1 files changed, 572 insertions, 0 deletions
diff --git a/TAO/TAO_IDL/be/be_visitor_field/field_ch.cpp b/TAO/TAO_IDL/be/be_visitor_field/field_ch.cpp
new file mode 100644
index 00000000000..dbc90dd7d4d
--- /dev/null
+++ b/TAO/TAO_IDL/be/be_visitor_field/field_ch.cpp
@@ -0,0 +1,572 @@
+//
+// $Id$
+//
+
+// ============================================================================
+//
+// = LIBRARY
+//    TAO IDL
+//
+// = FILENAME
+//    field_ch.cpp
+//
+// = DESCRIPTION
+//    Visitor generating code for Field node in the client header
+//
+// = AUTHOR
+//    Aniruddha Gokhale
+//
+// ============================================================================
+
+#include "be_visitor_enum/enum_ch.h"
+#include "be_visitor_sequence/sequence_ch.h"
+#include "nr_extern.h"
+
+ACE_RCSID (be_visitor_field,
+           field_ch,
+           "$Id$")
+
+// **********************************************
+//  Visitor for field in the client header file.
+// **********************************************
+
+be_visitor_field_ch::be_visitor_field_ch (be_visitor_context *ctx)
+  : be_visitor_decl (ctx)
+{
+}
+
+be_visitor_field_ch::~be_visitor_field_ch (void)
+{
+}
+
+int
+be_visitor_field_ch::visit_field (be_field *node)
+{
+  TAO_OutStream *os = this->ctx_->stream ();
+  be_type *bt = be_type::narrow_from_decl (node->field_type ());
+
+  if (!bt)
+    {
+      ACE_ERROR_RETURN ((LM_ERROR,
+                         "(%N:%l) be_visitor_field_ch::"
+                         "visit_field - "
+                         "Bad field type\n"),
+                        -1);
+    }
+
+  this->ctx_->node (node);
+
+  *os << be_nl;
+
+  if (bt->accept (this) == -1)
+    {
+      ACE_ERROR_RETURN ((LM_ERROR,
+                         "(%N:%l) be_visitor_field_ch::"
+                         "visit_field - "
+                         "codegen for field type failed\n"),
+                        -1);
+    }
+
+  // Now output the field name.
+  *os << " " << node->local_name () << ";";
+
+  return 0;
+}
+
+// Visit operations on all possible data types  that a field can be.
+
+int
+be_visitor_field_ch::visit_array (be_array *node)
+{
+  TAO_OutStream *os = this->ctx_->stream ();
+  be_type *bt;
+
+  if (this->ctx_->alias ())
+    {
+      bt = this->ctx_->alias ();
+    }
+  else
+    {
+      bt = node;
+    }
+
+  // If not a typedef and we are defined in the use scope, we must be defined.
+  if (!this->ctx_->alias ()
+      && node->is_child (this->ctx_->scope ()))
+    {
+      // This is the case for anonymous arrays.
+
+      // Instantiate a visitor context with a copy of our context. This info
+      // will be modified based on what type of node we are visiting
+      be_visitor_context ctx (*this->ctx_);
+      ctx.node (node); // set the node to be the node being visited. The scope
+                       // is still the same
+
+      // First generate the array declaration
+      ctx.state (TAO_CodeGen::TAO_ARRAY_CH);
+      be_visitor_array_ch visitor (&ctx);
+
+      if (node->accept (&visitor) == -1)
+        {
+          ACE_ERROR_RETURN ((LM_ERROR,
+                             "(%N:%l) be_visitor_field_ch::"
+                             "visit_array - "
+                             "codegen failed\n"),
+                            -1);
+        }
+
+      ctx.state (TAO_CodeGen::TAO_ROOT_CH);
+
+      // Having defined all array type and its supporting operations, now
+      // generate the actual variable that is a field of the structure.
+      *os << be_nl << be_nl << "_" << bt->local_name ();
+    }
+  else
+    {
+      // This was a typedefed array.
+      // ACE_NESTED_CLASS macro generated by nested_type_name
+      // is necessary if the struct, union, or valuetype containing this
+      // field was not defined inside a module. In such a case, VC++
+      // complains that the non-module scope is not yet fully defined.
