diff options
Diffstat (limited to 'TAO/TAO_IDL/be/be_visitor_component_scope.cpp')
| -rw-r--r-- | TAO/TAO_IDL/be/be_visitor_component_scope.cpp | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/TAO/TAO_IDL/be/be_visitor_component_scope.cpp b/TAO/TAO_IDL/be/be_visitor_component_scope.cpp new file mode 100644 index 00000000000..28af75ff4c3 --- /dev/null +++ b/TAO/TAO_IDL/be/be_visitor_component_scope.cpp @@ -0,0 +1,289 @@ +// +// $Id$ +// + +// ============================================================================ +// +// = LIBRARY +// TAO IDL +// +// = FILENAME +// be_visitor_component_scope.cpp +// +// = DESCRIPTION +// Abstract visitor providing ancestor scope visitation. +// +// = AUTHOR +// Jeff Parsons +// +// ============================================================================ + +#include "be_visitor_component_scope.h" +#include "be_visitor_context.h" + +#include "be_mirror_port.h" +#include "be_component.h" +#include "be_provides.h" +#include "be_uses.h" + +#include "be_helper.h" +#include "be_extern.h" + +#include "utl_identifier.h" +#include "nr_extern.h" + +be_visitor_component_scope::be_visitor_component_scope ( + be_visitor_context *ctx) + : be_visitor_scope (ctx), + node_ (0), + os_ (*ctx->stream ()), + export_macro_ (be_global->svnt_export_macro ()), + swapping_ (be_global->gen_component_swapping ()), + static_config_ (be_global->gen_ciao_static_config ()) +{ + /// All existing CIAO examples set the servant export values in the CIDL + /// compiler to equal the IDL compiler's skel export values. Below is a + /// partial effort to decouple them, should be completely decoupled + /// sometime. See comment in codegen.cpp, line 1173. + if (export_macro_ == "") + { + export_macro_ = be_global->skel_export_macro (); + } +} + +be_visitor_component_scope::~be_visitor_component_scope ( + void) +{ +} + +int +be_visitor_component_scope::visit_extended_port ( + be_extended_port *node) +{ + + AST_Decl::NodeType nt = + ScopeAsDecl (node->defined_in ())->node_type (); + + // Store this to prefix to contained provides or uses node name. + if (nt == AST_Decl::NT_component || nt == AST_Decl::NT_connector) + { + this->current_port_name_ = node->local_name ()->get_string (); + } + + return this->visit_porttype_scope (node->port_type ()); +} + +int +be_visitor_component_scope::visit_mirror_port ( + be_mirror_port *node) +{ + AST_Decl::NodeType nt = + ScopeAsDecl (node->defined_in ())->node_type (); + + // Store this to prefix to contained provides or uses node name. + if (nt == AST_Decl::NT_component || nt == AST_Decl::NT_connector) + { + this->current_port_name_ = node->local_name ()->get_string (); + } + + return this->visit_porttype_scope_mirror (node->port_type ()); +} + +int +be_visitor_component_scope::visit_component_scope ( + be_component *node) +{ + if (node == 0) + { + return 0; + } + + if (this->visit_scope (node) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("be_visitor_component_scope") + ACE_TEXT ("::visit_component_scope - ") + ACE_TEXT ("visit_scope() ") + ACE_TEXT ("failed\n")), + -1); + } + + return this->visit_component_scope (node->base_component ()); +} + +int +be_visitor_component_scope::visit_porttype_scope ( + be_porttype *node) +{ + return this->visit_scope (node); +} + +int +be_visitor_component_scope::visit_porttype_scope_mirror (be_porttype *node) +{ + for (UTL_ScopeActiveIterator si (node, UTL_Scope::IK_decls); + !si.is_done (); + si.next ()) + { + be_decl *d = be_decl::narrow_from_decl (si.item ()); + + (void) this->pre_process (d); + + switch (d->node_type ()) + { + case AST_Decl::NT_provides: + { + be_provides *p = + be_provides::narrow_from_decl (d); + + be_uses mirror_node (p->name (), + p->provides_type (), + false); + + if (this->visit_uses (&mirror_node) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("be_visitor_component_scope") + ACE_TEXT ("::visit_porttype_mirror - ") + ACE_TEXT ("visit_uses() failed\n")), + -1); + } + + mirror_node.destroy (); + break; + } + case AST_Decl::NT_uses: + { + be_uses *u = + be_uses::narrow_from_decl (d); + + be_provides mirror_node (u->name (), + u->uses_type ()); + + if (this->visit_provides (&mirror_node) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("be_visitor_component_scope") + ACE_TEXT ("::visit_porttype_mirror - ") + ACE_TEXT ("visit_provides() failed\n")), + -1); + } + + mirror_node.destroy (); + break; + } + default: + return d->accept (this); + } + } + + return 0; +} + +int +be_visitor_component_scope::pre_process (be_decl *node) +{ + AST_Decl::NodeType nt = node->node_type (); + + if (nt == AST_Decl::NT_provides || nt == AST_Decl::NT_uses) + { + AST_Decl *s = ScopeAsDecl (node->defined_in ()); + AST_Decl::NodeType snt = s->node_type (); + + if (snt == AST_Decl::NT_porttype) + { + ACE_CString new_name = current_port_name_; + new_name += '_'; + new_name += node->local_name ()->get_string (); + + Identifier *i = node->name ()->last_component (); + i->replace_string (new_name.c_str ()); + } + } + + return 0; +} + +void +be_visitor_component_scope::gen_svnt_entrypoint_decl (void) +{ + os_ << be_nl << be_nl + << "extern \"C\" " << export_macro_.c_str () + << " ::PortableServer::Servant" << be_nl + << "create_" << node_->flat_name () + << "_Servant (" << be_idt_nl + << "::Components::EnterpriseComponent_ptr p," << be_nl + << "::CIAO::Container_ptr c," << be_nl + << "const char * ins_name);" << be_uidt; +} + +void +be_visitor_component_scope::gen_svnt_entrypoint_defn (void) +{ + ACE_CString sname_str ( + ScopeAsDecl (node_->defined_in ())->full_name ()); + const char *sname = sname_str.c_str (); + const char *lname = node_->local_name (); + const char *global = (sname_str == "" ? "" : "::"); + + os_ << be_nl << be_nl + << "extern \"C\" " << export_macro_.c_str () + << " ::PortableServer::Servant" << be_nl + << "create_" << node_->flat_name () + << "_Servant (" << be_idt_nl + << "::Components::EnterpriseComponent_ptr p," << be_nl + << "::CIAO::Container_ptr c," << be_nl + << "const char * ins_name)" << be_uidt_nl + << "{" << be_idt_nl + << global << sname << "::CCM_" << lname + << "_var x =" << be_idt_nl + << global << sname << "::CCM_" << lname + << "::_narrow (p);" << be_uidt_nl << be_nl + << "if ( ::CORBA::is_nil (x.in ()))" << be_idt_nl + << "{" << be_idt_nl + << "return 0;" << be_uidt_nl + << "}" << be_uidt_nl << be_nl + << "::PortableServer::Servant retval = 0;" << be_nl + << "ACE_NEW_RETURN (retval," << be_nl + << " " << lname << "_Servant (" << be_idt_nl + << " x.in ()," << be_nl + << " ::Components::CCMHome::_nil ()," << be_nl + << " ins_name," << be_nl + << " 0," << be_nl + << " c)," << be_uidt_nl + << " 0);" << be_nl << be_nl + << "return retval;" << be_uidt_nl + << "}"; +} + +void +be_visitor_component_scope::gen_exec_entrypoint_decl (void) +{ + os_ << be_nl << be_nl + << "extern \"C\" " << export_macro_.c_str () + << " ::Components::EnterpriseComponent_ptr" << be_nl + << "create_" << node_->flat_name () + << "_Impl (void);"; +} + +void +be_visitor_component_scope::gen_exec_entrypoint_defn (void) +{ + os_ << be_nl << be_nl + << "extern \"C\" " << export_macro_.c_str () + << " ::Components::EnterpriseComponent_ptr" << be_nl + << "create_" << node_->flat_name () + << "_Impl (void)" << be_nl + << "{" << be_idt_nl + << "::Components::EnterpriseComponent_ptr retval =" + << be_idt_nl + << "::Components::EnterpriseComponent::_nil ();" + << be_uidt_nl << be_nl + << "ACE_NEW_NORETURN (" << be_idt_nl + << "retval," << be_nl + << node_->local_name () << "_exec_i);" + << be_uidt_nl << be_nl + << "return retval;" << be_uidt_nl + << "}"; +} + |