void CollectParents(InterfaceRec* rec, const SVector<InterfaceRec*>& classes, SVector<InterfaceRec*>* out)
{
SVector<SString> parents = rec->Parents();
const size_t N = parents.CountItems();
for (size_t i=0; i<N; i++) {
const size_t Nc = classes.CountItems();
for (size_t c=0; c<Nc; c++) {
if (parents[i] == classes[c]->ID() || parents[i] == classes[c]->FullInterfaceName()) {
out->AddItem(classes[c]);
}
}
}
out->AddItem(rec);
}
SValue For::Evaluate(const sptr<BShell>& parent, const sptr<ICommand>& shell, bool* outExit)
{
SVector<SValue> args;
for (size_t i = 0 ; i < m_words.CountItems(); i++)
{
bool insert_args = false;
//bout << "WORDS [" << i << "] " << m_words[i] << endl;
SValue expanded = Expand(shell, m_words.ItemAt(i), &insert_args);
if (insert_args)
{
collect_arguments(expanded.AsString(), &args);
}
else
{
//bout << "adding expanded " << expanded << endl;
args.AddItem(expanded);
}
}
*outExit = false;
SValue returned = SValue::Status(B_OK);
for (size_t i = 0 ; i < args.CountItems() && !*outExit; i++)
{
//bout << "setting m_condition to be " << args.ItemAt(i) << endl;
shell->SetProperty(SValue::String(m_condition), args.ItemAt(i));
returned = m_dolist->Evaluate(parent, shell, outExit);
}
return returned;
}
void rem_binder_cleanup_func(binder_cleanup_func func)
{
SAutolock _l(g_cleanupLock.Lock());
size_t N = g_cleanupFuncs.CountItems();
for (size_t i=0; i<N; i++) {
if (g_cleanupFuncs[i] == func) {
g_cleanupFuncs.RemoveItemsAt(i);
i--;
N--;
}
}
}
void call_binder_cleanup_funcs()
{
SVector<binder_cleanup_func> funcs;
{
SAutolock _l(g_cleanupLock.Lock());
funcs = g_cleanupFuncs;
g_cleanupFuncs.MakeEmpty();
}
size_t N = funcs.CountItems();
while (N-- > 0) {
funcs[N]();
}
}
status_t
IDLStruct::SetInterfaces(SVector<InterfaceRec> interfaces)
{
p_interfaces=interfaces;
#ifdef STRUCTDEBUG
bout << "<----- idlstruct.cpp -----> there are now "
<< p_interfaces.CountItems() << " interfaces in IDLStruct\n";
for (size_t index=0 ; index<interfaces.CountItems() ; index++ ) {
bout << "<----- idlstruct.cpp -----> "
<<p_interfaces.ItemAt(index).ID() << " added\n";
}
#endif
return B_OK;
}
SValue SimpleCommand::Evaluate(const sptr<BShell>& parent, const sptr<ICommand>& shell, bool* outExit)
{
// bout << "SimpleCommand::Evaluate: " << m_command << endl;
sptr<ICommand> command = NULL;
bool doExit = false;
*outExit = false;
if (m_command != "" && m_command != "exit" && m_command != "return"
&& m_command != "cd" && m_command != "." && m_command != "source")
{
SValue cmdName = Expand(shell, m_command);
// If the command is actually an ICommand object,
// run it in-place.
// XXX This isn't quite right -- we really want
// to spawn a copy, in which we can set our own
// environment.
command = ICommand::AsInterface(cmdName);
// Not an object, try to execute by name.
if (command == NULL) {
command = shell->Spawn(cmdName.AsString());
}
if (command == NULL)
{
parent->TextError() << "bsh: " << m_command << ": command not found" << endl;
return SValue::Status(B_NAME_NOT_FOUND);
}
}
else
command = shell;
SValue result;
if (m_prefix != NULL)
result = m_prefix->Evaluate(parent, command, &doExit);
if (m_suffix != NULL)
m_suffix->Evaluate(parent, command, &doExit);
SVector<SString> words;
if (m_suffix != NULL)
words = m_suffix->GetWords();
// set redirects
// build argument list
ICommand::ArgList args;
args.AddItem(SValue::String(m_command));
for (size_t index = 0 ; index < words.CountItems(); index++)
{
bool expand = false;
//bout << "WORDS [" << index << "] " << words[index] << endl;
SValue expanded = Expand(shell, words.ItemAt(index), &expand);
//bout << "WORDS [" << index << "] expaned to " << expanded << endl;
if (expand)
{
collect_arguments(expanded.AsString(), &args);
}
else
{
args.AddItem(expanded);
}
}
// only run this if we are a newly spawned command!
if (command != shell)
{
result = command->Run(args);
// This command may be a function, that could call "exit".
