Adam Lesinski | 282e181 | 2014-01-23 18:17:42 -0800 | [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 | // ================================================= |
| 9 | class StubClass : public Class |
| 10 | { |
| 11 | public: |
| 12 | StubClass(Type* type, Type* interfaceType); |
| 13 | virtual ~StubClass(); |
| 14 | |
| 15 | Variable* transact_code; |
| 16 | Variable* transact_data; |
| 17 | Variable* transact_reply; |
| 18 | Variable* transact_flags; |
| 19 | SwitchStatement* transact_switch; |
| 20 | private: |
| 21 | void make_as_interface(Type* interfaceType); |
| 22 | }; |
| 23 | |
| 24 | StubClass::StubClass(Type* type, Type* interfaceType) |
| 25 | :Class() |
| 26 | { |
| 27 | this->comment = "/** Local-side IPC implementation stub class. */"; |
| 28 | this->modifiers = PUBLIC | ABSTRACT | STATIC; |
| 29 | this->what = Class::CLASS; |
| 30 | this->type = type; |
| 31 | this->extends = BINDER_NATIVE_TYPE; |
| 32 | this->interfaces.push_back(interfaceType); |
| 33 | |
| 34 | // descriptor |
| 35 | Field* descriptor = new Field(STATIC | FINAL | PRIVATE, |
| 36 | new Variable(STRING_TYPE, "DESCRIPTOR")); |
| 37 | descriptor->value = "\"" + interfaceType->QualifiedName() + "\""; |
| 38 | this->elements.push_back(descriptor); |
| 39 | |
| 40 | // ctor |
| 41 | Method* ctor = new Method; |
| 42 | ctor->modifiers = PUBLIC; |
| 43 | ctor->comment = "/** Construct the stub at attach it to the " |
| 44 | "interface. */"; |
| 45 | ctor->name = "Stub"; |
| 46 | ctor->statements = new StatementBlock; |
| 47 | MethodCall* attach = new MethodCall(THIS_VALUE, "attachInterface", |
| 48 | 2, THIS_VALUE, new LiteralExpression("DESCRIPTOR")); |
| 49 | ctor->statements->Add(attach); |
| 50 | this->elements.push_back(ctor); |
| 51 | |
| 52 | // asInterface |
| 53 | make_as_interface(interfaceType); |
| 54 | |
| 55 | // asBinder |
| 56 | Method* asBinder = new Method; |
| 57 | asBinder->modifiers = PUBLIC | OVERRIDE; |
| 58 | asBinder->returnType = IBINDER_TYPE; |
| 59 | asBinder->name = "asBinder"; |
| 60 | asBinder->statements = new StatementBlock; |
| 61 | asBinder->statements->Add(new ReturnStatement(THIS_VALUE)); |
| 62 | this->elements.push_back(asBinder); |
| 63 | |
| 64 | // onTransact |
| 65 | this->transact_code = new Variable(INT_TYPE, "code"); |
| 66 | this->transact_data = new Variable(PARCEL_TYPE, "data"); |
| 67 | this->transact_reply = new Variable(PARCEL_TYPE, "reply"); |
| 68 | this->transact_flags = new Variable(INT_TYPE, "flags"); |
| 69 | Method* onTransact = new Method; |
| 70 | onTransact->modifiers = PUBLIC | OVERRIDE; |
| 71 | onTransact->returnType = BOOLEAN_TYPE; |
| 72 | onTransact->name = "onTransact"; |
| 73 | onTransact->parameters.push_back(this->transact_code); |
| 74 | onTransact->parameters.push_back(this->transact_data); |
| 75 | onTransact->parameters.push_back(this->transact_reply); |
| 76 | onTransact->parameters.push_back(this->transact_flags); |
| 77 | onTransact->statements = new StatementBlock; |
| 78 | onTransact->exceptions.push_back(REMOTE_EXCEPTION_TYPE); |
| 79 | this->elements.push_back(onTransact); |
| 80 | this->transact_switch = new SwitchStatement(this->transact_code); |
| 81 | |
