bool
FreezeScript::AnalyzeTransformVisitor::checkClasses(const ClassDeclPtr& from, const ClassDeclPtr& to)
{
string fromScoped = from->scoped();
string toScoped = to->scoped();
if(fromScoped == toScoped)
{
return true;
}
//
// The types don't match, so check them for compatibility. Specifically,
// look up the old type id in the new Slice and see if it has the target
// type as a base class.
//
TypeList l = to->unit()->lookupTypeNoBuiltin(from->scoped(), false);
if(!l.empty())
{
ClassDeclPtr decl = ClassDeclPtr::dynamicCast(l.front());
if(decl)
{
ClassDefPtr def = decl->definition();
if(def)
{
ClassList bases = def->allBases();
for(ClassList::iterator p = bases.begin(); p != bases.end(); ++p)
{
if((*p)->scoped() == toScoped)
{
return true;
}
}
}
}
}
return false;
}
bool
Slice::Ruby::CodeVisitor::visitClassDefStart(const ClassDefPtr& p)
{
string scoped = p->scoped();
string name = fixIdent(p->name(), IdentToUpper);
ClassList bases = p->bases();
ClassDefPtr base;
OperationList ops = p->operations();
OperationList::iterator oli;
//
// Define a mix-in module for the class.
//
_out << sp << nl << "if not defined?(" << getAbsolute(p, IdentToUpper) << "_mixin)";
_out.inc();
_out << nl << "module " << name << "_mixin";
_out.inc();
if(!p->isLocal())
{
if(!bases.empty() && !bases.front()->isInterface())
{
base = bases.front();
_out << nl << "include " << getAbsolute(bases.front(), IdentToUpper) << "_mixin";
}
else
{
_out << nl << "include ::Ice::Object_mixin";
}
//
// ice_ids
//
ClassList allBases = p->allBases();
StringList ids;
#if defined(__IBMCPP__) && defined(NDEBUG)
//
// VisualAge C++ 6.0 does not see that ClassDef is a Contained,
// when inlining is on. The code below issues a warning: better
// than an error!
//
transform(allBases.begin(), allBases.end(), back_inserter(ids),
IceUtil::constMemFun<string,ClassDef>(&Contained::scoped));
#else
transform(allBases.begin(), allBases.end(), back_inserter(ids), IceUtil::constMemFun(&Contained::scoped));
#endif
StringList other;
other.push_back(scoped);
other.push_back("::Ice::Object");
other.sort();
ids.merge(other);
ids.unique();
_out << sp << nl << "def ice_ids(current=nil)";
_out.inc();
_out << nl << "[";
for(StringList::iterator q = ids.begin(); q != ids.end(); ++q)
{
if(q != ids.begin())
{
_out << ", ";
}
_out << "'" << *q << "'";
}
_out << ']';
_out.dec();
_out << nl << "end";
//
// ice_id
//
_out << sp << nl << "def ice_id(current=nil)";
_out.inc();
_out << nl << "'" << scoped << "'";
_out.dec();
_out << nl << "end";
}
if(!ops.empty())
{
//
// Emit a comment for each operation.
//
_out << sp
<< nl << "#"
<< nl << "# Operation signatures."
<< nl << "#";
for(oli = ops.begin(); oli != ops.end(); ++oli)
{
string fixedOpName = fixIdent((*oli)->name(), IdentNormal);
/* If AMI/AMD is ever implemented...
