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authorvitalyisaev <vitalyisaev@yandex-team.com>2023-06-29 10:00:50 +0300
committervitalyisaev <vitalyisaev@yandex-team.com>2023-06-29 10:00:50 +0300
commit6ffe9e53658409f212834330e13564e4952558f6 (patch)
tree85b1e00183517648b228aafa7c8fb07f5276f419 /contrib/libs/clang14/lib/ARCMigrate/TransAPIUses.cpp
parent726057070f9c5a91fc10fde0d5024913d10f1ab9 (diff)
downloadydb-6ffe9e53658409f212834330e13564e4952558f6.tar.gz
YQ Connector: support managed ClickHouse
Со стороны dqrun можно обратиться к инстансу коннектора, который работает на streaming стенде, и извлечь данные из облачного CH.
Diffstat (limited to 'contrib/libs/clang14/lib/ARCMigrate/TransAPIUses.cpp')
-rw-r--r--contrib/libs/clang14/lib/ARCMigrate/TransAPIUses.cpp107
1 files changed, 107 insertions, 0 deletions
diff --git a/contrib/libs/clang14/lib/ARCMigrate/TransAPIUses.cpp b/contrib/libs/clang14/lib/ARCMigrate/TransAPIUses.cpp
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+++ b/contrib/libs/clang14/lib/ARCMigrate/TransAPIUses.cpp
@@ -0,0 +1,107 @@
+//===--- TransAPIUses.cpp - Transformations to ARC mode -------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// checkAPIUses:
+//
+// Emits error/fix with some API uses that are obsolete or not safe in ARC mode:
+//
+// - NSInvocation's [get/set]ReturnValue and [get/set]Argument are only safe
+// with __unsafe_unretained objects.
+// - Calling -zone gets replaced with 'nil'.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Transforms.h"
+#include "Internals.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/Sema/SemaDiagnostic.h"
+
+using namespace clang;
+using namespace arcmt;
+using namespace trans;
+
+namespace {
+
+class APIChecker : public RecursiveASTVisitor<APIChecker> {
+ MigrationPass &Pass;
+
+ Selector getReturnValueSel, setReturnValueSel;
+ Selector getArgumentSel, setArgumentSel;
+
+ Selector zoneSel;
+public:
+ APIChecker(MigrationPass &pass) : Pass(pass) {
+ SelectorTable &sels = Pass.Ctx.Selectors;
+ IdentifierTable &ids = Pass.Ctx.Idents;
+ getReturnValueSel = sels.getUnarySelector(&ids.get("getReturnValue"));
+ setReturnValueSel = sels.getUnarySelector(&ids.get("setReturnValue"));
+
+ IdentifierInfo *selIds[2];
+ selIds[0] = &ids.get("getArgument");
+ selIds[1] = &ids.get("atIndex");
+ getArgumentSel = sels.getSelector(2, selIds);
+ selIds[0] = &ids.get("setArgument");
+ setArgumentSel = sels.getSelector(2, selIds);
+
+ zoneSel = sels.getNullarySelector(&ids.get("zone"));
+ }
+
+ bool VisitObjCMessageExpr(ObjCMessageExpr *E) {
+ // NSInvocation.
+ if (E->isInstanceMessage() &&
+ E->getReceiverInterface() &&
+ E->getReceiverInterface()->getName() == "NSInvocation") {
+ StringRef selName;
+ if (E->getSelector() == getReturnValueSel)
+ selName = "getReturnValue";
+ else if (E->getSelector() == setReturnValueSel)
+ selName = "setReturnValue";
+ else if (E->getSelector() == getArgumentSel)
+ selName = "getArgument";
+ else if (E->getSelector() == setArgumentSel)
+ selName = "setArgument";
+ else
+ return true;
+
+ Expr *parm = E->getArg(0)->IgnoreParenCasts();
+ QualType pointee = parm->getType()->getPointeeType();
+ if (pointee.isNull())
+ return true;
+
+ if (pointee.getObjCLifetime() > Qualifiers::OCL_ExplicitNone)
+ Pass.TA.report(parm->getBeginLoc(),
+ diag::err_arcmt_nsinvocation_ownership,
+ parm->getSourceRange())
+ << selName;
+
+ return true;
+ }
+
+ // -zone.
+ if (E->isInstanceMessage() &&
+ E->getInstanceReceiver() &&
+ E->getSelector() == zoneSel &&
+ Pass.TA.hasDiagnostic(diag::err_unavailable,
+ diag::err_unavailable_message,
+ E->getSelectorLoc(0))) {
+ // Calling -zone is meaningless in ARC, change it to nil.
+ Transaction Trans(Pass.TA);
+ Pass.TA.clearDiagnostic(diag::err_unavailable,
+ diag::err_unavailable_message,
+ E->getSelectorLoc(0));
+ Pass.TA.replace(E->getSourceRange(), getNilString(Pass));
+ }
+ return true;
+ }
+};
+
+} // anonymous namespace
+
+void trans::checkAPIUses(MigrationPass &pass) {
+ APIChecker(pass).TraverseDecl(pass.Ctx.getTranslationUnitDecl());
+}