1 files changed, 457 insertions, 0 deletions
diff --git a/TAO/TAO_IDL/be/be_visitor_argument/vardecl_ss.cpp b/TAO/TAO_IDL/be/be_visitor_argument/vardecl_ss.cpp
new file mode 100644
index 00000000000..2736db1b783
--- /dev/null
+++ b/TAO/TAO_IDL/be/be_visitor_argument/vardecl_ss.cpp
@@ -0,0 +1,457 @@
+//
+// $Id$
+//
+
+// ============================================================================
+//
+// = LIBRARY
+//    TAO IDL
+//
+// = FILENAME
+//    vardecl_ss.cpp
+//
+// = DESCRIPTION
+//    Visitor that generates the variable declaration in the skeleton
+//    corresponding to the Argument node
+//
+// = AUTHOR
+//    Aniruddha Gokhale
+//
+// ============================================================================
+
+ACE_RCSID (be_visitor_argument, 
+           vardecl_ss, 
+           "$Id$")
+
+
+// ************************************************************************
+// Visitor to generate code for argument variable declaration
+// ************************************************************************
+
+be_visitor_args_vardecl_ss::be_visitor_args_vardecl_ss (
+    be_visitor_context *ctx
+  )
+  : be_visitor_args (ctx)
+{
+}
+
+be_visitor_args_vardecl_ss::~be_visitor_args_vardecl_ss (void)
+{
+}
+
+int be_visitor_args_vardecl_ss::visit_argument (be_argument *node)
+{
+  this->ctx_->node (node);
+  be_type *bt = be_type::narrow_from_decl (node->field_type ());
+
+  if (!bt)
+    {
+      ACE_ERROR_RETURN ((LM_ERROR,
+                         "be_visitor_args_vardecl_ss::"
+                         "visit_argument - "
+                         "Bad argument type\n"),
+                        -1);
+    }
+
+  TAO_OutStream *os = this->ctx_->stream ();
+
+  *os << be_nl;
+
+  // Different types have different mappings when used as in/out or
+  // inout parameters. Let this visitor deal with the type
+  if (bt->accept (this) == -1)
+    {
+      ACE_ERROR_RETURN ((LM_ERROR,
+                         "be_visitor_args_vardecl_ss::"
+                         "visit_argument - "
+                         "cannot accept visitor\n"),
+                        -1);
+    }
+
+  return 0;
+}
+
+int be_visitor_args_vardecl_ss::visit_array (be_array *node)
+{
+  TAO_OutStream *os = this->ctx_->stream ();
+  be_argument *arg = this->ctx_->be_node_as_argument ();
+  be_type *bt;
+
+  if (this->ctx_->alias ())
+    {
+      bt = this->ctx_->alias ();
+    }
+  else
+    {
+      bt = node;
+    }
+    
+  switch (this->direction ())
+    {
+    case AST_Argument::dir_IN:
+    case AST_Argument::dir_INOUT:
+      *os << "::" << bt->name () << " " << arg->local_name () << ";" << be_nl
+          << "::" << bt->name () << "_forany _tao_forany_"
+          << arg->local_name () << " (" << be_idt << be_idt_nl
+          << arg->local_name () << be_uidt_nl
+          << ");" << be_uidt;
+
+      break;
+    case AST_Argument::dir_OUT:
+      if (node->size_type () == be_type::VARIABLE)
+        {
+          *os << "::" << bt->name () << "_var " << arg->local_name ()
+              << ";";
+        }
+      else
+        {
+          *os << bt->name () << " " << arg->local_name ()
+              << ";";
+        }
+
+      break;
+    }
+
+  return 0;
+}
+
+int be_visitor_args_vardecl_ss::visit_enum (be_enum *node)
+{
+  TAO_OutStream *os = this->ctx_->stream ();
+  be_argument *arg = this->ctx_->be_node_as_argument ();
+  be_type *bt;
+
+  if (this->ctx_->alias ())
+    {
+      bt = this->ctx_->alias ();
+    }
+  else
+    {
+      bt = node;
+    }
+
+  switch (this->direction ())
+    {
+    case AST_Argument::dir_IN:
+    case AST_Argument::dir_INOUT:
+    case AST_Argument::dir_OUT:
