static void
generate_method(const method_type* method, Class* interface,
StubClass* stubClass, ProxyClass* proxyClass, int index)
{
arg_type* arg;
int i;
bool hasOutParams = false;
const bool oneway = proxyClass->mOneWay || method->oneway;
// == the TRANSACT_ constant =============================================
string transactCodeName = "TRANSACTION_";
transactCodeName += method->name.data;
//char transactCodeValue[60];
//sprintf(transactCodeValue, "(android.os.IBinder.FIRST_CALL_TRANSACTION + %d)", index);
//Field* transactCode = new Field(STATIC | FINAL,
// new Variable(INT_TYPE, transactCodeName));
//transactCode->value = transactCodeValue;
//interface->elements.push_back(transactCode);
if (interface->methodEnum == 0) interface->methodEnum = new Enum();
EnumItem* item = new EnumItem();
item->name = transactCodeName;
if (interface->methodEnum->items.size() == 0) item->value = "IBinder::FIRST_CALL_TRANSACTION";
else item->value = "";
interface->methodEnum->items.push_back(item);
interface->declareMetaInterfaceName = string(interface->type->Name().c_str() + 1);
interface->implementMetaInterfaceName = string(interface->type->Name().c_str() + 1);
// +JDN
//interface->implementMetaInterfaceDesc = interface->type->CPPQualifiedName();
interface->implementMetaInterfaceDesc = interface->type->QualifiedName();
// -JDN
// == the declaration in the interface ===================================
Method* decl = new Method;
decl->comment = gather_comments(method->comments_token->extra);
decl->modifiers = VIRTUAL;
decl->returnType = NAMES.Search(method->type.type.data);
decl->returnTypeDimension = method->type.dimension;
decl->name = method->name.data;
arg = method->args;
while (arg != NULL) {
Type* vType = NAMES.Search(arg->type.type.data);
Variable* v = new Variable(
vType, arg->name.data,
arg->type.dimension);
UserDataType* userDataType = dynamic_cast<UserDataType*>(vType);
if (userDataType != NULL) {
v->modifiers = POINTER;
}
decl->parameters.push_back(v);
arg = arg->next;
}
// No exception in C++
//decl->exceptions.push_back(REMOTE_EXCEPTION_TYPE);
interface->elements.push_back(decl);
// == the stub method ====================================================
Case* c = new Case(transactCodeName);
Variable* thisVar = new Variable(interface->type, "this");
thisVar->modifiers = POINTER;
MethodCall* realCall = new MethodCall(thisVar/*THIS_VALUE*/, method->name.data);
// interface token validation is the very first thing we do
string getDescriptor = interface->type->Name() + string("::getInterfaceDescriptor()");
// +JDN Don t do checkInterface + enforceInterface it broke serialization
// c->statements->Add(new MethodCall(stubClass->transact_data,
// "enforceInterface", 1, new LiteralExpression(getDescriptor/*"DESCRIPTOR"*/)));
// -JDN
// args
Variable* cl = NULL;
VariableFactory stubArgs("_arg");
arg = method->args;
while (arg != NULL) {
Type* t = NAMES.Search(arg->type.type.data);
Variable* v = stubArgs.Get(t);
UserDataType* userDataType = dynamic_cast<UserDataType*>(t);
InterfaceType* interfaceType = dynamic_cast<InterfaceType*>(t);
if (userDataType != NULL) v->modifiers |= POINTER;
else if (interfaceType != NULL) v->modifiers |= STRONG_POINTER;
//if (userDataType != NULL) v->modifiers |= CALL_POINTER;
