X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=generate-binding.py;fp=generate-binding.py;h=0000000000000000000000000000000000000000;hb=1958da2130c04fbcc0bf1da2c40b57c785657e48;hp=6c700dedf7bdea2cba3bd92f342eb04d4db5ffe7;hpb=7678bfc942bd501f8e121ff153d1852d73578257;p=staging%2Fwindowmanager.git diff --git a/generate-binding.py b/generate-binding.py deleted file mode 100644 index 6c700de..0000000 --- a/generate-binding.py +++ /dev/null @@ -1,111 +0,0 @@ -#!/usr/bin/python3 - -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', []) - 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(' 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 {', '') - 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 ', '') - p('namespace wm {', '') - p('struct App;', '') - p('struct binding_api {') - p(' typedef wm::result result_type;') - p(' struct wm::App *app;') - 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': 'winman', - 'api': 'g_afb_instance->app.api.', # where are our API functions - 'functions': [ - { - 'name': 'register_surface', - #'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': 'appid', 'type': 'uint32_t', 'jtype': 'int' }, # XXX: lookup jtypes automatically? i.e. char*|const char* would be string? - { 'name': 'surfaceid', 'type': 'uint32_t', 'jtype': 'int' }, - ], - }, - { 'name': 'debug_status', }, - { 'name': 'debug_layers', }, - { 'name': 'debug_surfaces', }, - ] -} - -def main(): - with open('afb_binding.inl', 'w') as out: - set_output(out) - p('// This file was generated, do not edit', '') - generate_names(API) - emit_binding(API) - with open('afb_api.hpp', 'w') as out: - set_output(out) - p('// This file was generated, do not edit', '') - emit_afb_api(API) - -__name__ == '__main__' and main()