Checkpoint adding @home RPC support to aidl
Change-Id: I85534bd58aabdc58a05b76e49f5580196fefcec9
diff --git a/tools/aidl/AST.cpp b/tools/aidl/AST.cpp
index 752ef7c..42102f8 100755
--- a/tools/aidl/AST.cpp
+++ b/tools/aidl/AST.cpp
@@ -111,6 +111,21 @@
fprintf(to, "%s", this->value.c_str());
}
+StringLiteralExpression::StringLiteralExpression(const string& v)
+ :value(v)
+{
+}
+
+StringLiteralExpression::~StringLiteralExpression()
+{
+}
+
+void
+StringLiteralExpression::Write(FILE* to)
+{
+ fprintf(to, "\"%s\"", this->value.c_str());
+}
+
Variable::Variable()
:type(NULL),
name(),
@@ -277,6 +292,17 @@
{
}
+MethodCall::MethodCall(const string& n, int argc = 0, ...)
+ :obj(NULL),
+ clazz(NULL),
+ name(n)
+{
+ va_list args;
+ va_start(args, argc);
+ init(argc, args);
+ va_end(args);
+}
+
MethodCall::MethodCall(Expression* o, const string& n)
:obj(o),
clazz(NULL),
@@ -367,11 +393,29 @@
{
}
+NewExpression::NewExpression(Type* t, int argc = 0, ...)
+ :type(t)
+{
+ va_list args;
+ va_start(args, argc);
+ init(argc, args);
+ va_end(args);
+}
+
NewExpression::~NewExpression()
{
}
void
+NewExpression::init(int n, va_list args)
+{
+ for (int i=0; i<n; i++) {
+ Expression* expression = (Expression*)va_arg(args, void*);
+ this->arguments.push_back(expression);
+ }
+}
+
+void
NewExpression::Write(FILE* to)
{
fprintf(to, "new %s(", this->type->InstantiableName().c_str());
@@ -678,7 +722,7 @@
fprintf(to, "%s\n", this->comment.c_str());
}
- WriteModifiers(to, this->modifiers, SCOPE_MASK | STATIC | FINAL | OVERRIDE);
+ WriteModifiers(to, this->modifiers, SCOPE_MASK | STATIC | ABSTRACT | FINAL | OVERRIDE);
if (this->returnType != NULL) {
string dim;
diff --git a/tools/aidl/AST.h b/tools/aidl/AST.h
index 3156356..fe92a26 100755
--- a/tools/aidl/AST.h
+++ b/tools/aidl/AST.h
@@ -54,6 +54,16 @@
virtual void Write(FILE* to);
};
+// TODO: also escape the contents. not needed for now
+struct StringLiteralExpression : public Expression
+{
+ string value;
+
+ StringLiteralExpression(const string& value);
+ virtual ~StringLiteralExpression();
+ virtual void Write(FILE* to);
+};
+
struct Variable : public Expression
{
Type* type;
@@ -146,6 +156,7 @@
vector<string> exceptions;
MethodCall(const string& name);
+ MethodCall(const string& name, int argc, ...);
MethodCall(Expression* obj, const string& name);
MethodCall(Type* clazz, const string& name);
MethodCall(Expression* obj, const string& name, int argc, ...);
@@ -174,8 +185,12 @@
vector<Expression*> arguments;
NewExpression(Type* type);
+ NewExpression(Type* type, int argc, ...);
virtual ~NewExpression();
virtual void Write(FILE* to);
+
+private:
+ void init(int n, va_list args);
};
struct NewArrayExpression : public Expression
diff --git a/tools/aidl/Android.mk b/tools/aidl/Android.mk
index 2ad0728..77d46ab 100644
--- a/tools/aidl/Android.mk
+++ b/tools/aidl/Android.mk
@@ -17,7 +17,9 @@
search_path.cpp \
AST.cpp \
Type.cpp \
- generate_java.cpp
+ generate_java.cpp \
+ generate_java_binder.cpp \
+ generate_java_rpc.cpp
LOCAL_CFLAGS := -g
LOCAL_MODULE := aidl
diff --git a/tools/aidl/Type.cpp b/tools/aidl/Type.cpp
index 6b69864..54690e7 100755
--- a/tools/aidl/Type.cpp
+++ b/tools/aidl/Type.cpp
@@ -11,6 +11,7 @@
Type* FLOAT_TYPE;
Type* DOUBLE_TYPE;
Type* STRING_TYPE;
+Type* OBJECT_TYPE;
Type* CHAR_SEQUENCE_TYPE;
Type* TEXT_UTILS_TYPE;
Type* REMOTE_EXCEPTION_TYPE;
@@ -21,9 +22,17 @@
Type* BINDER_PROXY_TYPE;
Type* PARCEL_TYPE;
Type* PARCELABLE_INTERFACE_TYPE;
+Type* CONTEXT_TYPE;
Type* MAP_TYPE;
Type* LIST_TYPE;
Type* CLASSLOADER_TYPE;
+Type* RPC_SERVICE_BASE_TYPE;
+Type* RPC_DATA_TYPE;
+Type* RPC_BROKER_TYPE;
+Type* RPC_ENDPOINT_INFO_TYPE;
+Type* RPC_RESULT_HANDLER_TYPE;
+Type* RPC_ERROR_TYPE;
+Type* RPC_ERROR_LISTENER_TYPE;
Expression* NULL_VALUE;
Expression* THIS_VALUE;
@@ -66,6 +75,10 @@
STRING_TYPE = new StringType();
NAMES.Add(STRING_TYPE);
+ OBJECT_TYPE = new Type("java.lang", "Object",
+ Type::BUILT_IN, false, false);
+ NAMES.Add(OBJECT_TYPE);
+
CHAR_SEQUENCE_TYPE = new CharSequenceType();
NAMES.Add(CHAR_SEQUENCE_TYPE);
@@ -103,6 +116,38 @@
PARCELABLE_INTERFACE_TYPE = new ParcelableInterfaceType();
NAMES.Add(PARCELABLE_INTERFACE_TYPE);
+ CONTEXT_TYPE = new Type("android.content", "Context",
+ Type::BUILT_IN, false, false);
+ NAMES.Add(CONTEXT_TYPE);
+
+ RPC_SERVICE_BASE_TYPE = new Type("com.android.athome.service", "AndroidAtHomeService",
+ Type::BUILT_IN, false, false);
+ NAMES.Add(RPC_SERVICE_BASE_TYPE);
+
+ RPC_DATA_TYPE = new Type("com.android.athome.rpc", "RpcData",
+ Type::BUILT_IN, false, false);
+ NAMES.Add(RPC_DATA_TYPE);
+
+ RPC_BROKER_TYPE = new Type("com.android.athome.utils", "AndroidAtHomeBroker",
+ Type::BUILT_IN, false, false);
+ NAMES.Add(RPC_BROKER_TYPE);
+
+ RPC_ENDPOINT_INFO_TYPE = new ParcelableType("com.android.athome.rpc", "EndpointInfo",
+ true, __FILE__, __LINE__);
+ NAMES.Add(RPC_ENDPOINT_INFO_TYPE);
+
+ RPC_RESULT_HANDLER_TYPE = new ParcelableType("com.android.athome.rpc", "RpcResultHandler",
+ true, __FILE__, __LINE__);
+ NAMES.Add(RPC_RESULT_HANDLER_TYPE);
+
+ RPC_ERROR_TYPE = new ParcelableType("com.android.athome.rpc", "RpcError",
+ true, __FILE__, __LINE__);
+ NAMES.Add(RPC_ERROR_TYPE);
+
+ RPC_ERROR_LISTENER_TYPE = new Type("com.android.athome.rpc", "RpcErrorHandler",
+ Type::BUILT_IN, false, false);
+ NAMES.Add(RPC_ERROR_LISTENER_TYPE);
+
CLASSLOADER_TYPE = new ClassLoaderType();
NAMES.Add(CLASSLOADER_TYPE);
@@ -244,6 +289,36 @@
}
void
+Type::WriteToRpcData(StatementBlock* addTo, Expression* k, Variable* v,
+ Variable* data, int flags)
+{
+ fprintf(stderr, "aidl:internal error %s:%d qualifiedName=%sn",
+ __FILE__, __LINE__, m_qualifiedName.c_str());
+ addTo->Add(new LiteralExpression("/* WriteToRpcData error "
+ + m_qualifiedName + " */"));
+}
+
+void
+Type::ReadFromRpcData(StatementBlock* addTo, Expression* k, Variable* v, Variable* data,
+ Variable** cl)
+{
+ fprintf(stderr, "aidl:internal error %s:%d qualifiedName=%sn",
+ __FILE__, __LINE__, m_qualifiedName.c_str());
