vasilito
cb424d7448
verify-patch-sanity.py validates every active recipe .patch has internally- consistent hunk line counts — catching the 'malformed patch at line N' failure at commit/CI/preflight time instead of hours into a cook. This cycle hit that class three times (qtwaylandscanner, sddm, xwayland), each only discovered when cookbook tried to apply the patch. Running it across the repo found 29 latent malformed patches (validated against GNU patch: e.g. relibc/P3-sysv-ipc reproduces 'malformed patch at line 22'). They were harmless only because they sit in vendored recipes (baked, not re- applied) — but would fail on any version-bump re-derivation. --fix recounts the hunk headers (body untouched) and repaired all 29. Wired into build-preflight.sh (Phase 1.0D) and redbear-ci.yml, with a unit test (test-patch-sanity.sh). Skips archived/legacy trees and unvalidatable formats (empty placeholders, bare-@@ git hunks).
120 lines
4.1 KiB
C++
120 lines
4.1 KiB
C++
//===- Availability.cpp --------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the Availability information for Decls.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/AST/Availability.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/AST/Attr.h"
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#include "clang/AST/Decl.h"
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#include "clang/Basic/TargetInfo.h"
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namespace {
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/// Represents the availability of a symbol across platforms.
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struct AvailabilitySet {
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bool UnconditionallyDeprecated = false;
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bool UnconditionallyUnavailable = false;
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void insert(clang::AvailabilityInfo &&Availability) {
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auto *Found = getForPlatform(Availability.Domain);
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if (Found)
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Found->mergeWith(std::move(Availability));
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else
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Availabilities.emplace_back(std::move(Availability));
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}
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clang::AvailabilityInfo *getForPlatform(llvm::StringRef Domain) {
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auto *It = llvm::find_if(Availabilities,
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[Domain](const clang::AvailabilityInfo &Info) {
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return Domain.compare(Info.Domain) == 0;
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});
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return It == Availabilities.end() ? nullptr : It;
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}
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private:
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llvm::SmallVector<clang::AvailabilityInfo> Availabilities;
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};
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static void createInfoForDecl(const clang::Decl *Decl,
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AvailabilitySet &Availabilities) {
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// Collect availability attributes from all redeclarations.
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for (const auto *RD : Decl->redecls()) {
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for (const auto *A : RD->specific_attrs<clang::AvailabilityAttr>()) {
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Availabilities.insert(clang::AvailabilityInfo(
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A->getPlatform()->getName(), A->getIntroduced(), A->getDeprecated(),
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A->getObsoleted(), A->getUnavailable(), false, false));
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}
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if (const auto *A = RD->getAttr<clang::UnavailableAttr>())
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if (!A->isImplicit())
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Availabilities.UnconditionallyUnavailable = true;
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if (const auto *A = RD->getAttr<clang::DeprecatedAttr>())
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if (!A->isImplicit())
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Availabilities.UnconditionallyDeprecated = true;
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}
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}
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} // namespace
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namespace clang {
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void AvailabilityInfo::mergeWith(AvailabilityInfo Other) {
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if (isDefault() && Other.isDefault())
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return;
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if (Domain.empty())
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Domain = Other.Domain;
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UnconditionallyUnavailable |= Other.UnconditionallyUnavailable;
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UnconditionallyDeprecated |= Other.UnconditionallyDeprecated;
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Unavailable |= Other.Unavailable;
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Introduced = std::max(Introduced, Other.Introduced);
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// Default VersionTuple is 0.0.0 so if both are non default let's pick the
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// smallest version number, otherwise select the one that is non-zero if there
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// is one.
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if (!Deprecated.empty() && !Other.Deprecated.empty())
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Deprecated = std::min(Deprecated, Other.Deprecated);
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else
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Deprecated = std::max(Deprecated, Other.Deprecated);
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if (!Obsoleted.empty() && !Other.Obsoleted.empty())
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Obsoleted = std::min(Obsoleted, Other.Obsoleted);
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else
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Obsoleted = std::max(Obsoleted, Other.Obsoleted);
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}
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AvailabilityInfo AvailabilityInfo::createFromDecl(const Decl *D) {
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AvailabilitySet Availabilities;
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// Walk DeclContexts upwards starting from D to find the combined availability
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// of the symbol.
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for (const auto *Ctx = D; Ctx;
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Ctx = llvm::cast_or_null<Decl>(Ctx->getDeclContext()))
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createInfoForDecl(Ctx, Availabilities);
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if (auto *Avail = Availabilities.getForPlatform(
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D->getASTContext().getTargetInfo().getPlatformName())) {
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Avail->UnconditionallyDeprecated = Availabilities.UnconditionallyDeprecated;
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Avail->UnconditionallyUnavailable =
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Availabilities.UnconditionallyUnavailable;
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return std::move(*Avail);
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}
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AvailabilityInfo Avail;
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Avail.UnconditionallyDeprecated = Availabilities.UnconditionallyDeprecated;
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Avail.UnconditionallyUnavailable = Availabilities.UnconditionallyUnavailable;
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return Avail;
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}
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} // namespace clang
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