1 //===--- ASTWriterStmt.cpp - Statement and Expression Serialization -------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements serialization for Statements and Expressions.
12 //===----------------------------------------------------------------------===//
14 #include "clang/Serialization/ASTWriter.h"
15 #include "clang/AST/ASTContext.h"
16 #include "clang/AST/DeclCXX.h"
17 #include "clang/AST/DeclObjC.h"
18 #include "clang/AST/DeclTemplate.h"
19 #include "clang/AST/StmtVisitor.h"
20 #include "clang/Lex/Token.h"
21 #include "llvm/Bitcode/BitstreamWriter.h"
22 using namespace clang;
24 //===----------------------------------------------------------------------===//
25 // Statement/expression serialization
26 //===----------------------------------------------------------------------===//
29 class ASTStmtWriter : public StmtVisitor<ASTStmtWriter, void> {
31 ASTWriter::RecordData &Record;
34 serialization::StmtCode Code;
37 ASTStmtWriter(ASTWriter &Writer, ASTWriter::RecordData &Record)
38 : Writer(Writer), Record(Record) { }
40 void AddTemplateKWAndArgsInfo(const ASTTemplateKWAndArgsInfo &Args);
42 void VisitStmt(Stmt *S);
43 #define STMT(Type, Base) \
44 void Visit##Type(Type *);
45 #include "clang/AST/StmtNodes.inc"
50 AddTemplateKWAndArgsInfo(const ASTTemplateKWAndArgsInfo &Args) {
51 Writer.AddSourceLocation(Args.getTemplateKeywordLoc(), Record);
52 Writer.AddSourceLocation(Args.LAngleLoc, Record);
53 Writer.AddSourceLocation(Args.RAngleLoc, Record);
54 for (unsigned i=0; i != Args.NumTemplateArgs; ++i)
55 Writer.AddTemplateArgumentLoc(Args.getTemplateArgs()[i], Record);
58 void ASTStmtWriter::VisitStmt(Stmt *S) {
61 void ASTStmtWriter::VisitNullStmt(NullStmt *S) {
63 Writer.AddSourceLocation(S->getSemiLoc(), Record);
64 Record.push_back(S->HasLeadingEmptyMacro);
65 Code = serialization::STMT_NULL;
68 void ASTStmtWriter::VisitCompoundStmt(CompoundStmt *S) {
70 Record.push_back(S->size());
71 for (CompoundStmt::body_iterator CS = S->body_begin(), CSEnd = S->body_end();
74 Writer.AddSourceLocation(S->getLBracLoc(), Record);
75 Writer.AddSourceLocation(S->getRBracLoc(), Record);
76 Code = serialization::STMT_COMPOUND;
79 void ASTStmtWriter::VisitSwitchCase(SwitchCase *S) {
81 Record.push_back(Writer.getSwitchCaseID(S));
82 Writer.AddSourceLocation(S->getKeywordLoc(), Record);
83 Writer.AddSourceLocation(S->getColonLoc(), Record);
86 void ASTStmtWriter::VisitCaseStmt(CaseStmt *S) {
88 Writer.AddStmt(S->getLHS());
89 Writer.AddStmt(S->getRHS());
90 Writer.AddStmt(S->getSubStmt());
91 Writer.AddSourceLocation(S->getEllipsisLoc(), Record);
92 Code = serialization::STMT_CASE;
95 void ASTStmtWriter::VisitDefaultStmt(DefaultStmt *S) {
97 Writer.AddStmt(S->getSubStmt());
98 Code = serialization::STMT_DEFAULT;
101 void ASTStmtWriter::VisitLabelStmt(LabelStmt *S) {
103 Writer.AddDeclRef(S->getDecl(), Record);
104 Writer.AddStmt(S->getSubStmt());
105 Writer.AddSourceLocation(S->getIdentLoc(), Record);
106 Code = serialization::STMT_LABEL;
109 void ASTStmtWriter::VisitAttributedStmt(AttributedStmt *S) {
111 Record.push_back(S->getAttrs().size());
112 Writer.WriteAttributes(S->getAttrs(), Record);
113 Writer.AddStmt(S->getSubStmt());
114 Writer.AddSourceLocation(S->getAttrLoc(), Record);
115 Code = serialization::STMT_ATTRIBUTED;
118 void ASTStmtWriter::VisitIfStmt(IfStmt *S) {
120 Writer.AddDeclRef(S->getConditionVariable(), Record);
121 Writer.AddStmt(S->getCond());
122 Writer.AddStmt(S->getThen());
123 Writer.AddStmt(S->getElse());
124 Writer.AddSourceLocation(S->getIfLoc(), Record);
125 Writer.AddSourceLocation(S->getElseLoc(), Record);
126 Code = serialization::STMT_IF;
129 void ASTStmtWriter::VisitSwitchStmt(SwitchStmt *S) {
131 Writer.AddDeclRef(S->getConditionVariable(), Record);
132 Writer.AddStmt(S->getCond());
133 Writer.AddStmt(S->getBody());
134 Writer.AddSourceLocation(S->getSwitchLoc(), Record);
135 Record.push_back(S->isAllEnumCasesCovered());
136 for (SwitchCase *SC = S->getSwitchCaseList(); SC;
137 SC = SC->getNextSwitchCase())
138 Record.push_back(Writer.RecordSwitchCaseID(SC));
139 Code = serialization::STMT_SWITCH;
142 void ASTStmtWriter::VisitWhileStmt(WhileStmt *S) {
144 Writer.AddDeclRef(S->getConditionVariable(), Record);
145 Writer.AddStmt(S->getCond());
146 Writer.AddStmt(S->getBody());
147 Writer.AddSourceLocation(S->getWhileLoc(), Record);
148 Code = serialization::STMT_WHILE;
151 void ASTStmtWriter::VisitDoStmt(DoStmt *S) {
153 Writer.AddStmt(S->getCond());
154 Writer.AddStmt(S->getBody());
155 Writer.AddSourceLocation(S->getDoLoc(), Record);
156 Writer.AddSourceLocation(S->getWhileLoc(), Record);
157 Writer.AddSourceLocation(S->getRParenLoc(), Record);
158 Code = serialization::STMT_DO;
161 void ASTStmtWriter::VisitForStmt(ForStmt *S) {
163 Writer.AddStmt(S->getInit());
164 Writer.AddStmt(S->getCond());
165 Writer.AddDeclRef(S->getConditionVariable(), Record);
166 Writer.AddStmt(S->getInc());
167 Writer.AddStmt(S->getBody());
168 Writer.AddSourceLocation(S->getForLoc(), Record);
169 Writer.AddSourceLocation(S->getLParenLoc(), Record);
170 Writer.AddSourceLocation(S->getRParenLoc(), Record);
171 Code = serialization::STMT_FOR;
174 void ASTStmtWriter::VisitGotoStmt(GotoStmt *S) {
176 Writer.AddDeclRef(S->getLabel(), Record);
177 Writer.AddSourceLocation(S->getGotoLoc(), Record);
178 Writer.AddSourceLocation(S->getLabelLoc(), Record);
179 Code = serialization::STMT_GOTO;
182 void ASTStmtWriter::VisitIndirectGotoStmt(IndirectGotoStmt *S) {
184 Writer.AddSourceLocation(S->getGotoLoc(), Record);
185 Writer.AddSourceLocation(S->getStarLoc(), Record);
186 Writer.AddStmt(S->getTarget());
187 Code = serialization::STMT_INDIRECT_GOTO;
190 void ASTStmtWriter::VisitContinueStmt(ContinueStmt *S) {
192 Writer.AddSourceLocation(S->getContinueLoc(), Record);
193 Code = serialization::STMT_CONTINUE;
196 void ASTStmtWriter::VisitBreakStmt(BreakStmt *S) {
198 Writer.AddSourceLocation(S->getBreakLoc(), Record);
199 Code = serialization::STMT_BREAK;
202 void ASTStmtWriter::VisitReturnStmt(ReturnStmt *S) {
204 Writer.AddStmt(S->getRetValue());
205 Writer.AddSourceLocation(S->getReturnLoc(), Record);
206 Writer.AddDeclRef(S->getNRVOCandidate(), Record);
207 Code = serialization::STMT_RETURN;
210 void ASTStmtWriter::VisitDeclStmt(DeclStmt *S) {
212 Writer.AddSourceLocation(S->getStartLoc(), Record);
213 Writer.AddSourceLocation(S->getEndLoc(), Record);
214 DeclGroupRef DG = S->getDeclGroup();
215 for (DeclGroupRef::iterator D = DG.begin(), DEnd = DG.end(); D != DEnd; ++D)
216 Writer.AddDeclRef(*D, Record);
217 Code = serialization::STMT_DECL;
220 void ASTStmtWriter::VisitAsmStmt(AsmStmt *S) {
222 Record.push_back(S->getNumOutputs());
223 Record.push_back(S->getNumInputs());
224 Record.push_back(S->getNumClobbers());
225 Writer.AddSourceLocation(S->getAsmLoc(), Record);
226 Record.push_back(S->isVolatile());
227 Record.push_back(S->isSimple());
230 void ASTStmtWriter::VisitGCCAsmStmt(GCCAsmStmt *S) {
232 Writer.AddSourceLocation(S->getRParenLoc(), Record);
233 Writer.AddStmt(S->getAsmString());
236 for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) {
237 Writer.AddIdentifierRef(S->getOutputIdentifier(I), Record);
238 Writer.AddStmt(S->getOutputConstraintLiteral(I));
239 Writer.AddStmt(S->getOutputExpr(I));
243 for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) {
244 Writer.AddIdentifierRef(S->getInputIdentifier(I), Record);
245 Writer.AddStmt(S->getInputConstraintLiteral(I));
246 Writer.AddStmt(S->getInputExpr(I));
250 for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I)
251 Writer.AddStmt(S->getClobberStringLiteral(I));
253 Code = serialization::STMT_GCCASM;
256 void ASTStmtWriter::VisitMSAsmStmt(MSAsmStmt *S) {
258 Writer.AddSourceLocation(S->getLBraceLoc(), Record);
259 Writer.AddSourceLocation(S->getEndLoc(), Record);
260 Record.push_back(S->getNumAsmToks());
261 Writer.AddString(S->getAsmString(), Record);
264 for (unsigned I = 0, N = S->getNumAsmToks(); I != N; ++I) {
265 Writer.AddToken(S->getAsmToks()[I], Record);
269 for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I) {