if(!p->isLocal() && (p->hasMetaData("amd") || (*oli)->hasMetaData("amd")))
{
_out << nl << "# def " << fixedOpName << "_async(_cb";
ParamDeclList params = (*oli)->parameters();
for(ParamDeclList::iterator pli = params.begin(); pli != params.end(); ++pli)
{
if(!(*pli)->isOutParam())
{
_out << ", " << fixIdent((*pli)->name(), IdentToLower);
}
}
if(!p->isLocal())
{
_out << ", current=nil";
}
_out << ")";
}
else
*/
{
_out << nl << "# def " << fixedOpName << "(";
ParamDeclList params = (*oli)->parameters();
bool first = true;
for(ParamDeclList::iterator pli = params.begin(); pli != params.end(); ++pli)
{
if(!(*pli)->isOutParam())
{
if(first)
{
first = false;
}
else
{
_out << ", ";
}
_out << fixIdent((*pli)->name(), IdentToLower);
}
}
if(!p->isLocal())
{
if(!first)
{
_out << ", ";
}
_out << "current=nil";
}
_out << ")";
}
}
}
//
// inspect
//
_out << sp << nl << "def inspect";
_out.inc();
_out << nl << "::Ice::__stringify(self, T_" << name << ")";
_out.dec();
_out << nl << "end";
//
// read/write accessors for data members.
//
DataMemberList members = p->dataMembers();
if(!members.empty())
{
bool prot = p->hasMetaData("protected");
DataMemberList protectedMembers;
DataMemberList::iterator q;
_out << sp << nl << "attr_accessor ";
for(q = members.begin(); q != members.end(); ++q)
{
if(q != members.begin())
{
_out << ", ";
}
_out << ":" << fixIdent((*q)->name(), IdentNormal);
if(prot || (*q)->hasMetaData("protected"))
{
protectedMembers.push_back(*q);
}
}
if(!protectedMembers.empty())
{
_out << nl << "protected ";
for(q = protectedMembers.begin(); q != protectedMembers.end(); ++q)
{
if(q != protectedMembers.begin())
{
_out << ", ";
}
//
// We need to list the symbols of the reader and the writer (e.g., ":member" and ":member=").
//
_out << ":" << fixIdent((*q)->name(), IdentNormal) << ", :"
<< fixIdent((*q)->name(), IdentNormal) << '=';
}
}
}
_out.dec();
_out << nl << "end"; // End of mix-in module for class.
if(p->isInterface())
{
//
// Class.
//
_out << nl << "class " << name;
_out.inc();
_out << nl << "include " << name << "_mixin";
_out << nl;
_out << nl << "def " << name << ".ice_staticId()";
_out.inc();
_out << nl << "'" << scoped << "'";
_out.dec();
_out << nl << "end";
_out.dec();
_out << nl << "end";
}
else
{
//
// Class.
//
_out << nl << "class " << name;
if(base)
{
_out << " < " << getAbsolute(base, IdentToUpper);
}
_out.inc();
_out << nl << "include " << name << "_mixin";
_out << nl;
_out << nl << "def " << name << ".ice_staticId()";
_out.inc();
_out << nl << "'" << scoped << "'";
_out.dec();
_out << nl << "end";
//
// initialize
//
MemberInfoList allMembers;
collectClassMembers(p, allMembers, false);
if(!allMembers.empty())
{
_out << sp << nl << "def initialize(";
writeConstructorParams(allMembers);
_out << ')';
_out.inc();
MemberInfoList::iterator q;
bool inheritsMembers = false;
for(q = allMembers.begin(); q != allMembers.end(); ++q)
{
if(q->inherited)
{
inheritsMembers = true;
break;
}
}
if(inheritsMembers)
{
_out << nl << "super" << spar;
for(q = allMembers.begin(); q != allMembers.end(); ++q)
{
if(q->inherited)
{
_out << q->lowerName;
}
}
_out << epar;
}
for(q = allMembers.begin(); q != allMembers.end(); ++q)
{
if(!q->inherited)
{
_out << nl << '@' << q->fixedName << " = " << q->lowerName;
}
}
_out.dec();
_out << nl << "end";
}
_out.dec();
_out << nl << "end"; // End of class.
}
//
// Generate proxy support. This includes a mix-in module for the proxy's
// operations and a class for the proxy itself.
