forked from OSchip/llvm-project
[lldb][NFC] Move all completer subclasses into source file
They are all implementation details so let's keep them out of the interface. Also makes this code more readable by keeping these small classes not spread over header and source file.
This commit is contained in:
Raphael Isemann
parent
7e5d8a34e3
commit
572fc89742
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@ -94,94 +94,6 @@ public:
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static void VariablePath(CommandInterpreter &interpreter,
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CompletionRequest &request, SearchFilter *searcher);
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// The Completer class is a convenient base class for building searchers that
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// go along with the SearchFilter passed to the standard Completer functions.
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class Completer : public Searcher {
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public:
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Completer(CommandInterpreter &interpreter, CompletionRequest &request);
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~Completer() override;
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CallbackReturn SearchCallback(SearchFilter &filter, SymbolContext &context,
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Address *addr) override = 0;
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lldb::SearchDepth GetDepth() override = 0;
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virtual void DoCompletion(SearchFilter *filter) = 0;
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protected:
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CommandInterpreter &m_interpreter;
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CompletionRequest &m_request;
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private:
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DISALLOW_COPY_AND_ASSIGN(Completer);
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};
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// SourceFileCompleter implements the source file completer
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class SourceFileCompleter : public Completer {
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public:
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SourceFileCompleter(CommandInterpreter &interpreter,
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CompletionRequest &request);
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lldb::SearchDepth GetDepth() override;
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Searcher::CallbackReturn SearchCallback(SearchFilter &filter,
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SymbolContext &context,
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Address *addr) override;
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void DoCompletion(SearchFilter *filter) override;
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private:
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FileSpecList m_matching_files;
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const char *m_file_name;
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const char *m_dir_name;
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DISALLOW_COPY_AND_ASSIGN(SourceFileCompleter);
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};
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// ModuleCompleter implements the module completer
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class ModuleCompleter : public Completer {
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public:
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ModuleCompleter(CommandInterpreter &interpreter,
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CompletionRequest &request);
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lldb::SearchDepth GetDepth() override;
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Searcher::CallbackReturn SearchCallback(SearchFilter &filter,
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SymbolContext &context,
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Address *addr) override;
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void DoCompletion(SearchFilter *filter) override;
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private:
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const char *m_file_name;
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const char *m_dir_name;
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DISALLOW_COPY_AND_ASSIGN(ModuleCompleter);
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};
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// SymbolCompleter implements the symbol completer
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class SymbolCompleter : public Completer {
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public:
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SymbolCompleter(CommandInterpreter &interpreter,
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CompletionRequest &request);
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lldb::SearchDepth GetDepth() override;
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Searcher::CallbackReturn SearchCallback(SearchFilter &filter,
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SymbolContext &context,
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Address *addr) override;
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void DoCompletion(SearchFilter *filter) override;
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private:
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RegularExpression m_regex;
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typedef std::set<ConstString> collection;
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collection m_match_set;
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DISALLOW_COPY_AND_ASSIGN(SymbolCompleter);
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};
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private:
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static CommonCompletionElement g_common_completions[];
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};
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@ -59,6 +59,208 @@ bool CommandCompletions::InvokeCommonCompletionCallbacks(
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return handled;
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}
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namespace {
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// The Completer class is a convenient base class for building searchers that
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// go along with the SearchFilter passed to the standard Completer functions.