+ addTo->Add(new LiteralExpression("/* ReadFromRpcData error "
+ + m_qualifiedName + " */"));
+}
+
+void
+Type::CreateFromRpcData(StatementBlock* addTo, Expression* k, Variable* v, Variable* data,
+ Variable** cl)
+{
+ fprintf(stderr, "aidl:internal error %s:%d qualifiedName=%sn",
+ __FILE__, __LINE__, m_qualifiedName.c_str());
+ addTo->Add(new LiteralExpression("/* ReadFromRpcData error "
+ + m_qualifiedName + " */"));
+}
+
+void
Type::SetQualifiedName(const string& qualified)
{
m_qualifiedName = qualified;
@@ -458,6 +533,20 @@
addTo->Add(new MethodCall(parcel, "readStringArray", 1, v));
}
+void
+StringType::WriteToRpcData(StatementBlock* addTo, Expression* k, Variable* v,
+ Variable* data, int flags)
+{
+ addTo->Add(new MethodCall(data, "putString", 2, k, v));
+}
+
+void
+StringType::CreateFromRpcData(StatementBlock* addTo, Expression* k, Variable* v,
+ Variable* data, Variable**)
+{
+ addTo->Add(new Assignment(v, new MethodCall(data, "getString", 1, k)));
+}
+
// ================================================================
CharSequenceType::CharSequenceType()
diff --git a/tools/aidl/Type.h b/tools/aidl/Type.h
index 662e3a2..1015dcf 100755
--- a/tools/aidl/Type.h
+++ b/tools/aidl/Type.h
@@ -59,6 +59,14 @@
virtual void ReadArrayFromParcel(StatementBlock* addTo, Variable* v,
Variable* parcel, Variable** cl);
+ virtual void WriteToRpcData(StatementBlock* addTo, Expression* k, Variable* v,
+ Variable* data, int flags);
+ virtual void CreateFromRpcData(StatementBlock* addTo, Expression* k, Variable* v,
+ Variable* data, Variable** cl);
+ virtual void ReadFromRpcData(StatementBlock* addTo, Expression* k, Variable* v,
+ Variable* data, Variable** cl);
+
+
protected:
void SetQualifiedName(const string& qualified);
Expression* BuildWriteToParcelFlags(int flags);
@@ -169,6 +177,11 @@
Variable* parcel, Variable** cl);
virtual void ReadArrayFromParcel(StatementBlock* addTo, Variable* v,
Variable* parcel, Variable** cl);
+
+ virtual void WriteToRpcData(StatementBlock* addTo, Expression* k, Variable* v,
+ Variable* data, int flags);
+ virtual void CreateFromRpcData(StatementBlock* addTo, Expression* k, Variable* v,
+ Variable* data, Variable** cl);
};
class CharSequenceType : public Type
@@ -438,11 +451,13 @@
extern Type* VOID_TYPE;
extern Type* BOOLEAN_TYPE;
+extern Type* BYTE_TYPE;
extern Type* CHAR_TYPE;
extern Type* INT_TYPE;
extern Type* LONG_TYPE;
extern Type* FLOAT_TYPE;
extern Type* DOUBLE_TYPE;
+extern Type* OBJECT_TYPE;
extern Type* STRING_TYPE;
extern Type* CHAR_SEQUENCE_TYPE;
extern Type* TEXT_UTILS_TYPE;
@@ -455,6 +470,16 @@
extern Type* PARCEL_TYPE;
extern Type* PARCELABLE_INTERFACE_TYPE;
+extern Type* CONTEXT_TYPE;
+
+extern Type* RPC_SERVICE_BASE_TYPE;
+extern Type* RPC_DATA_TYPE;
+extern Type* RPC_BROKER_TYPE;
+extern Type* RPC_ENDPOINT_INFO_TYPE;
+extern Type* RPC_RESULT_HANDLER_TYPE;
+extern Type* RPC_ERROR_TYPE;
+extern Type* RPC_ERROR_LISTENER_TYPE;
+
extern Expression* NULL_VALUE;
extern Expression* THIS_VALUE;
extern Expression* SUPER_VALUE;
diff --git a/tools/aidl/aidl.cpp b/tools/aidl/aidl.cpp
index 92f5b64..50a0ba4 100644
--- a/tools/aidl/aidl.cpp
+++ b/tools/aidl/aidl.cpp
@@ -29,7 +29,7 @@
test_document(document_item_type* d)
{
while (d) {
- if (d->item_type == INTERFACE_TYPE) {
+ if (d->item_type == INTERFACE_TYPE_BINDER) {
interface_type* c = (interface_type*)d;
printf("interface %s %s {\n", c->package, c->name.data);
interface_item_type *q = (interface_item_type*)c->interface_items;
@@ -242,7 +242,8 @@
parcelable_type* p = (parcelable_type*)items;
err |= check_filename(filename, p->package, &p->name);
}
- else if (items->item_type == INTERFACE_TYPE) {
+ else if (items->item_type == INTERFACE_TYPE_BINDER
+ || items->item_type == INTERFACE_TYPE_RPC) {
interface_type* c = (interface_type*)items;
err |= check_filename(filename, c->package, &c->name);
}
@@ -295,7 +296,8 @@
type = new ParcelableType(p->package ? p->package : "",
p->name.data, false, filename, p->name.lineno);
}
- else if (items->item_type == INTERFACE_TYPE) {
+ else if (items->item_type == INTERFACE_TYPE_BINDER
+ || items->item_type == INTERFACE_TYPE_RPC) {
interface_type* c = (interface_type*)items;
type = new InterfaceType(c->package ? c->package : "",
c->name.data, false, c->oneway,
@@ -310,7 +312,7 @@
if (old == NULL) {
NAMES.Add(type);
- if (items->item_type == INTERFACE_TYPE) {
+ if (items->item_type == INTERFACE_TYPE_BINDER) {
// for interfaces, also add the stub and proxy types, we don't
// bother checking these for duplicates, because the parser
// won't let us do it.
@@ -330,6 +332,19 @@
filename, c->name.lineno);
NAMES.Add(proxy);
}
+ else if (items->item_type == INTERFACE_TYPE_RPC) {
+ // for interfaces, also add the service base type, we don't
+ // bother checking these for duplicates, because the parser
+ // won't let us do it.
+ interface_type* c = (interface_type*)items;
+
+ string name = c->name.data;
+ name += ".ServiceBase";
+ Type* base = new Type(c->package ? c->package : "",
+ name, Type::GENERATED, false, false,
+ filename, c->name.lineno);
+ NAMES.Add(base);
+ }
} else {
if (old->Kind() == Type::BUILT_IN) {
fprintf(stderr, "%s:%d attempt to redefine built in class %s\n",
@@ -498,7 +513,7 @@
int err = 0;
while (items) {
// (nothing to check for PARCELABLE_TYPE)
- if (items->item_type == INTERFACE_TYPE) {
+ if (items->item_type == INTERFACE_TYPE_BINDER) {
map<string,method_type*> methodNames;
interface_type* c = (interface_type*)items;
@@ -544,7 +559,10 @@
const document_item_type* next = items->next;
if (items->next != NULL) {
int lineno = -1;
- if (next->item_type == INTERFACE_TYPE) {
+ if (next->item_type == INTERFACE_TYPE_BINDER) {
+ lineno = ((interface_type*)next)->interface_token.lineno;
+ }
+ else if (next->item_type == INTERFACE_TYPE_RPC) {
lineno = ((interface_type*)next)->interface_token.lineno;
}
else if (next->item_type == PARCELABLE_TYPE) {
@@ -616,7 +634,7 @@
string result;
// items has already been checked to have only one interface.