*outExit = parent->ExitRequested();
}
else if (m_command == "exit" || m_command == "return")
{
result = args.CountItems() > 1 ? args[1] : SValue::Status(B_OK);
*outExit = true;
if (m_command == "exit") {
parent->RequestExit();
}
}
else if (m_command == "cd")
{
SString path;
if (args.CountItems() > 1) {
path = args[1].AsString();
}
if (path != "") {
SString cd=shell->GetProperty(SValue::String("PWD")).AsString();
cd.PathAppend(path, true);
SNode node(parent->Context().Root());
SValue dir(node.Walk(cd, (uint32_t)0));
if (interface_cast<INode>(dir) != NULL) {
shell->SetProperty(SValue::String("PWD"), SValue::String(cd));
result = SValue::Status(B_OK);
} else {
parent->TextError() << "cd: '" << path << "' is not a directory." << endl;
result = SValue::Status(B_BAD_VALUE);
}
} else {
parent->TextError() << "cd: no directory specified." << endl;
result = SValue::Status(B_BAD_VALUE);
}
}
else if (m_command == "." || m_command == "source")
{
if (args.CountItems() > 1) {
sptr<ITextInput> input;
SString path;
find_some_input(args[1], parent, &input, &path);
if (input != NULL) {
SValue oldFile = parent->GetProperty(kBSH_SCRIPT_FILE);
SValue oldDir = parent->GetProperty(kBSH_SCRIPT_DIR);
args.RemoveItemsAt(0, 2);
args.AddItemAt(SValue::String(path), 0);
parent->SetLastResult(SValue::String(path));
parent->SetProperty(kBSH_SCRIPT_FILE, SValue::String(path));
SString parentDir;
path.PathGetParent(&parentDir);
parent->SetProperty(kBSH_SCRIPT_DIR, SValue::String(parentDir));
FunctionCommand::ArgumentHandler argHandler;
argHandler.ApplyArgs(parent, args, true);
sptr<Lexer> lexer = new Lexer(parent, input, parent->TextOutput(), false);
SValue result;
if (lexer != NULL) {
Parser parser(parent);
SValue result = parser.Parse(lexer);
} else {
parent->TextError() << m_command << ": out of memory." << endl;
result = SValue::Status(B_NO_MEMORY);
}
argHandler.RestoreArgs(parent);
parent->SetProperty(kBSH_SCRIPT_FILE, oldFile);
parent->SetProperty(kBSH_SCRIPT_DIR, oldDir);
return result;
} else {
parent->TextError() << m_command << ": '" << args[1] << "' is not a file." << endl;
result = SValue::Status(B_BAD_VALUE);
}
} else {
parent->TextError() << m_command << ": no file specified." << endl;
result = SValue::Status(B_BAD_VALUE);
}
*outExit = parent->ExitRequested();
}
return result;
}
void NamespaceGenerator::EnterNamespace(const sptr<ITextOutput> stream, const SString& newNS, const SVector<SString>& newUsing)
{
SString ns, nspart;
int32_t pos, oldpos;
size_t i;
bool diff = prevNamespace != newNS;
for (i=0; !diff && i<newUsing.CountItems(); i++) {
diff = prevUsing.IndexOf(newUsing[i]) < 0;
}
if (!diff) return;
bool haveNamespaces = false;
if (prevNamespace != newNS) {
if (prevNamespace.Length() > 0) {
stream << endl;
if (!haveNamespaces) {
haveNamespaces = true;
stream << "#if _SUPPORTS_NAMESPACE" << endl;
}
for (i=0; i<namespaceDepth; i++) stream << "} ";
namespaceDepth = 0;
stream << "// namespace " << prevNamespace << endl;
stream << endl;
}
prevNamespace = newNS;
prevUsing.MakeEmpty();
if (prevNamespace.Length() > 0) {
ns = newNS;
oldpos = 0;
while ((pos = ns.FindFirst("::", oldpos)) > 0) {
nspart.SetTo(ns.String()+oldpos, pos-oldpos);
if (!haveNamespaces) {
haveNamespaces = true;
stream << "#if _SUPPORTS_NAMESPACE" << endl;
}
stream << "namespace " << nspart << " {" << endl;
oldpos = pos + 2;
namespaceDepth++;
}
namespaceDepth++;
nspart.SetTo(ns.String()+oldpos);
if (!haveNamespaces) {
haveNamespaces = true;
stream << "#if _SUPPORTS_NAMESPACE" << endl;
}
stream << "namespace " << nspart << " {" << endl;
} else {
namespaceDepth = 0;
}
}
if (newNS != "palmos::support" && prevUsing.IndexOf(SString("palmos::support")) < 0) {
if (!haveNamespaces) {
stream << "#if _SUPPORTS_NAMESPACE" << endl;
}
haveNamespaces = true;
stream << "using namespace palmos::support;" << endl;
prevUsing.AddItem(SString("palmos::support"));
}
for (i=0; i<newUsing.CountItems(); i++) {
const SString& n = newUsing[i];
if (newNS != n && prevUsing.IndexOf(n) < 0) {
if (!haveNamespaces) {
stream << "#if _SUPPORTS_NAMESPACE" << endl;
}
haveNamespaces = true;
stream << "using namespace " << n << ";" << endl;
prevUsing.AddItem(n);
}
}
if (haveNamespaces) {
stream << "#endif /* _SUPPORTS_NAMESPACE */" << endl;
stream << endl;
}
}
/*
While it's not possible to actually do it, it's possible to
make manifest files that describe a circular dependency of
one VM on another, and it's not okay to crash if some mean
person does this. So keep a list of vms that we're trying
instantiate, and fail if it's cyclical.