+      *os << "::" << bt->name () << " " << arg->local_name () << ";";
+
+      break;
+    }
+
+  return 0;
+}
+
+int be_visitor_args_vardecl_ss::visit_interface (be_interface *node)
+{
+  return this->emit_common (node);
+}
+
+int be_visitor_args_vardecl_ss::visit_interface_fwd (be_interface_fwd *node)
+{
+  return this->emit_common (node);
+}
+
+
+int be_visitor_args_vardecl_ss::visit_valuebox (be_valuebox *node)
+{
+  return this->emit_common (node);
+}
+
+int be_visitor_args_vardecl_ss::visit_valuetype (be_valuetype *node)
+{
+  return this->emit_common (node);
+}
+
+int be_visitor_args_vardecl_ss::visit_valuetype_fwd (be_valuetype_fwd *node)
+{
+  return this->emit_common (node);
+}
+
+int be_visitor_args_vardecl_ss::visit_predefined_type (be_predefined_type *node)
+{
+  TAO_OutStream *os = this->ctx_->stream ();
+  be_argument *arg = this->ctx_->be_node_as_argument ();
+  be_type *bt;
+
+  if (this->ctx_->alias ())
+    {
+      bt = this->ctx_->alias ();
+    }
+  else
+    {
+      bt = node;
+    }
+
+  AST_PredefinedType::PredefinedType pt = node->pt ();
+
+  *os << "::" << bt->name ();
+
+  if (pt == AST_PredefinedType::PT_any)
+    {
+      switch (this->direction ())
+        {
+        case AST_Argument::dir_IN:
+        case AST_Argument::dir_INOUT:
+          *os << " ";
+          break;
+        case AST_Argument::dir_OUT:
+          *os << "_var ";
+          break;
+        }
+
+      *os << arg->local_name () << ";";
+    }
+  else if (pt == AST_PredefinedType::PT_pseudo
+           || pt == AST_PredefinedType::PT_object)
+    {
+      *os << "_var " << arg->local_name () << ";";
+    }
+  else
+    {
+      *os << " " << arg->local_name ();
+
+      switch (this->direction ())
+        {
+        case AST_Argument::dir_IN:
+          break;
+
+        // @@@ (JP) This is a hack for VC7, which gets an internal
+        // compiler error if these not initialized.
+        // (02-12-09)
+        case AST_Argument::dir_INOUT:
+        case AST_Argument::dir_OUT:
+          switch (pt)
+            { 
+              case AST_PredefinedType::PT_boolean:
+              case AST_PredefinedType::PT_short:
+              case AST_PredefinedType::PT_long:
+              case AST_PredefinedType::PT_ushort:
+              case AST_PredefinedType::PT_ulong:
+              case AST_PredefinedType::PT_ulonglong:
+              case AST_PredefinedType::PT_float:
+              case AST_PredefinedType::PT_double:
+              case AST_PredefinedType::PT_octet:
+                *os << " = 0";
+                break;
+              case AST_PredefinedType::PT_longlong:
+                *os << " = ACE_CDR_LONGLONG_INITIALIZER";
+                break;
+              case AST_PredefinedType::PT_longdouble:
+                *os << " = ACE_CDR_LONG_DOUBLE_INITIALIZER";
+                break;
+              default:
+                break;
+            }
+
+          break;
+        }
+
+      *os << ";";
+    }
+
+  return 0;
+}
+
+int be_visitor_args_vardecl_ss::visit_sequence (be_sequence *node)
+{
+  TAO_OutStream *os = this->ctx_->stream ();
+  be_argument *arg = this->ctx_->be_node_as_argument ();
+  be_type *bt;
+
+  if (this->ctx_->alias ())
+    {
+      bt = this->ctx_->alias ();
+    }
+  else
+    {
+      bt = node;
+    }
+
+  switch (this->direction ())
+    {
+    case AST_Argument::dir_IN:
+    case AST_Argument::dir_INOUT:
+      *os << "::" << bt->name () << " " << arg->local_name () << ";";
+
+      break;
+    case AST_Argument::dir_OUT:
+      *os << "::" << bt->name () << "_var "
+          << arg->local_name () << ";" << be_nl;
+