- if (items->item_type == INTERFACE_TYPE) {
+ if (items->item_type == INTERFACE_TYPE_BINDER || items->item_type == INTERFACE_TYPE_RPC) {
interface_type* type = (interface_type*)items;
// create the path to the destination folder based on the
@@ -723,7 +741,7 @@
interface_type* iface = (interface_type*)malloc(
sizeof(interface_type));
memset(iface, 0, sizeof(interface_type));
- iface->document_item.item_type = INTERFACE_TYPE;
+ iface->document_item.item_type = INTERFACE_TYPE_BINDER;
iface->interface_token.lineno = lineno;
iface->interface_token.data = strdup(type);
iface->package = packagename ? strdup(packagename) : NULL;
diff --git a/tools/aidl/aidl_language.h b/tools/aidl/aidl_language.h
index 9ca5deb..985f646 100644
--- a/tools/aidl/aidl_language.h
+++ b/tools/aidl/aidl_language.h
@@ -64,7 +64,8 @@
enum {
PARCELABLE_TYPE = 12,
- INTERFACE_TYPE
+ INTERFACE_TYPE_BINDER,
+ INTERFACE_TYPE_RPC
};
typedef struct document_item_type {
diff --git a/tools/aidl/aidl_language_l.l b/tools/aidl/aidl_language_l.l
index 567b1cf..8092366 100644
--- a/tools/aidl/aidl_language_l.l
+++ b/tools/aidl/aidl_language_l.l
@@ -81,6 +81,7 @@
/* keywords */
parcelable { SET_BUFFER(PARCELABLE); return PARCELABLE; }
interface { SET_BUFFER(INTERFACE); return INTERFACE; }
+rpc { SET_BUFFER(INTERFACE); return RPC; }
in { SET_BUFFER(IN); return IN; }
out { SET_BUFFER(OUT); return OUT; }
inout { SET_BUFFER(INOUT); return INOUT; }
diff --git a/tools/aidl/aidl_language_y.y b/tools/aidl/aidl_language_y.y
index 3d65f17..965d936 100644
--- a/tools/aidl/aidl_language_y.y
+++ b/tools/aidl/aidl_language_y.y
@@ -19,6 +19,7 @@
%token ARRAY
%token PARCELABLE
%token INTERFACE
+%token RPC
%token IN
%token OUT
%token INOUT
@@ -102,6 +103,8 @@
interface_header:
INTERFACE {
interface_type* c = (interface_type*)malloc(sizeof(interface_type));
+ c->document_item.item_type = INTERFACE_TYPE_BINDER;
+ c->document_item.next = NULL;
c->interface_token = $1.buffer;
c->oneway = false;
memset(&c->oneway_token, 0, sizeof(buffer_type));
@@ -110,19 +113,34 @@
}
| ONEWAY INTERFACE {
interface_type* c = (interface_type*)malloc(sizeof(interface_type));
+ c->document_item.item_type = INTERFACE_TYPE_BINDER;
+ c->document_item.next = NULL;
c->interface_token = $2.buffer;
c->oneway = true;
c->oneway_token = $1.buffer;
c->comments_token = &c->oneway_token;
$$.interface_obj = c;
}
+ | RPC {
+ interface_type* c = (interface_type*)malloc(sizeof(interface_type));
+ c->document_item.item_type = INTERFACE_TYPE_RPC;
+ c->document_item.next = NULL;
+ c->interface_token = $1.buffer;
+ c->oneway = false;
+ memset(&c->oneway_token, 0, sizeof(buffer_type));
+ c->comments_token = &c->interface_token;
+ $$.interface_obj = c;
+ }
+ ;
+
+interface_keywords:
+ INTERFACE
+ | RPC
;
interface_decl:
interface_header IDENTIFIER '{' interface_items '}' {
interface_type* c = $1.interface_obj;
- c->document_item.item_type = INTERFACE_TYPE;
- c->document_item.next = NULL;
c->name = $2.buffer;
c->package = g_currentPackage ? strdup(g_currentPackage) : NULL;
c->open_brace_token = $3.buffer;
@@ -130,12 +148,12 @@
c->close_brace_token = $5.buffer;
$$.interface_obj = c;
}
- | INTERFACE error '{' interface_items '}' {
+ | interface_keywords error '{' interface_items '}' {
fprintf(stderr, "%s:%d: syntax error in interface declaration. Expected type name, saw \"%s\"\n",
g_currentFilename, $2.buffer.lineno, $2.buffer.data);
$$.document_item = NULL;
}
- | INTERFACE error '}' {
+ | interface_keywords error '}' {
fprintf(stderr, "%s:%d: syntax error in interface declaration. Expected type name, saw \"%s\"\n",
g_currentFilename, $2.buffer.lineno, $2.buffer.data);
$$.document_item = NULL;
diff --git a/tools/aidl/generate_java.cpp b/tools/aidl/generate_java.cpp
index 83e3bbc..9e57407 100644
--- a/tools/aidl/generate_java.cpp
+++ b/tools/aidl/generate_java.cpp
@@ -1,5 +1,4 @@
#include "generate_java.h"
-#include "AST.h"
#include "Type.h"
#include <string.h>
#include <stdio.h>
@@ -7,18 +6,6 @@
#include <string.h>
// =================================================
-class VariableFactory
-{
-public:
- VariableFactory(const string& base); // base must be short
- Variable* Get(Type* type);
- Variable* Get(int index);
-private:
- vector<Variable*> m_vars;
- string m_base;
- int m_index;
-};
-
VariableFactory::VariableFactory(const string& base)
:m_base(base),
m_index(0)
@@ -43,195 +30,7 @@
}
// =================================================
-class StubClass : public Class
-{
-public:
- StubClass(Type* type, Type* interfaceType);
- virtual ~StubClass();
-
- Variable* transact_code;
- Variable* transact_data;
- Variable* transact_reply;
- Variable* transact_flags;
- SwitchStatement* transact_switch;
-private:
- void make_as_interface(Type* interfaceType);
-};
-
-StubClass::StubClass(Type* type, Type* interfaceType)
- :Class()
-{
- this->comment = "/** Local-side IPC implementation stub class. */";
- this->modifiers = PUBLIC | ABSTRACT | STATIC;
- this->what = Class::CLASS;
- this->type = type;
- this->extends = BINDER_NATIVE_TYPE;
- this->interfaces.push_back(interfaceType);
-
- // descriptor
- Field* descriptor = new Field(STATIC | FINAL | PRIVATE,
- new Variable(STRING_TYPE, "DESCRIPTOR"));
- descriptor->value = "\"" + interfaceType->QualifiedName() + "\"";
- this->elements.push_back(descriptor);
-
- // ctor
- Method* ctor = new Method;
- ctor->modifiers = PUBLIC;
- ctor->comment = "/** Construct the stub at attach it to the "
- "interface. */";
- ctor->name = "Stub";
- ctor->statements = new StatementBlock;
- MethodCall* attach = new MethodCall(THIS_VALUE, "attachInterface",
- 2, THIS_VALUE, new LiteralExpression("DESCRIPTOR"));
- ctor->statements->Add(attach);
- this->elements.push_back(ctor);
-
- // asInterface
- make_as_interface(interfaceType);
-
- // asBinder
- Method* asBinder = new Method;
- asBinder->modifiers = PUBLIC;
- asBinder->returnType = IBINDER_TYPE;
- asBinder->name = "asBinder";
- asBinder->statements = new StatementBlock;
- asBinder->statements->Add(new ReturnStatement(THIS_VALUE));
- this->elements.push_back(asBinder);
-
- // onTransact
- this->transact_code = new Variable(INT_TYPE, "code");
- this->transact_data = new Variable(PARCEL_TYPE, "data");
- this->transact_reply = new Variable(PARCEL_TYPE, "reply");
- this->transact_flags = new Variable(INT_TYPE, "flags");
- Method* onTransact = new Method;
- onTransact->modifiers = PUBLIC | OVERRIDE;
- onTransact->returnType = BOOLEAN_TYPE;
- onTransact->name = "onTransact";
- onTransact->parameters.push_back(this->transact_code);
- onTransact->parameters.push_back(this->transact_data);
- onTransact->parameters.push_back(this->transact_reply);
- onTransact->parameters.push_back(this->transact_flags);
- onTransact->statements = new StatementBlock;
- onTransact->exceptions.push_back(REMOTE_EXCEPTION_TYPE);
- this->elements.push_back(onTransact);
- this->transact_switch = new SwitchStatement(this->transact_code);
-
- onTransact->statements->Add(this->transact_switch);
- MethodCall* superCall = new MethodCall(SUPER_VALUE, "onTransact", 4,
- this->transact_code, this->transact_data,
- this->transact_reply, this->transact_flags);
- onTransact->statements->Add(new ReturnStatement(superCall));
-}
-
-StubClass::~StubClass()
-{
-}
-
-void
-StubClass::make_as_interface(Type *interfaceType)
-{
- Variable* obj = new Variable(IBINDER_TYPE, "obj");
-
- Method* m = new Method;
- m->comment = "/**\n * Cast an IBinder object into an ";
- m->comment += interfaceType->QualifiedName();
- m->comment += " interface,\n";
- m->comment += " * generating a proxy if needed.\n */";
- m->modifiers = PUBLIC | STATIC;
- m->returnType = interfaceType;
- m->name = "asInterface";
- m->parameters.push_back(obj);
- m->statements = new StatementBlock;
-
- IfStatement* ifstatement = new IfStatement();
- ifstatement->expression = new Comparison(obj, "==", NULL_VALUE);
- ifstatement->statements = new StatementBlock;
- ifstatement->statements->Add(new ReturnStatement(NULL_VALUE));
- m->statements->Add(ifstatement);
-
- // IInterface iin = obj.queryLocalInterface(DESCRIPTOR)
- MethodCall* queryLocalInterface = new MethodCall(obj, "queryLocalInterface");
- queryLocalInterface->arguments.push_back(new LiteralExpression("DESCRIPTOR"));
- IInterfaceType* iinType = new IInterfaceType();
- Variable *iin = new Variable(iinType, "iin");
- VariableDeclaration* iinVd = new VariableDeclaration(iin, queryLocalInterface, iinType);
- m->statements->Add(iinVd);
-
- // Ensure the instance type of the local object is as expected.
