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| author | Maxime Coste <mawww@kakoune.org> | 2017-01-29 13:56:05 +0000 |
|---|---|---|
| committer | Maxime Coste <mawww@kakoune.org> | 2017-01-29 13:56:05 +0000 |
| commit | 2052b225d9438328b27acee35a54e3ce1a5ec43e (patch) | |
| tree | 602414581d9839e3764748332165c41b2a90654f /src/command_manager.cc | |
| parent | 753f3a50d10e43134ebeb52b3ec0a10b7ec2b80a (diff) | |
Detect too deep command call stack
Fixes #1163
Diffstat (limited to 'src/command_manager.cc')
| -rw-r--r-- | src/command_manager.cc | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/command_manager.cc b/src/command_manager.cc index 6b79df3c..d8c5bc58 100644 --- a/src/command_manager.cc +++ b/src/command_manager.cc @@ -417,11 +417,18 @@ CommandManager::find_command(const Context& context, const String& name) const void CommandManager::execute_single_command(CommandParameters params, Context& context, const ShellContext& shell_context, - DisplayCoord pos) const + DisplayCoord pos) { if (params.empty()) return; + constexpr int max_command_depth = 100; + if (m_command_depth > max_command_depth) + throw runtime_error("maximum nested command depth hit"); + + ++m_command_depth; + auto pop_cmd = on_scope_end([this] { --m_command_depth; }); + ParameterList param_view(params.begin()+1, params.end()); auto command_it = find_command(context, params[0]); if (command_it == m_commands.end()) |