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ASTReader: Refactor common code for writing function definitions, to match the writing code 

llvm-svn: 294904
This commit is contained in:
David Blaikie 2017-02-12 18:45:31 +00:00
parent 633c3b0756
commit ac4345c303
1 changed files with 15 additions and 17 deletions
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32
clang/lib/Serialization/ASTReaderDecl.cpp
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@ -240,6 +240,7 @@ namespace clang {
/// \brief Determine whether this declaration has a pending body.
bool hasPendingBody() const { return HasPendingBody; }
void ReadFunctionDefinition(FunctionDecl *FD);
void Visit(Decl *D);
void UpdateDecl(Decl *D);
@ -421,6 +422,17 @@ uint64_t ASTDeclReader::GetCurrentCursorOffset() {
return Loc.F->DeclsCursor.GetCurrentBitNo() + Loc.F->GlobalBitOffset;
}
void ASTDeclReader::ReadFunctionDefinition(FunctionDecl *FD) {
if (auto *CD = dyn_cast<CXXConstructorDecl>(FD)) {
CD->NumCtorInitializers = Record.readInt();
if (CD->NumCtorInitializers)
CD->CtorInitializers = ReadGlobalOffset();
}
// Store the offset of the body so we can lazily load it later.
Reader.PendingBodies[FD] = GetCurrentCursorOffset();
HasPendingBody = true;
}
void ASTDeclReader::Visit(Decl *D) {
DeclVisitor<ASTDeclReader, void>::Visit(D);
@ -457,15 +469,8 @@ void ASTDeclReader::Visit(Decl *D) {
// We only read it if FD doesn't already have a body (e.g., from another
// module).
// FIXME: Can we diagnose ODR violations somehow?
if (Record.readInt()) {
if (auto *CD = dyn_cast<CXXConstructorDecl>(FD)) {
CD->NumCtorInitializers = Record.readInt();
if (CD->NumCtorInitializers)
CD->CtorInitializers = ReadGlobalOffset();
}
Reader.PendingBodies[FD] = GetCurrentCursorOffset();
HasPendingBody = true;
}
if (Record.readInt())
ReadFunctionDefinition(FD);
}
}
@ -3861,14 +3866,7 @@ void ASTDeclReader::UpdateDecl(Decl *D) {
});
}
FD->setInnerLocStart(ReadSourceLocation());
if (auto *CD = dyn_cast<CXXConstructorDecl>(FD)) {
CD->NumCtorInitializers = Record.readInt();
if (CD->NumCtorInitializers)
CD->CtorInitializers = ReadGlobalOffset();
}
// Store the offset of the body so we can lazily load it later.
Reader.PendingBodies[FD] = GetCurrentCursorOffset();
HasPendingBody = true;
ReadFunctionDefinition(FD);
assert(Record.getIdx() == Record.size() && "lazy body must be last");
break;
}