summaryrefslogtreecommitdiff
path: root/clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp')
-rw-r--r--clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp624
1 files changed, 624 insertions, 0 deletions
diff --git a/clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp b/clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp
new file mode 100644
index 000000000000..e00fd976f6b8
--- /dev/null
+++ b/clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp
@@ -0,0 +1,624 @@
+//===- CheckerRegistry.cpp - Maintains all available checkers -------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/StaticAnalyzer/Frontend/CheckerRegistry.h"
+#include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/LLVM.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Frontend/FrontendDiagnostic.h"
+#include "clang/StaticAnalyzer/Checkers/BuiltinCheckerRegistration.h"
+#include "clang/StaticAnalyzer/Core/AnalyzerOptions.h"
+#include "clang/StaticAnalyzer/Core/CheckerManager.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SetVector.h"
+#include "llvm/ADT/StringMap.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/DynamicLibrary.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/raw_ostream.h"
+#include <algorithm>
+
+using namespace clang;
+using namespace ento;
+using llvm::sys::DynamicLibrary;
+
+using RegisterCheckersFn = void (*)(CheckerRegistry &);
+
+static bool isCompatibleAPIVersion(const char *VersionString) {
+ // If the version string is null, its not an analyzer plugin.
+ if (!VersionString)
+ return false;
+
+ // For now, none of the static analyzer API is considered stable.
+ // Versions must match exactly.
+ return strcmp(VersionString, CLANG_ANALYZER_API_VERSION_STRING) == 0;
+}
+
+namespace {
+template <class T> struct FullNameLT {
+ bool operator()(const T &Lhs, const T &Rhs) {
+ return Lhs.FullName < Rhs.FullName;
+ }
+};
+
+using PackageNameLT = FullNameLT<CheckerRegistry::PackageInfo>;
+using CheckerNameLT = FullNameLT<CheckerRegistry::CheckerInfo>;
+} // end of anonymous namespace
+
+template <class CheckerOrPackageInfoList>
+static
+ typename std::conditional<std::is_const<CheckerOrPackageInfoList>::value,
+ typename CheckerOrPackageInfoList::const_iterator,
+ typename CheckerOrPackageInfoList::iterator>::type
+ binaryFind(CheckerOrPackageInfoList &Collection, StringRef FullName) {
+
+ using CheckerOrPackage = typename CheckerOrPackageInfoList::value_type;
+ using CheckerOrPackageFullNameLT = FullNameLT<CheckerOrPackage>;
+
+ assert(std::is_sorted(Collection.begin(), Collection.end(),
+ CheckerOrPackageFullNameLT{}) &&
+ "In order to efficiently gather checkers/packages, this function "
+ "expects them to be already sorted!");
+
+ return llvm::lower_bound(Collection, CheckerOrPackage(FullName),
+ CheckerOrPackageFullNameLT{});
+}
+
+static constexpr char PackageSeparator = '.';
+
+static bool isInPackage(const CheckerRegistry::CheckerInfo &Checker,
+ StringRef PackageName) {
+ // Does the checker's full name have the package as a prefix?
+ if (!Checker.FullName.startswith(PackageName))
+ return false;
+
+ // Is the package actually just the name of a specific checker?
+ if (Checker.FullName.size() == PackageName.size())
+ return true;
+
+ // Is the checker in the package (or a subpackage)?
+ if (Checker.FullName[PackageName.size()] == PackageSeparator)
+ return true;
+
+ return false;
+}
+
+CheckerRegistry::CheckerInfoListRange
+CheckerRegistry::getMutableCheckersForCmdLineArg(StringRef CmdLineArg) {
+ auto It = binaryFind(Checkers, CmdLineArg);
+
+ if (!isInPackage(*It, CmdLineArg))
+ return {Checkers.end(), Checkers.end()};
+
+ // See how large the package is.
+ // If the package doesn't exist, assume the option refers to a single
+ // checker.
+ size_t Size = 1;
+ llvm::StringMap<size_t>::const_iterator PackageSize =
+ PackageSizes.find(CmdLineArg);
+
+ if (PackageSize != PackageSizes.end())
+ Size = PackageSize->getValue();
+
+ return {It, It + Size};
+}
+
+CheckerRegistry::CheckerRegistry(
+ ArrayRef<std::string> Plugins, DiagnosticsEngine &Diags,
+ AnalyzerOptions &AnOpts, const LangOptions &LangOpts,
+ ArrayRef<std::function<void(CheckerRegistry &)>> CheckerRegistrationFns)
+ : Diags(Diags), AnOpts(AnOpts), LangOpts(LangOpts) {
+
+ // Register builtin checkers.
