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Merge pull request #70724 from cachemeifyoucan/eng/PR-basic-macro-support-caching

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[Caching] Preliminary simple macro support for caching
This commit is contained in:
Steven Wu
2024-04-15 14:54:32 -07:00
committed by GitHub
parent 01d891ad99 daa1065304
commit e53da29a92
6 changed files with 268 additions and 4 deletions
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53
lib/AST/ModuleDependencies.cpp
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@@ -21,6 +21,7 @@
#include "swift/Frontend/Frontend.h"
#include "llvm/CAS/CASProvidingFileSystem.h"
#include "llvm/CAS/CachingOnDiskFileSystem.h"
#include "llvm/Config/config.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/PrefixMapper.h"
@@ -480,6 +481,58 @@ void SwiftDependencyTracker::addCommonSearchPathDeps(
// Add VFSOverlay file.
for (auto &Overlay: Opts.VFSOverlayFiles)
FS->status(Overlay);
// Add plugin dylibs from the toolchain only by look through the plugin search
// directory.
auto recordFiles = [&](StringRef Path) {
std::error_code EC;
for (auto I = FS->dir_begin(Path, EC);
!EC && I != llvm::vfs::directory_iterator(); I = I.increment(EC)) {
if (I->type() != llvm::sys::fs::file_type::regular_file)
continue;
#if defined(_WIN32)
constexpr StringRef libPrefix{};
constexpr StringRef libSuffix = ".dll";
#else
constexpr StringRef libPrefix = "lib";
constexpr StringRef libSuffix = LTDL_SHLIB_EXT;
#endif
StringRef filename = llvm::sys::path::filename(I->path());
if (filename.starts_with(libPrefix) && filename.ends_with(libSuffix))
FS->status(I->path());
}
};
for (auto &entry : Opts.PluginSearchOpts) {
switch (entry.getKind()) {
// '-load-plugin-library <library path>'.
case PluginSearchOption::Kind::LoadPluginLibrary: {
auto &val = entry.get<PluginSearchOption::LoadPluginLibrary>();
FS->status(val.LibraryPath);
break;
}
// '-load-plugin-executable <executable path>#<module name>, ...'.
case PluginSearchOption::Kind::LoadPluginExecutable: {
// We don't have executable plugin in toolchain.
break;
}
// '-plugin-path <library search path>'.
case PluginSearchOption::Kind::PluginPath: {
auto &val = entry.get<PluginSearchOption::PluginPath>();
recordFiles(val.SearchPath);
break;
}
// '-external-plugin-path <library search path>#<server path>'.
case PluginSearchOption::Kind::ExternalPluginPath: {
auto &val = entry.get<PluginSearchOption::ExternalPluginPath>();
recordFiles(val.SearchPath);
break;
}
}
}
}
void SwiftDependencyTracker::startTracking() {