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/// @file WASM stubs for Store default methods defined in build/entry-points.cc,
/// fetcher functions from libfetchers, and archive functions from libutil/archive.cc.
/// These are all unreachable in the WASM evaluator (no building, no network fetching),
/// but the linker requires the symbols to exist.
#include "lix/libstore/build-result.hh"
#include "lix/libstore/store-api.hh"
#include "lix/libutil/error.hh"
#include "lix/libutil/result.hh"
#include "lix/libutil/archive.hh"
#include "lix/libfetchers/fetchers.hh"
#include "lix/libfetchers/fetch-to-store.hh"
#include "lix/libfetchers/registry.hh"
#include "lix/libfetchers/attrs.hh"
#include "lix/libfetchers/fetch-settings.hh"
#include "lix/libutil/url.hh"
#include "lix/libutil/json.hh"
#include "lix/libutil/file-system.hh"
#include "lix/libutil/canon-path.hh"
#include "lix/libutil/processes.hh"
#include <kj/async.h>
namespace nix {
// ---------------------------------------------------------------------------
// Store default method impls (from build/entry-points.cc, excluded in WASM)
// ---------------------------------------------------------------------------
kj::Promise<Result<void>>
Store::buildPaths(const std::vector<DerivedPath> &, BuildMode, std::shared_ptr<Store>)
try {
throw Error("Store::buildPaths not available in WASM evaluator");
} catch (...) {
return {result::current_exception()};
}
kj::Promise<Result<std::vector<KeyedBuildResult>>>
Store::buildPathsWithResults(const std::vector<DerivedPath> &, BuildMode, std::shared_ptr<Store>)
try {
throw Error("Store::buildPathsWithResults not available in WASM evaluator");
} catch (...) {
return {result::current_exception()};
}
kj::Promise<Result<BuildResult>> Store::buildDerivation(const StorePath &, const BasicDerivation &, BuildMode)
try {
throw Error("Store::buildDerivation not available in WASM evaluator");
} catch (...) {
return {result::current_exception()};
}
kj::Promise<Result<void>> Store::ensurePath(const StorePath &)
try {
throw Error("Store::ensurePath not available in WASM evaluator");
} catch (...) {
return {result::current_exception()};
}
// ---------------------------------------------------------------------------
// archive.cc stubs (archive.cc excluded from WASM build)
// ---------------------------------------------------------------------------
box_ptr<PreparedDump> prepareDump(Path)
{
throw Error("prepareDump not available in WASM evaluator");
}
box_ptr<PreparedDump> prepareDump(Path, PathFilter &)
{
throw Error("prepareDump not available in WASM evaluator");
}
kj::Promise<Result<StorePath>>
fetchToStoreRecursive(Store &, const PreparedDump &, std::string_view, RepairFlag)
try {
throw Error("fetchToStoreRecursive not available in WASM evaluator");
} catch (...) {
return {result::current_exception()};
}
// ---------------------------------------------------------------------------
// fetchers stubs (libfetchers excluded from WASM build)
// ---------------------------------------------------------------------------
namespace fetchers {
void initLibFetchers() {} // no-op — no fetcher backends in WASM
kj::Promise<Result<DownloadTarballResult>>
downloadTarball(ref<Store>, const std::string &, const std::string &, bool, const Headers &)
try {
throw Error("downloadTarball not available in WASM evaluator");
} catch (...) {
return {result::current_exception()};
}
// Input method stubs
std::string Input::toURLString(const std::map<std::string, std::string> &) const
{
throw Error("Input::toURLString not available in WASM evaluator");
}
Attrs Input::toAttrs() const
{
throw Error("Input::toAttrs not available in WASM evaluator");
}
bool Input::operator==(const Input &) const
{
return false;
}
kj::Promise<Result<std::pair<Tree, Input>>> Input::fetch(ref<Store>) const
try {
throw Error("Input::fetch not available in WASM evaluator");
} catch (...) {
return {result::current_exception()};
}
kj::Promise<Result<std::pair<Input, Attrs>>> lookupInRegistries(ref<Store>, const Input &)
try {
throw Error("lookupInRegistries not available in WASM evaluator");
} catch (...) {
return {result::current_exception()};
}
// maybeGetStrAttr provided by libfetchers/attrs.cc
// Additional Input method stubs
std::optional<Path> Input::getSourcePath() const
{
return std::nullopt;
}
std::string Input::getType() const
{
return "";
}
std::optional<std::string> Input::getRef() const
{
return std::nullopt;
}
std::optional<Hash> Input::getRev() const
{
return std::nullopt;
}
StorePath Input::computeStorePath(Store &) const
{
throw Error("Input::computeStorePath not available in WASM evaluator");
}
std::optional<Hash> Input::getNarHash() const
{
return std::nullopt;
}
std::optional<time_t> Input::getLastModified() const
{
return std::nullopt;
}
Input Input::fromURL(const ParsedURL &, bool)
{
throw Error("Input::fromURL not available in WASM evaluator");
}
Input Input::fromURL(const std::string &, bool)
{
throw Error("Input::fromURL not available in WASM evaluator");
}
Input Input::fromAttrs(Attrs &&)
{
throw Error("Input::fromAttrs not available in WASM evaluator");
}
kj::Promise<Result<void>>
Input::putFile(const CanonPath &, std::string_view, std::optional<std::string>) const
try {
throw Error("Input::putFile not available in WASM evaluator");
} catch (...) {
return {result::current_exception()};
}
// Attrs serialization is provided by libfetchers/attrs.cc
// Additional Input method stubs (continued)
std::optional<uint64_t> Input::getRevCount() const
{
return std::nullopt;
}
// downloadFile — from tarball.cc
kj::Promise<Result<DownloadFileResult>>
downloadFile(ref<Store>, const std::string &, const std::string &, bool, Headers, FileIngestionMethod)
try {
throw Error("downloadFile not available in WASM evaluator");
} catch (...) {
return {result::current_exception()};
}
} // namespace fetchers
// ---------------------------------------------------------------------------
// archive.cc additional stubs
// ---------------------------------------------------------------------------
// defaultPathFilter — defined in archive.cc (excluded from WASM)
PathFilter defaultPathFilter = [](const Path &) { return true; };
// fetchToStoreFlat — from fetch-to-store.cc
kj::Promise<Result<StorePath>>
fetchToStoreFlat(Store &, const CheckedSourcePath &, std::string_view, RepairFlag)
try {
throw Error("fetchToStoreFlat not available in WASM evaluator");
} catch (...) {
return {result::current_exception()};
}
// runProgram — from processes.cc (excluded from WASM)
kj::Promise<Result<std::string>> runProgram(Path, bool, const Strings, bool)
try {
throw Error("runProgram not available in WASM evaluator");
} catch (...) {
return {result::current_exception()};
}
// fetchSettings and FetchSettings constructor come from fetch-settings.cc
// which is now included in the WASM build via meson.
} // namespace nix
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