Update re2

third_party/re2/BUILD

Index: third_party/re2/BUILD
diff --git a/third_party/re2/BUILD b/third_party/re2/BUILD
new file mode 100644
index 0000000000000000000000000000000000000000..9ab54b3fc313b09486d2479db4a9037d0d857cd0
--- /dev/null
+++ b/third_party/re2/BUILD
@@ -0,0 +1,121 @@
+# Copyright 2009 The RE2 Authors.  All Rights Reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+
+# Bazel (http://bazel.io/) BUILD file for RE2.
+
+licenses(["notice"])
+
+cc_library(
+    name = "re2",
+    srcs = [
+        "re2/bitstate.cc",
+        "re2/compile.cc",
+        "re2/dfa.cc",
+        "re2/filtered_re2.cc",
+        "re2/mimics_pcre.cc",
+        "re2/nfa.cc",
+        "re2/onepass.cc",
+        "re2/parse.cc",
+        "re2/perl_groups.cc",
+        "re2/prefilter.cc",
+        "re2/prefilter.h",
+        "re2/prefilter_tree.cc",
+        "re2/prefilter_tree.h",
+        "re2/prog.cc",
+        "re2/prog.h",
+        "re2/re2.cc",
+        "re2/regexp.cc",
+        "re2/regexp.h",
+        "re2/set.cc",
+        "re2/simplify.cc",
+        "re2/stringpiece.cc",
+        "re2/tostring.cc",
+        "re2/unicode_casefold.cc",
+        "re2/unicode_casefold.h",
+        "re2/unicode_groups.cc",
+        "re2/unicode_groups.h",
+        "re2/walker-inl.h",
+        "util/atomicops.h",
+        "util/flags.h",
+        "util/hash.cc",
+        "util/logging.cc",
+        "util/logging.h",
+        "util/mutex.h",
+        "util/rune.cc",
+        "util/sparse_array.h",
+        "util/sparse_set.h",
+        "util/stringprintf.cc",
+        "util/strutil.cc",
+        "util/utf.h",
+        "util/util.h",
+        "util/valgrind.cc",
+        "util/valgrind.h",
+    ],
+    hdrs = [
+        "re2/filtered_re2.h",
+        "re2/re2.h",
+        "re2/set.h",
+        "re2/stringpiece.h",
+        "re2/variadic_function.h",
+    ],
+    includes = ["."],
+    linkopts = ["-pthread"],
+    visibility = ["//visibility:public"],
+)
+
+cc_library(
+    name = "test",
+    testonly = 1,
+    srcs = [
+        "re2/testing/backtrack.cc",
+        "re2/testing/dump.cc",
+        "re2/testing/exhaustive_tester.cc",
+        "re2/testing/null_walker.cc",
+        "re2/testing/regexp_generator.cc",
+        "re2/testing/string_generator.cc",
+        "re2/testing/tester.cc",
+        "util/pcre.cc",
+        "util/random.cc",
+        "util/test.cc",
+        "util/thread.cc",
+    ],
+    hdrs = [
+        "re2/testing/exhaustive_tester.h",
+        "re2/testing/regexp_generator.h",
+        "re2/testing/string_generator.h",
+        "re2/testing/tester.h",
+        "util/pcre.h",
+        "util/random.h",
+        "util/test.h",
+        "util/thread.h",
+    ],
+    includes = ["."],
+    deps = [":re2"],
+)
+
+load("re2_test", "re2_test")
+
+re2_test("charclass_test")
+re2_test("compile_test")
+re2_test("filtered_re2_test")
+re2_test("mimics_pcre_test")
+re2_test("parse_test")
+re2_test("possible_match_test")
+re2_test("re2_test")
+re2_test("re2_arg_test")
+re2_test("regexp_test")
+re2_test("required_prefix_test")
+re2_test("search_test")
+re2_test("set_test")
+re2_test("simplify_test")
+re2_test("string_generator_test")
+
+re2_test("dfa_test")
+re2_test("exhaustive1_test")
+re2_test("exhaustive2_test")
+re2_test("exhaustive3_test")
+re2_test("exhaustive_test")
+re2_test("random_test")
+
+# TODO: Add support for regexp_benchmark.