+      UTL_Scope *holds_container = this->ctx_->scope ()->defined_in ();
+      AST_Decl *hc_decl = ScopeAsDecl (holds_container);
+
+      if (hc_decl->node_type () != AST_Decl::NT_module)
+        {
+          *os << bt->nested_type_name (this->ctx_->scope ());
+        }
+      else
+        {
+          *os << bt->name ();
+        }
+    }
+
+  return 0;
+}
+
+int
+be_visitor_field_ch::visit_enum (be_enum *node)
+{
+  TAO_OutStream *os = this->ctx_->stream ();
+  be_type *bt;
+
+  if (this->ctx_->alias ())
+    {
+      bt = this->ctx_->alias ();
+    }
+  else
+    {
+      bt = node;
+    }
+
+  // If not a typedef and we are defined in the use scope, we must be defined.
+  if (!this->ctx_->alias () // not a typedef
+      && node->is_child (this->ctx_->scope ()))
+    {
+      // Instantiate a visitor context with a copy of our context. This info
+      // will be modified based on what type of node we are visiting.
+      be_visitor_context ctx (*this->ctx_);
+      ctx.node (node);
+
+      // First generate the enum declaration.
+      be_visitor_enum_ch visitor (&ctx);
+
+      if (node->accept (&visitor) == -1)
+        {
+          ACE_ERROR_RETURN ((LM_ERROR,
+                             "(%N:%l) be_visitor_field_ch::"
+                             "visit_enum - "
+                             "codegen failed\n"),
+                            -1);
+        }
+    }
+
+  // This was a typedefed array.
+  // ACE_NESTED_CLASS macro generated by nested_type_name
+  // is necessary if the struct, union, or valuetype containing this
+  // field was not defined inside a module. In such a case, VC++
+  // complains that the non-module scope is not yet fully defined.
+  UTL_Scope *holds_container = this->ctx_->scope ()->defined_in ();
+  AST_Decl *hc_decl = ScopeAsDecl (holds_container);
+
+  if (hc_decl->node_type () != AST_Decl::NT_module)
+    {
+      *os << bt->nested_type_name (this->ctx_->scope ());
+    }
+  else
+    {
+      *os << bt->name ();
+    }
+
+  return 0;
+}
+
+int
+be_visitor_field_ch::visit_interface (be_interface *node)
+{
+  return this->emit_common (node);
+}
+
+int
+be_visitor_field_ch::visit_interface_fwd (be_interface_fwd *node)
+{
+  return this->emit_common (node);
+}
+
+int
+be_visitor_field_ch::visit_valuebox (be_valuebox *node)
+{
+  return this->emit_common (node);
+}
+
+int
+be_visitor_field_ch::visit_valuetype (be_valuetype *node)
+{
+  return this->emit_common (node);
+}
+
+int
+be_visitor_field_ch::visit_valuetype_fwd (be_valuetype_fwd *node)
+{
+  return this->emit_common (node);
+}
+
+
+int
+be_visitor_field_ch::emit_common (be_type *node)
+{
+  TAO_OutStream *os = this->ctx_->stream ();
+  be_type *bt;
+
+  if (this->ctx_->alias ())
+    {
+      bt = this->ctx_->alias ();
+    }
+  else
+    {
+      bt = node;
+    }
+
+  // ACE_NESTED_CLASS macro generated by nested_type_name
+  // is necessary if the struct, union, or valuetype containing this
+  // field was not defined inside a module. In such a case, VC++
+  // complains that the non-module scope is not yet fully defined.