| 82 | onTransact->statements->Add(this->transact_switch); |
| 83 | MethodCall* superCall = new MethodCall(SUPER_VALUE, "onTransact", 4, |
| 84 | this->transact_code, this->transact_data, |
| 85 | this->transact_reply, this->transact_flags); |
| 86 | onTransact->statements->Add(new ReturnStatement(superCall)); |
| 87 | } |
| 88 | |
| 89 | StubClass::~StubClass() |
| 90 | { |
| 91 | } |
| 92 | |
| 93 | void |
| 94 | StubClass::make_as_interface(Type *interfaceType) |
| 95 | { |
| 96 | Variable* obj = new Variable(IBINDER_TYPE, "obj"); |
| 97 | |
| 98 | Method* m = new Method; |
| 99 | m->comment = "/**\n * Cast an IBinder object into an "; |
| 100 | m->comment += interfaceType->QualifiedName(); |
| 101 | m->comment += " interface,\n"; |
| 102 | m->comment += " * generating a proxy if needed.\n */"; |
| 103 | m->modifiers = PUBLIC | STATIC; |
| 104 | m->returnType = interfaceType; |
| 105 | m->name = "asInterface"; |
| 106 | m->parameters.push_back(obj); |
| 107 | m->statements = new StatementBlock; |
| 108 | |
| 109 | IfStatement* ifstatement = new IfStatement(); |
| 110 | ifstatement->expression = new Comparison(obj, "==", NULL_VALUE); |
| 111 | ifstatement->statements = new StatementBlock; |
| 112 | ifstatement->statements->Add(new ReturnStatement(NULL_VALUE)); |
| 113 | m->statements->Add(ifstatement); |
| 114 | |
| 115 | // IInterface iin = obj.queryLocalInterface(DESCRIPTOR) |
| 116 | MethodCall* queryLocalInterface = new MethodCall(obj, "queryLocalInterface"); |
| 117 | queryLocalInterface->arguments.push_back(new LiteralExpression("DESCRIPTOR")); |
| 118 | IInterfaceType* iinType = new IInterfaceType(); |
| 119 | Variable *iin = new Variable(iinType, "iin"); |
| 120 | VariableDeclaration* iinVd = new VariableDeclaration(iin, queryLocalInterface, NULL); |
| 121 | m->statements->Add(iinVd); |
| 122 | |
| 123 | // Ensure the instance type of the local object is as expected. |
| 124 | // One scenario where this is needed is if another package (with a |
| 125 | // different class loader) runs in the same process as the service. |
| 126 | |
| 127 | // if (iin != null && iin instanceof <interfaceType>) return (<interfaceType>) iin; |
| 128 | Comparison* iinNotNull = new Comparison(iin, "!=", NULL_VALUE); |
| 129 | Comparison* instOfCheck = new Comparison(iin, " instanceof ", |
| 130 | new LiteralExpression(interfaceType->QualifiedName())); |
| 131 | IfStatement* instOfStatement = new IfStatement(); |
| 132 | instOfStatement->expression = new Comparison(iinNotNull, "&&", instOfCheck); |
| 133 | instOfStatement->statements = new StatementBlock; |
| 134 | instOfStatement->statements->Add(new ReturnStatement(new Cast(interfaceType, iin))); |
| 135 | m->statements->Add(instOfStatement); |
| 136 | |
| 137 | string proxyType = interfaceType->QualifiedName(); |
| 138 | proxyType += ".Stub.Proxy"; |
| 139 | NewExpression* ne = new NewExpression(NAMES.Find(proxyType)); |
| 140 | ne->arguments.push_back(obj); |
| 141 | m->statements->Add(new ReturnStatement(ne)); |
| 142 | |
| 143 | this->elements.push_back(m); |
| 144 | } |
| 145 | |
| 146 | |
| 147 | |
| 148 | // ================================================= |
| 149 | class ProxyClass : public Class |
