diff options
Diffstat (limited to 'trunk/TAO/TAO_IDL/be/be_visitor_component/component_ch.cpp')
| -rw-r--r-- | trunk/TAO/TAO_IDL/be/be_visitor_component/component_ch.cpp | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/trunk/TAO/TAO_IDL/be/be_visitor_component/component_ch.cpp b/trunk/TAO/TAO_IDL/be/be_visitor_component/component_ch.cpp new file mode 100644 index 00000000000..a6a4348bf1d --- /dev/null +++ b/trunk/TAO/TAO_IDL/be/be_visitor_component/component_ch.cpp @@ -0,0 +1,275 @@ +// +// $Id$ +// + +// ============================================================================ +// +// = LIBRARY +// TAO IDL +// +// = FILENAME +// component_ch.cpp +// +// = DESCRIPTION +// Visitor generating code for Components in the client header. +// +// = AUTHOR +// Jeff Parsons +// +// ============================================================================ + +ACE_RCSID (be_visitor_component, + component_ch, + "$Id$") + +// ****************************************************** +// Component visitor for client header +// ****************************************************** + +be_visitor_component_ch::be_visitor_component_ch (be_visitor_context *ctx) + : be_visitor_component (ctx) +{ +} + +be_visitor_component_ch::~be_visitor_component_ch (void) +{ +} + +int +be_visitor_component_ch::visit_component (be_component *node) +{ + if (node->cli_hdr_gen () || node->imported ()) + { + return 0; + } + + // This will be a no-op if it has already been done by a forward + // declaration. + node->gen_var_out_seq_decls (); + + TAO_OutStream *os = this->ctx_->stream (); + + *os << be_nl << be_nl << "// TAO_IDL - Generated from" << be_nl + << "// " << __FILE__ << ":" << __LINE__; + + // Now the interface definition itself. + os->gen_ifdef_macro (node->flat_name ()); + + if (!node->is_local () && !node->is_abstract ()) + { + // Forward class declarations. + *os << be_nl << be_nl + << "class " << node->base_proxy_impl_name () << ";" << be_nl + << "class " << node->remote_proxy_impl_name () << ";" << be_nl + << "class " << node->base_proxy_broker_name () << ";" << be_nl + << "class " << node->remote_proxy_broker_name () << ";" + << be_nl << be_nl; + } + + // Now generate the class definition. + *os << "class " << be_global->stub_export_macro () + << " " << node->local_name () << be_idt_nl + << ": public virtual ::" ; + + AST_Component *parent = node->base_component (); + + if (parent != 0) + { + *os << parent->name (); + } + else + { + *os << "Components::CCMObject"; + } + + long nsupports = node->n_inherits (); + + if (nsupports > 0) + { + *os << be_idt; + + for (long i = 0; i < nsupports; ++i) + { + *os << ", " << be_nl + << "public virtual ::" << node->supports()[i]->name (); + } + + *os << be_uidt; + } + + *os << be_uidt_nl + << "{" << be_nl + << "public:" << be_idt_nl + + << "friend class TAO::Narrow_Utils<" + << node->local_name () << ">;" << be_nl + + // Generate the _ptr_type and _var_type typedefs. + << "typedef " << node->local_name () << "_ptr _ptr_type;" + << be_nl + << "typedef " << node->local_name () << "_var _var_type;" + << be_nl + << "typedef " << node->local_name () << "_out _out_type;" + << be_nl; + + // Generate the static _duplicate, _narrow, and _nil operations. + *os << "// The static operations." << be_nl + << "static " << node->local_name () << "_ptr " << "_duplicate (" + << node->local_name () << "_ptr obj);" << be_nl << be_nl + << "static " << node->local_name () << "_ptr " + << "_narrow (::CORBA::Object_ptr obj);" << be_nl; + + // This method is defined in the header file to workaround old + // g++ problems. + *os << "static " << node->local_name () << "_ptr _nil (void)" + << be_idt_nl << "{" << be_idt_nl + << "return static_cast<" << node->local_name () + << "_ptr> (0);" << be_uidt_nl + << "}" << be_uidt_nl << be_nl; + + if (be_global->any_support ()) + { + *os << "static void _tao_any_destructor (void *);"; + } + + // 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->visit_scope (node) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_component_ch::" + "visit_component - " + "codegen for scope failed\n"), + -1); + } + + *os << be_nl << be_nl << "// TAO_IDL - Generated from" << be_nl + << "// " << __FILE__ << ":" << __LINE__; + + if (! node->is_abstract ()) + { + node->analyze_parentage (); + } + + // If we inherit from both CORBA::Object and CORBA::AbstractBase, + // we have to override _add_ref() to avoid ambiguity. A comopnent + // can have mixed parentage if it supports an abstract or mixed- + // parentage interface. + if (node->has_mixed_parentage ()) + { + *os << be_nl << be_nl + << "virtual void _add_ref (void);"; + } + + *os << be_nl << be_nl + << "virtual ::CORBA::Boolean _is_a (const char *type_id);"; + + // The _interface_repository_id method. + *os << be_nl << be_nl + << "virtual const char* _interface_repository_id (void) const;"; + + // The virtual marshal method, to prevent marshal of local iterfaces. + *os << be_nl << "virtual ::CORBA::Boolean marshal (TAO_OutputCDR &cdr);"; + + // Add the Proxy Broker member variable. + *os << be_uidt_nl << be_nl + << "private:" << be_idt_nl + << "TAO::Collocation_Proxy_Broker *" + << "the" << node->base_proxy_broker_name () + << "_;"; + + *os << be_uidt_nl << be_nl + << "protected:" << be_idt; + + // Generate the "protected" constructor so that users cannot + // instantiate us. + + *os << be_nl + << node->local_name () << " (void);"; + + *os << be_nl << be_nl + << "// These methods travese the inheritance tree and set the" + << be_nl + << "// parents piece of the given class in the right mode." + << be_nl + << "virtual void " << node->flat_name () + << "_setup_collocation (void);"; + + *os << be_nl << be_nl + << node->local_name () << " (" << be_idt << be_idt_nl + << "IOP::IOR *ior," << be_nl + << "TAO_ORB_Core *orb_core = 0" << be_uidt_nl + << ");" << be_uidt; + + *os << be_nl << be_nl + << node->local_name () + << " (" << be_idt << be_idt_nl << "TAO_Stub *objref, " << be_nl + << "::CORBA::Boolean _tao_collocated = false," << be_nl + << "TAO_Abstract_ServantBase *servant = 0," << be_nl + << "TAO_ORB_Core *oc = 0" << be_uidt_nl + << ");" << be_uidt; + + // Friends declarations. + *os << be_nl << be_nl + << "friend class " << node->remote_proxy_impl_name () << ";" + << be_nl + << "friend class " << node->direct_proxy_impl_name () << ";"; + + // Protected destructor. + *os << be_nl << be_nl + << "virtual ~" << node->local_name () << " (void);"; + + // Private copy constructor and assignment operator. These are not + // allowed, hence they are private. + *os << be_uidt_nl << be_nl + << "private:" << be_idt_nl; + *os << node->local_name () << " (const " + << node->local_name () << " &);" + << be_nl + << "void operator= (const " << node->local_name () << " &);"; + + *os << be_uidt_nl + << "};" << be_nl << be_nl; + + // List that generates proxy broker factory function pointer. + be_global->non_local_interfaces.enqueue_tail (node); + + be_visitor_context ctx (*this->ctx_); + if (be_global->gen_smart_proxies ()) + { + *os << be_nl << be_nl; + // Smart Proxy related classes. + ctx.state (TAO_CodeGen::TAO_INTERFACE_SMART_PROXY_CH); + be_visitor_interface_smart_proxy_ch sp_visitor (&ctx); + + if (node->accept (&sp_visitor) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "be_visitor_component_ch::" + "visit_component - " + "codegen for smart proxy classes failed\n"), + -1); + } + } + + os->gen_endif (); + + if (be_global->tc_support ()) + { + be_visitor_typecode_decl td_visitor (&ctx); + + if (node->accept (&td_visitor) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_component_ch::" + "visit_component - " + "TypeCode declaration failed\n"), + -1); + } + } + + node->cli_hdr_gen (true); + return 0; +} |