+#define GET_CHECKERS
+#define CHECKER(FULLNAME, CLASS, HELPTEXT, DOC_URI, IS_HIDDEN) \
+ addChecker(register##CLASS, shouldRegister##CLASS, FULLNAME, HELPTEXT, \
+ DOC_URI, IS_HIDDEN);
+
+#define GET_PACKAGES
+#define PACKAGE(FULLNAME) addPackage(FULLNAME);
+
+#include "clang/StaticAnalyzer/Checkers/Checkers.inc"
+#undef CHECKER
+#undef GET_CHECKERS
+#undef PACKAGE
+#undef GET_PACKAGES
+
+ // Register checkers from plugins.
+ for (const std::string &Plugin : Plugins) {
+ // Get access to the plugin.
+ std::string ErrorMsg;
+ DynamicLibrary Lib =
+ DynamicLibrary::getPermanentLibrary(Plugin.c_str(), &ErrorMsg);
+ if (!Lib.isValid()) {
+ Diags.Report(diag::err_fe_unable_to_load_plugin) << Plugin << ErrorMsg;
+ continue;
+ }
+
+ // See if its compatible with this build of clang.
+ const char *PluginAPIVersion = static_cast<const char *>(
+ Lib.getAddressOfSymbol("clang_analyzerAPIVersionString"));
+
+ if (!isCompatibleAPIVersion(PluginAPIVersion)) {
+ Diags.Report(diag::warn_incompatible_analyzer_plugin_api)
+ << llvm::sys::path::filename(Plugin);
+ Diags.Report(diag::note_incompatible_analyzer_plugin_api)
+ << CLANG_ANALYZER_API_VERSION_STRING << PluginAPIVersion;
+ continue;
+ }
+
+ // Register its checkers.
+ RegisterCheckersFn RegisterPluginCheckers =
+ reinterpret_cast<RegisterCheckersFn>(
+ Lib.getAddressOfSymbol("clang_registerCheckers"));
+ if (RegisterPluginCheckers)
+ RegisterPluginCheckers(*this);
+ }
+
+ // Register statically linked checkers, that aren't generated from the tblgen
+ // file, but rather passed their registry function as a parameter in
+ // checkerRegistrationFns.
+
+ for (const auto &Fn : CheckerRegistrationFns)
+ Fn(*this);
+
+ // Sort checkers for efficient collection.
+ // FIXME: Alphabetical sort puts 'experimental' in the middle.
+ // Would it be better to name it '~experimental' or something else
+ // that's ASCIIbetically last?
+ llvm::sort(Packages, PackageNameLT{});
+ llvm::sort(Checkers, CheckerNameLT{});
+
+#define GET_CHECKER_DEPENDENCIES
+
+#define CHECKER_DEPENDENCY(FULLNAME, DEPENDENCY) \
+ addDependency(FULLNAME, DEPENDENCY);
+
+#define GET_CHECKER_OPTIONS
+#define CHECKER_OPTION(TYPE, FULLNAME, CMDFLAG, DESC, DEFAULT_VAL, DEVELOPMENT_STATUS, IS_HIDDEN) \
+ addCheckerOption(TYPE, FULLNAME, CMDFLAG, DEFAULT_VAL, DESC, DEVELOPMENT_STATUS, IS_HIDDEN);
+
+#define GET_PACKAGE_OPTIONS
+#define PACKAGE_OPTION(TYPE, FULLNAME, CMDFLAG, DESC, DEFAULT_VAL, DEVELOPMENT_STATUS, IS_HIDDEN) \
+ addPackageOption(TYPE, FULLNAME, CMDFLAG, DEFAULT_VAL, DESC, DEVELOPMENT_STATUS, IS_HIDDEN);
+
+#include "clang/StaticAnalyzer/Checkers/Checkers.inc"
+#undef CHECKER_DEPENDENCY
+#undef GET_CHECKER_DEPENDENCIES
+#undef CHECKER_OPTION
+#undef GET_CHECKER_OPTIONS
+#undef PACKAGE_OPTION
+#undef GET_PACKAGE_OPTIONS
+
+ resolveDependencies();
+ resolveCheckerAndPackageOptions();
+
+ // Parse '-analyzer-checker' and '-analyzer-disable-checker' options from the
+ // command line.
