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//=============================================================================
/**
* @file home_exs.cpp
*
* Visitor generating code for homes in the exec impl source.
*
* @author Jeff Parsons
*/
//=============================================================================
#include "home.h"
be_visitor_home_exs::be_visitor_home_exs (be_visitor_context *ctx)
: be_visitor_scope (ctx),
node_ (nullptr),
comp_ (nullptr),
os_ (*ctx->stream ()),
comment_start_border_ ("/**"),
comment_end_border_ (" */"),
your_code_here_ ("/* Your code here. */"),
export_macro_ (be_global->exec_export_macro ())
{
}
be_visitor_home_exs::~be_visitor_home_exs ()
{
}
int
be_visitor_home_exs::visit_home (be_home *node)
{
if (node->imported ())
{
return 0;
}
node_ = node;
comp_ = node_->managed_component ();
/// Use 'CIAO_' + component's flat name.
os_ << be_nl_2
<< "namespace CIAO_" << comp_->flat_name () << "_Impl" << be_nl
<< "{" << be_idt;
if (this->gen_exec_class () == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("be_visitor_home_exs::")
ACE_TEXT ("visit_home - ")
ACE_TEXT ("gen_servant_class() failed\n")),
-1);
}
this->gen_entrypoint ();
os_ << be_uidt_nl
<< "}";
return 0;
}
int
be_visitor_home_exs::visit_operation (be_operation *node)
{
be_visitor_operation_exs v (this->ctx_);
v.scope (node_);
return v.visit_operation (node);
}
int
be_visitor_home_exs::visit_attribute (be_attribute *node)
{
be_visitor_attribute v (this->ctx_);
v.op_scope (node_);
return v.visit_attribute (node);
}
int
be_visitor_home_exs::visit_factory (be_factory *node)
{
AST_Decl *scope = ScopeAsDecl (comp_->defined_in ());
ACE_CString sname_str (scope->full_name ());
const char *sname = sname_str.c_str ();
const char *lname = comp_->local_name ()->get_string ();
const char *global = (sname_str == "" ? "" : "::");
os_ << be_nl_2
<< "::Components::EnterpriseComponent_ptr" << be_nl
<< node_->original_local_name ()->get_string ()
<< "_exec_i::" << node->local_name ();
be_visitor_operation_arglist visitor (this->ctx_);
visitor.unused (true);
if (visitor.visit_factory (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("be_visitor_home_exs::")
ACE_TEXT ("visit_factory - ")
ACE_TEXT ("codegen for arglist failed\n")),
-1);
}
os_ << be_nl
<< "{" << be_idt_nl
<< your_code_here_ << be_nl
<< "return " << global << sname << "::CCM_"
<< lname << "::_nil ();" << be_uidt_nl
<< "}";
return 0;
}
int
be_visitor_home_exs::gen_exec_class ()
{
// No '_cxx_' prefix.
const char *lname =
node_->original_local_name ()->get_string ();
os_ << be_nl
<< comment_start_border_ << be_nl
<< " * Home Executor Implementation Class: "
<< lname << "_exec_i" << be_nl
<< comment_end_border_;
os_ << be_nl_2
<< lname << "_exec_i::" << lname << "_exec_i ()" << be_nl
<< "{" << be_nl
<< "}";
os_ << be_nl_2
<< lname << "_exec_i::~" << lname << "_exec_i ()" << be_nl
<< "{" << be_nl
<< "}";
be_home *h = node_;
while (h != nullptr)
{
if (this->visit_scope (h) != 0)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("be_visitor_home_exs::")
ACE_TEXT ("gen_exec_class - ")
ACE_TEXT ("codegen for scope ")
ACE_TEXT ("failed\n")),
-1);
}
for (long i = 0; i < h->n_inherits (); ++i)
{
// A closure of all the supported interfaces is stored
// in the base class 'pd_inherits_flat' member.
be_interface *bi =
dynamic_cast<be_interface*> (h->inherits ()[i]);
bi->get_insert_queue ().reset ();
bi->get_del_queue ().reset ();
bi->get_insert_queue ().enqueue_tail (bi);
Home_Exec_Op_Attr_Generator op_attr_gen (this);
int status =
bi->traverse_inheritance_graph (op_attr_gen,
&os_,
false,
false);
if (status == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("be_visitor_home_exs::")
ACE_TEXT ("gen_exec_class - ")
ACE_TEXT ("traverse_inheritance_graph() ")
ACE_TEXT ("failed for %s\n"),
bi->full_name ()),
-1);
}
}
h = dynamic_cast<be_home*> (h->base_home ());
}
os_ << be_nl_2
<< "// Implicit operations.";
os_ << be_nl_2
<< "::Components::EnterpriseComponent_ptr" << be_nl
<< lname << "_exec_i::create ()" << be_nl
<< "{" << be_idt_nl
<< "::Components::EnterpriseComponent_ptr retval ="
<< be_idt_nl
<< "::Components::EnterpriseComponent::_nil ();"
<< be_uidt_nl << be_nl
<< "ACE_NEW_THROW_EX (" << be_idt_nl
<< "retval," << be_nl
<< comp_->original_local_name ()->get_string ()
<< "_exec_i," << be_nl
<< "::CORBA::NO_MEMORY ());"
<< be_uidt_nl << be_nl
<< "return retval;" << be_uidt_nl
<< "}";
return 0;
}
void
be_visitor_home_exs::gen_entrypoint ()
{
os_ << be_nl_2
<< "extern \"C\" " << export_macro_.c_str ()
<< " ::Components::HomeExecutorBase_ptr" << be_nl
<< "create_" << node_->flat_name ()
<< "_Impl ()" << be_nl
<< "{" << be_idt_nl
<< "::Components::HomeExecutorBase_ptr retval =" << be_idt_nl
<< "::Components::HomeExecutorBase::_nil ();"
<< be_uidt_nl << be_nl
<< "ACE_NEW_NORETURN (" << be_idt_nl
<< "retval," << be_nl
<< node_->original_local_name ()->get_string ()
<< "_exec_i);" << be_uidt_nl << be_nl
<< "return retval;" << be_uidt_nl
<< "}";
}
Home_Exec_Op_Attr_Generator::Home_Exec_Op_Attr_Generator (
be_visitor_scope * visitor)
: visitor_ (visitor)
{
}
int
Home_Exec_Op_Attr_Generator::emit (be_interface * /* derived_interface */,
TAO_OutStream * /* os */,
be_interface * base_interface)
{
return visitor_->visit_scope (base_interface);
}
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