diff options
Diffstat (limited to 'lsp-parse.c')
| -rw-r--r-- | lsp-parse.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/lsp-parse.c b/lsp-parse.c index e941f1a..ff243fb 100644 --- a/lsp-parse.c +++ b/lsp-parse.c @@ -151,6 +151,35 @@ static uint32_t *parse_trigger_characters(const JSON *json, JSONArray trigger_ch static void parse_capabilities(LSP *lsp, const JSON *json, JSONObject capabilities) { LSPCapabilities *cap = &lsp->capabilities; + { + // document syncing capabilities + JSONValue sync_value = json_object_get(json, capabilities, "textDocumentSync"); + double change_type_double = sync_value.type == JSON_NUMBER + ? sync_value.val.number + : json_object_get_number(json, json_force_object(sync_value), "change"); + int change_type = isfinite(change_type_double) + && change_type_double >= 0 + && change_type_double <= 2 + ? (int)change_type_double + : 0; + bool open_close = true; + if (sync_value.type == JSON_NUMBER) { + // nothing to do. + // i think. it's unclear whether we're supposed to send didOpen/didClose + // with this type (it's deprecated, so the spec isn't giving us any information) + } else if (sync_value.type == JSON_OBJECT) { + JSONObject sync = sync_value.val.object; + open_close = json_object_get_bool(json, sync, "openClose", false); + if (!open_close) { + // we're not even allowed to send didChange without a didOpen first, + // so this should always be zero? spec is really unclear here. + change_type = 0; + } + } + cap->open_close_support = open_close; + cap->sync_support = change_type >= 1; + cap->incremental_sync_support = change_type == 2; + } // check CompletionOptions JSONValue completion_value = json_object_get(json, capabilities, "completionProvider"); |