From 5aa5d282eac56a21e74611c1cdbaa97bb5db2dca Mon Sep 17 00:00:00 2001 From: Vincent Ambo Date: Tue, 8 Feb 2022 02:05:36 +0300 Subject: chore(3p/abseil_cpp): unvendor abseil_cpp we weren't actually using these sources anymore, okay? Change-Id: If701571d9716de308d3512e1eb22c35db0877a66 Reviewed-on: https://cl.tvl.fyi/c/depot/+/5248 Tested-by: BuildkiteCI Reviewed-by: grfn Autosubmit: tazjin --- .../absl/strings/internal/str_format/extension.h | 427 --------------------- 1 file changed, 427 deletions(-) delete mode 100644 third_party/abseil_cpp/absl/strings/internal/str_format/extension.h (limited to 'third_party/abseil_cpp/absl/strings/internal/str_format/extension.h') diff --git a/third_party/abseil_cpp/absl/strings/internal/str_format/extension.h b/third_party/abseil_cpp/absl/strings/internal/str_format/extension.h deleted file mode 100644 index a9b9e137deb2..000000000000 --- a/third_party/abseil_cpp/absl/strings/internal/str_format/extension.h +++ /dev/null @@ -1,427 +0,0 @@ -// -// Copyright 2017 The Abseil Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. -// -#ifndef ABSL_STRINGS_INTERNAL_STR_FORMAT_EXTENSION_H_ -#define ABSL_STRINGS_INTERNAL_STR_FORMAT_EXTENSION_H_ - -#include - -#include -#include -#include - -#include "absl/base/config.h" -#include "absl/base/port.h" -#include "absl/meta/type_traits.h" -#include "absl/strings/internal/str_format/output.h" -#include "absl/strings/string_view.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN - -enum class FormatConversionChar : uint8_t; -enum class FormatConversionCharSet : uint64_t; - -namespace str_format_internal { - -class FormatRawSinkImpl { - public: - // Implicitly convert from any type that provides the hook function as - // described above. - template (), string_view()))* = nullptr> - FormatRawSinkImpl(T* raw) // NOLINT - : sink_(raw), write_(&FormatRawSinkImpl::Flush) {} - - void Write(string_view s) { write_(sink_, s); } - - template - static FormatRawSinkImpl Extract(T s) { - return s.sink_; - } - - private: - template - static void Flush(void* r, string_view s) { - str_format_internal::InvokeFlush(static_cast(r), s); - } - - void* sink_; - void (*write_)(void*, string_view); -}; - -// An abstraction to which conversions write their string data. -class FormatSinkImpl { - public: - explicit FormatSinkImpl(FormatRawSinkImpl raw) : raw_(raw) {} - - ~FormatSinkImpl() { Flush(); } - - void Flush() { - raw_.Write(string_view(buf_, pos_ - buf_)); - pos_ = buf_; - } - - void Append(size_t n, char c) { - if (n == 0) return; - size_ += n; - auto raw_append = [&](size_t count) { - memset(pos_, c, count); - pos_ += count; - }; - while (n > Avail()) { - n -= Avail(); - if (Avail() > 0) { - raw_append(Avail()); - } - Flush(); - } - raw_append(n); - } - - void Append(string_view v) { - size_t n = v.size(); - if (n == 0) return; - size_ += n; - if (n >= Avail()) { - Flush(); - raw_.Write(v); - return; - } - memcpy(pos_, v.data(), n); - pos_ += n; - } - - size_t size() const { return size_; } - - // Put 'v' to 'sink' with specified width, precision, and left flag. - bool PutPaddedString(string_view v, int width, int precision, bool left); - - template - T Wrap() { - return T(this); - } - - template - static FormatSinkImpl* Extract(T* s) { - return s->sink_; - } - - private: - size_t Avail() const { return buf_ + sizeof(buf_) - pos_; } - - FormatRawSinkImpl raw_; - size_t size_ = 0; - char* pos_ = buf_; - char buf_[1024]; -}; - -struct Flags { - bool basic : 1; // fastest conversion: no flags, width, or precision - bool left : 1; // "-" - bool show_pos : 1; // "+" - bool sign_col : 1; // " " - bool alt : 1; // "#" - bool zero : 1; // "0" - std::string ToString() const; - friend std::ostream& operator<<(std::ostream& os, const Flags& v) { - return os << v.ToString(); - } -}; - -// clang-format off -#define ABSL_INTERNAL_CONVERSION_CHARS_EXPAND_(X_VAL, X_SEP) \ - /* text */ \ - X_VAL(c) X_SEP X_VAL(s) X_SEP \ - /* ints */ \ - X_VAL(d) X_SEP X_VAL(i) X_SEP X_VAL(o) X_SEP \ - X_VAL(u) X_SEP X_VAL(x) X_SEP X_VAL(X) X_SEP \ - /* floats */ \ - X_VAL(f) X_SEP X_VAL(F) X_SEP X_VAL(e) X_SEP X_VAL(E) X_SEP \ - X_VAL(g) X_SEP X_VAL(G) X_SEP X_VAL(a) X_SEP X_VAL(A) X_SEP \ - /* misc */ \ - X_VAL(n) X_SEP X_VAL(p) -// clang-format on - -// This type should not be referenced, it exists only to