- // One scenario where this is needed is if another package (with a
- // different class loader) runs in the same process as the service.
-
- // if (iin != null && iin instanceof <interfaceType>) return (<interfaceType>) iin;
- Comparison* iinNotNull = new Comparison(iin, "!=", NULL_VALUE);
- Comparison* instOfCheck = new Comparison(iin, " instanceof ",
- new LiteralExpression(interfaceType->QualifiedName()));
- IfStatement* instOfStatement = new IfStatement();
- instOfStatement->expression = new Comparison(iinNotNull, "&&", instOfCheck);
- instOfStatement->statements = new StatementBlock;
- instOfStatement->statements->Add(new ReturnStatement(new Cast(interfaceType, iin)));
- m->statements->Add(instOfStatement);
-
- string proxyType = interfaceType->QualifiedName();
- proxyType += ".Stub.Proxy";
- NewExpression* ne = new NewExpression(NAMES.Find(proxyType));
- ne->arguments.push_back(obj);
- m->statements->Add(new ReturnStatement(ne));
-
- this->elements.push_back(m);
-}
-
-
-
-// =================================================
-class ProxyClass : public Class
-{
-public:
- ProxyClass(Type* type, InterfaceType* interfaceType);
- virtual ~ProxyClass();
-
- Variable* mRemote;
- bool mOneWay;
-};
-
-ProxyClass::ProxyClass(Type* type, InterfaceType* interfaceType)
- :Class()
-{
- this->modifiers = PRIVATE | STATIC;
- this->what = Class::CLASS;
- this->type = type;
- this->interfaces.push_back(interfaceType);
-
- mOneWay = interfaceType->OneWay();
-
- // IBinder mRemote
- mRemote = new Variable(IBINDER_TYPE, "mRemote");
- this->elements.push_back(new Field(PRIVATE, mRemote));
-
- // Proxy()
- Variable* remote = new Variable(IBINDER_TYPE, "remote");
- Method* ctor = new Method;
- ctor->name = "Proxy";
- ctor->statements = new StatementBlock;
- ctor->parameters.push_back(remote);
- ctor->statements->Add(new Assignment(mRemote, remote));
- this->elements.push_back(ctor);
-
- // IBinder asBinder()
- Method* asBinder = new Method;
- asBinder->modifiers = PUBLIC;
- asBinder->returnType = IBINDER_TYPE;
- asBinder->name = "asBinder";
- asBinder->statements = new StatementBlock;
- asBinder->statements->Add(new ReturnStatement(mRemote));
- this->elements.push_back(asBinder);
-}
-
-ProxyClass::~ProxyClass()
-{
-}
-
-// =================================================
-static string
+string
gather_comments(extra_text_type* extra)
{
string s;
@@ -249,7 +48,7 @@
return s;
}
-static string
+string
append(const char* a, const char* b)
{
string s = a;
@@ -257,379 +56,25 @@
return s;
}
-static void
-generate_new_array(Type* t, StatementBlock* addTo, Variable* v,
- Variable* parcel)
-{
- Variable* len = new Variable(INT_TYPE, v->name + "_length");
- addTo->Add(new VariableDeclaration(len, new MethodCall(parcel, "readInt")));
- IfStatement* lencheck = new IfStatement();
- lencheck->expression = new Comparison(len, "<", new LiteralExpression("0"));
- lencheck->statements->Add(new Assignment(v, NULL_VALUE));
- lencheck->elseif = new IfStatement();
- lencheck->elseif->statements->Add(new Assignment(v,
- new NewArrayExpression(t, len)));
- addTo->Add(lencheck);
-}
-
-static void
-generate_write_to_parcel(Type* t, StatementBlock* addTo, Variable* v,
- Variable* parcel, int flags)
-{
- if (v->dimension == 0) {
- t->WriteToParcel(addTo, v, parcel, flags);
- }
- if (v->dimension == 1) {
- t->WriteArrayToParcel(addTo, v, parcel, flags);
- }
-}
-
-static void
-generate_create_from_parcel(Type* t, StatementBlock* addTo, Variable* v,
- Variable* parcel, Variable** cl)
-{
- if (v->dimension == 0) {
- t->CreateFromParcel(addTo, v, parcel, cl);
- }
- if (v->dimension == 1) {
- t->CreateArrayFromParcel(addTo, v, parcel, cl);
- }
-}
-
-static void
-generate_read_from_parcel(Type* t, StatementBlock* addTo, Variable* v,
- Variable* parcel, Variable** cl)
-{
- if (v->dimension == 0) {
- t->ReadFromParcel(addTo, v, parcel, cl);
- }
- if (v->dimension == 1) {
- t->ReadArrayFromParcel(addTo, v, parcel, cl);
- }
-}
-
-
-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));
- }
-}
-
-static void
-generate_interface_descriptors(StubClass* stub, ProxyClass* proxy)
-{
- // the interface descriptor transaction handler
- Case* c = new Case("INTERFACE_TRANSACTION");
- c->statements->Add(new MethodCall(stub->transact_reply, "writeString",
- 1, new LiteralExpression("DESCRIPTOR")));
- c->statements->Add(new ReturnStatement(TRUE_VALUE));
- stub->transact_switch->cases.push_back(c);
-
- // and the proxy-side method returning the descriptor directly
- Method* getDesc = new Method;
- getDesc->modifiers = PUBLIC;
- getDesc->returnType = STRING_TYPE;
- getDesc->returnTypeDimension = 0;
- getDesc->name = "getInterfaceDescriptor";
- getDesc->statements = new StatementBlock;
- getDesc->statements->Add(new ReturnStatement(new LiteralExpression("DESCRIPTOR")));
- proxy->elements.push_back(getDesc);
-}
-
-static Class*
-generate_interface_class(const interface_type* iface)
-{
- InterfaceType* interfaceType = static_cast<InterfaceType*>(
- NAMES.Find(iface->package, iface->name.data));
-
- // the interface class
- Class* interface = new Class;
- interface->comment = gather_comments(iface->comments_token->extra);
- interface->modifiers = PUBLIC;
- interface->what = Class::INTERFACE;
- interface->type = interfaceType;
- interface->interfaces.push_back(IINTERFACE_TYPE);
-
- // the stub inner class
- StubClass* stub = new StubClass(
- NAMES.Find(iface->package, append(iface->name.data, ".Stub").c_str()),
- interfaceType);
- interface->elements.push_back(stub);
-
- // the proxy inner class
- ProxyClass* proxy = new ProxyClass(
- NAMES.Find(iface->package,
- append(iface->name.data, ".Stub.Proxy").c_str()),
- interfaceType);
- stub->elements.push_back(proxy);
-
- // stub and proxy support for getInterfaceDescriptor()
- generate_interface_descriptors(stub, proxy);
-
- // all the declared methods of the interface
- int index = 0;
- interface_item_type* item = iface->interface_items;
- while (item != NULL) {
- if (item->item_type == METHOD_TYPE) {
- generate_method((method_type*)item, interface, stub, proxy, index);
- }
- item = item->next;
- index++;
- }
-
- return interface;
-}
-
+// =================================================
int
generate_java(const string& filename, const string& originalSrc,
interface_type* iface)
{
+ Class* cl;
+
+ if (iface->document_item.item_type == INTERFACE_TYPE_BINDER) {
+ cl = generate_binder_interface_class(iface);
+ }
+ else if (iface->document_item.item_type == INTERFACE_TYPE_RPC) {
+ cl = generate_rpc_interface_class(iface);
+ }
+
Document* document = new Document;
document->comment = "";
if (iface->package) document->package = iface->package;
document->originalSrc = originalSrc;
- document->classes.push_back(generate_interface_class(iface));
+ document->classes.push_back(cl);
// printf("outputting... filename=%s\n", filename.c_str());
FILE* to;
diff --git a/tools/aidl/generate_java.h b/tools/aidl/generate_java.h
index 203fe23..4bfcfeb 100644
--- a/tools/aidl/generate_java.h
+++ b/tools/aidl/generate_java.h
@@ -2,6 +2,7 @@
#define GENERATE_JAVA_H
#include "aidl_language.h"
+#include "AST.h"
#include <string>
@@ -10,5 +11,23 @@
int generate_java(const string& filename, const string& originalSrc,
interface_type* iface);
+Class* generate_binder_interface_class(const interface_type* iface);
+Class* generate_rpc_interface_class(const interface_type* iface);
+
+string gather_comments(extra_text_type* extra);
+string append(const char* a, const char* b);
+
+class VariableFactory
+{
+public:
+ VariableFactory(const string& base); // base must be short
