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CppLanguageServer: Add "get_parameters_hint" capability

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Given a call site, the C++ language server can now return the declared
parameters of the called function, as well as the index of the
parameter that the cursor is currently at.
This commit is contained in:
Itamar 2021-07-03 11:55:54 +03:00 • committed by Andreas Kling
parent 232013c05b
commit 32be65a8b4
9 changed files with 181 additions and 2 deletions
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25
Userland/DevTools/HackStudio/LanguageServers/ClientConnection.cpp
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@ -118,4 +118,29 @@ void ClientConnection::find_declaration(GUI::AutocompleteProvider::ProjectLocati
async_declaration_location(GUI::AutocompleteProvider::ProjectLocation { decl_location.value().file, decl_location.value().line, decl_location.value().column });
}
void ClientConnection::get_parameters_hint(GUI::AutocompleteProvider::ProjectLocation const& location)
{
dbgln_if(LANGUAGE_SERVER_DEBUG, "GetFunctionParams: {} {}:{}", location.file, location.line, location.column);
auto document = m_filedb.get(location.file);
if (!document) {
dbgln("file {} has not been opened", location.file);
return;
}
GUI::TextPosition identifier_position = { (size_t)location.line, (size_t)location.column };
auto params = m_autocomplete_engine->get_function_params_hint(location.file, identifier_position);
if (!params.has_value()) {
dbgln("could not get parameters hint");
return;
}
dbgln_if(LANGUAGE_SERVER_DEBUG, "parameters hint:");
for (auto& param : params->params) {
dbgln_if(LANGUAGE_SERVER_DEBUG, "{}", param);
}
dbgln_if(LANGUAGE_SERVER_DEBUG, "Parameter index: {}", params->current_index);
async_parameters_hint_result(params->params, params->current_index);
}
}