| 150 | { |
| 151 | public: |
| 152 | ProxyClass(Type* type, InterfaceType* interfaceType); |
| 153 | virtual ~ProxyClass(); |
| 154 | |
| 155 | Variable* mRemote; |
| 156 | bool mOneWay; |
| 157 | }; |
| 158 | |
| 159 | ProxyClass::ProxyClass(Type* type, InterfaceType* interfaceType) |
| 160 | :Class() |
| 161 | { |
| 162 | this->modifiers = PRIVATE | STATIC; |
| 163 | this->what = Class::CLASS; |
| 164 | this->type = type; |
| 165 | this->interfaces.push_back(interfaceType); |
| 166 | |
| 167 | mOneWay = interfaceType->OneWay(); |
| 168 | |
| 169 | // IBinder mRemote |
| 170 | mRemote = new Variable(IBINDER_TYPE, "mRemote"); |
| 171 | this->elements.push_back(new Field(PRIVATE, mRemote)); |
| 172 | |
| 173 | // Proxy() |
| 174 | Variable* remote = new Variable(IBINDER_TYPE, "remote"); |
| 175 | Method* ctor = new Method; |
| 176 | ctor->name = "Proxy"; |
| 177 | ctor->statements = new StatementBlock; |
| 178 | ctor->parameters.push_back(remote); |
| 179 | ctor->statements->Add(new Assignment(mRemote, remote)); |
| 180 | this->elements.push_back(ctor); |
| 181 | |
| 182 | // IBinder asBinder() |
| 183 | Method* asBinder = new Method; |
| 184 | asBinder->modifiers = PUBLIC | OVERRIDE; |
| 185 | asBinder->returnType = IBINDER_TYPE; |
| 186 | asBinder->name = "asBinder"; |
| 187 | asBinder->statements = new StatementBlock; |
| 188 | asBinder->statements->Add(new ReturnStatement(mRemote)); |
| 189 | this->elements.push_back(asBinder); |
| 190 | } |
| 191 | |
| 192 | ProxyClass::~ProxyClass() |
| 193 | { |
| 194 | } |
| 195 | |
| 196 | // ================================================= |
| 197 | static void |
| 198 | generate_new_array(Type* t, StatementBlock* addTo, Variable* v, |
| 199 | Variable* parcel) |
| 200 | { |
| 201 | Variable* len = new Variable(INT_TYPE, v->name + "_length"); |
| 202 | addTo->Add(new VariableDeclaration(len, new MethodCall(parcel, "readInt"))); |
| 203 | IfStatement* lencheck = new IfStatement(); |
| 204 | lencheck->expression = new Comparison(len, "<", new LiteralExpression("0")); |
| 205 | lencheck->statements->Add(new Assignment(v, NULL_VALUE)); |
| 206 | lencheck->elseif = new IfStatement(); |
| 207 | lencheck->elseif->statements->Add(new Assignment(v, |
| 208 | new NewArrayExpression(t, len))); |
| 209 | addTo->Add(lencheck); |
| 210 | } |
| 211 | |
| 212 | static void |
| 213 | generate_write_to_parcel(Type* t, StatementBlock* addTo, Variable* v, |
| 214 | Variable* parcel, int flags) |
| 215 | { |
| 216 | if (v->dimension == 0) { |
| 217 | t->WriteToParcel(addTo, v, parcel, flags); |
| 218 | } |
| 219 | if (v->dimension == 1) { |
| 220 | t->WriteArrayToParcel(addTo, v, parcel, flags); |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | static void |
| 225 | generate_create_from_parcel(Type* t, StatementBlock* addTo, Variable* v, |
| 226 | Variable* parcel, Variable** cl) |
| 227 | { |
| 228 | if (v->dimension == 0) { |
| 229 | t->CreateFromParcel(addTo, v, parcel, cl); |
| 230 | } |
| 231 | if (v->dimension == 1) { |
| 232 | t->CreateArrayFromParcel(addTo, v, parcel, cl); |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | static void |