v->dimension = arg->type.dimension;
c->statements->Add(new VariableDeclaration(v));
if (convert_direction(arg->direction.data) & IN_PARAMETER) {
generate_create_from_parcel(t, c->statements, v,
stubClass->transact_data, &cl);
} else {
if (arg->type.dimension == 0) {
c->statements->Add(new Assignment(v, new NewExpression(v->type)));
}
else if (arg->type.dimension == 1) {
generate_new_array(v->type, c->statements, v,
stubClass->transact_data);
}
else {
fprintf(stderr, "aidl:internal error %s:%d\n", __FILE__,
__LINE__);
}
}
realCall->arguments.push_back(v);
arg = arg->next;
}
// the real call
Variable* _result = NULL;
if (0 == strcmp(method->type.type.data, "void")) {
c->statements->Add(realCall);
if (!oneway) {
// report that there were no exceptions
MethodCall* ex = new MethodCall(stubClass->transact_reply,
"writeNoException", 0);
c->statements->Add(ex);
}
} else {
_result = new Variable(decl->returnType, "_result",
decl->returnTypeDimension);
UserDataType* userDataType = dynamic_cast<UserDataType*>(decl->returnType);
InterfaceType* interfaceType = dynamic_cast<InterfaceType*>(decl->returnType);
if (userDataType != NULL) _result->modifiers = POINTER;
else if (interfaceType != NULL) _result->modifiers = STRONG_POINTER;
c->statements->Add(new VariableDeclaration(_result, realCall));
if (!oneway) {
// report that there were no exceptions
MethodCall* ex = new MethodCall(stubClass->transact_reply,
"writeNoException", 0);
c->statements->Add(ex);
}
// marshall the return value
generate_write_to_parcel(decl->returnType, c->statements, _result,
stubClass->transact_reply,
Type::PARCELABLE_WRITE_RETURN_VALUE);
}
// out parameters
i = 0;
arg = method->args;
while (arg != NULL) {
Type* t = NAMES.Search(arg->type.type.data);
Variable* v = stubArgs.Get(i++);
if (convert_direction(arg->direction.data) & OUT_PARAMETER) {
generate_write_to_parcel(t, c->statements, v,
stubClass->transact_reply,
Type::PARCELABLE_WRITE_RETURN_VALUE);
hasOutParams = true;
}
arg = arg->next;
}
// return true
c->statements->Add(new ReturnStatement(new LiteralExpression("NO_ERROR")));
stubClass->transact_switch->cases.push_back(c);
// == the proxy method ===================================================
Method* proxy = new Method;
proxy->comment = gather_comments(method->comments_token->extra);
proxy->modifiers = PUBLIC | OVERRIDE;
proxy->returnType = NAMES.Search(method->type.type.data);
proxy->returnTypeDimension = method->type.dimension;
proxy->name = method->name.data;
proxy->statements = new StatementBlock;
proxy->classType = proxyClass->type;
arg = method->args;
while (arg != NULL) {
Type* vType = NAMES.Search(arg->type.type.data);
Variable* v = new Variable(
vType, arg->name.data,
arg->type.dimension);
UserDataType* userDataType = dynamic_cast<UserDataType*>(vType);
InterfaceType* interfaceType = dynamic_cast<InterfaceType*>(vType);
if (userDataType != NULL) {
v->modifiers |= POINTER;
} else if (interfaceType != NULL) {
v->modifiers |= STRONG_POINTER;
}
proxy->parameters.push_back(v/*new Variable(
NAMES.Search(arg->type.type.data), arg->name.data,
arg->type.dimension)*/);
arg = arg->next;
}
//proxy->exceptions.push_back(REMOTE_EXCEPTION_TYPE);
proxyClass->elements.push_back(proxy);
// the parcels
Variable* _data = new Variable(PARCEL_TYPE, "_data");
