diff options
Diffstat (limited to 'trunk/TAO/TAO_IDL/be/be_visitor_operation/ami_cs.cpp')
| -rw-r--r-- | trunk/TAO/TAO_IDL/be/be_visitor_operation/ami_cs.cpp | 326 |
1 files changed, 326 insertions, 0 deletions
diff --git a/trunk/TAO/TAO_IDL/be/be_visitor_operation/ami_cs.cpp b/trunk/TAO/TAO_IDL/be/be_visitor_operation/ami_cs.cpp new file mode 100644 index 00000000000..5040b2d6585 --- /dev/null +++ b/trunk/TAO/TAO_IDL/be/be_visitor_operation/ami_cs.cpp @@ -0,0 +1,326 @@ +// +// $Id$ + +// ============================================================================ +// +// = LIBRARY +// TAO IDL +// +// = FILENAME +// ami_cs.cpp +// +// = DESCRIPTION +// Visitor generating code for Operation in the stubs file. +// +// = AUTHOR +// Aniruddha Gokhale, +// Alexander Babu Arulanthu <alex@cs.wustl.edu> +// Michael Kircher +// +// ============================================================================ + +ACE_RCSID (be_visitor_operation, + operation_ami_cs, + "$Id$") + +// ************************************************************ +// Operation visitor for client stubs +// ************************************************************ + +be_visitor_operation_ami_cs::be_visitor_operation_ami_cs ( + be_visitor_context *ctx + ) + : be_visitor_operation (ctx) +{ +} + +be_visitor_operation_ami_cs::~be_visitor_operation_ami_cs (void) +{ +} + +// Processing to be done after every element in the scope is +// processed. +int +be_visitor_operation_ami_cs::post_process (be_decl *bd) +{ + // all we do here is to insert a comma and a newline + TAO_OutStream *os = this->ctx_->stream (); + + if (!this->last_node (bd)) + { + *os << ",\n"; + } + + return 0; +} + +int +be_visitor_operation_ami_cs::visit_operation (be_operation *node) +{ + // No sendc method for oneway operations. + if (node->flags () == AST_Operation::OP_oneway) + { + return 0; + } + + be_visitor_context ctx; + TAO_OutStream *os = this->ctx_->stream (); + this->ctx_->node (node); + + *os << be_nl << be_nl << "// TAO_IDL - Generated from" << be_nl + << "// " << __FILE__ << ":" << __LINE__; + + // Generate the return type mapping. Return type is simply void. + *os << be_nl << be_nl + << "void" << be_nl; + + // Generate the operation name. + + // Grab the scope name. + be_decl *parent = + be_scope::narrow_from_scope (node->defined_in ())->decl (); + + if (parent == 0) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_operation_ami_cs::" + "visit_operation - " + "scope name is nil\n"), + -1); + } + + // Generate the scope::operation name. + *os << parent->full_name () + << "::sendc_"; + + // Check if we are an attribute node in disguise. + if (this->ctx_->attribute ()) + { + // Now check if we are a "get" or "set" operation. + if (node->nmembers () == 1) + { + *os << "set_"; + } + else + { + *os << "get_"; + } + } + + *os << node->local_name ()->get_string (); + + // Generate the argument list with the appropriate mapping (same as + // in the header file) + ctx = *this->ctx_; + be_visitor_operation_arglist oa_visitor (&ctx); + + // Get the AMI version from the strategy class. + be_operation *ami_op = node->arguments (); + + if (ami_op->accept (&oa_visitor) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_operation_ami_cs::" + "visit_operation - " + "codegen for argument list failed\n"), + -1); + } + + // Generate the actual code for the stub. However, if any of the argument + // types is "native", we flag a MARSHAL exception. + // last argument + *os << be_nl << "{" << be_idt; + + if (node->has_native ()) // native exists => no stub + { + be_predefined_type bpt (AST_PredefinedType::PT_void, + 0); + + int const status = this->gen_raise_exception ("::CORBA::MARSHAL", + ""); + + if (status == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_operation_ami_cs::" + "visit_operation - " + "codegen for has-native exception failed\n"), + -1); + } + } + else + { + *os << be_nl + << "if (!this->is_evaluated ())" << be_idt_nl + << "{" << be_idt_nl + << "::CORBA::Object::tao_object_initialize (this);" + << be_uidt_nl + << "}" << be_uidt_nl << be_nl; + + *os << "if (this->the_TAO_" << parent->local_name () + << "_Proxy_Broker_ == 0)" << be_idt_nl + << "{" << be_idt_nl + << parent->flat_name () << "_setup_collocation (" + << ");" << be_uidt_nl + << "}" << be_uidt; + } + + // Includes the reply handler, but we have to add 1 for the retval anyway. + int nargs = ami_op->argument_count (); + + if (nargs == 1) + { + // No arguments other than the reply handler, and the return + // type is void. No need to generate argument list. + + *os << be_nl << be_nl + << "TAO::Argument ** _the_tao_operation_signature = 0;"; + nargs = 0; // Don't count the reply handler. + } + else + { + *os << be_nl<< be_nl + << "TAO::Arg_Traits<void>::" + << (node->flags () == AST_Operation::OP_oneway && + be_global->use_clonable_in_args() ? "clonable_" : "") + << "ret_val _tao_retval;"; + + // Declare the argument helper classes. + this->gen_stub_body_arglist (ami_op, os, true); + + // Assemble the arg helper class pointer array. + *os << be_nl << be_nl + << "TAO::Argument *_the_tao_operation_signature[] =" << be_idt_nl + << "{" << be_idt_nl + << "&_tao_retval"; + + AST_Argument *arg = 0; + UTL_ScopeActiveIterator arg_list_iter (ami_op, + UTL_Scope::IK_decls); + + // For a sendc_* operation, skip the reply handler (first argument). + arg_list_iter.next (); + + for (; ! arg_list_iter.is_done (); arg_list_iter.next ()) + { + arg = AST_Argument::narrow_from_decl (arg_list_iter.item ()); + + *os << "," << be_nl + << "&_tao_" << arg->local_name (); + } + + *os << be_uidt_nl + << "};" << be_uidt; + } + + be_interface *intf = be_interface::narrow_from_decl (parent); + + const char *lname = node->local_name ()->get_string (); + size_t opname_len = ACE_OS::strlen (lname); + ACE_CString opname; + + if (this->ctx_->attribute ()) + { + // If we are a attribute node, add 5 for '_get_' or '_set_'. + opname_len += 5; + + // Now check if we are a "get" or "set" operation. + if (node->nmembers () == 1) + { + opname = "_set_"; + } + else + { + opname = "_get_"; + } + } + + opname += lname; + + *os << be_nl << be_nl + << "TAO::Asynch_Invocation_Adapter _tao_call (" << be_idt << be_idt_nl + << "this," << be_nl + << "_the_tao_operation_signature," << be_nl + << nargs << "," << be_nl + << "\"" << opname.fast_rep () << "\"," << be_nl + << opname_len << "," << be_nl + << "this->the" << intf->base_proxy_broker_name () << "_" + << be_uidt_nl + << ");" << be_uidt; + + *os << be_nl << be_nl + << "_tao_call.invoke (" << be_idt << be_idt_nl + << "ami_handler," << be_nl + << "&"; + + if (parent->is_nested ()) + { + be_decl *gparent = + be_scope::narrow_from_scope (parent->defined_in ())->decl (); + + *os << gparent->name () << "::"; + } + + *os << "AMI_" << parent->local_name () << "Handler::" + << opname.fast_rep () + (this->ctx_->attribute () != 0) + << "_reply_stub" << be_uidt_nl + << ");" << be_uidt; + + *os << be_uidt_nl + << "}"; + + return 0; +} + +// This method is used to generate the ParamData table entry. +int +be_visitor_operation_ami_cs::visit_argument (be_argument *node) +{ + TAO_OutStream *os = this->ctx_->stream (); + be_type *bt; // argument type + + // Retrieve the type for this argument. + bt = be_type::narrow_from_decl (node->field_type ()); + + if (!bt) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_operation_ami_cs::" + "visit_argument - " + "Bad argument type\n"), + -1); + } + + os->indent (); + *os << "{" << bt->tc_name () << ", "; + + switch (node->direction ()) + { + case AST_Argument::dir_IN: + *os << "PARAM_IN, "; + break; + case AST_Argument::dir_INOUT: + *os << "PARAM_INOUT, "; + break; + case AST_Argument::dir_OUT: + *os << "PARAM_OUT, "; + break; + } + + *os << "0}"; + + return 0; +} + +int +be_visitor_operation_ami_cs::gen_pre_stub_info (be_operation *node, + be_type *bt) +{ + // Nothing to be done here, we do not through any exceptions, + // besides system exceptions, so we do not need an user exception table. + ACE_UNUSED_ARG (node); + ACE_UNUSED_ARG (bt); + + return 0; +} + |