| 237 | generate_read_from_parcel(Type* t, StatementBlock* addTo, Variable* v, |
| 238 | Variable* parcel, Variable** cl) |
| 239 | { |
| 240 | if (v->dimension == 0) { |
| 241 | t->ReadFromParcel(addTo, v, parcel, cl); |
| 242 | } |
| 243 | if (v->dimension == 1) { |
| 244 | t->ReadArrayFromParcel(addTo, v, parcel, cl); |
| 245 | } |
| 246 | } |
| 247 | |
| 248 | |
| 249 | static void |
| 250 | generate_method(const method_type* method, Class* interface, |
| 251 | StubClass* stubClass, ProxyClass* proxyClass, int index) |
| 252 | { |
| 253 | arg_type* arg; |
| 254 | int i; |
| 255 | bool hasOutParams = false; |
| 256 | |
| 257 | const bool oneway = proxyClass->mOneWay || method->oneway; |
| 258 | |
| 259 | // == the TRANSACT_ constant ============================================= |
| 260 | string transactCodeName = "TRANSACTION_"; |
| 261 | transactCodeName += method->name.data; |
| 262 | |
| 263 | char transactCodeValue[60]; |
| 264 | sprintf(transactCodeValue, "(android.os.IBinder.FIRST_CALL_TRANSACTION + %d)", index); |
| 265 | |
| 266 | Field* transactCode = new Field(STATIC | FINAL, |
| 267 | new Variable(INT_TYPE, transactCodeName)); |
| 268 | transactCode->value = transactCodeValue; |
| 269 | stubClass->elements.push_back(transactCode); |
| 270 | |
| 271 | // == the declaration in the interface =================================== |
| 272 | Method* decl = new Method; |
| 273 | decl->comment = gather_comments(method->comments_token->extra); |
| 274 | decl->modifiers = PUBLIC; |
| 275 | decl->returnType = NAMES.Search(method->type.type.data); |
| 276 | decl->returnTypeDimension = method->type.dimension; |
| 277 | decl->name = method->name.data; |
| 278 | |
| 279 | arg = method->args; |
| 280 | while (arg != NULL) { |
| 281 | decl->parameters.push_back(new Variable( |
| 282 | NAMES.Search(arg->type.type.data), arg->name.data, |
| 283 | arg->type.dimension)); |
| 284 | arg = arg->next; |
| 285 | } |
| 286 | |
| 287 | decl->exceptions.push_back(REMOTE_EXCEPTION_TYPE); |
| 288 | |
| 289 | interface->elements.push_back(decl); |
| 290 | |
| 291 | // == the stub method ==================================================== |
| 292 | |
| 293 | Case* c = new Case(transactCodeName); |
| 294 | |
| 295 | MethodCall* realCall = new MethodCall(THIS_VALUE, method->name.data); |
| 296 | |
| 297 | // interface token validation is the very first thing we do |
| 298 | c->statements->Add(new MethodCall(stubClass->transact_data, |
| 299 | "enforceInterface", 1, new LiteralExpression("DESCRIPTOR"))); |
| 300 | |
| 301 | // args |
| 302 | Variable* cl = NULL; |
| 303 | VariableFactory stubArgs("_arg"); |
| 304 | arg = method->args; |
| 305 | while (arg != NULL) { |
| 306 | Type* t = NAMES.Search(arg->type.type.data); |
| 307 | Variable* v = stubArgs.Get(t); |
| 308 | v->dimension = arg->type.dimension; |
| 309 | |
| 310 | c->statements->Add(new VariableDeclaration(v)); |
| 311 | |
| 312 | if (convert_direction(arg->direction.data) & IN_PARAMETER) { |
| 313 | generate_create_from_parcel(t, c->statements, v, |
| 314 | stubClass->transact_data, &cl); |
| 315 | } else { |
| 316 | if (arg->type.dimension == 0) { |
| 317 | c->statements->Add(new Assignment(v, new NewExpression(v->type))); |