270 Writer.AddString(S->getClobber(I), Record);
274 for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) {
275 Writer.AddStmt(S->getOutputExpr(I));
276 Writer.AddString(S->getOutputConstraint(I), Record);
280 for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) {
281 Writer.AddStmt(S->getInputExpr(I));
282 Writer.AddString(S->getInputConstraint(I), Record);
285 Code = serialization::STMT_MSASM;
288 void ASTStmtWriter::VisitCapturedStmt(CapturedStmt *S) {
291 Record.push_back(std::distance(S->capture_begin(), S->capture_end()));
293 // CapturedDecl and captured region kind
294 Writer.AddDeclRef(S->getCapturedDecl(), Record);
295 Record.push_back(S->getCapturedRegionKind());
297 Writer.AddDeclRef(S->getCapturedRecordDecl(), Record);
300 for (CapturedStmt::capture_init_iterator I = S->capture_init_begin(),
301 E = S->capture_init_end();
306 Writer.AddStmt(S->getCapturedStmt());
309 for (CapturedStmt::capture_iterator I = S->capture_begin(),
310 E = S->capture_end();
312 if (I->capturesThis())
313 Writer.AddDeclRef(0, Record);
315 Writer.AddDeclRef(I->getCapturedVar(), Record);
316 Record.push_back(I->getCaptureKind());
317 Writer.AddSourceLocation(I->getLocation(), Record);
320 Code = serialization::STMT_CAPTURED;
323 void ASTStmtWriter::VisitExpr(Expr *E) {
325 Writer.AddTypeRef(E->getType(), Record);
326 Record.push_back(E->isTypeDependent());
327 Record.push_back(E->isValueDependent());
328 Record.push_back(E->isInstantiationDependent());
329 Record.push_back(E->containsUnexpandedParameterPack());
330 Record.push_back(E->getValueKind());
331 Record.push_back(E->getObjectKind());
334 void ASTStmtWriter::VisitPredefinedExpr(PredefinedExpr *E) {
336 Writer.AddSourceLocation(E->getLocation(), Record);
337 Record.push_back(E->getIdentType()); // FIXME: stable encoding
338 Code = serialization::EXPR_PREDEFINED;
341 void ASTStmtWriter::VisitDeclRefExpr(DeclRefExpr *E) {
344 Record.push_back(E->hasQualifier());
345 Record.push_back(E->getDecl() != E->getFoundDecl());
346 Record.push_back(E->hasTemplateKWAndArgsInfo());
347 Record.push_back(E->hadMultipleCandidates());
348 Record.push_back(E->refersToEnclosingLocal());
350 if (E->hasTemplateKWAndArgsInfo()) {
351 unsigned NumTemplateArgs = E->getNumTemplateArgs();
352 Record.push_back(NumTemplateArgs);
355 DeclarationName::NameKind nk = (E->getDecl()->getDeclName().getNameKind());
357 if ((!E->hasTemplateKWAndArgsInfo()) && (!E->hasQualifier()) &&
358 (E->getDecl() == E->getFoundDecl()) &&
359 nk == DeclarationName::Identifier) {
360 AbbrevToUse = Writer.getDeclRefExprAbbrev();
363 if (E->hasQualifier())
364 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record);
366 if (E->getDecl() != E->getFoundDecl())
367 Writer.AddDeclRef(E->getFoundDecl(), Record);
369 if (E->hasTemplateKWAndArgsInfo())
370 AddTemplateKWAndArgsInfo(*E->getTemplateKWAndArgsInfo());
372 Writer.AddDeclRef(E->getDecl(), Record);
373 Writer.AddSourceLocation(E->getLocation(), Record);
374 Writer.AddDeclarationNameLoc(E->DNLoc, E->getDecl()->getDeclName(), Record);
375 Code = serialization::EXPR_DECL_REF;
378 void ASTStmtWriter::VisitIntegerLiteral(IntegerLiteral *E) {
380 Writer.AddSourceLocation(E->getLocation(), Record);
381 Writer.AddAPInt(E->getValue(), Record);
383 if (E->getValue().getBitWidth() == 32) {
384 AbbrevToUse = Writer.getIntegerLiteralAbbrev();
387 Code = serialization::EXPR_INTEGER_LITERAL;
390 void ASTStmtWriter::VisitFloatingLiteral(FloatingLiteral *E) {
392 Record.push_back(E->getRawSemantics());
393 Record.push_back(E->isExact());
394 Writer.AddAPFloat(E->getValue(), Record);
395 Writer.AddSourceLocation(E->getLocation(), Record);
396 Code = serialization::EXPR_FLOATING_LITERAL;
399 void ASTStmtWriter::VisitImaginaryLiteral(ImaginaryLiteral *E) {
401 Writer.AddStmt(E->getSubExpr());
402 Code = serialization::EXPR_IMAGINARY_LITERAL;
405 void ASTStmtWriter::VisitStringLiteral(StringLiteral *E) {
407 Record.push_back(E->getByteLength());
408 Record.push_back(E->getNumConcatenated());
409 Record.push_back(E->getKind());
410 Record.push_back(E->isPascal());
411 // FIXME: String data should be stored as a blob at the end of the
412 // StringLiteral. However, we can't do so now because we have no
413 // provision for coping with abbreviations when we're jumping around
414 // the AST file during deserialization.
415 Record.append(E->getBytes().begin(), E->getBytes().end());
416 for (unsigned I = 0, N = E->getNumConcatenated(); I != N; ++I)
417 Writer.AddSourceLocation(E->getStrTokenLoc(I), Record);
418 Code = serialization::EXPR_STRING_LITERAL;
421 void ASTStmtWriter::VisitCharacterLiteral(CharacterLiteral *E) {
423 Record.push_back(E->getValue());
424 Writer.AddSourceLocation(E->getLocation(), Record);
425 Record.push_back(E->getKind());
427 AbbrevToUse = Writer.getCharacterLiteralAbbrev();
429 Code = serialization::EXPR_CHARACTER_LITERAL;
432 void ASTStmtWriter::VisitParenExpr(ParenExpr *E) {
434 Writer.AddSourceLocation(E->getLParen(), Record);
435 Writer.AddSourceLocation(E->getRParen(), Record);
436 Writer.AddStmt(E->getSubExpr());
437 Code = serialization::EXPR_PAREN;
440 void ASTStmtWriter::VisitParenListExpr(ParenListExpr *E) {
442 Record.push_back(E->NumExprs);
443 for (unsigned i=0; i != E->NumExprs; ++i)
444 Writer.AddStmt(E->Exprs[i]);
445 Writer.AddSourceLocation(E->LParenLoc, Record);
446 Writer.AddSourceLocation(E->RParenLoc, Record);
447 Code = serialization::EXPR_PAREN_LIST;
450 void ASTStmtWriter::VisitUnaryOperator(UnaryOperator *E) {
452 Writer.AddStmt(E->getSubExpr());
453 Record.push_back(E->getOpcode()); // FIXME: stable encoding
454 Writer.AddSourceLocation(E->getOperatorLoc(), Record);
455 Code = serialization::EXPR_UNARY_OPERATOR;
458 void ASTStmtWriter::VisitOffsetOfExpr(OffsetOfExpr *E) {
460 Record.push_back(E->getNumComponents());
461 Record.push_back(E->getNumExpressions());
462 Writer.AddSourceLocation(E->getOperatorLoc(), Record);
463 Writer.AddSourceLocation(E->getRParenLoc(), Record);
464 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record);
465 for (unsigned I = 0, N = E->getNumComponents(); I != N; ++I) {
466 const OffsetOfExpr::OffsetOfNode &ON = E->getComponent(I);
467 Record.push_back(ON.getKind()); // FIXME: Stable encoding
468 Writer.AddSourceLocation(ON.getSourceRange().getBegin(), Record);
469 Writer.AddSourceLocation(ON.getSourceRange().getEnd(), Record);
470 switch (ON.getKind()) {
471 case OffsetOfExpr::OffsetOfNode::Array:
472 Record.push_back(ON.getArrayExprIndex());
475 case OffsetOfExpr::OffsetOfNode::Field:
476 Writer.AddDeclRef(ON.getField(), Record);
479 case OffsetOfExpr::OffsetOfNode::Identifier:
480 Writer.AddIdentifierRef(ON.getFieldName(), Record);
483 case OffsetOfExpr::OffsetOfNode::Base:
484 Writer.AddCXXBaseSpecifier(*ON.getBase(), Record);
488 for (unsigned I = 0, N = E->getNumExpressions(); I != N; ++I)
489 Writer.AddStmt(E->getIndexExpr(I));
490 Code = serialization::EXPR_OFFSETOF;
493 void ASTStmtWriter::VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *E) {
495 Record.push_back(E->getKind());
496 if (E->isArgumentType())
497 Writer.AddTypeSourceInfo(E->getArgumentTypeInfo(), Record);
500 Writer.AddStmt(E->getArgumentExpr());
502 Writer.AddSourceLocation(E->getOperatorLoc(), Record);
503 Writer.AddSourceLocation(E->getRParenLoc(), Record);
504 Code = serialization::EXPR_SIZEOF_ALIGN_OF;
507 void ASTStmtWriter::VisitArraySubscriptExpr(ArraySubscriptExpr *E) {
509 Writer.AddStmt(E->getLHS());
510 Writer.AddStmt(E->getRHS());
511 Writer.AddSourceLocation(E->getRBracketLoc(), Record);
512 Code = serialization::EXPR_ARRAY_SUBSCRIPT;
515 void ASTStmtWriter::VisitCallExpr(CallExpr *E) {
517 Record.push_back(E->getNumArgs());
518 Writer.AddSourceLocation(E->getRParenLoc(), Record);
519 Writer.AddStmt(E->getCallee());
520 for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end();
521 Arg != ArgEnd; ++Arg)
522 Writer.AddStmt(*Arg);
523 Code = serialization::EXPR_CALL;
526 void ASTStmtWriter::VisitMemberExpr(MemberExpr *E) {
527 // Don't call VisitExpr, we'll write everything here.
