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[Swift/Macros] Update for serialization change in Swift #7003

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Merged
merged 2 commits into from
Jun 16, 2023
Merged

[Swift/Macros] Update for serialization change in Swift #7003

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7231605
[Swift/Macros] Update for serialization change in Swift
rintaro Jun 15, 2023
93d4f9b
[Swift/Macros] Update for PluginSearchOption::Kind
rintaro Jun 16, 2023
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154 changes: 79 additions & 75 deletions lldb/source/Plugins/TypeSystem/Swift/SwiftASTContext.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1311,87 +1311,91 @@ static bool DeserializeAllCompilerFlags(swift::CompilerInvocation &invocation,
return false;
};

// Discover, rewrite, and unique compiler plugin paths.
for (auto path : extended_validation_info.getPluginSearchPaths()) {
// System plugins shipping with the compiler.
// Rewrite them to go through an ABI-compatible swift-plugin-server.
if (known_plugin_search_paths.insert(path).second) {
if (known_external_plugin_search_paths.insert(path).second) {
std::string server = get_plugin_server(
path, [&]() { return GetPluginServer(path); });
if (server.empty())
continue;
if (exists(path))
plugin_search_options.emplace_back(
swift::PluginSearchOption::ExternalPluginPath{path.str(),
server});
for (auto &opt : extended_validation_info.getPluginSearchOptions()) {
if (opt.first == "-plugin-path") {
StringRef path = opt.second;
// System plugins shipping with the compiler.
// Rewrite them to go through an ABI-compatible swift-plugin-server.
if (known_plugin_search_paths.insert(path).second) {
if (known_external_plugin_search_paths.insert(path).second) {
std::string server = get_plugin_server(
path, [&]() { return GetPluginServer(path); });
if (server.empty())
continue;
if (exists(path))
plugin_search_options.emplace_back(
swift::PluginSearchOption::ExternalPluginPath{path.str(),
server});
}
}
continue;
}
}
for (auto path :
extended_validation_info.getExternalPluginSearchPaths()) {
// Sandboxed system plugins shipping with some compiler.
// Keep the original plugin server path, it needs to be ABI
// compatible with the version of SwiftSyntax used by the plugin.
auto plugin_server = path.split('#');
llvm::StringRef plugin = plugin_server.first;
std::string server = get_plugin_server(
plugin, [&]() { return plugin_server.second.str(); });
if (server.empty())
if (opt.first == "-external-plugin-path") {
// Sandboxed system plugins shipping with some compiler.
// Keep the original plugin server path, it needs to be ABI
// compatible with the version of SwiftSyntax used by the plugin.
auto plugin_server = opt.second.split('#');
llvm::StringRef plugin = plugin_server.first;
std::string server = get_plugin_server(
plugin, [&]() { return plugin_server.second.str(); });
if (server.empty())
continue;
if (known_external_plugin_search_paths.insert(plugin).second)
if (exists(plugin))
plugin_search_options.emplace_back(
swift::PluginSearchOption::ExternalPluginPath{plugin.str(),
server});
continue;
if (known_external_plugin_search_paths.insert(plugin).second)
if (exists(plugin))
plugin_search_options.emplace_back(
swift::PluginSearchOption::ExternalPluginPath{plugin.str(),
server});
}
}
if (opt.first == "-load-plugin-library") {
// Compiler plugin libraries.
StringRef dylib = opt.second;
if (known_compiler_plugin_library_paths.insert(dylib).second)
if (exists(dylib)) {
// We never want to directly load any plugins, since a crash in
// the plugin would bring down LLDB. Here, we assume that the
// correct plugin server for a direct compiler plugin is the one
// from the SDK the compiler was building for. This is just a
// heuristic.
// This works because the Swift compiler enforces
// '-load-plugin-library' dylibs to be named
// libModuleName.[dylib|so|dll] just like
// '-external-plugin-path'.
llvm::SmallString<0> dir(dylib);
llvm::sys::path::remove_filename(dir);
std::string server = get_plugin_server(dir, [&]() {
return GetPluginServerForSDK(invocation.getSDKPath());
});
if (server.empty())
continue;

for (auto dylib :
extended_validation_info.getCompilerPluginLibraryPaths()) {
// Compiler plugin libraries.
if (known_compiler_plugin_library_paths.insert(dylib).second)
if (exists(dylib)) {
// We never want to directly load any plugins, since a crash in
// the plugin would bring down LLDB. Here, we assume that the
// correct plugin server for a direct compiler plugin is the one
// from the SDK the compiler was building for. This is just a
// heuristic.
llvm::SmallString<0> dir(dylib);
llvm::sys::path::remove_filename(dir);
std::string server = get_plugin_server(dir, [&]() {
return GetPluginServerForSDK(invocation.getSDKPath());
});
if (server.empty())
continue;

// FIXME: The Swift compiler expects external plugins
// to be named libModuleName.[dylib|so|dll]. This
// means this our translation attempts only work for
// macro libraries following this convention. cf.
// PluginLoader::lookupExternalLibraryPluginByModuleName().
plugin_search_options.emplace_back(
swift::PluginSearchOption::ExternalPluginPath{dir.str().str(),
server});
}
plugin_search_options.emplace_back(
swift::PluginSearchOption::ExternalPluginPath{
dir.str().str(), server});
}
continue;
}
if (opt.first == "-load-plugin-executable") {
// Compiler plugin executables.
auto plugin_modules = opt.second.split('#');
llvm::StringRef plugin = plugin_modules.first;
llvm::StringRef modules_list = plugin_modules.second;
llvm::SmallVector<llvm::StringRef, 0> modules;
modules_list.split(modules, ",");
std::vector<std::string> modules_vec;
for (auto m : modules)
modules_vec.push_back(m.str());
if (known_compiler_plugin_executable_paths.insert(opt.second)
.second)
if (exists(plugin))
plugin_search_options.emplace_back(
swift::PluginSearchOption::LoadPluginExecutable{
plugin.str(), modules_vec});
continue;
}
llvm_unreachable("unhandled plugin search option kind");
}

for (auto path :
extended_validation_info.getCompilerPluginExecutablePaths()) {
// Compiler plugin executables.
auto plugin_modules = path.split('#');
llvm::StringRef plugin = plugin_modules.first;
llvm::StringRef modules_list = plugin_modules.second;
llvm::SmallVector<llvm::StringRef, 0> modules;
modules_list.split(modules, ",");
std::vector<std::string> modules_vec;
for (auto m : modules)
modules_vec.push_back(m.str());
if (known_compiler_plugin_executable_paths.insert(path).second)
if (exists(plugin))
plugin_search_options.emplace_back(
swift::PluginSearchOption::LoadPluginExecutable{plugin.str(),
modules_vec});
}
return true;
};

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