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#include "src/buildtool/build_engine/base_maps/source_map.hpp"
#include <filesystem>
#include "src/buildtool/common/artifact_digest.hpp"
#include "src/buildtool/file_system/object_type.hpp"
#include "src/buildtool/multithreading/async_map_consumer.hpp"
#include "src/utils/cpp/json.hpp"
namespace BuildMaps::Base {
namespace {
auto as_target(const BuildMaps::Base::EntityName& key, ExpressionPtr artifact)
-> AnalysedTargetPtr {
auto stage = ExpressionPtr{
Expression::map_t{key.GetNamedTarget().name, std::move(artifact)}};
return std::make_shared<AnalysedTarget>(
TargetResult{stage, Expression::kEmptyMap, stage},
std::vector<ActionDescription::Ptr>{},
std::vector<std::string>{},
std::vector<Tree::Ptr>{},
std::unordered_set<std::string>{},
std::set<std::string>{});
}
} // namespace
auto CreateSourceTargetMap(const gsl::not_null<DirectoryEntriesMap*>& dirs,
std::size_t jobs) -> SourceTargetMap {
auto src_target_reader = [dirs](auto ts,
auto setter,
auto logger,
auto /* unused */,
auto const& key) {
using std::filesystem::path;
const auto& target = key.GetNamedTarget();
auto name = path(target.name).lexically_normal();
if (name.is_absolute() or *name.begin() == "..") {
(*logger)(
fmt::format("Source file reference outside current module: {}",
target.name),
true);
return;
}
auto dir = (path(target.module) / name).parent_path();
auto const* ws_root =
RepositoryConfig::Instance().WorkspaceRoot(target.repository);
auto src_file_reader = [ts, key, name, setter, logger, dir, ws_root](
bool exists_in_ws_root) {
if (ws_root != nullptr and exists_in_ws_root) {
if (auto desc = ws_root->ToArtifactDescription(
path(key.GetNamedTarget().module) / name,
key.GetNamedTarget().repository)) {
(*setter)(as_target(key, ExpressionPtr{std::move(*desc)}));
return;
}
}
(*logger)(fmt::format(
"Cannot determine source file {}",
path(key.GetNamedTarget().name).filename().string()),
true);
};
if (ws_root != nullptr and ws_root->HasFastDirectoryLookup()) {
// by-pass directory map and directly attempt to read from ws_root
src_file_reader(ws_root->IsFile(path(target.module) / name));
return;
}
dirs->ConsumeAfterKeysReady(
ts,
{ModuleName{target.repository, dir.string()}},
[key, src_file_reader](auto values) {
src_file_reader(values[0]->ContainsFile(
path(key.GetNamedTarget().name).filename().string()));
},
[logger, dir](auto msg, auto fatal) {
(*logger)(
fmt::format(
"While reading contents of {}: {}", dir.string(), msg),
fatal);
}
);
};
return AsyncMapConsumer<EntityName, AnalysedTargetPtr>(src_target_reader,
jobs);
}
}; // namespace BuildMaps::Base
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