# This package contains the basic language server protocol [1] implementation
# needed in language specific parts to provide LSP services.
# LSP is using JSON-PRC [2] for the RPC protocol, the transport layer chunks
# messages with header+body blocks, similar to HTTP.
#
# [1]: https://microsoft.github.io/language-server-protocol/specification
# [2]: https://www.jsonrpc.org/specification

licenses(["notice"])

load("//bazel:sh_test_with_runfiles_lib.bzl", "sh_test_with_runfiles_lib")
load("//common/tools:jcxxgen.bzl", "jcxxgen")

package(
    default_visibility = [
        "//:__subpackages__",
    ],
)

cc_library(
    name = "message-stream-splitter",
    srcs = ["message-stream-splitter.cc"],
    hdrs = ["message-stream-splitter.h"],
    deps = [
        "@com_google_absl//absl/status",
        "@com_google_absl//absl/strings",
    ],
)

cc_test(
    name = "message-stream-splitter_test",
    srcs = ["message-stream-splitter_test.cc"],
    deps = [
        ":message-stream-splitter",
        "@com_google_absl//absl/status",
        "@com_google_absl//absl/strings",
        "@com_google_googletest//:gtest_main",
    ],
)

cc_library(
    name = "json-rpc-dispatcher",
    srcs = ["json-rpc-dispatcher.cc"],
    hdrs = ["json-rpc-dispatcher.h"],
    copts = select({
        "@platforms//os:windows": [],
        "//conditions:default": ["-fexceptions"],
    }),
    features = ["-use_header_modules"],  # precompiled headers incompatible with -fexceptions.
    deps = [
        "//common/util:logging",
        "@com_google_absl//absl/strings",
        "@jsonhpp",
    ],
)

cc_test(
    name = "json-rpc-dispatcher_test",
    srcs = ["json-rpc-dispatcher_test.cc"],
    copts = select({
        "@platforms//os:windows": [],
        "//conditions:default": ["-fexceptions"],
    }),
    features = ["-use_header_modules"],  # precompiled headers incompatible with -fexceptions.
    deps = [
        ":json-rpc-dispatcher",
        "@com_google_absl//absl/status",
        "@com_google_absl//absl/strings",
        "@com_google_googletest//:gtest_main",
    ],
)

jcxxgen(
    name = "lsp-protocol",
    src = "lsp-protocol.yaml",
    out = "lsp-protocol.h",
    namespace = "verible::lsp",
)

cc_library(
    name = "lsp-protocol-enums",
    hdrs = ["lsp-protocol-enums.h"],
)

cc_library(
    name = "lsp-protocol-operators",
    hdrs = ["lsp-protocol-operators.h"],
    deps = [":lsp-protocol"],
)

cc_test(
    name = "lsp-protocol-operators_test",
    srcs = ["lsp-protocol-operators_test.cc"],
    deps = [
        ":lsp-protocol-operators",
        "@com_google_googletest//:gtest_main",
    ],
)

cc_library(
    name = "lsp-text-buffer",
    srcs = ["lsp-text-buffer.cc"],
    hdrs = ["lsp-text-buffer.h"],
    deps = [
        ":json-rpc-dispatcher",
        ":lsp-protocol",
        "//common/strings:utf8",
        "@com_google_absl//absl/strings",
    ],
)

cc_test(
    name = "lsp-text-buffer_test",
    srcs = ["lsp-text-buffer_test.cc"],
    deps = [
        ":json-rpc-dispatcher",
        ":lsp-text-buffer",
        "@com_google_absl//absl/strings",
        "@com_google_googletest//:gtest_main",
    ],
)

cc_binary(
    name = "json-rpc-expect",
    srcs = ["json-rpc-expect.cc"],
    deps = [
        ":message-stream-splitter",
        "@com_google_absl//absl/status",
        "@com_google_absl//absl/strings",
        "@jsonhpp",
    ],
)

cc_binary(
    name = "dummy-ls",
    srcs = ["dummy-ls.cc"],
    deps = [
        ":json-rpc-dispatcher",
        ":lsp-protocol",
        ":lsp-text-buffer",
        ":message-stream-splitter",
    ],
)

sh_test_with_runfiles_lib(
    name = "dummy-ls_test",
    size = "small",
    srcs = ["dummy-ls_test.sh"],
    args = [
        "$(location :dummy-ls)",
        "$(location :json-rpc-expect)",
    ],
    data = [
        ":dummy-ls",
        ":json-rpc-expect",
    ],
    deps = [],
)