//
if(!p->isLocal())
{
_out << nl << "module " << name << "Prx_mixin";
_out.inc();
for(ClassList::iterator cli = bases.begin(); cli != bases.end(); ++cli)
{
_out << nl << "include " << getAbsolute(*cli, IdentToUpper) << "Prx_mixin";
}
for(oli = ops.begin(); oli != ops.end(); ++oli)
{
string fixedOpName = fixIdent((*oli)->name(), IdentNormal);
if(fixedOpName == "checkedCast" || fixedOpName == "uncheckedCast")
{
fixedOpName.insert(0, "_");
}
TypePtr ret = (*oli)->returnType();
ParamDeclList paramList = (*oli)->parameters();
string inParams;
for(ParamDeclList::const_iterator q = paramList.begin(); q != paramList.end(); ++q)
{
if(!(*q)->isOutParam())
{
if(!inParams.empty())
{
inParams.append(", ");
}
inParams.append(fixIdent((*q)->name(), IdentToLower));
}
}
_out << sp << nl << "def " << fixedOpName << "(";
if(!inParams.empty())
{
_out << inParams << ", ";
}
_out << "_ctx=nil)";
_out.inc();
_out << nl << name << "_mixin::OP_" << (*oli)->name() << ".invoke(self, [" << inParams;
_out << "], _ctx)";
_out.dec();
_out << nl << "end";
/* If AMI/AMD is ever implemented...
if(p->hasMetaData("ami") || (*oli)->hasMetaData("ami"))
{
_out << sp << nl << "def " << fixedOpName << "_async(_cb";
if(!inParams.empty())
{
_out << ", " << inParams;
}
_out << ", _ctx=nil)";
_out.inc();
_out << nl << name << "_mixin::OP_" << (*oli)->name() << ".invokeAsync(self, _cb, [" << inParams;
if(!inParams.empty() && inParams.find(',') == string::npos)
{
_out << ", ";
}
_out << "], _ctx)";
_out.dec();
_out << nl << "end";
}
*/
}
_out.dec();
_out << nl << "end"; // End of mix-in module for proxy.
_out << nl << "class " << name << "Prx < ::Ice::ObjectPrx";
_out.inc();
_out << nl << "include " << name << "Prx_mixin";
_out << sp << nl << "def " << name << "Prx.checkedCast(proxy, facetOrCtx=nil, _ctx=nil)";
_out.inc();
_out << nl << "ice_checkedCast(proxy, '" << scoped << "', facetOrCtx, _ctx)";
_out.dec();
_out << nl << "end";
_out << sp << nl << "def " << name << "Prx.uncheckedCast(proxy, facet=nil)";
_out.inc();
_out << nl << "ice_uncheckedCast(proxy, facet)";
_out.dec();
_out << nl << "end";
_out.dec();
_out << nl << "end"; // End of proxy class.
}
//
// Emit type descriptions.
//
_out << sp << nl << "if not defined?(" << getAbsolute(p, IdentToUpper, "T_") << ')';
_out.inc();
if(p->isLocal())
{
_out << nl << "T_" << name << " = ::Ice::__declareLocalClass('" << scoped << "')";
}
else
{
_out << nl << "T_" << name << " = ::Ice::__declareClass('" << scoped << "')";
_out << nl << "T_" << name << "Prx = ::Ice::__declareProxy('" << scoped << "')";
}
_out.dec();
_out << nl << "end";
_classHistory.insert(scoped); // Avoid redundant declarations.
bool isAbstract = p->isInterface() || p->allOperations().size() > 0; // Don't use isAbstract() here - see bug 3739
_out << sp << nl << "T_" << name << ".defineClass(" << name << ", " << (isAbstract ? "true" : "false") << ", ";
if(!base)
{
_out << "nil";
}
else
{
_out << getAbsolute(base, IdentToUpper, "T_");
}
_out << ", [";
//
// Interfaces
//
// TODO: Necessary?
//
{
int interfaceCount = 0;
for(ClassList::const_iterator q = bases.begin(); q != bases.end(); ++q)
{
if((*q)->isInterface())
{
if(interfaceCount > 0)
{
_out << ", ";
}
_out << getAbsolute(*q, IdentToUpper, "T_");
++interfaceCount;
}
}
}
//
// Members
//
// Data members are represented as an array:
//
// ['MemberName', MemberType]
//
// where MemberType is either a primitive type constant (T_INT, etc.) or the id of a constructed type.
