mirror of
https://github.com/mawww/kakoune.git
synced 2024-09-11 13:00:41 +03:00
Use a separate copy of the command completer for each completion
This make the completer lifetime tied to the Prompt mode and removes the need for the Start flag. It also makes it possible to cleanup on completer destruction.
This commit is contained in:
parent
79f3f5b046
commit
719512b308
@ -719,10 +719,34 @@ static Completions complete_expand(const Context& context, CompletionFlags flags
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return {};
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}
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Completions CommandManager::complete(const Context& context,
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CompletionFlags flags,
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StringView command_line,
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ByteCount cursor_pos)
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static Completions requote(Completions completions, Token::Type token_type)
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{
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if (completions.flags & Completions::Flags::Quoted)
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return completions;
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if (token_type == Token::Type::Raw)
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{
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const bool at_token_start = completions.start == 0;
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for (auto& candidate : completions.candidates)
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{
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const StringView to_escape = ";\n \t";
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if ((at_token_start and candidate.substr(0_byte, 1_byte) == "%") or
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any_of(candidate, [&](auto c) { return contains(to_escape, c); }))
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candidate = at_token_start ? quote(candidate) : escape(candidate, to_escape, '\\');
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}
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}
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else if (token_type == Token::Type::RawQuoted)
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completions.flags |= Completions::Flags::Quoted;
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else
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kak_assert(false);
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return completions;
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}
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Completions CommandManager::Completer::operator()(
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const Context& context, CompletionFlags flags,
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StringView command_line, ByteCount cursor_pos)
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{
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auto prefix = command_line.substr(0_byte, cursor_pos);
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CommandParser parser{prefix};
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@ -754,29 +778,6 @@ Completions CommandManager::complete(const Context& context,
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if (token.terminated) // do not complete past explicit token close
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return Completions{};
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auto requote = [](Completions completions, Token::Type token_type) {
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if (completions.flags & Completions::Flags::Quoted)
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return completions;
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if (token_type == Token::Type::Raw)
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{
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const bool at_token_start = completions.start == 0;
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for (auto& candidate : completions.candidates)
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{
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const StringView to_escape = ";\n \t";
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if ((at_token_start and candidate.substr(0_byte, 1_byte) == "%") or
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any_of(candidate, [&](auto c) { return contains(to_escape, c); }))
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candidate = at_token_start ? quote(candidate) : escape(candidate, to_escape, '\\');
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}
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}
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else if (token_type == Token::Type::RawQuoted)
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completions.flags |= Completions::Flags::Quoted;
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else
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kak_assert(false);
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return completions;
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};
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const ByteCount start = token.pos;
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const ByteCount pos_in_token = cursor_pos - start;
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@ -784,9 +785,11 @@ Completions CommandManager::complete(const Context& context,
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if (tokens.size() == 1 and (token.type == Token::Type::Raw or
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token.type == Token::Type::RawQuoted))
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{
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return offset_pos(requote(complete_command_name(context, prefix), token.type), start);
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return offset_pos(requote(CommandManager::instance().complete_command_name(context, prefix), token.type), start);
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}
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auto& commands = CommandManager::instance().m_commands;
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switch (token.type)
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{
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case Token::Type::RegisterExpand:
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@ -800,17 +803,16 @@ Completions CommandManager::complete(const Context& context,
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case Token::Type::RawQuoted:
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{
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StringView command_name = tokens.front().content;
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if (command_name != m_last_complete_command)
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{
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m_last_complete_command = command_name.str();
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flags |= CompletionFlags::Start;
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}
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auto command_it = m_commands.find(resolve_alias(context, command_name));
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if (command_it == m_commands.end())
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auto command_it = commands.find(resolve_alias(context, command_name));
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if (command_it == commands.end())
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return Completions{};
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auto& command = command_it->value;
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if (command_name != m_last_complete_command)
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{
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m_last_complete_command = command_name.str();
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m_command_completer = command.completer;
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}
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auto raw_params = tokens | skip(1) | transform(&Token::content) | gather<Vector<String>>();
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ParametersParser parser{raw_params, command.param_desc, true};
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@ -841,13 +843,13 @@ Completions CommandManager::complete(const Context& context,
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break;
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}
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if (not command.completer)
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if (not m_command_completer)
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return Completions{};
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Vector<String> params{parser.begin(), parser.end()};
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auto index = params.size() - 1;
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return offset_pos(requote(command.completer(context, flags, params, index, pos_in_token), token.type), start);
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return offset_pos(requote(m_command_completer(context, flags, params, index, pos_in_token), token.type), start);
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}
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case Token::Type::Expand:
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return complete_expand(context, flags, token.content, start, cursor_pos, pos_in_token);
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@ -857,26 +859,26 @@ Completions CommandManager::complete(const Context& context,
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return Completions{};
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}
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Completions CommandManager::complete(const Context& context,
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CompletionFlags flags,
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CommandParameters params,
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size_t token_to_complete,
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ByteCount pos_in_token)
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Completions CommandManager::NestedCompleter::operator()(
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const Context& context, CompletionFlags flags, CommandParameters params,
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size_t token_to_complete, ByteCount pos_in_token)
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{
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StringView prefix = params[token_to_complete].substr(0, pos_in_token);
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if (token_to_complete == 0)
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return complete_command_name(context, prefix);
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return CommandManager::instance().complete_command_name(context, prefix);
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StringView command_name = params[0];
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auto& commands = CommandManager::instance().m_commands;
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if (command_name != m_last_complete_command)
