Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 1 | #include "generate_java.h" |
| 2 | #include "Type.h" |
| 3 | #include <string.h> |
| 4 | #include <stdio.h> |
| 5 | #include <stdlib.h> |
| 6 | #include <string.h> |
| 7 | |
| 8 | Type* SERVICE_CONTAINER_TYPE = new Type("com.android.athome.service", |
Joe Onorato | 4135a7d | 2011-09-15 21:31:15 -0700 | [diff] [blame] | 9 | "AndroidAtHomeServiceContainer", Type::BUILT_IN, false, false, false); |
Joe Onorato | e20125d | 2011-09-23 15:17:52 -0700 | [diff] [blame^] | 10 | Type* PRESENTER_BASE_TYPE = new Type("com.android.athome.service", |
| 11 | "AndroidAtHomePresenter", Type::BUILT_IN, false, false, false); |
| 12 | Type* PRESENTER_LISTENER_BASE_TYPE = new Type("com.android.athome.service", |
| 13 | "AndroidAtHomePresenter.Listener", Type::BUILT_IN, false, false, false); |
| 14 | Type* RPC_BROKER_TYPE = new Type("com.android.athome.utils", "AndroidAtHomeBroker", |
| 15 | Type::BUILT_IN, false, false, false); |
| 16 | Type* RPC_SERVICE_BASE_TYPE = new Type("com.android.athome.service", "AndroidAtHomeService", |
| 17 | Type::BUILT_IN, false, false, false); |
| 18 | Type* RPC_SERVICE_INFO_TYPE = new ParcelableType("com.android.athome.stubs", |
| 19 | "AndroidAtHomeServiceInfo", true, __FILE__, __LINE__); |
| 20 | Type* RPC_RESULT_HANDLER_TYPE = new ParcelableType("com.android.athome.rpc", "RpcResultHandler", |
| 21 | true, __FILE__, __LINE__); |
| 22 | Type* RPC_ERROR_LISTENER_TYPE = new Type("com.android.athome.rpc", "RpcErrorHandler", |
| 23 | Type::BUILT_IN, false, false, false); |
| 24 | |
| 25 | static void generate_create_from_data(Type* t, StatementBlock* addTo, const string& key, |
| 26 | Variable* v, Variable* data, Variable** cl); |
| 27 | static void generate_new_array(Type* t, StatementBlock* addTo, Variable* v, Variable* from); |
| 28 | static void generate_write_to_data(Type* t, StatementBlock* addTo, Expression* k, Variable* v, |
| 29 | Variable* data); |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 30 | |
| 31 | static string |
| 32 | format_int(int n) |
| 33 | { |
| 34 | char str[20]; |
| 35 | sprintf(str, "%d", n); |
| 36 | return string(str); |
| 37 | } |
| 38 | |
| 39 | static string |
| 40 | class_name_leaf(const string& str) |
| 41 | { |
| 42 | string::size_type pos = str.rfind('.'); |
| 43 | if (pos == string::npos) { |
| 44 | return str; |
| 45 | } else { |
| 46 | return string(str, pos+1); |
| 47 | } |
| 48 | } |
| 49 | |
Joe Onorato | e20125d | 2011-09-23 15:17:52 -0700 | [diff] [blame^] | 50 | static string |
| 51 | results_class_name(const string& n) |
| 52 | { |
| 53 | string str = n; |
| 54 | str[0] = toupper(str[0]); |
| 55 | str.insert(0, "On"); |
| 56 | return str; |
| 57 | } |
| 58 | |
| 59 | static string |
| 60 | results_method_name(const string& n) |
| 61 | { |
| 62 | string str = n; |
| 63 | str[0] = toupper(str[0]); |
| 64 | str.insert(0, "on"); |
| 65 | return str; |
| 66 | } |
| 67 | |
| 68 | static string |
| 69 | push_method_name(const string& n) |
| 70 | { |
| 71 | string str = n; |
| 72 | str[0] = toupper(str[0]); |
| 73 | str.insert(0, "push"); |
| 74 | return str; |
| 75 | } |
| 76 | |
| 77 | // ================================================= |
| 78 | class DispatcherClass : public Class |
| 79 | { |
| 80 | public: |
| 81 | DispatcherClass(const interface_type* iface, Expression* target); |
| 82 | virtual ~DispatcherClass(); |
| 83 | |
| 84 | void AddMethod(const method_type* method); |
| 85 | void DoneWithMethods(); |
| 86 | |
| 87 | Method* processMethod; |
| 88 | Variable* actionParam; |
| 89 | Variable* requestParam; |
| 90 | Variable* errorParam; |
| 91 | Variable* requestData; |
| 92 | Variable* resultData; |
| 93 | IfStatement* dispatchIfStatement; |
| 94 | Expression* targetExpression; |
| 95 | |
| 96 | private: |
| 97 | void generate_process(); |
| 98 | }; |
| 99 | |
| 100 | DispatcherClass::DispatcherClass(const interface_type* iface, Expression* target) |
| 101 | :Class(), |
| 102 | dispatchIfStatement(NULL), |
| 103 | targetExpression(target) |
| 104 | { |
| 105 | generate_process(); |
| 106 | } |
| 107 | |
| 108 | DispatcherClass::~DispatcherClass() |
| 109 | { |
| 110 | } |
| 111 | |
| 112 | void |
| 113 | DispatcherClass::generate_process() |
| 114 | { |
| 115 | // byte[] process(String action, byte[] params, RpcError status) |
| 116 | this->processMethod = new Method; |
| 117 | this->processMethod->modifiers = PUBLIC; |
| 118 | this->processMethod->returnType = BYTE_TYPE; |
| 119 | this->processMethod->returnTypeDimension = 1; |
| 120 | this->processMethod->name = "process"; |
| 121 | this->processMethod->statements = new StatementBlock; |
| 122 | |
| 123 | this->actionParam = new Variable(STRING_TYPE, "action"); |
| 124 | this->processMethod->parameters.push_back(this->actionParam); |
| 125 | |
| 126 | this->requestParam = new Variable(BYTE_TYPE, "requestParam", 1); |
| 127 | this->processMethod->parameters.push_back(this->requestParam); |
| 128 | |
| 129 | this->errorParam = new Variable(RPC_ERROR_TYPE, "errorParam", 0); |
