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author | Erwin Jansen <jansene@google.com> | 2021-06-23 05:52:25 -0700 |
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committer | Erwin Jansen <jansene@google.com> | 2021-06-23 06:45:54 -0700 |
commit | 16be34ae72cdb525c88c2b31b21b976f35fe36d8 (patch) | |
tree | 6eacaffe4bebf8e00c290c1e1839e084b0c52e88 /third_party/abseil-cpp/absl/strings/internal/str_format/parser.cc | |
parent | 97e54a7e73c7b24e464ef06ef3c3b3716f21bb15 (diff) | |
parent | 49cb4599560d6005d5df0dadfca2db04b288f216 (diff) | |
download | webrtc-16be34ae72cdb525c88c2b31b21b976f35fe36d8.tar.gz |
Merge upstream-master and enable ARM64
We bring in the latest WebRTC changes and turn on arm.
This adds a new third party lib: crc32c, and includes a workaround
for handling a depencency issue for arm.
Bug: 191745658
Change-Id: Ic5be99911990ef14a5f733f19394032b20f85024
Diffstat (limited to 'third_party/abseil-cpp/absl/strings/internal/str_format/parser.cc')
-rw-r--r-- | third_party/abseil-cpp/absl/strings/internal/str_format/parser.cc | 135 |
1 files changed, 62 insertions, 73 deletions
diff --git a/third_party/abseil-cpp/absl/strings/internal/str_format/parser.cc b/third_party/abseil-cpp/absl/strings/internal/str_format/parser.cc index f308d02351..2c9c07dacc 100644 --- a/third_party/abseil-cpp/absl/strings/internal/str_format/parser.cc +++ b/third_party/abseil-cpp/absl/strings/internal/str_format/parser.cc @@ -34,60 +34,67 @@ namespace str_format_internal { using CC = FormatConversionCharInternal; using LM = LengthMod; +// Abbreviations to fit in the table below. +constexpr auto f_sign = Flags::kSignCol; +constexpr auto f_alt = Flags::kAlt; +constexpr auto f_pos = Flags::kShowPos; +constexpr auto f_left = Flags::kLeft; +constexpr auto f_zero = Flags::kZero; + ABSL_CONST_INIT const ConvTag kTags[256] = { - {}, {}, {}, {}, {}, {}, {}, {}, // 00-07 - {}, {}, {}, {}, {}, {}, {}, {}, // 08-0f - {}, {}, {}, {}, {}, {}, {}, {}, // 10-17 - {}, {}, {}, {}, {}, {}, {}, {}, // 18-1f - {}, {}, {}, {}, {}, {}, {}, {}, // 20-27 - {}, {}, {}, {}, {}, {}, {}, {}, // 28-2f - {}, {}, {}, {}, {}, {}, {}, {}, // 30-37 - {}, {}, {}, {}, {}, {}, {}, {}, // 38-3f - {}, CC::A, {}, {}, {}, CC::E, CC::F, CC::G, // @ABCDEFG - {}, {}, {}, {}, LM::L, {}, {}, {}, // HIJKLMNO - {}, {}, {}, {}, {}, {}, {}, {}, // PQRSTUVW - CC::X, {}, {}, {}, {}, {}, {}, {}, // XYZ[\]^_ - {}, CC::a, {}, CC::c, CC::d, CC::e, CC::f, CC::g, // `abcdefg - LM::h, CC::i, LM::j, {}, LM::l, {}, CC::n, CC::o, // hijklmno - CC::p, LM::q, {}, CC::s, LM::t, CC::u, {}, {}, // pqrstuvw - CC::x, {}, LM::z, {}, {}, {}, {}, {}, // xyz{|}! - {}, {}, {}, {}, {}, {}, {}, {}, // 80-87 - {}, {}, {}, {}, {}, {}, {}, {}, // 88-8f - {}, {}, {}, {}, {}, {}, {}, {}, // 90-97 - {}, {}, {}, {}, {}, {}, {}, {}, // 98-9f - {}, {}, {}, {}, {}, {}, {}, {}, // a0-a7 - {}, {}, {}, {}, {}, {}, {}, {}, // a8-af - {}, {}, {}, {}, {}, {}, {}, {}, // b0-b7 - {}, {}, {}, {}, {}, {}, {}, {}, // b8-bf - {}, {}, {}, {}, {}, {}, {}, {}, // c0-c7 - {}, {}, {}, {}, {}, {}, {}, {}, // c8-cf - {}, {}, {}, {}, {}, {}, {}, {}, // d0-d7 - {}, {}, {}, {}, {}, {}, {}, {}, // d8-df - {}, {}, {}, {}, {}, {}, {}, {}, // e0-e7 - {}, {}, {}, {}, {}, {}, {}, {}, // e8-ef - {}, {}, {}, {}, {}, {}, {}, {}, // f0-f7 - {}, {}, {}, {}, {}, {}, {}, {}, // f8-ff + {}, {}, {}, {}, {}, {}, {}, {}, // 00-07 + {}, {}, {}, {}, {}, {}, {}, {}, // 08-0f + {}, {}, {}, {}, {}, {}, {}, {}, // 10-17 + {}, {}, {}, {}, {}, {}, {}, {}, // 18-1f + f_sign, {}, {}, f_alt, {}, {}, {}, {}, // !"