| 318 | } |
| 319 | else if (arg->type.dimension == 1) { |
| 320 | generate_new_array(v->type, c->statements, v, |
| 321 | stubClass->transact_data); |
| 322 | } |
| 323 | else { |
| 324 | fprintf(stderr, "aidl:internal error %s:%d\n", __FILE__, |
| 325 | __LINE__); |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | realCall->arguments.push_back(v); |
| 330 | |
| 331 | arg = arg->next; |
| 332 | } |
| 333 | |
| 334 | // the real call |
| 335 | Variable* _result = NULL; |
| 336 | if (0 == strcmp(method->type.type.data, "void")) { |
| 337 | c->statements->Add(realCall); |
| 338 | |
| 339 | if (!oneway) { |
| 340 | // report that there were no exceptions |
| 341 | MethodCall* ex = new MethodCall(stubClass->transact_reply, |
| 342 | "writeNoException", 0); |
| 343 | c->statements->Add(ex); |
| 344 | } |
| 345 | } else { |
| 346 | _result = new Variable(decl->returnType, "_result", |
| 347 | decl->returnTypeDimension); |
| 348 | c->statements->Add(new VariableDeclaration(_result, realCall)); |
| 349 | |
| 350 | if (!oneway) { |
| 351 | // report that there were no exceptions |
| 352 | MethodCall* ex = new MethodCall(stubClass->transact_reply, |
| 353 | "writeNoException", 0); |
| 354 | c->statements->Add(ex); |
| 355 | } |
| 356 | |
| 357 | // marshall the return value |
| 358 | generate_write_to_parcel(decl->returnType, c->statements, _result, |
| 359 | stubClass->transact_reply, |
| 360 | Type::PARCELABLE_WRITE_RETURN_VALUE); |
| 361 | } |
| 362 | |
| 363 | // out parameters |
| 364 | i = 0; |
| 365 | arg = method->args; |
| 366 | while (arg != NULL) { |
| 367 | Type* t = NAMES.Search(arg->type.type.data); |
| 368 | Variable* v = stubArgs.Get(i++); |
| 369 | |
| 370 | if (convert_direction(arg->direction.data) & OUT_PARAMETER) { |
| 371 | generate_write_to_parcel(t, c->statements, v, |
| 372 | stubClass->transact_reply, |
| 373 | Type::PARCELABLE_WRITE_RETURN_VALUE); |
| 374 | hasOutParams = true; |
| 375 | } |
| 376 | |
| 377 | arg = arg->next; |
| 378 | } |
| 379 | |
| 380 | // return true |
| 381 | c->statements->Add(new ReturnStatement(TRUE_VALUE)); |
| 382 | stubClass->transact_switch->cases.push_back(c); |
| 383 | |
| 384 | // == the proxy method =================================================== |
| 385 | Method* proxy = new Method; |
| 386 | proxy->comment = gather_comments(method->comments_token->extra); |
| 387 | proxy->modifiers = PUBLIC | OVERRIDE; |
| 388 | proxy->returnType = NAMES.Search(method->type.type.data); |
| 389 | proxy->returnTypeDimension = method->type.dimension; |
| 390 | proxy->name = method->name.data; |
| 391 | proxy->statements = new StatementBlock; |
| 392 | arg = method->args; |
| 393 | while (arg != NULL) { |
| 394 | proxy->parameters.push_back(new Variable( |
| 395 | NAMES.Search(arg->type.type.data), arg->name.data, |
| 396 | arg->type.dimension)); |
| 397 | arg = arg->next; |
| 398 | } |
| 399 | proxy->exceptions.push_back(REMOTE_EXCEPTION_TYPE); |
| 400 | proxyClass->elements.push_back(proxy); |
| 401 | |
| 402 | // the parcels |
| 403 | Variable* _data = new Variable(PARCEL_TYPE, "_data"); |
| 404 | proxy->statements->Add(new VariableDeclaration(_data, |
| 405 | new MethodCall(PARCEL_TYPE, "obtain"))); |