529 Record.push_back(E->hasQualifier());
530 if (E->hasQualifier())
531 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record);
533 Record.push_back(E->HasTemplateKWAndArgsInfo);
534 if (E->HasTemplateKWAndArgsInfo) {
535 Writer.AddSourceLocation(E->getTemplateKeywordLoc(), Record);
536 unsigned NumTemplateArgs = E->getNumTemplateArgs();
537 Record.push_back(NumTemplateArgs);
538 Writer.AddSourceLocation(E->getLAngleLoc(), Record);
539 Writer.AddSourceLocation(E->getRAngleLoc(), Record);
540 for (unsigned i=0; i != NumTemplateArgs; ++i)
541 Writer.AddTemplateArgumentLoc(E->getTemplateArgs()[i], Record);
544 Record.push_back(E->hadMultipleCandidates());
546 DeclAccessPair FoundDecl = E->getFoundDecl();
547 Writer.AddDeclRef(FoundDecl.getDecl(), Record);
548 Record.push_back(FoundDecl.getAccess());
550 Writer.AddTypeRef(E->getType(), Record);
551 Record.push_back(E->getValueKind());
552 Record.push_back(E->getObjectKind());
553 Writer.AddStmt(E->getBase());
554 Writer.AddDeclRef(E->getMemberDecl(), Record);
555 Writer.AddSourceLocation(E->getMemberLoc(), Record);
556 Record.push_back(E->isArrow());
557 Writer.AddDeclarationNameLoc(E->MemberDNLoc,
558 E->getMemberDecl()->getDeclName(), Record);
559 Code = serialization::EXPR_MEMBER;
562 void ASTStmtWriter::VisitObjCIsaExpr(ObjCIsaExpr *E) {
564 Writer.AddStmt(E->getBase());
565 Writer.AddSourceLocation(E->getIsaMemberLoc(), Record);
566 Writer.AddSourceLocation(E->getOpLoc(), Record);
567 Record.push_back(E->isArrow());
568 Code = serialization::EXPR_OBJC_ISA;
572 VisitObjCIndirectCopyRestoreExpr(ObjCIndirectCopyRestoreExpr *E) {
574 Writer.AddStmt(E->getSubExpr());
575 Record.push_back(E->shouldCopy());
576 Code = serialization::EXPR_OBJC_INDIRECT_COPY_RESTORE;
579 void ASTStmtWriter::VisitObjCBridgedCastExpr(ObjCBridgedCastExpr *E) {
580 VisitExplicitCastExpr(E);
581 Writer.AddSourceLocation(E->getLParenLoc(), Record);
582 Writer.AddSourceLocation(E->getBridgeKeywordLoc(), Record);
583 Record.push_back(E->getBridgeKind()); // FIXME: Stable encoding
584 Code = serialization::EXPR_OBJC_BRIDGED_CAST;
587 void ASTStmtWriter::VisitCastExpr(CastExpr *E) {
589 Record.push_back(E->path_size());
590 Writer.AddStmt(E->getSubExpr());
591 Record.push_back(E->getCastKind()); // FIXME: stable encoding
593 for (CastExpr::path_iterator
594 PI = E->path_begin(), PE = E->path_end(); PI != PE; ++PI)
595 Writer.AddCXXBaseSpecifier(**PI, Record);
598 void ASTStmtWriter::VisitBinaryOperator(BinaryOperator *E) {
600 Writer.AddStmt(E->getLHS());
601 Writer.AddStmt(E->getRHS());
602 Record.push_back(E->getOpcode()); // FIXME: stable encoding
603 Writer.AddSourceLocation(E->getOperatorLoc(), Record);
604 Record.push_back(E->isFPContractable());
605 Code = serialization::EXPR_BINARY_OPERATOR;
608 void ASTStmtWriter::VisitCompoundAssignOperator(CompoundAssignOperator *E) {
609 VisitBinaryOperator(E);
610 Writer.AddTypeRef(E->getComputationLHSType(), Record);
611 Writer.AddTypeRef(E->getComputationResultType(), Record);
612 Code = serialization::EXPR_COMPOUND_ASSIGN_OPERATOR;
615 void ASTStmtWriter::VisitConditionalOperator(ConditionalOperator *E) {
617 Writer.AddStmt(E->getCond());
618 Writer.AddStmt(E->getLHS());
619 Writer.AddStmt(E->getRHS());
620 Writer.AddSourceLocation(E->getQuestionLoc(), Record);
621 Writer.AddSourceLocation(E->getColonLoc(), Record);
622 Code = serialization::EXPR_CONDITIONAL_OPERATOR;
626 ASTStmtWriter::VisitBinaryConditionalOperator(BinaryConditionalOperator *E) {
628 Writer.AddStmt(E->getOpaqueValue());
629 Writer.AddStmt(E->getCommon());
630 Writer.AddStmt(E->getCond());
631 Writer.AddStmt(E->getTrueExpr());
632 Writer.AddStmt(E->getFalseExpr());
633 Writer.AddSourceLocation(E->getQuestionLoc(), Record);
634 Writer.AddSourceLocation(E->getColonLoc(), Record);
635 Code = serialization::EXPR_BINARY_CONDITIONAL_OPERATOR;
638 void ASTStmtWriter::VisitImplicitCastExpr(ImplicitCastExpr *E) {
640 Code = serialization::EXPR_IMPLICIT_CAST;
643 void ASTStmtWriter::VisitExplicitCastExpr(ExplicitCastExpr *E) {
645 Writer.AddTypeSourceInfo(E->getTypeInfoAsWritten(), Record);
648 void ASTStmtWriter::VisitCStyleCastExpr(CStyleCastExpr *E) {
649 VisitExplicitCastExpr(E);
650 Writer.AddSourceLocation(E->getLParenLoc(), Record);
651 Writer.AddSourceLocation(E->getRParenLoc(), Record);
652 Code = serialization::EXPR_CSTYLE_CAST;
655 void ASTStmtWriter::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) {
657 Writer.AddSourceLocation(E->getLParenLoc(), Record);
658 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record);
659 Writer.AddStmt(E->getInitializer());
660 Record.push_back(E->isFileScope());
661 Code = serialization::EXPR_COMPOUND_LITERAL;
664 void ASTStmtWriter::VisitExtVectorElementExpr(ExtVectorElementExpr *E) {
666 Writer.AddStmt(E->getBase());
667 Writer.AddIdentifierRef(&E->getAccessor(), Record);
668 Writer.AddSourceLocation(E->getAccessorLoc(), Record);
669 Code = serialization::EXPR_EXT_VECTOR_ELEMENT;
672 void ASTStmtWriter::VisitInitListExpr(InitListExpr *E) {
674 // NOTE: only add the (possibly null) syntactic form.
675 // No need to serialize the isSemanticForm flag and the semantic form.
676 Writer.AddStmt(E->getSyntacticForm());
677 Writer.AddSourceLocation(E->getLBraceLoc(), Record);
678 Writer.AddSourceLocation(E->getRBraceLoc(), Record);
679 bool isArrayFiller = E->ArrayFillerOrUnionFieldInit.is<Expr*>();
680 Record.push_back(isArrayFiller);
682 Writer.AddStmt(E->getArrayFiller());
684 Writer.AddDeclRef(E->getInitializedFieldInUnion(), Record);
685 Record.push_back(E->hadArrayRangeDesignator());
686 Record.push_back(E->initializesStdInitializerList());
687 Record.push_back(E->getNumInits());
689 // ArrayFiller may have filled "holes" due to designated initializer.
690 // Replace them by 0 to indicate that the filler goes in that place.