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{
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m_last_complete_command = command_name.str();
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flags |= CompletionFlags::Start;
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auto it = commands.find(resolve_alias(context, command_name));
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if (it != commands.end())
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m_command_completer = it->value.completer;
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}
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auto it = m_commands.find(resolve_alias(context, command_name));
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return (it != m_commands.end() and it->value.completer)
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? it->value.completer(context, flags, params.subrange(1), token_to_complete-1, pos_in_token)
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return m_command_completer
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? m_command_completer(context, flags, params.subrange(1), token_to_complete-1, pos_in_token)
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: Completions{};
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}
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@ -93,13 +93,6 @@ public:
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const ShellContext& shell_context);
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Completions complete(const Context& context, CompletionFlags flags,
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StringView command_line, ByteCount cursor_pos);
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Completions complete(const Context& context, CompletionFlags flags,
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CommandParameters params,
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size_t token_to_complete, ByteCount pos_in_token);
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Optional<CommandInfo> command_info(const Context& context,
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StringView command_line) const;
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@ -116,8 +109,6 @@ public:
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Completions complete_command_name(const Context& context, StringView query) const;
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void clear_last_complete_command() { m_last_complete_command = String{}; }
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bool module_defined(StringView module_name) const;
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void register_module(String module_name, String commands);
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@ -127,6 +118,26 @@ public:
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Completions complete_module_name(StringView query) const;
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struct Completer
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{
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Completions operator()(const Context& context, CompletionFlags flags,
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StringView command_line, ByteCount cursor_pos);
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private:
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String m_last_complete_command;
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CommandCompleter m_command_completer;
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};
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struct NestedCompleter
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{
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Completions operator()(const Context& context, CompletionFlags flags,
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CommandParameters params, size_t token_to_complete, ByteCount pos_in_token);
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private:
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String m_last_complete_command;
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CommandCompleter m_command_completer;
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};
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private:
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struct Command
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{
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@ -139,7 +150,6 @@ private:
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};
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using CommandMap = HashMap<String, Command, MemoryDomain::Commands>;
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CommandMap m_commands;
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String m_last_complete_command;
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int m_command_depth = 0;
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struct Module
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@ -80,7 +80,7 @@ struct PerArgumentCommandCompleter<Completer, Rest...> : PerArgumentCommandCompl
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Completions operator()(const Context& context, CompletionFlags flags,
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CommandParameters params, size_t token_to_complete,
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ByteCount pos_in_token) const
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ByteCount pos_in_token)
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{
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if (token_to_complete == 0)
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{
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@ -284,9 +284,6 @@ struct ShellCandidatesCompleter
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CommandParameters params, size_t token_to_complete,
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ByteCount pos_in_token)
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{
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if (flags & CompletionFlags::Start)
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m_token = -1;
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if (m_token != token_to_complete)
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{
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ShellContext shell_context{
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@ -1140,11 +1137,7 @@ const CommandDesc add_hook_cmd = {
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},
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CommandFlags::None,
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CommandHelper{},
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make_completer(menu(complete_scope), menu(complete_hooks), complete_nothing,
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[](const Context& context, CompletionFlags flags,
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StringView prefix, ByteCount cursor_pos)
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{ return CommandManager::instance().complete(
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context, flags, prefix, cursor_pos); }),
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make_completer(menu(complete_scope), menu(complete_hooks), complete_nothing, CommandManager::Completer{}),
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[](const ParametersParser& parser, Context& context, const ShellContext&)
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{
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auto descs = enum_desc(Meta::Type<Hook>{});
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@ -1270,15 +1263,7 @@ CommandCompleter make_command_completer(StringView type, StringView param, Compl
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return ShellCandidatesCompleter{param.str(), completions_flags};
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}
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else if (type == "command")
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{
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return [](const Context& context, CompletionFlags flags,
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CommandParameters params,
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size_t token_to_complete, ByteCount pos_in_token)
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{
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return CommandManager::instance().complete(
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context, flags, params, token_to_complete, pos_in_token);
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};
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}
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return CommandManager::NestedCompleter{};
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else if (type == "shell")
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{
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return [=](const Context& context, CompletionFlags flags,
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@ -47,7 +47,6 @@ enum class CompletionFlags
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{
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None = 0,
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Fast = 1 << 0,
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Start = 1 << 2,
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};
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constexpr bool with_bit_ops(Meta::Type<CompletionFlags>) { return true; }
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@ -471,17 +471,15 @@ void command(const Context& context, EnvVarMap env_vars, char reg = 0)
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if (not CommandManager::has_instance())
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throw runtime_error{"commands are not supported"};
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CommandManager::instance().clear_last_complete_command();
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String default_command = context.main_sel_register_value(reg ? reg : ':').str();
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context.input_handler().prompt(
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":", {}, default_command,
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context.faces()["Prompt"], PromptFlags::DropHistoryEntriesWithBlankPrefix,
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':',
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[](const Context& context, CompletionFlags flags,
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StringView cmd_line, ByteCount pos) {
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return CommandManager::instance().complete(context, flags, cmd_line, pos);
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[completer=CommandManager::Completer{}](const Context& context, CompletionFlags flags,
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StringView cmd_line, ByteCount pos) mutable {
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return completer(context, flags, cmd_line, pos);
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},
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[env_vars = std::move(env_vars), default_command](StringView cmdline, PromptEvent event, Context& context) {
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if (context.has_client())
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