| 130 | this->processMethod->parameters.push_back(this->errorParam); |
| 131 | |
| 132 | this->requestData = new Variable(RPC_DATA_TYPE, "request"); |
| 133 | this->processMethod->statements->Add(new VariableDeclaration(requestData, |
| 134 | new NewExpression(RPC_DATA_TYPE, 1, this->requestParam))); |
| 135 | |
| 136 | this->resultData = new Variable(RPC_DATA_TYPE, "resultData"); |
| 137 | this->processMethod->statements->Add(new VariableDeclaration(this->resultData, |
| 138 | NULL_VALUE)); |
| 139 | } |
| 140 | |
| 141 | void |
| 142 | DispatcherClass::AddMethod(const method_type* method) |
| 143 | { |
| 144 | arg_type* arg; |
| 145 | |
| 146 | // The if/switch statement |
| 147 | IfStatement* ifs = new IfStatement(); |
| 148 | ifs->expression = new MethodCall(new StringLiteralExpression(method->name.data), "equals", |
| 149 | 1, this->actionParam); |
| 150 | StatementBlock* block = ifs->statements = new StatementBlock; |
| 151 | if (this->dispatchIfStatement == NULL) { |
| 152 | this->dispatchIfStatement = ifs; |
| 153 | this->processMethod->statements->Add(dispatchIfStatement); |
| 154 | } else { |
| 155 | this->dispatchIfStatement->elseif = ifs; |
| 156 | this->dispatchIfStatement = ifs; |
| 157 | } |
| 158 | |
| 159 | // The call to decl (from above) |
| 160 | MethodCall* realCall = new MethodCall(this->targetExpression, method->name.data); |
| 161 | |
| 162 | // args |
| 163 | Variable* classLoader = NULL; |
| 164 | VariableFactory stubArgs("_arg"); |
| 165 | arg = method->args; |
| 166 | while (arg != NULL) { |
| 167 | Type* t = NAMES.Search(arg->type.type.data); |
| 168 | Variable* v = stubArgs.Get(t); |
| 169 | v->dimension = arg->type.dimension; |
| 170 | |
| 171 | // Unmarshall the parameter |
| 172 | block->Add(new VariableDeclaration(v)); |
| 173 | if (convert_direction(arg->direction.data) & IN_PARAMETER) { |
| 174 | generate_create_from_data(t, block, arg->name.data, v, |
| 175 | this->requestData, &classLoader); |
| 176 | } else { |
| 177 | if (arg->type.dimension == 0) { |
| 178 | block->Add(new Assignment(v, new NewExpression(v->type))); |
| 179 | } |
| 180 | else if (arg->type.dimension == 1) { |
| 181 | generate_new_array(v->type, block, v, this->requestData); |
| 182 | } |
| 183 | else { |
| 184 | fprintf(stderr, "aidl:internal error %s:%d\n", __FILE__, |
| 185 | __LINE__); |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | // Add that parameter to the method call |
| 190 | realCall->arguments.push_back(v); |
| 191 | |
| 192 | arg = arg->next; |
| 193 | } |
| 194 | |
| 195 | |
| 196 | Type* returnType = NAMES.Search(method->type.type.data); |
| 197 | if (returnType == EVENT_FAKE_TYPE) { |
| 198 | returnType = VOID_TYPE; |
| 199 | } |
| 200 | |
| 201 | // the real call |
| 202 | bool first = true; |
| 203 | Variable* _result = NULL; |
| 204 | if (returnType == VOID_TYPE) { |
| 205 | block->Add(realCall); |
| 206 | } else { |
| 207 | _result = new Variable(returnType, "_result", |
| 208 | method->type.dimension); |
| 209 | block->Add(new VariableDeclaration(_result, realCall)); |
| 210 | |
| 211 | // need the result RpcData |
| 212 | if (first) { |
| 213 | block->Add(new Assignment(this->resultData, |
| 214 | new NewExpression(RPC_DATA_TYPE))); |
| 215 | first = false; |
| 216 | } |
| 217 | |
| 218 | // marshall the return value |
| 219 | generate_write_to_data(returnType, block, |
| 220 | new StringLiteralExpression("_result"), _result, this->resultData); |
| 221 | } |
| 222 | |
| 223 | // out parameters |
| 224 | int i = 0; |
| 225 | arg = method->args; |
| 226 | while (arg != NULL) { |
| 227 | Type* t = NAMES.Search(arg->type.type.data); |
| 228 | Variable* v = stubArgs.Get(i++); |
| 229 | |
| 230 | if (convert_direction(arg->direction.data) & OUT_PARAMETER) { |
| 231 | // need the result RpcData |
| 232 | if (first) { |
| 233 | block->Add(new Assignment(this->resultData, new NewExpression(RPC_DATA_TYPE))); |
| 234 | first = false; |
| 235 | } |
| 236 | |
| 237 | generate_write_to_data(t, block, new StringLiteralExpression(arg->name.data), |
| 238 | v, this->resultData); |
| 239 | } |
| 240 | |
| 241 | arg = arg->next; |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | void |
| 246 | DispatcherClass::DoneWithMethods() |
| 247 | { |
| 248 | if (this->dispatchIfStatement == NULL) { |
| 249 | return; |
| 250 | } |
| 251 | |
| 252 | this->elements.push_back(this->processMethod); |
| 253 | |
| 254 | IfStatement* fallthrough = new IfStatement(); |
| 255 | fallthrough->statements = new StatementBlock; |
| 256 | fallthrough->statements->Add(new ReturnStatement( |
| 257 | new MethodCall(SUPER_VALUE, "process", 3, this->actionParam, this->requestParam, |
| 258 | this->errorParam))); |
| 259 | this->dispatchIfStatement->elseif = fallthrough; |
| 260 | IfStatement* s = new IfStatement; |
| 261 | s->statements = new StatementBlock; |
| 262 | this->processMethod->statements->Add(s); |
| 263 | s->expression = new Comparison(this->resultData, "!=", NULL_VALUE); |