+ for (const std::pair<std::string, bool> &Opt : AnOpts.CheckersAndPackages) {
+ CheckerInfoListRange CheckerForCmdLineArg =
+ getMutableCheckersForCmdLineArg(Opt.first);
+
+ if (CheckerForCmdLineArg.begin() == CheckerForCmdLineArg.end()) {
+ Diags.Report(diag::err_unknown_analyzer_checker_or_package) << Opt.first;
+ Diags.Report(diag::note_suggest_disabling_all_checkers);
+ }
+
+ for (CheckerInfo &checker : CheckerForCmdLineArg) {
+ checker.State = Opt.second ? StateFromCmdLine::State_Enabled
+ : StateFromCmdLine::State_Disabled;
+ }
+ }
+}
+
+/// Collects dependencies in \p ret, returns false on failure.
+static bool
+collectDependenciesImpl(const CheckerRegistry::ConstCheckerInfoList &Deps,
+ const LangOptions &LO,
+ CheckerRegistry::CheckerInfoSet &Ret);
+
+/// Collects dependenies in \p enabledCheckers. Return None on failure.
+LLVM_NODISCARD
+static llvm::Optional<CheckerRegistry::CheckerInfoSet>
+collectDependencies(const CheckerRegistry::CheckerInfo &checker,
+ const LangOptions &LO) {
+
+ CheckerRegistry::CheckerInfoSet Ret;
+ // Add dependencies to the enabled checkers only if all of them can be
+ // enabled.
+ if (!collectDependenciesImpl(checker.Dependencies, LO, Ret))
+ return None;
+
+ return Ret;
+}
+
+static bool
+collectDependenciesImpl(const CheckerRegistry::ConstCheckerInfoList &Deps,
+ const LangOptions &LO,
+ CheckerRegistry::CheckerInfoSet &Ret) {
+
+ for (const CheckerRegistry::CheckerInfo *Dependency : Deps) {
+
+ if (Dependency->isDisabled(LO))
+ return false;
+
+ // Collect dependencies recursively.
+ if (!collectDependenciesImpl(Dependency->Dependencies, LO, Ret))
+ return false;
+
+ Ret.insert(Dependency);
+ }
+
+ return true;
+}
+
+CheckerRegistry::CheckerInfoSet CheckerRegistry::getEnabledCheckers() const {
+
+ CheckerInfoSet EnabledCheckers;
+
+ for (const CheckerInfo &Checker : Checkers) {
+ if (!Checker.isEnabled(LangOpts))
+ continue;
+
+ // Recursively enable its dependencies.
+ llvm::Optional<CheckerInfoSet> Deps =
+ collectDependencies(Checker, LangOpts);
+
+ if (!Deps) {
+ // If we failed to enable any of the dependencies, don't enable this
+ // checker.
+ continue;
+ }
+
+ // Note that set_union also preserves the order of insertion.
+ EnabledCheckers.set_union(*Deps);
+
+ // Enable the checker.
+ EnabledCheckers.insert(&Checker);
+ }
+
+ return EnabledCheckers;
+}
+
+void CheckerRegistry::resolveDependencies() {
+ for (const std::pair<StringRef, StringRef> &Entry : Dependencies) {
+ auto CheckerIt = binaryFind(Checkers, Entry.first);
+ assert(CheckerIt != Checkers.end() && CheckerIt->FullName == Entry.first &&
+ "Failed to find the checker while attempting to set up its "
+ "dependencies!");
+
+ auto DependencyIt = binaryFind(Checkers, Entry.second);
+ assert(DependencyIt != Checkers.end() &&
+ DependencyIt->FullName == Entry.second &&
+ "Failed to find the dependency of a checker!");
+
+ CheckerIt->Dependencies.emplace_back(&*DependencyIt);
+ }
+
+ Dependencies.clear();
+}
+
+void CheckerRegistry::addDependency(StringRef FullName, StringRef Dependency) {
+ Dependencies.emplace_back(FullName, Dependency);
+}
+
+/// Insert the checker/package option to AnalyzerOptions' config table, and
+/// validate it, if the user supplied it on the command line.