//proxy->statements->Add(new VariableDeclaration(_data,
// new MethodCall(PARCEL_TYPE, "obtain")));
proxy->statements->Add(new VariableDeclaration(_data));
Variable* _reply = NULL;
if (!oneway) {
_reply = new Variable(PARCEL_TYPE, "_reply");
//proxy->statements->Add(new VariableDeclaration(_reply,
// new MethodCall(PARCEL_TYPE, "obtain")));
proxy->statements->Add(new VariableDeclaration(_reply));
}
// the return value
_result = NULL;
if (0 != strcmp(method->type.type.data, "void")) {
_result = new Variable(proxy->returnType, "_result",
method->type.dimension);
UserDataType* userDataType = dynamic_cast<UserDataType*>(proxy->returnType);
InterfaceType* interfaceType = dynamic_cast<InterfaceType*>(proxy->returnType);
if (userDataType != NULL) {
_result->modifiers = POINTER;
} else if (interfaceType != NULL) {
_result->modifiers = STRONG_POINTER;
}
proxy->statements->Add(new VariableDeclaration(_result));
}
// try and finally
//TryStatement* tryStatement = new TryStatement();
//proxy->statements->Add(tryStatement);
//FinallyStatement* finallyStatement = new FinallyStatement();
//proxy->statements->Add(finallyStatement);
// the interface identifier token: the DESCRIPTOR constant, marshalled as a string
/*tryStatement*/proxy->statements->Add(new MethodCall(_data, "writeInterfaceToken",
1, new LiteralExpression(getDescriptor/*"DESCRIPTOR"*/)));
// the parameters
arg = method->args;
while (arg != NULL) {
Type* t = NAMES.Search(arg->type.type.data);
Variable* v = new Variable(t, arg->name.data, arg->type.dimension);
int dir = convert_direction(arg->direction.data);
v->modifiers |= POINTER;
if (dir == OUT_PARAMETER && arg->type.dimension != 0)
{
IfStatement* checklen = new IfStatement();
checklen->expression = new Comparison(v, "==", NULL_VALUE);
checklen->statements->Add(new MethodCall(_data, "writeInt", 1,
new LiteralExpression("-1")));
checklen->elseif = new IfStatement();
checklen->elseif->statements->Add(new MethodCall(_data, "writeInt",
1, new FieldVariable(v, "length")));
/*tryStatement*/proxy->statements->Add(checklen);
}
else if (dir & IN_PARAMETER)
{
// +JDN
// ALERT LEAK !!!!
Variable* localParcel = new Variable();
localParcel->type = _data->type;
localParcel->name = _data->name;
localParcel->dimension = _data->dimension;
localParcel->modifiers = _data->modifiers;
localParcel->modifiers |= CALL_REFERENCE;
// printf("generating parcel for %s (%s)\n", v->name.c_str(), v->type->Name().c_str());
//generate_write_to_parcel(t, /*tryStatement*/proxy->statements, v, _data, 0);
generate_write_to_parcel(t, /*tryStatement*/proxy->statements, v, localParcel, 0);
// -JDN
}
else
{
// printf("else\n", "");
// Do nothing
}
arg = arg->next;
}
// the transact call
Variable* callReply = NULL;
if (_reply != NULL) {
callReply = new Variable(_reply->type, _reply->name);
callReply->modifiers = CALL_REFERENCE;
}
MethodCall* call = new MethodCall(/*proxyClass->mRemote*/ new LiteralExpression("(*(remote()))"), "transact", 4,
new LiteralExpression(/*"Stub." +*/ transactCodeName),
_data, callReply ? callReply : NULL_VALUE,
new LiteralExpression(
oneway ? /*"android.os.IBinder.FLAG_ONEWAY"*/ "IBinder::FLAG_ONEWAY" : "0"));
/*tryStatement*/proxy->statements->Add(call);
// throw back exceptions.