provide labels -// internally that match the values declared in FormatConversionChar in -// str_format.h. This is meant to allow internal libraries to use the same -// declared interface type as the public interface -// (absl::StrFormatConversionChar) while keeping the definition in a public -// header. -// Internal libraries should use the form -// `FormatConversionCharInternal::c`, `FormatConversionCharInternal::kNone` for -// comparisons. Use in switch statements is not recommended due to a bug in how -// gcc 4.9 -Wswitch handles declared but undefined enums. -struct FormatConversionCharInternal { - FormatConversionCharInternal() = delete; - - private: - // clang-format off - enum class Enum : uint8_t { - c, s, // text - d, i, o, u, x, X, // int - f, F, e, E, g, G, a, A, // float - n, p, // misc - kNone - }; - // clang-format on - public: -#define ABSL_INTERNAL_X_VAL(id) \ - static constexpr FormatConversionChar id = \ - static_cast(Enum::id); - ABSL_INTERNAL_CONVERSION_CHARS_EXPAND_(ABSL_INTERNAL_X_VAL, ) -#undef ABSL_INTERNAL_X_VAL - static constexpr FormatConversionChar kNone = - static_cast(Enum::kNone); -}; -// clang-format on - -inline FormatConversionChar FormatConversionCharFromChar(char c) { - switch (c) { -#define ABSL_INTERNAL_X_VAL(id) \ - case #id[0]: \ - return FormatConversionCharInternal::id; - ABSL_INTERNAL_CONVERSION_CHARS_EXPAND_(ABSL_INTERNAL_X_VAL, ) -#undef ABSL_INTERNAL_X_VAL - } - return FormatConversionCharInternal::kNone; -} - -inline bool FormatConversionCharIsUpper(FormatConversionChar c) { - if (c == FormatConversionCharInternal::X || - c == FormatConversionCharInternal::F || - c == FormatConversionCharInternal::E || - c == FormatConversionCharInternal::G || - c == FormatConversionCharInternal::A) { - return true; - } else { - return false; - } -} - -inline bool FormatConversionCharIsFloat(FormatConversionChar c) { - if (c == FormatConversionCharInternal::a || - c == FormatConversionCharInternal::e || - c == FormatConversionCharInternal::f || - c == FormatConversionCharInternal::g || - c == FormatConversionCharInternal::A || - c == FormatConversionCharInternal::E || - c == FormatConversionCharInternal::F || - c == FormatConversionCharInternal::G) { - return true; - } else { - return false; - } -} - -inline char FormatConversionCharToChar(FormatConversionChar c) { - if (c == FormatConversionCharInternal::kNone) { - return '\0'; - -#define ABSL_INTERNAL_X_VAL(e) \ - } else if (c == FormatConversionCharInternal::e) { \ - return #e[0]; -#define ABSL_INTERNAL_X_SEP - ABSL_INTERNAL_CONVERSION_CHARS_EXPAND_(ABSL_INTERNAL_X_VAL, - ABSL_INTERNAL_X_SEP) - } else { - return '\0'; - } - -#undef ABSL_INTERNAL_X_VAL -#undef ABSL_INTERNAL_X_SEP -} - -// The associated char. -inline std::ostream& operator<<(std::ostream& os, FormatConversionChar v) { - char c = FormatConversionCharToChar(v); - if (!c) c = '?'; - return os << c; -} - -struct FormatConversionSpecImplFriend; - -class FormatConversionSpecImpl { - public: - // Width and precison are not specified, no flags are set. - bool is_basic() const { return flags_.basic; } - bool has_left_flag() const { return flags_.left; } - bool has_show_pos_flag() const { return flags_.show_pos; } - bool has_sign_col_flag() const { return flags_.sign_col; } - bool has_alt_flag() const { return flags_.alt; } - bool has_zero_flag() const { return flags_.zero; } - - FormatConversionChar conversion_char() const { - // Keep this field first in the struct . It generates better code when - // accessing it when ConversionSpec is passed by value in registers. - static_assert(offsetof(FormatConversionSpecImpl, conv_) == 0, ""); - return conv_; - } - - // Returns the specified width. If width is unspecfied, it returns a negative - // value. - int width() const { return width_; } - // Returns the specified precision. If precision is unspecfied, it returns a - // negative value. - int precision() const { return precision_; } - - template - T Wrap() { - return T(*this); - } - - private: - friend struct str_format_internal::FormatConversionSpecImplFriend; - FormatConversionChar conv_ = FormatConversionCharInternal::kNone; - Flags flags_; - int width_; - int precision_; -}; - -struct FormatConversionSpecImplFriend final { - static void SetFlags(Flags f, FormatConversionSpecImpl* conv) { - conv->flags_ = f; - } - static void SetConversionChar(FormatConversionChar c, - FormatConversionSpecImpl* conv) { - conv->conv_ = c; - } - static void SetWidth(int w, FormatConversionSpecImpl* conv) { - conv->width_ = w; - } - static void SetPrecision(int p, FormatConversionSpecImpl* conv) { - conv->precision_ = p; - } - static std::string FlagsToString(const FormatConversionSpecImpl& spec) { - return spec.flags_.ToString(); - } -}; - -// Type safe OR operator. -// We need this for two reasons: -// 1. operator| on enums makes them decay to integers and the result is an -// integer. We need the result to stay as an enum. -// 2. We use "enum class" which would not work even if we accepted the decay. -constexpr FormatConversionCharSet FormatConversionCharSetUnion( - FormatConversionCharSet a) { - return a; -} - -template -constexpr FormatConversionCharSet FormatConversionCharSetUnion( - FormatConversionCharSet a, CharSet... rest) { - return static_cast( - static_cast(a) | - static_cast(FormatConversionCharSetUnion(rest...))); -} - -constexpr uint64_t FormatConversionCharToConvInt(FormatConversionChar c) { - return uint64_t{1} << (1 + static_cast(c)); -} - -constexpr uint64_t FormatConversionCharToConvInt(char conv) { - return -#define ABSL_INTERNAL_CHAR_SET_CASE(c) \ - conv == #c[0] \ - ? FormatConversionCharToConvInt(FormatConversionCharInternal::c) \ - : - ABSL_INTERNAL_CONVERSION_CHARS_EXPAND_(ABSL_INTERNAL_CHAR_SET_CASE, ) -#undef ABSL_INTERNAL_CHAR_SET_CASE - conv == '*' - ? 1 - : 0; -} - -constexpr FormatConversionCharSet FormatConversionCharToConvValue(char conv) { - return static_cast( - FormatConversionCharToConvInt(conv)); -} - -struct FormatConversionCharSetInternal { -#define ABSL_INTERNAL_CHAR_SET_CASE(c) \ - static constexpr FormatConversionCharSet c = \ - FormatConversionCharToConvValue(#c[0]); - ABSL_INTERNAL_CONVERSION_CHARS_EXPAND_(ABSL_INTERNAL_CHAR_SET_CASE, ) -#undef ABSL_INTERNAL_CHAR_SET_CASE - - // Used for width/precision '*' specification. - static constexpr FormatConversionCharSet kStar = - FormatConversionCharToConvValue('*'); - - static constexpr FormatConversionCharSet kIntegral = - FormatConversionCharSetUnion(d, i, u, o, x, X); - static constexpr FormatConversionCharSet kFloating = - FormatConversionCharSetUnion(a, e, f, g, A, E, F, G); - static constexpr FormatConversionCharSet kNumeric = - FormatConversionCharSetUnion(kIntegral, kFloating); - static constexpr FormatConversionCharSet kPointer = p; -}; - -// Type safe OR operator. -// We need this for two reasons: -// 1. operator| on enums makes them decay to integers and the result is an -// integer. We need the result to stay as an enum. -// 2. We use "enum class" which would not work even if we accepted the decay. -constexpr FormatConversionCharSet operator|(FormatConversionCharSet a, - FormatConversionCharSet b) { - return FormatConversionCharSetUnion(a, b); -} - -// Overloaded conversion functions to support absl::ParsedFormat. -// Get a conversion with a single character in it. -constexpr FormatConversionCharSet ToFormatConversionCharSet(char c) { - return static_cast( - FormatConversionCharToConvValue(c)); -} - -// Get a conversion with a single character in it. -constexpr FormatConversionCharSet ToFormatConversionCharSet( - FormatConversionCharSet c) { - return c; -} - -template -void ToFormatConversionCharSet(T) = delete; - -// Checks whether `c` exists in `set`. -constexpr bool Contains(FormatConversionCharSet set, char c) { - return (static_cast(set) & - static_cast(FormatConversionCharToConvValue(c))) != 0; -} - -// Checks whether all the characters in `c` are contained in `set` -constexpr bool Contains(FormatConversionCharSet set, - FormatConversionCharSet c) { - return (static_cast(set) & static_cast(c)) == - static_cast(c); -} - -// Checks whether all the characters in `c` are contained in `set` -constexpr bool Contains(FormatConversionCharSet set, FormatConversionChar c) { - return (static_cast(set) & FormatConversionCharToConvInt(c)) != 0; -} - -// Return capacity - used, clipped to a minimum of 0. -inline size_t Excess(size_t used, size_t capacity) { - return used < capacity ? capacity - used : 0; -} - -} // namespace str_format_internal - -ABSL_NAMESPACE_END -} // namespace absl - -#endif // ABSL_STRINGS_INTERNAL_STR_FORMAT_EXTENSION_H_ -- cgit 1.4.1