106 lines
3.8 KiB
Ruby
106 lines
3.8 KiB
Ruby
class Pcre2 < Formula
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desc "Perl compatible regular expressions library with a new API"
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homepage "https://www.pcre.org/"
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license "BSD-3-Clause"
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revision 1
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head "svn://vcs.exim.org/pcre2/code/trunk"
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# remove stable block on next release with merged patch
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stable do
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url "https://ftp.pcre.org/pub/pcre/pcre2-10.37.tar.bz2"
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sha256 "4d95a96e8b80529893b4562be12648d798b957b1ba1aae39606bbc2ab956d270"
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# fix invalid single character repetition issues in JIT
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# upstream revision: https://vcs.pcre.org/pcre2?view=revision&revision=1315
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# remove in the next release
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patch :DATA
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end
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livecheck do
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url "https://ftp.pcre.org/pub/pcre/"
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regex(/href=.*?pcre2[._-]v?(\d+(?:\.\d+)+)\.t/i)
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end
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bottle do
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sha256 cellar: :any, arm64_big_sur: "eeda1a0642a9e2a3f32d0588605f29e2a5671dc6bd9e45394c3026cd79786c64"
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sha256 cellar: :any, big_sur: "2e885570c4dc2eaa61e7a02c66631f9333bbb42f8602d8293e7ce022861ae11e"
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sha256 cellar: :any, catalina: "0e40c8534a5fc26eedbbfb487cf437e8b231e0054ccb61c696834416b7160ac7"
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sha256 cellar: :any, mojave: "c6932648a712a0603d786b4b8868a21519eeb13592cf49261359c3c4b0c5665e"
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sha256 cellar: :any_skip_relocation, x86_64_linux: "f6ec10a997623297bbbf00d0d5854235694c7326ea0296690f89416d7e32ddba"
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end
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uses_from_macos "bzip2"
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uses_from_macos "zlib"
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def install
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args = %W[
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--disable-dependency-tracking
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--prefix=#{prefix}
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--enable-pcre2-16
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--enable-pcre2-32
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--enable-pcre2grep-libz
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--enable-pcre2grep-libbz2
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]
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# JIT not currently supported for Apple Silicon
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args << "--enable-jit" unless Hardware::CPU.arm?
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system "./configure", *args
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system "make"
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system "make", "install"
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end
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test do
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system bin/"pcre2grep", "regular expression", prefix/"README"
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end
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end
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__END__
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--- a/src/pcre2_jit_compile.c
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+++ b/src/pcre2_jit_compile.c
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@@ -1236,15 +1236,16 @@ start:
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return: current number of iterators enhanced with fast fail
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*/
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-static int detect_early_fail(compiler_common *common, PCRE2_SPTR cc, int *private_data_start, sljit_s32 depth, int start)
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+static int detect_early_fail(compiler_common *common, PCRE2_SPTR cc, int *private_data_start,
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+ sljit_s32 depth, int start, BOOL fast_forward_allowed)
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{
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PCRE2_SPTR begin = cc;
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PCRE2_SPTR next_alt;
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PCRE2_SPTR end;
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PCRE2_SPTR accelerated_start;
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+BOOL prev_fast_forward_allowed;
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int result = 0;
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int count;
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-BOOL fast_forward_allowed = TRUE;
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SLJIT_ASSERT(*cc == OP_ONCE || *cc == OP_BRA || *cc == OP_CBRA);
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SLJIT_ASSERT(*cc != OP_CBRA || common->optimized_cbracket[GET2(cc, 1 + LINK_SIZE)] != 0);
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@@ -1476,6 +1477,7 @@ do
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case OP_CBRA:
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end = cc + GET(cc, 1);
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+ prev_fast_forward_allowed = fast_forward_allowed;
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fast_forward_allowed = FALSE;
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if (depth >= 4)
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break;
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@@ -1484,7 +1486,7 @@ do
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if (*end != OP_KET || (*cc == OP_CBRA && common->optimized_cbracket[GET2(cc, 1 + LINK_SIZE)] == 0))
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break;
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- count = detect_early_fail(common, cc, private_data_start, depth + 1, count);
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+ count = detect_early_fail(common, cc, private_data_start, depth + 1, count, prev_fast_forward_allowed);
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if (PRIVATE_DATA(cc) != 0)
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common->private_data_ptrs[begin - common->start] = 1;
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@@ -13657,7 +13659,7 @@ memset(common->private_data_ptrs, 0, total_length * sizeof(sljit_s32));
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private_data_size = common->cbra_ptr + (re->top_bracket + 1) * sizeof(sljit_sw);
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if ((re->overall_options & PCRE2_ANCHORED) == 0 && (re->overall_options & PCRE2_NO_START_OPTIMIZE) == 0 && !common->has_skip_in_assert_back)
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- detect_early_fail(common, common->start, &private_data_size, 0, 0);
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+ detect_early_fail(common, common->start, &private_data_size, 0, 0, TRUE);
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set_private_data_ptrs(common, &private_data_size, ccend);
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