3 files changed, 133 insertions, 0 deletions
diff --git a/src/buildtool/computed_roots/TARGETS b/src/buildtool/computed_roots/TARGETS
new file mode 100644
index 00000000..0a51dc9a
--- /dev/null
+++ b/src/buildtool/computed_roots/TARGETS
@@ -0,0 +1,21 @@
+{ "analyse_and_build":
+  { "type": ["@", "rules", "CC", "library"]
+  , "name": ["analyse_and_build"]
+  , "hdrs": ["analyse_and_build.hpp"]
+  , "srcs": ["analyse_and_build.cpp"]
+  , "deps":
+    [ ["@", "gsl", "", "gsl"]
+    , ["src/buildtool/build_engine/target_map", "configured_target"]
+    , ["src/buildtool/graph_traverser", "graph_traverser"]
+    , ["src/buildtool/logging", "logging"]
+    , ["src/buildtool/main", "analyse"]
+    , ["src/buildtool/main", "analyse_context"]
+    ]
+  , "stage": ["src", "buildtool", "computed_roots"]
+  , "private-deps":
+    [ ["src/buildtool/build_engine/target_map", "result_map"]
+    , ["src/buildtool/logging", "log_level"]
+    , ["src/buildtool/main", "build_utils"]
+    ]
+  }
+}
diff --git a/src/buildtool/computed_roots/analyse_and_build.cpp b/src/buildtool/computed_roots/analyse_and_build.cpp
new file mode 100644
index 00000000..6fc4e24e
--- /dev/null
+++ b/src/buildtool/computed_roots/analyse_and_build.cpp
@@ -0,0 +1,72 @@
+// Copyright 2024 Huawei Cloud Computing Technology Co., Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "src/buildtool/computed_roots/analyse_and_build.hpp"
+
+#include <functional>
+#include <utility>
+
+#include "src/buildtool/build_engine/target_map/result_map.hpp"
+#include "src/buildtool/logging/log_level.hpp"
+#include "src/buildtool/main/build_utils.hpp"
+
+[[nodiscard]] auto AnalyseAndBuild(
+    gsl::not_null<AnalyseContext*> const& analyse_context,
+    GraphTraverser const& traverser,
+    BuildMaps::Target::ConfiguredTarget const& id,
+    std::size_t jobs,
+    Logger const* logger) -> std::optional<AnalyseAndBuildResult> {
+    auto analysis_result = AnalyseTarget(analyse_context,
+                                         id,
+                                         jobs,
+                                         /*request_action_input*/ std::nullopt,
+                                         logger);
+
+    if (not analysis_result) {
+        if (logger != nullptr) {
+            logger->Emit(LogLevel::Warning,
+                         "Failed to analyse target {}",
+                         id.ToString());
+        }
+        return std::nullopt;
+    }
+    if (logger != nullptr) {
+        logger->Emit(LogLevel::Info, "Analysed target {}", id.ToString());
+    }
+
+    auto const [artifacts, runfiles] =
+        ReadOutputArtifacts(analysis_result->target);
+
+    auto const [actions, blobs, trees] = analysis_result->result_map.ToResult(
+        analyse_context->statistics, analyse_context->progress);
+
+    auto const cache_targets = analysis_result->result_map.CacheTargets();
+    auto build_result =
+        traverser.BuildAndStage(artifacts,
+                                runfiles,
+                                actions,
+                                blobs,
+                                trees,
+                                CollectNonKnownArtifacts(cache_targets));
+
+    if (not build_result) {
+        if (logger != nullptr) {
+            logger->Emit(
+                LogLevel::Warning, "Build for target {} failed", id.ToString());
+        }
+        return std::nullopt;
+    }
+    return AnalyseAndBuildResult{.analysis_result = *std::move(analysis_result),
+                                 .build_result = *std::move(build_result)};
+}
diff --git a/src/buildtool/computed_roots/analyse_and_build.hpp b/src/buildtool/computed_roots/analyse_and_build.hpp
new file mode 100644
index 00000000..61d4b495
--- /dev/null
+++ b/src/buildtool/computed_roots/analyse_and_build.hpp
@@ -0,0 +1,40 @@
+// Copyright 2024 Huawei Cloud Computing Technology Co., Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef INCLUDED_SRC_BUILDOOL_COMPUTED_ROOTS_ANALYSE_AND_BUILD_HPP
+#define INCLUDED_SRC_BUILDOOL_COMPUTED_ROOTS_ANALYSE_AND_BUILD_HPP
+
+#include <cstddef>
+#include <optional>
+
+#include "gsl/gsl"
+#include "src/buildtool/build_engine/target_map/configured_target.hpp"
+#include "src/buildtool/graph_traverser/graph_traverser.hpp"
+#include "src/buildtool/logging/logger.hpp"
+#include "src/buildtool/main/analyse.hpp"
+#include "src/buildtool/main/analyse_context.hpp"
+
+struct AnalyseAndBuildResult {
+    AnalysisResult analysis_result;
+    GraphTraverser::BuildResult build_result;
+};
+
+[[nodiscard]] auto AnalyseAndBuild(
+    gsl::not_null<AnalyseContext*> const& analyse_context,
+    GraphTraverser const& traverser,
+    BuildMaps::Target::ConfiguredTarget const& id,
+    std::size_t jobs,
+    Logger const* logger = nullptr) -> std::optional<AnalyseAndBuildResult>;
+
+#endif  // INCLUDED_SRC_BUILDOOL_COMPUTED_ROOTS_ANALYSE_AND_BUILD_HPP