if (_reply) {
MethodCall* ex = new MethodCall(_reply, "readExceptionCode", 0);
/*tryStatement*/proxy->statements->Add(ex);
}
// returning and cleanup
if (_reply != NULL) {
if (_result != NULL) {
generate_create_from_parcel(proxy->returnType,
/*tryStatement*/proxy->statements, _result, _reply, &cl);
}
// the out/inout parameters
arg = method->args;
while (arg != NULL) {
Type* t = NAMES.Search(arg->type.type.data);
Variable* v = new Variable(t, arg->name.data, arg->type.dimension);
UserDataType* userDataType = dynamic_cast<UserDataType*>(t);
if (userDataType != NULL) v->modifiers = POINTER;
if (convert_direction(arg->direction.data) & OUT_PARAMETER) {
generate_read_from_parcel(t, /*tryStatement*/proxy->statements,
v, _reply, &cl);
}
arg = arg->next;
}
//finallyStatement->statements->Add(new MethodCall(_reply, "recycle"));
}
//finallyStatement->statements->Add(new MethodCall(_data, "recycle"));
if (_result != NULL) {
proxy->statements->Add(new ReturnStatement(_result));
}
}
static void
generate_method(const method_type* method, Class* interface,
StubClass* stubClass, ProxyClass* proxyClass, int index)
{
arg_type* arg;
int i;
bool hasOutParams = false;
const bool oneway = proxyClass->mOneWay || method->oneway;
// == the TRANSACT_ constant =============================================
string transactCodeName = "TRANSACTION_";
transactCodeName += method->name.data;
char transactCodeValue[50];
sprintf(transactCodeValue, "(android.os.IBinder.FIRST_CALL_TRANSACTION + %d)", index);
Field* transactCode = new Field(STATIC | FINAL,
new Variable(INT_TYPE, transactCodeName));
transactCode->value = transactCodeValue;
stubClass->elements.push_back(transactCode);
// == the declaration in the interface ===================================
Method* decl = new Method;
decl->comment = gather_comments(method->comments_token->extra);
decl->modifiers = PUBLIC;
decl->returnType = NAMES.Search(method->type.type.data);
decl->returnTypeDimension = method->type.dimension;
decl->name = method->name.data;
arg = method->args;
while (arg != NULL) {
decl->parameters.push_back(new Variable(
NAMES.Search(arg->type.type.data), arg->name.data,
arg->type.dimension));
arg = arg->next;
}
decl->exceptions.push_back(REMOTE_EXCEPTION_TYPE);
interface->elements.push_back(decl);
// == the stub method ====================================================
Case* c = new Case(transactCodeName);
MethodCall* realCall = new MethodCall(THIS_VALUE, method->name.data);
// interface token validation is the very first thing we do
c->statements->Add(new MethodCall(stubClass->transact_data,
"enforceInterface", 1, new LiteralExpression("DESCRIPTOR")));
// args
Variable* cl = NULL;
VariableFactory stubArgs("_arg");
arg = method->args;
while (arg != NULL) {
Type* t = NAMES.Search(arg->type.type.data);
Variable* v = stubArgs.Get(t);
v->dimension = arg->type.dimension;
c->statements->Add(new VariableDeclaration(v));
if (convert_direction(arg->direction.data) & IN_PARAMETER) {
generate_create_from_parcel(t, c->statements, v,
stubClass->transact_data, &cl);
} else {
if (arg->type.dimension == 0) {
c->statements->Add(new Assignment(
v, new NewExpression(v->type)));
}
else if (arg->type.dimension == 1) {
generate_new_array(v->type, c->statements, v,
stubClass->transact_data);
}
else {
fprintf(stderr, "aidl:internal error %s:%d\n", __FILE__,
__LINE__);
}
}
realCall->arguments.push_back(v);
arg = arg->next;
}
// the real call
Variable* _result = NULL;
if (0 == strcmp(method->type.type.data, "void")) {
c->statements->Add(realCall);
if (!oneway) {
// report that there were no exceptions
MethodCall* ex = new MethodCall(stubClass->transact_reply,
"writeNoException", 0);
c->statements->Add(ex);
}
} else {
_result = new Variable(decl->returnType, "_result",
decl->returnTypeDimension);
c->statements->Add(new VariableDeclaration(_result, realCall));
if (!oneway) {
// report that there were no exceptions
MethodCall* ex = new MethodCall(stubClass->transact_reply,
"writeNoException", 0);
c->statements->Add(ex);
}
// marshall the return value
generate_write_to_parcel(decl->returnType, c->statements, _result,