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class Completer : public Searcher {
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public:
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Completer(CommandInterpreter &interpreter, CompletionRequest &request)
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: m_interpreter(interpreter), m_request(request) {}
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~Completer() override = default;
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CallbackReturn SearchCallback(SearchFilter &filter, SymbolContext &context,
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Address *addr) override = 0;
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lldb::SearchDepth GetDepth() override = 0;
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virtual void DoCompletion(SearchFilter *filter) = 0;
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protected:
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CommandInterpreter &m_interpreter;
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CompletionRequest &m_request;
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private:
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DISALLOW_COPY_AND_ASSIGN(Completer);
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};
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} // namespace
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// SourceFileCompleter implements the source file completer
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namespace {
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class SourceFileCompleter : public Completer {
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public:
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SourceFileCompleter(CommandInterpreter &interpreter,
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CompletionRequest &request)
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: Completer(interpreter, request), m_matching_files() {
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FileSpec partial_spec(m_request.GetCursorArgumentPrefix());
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m_file_name = partial_spec.GetFilename().GetCString();
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m_dir_name = partial_spec.GetDirectory().GetCString();
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}
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lldb::SearchDepth GetDepth() override { return lldb::eSearchDepthCompUnit; }
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Searcher::CallbackReturn SearchCallback(SearchFilter &filter,
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SymbolContext &context,
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Address *addr) override {
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if (context.comp_unit != nullptr) {
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const char *cur_file_name =
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context.comp_unit->GetPrimaryFile().GetFilename().GetCString();
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const char *cur_dir_name =
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context.comp_unit->GetPrimaryFile().GetDirectory().GetCString();
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bool match = false;
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if (m_file_name && cur_file_name &&
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strstr(cur_file_name, m_file_name) == cur_file_name)
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match = true;
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if (match && m_dir_name && cur_dir_name &&
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strstr(cur_dir_name, m_dir_name) != cur_dir_name)
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match = false;
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if (match) {
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m_matching_files.AppendIfUnique(context.comp_unit->GetPrimaryFile());
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}
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}
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return Searcher::eCallbackReturnContinue;
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}
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void DoCompletion(SearchFilter *filter) override {
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filter->Search(*this);
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// Now convert the filelist to completions:
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for (size_t i = 0; i < m_matching_files.GetSize(); i++) {
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m_request.AddCompletion(
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m_matching_files.GetFileSpecAtIndex(i).GetFilename().GetCString());
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}
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}
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private:
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FileSpecList m_matching_files;
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const char *m_file_name;
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const char *m_dir_name;
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DISALLOW_COPY_AND_ASSIGN(SourceFileCompleter);
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};
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} // namespace
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static bool regex_chars(const char comp) {
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return llvm::StringRef("[](){}+.*|^$\\?").contains(comp);
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}
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namespace {
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class SymbolCompleter : public Completer {
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public:
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SymbolCompleter(CommandInterpreter &interpreter, CompletionRequest &request)
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: Completer(interpreter, request) {
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std::string regex_str;
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if (!m_request.GetCursorArgumentPrefix().empty()) {
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regex_str.append("^");
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regex_str.append(std::string(m_request.GetCursorArgumentPrefix()));
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} else {
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// Match anything since the completion string is empty
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regex_str.append(".");
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}
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std::string::iterator pos =
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find_if(regex_str.begin() + 1, regex_str.end(), regex_chars);
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while (pos < regex_str.end()) {
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pos = regex_str.insert(pos, '\\');
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pos = find_if(pos + 2, regex_str.end(), regex_chars);
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}
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m_regex = RegularExpression(regex_str);
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}
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lldb::SearchDepth GetDepth() override { return lldb::eSearchDepthModule; }
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Searcher::CallbackReturn SearchCallback(SearchFilter &filter,
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SymbolContext &context,
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Address *addr) override {
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if (context.module_sp) {
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SymbolContextList sc_list;
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const bool include_symbols = true;
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const bool include_inlines = true;
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context.module_sp->FindFunctions(m_regex, include_symbols,
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include_inlines, sc_list);
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SymbolContext sc;
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// Now add the functions & symbols to the list - only add if unique:
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for (uint32_t i = 0; i < sc_list.GetSize(); i++) {
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if (sc_list.GetContextAtIndex(i, sc)) {
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ConstString func_name = sc.GetFunctionName(Mangled::ePreferDemangled);
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// Ensure that the function name matches the regex. This is more than
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// a sanity check. It is possible that the demangled function name
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// does not start with the prefix, for example when it's in an
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// anonymous namespace.