*/
sptr<IBinder>
BProcess::DoInstantiate( const SContext& context,
const SValue &componentInfo,
const SString &component,
SVector<SString> &vmIDs,
const SValue &args,
status_t* outError)
{
sptr<IBinder> b;
SValue v;
bool found;
size_t i, count;
//#if BUILD_TYPE == BUILD_TYPE_DEBUG
// SContext default_context = get_default_context();
// if (default_context.AsBinder() != context.AsBinder()) {
// // for now, all the shell commands from the bootscript are instantiated
// // in the system context.
// // Weed those out (and don't do the assert)
// SValue shellInterface("org.openbinder.tools.ICommand");
// if (shellInterface != componentInfo["interface"]) {
// bout << "WHOA! Instantiating component in System context! (Is this okay?)" << endl;
// bout << "... componentInfo = " << componentInfo << endl;
// }
// }
// // DbgOnlyFatalErrorIf(default_context.AsBinder() != context.AsBinder(), "Why are we instantiating in System context?");
//
//#endif
SValue virtualMachineNameValue = componentInfo["vm"];
// If there is no VM specified, then it's an executable file
if (!virtualMachineNameValue.IsDefined()) {
const SValue file = componentInfo["file"];
if (!file.IsDefined()) {
if (outError) *outError = B_ENTRY_NOT_FOUND;
DbgOnlyFatalError("No file found for component");
return NULL;
}
// Load the image for this package.
sptr<ComponentImage> image = get_shared_object(file, componentInfo);
// And now, if we found the image, instantiate the requested component,
// using the component name, not the full ID.
if (image != NULL) {
#if BUILD_TYPE == BUILD_TYPE_DEBUG
const int32_t origCount = image->StrongCount();
#endif
sptr<IBinder> obj = image->InstantiateComponent(componentInfo["local"].AsString(), context, args);
#if BUILD_TYPE == BUILD_TYPE_DEBUG
const int32_t newCount = image->StrongCount();
if (obj != NULL && newCount <= origCount) {
bout << endl
<< "***********************************************" << endl
<< "******************* WARNING *******************" << endl
<< "***********************************************" << endl
<< "A component MAY not be using SPackageSptr!!!" << endl
<< "Original image reference count was " << origCount
<< ", the new count is " << newCount << endl
<< "The component info is: " << componentInfo << endl
<< endl;
}
#endif
if (outError) *outError = B_OK;
return obj;
}
if (outError) *outError = B_ERROR;
return NULL;
}
// avoid end-of-non-void-function-not-reached warning
/* else */
#if !LIBBE_BOOTSTRAP
{
SString virtualMachineComponent = virtualMachineNameValue.AsString();
SValue vmComponentInfo;
SString vmComponentName;
context.LookupComponent(virtualMachineComponent, &vmComponentInfo);
// If we found a cycle, fail
count = vmIDs.CountItems();
for (i=0; count; i++) {
if (vmIDs[i] == virtualMachineComponent) {
if (outError) *outError = B_ERROR;
return NULL;
}
}
vmIDs.AddItem(virtualMachineComponent);
// Get a running vm!
m_imageLock.LockQuick();
sptr<IVirtualMachine> vm = m_imageData->vms.ValueFor(virtualMachineComponent, &found);
if (!found) {
// Oooh. Recursion. Instantiate the virtual machine.
// There's no good way of passing args through to the vm also, so pass B_UNDEFINED_VALUE
b = this->DoInstantiate(context, vmComponentInfo, vmComponentName, vmIDs, B_UNDEFINED_VALUE, outError);
vm = IVirtualMachine::AsInterface(b);
ErrFatalErrorIf(vm == NULL, "could not instantiate VM");
m_imageData->vms.AddItem(virtualMachineComponent, vm);
vm->Init();
}
m_imageLock.Unlock();
// Have the vm instantiate the object
return vm->InstantiateComponent(componentInfo, component, args, outError);
}
#endif
}
