diff options
Diffstat (limited to 'lsp-parse.c')
| -rw-r--r-- | lsp-parse.c | 73 |
1 files changed, 72 insertions, 1 deletions
diff --git a/lsp-parse.c b/lsp-parse.c index 07837b5..a892539 100644 --- a/lsp-parse.c +++ b/lsp-parse.c @@ -25,6 +25,7 @@ static WarnUnusedResult bool lsp_expect_number(LSP *lsp, JSONValue value, const return lsp_expect_type(lsp, value, JSON_NUMBER, what); } + static LSPString lsp_response_add_json_string(LSPResponse *response, const JSON *json, JSONString string) { u32 offset = arr_len(response->string_data); arr_set_len(response->string_data, offset + string.len + 1); @@ -80,6 +81,24 @@ static bool parse_range(LSP *lsp, const JSON *json, JSONValue range_value, LSPRa return success; } +static bool parse_document_uri(LSP *lsp, const JSON *json, JSONValue value, LSPDocumentID *id) { + if (value.type != JSON_STRING) { + lsp_set_error(lsp, "Expected string for URI, got %s", + json_type_to_str(value.type)); + return false; + } + char *string = json_string_get_alloc(json, value.val.string); + if (!str_has_prefix(string, "file://")) { + lsp_set_error(lsp, "Can't process non-local URI %s", + string); + free(string); + return false; + } + *id = lsp_document_id(lsp, string + strlen("file://")); + free(string); + return true; +} + static uint32_t *parse_trigger_characters(const JSON *json, JSONArray trigger_chars) { uint32_t *array = NULL; @@ -136,6 +155,12 @@ static void parse_capabilities(LSP *lsp, const JSON *json, JSONObject capabiliti cap->hover_support = true; } + // check for definition support + JSONValue definition_value = json_object_get(json, capabilities, "definitionProvider"); + if (definition_value.type != JSON_UNDEFINED) { + cap->definition_support = true; + } + JSONObject workspace = json_object_get_object(json, capabilities, "workspace"); // check WorkspaceFoldersServerCapabilities JSONObject workspace_folders = json_object_get_object(json, workspace, "workspaceFolders"); @@ -208,7 +233,7 @@ static bool parse_completion(LSP *lsp, const JSON *json, LSPResponse *response) item->text_edit = (LSPTextEdit) { .type = LSP_TEXT_EDIT_PLAIN, .at_cursor = true, - .range = {{0}}, + .range = {{0}, {0}}, .new_text = item->label }; @@ -462,6 +487,47 @@ static bool parse_hover(LSP *lsp, const JSON *json, LSPResponse *response) { return true; } +// parse a Location: {uri: DocumentUri, range: Range} +static bool parse_location(LSP *lsp, const JSON *json, JSONValue value, LSPLocation *location) { + if (value.type != JSON_OBJECT) { + lsp_set_error(lsp, "Expected object for location but got %s", + json_type_to_str(value.type)); + return false; + } + JSONObject object = value.val.object; + JSONValue uri = json_object_get(json, object, "uri"); + if (!parse_document_uri(lsp, json, uri, &location->document)) + return false; + JSONValue range = json_object_get(json, object, "range"); + if (!parse_range(lsp, json, range, &location->range)) + return false; + return true; +} + +static bool parse_definition(LSP *lsp, const JSON *json, LSPResponse *response) { + JSONValue result = json_get(json, "result"); + if (result.type == JSON_NULL) { + // no location + return true; + } + LSPResponseDefinition *definition = &response->data.definition; + if (result.type == JSON_ARRAY) { + JSONArray locations = result.val.array; + if (locations.len == 0) + return true; + for (u32 l = 0; l < locations.len; ++l) { + JSONValue location_json = json_array_get(json, locations, l); + LSPLocation *location = arr_addp(definition->locations); + if (!parse_location(lsp, json, location_json, location)) + return false; + } + return true; + } else { + LSPLocation *location = arr_addp(definition->locations); + return parse_location(lsp, json, result, location); + } +} + // fills request->id/id_string appropriately given the request's json // returns true on success static WarnUnusedResult bool parse_id(JSON *json, LSPRequest *request) { @@ -552,6 +618,8 @@ static bool parse_server2client_request(LSP *lsp, JSON *json, LSPRequest *reques return false; } + + static void process_message(LSP *lsp, JSON *json) { #if 0 @@ -601,6 +669,9 @@ static void process_message(LSP *lsp, JSON *json) { case LSP_REQUEST_HOVER: add_to_messages = parse_hover(lsp, json, &response); break; + case LSP_REQUEST_DEFINITION: + add_to_messages = parse_definition(lsp, json, &response); + break; case LSP_REQUEST_INITIALIZE: { // it's the response to our initialize request! if (result.type == JSON_OBJECT) { |