+static void insertAndValidate(StringRef FullName,
+ const CheckerRegistry::CmdLineOption &Option,
+ AnalyzerOptions &AnOpts,
+ DiagnosticsEngine &Diags) {
+
+ std::string FullOption = (FullName + ":" + Option.OptionName).str();
+
+ auto It = AnOpts.Config.insert({FullOption, Option.DefaultValStr});
+
+ // Insertation was successful -- CmdLineOption's constructor will validate
+ // whether values received from plugins or TableGen files are correct.
+ if (It.second)
+ return;
+
+ // Insertion failed, the user supplied this package/checker option on the
+ // command line. If the supplied value is invalid, we'll restore the option
+ // to it's default value, and if we're in non-compatibility mode, we'll also
+ // emit an error.
+
+ StringRef SuppliedValue = It.first->getValue();
+
+ if (Option.OptionType == "bool") {
+ if (SuppliedValue != "true" && SuppliedValue != "false") {
+ if (AnOpts.ShouldEmitErrorsOnInvalidConfigValue) {
+ Diags.Report(diag::err_analyzer_checker_option_invalid_input)
+ << FullOption << "a boolean value";
+ }
+
+ It.first->setValue(Option.DefaultValStr);
+ }
+ return;
+ }
+
+ if (Option.OptionType == "int") {
+ int Tmp;
+ bool HasFailed = SuppliedValue.getAsInteger(0, Tmp);
+ if (HasFailed) {
+ if (AnOpts.ShouldEmitErrorsOnInvalidConfigValue) {
+ Diags.Report(diag::err_analyzer_checker_option_invalid_input)
+ << FullOption << "an integer value";
+ }
+
+ It.first->setValue(Option.DefaultValStr);
+ }
+ return;
+ }
+}
+
+template <class T>
+static void
+insertOptionToCollection(StringRef FullName, T &Collection,
+ const CheckerRegistry::CmdLineOption &Option,
+ AnalyzerOptions &AnOpts, DiagnosticsEngine &Diags) {
+ auto It = binaryFind(Collection, FullName);
+ assert(It != Collection.end() &&
+ "Failed to find the checker while attempting to add a command line "
+ "option to it!");
+
+ insertAndValidate(FullName, Option, AnOpts, Diags);
+
+ It->CmdLineOptions.emplace_back(Option);
+}
+
+void CheckerRegistry::resolveCheckerAndPackageOptions() {
+ for (const std::pair<StringRef, CmdLineOption> &CheckerOptEntry :
+ CheckerOptions) {
+ insertOptionToCollection(CheckerOptEntry.first, Checkers,
+ CheckerOptEntry.second, AnOpts, Diags);
+ }
+ CheckerOptions.clear();
+
+ for (const std::pair<StringRef, CmdLineOption> &PackageOptEntry :
+ PackageOptions) {
+ insertOptionToCollection(PackageOptEntry.first, Packages,
+ PackageOptEntry.second, AnOpts, Diags);
+ }
+ PackageOptions.clear();
+}
+
+void CheckerRegistry::addPackage(StringRef FullName) {
+ Packages.emplace_back(PackageInfo(FullName));
+}
+
+void CheckerRegistry::addPackageOption(StringRef OptionType,
+ StringRef PackageFullName,
+ StringRef OptionName,
+ StringRef DefaultValStr,
+ StringRef Description,
+ StringRef DevelopmentStatus,
+ bool IsHidden) {
+ PackageOptions.emplace_back(
+ PackageFullName, CmdLineOption{OptionType, OptionName, DefaultValStr,
+ Description, DevelopmentStatus, IsHidden});
+}
+
+void CheckerRegistry::addChecker(InitializationFunction Rfn,
+ ShouldRegisterFunction Sfn, StringRef Name,
+ StringRef Desc, StringRef DocsUri,
+ bool IsHidden) {
+ Checkers.emplace_back(Rfn, Sfn, Name, Desc, DocsUri, IsHidden);
+
+ // Record the presence of the checker in its packages.