| 406 | Variable* _reply = NULL; |
| 407 | if (!oneway) { |
| 408 | _reply = new Variable(PARCEL_TYPE, "_reply"); |
| 409 | proxy->statements->Add(new VariableDeclaration(_reply, |
| 410 | new MethodCall(PARCEL_TYPE, "obtain"))); |
| 411 | } |
| 412 | |
| 413 | // the return value |
| 414 | _result = NULL; |
| 415 | if (0 != strcmp(method->type.type.data, "void")) { |
| 416 | _result = new Variable(proxy->returnType, "_result", |
| 417 | method->type.dimension); |
| 418 | proxy->statements->Add(new VariableDeclaration(_result)); |
| 419 | } |
| 420 | |
| 421 | // try and finally |
| 422 | TryStatement* tryStatement = new TryStatement(); |
| 423 | proxy->statements->Add(tryStatement); |
| 424 | FinallyStatement* finallyStatement = new FinallyStatement(); |
| 425 | proxy->statements->Add(finallyStatement); |
| 426 | |
| 427 | // the interface identifier token: the DESCRIPTOR constant, marshalled as a string |
| 428 | tryStatement->statements->Add(new MethodCall(_data, "writeInterfaceToken", |
| 429 | 1, new LiteralExpression("DESCRIPTOR"))); |
| 430 | |
| 431 | // the parameters |
| 432 | arg = method->args; |
| 433 | while (arg != NULL) { |
| 434 | Type* t = NAMES.Search(arg->type.type.data); |
| 435 | Variable* v = new Variable(t, arg->name.data, arg->type.dimension); |
| 436 | int dir = convert_direction(arg->direction.data); |
| 437 | if (dir == OUT_PARAMETER && arg->type.dimension != 0) { |
| 438 | IfStatement* checklen = new IfStatement(); |
| 439 | checklen->expression = new Comparison(v, "==", NULL_VALUE); |
| 440 | checklen->statements->Add(new MethodCall(_data, "writeInt", 1, |
| 441 | new LiteralExpression("-1"))); |
| 442 | checklen->elseif = new IfStatement(); |
| 443 | checklen->elseif->statements->Add(new MethodCall(_data, "writeInt", |
| 444 | 1, new FieldVariable(v, "length"))); |
| 445 | tryStatement->statements->Add(checklen); |
| 446 | } |
| 447 | else if (dir & IN_PARAMETER) { |
| 448 | generate_write_to_parcel(t, tryStatement->statements, v, _data, 0); |
| 449 | } |
| 450 | arg = arg->next; |
| 451 | } |
| 452 | |
| 453 | // the transact call |
| 454 | MethodCall* call = new MethodCall(proxyClass->mRemote, "transact", 4, |
| 455 | new LiteralExpression("Stub." + transactCodeName), |
| 456 | _data, _reply ? _reply : NULL_VALUE, |
| 457 | new LiteralExpression( |
| 458 | oneway ? "android.os.IBinder.FLAG_ONEWAY" : "0")); |
| 459 | tryStatement->statements->Add(call); |
| 460 | |
| 461 | // throw back exceptions. |
| 462 | if (_reply) { |
| 463 | MethodCall* ex = new MethodCall(_reply, "readException", 0); |
| 464 | tryStatement->statements->Add(ex); |
| 465 | } |
| 466 | |
| 467 | // returning and cleanup |
| 468 | if (_reply != NULL) { |
| 469 | if (_result != NULL) { |
| 470 | generate_create_from_parcel(proxy->returnType, |
| 471 | tryStatement->statements, _result, _reply, &cl); |
| 472 | } |
| 473 | |
| 474 | // the out/inout parameters |
| 475 | arg = method->args; |
| 476 | while (arg != NULL) { |
| 477 | Type* t = NAMES.Search(arg->type.type.data); |
| 478 | Variable* v = new Variable(t, arg->name.data, arg->type.dimension); |
| 479 | if (convert_direction(arg->direction.data) & OUT_PARAMETER) { |
