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Diffstat (limited to 'TAO/TAO_IDL/be/be_interface.cpp')
| -rw-r--r-- | TAO/TAO_IDL/be/be_interface.cpp | 2130 |
1 files changed, 0 insertions, 2130 deletions
diff --git a/TAO/TAO_IDL/be/be_interface.cpp b/TAO/TAO_IDL/be/be_interface.cpp deleted file mode 100644 index 0affe36dd45..00000000000 --- a/TAO/TAO_IDL/be/be_interface.cpp +++ /dev/null @@ -1,2130 +0,0 @@ -// $Id$ - -// ============================================================================ -// -// = LIBRARY -// TAO IDL -// -// = FILENAME -// be_interface.cpp -// -// = DESCRIPTION -// Extension of class AST_Interface that provides additional means for C++ -// mapping of an interface. -// -// = AUTHOR -// Copyright 1994-1995 by Sun Microsystems, Inc. -// and -// Aniruddha Gokhale -// -// ============================================================================ - -#include "idl.h" -#include "idl_extern.h" -#include "be_visitor_interface.h" -#include "be.h" - -/* - * BE_Interface - */ - -// default constructor -be_interface::be_interface (void) - : full_skel_name_ (0), - skel_count_ (0), - full_coll_name_ (0), - local_coll_name_ (0) -{ - this->size_type (be_decl::VARIABLE); // always the case -} - -// constructor used to build the AST -be_interface::be_interface (UTL_ScopedName *n, AST_Interface **ih, long nih, - UTL_StrList *p) - : AST_Interface (n, ih, nih, p), - AST_Decl (AST_Decl::NT_interface, n, p), - UTL_Scope (AST_Decl::NT_interface), - full_skel_name_ (0), - skel_count_ (0), - full_coll_name_ (0), - local_coll_name_ (0) -{ - this->size_type (be_decl::VARIABLE); // always the case -} - -be_interface::~be_interface (void) -{ - if (this->full_skel_name_ != 0) - { - delete[] this->full_skel_name_; - this->full_skel_name_ = 0; - } - if (this->full_coll_name_ != 0) - { - delete[] this->full_coll_name_; - this->full_coll_name_ = 0; - } - if (this->local_coll_name_ != 0) - { - delete[] this->local_coll_name_; - this->local_coll_name_ = 0; - } -} - -// compute stringified fully qualified collocated class name. -void -be_interface::compute_coll_name (void) -{ - if (this->full_coll_name_ != 0) - return; - - const char collocated[] = "_tao_collocated_"; - const char poa[] = "POA_"; - // Reserve enough room for the "POA_" prefix, the "_tao_collocated_" - // prefix and the local name and the (optional) "::" - int namelen = sizeof (collocated) + sizeof (poa); - - UTL_IdListActiveIterator *i; - ACE_NEW (i, UTL_IdListActiveIterator (this->name ())); - while (!i->is_done ()) - { - // reserve 2 characters for "::". - namelen += ACE_OS::strlen (i->item ()->get_string ()) + 2; - i->next (); - } - delete i; - - ACE_NEW (this->full_coll_name_, char[namelen+1]); - this->full_coll_name_[0] = 0; // null terminate the string... - - // Iterate again.... - ACE_NEW (i, UTL_IdListActiveIterator (this->name ())); - - // Only the first component get the "POA_" preffix. - int poa_added = 0; - while (!i->is_done ()) - { - const char* item = i->item ()->get_string (); - - // Increase right away, so we can test for the final component - // in the loop. - i->next (); - - // We add the POA_ preffix only if the first component is not - // the global scope... - if (ACE_OS::strcmp (item, "") != 0) - { - if (!i->is_done ()) - { - // We only add the POA_ preffix if there are more than - // two components in the name, in other words, if the - // class is inside some scope. - if (!poa_added) - { - ACE_OS::strcat (this->full_coll_name_, poa); - poa_added = 1; - } - ACE_OS::strcat (this->full_coll_name_, item); - ACE_OS::strcat (this->full_coll_name_, "::"); - } - else - { - ACE_OS::strcat (this->full_coll_name_, collocated); - ACE_OS::strcat (this->full_coll_name_, item); - } - } - } - delete i; - - // Compute the local name for the collocated class. - int localen = sizeof (collocated); - localen += ACE_OS::strlen (this->local_name ()->get_string ()); - ACE_NEW (this->local_coll_name_, char[localen]); - ACE_OS::strcpy(this->local_coll_name_, collocated); - ACE_OS::strcat(this->local_coll_name_, - this->local_name ()->get_string ()); -} - -const char* -be_interface::full_coll_name (void) const -{ - if (this->full_coll_name_ == 0) - ACE_const_cast (be_interface*, this)->compute_coll_name (); - - return this->full_coll_name_; -} - -const char* -be_interface::local_coll_name (void) const -{ - if (this->local_coll_name_ == 0) - ACE_const_cast (be_interface*, this)->compute_coll_name (); - - return this->local_coll_name_; -} - -// compute stringified fully scoped skel name -void -be_interface::compute_fullskelname (void) -{ - if (full_skel_name_) - return; - else - { - long namelen; - UTL_IdListActiveIterator *i; - long first = I_TRUE; - long second = I_FALSE; - - // in the first loop compute the total length - namelen = 4; - i = new UTL_IdListActiveIterator (this->name ()); - while (!(i->is_done ())) - { - if (!first) - namelen += 2; // for "::" - else if (second) - first = second = I_FALSE; - // print the identifier - namelen += ACE_OS::strlen (i->item ()->get_string ()); // - // additional 4 for the POA_ characters - if (first) - { - if (ACE_OS::strcmp (i->item ()->get_string (), "") != 0) - // does not start with a "" - first = I_FALSE; - else - second = I_TRUE; - } - i->next (); - } - delete i; - - this->full_skel_name_ = new char [namelen+1]; - this->full_skel_name_[0] = '\0'; - first = I_TRUE; - second = I_FALSE; - ACE_OS::strcat (this->full_skel_name_, "POA_"); - i = new UTL_IdListActiveIterator (this->name ()); - while (!(i->is_done ())) - { - if (!first) - ACE_OS::strcat (this->full_skel_name_, "::"); - else if (second) - first = second = I_FALSE; - // print the identifier - ACE_OS::strcat (this->full_skel_name_, i->item ()->get_string ()); - if (first) - { - if (ACE_OS::strcmp (i->item ()->get_string (), "") != 0) - // does not start with a "" - first = I_FALSE; - else - second = I_TRUE; - } - i->next (); - } - delete i; - } - return; -} - -// retrieve the fully scoped skeleton name -const char* -be_interface::full_skel_name (void) -{ - if (!this->full_skel_name_) - compute_fullskelname (); - - return this->full_skel_name_; -} - -// ---------------------------------------- -// CODE GENERATION METHODS -// ---------------------------------------- - -// generate the client header -int -be_interface::gen_client_header (void) -{ - if (!this->cli_hdr_gen_) // not already generated - { - long i; // loop index - TAO_NL nl; // end line - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - - cg->push (TAO_CodeGen::TAO_INTERFACE_CH); // set the current code - // generation state - - TAO_OutStream *ch = cg->client_header (); - - // == STEP 1: generate the class name and class names we inherit == - ch->indent (); // start with whatever indentation level we are at - - // generate the ifdefined macro for the _ptr type - ch->gen_ifdef_macro (this->flatname (), "_ptr"); - - // the following two are required to be under the ifdef macro to avoid - // multiple declarations - - // forward declaration - *ch << "class " << this->local_name () << ";" << nl; - // generate the _ptr declaration - *ch << "typedef " << this->local_name () << " *" << this->local_name () - << "_ptr;" << nl; - - ch->gen_endif (); - - // generate the ifdefined macro for the var type - ch->gen_ifdef_macro (this->flatname (), "_var"); - - // generate the _var declaration - if (this->gen_var_defn () == -1) - { - ACE_ERROR ((LM_ERROR, - "be_interface - error generating _var definition\n")); - return -1; - } - ch->gen_endif (); - - // generate the ifdef macro for the _out class - ch->gen_ifdef_macro (this->flatname (), "_out"); - - // generate the _out declaration - ORBOS/97-05-15 pg 16-20 spec - if (this->gen_out_defn () == -1) - { - ACE_ERROR ((LM_ERROR, - "be_interface - error generating _var definition\n")); - return -1; - } - // generate the