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if (!func_name.IsEmpty() && m_regex.Execute(func_name.GetStringRef()))
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m_match_set.insert(func_name);
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}
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}
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}
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return Searcher::eCallbackReturnContinue;
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}
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void DoCompletion(SearchFilter *filter) override {
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filter->Search(*this);
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collection::iterator pos = m_match_set.begin(), end = m_match_set.end();
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for (pos = m_match_set.begin(); pos != end; pos++)
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m_request.AddCompletion((*pos).GetCString());
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}
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private:
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RegularExpression m_regex;
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typedef std::set<ConstString> collection;
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collection m_match_set;
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DISALLOW_COPY_AND_ASSIGN(SymbolCompleter);
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};
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} // namespace
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namespace {
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class ModuleCompleter : public Completer {
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public:
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ModuleCompleter(CommandInterpreter &interpreter, CompletionRequest &request)
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: Completer(interpreter, request) {
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FileSpec partial_spec(m_request.GetCursorArgumentPrefix());
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m_file_name = partial_spec.GetFilename().GetCString();
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m_dir_name = partial_spec.GetDirectory().GetCString();
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}
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lldb::SearchDepth GetDepth() override { return lldb::eSearchDepthModule; }
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Searcher::CallbackReturn SearchCallback(SearchFilter &filter,
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SymbolContext &context,
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Address *addr) override {
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if (context.module_sp) {
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const char *cur_file_name =
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context.module_sp->GetFileSpec().GetFilename().GetCString();
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const char *cur_dir_name =
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context.module_sp->GetFileSpec().GetDirectory().GetCString();
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bool match = false;
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if (m_file_name && cur_file_name &&
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strstr(cur_file_name, m_file_name) == cur_file_name)
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match = true;
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if (match && m_dir_name && cur_dir_name &&
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strstr(cur_dir_name, m_dir_name) != cur_dir_name)
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match = false;
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if (match) {
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m_request.AddCompletion(cur_file_name);
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}
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}
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return Searcher::eCallbackReturnContinue;
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}
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void DoCompletion(SearchFilter *filter) override { filter->Search(*this); }
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private:
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const char *m_file_name;
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const char *m_dir_name;
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DISALLOW_COPY_AND_ASSIGN(ModuleCompleter);
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};
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} // namespace
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void CommandCompletions::SourceFiles(CommandInterpreter &interpreter,
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CompletionRequest &request,
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SearchFilter *searcher) {
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@ -317,163 +519,3 @@ void CommandCompletions::VariablePath(CommandInterpreter &interpreter,
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SearchFilter *searcher) {
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Variable::AutoComplete(interpreter.GetExecutionContext(), request);
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}
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CommandCompletions::Completer::Completer(CommandInterpreter &interpreter,
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CompletionRequest &request)
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: m_interpreter(interpreter), m_request(request) {}
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CommandCompletions::Completer::~Completer() = default;
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// SourceFileCompleter
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CommandCompletions::SourceFileCompleter::SourceFileCompleter(
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CommandInterpreter &interpreter, CompletionRequest &request)
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: CommandCompletions::Completer(interpreter, request), m_matching_files() {
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FileSpec partial_spec(m_request.GetCursorArgumentPrefix());
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m_file_name = partial_spec.GetFilename().GetCString();
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m_dir_name = partial_spec.GetDirectory().GetCString();
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}
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lldb::SearchDepth CommandCompletions::SourceFileCompleter::GetDepth() {
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return lldb::eSearchDepthCompUnit;
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}
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Searcher::CallbackReturn
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CommandCompletions::SourceFileCompleter::SearchCallback(SearchFilter &filter,
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SymbolContext &context,
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Address *addr) {
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if (context.comp_unit != nullptr) {
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const char *cur_file_name =
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context.comp_unit->GetPrimaryFile().GetFilename().GetCString();
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const char *cur_dir_name =
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context.comp_unit->GetPrimaryFile().GetDirectory().GetCString();
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bool match = false;
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if (m_file_name && cur_file_name &&
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strstr(cur_file_name, m_file_name) == cur_file_name)
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match = true;
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if (match && m_dir_name && cur_dir_name &&
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strstr(cur_dir_name, m_dir_name) != cur_dir_name)
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match = false;
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if (match) {
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m_matching_files.AppendIfUnique(context.comp_unit->GetPrimaryFile());
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}
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}
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return Searcher::eCallbackReturnContinue;
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}