+ Variable* Get(Type* type);
+ Variable* Get(int index);
+private:
+ vector<Variable*> m_vars;
+ string m_base;
+ int m_index;
+};
+
#endif // GENERATE_JAVA_H
diff --git a/tools/aidl/generate_java_binder.cpp b/tools/aidl/generate_java_binder.cpp
new file mode 100644
index 0000000..2e459a8
--- /dev/null
+++ b/tools/aidl/generate_java_binder.cpp
@@ -0,0 +1,559 @@
+#include "generate_java.h"
+#include "Type.h"
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+// =================================================
+class StubClass : public Class
+{
+public:
+ StubClass(Type* type, Type* interfaceType);
+ virtual ~StubClass();
+
+ Variable* transact_code;
+ Variable* transact_data;
+ Variable* transact_reply;
+ Variable* transact_flags;
+ SwitchStatement* transact_switch;
+private:
+ void make_as_interface(Type* interfaceType);
+};
+
+StubClass::StubClass(Type* type, Type* interfaceType)
+ :Class()
+{
+ this->comment = "/** Local-side IPC implementation stub class. */";
+ this->modifiers = PUBLIC | ABSTRACT | STATIC;
+ this->what = Class::CLASS;
+ this->type = type;
+ this->extends = BINDER_NATIVE_TYPE;
+ this->interfaces.push_back(interfaceType);
+
+ // descriptor
+ Field* descriptor = new Field(STATIC | FINAL | PRIVATE,
+ new Variable(STRING_TYPE, "DESCRIPTOR"));
+ descriptor->value = "\"" + interfaceType->QualifiedName() + "\"";
+ this->elements.push_back(descriptor);
+
+ // ctor
+ Method* ctor = new Method;
+ ctor->modifiers = PUBLIC;
+ ctor->comment = "/** Construct the stub at attach it to the "
+ "interface. */";
+ ctor->name = "Stub";
+ ctor->statements = new StatementBlock;
+ MethodCall* attach = new MethodCall(THIS_VALUE, "attachInterface",
+ 2, THIS_VALUE, new LiteralExpression("DESCRIPTOR"));
+ ctor->statements->Add(attach);
+ this->elements.push_back(ctor);
+
+ // asInterface
+ make_as_interface(interfaceType);
+
+ // asBinder
+ Method* asBinder = new Method;
+ asBinder->modifiers = PUBLIC;
+ asBinder->returnType = IBINDER_TYPE;
+ asBinder->name = "asBinder";
+ asBinder->statements = new StatementBlock;
+ asBinder->statements->Add(new ReturnStatement(THIS_VALUE));
+ this->elements.push_back(asBinder);
+
+ // onTransact
+ this->transact_code = new Variable(INT_TYPE, "code");
+ this->transact_data = new Variable(PARCEL_TYPE, "data");
+ this->transact_reply = new Variable(PARCEL_TYPE, "reply");
+ this->transact_flags = new Variable(INT_TYPE, "flags");
+ Method* onTransact = new Method;
+ onTransact->modifiers = PUBLIC | OVERRIDE;
+ onTransact->returnType = BOOLEAN_TYPE;
+ onTransact->name = "onTransact";
+ onTransact->parameters.push_back(this->transact_code);
+ onTransact->parameters.push_back(this->transact_data);
+ onTransact->parameters.push_back(this->transact_reply);
+ onTransact->parameters.push_back(this->transact_flags);
+ onTransact->statements = new StatementBlock;
+ onTransact->exceptions.push_back(REMOTE_EXCEPTION_TYPE);
+ this->elements.push_back(onTransact);
+ this->transact_switch = new SwitchStatement(this->transact_code);
+
+ onTransact->statements->Add(this->transact_switch);
+ MethodCall* superCall = new MethodCall(SUPER_VALUE, "onTransact", 4,
+ this->transact_code, this->transact_data,
+ this->transact_reply, this->transact_flags);
+ onTransact->statements->Add(new ReturnStatement(superCall));
+}
+
+StubClass::~StubClass()
+{
+}
+
+void
+StubClass::make_as_interface(Type *interfaceType)
+{
+ Variable* obj = new Variable(IBINDER_TYPE, "obj");
+
+ Method* m = new Method;
+ m->comment = "/**\n * Cast an IBinder object into an ";
+ m->comment += interfaceType->QualifiedName();
+ m->comment += " interface,\n";
+ m->comment += " * generating a proxy if needed.\n */";
+ m->modifiers = PUBLIC | STATIC;
+ m->returnType = interfaceType;
+ m->name = "asInterface";
+ m->parameters.push_back(obj);
+ m->statements = new StatementBlock;
+
+ IfStatement* ifstatement = new IfStatement();
+ ifstatement->expression = new Comparison(obj, "==", NULL_VALUE);
+ ifstatement->statements = new StatementBlock;
+ ifstatement->statements->Add(new ReturnStatement(NULL_VALUE));
+ m->statements->Add(ifstatement);
+
+ // IInterface iin = obj.queryLocalInterface(DESCRIPTOR)
+ MethodCall* queryLocalInterface = new MethodCall(obj, "queryLocalInterface");
+ queryLocalInterface->arguments.push_back(new LiteralExpression("DESCRIPTOR"));
+ IInterfaceType* iinType = new IInterfaceType();
+ Variable *iin = new Variable(iinType, "iin");
+ VariableDeclaration* iinVd = new VariableDeclaration(iin, queryLocalInterface, iinType);
+ m->statements->Add(iinVd);
+
+ // Ensure the instance type of the local object is as expected.
+ // One scenario where this is needed is if another package (with a
+ // different class loader) runs in the same process as the service.
+
+ // if (iin != null && iin instanceof <interfaceType>) return (<interfaceType>) iin;
+ Comparison* iinNotNull = new Comparison(iin, "!=", NULL_VALUE);
+ Comparison* instOfCheck = new Comparison(iin, " instanceof ",
+ new LiteralExpression(interfaceType->QualifiedName()));
+ IfStatement* instOfStatement = new IfStatement();
+ instOfStatement->expression = new Comparison(iinNotNull, "&&", instOfCheck);
+ instOfStatement->statements = new StatementBlock;
+ instOfStatement->statements->Add(new ReturnStatement(new Cast(interfaceType, iin)));
+ m->statements->Add(instOfStatement);
+
+ string proxyType = interfaceType->QualifiedName();
+ proxyType += ".Stub.Proxy";
+ NewExpression* ne = new NewExpression(NAMES.Find(proxyType));
+ ne->arguments.push_back(obj);
+ m->statements->Add(new ReturnStatement(ne));
+
+ this->elements.push_back(m);
+}
+
+
+
+// =================================================
+class ProxyClass : public Class
+{
+public:
+ ProxyClass(Type* type, InterfaceType* interfaceType);
+ virtual ~ProxyClass();
+
+ Variable* mRemote;
+ bool mOneWay;
+};
+
+ProxyClass::ProxyClass(Type* type, InterfaceType* interfaceType)
+ :Class()
+{
+ this->modifiers = PRIVATE | STATIC;
+ this->what = Class::CLASS;
+ this->type = type;
+ this->interfaces.push_back(interfaceType);
+
+ mOneWay = interfaceType->OneWay();
+
+ // IBinder mRemote
+ mRemote = new Variable(IBINDER_TYPE, "mRemote");
+ this->elements.push_back(new Field(PRIVATE, mRemote));
+
+ // Proxy()
+ Variable* remote = new Variable(IBINDER_TYPE, "remote");
+ Method* ctor = new Method;
+ ctor->name = "Proxy";
+ ctor->statements = new StatementBlock;
+ ctor->parameters.push_back(remote);
+ ctor->statements->Add(new Assignment(mRemote, remote));
+ this->elements.push_back(ctor);
+
+ // IBinder asBinder()
+ Method* asBinder = new Method;
+ asBinder->modifiers = PUBLIC;
+ asBinder->returnType = IBINDER_TYPE;
+ asBinder->name = "asBinder";
+ asBinder->statements = new StatementBlock;
+ asBinder->statements->Add(new ReturnStatement(mRemote));
+ this->elements.push_back(asBinder);
+}
+
+ProxyClass::~ProxyClass()
+{
+}
+
+// =================================================
+static void
+generate_new_array(Type* t, StatementBlock* addTo, Variable* v,
+ Variable* parcel)
+{
+ Variable* len = new Variable(INT_TYPE, v->name + "_length");
+ addTo->Add(new VariableDeclaration(len, new MethodCall(parcel, "readInt")));
+ IfStatement* lencheck = new IfStatement();
+ lencheck->expression = new Comparison(len, "<", new LiteralExpression("0"));
+ lencheck->statements->Add(new Assignment(v, NULL_VALUE));
+ lencheck->elseif = new IfStatement();
+ lencheck->elseif->statements->Add(new Assignment(v,
+ new NewArrayExpression(t, len)));
+ addTo->Add(lencheck);
+}
+
+static void
+generate_write_to_parcel(Type* t, StatementBlock* addTo, Variable* v,
+ Variable* parcel, int flags)