endif macro - ch->gen_endif (); - - ch->gen_ifdef_macro (this->flatname ()); - - // now generate the class definition - ch->indent (); - *ch << "class " << idl_global->export_macro () - << " " << this->local_name (); - - if (n_inherits () > 0) // this interface inherits from other interfaces - { - *ch << ": "; - for (i = 0; i < n_inherits (); i++) - { - be_interface *inherited = be_interface::narrow_from_decl - (this->inherits ()[i]); - be_decl *scope = 0; - if (inherited->is_nested ()) - { - // inherited node is used in the scope of "this" node - scope = be_scope::narrow_from_scope (this->defined_in - ())->decl (); - } - - *ch << "public virtual "; - *ch << inherited->nested_type_name (scope); // dump the scoped name - if (i < n_inherits () - 1) // this is the case of multiple - // inheritance - { - *ch << ", "; - } - } // end of for loop - *ch << nl; - } - else - { - // we do not inherit from anybody, hence we do so from the base - // CORBA::Object class - *ch << " : public virtual CORBA::Object" << nl; - } - - // generate the body - - *ch << "{" << nl; - *ch << "public:\n"; - ch->incr_indent (); - // generate the static _duplicate, _narrow, and _nil operations - *ch << "// the static operations" << nl; - *ch << "static " << this->local_name () << "_ptr " << "_duplicate (" - << this->local_name () << "_ptr obj);" << nl; - *ch << "static " << this->local_name () << "_ptr " << "_narrow (" - << "CORBA::Object_ptr obj, CORBA::Environment &env);" << nl; - *ch << "static " << this->local_name () << "_ptr " - << "_nil (void);" << nl; - - // generate a TAO-specific _bind method similar to what Orbix and VisiBroker - // have - *ch << "static " << this->local_name () << "_ptr _bind (const char *host, " - << "CORBA::UShort port, const char *key, CORBA::Environment &env);\n\n"; - - // the _is_a method - ch->indent (); - *ch << "virtual CORBA::Boolean _is_a (const CORBA::Char *type_id, " - << "CORBA::Environment &env);\n" << be_nl - << "// = user methods\n"; - - // generate code for the interface definition by traversing thru the - // elements of its scope. We depend on the front-end to have made sure - // that only legal syntactic elements appear in our scope. - if (this->be_scope::gen_client_header () == -1) - { - ACE_ERROR ((LM_ERROR, "be_interface::gen_client_header\n")); - ACE_ERROR ((LM_ERROR, "Scope code generation failure\n")); - return -1; - } - - // generate the "protected" constructor so that users cannot instantiate - // us - *ch << be_uidt_nl - << "protected:" << be_idt_nl - << this->local_name () << " (" << be_idt << be_idt_nl - << "STUB_Object *objref = 0," << be_nl - << "TAO_ServantBase *servant = 0," << be_nl - << "CORBA::Boolean collocated = CORBA::B_FALSE" << be_uidt_nl - << ");\n" << be_uidt; - ch->decr_indent (); - - // dtor is public... - *ch << "public:" << be_idt_nl - << "virtual ~" << this->local_name () << " (void);" << be_uidt_nl; - - // private copy constructor and assignment operator. These are not - // allowed, hence they are private. - *ch << "private:\n"; - ch->incr_indent (); - *ch << this->local_name () << " (const " << this->local_name () << "&);" << nl; - *ch << "void operator= (const " << this->local_name () << "&);\n"; - ch->decr_indent (); - *ch << "};\n\n"; - ch->gen_endif (); - - - // generate the typecode decl. If we are in the outermost scope, our typecode - // decl is extern - if (this->is_nested ()) - { - // we have a scoped name - ch->indent (); - *ch << "static CORBA::TypeCode_ptr " << this->tc_name - ()->last_component () << ";\n\n"; - } - else - { - // we are in the ROOT scope - ch->indent (); - *ch << "extern " - << idl_global->export_macro () - << " CORBA::TypeCode_ptr " - << this->tc_name ()->last_component () << ";\n\n"; - } - - cg->pop (); - this->cli_hdr_gen_ = I_TRUE; - } - return 0; -} - -// Generates the client-side inline functions -int -be_interface::gen_client_inline (void) -{ - TAO_NL nl; // end line - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - - TAO_OutStream *ci = cg->client_inline (); - ci->indent (); // start from the current indentation level - - *ci << "ACE_INLINE" << nl; - *ci << this->name () << "::" - << this->local_name () << "(" << be_idt << be_idt_nl - << "STUB_Object *objref," << be_nl - << "TAO_ServantBase *servant," << be_nl - << "CORBA::Boolean collocated" << be_uidt_nl - << ")" << be_uidt_nl - << " : ACE_CORBA_1 (Object) (objref, servant, collocated)" << be_nl - << "{}" << be_nl << be_nl; - - *ci << "ACE_INLINE" << nl; - *ci << this->name () << "::~" << this->local_name () << - " (void) // destructor" << nl; - *ci << "{}\n\n"; - - // _nil method - *ci << "ACE_INLINE " << this->name () << "_ptr" << be_nl - << this->name () << "::_nil (void)" << be_nl - << "{" << be_idt_nl - << "return (" << this->name () << "_ptr)0;" << be_uidt_nl - << "}\n" << be_nl; - - // generate the ifdefined macro for the _var type - ci->gen_ifdef_macro (this->flatname (), "_var"); - - if (this->gen_var_impl () == -1) - { - ACE_ERROR ((LM_ERROR, "be_interface: _var impl code gen failed\n")); - return -1; - } - ci->gen_endif (); - - // generate the ifdefined macro for the _out type - ci->gen_ifdef_macro (this->flatname (), "_out"); - - if (this->gen_out_impl () == -1) - { - ACE_ERROR ((LM_ERROR, "be_interface: _out impl code gen failed\n")); - return -1; - } - ci->gen_endif (); - - if (this->be_scope::gen_client_inline () == -1) - { - ACE_ERROR ((LM_ERROR, "be_interface: code gen failed for scope\n")); - return -1; - } - - return 0; -} - - -// Generate the client-side stubs -int -be_interface::gen_client_stubs (void) -{ - TAO_NL nl; // end line - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - cg->push (TAO_CodeGen::TAO_INTERFACE_CS); // set the current code generation - // state - - TAO_OutStream *cs = cg->client_stubs (); - - cs->indent (); // start with whatever indentation level we are at - - // first generate the code for the static methods - // The _duplicate method - *cs << this->name () << "_ptr " << this->name () << "::_duplicate (" - << this->name () << "_ptr obj)" << nl; - *cs << "{\n"; - cs->incr_indent (); - *cs << "if (!CORBA::is_nil (obj))\n"; - cs->incr_indent (); - *cs << "obj->AddRef ();\n"; - cs->decr_indent (); - *cs << nl; - *cs << "return obj;\n"; - cs->decr_indent (); - *cs << "} // end of _duplicate" << nl << nl; - - // The _narrow method - *cs << this->name () << "_ptr " << this->name () - << "::_narrow (" << be_idt << be_idt_nl - << "CORBA::Object_ptr obj," << be_nl - << "CORBA::Environment &env" << be_uidt_nl - << ")" << be_uidt_nl - << "{" << be_idt_nl - << "if (CORBA::is_nil (obj))" << be_idt_nl - << "return " << this->name () << "::_nil ();" << be_uidt_nl - << "if (!obj->_is_a (\"" << this->repoID () << "\", env))" - << be_idt_nl - << "return " << this->name () << "::_nil ();" << be_uidt_nl; - - *cs << "if (!obj->_is_collocated () || !obj->_servant())" << be_nl - << "{" << be_idt_nl; - *cs << this->name () << "_ptr new_obj = new " << this->name () << "(obj->_get_parent ());" << be_nl - << "return new_obj;" << be_uidt_nl - << "} // end of if" << be_nl; - - *cs << "STUB_Object *stub = obj->_servant ()->_create_stub (env);" << be_nl - << "if (env.exception () != 0)" << be_idt_nl - << "return " << this->name () << "::_nil ();" << be_uidt_nl - << "void* servant = obj->_servant ()->_downcast (\"" - << this->repoID () << "\");" << be_nl - << "return new "; - - // This may be necessary to work around a GCC compiler bug! - const char *coll_name = this->full_coll_name (); - const char *skel_name = this->full_skel_name (); - - *cs << coll_name << "(" << be_idt << be_idt_nl - << "ACE_reinterpret_cast(" << skel_name - << "_ptr, servant)," << be_nl - << "stub" << be_uidt_nl - << ");" << be_uidt << be_uidt_nl - << "}" << be_nl << be_nl; - - // the _bind method - *cs << this->name () << "_ptr " << this->name () << "::_bind (" << - "const char *host, CORBA::UShort port, const char *key, " << - "CORBA::Environment &env)" << nl; - *cs << "{" << be_idt_nl - << "IIOP_Object *data = new IIOP_Object (host, port, key);" << be_nl - << "if (!data) return " << this->name () << "::_nil ();" << be_nl - << "// create the CORBA level proxy" << be_nl - << "CORBA::Object_ptr objref = new CORBA_Object (data);" << be_nl - << "if (objref == 0)" << be_idt_nl << "{" << be_idt_nl - << "data->Release ();" << be_nl - << "env.exception (new CORBA::DATA_CONVERSION (CORBA::COMPLETED_NO));" << be_nl - << "return " << this->name () << "::_nil ();" << be_uidt_nl << "}" << be_uidt_nl - << "return " << this->name () << "::_narrow (objref, env);" << be_uidt_nl - << "}" << be_nl << be_nl; - - // generate code for the elements of the interface - if (this->be_scope::gen_client_stubs () == -1) - { - ACE_ERROR ((LM_ERROR, "be_interface::gen_client_stubs\n")); - ACE_ERROR ((LM_ERROR, "Scope code generation failure\n")); - return -1; - } - - // generate the is_a method - cs->indent (); - *cs << "CORBA::Boolean " << this->name () << "::_is_a (" << - "const CORBA::Char *value, CORBA::Environment &_tao_environment)" << nl; - *cs << "{\n"; - cs->incr_indent (); - *cs << "if (\n"; - cs->incr_indent (0); - if (this->traverse_inheritance_graph (be_interface::is_a_helper, cs) == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_interface::gen_client_stubs - " - "inheritance graph failed\n"), -1); - } - cs->indent (); - *cs << "(!ACE_OS::strcmp ((char *)value, CORBA::_tc_Object->id (_tao_environment))))\n"; - *cs << " return 1; // success using local knowledge\n"; - cs->decr_indent (); - *cs << "else" << nl; - *cs << " return this->CORBA_Object::_is_a (value, _tao_environment); // remote call\n"; - cs->decr_indent (); - *cs << "}\n\n"; - - // generate the typecode information here - cs->indent (); // start from current indentation level - *cs << "static const CORBA::Long _oc_" << this->flatname () << "[] =" << - nl; - *cs << "{\n"; - cs->incr_indent (0); - if (this->gen_encapsulation () == -1) - { - ACE_ERROR ((LM_ERROR, "Error generating typecode\n\n")); - return -1; - } - cs->decr_indent (); - *cs << "};" << nl; - - *cs << "static CORBA::TypeCode _tc__tc_" << this->flatname () << - " (CORBA::tk_objref, sizeof (_oc_" << this->flatname () << - "), (char *) &_oc_" << this->flatname () << - ", CORBA::B_FALSE);" << nl; - *cs << "CORBA::TypeCode_ptr " << this->tc_name () << " = &_tc__tc_" << - this->flatname () << ";\n\n"; - - cg->pop (); - return 0; -} - -// generate server header -int be_interface::gen_server_header (void) -{ - TAO_OutStream *sh; // output stream - long i; // loop index - TAO_NL nl; // end line - static char namebuf [NAMEBUFSIZE]; // holds the class name - AST_Decl *d; // enclosing scope - - ACE_OS::memset (namebuf, '\0', NAMEBUFSIZE); - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - cg->push (TAO_CodeGen::TAO_INTERFACE_SH); // set the current code generation - // state - - sh = cg->server_header (); - - // generate the skeleton class name - - sh->indent (); // start with whatever indentation level we are at - - // we shall have a POA_ prefix only if we are at the topmost level - // generate the forward declaration - d = ScopeAsDecl (this->defined_in ()); - if (d->node_type () == AST_Decl::NT_root) - { - // we are outermost - ACE_OS::sprintf (namebuf, "POA_%s", this->local_name ()->get_string ()); - } - else - { - ACE_OS::sprintf (namebuf, "%s", this->local_name ()->get_string ()); - } - - *sh << "class " << namebuf << ";" << nl; - - // generate the _ptr declaration - *sh << "typedef " << namebuf << " *" << namebuf - << "_ptr;" << nl; - - // now generate the class definition - *sh << "class " << idl_global->export_macro () - << " " << namebuf << " : "; - if (n_inherits () > 0) // this interface inherits from other interfaces - { - be_interface *intf; - - *sh << "public virtual "; - intf = be_interface::narrow_from_decl (inherits ()[0]); - *sh << intf->relative_skel_name (this->full_skel_name ()); - for (i = 1; i < n_inherits (); i++) - { - *sh << ", public virtual "; - intf = be_interface::narrow_from_decl (inherits ()[i]); - *sh << intf->relative_skel_name (this->full_skel_name ()); - } // end of for loop - } - else - { - // We don't inherit from another user defined object, hence our - // base class is the ServantBase class. - *sh << " public virtual PortableServer::ServantBase"; - } - *sh << nl; - *sh << "{" << nl; - *sh << "protected:\n"; - sh->incr_indent (); - *sh << namebuf << " (void);" << nl; - sh->decr_indent (); - *sh << "public:\n"; - sh->incr_indent (); - *sh << "virtual ~" << namebuf << " (void);\n"; - - sh->indent (); - *sh << "virtual CORBA::Boolean _is_a (" << be_idt << be_idt_nl - << "const char* logical_type_id," << be_nl - << "CORBA::Environment &_tao_environment" << be_uidt - << ");\n" << be_uidt; - - sh->indent (); - *sh << "virtual void* _downcast (" << be_idt << be_idt_nl - << "const char* logical_type_id" << be_uidt_nl - << ");\n" << be_uidt; - - // generate code for elements in the scope (e.g., operations) - if (be_scope::gen_server_header () == -1) - { - ACE_ERROR ((LM_ERROR, "be_interface::gen_server_header\n")); - ACE_ERROR ((LM_ERROR, "Scope code generation failure\n")); - return -1; - } - - // add our _is_a method - sh->indent (); - *sh << "static void _is_a_skel (CORBA::ServerRequest &req, " << - "void *obj, void *context, CORBA::Environment &_tao_enviroment);\n\n"; - - // generate skeletons for operations of our base classes. These skeletons - // just cast the pointer to the appropriate type before invoking the call - if (this->traverse_inheritance_graph (be_interface::gen_skel_helper, sh) == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_interface::gen_server_header - " - "inheritance graph traversal failed\n"), -1); - } - - // add the dispatch method - sh->indent (); - *sh << "virtual void _dispatch (CORBA::ServerRequest &req, " << - "void *context, CORBA::Environment &env);\n\n"; - - // Print out the _this() method. - sh->indent (); - *sh << this->name () << " *_this (CORBA::Environment &_tao_environment);\n"; - - sh->indent (); - *sh << "virtual const char* _interface_repository_id" - << " (void) const;\n"; - - sh->decr_indent (); - - *sh << "};\n\n"; - -#if 0 - be_visitor_collocated_sh visitor; - this->accept (&visitor); - *sh << "\n"; -#endif - cg->pop (); - return 0; -} - -int be_interface::gen_server_skeletons (void) -{ - TAO_OutStream *ss; // output stream - TAO_NL nl; // end line - AST_Decl *d; // temporary - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - cg->push (TAO_CodeGen::TAO_INTERFACE_SS); // set the current code generation - // state - - ss = cg->server_skeletons (); - - // generate the skeleton class name - - ss->indent (); // start with whatever indentation level we are at - - if (this->gen_operation_table () == -1) - { - ACE_ERROR ((LM_ERROR, - "be_interface::gen_operation_table failure\n")); - return -1; - } - - *ss << "// skeleton constructor" << nl; - // find if we are at the top scope or inside some module - d = ScopeAsDecl (this->defined_in ()); - - // if (d && d->node_type () == AST_Decl::NT_root) - if (!this->is_nested ()) - { - // we are outermost. So the POA_ prefix is prepended to our name - *ss << this->full_skel_name () << "::POA_" << this->local_name () << - " (void)" << nl; - } - else - { - // the POA_ prefix is prepended to our outermost module name - *ss << this->full_skel_name () << "::" << this->local_name () << - " (void)" << nl; - } - - *ss << "{" << be_idt_nl - << "this->optable_ = &tao_" << this->flatname () - << "_optable;" << be_uidt_nl - << "}\n\n"; - - // generate code for elements in the scope (e.g., operations) - if (be_scope::gen_server_skeletons () == -1) - { - ACE_ERROR ((LM_ERROR, "be_interface::gen_server_skeletons\n")); - ACE_ERROR ((LM_ERROR, "Scope code generation failure\n")); - return -1; - } - - // generate code for the _is_a skeleton - ss->indent (); - *ss << "void " << this->full_skel_name () - << "::_is_a_skel (" << be_idt << be_idt_nl - << "CORBA::ServerRequest &req, " << be_nl - << "void * _tao_object_reference," << be_nl - << "void * /*context*/," << be_nl - << "CORBA::Environment &_tao_environment" << be_uidt_nl - << ")" << be_uidt_nl; - - *ss << "{\n"; - ss->incr_indent (); - *ss << "CORBA::NVList_ptr nvlist;" << nl; - *ss << "CORBA::NamedValue_ptr nv;" << nl; - *ss << "CORBA::Any temp_value (CORBA::_tc_string);" << nl; - *ss << "CORBA::Any *any;" << nl; - *ss << "CORBA::Boolean *retval = new CORBA::Boolean;" << nl; - *ss << "CORBA::String value;" << nl; - *ss << nl; - *ss << "req.orb()->create_list (0, nvlist);" << nl; - *ss << "nv = nvlist->add_value (0, temp_value, " - << "CORBA::ARG_IN, _tao_environment);" << nl; - *ss << "req.params (nvlist, _tao_environment); // parse the args" << nl; - *ss << "if (_tao_environment.exception () != 0) return;" << nl; - *ss << "value = *(CORBA::String *)nv->value ()->value ();" << nl; - - *ss << this->full_skel_name () << "_ptr impl = (" - << this->full_skel_name () << "_ptr) _tao_object_reference;" - << nl; - - *ss << "*retval = impl->_is_a (value, _tao_environment);" << be_nl - << "if (_tao_environment.exception () != 0) return;" << be_nl; - *ss << "any = new CORBA::Any (CORBA::_tc_boolean, " - << "retval, CORBA::B_TRUE);" << nl; - *ss << "req.result (any, _tao_environment);\n"; - ss->decr_indent (); - *ss << "}\n\n"; - - ss->indent (); - *ss << "CORBA::Boolean " << this->full_skel_name () - << "::_is_a (" << be_idt << be_idt_nl - << "const char* value," << be_nl - << "CORBA::Environment &_tao_environment" << be_uidt_nl - << ")" << be_uidt_nl - << "{" << be_idt_nl - << "if (\n" << be_idt; - if (this->traverse_inheritance_graph (be_interface::is_a_helper, ss) == -1) - { - return -1; - } - - ss->indent (); - *ss << "(!ACE_OS::strcmp ((char *)value, " - << "CORBA::_tc_Object->id (_tao_environment))))" - << be_idt_nl << "return CORBA::B_TRUE;" << be_uidt_nl - << "else" << be_idt_nl - << "return CORBA::B_FALSE;" << be_uidt << be_uidt << be_uidt_nl - << "}\n\n"; - - ss->indent (); - *ss << "void* " << this->full_skel_name () - << "::_downcast (" << be_idt << be_idt_nl - << "const char* logical_type_id" << be_uidt_nl - << ")" << be_uidt_nl - << "{" << be_idt_nl; - - if (this->traverse_inheritance_graph (be_interface::downcast_helper, ss) == -1) - { - return -1; - } - - *ss << "if (ACE_OS::strcmp (logical_type_id, " - << "\"IDL:omg.org/CORBA/Object:1.0\") == 0)" << be_idt_nl - << "return ACE_static_cast(PortableServer::Servant, this);" - << be_uidt_nl; - - *ss << "return 0;" << be_uidt_nl - << "}\n\n"; - - - // now the dispatch method - ss->indent (); - *ss << "void " << this->full_skel_name () << - "::_dispatch (CORBA::ServerRequest &req, " << - "void *context, CORBA::Environment &env)" << nl; - *ss << "{\n"; - ss->incr_indent (); - *ss << "TAO_Skeleton skel; // pointer to skeleton for operation" << nl; - *ss << "CORBA::String opname = req.op_name (); // retrieve operation name" << - nl; - *ss << "// find the skeleton corresponding to this opname" << nl; - *ss << "if (this->_find (opname, skel) == -1)" << nl; - *ss << "{\n"; - ss->incr_indent (); - *ss << "env.exception (new CORBA_BAD_OPERATION (CORBA::COMPLETED_NO));" << - nl; - *ss << "ACE_ERROR ((LM_ERROR, \"Bad operation <%s>\\n\", opname));\n"; - ss->decr_indent (); - *ss << "}\n"; - *ss << "else" << nl; - *ss << " skel (req, this, context, env);\n"; - ss->decr_indent (); - *ss << "}\n\n"; - - ss->indent (); - *ss << "const char* " << this->full_skel_name () - << "::_interface_repository_id (void) const" - << nl; - *ss << "{\n"; - ss->incr_indent (); - *ss << "return \"" << this->repoID () << "\";\n"; - ss->decr_indent (); - *ss << "}\n\n"; - - cg->pop (); - -#if 0 - be_visitor_collocated_ss visitor; - this->accept (&visitor); - *ss << "\n"; -#endif - *ss << this->name () << "*" << be_nl - << this->full_skel_name () - << "::_this (CORBA_Environment &_env)" << be_nl - << "{" << be_idt_nl - << "STUB_Object *stub = this->_create_stub (_env);" << be_nl - << "if (_env.exception () != 0)" << be_idt_nl - << "return 0;" << be_uidt_nl - -#if 0 - << "TAO_ORB_Core *orb_core = TAO_ORB_Core_instance ();" << be_nl - << "if (orb_core->get_current ()->in_servant_upcall ())" << be_nl - << "{" << be_idt << be_nl - << "stub = new IIOP_Object (" << be_idt << be_idt << be_nl - << "CORBA::string_copy (this->_interface_repository_id ())," << be_nl - << "IIOP::Profile (" << be_idt << be_idt << be_nl - << "TAO_ORB_Core_instance ()->orb_params ()->addr ()," << be_nl - << "orb_core->get_current ()->object_key ()" << be_uidt << be_nl - << ")" << be_uidt << be_uidt << be_nl - << ");" << be_uidt << be_uidt << be_nl - << "}" << be_nl - << "else" << be_nl - << "{" << be_idt_nl - << "POA* poa = this->default_poa (_env);" << be_nl - << "if (_env.exception () != 0)" << be_idt << be_nl - << "return 0;" << be_uidt << be_nl - << "const TAO::ObjectKey& object_key = " << be_idt << be_nl - << "poa->servant_to_id (this, _env);" << be_uidt << be_nl - << "if (_env.exception () != 0)" << be_idt << be_nl - << "return 0;" << be_uidt << be_nl - << "stub = new IIOP_Object (" << be_idt << be_idt << be_nl - << "CORBA::string_copy (this->_interface_repository_id ())," << be_nl - << "IIOP::Profile (" << be_idt << be_idt << be_nl - << "TAO_ORB_Core_instance ()->orb_params ()->addr ()," << be_nl - << "object_key" << be_uidt << be_nl - << ")" << be_uidt << be_uidt << be_nl - << ");" << be_uidt << be_uidt << be_nl - << "}\n" << be_nl -#endif /* 0 */ - - << "return new " << this->full_coll_name () - << " (this, stub);" << be_uidt << be_nl; - - *ss << "}\n\n"; - - return 0; -} - -// Generates the server-side inline -int -be_interface::gen_server_inline (void) -{ - // nothing to be done - TAO_OutStream *si; // output stream - long i; // loop index - TAO_NL nl; // end line - - // Macro to avoid "warning: unused parameter" type warning. - ACE_UNUSED_ARG (i); - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - - si = cg->server_inline (); - - // generate the skeleton class name - - si->indent (); // start with whatever indentation level we are at - - *si << "// skeleton destructor" << nl; - - *si << "ACE_INLINE" << nl; - if (!this->is_nested ()) - { - // we are outermost. So the POA_ prefix is prepended to our name - *si << this->full_skel_name () << "::~POA_" << this->local_name () << - " (void)" << nl; - } - else - { - // the POA_ prefix is prepended to our outermost module name - *si << this->full_skel_name () << "::~" << this->local_name () << - " (void)" << nl; - } - - *si << "{\n"; - *si << "}\n"; - - - // generate skeletons for operations of our base classes. These skeletons - // just cast the pointer to the appropriate type before invoking the call - if (this->traverse_inheritance_graph (be_interface::gen_skel_helper, si) == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_interface::gen_server_inline - " - "inheritance graph traversal failed\n"), -1); - } - - return 0; -} - -// generate the var definition -int -be_interface::gen_var_defn (void) -{ - TAO_OutStream *ch; // output stream - TAO_NL nl; // end line - char namebuf [NAMEBUFSIZE]; // names - - ACE_OS::memset (namebuf, '\0', NAMEBUFSIZE); - ACE_OS::sprintf (namebuf, "%s_var", this->local_name ()->get_string ()); - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - - ch = cg->client_header (); - - // generate the var definition (always in the client header). - // Depending upon the data type, there are some differences which we account - // for over here. - - ch->indent (); // start with whatever was our current indent level - *ch << "class " << idl_global->export_macro () - << " " << namebuf << nl; - *ch << "{" << nl; - *ch << "public:\n"; - ch->incr_indent (); - - // default constr - *ch << namebuf << " (void); // default constructor" << nl; - *ch << namebuf << " (" << local_name () << "_ptr);" << nl; - - // copy constructor - *ch << namebuf << " (const " << namebuf << - " &); // copy constructor" << nl; - - // destructor - *ch << "~" << namebuf << " (void); // destructor" << nl; - *ch << nl; - - // assignment operator from a pointer - *ch << namebuf << " &operator= (" << local_name () << "_ptr);" << nl; - - // assignment from _var - *ch << namebuf << " &operator= (const " << namebuf << - " &);" << nl; - - // arrow operator - *ch << local_name () << "_ptr operator-> (void) const;" << nl; - - *ch << nl; - - // other extra types (cast operators, [] operator, and others) - *ch << "operator const " << local_name () << "_ptr &() const;" << nl; - *ch << "operator " << local_name () << "_ptr &();" << nl; - - *ch << "// in, inout, out, _retn " << nl; - // the return types of in, out, inout, and _retn are based on the parameter - // passing rules and the base type - *ch << local_name () << "_ptr in (void) const;" << nl; - *ch << local_name () << "_ptr &inout (void);" << nl; - *ch << local_name () << "_ptr &out (void);" << nl; - *ch << local_name () << "_ptr _retn (void);" << nl; - - // generate an additional member function that returns the underlying pointer - *ch << local_name () << "_ptr ptr (void) const;\n"; - - *ch << "\n"; - ch->decr_indent (); - - // private - *ch << "private:\n"; - ch->incr_indent (); - *ch << local_name () << "_ptr ptr_;\n"; - - ch->decr_indent (); - *ch << "};\n\n"; - - return 0; -} - -// implementation of the _var class. All of these get generated in the inline -// file -int -be_interface::gen_var_impl (void) -{ - TAO_OutStream *ci; // output stream - TAO_NL nl; // end line - char fname [NAMEBUFSIZE]; // to hold the full and - char lname [NAMEBUFSIZE]; // local _var names - - ACE_OS::memset (fname, '\0', NAMEBUFSIZE); - ACE_OS::sprintf (fname, "%s_var", this->fullname ()); - - ACE_OS::memset (lname, '\0', NAMEBUFSIZE); - ACE_OS::sprintf (lname, "%s_var", local_name ()->get_string ()); - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - - ci = cg->client_inline (); - - // generate the var implementation in the inline file - // Depending upon the data type, there are some differences which we account - // for over here. - - ci->indent (); // start with whatever was our current indent level - - *ci << "// *************************************************************" - << nl; - *ci << "// Inline operations for class " << fname << nl; - *ci << "// *************************************************************\n\n"; - - // default constr - *ci << "ACE_INLINE" << nl; - *ci << fname << "::" << lname << - " (void) // default constructor" << nl; - *ci << " " << ": ptr_ (" << this->name () << "::_nil ())" << nl; - *ci << "{}\n\n"; - - // constr from a _ptr - ci->indent (); - *ci << "ACE_INLINE" << nl; - *ci << fname << "::" << lname << " (" << name () << "_ptr p)" << nl; - *ci << " : ptr_ (p)" << nl; - *ci << "{}\n\n"; - - // the additional ptr () member function. This member function must be - // defined before the remaining member functions including the copy - // constructor because this inline function is used elsewhere. Hence to make - // inlining of this function possible, we must define it before its use. - ci->indent (); - *ci << "ACE_INLINE " << name () << "_ptr " << nl; - *ci << fname << "::ptr (void) const" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // copy constructor - ci->indent (); - *ci << "ACE_INLINE" << nl; - *ci << fname << "::" << lname << " (const " << fname << - " &p) // copy constructor" << nl; - *ci << " : ptr_ (" << name () << "::_duplicate (p.ptr ()))" << nl; - *ci << "{}\n\n"; - - // destructor - ci->indent (); - *ci << "ACE_INLINE" << nl; - *ci << fname << "::~" << lname << " (void) // destructor" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "CORBA::release (this->ptr_);\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // assignment operator - ci->indent (); - *ci << "ACE_INLINE " << fname << " &" << nl; - *ci << fname << "::operator= (" << name () << - "_ptr p)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "CORBA::release (this->ptr_);" << nl; - *ci << "this->ptr_ = p;" << nl; - *ci << "return *this;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // assignment operator from _var - ci->indent (); - *ci << "ACE_INLINE " << fname << " &" << nl; - *ci << fname << "::operator= (const " << fname << - " &p)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "if (this != &p)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "CORBA::release (this->ptr_);" << nl; - *ci << "this->ptr_ = " << name () << "::_duplicate (p.ptr ());\n"; - ci->decr_indent (); - *ci << "}" << nl; - *ci << "return *this;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // other extra methods - cast operator () - ci->indent (); - *ci << "ACE_INLINE " << nl; - *ci << fname << "::operator const " << name () << - "_ptr &() const // cast" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - ci->indent (); - *ci << "ACE_INLINE " << nl; - *ci << fname << "::operator " << name () << "_ptr &() // cast " << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // operator-> - ci->indent (); - *ci << "ACE_INLINE " << name () << "_ptr " << nl; - *ci << fname << "::operator-> (void) const" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // in, inout, out, and _retn - ci->indent (); - *ci << "ACE_INLINE " << name () << "_ptr" << nl; - *ci << fname << "::in (void) const" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - ci->indent (); - *ci << "ACE_INLINE " << name () << "_ptr &" << nl; - *ci << fname << "::inout (void)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - ci->indent (); - *ci << "ACE_INLINE " << name () << "_ptr &" << nl; - *ci << fname << "::out (void)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "CORBA::release (this->ptr_);" << nl; - *ci << "this->ptr_ = " << this->name () << "::_nil ();" << nl; - *ci << "return this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - ci->indent (); - *ci << "ACE_INLINE " << name () << "_ptr " << nl; - *ci << fname << "::_retn (void)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "// yield ownership of managed obj reference" << nl; - *ci << this->name () << "_ptr val = this->ptr_;" << nl; - *ci << "this->ptr_ = " << this->name () << "::_nil ();" << nl; - *ci << "return val;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - return 0; -} - -// generate the _out definition -int -be_interface::gen_out_defn (void) -{ - TAO_OutStream *ch; // output stream - TAO_NL nl; // end line - char namebuf [NAMEBUFSIZE]; // to hold the _out name - - ACE_OS::memset (namebuf, '\0', NAMEBUFSIZE); - ACE_OS::sprintf (namebuf, "%s_out", local_name ()->get_string ()); - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - - ch = cg->client_header (); - - // generate the out definition (always in the client header) - ch->indent (); // start with whatever was our current indent level - - *ch << "class " << idl_global->export_macro () - << " " << namebuf << nl; - *ch << "{" << nl; - *ch << "public:\n"; - ch->incr_indent (); - - // No default constructor - - // constructor from a pointer - *ch << namebuf << " (" << local_name () << "_ptr &);" << nl; - // constructor from a _var & - *ch << namebuf << " (" << local_name () << "_var &);" << nl; - // constructor from a _out & - *ch << namebuf << " (" << namebuf << " &);" << nl; - // assignment operator from a _out & - *ch << namebuf << " &operator= (" << namebuf << " &);" << nl; - // assignment operator from a pointer &, cast operator, ptr fn, operator - // -> and any other extra operators - // only