691 Expr *filler = E->getArrayFiller();
692 for (unsigned I = 0, N = E->getNumInits(); I != N; ++I)
693 Writer.AddStmt(E->getInit(I) != filler ? E->getInit(I) : 0);
695 for (unsigned I = 0, N = E->getNumInits(); I != N; ++I)
696 Writer.AddStmt(E->getInit(I));
698 Code = serialization::EXPR_INIT_LIST;
701 void ASTStmtWriter::VisitDesignatedInitExpr(DesignatedInitExpr *E) {
703 Record.push_back(E->getNumSubExprs());
704 for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I)
705 Writer.AddStmt(E->getSubExpr(I));
706 Writer.AddSourceLocation(E->getEqualOrColonLoc(), Record);
707 Record.push_back(E->usesGNUSyntax());
708 for (DesignatedInitExpr::designators_iterator D = E->designators_begin(),
709 DEnd = E->designators_end();
711 if (D->isFieldDesignator()) {
712 if (FieldDecl *Field = D->getField()) {
713 Record.push_back(serialization::DESIG_FIELD_DECL);
714 Writer.AddDeclRef(Field, Record);
716 Record.push_back(serialization::DESIG_FIELD_NAME);
717 Writer.AddIdentifierRef(D->getFieldName(), Record);
719 Writer.AddSourceLocation(D->getDotLoc(), Record);
720 Writer.AddSourceLocation(D->getFieldLoc(), Record);
721 } else if (D->isArrayDesignator()) {
722 Record.push_back(serialization::DESIG_ARRAY);
723 Record.push_back(D->getFirstExprIndex());
724 Writer.AddSourceLocation(D->getLBracketLoc(), Record);
725 Writer.AddSourceLocation(D->getRBracketLoc(), Record);
727 assert(D->isArrayRangeDesignator() && "Unknown designator");
728 Record.push_back(serialization::DESIG_ARRAY_RANGE);
729 Record.push_back(D->getFirstExprIndex());
730 Writer.AddSourceLocation(D->getLBracketLoc(), Record);
731 Writer.AddSourceLocation(D->getEllipsisLoc(), Record);
732 Writer.AddSourceLocation(D->getRBracketLoc(), Record);
735 Code = serialization::EXPR_DESIGNATED_INIT;
738 void ASTStmtWriter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) {
740 Code = serialization::EXPR_IMPLICIT_VALUE_INIT;
743 void ASTStmtWriter::VisitVAArgExpr(VAArgExpr *E) {
745 Writer.AddStmt(E->getSubExpr());
746 Writer.AddTypeSourceInfo(E->getWrittenTypeInfo(), Record);
747 Writer.AddSourceLocation(E->getBuiltinLoc(), Record);
748 Writer.AddSourceLocation(E->getRParenLoc(), Record);
749 Code = serialization::EXPR_VA_ARG;
752 void ASTStmtWriter::VisitAddrLabelExpr(AddrLabelExpr *E) {
754 Writer.AddSourceLocation(E->getAmpAmpLoc(), Record);
755 Writer.AddSourceLocation(E->getLabelLoc(), Record);
756 Writer.AddDeclRef(E->getLabel(), Record);
757 Code = serialization::EXPR_ADDR_LABEL;
760 void ASTStmtWriter::VisitStmtExpr(StmtExpr *E) {
762 Writer.AddStmt(E->getSubStmt());
763 Writer.AddSourceLocation(E->getLParenLoc(), Record);
764 Writer.AddSourceLocation(E->getRParenLoc(), Record);
765 Code = serialization::EXPR_STMT;
768 void ASTStmtWriter::VisitChooseExpr(ChooseExpr *E) {
770 Writer.AddStmt(E->getCond());
771 Writer.AddStmt(E->getLHS());
772 Writer.AddStmt(E->getRHS());
773 Writer.AddSourceLocation(E->getBuiltinLoc(), Record);
774 Writer.AddSourceLocation(E->getRParenLoc(), Record);
775 Code = serialization::EXPR_CHOOSE;
778 void ASTStmtWriter::VisitGNUNullExpr(GNUNullExpr *E) {
780 Writer.AddSourceLocation(E->getTokenLocation(), Record);
781 Code = serialization::EXPR_GNU_NULL;
784 void ASTStmtWriter::VisitShuffleVectorExpr(ShuffleVectorExpr *E) {
786 Record.push_back(E->getNumSubExprs());
787 for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I)
788 Writer.AddStmt(E->getExpr(I));
789 Writer.AddSourceLocation(E->getBuiltinLoc(), Record);
790 Writer.AddSourceLocation(E->getRParenLoc(), Record);
791 Code = serialization::EXPR_SHUFFLE_VECTOR;
794 void ASTStmtWriter::VisitBlockExpr(BlockExpr *E) {
796 Writer.AddDeclRef(E->getBlockDecl(), Record);
797 Code = serialization::EXPR_BLOCK;
800 void ASTStmtWriter::VisitGenericSelectionExpr(GenericSelectionExpr *E) {
802 Record.push_back(E->getNumAssocs());
804 Writer.AddStmt(E->getControllingExpr());
805 for (unsigned I = 0, N = E->getNumAssocs(); I != N; ++I) {
806 Writer.AddTypeSourceInfo(E->getAssocTypeSourceInfo(I), Record);
807 Writer.AddStmt(E->getAssocExpr(I));
809 Record.push_back(E->isResultDependent() ? -1U : E->getResultIndex());
811 Writer.AddSourceLocation(E->getGenericLoc(), Record);
812 Writer.AddSourceLocation(E->getDefaultLoc(), Record);
813 Writer.AddSourceLocation(E->getRParenLoc(), Record);
814 Code = serialization::EXPR_GENERIC_SELECTION;
817 void ASTStmtWriter::VisitPseudoObjectExpr(PseudoObjectExpr *E) {
819 Record.push_back(E->getNumSemanticExprs());
821 // Push the result index. Currently, this needs to exactly match
822 // the encoding used internally for ResultIndex.
823 unsigned result = E->getResultExprIndex();
824 result = (result == PseudoObjectExpr::NoResult ? 0 : result + 1);
825 Record.push_back(result);
827 Writer.AddStmt(E->getSyntacticForm());
828 for (PseudoObjectExpr::semantics_iterator
829 i = E->semantics_begin(), e = E->semantics_end(); i != e; ++i) {
832 Code = serialization::EXPR_PSEUDO_OBJECT;
835 void ASTStmtWriter::VisitAtomicExpr(AtomicExpr *E) {
837 Record.push_back(E->getOp());
838 for (unsigned I = 0, N = E->getNumSubExprs(); I != N; ++I)
839 Writer.AddStmt(E->getSubExprs()[I]);
840 Writer.AddSourceLocation(E->getBuiltinLoc(), Record);
841 Writer.AddSourceLocation(E->getRParenLoc(), Record);
842 Code = serialization::EXPR_ATOMIC;
845 //===----------------------------------------------------------------------===//
846 // Objective-C Expressions and Statements.
