feat: allow ecsact cli used as a toolchain (#38)

Author: zaucy

.bazelignore

@@ -1,2 +1,3 @@
 external
 dist
+test

.gitignore

@@ -1,14 +1,9 @@
 # bazel
-/bazel-*
-/user.bazelrc
-
-# https://github.com/hedronvision/bazel-compile-commands-extractor
-/compile_commands.json
-/external
-
-# clangd
-/.cache/
+bazel-*
+user.bazelrc
+compile_commands.json
+external
+.cache/
 
 # ecsact codegen
 *.ecsact.*
-

BUILD.bazel

@@ -1,4 +1,5 @@
 load("@rules_cc//cc:defs.bzl", "cc_binary")
+load("@rules_ecsact//ecsact:toolchain.bzl", "ecsact_toolchain")
 load("//bazel/tools:cc_stamp_header.bzl", "cc_stamp_header")
 load("//bazel:copts.bzl", "copts")
 
@@ -29,3 +30,14 @@ alias(
     name = "ecsact_cli",
     actual = ":ecsact",
 )
+
+ecsact_toolchain(
+    name = "ecsact_toolchain",
+    target_tool = ":ecsact",
+)
+
+toolchain(
+    name = "toolchain",
+    toolchain = ":ecsact_toolchain",
+    toolchain_type = "@rules_ecsact//ecsact:toolchain_type",
+)

MODULE.bazel

@@ -16,3 +16,4 @@ bazel_dep(name = "ecsact_codegen", version = "0.1.2")
 bazel_dep(name = "boost.dll", version = "1.83.0.bzl.2")
 bazel_dep(name = "magic_enum", version = "0.9.3")
 bazel_dep(name = "docopt.cpp", version = "0.6.2")
+bazel_dep(name = "rules_ecsact", version = "0.4.2")

test/.bazelrc

@@ -0,0 +1,7 @@
+import %workspace%/../bazel/common.bazelrc
+
+common [email protected]//:use_std_fs
+build:windows --workspace_status_command=../bazel/tools/wsc.cmd
+build:linux --workspace_status_command=../bazel/tools/wsc.sh
+
+try-import %workspace%/user.bazelrc

test/BUILD.bazel

@@ -0,0 +1,38 @@
+load("@bazel_skylib//rules:build_test.bzl", "build_test")
+load("@rules_cc//cc:defs.bzl", "cc_binary")
+load("@rules_ecsact//ecsact:defs.bzl", "ecsact_codegen", "ecsact_codegen_plugin")
+load("@ecsact_cli//bazel:copts.bzl", "copts")
+
+cc_binary(
+    name = "test_codegen_plugin_bin",
+    linkshared = True,
+    copts = copts,
+    srcs = [
+        "test_codegen_plugin.cc",
+        "@ecsact_runtime//dylib:dylib.cc",
+    ],
+    deps = [
+        "@ecsact_codegen//:plugin",
+        "@ecsact_runtime//dylib:meta",
+        "@ecsact_runtime//dylib:util",
+    ],
+)
+
+ecsact_codegen_plugin(
+    name = "test_codegen_plugin",
+    plugin = ":test_codegen_plugin_bin",
+    output_extension = "txt",
+)
+
+ecsact_codegen(
+    name = "codegen_test",
+    srcs = ["test.ecsact"],
+    plugins = [":test_codegen_plugin"],
+)
+
+build_test(
+    name = "build_test",
+    targets = [
+        ":codegen_test",
+    ],
+)

test/MODULE.bazel

@@ -0,0 +1,15 @@
+module(name = "ecsact_cli_test")
+
+bazel_dep(name = "rules_cc", version = "0.0.9")
+bazel_dep(name = "rules_ecsact", version = "0.4.2")
+bazel_dep(name = "ecsact_codegen", version = "0.1.2")
+bazel_dep(name = "boost.dll", version = "1.83.0.bzl.2")
+bazel_dep(name = "ecsact_runtime", version = "0.5.1")
+bazel_dep(name = "ecsact_cli")
+
+local_path_override(
+    module_name = "ecsact_cli",
+    path = "..",
+)
+
+register_toolchains("@ecsact_cli//:all")

test/WORKSPACE.bazel

@@ -0,0 +1,34 @@
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive", "http_file")
+
+http_archive(
+    name = "hedron_compile_commands",
+    sha256 = "ed5aea1dc87856aa2029cb6940a51511557c5cac3dbbcb05a4abd989862c36b4",
+    strip_prefix = "bazel-compile-commands-extractor-e16062717d9b098c3c2ac95717d2b3e661c50608",
+    url = "https://github.com/hedronvision/bazel-compile-commands-extractor/archive/e16062717d9b098c3c2ac95717d2b3e661c50608.tar.gz",
+)
+
+load("@hedron_compile_commands//:workspace_setup.bzl", "hedron_compile_commands_setup")
+
+hedron_compile_commands_setup()
+
+http_archive(
+    name = "com_grail_bazel_toolchain",
+    sha256 = "33ba2951db87fc2ebdb609b489b84dcd77f417ad2b2ab9d0f469835e991dab11",
+    strip_prefix = "bazel-toolchain-885e6926f235dbd0fbde2055f5763cb762d8c0ef",
+    url = "https://github.com/grailbio/bazel-toolchain/archive/885e6926f235dbd0fbde2055f5763cb762d8c0ef.zip",
+)
+
+load("@com_grail_bazel_toolchain//toolchain:deps.bzl", "bazel_toolchain_dependencies")
+
+bazel_toolchain_dependencies()
+
+load("@com_grail_bazel_toolchain//toolchain:rules.bzl", "llvm_toolchain")
+
+llvm_toolchain(
+    name = "llvm_toolchain",
+    llvm_version = "16.0.4",
+)
+
+load("@llvm_toolchain//:toolchains.bzl", "llvm_register_toolchains")
+
+llvm_register_toolchains()

test/test.ecsact

@@ -0,0 +1,3 @@
+main package test;
+
+component TestComponent {}

test/test_codegen_plugin.cc

@@ -0,0 +1,17 @@
+#include <string_view>
+#include "ecsact/codegen/plugin.h"
+#include "ecsact/runtime/dylib.h"
+
+using namespace std::string_view_literals;
+
+auto ecsact_codegen_plugin_name() -> const char* {
+	return "txt";
+}
+
+auto ecsact_codegen_plugin( //
+	ecsact_package_id         package_id,
+	ecsact_codegen_write_fn_t write_fn
+) -> void {
+	auto test_message = "this is just a test, breathe!"sv;
+	write_fn(test_message.data(), test_message.size());
+}