#$%&' + {}, {}, {}, f_pos, {}, f_left, {}, {}, // ()*+,-./ + f_zero, {}, {}, {}, {}, {}, {}, {}, // 01234567 + {}, {}, {}, {}, {}, {}, {}, {}, // 89:;<=>? + {}, CC::A, {}, {}, {}, CC::E, CC::F, CC::G, // @ABCDEFG + {}, {}, {}, {}, LM::L, {}, {}, {}, // HIJKLMNO + {}, {}, {}, {}, {}, {}, {}, {}, // PQRSTUVW + CC::X, {}, {}, {}, {}, {}, {}, {}, // XYZ[\]^_ + {}, CC::a, {}, CC::c, CC::d, CC::e, CC::f, CC::g, // `abcdefg + LM::h, CC::i, LM::j, {}, LM::l, {}, CC::n, CC::o, // hijklmno + CC::p, LM::q, {}, CC::s, LM::t, CC::u, {}, {}, // pqrstuvw + CC::x, {}, LM::z, {}, {}, {}, {}, {}, // xyz{|}! + {}, {}, {}, {}, {}, {}, {}, {}, // 80-87 + {}, {}, {}, {}, {}, {}, {}, {}, // 88-8f + {}, {}, {}, {}, {}, {}, {}, {}, // 90-97 + {}, {}, {}, {}, {}, {}, {}, {}, // 98-9f + {}, {}, {}, {}, {}, {}, {}, {}, // a0-a7 + {}, {}, {}, {}, {}, {}, {}, {}, // a8-af + {}, {}, {}, {}, {}, {}, {}, {}, // b0-b7 + {}, {}, {}, {}, {}, {}, {}, {}, // b8-bf + {}, {}, {}, {}, {}, {}, {}, {}, // c0-c7 + {}, {}, {}, {}, {}, {}, {}, {}, // c8-cf + {}, {}, {}, {}, {}, {}, {}, {}, // d0-d7 + {}, {}, {}, {}, {}, {}, {}, {}, // d8-df + {}, {}, {}, {}, {}, {}, {}, {}, // e0-e7 + {}, {}, {}, {}, {}, {}, {}, {}, // e8-ef + {}, {}, {}, {}, {}, {}, {}, {}, // f0-f7 + {}, {}, {}, {}, {}, {}, {}, {}, // f8-ff }; namespace { bool CheckFastPathSetting(const UnboundConversion& conv) { - bool should_be_basic = !conv.flags.left && // - !conv.flags.show_pos && // - !conv.flags.sign_col && // - !conv.flags.alt && // - !conv.flags.zero && // - (conv.width.value() == -1) && - (conv.precision.value() == -1); - if (should_be_basic != conv.flags.basic) { + bool width_precision_needed = + conv.width.value() >= 0 || conv.precision.value() >= 0; + if (width_precision_needed && conv.flags == Flags::kBasic) { fprintf(stderr, "basic=%d left=%d show_pos=%d sign_col=%d alt=%d zero=%d " "width=%d precision=%d\n", - conv.flags.basic, conv.flags.left, conv.flags.show_pos, - conv.flags.sign_col, conv.flags.alt, conv.flags.zero, - conv.width.value(), conv.precision.value()); + conv.flags == Flags::kBasic ? 1 : 0, + FlagsContains(conv.flags, Flags::kLeft) ? 1 : 0, + FlagsContains(conv.flags, Flags::kShowPos) ? 1 : 0, + FlagsContains(conv.flags, Flags::kSignCol) ? 1 : 0, + FlagsContains(conv.flags, Flags::kAlt) ? 1 : 0, + FlagsContains(conv.flags, Flags::kZero) ? 1 : 0, conv.width.value(), + conv.precision.value()); + return false; } - return should_be_basic == conv.flags.basic; + return true; } template <bool is_positional> @@ -131,40 +138,21 @@ const char *ConsumeConversion(const char *pos, const char *const end, ABSL_FORMAT_PARSER_INTERNAL_GET_CHAR(); // We should start with the basic flag on. - assert(conv->flags.basic); + assert(conv->flags == Flags::kBasic); // Any non alpha character makes this conversion not basic. // This includes flags (-+ #0), width (1-9, *) or precision (.). // All conversion characters and length modifiers are alpha characters. if (c < 'A') { - conv->flags.basic = false; - - for (; c <= '0';) { - // FIXME: We might be able to speed this up reusing the lookup table from - // above. It might require changing Flags to be a plain integer where we - // can |= a value. - switch (c) { - case '-': - conv->flags.left = true; - break; - case '+': - conv->flags.show_pos = true; - break; - case ' ': - conv->flags.sign_col = true; - break; - case '#': - conv->flags.alt = true; - break; - case '0': - conv->flags.zero = true; - break; - default: - goto flags_done; + while (c <= '0') { + auto tag = GetTagForChar(c); + if (tag.is_flags()) { + conv->flags = conv->flags | tag.as_flags(); + ABSL_FORMAT_PARSER_INTERNAL_GET_CHAR(); + } else { + break; } - ABSL_FORMAT_PARSER_INTERNAL_GET_CHAR(); } -flags_done: if (c <= '9') { if (c >= '0') { @@ -173,12 +161,12 @@ flags_done: if (ABSL_PREDICT_FALSE(*next_arg != 0)) return nullptr; // Positional conversion. *next_arg = -1; - conv->flags = Flags(); - conv->flags.basic = true; return ConsumeConversion<true>(original_pos, end, conv, next_arg); } + conv->flags = conv->flags | Flags::kNonBasic; conv->width.set_value(maybe_width); } else if (c == '*') { + conv->flags = conv->flags | Flags::kNonBasic; ABSL_FORMAT_PARSER_INTERNAL_GET_CHAR(); if (is_positional) { if (ABSL_PREDICT_FALSE(c < '1' || c > '9')) return nullptr; @@ -192,6 +180,7 @@ flags_done: } if (c == '.') { + conv->flags = conv->flags | Flags::kNonBasic; ABSL_FORMAT_PARSER_INTERNAL_GET_CHAR(); if (std::isdigit(c)) { conv->precision.set_value(parse_digits()); |