitExpr(E); 1154 Record.push_back(E->getNumTemporaries()); 1155 for (unsigned i = 0, e = E->getNumTemporaries(); i != e; ++i) 1156 Writer.AddCXXTemporary(E->getTemporary(i), Record); 1157 1158 Writer.AddStmt(E->getSubExpr()); 1159 Code = serialization::EXPR_CXX_EXPR_WITH_TEMPORARIES; 1160} 1161 1162void 1163ASTStmtWriter::VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E){ 1164 VisitExpr(E); 1165 1166 // Don't emit anything here, NumTemplateArgs must be emitted first. 1167 1168 if (E->hasExplicitTemplateArgs()) { 1169 const ExplicitTemplateArgumentList &Args = E->getExplicitTemplateArgs(); 1170 assert(Args.NumTemplateArgs && 1171 "Num of template args was zero! AST reading will mess up!"); 1172 Record.push_back(Args.NumTemplateArgs); 1173 AddExplicitTemplateArgumentList(Args); 1174 } else { 1175 Record.push_back(0); 1176 } 1177 1178 if (!E->isImplicitAccess()) 1179 Writer.AddStmt(E->getBase()); 1180 else 1181 Writer.AddStmt(0); 1182 Writer.AddTypeRef(E->getBaseType(), Record); 1183 Record.push_back(E->isArrow()); 1184 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1185 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 1186 Writer.AddSourceRange(E->getQualifierRange(), Record); 1187 Writer.AddDeclRef(E->getFirstQualifierFoundInScope(), Record); 1188 // FIXME: write whole DeclarationNameInfo. 1189 Writer.AddDeclarationName(E->getMember(), Record); 1190 Writer.AddSourceLocation(E->getMemberLoc(), Record); 1191 Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_MEMBER; 1192} 1193 1194void 1195ASTStmtWriter::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) { 1196 VisitExpr(E); 1197 1198 // Don't emit anything here, NumTemplateArgs must be emitted first. 1199 1200 if (E->hasExplicitTemplateArgs()) { 1201 const ExplicitTemplateArgumentList &Args = E->getExplicitTemplateArgs(); 1202 assert(Args.NumTemplateArgs && 1203 "Num of template args was zero! AST reading will mess up!"); 1204 Record.push_back(Args.NumTemplateArgs); 1205 AddExplicitTemplateArgumentList(Args); 1206 } else { 1207 Record.push_back(0); 1208 } 1209 1210 // FIXME: write whole DeclarationNameInfo. 1211 Writer.AddDeclarationName(E->getDeclName(), Record); 1212 Writer.AddSourceLocation(E->getLocation(), Record); 1213 Writer.AddSourceRange(E->getQualifierRange(), Record); 1214 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 1215 Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_DECL_REF; 1216} 1217 1218void 1219ASTStmtWriter::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E) { 1220 VisitExpr(E); 1221 Record.push_back(E->arg_size()); 1222 for (CXXUnresolvedConstructExpr::arg_iterator 1223 ArgI = E->arg_begin(), ArgE = E->arg_end(); ArgI != ArgE; ++ArgI) 1224 Writer.AddStmt(*ArgI); 1225 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record); 1226 Writer.AddSourceLocation(E->getLParenLoc(), Record); 1227 Writer.AddSourceLocation(E->getRParenLoc(), Record); 1228 Code = serialization::EXPR_CXX_UNRESOLVED_CONSTRUCT; 1229} 1230 1231void ASTStmtWriter::VisitOverloadExpr(OverloadExpr *E) { 1232 VisitExpr(E); 1233 1234 // Don't emit anything here, NumTemplateArgs must be emitted first. 1235 1236 if (E->hasExplicitTemplateArgs()) { 1237 const ExplicitTemplateArgumentList &Args = E->getExplicitTemplateArgs(); 1238 assert(Args.NumTemplateArgs && 1239 "Num of template args was zero! AST reading will mess up!"); 1240 Record.push_back(Args.NumTemplateArgs); 1241 AddExplicitTemplateArgumentList(Args); 1242 } else { 1243 Record.push_back(0); 1244 } 1245 1246 Record.push_back(E->getNumDecls()); 1247 for (OverloadExpr::decls_iterator 1248 OvI = E->decls_begin(), OvE = E->decls_end(); OvI != OvE; ++OvI) { 1249 Writer.AddDeclRef(OvI.getDecl(), Record); 1250 Record.push_back(OvI.getAccess()); 1251 } 1252 1253 // FIXME: write whole DeclarationNameInfo. 