| 264 | s->statements->Add(new ReturnStatement(new MethodCall(this->resultData, "serialize"))); |
| 265 | s->elseif = new IfStatement; |
| 266 | s = s->elseif; |
| 267 | s->statements->Add(new ReturnStatement(NULL_VALUE)); |
| 268 | } |
| 269 | |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 270 | // ================================================= |
| 271 | class RpcProxyClass : public Class |
| 272 | { |
| 273 | public: |
| 274 | RpcProxyClass(const interface_type* iface, InterfaceType* interfaceType); |
| 275 | virtual ~RpcProxyClass(); |
| 276 | |
| 277 | Variable* endpoint; |
| 278 | Variable* context; |
| 279 | |
| 280 | private: |
| 281 | void generate_ctor(); |
| 282 | }; |
| 283 | |
| 284 | RpcProxyClass::RpcProxyClass(const interface_type* iface, InterfaceType* interfaceType) |
| 285 | :Class() |
| 286 | { |
| 287 | this->comment = gather_comments(iface->comments_token->extra); |
| 288 | this->modifiers = PUBLIC; |
| 289 | this->what = Class::CLASS; |
| 290 | this->type = interfaceType; |
| 291 | |
| 292 | // context |
| 293 | this->context = new Variable(CONTEXT_TYPE, "_context"); |
| 294 | this->elements.push_back(new Field(PRIVATE, this->context)); |
| 295 | // endpoint |
Joe Onorato | e20125d | 2011-09-23 15:17:52 -0700 | [diff] [blame^] | 296 | this->endpoint = new Variable(RPC_SERVICE_INFO_TYPE, "_endpoint"); |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 297 | this->elements.push_back(new Field(PRIVATE, this->endpoint)); |
| 298 | |
| 299 | // methods |
| 300 | generate_ctor(); |
| 301 | } |
| 302 | |
| 303 | RpcProxyClass::~RpcProxyClass() |
| 304 | { |
| 305 | } |
| 306 | |
| 307 | void |
| 308 | RpcProxyClass::generate_ctor() |
| 309 | { |
| 310 | Variable* context = new Variable(CONTEXT_TYPE, "context"); |
Joe Onorato | e20125d | 2011-09-23 15:17:52 -0700 | [diff] [blame^] | 311 | Variable* endpoint = new Variable(RPC_SERVICE_INFO_TYPE, "endpoint"); |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 312 | Method* ctor = new Method; |
| 313 | ctor->modifiers = PUBLIC; |
Joe Onorato | e20125d | 2011-09-23 15:17:52 -0700 | [diff] [blame^] | 314 | ctor->name = class_name_leaf(this->type->Name()); |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 315 | ctor->statements = new StatementBlock; |
| 316 | ctor->parameters.push_back(context); |
| 317 | ctor->parameters.push_back(endpoint); |
| 318 | this->elements.push_back(ctor); |
| 319 | |
| 320 | ctor->statements->Add(new Assignment(this->context, context)); |
| 321 | ctor->statements->Add(new Assignment(this->endpoint, endpoint)); |
| 322 | } |
| 323 | |
| 324 | // ================================================= |
Joe Onorato | e20125d | 2011-09-23 15:17:52 -0700 | [diff] [blame^] | 325 | class PresenterClass : public DispatcherClass |
| 326 | { |
| 327 | public: |
| 328 | PresenterClass(const interface_type* iface, Type* listenerType); |
| 329 | virtual ~PresenterClass(); |
| 330 | |
| 331 | Variable* _listener; |
| 332 | |
| 333 | private: |
| 334 | void generate_ctor(); |
| 335 | }; |
| 336 | |
| 337 | Expression* |
| 338 | generate_get_listener_expression(Type* cast) |
| 339 | { |
| 340 | return new Cast(cast, new MethodCall(THIS_VALUE, "getView")); |
| 341 | } |
| 342 | |
| 343 | PresenterClass::PresenterClass(const interface_type* iface, Type* listenerType) |
| 344 | :DispatcherClass(iface, generate_get_listener_expression(listenerType)) |
| 345 | { |
| 346 | this->modifiers = PRIVATE; |
| 347 | this->what = Class::CLASS; |
| 348 | this->type = new Type(iface->package ? iface->package : "", |
| 349 | append(iface->name.data, ".Presenter"), |
| 350 | Type::GENERATED, false, false, false); |
| 351 | this->extends = PRESENTER_BASE_TYPE; |
| 352 | |
| 353 | this->_listener = new Variable(listenerType, "_listener"); |
| 354 | |
| 355 | // methods |
| 356 | generate_ctor(); |
| 357 | } |
| 358 | |
| 359 | PresenterClass::~PresenterClass() |
| 360 | { |
| 361 | } |
| 362 | |
| 363 | void |
| 364 | PresenterClass::generate_ctor() |
| 365 | { |
| 366 | Variable* context = new Variable(CONTEXT_TYPE, "context"); |
| 367 | Variable* endpoint = new Variable(RPC_SERVICE_INFO_TYPE, "endpoint"); |
| 368 | Variable* listener = new Variable(this->_listener->type, "listener"); |
| 369 | Method* ctor = new Method; |
| 370 | ctor->modifiers = PUBLIC; |
| 371 | ctor->name = class_name_leaf(this->type->Name()); |
| 372 | ctor->statements = new StatementBlock; |
| 373 | ctor->parameters.push_back(context); |
| 374 | ctor->parameters.push_back(endpoint); |
| 375 | ctor->parameters.push_back(listener); |
| 376 | this->elements.push_back(ctor); |
| 377 | |
| 378 | ctor->statements->Add(new MethodCall("super", 3, context, endpoint, listener)); |
| 379 | ctor->statements->Add(new Assignment(this->_listener, listener)); |
| 380 | } |
| 381 | |
| 382 | // ================================================= |
| 383 | class ListenerClass : public Class |
| 384 | { |
| 385 | public: |
| 386 | ListenerClass(const interface_type* iface); |
| 387 | virtual ~ListenerClass(); |
| 388 | |