interface allows assignment from var & - *ch << namebuf << " &operator= (const " << local_name () << "_var &);" << nl; - *ch << namebuf << " &operator= (" << local_name () << "_ptr);" << nl; - // cast - *ch << "operator " << local_name () << "_ptr &();" << nl; - // ptr fn - *ch << local_name () << "_ptr &ptr (void);" << nl; - // operator -> - *ch << local_name () << "_ptr operator-> (void);" << nl; - - *ch << "\n"; - ch->decr_indent (); - *ch << "private:\n"; - ch->incr_indent (); - *ch << local_name () << "_ptr &ptr_;\n"; - - ch->decr_indent (); - *ch << "};\n\n"; - return 0; -} - -int -be_interface::gen_out_impl (void) -{ - TAO_OutStream *ci; // output stream - TAO_NL nl; // end line - char fname [NAMEBUFSIZE]; // to hold the full and - char lname [NAMEBUFSIZE]; // local _out names - - ACE_OS::memset (fname, '\0', NAMEBUFSIZE); - ACE_OS::sprintf (fname, "%s_out", this->fullname ()); - - ACE_OS::memset (lname, '\0', NAMEBUFSIZE); - ACE_OS::sprintf (lname, "%s_out", local_name ()->get_string ()); - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - - ci = cg->client_inline (); - - // generate the var implementation in the inline file - // Depending upon the data type, there are some differences which we account - // for over here. - - ci->indent (); // start with whatever was our current indent level - - *ci << "// *************************************************************" - << nl; - *ci << "// Inline operations for class " << fname << nl; - *ci << "// *************************************************************\n\n"; - - // constr from a _ptr - ci->indent (); - *ci << "ACE_INLINE" << nl; - *ci << fname << "::" << lname << " (" << name () << "_ptr &p)" << nl; - *ci << " : ptr_ (p)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "this->ptr_ = " << this->name () << "::_nil ();\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // constructor from _var & - ci->indent (); - *ci << "ACE_INLINE" << nl; - *ci << fname << "::" << lname << " (" << this->name () << - "_var &p) // constructor from _var" << nl; - *ci << " : ptr_ (p.out ())" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "CORBA::release (this->ptr_);" << nl; - *ci << "this->ptr_ = " << this->name () << "::_nil ();\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // copy constructor - ci->indent (); - *ci << "ACE_INLINE" << nl; - *ci << fname << "::" << lname << " (" << fname << - " &p) // copy constructor" << nl; - *ci << " : ptr_ (p.ptr_)" << nl; - *ci << "{}\n\n"; - - // assignment operator from _out & - ci->indent (); - *ci << "ACE_INLINE " << fname << " &" << nl; - *ci << fname << "::operator= (" << fname << - " &p)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "this->ptr_ = p.ptr_;" << nl; - *ci << "return *this;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // assignment operator from _var - ci->indent (); - *ci << "ACE_INLINE " << fname << " &" << nl; - *ci << fname << "::operator= (const " << this->name () << - "_var &p)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "this->ptr_ = " << this->name () << "::_duplicate (p.ptr ());" << nl; - *ci << "return *this;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // assignment operator from _ptr - ci->indent (); - *ci << "ACE_INLINE " << fname << " &" << nl; - *ci << fname << "::operator= (" << this->name () << - "_ptr p)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "this->ptr_ = p;" << nl; - *ci << "return *this;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // other extra methods - cast operator () - ci->indent (); - *ci << "ACE_INLINE " << nl; - *ci << fname << "::operator " << this->name () << - "_ptr &() // cast" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // ptr function - ci->indent (); - *ci << "ACE_INLINE " << this->name () << "_ptr &" << nl; - *ci << fname << "::ptr (void) // ptr" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - // operator-> - ci->indent (); - *ci << "ACE_INLINE " << this->name () << "_ptr " << nl; - *ci << fname << "::operator-> (void)" << nl; - *ci << "{\n"; - ci->incr_indent (); - *ci << "return this->ptr_;\n"; - ci->decr_indent (); - *ci << "}\n\n"; - - return 0; -} - -// generate typecode. -// Typecode for interface comprises the enumerated value followed by the -// encapsulation of the parameters - -int -be_interface::gen_typecode (void) -{ - TAO_OutStream *cs; // output stream - TAO_NL nl; // end line - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - - cs = cg->client_stubs (); - cs->indent (); // start from whatever indentation level we were at - - *cs << "CORBA::tk_objref, // typecode kind" << nl; - *cs << this->tc_size () << ", // encapsulation length\n"; - // now emit the encapsulation - return this->gen_encapsulation (); -} - -// generate encapsulation -// An encapsulation for ourselves will be necessary when we are part of some -// other IDL type and a typecode for that other type is being generated. This -// will comprise our typecode kind. IDL types with parameters will additionally -// have the encapsulation length and the entire typecode description -int -be_interface::gen_encapsulation (void) -{ - TAO_OutStream *cs; // output stream - TAO_NL nl; // end line - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - long i, arrlen; - long *arr; // an array holding string names converted to array of longs - - cs = cg->client_stubs (); - cs->indent (); // start from whatever indentation level we were at - - // XXXASG - byte order must be based on what m/c we are generating code - - // TODO - *cs << "TAO_ENCAP_BYTE_ORDER, // byte order" << nl; - // generate repoID - *cs << (ACE_OS::strlen (this->repoID ())+1) << ", "; - (void)this->tc_name2long (this->repoID (), arr, arrlen); - for (i=0; i < arrlen; i++) - { - cs->print ("0x%x, ", arr[i]); - } - *cs << " // repository ID = " << this->repoID () << nl; - // generate name - *cs << (ACE_OS::strlen (this->local_name ()->get_string ())+1) << ", "; - (void)this->tc_name2long(this->local_name ()->get_string (), arr, arrlen); - for (i=0; i < arrlen; i++) - { - cs->print ("0x%x, ", arr[i]); - } - *cs << " // name = " << this->local_name () << ",\n"; - - return 0; -} - -// compute size of typecode -long -be_interface::tc_size (void) -{ - return 4 + 4 + this->tc_encap_len (); -} - -// compute the encapsulation length -long -be_interface::tc_encap_len (void) -{ - if (this->encap_len_ == -1) // not computed yet - { - long slen; - - // Macro to avoid "warning: unused parameter" type warning. - ACE_UNUSED_ARG (slen); - - this->encap_len_ = 4; // holds the byte order flag - - this->encap_len_ += this->repoID_encap_len (); // for repoID - - // do the same thing for the local name - this->encap_len_ += this->name_encap_len (); - - } - return this->encap_len_; -} - -// helper -int -be_interface::gen_operation_table (void) -{ - TAO_OutStream *ss; // output stream - TAO_NL nl; // end line - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - - ss = cg->server_skeletons (); - - ss->indent (); // start from current indentation level - *ss << "static const TAO_operation_db_entry " << this->flatname () << - "_operations [] = {\n"; - ss->incr_indent (0); - - if (this->traverse_inheritance_graph (be_interface::gen_optable_helper, ss) == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_interface::gen_operation_table - " - "inheritance graph traversal failed\n"), -1); - } - - // generate the skeleton for the is_a method - ss->indent (); - *ss << "{\"_is_a\", &" << this->full_skel_name () << "::_is_a_skel}\n"; - this->skel_count_++; - - ss->decr_indent (); - *ss << "};" << nl << nl; - - // XXXASG - this code should be based on using different strategies for - // demux - for next release - *ss << "TAO_Dynamic_Hash_OpTable tao_" << this->flatname () << "_optable " << - "(" << this->flatname () << "_operations, " << this->skel_count_ << ", " << - 2*this->skel_count_ << ");" - << nl; - return 0; -} - -// we separate the generation of operation table entries from the -// "gen_operation_table" method. This enables us to invoke generation of -// entries for interfaces from which we inherit without any additional -// code. The parameter "derived" is the one for which the entire operation -// table is being built. -int -be_interface::gen_optable_entries (be_interface *derived) -{ - UTL_ScopeActiveIterator *si; - AST_Decl *d; - TAO_OutStream *ss; // output stream - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - - ss = cg->server_skeletons (); - - if (this->nmembers () > 0) - { - // if there are elements in this scope i.e., any operations and - // attributes defined by "this" which happens to be the same as "derived" - // or one of its ancestors. - - si = new UTL_ScopeActiveIterator (this, UTL_Scope::IK_decls); - // instantiate a scope iterator. - - while (!