+  UTL_Scope *holds_container = this->ctx_->scope ()->defined_in ();
+  AST_Decl *hc_decl = ScopeAsDecl (holds_container);
+
+  if (hc_decl->node_type () != AST_Decl::NT_module)
+    {
+      *os << bt->nested_type_name (this->ctx_->scope (), "_var");
+    }
+  else
+    {
+      *os << bt->name () << "_var";
+    }
+
+  return 0;
+}
+
+int
+be_visitor_field_ch::visit_predefined_type (be_predefined_type *node)
+{
+  TAO_OutStream *os = this->ctx_->stream ();
+  be_type *bt;
+  be_typedef *td = this->ctx_->alias ();
+
+  if (td != 0)
+    {
+      bt = td;
+    }
+  else
+    {
+      bt = node;
+    }
+
+  *os << bt->nested_type_name (this->ctx_->scope ());
+
+  switch (node->pt ())
+    {
+      case AST_PredefinedType::PT_object:
+      case AST_PredefinedType::PT_abstract:
+      case AST_PredefinedType::PT_pseudo:
+        *os << "_var";
+        break;
+      case AST_PredefinedType::PT_value:
+        *os << " *";
+        break;
+      default:
+        break;
+    }
+
+  return 0;
+}
+
+int
+be_visitor_field_ch::visit_sequence (be_sequence *node)
+{
+  TAO_OutStream *os = this->ctx_->stream ();
+  be_type *bt;
+
+  if (this->ctx_->alias ())
+    {
+      bt = this->ctx_->alias ();
+    }
+  else
+    {
+      bt = node;
+    }
+
+  if (!this->ctx_->alias ()
+      && node->is_child (this->ctx_->scope ()))
+    {
+      // Put the field node into the (anonymous) sequence node, to be
+      // used later for unique name generation.
+      be_field *member_node =
+        be_field::narrow_from_decl (this->ctx_->node ());
+      node->field_node (member_node);
+
+      // This was already generated in the corresponding valuetype class.
+      if (this->ctx_->state () != TAO_CodeGen::TAO_VALUETYPE_OBV_CH)
+        {
+          be_visitor_context ctx (*this->ctx_);
+          ctx.node (node);
+
+          // First generate the sequence declaration.
+          be_visitor_sequence_ch visitor (&ctx);
+
+          if (node->accept (&visitor) == -1)
+            {
+              ACE_ERROR_RETURN ((LM_ERROR,
+                                "(%N:%l) be_visitor_field_ch::"
+                                "visit_sequence - "
+                                "codegen failed\n"),
+                                -1);
+            }
+        }
+
+      // If we are being reused by valutype, this would get generated
+      // in the private section of the OBV_xx class, so we must
+      // generate the typedef for that case elsewhere.
+      AST_Decl::NodeType snt = this->ctx_->scope ()->node_type ();
+
+      if (snt != AST_Decl::NT_valuetype && snt != AST_Decl::NT_eventtype)
+        {
+          // Generate the anonymous sequence member typedef.
+          be_decl *bs = this->ctx_->scope ();
+
+          *os << be_nl << be_nl << "// TAO_IDL - Generated from" << be_nl
+              << "// " << __FILE__ << ":" << __LINE__ << be_nl << be_nl;
+
+          *os << "typedef " << bt->nested_type_name (bs)
+              << " _" << this->ctx_->node ()->local_name ()
+              << "_seq;" << be_nl;
+        }
+    }
+
+  // ACE_NESTED_CLASS macro generated by nested_type_name
+  // is not necessary in all cases.
+  be_typedef *tdef = be_typedef::narrow_from_decl (bt);
+
+  // This was a typedefed array.
+  // ACE_NESTED_CLASS macro generated by nested_type_name
+  // is necessary if the struct, union, or valuetype containing this
+  // field was not defined inside a module. In such a case, VC++
+  // complains that the non-module scope is not yet fully defined.
+  UTL_Scope *holds_container = this->ctx_->scope ()->defined_in ();
+  AST_Decl *hc_decl = ScopeAsDecl (holds_container);
+
+  if (hc_decl->node_type () != AST_Decl::NT_module
+      || !tdef)
+    {
+      *os << bt->nested_type_name (this->ctx_->scope ());
+    }
+  else
+    {
+      *os << bt->name ();
+    }
+
+  return 0;
+}
+
+int
+be_visitor_field_ch::visit_string (be_string *node)
+{
+  TAO_OutStream *os = this->ctx_->stream ();
+
+  if (node->width () == (long) sizeof (char))
+    {
+      *os << "TAO::String_Manager";
+    }
+  else
+    {
+      *os << "TAO::WString_Manager";
+    }
+
+  return 0;
+}
+
+int
+be_visitor_field_ch::visit_structure (be_structure *node)
+{
+  TAO_OutStream *os = this->ctx_->stream ();
+  be_type *bt;
+
+  if (this->ctx_->alias ())
+    {
+      bt = this->ctx_->alias ();
+    }
+  else
+    {
+      bt = node;
+    }
+
+  if (!this->ctx_->alias () // not a typedef
+      && node->is_child (this->ctx_->scope ()))
+    {
+      be_visitor_context ctx (*this->ctx_);
+      ctx.node (node);
+
+      be_visitor_structure_ch visitor (&ctx);
+
+      if (node->accept (&visitor) == -1)
+        {
+          ACE_ERROR_RETURN ((LM_ERROR,
+                             "(%N:%l) be_visitor_field_ch::"
+                             "visit_struct - "
+                             "codegen failed\n"),
+                            -1);
+        }
+    }
+
+  // This was a typedefed array.