| 389 | bool needed; |
| 390 | |
| 391 | private: |
| 392 | void generate_ctor(); |
| 393 | }; |
| 394 | |
| 395 | ListenerClass::ListenerClass(const interface_type* iface) |
| 396 | :Class(), |
| 397 | needed(false) |
| 398 | { |
| 399 | this->comment = "/** Extend this to listen to the events from this class. */"; |
| 400 | this->modifiers = STATIC | PUBLIC ; |
| 401 | this->what = Class::CLASS; |
| 402 | this->type = new Type(iface->package ? iface->package : "", |
| 403 | append(iface->name.data, ".Listener"), |
| 404 | Type::GENERATED, false, false, false); |
| 405 | this->extends = PRESENTER_LISTENER_BASE_TYPE; |
| 406 | } |
| 407 | |
| 408 | ListenerClass::~ListenerClass() |
| 409 | { |
| 410 | } |
| 411 | |
| 412 | // ================================================= |
| 413 | class ServiceBaseClass : public DispatcherClass |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 414 | { |
| 415 | public: |
| 416 | ServiceBaseClass(const interface_type* iface); |
| 417 | virtual ~ServiceBaseClass(); |
| 418 | |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 419 | bool needed; |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 420 | |
| 421 | private: |
| 422 | void generate_ctor(); |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 423 | }; |
| 424 | |
| 425 | ServiceBaseClass::ServiceBaseClass(const interface_type* iface) |
Joe Onorato | e20125d | 2011-09-23 15:17:52 -0700 | [diff] [blame^] | 426 | :DispatcherClass(iface, THIS_VALUE), |
| 427 | needed(false) |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 428 | { |
| 429 | this->comment = "/** Extend this to implement a link service. */"; |
| 430 | this->modifiers = STATIC | PUBLIC | ABSTRACT; |
| 431 | this->what = Class::CLASS; |
Joe Onorato | e20125d | 2011-09-23 15:17:52 -0700 | [diff] [blame^] | 432 | this->type = new Type(iface->package ? iface->package : "", |
| 433 | append(iface->name.data, ".ServiceBase"), |
| 434 | Type::GENERATED, false, false, false); |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 435 | this->extends = RPC_SERVICE_BASE_TYPE; |
| 436 | |
| 437 | // methods |
| 438 | generate_ctor(); |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 439 | } |
| 440 | |
| 441 | ServiceBaseClass::~ServiceBaseClass() |
| 442 | { |
| 443 | } |
| 444 | |
| 445 | void |
| 446 | ServiceBaseClass::generate_ctor() |
| 447 | { |
| 448 | Variable* container = new Variable(SERVICE_CONTAINER_TYPE, "container"); |
| 449 | Variable* name = new Variable(STRING_TYPE, "name"); |
| 450 | Variable* type = new Variable(STRING_TYPE, "type"); |
| 451 | Variable* version = new Variable(INT_TYPE, "version"); |
| 452 | Method* ctor = new Method; |
| 453 | ctor->modifiers = PUBLIC; |
| 454 | ctor->name = class_name_leaf(this->type->Name()); |
| 455 | ctor->statements = new StatementBlock; |
| 456 | ctor->parameters.push_back(container); |
| 457 | ctor->parameters.push_back(name); |
| 458 | ctor->parameters.push_back(type); |
| 459 | ctor->parameters.push_back(version); |
| 460 | this->elements.push_back(ctor); |
| 461 | |
| 462 | ctor->statements->Add(new MethodCall("super", 4, container, name, type, version)); |
| 463 | } |
| 464 | |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 465 | // ================================================= |
| 466 | class ResultDispatcherClass : public Class |
| 467 | { |
| 468 | public: |
| 469 | ResultDispatcherClass(); |
| 470 | virtual ~ResultDispatcherClass(); |
| 471 | |
| 472 | void AddMethod(int index, const string& name, Method** method, Variable** param); |
| 473 | |
| 474 | bool needed; |
| 475 | Variable* methodId; |
| 476 | Variable* callback; |
| 477 | Method* onResultMethod; |
| 478 | Variable* resultParam; |
| 479 | SwitchStatement* methodSwitch; |
| 480 | |
| 481 | private: |
| 482 | void generate_ctor(); |
| 483 | void generate_onResult(); |
| 484 | }; |
| 485 | |
| 486 | ResultDispatcherClass::ResultDispatcherClass() |
| 487 | :Class(), |
| 488 | needed(false) |
| 489 | { |
| 490 | this->modifiers = PRIVATE | FINAL; |
| 491 | this->what = Class::CLASS; |
Joe Onorato | 4135a7d | 2011-09-15 21:31:15 -0700 | [diff] [blame] | 492 | this->type = new Type("_ResultDispatcher", Type::GENERATED, false, false, false); |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 493 | this->interfaces.push_back(RPC_RESULT_HANDLER_TYPE); |
| 494 | |
| 495 | // methodId |
| 496 | this->methodId = new Variable(INT_TYPE, "methodId"); |
| 497 | this->elements.push_back(new Field(PRIVATE, this->methodId)); |
| 498 | this->callback = new Variable(OBJECT_TYPE, "callback"); |
| 499 | this->elements.push_back(new Field(PRIVATE, this->callback)); |
| 500 | |
| 501 | // methods |
| 502 | generate_ctor(); |
| 503 | generate_onResult(); |
| 504 | } |
| 505 | |
| 506 | ResultDispatcherClass::~ResultDispatcherClass() |
| 507 | { |
| 508 | } |
| 509 | |
| 510 | void |
| 511 | ResultDispatcherClass::generate_ctor() |
| 512 | { |
| 513 | Variable* methodIdParam = new Variable(INT_TYPE, "methId"); |
| 514 | Variable* callbackParam = new Variable(OBJECT_TYPE, "cbObj"); |
