Export clang-format16 via ydblib project

6e6be3a95868fde888d801b7590af4044049563f

1 files changed, 241 insertions, 0 deletions

diff --git a/contrib/libs/clang16/lib/StaticAnalyzer/Core/CheckerRegistryData.cpp b/contrib/libs/clang16/lib/StaticAnalyzer/Core/CheckerRegistryData.cpp
new file mode 100644
index 0000000000..1b3e8b1154
--- /dev/null
+++ b/contrib/libs/clang16/lib/StaticAnalyzer/Core/CheckerRegistryData.cpp
@@ -0,0 +1,241 @@
+//===- CheckerRegistry.h - Maintains all available checkers -----*- C++ -*-===//
+//
+// 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/Core/CheckerRegistryData.h"
+#include "clang/StaticAnalyzer/Core/AnalyzerOptions.h"
+#include "llvm/ADT/Twine.h"
+#include <map>
+
+using namespace clang;
+using namespace ento;
+
+//===----------------------------------------------------------------------===//
+// Methods of CmdLineOption, PackageInfo and CheckerInfo.
+//===----------------------------------------------------------------------===//
+
+LLVM_DUMP_METHOD void CmdLineOption::dump() const {
+  dumpToStream(llvm::errs());
+}
+
+LLVM_DUMP_METHOD void
+CmdLineOption::dumpToStream(llvm::raw_ostream &Out) const {
+  // The description can be just checked in Checkers.inc, the point here is to
+  // debug whether we succeeded in parsing it.
+  Out << OptionName << " (" << OptionType << ", "
+      << (IsHidden ? "hidden, " : "") << DevelopmentStatus << ") default: \""
+      << DefaultValStr;
+}
+
+static StringRef toString(StateFromCmdLine Kind) {
+  switch (Kind) {
+  case StateFromCmdLine::State_Disabled:
+    return "Disabled";
+  case StateFromCmdLine::State_Enabled:
+    return "Enabled";
+  case StateFromCmdLine::State_Unspecified:
+    return "Unspecified";
+  }
+  llvm_unreachable("Unhandled StateFromCmdLine enum");
+}
+
+LLVM_DUMP_METHOD void CheckerInfo::dump() const { dumpToStream(llvm::errs()); }
+
+LLVM_DUMP_METHOD void CheckerInfo::dumpToStream(llvm::raw_ostream &Out) const {
+  // The description can be just checked in Checkers.inc, the point here is to
+  // debug whether we succeeded in parsing it. Same with documentation uri.
+  Out << FullName << " (" << toString(State) << (IsHidden ? ", hidden" : "")
+      << ")\n";
+  Out << "  Options:\n";
+  for (const CmdLineOption &Option : CmdLineOptions) {
+    Out << "    ";
+    Option.dumpToStream(Out);
+    Out << '\n';
+  }
+  Out << "  Dependencies:\n";
+  for (const CheckerInfo *Dependency : Dependencies) {
+    Out << "  " << Dependency->FullName << '\n';
+  }
+  Out << "  Weak dependencies:\n";
+  for (const CheckerInfo *Dependency : WeakDependencies) {
+    Out << "    " << Dependency->FullName << '\n';
+  }
+}
+
+LLVM_DUMP_METHOD void PackageInfo::dump() const { dumpToStream(llvm::errs()); }
+
+LLVM_DUMP_METHOD void PackageInfo::dumpToStream(llvm::raw_ostream &Out) const {
+  Out << FullName << "\n";
+  Out << "  Options:\n";
+  for (const CmdLineOption &Option : CmdLineOptions) {
+    Out << "    ";
+    Option.dumpToStream(Out);
+    Out << '\n';
+  }
+}
+
+static constexpr char PackageSeparator = '.';
+
+static bool isInPackage(const 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;
+}
+
+CheckerInfoListRange
+CheckerRegistryData::getMutableCheckersForCmdLineArg(StringRef CmdLineArg) {
+  auto It = checker_registry::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};
+}
+//===----------------------------------------------------------------------===//
+// Printing functions.
+//===----------------------------------------------------------------------===//
+
+void CheckerRegistryData::printCheckerWithDescList(
+    const AnalyzerOptions &AnOpts, 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 CheckerRegistryData::printEnabledCheckerList(raw_ostream &Out) const {
+  for (const auto *i : EnabledCheckers)
+    Out << i->FullName << '\n';
+}
+
+void CheckerRegistryData::printCheckerOptionList(const AnalyzerOptions &AnOpts,
+                                                 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";
+
+  // It's usually ill-advised to use multimap, but clang will terminate after
+  // this function.
+  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<const 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);
+  }
+}