//
_out << "], [";
if(members.size() > 1)
{
_out.inc();
_out << nl;
}
{
for(DataMemberList::iterator q = members.begin(); q != members.end(); ++q)
{
if(q != members.begin())
{
_out << ',' << nl;
}
_out << "['" << fixIdent((*q)->name(), IdentNormal) << "', ";
writeType((*q)->type());
_out << ']';
}
}
if(members.size() > 1)
{
_out.dec();
_out << nl;
}
_out << "])";
_out << nl << name << "_mixin::ICE_TYPE = T_" << name;
//
// Define each operation. The arguments to __defineOperation are:
//
// 'opName', Mode, [InParams], [OutParams], ReturnType, [Exceptions]
//
// where InParams and OutParams are arrays of type descriptions, and Exceptions
// is an array of exception types.
//
if(!p->isLocal())
{
_out << sp << nl << "T_" << name << "Prx.defineProxy(" << name << "Prx, T_" << name << ')';
_out << nl << name << "Prx::ICE_TYPE = T_" << name << "Prx";
if(!ops.empty())
{
_out << sp;
}
for(OperationList::iterator s = ops.begin(); s != ops.end(); ++s)
{
ParamDeclList params = (*s)->parameters();
ParamDeclList::iterator t;
int count;
_out << nl << name << "_mixin::OP_" << (*s)->name() << " = ::Ice::__defineOperation('"
<< (*s)->name() << "', ";
switch((*s)->mode())
{
case Operation::Normal:
_out << "::Ice::OperationMode::Normal";
break;
case Operation::Nonmutating:
_out << "::Ice::OperationMode::Nonmutating";
break;
case Operation::Idempotent:
_out << "::Ice::OperationMode::Idempotent";
break;
}
_out << ", ";
switch((*s)->sendMode())
{
case Operation::Normal:
_out << "::Ice::OperationMode::Normal";
break;
case Operation::Nonmutating:
_out << "::Ice::OperationMode::Nonmutating";
break;
case Operation::Idempotent:
_out << "::Ice::OperationMode::Idempotent";
break;
}
_out << ", " << ((p->hasMetaData("amd") || (*s)->hasMetaData("amd")) ? "true" : "false") << ", [";
for(t = params.begin(), count = 0; t != params.end(); ++t)
{
if(!(*t)->isOutParam())
{
if(count > 0)
{
_out << ", ";
}
writeType((*t)->type());
++count;
}
}
_out << "], [";
for(t = params.begin(), count = 0; t != params.end(); ++t)
{
if((*t)->isOutParam())
{
if(count > 0)
{
_out << ", ";
}
writeType((*t)->type());
++count;
}
}
_out << "], ";
TypePtr returnType = (*s)->returnType();
if(returnType)
{
writeType(returnType);
}
else
{
_out << "nil";
}
_out << ", [";
ExceptionList exceptions = (*s)->throws();
for(ExceptionList::iterator u = exceptions.begin(); u != exceptions.end(); ++u)
{
if(u != exceptions.begin())
{
_out << ", ";
}
_out << getAbsolute(*u, IdentToUpper, "T_");
}
_out << "])";
string deprecateMetadata;
if((*s)->findMetaData("deprecate", deprecateMetadata) || p->findMetaData("deprecate", deprecateMetadata))
{
string msg;
string::size_type pos = deprecateMetadata.find(':');
if(pos != string::npos && pos < deprecateMetadata.size() - 1)
{
msg = deprecateMetadata.substr(pos + 1);
}
_out << nl << name << "_mixin::OP_" << (*s)->name() << ".deprecate(\"" << msg << "\")";
}
}
}
_out.dec();
_out << nl << "end"; // if not defined?()
return false;
}