| 515 | Method* ctor = new Method; |
| 516 | ctor->modifiers = PUBLIC; |
Joe Onorato | e20125d | 2011-09-23 15:17:52 -0700 | [diff] [blame^] | 517 | ctor->name = class_name_leaf(this->type->Name()); |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 518 | ctor->statements = new StatementBlock; |
| 519 | ctor->parameters.push_back(methodIdParam); |
| 520 | ctor->parameters.push_back(callbackParam); |
| 521 | this->elements.push_back(ctor); |
| 522 | |
| 523 | ctor->statements->Add(new Assignment(this->methodId, methodIdParam)); |
| 524 | ctor->statements->Add(new Assignment(this->callback, callbackParam)); |
| 525 | } |
| 526 | |
| 527 | void |
| 528 | ResultDispatcherClass::generate_onResult() |
| 529 | { |
| 530 | this->onResultMethod = new Method; |
| 531 | this->onResultMethod->modifiers = PUBLIC; |
| 532 | this->onResultMethod->returnType = VOID_TYPE; |
| 533 | this->onResultMethod->returnTypeDimension = 0; |
| 534 | this->onResultMethod->name = "onResult"; |
| 535 | this->onResultMethod->statements = new StatementBlock; |
| 536 | this->elements.push_back(this->onResultMethod); |
| 537 | |
| 538 | this->resultParam = new Variable(BYTE_TYPE, "result", 1); |
| 539 | this->onResultMethod->parameters.push_back(this->resultParam); |
| 540 | |
| 541 | this->methodSwitch = new SwitchStatement(this->methodId); |
| 542 | this->onResultMethod->statements->Add(this->methodSwitch); |
| 543 | } |
| 544 | |
| 545 | void |
| 546 | ResultDispatcherClass::AddMethod(int index, const string& name, Method** method, Variable** param) |
| 547 | { |
| 548 | Method* m = new Method; |
| 549 | m->modifiers = PUBLIC; |
| 550 | m->returnType = VOID_TYPE; |
| 551 | m->returnTypeDimension = 0; |
| 552 | m->name = name; |
| 553 | m->statements = new StatementBlock; |
| 554 | *param = new Variable(BYTE_TYPE, "result", 1); |
| 555 | m->parameters.push_back(*param); |
| 556 | this->elements.push_back(m); |
| 557 | *method = m; |
| 558 | |
| 559 | Case* c = new Case(format_int(index)); |
| 560 | c->statements->Add(new MethodCall(new LiteralExpression("this"), name, 1, this->resultParam)); |
Joe Onorato | 3d0e06f | 2011-09-02 15:28:36 -0700 | [diff] [blame] | 561 | c->statements->Add(new Break()); |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 562 | |
| 563 | this->methodSwitch->cases.push_back(c); |
| 564 | } |
| 565 | |
| 566 | // ================================================= |
| 567 | static void |
| 568 | generate_new_array(Type* t, StatementBlock* addTo, Variable* v, Variable* from) |
| 569 | { |
| 570 | fprintf(stderr, "aidl: implement generate_new_array %s:%d\n", __FILE__, __LINE__); |
| 571 | exit(1); |
| 572 | } |
| 573 | |
| 574 | static void |
| 575 | generate_create_from_data(Type* t, StatementBlock* addTo, const string& key, Variable* v, |
| 576 | Variable* data, Variable** cl) |
| 577 | { |
| 578 | Expression* k = new StringLiteralExpression(key); |
| 579 | if (v->dimension == 0) { |
| 580 | t->CreateFromRpcData(addTo, k, v, data, cl); |
| 581 | } |
| 582 | if (v->dimension == 1) { |
| 583 | //t->ReadArrayFromRpcData(addTo, v, data, cl); |
| 584 | fprintf(stderr, "aidl: implement generate_create_from_data for arrays%s:%d\n", |
| 585 | __FILE__, __LINE__); |
| 586 | } |
| 587 | } |
| 588 | |
| 589 | static void |
| 590 | generate_write_to_data(Type* t, StatementBlock* addTo, Expression* k, Variable* v, Variable* data) |
| 591 | { |
| 592 | if (v->dimension == 0) { |
| 593 | t->WriteToRpcData(addTo, k, v, data, 0); |
| 594 | } |
| 595 | if (v->dimension == 1) { |
| 596 | //t->WriteArrayToParcel(addTo, v, data); |
| 597 | fprintf(stderr, "aidl: implement generate_write_to_data for arrays%s:%d\n", |
| 598 | __FILE__, __LINE__); |
| 599 | } |
| 600 | } |
| 601 | |
| 602 | // ================================================= |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 603 | static Type* |
| 604 | generate_results_method(const method_type* method, RpcProxyClass* proxyClass) |
| 605 | { |
| 606 | arg_type* arg; |
| 607 | |
| 608 | string resultsMethodName = results_method_name(method->name.data); |
| 609 | Type* resultsInterfaceType = new Type(results_class_name(method->name.data), |
Joe Onorato | 4135a7d | 2011-09-15 21:31:15 -0700 | [diff] [blame] | 610 | Type::GENERATED, false, false, false); |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 611 | |
| 612 | if (!method->oneway) { |
| 613 | Class* resultsClass = new Class; |
| 614 | resultsClass->modifiers = STATIC | PUBLIC; |
| 615 | resultsClass->what = Class::INTERFACE; |
| 616 | resultsClass->type = resultsInterfaceType; |
| 617 | |
| 618 | Method* resultMethod = new Method; |
| 619 | resultMethod->comment = gather_comments(method->comments_token->extra); |
| 620 | resultMethod->modifiers = PUBLIC; |
| 621 | resultMethod->returnType = VOID_TYPE; |
| 622 | resultMethod->returnTypeDimension = 0; |
| 623 | resultMethod->name = resultsMethodName; |
| 624 | if (0 != strcmp("void", method->type.type.data)) { |