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void CommandCompletions::SourceFileCompleter::DoCompletion(
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SearchFilter *filter) {
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filter->Search(*this);
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// Now convert the filelist to completions:
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for (size_t i = 0; i < m_matching_files.GetSize(); i++) {
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m_request.AddCompletion(
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m_matching_files.GetFileSpecAtIndex(i).GetFilename().GetCString());
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}
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}
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// SymbolCompleter
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static bool regex_chars(const char comp) {
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return llvm::StringRef("[](){}+.*|^$\\?").contains(comp);
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}
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CommandCompletions::SymbolCompleter::SymbolCompleter(
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CommandInterpreter &interpreter, CompletionRequest &request)
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: CommandCompletions::Completer(interpreter, request) {
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std::string regex_str;
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if (!m_request.GetCursorArgumentPrefix().empty()) {
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regex_str.append("^");
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regex_str.append(std::string(m_request.GetCursorArgumentPrefix()));
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} else {
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// Match anything since the completion string is empty
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regex_str.append(".");
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}
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std::string::iterator pos =
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find_if(regex_str.begin() + 1, regex_str.end(), regex_chars);
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while (pos < regex_str.end()) {
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pos = regex_str.insert(pos, '\\');
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pos = find_if(pos + 2, regex_str.end(), regex_chars);
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}
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m_regex = RegularExpression(regex_str);
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}
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lldb::SearchDepth CommandCompletions::SymbolCompleter::GetDepth() {
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return lldb::eSearchDepthModule;
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}
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Searcher::CallbackReturn CommandCompletions::SymbolCompleter::SearchCallback(
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SearchFilter &filter, SymbolContext &context, Address *addr) {
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if (context.module_sp) {
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SymbolContextList sc_list;
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const bool include_symbols = true;
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const bool include_inlines = true;
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context.module_sp->FindFunctions(m_regex, include_symbols, include_inlines,
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sc_list);
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SymbolContext sc;
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// Now add the functions & symbols to the list - only add if unique:
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for (uint32_t i = 0; i < sc_list.GetSize(); i++) {
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if (sc_list.GetContextAtIndex(i, sc)) {
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ConstString func_name = sc.GetFunctionName(Mangled::ePreferDemangled);
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// Ensure that the function name matches the regex. This is more than a
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// sanity check. It is possible that the demangled function name does
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// not start with the prefix, for example when it's in an anonymous
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// namespace.
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if (!func_name.IsEmpty() && m_regex.Execute(func_name.GetStringRef()))
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m_match_set.insert(func_name);
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}
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}
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}
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return Searcher::eCallbackReturnContinue;
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}
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void CommandCompletions::SymbolCompleter::DoCompletion(SearchFilter *filter) {
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filter->Search(*this);
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collection::iterator pos = m_match_set.begin(), end = m_match_set.end();
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for (pos = m_match_set.begin(); pos != end; pos++)
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m_request.AddCompletion((*pos).GetCString());
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}
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// ModuleCompleter
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CommandCompletions::ModuleCompleter::ModuleCompleter(
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CommandInterpreter &interpreter, CompletionRequest &request)
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: CommandCompletions::Completer(interpreter, request) {
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FileSpec partial_spec(m_request.GetCursorArgumentPrefix());
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m_file_name = partial_spec.GetFilename().GetCString();
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m_dir_name = partial_spec.GetDirectory().GetCString();
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}
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lldb::SearchDepth CommandCompletions::ModuleCompleter::GetDepth() {
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return lldb::eSearchDepthModule;
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}
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Searcher::CallbackReturn CommandCompletions::ModuleCompleter::SearchCallback(
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SearchFilter &filter, SymbolContext &context, Address *addr) {
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if (context.module_sp) {
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const char *cur_file_name =
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context.module_sp->GetFileSpec().GetFilename().GetCString();
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const char *cur_dir_name =
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context.module_sp->GetFileSpec().GetDirectory().GetCString();
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bool match = false;
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if (m_file_name && cur_file_name &&
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strstr(cur_file_name, m_file_name) == cur_file_name)
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match = true;
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if (match && m_dir_name && cur_dir_name &&
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strstr(cur_dir_name, m_dir_name) != cur_dir_name)
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match = false;
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if (match) {
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m_request.AddCompletion(cur_file_name);
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}
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}
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return Searcher::eCallbackReturnContinue;
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}
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void CommandCompletions::ModuleCompleter::DoCompletion(SearchFilter *filter) {
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filter->Search(*this);
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}
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