| 480 | generate_read_from_parcel(t, tryStatement->statements, |
| 481 | v, _reply, &cl); |
| 482 | } |
| 483 | arg = arg->next; |
| 484 | } |
| 485 | |
| 486 | finallyStatement->statements->Add(new MethodCall(_reply, "recycle")); |
| 487 | } |
| 488 | finallyStatement->statements->Add(new MethodCall(_data, "recycle")); |
| 489 | |
| 490 | if (_result != NULL) { |
| 491 | proxy->statements->Add(new ReturnStatement(_result)); |
| 492 | } |
| 493 | } |
| 494 | |
| 495 | static void |
| 496 | generate_interface_descriptors(StubClass* stub, ProxyClass* proxy) |
| 497 | { |
| 498 | // the interface descriptor transaction handler |
| 499 | Case* c = new Case("INTERFACE_TRANSACTION"); |
| 500 | c->statements->Add(new MethodCall(stub->transact_reply, "writeString", |
| 501 | 1, new LiteralExpression("DESCRIPTOR"))); |
| 502 | c->statements->Add(new ReturnStatement(TRUE_VALUE)); |
| 503 | stub->transact_switch->cases.push_back(c); |
| 504 | |
| 505 | // and the proxy-side method returning the descriptor directly |
| 506 | Method* getDesc = new Method; |
| 507 | getDesc->modifiers = PUBLIC; |
| 508 | getDesc->returnType = STRING_TYPE; |
| 509 | getDesc->returnTypeDimension = 0; |
| 510 | getDesc->name = "getInterfaceDescriptor"; |
| 511 | getDesc->statements = new StatementBlock; |
| 512 | getDesc->statements->Add(new ReturnStatement(new LiteralExpression("DESCRIPTOR"))); |
| 513 | proxy->elements.push_back(getDesc); |
| 514 | } |
| 515 | |
| 516 | Class* |
| 517 | generate_binder_interface_class(const interface_type* iface) |
| 518 | { |
| 519 | InterfaceType* interfaceType = static_cast<InterfaceType*>( |
| 520 | NAMES.Find(iface->package, iface->name.data)); |
| 521 | |
| 522 | // the interface class |
| 523 | Class* interface = new Class; |
| 524 | interface->comment = gather_comments(iface->comments_token->extra); |
| 525 | interface->modifiers = PUBLIC; |
| 526 | interface->what = Class::INTERFACE; |
| 527 | interface->type = interfaceType; |
| 528 | interface->interfaces.push_back(IINTERFACE_TYPE); |
| 529 | |
| 530 | // the stub inner class |
| 531 | StubClass* stub = new StubClass( |
| 532 | NAMES.Find(iface->package, append(iface->name.data, ".Stub").c_str()), |
| 533 | interfaceType); |
| 534 | interface->elements.push_back(stub); |
| 535 | |
| 536 | // the proxy inner class |
| 537 | ProxyClass* proxy = new ProxyClass( |
| 538 | NAMES.Find(iface->package, |
| 539 | append(iface->name.data, ".Stub.Proxy").c_str()), |
| 540 | interfaceType); |
| 541 | stub->elements.push_back(proxy); |
| 542 | |
| 543 | // stub and proxy support for getInterfaceDescriptor() |
| 544 | generate_interface_descriptors(stub, proxy); |
| 545 | |
| 546 | // all the declared methods of the interface |
| 547 | int index = 0; |
| 548 | interface_item_type* item = iface->interface_items; |
| 549 | while (item != NULL) { |
| 550 | if (item->item_type == METHOD_TYPE) { |
| 551 | method_type * method_item = (method_type*) item; |
| 552 | generate_method(method_item, interface, stub, proxy, method_item->assigned_id); |
| 553 | } |
| 554 | item = item->next; |
| 555 | index++; |
| 556 | } |
| 557 | |
| 558 | return interface; |
| 559 | } |
| 560 | |