+      break;
+    }
+
+  return 0;
+}
+
+int be_visitor_args_vardecl_ss::visit_string (be_string *node)
+{
+  TAO_OutStream *os = this->ctx_->stream ();
+  be_argument *arg = this->ctx_->be_node_as_argument ();
+
+  switch (this->direction ())
+    {
+    case AST_Argument::dir_IN:
+    case AST_Argument::dir_INOUT:
+      if (node->width () == (long) sizeof (char))
+        {
+          *os << "::CORBA::String_var " << arg->local_name () << ";";
+        }
+      else
+        {
+          *os << "::CORBA::WString_var " << arg->local_name () << ";";
+        }
+
+      break;
+    case AST_Argument::dir_OUT:
+      if (node->width () == (long )sizeof (char))
+        {
+          *os << "::CORBA::String_var " << arg->local_name () << ";";
+        }
+      else
+        {
+          *os << "::CORBA::WString_var " << arg->local_name () << ";";
+        }
+
+      break;
+    }
+
+  return 0;
+}
+
+int be_visitor_args_vardecl_ss::visit_structure (be_structure *node)
+{
+  return this->emit_common2 (node);
+}
+
+int be_visitor_args_vardecl_ss::visit_union (be_union *node)
+{
+  return this->emit_common2 (node);
+}
+
+int be_visitor_args_vardecl_ss::visit_typedef (be_typedef *node)
+{
+  this->ctx_->alias (node);
+
+  if (node->primitive_base_type ()->accept (this) == -1)
+    {
+      ACE_ERROR_RETURN ((LM_ERROR,
+                         "be_visitor_args_vardecl_ss::"
+                         "visit_typedef - "
+                         "accept on primitive type failed\n"),
+                        -1);
+    }
+
+  this->ctx_->alias (0);
+  return 0;
+}
+
+int
+be_visitor_args_vardecl_ss::visit_component (
+    be_component *node
+  )
+{
+  return this->visit_interface (node);
+}
+
+int
+be_visitor_args_vardecl_ss::visit_component_fwd (
+    be_component_fwd *node
+  )
+{
+  return this->visit_interface_fwd (node);
+}
+
+int
+be_visitor_args_vardecl_ss::visit_eventtype (
+    be_eventtype *node
+  )
+{
+  return this->visit_valuetype (node);
+}
+
+int
+be_visitor_args_vardecl_ss::visit_eventtype_fwd (
+    be_eventtype_fwd *node
+  )
+{
+  return this->visit_valuetype_fwd (node);
+}
+
+
+int
+be_visitor_args_vardecl_ss::emit_common (be_type *node)
+{
+  TAO_OutStream *os = this->ctx_->stream ();
+  be_argument *arg = this->ctx_->be_node_as_argument ();
+  be_type *bt;
+
+  if (this->ctx_->alias ())
+    {
+      bt = this->ctx_->alias ();
+    }
+  else
+    {
+      bt = node;
+    }
+
+  switch (this->direction ())
+    {
+    case AST_Argument::dir_IN:
+    case AST_Argument::dir_INOUT:
+      *os << "::" << bt->name () << "_var " << arg->local_name () << ";";
+
+      break;
+    case AST_Argument::dir_OUT:
+      *os << "::" << bt->name () << "_var "
+          << arg->local_name () << ";";
+
+      break;
+    }
+
+  return 0;
+}
+
+
+
+int
+be_visitor_args_vardecl_ss::emit_common2 (be_type *node)
+{
+  TAO_OutStream *os = this->ctx_->stream ();
+  be_argument *arg = this->ctx_->be_node_as_argument ();
+  be_type *bt;
+
+  if (this->ctx_->alias ())
+    {
+      bt = this->ctx_->alias ();
+    }
+  else
+    {
+      bt = node;
+    }
+
+  switch (this->direction ())
+    {
+    case AST_Argument::dir_IN:
+    case AST_Argument::dir_INOUT:
+      *os << "::" << bt->name () << " " << arg->local_name () << ";";
+
+      break;
+    case AST_Argument::dir_OUT:
+      if (node->size_type () == be_type::VARIABLE)
+        {
+          *os << "::" << bt->name () << "_var "
+              << arg->local_name () << ";";
+        }
+      else
+        {
+          *os << "::" << bt->name () << " " << arg->local_name () << ";";
+        }
+
+      break;
+    }
+
+  return 0;
+}