Add Bazel build to CI (#623)

Add Bazel to CI using Bazelisk from the GitHub test runners.

Fix many things in the Bazel build file... and also add basic testing which executes pcre2test using RunTest.

---------

Co-authored-by: zaucy <zekewarren@gmail.com>

Author: NWilson

.bazelrc

@@ -210,8 +210,8 @@ jobs:
     steps:
       - name: Setup
         run: |
-          sudo apt-get update
-          sudo apt-get install -y valgrind
+          sudo apt-get -qq update
+          sudo apt-get -qq install -y valgrind
 
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
@@ -274,6 +274,27 @@ jobs:
       - name: Test
         run: cd build && ctest -j3 --output-on-failure
 
+  bazel:
+    # Tests with: Bazel build system
+    name: Bazel
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ["ubuntu-latest", "windows-latest"]
+    runs-on: ${{ matrix.os }}
+    if: github.event_name != 'pull_request'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          submodules: true
+
+      - name: Build
+        run: bazelisk build //... --enable_runfiles --incompatible_strict_action_env
+
+      - name: Test
+        run: bazelisk test //... --enable_runfiles --incompatible_strict_action_env --test_output=all
+
   heron:
     # Job to verify that the tasks performed by PrepareRelease have been done. It is
     # the committer's responsibility (currently) to run PrepareRelease themselves when

.github/workflows/dev.yml

@@ -96,6 +96,7 @@ src/pcre2_chartables.c
 src/stamp-h1
 
 /bazel-*
+*.bazel.lock
 
 zig-out/
 zig-cache/

.gitignore

@@ -1,5 +1,6 @@
-load("@rules_cc//cc:defs.bzl", "cc_library", "cc_test")
 load("@bazel_skylib//rules:copy_file.bzl", "copy_file")
+load("@bazel_skylib//rules:native_binary.bzl", "native_test")
+load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library")
 
 copy_file(
     name = "config_h_generic",
@@ -36,6 +37,7 @@ cc_library(
         "src/pcre2_error.c",
         "src/pcre2_extuni.c",
         "src/pcre2_find_bracket.c",
+        "src/pcre2_jit_compile.c",
         "src/pcre2_maketables.c",
         "src/pcre2_match.c",
         "src/pcre2_match_data.c",
@@ -53,24 +55,118 @@ cc_library(
         "src/pcre2_valid_utf.c",
         "src/pcre2_xclass.c",
         ":pcre2_chartables_c",
-    ],
-    hdrs = glob(["src/*.h"]) + [
+        "src/pcre2_compile.h",
+        "src/pcre2_internal.h",
+        "src/pcre2_intmodedep.h",
+        "src/pcre2_ucp.h",
+        "src/pcre2_util.h",
         ":config_h_generic",
+    ],
+    textual_hdrs = [
+        "src/pcre2_jit_match.c",
+        "src/pcre2_jit_misc.c",
+        "src/pcre2_ucptables.c",
+    ],
+    hdrs = [
         ":pcre2_h_generic",
     ],
-    defines = [
+    local_defines = [
         "HAVE_CONFIG_H",
+        "HAVE_MEMMOVE",
         "PCRE2_CODE_UNIT_WIDTH=8",
         "PCRE2_STATIC",
+        "SUPPORT_UNICODE",
     ],
     includes = ["src"],
     strip_include_prefix = "src",
     visibility = ["//visibility:public"],
 )
 
-cc_binary(
-    name = "pcre2demo",
-    srcs = ["src/pcre2demo.c"],
+cc_library(
+    name = "pcre2-posix",
+    srcs = [
+        "src/pcre2posix.c",
+        ":config_h_generic",
+    ],
+    hdrs = [
+        "src/pcre2posix.h",
+    ],
+    local_defines = [
+        "HAVE_CONFIG_H",
+        "HAVE_MEMMOVE",
+        "PCRE2_CODE_UNIT_WIDTH=8",
+        "PCRE2_STATIC",
+        "SUPPORT_UNICODE",
+    ],
+    includes = ["src"],
+    strip_include_prefix = "src",
     visibility = ["//visibility:public"],
     deps = [":pcre2"],
 )
+
+# Totally weird issue in Bazel. It won't let you #include any files unless they
+# are declared to the build system. OK, fair enough. But - for a cc_binary it
+# uses the file extension to determine whether it's a header or a compilation
+# unit. But... we have several .c files which are #included, rather than treated
+# as a compilation unit.
+#
+# For cc_library() above, we can overcome this with textual_hdrs. But that
+# doesn't work for cc_binary(). Here's our workaround.
+#
+# https://github.com/bazelbuild/bazel/issues/680
+cc_library(
+    name = "pcre2test_dotc_headers",
+    hdrs = [
+        "src/pcre2_chkdint.c",
+        "src/pcre2_printint.c",
+        "src/pcre2_tables.c",
+        "src/pcre2_ucd.c",
+        "src/pcre2_valid_utf.c",
+    ],
+    strip_include_prefix = "src",
+    visibility = ["//visibility:private"],
+)
+
+cc_binary(
+    name = "pcre2test",
+    srcs = [
+        "src/pcre2test.c",
+        ":config_h_generic",
+    ],
+    local_defines = [
+        "HAVE_CONFIG_H",
+        "HAVE_MEMMOVE",
+        "HAVE_STRERROR",
+        "PCRE2_STATIC",
+        "SUPPORT_UNICODE",
+        "SUPPORT_PCRE2_8",
+    ] + select({
+        "@platforms//os:windows": [],
+        "//conditions:default": ["HAVE_UNISTD_H"],
+    }),
+    linkopts = select({
+        "@platforms//os:windows": ["-STACK:2500000"],
+        "//conditions:default": [],
+    }),
+    visibility = ["//visibility:public"],
+    deps = [":pcre2test_dotc_headers", ":pcre2", ":pcre2-posix"],
+)
+
+filegroup(
+    name = "testdata",
+    srcs = glob(["testdata/*"]),
+)
+
+native_test(
+    name = "pcre2_test",
+    src = select({
+        "@platforms//os:windows": "RunTest.bat",
+        "//conditions:default": "RunTest",
+    }),
+    out = select({
+        "@platforms//os:windows": "RunTest.bat",
+        "//conditions:default": "RunTest",
+    }),
+    data = [":pcre2test", ":testdata"],
+    size = "small",
+)

BUILD.bazel

@@ -1,8 +1,9 @@
 module(
     name = "pcre2",
-    version = "10.40",
+    version = "10.45-DEV",
     compatibility_level = 1,
 )
 
 bazel_dep(name = "rules_cc", version = "0.0.1")
 bazel_dep(name = "bazel_skylib", version = "1.2.1")
+bazel_dep(name = "platforms", version = "0.0.4")

MODULE.bazel

@@ -39,7 +39,7 @@ if exist ..\testdata\ set srcdir=..)
 if [%srcdir%]==[] (
 if exist ..\..\testdata\ set srcdir=..\..)
 if NOT exist %srcdir%\testdata\ (
-Error: echo distribution testdata folder not found!
+echo Error: distribution testdata folder not found!
 call :conferror
 exit /b 1
 goto :eof