================
@@ -46,12 +49,344 @@ class CommandObjectPluginLoad : public CommandObjectParsed
{
}
};
+namespace {
+#define LLDB_OPTIONS_plugin_list
+#include "CommandOptions.inc"
+
+// These option definitions are shared by the plugin list/enable/disable
+// commands.
+class PluginListCommandOptions : public Options {
+public:
+ PluginListCommandOptions() = default;
+
+ ~PluginListCommandOptions() override = default;
+
+ Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
+ ExecutionContext *execution_context) override {
+ Status error;
+ const int short_option = m_getopt_table[option_idx].val;
+
+ switch (short_option) {
+ case 'x':
+ m_exact_name_match = true;
+ break;
+ default:
+ llvm_unreachable("Unimplemented option");
+ }
+
+ return error;
+ }
+
+ void OptionParsingStarting(ExecutionContext *execution_context) override {
+ m_exact_name_match = false;
+ }
+
+ llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
+ return llvm::ArrayRef(g_plugin_list_options);
+ }
+
+ // Instance variables to hold the values for command options.
+ bool m_exact_name_match = false;
+};
+
+// Define some data structures to describe known plugin "namespaces".
+// The PluginManager is organized into a series of static functions
+// that operate on different types of plugin. For example SystemRuntime
+// and ObjectFile plugins.
+//
+// The namespace name is used a prefix when matching plugin names. For example,
+// if we have an "elf" plugin in the "object-file" namespace then we will
+// match a plugin name pattern against the "object-file.elf" name.
+//
+// The plugin namespace here is used so we can operate on all the plugins
+// of a given type so it is easy to enable or disable them as a group.
+using GetPluginInfo = std::function<std::vector<RegisteredPluginInfo>()>;
+using SetPluginEnabled = std::function<bool(llvm::StringRef, bool)>;
+struct PluginNamespace {
+ llvm::StringRef name;
+ GetPluginInfo get_info;
+ SetPluginEnabled set_enabled;
+};
+
+// Currently supported set of plugin namespaces. This will be expanded
+// over time.
+PluginNamespace PluginNamespaces[] = {
+ {"system-runtime", PluginManager::GetSystemRuntimePluginInfo,
+ PluginManager::SetSystemRuntimePluginEnabled}};
+
+// Helper function to perform an action on each matching plugin.
+// The action callback is given the containing namespace along with plugin info
+// for each matching plugin.
+static int ActOnMatchingPlugins(
+ llvm::GlobPattern pattern,
+ std::function<void(const PluginNamespace &plugin_namespace,
+ const std::vector<RegisteredPluginInfo> &plugin_info)>
+ action) {
+ int num_matching = 0;
+
+ for (const PluginNamespace &plugin_namespace : PluginNamespaces) {
+ std::vector<RegisteredPluginInfo> all_plugins =
plugin_namespace.get_info();
+ std::vector<RegisteredPluginInfo> matching_plugins;
+ for (const RegisteredPluginInfo &plugin_info : all_plugins) {
+ std::string qualified_name =
+ (plugin_namespace.name + "." + plugin_info.name).str();
+ if (pattern.match(qualified_name)) {
+ matching_plugins.push_back(plugin_info);
+ }
+ }
+
+ if (!matching_plugins.empty()) {
+ num_matching += matching_plugins.size();
+ action(plugin_namespace, matching_plugins);
+ }
+ }
+
+ return num_matching;
+}
+
+// Return a string in glob syntax for matching plugins.
+static std::string GetPluginNamePatternString(llvm::StringRef user_input,
+ bool add_default_glob) {
+ std::string pattern_str;
+ if (user_input.empty())
+ pattern_str = "*";
+ else
+ pattern_str = user_input;
+
+ if (add_default_glob && pattern_str != "*") {
+ pattern_str = "*" + pattern_str + "*";
+ }
+
+ return pattern_str;
+}
+
+// Attempts to create a glob pattern for a plugin name based on plugin command
+// input. Writes an error message to the `result` object if the glob cannot be
+// created successfully.
+//
+// The `glob_storage` is used to hold the string data for the glob pattern. The
+// llvm::GlobPattern only contains pointers into the string data so we need a
+// stable location that can outlive the glob pattern itself.
+std::optional<llvm::GlobPattern>
+TryCreatePluginPattern(const char *plugin_command_name, const Args &command,
+ const PluginListCommandOptions &options,
+ CommandReturnObject &result, std::string &glob_storage)
{
+ size_t argc = command.GetArgumentCount();
+ if (argc > 1) {
+ result.AppendErrorWithFormat("'%s' requires one argument",
+ plugin_command_name);
+ return {};
+ }
+
+ llvm::StringRef user_pattern;
+ if (argc == 1) {
+ user_pattern = command[0].ref();
+ }
----------------
JDevlieghere wrote:
```suggestion
llvm::StringRef user_pattern = argc == 1 ? command[0].ref() : "";
```
https://github.com/llvm/llvm-project/pull/134418
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