847 //===----------------------------------------------------------------------===//
849 void ASTStmtWriter::VisitObjCStringLiteral(ObjCStringLiteral *E) {
851 Writer.AddStmt(E->getString());
852 Writer.AddSourceLocation(E->getAtLoc(), Record);
853 Code = serialization::EXPR_OBJC_STRING_LITERAL;
856 void ASTStmtWriter::VisitObjCBoxedExpr(ObjCBoxedExpr *E) {
858 Writer.AddStmt(E->getSubExpr());
859 Writer.AddDeclRef(E->getBoxingMethod(), Record);
860 Writer.AddSourceRange(E->getSourceRange(), Record);
861 Code = serialization::EXPR_OBJC_BOXED_EXPRESSION;
864 void ASTStmtWriter::VisitObjCArrayLiteral(ObjCArrayLiteral *E) {
866 Record.push_back(E->getNumElements());
867 for (unsigned i = 0; i < E->getNumElements(); i++)
868 Writer.AddStmt(E->getElement(i));
869 Writer.AddDeclRef(E->getArrayWithObjectsMethod(), Record);
870 Writer.AddSourceRange(E->getSourceRange(), Record);
871 Code = serialization::EXPR_OBJC_ARRAY_LITERAL;
874 void ASTStmtWriter::VisitObjCDictionaryLiteral(ObjCDictionaryLiteral *E) {
876 Record.push_back(E->getNumElements());
877 Record.push_back(E->HasPackExpansions);
878 for (unsigned i = 0; i < E->getNumElements(); i++) {
879 ObjCDictionaryElement Element = E->getKeyValueElement(i);
880 Writer.AddStmt(Element.Key);
881 Writer.AddStmt(Element.Value);
882 if (E->HasPackExpansions) {
883 Writer.AddSourceLocation(Element.EllipsisLoc, Record);
884 unsigned NumExpansions = 0;
885 if (Element.NumExpansions)
886 NumExpansions = *Element.NumExpansions + 1;
887 Record.push_back(NumExpansions);
891 Writer.AddDeclRef(E->getDictWithObjectsMethod(), Record);
892 Writer.AddSourceRange(E->getSourceRange(), Record);
893 Code = serialization::EXPR_OBJC_DICTIONARY_LITERAL;
896 void ASTStmtWriter::VisitObjCEncodeExpr(ObjCEncodeExpr *E) {
898 Writer.AddTypeSourceInfo(E->getEncodedTypeSourceInfo(), Record);
899 Writer.AddSourceLocation(E->getAtLoc(), Record);
900 Writer.AddSourceLocation(E->getRParenLoc(), Record);
901 Code = serialization::EXPR_OBJC_ENCODE;
904 void ASTStmtWriter::VisitObjCSelectorExpr(ObjCSelectorExpr *E) {
906 Writer.AddSelectorRef(E->getSelector(), Record);
907 Writer.AddSourceLocation(E->getAtLoc(), Record);
908 Writer.AddSourceLocation(E->getRParenLoc(), Record);
909 Code = serialization::EXPR_OBJC_SELECTOR_EXPR;
912 void ASTStmtWriter::VisitObjCProtocolExpr(ObjCProtocolExpr *E) {
914 Writer.AddDeclRef(E->getProtocol(), Record);
915 Writer.AddSourceLocation(E->getAtLoc(), Record);
916 Writer.AddSourceLocation(E->ProtoLoc, Record);
917 Writer.AddSourceLocation(E->getRParenLoc(), Record);
918 Code = serialization::EXPR_OBJC_PROTOCOL_EXPR;
921 void ASTStmtWriter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) {
923 Writer.AddDeclRef(E->getDecl(), Record);
924 Writer.AddSourceLocation(E->getLocation(), Record);
925 Writer.AddSourceLocation(E->getOpLoc(), Record);
926 Writer.AddStmt(E->getBase());
927 Record.push_back(E->isArrow());
928 Record.push_back(E->isFreeIvar());
929 Code = serialization::EXPR_OBJC_IVAR_REF_EXPR;
932 void ASTStmtWriter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E) {
934 Record.push_back(E->SetterAndMethodRefFlags.getInt());
935 Record.push_back(E->isImplicitProperty());
936 if (E->isImplicitProperty()) {
937 Writer.AddDeclRef(E->getImplicitPropertyGetter(), Record);
938 Writer.AddDeclRef(E->getImplicitPropertySetter(), Record);
940 Writer.AddDeclRef(E->getExplicitProperty(), Record);
942 Writer.AddSourceLocation(E->getLocation(), Record);
943 Writer.AddSourceLocation(E->getReceiverLocation(), Record);
944 if (E->isObjectReceiver()) {
946 Writer.AddStmt(E->getBase());
947 } else if (E->isSuperReceiver()) {
949 Writer.AddTypeRef(E->getSuperReceiverType(), Record);
952 Writer.AddDeclRef(E->getClassReceiver(), Record);
955 Code = serialization::EXPR_OBJC_PROPERTY_REF_EXPR;
958 void ASTStmtWriter::VisitObjCSubscriptRefExpr(ObjCSubscriptRefExpr *E) {
960 Writer.AddSourceLocation(E->getRBracket(), Record);
961 Writer.AddStmt(E->getBaseExpr());
962 Writer.AddStmt(E->getKeyExpr());
963 Writer.AddDeclRef(E->getAtIndexMethodDecl(), Record);
964 Writer.AddDeclRef(E->setAtIndexMethodDecl(), Record);
966 Code = serialization::EXPR_OBJC_SUBSCRIPT_REF_EXPR;
969 void ASTStmtWriter::VisitObjCMessageExpr(ObjCMessageExpr *E) {
971 Record.push_back(E->getNumArgs());
972 Record.push_back(E->getNumStoredSelLocs());
973 Record.push_back(E->SelLocsKind);
974 Record.push_back(E->isDelegateInitCall());
975 Record.push_back(E->IsImplicit);
976 Record.push_back((unsigned)E->getReceiverKind()); // FIXME: stable encoding
977 switch (E->getReceiverKind()) {
978 case ObjCMessageExpr::Instance:
979 Writer.AddStmt(E->getInstanceReceiver());
982 case ObjCMessageExpr::Class:
983 Writer.AddTypeSourceInfo(E->getClassReceiverTypeInfo(), Record);
986 case ObjCMessageExpr::SuperClass:
987 case ObjCMessageExpr::SuperInstance:
988 Writer.AddTypeRef(E->getSuperType(), Record);
989 Writer.AddSourceLocation(E->getSuperLoc(), Record);
993 if (E->getMethodDecl()) {
995 Writer.AddDeclRef(E->getMethodDecl(), Record);
998 Writer.AddSelectorRef(E->getSelector(), Record);
1001 Writer.AddSourceLocation(E->getLeftLoc(), Record);
1002 Writer.AddSourceLocation(E->getRightLoc(), Record);
1004 for (CallExpr::arg_iterator Arg = E->arg_begin(), ArgEnd = E->arg_end();
1005 Arg != ArgEnd; ++Arg)
1006 Writer.AddStmt(*Arg);
1008 SourceLocation *Locs = E->getStoredSelLocs();
1009 for (unsigned i = 0, e = E->getNumStoredSelLocs(); i != e; ++i)
1010 Writer.AddSourceLocation(Locs[i], Record);
1012 Code = serialization::EXPR_OBJC_MESSAGE_EXPR;
1015 void ASTStmtWriter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) {
1017 Writer.AddStmt(S->getElement());
1018 Writer.AddStmt(S->getCollection());
1019 Writer.AddStmt(S->getBody());
1020 Writer.AddSourceLocation(S->getForLoc(), Record);
1021 Writer.AddSourceLocation(S->getRParenLoc(), Record);
1022 Code = serialization::STMT_OBJC_FOR_COLLECTION;
1025 void ASTStmtWriter::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) {
1026 Writer.AddStmt(S->getCatchBody());
1027 Writer.AddDeclRef(S->getCatchParamDecl(), Record);
1028 Writer.AddSourceLocation(S->getAtCatchLoc(), Record);
1029 Writer.AddSourceLocation(S->getRParenLoc(), Record);
1030 Code = serialization::STMT_OBJC_CATCH;
1033 void ASTStmtWriter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) {
1034 Writer.AddStmt(S->getFinallyBody());
1035 Writer.AddSourceLocation(S->getAtFinallyLoc(), Record);
1036 Code = serialization::STMT_OBJC_FINALLY;
1039 void ASTStmtWriter::VisitObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *S) {
1040 Writer.AddStmt(S->getSubStmt());
1041 Writer.AddSourceLocation(S->getAtLoc(), Record);
1042 Code = serialization::STMT_OBJC_AUTORELEASE_POOL;
1045 void ASTStmtWriter::VisitObjCAtTryStmt(ObjCAtTryStmt *S) {
1046 Record.push_back(S->getNumCatchStmts());
1047 Record.push_back(S->getFinallyStmt() != 0);
1048 Writer.AddStmt(S->getTryBody());
1049 for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I)
1050 Writer.AddStmt(S->getCatchStmt(I));
1051 if (S->getFinallyStmt())
1052 Writer.AddStmt(S->getFinallyStmt());
1053 Writer.AddSourceLocation(S->getAtTryLoc(), Record);
1054 Code = serialization::STMT_OBJC_AT_TRY;
1057 void ASTStmtWriter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) {
1058 Writer.AddStmt(S->getSynchExpr());
1059 Writer.AddStmt(S->getSynchBody());
1060 Writer.AddSourceLocation(S->getAtSynchronizedLoc(), Record);
1061 Code = serialization::STMT_OBJC_AT_SYNCHRONIZED;
1064 void ASTStmtWriter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) {
1065 Writer.AddStmt(S->getThrowExpr());
1066 Writer.AddSourceLocation(S->getThrowLoc(), Record);
1067 Code = serialization::STMT_OBJC_AT_THROW;
1070 void ASTStmtWriter::VisitObjCBoolLiteralExpr(ObjCBoolLiteralExpr *E) {
1072 Record.push_back(E->getValue());
1073 Writer.AddSourceLocation(E->getLocation(), Record);
1074 Code = serialization::EXPR_OBJC_BOOL_LITERAL;
1077 //===----------------------------------------------------------------------===//
1078 // C++ Expressions and Statements.