| 625 | resultMethod->parameters.push_back(new Variable(NAMES.Search(method->type.type.data), |
| 626 | "_result", method->type.dimension)); |
| 627 | } |
| 628 | arg = method->args; |
| 629 | while (arg != NULL) { |
| 630 | if (convert_direction(arg->direction.data) & OUT_PARAMETER) { |
| 631 | resultMethod->parameters.push_back(new Variable( |
| 632 | NAMES.Search(arg->type.type.data), arg->name.data, |
| 633 | arg->type.dimension)); |
| 634 | } |
| 635 | arg = arg->next; |
| 636 | } |
| 637 | resultsClass->elements.push_back(resultMethod); |
| 638 | |
| 639 | if (resultMethod->parameters.size() > 0) { |
| 640 | proxyClass->elements.push_back(resultsClass); |
| 641 | return resultsInterfaceType; |
| 642 | } |
| 643 | } |
| 644 | //delete resultsInterfaceType; |
| 645 | return NULL; |
| 646 | } |
| 647 | |
| 648 | static void |
| 649 | generate_proxy_method(const method_type* method, RpcProxyClass* proxyClass, |
| 650 | ResultDispatcherClass* resultsDispatcherClass, Type* resultsInterfaceType, int index) |
| 651 | { |
| 652 | arg_type* arg; |
| 653 | Method* proxyMethod = new Method; |
| 654 | proxyMethod->comment = gather_comments(method->comments_token->extra); |
| 655 | proxyMethod->modifiers = PUBLIC; |
| 656 | proxyMethod->returnType = VOID_TYPE; |
| 657 | proxyMethod->returnTypeDimension = 0; |
| 658 | proxyMethod->name = method->name.data; |
| 659 | proxyMethod->statements = new StatementBlock; |
| 660 | proxyClass->elements.push_back(proxyMethod); |
| 661 | |
| 662 | // The local variables |
| 663 | Variable* _data = new Variable(RPC_DATA_TYPE, "_data"); |
| 664 | proxyMethod->statements->Add(new VariableDeclaration(_data, new NewExpression(RPC_DATA_TYPE))); |
| 665 | |
| 666 | // Add the arguments |
| 667 | arg = method->args; |
| 668 | while (arg != NULL) { |
| 669 | if (convert_direction(arg->direction.data) & IN_PARAMETER) { |
| 670 | // Function signature |
| 671 | Type* t = NAMES.Search(arg->type.type.data); |
| 672 | Variable* v = new Variable(t, arg->name.data, arg->type.dimension); |
| 673 | proxyMethod->parameters.push_back(v); |
| 674 | |
| 675 | // Input parameter marshalling |
| 676 | generate_write_to_data(t, proxyMethod->statements, |
| 677 | new StringLiteralExpression(arg->name.data), v, _data); |
| 678 | } |
| 679 | arg = arg->next; |
| 680 | } |
| 681 | |
| 682 | // If there is a results interface for this class |
| 683 | Expression* resultParameter; |
| 684 | if (resultsInterfaceType != NULL) { |
| 685 | // Result interface parameter |
| 686 | Variable* resultListener = new Variable(resultsInterfaceType, "_result"); |
| 687 | proxyMethod->parameters.push_back(resultListener); |
| 688 | |
| 689 | // Add the results dispatcher callback |
| 690 | resultsDispatcherClass->needed = true; |
| 691 | resultParameter = new NewExpression(resultsDispatcherClass->type, 2, |
| 692 | new LiteralExpression(format_int(index)), resultListener); |
| 693 | } else { |
| 694 | resultParameter = NULL_VALUE; |
| 695 | } |
| 696 | |
| 697 | // All proxy methods take an error parameter |
| 698 | Variable* errorListener = new Variable(RPC_ERROR_LISTENER_TYPE, "_errors"); |
| 699 | proxyMethod->parameters.push_back(errorListener); |
| 700 | |
| 701 | // Call the broker |
| 702 | proxyMethod->statements->Add(new MethodCall(RPC_BROKER_TYPE, "sendRequest", 6, |
| 703 | new FieldVariable(THIS_VALUE, "_context"), |
| 704 | new StringLiteralExpression(method->name.data), |
| 705 | proxyClass->endpoint, |
| 706 | new MethodCall(_data, "serialize"), |
| 707 | resultParameter, |
| 708 | errorListener)); |
| 709 | } |
| 710 | |
| 711 | static void |
| 712 | generate_result_dispatcher_method(const method_type* method, |
| 713 | ResultDispatcherClass* resultsDispatcherClass, Type* resultsInterfaceType, int index) |
| 714 | { |
| 715 | arg_type* arg; |
| 716 | Method* dispatchMethod; |
| 717 | Variable* dispatchParam; |
| 718 | resultsDispatcherClass->AddMethod(index, method->name.data, &dispatchMethod, &dispatchParam); |
| 719 | |
| 720 | Variable* classLoader = NULL; |
| 721 | Variable* resultData = new Variable(RPC_DATA_TYPE, "resultData"); |
| 722 | dispatchMethod->statements->Add(new VariableDeclaration(resultData, |
| 723 | new NewExpression(RPC_DATA_TYPE, 1, dispatchParam))); |
| 724 | |
| 725 | // The callback method itself |
| 726 | MethodCall* realCall = new MethodCall( |
| 727 | new Cast(resultsInterfaceType, new FieldVariable(THIS_VALUE, "callback")), |
| 728 | results_method_name(method->name.data)); |
| 729 | |
| 730 | // The return value |
| 731 | { |
| 732 | Type* t = NAMES.Search(method->type.type.data); |
| 733 | Variable* rv = new Variable(t, "rv"); |
| 734 | dispatchMethod->statements->Add(new VariableDeclaration(rv)); |
| 735 | generate_create_from_data(t, dispatchMethod->statements, "_result", rv, |
| 736 | resultData, &classLoader); |
| 737 | realCall->arguments.push_back(rv); |
| 738 | } |
| 739 | |
| 740 | VariableFactory stubArgs("arg"); |
| 741 | arg = method->args; |
| 742 | while (arg != NULL) { |
| 743 | if (convert_direction(arg->direction.data) & OUT_PARAMETER) { |