+{
+ if (v->dimension == 0) {
+ t->WriteToParcel(addTo, v, parcel, flags);
+ }
+ if (v->dimension == 1) {
+ t->WriteArrayToParcel(addTo, v, parcel, flags);
+ }
+}
+
+static void
+generate_create_from_parcel(Type* t, StatementBlock* addTo, Variable* v,
+ Variable* parcel, Variable** cl)
+{
+ if (v->dimension == 0) {
+ t->CreateFromParcel(addTo, v, parcel, cl);
+ }
+ if (v->dimension == 1) {
+ t->CreateArrayFromParcel(addTo, v, parcel, cl);
+ }
+}
+
+static void
+generate_read_from_parcel(Type* t, StatementBlock* addTo, Variable* v,
+ Variable* parcel, Variable** cl)
+{
+ if (v->dimension == 0) {
+ t->ReadFromParcel(addTo, v, parcel, cl);
+ }
+ if (v->dimension == 1) {
+ t->ReadArrayFromParcel(addTo, v, parcel, cl);
+ }
+}
+
+
+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));
+ }
+}
+
+static void
+generate_interface_descriptors(StubClass* stub, ProxyClass* proxy)
+{
+ // the interface descriptor transaction handler
+ Case* c = new Case("INTERFACE_TRANSACTION");
+ c->statements->Add(new MethodCall(stub->transact_reply, "writeString",
+ 1, new LiteralExpression("DESCRIPTOR")));
+ c->statements->Add(new ReturnStatement(TRUE_VALUE));
+ stub->transact_switch->cases.push_back(c);
+
+ // and the proxy-side method returning the descriptor directly
+ Method* getDesc = new Method;
+ getDesc->modifiers = PUBLIC;
+ getDesc->returnType = STRING_TYPE;
+ getDesc->returnTypeDimension = 0;
+ getDesc->name = "getInterfaceDescriptor";
+ getDesc->statements = new StatementBlock;
+ getDesc->statements->Add(new ReturnStatement(new LiteralExpression("DESCRIPTOR")));
+ proxy->elements.push_back(getDesc);
+}
+
+Class*
+generate_binder_interface_class(const interface_type* iface)
+{
+ InterfaceType* interfaceType = static_cast<InterfaceType*>(
+ NAMES.Find(iface->package, iface->name.data));
+
+ // the interface class
+ Class* interface = new Class;
+ interface->comment = gather_comments(iface->comments_token->extra);
+ interface->modifiers = PUBLIC;
+ interface->what = Class::INTERFACE;
+ interface->type = interfaceType;
+ interface->interfaces.push_back(IINTERFACE_TYPE);
+
+ // the stub inner class
+ StubClass* stub = new StubClass(
+ NAMES.Find(iface->package, append(iface->name.data, ".Stub").c_str()),
+ interfaceType);
+ interface->elements.push_back(stub);
+
+ // the proxy inner class
+ ProxyClass* proxy = new ProxyClass(
+ NAMES.Find(iface->package,
+ append(iface->name.data, ".Stub.Proxy").c_str()),
+ interfaceType);
+ stub->elements.push_back(proxy);
+
+ // stub and proxy support for getInterfaceDescriptor()
+ generate_interface_descriptors(stub, proxy);
+
+ // all the declared methods of the interface
+ int index = 0;
+ interface_item_type* item = iface->interface_items;
+ while (item != NULL) {
+ if (item->item_type == METHOD_TYPE) {
+ generate_method((method_type*)item, interface, stub, proxy, index);
+ }
+ item = item->next;
+ index++;
+ }
+
+ return interface;
+}
+
diff --git a/tools/aidl/generate_java_rpc.cpp b/tools/aidl/generate_java_rpc.cpp
new file mode 100644
index 0000000..f7489b3
--- /dev/null
+++ b/tools/aidl/generate_java_rpc.cpp
@@ -0,0 +1,667 @@
+#include "generate_java.h"
+#include "Type.h"
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+Type* SERVICE_CONTAINER_TYPE = new Type("com.android.athome.service",
+ "AndroidAtHomeServiceContainer", Type::BUILT_IN, false, false);
+
+static string
+format_int(int n)
+{
+ char str[20];
+ sprintf(str, "%d", n);
+ return string(str);
+}
+
+static string
+class_name_leaf(const string& str)
+{
+ string::size_type pos = str.rfind('.');
+ if (pos == string::npos) {
+ return str;
+ } else {
+ return string(str, pos+1);
+ }
+}
+
+// =================================================
+class RpcProxyClass : public Class
+{
+public:
+ RpcProxyClass(const interface_type* iface, InterfaceType* interfaceType);
+ virtual ~RpcProxyClass();
+
+ Variable* endpoint;
+ Variable* context;
+
+private:
+ void generate_ctor();
+};
+
+RpcProxyClass::RpcProxyClass(const interface_type* iface, InterfaceType* interfaceType)
+ :Class()
+{
+ this->comment = gather_comments(iface->comments_token->extra);
+ this->modifiers = PUBLIC;
+ this->what = Class::CLASS;
+ this->type = interfaceType;
+
+ // context
+ this->context = new Variable(CONTEXT_TYPE, "_context");
+ this->elements.push_back(new Field(PRIVATE, this->context));
+ // endpoint
+ this->endpoint = new Variable(RPC_ENDPOINT_INFO_TYPE, "_endpoint");
+ this->elements.push_back(new Field(PRIVATE, this->endpoint));
+
+ // methods
+ generate_ctor();
+}
+
+RpcProxyClass::~RpcProxyClass()
+{
+}
+
+void
+RpcProxyClass::generate_ctor()
+{
+ Variable* context = new Variable(CONTEXT_TYPE, "context");
+ Variable* endpoint = new Variable(RPC_ENDPOINT_INFO_TYPE, "endpoint");
+ Method* ctor = new Method;
+ ctor->modifiers = PUBLIC;
+ ctor->name = this->type->Name();
+ ctor->statements = new StatementBlock;
+ ctor->parameters.push_back(context);
+ ctor->parameters.push_back(endpoint);
+ this->elements.push_back(ctor);
+
+ ctor->statements->Add(new Assignment(this->context, context));
+ ctor->statements->Add(new Assignment(this->endpoint, endpoint));
+}
+
+// =================================================
+class ServiceBaseClass : public Class
+{
+public:
+ ServiceBaseClass(const interface_type* iface);
+ virtual ~ServiceBaseClass();
+
+ void AddMethod(const string& methodName, StatementBlock** statements);
+ void DoneWithMethods();
+
+ bool needed;
+ Method* processMethod;
+ Variable* actionParam;
+ Variable* errorParam;
+ Variable* requestData;
+ Variable* resultData;
+ IfStatement* dispatchIfStatement;
+
+private:
+ void generate_ctor();
+ void generate_process();
+};
+
+ServiceBaseClass::ServiceBaseClass(const interface_type* iface)
+ :Class(),
+ needed(false),
+ dispatchIfStatement(NULL)
+{
+ this->comment = "/** Extend this to implement a link service. */";
+ this->modifiers = STATIC | PUBLIC | ABSTRACT;
+ this->what = Class::CLASS;
+ this->type = NAMES.Find(iface->package, append(iface->name.data, ".ServiceBase").c_str());
+ this->extends = RPC_SERVICE_BASE_TYPE;
+
+ // methods
+ generate_ctor();
+ generate_process();
+}
+
+ServiceBaseClass::~ServiceBaseClass()
+{
+}
+
+void
+ServiceBaseClass::generate_ctor()
+{
+ Variable* container = new Variable(SERVICE_CONTAINER_TYPE, "container");
+ Variable* name = new Variable(STRING_TYPE, "name");
+ Variable* type = new Variable(STRING_TYPE, "type");
+ Variable* version = new Variable(INT_TYPE, "version");
+ Method* ctor = new Method;
+ ctor->modifiers = PUBLIC;
+ ctor->name = class_name_leaf(this->type->Name());
+ ctor->statements = new StatementBlock;
+ ctor->parameters.push_back(container);
+ ctor->parameters.push_back(name);
+ ctor->parameters.push_back(type);
+ ctor->parameters.push_back(version);
+ this->elements.push_back(ctor);
+
+ ctor->statements->Add(new MethodCall("super", 4, container, name, type, version));
+}
+
+void
+ServiceBaseClass::generate_process()
+{
+ // byte[] process(String action, byte[] params, RpcError status)
+ this->processMethod = new Method;
+ this->processMethod->modifiers = PUBLIC;
+ this->processMethod->returnType = BYTE_TYPE;
+ this->processMethod->returnTypeDimension = 1;
+ this->processMethod->name = "process";
+ this->processMethod->statements = new StatementBlock;
+ this->elements.push_back(this->processMethod);
+
+ this->actionParam = new Variable(STRING_TYPE, "action");
+ this->processMethod->parameters.push_back(this->actionParam);
+
+ Variable* requestParam = new Variable(BYTE_TYPE, "requestParam", 1);
+ this->processMethod->parameters.push_back(requestParam);