1079 //===----------------------------------------------------------------------===//
1081 void ASTStmtWriter::VisitCXXCatchStmt(CXXCatchStmt *S) {
1083 Writer.AddSourceLocation(S->getCatchLoc(), Record);
1084 Writer.AddDeclRef(S->getExceptionDecl(), Record);
1085 Writer.AddStmt(S->getHandlerBlock());
1086 Code = serialization::STMT_CXX_CATCH;
1089 void ASTStmtWriter::VisitCXXTryStmt(CXXTryStmt *S) {
1091 Record.push_back(S->getNumHandlers());
1092 Writer.AddSourceLocation(S->getTryLoc(), Record);
1093 Writer.AddStmt(S->getTryBlock());
1094 for (unsigned i = 0, e = S->getNumHandlers(); i != e; ++i)
1095 Writer.AddStmt(S->getHandler(i));
1096 Code = serialization::STMT_CXX_TRY;
1099 void ASTStmtWriter::VisitCXXForRangeStmt(CXXForRangeStmt *S) {
1101 Writer.AddSourceLocation(S->getForLoc(), Record);
1102 Writer.AddSourceLocation(S->getColonLoc(), Record);
1103 Writer.AddSourceLocation(S->getRParenLoc(), Record);
1104 Writer.AddStmt(S->getRangeStmt());
1105 Writer.AddStmt(S->getBeginEndStmt());
1106 Writer.AddStmt(S->getCond());
1107 Writer.AddStmt(S->getInc());
1108 Writer.AddStmt(S->getLoopVarStmt());
1109 Writer.AddStmt(S->getBody());
1110 Code = serialization::STMT_CXX_FOR_RANGE;
1113 void ASTStmtWriter::VisitMSDependentExistsStmt(MSDependentExistsStmt *S) {
1115 Writer.AddSourceLocation(S->getKeywordLoc(), Record);
1116 Record.push_back(S->isIfExists());
1117 Writer.AddNestedNameSpecifierLoc(S->getQualifierLoc(), Record);
1118 Writer.AddDeclarationNameInfo(S->getNameInfo(), Record);
1119 Writer.AddStmt(S->getSubStmt());
1120 Code = serialization::STMT_MS_DEPENDENT_EXISTS;
1123 void ASTStmtWriter::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E) {
1125 Record.push_back(E->getOperator());
1126 Writer.AddSourceRange(E->Range, Record);
1127 Record.push_back(E->isFPContractable());
1128 Code = serialization::EXPR_CXX_OPERATOR_CALL;
1131 void ASTStmtWriter::VisitCXXMemberCallExpr(CXXMemberCallExpr *E) {
1133 Code = serialization::EXPR_CXX_MEMBER_CALL;
1136 void ASTStmtWriter::VisitCXXConstructExpr(CXXConstructExpr *E) {
1138 Record.push_back(E->getNumArgs());
1139 for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
1140 Writer.AddStmt(E->getArg(I));
1141 Writer.AddDeclRef(E->getConstructor(), Record);
1142 Writer.AddSourceLocation(E->getLocation(), Record);
1143 Record.push_back(E->isElidable());
1144 Record.push_back(E->hadMultipleCandidates());
1145 Record.push_back(E->isListInitialization());
1146 Record.push_back(E->requiresZeroInitialization());
1147 Record.push_back(E->getConstructionKind()); // FIXME: stable encoding
1148 Writer.AddSourceRange(E->getParenRange(), Record);
1149 Code = serialization::EXPR_CXX_CONSTRUCT;
1152 void ASTStmtWriter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) {
1153 VisitCXXConstructExpr(E);
1154 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record);
1155 Code = serialization::EXPR_CXX_TEMPORARY_OBJECT;
1158 void ASTStmtWriter::VisitLambdaExpr(LambdaExpr *E) {
1160 Record.push_back(E->NumCaptures);
1161 unsigned NumArrayIndexVars = 0;
1162 if (E->HasArrayIndexVars)
1163 NumArrayIndexVars = E->getArrayIndexStarts()[E->NumCaptures];
1164 Record.push_back(NumArrayIndexVars);
1165 Writer.AddSourceRange(E->IntroducerRange, Record);
1166 Record.push_back(E->CaptureDefault); // FIXME: stable encoding
1167 Record.push_back(E->ExplicitParams);
1168 Record.push_back(E->ExplicitResultType);
1169 Writer.AddSourceLocation(E->ClosingBrace, Record);
1171 // Add capture initializers.
1172 for (LambdaExpr::capture_init_iterator C = E->capture_init_begin(),
1173 CEnd = E->capture_init_end();
1178 // Add array index variables, if any.
1179 if (NumArrayIndexVars) {
1180 Record.append(E->getArrayIndexStarts(),
1181 E->getArrayIndexStarts() + E->NumCaptures + 1);
1182 VarDecl **ArrayIndexVars = E->getArrayIndexVars();
1183 for (unsigned I = 0; I != NumArrayIndexVars; ++I)
1184 Writer.AddDeclRef(ArrayIndexVars[I], Record);
1187 Code = serialization::EXPR_LAMBDA;
1190 void ASTStmtWriter::VisitCXXNamedCastExpr(CXXNamedCastExpr *E) {
1191 VisitExplicitCastExpr(E);
1192 Writer.AddSourceRange(SourceRange(E->getOperatorLoc(), E->getRParenLoc()),
1194 Writer.AddSourceRange(E->getAngleBrackets(), Record);
1197 void ASTStmtWriter::VisitCXXStaticCastExpr(CXXStaticCastExpr *E) {
1198 VisitCXXNamedCastExpr(E);
1199 Code = serialization::EXPR_CXX_STATIC_CAST;
1202 void ASTStmtWriter::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E) {
1203 VisitCXXNamedCastExpr(E);
1204 Code = serialization::EXPR_CXX_DYNAMIC_CAST;
1207 void ASTStmtWriter::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E) {
1208 VisitCXXNamedCastExpr(E);
1209 Code = serialization::EXPR_CXX_REINTERPRET_CAST;
1212 void ASTStmtWriter::VisitCXXConstCastExpr(CXXConstCastExpr *E) {
1213 VisitCXXNamedCastExpr(E);
1214 Code = serialization::EXPR_CXX_CONST_CAST;
1217 void ASTStmtWriter::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E) {
1218 VisitExplicitCastExpr(E);
1219 Writer.AddSourceLocation(E->getTypeBeginLoc(), Record);
1220 Writer.AddSourceLocation(E->getRParenLoc(), Record);
1221 Code = serialization::EXPR_CXX_FUNCTIONAL_CAST;
1224 void ASTStmtWriter::VisitUserDefinedLiteral(UserDefinedLiteral *E) {
1226 Writer.AddSourceLocation(E->UDSuffixLoc, Record);
1227 Code = serialization::EXPR_USER_DEFINED_LITERAL;
1230 void ASTStmtWriter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) {
1232 Record.push_back(E->getValue());
1233 Writer.AddSourceLocation(E->getLocation(), Record);
1234 Code = serialization::EXPR_CXX_BOOL_LITERAL;
1237 void ASTStmtWriter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) {
1239 Writer.AddSourceLocation(E->getLocation(), Record);
1240 Code = serialization::EXPR_CXX_NULL_PTR_LITERAL;
1243 void ASTStmtWriter::VisitCXXTypeidExpr(CXXTypeidExpr *E) {
1245 Writer.AddSourceRange(E->getSourceRange(), Record);
1246 if (E->isTypeOperand()) {
1247 Writer.AddTypeSourceInfo(E->getTypeOperandSourceInfo(), Record);
1248 Code = serialization::EXPR_CXX_TYPEID_TYPE;
1250 Writer.AddStmt(E->getExprOperand());
1251 Code = serialization::EXPR_CXX_TYPEID_EXPR;
1255 void ASTStmtWriter::VisitCXXThisExpr(CXXThisExpr *E) {
1257 Writer.AddSourceLocation(E->getLocation(), Record);
1258 Record.push_back(E->isImplicit());
1259 Code = serialization::EXPR_CXX_THIS;
1262 void ASTStmtWriter::VisitCXXThrowExpr(CXXThrowExpr *E) {
1264 Writer.AddSourceLocation(E->getThrowLoc(), Record);
1265 Writer.AddStmt(E->getSubExpr());
1266 Record.push_back(E->isThrownVariableInScope());
1267 Code = serialization::EXPR_CXX_THROW;
1270 void ASTStmtWriter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) {
1273 bool HasOtherExprStored = E->Param.getInt();
1274 // Store these first, the reader reads them before creation.
1275 Record.push_back(HasOtherExprStored);
1276 if (HasOtherExprStored)
1277 Writer.AddStmt(E->getExpr());
1278 Writer.AddDeclRef(E->getParam(), Record);
1279 Writer.AddSourceLocation(E->getUsedLocation(), Record);
1281 Code = serialization::EXPR_CXX_DEFAULT_ARG;
1284 void ASTStmtWriter::VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E) {
1286 Writer.AddDeclRef(E->getField(), Record);
1287 Writer.AddSourceLocation(E->getExprLoc(), Record);
1288 Code = serialization::EXPR_CXX_DEFAULT_INIT;
1291 void ASTStmtWriter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) {
1293 Writer.AddCXXTemporary(E->getTemporary(), Record);
1294 Writer.AddStmt(E->getSubExpr());
1295 Code = serialization::EXPR_CXX_BIND_TEMPORARY;
1298 void ASTStmtWriter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) {
1300 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record);
1301 Writer.AddSourceLocation(E->getRParenLoc(), Record);
1302 Code = serialization::EXPR_CXX_SCALAR_VALUE_INIT;
1305 void ASTStmtWriter::VisitCXXNewExpr(CXXNewExpr *E) {
1307 Record.push_back(E->isGlobalNew());
1308 Record.push_back(E->isArray());
1309 Record.push_back(E->doesUsualArrayDeleteWantSize());
1310 Record.push_back(E->getNumPlacementArgs());
1311 Record.push_back(E->StoredInitializationStyle);
1312 Writer.AddDeclRef(E->getOperatorNew(), Record);
1313 Writer.AddDeclRef(E->getOperatorDelete(), Record);
1314 Writer.AddTypeSourceInfo(E->getAllocatedTypeSourceInfo(), Record);
1315 Writer.AddSourceRange(E->getTypeIdParens(), Record);
1316 Writer.AddSourceRange(E->getSourceRange(), Record);
1317 Writer.AddSourceRange(E->getDirectInitRange(), Record);
1318 for (CXXNewExpr::arg_iterator I = E->raw_arg_begin(), e = E->raw_arg_end();
1322 Code = serialization::EXPR_CXX_NEW;
1325 void ASTStmtWriter::VisitCXXDeleteExpr(CXXDeleteExpr *E) {
1327 Record.push_back(E->isGlobalDelete());
1328 Record.push_back(E->isArrayForm());
1329 Record.push_back(E->isArrayFormAsWritten());
1330 Record.push_back(E->doesUsualArrayDeleteWantSize());
1331 Writer.AddDeclRef(E->getOperatorDelete(), Record);
1332 Writer.AddStmt(E->getArgument());
1333 Writer.AddSourceLocation(E->getSourceRange().getBegin(), Record);
1335 Code = serialization::EXPR_CXX_DELETE;
1338 void ASTStmtWriter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) {
1341 Writer.AddStmt(E->getBase());
1342 Record.push_back(E->isArrow());
1343 Writer.AddSourceLocation(E->getOperatorLoc(), Record);
1344 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record);
1345 Writer.AddTypeSourceInfo(E->getScopeTypeInfo(), Record);
1346 Writer.AddSourceLocation(E->getColonColonLoc(), Record);
1347 Writer.AddSourceLocation(E->getTildeLoc(), Record);
1349 // PseudoDestructorTypeStorage.