+ StringRef PackageName, LeafName;
+ std::tie(PackageName, LeafName) = Name.rsplit(PackageSeparator);
+ while (!LeafName.empty()) {
+ PackageSizes[PackageName] += 1;
+ std::tie(PackageName, LeafName) = PackageName.rsplit(PackageSeparator);
+ }
+}
+
+void CheckerRegistry::addCheckerOption(StringRef OptionType,
+ StringRef CheckerFullName,
+ StringRef OptionName,
+ StringRef DefaultValStr,
+ StringRef Description,
+ StringRef DevelopmentStatus,
+ bool IsHidden) {
+ CheckerOptions.emplace_back(
+ CheckerFullName, CmdLineOption{OptionType, OptionName, DefaultValStr,
+ Description, DevelopmentStatus, IsHidden});
+}
+
+void CheckerRegistry::initializeManager(CheckerManager &CheckerMgr) const {
+ // Collect checkers enabled by the options.
+ CheckerInfoSet enabledCheckers = getEnabledCheckers();
+
+ // Initialize the CheckerManager with all enabled checkers.
+ for (const auto *Checker : enabledCheckers) {
+ CheckerMgr.setCurrentCheckerName(CheckerNameRef(Checker->FullName));
+ Checker->Initialize(CheckerMgr);
+ }
+}
+
+static void
+isOptionContainedIn(const CheckerRegistry::CmdLineOptionList &OptionList,
+ StringRef SuppliedChecker, StringRef SuppliedOption,
+ const AnalyzerOptions &AnOpts, DiagnosticsEngine &Diags) {
+
+ if (!AnOpts.ShouldEmitErrorsOnInvalidConfigValue)
+ return;
+
+ using CmdLineOption = CheckerRegistry::CmdLineOption;
+
+ auto SameOptName = [SuppliedOption](const CmdLineOption &Opt) {
+ return Opt.OptionName == SuppliedOption;
+ };
+
+ auto OptionIt = llvm::find_if(OptionList, SameOptName);
+
+ if (OptionIt == OptionList.end()) {
+ Diags.Report(diag::err_analyzer_checker_option_unknown)
+ << SuppliedChecker << SuppliedOption;
+ return;
+ }
+}
+
+void CheckerRegistry::validateCheckerOptions() const {
+ for (const auto &Config : AnOpts.Config) {
+
+ StringRef SuppliedCheckerOrPackage;
+ StringRef SuppliedOption;
+ std::tie(SuppliedCheckerOrPackage, SuppliedOption) =
+ Config.getKey().split(':');
+
+ if (SuppliedOption.empty())
+ continue;
+
+ // AnalyzerOptions' config table contains the user input, so an entry could
+ // look like this:
+ //
+ // cor:NoFalsePositives=true
+ //
+ // Since lower_bound would look for the first element *not less* than "cor",
+ // it would return with an iterator to the first checker in the core, so we
+ // we really have to use find here, which uses operator==.
+ auto CheckerIt =
+ llvm::find(Checkers, CheckerInfo(SuppliedCheckerOrPackage));
+ if (CheckerIt != Checkers.end()) {
+ isOptionContainedIn(CheckerIt->CmdLineOptions, SuppliedCheckerOrPackage,
+ SuppliedOption, AnOpts, Diags);
+ continue;
+ }
+
+ auto PackageIt =
+ llvm::find(Packages, PackageInfo(SuppliedCheckerOrPackage));
+ if (PackageIt != Packages.end()) {
+ isOptionContainedIn(PackageIt->CmdLineOptions, SuppliedCheckerOrPackage,
+ SuppliedOption, AnOpts, Diags);
+ continue;
+ }
+
+ Diags.Report(diag::err_unknown_analyzer_checker_or_package)
+ << SuppliedCheckerOrPackage;
+ }
+}
+
+void CheckerRegistry::printCheckerWithDescList(raw_ostream &Out,
+ size_t MaxNameChars) const {
+ // FIXME: Print available packages.
+
+ Out << "CHECKERS:\n";
+
+ // Find the maximum option length.
+ size_t OptionFieldWidth = 0;
+ for (const auto &Checker : Checkers) {
+ // Limit the amount of padding we are willing to give up for alignment.