+
+ this->errorParam = new Variable(RPC_ERROR_TYPE, "errorParam", 0);
+ this->processMethod->parameters.push_back(this->errorParam);
+
+ this->requestData = new Variable(RPC_DATA_TYPE, "request");
+ this->processMethod->statements->Add(new VariableDeclaration(requestData,
+ new NewExpression(RPC_DATA_TYPE, 1, requestParam)));
+
+ this->resultData = new Variable(RPC_DATA_TYPE, "response");
+ this->processMethod->statements->Add(new VariableDeclaration(this->resultData,
+ NULL_VALUE));
+}
+
+void
+ServiceBaseClass::AddMethod(const string& methodName, StatementBlock** statements)
+{
+ IfStatement* ifs = new IfStatement();
+ ifs->expression = new MethodCall(new StringLiteralExpression(methodName), "equals", 1,
+ this->actionParam);
+ ifs->statements = *statements = new StatementBlock;
+ if (this->dispatchIfStatement == NULL) {
+ this->dispatchIfStatement = ifs;
+ this->processMethod->statements->Add(dispatchIfStatement);
+ } else {
+ this->dispatchIfStatement->elseif = ifs;
+ this->dispatchIfStatement = ifs;
+ }
+}
+
+void
+ServiceBaseClass::DoneWithMethods()
+{
+ IfStatement* s = new IfStatement;
+ s->statements = new StatementBlock;
+ this->processMethod->statements->Add(s);
+ s->expression = new Comparison(this->resultData, "!=", NULL_VALUE);
+ s->statements->Add(new ReturnStatement(new MethodCall(this->resultData, "serialize")));
+ s->elseif = new IfStatement;
+ s = s->elseif;
+ s->statements->Add(new ReturnStatement(NULL_VALUE));
+}
+
+// =================================================
+class ResultDispatcherClass : public Class
+{
+public:
+ ResultDispatcherClass();
+ virtual ~ResultDispatcherClass();
+
+ void AddMethod(int index, const string& name, Method** method, Variable** param);
+
+ bool needed;
+ Variable* methodId;
+ Variable* callback;
+ Method* onResultMethod;
+ Variable* resultParam;
+ SwitchStatement* methodSwitch;
+
+private:
+ void generate_ctor();
+ void generate_onResult();
+};
+
+ResultDispatcherClass::ResultDispatcherClass()
+ :Class(),
+ needed(false)
+{
+ this->modifiers = PRIVATE | FINAL;
+ this->what = Class::CLASS;
+ this->type = new Type("_ResultDispatcher", Type::GENERATED, false, false);
+ this->interfaces.push_back(RPC_RESULT_HANDLER_TYPE);
+
+ // methodId
+ this->methodId = new Variable(INT_TYPE, "methodId");
+ this->elements.push_back(new Field(PRIVATE, this->methodId));
+ this->callback = new Variable(OBJECT_TYPE, "callback");
+ this->elements.push_back(new Field(PRIVATE, this->callback));
+
+ // methods
+ generate_ctor();
+ generate_onResult();
+}
+
+ResultDispatcherClass::~ResultDispatcherClass()
+{
+}
+
+void
+ResultDispatcherClass::generate_ctor()
+{
+ Variable* methodIdParam = new Variable(INT_TYPE, "methId");
+ Variable* callbackParam = new Variable(OBJECT_TYPE, "cbObj");
+ Method* ctor = new Method;
+ ctor->modifiers = PUBLIC;
+ ctor->name = this->type->Name();
+ ctor->statements = new StatementBlock;
+ ctor->parameters.push_back(methodIdParam);
+ ctor->parameters.push_back(callbackParam);
+ this->elements.push_back(ctor);
+
+ ctor->statements->Add(new Assignment(this->methodId, methodIdParam));
+ ctor->statements->Add(new Assignment(this->callback, callbackParam));
+}
+
+void
+ResultDispatcherClass::generate_onResult()
+{
+ this->onResultMethod = new Method;
+ this->onResultMethod->modifiers = PUBLIC;
+ this->onResultMethod->returnType = VOID_TYPE;
+ this->onResultMethod->returnTypeDimension = 0;
+ this->onResultMethod->name = "onResult";
+ this->onResultMethod->statements = new StatementBlock;
+ this->elements.push_back(this->onResultMethod);
+
+ this->resultParam = new Variable(BYTE_TYPE, "result", 1);
+ this->onResultMethod->parameters.push_back(this->resultParam);
+
+ this->methodSwitch = new SwitchStatement(this->methodId);
+ this->onResultMethod->statements->Add(this->methodSwitch);
+}
+
+void
+ResultDispatcherClass::AddMethod(int index, const string& name, Method** method, Variable** param)
+{
+ Method* m = new Method;
+ m->modifiers = PUBLIC;
+ m->returnType = VOID_TYPE;
+ m->returnTypeDimension = 0;
+ m->name = name;
+ m->statements = new StatementBlock;
+ *param = new Variable(BYTE_TYPE, "result", 1);
+ m->parameters.push_back(*param);
+ this->elements.push_back(m);
+ *method = m;
+
+ Case* c = new Case(format_int(index));
+ c->statements->Add(new MethodCall(new LiteralExpression("this"), name, 1, this->resultParam));
+
+ this->methodSwitch->cases.push_back(c);
+}
+
+// =================================================
+static void
+generate_new_array(Type* t, StatementBlock* addTo, Variable* v, Variable* from)
+{
+ fprintf(stderr, "aidl: implement generate_new_array %s:%d\n", __FILE__, __LINE__);
+ exit(1);
+}
+
+static void
+generate_create_from_data(Type* t, StatementBlock* addTo, const string& key, Variable* v,
+ Variable* data, Variable** cl)
+{
+ Expression* k = new StringLiteralExpression(key);
+ if (v->dimension == 0) {
+ t->CreateFromRpcData(addTo, k, v, data, cl);
+ }
+ if (v->dimension == 1) {
+ //t->ReadArrayFromRpcData(addTo, v, data, cl);
+ fprintf(stderr, "aidl: implement generate_create_from_data for arrays%s:%d\n",
+ __FILE__, __LINE__);
+ }
+}
+
+static void
+generate_write_to_data(Type* t, StatementBlock* addTo, Expression* k, Variable* v, Variable* data)
+{
+ if (v->dimension == 0) {
+ t->WriteToRpcData(addTo, k, v, data, 0);
+ }
+ if (v->dimension == 1) {
+ //t->WriteArrayToParcel(addTo, v, data);
+ fprintf(stderr, "aidl: implement generate_write_to_data for arrays%s:%d\n",
+ __FILE__, __LINE__);
+ }
+}
+
+// =================================================
+static string
+results_class_name(const string& n)
+{
+ string str = n;
+ str[0] = toupper(str[0]);
+ str.insert(0, "On");
+ return str;
+}
+
+static string
+results_method_name(const string& n)
+{
+ string str = n;
+ str[0] = toupper(str[0]);
+ str.insert(0, "on");
+ return str;
+}
+
+static Type*
+generate_results_method(const method_type* method, RpcProxyClass* proxyClass)
+{
+ arg_type* arg;
+
+ string resultsMethodName = results_method_name(method->name.data);
+ Type* resultsInterfaceType = new Type(results_class_name(method->name.data),
+ Type::GENERATED, false, false);
+
+ if (!method->oneway) {
+ Class* resultsClass = new Class;
+ resultsClass->modifiers = STATIC | PUBLIC;
+ resultsClass->what = Class::INTERFACE;
+ resultsClass->type = resultsInterfaceType;
+
+ Method* resultMethod = new Method;
+ resultMethod->comment = gather_comments(method->comments_token->extra);
+ resultMethod->modifiers = PUBLIC;
+ resultMethod->returnType = VOID_TYPE;
+ resultMethod->returnTypeDimension = 0;
+ resultMethod->name = resultsMethodName;
+ if (0 != strcmp("void", method->type.type.data)) {
+ resultMethod->parameters.push_back(new Variable(NAMES.Search(method->type.type.data),
+ "_result", method->type.dimension));
+ }
+ arg = method->args;
+ while (arg != NULL) {
+ if (convert_direction(arg->direction.data) & OUT_PARAMETER) {
+ resultMethod->parameters.push_back(new Variable(
+ NAMES.Search(arg->type.type.data), arg->name.data,
+ arg->type.dimension));
+ }
+ arg = arg->next;
+ }
+ resultsClass->elements.push_back(resultMethod);
+
+ if (resultMethod->parameters.size() > 0) {
+ proxyClass->elements.push_back(resultsClass);
+ return resultsInterfaceType;
+ }
+ }
+ //delete resultsInterfaceType;
+ return NULL;
+}
+
+static void
+generate_proxy_method(const method_type* method, RpcProxyClass* proxyClass,
+ ResultDispatcherClass* resultsDispatcherClass, Type* resultsInterfaceType, int index)
+{
+ arg_type* arg;
+ Method* proxyMethod = new Method;
+ proxyMethod->comment = gather_comments(method->comments_token->extra);