| 744 | // Unmarshall the results |
| 745 | Type* t = NAMES.Search(arg->type.type.data); |
| 746 | Variable* v = stubArgs.Get(t); |
| 747 | dispatchMethod->statements->Add(new VariableDeclaration(v)); |
| 748 | |
| 749 | generate_create_from_data(t, dispatchMethod->statements, arg->name.data, v, |
| 750 | resultData, &classLoader); |
| 751 | |
| 752 | // Add the argument to the callback |
| 753 | realCall->arguments.push_back(v); |
| 754 | } |
| 755 | arg = arg->next; |
| 756 | } |
| 757 | |
| 758 | // Call the callback method |
| 759 | dispatchMethod->statements->Add(realCall); |
| 760 | } |
| 761 | |
| 762 | static void |
Joe Onorato | e20125d | 2011-09-23 15:17:52 -0700 | [diff] [blame^] | 763 | generate_regular_method(const method_type* method, RpcProxyClass* proxyClass, |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 764 | ServiceBaseClass* serviceBaseClass, ResultDispatcherClass* resultsDispatcherClass, |
| 765 | int index) |
| 766 | { |
Joe Onorato | e20125d | 2011-09-23 15:17:52 -0700 | [diff] [blame^] | 767 | arg_type* arg; |
| 768 | |
| 769 | // == the callback interface for results ================================ |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 770 | // the service base class |
| 771 | Type* resultsInterfaceType = generate_results_method(method, proxyClass); |
| 772 | |
| 773 | // == the method in the proxy class ===================================== |
| 774 | generate_proxy_method(method, proxyClass, resultsDispatcherClass, resultsInterfaceType, index); |
| 775 | |
| 776 | // == the method in the result dispatcher class ========================= |
| 777 | if (resultsInterfaceType != NULL) { |
| 778 | generate_result_dispatcher_method(method, resultsDispatcherClass, resultsInterfaceType, |
| 779 | index); |
| 780 | } |
| 781 | |
Joe Onorato | e20125d | 2011-09-23 15:17:52 -0700 | [diff] [blame^] | 782 | // == The abstract method that the service developers implement ========== |
| 783 | Method* decl = new Method; |
| 784 | decl->comment = gather_comments(method->comments_token->extra); |
| 785 | decl->modifiers = PUBLIC | ABSTRACT; |
| 786 | decl->returnType = NAMES.Search(method->type.type.data); |
| 787 | decl->returnTypeDimension = method->type.dimension; |
| 788 | decl->name = method->name.data; |
| 789 | arg = method->args; |
| 790 | while (arg != NULL) { |
| 791 | decl->parameters.push_back(new Variable( |
| 792 | NAMES.Search(arg->type.type.data), arg->name.data, |
| 793 | arg->type.dimension)); |
| 794 | arg = arg->next; |
| 795 | } |
| 796 | serviceBaseClass->elements.push_back(decl); |
| 797 | |
| 798 | |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 799 | // == the dispatch method in the service base class ====================== |
Joe Onorato | e20125d | 2011-09-23 15:17:52 -0700 | [diff] [blame^] | 800 | serviceBaseClass->AddMethod(method); |
| 801 | } |
| 802 | |
| 803 | static void |
| 804 | generate_event_method(const method_type* method, RpcProxyClass* proxyClass, |
| 805 | ServiceBaseClass* serviceBaseClass, ListenerClass* listenerClass, |
| 806 | PresenterClass* presenterClass, int index) |
| 807 | { |
| 808 | arg_type* arg; |
| 809 | listenerClass->needed = true; |
| 810 | |
| 811 | // == the push method in the service base class ========================= |
| 812 | Method* push = new Method; |
| 813 | push->modifiers = PUBLIC; |
| 814 | push->name = push_method_name(method->name.data); |
| 815 | push->statements = new StatementBlock; |
| 816 | push->returnType = VOID_TYPE; |
| 817 | serviceBaseClass->elements.push_back(push); |
| 818 | |
| 819 | // The local variables |
| 820 | Variable* _data = new Variable(RPC_DATA_TYPE, "_data"); |
| 821 | push->statements->Add(new VariableDeclaration(_data, new NewExpression(RPC_DATA_TYPE))); |
| 822 | |
| 823 | // Add the arguments |
| 824 | arg = method->args; |
| 825 | while (arg != NULL) { |
| 826 | // Function signature |
| 827 | Type* t = NAMES.Search(arg->type.type.data); |
| 828 | Variable* v = new Variable(t, arg->name.data, arg->type.dimension); |
| 829 | push->parameters.push_back(v); |
| 830 | |
| 831 | // Input parameter marshalling |
| 832 | generate_write_to_data(t, push->statements, |
| 833 | new StringLiteralExpression(arg->name.data), v, _data); |
| 834 | |
| 835 | arg = arg->next; |
| 836 | } |
| 837 | |
| 838 | // Send the notifications |
| 839 | push->statements->Add(new MethodCall("pushEvent", 2, |
| 840 | new StringLiteralExpression(method->name.data), |
| 841 | new MethodCall(_data, "serialize"))); |
| 842 | |
| 843 | // == the event callback dispatcher method ==================================== |
| 844 | presenterClass->AddMethod(method); |
| 845 | |
| 846 | // == the event method in the listener base class ===================== |
| 847 | Method* event = new Method; |
| 848 | event->modifiers = PUBLIC; |
| 849 | event->name = method->name.data; |
| 850 | event->statements = new StatementBlock; |
| 851 | event->returnType = VOID_TYPE; |
| 852 | listenerClass->elements.push_back(event); |