+ // Package.Name Description [Hidden]
+ size_t NameLength = Checker.FullName.size();
+ if (NameLength <= MaxNameChars)
+ OptionFieldWidth = std::max(OptionFieldWidth, NameLength);
+ }
+
+ const size_t InitialPad = 2;
+
+ auto Print = [=](llvm::raw_ostream &Out, const CheckerInfo &Checker,
+ StringRef Description) {
+ AnalyzerOptions::printFormattedEntry(Out, {Checker.FullName, Description},
+ InitialPad, OptionFieldWidth);
+ Out << '\n';
+ };
+
+ for (const auto &Checker : Checkers) {
+ // The order of this if branches is significant, we wouldn't like to display
+ // developer checkers even in the alpha output. For example,
+ // alpha.cplusplus.IteratorModeling is a modeling checker, hence it's hidden
+ // by default, and users (even when the user is a developer of an alpha
+ // checker) shouldn't normally tinker with whether they should be enabled.
+
+ if (Checker.IsHidden) {
+ if (AnOpts.ShowCheckerHelpDeveloper)
+ Print(Out, Checker, Checker.Desc);
+ continue;
+ }
+
+ if (Checker.FullName.startswith("alpha")) {
+ if (AnOpts.ShowCheckerHelpAlpha)
+ Print(Out, Checker,
+ ("(Enable only for development!) " + Checker.Desc).str());
+ continue;
+ }
+
+ if (AnOpts.ShowCheckerHelp)
+ Print(Out, Checker, Checker.Desc);
+ }
+}
+
+void CheckerRegistry::printEnabledCheckerList(raw_ostream &Out) const {
+ // Collect checkers enabled by the options.
+ CheckerInfoSet EnabledCheckers = getEnabledCheckers();
+
+ for (const auto *i : EnabledCheckers)
+ Out << i->FullName << '\n';
+}
+
+void CheckerRegistry::printCheckerOptionList(raw_ostream &Out) const {
+ Out << "OVERVIEW: Clang Static Analyzer Checker and Package Option List\n\n";
+ Out << "USAGE: -analyzer-config <OPTION1=VALUE,OPTION2=VALUE,...>\n\n";
+ Out << " -analyzer-config OPTION1=VALUE, -analyzer-config "
+ "OPTION2=VALUE, ...\n\n";
+ Out << "OPTIONS:\n\n";
+
+ std::multimap<StringRef, const CmdLineOption &> OptionMap;
+
+ for (const CheckerInfo &Checker : Checkers) {
+ for (const CmdLineOption &Option : Checker.CmdLineOptions) {
+ OptionMap.insert({Checker.FullName, Option});
+ }
+ }
+
+ for (const PackageInfo &Package : Packages) {
+ for (const CmdLineOption &Option : Package.CmdLineOptions) {
+ OptionMap.insert({Package.FullName, Option});
+ }
+ }
+
+ auto Print = [] (llvm::raw_ostream &Out, StringRef FullOption, StringRef Desc) {
+ AnalyzerOptions::printFormattedEntry(Out, {FullOption, Desc},
+ /*InitialPad*/ 2,
+ /*EntryWidth*/ 50,
+ /*MinLineWidth*/ 90);
+ Out << "\n\n";
+ };
+ for (const std::pair<StringRef, const CmdLineOption &> &Entry : OptionMap) {
+ const CmdLineOption &Option = Entry.second;
+ std::string FullOption = (Entry.first + ":" + Option.OptionName).str();
+
+ std::string Desc =
+ ("(" + Option.OptionType + ") " + Option.Description + " (default: " +
+ (Option.DefaultValStr.empty() ? "\"\"" : Option.DefaultValStr) + ")")
+ .str();
+
+ // The list of these if branches is significant, we wouldn't like to
+ // display hidden alpha checker options for
+ // -analyzer-checker-option-help-alpha.
+
+ if (Option.IsHidden) {
+ if (AnOpts.ShowCheckerOptionDeveloperList)
+ Print(Out, FullOption, Desc);
+ continue;
+ }
+
+ if (Option.DevelopmentStatus == "alpha" ||
+ Entry.first.startswith("alpha")) {
+ if (AnOpts.ShowCheckerOptionAlphaList)
+ Print(Out, FullOption,
+ llvm::Twine("(Enable only for development!) " + Desc).str());
+ continue;
+ }
+
+ if (AnOpts.ShowCheckerOptionList)
+ Print(Out, FullOption, Desc);
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 10:21:45 +0000