1350 Writer.AddIdentifierRef(E->getDestroyedTypeIdentifier(), Record);
1351 if (E->getDestroyedTypeIdentifier())
1352 Writer.AddSourceLocation(E->getDestroyedTypeLoc(), Record);
1354 Writer.AddTypeSourceInfo(E->getDestroyedTypeInfo(), Record);
1356 Code = serialization::EXPR_CXX_PSEUDO_DESTRUCTOR;
1359 void ASTStmtWriter::VisitExprWithCleanups(ExprWithCleanups *E) {
1361 Record.push_back(E->getNumObjects());
1362 for (unsigned i = 0, e = E->getNumObjects(); i != e; ++i)
1363 Writer.AddDeclRef(E->getObject(i), Record);
1365 Writer.AddStmt(E->getSubExpr());
1366 Code = serialization::EXPR_EXPR_WITH_CLEANUPS;
1370 ASTStmtWriter::VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E){
1373 // Don't emit anything here, HasTemplateKWAndArgsInfo must be
1376 Record.push_back(E->HasTemplateKWAndArgsInfo);
1377 if (E->HasTemplateKWAndArgsInfo) {
1378 const ASTTemplateKWAndArgsInfo &Args = *E->getTemplateKWAndArgsInfo();
1379 Record.push_back(Args.NumTemplateArgs);
1380 AddTemplateKWAndArgsInfo(Args);
1383 if (!E->isImplicitAccess())
1384 Writer.AddStmt(E->getBase());
1387 Writer.AddTypeRef(E->getBaseType(), Record);
1388 Record.push_back(E->isArrow());
1389 Writer.AddSourceLocation(E->getOperatorLoc(), Record);
1390 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record);
1391 Writer.AddDeclRef(E->getFirstQualifierFoundInScope(), Record);
1392 Writer.AddDeclarationNameInfo(E->MemberNameInfo, Record);
1393 Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_MEMBER;
1397 ASTStmtWriter::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) {
1400 // Don't emit anything here, HasTemplateKWAndArgsInfo must be
1403 Record.push_back(E->HasTemplateKWAndArgsInfo);
1404 if (E->HasTemplateKWAndArgsInfo) {
1405 const ASTTemplateKWAndArgsInfo &Args = *E->getTemplateKWAndArgsInfo();
1406 Record.push_back(Args.NumTemplateArgs);
1407 AddTemplateKWAndArgsInfo(Args);
1410 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record);
1411 Writer.AddDeclarationNameInfo(E->NameInfo, Record);
1412 Code = serialization::EXPR_CXX_DEPENDENT_SCOPE_DECL_REF;
1416 ASTStmtWriter::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E) {
1418 Record.push_back(E->arg_size());
1419 for (CXXUnresolvedConstructExpr::arg_iterator
1420 ArgI = E->arg_begin(), ArgE = E->arg_end(); ArgI != ArgE; ++ArgI)
1421 Writer.AddStmt(*ArgI);
1422 Writer.AddTypeSourceInfo(E->getTypeSourceInfo(), Record);
1423 Writer.AddSourceLocation(E->getLParenLoc(), Record);
1424 Writer.AddSourceLocation(E->getRParenLoc(), Record);
1425 Code = serialization::EXPR_CXX_UNRESOLVED_CONSTRUCT;
1428 void ASTStmtWriter::VisitOverloadExpr(OverloadExpr *E) {
1431 // Don't emit anything here, HasTemplateKWAndArgsInfo must be
1434 Record.push_back(E->HasTemplateKWAndArgsInfo);
1435 if (E->HasTemplateKWAndArgsInfo) {
1436 const ASTTemplateKWAndArgsInfo &Args = *E->getTemplateKWAndArgsInfo();
1437 Record.push_back(Args.NumTemplateArgs);
1438 AddTemplateKWAndArgsInfo(Args);
1441 Record.push_back(E->getNumDecls());
1442 for (OverloadExpr::decls_iterator
1443 OvI = E->decls_begin(), OvE = E->decls_end(); OvI != OvE; ++OvI) {
1444 Writer.AddDeclRef(OvI.getDecl(), Record);
1445 Record.push_back(OvI.getAccess());
1448 Writer.AddDeclarationNameInfo(E->NameInfo, Record);
1449 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record);
1452 void ASTStmtWriter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) {
1453 VisitOverloadExpr(E);
1454 Record.push_back(E->isArrow());
1455 Record.push_back(E->hasUnresolvedUsing());
1456 Writer.AddStmt(!E->isImplicitAccess() ? E->getBase() : 0);
1457 Writer.AddTypeRef(E->getBaseType(), Record);
1458 Writer.AddSourceLocation(E->getOperatorLoc(), Record);
1459 Code = serialization::EXPR_CXX_UNRESOLVED_MEMBER;
1462 void ASTStmtWriter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) {
1463 VisitOverloadExpr(E);
1464 Record.push_back(E->requiresADL());
1465 Record.push_back(E->isOverloaded());
1466 Writer.AddDeclRef(E->getNamingClass(), Record);
1467 Code = serialization::EXPR_CXX_UNRESOLVED_LOOKUP;
1470 void ASTStmtWriter::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) {
1472 Record.push_back(E->getTrait());
1473 Record.push_back(E->getValue());
1474 Writer.AddSourceRange(E->getSourceRange(), Record);
1475 Writer.AddTypeSourceInfo(E->getQueriedTypeSourceInfo(), Record);
1476 Code = serialization::EXPR_CXX_UNARY_TYPE_TRAIT;
1479 void ASTStmtWriter::VisitBinaryTypeTraitExpr(BinaryTypeTraitExpr *E) {
1481 Record.push_back(E->getTrait());
1482 Record.push_back(E->getValue());
1483 Writer.AddSourceRange(E->getSourceRange(), Record);
1484 Writer.AddTypeSourceInfo(E->getLhsTypeSourceInfo(), Record);
1485 Writer.AddTypeSourceInfo(E->getRhsTypeSourceInfo(), Record);
1486 Code = serialization::EXPR_BINARY_TYPE_TRAIT;
1489 void ASTStmtWriter::VisitTypeTraitExpr(TypeTraitExpr *E) {
1491 Record.push_back(E->TypeTraitExprBits.NumArgs);
1492 Record.push_back(E->TypeTraitExprBits.Kind); // FIXME: Stable encoding
1493 Record.push_back(E->TypeTraitExprBits.Value);
1494 for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
1495 Writer.AddTypeSourceInfo(E->getArg(I), Record);
1496 Code = serialization::EXPR_TYPE_TRAIT;
1499 void ASTStmtWriter::VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E) {
1501 Record.push_back(E->getTrait());
1502 Record.push_back(E->getValue());
1503 Writer.AddSourceRange(E->getSourceRange(), Record);
1504 Writer.AddTypeSourceInfo(E->getQueriedTypeSourceInfo(), Record);
1505 Code = serialization::EXPR_ARRAY_TYPE_TRAIT;
1508 void ASTStmtWriter::VisitExpressionTraitExpr(ExpressionTraitExpr *E) {
1510 Record.push_back(E->getTrait());
1511 Record.push_back(E->getValue());
1512 Writer.AddSourceRange(E->getSourceRange(), Record);
1513 Writer.AddStmt(E->getQueriedExpression());
1514 Code = serialization::EXPR_CXX_EXPRESSION_TRAIT;
1517 void ASTStmtWriter::VisitCXXNoexceptExpr(CXXNoexceptExpr *E) {
1519 Record.push_back(E->getValue());
1520 Writer.AddSourceRange(E->getSourceRange(), Record);
1521 Writer.AddStmt(E->getOperand());
1522 Code = serialization::EXPR_CXX_NOEXCEPT;
1525 void ASTStmtWriter::VisitPackExpansionExpr(PackExpansionExpr *E) {
1527 Writer.AddSourceLocation(E->getEllipsisLoc(), Record);
1528 Record.push_back(E->NumExpansions);
1529 Writer.AddStmt(E->getPattern());
1530 Code = serialization::EXPR_PACK_EXPANSION;
1533 void ASTStmtWriter::VisitSizeOfPackExpr(SizeOfPackExpr *E) {
1535 Writer.AddSourceLocation(E->OperatorLoc, Record);
1536 Writer.AddSourceLocation(E->PackLoc, Record);
1537 Writer.AddSourceLocation(E->RParenLoc, Record);
1538 Record.push_back(E->Length);
1539 Writer.AddDeclRef(E->Pack, Record);
1540 Code = serialization::EXPR_SIZEOF_PACK;
1543 void ASTStmtWriter::VisitSubstNonTypeTemplateParmExpr(
1544 SubstNonTypeTemplateParmExpr *E) {
1546 Writer.AddDeclRef(E->getParameter(), Record);
1547 Writer.AddSourceLocation(E->getNameLoc(), Record);
1548 Writer.AddStmt(E->getReplacement());
1549 Code = serialization::EXPR_SUBST_NON_TYPE_TEMPLATE_PARM;
1552 void ASTStmtWriter::VisitSubstNonTypeTemplateParmPackExpr(
1553 SubstNonTypeTemplateParmPackExpr *E) {
1555 Writer.AddDeclRef(E->getParameterPack(), Record);
1556 Writer.AddTemplateArgument(E->getArgumentPack(), Record);
1557 Writer.AddSourceLocation(E->getParameterPackLocation(), Record);
1558 Code = serialization::EXPR_SUBST_NON_TYPE_TEMPLATE_PARM_PACK;
1561 void ASTStmtWriter::VisitFunctionParmPackExpr(FunctionParmPackExpr *E) {
1563 Record.push_back(E->getNumExpansions());
1564 Writer.AddDeclRef(E->getParameterPack(), Record);
1565 Writer.AddSourceLocation(E->getParameterPackLocation(), Record);
1566 for (FunctionParmPackExpr::iterator I = E->begin(), End = E->end();
1568 Writer.AddDeclRef(*I, Record);
1569 Code = serialization::EXPR_FUNCTION_PARM_PACK;
1572 void ASTStmtWriter::VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *E) {
1574 Writer.AddStmt(E->Temporary);
1575 Code = serialization::EXPR_MATERIALIZE_TEMPORARY;
1578 void ASTStmtWriter::VisitOpaqueValueExpr(OpaqueValueExpr *E) {
1580 Writer.AddStmt(E->getSourceExpr());
1581 Writer.AddSourceLocation(E->getLocation(), Record);
1582 Code = serialization::EXPR_OPAQUE_VALUE;
1585 //===----------------------------------------------------------------------===//
1586 // CUDA Expressions and Statements.
