load("@llvm//toolchain/runtimes:cc_runtime_library.bzl", "cc_runtime_stage0_library")
load("@rules_cc//cc:defs.bzl", "cc_library")

package(default_visibility = ["//visibility:public"])

config_setting(
    name = "is_linux",
    constraint_values = ["@platforms//os:linux"],
)

config_setting(
    name = "is_windows",
    constraint_values = ["@platforms//os:windows"],
)

cc_library(
    name = "headers",
    hdrs = glob(["include/**"]),
    strip_include_prefix = "include",
)

cc_runtime_stage0_library(
    name = "libcxxabi",
    srcs = [
        "src/abort_message.cpp",
        "src/cxa_aux_runtime.cpp",
        "src/cxa_default_handlers.cpp",
        "src/cxa_demangle.cpp",
        "src/cxa_exception.cpp",
        "src/cxa_exception_storage.cpp",
        "src/cxa_guard.cpp",
        "src/cxa_handlers.cpp",
        "src/cxa_personality.cpp",
        "src/cxa_vector.cpp",
        "src/cxa_virtual.cpp",
        "src/fallback_malloc.cpp",
        "src/private_typeinfo.cpp",
        "src/stdlib_exception.cpp",
        "src/stdlib_stdexcept.cpp",
        "src/stdlib_typeinfo.cpp",
    ] + select({
        ":is_linux": ["src/cxa_thread_atexit.cpp"],
        "//conditions:default": [],
    }),
    copts = [
        "-fexceptions",
        "-frtti",
        "-fstrict-aliasing",
        "-fvisibility=hidden",
        "-fvisibility-inlines-hidden",
        "-nostdinc++",
        "-std=c++23",
        "-Wno-nullability-completeness",
        "-Wno-unused-parameter",
        "-Wundef",
    ] + select({
        ":is_windows": ["-Wno-macro-redefined"],
        "//conditions:default": ["-fPIC"],
    }),
    defines = [
        "LIBCXXABI_SILENT_TERMINATE",
        "_LIBCPP_BUILDING_LIBRARY",
        "_LIBCPP_CONSTINIT=constinit",
        "_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS",
        "_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_EXTENSIVE",
        "_LIBCPP_INSTRUMENTED_WITH_ASAN=0",
        "_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS",
    ] + select({
        "@llvm//platforms/config:musl": [
            "ANDROID_HOST_MUSL",
        ],
        "//conditions:default": [],
    }),
    implementation_deps = [
        ":headers",
        "@//third_party/v8/libcxx_config:headers",
        "@rusty_v8_libcxx//:headers",
        "@rusty_v8_libcxx//:internal_headers",
    ] + select({
        ":is_linux": [
            "@@llvm++kernel_headers+kernel_headers//:kernel_headers",
        ],
        "//conditions:default": [],
    }) + select({
        "@llvm//platforms/config:gnu": [
            "@@llvm++glibc+glibc//:gnu_libc_headers",
        ],
        "@llvm//platforms/config:musl": [
            "@@llvm++musl+musl_libc//:musl_libc_headers",
        ],
        "//conditions:default": [],
    }),
    includes = ["src"],
    textual_hdrs = glob([
        "src/**/*.def",
        "src/**/*.h",
        "src/**/*.inc",
    ]),
)