+ proxyMethod->modifiers = PUBLIC;
+ proxyMethod->returnType = VOID_TYPE;
+ proxyMethod->returnTypeDimension = 0;
+ proxyMethod->name = method->name.data;
+ proxyMethod->statements = new StatementBlock;
+ proxyClass->elements.push_back(proxyMethod);
+
+ // The local variables
+ Variable* _data = new Variable(RPC_DATA_TYPE, "_data");
+ proxyMethod->statements->Add(new VariableDeclaration(_data, new NewExpression(RPC_DATA_TYPE)));
+
+ // Add the arguments
+ arg = method->args;
+ while (arg != NULL) {
+ if (convert_direction(arg->direction.data) & IN_PARAMETER) {
+ // Function signature
+ Type* t = NAMES.Search(arg->type.type.data);
+ Variable* v = new Variable(t, arg->name.data, arg->type.dimension);
+ proxyMethod->parameters.push_back(v);
+
+ // Input parameter marshalling
+ generate_write_to_data(t, proxyMethod->statements,
+ new StringLiteralExpression(arg->name.data), v, _data);
+ }
+ arg = arg->next;
+ }
+
+ // If there is a results interface for this class
+ Expression* resultParameter;
+ if (resultsInterfaceType != NULL) {
+ // Result interface parameter
+ Variable* resultListener = new Variable(resultsInterfaceType, "_result");
+ proxyMethod->parameters.push_back(resultListener);
+
+ // Add the results dispatcher callback
+ resultsDispatcherClass->needed = true;
+ resultParameter = new NewExpression(resultsDispatcherClass->type, 2,
+ new LiteralExpression(format_int(index)), resultListener);
+ } else {
+ resultParameter = NULL_VALUE;
+ }
+
+ // All proxy methods take an error parameter
+ Variable* errorListener = new Variable(RPC_ERROR_LISTENER_TYPE, "_errors");
+ proxyMethod->parameters.push_back(errorListener);
+
+ // Call the broker
+ proxyMethod->statements->Add(new MethodCall(RPC_BROKER_TYPE, "sendRequest", 6,
+ new FieldVariable(THIS_VALUE, "_context"),
+ new StringLiteralExpression(method->name.data),
+ proxyClass->endpoint,
+ new MethodCall(_data, "serialize"),
+ resultParameter,
+ errorListener));
+}
+
+static void
+generate_result_dispatcher_method(const method_type* method,
+ ResultDispatcherClass* resultsDispatcherClass, Type* resultsInterfaceType, int index)
+{
+ arg_type* arg;
+ Method* dispatchMethod;
+ Variable* dispatchParam;
+ resultsDispatcherClass->AddMethod(index, method->name.data, &dispatchMethod, &dispatchParam);
+
+ Variable* classLoader = NULL;
+ Variable* resultData = new Variable(RPC_DATA_TYPE, "resultData");
+ dispatchMethod->statements->Add(new VariableDeclaration(resultData,
+ new NewExpression(RPC_DATA_TYPE, 1, dispatchParam)));
+
+ // The callback method itself
+ MethodCall* realCall = new MethodCall(
+ new Cast(resultsInterfaceType, new FieldVariable(THIS_VALUE, "callback")),
+ results_method_name(method->name.data));
+
+ // The return value
+ {
+ Type* t = NAMES.Search(method->type.type.data);
+ Variable* rv = new Variable(t, "rv");
+ dispatchMethod->statements->Add(new VariableDeclaration(rv));
+ generate_create_from_data(t, dispatchMethod->statements, "_result", rv,
+ resultData, &classLoader);
+ realCall->arguments.push_back(rv);
+ }
+
+ VariableFactory stubArgs("arg");
+ arg = method->args;
+ while (arg != NULL) {
+ if (convert_direction(arg->direction.data) & OUT_PARAMETER) {
+ // Unmarshall the results
+ Type* t = NAMES.Search(arg->type.type.data);
+ Variable* v = stubArgs.Get(t);
+ dispatchMethod->statements->Add(new VariableDeclaration(v));
+
+ generate_create_from_data(t, dispatchMethod->statements, arg->name.data, v,
+ resultData, &classLoader);
+
+ // Add the argument to the callback
+ realCall->arguments.push_back(v);
+ }
+ arg = arg->next;
+ }
+
+ // Call the callback method
+ dispatchMethod->statements->Add(realCall);
+}
+
+static void
+generate_service_base_methods(const method_type* method, ServiceBaseClass* serviceBaseClass)
+{
+ arg_type* arg;
+ StatementBlock* block;
+ serviceBaseClass->AddMethod(method->name.data, &block);
+
+ // The abstract method that the service developers implement
+ Method* decl = new Method;
+ decl->comment = gather_comments(method->comments_token->extra);
+ decl->modifiers = PUBLIC | ABSTRACT;
+ 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;
+ }
+
+ serviceBaseClass->elements.push_back(decl);
+
+ // The call to decl (from above)
+ MethodCall* realCall = new MethodCall(THIS_VALUE, method->name.data);
+
+ // args
+ Variable* classLoader = 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;
+
+ // Unmarshall the parameter
+ block->Add(new VariableDeclaration(v));
+ if (convert_direction(arg->direction.data) & IN_PARAMETER) {
+ generate_create_from_data(t, block, arg->name.data, v,
+ serviceBaseClass->requestData, &classLoader);
+ } else {
+ if (arg->type.dimension == 0) {
+ block->Add(new Assignment(v, new NewExpression(v->type)));
+ }
+ else if (arg->type.dimension == 1) {
+ generate_new_array(v->type, block, v, serviceBaseClass->requestData);
+ }
+ else {
+ fprintf(stderr, "aidl:internal error %s:%d\n", __FILE__,
+ __LINE__);
+ }
+ }
+
+ // Add that parameter to the method call
+ realCall->arguments.push_back(v);
+
+ arg = arg->next;
+ }
+
+ // the real call
+ Variable* _result = NULL;
+ if (0 == strcmp(method->type.type.data, "void")) {
+ block->Add(realCall);
+ } else {
+ _result = new Variable(decl->returnType, "_result",
+ decl->returnTypeDimension);
+ block->Add(new VariableDeclaration(_result, realCall));
+
+ // marshall the return value
+ generate_write_to_data(decl->returnType, block,
+ new StringLiteralExpression("_result"), _result, serviceBaseClass->resultData);
+ }
+
+ // out parameters
+ int 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_data(t, block, new StringLiteralExpression(arg->name.data),
+ v, serviceBaseClass->resultData);
+ }
+
+ arg = arg->next;
+ }
+}
+
+static void
+generate_method(const method_type* method, RpcProxyClass* proxyClass,
+ ServiceBaseClass* serviceBaseClass, ResultDispatcherClass* resultsDispatcherClass,
+ int index)
+{
+ // == the callback interface for results =================================
+ // the service base class
+ Type* resultsInterfaceType = generate_results_method(method, proxyClass);
+
+ // == the method in the proxy class =====================================
+ generate_proxy_method(method, proxyClass, resultsDispatcherClass, resultsInterfaceType, index);
+
+ // == the method in the result dispatcher class =========================
+ if (resultsInterfaceType != NULL) {
+ generate_result_dispatcher_method(method, resultsDispatcherClass, resultsInterfaceType,
+ index);
+ }
+
+ // == the dispatch method in the service base class ======================
+ generate_service_base_methods(method, serviceBaseClass);
+}
+
+Class*
+generate_rpc_interface_class(const interface_type* iface)
+{
+ // the proxy class
+ InterfaceType* interfaceType = static_cast<InterfaceType*>(
+ NAMES.Find(iface->package, iface->name.data));
+ RpcProxyClass* proxy = new RpcProxyClass(iface, interfaceType);
+
+ // the service base class
+ ServiceBaseClass* base = new ServiceBaseClass(iface);
+ proxy->elements.push_back(base);
+
+ // the result dispatcher
+ ResultDispatcherClass* results = new ResultDispatcherClass();
+
+ // all the declared methods of the proxy
+ int index = 0;
+ interface_item_type* item = iface->interface_items;
+ while (item != NULL) {
+ if (item->item_type == METHOD_TYPE) {
+ generate_method((method_type*)item, proxy, base, results, index);
+ }
+ item = item->next;
+ index++;
+ }
+ base->DoneWithMethods();
+
+ // only add this if there are methods with results / out parameters
+ if (results->needed) {
+ proxy->elements.push_back(results);
+ }
+
+ return proxy;
+}
+