1587 //===----------------------------------------------------------------------===//
1589 void ASTStmtWriter::VisitCUDAKernelCallExpr(CUDAKernelCallExpr *E) {
1591 Writer.AddStmt(E->getConfig());
1592 Code = serialization::EXPR_CUDA_KERNEL_CALL;
1595 //===----------------------------------------------------------------------===//
1596 // OpenCL Expressions and Statements.
1597 //===----------------------------------------------------------------------===//
1598 void ASTStmtWriter::VisitAsTypeExpr(AsTypeExpr *E) {
1600 Writer.AddSourceLocation(E->getBuiltinLoc(), Record);
1601 Writer.AddSourceLocation(E->getRParenLoc(), Record);
1602 Writer.AddStmt(E->getSrcExpr());
1603 Code = serialization::EXPR_ASTYPE;
1606 //===----------------------------------------------------------------------===//
1607 // Microsoft Expressions and Statements.
1608 //===----------------------------------------------------------------------===//
1609 void ASTStmtWriter::VisitMSPropertyRefExpr(MSPropertyRefExpr *E) {
1611 Record.push_back(E->isArrow());
1612 Writer.AddStmt(E->getBaseExpr());
1613 Writer.AddNestedNameSpecifierLoc(E->getQualifierLoc(), Record);
1614 Writer.AddSourceLocation(E->getMemberLoc(), Record);
1615 Writer.AddDeclRef(E->getPropertyDecl(), Record);
1616 Code = serialization::EXPR_CXX_PROPERTY_REF_EXPR;
1619 void ASTStmtWriter::VisitCXXUuidofExpr(CXXUuidofExpr *E) {
1621 Writer.AddSourceRange(E->getSourceRange(), Record);
1622 if (E->isTypeOperand()) {
1623 Writer.AddTypeSourceInfo(E->getTypeOperandSourceInfo(), Record);
1624 Code = serialization::EXPR_CXX_UUIDOF_TYPE;
1626 Writer.AddStmt(E->getExprOperand());
1627 Code = serialization::EXPR_CXX_UUIDOF_EXPR;
1631 void ASTStmtWriter::VisitSEHExceptStmt(SEHExceptStmt *S) {
1633 Writer.AddSourceLocation(S->getExceptLoc(), Record);
1634 Writer.AddStmt(S->getFilterExpr());
1635 Writer.AddStmt(S->getBlock());
1636 Code = serialization::STMT_SEH_EXCEPT;
1639 void ASTStmtWriter::VisitSEHFinallyStmt(SEHFinallyStmt *S) {
1641 Writer.AddSourceLocation(S->getFinallyLoc(), Record);
1642 Writer.AddStmt(S->getBlock());
1643 Code = serialization::STMT_SEH_FINALLY;
1646 void ASTStmtWriter::VisitSEHTryStmt(SEHTryStmt *S) {
1648 Record.push_back(S->getIsCXXTry());
1649 Writer.AddSourceLocation(S->getTryLoc(), Record);
1650 Writer.AddStmt(S->getTryBlock());
1651 Writer.AddStmt(S->getHandler());
1652 Code = serialization::STMT_SEH_TRY;
1655 //===----------------------------------------------------------------------===//
1656 // ASTWriter Implementation
1657 //===----------------------------------------------------------------------===//
1659 unsigned ASTWriter::RecordSwitchCaseID(SwitchCase *S) {
1660 assert(SwitchCaseIDs.find(S) == SwitchCaseIDs.end() &&
1661 "SwitchCase recorded twice");
1662 unsigned NextID = SwitchCaseIDs.size();
1663 SwitchCaseIDs[S] = NextID;
1667 unsigned ASTWriter::getSwitchCaseID(SwitchCase *S) {
1668 assert(SwitchCaseIDs.find(S) != SwitchCaseIDs.end() &&
1669 "SwitchCase hasn't been seen yet");
1670 return SwitchCaseIDs[S];
1673 void ASTWriter::ClearSwitchCaseIDs() {
1674 SwitchCaseIDs.clear();
1677 /// \brief Write the given substatement or subexpression to the
1679 void ASTWriter::WriteSubStmt(Stmt *S,
1680 llvm::DenseMap<Stmt *, uint64_t> &SubStmtEntries,
1681 llvm::DenseSet<Stmt *> &ParentStmts) {
1683 ASTStmtWriter Writer(*this, Record);
1687 Stream.EmitRecord(serialization::STMT_NULL_PTR, Record);
1691 llvm::DenseMap<Stmt *, uint64_t>::iterator I = SubStmtEntries.find(S);
1692 if (I != SubStmtEntries.end()) {
1693 Record.push_back(I->second);
1694 Stream.EmitRecord(serialization::STMT_REF_PTR, Record);
1699 assert(!ParentStmts.count(S) && "There is a Stmt cycle!");
1701 struct ParentStmtInserterRAII {
1703 llvm::DenseSet<Stmt *> &ParentStmts;
1705 ParentStmtInserterRAII(Stmt *S, llvm::DenseSet<Stmt *> &ParentStmts)
1706 : S(S), ParentStmts(ParentStmts) {
1707 ParentStmts.insert(S);
1709 ~ParentStmtInserterRAII() {
1710 ParentStmts.erase(S);
1714 ParentStmtInserterRAII ParentStmtInserter(S, ParentStmts);
1717 // Redirect ASTWriter::AddStmt to collect sub stmts.
1718 SmallVector<Stmt *, 16> SubStmts;
1719 CollectedStmts = &SubStmts;
1721 Writer.Code = serialization::STMT_NULL_PTR;
1722 Writer.AbbrevToUse = 0;
1726 if (Writer.Code == serialization::STMT_NULL_PTR) {
1727 SourceManager &SrcMgr
1728 = DeclIDs.begin()->first->getASTContext().getSourceManager();
1730 llvm_unreachable("Unhandled sub statement writing AST file");
1734 // Revert ASTWriter::AddStmt.
1735 CollectedStmts = &StmtsToEmit;
1737 // Write the sub stmts in reverse order, last to first. When reading them back
1738 // we will read them in correct order by "pop"ing them from the Stmts stack.
1739 // This simplifies reading and allows to store a variable number of sub stmts
1740 // without knowing it in advance.
1741 while (!SubStmts.empty())
1742 WriteSubStmt(SubStmts.pop_back_val(), SubStmtEntries, ParentStmts);
1744 Stream.EmitRecord(Writer.Code, Record, Writer.AbbrevToUse);
1746 SubStmtEntries[S] = Stream.GetCurrentBitNo();
1749 /// \brief Flush all of the statements that have been added to the
1750 /// queue via AddStmt().
1751 void ASTWriter::FlushStmts() {
1754 // We expect to be the only consumer of the two temporary statement maps,
1755 // assert that they are empty.
1756 assert(SubStmtEntries.empty() && "unexpected entries in sub stmt map");
1757 assert(ParentStmts.empty() && "unexpected entries in parent stmt map");
1759 for (unsigned I = 0, N = StmtsToEmit.size(); I != N; ++I) {
1760 WriteSubStmt(StmtsToEmit[I], SubStmtEntries, ParentStmts);
1762 assert(N == StmtsToEmit.size() &&
1763 "Substatement written via AddStmt rather than WriteSubStmt!");
1765 // Note that we are at the end of a full expression. Any
1766 // expression records that follow this one are part of a different
1768 Stream.EmitRecord(serialization::STMT_STOP, Record);
1770 SubStmtEntries.clear();
1771 ParentStmts.clear();
1774 StmtsToEmit.clear();