+  // ACE_NESTED_CLASS macro generated by nested_type_name
+  // is necessary if the struct, union, or valuetype containing this
+  // field was not defined inside a module. In such a case, VC++
+  // complains that the non-module scope is not yet fully defined.
+  UTL_Scope *holds_container = this->ctx_->scope ()->defined_in ();
+  AST_Decl *hc_decl = ScopeAsDecl (holds_container);
+
+  if (hc_decl->node_type () != AST_Decl::NT_module)
+    {
+      *os << bt->nested_type_name (this->ctx_->scope ());
+    }
+  else
+    {
+      *os << bt->name ();
+    }
+
+  return 0;
+}
+
+// Visit typedefed type.
+int
+be_visitor_field_ch::visit_typedef (be_typedef *node)
+{
+  this->ctx_->alias (node);
+
+  // Make a decision based on the primitive base type.
+  be_type *bt = node->primitive_base_type ();
+
+  if (!bt || (bt->accept (this) == -1))
+    {
+      ACE_ERROR_RETURN ((LM_ERROR,
+                         "(%N:%l) be_visitor_field_ch::"
+                         "visit_typedef - "
+                         "Bad primitive type\n"),
+                        -1);
+    }
+
+  // Reset the alias.
+  this->ctx_->alias (0);
+  return 0;
+}
+
+// visit union type
+int
+be_visitor_field_ch::visit_union (be_union *node)
+{
+  TAO_OutStream *os = this->ctx_->stream ();
+  be_type *bt;
+
+  if (this->ctx_->alias ())
+    {
+      bt = this->ctx_->alias ();
+    }
+  else
+    {
+      bt = node;
+    }
+
+  if (!this->ctx_->alias ()
+      && node->is_child (this->ctx_->scope ()))
+    {
+      be_visitor_context ctx (*this->ctx_);
+      ctx.node (node);
+
+      be_visitor_union_ch visitor (&ctx);
+
+      if (node->accept (&visitor) == -1)
+        {
+          ACE_ERROR_RETURN ((LM_ERROR,
+                             "(%N:%l) be_visitor_field_ch::"
+                             "visit_union - "
+                             "codegen failed\n"),
+                            -1);
+        }
+    }
+
+  *os << be_nl << be_nl;
+
+  // This was a typedefed array.
+  // ACE_NESTED_CLASS macro generated by nested_type_name
+  // is necessary if the struct, union, or valuetype containing this
+  // field was not defined inside a module. In such a case, VC++
+  // complains that the non-module scope is not yet fully defined.
+  UTL_Scope *holds_container = this->ctx_->scope ()->defined_in ();
+  AST_Decl *hc_decl = ScopeAsDecl (holds_container);
+
+  if (hc_decl->node_type () != AST_Decl::NT_module)
+    {
+      *os << bt->nested_type_name (this->ctx_->scope ());
+    }
+  else
+    {
+      *os << bt->name ();
+    }
+
+  return 0;
+}
+
+int
+be_visitor_field_ch::visit_component (
+    be_component *node
+  )
+{
+  return this->visit_interface (node);
+}
+
+int
+be_visitor_field_ch::visit_component_fwd (
+    be_component_fwd *node
+  )
+{
+  return this->visit_interface_fwd (node);
+}
+
+int
+be_visitor_field_ch::visit_eventtype (
+    be_eventtype *node
+  )
+{
+  return this->visit_valuetype (node);
+}
+
+int
+be_visitor_field_ch::visit_eventtype_fwd (
+    be_eventtype_fwd *node
+  )
+{
+  return this->visit_valuetype_fwd (node);
+}
+
+