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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/llvm14/tools/llvm-strings/llvm-strings.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/llvm14/tools/llvm-strings/llvm-strings.cpp')
-rw-r--r--contrib/libs/llvm14/tools/llvm-strings/llvm-strings.cpp186
1 files changed, 186 insertions, 0 deletions
diff --git a/contrib/libs/llvm14/tools/llvm-strings/llvm-strings.cpp b/contrib/libs/llvm14/tools/llvm-strings/llvm-strings.cpp
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+++ b/contrib/libs/llvm14/tools/llvm-strings/llvm-strings.cpp
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+//===-- llvm-strings.cpp - Printable String dumping utility ---------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This program is a utility that works like binutils "strings", that is, it
+// prints out printable strings in a binary, objdump, or archive file.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Opts.inc"
+#include "llvm/Object/Binary.h"
+#include "llvm/Option/Arg.h"
+#include "llvm/Option/ArgList.h"
+#include "llvm/Option/Option.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/Format.h"
+#include "llvm/Support/InitLLVM.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/Program.h"
+#include "llvm/Support/WithColor.h"
+#include <cctype>
+#include <string>
+
+using namespace llvm;
+using namespace llvm::object;
+
+namespace {
+enum ID {
+ OPT_INVALID = 0, // This is not an option ID.
+#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
+ HELPTEXT, METAVAR, VALUES) \
+ OPT_##ID,
+#include "Opts.inc"
+#undef OPTION
+};
+
+#define PREFIX(NAME, VALUE) const char *const NAME[] = VALUE;
+#include "Opts.inc"
+#undef PREFIX
+
+const opt::OptTable::Info InfoTable[] = {
+#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
+ HELPTEXT, METAVAR, VALUES) \
+ { \
+ PREFIX, NAME, HELPTEXT, \
+ METAVAR, OPT_##ID, opt::Option::KIND##Class, \
+ PARAM, FLAGS, OPT_##GROUP, \
+ OPT_##ALIAS, ALIASARGS, VALUES},
+#include "Opts.inc"
+#undef OPTION
+};
+
+class StringsOptTable : public opt::OptTable {
+public:
+ StringsOptTable() : OptTable(InfoTable) { setGroupedShortOptions(true); }
+};
+} // namespace
+
+static StringRef ToolName;
+
+static cl::list<std::string> InputFileNames(cl::Positional,
+ cl::desc("<input object files>"),
+ cl::ZeroOrMore);
+
+static int MinLength = 4;
+static bool PrintFileName;
+
+enum radix { none, octal, hexadecimal, decimal };
+static radix Radix;
+
+[[noreturn]] static void reportCmdLineError(const Twine &Message) {
+ WithColor::error(errs(), ToolName) << Message << "\n";
+ exit(1);
+}
+
+template <typename T>
+static void parseIntArg(const opt::InputArgList &Args, int ID, T &Value) {
+ if (const opt::Arg *A = Args.getLastArg(ID)) {
+ StringRef V(A->getValue());
+ if (!llvm::to_integer(V, Value, 0) || Value <= 0)
+ reportCmdLineError("expected a positive integer, but got '" + V + "'");
+ }
+}
+
+static void strings(raw_ostream &OS, StringRef FileName, StringRef Contents) {
+ auto print = [&OS, FileName](unsigned Offset, StringRef L) {
+ if (L.size() < static_cast<size_t>(MinLength))
+ return;
+ if (PrintFileName)
+ OS << FileName << ": ";
+ switch (Radix) {
+ case none:
+ break;
+ case octal:
+ OS << format("%7o ", Offset);
+ break;
+ case hexadecimal:
+ OS << format("%7x ", Offset);
+ break;
+ case decimal:
+ OS << format("%7u ", Offset);
+ break;
+ }
+ OS << L << '\n';
+ };
+
+ const char *B = Contents.begin();
+ const char *P = nullptr, *E = nullptr, *S = nullptr;
+ for (P = Contents.begin(), E = Contents.end(); P < E; ++P) {
+ if (isPrint(*P) || *P == '\t') {
+ if (S == nullptr)
+ S = P;
+ } else if (S) {
+ print(S - B, StringRef(S, P - S));
+ S = nullptr;
+ }
+ }
+ if (S)
+ print(S - B, StringRef(S, E - S));
+}
+
+int main(int argc, char **argv) {
+ InitLLVM X(argc, argv);
+ BumpPtrAllocator A;
+ StringSaver Saver(A);
+ StringsOptTable Tbl;
+ ToolName = argv[0];
+ opt::InputArgList Args =
+ Tbl.parseArgs(argc, argv, OPT_UNKNOWN, Saver,
+ [&](StringRef Msg) { reportCmdLineError(Msg); });
+ if (Args.hasArg(OPT_help)) {
+ Tbl.printHelp(
+ outs(),
+ (Twine(ToolName) + " [options] <input object files>").str().c_str(),
+ "llvm string dumper");
+ // TODO Replace this with OptTable API once it adds extrahelp support.
+ outs() << "\nPass @FILE as argument to read options from FILE.\n";
+ return 0;
+ }
+ if (Args.hasArg(OPT_version)) {
+ outs() << ToolName << '\n';
+ cl::PrintVersionMessage();
+ return 0;
+ }
+
+ parseIntArg(Args, OPT_bytes_EQ, MinLength);
+ PrintFileName = Args.hasArg(OPT_print_file_name);
+ StringRef R = Args.getLastArgValue(OPT_radix_EQ);
+ if (R.empty())
+ Radix = none;
+ else if (R == "o")
+ Radix = octal;
+ else if (R == "d")
+ Radix = decimal;
+ else if (R == "x")
+ Radix = hexadecimal;
+ else
+ reportCmdLineError("--radix value should be one of: '' (no offset), 'o' "
+ "(octal), 'd' (decimal), 'x' (hexadecimal)");
+
+ if (MinLength == 0) {
+ errs() << "invalid minimum string length 0\n";
+ return EXIT_FAILURE;
+ }
+
+ std::vector<std::string> InputFileNames = Args.getAllArgValues(OPT_INPUT);
+ if (InputFileNames.empty())
+ InputFileNames.push_back("-");
+
+ for (const auto &File : InputFileNames) {
+ ErrorOr<std::unique_ptr<MemoryBuffer>> Buffer =
+ MemoryBuffer::getFileOrSTDIN(File);
+ if (std::error_code EC = Buffer.getError())
+ errs() << File << ": " << EC.message() << '\n';
+ else
+ strings(llvm::outs(), File == "-" ? "{standard input}" : File,
+ Buffer.get()->getMemBufferRef().getBuffer());
+ }
+
+ return EXIT_SUCCESS;
+}