1254 Writer.AddDeclarationName(E->getName(), Record); 1255 Writer.AddNestedNameSpecifier(E->getQualifier(), Record); 1256 Writer.AddSourceRange(E->getQualifierRange(), Record); 1257 Writer.AddSourceLocation(E->getNameLoc(), Record); 1258} 1259 1260void ASTStmtWriter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) { 1261 VisitOverloadExpr(E); 1262 Record.push_back(E->isArrow()); 1263 Record.push_back(E->hasUnresolvedUsing()); 1264 Writer.AddStmt(!E->isImplicitAccess() ? E->getBase() : 0); 1265 Writer.AddTypeRef(E->getBaseType(), Record); 1266 Writer.AddSourceLocation(E->getOperatorLoc(), Record); 1267 Code = serialization::EXPR_CXX_UNRESOLVED_MEMBER; 1268} 1269 1270void ASTStmtWriter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) { 1271 VisitOverloadExpr(E); 1272 Record.push_back(E->requiresADL()); 1273 Record.push_back(E->isOverloaded()); 1274 Writer.AddDeclRef(E->getNamingClass(), Record); 1275 Code = serialization::EXPR_CXX_UNRESOLVED_LOOKUP; 1276} 1277 1278void ASTStmtWriter::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) { 1279 VisitExpr(E); 1280 Record.push_back(E->getTrait()); 1281 Writer.AddSourceRange(E->getSourceRange(), Record); 1282 Writer.AddTypeSourceInfo(E->getQueriedTypeSourceInfo(), Record); 1283 Code = serialization::EXPR_CXX_UNARY_TYPE_TRAIT; 1284} 1285 1286//===----------------------------------------------------------------------===// 1287// ASTWriter Implementation 1288//===----------------------------------------------------------------------===// 1289 1290unsigned ASTWriter::RecordSwitchCaseID(SwitchCase *S) { 1291 assert(SwitchCaseIDs.find(S) == SwitchCaseIDs.end() && 1292 "SwitchCase recorded twice"); 1293 unsigned NextID = SwitchCaseIDs.size(); 1294 SwitchCaseIDs[S] = NextID; 1295 return NextID; 1296} 1297 1298unsigned ASTWriter::getSwitchCaseID(SwitchCase *S) { 1299 assert(SwitchCaseIDs.find(S) != SwitchCaseIDs.end() && 1300 "SwitchCase hasn't been seen yet"); 1301 return SwitchCaseIDs[S]; 1302} 1303 1304/// \brief Retrieve the ID for the given label statement, which may 1305/// or may not have been emitted yet. 1306unsigned ASTWriter::GetLabelID(LabelStmt *S) { 1307 std::map<LabelStmt *, unsigned>::iterator Pos = LabelIDs.find(S); 1308 if (Pos != LabelIDs.end()) 1309 return Pos->second; 1310 1311 unsigned NextID = LabelIDs.size(); 1312 LabelIDs[S] = NextID; 1313 return NextID; 1314} 1315 1316/// \brief Write the given substatement or subexpression to the 1317/// bitstream. 1318void ASTWriter::WriteSubStmt(Stmt *S) { 1319 RecordData Record; 1320 ASTStmtWriter Writer(*this, Record); 1321 ++NumStatements; 1322 1323 if (!S) { 1324 Stream.EmitRecord(serialization::STMT_NULL_PTR, Record); 1325 return; 1326 } 1327 1328 // Redirect ASTWriter::AddStmt to collect sub stmts. 1329 llvm::SmallVector<Stmt *, 16> SubStmts; 1330 CollectedStmts = &SubStmts; 1331 1332 Writer.Code = serialization::STMT_NULL_PTR; 1333 Writer.Visit(S); 1334 1335#ifndef NDEBUG 1336 if (Writer.Code == serialization::STMT_NULL_PTR) { 1337 SourceManager &SrcMgr 1338 = DeclIDs.begin()->first->getASTContext().getSourceManager(); 1339 S->dump(SrcMgr); 1340 assert(0 && "Unhandled sub statement writing AST file"); 1341 } 1342#endif 1343 1344 // Revert ASTWriter::AddStmt. 1345 CollectedStmts = &StmtsToEmit; 1346 1347 // Write the sub stmts in reverse order, last to first. When reading them back 1348 // we will read them in correct order by "pop"ing them from the Stmts stack. 1349 // This simplifies reading and allows to store a variable number of sub stmts 1350 // without knowing it in advance. 1351 while (!SubStmts.empty()) 1352 WriteSubStmt(SubStmts.pop_back_val()); 1353 1354 Stream.EmitRecord(Writer.Code, Record); 1355} 1356 1357/// \brief Flush all of the statements that have been added to the 1358/// queue via AddStmt(). 1359void ASTWriter::FlushStmts() { 1360 RecordData Record; 1361 1362 for (unsigned I = 0, N = StmtsToEmit.size(); I != N; ++I) { 1363 WriteSubStmt(StmtsToEmit[I]); 1364 1365 assert(N == StmtsToEmit.size() && 1366 "Substatement writen via AddStmt rather than WriteSubStmt!"); 1367 1368 // Note that we are at the end of a full expression. Any 1369 // expression records that follow this one are part of a different 1370 // expression. 1371 Stream.EmitRecord(serialization::STMT_STOP, Record); 1372 } 1373 1374 StmtsToEmit.clear(); 1375} 1376