stubClass->transact_reply,
Type::PARCELABLE_WRITE_RETURN_VALUE);
}
// out parameters
i = 0;
arg = method->args;
while (arg != NULL) {
Type* t = NAMES.Search(arg->type.type.data);
Variable* v = stubArgs.Get(i++);
if (convert_direction(arg->direction.data) & OUT_PARAMETER) {
generate_write_to_parcel(t, c->statements, v,
stubClass->transact_reply,
Type::PARCELABLE_WRITE_RETURN_VALUE);
hasOutParams = true;
}
arg = arg->next;
}
// return true
c->statements->Add(new ReturnStatement(TRUE_VALUE));
stubClass->transact_switch->cases.push_back(c);
// == the proxy method ===================================================
Method* proxy = new Method;
proxy->comment = gather_comments(method->comments_token->extra);
proxy->modifiers = PUBLIC;
proxy->returnType = NAMES.Search(method->type.type.data);
proxy->returnTypeDimension = method->type.dimension;
proxy->name = method->name.data;
proxy->statements = new StatementBlock;
arg = method->args;
while (arg != NULL) {
proxy->parameters.push_back(new Variable(
NAMES.Search(arg->type.type.data), arg->name.data,
arg->type.dimension));
arg = arg->next;
}
proxy->exceptions.push_back(REMOTE_EXCEPTION_TYPE);
proxyClass->elements.push_back(proxy);
// the parcels
Variable* _data = new Variable(PARCEL_TYPE, "_data");
proxy->statements->Add(new VariableDeclaration(_data,
new MethodCall(PARCEL_TYPE, "obtain")));
Variable* _reply = NULL;
if (!oneway) {
_reply = new Variable(PARCEL_TYPE, "_reply");
proxy->statements->Add(new VariableDeclaration(_reply,
new MethodCall(PARCEL_TYPE, "obtain")));
}
// the return value
_result = NULL;
if (0 != strcmp(method->type.type.data, "void")) {
_result = new Variable(proxy->returnType, "_result",
method->type.dimension);
proxy->statements->Add(new VariableDeclaration(_result));
}
// try and finally
TryStatement* tryStatement = new TryStatement();
proxy->statements->Add(tryStatement);
FinallyStatement* finallyStatement = new FinallyStatement();
proxy->statements->Add(finallyStatement);
// the interface identifier token: the DESCRIPTOR constant, marshalled as a string
tryStatement->statements->Add(new MethodCall(_data, "writeInterfaceToken",
1, new LiteralExpression("DESCRIPTOR")));
// the parameters
arg = method->args;
while (arg != NULL) {
Type* t = NAMES.Search(arg->type.type.data);
Variable* v = new Variable(t, arg->name.data, arg->type.dimension);
int dir = convert_direction(arg->direction.data);
if (dir == OUT_PARAMETER && arg->type.dimension != 0) {
IfStatement* checklen = new IfStatement();
checklen->expression = new Comparison(v, "==", NULL_VALUE);
checklen->statements->Add(new MethodCall(_data, "writeInt", 1,
new LiteralExpression("-1")));
checklen->elseif = new IfStatement();
checklen->elseif->statements->Add(new MethodCall(_data, "writeInt",
1, new FieldVariable(v, "length")));
tryStatement->statements->Add(checklen);
}
else if (dir & IN_PARAMETER) {
generate_write_to_parcel(t, tryStatement->statements, v, _data, 0);
}
arg = arg->next;
}
// the transact call
MethodCall* call = new MethodCall(proxyClass->mRemote, "transact", 4,
new LiteralExpression("Stub." + transactCodeName),
_data, _reply ? _reply : NULL_VALUE,
new LiteralExpression(
oneway ? "android.os.IBinder.FLAG_ONEWAY" : "0"));
tryStatement->statements->Add(call);
// throw back exceptions.
if (_reply) {
MethodCall* ex = new MethodCall(_reply, "readException", 0);
tryStatement->statements->Add(ex);
}
// returning and cleanup
if (_reply != NULL) {
if (_result != NULL) {
generate_create_from_parcel(proxy->returnType,
tryStatement->statements, _result, _reply, &cl);
}
// the out/inout parameters
arg = method->args;
while (arg != NULL) {
Type* t = NAMES.Search(arg->type.type.data);
Variable* v = new Variable(t, arg->name.data, arg->type.dimension);
if (convert_direction(arg->direction.data) & OUT_PARAMETER) {
generate_read_from_parcel(t, tryStatement->statements,
v, _reply, &cl);
}
arg = arg->next;
}
finallyStatement->statements->Add(new MethodCall(_reply, "recycle"));
}
finallyStatement->statements->Add(new MethodCall(_data, "recycle"));
if (_result != NULL) {
proxy->statements->Add(new ReturnStatement(_result));
}
}
