diff options
Diffstat (limited to 'generate-binding-glue.py')
| -rw-r--r-- | generate-binding-glue.py | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/generate-binding-glue.py b/generate-binding-glue.py deleted file mode 100644 index a7be2da..0000000 --- a/generate-binding-glue.py +++ /dev/null @@ -1,184 +0,0 @@ -#!/usr/bin/python3 - -# -# Copyright (c) 2017 TOYOTA MOTOR CORPORATION -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. -# - -import sys - -OUT = sys.stdout - -def set_output(f): - global OUT - OUT = f - -def p(*args): - OUT.write('\n'.join(args)) - OUT.write('\n') - -def emit_func_impl(api, f): - args = f.get('args', []) - func_name = f.get('name', []) - if "wm_subscribe" == func_name: - p(' json_object *jreq = afb_req_json(req);') - p(' json_object *j = nullptr;') - p(' if (! json_object_object_get_ex(jreq, "event", &j)) {') - p(' afb_req_fail(req, "failed", "Need char const* argument event");') - p(' return;') - p(' }') - p(' int event_type = json_object_get_int(j);') - p(' const char *event_name = g_afb_instance->app.kListEventName[event_type];') - p(' struct afb_event event = g_afb_instance->app.map_afb_event[event_name];') - p(' int ret = afb_req_subscribe(req, event);') - p(' if (ret) {', - ' afb_req_fail(req, "failed", "Error: afb_req_subscribe()");', - ' return;', - ' }') - p(' afb_req_success(req, NULL, "success");') - - else: - if len(args) > 0: - p(' json_object *jreq = afb_req_json(req);', '') - for arg in args: - arg['jtype'] = arg.get('jtype', arg['type']) # add jtype default - p(' json_object *j_%(name)s = nullptr;' % arg, - ' if (! json_object_object_get_ex(jreq, "%(name)s", &j_%(name)s)) {' % arg, - ' afb_req_fail(req, "failed", "Need %(type)s argument %(name)s");' % arg, - ' return;', - ' }', - ' %(type)s a_%(name)s = json_object_get_%(jtype)s(j_%(name)s);' % arg, '') - p(' auto ret = %(api)s' % api + '%(name)s(' % f + ', '.join(map(lambda x: 'a_' + x['name'], args)) + ');') - p(' if (ret.is_err()) {', - ' afb_req_fail(req, "failed", ret.unwrap_err());', - ' return;', - ' }', '') - p(' afb_req_success(req, ret.unwrap(), "success");') - -def emit_func(api, f): - p('void %(impl_name)s(afb_req req) noexcept {' % f) - p(' std::lock_guard<std::mutex> guard(binding_m);') - p(' #ifdef ST') - p(' ST();') - p(' #endif') - p(' if (g_afb_instance == nullptr) {', - ' afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");', - ' return;', - ' }', '', - ' try {', ' // BEGIN impl') - emit_func_impl(api, f) - p(' // END impl', - ' } catch (std::exception &e) {', - ' afb_req_fail_f(req, "failed", "Uncaught exception while calling %(name)s: %%s", e.what());' % f, - ' return;', - ' }', '') - p('}', '') - -def emit_afb_verbs(api): - p('const struct afb_verb_v2 %(name)s_verbs[] = {' % api) - for f in api['functions']: - p(' { "%(name)s", %(impl_name)s, nullptr, nullptr, AFB_SESSION_NONE },' % f) - p(' {}', '};') - -def emit_binding(api): - p('namespace {') - p('std::mutex binding_m;', '') - for func in api['functions']: - emit_func(api, func) - p('} // namespace', '') - emit_afb_verbs(api) - -def generate_names(api): - for f in api['functions']: - f['impl_name'] = '%s_%s_thunk' % (api['name'], f['name']) - -def emit_afb_api(api): - p('#include "result.hpp"', '') - p('#include <json-c/json.h>', '') - p('namespace wm {', '') - p('struct App;', '') - p('struct binding_api {') - p(' typedef wm::result<json_object *> result_type;') - p(' struct wm::App *app;') - p(' void send_event(char const *evname, char const *label);') - p(' void send_event(char const *evname, char const *label, char const *area);') - for f in api['functions']: - p(' result_type %(name)s(' % f + ', '.join(map(lambda x: '%(type)s %(name)s' % x, f.get('args', []))) + ');') - p('};', '') - p('} // namespace wm', '') - -# names must always be valid in c and unique for each function (that is its arguments) -# arguments will be looked up from json request, range checking needs to be implemented -# by the actual API call -API = { - 'name': 'windowmanager', - 'api': 'g_afb_instance->app.api.', # where are our API functions - 'functions': [ - { - 'name': 'requestsurface', - #'return_type': 'int', # Or do they return all just some json? - 'args': [ # describes the functions arguments, and their names as found in the json request - { 'name': 'drawing_name', 'type': 'char const*', 'jtype': 'string' }, - ], - }, - { - 'name': 'requestsurfacexdg', - 'args': [ - { 'name': 'drawing_name', 'type': 'char const*', 'jtype': 'string' }, - { 'name': 'ivi_id', 'type': 'char const*', 'jtype': 'string' }, - ], - }, - { - 'name': 'activatesurface', - 'args': [ - { 'name': 'drawing_name', 'type': 'char const*', 'jtype': 'string' }, - { 'name': 'drawing_area', 'type': 'char const*', 'jtype': 'string' }, - ], - }, - { - 'name': 'deactivatesurface', - 'args': [ - { 'name': 'drawing_name', 'type': 'char const*', 'jtype': 'string' }, - ], - }, - { - 'name': 'enddraw', - 'args': [ - { 'name': 'drawing_name', 'type': 'char const*', 'jtype': 'string' }, - ], - }, - { 'name': 'wm_subscribe', }, - - { 'name': 'list_drawing_names', }, - { 'name': 'ping' }, - - { 'name': 'debug_status', }, - { 'name': 'debug_layers', }, - { 'name': 'debug_surfaces', }, - { 'name': 'debug_terminate' }, - ] -} - -def main(): - with open('afb_binding_glue.inl', 'w') as out: - set_output(out) - p('// This file was generated, do not edit', '') - generate_names(API) - emit_binding(API) - with open('afb_binding_api.hpp', 'w') as out: - set_output(out) - p('// This file was generated, do not edit', '') - emit_afb_api(API) - -__name__ == '__main__' and main() |