(si->is_done ())) - { - // get the next AST decl node - d = si->item (); - if (d->node_type () == AST_Decl::NT_op) - { - ss->indent (); // start from current indentation level - // we are an operation node - *ss << "{\"" << d->local_name () << "\", &" << derived->full_skel_name - () << "::" << d->local_name () << "_skel},\n"; - derived->skel_count_++; - } - else if (d->node_type () == AST_Decl::NT_attr) - { - AST_Attribute *attr; - - ss->indent (); // start from current indentation level - // generate only the "get" entry if we are readonly - *ss << "{\"_get_" << d->local_name () << "\", &" << - derived->full_skel_name () << "::_get_" << d->local_name () << - "_skel},\n"; - derived->skel_count_++; - - attr = AST_Attribute::narrow_from_decl (d); - if (!attr) - return -1; - - if (!attr->readonly ()) - { - // the set method - ss->indent (); // start from current indentation level - *ss << "{\"_set_" << d->local_name () << "\", &" << - derived->full_skel_name () << "::_set_" << d->local_name - () << "_skel},\n"; - derived->skel_count_++; - } - } - si->next (); - } // end of while - delete si; // free the iterator object - } - return 0; -} - -// template method that traverses the inheritance graph in a breadth-first -// style. The actual work on each element in the inheritance graph is carried -// out by the function passed as argument -int be_interface::traverse_inheritance_graph (be_interface::tao_code_emitter gen, - TAO_OutStream *os) -{ - long i; // loop index - ACE_Unbounded_Queue <be_interface*> queue; // Queue data structure needed for - // breadth-first traversal of - // inheritance tree - - // For a special case of a deeply nested inheritance graph and one specific - // way of inheritance in which a node that was already visited, but is not present in - // the queue, gets inserted at the tail. This sitation arises when a node - // multiply inherits from two or more interfaces in which the first parent is - // higher up in the tree than the second parent. In addition, if the second - // parent turns out to be a child of the first . - - ACE_Unbounded_Queue <be_interface*> del_queue; // queue of dequeued nodes to - // be searched for the above case - - // insert ourselves in the Queue - if (queue.enqueue_tail (this) == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, "(%N:%l) be_interface::gen_operation_table - " - "error generating entries\n"), -1); - } - - // do until queue is empty - while (!queue.is_empty ()) - { - be_interface *bi; // element inside the queue - - // use breadth-first strategy i.e., first generate entries for ourselves, - // followed by nodes that we immediately inherit from, and so on. In the - // process make sure that we do not generate code for the same node more - // than once. Such a case may arise due to multiple inheritance forming a - // diamond like inheritance graph. - - // dequeue the element at the head of the queue - if (queue.dequeue_head (bi)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_interface::traverse_graph - " - "dequeue_head failed\n"), -1); - } - - // insert the dequeued element in the del_queue - if (del_queue.enqueue_tail (bi) == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, "(%N:%l) be_interface::gen_operation_table - " - "error generating entries\n"), -1); - } - - // use the helper method to generate code for ourself using the - // properties of the element dequeued. For the first iteration, the - // element dequeued and "this" will be the same i.e., ourselves - if (gen (this, bi, os) == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_interface::traverse_graph - " - "helper code gen failed\n"), -1); - } - - // now check if the dequeued element has any ancestors. If yes, insert - // them inside the queue making sure that there are no duplicates - for (i=0; i < bi->n_inherits (); i++) - { - be_interface *parent; // parent of the dequeued element - - // initialize an iterator to search the queue for duplicates - ACE_Unbounded_Queue_Iterator<be_interface*> q_iter (queue); - - // retrieve the next parent from which the dequeued element inherits - parent = be_interface::narrow_from_decl (bi->inherits ()[i]); - if (!parent) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_interface::gen_server_skeletons - " - "bad inherited interface\n"), -1); - } - - // now insert this node at the tail of the queue, but make sure that - // it doesn't already exist in the queue - int found = 0; - while (!q_iter.done ()) - { - be_interface **temp; // queue element - - (void) q_iter.next (temp); - if (!ACE_OS::strcmp (parent->fullname (), (*temp)->fullname ())) - { - // we exist in this queue and cannot be inserted - found = 1; - } - if (found) - break; - (void) q_iter.advance (); - } // end of while - - // initialize an iterator to search the del_queue for duplicates - ACE_Unbounded_Queue_Iterator<be_interface*> del_q_iter (del_queue); - - while (!found && !del_q_iter.done ()) - { - be_interface **temp; // queue element - - (void) del_q_iter.next (temp); - if (!ACE_OS::strcmp (parent->fullname (), (*temp)->fullname ())) - { - // we exist in this del_queue and cannot be inserted - found = 1; - } - if (found) - break; - (void) del_q_iter.advance (); - } // end of while - - if (!found) - { - // insert the parent in the queue - if (queue.enqueue_tail (parent) == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_interface::gen_server_skeletons - " - "enqueue op failed\n"), -1); - } - } - } // end of for loop - } // end of while queue not empty - return 0; -} - -// helpers passed to the template method - -int -be_interface::gen_optable_helper (be_interface *derived, - be_interface *ancestor, - TAO_OutStream * /*os*/) -{ - // generate entries for the derived class using the properties of its - // ancestors - if (ancestor->gen_optable_entries (derived) == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_interface::gen_operation_table - " - "error generating entries for inherited" - "interfaces\n"), -1); - } - return 0; -} - -int -be_interface::is_a_helper (be_interface * /*derived*/, - be_interface *bi, - TAO_OutStream *os) -{ - // emit the comparison code - os->indent (); - *os << "(!ACE_OS::strcmp ((char *)value, \"" << bi->repoID () << - "\")) ||\n"; - - return 0; -} - -int -be_interface::downcast_helper (be_interface * /* derived */, - be_interface *base, - TAO_OutStream *os) -{ - *os << "if (ACE_OS::strcmp (logical_type_id, \"" - << base->repoID () << "\") == 0)" << be_idt_nl - << "return ACE_static_cast (" - << base->full_skel_name () << "_ptr, this);" << be_uidt_nl; - return 0; -} - -int -be_interface::gen_skel_helper (be_interface *derived, - be_interface *ancestor, - TAO_OutStream *os) -{ - UTL_ScopeActiveIterator *si; - AST_Decl *d; - TAO_NL nl; // end line - - // if derived and ancestor are same, skip it - if (derived == ancestor) - return 0; - - // else generate code that does the cast to the appropriate type - - if (ancestor->nmembers () > 0) - { - // if there are elements in ancestor scope i.e., any operations and - // attributes defined by "ancestor", become methods on the derived class - // which call the corresponding method of the base class by doing the - // proper casting - - si = new UTL_ScopeActiveIterator (ancestor, UTL_Scope::IK_decls); - // instantiate a scope iterator. - - while (!