| 853 | arg = method->args; |
| 854 | while (arg != NULL) { |
| 855 | event->parameters.push_back(new Variable( |
| 856 | NAMES.Search(arg->type.type.data), arg->name.data, |
| 857 | arg->type.dimension)); |
| 858 | arg = arg->next; |
| 859 | } |
| 860 | } |
| 861 | |
| 862 | static void |
| 863 | generate_listener_methods(RpcProxyClass* proxyClass, Type* presenterType, Type* listenerType) |
| 864 | { |
| 865 | // AndroidAtHomePresenter _presenter; |
| 866 | // void registerListener(Listener listener) { |
| 867 | // unregisterListener(); |
| 868 | // _presenter = new Presenter(_context, _endpoint, listener); |
| 869 | // _presenter.attachToModel(); |
| 870 | // } |
| 871 | // void unregisterListener() { |
| 872 | // if (_presenter != null) { |
| 873 | // _presenter.detachFromModel(); |
| 874 | // } |
| 875 | // } |
| 876 | |
| 877 | Variable* _presenter = new Variable(presenterType, "_presenter"); |
| 878 | proxyClass->elements.push_back(new Field(PRIVATE, _presenter)); |
| 879 | |
| 880 | Variable* listener = new Variable(listenerType, "listener"); |
| 881 | |
| 882 | Method* registerMethod = new Method; |
| 883 | registerMethod->modifiers = PUBLIC; |
| 884 | registerMethod->returnType = VOID_TYPE; |
| 885 | registerMethod->name = "registerListener"; |
| 886 | registerMethod->statements = new StatementBlock; |
| 887 | registerMethod->parameters.push_back(listener); |
| 888 | proxyClass->elements.push_back(registerMethod); |
| 889 | |
| 890 | registerMethod->statements->Add(new MethodCall(THIS_VALUE, "unregisterListener")); |
| 891 | registerMethod->statements->Add(new Assignment(_presenter, new NewExpression(presenterType, |
| 892 | 3, proxyClass->context, proxyClass->endpoint, listener))); |
| 893 | registerMethod->statements->Add(new MethodCall(_presenter, "attachToModel")); |
| 894 | |
| 895 | Method* unregisterMethod = new Method; |
| 896 | unregisterMethod->modifiers = PUBLIC; |
| 897 | unregisterMethod->returnType = VOID_TYPE; |
| 898 | unregisterMethod->name = "unregisterListener"; |
| 899 | unregisterMethod->statements = new StatementBlock; |
| 900 | proxyClass->elements.push_back(unregisterMethod); |
| 901 | |
| 902 | IfStatement* ifst = new IfStatement; |
| 903 | ifst->expression = new Comparison(_presenter, "!=", NULL_VALUE); |
| 904 | unregisterMethod->statements->Add(ifst); |
| 905 | |
| 906 | ifst->statements->Add(new MethodCall(_presenter, "detachFromModel")); |
| 907 | ifst->statements->Add(new Assignment(_presenter, NULL_VALUE)); |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 908 | } |
| 909 | |
| 910 | Class* |
| 911 | generate_rpc_interface_class(const interface_type* iface) |
| 912 | { |
| 913 | // the proxy class |
| 914 | InterfaceType* interfaceType = static_cast<InterfaceType*>( |
| 915 | NAMES.Find(iface->package, iface->name.data)); |
| 916 | RpcProxyClass* proxy = new RpcProxyClass(iface, interfaceType); |
| 917 | |
Joe Onorato | e20125d | 2011-09-23 15:17:52 -0700 | [diff] [blame^] | 918 | // the listener class |
| 919 | ListenerClass* listener = new ListenerClass(iface); |
| 920 | |
| 921 | // the presenter class |
| 922 | PresenterClass* presenter = new PresenterClass(iface, listener->type); |
| 923 | |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 924 | // the service base class |
| 925 | ServiceBaseClass* base = new ServiceBaseClass(iface); |
| 926 | proxy->elements.push_back(base); |
| 927 | |
| 928 | // the result dispatcher |
| 929 | ResultDispatcherClass* results = new ResultDispatcherClass(); |
| 930 | |
| 931 | // all the declared methods of the proxy |
| 932 | int index = 0; |
| 933 | interface_item_type* item = iface->interface_items; |
| 934 | while (item != NULL) { |
| 935 | if (item->item_type == METHOD_TYPE) { |
Joe Onorato | e20125d | 2011-09-23 15:17:52 -0700 | [diff] [blame^] | 936 | if (NAMES.Search(((method_type*)item)->type.type.data) == EVENT_FAKE_TYPE) { |
| 937 | generate_event_method((method_type*)item, proxy, base, listener, presenter, index); |
| 938 | } else { |
| 939 | generate_regular_method((method_type*)item, proxy, base, results, index); |
| 940 | } |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 941 | } |
| 942 | item = item->next; |
| 943 | index++; |
| 944 | } |
Joe Onorato | e20125d | 2011-09-23 15:17:52 -0700 | [diff] [blame^] | 945 | presenter->DoneWithMethods(); |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 946 | base->DoneWithMethods(); |
| 947 | |
| 948 | // only add this if there are methods with results / out parameters |
| 949 | if (results->needed) { |
| 950 | proxy->elements.push_back(results); |
| 951 | } |
Joe Onorato | e20125d | 2011-09-23 15:17:52 -0700 | [diff] [blame^] | 952 | if (listener->needed) { |
| 953 | proxy->elements.push_back(listener); |
| 954 | proxy->elements.push_back(presenter); |
| 955 | generate_listener_methods(proxy, presenter->type, listener->type); |
| 956 | } |
Joe Onorato | c596cfe | 2011-08-30 17:24:17 -0700 | [diff] [blame] | 957 | |
| 958 | return proxy; |
| 959 | } |
| 960 | |