(si->is_done ())) - { - // get the next AST decl node - d = si->item (); - if (d->node_type () == AST_Decl::NT_op) - { - os->indent (); // start from current indentation level - if (os->stream_type () == TAO_OutStream::TAO_SVR_HDR) - { - // generate the static method corresponding to this method - *os << "static void " << d->local_name () << - "_skel (CORBA::ServerRequest &req, void *obj," - << " void *context, CORBA::Environment &env);\n\n"; - } - else - { // generate code in the inline file - // generate the static method corresponding to this method - *os << "ACE_INLINE void " << derived->full_skel_name () << - "::" << d->local_name () << - "_skel (CORBA::ServerRequest &req, " << - "void *obj, void *context, CORBA::Environment &env)" << nl; - *os << "{\n"; - os->incr_indent (); - *os << ancestor->full_skel_name () << "_ptr impl = (" << - derived->full_skel_name () << "_ptr) obj;" << nl; - *os << ancestor->full_skel_name () << "::" << d->local_name - () << "_skel (req, (" << ancestor->full_skel_name () << - "_ptr) impl, context, env);\n"; - os->decr_indent (); - *os << "}\n"; - } - } - else if (d->node_type () == AST_Decl::NT_attr) - { - AST_Attribute *attr; - - attr = AST_Attribute::narrow_from_decl (d); - if (!attr) - return -1; - - os->indent (); // start from current indentation level - if (os->stream_type () == TAO_OutStream::TAO_SVR_HDR) - { - // generate the static method corresponding to this method - *os << "static void _get_" << d->local_name () << - "_skel (CORBA::ServerRequest &req, void *obj," - << " void *context, CORBA::Environment &env);\n\n"; - } - else - { // generate code in the inline file - // generate the static method corresponding to this method - *os << "ACE_INLINE void " << derived->full_skel_name () << - "::_get_" << d->local_name () << - "_skel (CORBA::ServerRequest &req, " << - "void *obj, void *context, CORBA::Environment &env)" << nl; - *os << "{\n"; - os->incr_indent (); - *os << ancestor->full_skel_name () << "_ptr impl = (" << - derived->full_skel_name () << "_ptr) obj;" << nl; - *os << ancestor->full_skel_name () << "::_get_" << d->local_name - () << "_skel (req, (" << ancestor->full_skel_name () << - "_ptr) impl, context, env);\n"; - os->decr_indent (); - *os << "}\n"; - } - - if (!attr->readonly ()) - { - // the set method - os->indent (); // start from current indentation level - if (os->stream_type () == TAO_OutStream::TAO_SVR_HDR) - { - // generate the static method corresponding to this method - *os << "static void _set_" << d->local_name () << - "_skel (CORBA::ServerRequest &req, void *obj," - << " void *context, CORBA::Environment &env);\n\n"; - } - else - { // generate code in the inline file - // generate the static method corresponding to this method - *os << "ACE_INLINE void " << derived->full_skel_name () - << "::_set_" << d->local_name () << - "_skel (CORBA::ServerRequest &req, " << - "void *obj, void *context, CORBA::Environment &env)" << - nl; - *os << "{\n"; - os->incr_indent (); - *os << ancestor->full_skel_name () << "_ptr impl = (" << - derived->full_skel_name () << "_ptr) obj;" << nl; - *os << ancestor->full_skel_name () << "::_get_" << - d->local_name () << "_skel (req, (" << - ancestor->full_skel_name () << - "_ptr) impl, context, env);\n"; - os->decr_indent (); - *os << "}\n"; - } - - } - } - si->next (); - } // end of while - delete si; // free the iterator object - } - return 0; -} - -const char* -be_interface::relative_coll_name (const char *collname) -{ - return be_interface::relative_name (this->full_coll_name (), - collname); -} - -// return the relative skeleton name (needed due to NT compiler insanity) -const char * -be_interface::relative_skel_name (const char *skelname) -{ - return be_interface::relative_name (this->full_skel_name (), - skelname); -} - -const char* -be_interface::relative_name (const char *localname, - const char *othername) -{ - // some compilers do not like generating a fully scoped name for a - // type that was defined in the same enclosing scope in which it was - // defined. We have to emit just the partial name, relative to our - // "localname" - - // The tricky part here is that it is not enough to check if the - // typename we are using was defined in the current scope. But we - // need to ensure that it was not defined in any of our ancestor - // scopes as well. If that is the case, then we can generate a fully - // scoped name for that type, else we use the ACE_NESTED_CLASS macro - - // thus we need some sort of relative name to be generated - - static char macro [NAMEBUFSIZE]; - // UNUSED: be_decl *def_scope = 0; // our defining scope - char // hold the fully scoped name - def_name [NAMEBUFSIZE], - use_name [NAMEBUFSIZE]; - char // these point to the curr and next component in the scope - *def_curr = def_name, - *def_next, - *use_curr = use_name, - *use_next; - - ACE_OS::memset (macro, '\0', NAMEBUFSIZE); - ACE_OS::memset (def_name, '\0', NAMEBUFSIZE); - ACE_OS::memset (use_name, '\0', NAMEBUFSIZE); - - // traverse every component of the def_scope and use_scope beginning at the - // root and proceeding towards the leaf trying to see if the components - // match. Continue until there is a match and keep accumulating the path - // traversed. This forms the first argument to the ACE_NESTED_CLASS - // macro. Whenever there is no match, the remaining components of the - // def_scope form the second argument - - ACE_OS::strcpy (def_name, localname); - ACE_OS::strcpy (use_name, othername); - - while (def_curr && use_curr) - { - // find the first occurrence of a :: and advance the next pointers accordingly - def_next = ACE_OS::strstr (def_curr, "::"); - use_next = ACE_OS::strstr (use_curr, "::"); - - if (def_next) - *def_next = 0; - - if (use_next) - *use_next = 0; - - if (!ACE_OS::strcmp (def_curr, use_curr)) - { - // they have same prefix, append to arg1 - def_curr = (def_next ? (def_next+2) : 0); // skip the :: - use_curr = (use_next ? (use_next+2) : 0); // skip the :: - } - else - { - // we had overwritten a ':' by a '\0' for string comparison. We - // revert back because we want the rest of the relative name to be - // used - if (def_next) - *def_next = ':'; - - if (use_next) - *use_next = ':'; - - // no match. This is the end of the first argument. Get out - // of the loop as no more comparisons are necessary - break; - } - } - - // start the 2nd argument of the macro - - // copy the remaining def_name (if any left) - if (def_curr) - ACE_OS::strcat (macro, def_curr); - - return macro; -} - -int -be_interface::accept (be_visitor *visitor) -{ - return visitor->visit_interface (this); -} - -int be_interface::write_as_return (TAO_OutStream *stream, - be_type *type) -{ - *stream << type->name () << "_ptr"; - return 0; -} - -// Narrowing -IMPL_NARROW_METHODS3 (be_interface, AST_Interface, be_scope, be_type) -IMPL_NARROW_FROM_DECL (be_interface) -IMPL_NARROW_FROM_SCOPE (be_interface) - -#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION) -template class ACE_Node <be_interface*>; -template class ACE_Unbounded_Queue <be_interface*>; -template class ACE_Unbounded_Queue_Iterator <be_interface*>; -#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA) -#pragma instantiate ACE_Node<be_interface*> -#pragma instantiate ACE_Unbounded_Queue<be_interface*> -#pragma instantiate ACE_Unbounded_Queue_Iterator<be_interface*> -#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */ |